J. Koudy Williams

ORCID: 0000-0002-4610-6412
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About
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Research Areas
  • Estrogen and related hormone effects
  • Tissue Engineering and Regenerative Medicine
  • Menopause: Health Impacts and Treatments
  • Pelvic floor disorders treatments
  • Urological Disorders and Treatments
  • Phytoestrogen effects and research
  • Urinary Bladder and Prostate Research
  • Hormonal and reproductive studies
  • Electrospun Nanofibers in Biomedical Applications
  • Fatty Acid Research and Health
  • Cancer Cells and Metastasis
  • 3D Printing in Biomedical Research
  • Hormonal Regulation and Hypertension
  • Cardiovascular, Neuropeptides, and Oxidative Stress Research
  • Cardiovascular Disease and Adiposity
  • Prostate Cancer Diagnosis and Treatment
  • Coronary Interventions and Diagnostics
  • Cardiac Valve Diseases and Treatments
  • Hernia repair and management
  • Stress Responses and Cortisol
  • Mesenchymal stem cell research
  • Pluripotent Stem Cells Research
  • Lipoproteins and Cardiovascular Health
  • Biomedical Ethics and Regulation
  • Cellular Mechanics and Interactions

Forest Institute
2016-2025

Georgetown University
2014-2025

Atrium Health Wake Forest Baptist
1995-2025

Prostate Cancer Foundation
2012-2024

Wake Forest University
2014-2023

Winston-Salem State University
2011-2018

Seoul Medical Center
2018

SUNY Polytechnic Institute
2017

Walker (United States)
2014

Levine Cancer Institute
2014

Although evidence indicates that estrogen replacement therapy reduces risk of coronary heart disease, the mechanism remains unknown. Among possibilities are may 1) inhibit growth atherosclerotic plaque and 2) decrease prevalence transient myocardial ischemia infarction by modulating vasomotion in arteries. Using quantitative angiography, we determined vasomotor responses arteries ovariectomized cynomolgus monkeys; six were given physiological "replacement" subcutaneous implants, not....

10.1161/01.cir.81.5.1680 article EN Circulation 1990-05-01

Objective— Some of the statin-induced reduction in cardiac events patients with atherosclerosis may be derived from mechanisms independent lipid lowering. This study tested nonhuman primates whether statins can influence inflammation (indicated by vascular cell adhesion molecule-1, interleukin-1β, tissue factor, and macrophages) features plaque stability collagen smooth muscle cells) their effect on plasma cholesterol level. Methods Results— Adult male cynomolgus monkeys (n=12 per group)...

10.1161/01.atv.0000030360.72503.56 article EN Arteriosclerosis Thrombosis and Vascular Biology 2002-09-01

Abstract The factors responsible for the marked gender differences in risk of coronary heart disease and atherosclerosis severity remain largely undetermined. While some clinical experimental evidence supports a protective effect endogenous estrogen on initiation progression incidence disease, much epidemiological data do not support this conclusion. possibility that androgens may have adverse effects has received little attention. We investigated experimentally induced hyperandrogenism...

10.1161/01.atv.15.5.562 article EN Arteriosclerosis Thrombosis and Vascular Biology 1995-05-01

Abstract The objective of this study was to determine the structural and functional changes that occur in artery wall response plasma lipid lowering hormone replacement surgically postmenopausal monkeys with established coronary atherosclerosis. Eighty-eight cynomolgus were fed an atherogenic diet for 24 months then allocated into 4 groups: group 1 (n=20), a baseline necropsy group; 2 (n=25), lipid-lowering only; 3 (n=22), plus conjugated equine estrogen treatment equivalent 0.625 mg/d...

10.1161/01.atv.15.7.827 article EN Arteriosclerosis Thrombosis and Vascular Biology 1995-07-01

Purpose An American Society of Clinical Oncology (ASCO) provisional clinical opinion (PCO) offers timely direction to the ASCO membership after publication or presentation potentially practice-changing data from major studies. This PCO addresses role prostate-specific antigen (PSA) testing in screening men for prostate cancer. Context Prostate cancer is second leading cause deaths among United States. The rationale potential reduce risk death through early detection. Recent Data Evidence a...

10.1200/jco.2012.43.3441 article EN public-domain Journal of Clinical Oncology 2012-07-17

BACKGROUND Healthy arteries exhibit endothelium-dependent dilation in response to both local acetylcholine and increased blood flow. In humans, clinically overt coronary artery disease is characterized by loss of The temporal relation, however, between functional abnormalities the endothelium development atherosclerosis has not been established. METHODS AND RESULTS We examined endothelial vasodilator function vivo at an early stage atherosclerosis. Two groups seven Macaca fascicularis...

10.1161/01.cir.84.3.1273 article EN Circulation 1991-09-01

Neural phase signaling has gained attention as a putative coding mechanism through which the brain binds activity of neurons across distributed areas to generate thoughts, percepts, and behaviors. been shown play role in various cognitive processes, it suggested that altered may mediating deficits observed neuropsychiatric illness. Here, we investigated neural two mouse models dysfunction: mice with genetically induced hyperdopaminergia [dopamine transporter knock-out (DAT-KO) mice] NMDA...

10.1523/jneurosci.1773-09.2009 article EN Journal of Neuroscience 2009-06-24

Cell therapy for intrinsic urinary sphincter deficiency (ISD) in women has been moderately effective, and improvements are needed. To improve treatment efficacy, it is important to better understand determinates of cell efficacy the different patient cohorts. We have reported that nonhuman primates chronicity ISD may affect but additional factors (age, psychosocial stress, hormone status, body weight) can be associated with many disease/treatment outcomes – these focus this study. Adult...

10.1186/s13287-016-0461-6 article EN cc-by Stem Cell Research & Therapy 2017-01-05

Hormone replacement therapy for postmenopausal women greatly reduces their risk of coronary heart disease. However, current pharmaceutical regimens have a low acceptance rate among women. We sought to identify an alternative treatment that would retain the beneficial health effects standard without its negative aspects. concentrated our research on naturally occurring estrogens (called phytoestrogens) found in soybeans, belief delivery phytoestrogens via diet be more acceptable than...

10.3181/00379727-217-44246 article EN Experimental Biology and Medicine 1998-03-01

Abstract Animal models of arterial injury have failed to predict effective therapy prevent restenosis in humans. While this may relate species differences the control smooth muscle cell growth, many studies used nonatherosclerotic animals, thereby failing consider importance atherosclerosis response injury. In an attempt model human more accurately, we characterized angioplasty atherosclerotic monkeys. Twenty-one cynomolgus monkeys were fed atherogenic diet for 36 months (plasma cholesterol,...

10.1161/01.atv.16.1.34 article EN Arteriosclerosis Thrombosis and Vascular Biology 1996-01-01

10.1016/j.jtcvs.2011.10.005 article EN publisher-specific-oa Journal of Thoracic and Cardiovascular Surgery 2011-11-03
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