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Glucose isomerase (also known as xylose isomerase) catalyzes the conversion of D-xylose and D-glucose to D-xylulose and D-fructose. Like most sugar isomerases, glucose isomerase catalyzes the interconversion of aldoses and ketoses. [24] The conversion of glucose to fructose is a key component of high-fructose corn syrup production.
Glucose-6-phosphate isomerase (GPI), alternatively known as phosphoglucose isomerase/phosphoglucoisomerase (PGI) or phosphohexose isomerase (PHI), is an enzyme ( EC 5.3.1.9) that in humans is encoded by the GPI gene on chromosome 19. [4] This gene encodes a member of the glucose phosphate isomerase protein family.
Cancer immunoprevention is the prevention of cancer onset with immunological means such as vaccines, immunostimulators or antibodies. [1] [2] Cancer immunoprevention is conceptually different from cancer immunotherapy, which aims at stimulating immunity in patients only after tumor onset, however the same immunological means can be used both in immunoprevention and in immunotherapy.
More recent studies link hepatitis C virus (HCV) infection to defects in fatty acid degradation, specifically, to that in enoyl-CoA isomerase. [23] HCV is the leading cause of chronic hepatitis , cirrhosis , and liver cancer , and more than 180 million people are affected globally. [ 24 ]
The isomerase has now been observed in nearly a hundred species of bacteria. [2] Xylose-isomerases are also commonly called glucose isomerase or fructose isomerases due to their ability to interconvert glucose and fructose. The systematic name of this enzyme class is α-D-xylopyranose aldose-ketose-isomerase. Other names in common use include D ...
Hepatocellular carcinoma (HCC [1]) is the most common type of primary liver cancer in adults and is currently the most common cause of death in people with cirrhosis. [2] HCC is the third leading cause of cancer-related deaths worldwide.
Triose phosphate isomerase is a highly efficient enzyme, performing the reaction billions of times faster than it would occur naturally in solution. The reaction is so efficient that it is said to be catalytically perfect : It is limited only by the rate the substrate can diffuse into and out of the enzyme's active site.
Ribose-5-phosphate isomerase deficiency (RPID) is a rare human disorder caused by mutations in ribose-5-phosphate isomerase, an enzyme of the pentose phosphate pathway.With only four known cases – all diagnosed between 1984 and 2019 – RPI deficiency is the second rarest disease, with Fields condition being the rarest, affecting two known individuals, Catherine and Kirstie Fields.