Changes of femoral alkaline phosphatase activity in adult rats treated by sorbitol enriched or vitamin D3 deficient diet

Tardivel, S.; Banide, H.; Dupuis, Y.; Ranivosoa, A.; Fournier, P.; Zelazowska, E.; Porembska, Z.

Acta Biochimica Polonica 37(4): 451-456

1990


ISSN/ISBN: 0001-527X
PMID: 2100897
Document Number: 366469
The effect of vitamin D3-deficiency and dietary sorbitol on serum calcium level, the activity and alkaline phosphatase (AP) pattern in femoral epiphysis were studied. Rats fed a diet supplemented with sorbitol or vitamin D3 showed the same serum calcium concentration and AP activity in serum and femur. Rats fed a vitamin D3-deficient diet displayed decreased serum calcium concentration and increased AP activity both in serum and femur. Four forms of AP were isolated from the femur of these rat groups: of Mr 100,000, 110,000, 130,000 and 165,000. Rats receiving the diet supplemented with sorbitol showed a marked rise in the activity of the Mr 165,000 form, and appearance of a new monomer of 100,000, never formed in two remaining groups.

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