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Articles 1 - 30 of 1093
Full-Text Articles in Medical Sciences
Deep Phenotyping Of Post-Infectious Myalgic Encephalomyelitis/Chronic Fatigue Syndrome, Brian Walitt, Komudi Singh, Samuel R. Lamunion, Mark Hallett, Steve Jacobson, Kong Chen, Yoshimi Enose-Akahata, Richard Apps, Jennifer J. Barb, Patrick Bedard, Robert J. Brychta, Ashura Williams Buckley, Peter D. Burbelo, Brice Calco, Brianna Cathay, Li Chen, Snigdha Chigurupati, Jinguo Chen, Foo Cheung, Lisa M.K. Chin, Benjamin W. Coleman, Amber B. Courville, Madeleine S. Deming, Bart Drinkard, Li Rebekah Feng, Luigi Ferrucci, Scott A. Gabel, Angelique Gavin, David S. Goldstein, Shahin Hassanzadeh, Sean C. Horan, Silvina G. Horovitz, Kory R. Johnson, Anita Jones Govan, Kristine M. Knutson, Joy D. Kreskow, Mark Levin, Jonathan J. Lyons, Nicholas Madian, Nasir Malik, Andrew L. Mammen, John A. Mcculloch, Patrick M. Mcgurrin, Joshua D. Milner, Ruin Moaddel, Geoffrey A. Mueller, Amrita Mukherjee, Sandra Muñoz-Braceras, Gina Norato, Katherine Pak, Iago Pinal-Fernandez, Traian Popa, Lauren B. Reoma, Michael N. Sack, Farinaz Safavi, Leorey N. Saligan, Brian A. Sellers, Stephen Sinclair, Bryan Smith, Joseph Snow, Stacey Solin, Barbara J. Stussman, Giorgio Trinchieri, Sara A. Turner, C. Stephenie Vetter, Felipe Vial, Carlotta Vizioli, Ashley Williams, Shanna B. Yang, Avindra Nath
Deep Phenotyping Of Post-Infectious Myalgic Encephalomyelitis/Chronic Fatigue Syndrome, Brian Walitt, Komudi Singh, Samuel R. Lamunion, Mark Hallett, Steve Jacobson, Kong Chen, Yoshimi Enose-Akahata, Richard Apps, Jennifer J. Barb, Patrick Bedard, Robert J. Brychta, Ashura Williams Buckley, Peter D. Burbelo, Brice Calco, Brianna Cathay, Li Chen, Snigdha Chigurupati, Jinguo Chen, Foo Cheung, Lisa M.K. Chin, Benjamin W. Coleman, Amber B. Courville, Madeleine S. Deming, Bart Drinkard, Li Rebekah Feng, Luigi Ferrucci, Scott A. Gabel, Angelique Gavin, David S. Goldstein, Shahin Hassanzadeh, Sean C. Horan, Silvina G. Horovitz, Kory R. Johnson, Anita Jones Govan, Kristine M. Knutson, Joy D. Kreskow, Mark Levin, Jonathan J. Lyons, Nicholas Madian, Nasir Malik, Andrew L. Mammen, John A. Mcculloch, Patrick M. Mcgurrin, Joshua D. Milner, Ruin Moaddel, Geoffrey A. Mueller, Amrita Mukherjee, Sandra Muñoz-Braceras, Gina Norato, Katherine Pak, Iago Pinal-Fernandez, Traian Popa, Lauren B. Reoma, Michael N. Sack, Farinaz Safavi, Leorey N. Saligan, Brian A. Sellers, Stephen Sinclair, Bryan Smith, Joseph Snow, Stacey Solin, Barbara J. Stussman, Giorgio Trinchieri, Sara A. Turner, C. Stephenie Vetter, Felipe Vial, Carlotta Vizioli, Ashley Williams, Shanna B. Yang, Avindra Nath
Student Papers, Posters & Projects
Post-infectious myalgic encephalomyelitis/chronic fatigue syndrome (PI-ME/CFS) is a disabling disorder, yet the clinical phenotype is poorly defined, the pathophysiology is unknown, and no disease-modifying treatments are available. We used rigorous criteria to recruit PI-ME/CFS participants with matched controls to conduct deep phenotyping. Among the many physical and cognitive complaints, one defining feature of PI-ME/CFS was an alteration of effort preference, rather than physical or central fatigue, due to dysfunction of integrative brain regions potentially associated with central catechol pathway dysregulation, with consequences on autonomic functioning and physical conditioning. Immune profiling suggested chronic antigenic stimulation with increase in naïve and decrease …
Utilizing Primary Human Airway Mucociliary Tissue Cultures To Model Ramifications Of Chronic E-Cigarette Usage., Vincent J Manna, Shannon Dwyer, Vanessa Pizutelli, Salvatore J Caradonna
Utilizing Primary Human Airway Mucociliary Tissue Cultures To Model Ramifications Of Chronic E-Cigarette Usage., Vincent J Manna, Shannon Dwyer, Vanessa Pizutelli, Salvatore J Caradonna
Rowan-Virtua School of Osteopathic Medicine Faculty Scholarship
Electronic cigarettes are battery powered devices that use a vape-liquid to produce a vapor that is inhaled. A consequence of the rise in e-cigarette usage was the 2019 emergence of a vaping-induced respiratory disease denoted as 'e-cigarette or vaping use-associated lung injury' (EVALI). One of the suspected causes of EVALI is Vitamin E Acetate (VEA), which was found to be a diluent in certain illicit vape-pens, whereas nicotine is commonly diluted in equal parts propylene glycol and vegetable glycerin (PG:VG). The prevalent use of e-cigarettes and the emergence of a novel illness has made understanding how e-cigarette vapors affect our …
Circulating Metabolic Profile In Idiopathic Pulmonary Fibrosis: Data From The Ipf-Pro Registry, Ross Summer, Jamie Todd, Megan Neely, L. Jason Lobo, Andrew Namen, L. Kristin Newby, Shirin Shafazand, Sally Suliman, Christian Hesslinger, Sascha Keller, Thomas Leonard, Scott M Palmer, Olga Ilkayeva, Michael Muehlbauer, Christopher Newgard, Jesse Roman
Circulating Metabolic Profile In Idiopathic Pulmonary Fibrosis: Data From The Ipf-Pro Registry, Ross Summer, Jamie Todd, Megan Neely, L. Jason Lobo, Andrew Namen, L. Kristin Newby, Shirin Shafazand, Sally Suliman, Christian Hesslinger, Sascha Keller, Thomas Leonard, Scott M Palmer, Olga Ilkayeva, Michael Muehlbauer, Christopher Newgard, Jesse Roman
Division of Pulmonary and Critical Care Medicine Faculty Papers
BACKGROUND: The circulating metabolome, reflecting underlying cellular processes and disease biology, has not been fully characterized in patients with idiopathic pulmonary fibrosis (IPF). We evaluated whether circulating levels of metabolites correlate with the presence of IPF, with the severity of IPF, or with the risk of clinically relevant outcomes among patients with IPF.
METHODS: We analyzed enrollment plasma samples from 300 patients with IPF in the IPF-PRO Registry and 100 individuals without known lung disease using a set of targeted metabolomics and clinical analyte modules. Linear regression was used to compare metabolite and clinical analyte levels between patients with IPF …
Molecular Mechanisms In Pathophysiology Of Mucopolysaccharidosis And Prospects For Innovative Therapy, Yasuhiko Ago, Estera Rintz, Krishna Sai Musini, Zhengyu Ma, Shunji Tomatsu
Molecular Mechanisms In Pathophysiology Of Mucopolysaccharidosis And Prospects For Innovative Therapy, Yasuhiko Ago, Estera Rintz, Krishna Sai Musini, Zhengyu Ma, Shunji Tomatsu
Department of Pediatrics Faculty Papers
Mucopolysaccharidoses (MPSs) are a group of inborn errors of the metabolism caused by a deficiency in the lysosomal enzymes required to break down molecules called glycosaminoglycans (GAGs). These GAGs accumulate over time in various tissues and disrupt multiple biological systems, including catabolism of other substances, autophagy, and mitochondrial function. These pathological changes ultimately increase oxidative stress and activate innate immunity and inflammation. We have described the pathophysiology of MPS and activated inflammation in this paper, starting with accumulating the primary storage materials, GAGs. At the initial stage of GAG accumulation, affected tissues/cells are reversibly affected but progress irreversibly to: (1) …
Ephrinb2 Knockdown In Cervical Spinal Cord Preserves Diaphragm Innervation In A Mutant Sod1 Mouse Model Of Als, Mark W. Urban, Brittany A. Charsar, Nicolette M. Heinsinger, Shashirekha S. Markandaiah, Lindsay Sprimont, Wei Zhou, Eric V. Brown, Nathan T. Henderson, Samantha J. Thomas, Biswarup Ghosh, Rachel E. Cain, Davide Trotti, Piera Pasinelli, Megan C. Wright, Matthew B. Dalva, Angelo C. Lepore
Ephrinb2 Knockdown In Cervical Spinal Cord Preserves Diaphragm Innervation In A Mutant Sod1 Mouse Model Of Als, Mark W. Urban, Brittany A. Charsar, Nicolette M. Heinsinger, Shashirekha S. Markandaiah, Lindsay Sprimont, Wei Zhou, Eric V. Brown, Nathan T. Henderson, Samantha J. Thomas, Biswarup Ghosh, Rachel E. Cain, Davide Trotti, Piera Pasinelli, Megan C. Wright, Matthew B. Dalva, Angelo C. Lepore
Farber Institute for Neuroscience Staff Papers and Presentations
Amyotrophic lateral sclerosis (ALS) is a neurodegenerative disease characterized by motor neuron loss. Importantly, non-neuronal cell types such as astrocytes also play significant roles in disease pathogenesis. However, mechanisms of astrocyte contribution to ALS remain incompletely understood. Astrocyte involvement suggests that transcellular signaling may play a role in disease. We examined contribution of transmembrane signaling molecule ephrinB2 to ALS pathogenesis, in particular its role in driving motor neuron damage by spinal cord astrocytes. In symptomatic SOD1G93A mice (a well-established ALS model), ephrinB2 expression was dramatically increased in ventral horn astrocytes. Reducing ephrinB2 in the cervical spinal cord ventral horn via …
Metabolism Shapes Immune Responses To Staphylococcus Aureus., Prabhakar Arumugam, Tammy Kielian
Metabolism Shapes Immune Responses To Staphylococcus Aureus., Prabhakar Arumugam, Tammy Kielian
Journal Articles: Pathology and Microbiology
BACKGROUND: Staphylococcus aureus (S. aureus) is a common cause of hospital- and community-acquired infections that can result in various clinical manifestations ranging from mild to severe disease. The bacterium utilizes different combinations of virulence factors and biofilm formation to establish a successful infection, and the emergence of methicillin- and vancomycin-resistant strains introduces additional challenges for infection management and treatment.
SUMMARY: Metabolic programming of immune cells regulates the balance of energy requirements for activation and dictates pro- versus anti-inflammatory function. Recent investigations into metabolic adaptations of leukocytes and S. aureus during infection indicate that metabolic crosstalk plays a crucial role in …
Metabolic Diversity Of Human Macrophages: Potential Influence On Staphylococcus Aureus Intracellular Survival, Blake P. Bertrand, Dhananjay Shinde, Vinai C. Thomas, Marvin Whiteley, Carolyn B. Ibberson, Tammy Kielian
Metabolic Diversity Of Human Macrophages: Potential Influence On Staphylococcus Aureus Intracellular Survival, Blake P. Bertrand, Dhananjay Shinde, Vinai C. Thomas, Marvin Whiteley, Carolyn B. Ibberson, Tammy Kielian
Journal Articles: Pathology and Microbiology
Staphylococcus aureus is a leading cause of medical device-associated biofilm infections. This is influenced by the ability of S. aureus biofilm to evade the host immune response, which is partially driven by the anti-inflammatory cytokine interleukin-10 (IL-10). Here, we show that treatment of human monocyte-derived macrophages (HMDMs) with IL-10 enhanced biofilm formation, suggesting that macrophage anti-inflammatory programming likely plays an important role during the transition from planktonic to biofilm growth. To identify S. aureus genes that were important for intracellular survival in HMDMs and how this was affected by IL-10, transposon sequencing was performed. The size of the S. aureus …
Investigation Into Cardiac Myhc-Α 334-352-Specific Tcr Transgenic Mice Reveals A Role For Cytotoxic Cd4 T Cells In The Development Of Cardiac Autoimmunity, Meghna Sur, Mahima T. Rasquinha, Kiruthiga Mone, Chandirasegaran Massilamany, Ninaad Lasrado, Channabasavaiah B. Gurumurthy, Raymond A Sobel, Jay Reddy
Investigation Into Cardiac Myhc-Α 334-352-Specific Tcr Transgenic Mice Reveals A Role For Cytotoxic Cd4 T Cells In The Development Of Cardiac Autoimmunity, Meghna Sur, Mahima T. Rasquinha, Kiruthiga Mone, Chandirasegaran Massilamany, Ninaad Lasrado, Channabasavaiah B. Gurumurthy, Raymond A Sobel, Jay Reddy
Journal Articles: Genetics, Cell Biology & Anatomy
Myocarditis is one of the major causes of heart failure in children and young adults and can lead to dilated cardiomyopathy. Lymphocytic myocarditis could result from autoreactive CD4+ and CD8+ T cells, but defining antigen specificity in disease pathogenesis is challenging. To address this issue, we generated T cell receptor (TCR) transgenic (Tg) C57BL/6J mice specific to cardiac myosin heavy chain (Myhc)-α 334-352 and found that Myhc-α-specific TCRs were expressed in both CD4+ and CD8+ T cells. To investigate if the phenotype is more pronounced in a myocarditis-susceptible genetic background, we backcrossed with A/J mice. At …
Fused In Sarcoma Regulates Glutamate Signaling And Oxidative Stress Response, Chiong-Hee Wong, Abu Rahat, Howard C Chang
Fused In Sarcoma Regulates Glutamate Signaling And Oxidative Stress Response, Chiong-Hee Wong, Abu Rahat, Howard C Chang
Rowan-Virtua School of Osteopathic Medicine Faculty Scholarship
Mutations in fused in sarcoma (fust-1) are linked to ALS. However, how these ALS causative mutations alter physiological processes and lead to the onset of ALS remains largely unknown. By obtaining humanized fust-1 ALS mutations via CRISPR-CAS9, we generated a C. elegans ALS model. Homozygous fust-1 ALS mutant and fust-1 deletion animals are viable in C. elegans. This allows us to better characterize the molecular mechanisms of fust-1-dependent responses. We found FUST-1 plays a role in regulating superoxide dismutase, glutamate signaling, and oxidative stress. FUST-1 suppresses SOD-1 and VGLUT/EAT-4 in the nervous system. FUST-1 also regulates synaptic AMPA-type glutamate receptor …
The Concise Guide To Pharmacology 2023/24: Catalytic Receptors, Stephen P.H. Alexander, Doriano Fabbro, Eamonn Kelly, Alistair A. Mathie, John A. Peters, Emma L. Veale, Jane F. Armstrong, Elena Faccenda, Simon D. Harding, Jamie A. Davies, Annie Beuve, Peter Brouckaert, Clare Bryant, John C. Burnett, Richard W. Farndale, Andreas Friebe, John Garthwaite, Adrian J. Hobbs, Gavin E. Jarvis, Doris Koesling, Michaela Kuhn, David Macewan, Tom P. Monie, Lincoln R. Potter, Michael Russwurm, Harald H.H.W. Schmidt, Johannes-Peter Stasch, Scott A. Waldman
The Concise Guide To Pharmacology 2023/24: Catalytic Receptors, Stephen P.H. Alexander, Doriano Fabbro, Eamonn Kelly, Alistair A. Mathie, John A. Peters, Emma L. Veale, Jane F. Armstrong, Elena Faccenda, Simon D. Harding, Jamie A. Davies, Annie Beuve, Peter Brouckaert, Clare Bryant, John C. Burnett, Richard W. Farndale, Andreas Friebe, John Garthwaite, Adrian J. Hobbs, Gavin E. Jarvis, Doris Koesling, Michaela Kuhn, David Macewan, Tom P. Monie, Lincoln R. Potter, Michael Russwurm, Harald H.H.W. Schmidt, Johannes-Peter Stasch, Scott A. Waldman
Department of Pharmacology, Physiology, and Cancer Biology Faculty Papers
The Concise Guide to PHARMACOLOGY 2023/24 is the sixth in this series of biennial publications. The Concise Guide provides concise overviews, mostly in tabular format, of the key properties of approximately 1800 drug targets, and nearly 6000 interactions with about 3900 ligands. There is an emphasis on selective pharmacology (where available), plus links to the open access knowledgebase source of drug targets and their ligands (https://www.guidetopharmacology.org/), which provides more detailed views of target and ligand properties. Although the Concise Guide constitutes almost 500 pages, the material presented is substantially reduced compared to information and links presented on the website. It …
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 …
Effects Of Dimerization On The Deacylase Activities Of Human Sirt2., Jie Yang, Nathan I Nicely, Brian P Weiser
Effects Of Dimerization On The Deacylase Activities Of Human Sirt2., Jie Yang, Nathan I Nicely, Brian P Weiser
Rowan-Virtua School of Osteopathic Medicine Faculty Scholarship
Human sirtuin isoform 2 (SIRT2) is an NAD+-dependent enzyme that functions as a lysine deacetylase and defatty-acylase. Here, we report that SIRT2 readily dimerizes in solution and in cells and that dimerization affects its ability to remove different acyl modifications from substrates. Dimerization of recombinant SIRT2 was revealed with analytical size exclusion chromatography and chemical cross-linking. Dimerized SIRT2 dissociates into monomers upon binding long fatty acylated substrates (decanoyl-, dodecanoyl-, and myristoyl-lysine). However, we did not observe dissociation of dimeric SIRT2 in the presence of acetyl-lysine. Analysis of X-ray crystal structures led us to discover a SIRT2 double mutant (Q142A/E340A) that …
Jun Upregulation Drives Aberrant Transposable Element Mobilization, Associated Innate Immune Response, And Impaired Neurogenesis In Alzheimer’S Disease, Chiara Scopa, Samantha Barnada, Maria Cicardi, Mo Singer, Davide Trotti, Marco Trizzino
Jun Upregulation Drives Aberrant Transposable Element Mobilization, Associated Innate Immune Response, And Impaired Neurogenesis In Alzheimer’S Disease, Chiara Scopa, Samantha Barnada, Maria Cicardi, Mo Singer, Davide Trotti, Marco Trizzino
Farber Institute for Neuroscience Faculty Papers
Adult neurogenic decline, inflammation, and neurodegeneration are phenotypic hallmarks of Alzheimer's disease (AD). Mobilization of transposable elements (TEs) in heterochromatic regions was recently reported in AD, but the underlying mechanisms are still underappreciated. Combining functional genomics with the differentiation of familial and sporadic AD patient derived-iPSCs into hippocampal progenitors, CA3 neurons, and cerebral organoids, we found that the upregulation of the AP-1 subunit, c-Jun, triggers decondensation of genomic regions containing TEs. This leads to the cytoplasmic accumulation of HERVK-derived RNA-DNA hybrids, the activation of the cGAS-STING cascade, and increased levels of cleaved caspase-3, suggesting the initiation of programmed cell death …
Skin Barrier Function: The Interplay Of Physical, Chemical, And Immunologic Properties, Paola Baker, Christina Huang, Rakan Radi, Samara B Moll, Emmanuela Jules, Jack L Arbiser
Skin Barrier Function: The Interplay Of Physical, Chemical, And Immunologic Properties, Paola Baker, Christina Huang, Rakan Radi, Samara B Moll, Emmanuela Jules, Jack L Arbiser
Student Papers, Posters & Projects
An intact barrier function of the skin is important in maintaining skin health. The regulation of the skin barrier depends on a multitude of molecular and immunological signaling pathways. By examining the regulation of a healthy skin barrier, including maintenance of the acid mantle and appropriate levels of ceramides, dermatologists can better formulate solutions to address issues that are related to a disrupted skin barrier. Conversely, by understanding specific skin barrier disruptions that are associated with specific conditions, such as atopic dermatitis or psoriasis, the development of new compounds could target signaling pathways to provide more effective relief for patients. …
Genetic Separation Of Brca1 Functions Reveal Mutation-Dependent Polθ Vulnerabilities, John J. Krais, David J. Glass, Ilse Chudoba, Yifan Wang, Wanjuan Feng, Dennis Simpson, Pooja Patel, Zemin Liu, Ryan Neumann-Domer, Robert G. Betsch, Andrea J. Bernhardy, Alice M. Bradbury, Jason Conger, Wei-Ting Yueh, Joseph Nacson, Richard T. Pomerantz, Gaorav P. Gupta, Joseph R. Testa, Neil Johnson
Genetic Separation Of Brca1 Functions Reveal Mutation-Dependent Polθ Vulnerabilities, John J. Krais, David J. Glass, Ilse Chudoba, Yifan Wang, Wanjuan Feng, Dennis Simpson, Pooja Patel, Zemin Liu, Ryan Neumann-Domer, Robert G. Betsch, Andrea J. Bernhardy, Alice M. Bradbury, Jason Conger, Wei-Ting Yueh, Joseph Nacson, Richard T. Pomerantz, Gaorav P. Gupta, Joseph R. Testa, Neil Johnson
Department of Biochemistry and Molecular Biology Faculty Papers
Homologous recombination (HR)-deficiency induces a dependency on DNA polymerase theta (Polθ/Polq)-mediated end joining, and Polθ inhibitors (Polθi) are in development for cancer therapy. BRCA1 and BRCA2 deficient cells are thought to be synthetic lethal with Polθ, but whether distinct HR gene mutations give rise to equivalent Polθ-dependence, and the events that drive lethality, are unclear. In this study, we utilized mouse models with separate Brca1 functional defects to mechanistically define Brca1-Polθ synthetic lethality. Surprisingly, homozygous Brca1 mutant, Polq−/− cells were viable, but grew slowly and had chromosomal instability. Brca1 mutant cells proficient in DNA end resection were …
Atm Deficiency Confers Specific Therapeutic Vulnerabilities In Bladder Cancer, Yuzhen Zhou, Judit Börcsök, Elio Adib, Sophia C. Kamran, Alexander J. Neil, Konrad Stawiski, Dory Freeman, Dag Rune Stormoen, Zsofia Sztupinszki, Amruta Samant, Amin Nassar, Raie T. Bekele, Timothy Hanlon, Henkel Valentine, Ilana Epstein, Bijaya Sharma, Kristen Felt, Philip Abbosh, Chin-Lee Wu, Jason A. Efstathiou, David T. Miyamoto, William Anderson, Zoltan Szallasi, Kent W. Mouw
Atm Deficiency Confers Specific Therapeutic Vulnerabilities In Bladder Cancer, Yuzhen Zhou, Judit Börcsök, Elio Adib, Sophia C. Kamran, Alexander J. Neil, Konrad Stawiski, Dory Freeman, Dag Rune Stormoen, Zsofia Sztupinszki, Amruta Samant, Amin Nassar, Raie T. Bekele, Timothy Hanlon, Henkel Valentine, Ilana Epstein, Bijaya Sharma, Kristen Felt, Philip Abbosh, Chin-Lee Wu, Jason A. Efstathiou, David T. Miyamoto, William Anderson, Zoltan Szallasi, Kent W. Mouw
Einstein Health Papers
Ataxia-telangiectasia mutated (ATM) plays a central role in the cellular response to DNA damage and ATM alterations are common in several tumor types including bladder cancer. However, the specific impact of ATM alterations on therapy response in bladder cancer is uncertain. Here, we combine preclinical modeling and clinical analyses to comprehensively define the impact of ATM alterations on bladder cancer. We show that ATM loss is sufficient to increase sensitivity to DNA-damaging agents including cisplatin and radiation. Furthermore, ATM loss drives sensitivity to DNA repair-targeted agents including poly(ADP-ribose) polymerase (PARP) and Ataxia telangiectasia and Rad3 related (ATR) inhibitors. ATM loss …
Perceptions Of Nigerian Medical Students Regarding Their Preparedness For Precision Medicine: A Cross-Sectional Survey In Lagos, Nigeria, Chibuzor Ogamba, Alero Roberts, Sharon Ajudua, Mosopefoluwa Akinwale, Fuhad Jeje, Festus Ibe, Moses Afolayan, Yetunde Kuyinu
Perceptions Of Nigerian Medical Students Regarding Their Preparedness For Precision Medicine: A Cross-Sectional Survey In Lagos, Nigeria, Chibuzor Ogamba, Alero Roberts, Sharon Ajudua, Mosopefoluwa Akinwale, Fuhad Jeje, Festus Ibe, Moses Afolayan, Yetunde Kuyinu
Einstein Health Papers
BACKGROUND: Advances in precision medicine in Nigeria suggest improving genomics education and competency among healthcare practitioners to facilitate clinical translation. Due to the scarcity of research in this area, this study aimed to assess Nigerian medical students' perceptions about their preparedness to integrate precision medicine into their future clinical practice.
METHODS: This was an institution-based cross-sectional study of medicine and surgery students in their clinical years attending the two fully accredited colleges of medicine in Lagos, Nigeria, between April and October 2022 using an adapted tool administered via Google Forms. The survey assessed their awareness, perceptions about knowledge, ability, and …
Targeting The Αvβ3/Ngr2 Pathway In Neuroendocrine Prostate Cancer, Anna Testa, Fabio Quaglia, Nicole M. Naranjo, Cecilia E. Verrillo, Christopher D. Shields, Stephen Lin, Maxwell W. Pickles, Drini F. Hamza, Tami Von Schalscha, David A. Cheresh, Benjamin E Leiby, Qin Liu, Jianyi Ding, William K. Kelly, D. Craig Hooper, Eva Corey, Edward F. Plow, Dario C. Altieri, Lucia R. Languino
Targeting The Αvβ3/Ngr2 Pathway In Neuroendocrine Prostate Cancer, Anna Testa, Fabio Quaglia, Nicole M. Naranjo, Cecilia E. Verrillo, Christopher D. Shields, Stephen Lin, Maxwell W. Pickles, Drini F. Hamza, Tami Von Schalscha, David A. Cheresh, Benjamin E Leiby, Qin Liu, Jianyi Ding, William K. Kelly, D. Craig Hooper, Eva Corey, Edward F. Plow, Dario C. Altieri, Lucia R. Languino
Department of Pharmacology, Physiology, and Cancer Biology Faculty Papers
Highly aggressive, metastatic, neuroendocrine prostate cancer, which typically develops from prostate cancer cells acquiring resistance to androgen deprivation therapy, is associated with limited treatment options and hence poor prognosis. We have previously demonstrated that the αVβ3 integrin is over-expressed in neuroendocrine prostate cancer. We now show that LM609, a monoclonal antibody that specifically targets the human αVβ3 integrin, hinders the growth of neuroendocrine prostate cancer patient-derived xenografts in vivo. Our group has recently identified a novel αVβ3 integrin binding partner, NgR2, responsible for regulating the expression of neuroendocrine markers and for inducing neuroendocrine differentiation in prostate cancer cells. Through in …
Identification Of Dual Strn-Ntrk2 Rearrangements In A High Grade Sarcoma, With Good Clinical Response To First-Line Larotrectinib Therapy, Ruihe Lin, Atrayee Basu Mallick, Zi-Xuan Wang, Phd, Scot Andrew Brown, Bo Lu, Md, Wei Jiang
Identification Of Dual Strn-Ntrk2 Rearrangements In A High Grade Sarcoma, With Good Clinical Response To First-Line Larotrectinib Therapy, Ruihe Lin, Atrayee Basu Mallick, Zi-Xuan Wang, Phd, Scot Andrew Brown, Bo Lu, Md, Wei Jiang
Department of Pathology, Anatomy, and Cell Biology Faculty Papers
BACKGROUND: Among the three NTRK genes, NTRK2 possesses a tremendous structural complexity and involves tumorigenesis of several types of tumors. To date, only STRN and RBPMS are identified in the fusion with NTRK2 in adult soft tissue tumors. More recently, the highly selective Trk tyrosine kinases inhibitors, including larotrectinib and entrectinib, have shown significant efficacy for treating tumors harboring NTRK fusions and were approved by FDA.
CASE PRESENTATION: We report a case of sarcoma in a 35-year-old female harboring two STRN-NTRK2 gene fusions, with a good clinical response to first-line larotrectinib treatment. Core biopsy of the 16.5 cm gluteal mass …
Molecular Characterization Of Streptococcus Pneumoniae Causing Disease Among Children In Nigeria During The Introduction Of Pcv10 (Gsk), Stephanie W. Lo, Paulina A. Hawkins, Binta Jibir, Fatimah Hassan-Hanga, Mahmoud Gambo, Rasaq Olaosebikan, Grace Olanipekun, Huda Munir, Nicholas Kocmich, Amy Rezac-Elgohary, Safiya Gambo, Danstan Bagenda, Paul Fey, Robert F. Breiman, Lesley Mcgee, Stephen D. Bentley, Stephen K. Obaro, Community Acquired Pneumonia And Invasive Bacterial Disease Capibd Consortium
Molecular Characterization Of Streptococcus Pneumoniae Causing Disease Among Children In Nigeria During The Introduction Of Pcv10 (Gsk), Stephanie W. Lo, Paulina A. Hawkins, Binta Jibir, Fatimah Hassan-Hanga, Mahmoud Gambo, Rasaq Olaosebikan, Grace Olanipekun, Huda Munir, Nicholas Kocmich, Amy Rezac-Elgohary, Safiya Gambo, Danstan Bagenda, Paul Fey, Robert F. Breiman, Lesley Mcgee, Stephen D. Bentley, Stephen K. Obaro, Community Acquired Pneumonia And Invasive Bacterial Disease Capibd Consortium
Student Papers, Posters & Projects
Streptococcus pneumoniae (pneumococcus) is a leading vaccine-preventable cause of childhood invasive disease. Nigeria has the second highest pneumococcal disease burden globally, with an estimated ~49 000 child deaths caused by pneumococcal infections each year. Ten-valent pneumococcal conjugate vaccine (GSK; PCV10) was introduced in December 2014 in a phased approach. However, few studies have characterized the disease-causing pneumococci from Nigeria. This study assessed the prevalence of serotypes, antibiotic susceptibility and genomic lineages using whole genome sequencing and identified lineages that could potentially escape PCV10 (GSK). We also investigated the potential differences in pneumococcal lineage features between children with and without sickle …
Committing To Genomic Answers For All Kids: Evaluating Inequity In Genomic Research Enrollment., Natalie J. Kane, Ana S A Cohen, Courtney D. Berrios, Bridgette Jones, T Pastinen, Mark A. Hoffman
Committing To Genomic Answers For All Kids: Evaluating Inequity In Genomic Research Enrollment., Natalie J. Kane, Ana S A Cohen, Courtney D. Berrios, Bridgette Jones, T Pastinen, Mark A. Hoffman
Manuscripts, Articles, Book Chapters and Other Papers
PURPOSE: Persistent inequities in genomic medicine and research contribute to health disparities. This analysis uses a context-specific and equity-focused strategy to evaluate enrollment patterns for Genomic Answers for Kids (GA4K), a large, metropolitan-wide genomic study on children.
METHODS: Electronic health records for 2247 GA4K study participants were used to evaluate the distribution of individuals by demographics (race, ethnicity, and payor type) and location (residential address). Addresses were geocoded to produce point density and 3-digit zip code maps showing local and regional enrollment patterns. Health system reports and census data were used to compare participant characteristics with reference populations at different …
Igg3 Subclass Antibodies Recognize Antigenically Drifted Influenza Viruses And Sars-Cov-2 Variants Through Efficient Bivalent Binding, Marcus J. Bolton, Jefferson J.S. Santos, Claudia P. Arevalo, Trevor Griesman, Megan Watson, Shuk Hang Li, Paul Bates, Holly Ramage, Patrick C. Wilson, Scott E. Hensley
Igg3 Subclass Antibodies Recognize Antigenically Drifted Influenza Viruses And Sars-Cov-2 Variants Through Efficient Bivalent Binding, Marcus J. Bolton, Jefferson J.S. Santos, Claudia P. Arevalo, Trevor Griesman, Megan Watson, Shuk Hang Li, Paul Bates, Holly Ramage, Patrick C. Wilson, Scott E. Hensley
Department of Microbiology and Immunology Faculty Papers
The constant domains of antibodies are important for effector functions, but less is known about how they can affect binding and neutralization of viruses. Here, we evaluated a panel of human influenza virus monoclonal antibodies (mAbs) expressed as IgG1, IgG2, or IgG3. We found that many influenza virus-specific mAbs have altered binding and neutralization capacity depending on the IgG subclass encoded and that these differences result from unique bivalency capacities of the subclasses. Importantly, subclass differences in antibody binding and neutralization were greatest when the affinity for the target antigen was reduced through antigenic mismatch. We found that antibodies expressed …
Isolated Cerebral Mucormycosis And Aspergillosis Coinfection In An Immunocompromised Adult, George Sun, Allison Weiss, Joy Zhao, Mitchell Silver, Michael Demaio, Sara Dehbashi
Isolated Cerebral Mucormycosis And Aspergillosis Coinfection In An Immunocompromised Adult, George Sun, Allison Weiss, Joy Zhao, Mitchell Silver, Michael Demaio, Sara Dehbashi
Department of Neurology Faculty Papers
Opportunistic fungal infections are a major cause of mortality in immunosuppressed patients, with mucormycosis and aspergillosis as two of the most commonly identified fungal organisms. Coinfection with mucormycosis and aspergillosis is rare, but cases have been reported in literature, most commonly presenting as disseminated invasive fungal infection with cerebrorhino-orbital involvement in an immunocompromised patient. Infections are most commonly caused by direct implantation of spores with localised angioinvasion. Haematogenous spread is rare, with most cases secondary to haematological malignancies or intravenous drug use. Coinfection with mucormycosis and aspergillosis portends a poor prognosis, with a high mortality rate. Thus, prompt recognition and …
Fan1 Removes Triplet Repeat Extrusions Via A Pcna- And Rfc-Dependent Mechanism, Ashutosh S. Phadte, Mayuri Bhatia, Hope Ebert, Haaris Abdullah, Essam Abed Elrazaq, Konstantin E. Komolov, Anna Pluciennik
Fan1 Removes Triplet Repeat Extrusions Via A Pcna- And Rfc-Dependent Mechanism, Ashutosh S. Phadte, Mayuri Bhatia, Hope Ebert, Haaris Abdullah, Essam Abed Elrazaq, Konstantin E. Komolov, Anna Pluciennik
Department of Biochemistry and Molecular Biology Faculty Papers
Human genome-wide association studies have identified FAN1 and several DNA mismatch repair (MMR) genes as modifiers of Huntington’s disease age of onset. In animal models, FAN1 prevents somatic expansion of CAG triplet repeats, whereas MMR proteins promote this process. To understand the molecular basis of these opposing effects, we evaluated FAN1 nuclease function on DNA extrahelical extrusions that represent key intermediates in triplet repeat expansion. Here, we describe a strand-directed, extrusion-provoked nuclease function of FAN1 that is activated by RFC, PCNA, and ATP at physiological ionic strength. Activation of FAN1 in this manner results in DNA cleavage in the vicinity …
The Nurosleeve, A User-Centered 3d Printed Hybrid Orthosis For Individuals With Upper Extremity Impairment, Mehdi Khantan, Mikael Avery, Phyo Thuta Aung, Rachel M. Zarin, Emma Hammelef, Nabila Shawki, Mijail Demian Serruya, Alessandro Naopli
The Nurosleeve, A User-Centered 3d Printed Hybrid Orthosis For Individuals With Upper Extremity Impairment, Mehdi Khantan, Mikael Avery, Phyo Thuta Aung, Rachel M. Zarin, Emma Hammelef, Nabila Shawki, Mijail Demian Serruya, Alessandro Naopli
Farber Institute for Neuroscience Faculty Papers
BACKGROUND: Active upper extremity (UE) assistive devices have the potential to restore independent functional movement in individuals with UE impairment due to neuromuscular diseases or injury-induced chronic weakness. Academically fabricated UE assistive devices are not usually optimized for activities of daily living (ADLs), whereas commercially available alternatives tend to lack flexibility in control and activation methods. Both options are typically difficult to don and doff and may be uncomfortable for extensive daily use due to their lack of personalization. To overcome these limitations, we have designed, developed, and clinically evaluated the NuroSleeve, an innovative user-centered UE hybrid orthosis.
METHODS: This …
Relative Burden Of Cancer And Noncancer Mortality Among Long-Term Survivors Of Breast, Prostate, And Colorectal Cancer In The Us, Madhav Kc, Jane Fan, Terry Hyslop, Sirad Hassan, Michael Cecchini, Shi-Yi Wang, Andrea Silber, Michael S. Leapman, Ira Leeds, Stephanie B. Wheeler, Lisa P. Spees, Cary P. Gross, Maryam Lustberg, Rachel A. Greenup, Amy C. Justice, Kevin C. Oeffinger, Michaela A. Dinan
Relative Burden Of Cancer And Noncancer Mortality Among Long-Term Survivors Of Breast, Prostate, And Colorectal Cancer In The Us, Madhav Kc, Jane Fan, Terry Hyslop, Sirad Hassan, Michael Cecchini, Shi-Yi Wang, Andrea Silber, Michael S. Leapman, Ira Leeds, Stephanie B. Wheeler, Lisa P. Spees, Cary P. Gross, Maryam Lustberg, Rachel A. Greenup, Amy C. Justice, Kevin C. Oeffinger, Michaela A. Dinan
Kimmel Cancer Center Faculty Papers
IMPORTANCE: Improvements in cancer outcomes have led to a need to better understand long-term oncologic and nononcologic outcomes and quantify cancer-specific vs noncancer-specific mortality risks among long-term survivors.
OBJECTIVE: To assess absolute and relative cancer-specific vs noncancer-specific mortality rates among long-term survivors of cancer, as well as associated risk factors.
DESIGN, SETTING, AND PARTICIPANTS: This cohort study included 627 702 patients in the Surveillance, Epidemiology, and End Results cancer registry with breast, prostate, or colorectal cancer who received a diagnosis between January 1, 2003, and December 31, 2014, who received definitive treatment for localized disease and who were alive 5 …
Differentials And Predictors Of Food Insecurity Among Federally Qualified Health Center Target Populations In Philadelphia: A Cross-Sectional Study, Galicano Kai Inguito, Brandon Joa, James Gardner, Eric N Fung, Laura Layer, Karen Fritz
Differentials And Predictors Of Food Insecurity Among Federally Qualified Health Center Target Populations In Philadelphia: A Cross-Sectional Study, Galicano Kai Inguito, Brandon Joa, James Gardner, Eric N Fung, Laura Layer, Karen Fritz
Department of Medicine Faculty Papers
BACKGROUND: Over the past decade, the prevalence of food insecurity declined in the United States but curiously climbed in Philadelphia, Pennsylvania, a sizable metropolitan area where many households experience food insecurity and are dependent on programs like SNAP. Therefore, we aimed to determine the burden of food insecurity among populations near Philadelphia Federally Qualified Health Center (FQHC) clinic sites.
METHODS: This cross-sectional study was conducted in North Philadelphia, a populous and impoverished section of Philadelphia with many zip codes reporting 30-45% or more of the population below the federal poverty line. Students and clinicians affiliated with a local FQHC conducted …
The Impact Of Essential Trace Elements On Ovarian Response And Reproductive Outcomes Following Single Euploid Embryo Transfer, Roberto Gonzalez-Martin, Andrea Palomar, Alicia Quiñonero, Nuria Pellicer, Rocio Fernandez-Saavedra, Estefania Conde-Vilda, Alberto J Quejido, Christine Whitehead, Richard T. Scott, Francisco Dominguez
The Impact Of Essential Trace Elements On Ovarian Response And Reproductive Outcomes Following Single Euploid Embryo Transfer, Roberto Gonzalez-Martin, Andrea Palomar, Alicia Quiñonero, Nuria Pellicer, Rocio Fernandez-Saavedra, Estefania Conde-Vilda, Alberto J Quejido, Christine Whitehead, Richard T. Scott, Francisco Dominguez
Department of Medicine Faculty Papers
Essential trace elements are required in extremely small amounts and obtained through diet. This research focuses on detecting major trace elements in different biofluids of sixty women undergoing ICSI with PGT-A and SET/FET at IVI-RMA, New Jersey, and assessing their impact on their IVF outcomes. Urine, plasma, and follicular fluid samples were collected on the vaginal oocyte retrieval day to measure the concentrations of eight essential trace elements (copper, zinc, molybdenum, lithium, selenium, manganese, chromium, and iron) using ICP-MS. After analysis, ovarian response and preimplantation outcomes had significant positive associations with both copper alone and the copper/zinc ratio in the …
Assessment Of The First Presentations Of Common Variable Immunodeficiency In A Large Cohort Of Patients, Hossein Esmaeilzadeh, Armita Jokar-Derisi, Amir Hossein Hassani, Reza Yazdani, Samaneh Delavari, Hassan Abolhassani, Negar Mortazavi, Aida Askarisarvestani
Assessment Of The First Presentations Of Common Variable Immunodeficiency In A Large Cohort Of Patients, Hossein Esmaeilzadeh, Armita Jokar-Derisi, Amir Hossein Hassani, Reza Yazdani, Samaneh Delavari, Hassan Abolhassani, Negar Mortazavi, Aida Askarisarvestani
Department of Neurology Faculty Papers
BACKGROUND: Common Variable Immunodeficiency (CVID) is a primary immunodeficiency syndrome resulting in recurrent infections, autoimmunity, and granulomatous manifestations.
METHODS AND MATERIALS: This retrospective study was conducted on an Iranian national registry of immunodeficient patients from 2010 to 2021. The frequency of first presentations of CVID and its association with sex, age of onset, and family history of CVID was evaluated.
RESULTS: A total of 383 patients entered the study, 164 of whom were female, and the rest were male. The mean age of the patients was 25.3 ± 14.5 years. The most frequent first presentations of CVID were pneumonia (36.8%) …
Association Between Metabolic Syndrome And Stroke: A Population Based Cohort Study, Amir Moghadam-Ahmadi, Narjes Soltani, Fatemeh Ayoobi, Zahra Jamali, Tabandeh Sadeghi, Nazanin Jalali, Alireza Vakilian, Mohammad Amin Lotfi, Parvin Khalili
Association Between Metabolic Syndrome And Stroke: A Population Based Cohort Study, Amir Moghadam-Ahmadi, Narjes Soltani, Fatemeh Ayoobi, Zahra Jamali, Tabandeh Sadeghi, Nazanin Jalali, Alireza Vakilian, Mohammad Amin Lotfi, Parvin Khalili
Department of Neuroscience Faculty Papers
Both metabolic syndrome (MetS) and stroke are associated with increased risk of mortality. Here, we aimed to assess the prevalence of MetS among adults using three definitions (Adult Treatment Panel III (ATP-III), International Diabetes Federation (IDF) and IDF ethnic specific cut-off for Iranian criteria) and its association with stroke. We performed a cross-sectional study of a total of 9991 adult participants of Rafsanjan Cohort Study (RCS), as part of the Prospective epidemiological research studies in Iran (PERSIAN cohort study). The MetS prevalence was evaluated in participants according to the different criteria. Multivariate logistic regression analyses were conducted to assess the …