نتایج جستجو برای: adrenomedullin
تعداد نتایج: 1928 فیلتر نتایج به سال:
Human adrenomedullin is a potent vasodilator with bronchodilation properties. The effects of adrenomedullin on antigen-induced bronchoconstriction and airway microvascular leakage in guinea-pigs was investigated. The portion of the adrenomedullin molecule possessing these pulmonary active profiles was also examined, using two truncated adrenomedullin molecules: adrenomedullin (1-25) and adrenom...
This study was designed to investigate the synthesis and action of adrenomedullin in the rat adrenal gland. The results obtained from in situ hybridization and immunocytochemical studies suggest that adrenomedullin is synthesized not only in the medulla, but also within the zona glomerulosa of the rat adrenal cortex. Findings from in situ hybridization and binding studies also suggested that sp...
Adrenomedullin is a recently discovered hypotensive peptide that is expressed in a variety of cell and tissue types. Using the technique of differential display, the adrenomedullin gene was observed to be differentially expressed in developing rat heart. Reverse transcription-polymerase chain reaction analysis revealed that the level of adrenomedullin mRNA was significantly higher in adult vent...
Adrenomedullin, a potent hypotensive peptide, reduces blood pressure and pulmonary vascular resistance, and increases pulmonary blood flow. The mRNA for adrenomedullin and its receptor is highly expressed in the lung, suggesting a regulatory role for adrenomedullin in the pulmonary circulation. To investigate the clinical significance of adrenomedullin in patients with pulmonary hypertension, w...
The current study investigated adrenomedullin as a potential autocrine regulator of pancreatic cancer cell function. Adrenomedullin was localized in the neoplastic epithelium of 90% (43 of 48) of human pancreatic adenocarcinomas analyzed by immunohistochemistry and was expressed by 100% (8 of 8) of pancreatic cancer cell lines analyzed by reverse transcription-PCR. Pancreatic cancer cell lines ...
PURPOSE Pancreatic cancer frequently causes diabetes. We recently proposed adrenomedullin as a candidate mediator of pancreatic β-cell dysfunction in pancreatic cancer. How pancreatic cancer-derived adrenomedullin reaches β cells remote from the cancer to induce β-cell dysfunction is unknown. We tested a novel hypothesis that pancreatic cancer sheds adrenomedullin-containing exosomes into circu...
Adrenomedullin is a novel peptide that elicits a long-lasting vasorelaxant activity. Recently, we found high concentrations of adrenomedullin in maternal and umbilical cord plasma and in amniotic fluid in full-term human pregnancy, indicating a role of this peptide during gestation. To investigate the possibility that adrenomedullin is involved in the pathophysiology of preeclampsia, we measure...
Matrix metalloproteinases (MMPs) may limit severely the pulmonary vasodilatory and inotropic effects of adrenomedullin during pulmonary hypertension. While doxycycline inhibits MMPs and prevents the hemodynamic disorders associated with acute pulmonary embolism (APE), no previous study evaluated if doxycycline enhances adrenomedullin-induced pulmonary vasodilation and contributes to the attenua...
RATIONALE Adrenomedullin, a potent vasodilator peptide, regulates cell growth and survival. However, whether adrenomedullin contributes to lung regeneration remains unknown. OBJECTIVES To investigate whether adrenomedullin influences the kinetics of bone marrow cells, and whether adrenomedullin promotes regeneration of alveoli and vasculature and thereby improves lung structure and function i...
PURPOSE To evaluate the mechanisms underlying sunitinib resistance in RCC and to identify targets that may be used to overcome this resistance. RESULTS Reanalysis of transcriptome microarray datasets (GSE64052 and GSE76068) showed that adrenomedullin expression was increased in sunitinib-resistant tumors. And adrenomedullin expression was increased in sunitinib-resistant tumor xenografts, acc...
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