نتایج جستجو برای: adm
تعداد نتایج: 2909 فیلتر نتایج به سال:
در این رساله مسأل? تیر ناهمگن انعطاف پذیر بررسی شده است. ابتدا مسئل? مذکور برای حالتی که ممان اینرسی تیر ناهمگن، در امتداد طولی یکنواخت بوده و تحت بار متمرکز انتهایی باشد، حل شده است. در فرمولبندی معادلات حاکم توزیع خواص مکانیکی متغیر ناشی از ناهمگن بودن تیر و نیز غیرخطی های هندسی ناشی از تغییرشکلهای بزرگ در نظر گرفته شده است. در این حالت سه روش حل تحلیلی، تحلیلی-تقریبی بنام adm و عددی (به کمک ...
Previous studies suggest that in amyotrophic lateral sclerosis (ALS) the abductor pollicis brevis (APB) and first dorsal interosseous (FDI) are more severely involved than abductor digiti minimi (ADM). To elucidate the pattern, frequency, extent, and specificity of such dissociated muscle atrophy in ALS, compound muscle action potentials recorded from APB, FDI, and ADM were analyzed in 77 ALS p...
Adriamycin (ADM) is a drug used in the treatment of various types of cancer and exerts an antineoplastic effect mainly through the induction of apoptosis. Phosphoinositide 3 kinase (PI3K)/Akt and MAPK are fundamental survival pathways activated by exposure to most chemotherapeutical agents. However, the role of these pathways in the ADM-induced apoptosis of leukemia cells remains unclear. In th...
BACKGROUND Although acellular dermal matrix (ADM) is a widely used graft material for abdominal wall repair, differences in processing methods might yield different healing activities. The aim of this study was to compare the healing effects of two human-derived ADM prototypes in abdominal wall reconstruction. MATERIALS AND METHODS A standardized 15×50 mm abdominal wall defect was created in ...
BACKGROUND Adrenomedullin (ADM), a new vasorelaxing and natriuretic peptide, may function as an endogenous regulator of cardiac function, because ADM and its binding sites have been found in the heart. We characterize herein the cardiac effects of ADM as well as the underlying signaling pathways in vitro. METHODS AND RESULTS In isolated perfused, paced rat heart preparation, infusion of ADM a...
Adrenomedullin (ADM), a multifunctional regulatory peptide, is potentially induced by hypoxia in physiological and pathological tissues, including many types of malignant tumors. Recent research has demonstrated that ADM expression is highly associated with the prognosis and disease severity of human osteosarcoma. However, the effect of ADM on the apoptosis of osteosarcoma cells and its possibl...
Intrahepatic cholangiocellular carcinoma (ICC) is the second most common type of primary liver cancer. However, its etiology and molecular pathogenesis remain largely unknown. The present study aimed to investigate the association between adrenomedullin (ADM) and epithelial-mesenchymal transition (EMT) in ICC and to elucidate the underlying signaling pathway. We evaluated the clinical significa...
RIA of nonpregnant rat uterus extracts showed 0.68 +/- 0.08 pmol/g adrenomedullin (ADM) and 3.23 +/- 0.08 pmol/g calcitonin gene-related peptide (CGRP). In the pregnant (20 days gestation) uterus, the ADM content was 0.90 +/- 0.17 pmol/g, and CGRP could not be detected. ADM messenger RNA was detected at high levels in the uterus, with a 1.8-fold increase in expression in pregnancy. Pharmacologi...
Rheumatoid arthritis (RA) is characterized by fibroblast-like synoviocyte (FLS) hyperplasia, which is partly ascribable to decreased apoptosis. In this study, we show that adrenomedullin (ADM), an antiapoptotic peptide, is constitutively secreted in larger amounts by FLS from joints with RA (RA-FLS) than with osteoarthritis (OA-FLS). ADM secretion was regulated by TNF-alpha. Peptidylglycine alp...
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