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Articles 31 - 60 of 294

Full-Text Articles in Medicine and Health Sciences

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 Jan 2022

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 Jan 2022

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 …


Ecdysoneless Overexpression Drives Mammary Tumorigenesis Through Upregulation Of C-Myc And Glucose Metabolism, Bhopal C. Mohapatra, Sameer Mirza, Aditya Bele, Channabasavaiah B. Gurumurthy, Mohsin Raza, Irfana Saleem, Matthew D. Storck, Aniruddha Sarkar, Sai Sundeep Kollala, Surendra K. Shukla, Siddesh Southekal, Kay-Uwe Wagner, Fang Qiu, Subodh M. Lele, Mansour A. Alsaleem, Emad A. Rakha, Chittibabu Guda, Pankaj K. Singh, Robert D. Cardiff, Hamid Band, Vimla Band Jan 2022

Ecdysoneless Overexpression Drives Mammary Tumorigenesis Through Upregulation Of C-Myc And Glucose Metabolism, Bhopal C. Mohapatra, Sameer Mirza, Aditya Bele, Channabasavaiah B. Gurumurthy, Mohsin Raza, Irfana Saleem, Matthew D. Storck, Aniruddha Sarkar, Sai Sundeep Kollala, Surendra K. Shukla, Siddesh Southekal, Kay-Uwe Wagner, Fang Qiu, Subodh M. Lele, Mansour A. Alsaleem, Emad A. Rakha, Chittibabu Guda, Pankaj K. Singh, Robert D. Cardiff, Hamid Band, Vimla Band

Journal Articles: Pharmacology & Experimental Neuroscience

Ecdysoneless (ECD) protein is essential for embryogenesis, cell-cycle progression, and cellular stress mitigation with an emerging role in mRNA biogenesis. We have previously shown that ECD protein as well as its mRNA are overexpressed in breast cancer and ECD overexpression predicts shorter survival in patients with breast cancer. However, the genetic evidence for an oncogenic role of ECD has not been established. Here, we generated transgenic mice with mammary epithelium-targeted overexpression of an inducible human ECD transgene (ECDTg). Significantly, ECDTg mice develop mammary hyperplasia, preneoplastic lesions, and heterogeneous tumors with occasional lung metastasis. ECDTg tumors exhibit epithelial to mesenchymal transition …


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 Jan 2022

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 …


Oral Administration Of A Dual Eta/Etb Receptor Antagonist Promotes Neuroprotection In A Rodent Model Of Glaucoma, Bindu Kodati, Nolan R Mcgrady, Hayden B Jefferies, Dorota L Stankowska, Raghu R Krishnamoorthy Jan 2022

Oral Administration Of A Dual Eta/Etb Receptor Antagonist Promotes Neuroprotection In A Rodent Model Of Glaucoma, Bindu Kodati, Nolan R Mcgrady, Hayden B Jefferies, Dorota L Stankowska, Raghu R Krishnamoorthy

Journal Articles

PURPOSE: Glaucoma is a neurodegenerative disease associated with elevated intraocular pressure and characterized by optic nerve axonal degeneration, cupping of the optic disc, and loss of retinal ganglion cells (RGCs). The endothelin (ET) system of vasoactive peptides (ET-1, ET-2, ET-3) and their G-protein coupled receptors (ET

METHODS: Male and female Brown Norway rats were subjected to the Morrison model of ocular hypertension by injection of hypertonic saline through the episcleral veins. Following IOP elevation, macitentan (5 mg/kg body wt) was administered orally 3 days per week, and rats with IOP elevation were maintained for 4 weeks. RGC function was determined …


Law Library Blog (October 2021): Legal Beagle's Blog Archive, Roger Williams University School Of Law Sep 2021

Law Library Blog (October 2021): Legal Beagle's Blog Archive, Roger Williams University School Of Law

Law Library Newsletters/Blog

No abstract provided.


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 Aug 2021

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 Aug 2021

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 Jun 2021

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 Mar 2021

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 Jan 2021

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 …


Sharing Voxelwise Neuroimaging Results From Rhesus Monkeys And Other Species With Neurovault, Andrew S. Fox, Daniel Holley, Peter Christiaan Klink, Spencer A. Arbuckle, Carol A. Barnes, Jörn Diedrichsen, Sze Chai Kwok, Colin Kyle, J. Andrew Pruszynski, Jakob Seidlitz, Xu Feng Zhou, Russell A. Poldrack, Krzysztof J. Gorgolewski Jan 2021

Sharing Voxelwise Neuroimaging Results From Rhesus Monkeys And Other Species With Neurovault, Andrew S. Fox, Daniel Holley, Peter Christiaan Klink, Spencer A. Arbuckle, Carol A. Barnes, Jörn Diedrichsen, Sze Chai Kwok, Colin Kyle, J. Andrew Pruszynski, Jakob Seidlitz, Xu Feng Zhou, Russell A. Poldrack, Krzysztof J. Gorgolewski

Brain and Mind Institute Researchers' Publications

© 2020 The Authors Animal neuroimaging studies can provide unique insights into brain structure and function, and can be leveraged to bridge the gap between animal and human neuroscience. In part, this power comes from the ability to combine mechanistic interventions with brain-wide neuroimaging. Due to their phylogenetic proximity to humans, nonhuman primate neuroimaging holds particular promise. Because nonhuman primate neuroimaging studies are often underpowered, there is a great need to share data amongst translational researchers. Data sharing efforts have been limited, however, by the lack of standardized tools and repositories through which nonhuman neuroimaging data can easily be archived …


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 Jan 2021

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 Jan 2021

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 Jan 2021

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 Jan 2021

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 …


The Status Of Antimicrobial Resistance In Campylobacterspp. Isolated From Animals And Humans In Southeast Asia: A Review, Saeid Jafari, Mahdi Ebrahimi, Taradon Luangtongkum Dec 2020

The Status Of Antimicrobial Resistance In Campylobacterspp. Isolated From Animals And Humans In Southeast Asia: A Review, Saeid Jafari, Mahdi Ebrahimi, Taradon Luangtongkum

The Thai Journal of Veterinary Medicine

Campylobacteris considered to be a major foodborne pathogen associated with human bacterial gastroenteritis in many parts of the world. Southeast Asia (SEA) has been challenging for infectious diseases and antimicrobial resistance in recent years. Antibiotic resistance in Campylobacterisolates has been reported in humans and animals in this region.Since the SEA region is one of the top tourist destinations of the world, the provision of safe food is of importance for the travel-related foodborne infections. Therefore, it is essential to elucidate the status of antibiotic resistance of Campylobacterspp. in the SEA region to reduce the impact of infection and to implement …


Rabbit As A Reservoir Of Multidrug-Resistant Acinetobacter Baumanniiexpressing The Ade Multidrug Efflux Pumps, Sirawit Pagdepanichkit, Rungtip Chuanchuen Dec 2020

Rabbit As A Reservoir Of Multidrug-Resistant Acinetobacter Baumanniiexpressing The Ade Multidrug Efflux Pumps, Sirawit Pagdepanichkit, Rungtip Chuanchuen

The Thai Journal of Veterinary Medicine

Acinetobacter baumanniihas emerged as a nosocomial pathogen and considered as a major cause of hospital acquired infections. While A. baumanniiin humans have been extensively studied in various situations, the study of A. baumanniiin companion animals is still limited. The aim of this study was to examine the presence and antimicrobial resistance profile of A. baumanniiisolates from companion rabbits. A total of 17 nasal swab from rabbit carcasses were obtained. A. baumanniiwas detected in 23.53% (4/17) of the samples and all the isolates exhibited resistance to chloramphenicol, erythromycin, spectinomycin and trimethoprim. Fifty percent of the isolates (2/4) were multidrug resistance (MDR) …


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 Sep 2020

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 Jun 2020

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 …


Drowning Of Pet Owners During Attempted Animal Rescues: The Avir-A Syndrome, John Pearn, Amy E. Peden, Richard Charles Franklin Apr 2020

Drowning Of Pet Owners During Attempted Animal Rescues: The Avir-A Syndrome, John Pearn, Amy E. Peden, Richard Charles Franklin

International Journal of Aquatic Research and Education

The rescuer who drowns can result from the attempted rescue of a human or an animal. We report here a total population analysis of all drowning fatalities for the 14-year period 1–July-2002 to 30-June-2016 which involved an attempted rescue of an animal. Cases were drawn from the Royal Life Saving National Fatal Drowning Database, which in turn, derived its data primarily from the National Coronial Information System (NCIS). Eight people drowned, all adults (ranging in age from 19-74 years), in the attempted rescue of an animal. Seven of the animals were domestic pet dogs, and in two cases farm animals. …


The Effect Of Hay Net Use On Cribbing Horses, Lauren Wesolowski Apr 2020

The Effect Of Hay Net Use On Cribbing Horses, Lauren Wesolowski

Undergraduate Honors Thesis Projects

Cribbing is a stereotypic behavior observed in horses, wherein the animal grasps a solid object with its front incisors and contracts its neck muscles to suck in air through its mouth, resulting in an audible grunt. Stereotypic behaviors such as cribbing are thought to be done in response to stress or insufficient stimulus in an animal’s living environment. Slow feeding hay nets can increase the amount of time horses spend eating daily hay rations. This research aims to use slow feeding hay nets to create a feeding process that is closer to natural grazing behavior and provide more stimulation for …


Evidence Of Increased Hypoxia Signaling In Fetal Liver From Maternal Nutrient Restriction In Mice., Bethany N Radford, Victor K M Han Feb 2020

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 Feb 2020

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 Jan 2020

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 Dec 2019

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 …


Interleukin 1 Alpha Administration Is Neuroprotective And Neuro-Restorative Following Experimental Ischemic Stroke, Kathleen E. Salmeron, Michael E. Maniskas, Danielle N. Edwards, Raymond Wong, Ivana Rajkovic, Amanda L. Trout, Abir A. Rahman, Samantha Hamilton, Justin F. Fraser, Emmanuel Pinteaux, Gregory J. Bix Nov 2019

Interleukin 1 Alpha Administration Is Neuroprotective And Neuro-Restorative Following Experimental Ischemic Stroke, Kathleen E. Salmeron, Michael E. Maniskas, Danielle N. Edwards, Raymond Wong, Ivana Rajkovic, Amanda L. Trout, Abir A. Rahman, Samantha Hamilton, Justin F. Fraser, Emmanuel Pinteaux, Gregory J. Bix

Sanders-Brown Center on Aging Faculty Publications

BACKGROUND: Stroke remains a leading cause of death and disability worldwide despite recent treatment breakthroughs. A primary event in stroke pathogenesis is the development of a potent and deleterious local and peripheral inflammatory response regulated by the pro-inflammatory cytokine interleukin-1 (IL-1). While the role of IL-1β (main released isoform) has been well studied in stroke, the role of the IL-1α isoform remains largely unknown. With increasing utilization of intravenous tissue plasminogen activator (t-PA) or thrombectomy to pharmacologically or mechanically remove ischemic stroke causing blood clots, respectively, there is interest in pairing successful cerebrovascular recanalization with neurotherapeutic pharmacological interventions (Fraser et …


Imaging Of Glucose Metabolism By 13c-Mri Distinguishes Pancreatic Cancer Subtypes In Mice, Shun Kishimoto, Jeffrey R. Brender, Daniel R. Crooks, Shingo Matsumoto, Tomohiro Seki, Nobu Oshima, Hellmut Merkle, Penghui Lin, Galen Reed, Albert P. Chen, Jan Henrik Ardenkjaer-Larsen, Jeeva Munasinghe, Keita Saito, Kazutoshi Yamamoto, Peter L. Choyke, James Mitchell, Andrew N. Lane, Teresa W. M. Fan, W. Marston Linehan, Murali C. Krishna Aug 2019

Imaging Of Glucose Metabolism By 13c-Mri Distinguishes Pancreatic Cancer Subtypes In Mice, Shun Kishimoto, Jeffrey R. Brender, Daniel R. Crooks, Shingo Matsumoto, Tomohiro Seki, Nobu Oshima, Hellmut Merkle, Penghui Lin, Galen Reed, Albert P. Chen, Jan Henrik Ardenkjaer-Larsen, Jeeva Munasinghe, Keita Saito, Kazutoshi Yamamoto, Peter L. Choyke, James Mitchell, Andrew N. Lane, Teresa W. M. Fan, W. Marston Linehan, Murali C. Krishna

Center for Environmental and Systems Biochemistry Faculty Publications

Metabolic differences among and within tumors can be an important determinant in cancer treatment outcome. However, methods for determining these differences non-invasively in vivo is lacking. Using pancreatic ductal adenocarcinoma as a model, we demonstrate that tumor xenografts with a similar genetic background can be distinguished by their differing rates of the metabolism of 13C labeled glucose tracers, which can be imaged without hyperpolarization by using newly developed techniques for noise suppression. Using this method, cancer subtypes that appeared to have similar metabolic profiles based on steady state metabolic measurement can be distinguished from each other. The metabolic maps from …


A Consensus Guide To Capturing The Ability To Inhibit Actions And Impulsive Behaviors In The Stop-Signal Task., Frederick Verbruggen, Adam R Aron, Guido Ph Band, Christian Beste, Patrick G Bissett, Adam T Brockett, Joshua W Brown, Samuel R Chamberlain, Christopher D Chambers, Hans Colonius, Lorenza S Colzato, Brian D Corneil, James P Coxon, Annie Dupuis, Dawn M Eagle, Hugh Garavan, Ian Greenhouse, Andrew Heathcote, René J Huster, Sara Jahfari, J Leon Kenemans, Inge Leunissen, Chiang-Shan R Li, Gordon D Logan, Dora Matzke, Sharon Morein-Zamir, Aditya Murthy, Martin Paré, Russell A Poldrack, K Richard Ridderinkhof, Trevor W Robbins, Matthew Roesch, Katya Rubia, Russell J Schachar, Jeffrey D Schall, Ann-Kathrin Stock, Nicole C Swann, Katharine N Thakkar, Maurits W Van Der Molen, Luc Vermeylen, Matthijs Vink, Jan R Wessel, Robert Whelan, Bram B Zandbelt, C Nico Boehler Apr 2019

A Consensus Guide To Capturing The Ability To Inhibit Actions And Impulsive Behaviors In The Stop-Signal Task., Frederick Verbruggen, Adam R Aron, Guido Ph Band, Christian Beste, Patrick G Bissett, Adam T Brockett, Joshua W Brown, Samuel R Chamberlain, Christopher D Chambers, Hans Colonius, Lorenza S Colzato, Brian D Corneil, James P Coxon, Annie Dupuis, Dawn M Eagle, Hugh Garavan, Ian Greenhouse, Andrew Heathcote, René J Huster, Sara Jahfari, J Leon Kenemans, Inge Leunissen, Chiang-Shan R Li, Gordon D Logan, Dora Matzke, Sharon Morein-Zamir, Aditya Murthy, Martin Paré, Russell A Poldrack, K Richard Ridderinkhof, Trevor W Robbins, Matthew Roesch, Katya Rubia, Russell J Schachar, Jeffrey D Schall, Ann-Kathrin Stock, Nicole C Swann, Katharine N Thakkar, Maurits W Van Der Molen, Luc Vermeylen, Matthijs Vink, Jan R Wessel, Robert Whelan, Bram B Zandbelt, C Nico Boehler

Brain and Mind Institute Researchers' Publications

Response inhibition is essential for navigating everyday life. Its derailment is considered integral to numerous neurological and psychiatric disorders, and more generally, to a wide range of behavioral and health problems. Response-inhibition efficiency furthermore correlates with treatment outcome in some of these conditions. The stop-signal task is an essential tool to determine how quickly response inhibition is implemented. Despite its apparent simplicity, there are many features (ranging from task design to data analysis) that vary across studies in ways that can easily compromise the validity of the obtained results. Our goal is to facilitate a more accurate use of the …


Non-Human Primates In Medical Research And Drug Development: A Critical Review, Jarrod Bailey Mar 2019

Non-Human Primates In Medical Research And Drug Development: A Critical Review, Jarrod Bailey

Jarrod Bailey, PhD

There is much current debate surrounding the use of non-human primates (NHPs) in medical research and drug development. This review, stimulated by calls for evidence from UK-based inquiries into NHP research, takes a critical view in order to provide some important balance against papers supporting NHP research and calling for it to be expanded. We show that there is a paucity of evidence to demonstrate the positive contribution or successful translation of NHP research to human medicine, that there is a great deal of often overlooked data showing NHP research to be irrelevant, unnecessary, even hazardous to human health and …