vitamin D-dependent rickets, type 2B

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Disease Overview

Rickets caused by a post-receptor defect in the vitamin D signaling pathway producing vitamin D resistance due to constitutive overexpression of a nuclear ribonucleoprotein that competes with the vitamin D receptor-retinoid X receptor dimer binding with DNA vitamin D response elements. This condition has a similar phenotype to vitamin D receptor deficiency rickets including elevated 1,25-dihydroxyvitamin D (calcitriol) concentrations.


Synonyms

  • VDDR2B
  • hereditary 1,25 dihydroxyvitamin D-resistant rickets with abnormal vitamin D receptor without alopecia
  • vitamin D dependent rickets 2b
  • vitamin D receptor signaling defect rickets
  • vitamin D receptor signalling defect rickets
  • vitamin D resistant rickets
  • vitamin D-dependent rickets type II without alopecia
  • vitamin D-dependent rickets, type 2B, with normal vitamin D receptor

GARD Disease Summary

The Genetic and Rare Diseases Information Center (GARD) has information and resources for patients, caregivers, and families that may be helpful before and after diagnosis of this condition. GARD is a program of the National Center for Advancing Translational Sciences (NCATS), part of the National Institutes of Health (NIH).

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OMIM

Online Mendelian Inheritance In Man (OMIM) has a summary of published research about this condition and includes references from the medical literature. The summary contains medical and scientific terms, so we encourage you to share and discuss this information with your doctor. OMIM is authored and edited at the McKusick-Nathans Institute of Genetic Medicine, Johns Hopkins University School of Medicine.

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MedlinePlus

MedlinePlus has information about this condition that may include a description, frequency, causes, inheritance, and links to more information. The information is written for the public, including patients, caregivers and families. MedlinePlus is a service of the National Library of Medicine (NLM), which is part of the National Institutes of Health (NIH).

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