Thiopurines, Poor Metabolism of, 1

Alternative Names

  • THPM1
  • Thiopurine S-Methyltransferase Deficiency'
  • TPMTD
  • TPMT Deficiency
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WHO-ICD-10 version:2010

Endocrine, nutritional and metabolic diseases

Metabolic disorders

OMIM Number

610460

Mode of Inheritance

Autosomal recessive

Gene Map Locus

6p22.3

Description

THPM1 is an autosomal recessive trait associated with severe hematopoietic toxicity when patients are treated with standard doses of the antineoplastic agents 6-mercaptopurine (6MP) or 6-thioguanine (6TG), or the immunosuppressant azathioprine (AZA). [From OMIM]

Epidemiology in the Arab World

View Map
Subject IDCountrySexFamily HistoryParental ConsanguinityHPO TermsVariantZygosityMode of InheritanceReferenceRemarks
610460.1LebanonMale B Acute Lymphoblastic LeukemiaNM_000367.4:c.719A>G, NM_000367.4:c.460G>AHeterozygousAutosomal, DominantZgheib et al. 2017
610460.2LebanonFemale T-cell acute lymphoblastic leukemiasNM_000367.4:c.719A>G, NM_000367.4:c.460G>AHeterozygousAutosomal, DominantZgheib et al. 2017
610460.3LebanonMale B Acute Lymphoblastic LeukemiaNM_000367.4:c.719A>G, NM_000367.4:c.460G>AHeterozygousAutosomal, DominantZgheib et al. 2017
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