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Articles 12001 - 12030 of 15661
Full-Text Articles in Entire DC Network
Concomitant Retrograde Coronary Venous Infusion Of Basic Fibroblast Growth Factor Enhances Engraftment And Differentiation Of Bone Marrow Mesenchymal Stem Cells For Cardiac Repair After Myocardial Infarction., Xiao Wang, Lei Zhen, Huangtai Miao, Qiwei Sun, Ya Yang, Bin Que, Edmundo Patricio Lopes Lao, Xingxin Wu, Hongmei Ren, Shutian Shi, Wayne Bond Lau, Xin-Liang Ma, Changsheng Ma, Shaoping Nie
Concomitant Retrograde Coronary Venous Infusion Of Basic Fibroblast Growth Factor Enhances Engraftment And Differentiation Of Bone Marrow Mesenchymal Stem Cells For Cardiac Repair After Myocardial Infarction., Xiao Wang, Lei Zhen, Huangtai Miao, Qiwei Sun, Ya Yang, Bin Que, Edmundo Patricio Lopes Lao, Xingxin Wu, Hongmei Ren, Shutian Shi, Wayne Bond Lau, Xin-Liang Ma, Changsheng Ma, Shaoping Nie
Department of Emergency Medicine Faculty Papers
AIM: Basic fibroblast growth factor (bFGF) increases the migration and viability of bone marrow mesenchymal stem cells (MSCs) in vitro. Retrograde coronary venous infusion can provide both increased regional bFGF concentrations and homogeneous cell dissemination. We determined whether retrograde delivery of bFGF enhances the potency of transplanted MSCs for cardiac repair in a canine infarct model.
METHODS AND RESULTS: Under hypoxic conditions, cellular migration was significantly increased in MSCs co-cultured with bFGF compared to vascular endothelial growth factor or insulin-like growth factor, and bFGF promoted MSCs differentiation into a cardiomyocyte phenotype. A canine infarct model was employed by coronary ligation. …
Respiratory Function Amongst Asymptomatic Hiv Positive And Hiv Negative Clients At Aga Khan University Hospital, Nairobi, Noah Kipkemei Murbiy
Respiratory Function Amongst Asymptomatic Hiv Positive And Hiv Negative Clients At Aga Khan University Hospital, Nairobi, Noah Kipkemei Murbiy
Master of Medicine in Internal Medicine
Background: Spirometry is used to asses respiratory function abnormalities. This is usually in reference to a validated normal range unique to a particular gender, race, age, weight and height. Majority of persons are usually asymptomatic until the expected FEV1 has decreased by 50%. Early intervention on the abnormalities even in this asymptomatic group has been shown to retard the rate of pulmonary deterioration. An unpublished audit at the Aga Khan University Hospital, Nairobi, revealed that majority of newly diagnosed HIV positive persons were admitted at the Critical Care Units with a pulmonary cause which later resulted in poor outcomes. This …
Pannexin1 Channels Dominate Atp Release In The Cochlea Ensuring Endocochlear Potential And Auditory Receptor Potential Generation And Hearing, Jin Chen, Yan Zhu, Chun Liang, Jing Chen, Hong-Bo Zhao
Pannexin1 Channels Dominate Atp Release In The Cochlea Ensuring Endocochlear Potential And Auditory Receptor Potential Generation And Hearing, Jin Chen, Yan Zhu, Chun Liang, Jing Chen, Hong-Bo Zhao
Otolaryngology--Head & Neck Surgery Faculty Publications
Pannexin1 (Panx1) is a gap junction gene in vertebrates whose proteins mainly function as non-junctional channels on the cell surface. Panx1 channels can release ATP under physiological conditions and play critical roles in many physiological and pathological processes. Here, we report that Panx1 deficiency can reduce ATP release and endocochlear potential (EP) generation in the cochlea inducing hearing loss. Panx1 extensively expresses in the cochlea, including the cochlear lateral wall. We found that deletion of Panx1 in the cochlear lateral wall almost abolished ATP release under physiological conditions. Positive EP is a driving force for current through hair cells to …
Combination Of Id2 Knockdown Whole Tumor Cells And Checkpoint Blockade: A Potent Vaccine Strategy In A Mouse Neuroblastoma Model., Lina Chakrabarti, Clifford Morgan, Anthony D. Sandler
Combination Of Id2 Knockdown Whole Tumor Cells And Checkpoint Blockade: A Potent Vaccine Strategy In A Mouse Neuroblastoma Model., Lina Chakrabarti, Clifford Morgan, Anthony D. Sandler
Surgery Faculty Publications
Tumor vaccines have held much promise, but to date have demonstrated little clinical success. This lack of success is conceivably due to poor tumor antigen presentation combined with immuno-suppressive mechanisms exploited by the tumor itself. Knock down of Inhibitor of differentiation protein 2 (Id2-kd) in mouse neuroblastoma whole tumor cells rendered these cells immunogenic. Id2-kd neuroblastoma (Neuro2a) cells (Id2-kd N2a) failed to grow in most immune competent mice and these mice subsequently developed immunity against further wild-type Neuro2a tumor cell challenge. Id2-kd N2a cells grew aggressively in immune-compromised hosts, thereby establishing the immunogenicity of these cells. Therapeutic vaccination with Id2-kd …
The Cognition-Enhancing Effects Of Psychostimulants Involve Direct Action In The Prefrontal Cortex, Robert C. Spencer, David M. Devilbiss, Craig Berridge
The Cognition-Enhancing Effects Of Psychostimulants Involve Direct Action In The Prefrontal Cortex, Robert C. Spencer, David M. Devilbiss, Craig Berridge
Rowan-Virtua School of Osteopathic Medicine Departmental Research
Psychostimulants are highly effective in the treatment of attention-deficit/hyperactivity disorder. The clinical efficacy of these drugs is strongly linked to their ability to improve cognition dependent on the prefrontal cortex (PFC) and extended frontostriatal circuit. The procognitive actions of psychostimulants are only associated with low doses. Surprisingly, despite nearly 80 years of clinical use, the neurobiology of the procognitive actions of psychostimulants has only recently been systematically investigated. Findings from this research unambiguously demonstrate that the cognition-enhancing effects of psychostimulants involve the preferential elevation of catecholamines in the PFC and the subsequent activation of norepinephrine α2 and dopamine D1 receptors. …
Alterations In Dna Methylation May Be The Key To Early Detection And Treatment Of Schistosomal Bladder Cancer, Simon L. Conti, Jared Honeycutt, Justin I. Odegaard, Mark L. Gonzalgo, Michael H. Hsieh
Alterations In Dna Methylation May Be The Key To Early Detection And Treatment Of Schistosomal Bladder Cancer, Simon L. Conti, Jared Honeycutt, Justin I. Odegaard, Mark L. Gonzalgo, Michael H. Hsieh
Urology Faculty Publications
No abstract provided.
Long Non-Coding Rna Malat1 Regulates Hyperglycaemia Induced Inflammatory Process In The Endothelial Cells., Prasanth Puthanveetil, Shali Chen, Biao Feng, Anirudh Gautam, Subrata Chakrabarti
Long Non-Coding Rna Malat1 Regulates Hyperglycaemia Induced Inflammatory Process In The Endothelial Cells., Prasanth Puthanveetil, Shali Chen, Biao Feng, Anirudh Gautam, Subrata Chakrabarti
Pathology Publications
To examine whether the long non-coding RNA (lncRNA) metastasis associated lung adenocarcinoma transcript 1 (MALAT1) is altered in the endothelial cells in response to glucose and the significance of such alteration. We incubated human umbilical vein endothelial cells with media containing various glucose levels. We found an increase in MALAT1 expression peaking after 12 hrs of incubation in high glucose. This increase was associated with parallel increase in serum amyloid antigen 3 (SAA3), an inflammatory ligand and target of MALAT1 and was further accompanied by increase in mRNAs and proteins of inflammatory mediators, tumour necrosis factor alpha (TNF-α) and interleukin …
Differential Effects Of Cold Atmospheric Plasma In The Treatment Of Malignant Glioma, Alan Siu, Olga Volotskova, Xiaoqian Cheng, Siri S. Khalsa, Ka Bian, Ferid Murad, Michael Keidar, Jonathan H. Sherman
Differential Effects Of Cold Atmospheric Plasma In The Treatment Of Malignant Glioma, Alan Siu, Olga Volotskova, Xiaoqian Cheng, Siri S. Khalsa, Ka Bian, Ferid Murad, Michael Keidar, Jonathan H. Sherman
Neurological Surgery Faculty Publications
Objective
Cold atmospheric plasma (CAP) has recently been shown to selectively target cancer cells with minimal effects on normal cells. We systematically assessed the effects of CAP in the treatment of glioblastoma.
Methods
Three glioma cell lines, normal astrocytes, and endothelial cell lines were treated with CAP. The effects of CAP were then characterized for viability, cytotoxicity/apoptosis, and cell cycle effects. Statistical significance was determined with student's t-test.
Results
CAP treatment decreases viability of glioma cells in a dose dependent manner, with the ID50 between 90-120 seconds for all glioma cell lines. Treatment with CAP for more than 120 seconds …
Galectin-1: A Biomarker Of Surgical Stress In Murine Model Of Cardiac Surgery, Satwat Hashmi, Suhail Al-Salam
Galectin-1: A Biomarker Of Surgical Stress In Murine Model Of Cardiac Surgery, Satwat Hashmi, Suhail Al-Salam
Department of Biological & Biomedical Sciences
Galectin-1 (GAL-1) belongs to the family of β-galactoside-binding lectins. It regulates cell-cell and cell-matrix interactions, the immune response, apoptosis, cell cycle, RNA splicing and neoplastic transformation. We investigate the effect of heart manipulation secondary to cardiac surgery on the level of GAL-1 in murine heart and plasma. Male C57B6/J mice were used for adopted model of cardiac surgery. Heart samples were processed for immunohistochemical and immunofluorescent labeling, Enzyme linked immunosorbent assay and quantitative RT-PCR to identify GAL-1 levels in the heart and plasma during the first 24 hours following cardiac surgery. There is significant increase of GAL-1 in the LV …
Prophylactic Methylprednisolone To Reduce Inflammation And Improve Outcomes From One Lung Ventilation In Children: A Randomized Clinical Trial., Mary C. Theroux, Alicia Olivant Fisher, Maria E. Rodriguez, Robert P. Brislin, Kirk W. Reichard, Suken A. Shah, Matt Mccoy, Melinda Brown, Kirk W. Dabney, William G. Mackenzie, Douglas A. Katz, Thomas H. Shaffer
Prophylactic Methylprednisolone To Reduce Inflammation And Improve Outcomes From One Lung Ventilation In Children: A Randomized Clinical Trial., Mary C. Theroux, Alicia Olivant Fisher, Maria E. Rodriguez, Robert P. Brislin, Kirk W. Reichard, Suken A. Shah, Matt Mccoy, Melinda Brown, Kirk W. Dabney, William G. Mackenzie, Douglas A. Katz, Thomas H. Shaffer
Department of Anesthesiology Faculty Papers
BACKGROUND: One lung ventilation (OLV) results in inflammatory and mechanical injury, leading to intraoperative and postoperative complications in children. No interventions have been studied in children to minimize such injury.
OBJECTIVE: We hypothesized that a single 2-mg·kg(-1) dose of methylprednisolone given 45-60 min prior to lung collapse would minimize injury from OLV and improve physiological stability.
METHODS: Twenty-eight children scheduled to undergo OLV were randomly assigned to receive 2 mg·kg(-1) methylprednisolone (MP) or normal saline (placebo group) prior to OLV. Anesthetic management was standardized, and data were collected for physiological stability (bronchospasm, respiratory resistance, and compliance). Plasma was assayed for …
Understanding Nucleus Pulposus Cell Phenotype: A Prerequisite For Stem Cell Based Therapies To Treat Intervertebral Disc Degeneration., Hyowon Choi, Zariel I. Johnson, Makarand V. Risbud
Understanding Nucleus Pulposus Cell Phenotype: A Prerequisite For Stem Cell Based Therapies To Treat Intervertebral Disc Degeneration., Hyowon Choi, Zariel I. Johnson, Makarand V. Risbud
Department of Orthopaedic Surgery Faculty Papers
Intervertebral disc (IVD) degeneration and associated low back pain (LBP) remains a major burden to our society without significant improvements in treatment strategies or patient's quality of life. While the recent cell-transplantation studies for treatment of degenerative disc disease have shown promising results, to better gauge the success and functional outcomes of these therapies, it is crucial to understand if transplanted cells give rise to healthy nucleus pulposus (NP) tissue. NP cell phenotype is unique and is defined by expression of a characteristic set of markers that reflect specialized physiology and function. This review summarizes phenotypic markers that mirror the …
Slit2/Robo1-Mir-218-1-Ret/Plag1: A New Disease Pathway Involved In Hirschsprung's Disease., Weibing Tang, Junwei Tang, Jun He, Zhigang Zhou, Yufeng Qin, Jingjing Qin, Bo Li, Xiaoqun Xu, Qiming Geng, Weiwei Jiang, Wei Wu, Xinru Wang, Yankai Xia
Slit2/Robo1-Mir-218-1-Ret/Plag1: A New Disease Pathway Involved In Hirschsprung's Disease., Weibing Tang, Junwei Tang, Jun He, Zhigang Zhou, Yufeng Qin, Jingjing Qin, Bo Li, Xiaoqun Xu, Qiming Geng, Weiwei Jiang, Wei Wu, Xinru Wang, Yankai Xia
Department of Pathology, Anatomy, and Cell Biology Faculty Papers
Hirschsprung's disease (HSCR) is a rare congenital disease caused by impaired proliferation and migration of neural crest cells. We investigated changes in expression of microRNAs (miRNAs) and the genes they regulate in tissues of patients with HSCR. Quantitative real-time PCR and immunoblot analyses were used to measure levels of miRNA, mRNAs, and proteins in colon tissues from 69 patients with HSCR and 49 individuals without HSCR (controls). Direct interactions between miRNAs and specific mRNAs were indentified in vitro, while the function role of miR-218-1 was investigated by using miR-218 transgenic mice. An increased level of miR-218-1 correlated with increased levels …
Characterization Of In-Hospital Cardiac Arrest In Adult Patients At A Tertiary Hospital In Kenya, Benjamin Wachira
Characterization Of In-Hospital Cardiac Arrest In Adult Patients At A Tertiary Hospital In Kenya, Benjamin Wachira
Internal Medicine, East Africa
Background:In-hospital cardiac arrest (IHCA) is defined as a cardiac arrest that occurs in a hospital and for which resuscitation is attempted. Despite the increased morbidity and mortality, IHCA incidence and outcomes remain largely unknown especially in sub-Saharan Africa. This study describes the baseline characteristics, prearrest physiological parameters and the rate of survival to hospital discharge of adult patients with an IHCA at a tertiary hospital in Kenya.
Methods:This was a retrospective chart review. Data on patient characteristics, pre-arrest physiological parameters and discharge condition were collected on all patients 18 years of age or older with an IHCA at …
Morbidity And Mortality Assessment In Acute Hepatitis-E, Lubna Kamani, Saeed Sadiq Hamid, Faisal Wasim Ismail, Syed Waqas Haider, Safia Awan, Ashfaq Ahmed, Wasim Jafri
Morbidity And Mortality Assessment In Acute Hepatitis-E, Lubna Kamani, Saeed Sadiq Hamid, Faisal Wasim Ismail, Syed Waqas Haider, Safia Awan, Ashfaq Ahmed, Wasim Jafri
Department of Medicine
Background: Hepatitis-E is an enterically transmitted virus causing acute hepatitis. Mostly it is a self-limiting clinical course, but can be life threatening in certain high risk groups. Pakistan is endemic for Hepatitis-E with limited published literature. The aim of this study is to evaluate the predictors of mortality in patients with acute Hepatitis-E.
Methods: We analyzed the medical records of 369 adult patients with Hepatitis-E infection admitted at Aga khan University Hospital, from January 1996 to December 2010. Details of their laboratory investigations, clinical course and complications such as FHF and mortality were noted. The outcome was compared, and determinants …
Environmental And Food Allergens Reactivity And Its Association With Total Ige, Age And Gender In Karachi, Pakistan, Noreen Abbas, Ahmed Raheem, Farooq Ghani
Environmental And Food Allergens Reactivity And Its Association With Total Ige, Age And Gender In Karachi, Pakistan, Noreen Abbas, Ahmed Raheem, Farooq Ghani
Department of Pathology and Laboratory Medicine
Aim: The aim of this study is to assess the frequency of food and environmental allergens reactivity and its association in with age, gender and total IgE levels
Material and Methods: The study population consisted of 88 individuals including children and adults (male: 47 and female: 41). The study was conducted in the clinical laboratory, Department of Pathology and Laboratory Medicine, Aga Khan University Hospital from May 2009 till May 2010. Sera of patients positive for total IgE were tested for allergen specific IgE levels by Immulite 2000, 3gAllergyTM. We divided allergens into two panels, namely food and environmental.
Results: …
Target-Specific Oral Anticoagulants: Should We Switch From Warfarin?, Payam Safavi-Naeini, Mohammad Saeed
Target-Specific Oral Anticoagulants: Should We Switch From Warfarin?, Payam Safavi-Naeini, Mohammad Saeed
The Texas Heart Institute Journal
No abstract provided.
Is Autologous Or Heterologous Pericardium Better For Valvuloplasty? A Comparative Study Of Calcification Propensity, Wen-Jian Jiang, Yong-Chao Cui, Jin-Hua Li, Xiu-Hui Zhang, Huan-Huan Ding, Yong-Qiang Lai, Hong-Jia Zhang
Is Autologous Or Heterologous Pericardium Better For Valvuloplasty? A Comparative Study Of Calcification Propensity, Wen-Jian Jiang, Yong-Chao Cui, Jin-Hua Li, Xiu-Hui Zhang, Huan-Huan Ding, Yong-Qiang Lai, Hong-Jia Zhang
The Texas Heart Institute Journal
Pericardial calcification is detrimental to the long-term durability of valvuloplasty. However, whether calcification susceptibility differs between heterologous and autologous pericardium is unclear. In this study, we compared the progression of calcification in vivo between autologous and heterologous pericardium.
We randomly divided 28 rabbits into 4 equal groups. Resected rabbit pericardium served as autologous pericardium, and commercial bovine pericardium served as heterologous pericardium. We subcutaneously embedded one of each pericardial patch in the abdominal walls of 21 of the rabbits. The 7 control rabbits (group A) received no implants. The embedded samples were removed at 2 months in group B, at …
Cellular And Deafness Mechanisms Underlying Connexin Mutation-Induced Hearing Loss - A Common Hereditary Deafness, Jeffrey C. Wingard, Hong-Bo Zhao
Cellular And Deafness Mechanisms Underlying Connexin Mutation-Induced Hearing Loss - A Common Hereditary Deafness, Jeffrey C. Wingard, Hong-Bo Zhao
Otolaryngology--Head & Neck Surgery Faculty Publications
Hearing loss due to mutations in the connexin gene family, which encodes gap junctional proteins, is a common form of hereditary deafness. In particular, connexin 26 (Cx26, GJB2) mutations are responsible for ~50% of non-syndromic hearing loss, which is the highest incidence of genetic disease. In the clinic, Cx26 mutations cause various auditory phenotypes ranging from profound congenital deafness at birth to mild, progressive hearing loss in late childhood. Recent experiments demonstrate that congenital deafness mainly results from cochlear developmental disorders rather than hair cell degeneration and endocochlear potential reduction, while late-onset hearing loss results from reduction of active …
Intramembranous Bone Healing Process Subsequent To Tooth Extraction In Mice: Micro-Computed Tomography, Histomorphometric And Molecular Characterization, Andreia Espindola Vieira, Carlos Eduardo Repeke, Samuel De Barros Ferreira Junior, Priscila Maria Colavite, Cláudia Cristina Biguetti, Rodrigo Cardoso Oliveira, Gerson Francisco Assis, Rumio Taga, Ana Paula Favaro Trombone, Gustavo P. Garlet
Intramembranous Bone Healing Process Subsequent To Tooth Extraction In Mice: Micro-Computed Tomography, Histomorphometric And Molecular Characterization, Andreia Espindola Vieira, Carlos Eduardo Repeke, Samuel De Barros Ferreira Junior, Priscila Maria Colavite, Cláudia Cristina Biguetti, Rodrigo Cardoso Oliveira, Gerson Francisco Assis, Rumio Taga, Ana Paula Favaro Trombone, Gustavo P. Garlet
School of Podiatric Medicine Publications
Bone tissue has a significant potential for healing, which involves a significant the interplay between bone and immune cells. While fracture healing represents a useful model to investigate endochondral bone healing, intramembranous bone healing models are yet to be developed and characterized. In this study, a micro-computed tomography, histomorphometric and molecular (RealTimePCRarray) characterization of post tooth-extraction alveolar bone healing was performed on C57Bl/6 WT mice. After the initial clot dominance (0 h), the development of a provisional immature granulation tissue is evident (7 d), characterized by marked cell proliferation, angiogenesis and inflammatory cells infiltration; associated with peaks of growth factors …
Astrocyte Morphology, Heterogeneity, And Density In The Developing African Giant Rat (Cricetomys Gambianus), Matthew A. Olude, Oluwaseun A. Mustapha, Oluwatunde A. Aderounmu, James O. Olopade, Amadi O. Ihunwo
Astrocyte Morphology, Heterogeneity, And Density In The Developing African Giant Rat (Cricetomys Gambianus), Matthew A. Olude, Oluwaseun A. Mustapha, Oluwatunde A. Aderounmu, James O. Olopade, Amadi O. Ihunwo
Brain and Mind Institute
Astrocyte morphologies and heterogeneity were described in male African giant rats (AGR; Cricetomys gambianus, Waterhouse) across three age groups (five neonates, five juveniles, and five adults) using Silver impregnation method and immunohistochemistry against glial fibrillary acidic protein. Immunopositive cell signaling, cell size and population were least in neonates, followed by adults and juveniles, respectively. In neonates, astrocyte processes were mostly detected within the glia limitans of the mid and hind brain; their cell bodies measuring 32 ± 4.8 μm in diameter against 91 ± 5.4 μm and 75 ± 1.9 μm in juveniles and adults, respectively. Astrocyte heterogeneity in …
Re-Examination Of 30-Day Survival And Relapse Rates In Patients With Thrombotic Thrombocytopenic Purpura-Hemolytic Uremic Syndrome, Cassiana E. Bittencourt, Jennifer P. Ha, Robert W. Maitta
Re-Examination Of 30-Day Survival And Relapse Rates In Patients With Thrombotic Thrombocytopenic Purpura-Hemolytic Uremic Syndrome, Cassiana E. Bittencourt, Jennifer P. Ha, Robert W. Maitta
Faculty Scholarship
Background and Objectives: Thrombotic thrombocytopenic purpura (TTP) and hemolytic uremic syndrome (HUS) are characterized by microangiopathic hemolytic anemia and thrombocytopenia. Interestingly, markedly different survival rates have been reported despite increases in survivability. We studied TTP-HUS 30-day mortality and relapse rates of patients who received TPE at our institution and compared them to published data. Patients and Methods: Retrospective study analyzed 30-day mortality and relapse rates attributed to TTP-HUS from 01/01/2008 to 12/31/2012 and compared them to comparable literature reporting mortality and survival. Studies describing other etiologies for TPE and different mortality time interval were excluded. Results: Fifty-nine patients were analyzed …
Genetic Heterogeneity Of Pseudoxanthoma Elasticum: The Chinese Signature Profile Of Abcc6 And Enpp1 Mutations., Liang Jin, Qiujie Jiang, Zhengsheng Wu, Changxia Shao, Yong Zhou, Luting Yang, Jouni Uitto, Gang Wang
Genetic Heterogeneity Of Pseudoxanthoma Elasticum: The Chinese Signature Profile Of Abcc6 And Enpp1 Mutations., Liang Jin, Qiujie Jiang, Zhengsheng Wu, Changxia Shao, Yong Zhou, Luting Yang, Jouni Uitto, Gang Wang
Department of Dermatology and Cutaneous Biology Faculty Papers
Pseudoxanthoma elasticum (PXE), an autosomal recessive disorder characterized by ectopic mineralization, is caused by mutations in the ABCC6 gene. We examined clinically 29 Chinese PXE patients from unrelated families, so far the largest cohort of Asian PXE patients. In a subset of 22 patients, we sequenced ABCC6 and another candidate gene, ENPP1, and conducted pathogenicity analyses for each variant. We identified a total of 17 distinct mutations in ABCC6, 15 of them being, to our knowledge, previously unreported, including 5 frameshift and 10 missense variants. In addition, a missense mutation in combination with a recurrent nonsense mutation in ENPP1 was …
Aquaporin 1 And 5 Expression Decreases During Human Intervertebral Disc Degeneration: Novel Hif-1-Mediated Regulation Of Aquaporins In Np Cells., Zariel I Johnson, Shilpa S Gogate, Rebecca Day, Abbie Binch, Dessislava Z Markova, Neil Chiverton, Ashley Cole, Matt Conner, Irving Shapiro, Christine L Le Maitre, Makarand V Risbud
Aquaporin 1 And 5 Expression Decreases During Human Intervertebral Disc Degeneration: Novel Hif-1-Mediated Regulation Of Aquaporins In Np Cells., Zariel I Johnson, Shilpa S Gogate, Rebecca Day, Abbie Binch, Dessislava Z Markova, Neil Chiverton, Ashley Cole, Matt Conner, Irving Shapiro, Christine L Le Maitre, Makarand V Risbud
Department of Orthopaedic Surgery Faculty Papers
Objectives of this study were to investigate whether AQP1 and AQP5 expression is altered during intervertebral disc degeneration and if hypoxia and HIF-1 regulate their expression in NP cells. AQP expression was measured in human tissues from different degenerative grades; regulation by hypoxia and HIF-1 was studied using promoter analysis and gain- and loss-of-function experiments. We show that both AQPs are expressed in the disc and that mRNA and protein levels decline with human disease severity. Bioinformatic analyses of AQP promoters showed multiple evolutionarily conserved HREs. Surprisingly, hypoxia failed to induce promoter activity or expression of either AQP. While genomic …
Percutaneous Ultrasonic Debridement Of Tendinopathy—A Pilot Achilles Rabbit Model, Srinath Kamineni, Timothy Butterfield, Anthony Sinai
Percutaneous Ultrasonic Debridement Of Tendinopathy—A Pilot Achilles Rabbit Model, Srinath Kamineni, Timothy Butterfield, Anthony Sinai
Orthopaedic Surgery and Sports Medicine Faculty Publications
BACKGROUND: Tendinopathy is a common clinical pathology, with mixed treatment results, especially when chronic. In this study, we examine the effects of an ultrasonic debridement modality in a rabbit tendinopathy model. We asked four questions: (1) Was it possible to create and visualize with ultrasound a tendinopathy lesion in a rabbit Achilles tendon? (2) Was it possible to guide a 19-gauge ultrasonic probe into the tendinopathy lesion? (3) Following ultrasonic treatment, was tendinopathy debris histologically present? and (4) Was the collagen profile qualitatively and quantitatively normalized following treatment?
METHODS: Skeletally mature female New Zealand white rabbits (n = 12) …
Ferritin Levels In The Cerebrospinal Fluid Predict Alzheimer's Disease Outcomes And Are Regulated By Apoe, Scott Ayton, Noel G. Faux, Ashley I. Bush, Charles D. Smith, Greg A. Jicha, Peter A. Hardy, Partha Sinha, Elizabeth Oates, Gary Conrad, Alzheimer's Disease Neuroimaging Initiative
Ferritin Levels In The Cerebrospinal Fluid Predict Alzheimer's Disease Outcomes And Are Regulated By Apoe, Scott Ayton, Noel G. Faux, Ashley I. Bush, Charles D. Smith, Greg A. Jicha, Peter A. Hardy, Partha Sinha, Elizabeth Oates, Gary Conrad, Alzheimer's Disease Neuroimaging Initiative
Neurology Faculty Publications
Brain iron elevation is implicated in Alzheimer's disease (AD) pathogenesis, but the impact of iron on disease outcomes has not been previously explored in a longitudinal study. Ferritin is the major iron storage protein of the body; by using cerebrospinal fluid (CSF) levels of ferritin as an index, we explored whether brain iron status impacts longitudinal outcomes in the Alzheimer's Disease Neuroimaging Initiative (ADNI) cohort. We show that baseline CSF ferritin levels were negatively associated with cognitive performance over 7 years in 91 cognitively normal, 144 mild cognitive impairment (MCI) and 67 AD subjects, and predicted MCI conversion to AD. …
The Endogenous Cell-Fate Factor Dachshund Restrains Prostate Epithelial Cell Migration Via Repression Of Cytokine Secretion Via A Cxcl Signaling Module., Ke Chen, Kongming Wu, Xuanmao Jiao, Liping Wang, Xiaoming Ju, Min Wang, Gabriele Disante, Shaohua Xu, Qiong Wang, Kevin Li, Xin Sun, Chongwen Xu, Zhiping Li, Mathew C. Casimiro, Adam Ertel, Sankar Addya, Peter Mccue, Michael P. Lisanti, Chenguang Wang, Richard J. Davis, Graeme Mardon, Richard Pestell
The Endogenous Cell-Fate Factor Dachshund Restrains Prostate Epithelial Cell Migration Via Repression Of Cytokine Secretion Via A Cxcl Signaling Module., Ke Chen, Kongming Wu, Xuanmao Jiao, Liping Wang, Xiaoming Ju, Min Wang, Gabriele Disante, Shaohua Xu, Qiong Wang, Kevin Li, Xin Sun, Chongwen Xu, Zhiping Li, Mathew C. Casimiro, Adam Ertel, Sankar Addya, Peter Mccue, Michael P. Lisanti, Chenguang Wang, Richard J. Davis, Graeme Mardon, Richard Pestell
Department of Cancer Biology Faculty Papers
Prostate cancer is the second leading form of cancer-related death in men. In a subset of prostate cancer patients, increased chemokine signaling IL8 and IL6 correlates with castrate-resistant prostate cancer (CRPC). IL8 and IL6 are produced by prostate epithelial cells and promote prostate cancer cell invasion; however, the mechanisms restraining prostate epithelial cell cytokine secretion are poorly understood. Herein, the cell-fate determinant factor DACH1 inhibited CRPC tumor growth in mice. Using Dach1(fl/fl)/Probasin-Cre bitransgenic mice, we show IL8 and IL6 secretion was altered by approximately 1,000-fold by endogenous Dach1. Endogenous Dach1 is shown to serve as a key endogenous restraint to …
Prospective Study Of Recovery From Copperhead Snake Envenomation: An Observational Study, Eric J. Lavonas, Charles J. Gerardo, Rebecca C. Bowers, Joann Short, Copperhead Snakebite Recovery Outcome Group
Prospective Study Of Recovery From Copperhead Snake Envenomation: An Observational Study, Eric J. Lavonas, Charles J. Gerardo, Rebecca C. Bowers, Joann Short, Copperhead Snakebite Recovery Outcome Group
Emergency Medicine Faculty Publications
BACKGROUND: Although much is known about signs, symptoms, and management in the acute phase of crotaline snake envenomation, little is known about signs, symptoms, function, and quality of life during the recovery phase. The purpose of this observational pilot investigation is to evaluate the utility of several clinical outcome instruments in the setting of copperhead snakebite, and to characterize the clinical course of recovery.
METHODS: This is a multi-center prospective, open-label, observational study of patients envenomated by copperhead snakes. We administered the Disabilities of the Arm, Shoulder, and Hand (DASH), Lower Extremity Functional Scale (LEFS), Patient-Specific Functional Scale …
A Novel Role For Drebrin In Regulating Progranulin Bioactivity In Bladder Cancer., Shi-Qiong Xu, Simone Buraschi, Alaide Morcavallo, Marco Genua, Tomoaki Shirao, Stephen C Peiper, Leonard G Gomella, Ruth Birbe, Antonino Belfiore, Renato V Iozzo, Andrea Morrione
A Novel Role For Drebrin In Regulating Progranulin Bioactivity In Bladder Cancer., Shi-Qiong Xu, Simone Buraschi, Alaide Morcavallo, Marco Genua, Tomoaki Shirao, Stephen C Peiper, Leonard G Gomella, Ruth Birbe, Antonino Belfiore, Renato V Iozzo, Andrea Morrione
Department of Urology Faculty Papers
We recently established a critical role for the growth factor progranulin in bladder cancer insofar as progranulin promotes urothelial cancer cell motility and contributes, as an autocrine growth factor, to the transformed phenotype by modulating invasion and anchorage-independent growth. In addition, progranulin expression is upregulated in invasive bladder cancer tissues compared to normal controls. However, the molecular mechanisms of progranulin action in bladder cancer have not been fully elucidated. In this study, we searched for novel progranulin-interacting proteins using pull-down assays with recombinant progranulin and proteomics. We discovered that drebrin, an F-actin binding protein, bound progranulin in urothelial cancer cells. …
The Medical Response To The Black Death, Joseph A. Legan
The Medical Response To The Black Death, Joseph A. Legan
Senior Honors Projects, 2010-2019
This paper discusses the medical response to the Black Death in both Europe and the Middle East. The Black Death was caused by a series of bacterial strands collectively known as Yersinia pestis. The Plague originated in the Mongolian Steppes. It was spread westward by the east-west trading system. Once it arrived in the Crimea in 1346, Italian merchants helped spread it throughout the Mediterranean. Medicine in Europe and the Middle East were centered on Galen’s theory of humors. There were many religious explanations for the Plague, but the main medical explanation was the spread of bad air, or …
Cerium Oxide Nanoparticles Inhibit Lipopolysaccharide Inducedmap Kinase/Nf-Kb Mediated Severe Sepsis, Mani Maheshwari, Nandini Manne Phd, Shinichi Asano, Eric Blough, Kevin M. Rice, Niraj Nepa,, Erin Fankhanel
Cerium Oxide Nanoparticles Inhibit Lipopolysaccharide Inducedmap Kinase/Nf-Kb Mediated Severe Sepsis, Mani Maheshwari, Nandini Manne Phd, Shinichi Asano, Eric Blough, Kevin M. Rice, Niraj Nepa,, Erin Fankhanel
Pharmaceutical Science and Research
The life threatening disease of sepsis is associated with high mortality. Septic patient survivability with currently available treatments has failed to improve. The purpose of this study was to evaluate whether lipopolysaccharide (LPS) induced sepsis mortality and associated hepatic dysfunction can be prevented by cerium oxide nanoparticles (CeO2NPs) treatment in male Sprague Dawley rats. Here we provide the information about the methods processing of raw data related to our study published in Biomaterials (Selvaraj et al., Biomaterials, 2015, In press) and Data in Brief (Selvaraj et al., Data in Brief, 2015, In Press). The data present here provides confirmation …