Vitamin D hydroxylation-deficient rickets type 1B

Vitamin D hydroxylation-deficient rickets type 1B is a vitamin D depentend form or rickets that is aused by deficient 25-hydroxylation of vitamin D (CYP2R1 gene).

Systematic

Hereditary Rickets
	Hypophosphatasia
	Hypophosphatemic bone and kindney disease
	Vitamin D hydroxylation-deficient rickets type 1A
	Vitamin D hydroxylation-deficient rickets type 1B
		CYP2R1
	Vitamin D-dependent rickets, type 2A
	Vitamin D-dependent rickets, type 2B

References:

1.	Cheng JB et al. (2004) Genetic evidence that the human CYP2R1 enzyme is a key vitamin D 25-hydroxylase.

2.	Casella SJ et al. (1994) A possible genetic defect in 25-hydroxylation as a cause of rickets.

3.	OMIM.ORG article Omim 600081