syntaxin binding protein 1
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The STXBP1 gene provides instructions for making syntaxin-binding protein 1. In nerve cells (neurons), this protein helps regulate the release of chemical messengers called neurotransmitters from compartments known as synaptic vesicles. The release of neurotransmitters relays signals between neurons and is critical for normal brain function.
Normal function
The STXBP1 gene provides instructions for making syntaxin-binding protein 1. In nerve cells (neurons), this protein helps regulate the release of chemical messengers called neurotransmitters from compartments known as synaptic vesicles. The release of neurotransmitters relays signals between neurons and is critical for normal brain function.
To release its neurotransmitters, a synaptic vesicle must join (fuse) with the outer membrane of the neuron. The syntaxin-binding protein 1 regulates the formation of a group (complex) of proteins that allows vesicle fusion.
Syntaxin-binding protein 1 may also have a role in the positioning and growth of neurons during brain development. Proper localization of neurons is important for normal brain formation and function.
Conditions referring to this gene or chromosome
Altri nomi
hUNC18
MUNC18-1
N-Sec1
neuronal SEC1
NSEC1
RBSEC1
unc-18A
UNC18
unc18-1
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Ulteriori letture e riferimenti
- syntaxin binding protein 1; MedlinePlus, National Library of Medicine.
- Abramov D, Guiberson NGL, Burre J. STXBP1 encephalopathies: Clinical spectrum, disease mechanisms, and therapeutic strategies. J Neurochem. 2021 Apr;157(2):165-178. doi: 10.1111/jnc.15120. Epub 2020 Aug 4.
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- Gburek-Augustat J, Beck-Woedl S, Tzschach A, Bauer P, Schoening M, Riess A. Epilepsy is not a mandatory feature of STXBP1 associated ataxia-tremor-retardation syndrome. Eur J Paediatr Neurol. 2016 Jul;20(4):661-5. doi: 10.1016/j.ejpn.2016.04.005. Epub 2016 Apr 28.
- Hamada N, Iwamoto I, Tabata H, Nagata KI. MUNC18-1 gene abnormalities are involved in neurodevelopmental disorders through defective cortical architecture during brain development. Acta Neuropathol Commun. 2017 Nov 30;5(1):92. doi: 10.1186/s40478-017-0498-5.
- Patzke C, Han Y, Covy J, Yi F, Maxeiner S, Wernig M, Sudhof TC. Analysis of conditional heterozygous STXBP1 mutations in human neurons. J Clin Invest. 2015 Sep;125(9):3560-71. doi: 10.1172/JCI78612. Epub 2015 Aug 17.
- Rizo J, Rosenmund C. Synaptic vesicle fusion. Nat Struct Mol Biol. 2008 Jul;15(7):665-74. doi: 10.1038/nsmb.1450.
- Stamberger H, Nikanorova M, Willemsen MH, Accorsi P, Angriman M, Baier H, Benkel-Herrenbrueck I, Benoit V, Budetta M, Caliebe A, Cantalupo G, Capovilla G, Casara G, Courage C, Deprez M, Destree A, Dilena R, Erasmus CE, Fannemel M, Fjaer R, Giordano L, Helbig KL, Heyne HO, Klepper J, Kluger GJ, Lederer D, Lodi M, Maier O, Merkenschlager A, Michelberger N, Minetti C, Muhle H, Phalin J, Ramsey K, Romeo A, Schallner J, Schanze I, Shinawi M, Sleegers K, Sterbova K, Syrbe S, Traverso M, Tzschach A, Uldall P, Van Coster R, Verhelst H, Viri M, Winter S, Wolff M, Zenker M, Zoccante L, De Jonghe P, Helbig I, Striano P, Lemke JR, Moller RS, Weckhuysen S. STXBP1 encephalopathy: A neurodevelopmental disorder including epilepsy. Neurology. 2016 Mar 8;86(10):954-62. doi: 10.1212/WNL.0000000000002457. Epub 2016 Feb 10.
- Yamamoto T, Shimojima K, Yano T, Ueda Y, Takayama R, Ikeda H, Imai K. Loss-of-function mutations of STXBP1 in patients with epileptic encephalopathy. Brain Dev. 2016 Mar;38(3):280-4. doi: 10.1016/j.braindev.2015.09.004. Epub 2015 Sep 16.
- Yamashita S, Chiyonobu T, Yoshida M, Maeda H, Zuiki M, Kidowaki S, Isoda K, Morimoto M, Kato M, Saitsu H, Matsumoto N, Nakahata T, Saito MK, Hosoi H. Mislocalization of syntaxin-1 and impaired neurite growth observed in a human iPSC model for STXBP1-related epileptic encephalopathy. Epilepsia. 2016 Apr;57(4):e81-6. doi: 10.1111/epi.13338. Epub 2016 Feb 25.
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