A2 adenosine receptors in human glomerular mesangial cells. 1995

V Stefanović, and P Vlahović
Institute of Nephrology and Hemodialysis, Faculty of Medicine, Nis, Yugoslavia.

A2 adenosine receptors were characterized in human glomerular mesangial cells using [3H]5'-N-ethylcarboxamidoadenosine (NECA) as a tracer. There was a single group of receptor sites with a KD of 184 nM, and a number of sites of 317 fmol/mg of cell protein. Adenosine agonists increased 5'-nucleotidase activity via A2 receptor stimulation. The specific A2 agonist-NECA, at 0.1 and 1 micron, was a potent inhibitor of DNA synthesis.

UI MeSH Term Description Entries
D005920 Glomerular Mesangium The thin membranous structure supporting the adjoining glomerular capillaries. It is composed of GLOMERULAR MESANGIAL CELLS and their EXTRACELLULAR MATRIX. Mesangium, Glomerular,Mesangial Extracellular Matrix,Extracellular Matrices, Mesangial,Extracellular Matrix, Mesangial,Glomerular Mesangiums,Matrices, Mesangial Extracellular,Matrix, Mesangial Extracellular,Mesangial Extracellular Matrices,Mesangiums, Glomerular
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000241 Adenosine A nucleoside that is composed of ADENINE and D-RIBOSE. Adenosine or adenosine derivatives play many important biological roles in addition to being components of DNA and RNA. Adenosine itself is a neurotransmitter. Adenocard,Adenoscan
D014316 Tritium The radioactive isotope of hydrogen also known as hydrogen-3. It contains two NEUTRONS and one PROTON in its nucleus and decays to produce low energy BETA PARTICLES. Hydrogen-3,Hydrogen 3
D015720 5'-Nucleotidase A glycoprotein enzyme present in various organs and in many cells. The enzyme catalyzes the hydrolysis of a 5'-ribonucleotide to a ribonucleoside and orthophosphate in the presence of water. It is cation-dependent and exists in a membrane-bound and soluble form. EC 3.1.3.5. 5'-AMP Nucleotidase,AMP Phosphatase,Adenylate Phosphatase,Antigens, CD73,CD73 Antigens,Cytidylate Phosphatase,Ecto-5'-Nucleotidase,IMP Nucleotidase,IMP Phosphatase,Inosinate Phosphatase,Pyrimidine 5'-Nucleotidase,Thymidine Phosphatase,Uridylate 5'-Nucleotidase,5'-Nucleotidase Phosphoribolase,Antigen, CD73,IMPase,5' AMP Nucleotidase,5' Nucleotidase,5' Nucleotidase Phosphoribolase,CD73 Antigen,Ecto 5' Nucleotidase,Pyrimidine 5' Nucleotidase,Uridylate 5' Nucleotidase
D015762 2-Chloroadenosine 2-Chloroadenosine. A metabolically stable analog of adenosine which acts as an adenosine receptor agonist. The compound has a potent effect on the peripheral and central nervous system. 2 Chloroadenosine
D018047 Receptors, Purinergic P1 A class of cell surface receptors that prefer ADENOSINE to other endogenous PURINES. Purinergic P1 receptors are widespread in the body including the cardiovascular, respiratory, immune, and nervous systems. There are at least two pharmacologically distinguishable types (A1 and A2, or Ri and Ra). Adenosine Receptors,P1 Purinoceptors,Purinergic P1 Receptors,Receptors, Adenosine,Adenosine Receptor,P1 Purinoceptor,Receptor, Purinergic P1,P1 Receptor, Purinergic,P1 Receptors, Purinergic,Purinergic P1 Receptor,Purinoceptor, P1,Purinoceptors, P1,Receptor, Adenosine
D019830 Adenosine-5'-(N-ethylcarboxamide) A stable adenosine A1 and A2 receptor agonist. Experimentally, it inhibits cAMP and cGMP phosphodiesterase activity. 5'-N-Ethylcarboxamidoadenosine,N-Ethylcarboxamidoadenosine,NECA,Adenosine-5'-N-ethyluronamide,N6-Ethyl-carboxamido Adenosine,5' N Ethylcarboxamidoadenosine,Adenosine 5' N ethyluronamide,Adenosine, N6-Ethyl-carboxamido,N Ethylcarboxamidoadenosine,N6 Ethyl carboxamido Adenosine

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