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Under the optimum chromatographic conditions, the retention time (Tr) of four kinds of standard reference substance including uridine, guanosine, adenosine and cordycepin, was 4.
Involvement of a nitric oxide cyclic guanosine pathway in control of human contractility during pregnancy.
Herein, we report a mild procedure for the oxidation of 2',3'-biscarboxybenzyloxy protected guanosine to the corresponding 5'-carboxylic acid derivative in excellent yield.
Another possible mechanism involves l-arginine-nitric oxide (NO)-cyclic guanosine monophosphate (cGMP) signaling pathway.
Residual guanosine 3', 5'-bispyrophosphate synthetic activity of relA null mutants can be eliminated by spoT null mutations.
The drug inhibits the enzyme phosphodiesteras-5 (PDE-5), which is responsible for removing the enzyme cyclic guanosine monophosphate (cGMP) (Adams & Koch, 2009).
Four conserved deletions were shown among all HP-PRRSVs, including an adenosine deletion at position 122 in the 5'-untranslated region, a guanosine deletion at position 15,278 in the 3'untranslated region, and 2 discontinuous deletions in the NSP-2, including a single amino acid deletion at position 482 ([L.
These differences include variations in three nucleotides -- adenosine, guanosine and usine -- which excite or relax the nervous system and influence sleep.
PL-3994 produced dose-related decreases in blood pressure, increases in plasma cGMP (cyclic guanosine monophosphate), a natural messenger nucleotide, and increases in urine volume and sodium excretion.
Cyclic guanosine monophosphate (cGMP) does not stimulate pigment aggregation in Palaemonetes pugio ovarian chromatophores (Lambert and Fingerman, 1979), and the lipid-soluble analog, db-cGMP, does not cause pigment aggregation in M.
Viagra blocks an enzyme that normally breaks down cyclic guanosine monophosphate (cGMP), the substance that is produced in response to nitric oxide stimulation and is actually responsible for blood vessel dilation.
They're disorders that roll off the tongue like succinic semialdehyde dehydrogenase deficiency, guanosine triphosphate cyclohydrolase I deficiency, and aromatic Lamino acid decarobxylase deficiency.