نتایج جستجو برای: secretion
تعداد نتایج: 130335 فیلتر نتایج به سال:
Background: Newer antidiarrheal agents include the mucoprotectants gelatin tannate and xyloglucan. Methods: Rat models of cholera toxin (CT)-induced water secretion were used to evaluate mucoprotective effects tannate, xyloglucan, related compounds. Results: Oral pretreatment for 4 days with (250 500 mg/kg/day), but not tannic acid or (both 125 blocked CT-induced intestinal secretion. was also ...
During the last five years the recognition of ionic channels in the parietal cells of stomach and acid chloride mechanisms of secretion by these cells has become totally clear by the "Patch Oamp" technique. The apical cytoplasm in the oxyntic cells are in the form of vesicles where membranes contain H+, K+ -ATPase pump. Stimulation causes fusion of these tubular vesicles with the cell membran o...
Background: The purpose of our study was to evaluate an inexpensive and available method to reduce mucous impactions in mechanically ventilated patients.Methods: This randomized clinical trial was conducted on 40 mechanically ventilated patients aged 15-90 years. The patients were randomly allocated into two arms; 20 cases and 20 controls. The cases received N-acetylcysteine via their nebulizer...
Background: The body’s strategy for coping with pain and stress in the delivery process is the secretion of opioid peptides, including β-endorphins. The aim of this study was to investigate the factors related to the concentration of umbilical cord blood β -endorphins in newborns born of primiparous women. Methods: In this descriptive study, 80 umbilical cord blood samples from neonates of pri...
Background: Noscapine is cough suppressant drug with cell inhibitory effect. It is introduced for anti-cancer treatment. The aim of present study was to determine in vitro noscapine effect on nitric oxide (NO) secretion by human endometrial stromal cells. Materials and Methods: Human endometrial biopsies (n=8) were obtained in sterile condition and were chopped mechanically and digested by enzy...
The hormone leptin is released by adipocytes accordingly to current energy stores suppress appetite. Apart from this, acts as a proinflammatory cytokine and strongly stimulates inflammation. Immune-modulating properties are partly achieved affecting T-cell maturation, polarization, viability. Leptin rises inflammatory cells count, increases secretion, impairs regulatory T-lymphocytes differenti...
Abstract Reactive oxygen species and oxidative stress impair β-cell function and reduce insulin secretion. It has been shown that progesterone and cilostazol possess antioxidant properties. The present study was aimed to investigate in vitro pretreatment effect of progesterone and cilostazol on insulin secretion as well as their protective effects against hydrogen peroxide-induced oxidative str...
Introduction: Gonadotropin inhibitory hormone (GnIH) is believed to be an inhibitor of gonadotropin releasing hormone (GnRH) secretion. The role of GnIH in lactational inhibition of gonadotropin secretion is not well known therefore, the aim of the present study was to evaluate the effect of lactation on expression of GnIH in these nuclei of lactating and non-lactating rats. Methods: Ten po...
Introduction: Gonadotropin inhibitory hormone (GnIH) has been known as a key inhibitor of the secretion of gonadotropin releasing hormone (GnRH). Ewe has estrous cycles comprising of follicular and luteal phases. Follicular phase is in turn divided into proestrous and estrous phases. Blood level of LH increases in follicular and decreases in luteal phases. The aim of the present study was to...
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