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In experiential studies, isoenzymes, which are distinct forms of alkaline phosphatase generated by these tumors, can raise the total volume of alkaline phosphatase in the blood. The Regan isoenzyme [clarification needed] [13] is one of the best studied [clarification needed] of these isoenzymes that is linked to several human cancers. Basically ...
The enzyme alkaline phosphatase (ALP, alkaline phenyl phosphatase, also abbreviated PhoA) is a phosphatase with the physiological role of dephosphorylating compounds. The enzyme is found across a multitude of organisms, prokaryotes and eukaryotes alike, with the same general function, but in different structural forms suitable to the environment they function in. Alkaline phosphatase is found ...
3.) Isoenzymes of alkaline phosphatase: [7] Six isoenzymes have been identified. The enzyme is a monomer, the isoenzymes are due to the differences in the carbohydrate content (sialic acid residues). The most important ALP isoenzymes are α 1-ALP, α 2-heat labile ALP, α 2-heat stable ALP, pre-β ALP and γ-ALP.
Calf-intestinal alkaline phosphatase (CIAP/CIP) is a type of alkaline phosphatase that catalyzes the removal of phosphate groups from the 5' end of DNA strands and phosphomonoesters from RNA. [ 1 ] [ 2 ] This enzyme is frequently used in DNA sub-cloning , as DNA fragments that lack the 5' phosphate groups cannot ligate . [ 3 ]
Reference ranges for blood tests, showing acid phosphatase in red at left. Acid phosphatase catalyzes the following reaction at an optimal acidic pH (below 7): a phosphate monoester + H 2 O = an alcohol + phosphate. Phosphatase enzymes are also used by soil microorganisms to access organically bound phosphate nutrients.
M2-PK, as measured in feces, is a potential tumor marker for colorectal cancer.When measured in feces with a cutoff value of 4 U/ml, its sensitivity has been estimated to be 85% (with a 95% confidence interval of 65 to 96%) for colon cancer and 56% (confidence interval 41–74%) for rectal cancer. [1]
Alanine transaminase (ALT), also known as alanine aminotransferase (ALT or ALAT), formerly serum glutamate-pyruvate transaminase (GPT) or serum glutamic-pyruvic transaminase (SGPT), is a transaminase enzyme (EC 2.6.1.2) that was first characterized in the mid-1950s by Arthur Karmen and colleagues. [1]
Vasoactive intestinal peptide, also known as vasoactive intestinal polypeptide or VIP, is a peptide hormone that is vasoactive in the intestine. VIP is a peptide of 28 amino acid residues that belongs to a glucagon/secretin superfamily , the ligand of class II G protein–coupled receptors . [ 5 ]