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Proximal inhibition of p38 MAPK stress signaling prevents distal axonopathy

The p38 mitogen-activated protein kinase (MAPK) isoforms are phosphorylated by a variety of stress stimuli in neurodegenerative disease and act as upstream activators of myriad pathogenic processes. Thus, p38 MAPK inhibitors are of growing interest…

Protective effect of endogenous beta-adrenergic tone on lung fluid balance in acute bacterial pneumonia in mice

Some investigators have reported that endogenous beta-adrenoceptor tone can provide protection against acute lung injury. Therefore, we tested the effects of beta-adrenoceptor inhibition in mice with acute Escherichia coli pneumonia. Mice were…

Nrf2/ARE pathway attenuates oxidative and apoptotic response in human osteoarthritis chondrocytes by activating ERK1/2/ELK1-P70S6K-P90RSK signaling axis.

Nrf2, a redox regulated transcription factor, has recently been shown to play a role in cartilage integrity but the mechanism remains largely unknown. Osteoarthritis (OA) is a multifactorial disease in which focal degradation of cartilage occurs.…

Overexpression of beta-catenin and cyclinD1 predicts a poor prognosis in ovarian serous carcinomas.

UNLABELLED: Ovarian serous cancer is the most common subtype of epithelial ovarian cancer, and is the leading cause of death from gynecologic cancer. There is an important need for exploration of diagnostic and prognostic markers for this disease.…

Advanced osteoarthritis in humans is associated with altered collagen VI expression and upregulation of ER-stress markers Grp78 and bag-1.

To test the hypothesis that a perturbation of endoplasmic reticulum (ER) function is involved in the pathogenesis of osteoarthritis (OA), articular cartilage was isolated from non-OA patients secondary to resection of osteo- or chondrosarcomas.…

Suppression of acute proinflammatory cytokine and chemokine upregulation by post-injury administration of a novel small molecule improves long-term neurologic outcome in a mouse model of traumatic brain injury.

BACKGROUND: Traumatic brain injury (TBI) with its associated morbidity is a major area of unmet medical need that lacks effective therapies. TBI initiates a neuroinflammatory cascade characterized by activation of astrocytes and microglia, and…

Early upregulation of myocardial CXCR4 expression is critical for dimethyloxalylglycine-induced cardiac improvement in acute myocardial infarction.

The stromal cell-derived factor-1 (SDF-1):CXCR4 is important in myocardial repair. In this study we tested the hypothesis that early upregulation of cardiomyocyte CXCR4 (CM-CXCR4) at a time of high myocardial SDF-1 expression could be a strategy to…

Tags: 2016, alpha Subunit/metabolism, American journal of physiology. Heart and circulatory physiology, Amino Acids, Animal, Animals, Apoptosis/drug effects, Cardiotonic Agents/*pharmacology, Cell Hypoxia, Cell Line, Chilian William M, CXCR4/deficiency/genetics/*metabolism, Department of Integrative Medical Sciences, Dicarboxylic/*pharmacology, Disease Models, Dong Feng, Enzyme Inhibitors/pharmacology, Forudi Farhad, hypoxia, Hypoxia-Inducible Factor 1, Hypoxia-Inducible Factor-Proline Dioxygenases/antagonists & inhibitors/metabolism, Inbred C57BL, Kiedrowski Matthew, Knockout, Left/*drug effects, Mayorga Mari, Mice, myocardial infarction, Myocardial Infarction/*drug therapy/genetics/metabolism/pathology/physiopathology, Myocardium/*metabolism/pathology, NEOMED College of Medicine, Penn Marc S, Rats, Receptors, Recovery of Function, Shamhart Patricia, Signal Transduction/drug effects, stem cells, Stem Cells/drug effects/metabolism, Stroke Volume/drug effects, Time Factors, Up-Regulation, Ventricular Function, Weber Kristal

Mechanism of rifampicin and pregnane X receptor inhibition of human cholesterol 7 alpha-hydroxylase gene transcription.

Bile acids, steroids, and drugs activate steroid and xenobiotic receptor pregnane X receptor (PXR; NR1I2), which induces human cytochrome P4503A4 (CYP3A4) in drug metabolism and cholesterol 7 alpha-hydroxylase (CYP7A1) in bile acid synthesis in the…

MicroRNA-223 ameliorates alcoholic liver injury by inhibiting the

OBJECTIVES: Chronic-plus-binge ethanol feeding activates neutrophils and exacerbates liver injury in mice. This study investigates how recent excessive drinking affects peripheral neutrophils and liver injury in alcoholics, and how miR-223, one of…

Tags: *CYTOKINES, *ETHANOL, *FATTY LIVER, *Inflammation, *LEUKOCYTES, 2017, Adult, Alanine Transaminase/blood, Alcoholic/genetics/*metabolism/pathology, Alcoholism/*blood/complications, Animals, Aspartate Aminotransferases/blood, Bilirubin/blood, Binge Drinking/*blood/complications, Cai Yan, Cao Haixia, Case-Control Studies, Central Nervous System Depressants/administration & dosage, Department of Integrative Medical Sciences, Department of Pharmaceutical Sciences, Down-Regulation, Ethanol/administration & dosage, Female, Feng Dechun, Gao Bin, Gao Yanhang, Gao Yueqiu, Gut, He Yong, Humans, Inbred C57BL, Interleukin-6/genetics/metabolism, Li Man, Liangpunsakul Suthat, Liver Diseases, Male, Mice, MicroRNAs/*blood/*genetics, Middle Aged, NADPH Oxidases/genetics/metabolism, NEOMED College of Medicine, NEOMED College of Pharmacy, Neutrophils/*metabolism, Ramirez Teresa, Reactive Oxygen Species/metabolism, Ross Ruth A, Up-Regulation, Xu Ming-Jiang, Young Adult, Zhang Ping, Zhou Zhou

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…

miR-139 modulates MCPIP1/IL-6 expression and induces apoptosis in human OA chondrocytes.

IL-6 is an inflammatory cytokine and its overexpression plays an important role in osteoarthritis (OA) pathogenesis. Expression of IL-6 is regulated post-transcriptionally by MCPIP1. The 3' untranslated region (UTR) of MCPIP1 mRNA harbors a miR-139…

Substance P in the uterine cervix, dorsal root ganglia and spinal cord during pregnancy and the effect of estrogen on SP synthesis.

Prior to parturition the non-pliable uterine cervix undergoes a ripening process ("softens" and dilates) to allow a timely passage of the fetus at term. The exact mechanism(s) triggering and involved in cervical ripening are unknown, though evidence…

Anthocyanin-rich black currant (Ribes nigrum L.) extract affords chemoprevention against diethylnitrosamine-induced hepatocellular carcinogenesis in rats.

Anthocyanins are known to possess potent anticarcinogenic properties against several cancers thus demonstrating potential for cancer prevention. Black currant (Ribes nigrum L., Grossulariaceae) fruits have a high anthocyanin content. This…

Regulation of CYP4F2 leukotriene B4 omega-hydroxylase by retinoic acids in HepG2 cells.

The human CYP4F2 gene encodes a LTB4 omega-hydroxylase P450 prominently expressed in liver and kidney that functions to metabolize and inactivate the pro-inflammatory eicosanoids, LTB4 and arachidonic acid. HepG2 cells transfected with CYP4F2 -506/-6…

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