Browse Items · NEOMED Bibliography Database

Vascular precursor cells in tissue injury repair.

Vascular precursor cells include stem cells and progenitor cells giving rise to all mature cell types in the wall of blood vessels. When tissue injury occurs, local hypoxia and inflammation result in the generation of vasculogenic mediators which…

Cardiac myofibroblast differentiation is attenuated by alpha(3) integrin blockade: potential role in post-MI remodeling.

Cardiac fibroblasts and myofibroblasts are responsible for post-MI remodeling which occurs via regulation of extracellular matrix (ECM). Accelerated post-MI remodeling leads to excessive ECM deposition and fibrosis, contributing to impaired…

Non-fibrillar collagens: key mediators of post-infarction cardiac remodeling?

Cardiac remodeling is accelerated during pathological conditions and several anabolic and catabolic regulators work in concert to repair the myocardium and maintain its functionality. The fibroblasts play a major role in this process via collagen…

Tags: 2010, Animals, Biological, Department of Integrative Medical Sciences, Humans, Journal of molecular and cellular cardiology, Matrix Metalloproteinases/metabolism, Meszaros J Gary, Models, Myocardial Infarction/*metabolism/physiopathology, Myocardium/metabolism/pathology, NEOMED College of Medicine, Non-Fibrillar Collagens/*metabolism, Shamhart Patricia E, Wound Healing/physiology

Coronary collateral growth–back to the future.

The coronary collateral circulation is critically important as an adaptation of the heart to prevent the damage from ischemic insults. In their native state, collaterals in the heart would be classified as part of the microcirculation, existing as…

Tags: 2012, Chilian William M, Collateral Circulation/*physiology, Coronary Artery Disease/physiopathology/therapy, Coronary Circulation/physiology, Department of Integrative Medical Sciences, Dong Feng, Humans, Journal of molecular and cellular cardiology, Logan Suzanna, Mayorga Maritza, Myocardial Ischemia/physiopathology/therapy, NEOMED College of Medicine, Neovascularization, Ohanyan Vahagn, Penn Marc S, Physiologic/physiology, Pung Yuh Fen, Yin Liya

TRPV4 channels mediate cardiac fibroblast differentiation by integrating mechanical and soluble signals.

The phenotypic switch underlying the differentiation of cardiac fibroblasts into hypersecretory myofibroblasts is critical for cardiac remodeling following myocardial infarction. Myofibroblasts facilitate wound repair in the myocardium by secreting…

Overexpressing superoxide dismutase 2 induces a supernormal cardiac function by enhancing redox-dependent mitochondrial function and metabolic dilation.

During heightened cardiac work, O2 consumption by the heart benefits energy production via mitochondria. However, some electrons leak from the respiratory chain and yield superoxide, which is rapidly metabolized into H2O2 by SOD2. To understand the…

Tags: 2015, Adenosine Triphosphate/biosynthesis, Animals, Arterial Pressure/drug effects, Bioenergetics, Blood Flow Velocity/drug effects, Cardiac function, Cardiac/drug effects/*enzymology, Catalase/pharmacology, Chen Chwen-Lih, Chen Yeong-Renn, Chilian William M, Department of Integrative Medical Sciences, Echocardiography, Female, Gene Expression, Heart/drug effects/*enzymology, Hydrogen Peroxide/*metabolism/pharmacology, Injections, Intravenous, Journal of molecular and cellular cardiology, Kang Patrick T, Luther Daniel J, Male, Meszaros J Gary, Metabolic dilation, Mice, Mitochondria, Myocardium/*enzymology, Myocytes, NEOMED College of Medicine, NG-Nitroarginine Methyl Ester/pharmacology, Ohanyan Vahagn, Oxidation-Reduction, Oxygen Consumption/drug effects, Redox regulation, Signal Transduction, Stroke Volume/drug effects, Superoxide dismutase 2 (SOD2), Superoxide Dismutase/*genetics/metabolism, Transgenic, Transgenic mice, Vasodilation/*drug effects

Mitochondrial complex I in the post-ischemic heart: reperfusion-mediated oxidative injury and protein cysteine sulfonation.

A serious consequence of ischemia-reperfusion injury (I/R) is oxidative damage leading to mitochondrial dysfunction. Such I/R-induced mitochondrial dysfunction is observed as impaired state 3 respiration and overproduction of O2(-). The cascading ROS…

Tags: 2018, Chen Chwen-Lih, Chen Yeong-Renn, Complex I, Department of Family & Community Medicine, Department of Integrative Medical Sciences, Journal of molecular and cellular cardiology, Kang Patrick T, Lin Paul, Mitochondrial dysfunction, Myocardial ischemia and reperfusion, NEOMED College of Medicine, Protein cysteine sulfonation, Protein Structure, Zhang Liwen, Zweier Jay L

Inhibition of human papillomavirus type 16 gene expression by nordihydroguaiaretic acid plant lignan derivatives.

Several methylated derivatives of a plant lignan, nordihydroguaiaretic acid (NDGA) were found to be potent anti-viral agents by suppressing Sp1 regulated transcription within the sexually transmitted viruses human immunodeficiency virus (HIV) and…

Resveratrol inhibition of herpes simplex virus replication.

Resveratrol, a phytoalexin, was found to inhibit herpes simplex virus types 1 and 2 (HSV-1 and HSV-2) replication in a dose-dependent, reversible manner. The observed reduction in virus yield was not caused by the direct inactivation of HSV by…

Cytochrome P450 Function and Pharmacological Roles in Inflammation and Cancer. Preface.

Tags: 2015, Advances in pharmacology (San Diego, Calif.), Animals, Cytochrome P-450 Enzyme System/*metabolism, Department of Integrative Medical Sciences, Hardwick James P, Humans, Inflammation/*metabolism, NEOMED College of Medicine, Neoplasms/*metabolism

Stem cells for myocardial regeneration.

The field of cardiovascular regenerative medicine has made significant strides over the past decade. Clinical trials have demonstrated benefit in acute myocardial infarction (AMI) and chronic heart failure (CHF). As the field has matured, it has…

Tags: 2011, Animals, Clinical pharmacology and therapeutics, Clinical Trials as Topic/trends, Department of Integrative Medical Sciences, Dong F, Humans, Klein S, Mayorga M E, Myocardial Infarction/pathology/physiopathology/*surgery, NEOMED College of Medicine, Penn M S, Regeneration/*physiology, Regenerative Medicine/*trends, Stem Cell Transplantation/*trends

A metabolic stress-inducible miR-34a-HNF4alpha pathway regulates lipid and lipoprotein metabolism.

Non-alcoholic fatty liver disease (NAFLD) is one of the most common liver diseases, but its underlying mechanism is poorly understood. Here we show that hepatocyte nuclear factor 4alpha (HNF4alpha), a liver-enriched nuclear hormone receptor, is…

Activation of mechanosensitive ion channel TRPV4 normalizes tumor vasculature and improves cancer therapy.

Tumor vessels are characterized by abnormal morphology and hyperpermeability that together cause inefficient delivery of chemotherapeutic agents. Although vascular endothelial growth factor has been established as a critical regulator of tumor…

Thrombospondin-4 mediates TGF-beta-induced angiogenesis.

TGF-beta is a multifunctional cytokine affecting many cell types and implicated in tissue remodeling processes. Due to its many functions and cell-specific effects, the consequences of TGF-beta signaling are process-and stage-dependent, and it is not…

Global inactivation of carboxylesterase 1 (Ces1/Ces1g) protects against atherosclerosis in Ldlr (-/-) mice.

Atherosclerotic cardiovascular disease is a leading cause of death in the western world. Increased plasma triglyceride and cholesterol levels are major risk factors for this disease. Carboxylesterase 1 (Ces1/Ces1g) has been shown to play a role in…

Tags: 2017, Department of Integrative Medical Sciences, NEOMED College of Medicine, Scientific reports, Xu Jiesi, Xu Yang, Xu Yanyong, Yin Liya, Zhang Yanqiao

TRPV4 channel activation selectively inhibits tumor endothelial cell proliferation.

Endothelial cell proliferation is a critical event during angiogenesis, regulated by both soluble factors and mechanical forces. Although the proliferation of tumor cells is studied extensively, little is known about the proliferation of tumor…

Carboxylesterase 1 Is Regulated by Hepatocyte Nuclear Factor 4alpha and Protects Against Alcohol- and MCD diet-induced Liver Injury.

The liver is a major organ that controls hepatic and systemic homeostasis. Dysregulation of liver metabolism may cause liver injury. Previous studies have demonstrated that carboxylesterase 1 (CES1) regulates hepatic triglyceride metabolism and…

Oral chromium picolinate impedes hyperglycemia-induced atherosclerosis and inhibits proatherogenic protein TSP-1 expression in STZ-induced type 1 diabetic ApoE(-/-) mice.

Increasing evidence suggests thrombospondin-1 (TSP-1), a potent proatherogenic matricellular protein, as a putative link between hyperglycemia and atherosclerotic complications in diabetes. We previously reported that the micronutrient chromium…

Anti-atherogenic effect of trivalent chromium-loaded CPMV nanoparticles in human aortic smooth muscle cells under hyperglycemic conditions in vitro.

Atherosclerosis, a major macrovascular complication associated with diabetes, poses a tremendous burden on national health care expenditure. Despite extensive efforts, cost-effective remedies are unknown. Therapies for atherosclerosis are challenged…

Orphan nuclear receptor oestrogen-related receptor gamma (ERRgamma) plays a key role in hepatic cannabinoid receptor type 1-mediated induction of CYP7A1 gene expression.

Bile acids are primarily synthesized from cholesterol in the liver and have important roles in dietary lipid absorption and cholesterol homoeostasis. Detailed roles of the orphan nuclear receptors regulating cholesterol 7alpha-hydroxylase (CYP7A1),…

Tags: 2015, Animals, bile acid, Bile Acids and Salts/metabolism, Cannabinoid, cannabinoid receptors, CB1/agonists/genetics/*metabolism, Cells, Chiang John Y L, Choi Hueng-Sik, Cholesterol 7-alpha-Hydroxylase/*biosynthesis/genetics, cholesterol 7alpha-hydroxylase (CYP7A1), Cultured, Cytoplasmic and Nuclear/metabolism, Department of Integrative Medical Sciences, Drug Inverse Agonism, Estrogen/genetics/*metabolism, Ethanol/pharmacology, Gene Expression, Genetic, Glycerides/pharmacology, GSK5182, HEK293 Cells, Hepatocytes/metabolism, Humans, Inbred C57BL, Jeong Won-Il, Kim Don-Kyu, Kim Seong Heon, Knockout, Lee Chul-Ho, Lee In-Kyu, Lee Ji-Min, Liver/*metabolism, Mice, NEOMED College of Medicine, oestrogen-related receptor gamma (ERRgamma), orphan nuclear receptor, Park Seung Bum, Promoter Regions, Rats, Receptor, Receptors, small heterodimer partner (SHP), Sprague-Dawley, The Biochemical journal, Transcription, Zhang Yaochen

A novel role of transforming growth factor beta1 in transcriptional repression of human cholesterol 7alpha-hydroxylase gene.

BACKGROUND & AIMS: Inhibition of cholesterol 7alpha-hydroxylase (CYP7A1) by bile acids and inflammatory cytokines provides an important mechanism to protect hepatocytes from bile acid toxicity during cholestasis. Transforming growth factor beta1…

Cysteinyl leukotriene 2 receptor promotes endothelial permeability, tumor angiogenesis, and metastasis.

Cysteinyl leukotrienes (cys-LTs) are proinflammatory mediators that enhance vascular permeability through distinct receptors (CysLTRs). We found that CysLT2R regulates angiogenesis in isolated mouse endothelial cells (ECs) and in Matrigel implants in…

Tags: *angiogenesis, *cysteinyl leukotriene receptors, *endothelial cells, *metastasis, *tumor growth, 2019, Adapala Ravi K, Austen K Frank, Department of Integrative Medical Sciences, Duah Ernest, Kanaoka Yoshihide, Keshamouni Venkateshwar G, Kondeti Vinay, NEOMED College of Medicine, Paruchuri Sailaja, Proceedings of the National Academy of Sciences of the United States of America, Teegala Lakshminarayan Reddy, Thodeti Charles K

Transcriptional regulation of the human sterol 12alpha-hydroxylase gene (CYP8B1): roles of heaptocyte nuclear factor 4alpha in mediating bile acid repression.

Sterol 12alpha-hydroxylase catalyzes the synthesis of cholic acid and controls the ratio of cholic acid over chenodeoxycholic acid in the bile. Transcription of CYP8B1 is inhibited by bile acids, cholesterol, and insulin. To study the mechanism of…

Identification of novel pathways that control farnesoid X receptor-mediated hypocholesterolemia.

Farnesoid X receptor (FXR) plays important regulatory roles in bile acid, lipoprotein, and glucose homeostasis. Here, we have utilized Fxr(-/-) mice and mice deficient in scavenger receptor class B type I (SR-BI), together with an

Glucose and insulin induction of bile acid synthesis: mechanisms and implication in diabetes and obesity.

Bile acids facilitate postprandial absorption of nutrients. Bile acids also activate the farnesoid X receptor (FXR) and the G protein-coupled receptor TGR5 and play a major role in regulating lipid, glucose, and energy metabolism. Transgenic…

Retinoic acid-related orphan receptor alpha regulates diurnal rhythm and fasting induction of sterol 12alpha-hydroxylase in bile acid synthesis.

Sterol 12alpha-hydroxylase (CYP8B1) is required for cholic acid synthesis and plays a critical role in intestinal cholesterol absorption and pathogenesis of cholesterol gallstone, dyslipidemia, and diabetes. In this study we investigated the…

Farnesoid X receptor induces Takeda G-protein receptor 5 cross-talk to regulate bile acid synthesis and hepatic metabolism.

The bile acid-activated receptors, nuclear farnesoid X receptor (FXR) and the membrane Takeda G-protein receptor 5 (TGR5), are known to improve glucose and insulin sensitivity in obese and diabetic mice. However, the metabolic roles of these two…

A Prospero-related homeodomain protein is a novel co-regulator of hepatocyte nuclear factor 4alpha that regulates the cholesterol 7alpha-hydroxylase gene.

Prox1, an early specific marker for developing liver and pancreas in foregut endoderm has recently been shown to interact with alpha-fetoprotein transcription factor and repress cholesterol 7alpha-hydroxylase (CYP7A1) gene transcription. Using a…

Tags: *Gene Expression Regulation, 2006, Aged, Amino Acid Motifs, Bile Acids and Salts/metabolism, Cell Line, Cell Nucleus/metabolism, Cells, Chiang John Y L, Cholesterol 7-alpha-Hydroxylase/*chemistry/*genetics, Cultured/metabolism, Department of Integrative Medical Sciences, Enzymologic, Female, Genes, Genetic, Gluconeogenesis, Glutathione Transferase/metabolism, Hepatocyte Nuclear Factor 4/metabolism/*physiology, Hepatocytes/metabolism, Homeodomain Proteins/metabolism/*physiology, Humans, Immunoprecipitation, Li Tiangang, Liver/metabolism, Luciferases/metabolism, Male, Messenger/metabolism, Middle Aged, NEOMED College of Medicine, Phosphoenolpyruvate Carboxykinase (ATP)/metabolism, Plasmids/metabolism, Protein Structure, Reporter, Response Elements, Reverse Transcriptase Polymerase Chain Reaction, RNA, Small Interfering/metabolism, Song Kwang-Hoon, Tertiary, The Journal of biological chemistry, Time Factors, Transcription, Transcriptional Activation, Transfection, Tumor Suppressor Proteins, Two-Hybrid System Techniques

Insulin regulation of cholesterol 7alpha-hydroxylase expression in human hepatocytes: roles of forkhead box O1 and sterol regulatory element-binding protein 1c.

Bile acid synthesis and pool size increases in diabetes, whereas insulin inhibits bile acid synthesis. The objective of this study is to elucidate the mechanism of insulin regulation of cholesterol 7alpha-hydroxylase gene expression in human…

Redox-dependent mechanisms in coronary collateral growth: the "redox window" hypothesis.

This review addresses the complexity of coronary collateral growth from the aspect of redox signaling and introduces the concept of a "redox window" in the context of collateral growth. In essence, the redox window constitutes a range in the redox…

Tags: 2009, Angiotensin II/physiology, Animals, Antioxidants & redox signaling, Belmadani Souad, Carrao Ana Catarina Ribeiro, Chilian William M, Coronary Vessels/*growth & development/metabolism, Department of Integrative Medical Sciences, Humans, NEOMED College of Medicine, Ohanyan Vahagn, Oxidation-Reduction, Pung Yuh Fen, Reactive Oxygen Species/metabolism, Rocic Petra, Yun June

The coronary circulation in acute myocardial ischaemia/reperfusion injury - a target for cardioprotection.

The coronary circulation is both culprit and victim of acute myocardial infarction. The rupture of an epicardial atherosclerotic plaque with superimposed thrombosis causes coronary occlusion, and this occlusion must be removed to induce reperfusion.…

Tags: 2018, Cardiovascular research, Chilian William, Crea Filippo, Davidson Sean M, Department of Integrative Medical Sciences, Ferdinandy Peter, Garcia-Dorado David, Hausenloy Derek J, Heusch Gerd, NEOMED College of Medicine, Schulz Rainer, van Royen Niels

Mechanosensitive transient receptor potential vanilloid 4 regulates Dermatophagoides farinae-induced airway remodeling via 2 distinct pathways modulating matrix synthesis and degradation.

Contributions of mechanical signals to airway remodeling during asthma are poorly understood. Transient receptor potential vanilloid 4 (TRPV4), a mechanosensitive ion channel, has been implicated in cardiac and pulmonary fibrosis; however, its role…

Tags: *Airway Remodeling, *fibronectin, *myofibroblasts, *PAI-1, *PI3K, *TGF-beta1, 2017, Adult, Al-Azzam Nosayba, Animals, Asthma/etiology/genetics/*metabolism/pathology, Cells, Cultured, Department of Integrative Medical Sciences, Dermatophagoides farinae/immunology, Duah Ernest, Extracellular Matrix/*metabolism/pathology, FASEB journal : official publication of the Federation of American Societies for Experimental Biology, Fibroblasts/metabolism, Fibronectins/*metabolism, Gombedza Farai, Hexter Madison, Humans, Inbred C57BL, Kondeti Vinay, Koppes Stephanie, Male, Mice, NEOMED College of Medicine, Paruchuri Sailaja, Patil Prachi, Phillips Daniel, Phosphatidylinositol 3-Kinases/metabolism, Plasminogen Activator Inhibitor 1/metabolism, Thodeti Charles K, Transforming Growth Factor beta/metabolism, TRPV Cation Channels/genetics/*metabolism

Novel noncanonical regulation of soluble VEGF/VEGFR2 signaling by mechanosensitive ion channel TRPV4.

VEGF signaling via VEGF receptor-2 (VEGFR2) is a major regulator of endothelial cell (EC) functions, including angiogenesis. Although most studies of angiogenesis focus on soluble VEGF signaling, mechanical signaling also plays a critical role. Here,…

Tags: 2019, Adapala Ravi K, angiogenesis, Cappelli Holly C, Chilian William M, Department of Integrative Medical Sciences, endothelial cell, FASEB journal : official publication of the Federation of American Societies for Experimental Biology, Kanugula Anantha K, Meszaros J Gary, Midha Priya, NEOMED College of Medicine, Paruchuri Sailaja, Phosphorylation, Thodeti Charles K

Bile acids as metabolic regulators.

PURPOSE OF REVIEW: This review focuses on the latest understanding of the molecular mechanisms underlying the complex interactions between intestine and liver bile acid signaling, gut microbiota, and their impact on whole-body lipid, glucose and…

Cell transplantation as an initiator of endogenous stem cell-based tissue repair.

PURPOSE OF REVIEW: The aim of this review is to summarize recent findings of endogenous cell-based tissue repair triggered by a multitude of approaches, especially stem cell therapy. RECENT FINDINGS: The emerging evidence has demonstrated that an…

Tags: *Regeneration, *Stem Cell Transplantation, *Stem cells, *Wound Healing, 2012, Caplan Arnold I, Cell Transplantation, Current opinion in organ transplantation, Department of Integrative Medical Sciences, Dong Feng, Humans, Mesenchymal Stem Cell Transplantation, NEOMED College of Medicine

Kv1.3 channels facilitate the connection between metabolism and blood flow in the heart.

The connection between metabolism and flow in the heart, metabolic dilation, is essential for cardiac function. We recently found redox-sensitive Kv1.5 channels play a role in coronary metabolic dilation; however, more than one ion channel likely…

Coronary microvascular Kv1 channels as regulatory sensors of intracellular pyridine nucleotide redox potential.

Smooth muscle voltage-gated potassium (Kv) channels are important regulators of microvascular tone and tissue perfusion. Recent studies indicate that Kv1 channels represent a key component of the physiological coupling between coronary blood flow and…

Rifampicin induction of CYP3A4 requires pregnane X receptor cross talk with hepatocyte nuclear factor 4alpha and coactivators, and suppression of small heterodimer partner gene expression.

Bile acids and drugs activate pregnane X receptor (PXR) to induce CYP3A4, which is the predominant cytochrome P450 enzyme expressed in the liver and intestine and plays a critical role in detoxifying bile acids and drugs, and protecting against…

Tags: 2006, Antibiotics, Antitubercular/*pharmacology, Blotting, Cell Line, Chiang John Y L, Chromatin/metabolism, Cytochrome P-450 CYP3A, Cytochrome P-450 Enzyme System/*biosynthesis, Cytoplasmic and Nuclear/*biosynthesis/*drug effects/genetics, Department of Integrative Medical Sciences, Drug metabolism and disposition: the biological fate of chemicals, Electrophoretic Mobility Shift Assay, Enzyme Induction/drug effects, Glutathione Transferase/metabolism, Hepatocyte Nuclear Factor 4/genetics/*metabolism, Hepatocytes/drug effects/metabolism, Humans, Immunoprecipitation, Li Tiangang, Messenger/biosynthesis, NEOMED College of Medicine, Plasmids/genetics, Pregnane X Receptor, Receptor Cross-Talk/drug effects, Receptors, Reverse Transcriptase Polymerase Chain Reaction, Rifampin/*pharmacology, RNA, Steroid/*drug effects/genetics, Transfection, Tumor, Western

Mechanism of vitamin D receptor inhibition of cholesterol 7alpha-hydroxylase gene transcription in human hepatocytes.

Lithocholic acid (LCA) is a potent endogenous vitamin D receptor (VDR) ligand. In cholestasis, LCA levels increase in the liver and intestine. The objective of this study is to test the hypothesis that VDR plays a role in inhibiting cholesterol…

Farnesoid X Receptor Agonist Represses Cytochrome P450 2D6 Expression by Upregulating Small Heterodimer Partner.

Cytochrome P450 2D6 (CYP2D6) is a major drug-metabolizing enzyme responsible for eliminating approximately 20% of marketed drugs. Studies have shown that differential transcriptional regulation of CYP2D6 may contribute to large interindividual…

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