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Articles 1 - 14 of 14
Full-Text Articles in Medicine and Health Sciences
Up-Regulation Of Interferon-A/Apobec3g Signal Pathway Potently Inactivates Hiv-1 Infectivity In Resting Cd4-T Cells, Keyang Chen, Jialing Huang, Chune Zhang, Sophia Huang, Giuseppe Nunnari, Feng-Xiang Wang, Xiangrong Tong, Ling Gao, Kristi Nikisher, Hui Zhang
Up-Regulation Of Interferon-A/Apobec3g Signal Pathway Potently Inactivates Hiv-1 Infectivity In Resting Cd4-T Cells, Keyang Chen, Jialing Huang, Chune Zhang, Sophia Huang, Giuseppe Nunnari, Feng-Xiang Wang, Xiangrong Tong, Ling Gao, Kristi Nikisher, Hui Zhang
Department of Medicine Faculty Papers
Poster Presentation.
Chemoprevention Of Breast Cancer For Women At Hgh Risk, Kathryn Chan, Gloria J. Morris
Chemoprevention Of Breast Cancer For Women At Hgh Risk, Kathryn Chan, Gloria J. Morris
Department of Medicine Faculty Papers
Breast cancer remains the second most common cause of cancer death in the United States. Several studies have identified cohorts of women at higher than average risk to develop this disease. These are women who are exposed to high levels of endogenous or exogenous estrogens, those with a family history of breast cancer, and those who harbor benign breast disease or genetic mutations that predispose to breast cancer. In this population group, adapting a chemoprevention strategy to decrease the risk of developing overt disease is a strong consideration. To this end, tamoxifen is the most accepted agent to date. This …
Donor Tricuspid Annuloplasty During Orthotopic Heart Transplantation: Long-Term Results Of A Prospective Controlled Study, Valluvan Jeevanandum, Hyde Russell, Paul Mather, Satoshi Furukawa, Allen Anderson, Jaishankar Raman
Donor Tricuspid Annuloplasty During Orthotopic Heart Transplantation: Long-Term Results Of A Prospective Controlled Study, Valluvan Jeevanandum, Hyde Russell, Paul Mather, Satoshi Furukawa, Allen Anderson, Jaishankar Raman
Department of Medicine Faculty Papers
Background: Development of tricuspid regurgitation after orthotopic heart transplantation can cause heart failure along with renal and hepatic impairment and portends a poor prognosis. If tricuspid regurgitation causes significant symptoms, tricuspid valve repair or replacement is often required. This study was designed to study the effects of prophylactic tricuspid valve annuloplasty (TVA) during orthotopic heart transplantation on long-term survival, renal function, and amount of tricuspid regurgitation.
Methods: Between April 1997 and March 1998, 60 patients (aged 18 to 70 years; 22 female) randomly received either standard bicaval orthotopic heart transplantation (group STD; n = 30) or bicaval orthotopic …
Antimicrobial Effects Of Liquid Anesthetic Isoflurane On Candida Albicans, Viachaslau M. Barodka, Edward Acheampong, Garry Powell, Ludmilla Lobach, David A. Logan, Zahida Parveen, Valerie Armstead, Muhammad Mukhtar
Antimicrobial Effects Of Liquid Anesthetic Isoflurane On Candida Albicans, Viachaslau M. Barodka, Edward Acheampong, Garry Powell, Ludmilla Lobach, David A. Logan, Zahida Parveen, Valerie Armstead, Muhammad Mukhtar
Department of Medicine Faculty Papers
Candida albicans is a dimorphic fungus that can grow in yeast morphology or hyphal form depending on the surrounding environment. This ubiquitous fungus is present in skin and mucus membranes as a potential pathogen that under opportunistic conditions causes a series of systemic and superficial infections known as candidiasis, moniliasis or simply candidiasis. There has been a steady increase in the prevalence of candidiasis that is expressed in more virulent forms of infection. Although candidiasis is commonly manifested as mucocutaneous disease, life-threatening systemic invasion by this fungus can occur in every part of the body. The severity of candidal infections …
Hydroxyurea And Sickle Cell Anemia: Effect On Quality Of Life, Samir K. Ballas, Franca B. Barton, Myron K. Waclawiw, Paul Swerdlow, James R. Eckman, Charles H. Pegelow, Mabel Koshy, Bruce A. Barton, Duane R. Bonds
Hydroxyurea And Sickle Cell Anemia: Effect On Quality Of Life, Samir K. Ballas, Franca B. Barton, Myron K. Waclawiw, Paul Swerdlow, James R. Eckman, Charles H. Pegelow, Mabel Koshy, Bruce A. Barton, Duane R. Bonds
Department of Medicine Faculty Papers
Background: The Multicenter Study of Hydroxyurea (HU) in Sickle Cell Anemia (MSH) previously showed that daily oral HU reduces painful sickle cell (SS) crises by 50% in patients with moderate to severe disease. The morbidity associated with this disease is known to have serious negative impact on the overall quality of life(QOL) of affected individuals.
Methods: The data in this report were collected from the 299 patients enrolled in the MSH. Health quality of life (HQOL) measures were assessed in the MSH as a secondary endpoint to determine if the clinical benefit of HU could translate into a measurable benefit …
Case Report: Sigmoid Schwannoma As The Lead Point For Intussusception In An Adult Patient With Neurofibromatosis, Roger Coron, Herve Boucard, Robert Richards
Case Report: Sigmoid Schwannoma As The Lead Point For Intussusception In An Adult Patient With Neurofibromatosis, Roger Coron, Herve Boucard, Robert Richards
Department of Medicine Faculty Papers
No abstract available.
Alpha Interferon Potently Enhances The Anti-Human Immunodeficiency Virus Type 1 Activity Of Apobec3g In Resting Primary Cd4 T Cells, Keyang Chen, Jialing Huang, Chune Zhang, Sophia Huang, Guiseppe Nunnari, Feng-Xiang Wang, Xiangrong Tong, Ling Gao, Kristi Nikisher, Hui Zhang
Alpha Interferon Potently Enhances The Anti-Human Immunodeficiency Virus Type 1 Activity Of Apobec3g In Resting Primary Cd4 T Cells, Keyang Chen, Jialing Huang, Chune Zhang, Sophia Huang, Guiseppe Nunnari, Feng-Xiang Wang, Xiangrong Tong, Ling Gao, Kristi Nikisher, Hui Zhang
Department of Medicine Faculty Papers
The interferon (IFN) system, including various IFNs and IFN-inducible gene products, is well known for its potent innate immunity against wide-range viruses. Recently, a family of cytidine deaminases, functioning as another innate immunity against retroviral infection, has been identified. However, its regulation remains largely unknown. In this report, we demonstrate that through a regular IFN-{alpha}/ß signal transduction pathway, IFN-{alpha} can significantly enhance the expression of apolipoprotein B mRNA-editing enzyme-catalytic polypeptide-like 3G (APOBEC3G) in human primary resting but not activated CD4 T cells and the amounts of APOBEC3G associated with a low molecular mass. Interestingly, short-time treatments of newly infected resting …
Endoscopic Sphincterotomy With Or Without Cholecystectomy For Choledocholithiasis In High Risk Surgical Patients: A Decision Analysis, Ali Siddiqui, Pradnya Mitroo, Thomas E. Kowalski, David Loren
Endoscopic Sphincterotomy With Or Without Cholecystectomy For Choledocholithiasis In High Risk Surgical Patients: A Decision Analysis, Ali Siddiqui, Pradnya Mitroo, Thomas E. Kowalski, David Loren
Department of Medicine Faculty Papers
Background
Laparoscopic cholecystectomy (LC) is recommended for patients with choledocholithiasis after ERCP with sphincterotomy (ES) and stone extraction.
Aim: We designed a decision model to address whether ES alone versus ES followed by LC (ES + LC) is the optimal treatment in high-risk patients with choledocholithiasis.
Methods:
Our cohort were patients with obstructive jaundice who have undergone an ES with biliary clearance. Recurrent biliary complications over a 2-year period stratified by gallbladder status (in/out) and age-stratified surgical complication rates were obtained from the literature. Failure of therapy was defined as either recurrent symptoms or death attributed to biliary complications.
Results …
Rho Kinase As A Novel Molecular Therapeutic Target For Hypertensive Internal Anal Sphincter, Satish Rattan, Marcio A.F. De Godoy, Chirag A. Patel
Rho Kinase As A Novel Molecular Therapeutic Target For Hypertensive Internal Anal Sphincter, Satish Rattan, Marcio A.F. De Godoy, Chirag A. Patel
Department of Medicine Faculty Papers
Background & Aims: An increase in Rho kinase (ROK) activity has been associated with the agonist-induced sustained contraction of the smooth muscle, but its role in the pathophysiology of spontaneously tonic smooth muscle is not known.
Methods: Present studies examined the effects of ROK inhibitor Y 27632 in the tonic smooth muscle of the rat internal anal sphincter (IAS) vs. in the flanking phasic smooth muscle of the rectum (RSM). In addition, studies were performed to determine the relationship between the decreases in the basal IAS tone vs. the ROK activity. Confocal microscopic studies determined the cellular distribution of smooth …
Gαq And Its AktIons, David M. Harris, Andrea D. Eckhart, Walter J. Koch
Gαq And Its AktIons, David M. Harris, Andrea D. Eckhart, Walter J. Koch
Department of Medicine Faculty Papers
No abstract available.
Alterations In Vasodilator-Stimulated Phosphoprotein (Vasp) Phosphorylation: Associations With Asthmatic Phenotype, Airway Inflammation And Β2-Agonist Use, Annette T. Hastie, Min Wu, Gayle C. Foster, Gregory A. Hawkins, Vikas Batra, Katherine A. Rybinski, Rosemary Cirelli, James G. Zangrilli, Stephen P. Peters
Alterations In Vasodilator-Stimulated Phosphoprotein (Vasp) Phosphorylation: Associations With Asthmatic Phenotype, Airway Inflammation And Β2-Agonist Use, Annette T. Hastie, Min Wu, Gayle C. Foster, Gregory A. Hawkins, Vikas Batra, Katherine A. Rybinski, Rosemary Cirelli, James G. Zangrilli, Stephen P. Peters
Department of Medicine Faculty Papers
Background
Vasodilator-stimulated phosphoprotein (VASP) mediates focal adhesion, actin filament binding and polymerization in a variety of cells, thereby inhibiting cell movement. Phosphorylation of VASP via cAMP and cGMP dependent protein kinases releases this "brake" on cell motility. Thus, phosphorylation of VASP may be necessary for epithelial cell repair of damage from allergen-induced inflammation. Two hypotheses were examined: (1) injury from segmental allergen challenge increases VASP phosphorylation in airway epithelium in asthmatic but not nonasthmatic normal subjects, (2) regular in vivo β2-agonist use increases VASP phosphorylation in asthmatic epithelium, altering cell adhesion.
Methods
Bronchial epithelium was obtained from asthmatic …
Clinical Perspectives Of Emerging Pathogens In Bleeding Disorders, Jamie Siegel
Clinical Perspectives Of Emerging Pathogens In Bleeding Disorders, Jamie Siegel
Department of Medicine Faculty Papers
As a result of immunological and nucleic-acid screening of plasma donations for transfusion-transmissible viruses, and the incorporation of viral reduction processes during plasma fractionation, coagulation-factor concentrates (CFC) are now judged safe in terms of many known infectious agents, including hepatitis B and C viruses, HIV, and human T-cell lymphotropic virus. However, emerging pathogens could pose future threats, particularly those with blood-borne stages that are resistant to viral-inactivation steps in the manufacturing process, such as non-lipid-coated viruses. As outlined in this Review, better understanding of infectious diseases allows challenges from newly described agents of potential concern in the future to be …
Characterization Of Hard2, A Processed Hard1 Gene Duplicate, Encoding A Human Protein N-Alpha-Acetyltransferase., Thomas Arnesen, Matthew J Betts, Frédéric Pendino, David A Liberles, Dave Anderson, Jaime Caro, Xianguo Kong, Jan E Varhaug, Johan R Lillehaug
Characterization Of Hard2, A Processed Hard1 Gene Duplicate, Encoding A Human Protein N-Alpha-Acetyltransferase., Thomas Arnesen, Matthew J Betts, Frédéric Pendino, David A Liberles, Dave Anderson, Jaime Caro, Xianguo Kong, Jan E Varhaug, Johan R Lillehaug
Department of Medicine Faculty Papers
BACKGROUND: Protein acetylation is increasingly recognized as an important mechanism regulating a variety of cellular functions. Several human protein acetyltransferases have been characterized, most of them catalyzing epsilon-acetylation of histones and transcription factors. We recently described the human protein acetyltransferase hARD1 (human Arrest Defective 1). hARD1 interacts with NATH (N-Acetyl Transferase Human) forming a complex expressing protein N-terminal alpha-acetylation activity. RESULTS: We here describe a human protein, hARD2, with 81 % sequence identity to hARD1. The gene encoding hARD2 most likely originates from a eutherian mammal specific retrotransposition event. hARD2 mRNA and protein are expressed in several human cell lines. …
Statins And The Vasculopathy Of Systemic Sclerosis: Potential Therapeutic Agents?, Chris T. Derk, Sergio A. Jimenez
Statins And The Vasculopathy Of Systemic Sclerosis: Potential Therapeutic Agents?, Chris T. Derk, Sergio A. Jimenez
Department of Medicine Faculty Papers
It has been postulated that endothelial cell injury is the initiating event in the pathogenesis of systemic sclerosis, causing attraction, attachment, migration and infiltration of activated T-cells and subsequent production of cytokines and growth factors. As a result of the action of these cytokines and growth factors, chemoattraction of fibroblasts into the vessel wall and transdifferentiation of resident fibroblasts and smooth muscle cells into myofibroblasts occur leading to fibrosis and exaggerated collagen deposition in the vessel wall. To date, the therapeutic options for the vasculopathy of systemic sclerosis have been limited to drugs that cause vasodilation and inhibit platelet aggregation …