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2. Glycolysis - Wikipedia

   en.wikipedia.org/wiki/Glycolysis

   d -Glucose + 2 [NAD] + + 2 [ADP] + 2 [P] i 2 × Pyruvate 2 × + 2 [NADH] + 2 H + + 2 [ATP] + 2 H 2 O Glycolysis pathway overview The use of symbols in this equation makes it appear unbalanced with respect to oxygen atoms, hydrogen atoms, and charges. Atom balance is maintained by the two phosphate (P i) groups: Each exists in the form of a hydrogen phosphate anion, dissociating to contribute ...

3. Polyol pathway - Wikipedia

   en.wikipedia.org/wiki/Polyol_pathway

   The polyol metabolic pathway. [6]Cells use glucose for energy.This normally occurs by phosphorylation from the enzyme hexokinase. However, if large amounts of glucose are present (as in diabetes mellitus), hexokinase becomes saturated and the excess glucose enters the polyol pathway when aldose reductase reduces it to sorbitol.

4. Insulin signal transduction pathway - Wikipedia

   en.wikipedia.org/wiki/Insulin_signal...

   Fatty acids also affect insulin secretion. In type 2 diabetes, fatty acids are able to potentiate insulin release to compensate the increment need of insulin. It was found that the β-cells express free fatty acid receptors at their surface, through which fatty acids can impact the function of β-cells.

5. Glucokinase - Wikipedia

   en.wikipedia.org/wiki/Glucokinase

   Mutations of the gene for this enzyme can cause unusual forms of diabetes or hypoglycemia. Glucokinase (GK) is a hexokinase isozyme, related homologously to at least three other hexokinases. [4] All of the hexokinases can mediate phosphorylation of glucose to glucose-6-phosphate (G6P), which is the first step of both glycogen synthesis and ...

6. Glycogenolysis - Wikipedia

   en.wikipedia.org/wiki/Glycogenolysis

   In myocytes (muscle cells), glycogen degradation serves to provide an immediate source of glucose-6-phosphate for glycolysis, to provide energy for muscle contraction. Glucose-6-phosphate can not pass through the cell membrane, and is therefore used solely by the myocytes that produce it.

7. Blood sugar regulation - Wikipedia

   en.wikipedia.org/wiki/Blood_sugar_regulation

   If the blood glucose level falls to dangerously low levels (as during very heavy exercise or lack of food for extended periods), the alpha cells of the pancreas release glucagon, a peptide hormone which travels through the blood to the liver, where it binds to glucagon receptors on the surface of liver cells and stimulates them to break down glycogen stored inside the cells into glucose (this ...