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[1] [2] Chemically, it is a methyl derivative of the amino acid arginine. It is used as a biochemical tool in the study of physiological role of nitric oxide . The inhibiting effect of N -methylarginine on vasodilation is lower in hypertensive patients than in normal subjects, indicating endothelial dysfunction . [ 3 ]
Methylergometrine is sometimes used for both prevention [6] and acute treatment [7] of migraine. It is an active metabolite of methysergide. [8] In the treatment of cluster headaches, methylergometrine has been initiated at a dose of 0.2 mg/day, rapidly increased to 0.2 mg three times per day, and increased to a maximum of 0.4 mg three times per day.
A close relative to tetramantane (a higher homologue of adamantane), its proper name is nonacyclo[11.7.1.1 12,18.0 3,16.0 4,13.0 5,10.0 6,14.0 7,11.0 15,20]docosane. Because its unusual ethano-bridge was a deviation from the standard hydrocarbon caged rearrangements, it came to be known as bastardane—the unwanted child.
Methionine ball and stick model spinning. Methionine (symbol Met or M) [3] (/ m ɪ ˈ θ aɪ ə n iː n /) [4] is an essential amino acid in humans.. As the precursor of other non-essential amino acids such as cysteine and taurine, versatile compounds such as SAM-e, and the important antioxidant glutathione, methionine plays a critical role in the metabolism and health of many species ...
This multi-page article lists pharmaceutical drugs alphabetically by name. Many drugs have more than one name and, therefore, the same drug may be listed more than once. ...
LY-344,545 is a research drug developed by the pharmaceutical company Eli Lilly, which acts as an antagonist for the metabotropic glutamate receptor subtype mGluR 5. It is an epimer of another metabotropic glutamate receptor antagonist, the mGluR 2/3 -selective LY-341,495 .
Met-enkephalin is synthesized from proenkephalin via proteolytic cleavage [4] in two metabolic steps. Proenkephalin A is first reduced by either one of two trypsin-like endopeptidase enzymes, prohormone convertase 1 (PC1) or prohormone convertase 2 (PC2); then, the resulting intermediates are further reduced by the enzyme carboxypeptidase E (CPE; previously known as enkephalin convertase (EC)).
Phenyltropanes (PTs) are a family of chemical compounds originally derived from structural modification of cocaine.The main feature differentiating phenyltropanes from cocaine is that they lack the ester functionality at the 3-position terminating in the benzene; and thusly the phenyl is attached direct to the tropane skeleton with no further spacer (therefore the name "phenyl"-tropane) that ...