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The medical information on this site is provided as an information resource only, and is not to be used or relied on for any diagnostic or treatment purposes. This information is not intended to be patient education, does not create any patient-physician relationship, and should not be used as a substitute for professional diagnosis and treatment.
Methylmalonicaciduria with homocystinuria cbl f
Overview
Combined methylmalonic aciduria (MMA) and homocystinuria is a genetically heterogeneous disorder of cobalamin (cbl; vitamin B12) metabolism. The defect causes decreased levels of the coenzymes adenosylcobalamin (AdoCbl) and methylcobalamin (MeCbl), which results in decreased activity of the respective enzymes methylmalonyl-CoA mutase (MUT; {609058}) and methyltetrahydrofolate:homocysteine methyltransferase, also known as methionine synthase (MTR; {156570}). Different forms of the disorder have been classified according to complementation groups of cells in vitro: cblC (MAHCC; {277400}), cblD (MAHCD; {277410}), cblF, and cblJ (MAHCJ; {614857}). Source: Online Mendelian Inheritance in Man
Trusted Medical Sites
Genetic & Rare Diseases Information Center (GARD)
GARD provides the public with access to current, reliable, and easy-to-understand information about rare or genetic diseases in English or Spanish.
Support Organizations
Support organizations can provide help and guidance in areas such as peer matching, education and training, and therapy and counseling.
Disease Resources
Resources can help guide your quest for factual and reliable information.
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The Progeria Handbook; A Guide for Families and Health Care Providers of Children with Progeria.
This 100-page handbook helps answer many questions for children with Progeria about how to optimize quality of life through daily care and medical treatment. Contains basic health facts,daily care recommendations and extensive treatment guidelines.
AAMDSIF Online Academy (webinars)
200+ FREE webinars for patients, families and caregivers about rare blood cancers and bone marrow failure diseases.
Educational Resources
Publications, links to patient conferences and webinars
Disease Information
Descriptions of various rare blood cancers and bone marrow failure diseases.