Browse Items · NEOMED Bibliography Database

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

Multiple signals induce endoplasmic reticulum stress in both primary and immortalized chondrocytes resulting in loss of differentiation, impaired cell growth, and apoptosis.

The endoplasmic reticulum is the site of synthesis and folding of secretory proteins and is sensitive to changes in the internal and external environment of the cell. Both physiological and pathological conditions may perturb the function of the…

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…

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

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…

A wogonin-rich-fraction of Scutellaria baicalensis root extract exerts chondroprotective effects by suppressing IL-1beta-induced activation of AP-1 in human OA chondrocytes.

Osteoarthritis (OA) is a common joint disorder with varying degrees of inflammation and sustained oxidative stress. The root extract of Scutellaria baicalensis (SBE) has been used for the treatment of inflammatory and other diseases. Here, we…

Mechanisms of Chinese Medicine Xinmailong's protection against heart failure in pressure-overloaded mice and cultured cardiomyocytes.

Patients with heart failure (HF) have high mortality and mobility. Xinmailong (XML) injection, a Chinese Medicine, is clinically effective in treating HF. However, the mechanism of XML's effectiveness on HF was unclear, and thus, was the target of…

LPS-TLR4 Pathway Mediates Ductular Cell Expansion in Alcoholic Hepatitis.

Alcoholic hepatitis (AH) is the most severe form of alcoholic liver disease for which there are no effective therapies. Patients with AH show impaired hepatocyte proliferation, expansion of inefficient ductular cells and high lipopolysaccharide (LPS)…

Tags: 2016, Affo Silvia, Alcoholic/*immunology, Altamirano Jose, Animals, Arroyo Vicente, Bataller Ramon, Caballeria Juan, Cell Proliferation, Cells, Chen Jiegen, Collagen/genetics/metabolism, Common/*pathology, Crews Fulton, Cultured, Department of Pharmaceutical Sciences, Dumitru Raluca, Female, Gene Expression Profiling, Gene Expression Regulation, Gines Pere, Hepatic Duct, Hepatitis, Hepatocytes/*metabolism/pathology, Humans, Inbred BALB C, Keratins, Knockout, Lipopolysaccharides/metabolism, Lozano Juan Jose, Male, Matsushita Hiroshi, Mice, Middle Aged, Morales-Ibanez Oriol, NEOMED College of Pharmacy, Odena Gemma, Rautou Pierre-Emmanuel, Rodrigo-Torres Daniel, Sancho-Bru Pau, Scientific reports, Seki Ekihiro, Signal Transduction, Toll-Like Receptor 4/genetics/*metabolism, Type I/genetics/*metabolism, Valla Dominique, You Min, Zou Jian

Interleukin-1beta induced Stress Granules Sequester COX-2 mRNA and Regulates its Stability and Translation in Human OA Chondrocytes.

Enhanced and immediate expression of cyclooxygenase-2 (COX-2) mRNA is observed in

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…

Osteoactivin inhibition of osteoclastogenesis is mediated through CD44-ERK signaling.

Osteoactivin is a heavily glycosylated protein shown to have a role in bone remodeling. Previous studies from our lab have shown that mutation in Osteoactivin enhances osteoclast differentiation but inhibits their function. To date, a classical…

Enhanced antiviral activity and altered subcellular distribution of magnesium/poly r(A-U) combinations.

When Mg2+ or ethidium bromide (EB) were combined with poly r(A-U) at a ligand/ribonucleotide ratio of 1/4, the antiviral activity of the Mg2+ and EB increased 136-fold and 154-fold. Eriochrome Blue SE was employed to visualize the subcellular…

Tags: 1992, Antiviral Agents/*pharmacology, Cell biology international reports, Cells, Chromatin/drug effects, Cultured, Ethidium/*pharmacology, Gilloteaux J, Humans, Jamison J M, Krabill K, Magnesium/metabolism/*pharmacology, Nucleolus Organizer Region/*drug effects, Poly A-U/*pharmacology, Summers J L, Vesicular stomatitis Indiana virus/drug effects

Phosphatidylinositide 3-kinase regulates angiotensin II-induced cytosolic phospholipase A2 activity and growth in vascular smooth muscle cells.

Angiotensin (Ang) II via the AT(1) receptor acts as a mitogen in vascular smooth muscle cells (VSMC) through stimulation of multiple signaling mechanisms, including tyrosine kinases and mitogen-activated protein kinase (MAPK). In addition, cytosolic…

J-LEAPS vaccines initiate murine Th1 responses by activating dendritic cells.

The Ligand Epitope Antigen Presentation System (LEAPS) converts a peptide containing a T cell epitope as small as 8 amino acids into an immunogen and directs the nature of the subsequent response. Tandem synthesis of the J peptide (a peptide from the…

Methods and insights from the characterization of osteoprogenitor cells of bats (Mammalia: Chiroptera).

Osteoprogenitor cells contribute to the development and maintenance of skeletal tissues. Bats are unique model taxa whose cellular processes are poorly understood, especially in regards to skeletal biology. Forelimb bones of bats, unlike those of…

Dewetting based fabrication of fibrous micro-scaffolds as potential injectable cell carriers.

Although regenerative medicine utilizing tissue scaffolds has made enormous strides in recent years, many constraints still hamper their effectiveness. A limitation of many scaffolds is that they form surface patches, which are not particularly…

Interleukin IL-12 blocks a specific subset of the transcriptional profile responsive to UVB in epidermal keratinocytes.

Interleukin-12 (IL-12) is a proinflammatory and immunomodulatory cytokine that plays a critical role it in innate and adaptive immunity by inducing production of interferon-gamma and other cytokines. IL-12 was shown to block the ultraviolet…

Tags: *Keratinocytes/metabolism/radiation effects, *Ultraviolet Rays, 2006, Blumenberg Miroslav, Cell Culture Techniques, Cells, Cultured, Epidermal Cells, Gene Expression Regulation/drug effects, Genetic/*radiation effects, Humans, Interleukin-12/*genetics/*metabolism/pharmacology, Molecular immunology, Molenda Matthew, Mukkamala Lakshmi, Transcription

Effects of FGF-2 and OP-1 in vitro on donor source cartilage for auricular reconstruction tissue engineering.

OBJECTIVE: Microtia is a congenital partial or total loss of the external ear with current treatment approaches involving autologous construction from costal cartilage. Alternatively, tissue engineering provides possible use of normal or microtia…

Wogonin, a natural flavonoid, intercalates with genomic DNA and exhibits protective effects in IL-1beta stimulated osteoarthritis chondrocytes.

Wogonin has recently been shown to possess anti-inflammatory and chondroprotective properties and is of considerable interest due to its broad pharmacological activities. The present study highlights that Wogonin binds DNA and exerts…

An effective and efficient method of transfecting primary human chondrocytes in suspension.

Human chondrocytes accumulate an ECM-rich matrix by secreting matrix macromolecules during monolayer culture, which makes them difficult to transfect efficiently. Here we report a non-viral based protocol to transfect the primary human chondrocytes…

Alignment of inducible vascular progenitor cells on a micro-bundle scaffold improves cardiac repair following myocardial infarction.

Ischemic heart disease is still the leading cause of death even with the advancement of pharmaceutical therapies and surgical procedures. Early vascularization in the ischemic heart is critical for a better outcome. Although stem cell therapy has…

Tags: *Cardiovascular regeneration, *Ischemic heart diseases, *Micro-bundle scaffold, *Myocardial infarction, *Neovascularization, *Stem cells, *Tissue Scaffolds, *Vascular progenitor cells, 2017, Animal, Animals, Basic research in cardiology, Cell Differentiation, Cell Proliferation, Cell Survival, Cells, Chilian William M, Coculture Techniques, Cultured, Cumpston Devan, Department of Integrative Medical Sciences, Disease Models, Dong Feng, Endothelial Progenitor Cells/metabolism/*transplantation, Enrick Molly, Fibroblast Growth Factor 2/metabolism, Hakobyan Tatev, Jamaiyar Anurag, Janota Danielle, Kolz Christopher L, Lactic Acid/*chemistry, Muscle, Myocardial Infarction/metabolism/pathology/physiopathology/*surgery, Myocardium/metabolism/*pathology, Myocytes, NEOMED College of Medicine, Newby Bi-Min Zhang, Ohanyan Vahagn, Paracrine Communication, Phenotype, Physiologic, Polyglycolic Acid/*chemistry, Polylactic Acid-Polyglycolic Acid Copolymer, Rats, Signal Transduction, Smooth, Smooth Muscle/metabolism/*transplantation, Song Hokyung, Sprague-Dawley, Stevanov Kelly, Time Factors, Tissue Engineering/*methods, Vascular Endothelial Growth Factor A/metabolism, Vascular/metabolism/*transplantation, Ventricular Remodeling, Wan Weiguo, Yin Liya

Type VI collagen increases cell survival and prevents anti-beta 1 integrin-mediated apoptosis.

Cell-matrix interactions are important in the development of the avian cornea. Type VI collagen is present within the periocular mesenchyme prior to the migration of cells into the corneal stroma and is abundant in the mature stroma. Whether the…

Pertubation of beta1 integrin function using anti-sense or function-blocking antibodies on corneal cells grown on fibronectin and tenascin.

During corneal development, neural crest derivatives from the periocular mesenchyme migrate into the cornea and differentiate into corneal fibroblasts. During this time, these cells interact with a variety of extracellular matrices for proper…

Subcellular localization and antiviral activity of carminic acid/poly r(A-U) combinations.

Carminic acid (CAR) enhances the antiviral activity of poly r(A-U) twelve-fold without increasing interferon induction, inactivating the vesicular stomatitis virus or inducing host cell cytotoxicity. Phase contrast photomicrographs of human foreskin…

Effects of bile acids and steroid/thyroid hormones on the expression of cholesterol 7 alpha-hydroxylase mRNA and the CYP7 gene in HepG2 cells.

The expression of cholesterol 7 alpha-hydroxylase mRNA levels in confluent HepG2 cultures was reduced by tauro- or glyco-conjugates of deoxycholate and chenodeoxycholate, but not by cholate. Ursodeoxycholates, on the other hand, stimulated the mRNA…

Monoamine-activated alpha 2-macroglobulin inhibits choline acetyltransferase of embryonic basal forebrain neurons and reversal of the inhibition by NGF and BDNF but not NT-3.

Monoamine-activated alpha 2-macroglobulin (alpha 2M) has recently been shown to inhibit the growth and survival of cholinergic neurons of the basal forebrain (Liebl and Koo: J Neurosci Res 35:170-182, 1993). The mechanism of this inhibitory effect is…

Tags: 1994, alpha-Macroglobulins/antagonists & inhibitors/*pharmacology, Animals, Biogenic Monoamines/*pharmacology, Brain-Derived Neurotrophic Factor, Cells, Choline O-Acetyltransferase/*antagonists & inhibitors, Cultured, Humans, Journal of neuroscience research, Koo P H, Liebl D J, Nerve Growth Factors/*pharmacology, Nerve Tissue Proteins/pharmacology, Neurons/drug effects/*metabolism, Neurotrophin 3, Prosencephalon/*cytology, Rats

Serotonin-activated alpha 2-macroglobulin inhibits neurite outgrowth and survival of embryonic sensory and cerebral cortical neurons.

Methylamine-modified alpha-2-macroglobulin (MA-alpha 2M) has been recently shown to inhibit the biological activity of beta-nerve growth factor (NGF) in promoting neurite outgrowth by embryonic dorsal root ganglia in culture (Koo PH, Liebl DJ, J…

Inhibition of nerve growth factor-stimulated neurite outgrowth by methylamine-modified alpha 2-macroglobulin.

alpha 2-Macroglobulin (alpha 2M) is a rather ubiquitous protein in extracellular spaces of mammals. It is an inhibitor of endopeptidases, can be modified by aliphatic amines, and combines with a number of hormones/cytokines such as beta-nerve growth…

Interaction of nerve growth factor with murine alpha-macroglobulin.

The murine nerve growth factor, when injected i.v. or, combined in vitro with plasma, was found largely associated with the mouse alpha-macroglobulin (a homologue of human alpha 2-macroglobulin). The nerve growth factor-alpha-macroglobulin complex…

Tags: 1989, alpha-Macroglobulins/*metabolism, Animals, Cells, Chick Embryo, Cultured, Ganglia, Journal of neuroscience research, Koo P H, Methylamines/pharmacology, Mice, Nerve Growth Factors/*metabolism, Spinal/*cytology/drug effects, Stach R W, Trypsin/pharmacology, Zinc/pharmacology

The presence of extracellular matrix alters the chondrocyte response to endoplasmic reticulum stress.

The objective of this study was to test the hypothesis that extracellular matrix (ECM) would alter the endoplasmic reticulum (ER) stress response of chondrocytes. Chondrocytes were isolated from calf knees and maintained in monolayer culture or…

Hepatocyte growth factor signaling pathway inhibits cholesterol 7alpha-hydroxylase and bile acid synthesis in human hepatocytes.

UNLABELLED: Bile acid synthesis in the liver is regulated by the rate-limiting enzyme cholesterol 7alpha-hydroxylase (CYP7A1). Transcription of the CYP7A1 gene is inhibited by bile acids and cytokines. The rate of bile acid synthesis is reduced…

Tags: 2007, Bile Acids and Salts/*biosynthesis, Cells, Chiang John Y L, Cholesterol 7-alpha-Hydroxylase/*biosynthesis, Cultured, Department of Integrative Medical Sciences, Ellis Ewa, Hepatocyte Growth Factor/*metabolism, Hepatocytes/*metabolism, Hepatology (Baltimore, Md.), Humans, NEOMED College of Medicine, Signal Transduction, Song Kwang-Hoon, Strom Stephen

Bile acids and cytokines inhibit the human cholesterol 7 alpha-hydroxylase gene via the JNK/c-jun pathway in human liver cells.

Cholesterol 7 alpha-hydroxylase (CYP7A1) of the bile acid biosynthesis pathway is suppressed by bile acids and inflammatory cytokines. Bile acids are known to induce inflammatory cytokines to activate the mitogen-activated protein kinase/c-Jun…

Glucagon and cAMP inhibit cholesterol 7alpha-hydroxylase (CYP7A1) gene expression in human hepatocytes: discordant regulation of bile acid synthesis and gluconeogenesis.

The gene encoding cholesterol 7alpha-hydroxylase (CYP7A1) is tightly regulated to control bile acid synthesis and maintain lipid homeostasis. Recent studies in mice suggest that bile acid synthesis is regulated by the fasted-to-fed cycle, and fasting…

MicroRNA-9 promotion of interleukin-6 expression by inhibiting monocyte chemoattractant protein-induced protein 1 expression in interleukin-1beta-stimulated human chondrocytes.

OBJECTIVE: Enhanced expression of interleukin-6 (IL-6) plays an important role in the pathogenesis of osteoarthritis (OA). Monocyte chemoattractant protein-induced protein 1 (MCPIP-1) is a novel posttranscriptional regulator of IL-6 expression and is…

Tags: 2015, Academic Medical Centers, Aged, Arthritis & rheumatology (Hoboken, N.J.), Articular/drug effects/*metabolism, Cartilage, Cells, Chondrocytes – Physiology, Chondrocytes/drug effects/*metabolism, Cultured, Department of Anatomy & Neurobiology, Enzyme-Linked Immunosorbent Assay, Funding Source, Gene Knockdown Techniques, Haqqi Tariq M, Haseeb Abdul, Hip/*genetics/metabolism, Human, Humans, Immunoblotting – Utilization, Immunoprecipitation, Interleukin-1beta/pharmacology, Interleukin-6/*genetics/metabolism, Interleukins – Physiology, Makki Mohammad S, Messenger/drug effects/*metabolism, MicroRNAs/drug effects/*genetics/metabolism, Middle Aged, NEOMED College of Medicine, Ohio, Osteoarthritis, Osteoarthritis – Complications, Osteoarthritis – Physiopathology, Reverse Transcriptase Polymerase Chain Reaction, Ribonucleases/drug effects/*genetics/metabolism, RNA, T-Tests, Transcription Factors/drug effects/*genetics/metabolism

MicroRNA-602 and microRNA-608 regulate sonic hedgehog expression via target sites in the coding region in human chondrocytes.

OBJECTIVE: Hedgehog (HH) signaling has recently been associated with cartilage degradation in osteoarthritis (OA). Because interleukin-1beta (IL-1beta) has been implicated as a principal instigator of OA, we sought to determine whether

Tags: 2015, Academic Medical Centers, Aged, Akhtar Nahid, Analysis of Variance, Animal, Animals, Anterior Cruciate Ligament/surgery, Arthritis & rheumatology (Hoboken, N.J.), Blotting, Cells, Chondrocytes – Physiology, Chondrocytes/drug effects/*metabolism/pathology, Cultured, Department of Anatomy & Neurobiology, Disease Models, Female, Funding Source, Gene Expression Regulation/genetics/*physiology, Haqqi Tariq M, Hedgehog Proteins/genetics/*metabolism, HEK293 Cells, Human, Humans, Immunohistochemistry, In Vitro Techniques, Interleukin-1beta/pharmacology, Knee/etiology/*metabolism/pathology, Makki Mohammad S, Male, Matrix Metalloproteinase 13/metabolism, MicroRNAs/genetics/*metabolism, Middle Age, Middle Aged, NEOMED College of Medicine, Ohio, Open Reading Frames/genetics/*physiology, Osteoarthritis, Osteoarthritis – Epidemiology, Osteoarthritis – Physiopathology, Polymerase Chain Reaction, Rabbits, Signal Transduction/genetics/physiology, T-Tests, Transfection, Up-Regulation/drug effects/genetics/physiology, Western

Age-related expression patterns of Bag-1 and Bcl-2 in growth plate and articular chondrocytes.

Aging cartilage displays increased chondrocyte apoptosis and decreased responsiveness of chondrocytes to growth factors. The molecular mechanisms responsible for these changes have not been identified. Bag-1 is a Bcl-2-binding protein that promotes…

Inhibition of dopamine and choline acetyltransferase concentrations in rat CNS neurons by rat alpha 1- and alpha 2-macroglobulins.

Previous studies have implicated human alpha-2-macroglobulin (alpha2M) as a potential regulator of neuronal development and function. Rat alpha-1-macroglobulin (alpha1M) and acute-phase alpha-2-macroglobulin (alpha2M) are murine homologues of human…

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