Browse Items · NEOMED Bibliography Database

An operant-based detection method for inferring tinnitus in mice.

BACKGROUND: Subjective tinnitus is a hearing disorder in which a person perceives sound when no external sound is present. It can be acute or chronic. Because our current understanding of its pathology is incomplete, no effective cures have yet been…

Orthosilicic acid, Si(OH)4, stimulates osteoblast differentiation in vitro by upregulating miR-146a to antagonize NF-kappaB activation.

UNLABELLED: Accumulating evidence over the last 40years suggests that silicate from dietary as well as silicate-containing biomaterials is beneficial to bone formation. However, the exact biological role(s) of silicate on bone cells are still unclear…

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

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

Loss of FXR protects against diet-induced obesity and accelerates liver carcinogenesis in ob/ob mice.

Farnesoid X receptor (FXR) is known to play important regulatory roles in bile acid, lipid, and carbohydrate metabolism. Aged (\textgreater12 months old) Fxr(-/-) mice also develop spontaneous liver carcinomas. In this report, we used three mouse…

Differential protein acetylation assists import of excess SOD2 into mitochondria and mediates SOD2 aggregation associated with cardiac hypertrophy in the murine

SOD2 is the primary antioxidant enzyme neutralizing (*)O2(-) in mitochondria. Cardiac-specific SOD2 overexpression (SOD2-tg) induces supernormal function and cardiac hypertrophy in the mouse heart. However, the reductive stress imposed by SOD2…

Propofol restores transient receptor potential vanilloid receptor subtype-1 sensitivity via activation of transient receptor potential ankyrin receptor subtype-1 in sensory neurons.

Background: Cross talk between peripheral nociceptors belonging to the transient receptor potential vanilloid receptor subtype-1 (TRPV1) and ankyrin subtype-1 (TRPA1) family has been demonstrated recently. Moreover, the intravenous anesthetic…

Synthesis and biological evaluations of chalcones, flavones and chromenes as farnesoid x receptor (FXR) antagonists.

Farnesoid X receptor (FXR), a nuclear receptor mainly distributed in liver and intestine, has been regarded as a potential target for the treatment of various metabolic diseases, cancer and infectious diseases related to liver. Starting from two…

Salvianolic Acid B Alleviates Heart Failure by Inactivating ERK1/2/GATA4 Signaling Pathway after Pressure Overload in Mice.

BACKGROUND: Heart failure(HF) is a dangerous disease that affects millions of patients. Radix Salvia is widely used in Chinese clinics to treat heart diseases. Salvianolic acid B(SalB) is the major active component of Radix Salvia. This study…

Macrophage-Associated Osteoactivin/GPNMB Mediates Mesenchymal Stem Cell Survival, Proliferation, and Migration Via a CD44-Dependent Mechanism.

Although MSCs have been widely recognized to have therapeutic potential in the repair of injured or diseased tissues, it remains unclear how functional activities of mesenchymal stem cells (MSCs) are influenced by the surrounding inflammatory milieu…

Glycoprotein Nonmelanoma Clone B Regulates the Crosstalk between Macrophages and Mesenchymal Stem Cells toward Wound Repair.

The process of wound repair requires the coordinated participation of multiple types of cells, which are sequentially recruited during the healing process. In response to tissue injury, both macrophages and mesenchymal stem cells (MSCs) are recruited…

Induction of vascular progenitor cells from endothelial cells stimulates coronary collateral growth.

RATIONALE: A well-developed coronary collateral circulation improves the morbidity and mortality of patients following an acute coronary occlusion. Although regenerative medicine has great potential in stimulating vascular growth in the heart, to…

Tags: *Collateral Circulation, *Coronary Circulation, 2012, Animal, Animals, Bailey Erin, Biomarkers/metabolism, Cell Differentiation, Cell Lineage, Cells, Chilian William M, Circulation research, Coronary Occlusion/genetics/metabolism/pathology/physiopathology/*surgery, Coronary Vessels/metabolism/pathology/*physiopathology, Cultured, Delucia Angelo, Department of Integrative Medical Sciences, Developmental, Disease Models, Endothelial Cells/metabolism/pathology/*transplantation, Enrick Molly, Epigenesis, Gene Expression Profiling, Gene Expression Regulation, Genetic, Guarini Giacinta, Induced Pluripotent Stem Cells/metabolism/*transplantation, Kolz Christopher L, Mice, Muscle, Myocytes, NEOMED College of Medicine, Neovascularization, Ohanyan Vahagn, Physiologic, Pung Yuh Fen, Rats, Regenerative Medicine/methods, Regional Blood Flow, Reverse Transcriptase Polymerase Chain Reaction, SCID, Smooth, Smooth Muscle/metabolism/pathology/*transplantation, Sprague-Dawley, Stevanov Kelly, Teratoma/metabolism/pathology, Time Factors, Transcription Factors/genetics/metabolism, Transduction, Vascular/metabolism/pathology/*physiopathology, Yin Liya

Hepatic hepatocyte nuclear factor 4alpha is essential for maintaining triglyceride and cholesterol homeostasis.

OBJECTIVE: Loss-of-function mutations in human hepatocyte nuclear factor 4alpha (HNF4alpha) are associated with maturity-onset diabetes of the young and lipid disorders. However, the mechanisms underlying the lipid disorders are poorly understood. In…

miR-217 regulates ethanol-induced hepatic inflammation by disrupting sirtuin

Ethanol-mediated injury, combined with gut-derived lipopolysaccharide (LPS), provokes generation of proinflammatory cytokines in Kupffer cells, causing hepatic inflammation. Among the mediators of these effects, miR-217 aggravates ethanol-induced…

Mechanisms of cholesterol and sterol regulatory element binding protein regulation of the sterol 12 alpha-hydroxylase gene (CYP8B1)

Sterol 12alpha-hydroxylase (CYP8B1) is an obligatory enzyme for the synthesis of cholic acid and regulation of liver bile acid synthesis and intestine cholesterol absorption. The present study evaluates the roles for sterol regulatory element binding…

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…

Farnesoid X receptor activation increases reverse cholesterol transport by modulating bile acid composition and cholesterol absorption in mice.

UNLABELLED: Activation of farnesoid X receptor (FXR) markedly attenuates development of atherosclerosis in animal models. However, the underlying mechanism is not well elucidated. Here, we show that the FXR agonist, obeticholic acid (OCA), increases…

Hepatic carboxylesterase 1 is induced by glucose and regulates postprandial glucose levels.

Metabolic syndrome, characterized by obesity, hyperglycemia, dyslipidemia and hypertension, increases the risks for cardiovascular disease, diabetes and stroke. Carboxylesterase 1 (CES1) is an enzyme that hydrolyzes triglycerides and cholesterol…

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…

Hepatic carboxylesterase 1 is essential for both normal and farnesoid X receptor-controlled lipid homeostasis.

UNLABELLED: Nonalcoholic fatty liver disease (NAFLD) is one of the major health concerns worldwide. Farnesoid X receptor (FXR) is considered a therapeutic target for treatment of NAFLD. However, the mechanism by which activation of FXR lowers hepatic…

Aberrant induction of Par-4 is involved in apoptosis of hippocampal neurons in presenilin-1 M146V mutant knock-in mice.

Mutations in presenilin-1 (PS-1) have been shown to increase neuronal vulnerability to apoptosis in Alzheimer's disease (AD). Par-4 is a novel cell-death-promoting protein associated with neuronal degeneration in AD. We previously reported that, in…

Xiaoyu Jiangzhi capsule protects against heart failure via Ca2+/CaMKII signaling pathways in mice

Objective Heart failure (HF), a worldwide health condition, is the result of many cardiovascular diseases. The traditional Chinese medicine (TCM) Xiaoyu Jiangzhi capsule (XYC) has long been in use in China to treat hyperlipidemia and inhibit platelet…

Tags: 2022, CaMKII, CaV1.2 channel, Heart failure, Mice, Patch clamp, Serca, Traditional Chinese medicine, Xiaoyu Jiangzhi capsule

Structure and functions of human oxysterol 7alpha-hydroxylase cDNAs and gene CYP7B1.

Oxysterol 7alpha-hydroxylase has broad substrate specificity for sterol metabolites and may be involved in many metabolic processes including bile acid synthesis and neurosteroid metabolism. The cloned human oxysterol 7alpha-hydroxylase (CYP7B1) cDNA…

Tamoxifen increases methamphetamine-evoked dopamine output from superfused striatal tissue fragments of male mice.

The antiestrogen, tamoxifen (TMX), has been shown to function as a neuroprotectant against the nigrostriatal dopaminergic (NSDA) neurotoxin, methamphetamine (MA), within male mice. In the present report, we examined the effects of a combined infusion…

Tags: 2004, Animals, Brain research, Corpus Striatum/*drug effects/*metabolism, Dluzen Dean E, Dopamine Agents/*pharmacology, Dopamine Plasma Membrane Transport Proteins, Dopamine/*metabolism, Drug Synergism, Estrogen Antagonists/*pharmacology, Inbred Strains, Male, Membrane Glycoproteins/metabolism, Membrane Transport Proteins/metabolism, Methamphetamine/*pharmacology, Mice, Nerve Tissue Proteins/metabolism, Tamoxifen/*pharmacology, Willett Matthew C

Trimethyltin intoxication induces the migration of ventricular/subventricular zone cells to the injured murine hippocampus.

Following the postnatal decline of cell proliferation in the mammalian central nervous system, the adult brain retains progenitor cells with stem cell-like properties in the subventricular zone (SVZ) and the subgranular zone (SGZ) of the hippocampus.…

Biocompatibility and in vivo tolerability of a new class of photoresponsive alkoxylphenacyl-based polycarbonates.

Potential toxicities of chromophoric or polymeric units of most photoresponsive delivery systems have impacted clinical relevance. Herein, we evaluated the biocompatibility and tolerability of alkoxylphenacyl-based polycarbonates (APPs) as a new…

Effects of gelucire content on stability, macrophage interaction and blood circulation of nanoparticles engineered from nanoemulsions.

The main objective of the study is to investigate the efficacy of Gelucire 44/14 (gelucire) in facilitating formation of cetyl alcohol (CA)-based nanoparticle (NP) and to assess the effects on key NP properties and functions. NPs from oil-in-water…

Formulation and photoirradiation parameters that influenced photoresponsive drug delivery using alkoxylphenacyl-based polycarbonates.

Recently, we reported the synthesis and biocompatibility of alkoxylphenacyl-based polycarbonates (APP); a promising new class of polymers that undergo photo-induced chain scission. In the current study, nanoparticles (NPs) were prepared from the APP…

Antitumor efficacy and tolerability of systemically administered gallium acetylacetonate-loaded gelucire-stabilized nanoparticles.

The widespread clinical success with most gallium compounds in cancer therapy is markedly hampered by lack of tumor specific accumulation, poor tumor permeability and undesirable toxicity to healthy tissues. The aim of this work was to investigate…

Myeloid Cell-Specific Lipin-1 Deficiency Stimulates Endocrine Adiponectin-FGF15 Axis and Ameliorates Ethanol-Induced Liver Injury in Mice.

Lipin-1 is a phosphatidate phosphohydrolase (PAP) required for the generation of diacylglycerol during glycerolipid synthesis, and exhibits dual functions in the regulation of lipid metabolism. Lipin-1 has been implicated in the pathogenesis of…

Identification of Multiple Metabolic Enzymes from Mice Cochleae Tissue Using a Novel Functional Proteomics Technology

A new type of technology in proteomics was developed in order to separate a complex protein mixture and analyze protein functions systematically. The technology combines the ability of two-dimensional gel electrophoresis (2-DE) to separate proteins…

Tags: 2015, Animal tissues, Bao J X, Beef, Biology, Cancer, cancer metabolism, cell metabolism, Cochlea, draft, Drug Therapy, E coli, Electrophoresis, Elution, Enzymatic activity, Enzyme assays, Enzyme metabolism, Enzymes, Feasibility Studies, Functional analysis, Gel electrophoresis, Genes, Genomics, Hearing impairment, Journal Article, Kinases, Li H, Liang R Q, Mass spectrometry, Mass spectroscopy, Medicine, messenger-rna, Metabolism, Mice, NAD(P)H oxidase, NADH, Neurobiology, Neurosciences, nicotinamide adenine dinucleotide, Noise, otolaryngology, Oxidation-reduction reactions, Phosphatase, PloS one, PROTEIN expression, Proteins, Proteomes, proteomics, Science & Technology - Other Topics, Sciences: Comprehensive Works, Scientific imaging, Studies, Substance abuse treatment, Technology, United States--US, Wang D L

Why adult mammalian intrafusal and extrafusal fibers contain different myosin heavy-chain isoforms.

Multiple isoforms of the contractile protein myosin are present in mammalian skeletal muscles. The diversity of the heavy-chain subunits of myosin (MyHCs) in intrafusal fibers is thought to reflect a pathway of differentiation that is unique to…

Development of bone and cartilage in tissue-engineered human middle phalanx models.

Human middle phalanges were tissue-engineered with midshaft scaffolds of poly(L-lactide-epsilon-caprolactone) [P(LA-CL)], hydroxyapatite-P(LA-CL), or beta-tricalcium phosphate-P(LA-CL) and end plate scaffolds of bovine chondrocyte-seeded polyglycolic…

Tags: *Models, 2009, Aggrecans/genetics/metabolism, Animals, Biological, Bone Development/drug effects/*physiology, Calcium Phosphates/pharmacology, Cartilage/cytology/drug effects/*growth & development, Cattle, Chondrocytes/cytology/drug effects/metabolism, Collagen Type II/genetics/metabolism, Durapatite/pharmacology, Electron, Enjo Mitsuhiro, Experimental, Finger Phalanges/cytology/diagnostic imaging/drug effects/*physiology, Gene Expression Profiling, Gene Expression Regulation/drug effects, Humans, Implants, Integrin-Binding Sialoprotein, Isogai Noritaka, Jacquet Robin, Landis William J, Lowder Elizabeth, Mice, Microscopy, Paraffin Embedding, Periosteum/cytology/drug effects, Polyesters/pharmacology, Radiography, Scanning, Sialoglycoproteins/genetics/metabolism, Tissue engineering. Part A, Tissue Engineering/*methods, Tissue Scaffolds/chemistry, Wada Yoshitaka

mGluRs modulate neuronal firing in the auditory midbrain.

The mechanisms underlying sound-evoked suppression of neuronal firing in the auditory system are poorly understood. To explore these mechanisms in the inferior colliculus (IC), agonists and antagonists targeting different groups of metabotropic…

Identification of Novel Agents for the Treatment of Brain Metastases of Breast Cancer.

BACKGROUND: Brain cancer from metastasized breast cancer has a high mortality rate in women. The treatment of lesions is hampered in large part by the blood-brain barrier (BBB), which prevents adequate distribution of anti-cancer compounds to brain…

On the mechanisms of biliary flux.

Since the late 1950s, transport of bile in the liver has been described by the “osmotic concept,” according to which bile flows into the canaliculi toward the ducts, countercurrent to the blood flow in the sinusoids. However, because of the small…

Tags: 2021, Animal, Bile, Humans, Liver/metabolism, Mice, Osmosis

The orphan nuclear receptor small heterodimer partner is required for thiazolidinedione effects in leptin-deficient mice.

BACKGROUND: Small heterodimer partner (SHP, NR0B2) is involved in diverse metabolic pathways, including hepatic bile acid, lipid and glucose homeostasis, and has been implicated in effects on the peroxisome proliferator-activated receptor gamma…

Reexamination of amphotropic murine leukemia virus neurovirulence: neural stem cell-mediated microglial infection fails to induce acute neurodegeneration.

The 4070A amphotropic murine leukemia virus (A-MuLV) has been variably reported to harbor neurovirulence determinants within its env gene. In this report we reexamined this issue by applying two approaches previously demonstrated to amplify murine…

TRPV4 channels regulate tumor angiogenesis via modulation of Rho/Rho kinase pathway.

Targeting angiogenesis is considered a promising therapy for cancer. Besides curtailing soluble factor mediated tumor angiogenesis, understanding the unexplored regulation of angiogenesis by mechanical cues may lead to the identification of novel…

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…

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