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Articles 1 - 30 of 175
Full-Text Articles in Medicine and Health Sciences
A Preliminary Report On The Role Of Lipoxin A4 In Reinstating The Blood-Brain Barrier Integrity In A Rodent Model Of Acute Inflammation With Impaired Cerebrovasculature, Minjal Patel, Shruti Varshney, Ananya Nethikunta, George G. Godsey, Mary C. Kosciuk, Ana Rodriguez, Bernd Spur, Kingsley Yin, Randel L. Swanson, Venkat Venkataraman, Robert G. Nagele, Nimish Acharya
A Preliminary Report On The Role Of Lipoxin A4 In Reinstating The Blood-Brain Barrier Integrity In A Rodent Model Of Acute Inflammation With Impaired Cerebrovasculature, Minjal Patel, Shruti Varshney, Ananya Nethikunta, George G. Godsey, Mary C. Kosciuk, Ana Rodriguez, Bernd Spur, Kingsley Yin, Randel L. Swanson, Venkat Venkataraman, Robert G. Nagele, Nimish Acharya
Rowan-Virtua Research Day
Background: The blood-brain barrier (BBB) is responsible for maintaining brain homeostasis and ultimately proper neuronal function. Disruption of the BBB, leading to increased BBB permeability, has been reported in several neurodegenerative diseases, including Alzheimer’s disease (AD) and traumatic brain injury (TBI). Lipoxins (LXs) are a class of arachidonate-derived eicosanoids, which are a class of specialized pro-resolving lipid mediators (SPMs). SPMs are known to inhibit immune response through inhibition of cellular infiltration, downregulation of pro-inflammatory mediators and upregulation of anti-inflammatory mediators. Hence, LXs are recognized as “breaking signals” in the inflammatory process. One form of LXs, Lipoxin A4 (LXA4) …
Combined Effects Of Exercise And Immuno-Chemotherapy Treatments On Tumor Growth In Mc38 Colorectal Cancer-Bearing Mice., Manon Gouez, Amélie Rébillard, Amandine Thomas, Sabine Beaumel, Eva-Laure Matera, Etienne Gouraud, Luz Orfila, Brice Martin, Olivia Pérol, Cédric Chaveroux, Erica N. Chirico, Charles Dumontet, Béatrice Fervers, Vincent Pialoux
Combined Effects Of Exercise And Immuno-Chemotherapy Treatments On Tumor Growth In Mc38 Colorectal Cancer-Bearing Mice., Manon Gouez, Amélie Rébillard, Amandine Thomas, Sabine Beaumel, Eva-Laure Matera, Etienne Gouraud, Luz Orfila, Brice Martin, Olivia Pérol, Cédric Chaveroux, Erica N. Chirico, Charles Dumontet, Béatrice Fervers, Vincent Pialoux
Cooper Medical School of Rowan University Faculty Scholarship
Acute exercise induces transient modifications in the tumor microenvironment and has been linked to reduced tumor growth along with increased infiltration of immune cells within the tumor in mouse models. In this study, we aimed to evaluate the impact of acute exercise before treatment administration on tumor growth in a mice model of MC38 colorectal cancer receiving an immune checkpoint inhibitor (ICI) and chemotherapy. Six-week-old mice injected with colorectal cancer cells (MC38) were randomized in 4 groups: control (CTRL), immuno-chemotherapy (TRT), exercise (EXE) and combined intervention (TRT/EXE). Both TRT and TRT-EXE received ICI: anti-PD1-1 (1 injection/week) and capecitabine + oxaliplatin …
Investigating Clot-Flow Interactions By Integrating Intravital Imaging With In Silico Modeling For Analysis Of Flow, Transport, And Hemodynamic Forces, Chayut Teeraratkul, Maurizio Tomaiuolo, Timothy Stalker, Debanjan Mukherjee
Investigating Clot-Flow Interactions By Integrating Intravital Imaging With In Silico Modeling For Analysis Of Flow, Transport, And Hemodynamic Forces, Chayut Teeraratkul, Maurizio Tomaiuolo, Timothy Stalker, Debanjan Mukherjee
Cardeza Foundation for Hematologic Research
As a blood clot forms, grows, deforms, and embolizes following a vascular injury, local clot-flow interactions lead to a highly dynamic flow environment. The local flow influences transport of biochemical species relevant for clotting, and determines the forces on the clot that in turn lead to clot deformation and embolization. Despite this central role, quantitative characterization of this dynamic clot-flow interaction and flow environment in the clot neighborhood remains a major challenge. Here, we propose an approach that integrates dynamic intravital imaging with computer geometric modeling and computational flow and transport modeling to develop a unified in silico framework to …
Xtx101, A Tumor-Activated, Fc-Enhanced Anti-Ctla-4 Monoclonal Antibody, Demonstrates Tumor-Growth Inhibition And Tumor-Selective Pharmacodynamics In Mouse Models Of Cancer, Kurt A. Jenkins, Miso Park, Magali Pederzoli-Ribeil, Ugur Eskiocak, Parker Johnson, Wilson Guzman, Megan Mclaughlin, Deborah Moore-Lai, Caitlin O'Toole, Zhen Liu, Benjamin Nicholson, Veronica Flesch, Huawei Qiu, Tim Clackson, Ronan C. O'Hagan, Ulrich Rodeck, Margaret Karow, Jennifer O'Neil, John C. Williams
Xtx101, A Tumor-Activated, Fc-Enhanced Anti-Ctla-4 Monoclonal Antibody, Demonstrates Tumor-Growth Inhibition And Tumor-Selective Pharmacodynamics In Mouse Models Of Cancer, Kurt A. Jenkins, Miso Park, Magali Pederzoli-Ribeil, Ugur Eskiocak, Parker Johnson, Wilson Guzman, Megan Mclaughlin, Deborah Moore-Lai, Caitlin O'Toole, Zhen Liu, Benjamin Nicholson, Veronica Flesch, Huawei Qiu, Tim Clackson, Ronan C. O'Hagan, Ulrich Rodeck, Margaret Karow, Jennifer O'Neil, John C. Williams
Department of Dermatology and Cutaneous Biology Faculty Papers
INTRODUCTION: The clinical benefit of the anti-CTLA-4 monoclonal antibody (mAb) ipilimumab has been well established but limited by immune-related adverse events, especially when ipilimumab is used in combination with anti-PD-(L)1 mAb therapy. To overcome these limitations, we have developed XTX101, a tumor-activated, Fc-enhanced anti-CTLA-4 mAb.
METHODS: XTX101 consists of an anti-human CTLA-4 mAb covalently linked to masking peptides that block the complementarity-determining regions, thereby minimizing the mAb binding to CTLA-4. The masking peptides are designed to be released by proteases that are typically dysregulated within the tumor microenvironment (TME), resulting in activation of XTX101 intratumorally. Mutations within the Fc region …
A Genomically And Clinically Annotated Patient-Derived Xenograft Resource For Preclinical Research In Non-Small Cell Lung Cancer., Xing Yi Woo, Anuj Srivastava, Philip C Mack, Joel H. Graber, Brian J Sanderson, Michael W Lloyd, Mandy Chen, Sergii Domanskyi, Regina Gandour-Edwards, Rebekah A Tsai, James G. Keck, Mingshan Cheng, Margaret Bundy, Emily L Jocoy, Jonathan W Riess, William Holland, Stephen C. Grubb, James G Peterson, Grace Stafford, Carolyn Paisie, Steven Neuhauser, Radha Krishna Murthy Karuturi, Joshy George, Allen K. Simons, Margaret Chavaree, Clifford G Tepper, Neal Goodwin, Susan Airhart, Primo N Lara, Thomas H Openshaw, Edison Liu, David R Gandara, Carol J Bult
A Genomically And Clinically Annotated Patient-Derived Xenograft Resource For Preclinical Research In Non-Small Cell Lung Cancer., Xing Yi Woo, Anuj Srivastava, Philip C Mack, Joel H. Graber, Brian J Sanderson, Michael W Lloyd, Mandy Chen, Sergii Domanskyi, Regina Gandour-Edwards, Rebekah A Tsai, James G. Keck, Mingshan Cheng, Margaret Bundy, Emily L Jocoy, Jonathan W Riess, William Holland, Stephen C. Grubb, James G Peterson, Grace Stafford, Carolyn Paisie, Steven Neuhauser, Radha Krishna Murthy Karuturi, Joshy George, Allen K. Simons, Margaret Chavaree, Clifford G Tepper, Neal Goodwin, Susan Airhart, Primo N Lara, Thomas H Openshaw, Edison Liu, David R Gandara, Carol J Bult
Faculty Research 2022
UNLABELLED: Patient-derived xenograft (PDX) models are an effective preclinical in vivo platform for testing the efficacy of novel drugs and drug combinations for cancer therapeutics. Here we describe a repository of 79 genomically and clinically annotated lung cancer PDXs available from The Jackson Laboratory that have been extensively characterized for histopathologic features, mutational profiles, gene expression, and copy-number aberrations. Most of the PDXs are models of non-small cell lung cancer (NSCLC), including 37 lung adenocarcinoma (LUAD) and 33 lung squamous cell carcinoma (LUSC) models. Other lung cancer models in the repository include four small cell carcinomas, two large cell neuroendocrine …
Functional Assessment Of Missense Variants In The Abcc6 Gene Implicated In Pseudoxanthoma Elasticum, A Heritable Ectopic Mineralization Disorder., Luke Kowal, Jianhe Huang, Hongbin Luo, Jagmohan Singh, Adam E Snook, Jouni Uitto, Qiaoli Li
Functional Assessment Of Missense Variants In The Abcc6 Gene Implicated In Pseudoxanthoma Elasticum, A Heritable Ectopic Mineralization Disorder., Luke Kowal, Jianhe Huang, Hongbin Luo, Jagmohan Singh, Adam E Snook, Jouni Uitto, Qiaoli Li
Department of Pharmacology and Experimental Therapeutics Faculty Papers
Pseudoxanthoma elasticum, a heritable multisystem ectopic mineralization disorder, is caused by inactivating mutations in the ABCC6 gene. The encoded protein, ABCC6, a transmembrane transporter, has a specialized efflux function in hepatocytes by contributing to plasma levels of inorganic pyrophosphate, a potent inhibitor of mineralization in soft connective tissues. Reduced plasma inorganic pyrophosphate levels underlie the ectopic mineralization in pseudoxanthoma elasticum. In this study, we characterized the pathogenicity of three human ABCC6 missense variants using an adenovirus-mediated liver-specific ABCC6 transgene expression system in an Abcc6
Mir-103-3p Promotes Hepatic Steatosis To Aggravate Nonalcoholic Fatty Liver Disease By Targeting Of Acox1, Jiexia Ding, Caixia Xia, Panpan Cen, Siying Li, Lifei Yu, Jing Zhu, Jie Jin
Mir-103-3p Promotes Hepatic Steatosis To Aggravate Nonalcoholic Fatty Liver Disease By Targeting Of Acox1, Jiexia Ding, Caixia Xia, Panpan Cen, Siying Li, Lifei Yu, Jing Zhu, Jie Jin
Journal Articles
BACKGROUND: Nonalcoholic fatty liver disease (NAFLD) is a major risk factor for hepatocellular carcinoma, and alterations in miRNA expression are related to the development of NAFLD. However, the role of miRNAs in regulating the development of NAFLD is still poorly understood.
METHODS: We used qRT-PCR to detect the level of miR-103-3p in both cell and mouse models of NAFLD. Biochemical assays, DCF-DA assays, Oil red O staining and HE staining were used to detect the role of miR-103-3p in NAFLD development. Target genes of miR-103-3p were predicted using the TargetScan database and verified by qRT-PCR, western blot and dual-luciferase assays. …
Novel App Knock-In Mouse Model Shows Key Features Of Amyloid Pathology And Reveals Profound Metabolic Dysregulation Of Microglia., Dan Xia, Steve Lianoglou, Thomas Sandmann, Meredith Calvert, Jung H Suh, Elliot Thomsen, Jason Dugas, Michelle E Pizzo, Sarah L Devos, Timothy K Earr, Chia-Ching Lin, Sonnet Davis, Connie Ha, Amy Wing-Sze Leung, Hoang Nguyen, Roni Chau, Ernie Yulyaningsih, Isabel Lopez, Hilda Solanoy, Shababa T Masoud, Chun-Chi Liang, Karin Lin, Giuseppe Astarita, Nathalie Khoury, Joy Yu Zuchero, Robert G Thorne, Kevin Shen, Stephanie Miller, Jorge J Palop, Dylan Garceau, Michael Sasner, Jennifer D Whitesell, Julie A Harris, Selina Hummel, Johannes Gnörich, Karin Wind, Lea Kunze, Artem Zatcepin, Matthias Brendel, Michael Willem, Christian Haass, Daniel Barnett, Till S Zimmer, Anna G Orr, Kimberly Scearce-Levie, Joseph W Lewcock, Gilbert Di Paolo, Pascal E Sanchez
Novel App Knock-In Mouse Model Shows Key Features Of Amyloid Pathology And Reveals Profound Metabolic Dysregulation Of Microglia., Dan Xia, Steve Lianoglou, Thomas Sandmann, Meredith Calvert, Jung H Suh, Elliot Thomsen, Jason Dugas, Michelle E Pizzo, Sarah L Devos, Timothy K Earr, Chia-Ching Lin, Sonnet Davis, Connie Ha, Amy Wing-Sze Leung, Hoang Nguyen, Roni Chau, Ernie Yulyaningsih, Isabel Lopez, Hilda Solanoy, Shababa T Masoud, Chun-Chi Liang, Karin Lin, Giuseppe Astarita, Nathalie Khoury, Joy Yu Zuchero, Robert G Thorne, Kevin Shen, Stephanie Miller, Jorge J Palop, Dylan Garceau, Michael Sasner, Jennifer D Whitesell, Julie A Harris, Selina Hummel, Johannes Gnörich, Karin Wind, Lea Kunze, Artem Zatcepin, Matthias Brendel, Michael Willem, Christian Haass, Daniel Barnett, Till S Zimmer, Anna G Orr, Kimberly Scearce-Levie, Joseph W Lewcock, Gilbert Di Paolo, Pascal E Sanchez
Faculty Research 2022
BACKGROUND: Genetic mutations underlying familial Alzheimer's disease (AD) were identified decades ago, but the field is still in search of transformative therapies for patients. While mouse models based on overexpression of mutated transgenes have yielded key insights in mechanisms of disease, those models are subject to artifacts, including random genetic integration of the transgene, ectopic expression and non-physiological protein levels. The genetic engineering of novel mouse models using knock-in approaches addresses some of those limitations. With mounting evidence of the role played by microglia in AD, high-dimensional approaches to phenotype microglia in those models are critical to refine our understanding …
Identification Of Arhgef12 And Prkci As Genetic Modifiers Of Retinal Dysplasia In The Crb1rd8 Mouse Model., Sonia M Weatherly, Gayle B. Collin, Jeremy R. Charette, Lisa Stone, Nattaya Damkham, Lillian F Hyde, James G Peterson, Wanda L. Hicks, Gregory W. Carter, Juergen K. Naggert, Mark P. Krebs, Patsy M. Nishina
Identification Of Arhgef12 And Prkci As Genetic Modifiers Of Retinal Dysplasia In The Crb1rd8 Mouse Model., Sonia M Weatherly, Gayle B. Collin, Jeremy R. Charette, Lisa Stone, Nattaya Damkham, Lillian F Hyde, James G Peterson, Wanda L. Hicks, Gregory W. Carter, Juergen K. Naggert, Mark P. Krebs, Patsy M. Nishina
Faculty Research 2022
Mutations in the apicobasal polarity gene CRB1 lead to diverse retinal diseases, such as Leber congenital amaurosis, cone-rod dystrophy, retinitis pigmentosa (with and without Coats-like vasculopathy), foveal retinoschisis, macular dystrophy, and pigmented paravenous chorioretinal atrophy. Limited correlation between disease phenotypes and CRB1 alleles, and evidence that patients sharing the same alleles often present with different disease features, suggest that genetic modifiers contribute to clinical variation. Similarly, the retinal phenotype of mice bearing the Crb1 retinal degeneration 8 (rd8) allele varies with genetic background. Here, we initiated a sensitized chemical mutagenesis screen in B6.Cg-Crb1rd8/Pjn, a strain with a mild clinical presentation, …
Transcriptional Control Of Retinal Ganglion Cell Death After Axonal Injury., Stephanie B Syc-Mazurek, Hongtian Stanley Yang, Olivia J Marola, Gareth R Howell, Richard T Libby
Transcriptional Control Of Retinal Ganglion Cell Death After Axonal Injury., Stephanie B Syc-Mazurek, Hongtian Stanley Yang, Olivia J Marola, Gareth R Howell, Richard T Libby
Faculty Research 2022
Injury to the axons of retinal ganglion cells (RGCs) is a key pathological event in glaucomatous neurodegeneration. The transcription factors JUN (the target of the c-Jun N-terminal kinases, JNKs) and DDIT3/CHOP (a mediator of the endoplasmic reticulum stress response) have been shown to control the majority of proapoptotic signaling after mechanical axonal injury in RGCs and in other models of neurodegeneration. The downstream transcriptional networks controlled by JUN and DDIT3, which are critical for RGC death, however, are not well defined. To determine these networks, RNA was isolated from the retinas of wild-type mice and mice deficient in Jun, Ddit3, …
Consensus Recommendation For Mouse Models Of Ocular Hypertension To Study Aqueous Humor Outflow And Its Mechanisms., Colleen M Mcdowell, Krishnakumar Kizhatil, Michael H Elliott, Darryl R Overby, Joseph Van Batenburg-Sherwood, J Cameron Millar, Markus H Kuehn, Gulab Zode, Ted S Acott, Michael G Anderson, Sanjoy K Bhattacharya, Jacques A Bertrand, Terete Borras, Diane E Bovenkamp, Lin Cheng, John Danias, Michael Lucio De Ieso, Yiqin Du, Jennifer A Faralli, Rudolf Fuchshofer, Preethi S Ganapathy, Haiyan Gong, Samuel Herberg, Humberto Hernandez, Peter Humphries, Simon W M John, Paul L Kaufman, Kate E Keller, Mary J Kelley, Ruth A Kelly, David Krizaj, Ajay Kumar, Brian C Leonard, Raquel L Lieberman, Paloma Liton, Yutao Liu, Katy C Liu, Navita N Lopez, Weiming Mao, Timur Mavlyutov, Fiona Mcdonnell, Gillian J Mclellan, Philip Mzyk, Andrews Nartey, Louis R Pasquale, Gaurang C Patel, Padmanabhan P Pattabiraman, Donna M Peters, Vijaykrishna Raghunathan, Ponugoti Vasantha Rao, Naga Rayana, Urmimala Raychaudhuri, Ester Reina-Torres, Ruiyi Ren, Douglas Rhee, Uttio Roy Chowdhury, John R Samples, E Griffen Samples, Najam Sharif, Joel S Schuman, Val C Sheffield, Cooper H Stevenson, Avinash Soundararajan, Preeti Subramanian, Chenna Kesavulu Sugali, Yang Sun, Carol B Toris, Karen Y Torrejon, Amir Vahabikashi, Janice A Vranka, Ting Wang, Colin E Willoughby, Chen Xin, Hongmin Yun, Hao F Zhang, Michael P Fautsch, Ernst R Tamm, Abbot F Clark, C Ross Ethier, W Daniel Stamer
Consensus Recommendation For Mouse Models Of Ocular Hypertension To Study Aqueous Humor Outflow And Its Mechanisms., Colleen M Mcdowell, Krishnakumar Kizhatil, Michael H Elliott, Darryl R Overby, Joseph Van Batenburg-Sherwood, J Cameron Millar, Markus H Kuehn, Gulab Zode, Ted S Acott, Michael G Anderson, Sanjoy K Bhattacharya, Jacques A Bertrand, Terete Borras, Diane E Bovenkamp, Lin Cheng, John Danias, Michael Lucio De Ieso, Yiqin Du, Jennifer A Faralli, Rudolf Fuchshofer, Preethi S Ganapathy, Haiyan Gong, Samuel Herberg, Humberto Hernandez, Peter Humphries, Simon W M John, Paul L Kaufman, Kate E Keller, Mary J Kelley, Ruth A Kelly, David Krizaj, Ajay Kumar, Brian C Leonard, Raquel L Lieberman, Paloma Liton, Yutao Liu, Katy C Liu, Navita N Lopez, Weiming Mao, Timur Mavlyutov, Fiona Mcdonnell, Gillian J Mclellan, Philip Mzyk, Andrews Nartey, Louis R Pasquale, Gaurang C Patel, Padmanabhan P Pattabiraman, Donna M Peters, Vijaykrishna Raghunathan, Ponugoti Vasantha Rao, Naga Rayana, Urmimala Raychaudhuri, Ester Reina-Torres, Ruiyi Ren, Douglas Rhee, Uttio Roy Chowdhury, John R Samples, E Griffen Samples, Najam Sharif, Joel S Schuman, Val C Sheffield, Cooper H Stevenson, Avinash Soundararajan, Preeti Subramanian, Chenna Kesavulu Sugali, Yang Sun, Carol B Toris, Karen Y Torrejon, Amir Vahabikashi, Janice A Vranka, Ting Wang, Colin E Willoughby, Chen Xin, Hongmin Yun, Hao F Zhang, Michael P Fautsch, Ernst R Tamm, Abbot F Clark, C Ross Ethier, W Daniel Stamer
Faculty Research 2022
Due to their similarities in anatomy, physiology, and pharmacology to humans, mice are a valuable model system to study the generation and mechanisms modulating conventional outflow resistance and thus intraocular pressure. In addition, mouse models are critical for understanding the complex nature of conventional outflow homeostasis and dysfunction that results in ocular hypertension. In this review, we describe a set of minimum acceptable standards for developing, characterizing, and utilizing mouse models of open-angle ocular hypertension. We expect that this set of standard practices will increase scientific rigor when using mouse models and will better enable researchers to replicate and build …
Genetic Interaction Between Mfrp And Adipor1 Mutations Affect Retinal Disease Phenotypes, Navdeep Gogna, Sonia Weatherly, Fuxin Zhao, Gayle B. Collin, Jai Pinkney, Lisa Stone, Juergen K. Naggert, Gregory W. Carter, Patsy M. Nishina
Genetic Interaction Between Mfrp And Adipor1 Mutations Affect Retinal Disease Phenotypes, Navdeep Gogna, Sonia Weatherly, Fuxin Zhao, Gayle B. Collin, Jai Pinkney, Lisa Stone, Juergen K. Naggert, Gregory W. Carter, Patsy M. Nishina
Faculty Research 2022
Adipor1tm1Dgen and Mfrprd6 mutant mice share similar eye disease characteristics. Previously, studies established a functional relationship of ADIPOR1 and MFRP proteins in maintaining retinal lipidome homeostasis and visual function. However, the independent and/or interactive contribution of both genes to similar disease phenotypes, including fundus spots, decreased axial length, and photoreceptor degeneration has yet to be examined. We performed a gene-interaction study where homozygous Adipor1tm1Dgen and Mfrprd6 mice were bred together and the resulting doubly heterozygous F1 offspring were intercrossed to produce 210 F2 progeny. Four-month-old mice from all nine genotypic combinations obtained in the F2 generation …
Generation And Application Of Inducible Chimeric Rna, Yichen Luo, Liang Du, Zhimeng Yao, Fan Liu, Kai Li, Feifei Li, Jianlin Zhu, Robert P Coppes, Dianzheng Zhang, Yunlong Pan, Shegan Gao, Hao Zhang
Generation And Application Of Inducible Chimeric Rna, Yichen Luo, Liang Du, Zhimeng Yao, Fan Liu, Kai Li, Feifei Li, Jianlin Zhu, Robert P Coppes, Dianzheng Zhang, Yunlong Pan, Shegan Gao, Hao Zhang
PCOM Scholarly Papers
Chimeric RNAs (chiRNAs) play many previously unrecognized roles in different diseases including cancer. They can not only be used as biomarkers for diagnosis and prognosis of various diseases but also serve as potential therapeutic targets. In order to better understand the roles of chiRNAs in pathogenesis, we inserted human sequences into mouse genome and established a knockin mouse model of the tamoxifen-inducible expression of ASTN2-PAPPA antisense chimeric RNA (A-PaschiRNA). Mice carrying the A-PaschiRNA knockin gene do not display any apparent abnormalities in growth, fertility, histological, hematopoietic, and biochemical indices. Using this model, we dissected the role of …
An Artifact In Intracellular Cytokine Staining For Studying T Cell Responses And Its Alleviation., Zheng Gong, Qing Li, Jiayuan Shi, Guangwen Ren
An Artifact In Intracellular Cytokine Staining For Studying T Cell Responses And Its Alleviation., Zheng Gong, Qing Li, Jiayuan Shi, Guangwen Ren
Faculty Research 2022
Intracellular cytokine staining (ICS) is a widely employed ex vivo method for quantitative determination of the activation status of immune cells, most often applied to T cells. ICS test samples are commonly prepared from animal or human tissues as unpurified cell mixtures, and cell-specific cytokine signals are subsequently discriminated by gating strategies using flow cytometry. Here, we show that when ICS samples contain Ly6G+ neutrophils, neutrophils are ex vivo activated by an ICS reagent - phorbol myristate acetate (PMA) - which leads to hydrogen peroxide (H2O2) release and death of cytokine-expressing T cells. This artifact …
Differential Progression Of Unhealthy Diet-Induced Hepatocellular Carcinoma In Obese And Non-Obese Mice, Emma Hymel, Elizabeth M. Vlock, Kurt W. Fisher, Paraskevi A. Farazi
Differential Progression Of Unhealthy Diet-Induced Hepatocellular Carcinoma In Obese And Non-Obese Mice, Emma Hymel, Elizabeth M. Vlock, Kurt W. Fisher, Paraskevi A. Farazi
Journal Articles: Epidemiology
BACKGROUND: Non-alcoholic fatty liver disease (NAFLD) ranks first among liver diseases in Western countries. NAFLD is typically associated with obesity and diabetes, however it also develops in lean individuals without metabolic syndrome. The prevalence of lean NAFLD is 7 percent in the U.S. and 25-30 percent in some Asian countries. NAFLD starts with excess liver fat accumulation (NAFL), progresses to nonalcoholic steatohepatitis (NASH), cirrhosis and hepatocellular carcinoma (HCC). The pathogenesis of lean NASH-HCC and how it differs from obese NASH-HCC is not well understood.
METHODS: In this work, we generated a mouse model of lean and obese NASH-HCC using a …
Comprehensive Characterization Of 536 Patient-Derived Xenograft Models Prioritizes Candidatesfor Targeted Treatment., Hua Sun, Song Cao, R Jay Mashl, Chia-Kuei Mo, Simone Zaccaria, Michael C Wendl, Sherri R Davies, Matthew H Bailey, Tina M Primeau, Jeremy Hoog, Jacqueline L Mudd, Dennis A Dean, Rajesh Patidar, Li Chen, Matthew A Wyczalkowski, Reyka G Jayasinghe, Fernanda Martins Rodrigues, Nadezhda V Terekhanova, Yize Li, Kian-Huat Lim, Andrea Wang-Gillam, Brian A Van Tine, Cynthia X Ma, Rebecca Aft, Katherine C Fuh, Julie K Schwarz, Jose P Zevallos, Sidharth V Puram, John F Dipersio, Nci Pdxnet Consortium, Brandi Davis-Dusenbery, Matthew J Ellis, Michael T Lewis, Michael A Davies, Meenhard Herlyn, Bingliang Fang, Jack A Roth, Alana L Welm, Bryan E Welm, Funda Meric-Bernstam, Feng Chen, Ryan C Fields, Shunqiang Li, Ramaswamy Govindan, James H Doroshow, Jeffrey A Moscow, Yvonne A Evrard, Jeffrey Chuang, Benjamin J Raphael, Li Ding, Carol J Bult, Peter N Robinson
Comprehensive Characterization Of 536 Patient-Derived Xenograft Models Prioritizes Candidatesfor Targeted Treatment., Hua Sun, Song Cao, R Jay Mashl, Chia-Kuei Mo, Simone Zaccaria, Michael C Wendl, Sherri R Davies, Matthew H Bailey, Tina M Primeau, Jeremy Hoog, Jacqueline L Mudd, Dennis A Dean, Rajesh Patidar, Li Chen, Matthew A Wyczalkowski, Reyka G Jayasinghe, Fernanda Martins Rodrigues, Nadezhda V Terekhanova, Yize Li, Kian-Huat Lim, Andrea Wang-Gillam, Brian A Van Tine, Cynthia X Ma, Rebecca Aft, Katherine C Fuh, Julie K Schwarz, Jose P Zevallos, Sidharth V Puram, John F Dipersio, Nci Pdxnet Consortium, Brandi Davis-Dusenbery, Matthew J Ellis, Michael T Lewis, Michael A Davies, Meenhard Herlyn, Bingliang Fang, Jack A Roth, Alana L Welm, Bryan E Welm, Funda Meric-Bernstam, Feng Chen, Ryan C Fields, Shunqiang Li, Ramaswamy Govindan, James H Doroshow, Jeffrey A Moscow, Yvonne A Evrard, Jeffrey Chuang, Benjamin J Raphael, Li Ding, Carol J Bult, Peter N Robinson
Faculty Research 2021
Development of candidate cancer treatments is a resource-intensive process, with the research community continuing to investigate options beyond static genomic characterization. Toward this goal, we have established the genomic landscapes of 536 patient-derived xenograft (PDX) models across 25 cancer types, together with mutation, copy number, fusion, transcriptomic profiles, and NCI-MATCH arms. Compared with human tumors, PDXs typically have higher purity and fit to investigate dynamic driver events and molecular properties via multiple time points from same case PDXs. Here, we report on dynamic genomic landscapes and pharmacogenomic associations, including associations between activating oncogenic events and drugs, correlations between whole-genome duplications …
Glis1 Regulates Trabecular Meshwork Function And Intraocular Pressure And Is Associated With Glaucoma In Humans., K Saidas Nair, Chitrangda Srivastava, Robert V Brown, Swanand Koli, Hélène Choquet, Hong Soon Kang, Yien-Ming Kuo, Sara A Grimm, Caleb Sutherland, Alexandra Badea, G Allan Johnson, Yin Zhao, Jie Yin, Kyoko Okamoto, Graham Clark, Terete Borrás, Gulab Zode, Krishnakumar Kizhatil, Subhabrata Chakrabarti, Simon W M John, Eric Jorgenson, Anton M Jetten
Glis1 Regulates Trabecular Meshwork Function And Intraocular Pressure And Is Associated With Glaucoma In Humans., K Saidas Nair, Chitrangda Srivastava, Robert V Brown, Swanand Koli, Hélène Choquet, Hong Soon Kang, Yien-Ming Kuo, Sara A Grimm, Caleb Sutherland, Alexandra Badea, G Allan Johnson, Yin Zhao, Jie Yin, Kyoko Okamoto, Graham Clark, Terete Borrás, Gulab Zode, Krishnakumar Kizhatil, Subhabrata Chakrabarti, Simon W M John, Eric Jorgenson, Anton M Jetten
Faculty Research 2021
Chronically elevated intraocular pressure (IOP) is the major risk factor of primary open-angle glaucoma, a leading cause of blindness. Dysfunction of the trabecular meshwork (TM), which controls the outflow of aqueous humor (AqH) from the anterior chamber, is the major cause of elevated IOP. Here, we demonstrate that mice deficient in the Krüppel-like zinc finger transcriptional factor GLI-similar-1 (GLIS1) develop chronically elevated IOP. Magnetic resonance imaging and histopathological analysis reveal that deficiency in GLIS1 expression induces progressive degeneration of the TM, leading to inefficient AqH drainage from the anterior chamber and elevated IOP. Transcriptome and cistrome analyses identified several glaucoma- …
Endometrial Receptivity And Implantation Require Uterine Bmp Signaling Through An Acvr2a-Smad1/Smad5 Axis., Diana Monsivais, Takashi Nagashima, Renata Prunskaite-Hyyryläinen, Kaori Nozawa, Keisuke Shimada, Suni Tang, Clark Hamor, Julio E Agno, Fengju Chen, Ramya P Masand, Steven L Young, Chad J Creighton, Francesco J Demayo, Masahito Ikawa, Se-Jin Lee, Martin M Matzuk
Endometrial Receptivity And Implantation Require Uterine Bmp Signaling Through An Acvr2a-Smad1/Smad5 Axis., Diana Monsivais, Takashi Nagashima, Renata Prunskaite-Hyyryläinen, Kaori Nozawa, Keisuke Shimada, Suni Tang, Clark Hamor, Julio E Agno, Fengju Chen, Ramya P Masand, Steven L Young, Chad J Creighton, Francesco J Demayo, Masahito Ikawa, Se-Jin Lee, Martin M Matzuk
Faculty Research 2021
During early pregnancy in the mouse, nidatory estrogen (E2) stimulates endometrial receptivity by activating a network of signaling pathways that is not yet fully characterized. Here, we report that bone morphogenetic proteins (BMPs) control endometrial receptivity via a conserved activin receptor type 2 A (ACVR2A) and SMAD1/5 signaling pathway. Mice were generated to contain single or double conditional deletion of SMAD1/5 and ACVR2A/ACVR2B receptors using progesterone receptor (PR)-cre. Female mice with SMAD1/5 deletion display endometrial defects that result in the development of cystic endometrial glands, a hyperproliferative endometrial epithelium during the window of implantation, and impaired apicobasal transformation that prevents …
Inactivated Rabies Virus Vectored Sars-Cov-2 Vaccine Prevents Disease In A Syrian Hamster Model., Drishya Kurup, Delphine C Malherbe, Christoph Wirblich, Rachael Lambert, Adam J Ronk, Leila Zabihi Diba, Alexander Bukreyev, Matthias J. Schnell
Inactivated Rabies Virus Vectored Sars-Cov-2 Vaccine Prevents Disease In A Syrian Hamster Model., Drishya Kurup, Delphine C Malherbe, Christoph Wirblich, Rachael Lambert, Adam J Ronk, Leila Zabihi Diba, Alexander Bukreyev, Matthias J. Schnell
Department of Microbiology and Immunology Faculty Papers
Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) is an emergent coronavirus that has caused a worldwide pandemic. Although human disease is often asymptomatic, some develop severe illnesses such as pneumonia, respiratory failure, and death. There is an urgent need for a vaccine to prevent its rapid spread as asymptomatic infections accounting for up to 40% of transmission events. Here we further evaluated an inactivated rabies vectored SARS-CoV-2 S1 vaccine CORAVAX in a Syrian hamster model. CORAVAX adjuvanted with MPLA-AddaVax, a TRL4 agonist, induced high levels of neutralizing antibodies and generated a strong Th1-biased immune response. Vaccinated hamsters were protected from …
Absent B Cells, Agammaglobulinemia, And Hypertrophic Cardiomyopathy In Folliculin-Interacting Protein 1 Deficiency, Francesco Saettini, Cecilia Poli, Jaime Vengoechea, Sonia Bonanomi, Julio C Orellana, Grazia Fazio, Fred H Rodriguez, Loreani P Noguera, Claire Booth, Valentina Jarur-Chamy, Marissa Shams, Maria Iascone, Maja Vukic, Serena Gasperini, Manuel Quadri, Amairelys Barroeta Seijas, Elizabeth Rivers, Mario Mauri, Raffaele Badolato, Gianni Cazzaniga, Cristina Bugarin, Giuseppe Gaipa, Wilma G M Kroes, Daniele Moratto, Monique M Van Oostaijen-Ten Dam, Frank Baas, Silvère Van Der Maarel, Rocco Piazza, Zeynep H Coban-Akdemir, James R Lupski, Bo Yuan, Ivan K Chinn, Lucia Daxinger, Andrea Biondi
Absent B Cells, Agammaglobulinemia, And Hypertrophic Cardiomyopathy In Folliculin-Interacting Protein 1 Deficiency, Francesco Saettini, Cecilia Poli, Jaime Vengoechea, Sonia Bonanomi, Julio C Orellana, Grazia Fazio, Fred H Rodriguez, Loreani P Noguera, Claire Booth, Valentina Jarur-Chamy, Marissa Shams, Maria Iascone, Maja Vukic, Serena Gasperini, Manuel Quadri, Amairelys Barroeta Seijas, Elizabeth Rivers, Mario Mauri, Raffaele Badolato, Gianni Cazzaniga, Cristina Bugarin, Giuseppe Gaipa, Wilma G M Kroes, Daniele Moratto, Monique M Van Oostaijen-Ten Dam, Frank Baas, Silvère Van Der Maarel, Rocco Piazza, Zeynep H Coban-Akdemir, James R Lupski, Bo Yuan, Ivan K Chinn, Lucia Daxinger, Andrea Biondi
Journal Articles
Agammaglobulinemia is the most profound primary antibody deficiency that can occur due to an early termination of B-cell development. We here investigated 3 novel patients, including the first known adult, from unrelated families with agammaglobulinemia, recurrent infections, and hypertrophic cardiomyopathy (HCM). Two of them also presented with intermittent or severe chronic neutropenia. We identified homozygous or compound-heterozygous variants in the gene for folliculin interacting protein 1 (FNIP1), leading to loss of the FNIP1 protein. B-cell metabolism, including mitochondrial numbers and activity and phosphatidylinositol 3-kinase/AKT pathway, was impaired. These defects recapitulated the Fnip1-/- animal model. Moreover, we identified either uniparental disomy …
Mouse Genome Database (Mgd): Knowledgebase For Mouse-Human Comparative Biology., Judith A. Blake, Richard M. Baldarelli, James A. Kadin, Joel E Richardson, Cynthia Smith, Carol J Bult, Mouse Genome Database Group
Mouse Genome Database (Mgd): Knowledgebase For Mouse-Human Comparative Biology., Judith A. Blake, Richard M. Baldarelli, James A. Kadin, Joel E Richardson, Cynthia Smith, Carol J Bult, Mouse Genome Database Group
Faculty Research 2021
The Mouse Genome Database (MGD; http://www.informatics.jax.org) is the community model organism knowledgebase for the laboratory mouse, a widely used animal model for comparative studies of the genetic and genomic basis for human health and disease. MGD is the authoritative source for biological reference data related to mouse genes, gene functions, phenotypes and mouse models of human disease. MGD is the primary source for official gene, allele, and mouse strain nomenclature based on the guidelines set by the International Committee on Standardized Nomenclature for Mice. MGD's biocuration scientists curate information from the biomedical literature and from large and small datasets contributed …
Ifn-Β Acts On Monocytes To Ameliorate Cns Autoimmunity By Inhibiting Proinflammatory Cross-Talk Between Monocytes And Th Cells., Javad Rasouli, Giacomo Casella, Larissa Ishikawa, Rodolfo Thome, Alexandra Boehm, Adam Ertel, Carolina R Melo-Silva, Elisabeth R. Mari, Patrizia Porazzi, Weifeng Zhang, Dan Xiao, Luis J. Sigal, Paolo Fortina, Guang-Xian Zhang, A M Rostami, Bogoljub Ciric
Ifn-Β Acts On Monocytes To Ameliorate Cns Autoimmunity By Inhibiting Proinflammatory Cross-Talk Between Monocytes And Th Cells., Javad Rasouli, Giacomo Casella, Larissa Ishikawa, Rodolfo Thome, Alexandra Boehm, Adam Ertel, Carolina R Melo-Silva, Elisabeth R. Mari, Patrizia Porazzi, Weifeng Zhang, Dan Xiao, Luis J. Sigal, Paolo Fortina, Guang-Xian Zhang, A M Rostami, Bogoljub Ciric
Department of Neurology Faculty Papers
IFN-β has been the treatment for multiple sclerosis (MS) for almost three decades, but understanding the mechanisms underlying its beneficial effects remains incomplete. We have shown that MS patients have increased numbers of GM-CSF+ Th cells in circulation, and that IFN-β therapy reduces their numbers. GM-CSF expression by myelin-specific Th cells is essential for the development of experimental autoimmune encephalomyelitis (EAE), an animal model of MS. These findings suggested that IFN-β therapy may function via suppression of GM-CSF production by Th cells. In the current study, we elucidated a feedback loop between monocytes and Th cells that amplifies autoimmune neuroinflammation, …
Patient-Derived Induced Pluripotent Stem Cell Models For Phenotypic Screening In The Neuronal Ceroid Lipofuscinoses, Ahmed Morsy, Angelica V. Carmona, Paul C. Trippier
Patient-Derived Induced Pluripotent Stem Cell Models For Phenotypic Screening In The Neuronal Ceroid Lipofuscinoses, Ahmed Morsy, Angelica V. Carmona, Paul C. Trippier
Journal Articles: Pharmaceutical Sciences
Batten disease or neuronal ceroid lipofuscinosis (NCL) is a group of rare, fatal, inherited neurodegenerative lysosomal storage disorders. Numerous genes (CLN1-CLN8, CLN10-CLN14) were identified in which mutations can lead to NCL; however, the underlying pathophysiology remains elusive. Despite this, the NCLs share some of the same features and symptoms but vary in respect to severity and onset of symptoms by age. Some common symptoms include the progressive loss of vision, mental and motor deterioration, epileptic seizures, premature death, and in the rare adult-onset, dementia. Currently, all forms of NCL are fatal, and no curative treatments are available. Induced pluripotent stem …
Mir-9-1 Suppresses Cell Proliferation And Promotes Apoptosis By Targeting Uhrf1 In Lung Cancer, Cheng-You Jia, Wei Xiang, Ji-Bin Liu, Geng-Xi Jiang, Feng Sun, Jian-Jun Wu, Xiao-Li Yang, Rui Xin, Yi Shi, Dan-Dan Zhang, Wen Li, Zavuga Zuberi, Jie Zhang, Gai-Xia Lu, Hui-Min Wang, Pei-Yao Wang, Fei Yu, Zhong-Wei Lv, Yu-Shui Ma, Da Fu
Mir-9-1 Suppresses Cell Proliferation And Promotes Apoptosis By Targeting Uhrf1 In Lung Cancer, Cheng-You Jia, Wei Xiang, Ji-Bin Liu, Geng-Xi Jiang, Feng Sun, Jian-Jun Wu, Xiao-Li Yang, Rui Xin, Yi Shi, Dan-Dan Zhang, Wen Li, Zavuga Zuberi, Jie Zhang, Gai-Xia Lu, Hui-Min Wang, Pei-Yao Wang, Fei Yu, Zhong-Wei Lv, Yu-Shui Ma, Da Fu
Journal Articles
Lung cancer is listed as the most common reason for cancer-related death all over the world despite diagnostic improvements and the development of chemotherapy and targeted therapies. MicroRNAs control both physiological and pathological processes including development and cancer. A microRNA-9 to 1 (miR-9 to 1) overexpression model in lung cancer cell lines was established and miR-9 to 1 was found to significantly suppress the proliferation rate in lung cancer cell lines, colony formation in vitro, and tumorigenicity in nude mice of A549 cells. Ubiquitin-like containing PHD and RING finger domains 1 (UHRF1) was then identified to direct target of miR-9 …
Dual Roles Of Neutrophils In Metastatic Colonization Are Governed By The Host Nk Cell Status., Peishan Li, Mingyang Lu, Jiayuan Shi, Li Hua, Zheng Gong, Qing Li, Leonard D. Shultz, Guangwen Ren
Dual Roles Of Neutrophils In Metastatic Colonization Are Governed By The Host Nk Cell Status., Peishan Li, Mingyang Lu, Jiayuan Shi, Li Hua, Zheng Gong, Qing Li, Leonard D. Shultz, Guangwen Ren
Faculty Research 2020
The role of neutrophils in solid tumor metastasis remains largely controversial. In preclinical models of solid tumors, both pro-metastatic and anti-metastatic effects of neutrophils have been reported. In this study, using mouse models of breast cancer, we demonstrate that the metastasis-modulating effects of neutrophils are dictated by the status of host natural killer (NK) cells. In NK cell-deficient mice, granulocyte colony-stimulating factor-expanded neutrophils show an inhibitory effect on the metastatic colonization of breast tumor cells in the lung. In contrast, in NK cell-competent mice, neutrophils facilitate metastatic colonization in the same tumor models. In an ex vivo neutrophil-NK cell-tumor cell …
Covid-19 Preclinical Models: Human Angiotensin-Converting Enzyme 2 Transgenic Mice., Cathleen Lutz, Leigh Maher, Charles Lee, Wonyoung Kang
Covid-19 Preclinical Models: Human Angiotensin-Converting Enzyme 2 Transgenic Mice., Cathleen Lutz, Leigh Maher, Charles Lee, Wonyoung Kang
Faculty Research 2020
Coronavirus disease 2019 (COVID-19) is a declared pandemic that is spreading all over the world at a dreadfully fast rate. Severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2), the pathogen of COVID-19, infects the human body using angiotensin-converting enzyme 2 (ACE2) as a receptor identical to the severe acute respiratory syndrome (SARS) pandemic that occurred in 2002-2003. SARS-CoV-2 has a higher binding affinity to human ACE2 than to that of other species. Animal models that mimic the human disease are highly essential to develop therapeutics and vaccines against COVID-19. Here, we review transgenic mice that express human ACE2 in the airway and …
Evidence Of Increased Hypoxia Signaling In Fetal Liver From Maternal Nutrient Restriction In Mice., Bethany N Radford, Victor K M Han
Evidence Of Increased Hypoxia Signaling In Fetal Liver From Maternal Nutrient Restriction In Mice., Bethany N Radford, Victor K M Han
Paediatrics Publications
BACKGROUND: Intrauterine growth restriction (IUGR) is a pregnancy condition where fetal growth is reduced, and offspring from IUGR pregnancies are at increased risk for type II diabetes as adults. The liver is susceptible to fetal undernutrition experienced by IUGR infants and animal models of growth restriction. This study aimed to examine hepatic expression changes in a maternal nutrient restriction (MNR) mouse model of IUGR to understand fetal adaptations that influence adult metabolism.
METHODS: Liver samples of male offspring from MNR (70% of ad libitum starting at E6.5) or control pregnancies were obtained at E18.5 and differential expression was assessed by …
Impaired Meningeal Lymphatic Vessel Development Worsens Stroke Outcome, Pavel Yanev, Katherine Poinsatte, Devon Hominick, Noor Khurana, Kielen R. Zuurbier, Marcus Berndt, Erik J. Plautz, Michael T. Dellinger, Ann M. Stowe
Impaired Meningeal Lymphatic Vessel Development Worsens Stroke Outcome, Pavel Yanev, Katherine Poinsatte, Devon Hominick, Noor Khurana, Kielen R. Zuurbier, Marcus Berndt, Erik J. Plautz, Michael T. Dellinger, Ann M. Stowe
Neurology Faculty Publications
The discovery of meningeal lymphatic vessels (LVs) has sparked interest in identifying their role in diseases of the central nervous system. Similar to peripheral LVs, meningeal LVs depend on vascular endothelial growth factor receptor-3 (VEGFR3) signaling for development. Here we characterize the effect of stroke on meningeal LVs, and the impact of meningeal lymphatic hypoplasia on post-stroke outcomes. We show that photothrombosis (PT), but not transient middle cerebral artery occlusion (tMCAo), induces meningeal lymphangiogenesis in young male C57Bl/J6 mice. We also show that Vegfr3wt/mut mice develop significantly fewer meningeal LVs than Vegfr3wt/wt mice. Again, meningeal lymphangiogenesis occurs in …
Functionalized Scaffold And Barrier Membrane With Anti-Bmp-2 Monoclonal Antibodies For Alveolar Ridge Preservation In A Canine Model, Seiko Min, Taewan Kim, Oksu Kim, Carames Goncalo, Tadahiko Utsunomiya, Takashi Matsumoto, Kayo Kuyama, Nikola Angelov
Functionalized Scaffold And Barrier Membrane With Anti-Bmp-2 Monoclonal Antibodies For Alveolar Ridge Preservation In A Canine Model, Seiko Min, Taewan Kim, Oksu Kim, Carames Goncalo, Tadahiko Utsunomiya, Takashi Matsumoto, Kayo Kuyama, Nikola Angelov
Journal Articles
INTRODUCTION: The aim of this study was to investigate the ability of anti-bone morphogenetic protein 2 monoclonal antibody (anti-BMP-2 mAb) to functionalize scaffolds to mediate bone regeneration in a canine model.
MATERIALS AND METHODS: The mandibular right premolar 4 (PM4) was extracted in eight beagle dogs and grafted with anti-BMP-2 mAb+anorganic bovine bone mineral with 10% collagen (ABBM-C) and porcine bilayer native collagen membrane (CM). The ABBM-C and CM were functionalized with either anti-BMP-2 mAb (test group) or an isotype matched control mAb (control group). Animals were euthanized at 12 weeks for radiographic, histologic, and histomorphometric analyses. Outcomes were compared …
Chronic Muscle Weakness And Mitochondrial Dysfunction In The Absence Of Sustained Atrophy In A Preclinical Sepsis Model, Allison M. Owen, Samir P. Patel, Jeffrey D. Smith, Beverly K. Balasuriya, Stephanie F. Mori, Gregory S. Hawk, Arnold J. Stromberg, Naohide Kuriyama, Masao Kaneki, Alexander G. Rabchevsky, Timothy A. Butterfield, Karyn A. Esser, Charlotte A. Peterson, Marlene E. Starr, Hiroshi Saito
Chronic Muscle Weakness And Mitochondrial Dysfunction In The Absence Of Sustained Atrophy In A Preclinical Sepsis Model, Allison M. Owen, Samir P. Patel, Jeffrey D. Smith, Beverly K. Balasuriya, Stephanie F. Mori, Gregory S. Hawk, Arnold J. Stromberg, Naohide Kuriyama, Masao Kaneki, Alexander G. Rabchevsky, Timothy A. Butterfield, Karyn A. Esser, Charlotte A. Peterson, Marlene E. Starr, Hiroshi Saito
Physiology Faculty Publications
Chronic critical illness is a global clinical issue affecting millions of sepsis survivors annually. Survivors report chronic skeletal muscle weakness and development of new functional limitations that persist for years. To delineate mechanisms of sepsis-induced chronic weakness, we first surpassed a critical barrier by establishing a murine model of sepsis with ICU-like interventions that allows for the study of survivors. We show that sepsis survivors have profound weakness for at least 1 month, even after recovery of muscle mass. Abnormal mitochondrial ultrastructure, impaired respiration and electron transport chain activities, and persistent protein oxidative damage were evident in the muscle of …