Working formulation of NHL (Mnemonic)
All follicular except large cell: Low grade All diffuse: Intermediate grade Blastic and non-cleaved: High grade
Medical Students
Tyrosinemia Enzymes : Mnemonic
Mnemonic: FAHeem TATtooes because of Histrionic Personality Disorder (HPD) Tyrosine is necessary for biosynthesis of catecholamines, thyroid hormones and melanin pigment. 1. Tyrosinemia type I (Tyrosinosis/Hepatorenal tyrosinemia): Enzyme defect: FAH (Fumaryl-acetoacetate hydroxylase) Last enzyme in the cycle Cabbage like odor Hepatocellular carcinoma Renal tubular acidosis Peripheral… Read More
Competitive, Non-competitive and Uncompetitive Inhibitors
Vmax is the maximum velocity, or how fast the enzyme can go at full ‘‘speed.’’ Vmax is reached when all of the enzyme is in the enzyme–substrate complex. Km is the substrate concentration at which v = 1/2 Vmax. Km approximately describes the affinity of… Read More
Beta-oxidation of Fatty Acids : Simplified
Fatty Acid Activation (Cytoplasm) Before undergoing oxidation, fatty acid must be activated first by conversion into Acyl-CoA by the action of Fatty Acyl-CoA synthase (thiokinase). ATP is converted to AMP (not ADP) – 2 ATP equivalent used Uses Mg2+ as cofactor, Co-ASH and ATP Sites… Read More
Fatty Acid Synthesis : Simplified
Enzymes: Fatty acid synthase (6 enzymes and 1 Acyl carrier protein molecule) Acetyl-CoA carboxylase (rate-limiting enzyme) Starting material: For palmitate synthesis: Acetyl-CoA For odd number carbon long chain fatty acid synthesis: Propionyl-CoA 2 Carbon donor: Malonyl-CoA (donates 2 C and 1 C is thrown out… Read More