SMN1
ظاهر
SMN1 که برگرفته از عبارت «بقای سلول عصبی حرکتی ۱» (انگلیسی: Survival of motor neuron 1) است و با نام، «GEMIN1» هم شناخته میشود، نام یک ژن است که در انسان، پروتئین SMN را کد میکند.[۴][۵]
SMN1 نسخهٔ تلومری ژن است که پروتئین SMN را کد میکند. نسخهٔ سانترومری آن، SMN2 نام دارد. هر دوی این نسخهها، بخشی از دوپلیکاسیون وارونهٔ ۵۰۰ کیلو جفتبازی بر روی بازوی بلند کروموزوم ۵ هستند که تقریباً نسخههایی یکسان از ژن بوده و هر دو، یک نوع پروتئین را کد میکنند.[۵]
جهش در SMN1 با بروز بیماری آتروفی عضلانی نخاعی در ارتباط است؛ حال آنکه جهش در SMN2 بهتنهایی، منجر به این بیماری نمیشود. اگر جهش بهطور همزمان در هر دو رخ دهد، جنین قبل از تولد میمیرد.
منابع
[ویرایش]- ↑ ۱٫۰ ۱٫۱ ۱٫۲ GRCm38: Ensembl release 89: ENSMUSG00000021645 - Ensembl, May 2017
- ↑ "Human PubMed Reference:". National Center for Biotechnology Information, U.S. National Library of Medicine.
- ↑ "Mouse PubMed Reference:". National Center for Biotechnology Information, U.S. National Library of Medicine.
- ↑ Lefebvre S, Bürglen L, Reboullet S, Clermont O, Burlet P, Viollet L, Benichou B, Cruaud C, Millasseau P, Zeviani M (January 1995). "Identification and characterization of a spinal muscular atrophy-determining gene". Cell. 80 (1): 155–65. doi:10.1016/0092-8674(95)90460-3. PMID 7813012.
- ↑ ۵٫۰ ۵٫۱ "Entrez Gene: SMN1 survival of motor neuron 1, telomeric".
- مشارکتکنندگان ویکیپدیا. «SMN1». در دانشنامهٔ ویکیپدیای انگلیسی، بازبینیشده در ۳ دسامبر ۲۰۱۷.
بیشتر بخوانید
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- Chen Q, Baird SD, Mahadevan M, Besner-Johnston A, Farahani R, Xuan J, Kang X, Lefebvre C, Ikeda JE, Korneluk RG, MacKenzie AE (February 1998). "Sequence of a 131-kb region of 5q13.1 containing the spinal muscular atrophy candidate genes SMN and NAIP". Genomics. 48 (1): 121–7. doi:10.1006/geno.1997.5141. PMID 9503025.
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- Gambardella A, Mazzei R, Toscano A, Annesi G, Pasqua A, Annesi F, Quattrone F, Oliveri RL, Valentino P, Bono F, Aguglia U, Zappia M, Vita G, Quattrone A (November 1998). "Spinal muscular atrophy due to an isolated deletion of exon 8 of the telomeric survival motor neuron gene". Annals of Neurology. 44 (5): 836–9. doi:10.1002/ana.410440522. PMID 9818944.
- Parsons DW, McAndrew PE, Iannaccone ST, Mendell JR, Burghes AH, Prior TW (December 1998). "Intragenic telSMN mutations: frequency, distribution, evidence of a founder effect, and modification of the spinal muscular atrophy phenotype by cenSMN copy number". American Journal of Human Genetics. 63 (6): 1712–23. doi:10.1086/302160. PMC 1377643. PMID 9837824.
پیوند به بیرون
[ویرایش]- Prior TW, Russman BS (2013). Pagon RA, Adam MP, Ardinger HH, Wallace SE, Amemiya A, Bean LJ, Bird TD, Fong CT, Mefford HC, Smith RJ, Stephens K (eds.). "Spinal Muscular Atrophy". GeneReviews [Internet]. PMID 20301526.
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