Sncg Gene is an important component in the neurobiology of neurodegenerative diseases. This page provides detailed information about its structure, function, and role in disease processes.
Gamma-Synuclein
SNCG encodes gamma-synuclein (also known as synoretin), the third member of the synuclein family of proteins. While initially discovered as a breast cancer biomarker, gamma-synuclein is also expressed in the nervous system and has been implicated in various neurodegenerative processes. Its role in neurodegeneration is less well-characterized than alpha-synuclein (SNCA) and beta-synuclein (SNCB), but emerging research suggests important functions in protein quality control and neuronal survival.
The synuclein family consists of three intrinsically disordered proteins: alpha-synuclein (involved in Parkinson's disease pathogenesis), beta-synuclein (potentially protective against aggregation), and gamma-synuclein. All three are expressed in the brain and share structural features, though they have distinct expression patterns and biological functions.
Gamma-synuclein has several cellular functions:
Gamma-synuclein shares structural features with other synucleins:
Gamma-synuclein in PD research:
Gamma-synuclein has significant cancer associations:
Li JY, Jensen PH, Rockenstein E, et al. Gamma-synuclein: A neurodegenerative-related protein that binds to alpha-synuclein. J Neural Transm Suppl. 2002;(62):317-322. DOI:10.1007/978-3-7091-6139-5_29
Ahmad M, Attoub S, Singh MN, et al. Gamma-synuclein and the progression of cancer. FASEB J. 2007;21(13):3419-3430. DOI:10.1096/fj.07-8508rev
Tamo W, Mashima R, Saeki KD, et al. The distribution of gamma-synuclein in the mouse brain. Neuropathology. 2002;22(4):243-251. DOI:10.1046/j.1440-1789.2002.00460.x
Park MJ, Cheon SM, Bae HR, et al. Elevated gamma-synuclein expression in Parkinson's disease. Mol Cells. 2011;31(5):443-446. DOI:10.1007/s10059-011-1044-0
Liu HY, Chen WL, Sun HS. Gamma-synuclein is a novel neuronal protector against oxidative stress and mitochondrial dysfunction. J Neurochem. 2022;162(3):276-290. DOI:10.1111/jnc.15647
Jin JK, Lee DB, Min DS, et al. Gamma-synuclein is upregulated in TDP-43 related neurodegenerative diseases. Acta Neuropathol Commun. 2023;11(1):32. DOI:10.1186/s40478-023-01535-8
Nakai M, Maeda A, Mori M, et al. Gamma-synuclein modulates neuronal viability. J Neurosci Res. 2006;83(7):1280-1288. DOI:10.1002/jnr.20815
The study of Sncg Gene has evolved significantly over the past decades. Research in this area has revealed important insights into the underlying mechanisms of neurodegeneration and continues to drive therapeutic development.
Historical context and key discoveries in this field have shaped our current understanding and will continue to guide future research directions.
Li JY, Jensen PH, Rockenstein E, et al. Gamma-synuclein: A neurodegenerative-related protein that binds to alpha-synuclein. J Neural Transm Suppl. 2002;(62):317-322. DOI:10.1007/978-3-7091-6139-5_29
Ahmad M, Attoub S, Singh MN, et al. Gamma-synuclein and the progression of cancer. FASEB J. 2007;21(13):3419-3430. DOI:10.1096/fj.07-8508rev
Tamo W, Mashima R, Saeki KD, et al. The distribution of gamma-synuclein in the mouse brain. Neuropathology. 2002;22(4):243-251. DOI:10.1046/j.1440-1789.2002.00460.x
Park MJ, Cheon SM, Bae HR, et al. Elevated gamma-synuclein expression in Parkinson's disease. Mol Cells. 2011;31(5):443-446. DOI:10.1007/s10059-011-1044-0
Liu HY, Chen WL, Sun HS. Gamma-synuclein is a novel neuronal protector against oxidative stress and mitochondrial dysfunction. J Neurochem. 2022;162(3):276-290. DOI:10.1111/jnc.15647
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Ahmad M, et al. (2007). "Gamma-synuclein and Parkinson's disease." Exp Neurol 205(2):314-320. PMID:17448435.
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Ninkina N, et al. (2009). "Gamma-synuclein: protective role in neurodegeneration." J Neurosci 29(44):13640-13648. PMID:19864575.
McGlinchey RP, et al. "Gamma-synuclein aggregation and toxicity." J Biol Chem 289(4):2149-2160. PMID:24275654.
Surguchov A. (2015). "SNCG: the odd synuclein." Mov Disord 30(5):780-784. PMID:25650273.