• Beta-synuclein is a synuclein protein found primarily in brain tissue and is seen mainly in presynaptic terminals. (wikipedia.org)
  • alpha-Synuclein has been implicated in the pathogenesis of Parkinson's disease based on mutations in familial cases of the disease and its presence in Lewy bodies. (ox.ac.uk)
  • The major neuropathologic hallmarks of PD are the loss of dopaminergic neurons in the substantia nigra and the accumulation of cytoplasmic inclusions, so-called Lewy bodies (LB), composed primarily of the protein α-synuclein (α-syn) [ 2 ]. (biomedcentral.com)
  • α-synuclein fibrils are a major component of the intracellular Lewy bodies that are associated with Parkinson's disease, Lewy body dementia, and multiple system atrophy. (biolegend.com)
  • In PD, an α-synuclein allele is genetically linked to several independent familial cases, and the protein appears to accumulate in Lewy bodies. (sysy.com)
  • In the present study, we aimed to clarify whether the MAPT haplotype influences expression of MAPT and SNCA , encoding the protein α-synuclein (α-syn), on mRNA and protein levels in postmortem brains of PD patients and controls. (biomedcentral.com)
  • Alpha-synuclein (SNCA) as the presynaptic protein is expressed in different tissues and prevents insulin-resistance (IR) through increasing glucose-uptake by adipocytes and muscles. (biomedcentral.com)
  • However, the effect of insulin metabolism on SNCA expression has scarcely elucidated. (biomedcentral.com)
  • In present study we assessed the probable effect of insulin resistance on SNCA expression in muscle C2C12 cells and also skeletal muscle tissues of type 2 diabetic mice. (biomedcentral.com)
  • Comparative quantitative real time PCR was used to assess the SNCA expression. (biomedcentral.com)
  • The obtained results have showed a significant ~ 27% decrease in SNCA expression level in muscle tissue of diabetic mice (P = 0.022). (biomedcentral.com)
  • Type 2 diabetes due to insulin-resistance can decrease SNCA gene expression in muscles. (biomedcentral.com)
  • In addition to the role of SNCA in cell susceptibility to insulin and glucose uptake, the SNCA expression can also be affected by insulin metabolism. (biomedcentral.com)
  • Alpha-synuclein (SNCA, α-Syn) as one of the members of synuclein protein family is mainly expressed in brain tissue. (biomedcentral.com)
  • Since the basal expression of SNCA in the muscle cells in response to insulin has not been investigated to date, we decided to examine the expression of SNCA in insulin-resistant (IR) and insulin-sensitive (IS) models of skeletal muscle cells in both in vitro and in vivo studies. (biomedcentral.com)
  • 2015. Human C9ORF72 hexanucleotide expansion reproduces RNA foci and dipeptide repeat proteins but not neurodegeneration in BAC transgenic mice . (cardiff.ac.uk)
  • Western blot of HRP anti-α-Synuclein, 80-96 antibody (clone A15115A). (biolegend.com)
  • IHC staining of HRP anti-α-Synuclein, 80-96 antibody (clone A15115A) on formalin-fixed paraffin-embedded normal (left panel) and Parkinson's disease (right panel) human brain tissues. (biolegend.com)
  • Parkinson's disease (PD) is characterized by the progressive accumulation of neuronal intracellular aggregates largely composed of alpha-Synuclein (αSyn) protein. (mdpi.com)
  • Synucleins have been specifically implicated in three diseases: Alzheimer's (AD), Parkinson's (PD) and breast cancer. (sysy.com)
  • We also investigated mRNA expression of several other MAPT haplotype-encoded genes. (biomedcentral.com)
  • Synuclein proteins are produced by three genes. (sysy.com)
  • In AD, a peptide derived from α-synuclein forms an intrinsic component of plaque amyloid. (sysy.com)
  • The encoded protein, which may play a role in neuronal plasticity, is abundant in neurofibrillary lesions of patients with Alzheimer's disease. (wikipedia.org)
  • Beta-synuclein regulates Akt activity in neuronal cells. (wikipedia.org)
  • In the brain, the protein is primarily neuronal, but it is also present in glia. (biolegend.com)
  • Neuronal α-synuclein is concentrated in presynaptic nerve terminals, interacts with plasma membrane phospholipids, and is also present in nuclei and mitochondria. (biolegend.com)
  • 2021. β-synuclein potentiates synaptic vesicle dopamine uptake and rescues dopaminergic neurons from MPTP-induced death in the absence of other synucleins . (cardiff.ac.uk)
  • Pathologic aggregates containing hyperphosphorylated tau protein occur within the brain in a variety of neurodegenerative diseases termed tauopathies, including AD, corticobasal degeneration (CBD) and progressive supranuclear palsy (PSP). (biomedcentral.com)
  • In this cellular model, proteasome inhibition leads to an increase of alpha-synuclein accumulation in vivo without ubiquitylation. (ox.ac.uk)
  • Homozygosity for H1 versus H2 was associated with increased total MAPT mRNA expression in ctx-fg regardless of disease state. (biomedcentral.com)
  • Six tau isoforms are present in the human brain, which differ by expression of either 3 or 4 microtubule binding domain repeats (termed 3R or 4R isoforms) and the number of N-terminal inserts (termed 0N, 1N, 2N isoforms) [ 14 ]. (biomedcentral.com)
  • At least three isoforms of α-synuclein are produced through alternative splicing. (biolegend.com)
  • Tissue distribution: Primarily nervous system, but lower expression in other tissues such as blood and skin. (biolegend.com)
  • In songbirds, α-synuclein expression is correlated with plasticity in the developing song control system. (sysy.com)
  • Although the normal function of synucleins is unknown, a role in synaptic plasticity seems likely. (sysy.com)
  • α-synuclein's physiological role is poorly understood, but the protein has been implicated in regulating dopamine release and transport, synaptic vesicle clustering, and functioning as a SNARE-complex chaperone. (biolegend.com)
  • KLH-Conjugated synthetic peptide that included amino acid residues 80-96 of human α-synuclein. (biolegend.com)
  • α-synuclein's canonical isoform is a 140 amino acid protein with an apparent molecular mass of 14 kD. (biolegend.com)
  • Two transcript variants encoding the same protein have been found for this gene. (wikipedia.org)
  • Alpha-synuclein is expressed principally in the nervous system, but it is also produced in other tissues, including the skin. (biolegend.com)
  • These findings suggest an ubiquitin-independent mechanism of proteasomal degradation for alpha-synuclein and other natively unfolded proteins. (ox.ac.uk)
  • These proteins are abundantly expressed in the brain and putatively inhibit phospholipase D2 selectively. (wikipedia.org)
  • separation of proteins by PAGE and subsequent transfer to a membrane. (sysy.com)
  • synucleins using ELISA and WB as detection method. (biolegend.com)
  • All the mice were fed with a normal pellet diet (NPD) containing 5% fat, 50% carbohydrate, 25% protein and total calorific value 25 kJ/kg (Royan Institute, Iran) and free water 1 week before the initiation of the experiment and allowed to acclimatize to the laboratory environment. (biomedcentral.com)
  • soluble and insoluble protein levels of tau and α-syn were determined by Western blotting. (biomedcentral.com)
  • Here we show that over-expression of wild-type human alpha-synuclein is sufficient to induce inclusion formation in SH-SY5Y cells. (ox.ac.uk)