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Articles 1 - 30 of 144
Full-Text Articles in Entire DC Network
The Role Of Gtp In Transient Splitting Of 70s Ribosomes By Rrf (Ribosome Recycling Factor) And Ef-G (Elongation Factor G)., Go Hirokawa, Nobuhiro Iwakura, Akira Kaji, Hideko Kaji
The Role Of Gtp In Transient Splitting Of 70s Ribosomes By Rrf (Ribosome Recycling Factor) And Ef-G (Elongation Factor G)., Go Hirokawa, Nobuhiro Iwakura, Akira Kaji, Hideko Kaji
Department of Biochemistry and Molecular Biology Faculty Papers
Ribosome recycling factor (RRF), elongation factor G (EF-G) and GTP split 70S ribosomes into subunits. Here, we demonstrated that the splitting was transient and the exhaustion of GTP resulted in re-association of the split subunits into 70S ribosomes unless IF3 (initiation factor 3) was present. However, the splitting was observed with sucrose density gradient centrifugation (SDGC) without IF3 if RRF, EF-G and GTP were present in the SDGC buffer. The splitting of 70S ribosomes causes the decrease of light scattering by ribosomes. Kinetic constants obtained from the light scattering studies are sufficient to account for the splitting of 70S ribosomes …
Intracerebral Hemorrhage For The Palliative Care Provider: What You Need To Know., B Brent Simmons, Susan M Parks
Intracerebral Hemorrhage For The Palliative Care Provider: What You Need To Know., B Brent Simmons, Susan M Parks
Department of Family & Community Medicine Faculty Papers
Intracerebral hemorrhage (ICH) makes up 10%-30% of all strokes. Palliative care providers are often asked to get involved with ICH cases to aid with development of short-term and long-term goals. Prognosis can be calculated using the ICH score (based on Glasgow Coma Score score, ICH volume, presence of intraventricular hemorrhage, age, and location of origin) or the Essen score (based on age, NIH Stroke Scale [NIHSS], and level of consciousness). Do-not-resuscitate (DNR) status is important to discuss with families. Expert consensus states DNR is appropriate if the patient has two of the following: severe stroke, life-threatening brain damage, or significant …
In Vivo Trafficking Of Endogenous Opioid Receptors, Yulin Wang, Elisabeth J. Van Bockstaele, Lee-Yuan Liu-Chen
In Vivo Trafficking Of Endogenous Opioid Receptors, Yulin Wang, Elisabeth J. Van Bockstaele, Lee-Yuan Liu-Chen
Department of Neurosurgery Faculty Papers
Studies on trafficking of endogenous opioid receptors in vivo are subject of the present review. In many of the in vivo studies, the use of semi-quantitative immuno-electron microscopy is the approach of choice. Endogenous opioid receptors display differential subcellular distributions with μ opioid receptor (MOPR) being mostly present on the plasma membrane and δ- and κ-opioid receptors (DOPR and KOPR, respectively) having a significant intracellular pool. Etorphine and DAMGO cause endocytosis of the MOPR, but morphine does not, except in some dendrites. Interestingly, chronic inflammatory pain and morphine treatment promote trafficking of intracellular DOPR to the cell surface which may …
Caveolin-1, Tgf-Β Receptor Internalization, And The Pathogenesis Of Systemic Sclerosis, Francesco Del Galdo, Michael P. Lisanti, Sergio A. Jimenez
Caveolin-1, Tgf-Β Receptor Internalization, And The Pathogenesis Of Systemic Sclerosis, Francesco Del Galdo, Michael P. Lisanti, Sergio A. Jimenez
Jefferson Institute of Molecular Medicine Papers and Presentations
PURPOSE OF REVIEW: To review the scientific literature supporting the participation of caveolin-1 in the pathogenesis of tissue fibrosis and the notion that modulation of the caveolin-1 pathway may represent a novel treatment for systemic sclerosis and other fibrotic diseases.
RECENT FINDINGS: Caveolin-1 plays an important role in the regulation of transforming growth factor-beta (TGF-beta) signaling owing to its participation in TGF-beta receptor internalization. TGF-beta receptor internalized through caveolin-1 lipid rafts undergoes rapid degradation, effectively decreasing TGF-beta signaling. Studies have shown that caveolin-1 knockdown in vitro markedly increased collagen gene expression in normal human lung fibroblasts. Caveolin-1 was reduced in …
Angioedema After Local Trauma In A Patient On Angiotensin-Converting Enzyme Inhibitor Therapy, B. B. Simmons, Michelle A. Folsom, L.Eslie A. Bryden, James Studdiford
Angioedema After Local Trauma In A Patient On Angiotensin-Converting Enzyme Inhibitor Therapy, B. B. Simmons, Michelle A. Folsom, L.Eslie A. Bryden, James Studdiford
Department of Family & Community Medicine Faculty Papers
Angioedema is a side effect that is often associated with use of angiotensin converting enzyme inhibitor medications. These medications result in increased levels of circulating bradykinins. This case illustrates the result of a local traumatic event to the upper lip, presumably causing marked bradykinin release in a patient who was taking an ACE-inhibitor. The local release of bradykinin from trauma, in addition to decreased bradykinin catabolism secondary to ACE-inhibitor therapy resulted in angioedema predominantly in the upper lip. The angioedema resolved with discontinuation of the ACE-inhibitor.
Young Woman With Chronic Conversion Disorder With Dramatic Improvement In Upper Motor Neuron Type Syndromes Through The Use Of Electromyography (Emg) Triggered Biofeedback, Bruce H. Hsu, Md, Nethra S. Ankam, Md, Ralph J. Marino
Young Woman With Chronic Conversion Disorder With Dramatic Improvement In Upper Motor Neuron Type Syndromes Through The Use Of Electromyography (Emg) Triggered Biofeedback, Bruce H. Hsu, Md, Nethra S. Ankam, Md, Ralph J. Marino
Department of Rehabilitation Medicine Faculty Papers
Patient: 31 year old woman chronic flexion contracture of hand, prior history seizure disorder, chronic conversion disorder.
Program Description: Patient presented initially to neurology service with chronic right hand flexion contracture in the context of 3 days of weakness and numbness in lower extremities after exertion. MRI/MRA Brain, Head CT, CT of entire spine were all unrevealing. Patient was transferred to the rehabilitation unit 8 days after initial admission. On rehabilitation admission patient exam was noted to have right hand markedly flexed with pain to passive ranging out of extreme flexion, chronic in nature. Patient initially had her hand ranged …
The Value Of Intraoperative Examination Of Axillary Sentinel Nodes In Carcinoma Of The Breast., Gordon F. Schwartz, Lauren S. Krill, Juan P. Palazzo, Abhijit Dasgupta
The Value Of Intraoperative Examination Of Axillary Sentinel Nodes In Carcinoma Of The Breast., Gordon F. Schwartz, Lauren S. Krill, Juan P. Palazzo, Abhijit Dasgupta
Department of Pathology, Anatomy, and Cell Biology Faculty Papers
Abstract Axillary sentinel lymph node biopsy (SLNB) has become the standard of care for T1-2, N-0, M-0 carcinoma of the breast. However, the accuracy of frozen section in the intra-operative examination of sentinel nodes (SN) remains controversial. The senior author has championed the use of the intraoperative examination of SN by frozen section ex-amination from the inception of its use, and we present our experience with frozen section examination of SN, confirming that this technique is both practical and highly accurate. Materials & Methods: Between 2000 and 2007, 236 SLNB procedures were performed that were read as “fro-zen section negative.” …
Nurses Alumni Association Bulletin, Fall 2008, Paula Levine, Elizabeth K. Prisnock, Sally H. Wagner, John J. Wagner
Nurses Alumni Association Bulletin, Fall 2008, Paula Levine, Elizabeth K. Prisnock, Sally H. Wagner, John J. Wagner
Nursing Alumni Bulletins
Meetings and Annual Luncheon
Table of Contents
Officers for 2008-2009
President's Message
Treasurer's Financial Report
Alumni Scholarship Funds and Endowment Fund
Resume of Minutes
Alumni Office News
Committee Reports
Annual Giving Contributors
Janet C. Hindson Award
Award Qualifications
Janet C. Hindson Recipient and Nominees
Recipient's Acceptance Speech
Ode to Sally
Sally's Appreciation
News About and From Our Graduates
Happy Birthday
Interview with a Nurse
Memories
Fiftieth Anniversary Class
2008 Luncheon Attendees
Luncheon Photos
In Memoriam
Class News~ 2008
Additional Information
Application For Nurses Scholarship Fund Application
Application For Certification
Application For Relief Fund Benefits
Hotels
Campus Map
Notes
Predicting Length Of Treatment For Neonatal Abstinence Syndrome In Methadone-Exposed Neonates., Neil S. Seligman, Nicole Salva, Edward J. Hayes, Kevin C. Dysart, Edward C. Pequignot, Jason K. Baxter
Predicting Length Of Treatment For Neonatal Abstinence Syndrome In Methadone-Exposed Neonates., Neil S. Seligman, Nicole Salva, Edward J. Hayes, Kevin C. Dysart, Edward C. Pequignot, Jason K. Baxter
Department of Obstetrics and Gynecology Faculty Papers
OBJECTIVE: The objective of the study was to identify maternal variables predicting length of treatment for neonatal abstinence syndrome (NAS).
STUDY DESIGN: This was a retrospective cohort study of infants treated for NAS during 2000-2006 whose mothers were on methadone maintenance at delivery. Mixed-effects linear regression was used to examine the interaction of maternal and neonatal variables with length of treatment.
RESULTS: Of 204 neonates born to methadone exposed mothers, the average dose at delivery was 127 mg daily (25-340 mg) with median length of treatment 32 days (1-122 days). Trimester of initial exposure (P = .33), methadone dose at …
Deletion Of Gsk-3beta In Mice Leads To Hypertrophic Cardiomyopathy Secondary To Cardiomyoblast Hyperproliferation., Risto Kerkela, Lisa Kockeritz, Katrina Macaulay, Jibin Zhou, Bradley W. Doble, Cara Beahm, Sarah Greytak, Kathleen Woulfe, Chinmay M. Trivedi, James R. Woodgett, Jonathan A. Epstein, Thomas Force, Gordon S. Huggins
Deletion Of Gsk-3beta In Mice Leads To Hypertrophic Cardiomyopathy Secondary To Cardiomyoblast Hyperproliferation., Risto Kerkela, Lisa Kockeritz, Katrina Macaulay, Jibin Zhou, Bradley W. Doble, Cara Beahm, Sarah Greytak, Kathleen Woulfe, Chinmay M. Trivedi, James R. Woodgett, Jonathan A. Epstein, Thomas Force, Gordon S. Huggins
Center for Translational Medicine Faculty Papers
Based on extensive preclinical data, glycogen synthase kinase-3 (GSK-3) has been proposed to be a viable drug target for a wide variety of disease states, ranging from diabetes to bipolar disorder. Since these new drugs, which will be more powerful GSK-3 inhibitors than lithium, may potentially be given to women of childbearing potential, and since it has controversially been suggested that lithium therapy might be linked to congenital cardiac defects, we asked whether GSK-3 family members are required for normal heart development in mice. We report that terminal cardiomyocyte differentiation was substantially blunted in Gsk3b(-/-) embryoid bodies. While GSK-3alpha-deficient mice …
Phosphatidylserine-Positive Erythrocytes Bind To Immobilized And Soluble Thrombospondin-1 Via Its Heparin-Binding Domain, Suhita G. Betal, Yamaja Setty
Phosphatidylserine-Positive Erythrocytes Bind To Immobilized And Soluble Thrombospondin-1 Via Its Heparin-Binding Domain, Suhita G. Betal, Yamaja Setty
Department of Pediatrics Faculty Papers
Phosphatidylserine (PS)-dependent erythrocyte adhesion to endothelium and sub-endothelial matrix components is mediated in part via thrombospondin (TSP). While TSP exhibits multiple cell-binding domains, the PS-binding site on TSP is unknown. Since a cell-binding domain for anionic heparin is located at the amino-terminus, we hypothesized that PS-positive red cells (PS+ve-RBCs) bind to this domain. We demonstrate that both heparin and its low-molecular-weight derivative enoxaparin (0.5-50u/ml) inhibited PS+ve-RBC adhesion to immobilized TSP in a concentration-dependent manner (21-77% inhibition, P<0.05). Pre-incubation of immobilized TSP with an antibody against the heparin-binding domain blocked PS+ve-RBC adhesion to TSP. Antibodies that recognize the collagen- and the carboxy-terminal CD47-binding domain on TSP had no effect on this process. While pre-incubation of PS+ve-RBCs with TSP-peptides from the heparin-binding domain containing the specific heparin-binding motif KKTRG inhibited PS+ve-erythrocyte adhesion to matrix TSP (P<0.001), these peptides in the immobilized form supported PS-mediated erythrocyte adhesion. A TSP-peptide lacking the binding-motif neither inhibited nor supported PS+ve-RBC adhesion. Additional experiments show that soluble-TSP also interacted with PS+ve-RBCs via its heparin-binding domain. Our results demonstrate that PS-positive erythrocytes bind to both immobilized and soluble TSP via its heparin-binding domain and that both heparin and enoxaparin, at clinically relevant concentrations, block this interaction. Other studies have shown that heparin inhibited P-selectin- and soluble-TSP-mediated sickle erythrocyte adhesion to endothelial cells. Our results taken together with the previously documented findings provide a rational basis for clinical use of heparin or its low-molecular-weight derivatives as therapeutic agents in treating vaso-occlusive pain in patients with sickle cell disease.
Increasing Appropriateness Of Hospital Admissions In The Emilia-Romagna Region Of Italy., Daniel Louis, Francesco Taroni, Rita Melotti, Carol Rabinowitz, Maria Vizioli, Monica Fiorini, Joseph Gonnella
Increasing Appropriateness Of Hospital Admissions In The Emilia-Romagna Region Of Italy., Daniel Louis, Francesco Taroni, Rita Melotti, Carol Rabinowitz, Maria Vizioli, Monica Fiorini, Joseph Gonnella
Department of Family & Community Medicine Faculty Papers
OBJECTIVES: The Emilia-Romagna region of Italy has reduced the number of available hospital beds and introduced financial incentives to curb hospital use. The goal of this study was to assess the impact of these policies on changes over time in the number of acute hospital admissions classified in diagnosis related groups (DRGs) that could be treated safely and effectively in alternative, less costly settings.
METHODS: The assessment of the appropriate site of care was based on analysis of hospital discharge data for all hospitals for the selected diagnosis related groups in the Emilia-Romagna region for 2001 to 2005. The necessity …
Immune Evasion By Rabies Viruses Through The Maintenance Of Blood-Brain Barrier Integrity., Anirban Roy, Douglas C. Hooper
Immune Evasion By Rabies Viruses Through The Maintenance Of Blood-Brain Barrier Integrity., Anirban Roy, Douglas C. Hooper
Department of Cancer Biology Faculty Papers
The attenuated rabies virus (RV) strain Challenge Virus Standard (CVS)-F3 and a highly pathogenic strain associated with the silver-haired bats (SHBRV) can both be cleared from the central nervous system (CNS) tissues by appropriate antiviral immune mechanisms if the effectors are provided access across the blood-brain barrier (BBB). In the case of SHBRV infection, antiviral immunity develops normally in the periphery but fails to open the BBB, generally resulting in a lethal outcome. To determine whether or not an absence in the CNS targeted immune response is associated with the infection with other pathogenic RV strains, we have assessed the …
Jefferson Alumni Bulletin – Volume 57, Number 4, Fall 2008
Jefferson Alumni Bulletin – Volume 57, Number 4, Fall 2008
The Bulletin (formerly the Jefferson Medical College Alumni Bulletin)
Jefferson Alumni Bulletin – Volume 57, Number 4, Fall 2008
Dean’s Column; Page 2
New Dean Announcement; Page 3
Findings: Researchers Show Antibody to Breast Cancer-Secreted Protein Blocks Metastasis, Chinese Food Good for Your Heart; Page 4
Medical Education Today; Page 6
Moving Forward with Interprofessional Education; Page 12
On Campus; Page 14
Class Notes; Page 22
In Memoriam; Page 22
Giving; Page 24
By the Numbers; Page 37
Jefferson Review - Fall 2008
Jefferson Review
Contents
Features
- 3 - Margaret Fetsko Herbut Nursing Scholarship
- 4 - Mentorship Has Mutual Benefits
- 8 - Reflections on Practicum
- 10 - The Jefferson-AOTA Connection
- 12 - What's New in Interprofessional Education
- 14 - Profiles: Carrie Kimball and Marlene Weiner
- 23 - Commencement '08
- 24 - Alumni Board Membership Initiative
- 25 - Alumni Family and Friends Day
On Campus
- 16 - Bioscience Technologies
- 16 - CARAH
- 17 - Nursing
- 19 - Occupational Therapy
- 20 - Pharmacy
- 21 - Physical Therapy
- 21 - Radiologic Sciences
- 24 - Class Notes
Heme Induces Endothelial Tissue Factor Expression: Potential Role In Hemostatic Activation In Patients With Hemolytic Anemia, Yamaja Setty, Suhita G. Betal, Jie Zhang, Marie J. Stuart
Heme Induces Endothelial Tissue Factor Expression: Potential Role In Hemostatic Activation In Patients With Hemolytic Anemia, Yamaja Setty, Suhita G. Betal, Jie Zhang, Marie J. Stuart
Department of Pediatrics Faculty Papers
Objectives: We explored the possibility that heme, an inflammatory mediator and a product of intravascular hemolysis in patients with hemolytic anemia including sickle cell disease, could modulate hemostasis by an effect on endothelial tissue factor (TF) expression.
Methods: Levels of TF mRNA, protein and procoagulant activity were measured in heme-treated endothelial cells. Results: Heme induces TF expression on the surface of both macrovascular and microvascular endothelial cells in a concentration-dependent manner, with 12-fold to 50-fold induction being noted (enzyme-linked immunosorbent assay) between 1 and 100 μm heme (P < 0.05). Complementary flow cytometry studies showed that the heme-mediated endothelial TF expression was quantitatively similar to that of tumor necrosis factor-alpha (TNF-α). Heme also upregulated the expression of TF mRNA (8-fold to 26-fold), protein (20-fold to 39-fold) and procoagulant activity (5-fold to 13-fold) in endothelial cells in a time-dependent manner. The time-course of heme-mediated TF antigen expression paralleled the induction of procoagulant activity, with antibody blocking studies demonstrating specificity for TF protein. Interleukin (IL)-1α, and TNF-α are not involved in mediating the heme effect, as antibodies against these cytokines and IL-1-receptor antagonist failed to block heme-induced TF expression. Inhibition of heme-induced TF mRNA expression by sulfasalazine and curcumin suggested that the transcription factor nuclear factor kappaB is involved in mediating heme-induced TF expression in endothelial cells.
Conclusions: Our results demonstrate that heme induces TF expression by directly activating …
Sensitivity Of The Human Circadian System To Short Wavelength (420 Nm) Light, George C. Brainard, David Silney, John P. Hanifin, Gena Glickman, Brenda Byrne, Jeffrey M. Greeson, Samar Jasser, Edward Gerner, Mark D. Rollag
Sensitivity Of The Human Circadian System To Short Wavelength (420 Nm) Light, George C. Brainard, David Silney, John P. Hanifin, Gena Glickman, Brenda Byrne, Jeffrey M. Greeson, Samar Jasser, Edward Gerner, Mark D. Rollag
Department of Neurology Faculty Papers
The circadian and neurobehavioral effects of light are primarily mediated by a retinal ganglion cell photoreceptor in the mammalian eye containing the photopigment, melanopsin. Nine action spectrum studies using rodents, monkeys, and human for these responses indicate peak sensitivities in the blue region of the visible spectrum ranging from 459 nm to 484 nm, with some disagreement in short wavelength sensitivity of the spectrum. The aim of this work was to quantify the sensitivity of human volunteers to monochromatic 420 nm light for plasma melatonin suppression. Adult female (N=14) and male (N=12) subjects participated in two studies, each employing a …
Molecular Processes That Handle — And Mishandle — Dietary Lipids, Kevin Jon Williams
Molecular Processes That Handle — And Mishandle — Dietary Lipids, Kevin Jon Williams
Department of Medicine Faculty Papers
Overconsumption of lipid-rich diets, in conjunction with physical inactivity, disables and kills staggering numbers of people worldwide. Recent advances in our molecular understanding of cholesterol and triglyceride transport from the small intestine to the rest of the body provide a detailed picture of the fed/fasted and active/sedentary states. Key surprises include the unexpected nature of many pivotal molecular mediators, as well as their dysregulation — but possible reversibility — in obesity, diabetes, inactivity, and related conditions. These mechanistic insights provide new opportunities to correct dyslipoproteinemia, accelerated atherosclerosis, insulin resistance, and other deadly sequelae of overnutrition and underexertion.
The Cytoplasmic Tail Of The Rabies Virus G Protein Is An Essential Domain Controlling Death/Survival In Human Neuronal Cells, Christophe Prehaud, Mireille Lafage, Gene S. Tan, Françoise Mégret, Pauline Ménager, Matthias Schnell, Henri Buc, Monique Lafon
The Cytoplasmic Tail Of The Rabies Virus G Protein Is An Essential Domain Controlling Death/Survival In Human Neuronal Cells, Christophe Prehaud, Mireille Lafage, Gene S. Tan, Françoise Mégret, Pauline Ménager, Matthias Schnell, Henri Buc, Monique Lafon
Department of Microbiology and Immunology Faculty Papers
Poster presentation.
Atypical Onset As Predictor Of Poor Outcome In Pediatric Systemic Lupus Erythematosus (Psle), A Taddio, E Rossetto, L Lepore, A C. Brescia, C Bracaglia, S Caminiti, E Cortis, D Rigante, A Stabile, M Montico, L Ronfani, C D. Rosé
Atypical Onset As Predictor Of Poor Outcome In Pediatric Systemic Lupus Erythematosus (Psle), A Taddio, E Rossetto, L Lepore, A C. Brescia, C Bracaglia, S Caminiti, E Cortis, D Rigante, A Stabile, M Montico, L Ronfani, C D. Rosé
Department of Pediatrics Faculty Papers
Poster Presentation.
Intravenous Inoculation Of Silver-Haired Bat Rabies Virus, But Not Of A Canine Strain, Elicits Lethal Encephalophathy In Mice By Fast Brain Invasion Via Neurosecretory Hypothalamic Fibers, Mirjam Ar Preuss, Marie-Luise Faber, Gene S. Tan, Bernhard Dietzschold, Matthias J. Schnell, Eberhard Weihe
Intravenous Inoculation Of Silver-Haired Bat Rabies Virus, But Not Of A Canine Strain, Elicits Lethal Encephalophathy In Mice By Fast Brain Invasion Via Neurosecretory Hypothalamic Fibers, Mirjam Ar Preuss, Marie-Luise Faber, Gene S. Tan, Bernhard Dietzschold, Matthias J. Schnell, Eberhard Weihe
Department of Microbiology and Immunology Faculty Papers
No abstract provided.
Presence Of Endometrial Adenocarcinoma In Situ In Complex Atypical Endometrial Hyperplasia Is Associated With Increased Incidence Of Endometrial Carcinoma In Subsequent Hysterectomy., Khush Mittal, Matjaz Sebenik, Cybil Irwin, Zhijije Yan, Dorota Popiolek, John Curtin, Juan Palazzo
Presence Of Endometrial Adenocarcinoma In Situ In Complex Atypical Endometrial Hyperplasia Is Associated With Increased Incidence Of Endometrial Carcinoma In Subsequent Hysterectomy., Khush Mittal, Matjaz Sebenik, Cybil Irwin, Zhijije Yan, Dorota Popiolek, John Curtin, Juan Palazzo
Department of Pathology, Anatomy, and Cell Biology Faculty Papers
The distinction of complex atypical endometrial hyperplasia from endometrial adenocarcinoma is often problematic. Foci of back-to-back arrangement of glands or foci of cribriform arrangement of glands smaller than 2.1 mm in diameter are considered insufficient for the diagnosis of endometrial adenocarcinoma by some authors, and sufficient to be diagnosed as endometrial adenocarcinoma by other authors. We refer to these foci as endometrial adenocarcinoma in situ. In this study, we evaluated findings in subsequent hysterectomy in complex atypical endometrial hyperplasia patients with and without adenocarcinoma in situ. Follow-up findings, including the presence or absence of endometrial adenocarcinoma in the hysterectomy specimen, …
Decreased Expression Of Caveolin 1 In Patients With Systemic Sclerosis: Crucial Role In The Pathogenesis Of Tissue Fibrosis., Francesco Del Galdo, Federica Sotgia, Cecilia J. De Almeida, Jean-Francois Jasmin, Megan Musick, Michael P. Lisanti, Sergio A. Jimenez
Decreased Expression Of Caveolin 1 In Patients With Systemic Sclerosis: Crucial Role In The Pathogenesis Of Tissue Fibrosis., Francesco Del Galdo, Federica Sotgia, Cecilia J. De Almeida, Jean-Francois Jasmin, Megan Musick, Michael P. Lisanti, Sergio A. Jimenez
Department of Medicine Faculty Papers
OBJECTIVE: Recent studies have implicated caveolin 1 in the regulation of transforming growth factor beta (TGFbeta) downstream signaling. Given the crucial role of TGFbeta in the pathogenesis of systemic sclerosis (SSc), we sought to determine whether caveolin 1 is also involved in the pathogenesis of tissue fibrosis in SSc. We analyzed the expression of CAV1 in affected SSc tissues, studied the effects of lack of expression of CAV1 in vitro and in vivo, and analyzed the effects of restoration of caveolin 1 function on the fibrotic phenotype of SSc fibroblasts in vitro.
METHODS: CAV1 expression in tissues was analyzed by …
An Approach To The Failed Ankle Arthrodesis, Steven M. Raikin, Venkat Rampuri
An Approach To The Failed Ankle Arthrodesis, Steven M. Raikin, Venkat Rampuri
Department of Orthopaedic Surgery Faculty Papers
Ankle arthrodesis remains the gold standard of surgical treatment for advanced ankle joint arthritis. Failure can occur as a result of infection, nonunion or malunion, resulting in pain and poor function. This paper offers a systematic approach to preventing, and managing these problems should they occur. Revision arthrodesis performed with a detailed understanding of the appropriate alignment and mechanics of the ankle joint, combined with meticulous attention to understanding and reversing the cause of the failure can result in successful salvage and restoration of function.
Overexpression Of Matrix Metalloproteinase 9 In Tumor Epithelial Cells Correlates With Colorectal Cancer Metastasis., David S Zuzga, Ahmara Vivian Gibbons, Peng Li, Wilhelm Johannes Lubbe, Inna Chervoneva, Giovanni Mario Pitari
Overexpression Of Matrix Metalloproteinase 9 In Tumor Epithelial Cells Correlates With Colorectal Cancer Metastasis., David S Zuzga, Ahmara Vivian Gibbons, Peng Li, Wilhelm Johannes Lubbe, Inna Chervoneva, Giovanni Mario Pitari
Department of Pharmacology and Experimental Therapeutics Faculty Papers
Colorectal cancer mortality largely reflects metastasis, the spread of the disease to distant organs. Matrix metalloproteinase 9 (MMP-9) is a key regulator of metastasis and a target for anticancer strategies in colon cancer. Here, the overexpression of MMP-9 in pure tumor epithelial, but nor stromal, cell populations was associated with metastatic progression of colorectal cancer, as defined by reverse transcriptase-polymerase chain reaction (qRT-PCR) and confirmed by immunostaining. Thus, cancer cell MMP-9 represents a novel, selective prognostic and predictive factor that may be exploited for more effective disease stage stratification and therapeutic regimen selection in patients with colorectal cancer.
Freedom For The Bulgarian Nurses And A Palestinian Doctor., Lawrence Parish
Freedom For The Bulgarian Nurses And A Palestinian Doctor., Lawrence Parish
Department of Dermatology and Cutaneous Biology Faculty Papers
On July 24, 2007, the five Bulgarian nurses and the Palestinian, unjustly accused of infecting Libyan children with the AIDS virus, were freed by the Libyan government. They had spent a tumultuous seven years in prison, much of the time on death row, having been accused of injecting the children with tainted blood they had brought with them. This was not only preposterous but also an impossibility as the particular strain of the AIDS virus had been found in Libya, two years prior. [1]
Complete Resolution Of Gastric Amyloidosis After Autologous Stem Cell Transplantation., Dinu Cherian, Kristin Braun, Neal Flomenberg, Juan P. Palazzo, David Kastenberg
Complete Resolution Of Gastric Amyloidosis After Autologous Stem Cell Transplantation., Dinu Cherian, Kristin Braun, Neal Flomenberg, Juan P. Palazzo, David Kastenberg
Division of Gastroenterology and Hepatology Faculty Papers
A 48-year-old female with multiple myeloma (MM) and amyloidosis presented with massive upper gastrointestinal (GI) bleeding one week after autologous stem cell transplantation (autologous-SCT). Esophagogastroduodenoscopy (EGD) demonstrated necrotic, purple, pigmented, friable lesions throughout the stomach (Figure 1a), along with a bleeding ulcer in the cardia (Figure 1b, Video 1) which was successfully treated with epinephrine (1:10,000) injections. Biopsies demonstrated nodular amyloid deposition (Figures 2) which was Congo red positive. The patient had no further hematemesis and was discharged home 4 days later. Ten months after autologous-SCT, EGD revealed a normal stomach (Figure 3, Video 2) with …
Experimental Optic Neuritis Induced By A Demyelinating Strain Of Mouse Hepatitis Virus., Kenneth S. Shindler, Lawrence C. Kenyon, Mahasweta Dutt, Susan T. Hingley, Jayasri Das Sarma
Experimental Optic Neuritis Induced By A Demyelinating Strain Of Mouse Hepatitis Virus., Kenneth S. Shindler, Lawrence C. Kenyon, Mahasweta Dutt, Susan T. Hingley, Jayasri Das Sarma
Department of Neurology Faculty Papers
Optic neuritis (ON), an inflammatory demyelinating optic nerve disease, occurs in multiple sclerosis (MS). Pathological mechanisms and potential treatments for ON have been studied via experimental autoimmune MS models. However, evidence suggests that virus-induced inflammation is a likely etiology triggering MS and ON; experimental virus-induced ON models are therefore required. We demonstrate that MHV-A59, a mouse hepatitis virus (MHV) strain that causes brain and spinal cord inflammation and demyelination, induces ON by promoting mixed inflammatory cell infiltration. In contrast, MHV-2, a nondemyelinating MHV strain, does not induce ON. Results reveal a reproducible virus-induced ON model important for the evaluation of …
Domain-Oriented Reduction Of Rule-Based Network Models, Nikolay M. Borisov, Alexander S. Chistopolsky, James R. Faeder, Boris N. Kholodenko
Domain-Oriented Reduction Of Rule-Based Network Models, Nikolay M. Borisov, Alexander S. Chistopolsky, James R. Faeder, Boris N. Kholodenko
Department of Pathology, Anatomy, and Cell Biology Faculty Papers
The coupling of membrane-bound receptors to transcriptional regulators and other effector functions is mediated by multi-domain proteins that form complex assemblies. The modularity of protein interactions lends itself to a rule-based description, in which species and reactions are generated by rules that encode the necessary context for an interaction to occur, but also can produce a combinatorial explosion in the number of chemical species that make up the signaling network. We have shown previously that exact network reduction can be achieved using hierarchical control relationships between sites/domains on proteins to dissect multi-domain proteins into sets of non-interacting sites, allowing the …
The Dose-Response Of Nitrous Oxide In Postoperative Nausea In Patients Undergoing Gynecologic Laparoscopic Surgery: A Preliminary Study., Boris Mraovic, Tatjana Simurina, Zdenko Sonicki, Neven Skitarelic, Tong J. Gan
The Dose-Response Of Nitrous Oxide In Postoperative Nausea In Patients Undergoing Gynecologic Laparoscopic Surgery: A Preliminary Study., Boris Mraovic, Tatjana Simurina, Zdenko Sonicki, Neven Skitarelic, Tong J. Gan
Department of Anesthesiology Faculty Papers
BACKGROUND: Whether nitrous oxide (N(2)O) increases the incidence of postoperative nausea and vomiting (PONV) after laparoscopic gynecologic surgery is still controversial, which may be due to the administration of different concentrations of inspired N(2)O. We investigated whether N(2)O results in a dose-response increase in PONV. METHODS: Patients undergoing gynecologic laparoscopic surgery were randomized to receive 30% oxygen with air (G0, n = 46), 50% N(2)O with oxygen (G50, n = 46), or 70% N(2)O with oxygen (G70, n = 45). A standardized general anesthetic was used with no PONV prophylaxis. Known risk factors for PONV were controlled. Metoclopramide was used …