Somatostatin receptors
5 Hydroxytryptamine decreases somatostatin receptors and somatostatin responsive adenylyl cyclase in rat pancreatic acinar membranes
... The present study was therefore conducted to examine the effect of pretreating pancreatic acini with 5-m on the binding of the labeled stable SS analogue SMS 204-090 or Ty?-SMS to pancre[r] ...
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Glycine increases the number of somatostatin receptors and somatostatin mediated inhibition of the adenylate cyclase system in the rat hippocampus
... Since SS receptors are coupled via guanine nucleotide-binding G proteins to the adenylyi cyclase AC system, we also examined the inhibitory effects of SS and the guanine nucleotide GppNH[r] ...
9
Bombesin induces a reduction of somatostatin inhibition of adenylyl cyclase activity, Gi function, and somatostatin receptors in rat exocrine pancreas
... The physiological role of the decrease in the SS recep- tor– effector system induced by bombesin in the exocrine pancreas cannot be stated at this time. However, bombesin- like immunoreactivity was identified by ...
8
Differential effects of ethanol ingestion on somatostatin content,somatostatin receptors and adenylyl cyclase activity in thefrontoparietal cortex of virgin and parturient rats
... Excessive alcohol intake results in a variety of medical, psychological, and sociological disorders that have made alcoholism one of modern society T s major problems (Lynskey et al., 2003). Chronic ethanol exposure can ...
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Hippocampal somatostatin receptors and modulation of adenylyl cyclase activity in histamine treated rats
... / Molecular Brain Research 35 1996 77-83 Table 3 Effect of increasing concentrations of histamine 0.1 /.tg, 1.0 /zg or 10.0 p,g and of pretreatment with cimetidine 20 /~g/rat plus mepyra[r] ...
7
Histamine H1 receptors modulate somatostatin receptors coupled to the inhibition of adenylyl cyclase in the rat frontoparietal cortex
... SEVERAL immunocytochemical studies have demonstrated the existence of histaminergic neurons in the brain which are con- centrated in the tuberomammillary nucleus of the posterior hypothalamus and which project efferent ...
8
Els receptors ErbB en la resposta a l’estimulació adrenèrgica crònica en el ratolí
... pels receptors ErbB a l’hora de senyalitzar és la de formar homo- o ...dels receptors en les zones més ...quatre receptors co-localitzin en algunes de les zones del miòcit és suficient per pensar que ...
201
Caracterización de los efectos de las vitaminas A y E sobre la neurotransmisión somatostatinérgica en el hipocampo de la rata
... "Activation in vitro of somatostatin receptor subtypes 2, 3, or 4 stimulates protein tyrosine phosphatase activity in membranes from transfected Ras-transformed NIH 3T3 cells: coexpressi[r] ...
311
Ethanol induced modification of somatostatin responsive adenylyl cyclase in rat exocrine pancreas
... The inhibitory effect of Gpp[NH]p on FK-stimulated AC was markedly decreased in pancreatic acinar membranes from ethanol-treated and ethanol withdrawal 2 weeks rats, which suggests an ab[r] ...
7
The somatostatin receptor adenylate cyclase system in rat pancreatic acinar membranes after temporary pancreaticobiliary duct ligation
... TABLE I Pancreatic somatostatin-like immunoreactive SSLI content and equilibrium parameters for [‘*‘ITy?]SMS binding to rat pancreatic acinar membranes at fourteen hours after pancreatic[r] ...
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I Neurotransmitters, Receptors, Signal Transduction, and Second Messengers
... 63 Treatment of Child and Adolescent Disorders. Pliszka,M.D[r] ...
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Cell surface translational dynamics of nicotinic acetylcholine receptors
... immobile receptors is observed upon cholesterol depletion of the cells, especially dur- ing the initial 10 ...antibody-crosslinked receptors were additionally depleted of ...
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The lipid habitats of neurotransmitter receptors in brain
... neurotransmitter receptors can be in fl uenced by cholesterol through three not mutually exclu- sive mechanisms: i) changes in bulk membrane fl uidity that may in- fl uence the ability of receptors to undergo ...
9
Estudi de la capacitació de l'espermatozoide i com les interaccions embrió-endometri poden inhibir-se per la presència d'una resposta autoimmunitària
... La fecundació és el resultat de la fusió d'un espermatozoide amb l'oòcit. En el moment de l'ejaculat, millions d'espermatozoides són dipositats a la vagina, d'aquests, uns milers viatgen al llarg del tracte reproductor ...
113
Effects of fasting and refeeding on somatostatin concentration and binding to cytosol from rabbit gastric mucosa
... It has recently been shown in various tissues that the majority of cellular somatostatin-binding sites are located intracellularly,"" and there is evidence that the intracellular binding[r] ...
5
TítuloEndocannabinoid CB1 receptors modulate visual output from the thalamus
... CB1 receptors, rather than favoring a particular “state”, may serve to maintain “balance” in an almost homeostatic way, preventing overexcitation or suppression while maintaining information throughput at some ...
14
Autocrine regulation of human prostate carcinoma cell proliferation by somatostatin through the modulation of the SH2 domain containing protein tyrosine phosphatase (SHP) 1
... cell line. However, PC-3 is a highly invasive, androgen- independent, and less differentiated human prostatic cancer cell line (46). Moreover, the tumors formed by both cell lines after injections in athymic mice are ...
12
Spatiotemporal dynamics of nicotinic acetylcholine receptors and lipid platforms
... synaptic receptors is normally maintained by the combination of exchange of receptors with non- synaptic regions, a diffusional phenomenon occurring in the time course of minutes, and the turnover of cell ...
20
Aterosclerosi i citocines: influència de CCL2 i els seus receptors
... associaterosclerosid receptors may change in diseased arteries that have been responsible for the death of patients with coronary artery disease (CAD) as compared to healthy ...
279
Localization and Function of Cat Carotid Body Nicotinic Receptors
... [125I]ct-BGT binding in normal, CSN-denervated and sympathectomized (removal of superior cervical ganglion) cat carotid bodies. Note unaltered specific binding with increased non-[r] ...
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