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Alterations of epinephrine-induced gluconeogenesis in aging

Kim K, Cho SC, Cova A, Jang IS, Park SC

The effects of glucagon and epinephrine on gluconeogenesis in young (4 month) and old (24 month) Fisher 344 rat hepatocytes were compared. In contrast to glucagon, which had a similar...
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Chromosomal instability is more frequent in metastasized than in non-metastasized pulmonary carcinoids but is not a reliable predictor of metastatic potential

Warth A, Herpel E, Krysa S, Hoffmann H, Schnabel P, Schirmacher P, Mechtersheimer G, Blaker H

Pulmonary carcinoids are infrequent neoplasms of the lung that normally display a less aggressive biological behavior compared to small cell and non-small cell lung cancers. Approximately 15-25% of carcinoids, in...
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Tunicamycin enhances TRAIL-induced apoptosis by inhibition of cyclin D1 and the subsequent downregulation of survivin

Zhang HY, Du ZX, Liu BQ, Gao YY, Meng X, Guan Y, Deng WW, Wang HQ

TNF-related apoptosis-inducing ligand (TRAIL) has been proposed as a promising cancer therapy that preferentially induces apoptosis in cancer cells, but not most normal tissues. However, many cancers are resistant to...
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ICAM-1/LFA-1 interaction contributes to the induction of endothelial cell-cell separation: implication for enhanced leukocyte diapedesis

Wee H, Oh HM, Jo JH, Jun CD

The basic route and mechanism for diapedesis has not yet to be fully defined. Here we present evidence that "cell-cell separation" between endothelial cells (ECs) may provide a route for...
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LL-37 inhibits serum amyloid A-induced IL-8 production in human neutrophils

Lee HY, Kim SD, Shim JW, Lee SY, Yun J, Bae YS

Serum amyloid A (SAA) has been regarded as an important mediator of inflammatory responses. The effect of several formyl peptide receptor-like 1 (FPRL1) ligands on the production of IL-8 by...
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Calcitonin induces connective tissue growth factor through ERK1/2 signaling in renal tubular cells

Nakamura M, Ozaki T, Ishii A, Konishi M, Tsubota Y, Furui T, Tsuda H, Mori I, Ota K, Kakudo K

Calcitonin (CT), a polypeptide hormone, plays important roles in a variety of physiological processes. CT has been used clinically to treat osteoporosis and humoral hypercalcemia of malignancy. In order to...
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Soluble mediators from mesenchymal stem cells suppress T cell proliferation by inducing IL-10

Yang SH, Park MJ, Yoon IH, Kim SY, Hong SH, Shin JY, Nam HY, Kim YH, Kim B, Park CG

Mesenchymal stem cells (MSCs) can inhibit T cell proliferation; however, the underlying mechanisms are not clear. In this study, we investigated the mechanisms of the immunoregulatory activity of MSCs on...
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Polymorphisms of COTL1 gene identified by proteomic approach and their association with autoimmune disorders

Jin EH, Shim SC, Kim HG, Chae SC, Chung HT

To select candidate genes, we attempted to comparative analysis of protein levels between rheumatoid arthritis (RA) patients and healthy controls by two-dimensional electrophoresis (2-DE) and matrix-assisted laser desorption ionization mass...
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Repression of TNF-alpha-induced IL-8 expression by the glucocorticoid receptor-beta involves inhibition of histone H4 acetylation

Kim SH, Kim DH, Lavender P, Seo JH, Kim YS, Park JS, Kwak SJ, Jee YK

Increased expression of a number of proinflammatory genes, including IL-8, is associated with inflammatory conditions such as asthma. Glucocorticoid receptor (GR)beta, one of the GR isoforms, has been suggested to...
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