Sarcosinemia

Sarcosinemia (SAR), also called hypersarcosinemia and SARDH deficiency,[1] is a rare autosomal recessive[2] metabolic disorder characterized by an increased concentration of sarcosine in blood plasma and urine ("sarcosinuria"). It can result from an inborn error of sarcosine metabolism, or from severe folate deficiency related to the folate requirement for the conversion of sarcosine to glycine. It is thought to be a relatively benign condition.[3]

Sarcosinemia
Other namesSarcosine dehydrogenase complex deficiency
Sarcosine
SpecialtyEndocrinology 

Cause and genetics
Sarcosinemia has an autosomal recessive pattern of inheritance.

Sarcosinemia is thought to be caused by a mutation in the sarcosine dehydrogenase (SARDH) gene, which is located at human chromosome 9q34.[2][3]

The disease is inherited in an autosomal recessive manner,[2] which means the defective gene responsible for the disorder is located on an autosome (chromosome 9 is an autosome), and two copies of the defective gene (one inherited from each parent) are required in order to be born with the disorder. The parents of an individual with an autosomal recessive disorder both carry one copy of the defective gene, but usually do not experience any signs or symptoms of the disorder.

Diagnosis

Treatment
gollark: Perhaps I'll have to offload all my programming to GTech™ bee neuron intelligences.
gollark: > First steps of a proper documentation will land before the end of the year: stay tuned musical_noteWow, how useful.
gollark: https://github.com/ducdetronquito/h11 somewhat.
gollark: https://github.com/Vexu/routez is what I found after 22μs of duckduckgo.
gollark: Probably? I haven't checked.

See also

References
  1. Online Mendelian Inheritance in Man (OMIM): 268900
  2. Brunialti AL, Harding CO, Wolff J, Guénet JL (1996). "The mouse mutation sarcosinemia (sar) maps to chromosome 2 in a region homologous to human 9q33-q34". Genomics. 36 (1): 182–4. doi:10.1006/geno.1996.0442. PMID 8812433.
  3. Lee SY, Chan KY, Chan AY, Lai CK (2006). "A report of two families with sarcosinaemia in Hong Kong and revisiting the pathogenetic potential of hypersarcosinaemia" (Free full text). Annals of the Academy of Medicine, Singapore. 35 (8): 582–4. ISSN 0304-4602. PMID 17006587.
Classification
External resources
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