Date of Award

8-1-2019

Degree Name

Doctor of Philosophy

Department

Molecular Biology, Microbiology and Biochemistry

First Advisor

Cao, Deliang

Abstract

Colorectal cancer (CRC) is the third most commonly diagnosed cancer and the second leading cause of cancer death in the United States. Aldo-keto reductase 1 B10 (AKR1B10) is highly expressed in colon and small intestine of normal humans, but its expression is lost or markedly down-regulated in tissues of patients with ulcerative colitis (UC) and CRC. AKR1B10 is a monomeric cytosolic enzyme with strong enzymatic activity to α, β-unsaturated carbonyl compounds, protecting cells from carbonyl lesions; AKR1B10 also mediates de novo synthesis of long chain fatty acids and membrane lipids, such as phosphatidylinositol 4,5-bisphosphate (PIP2). To study the etiopathogenic role of AKR1B10 in UC and CRC, our lab generated AKR1B8 deficient (AKR1B8 -/-) mice. AKR1 B8 is the orthologue in mice of human AKR1B10,

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