Adenylate Cyclase in Paraneurons. A Histochemical Study
نویسندگان
چکیده
منابع مشابه
E VALUATION OF ADENYLATE CYCLASE ACTIVITY IN MITRAL VALVE PROLAPSE
The term mitral valve prolapse (MVP) is used for a particular subset of patients with hyperadrenergic dysautonomia. It occurs when part of a leaflet or both leaflets of the mitral valve extend above the plane of the atrioventricular junction during ventricular systole. The adenylate cyclase activity in MVP dys-autonomia was studied by extraction of enzyme from the erythrocytes from 62 norma...
متن کاملPitfalls in the use of lead nitrate for the histochemical demonstration of adenylate cyclase activity
The biochemistry of the lead histochemical technique for demonstrating adenylate cyclase was studied. The enzyme activity of fat cell plasma membranes, using 5'-adenylyl-imidodiphosphate (AMP-PNP) as substrate, was completely inhibited at 1 times 10- minus 4 M Pb(NO3)2 and yet at 4 times 10- minus 3 M Pb(NO3)2 precipitate could be demonstrated by electron microscopy on both sides of plasma memb...
متن کاملHistochemical Localization o f Adenylate Cyclase in Hormonally Sensitized Rat End ometrium
In rodents, decidual cell reaction (DCR) occurs in response to blastocysts or artificial stimuli applied to the endometrium sensitized by an appropriate regimen of hormonal treatment.1 Evidence has recently accumulated suggesting the involvement of prostaglandins (PGs) and cyclic adenosine-3',5'-monophosphate (CAMP) in the incidence and development of DCR.2>>3~ Uterine concentrations of these c...
متن کاملadenylate cyclase activity
Adipocyte membranes from control rats exhibited a functional Gi (inhibitory guanine-nucleotide-binding protein) activity which could be assessed either by the inhibitory action of low concentrations of guanosine 5-[/Jy-imido]triphosphate (p[NH]ppG) upon forskolin-stimulated adenylate cyclase activity or by the inhibitory action of high concentrations of GTP upon isoprenaline-stimulated adenylat...
متن کاملForskolin-activated Adenylate Cyclase
Forskolin activated adenylate cyclase of purified rat adipocyte membranes in the absence of exogenous guanine nucleotides. Guanyl-5”yl imidodiphosphate (Gpp(NH)p) inhibited the forskolin-activated cyclase immediately upon addition of the nucleotide at concentrations too low to activate adenylate cyclase (lo-’ to M). Inhibition seen with a very high concentration of Gpp(NH)p M) lasted for 3-4 m...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Archivum histologicum japonicum
سال: 1977
ISSN: 0004-0681
DOI: 10.1679/aohc1950.40.supplement_49