Upon receipt, store at -20°C or -80°C. Avoid repeated freeze.
Lead Time
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Usage
For Research Use Only. Not for use in diagnostic or therapeutic procedures.
May contribute to the transparency and refractive index of the lens. Has chaperone-like activity, preventing aggregation of various proteins under a wide range of stress conditions.
Gene References into Functions
alphaB-crystallin mutants carrying point substitutions in the C-terminal domain PMID: 28919577
Heparan sulfate mediates cell uptake of alphaB-crystallin fused to the glycoprotein C cell penetration peptide PMID: 29408057
Our findings suggest that serum level of miR-491 has potential as a biomarker for predicting OS progression and prognosis of OS patients. miR-491 exerts its role by directly targeting alphaB-crystallin (CRYAB) in OS. PMID: 28648665
Study identified by a next-generation sequencing panel the novel CRYAB missense mutation c.326A>G, p.D109G in a small family with RCM in combination with skeletal myopathy with an early onset of the disease. PMID: 28493373
Using a combination of co-sedimentation centrifugation, viscometric assays and electron microscopy of negatively stained filaments to analyse the in vitro assembly of desmin filaments, this study shows that the binding of CRYAB to desmin is subject to its assembly status, to the subunit organization within filaments formed and to the integrity of the C-terminal tail domain of desmin. PMID: 28470624
Overexpression of both HSPB5 and Hsp27 significantly reduced the intracellular aggregation of alpha-synuclein. PMID: 28337642
Glutathione-S-transferase - HspB1 fusion protein prevents more aggregation of malate dehydrogenase compared to glutathione-S-transferase -HspB5 fusion protein and wild type HspB1. PMID: 28130664
Mechanistic studies revealed KLF4 specifically bound the promoter of CRYAB and upregulated CRYAB expression in human osteosarcoma cells. PMID: 27105535
mRNA levels of HSP family members (HSP70B', HSP72, HSP40/DNAJ, and HSP20/CRYAB) are upregulated by the intracellular MMP3 overload. PMID: 27206651
HspB5 maybe trigger the epithelial-mesenchymal transition in colorectal cancer (CRC) by activating the ERK signaling pathway. It is a potential tumor biomarker for CRC diagnosis and prognosis. PMID: 28796798
The CLN6 is not only a molecular entity of the anti-aggregate activity conferred by the ER manipulation using TMalphaBC, but also serves as a potential target of therapeutic interventions. PMID: 28476624
A missense mutation in alpha B-crystallin that changes proline 20 to an arginine leads to diminished anti-apoptotic activity compared with the native protein. PMID: 28007594
phosphorylation finely regulates the chaperone activity of CRYAB with multipass TMPs and suggest a pivotal role for S59 in this process PMID: 27641668
A missense mutation (p.D109G) in CRYAB causes restrictive cardiomyopathy (RCM). PMID: 28493373
This work examines the molecular mechanism by which two canonical sHsps, alphaB-crystallin (alphaB-c) and Hsp27, interact with aggregation-prone alpha-syn to prevent its aggregation in vitro Both sHsps are very effective inhibitors of alpha-syn aggregation PMID: 27587396
343delT/343delT and WT KI/343delT-induced pluripotent stem cell-derived skeletal myotubes and cardiomyocytes did not express detectable levels of 343delT protein, contributable to the extreme insolubility of the mutant protein. Overexpression of HSPB5 343delT resulted in insoluble mutant protein aggregates and induction of a cellular stress response. PMID: 27226619
Study suggests that wild-type and mutant alphaB-Cry have dissimilar secondary and tertiary structures. Moreover, alphaB-Cry indicates slightly improved chaperone activity upon the R12C mutation. These results may explain to some extent the non-cataractogenic nature of R12C mutation in aB-Cry. PMID: 27260392
Cryab expression was elevated in osteosarcoma tissues and cell lines, and down-regulation of Cryab in MG-63 and U-2OS cells led to a decline in the cells' aggressiveness, and reduced secretion of matrix metalloproteinase-9 in vitro, and lower metastasis potential in vivo. PMID: 26789112
Identifies alphaB-crystallin as a new binding partner for Nav1.5. alphaB-Crystallin interacts with Nav1.5 and increases INa by modulating the expression level and internalization of cell surface Nav1.5 and ubiquitination of Nav1.5, which requires the protein-protein interactions between alphaB-crystallin and Nav1.5 and between alphaB-crystallin and functionally active Nedd4-2. PMID: 26961874
Alpha B-crystalline plays an important regulatory role in exosome biogenesis. PMID: 27129211
alphaB-crystallin is an important regulator of epithelial-mesenchymal transition, acting as a molecular chaperone for SMAD4 and as its potential therapeutic target for preventing subretinal fibrosis development in neovascular age-related macular degeneration PMID: 26878210
alpha B crystallin is an independent prognostic factor of infiltrating ductal carcinoma of the breast PMID: 26464626
two novel missense mutations, p.R11C and p.R12C, in CRYAB associated with autosomal recessive congenital nuclear cataracts. PMID: 26402864
Phosphorylation of alphaB-crystallin has dual role that manifests either beneficial or deleterious consequences depending on the extent of phosphorylation and interaction with cytoskeleton. [review] PMID: 26415747
The multifunctional activity of human alphaB crystallin results from the interactive peptide sequences exposed on the surface of the molecule. [review] PMID: 26341790
Data show that phosphorylation of crystallin alphaB (cryAB) deters its packaging into vesicles for exosomal secretion. PMID: 26620801
CRYAB protein was up regulated in laryngeal squamous cell carcinoma. PMID: 24817638
was It is markedly upregulated in the substantia nigra of PD patients where Cryab was present in glial cell inclusions. PMID: 25683516
A conserved histidine modulates HSPB5 structure to trigger chaperone activity in response to stress-related acidosis. PMID: 25962097
These data suggest that alphaB-crystallin uses its inherent structural plasticity to expose distinct binding interfaces and thus interact with a wide range of structurally variable clients. PMID: 26458046
findings point to alphaB-crystallin as a novel regulator of anoikis resistance that is induced by matrix detachment-mediated suppression of ERK signaling and promotes lung metastasis. PMID: 25684139
Data suggest expression of CRYAB in endometrium in women with endometriosis may be biomarker for subsequent fertility; CRYAB levels in normal range (neither up- nor down-regulated) are indicative of fertility following medical or surgical treatment. PMID: 24945100
we have summarized current data from emerging and exciting studies of the therapeutic strategies of alpha BC and alpha BC peptides and the efficient delivery strategies of these proteins in various disease models, including neurodegenerative diseases PMID: 25601468
Study provides an accurate determination of the translational and rotational diffusion of alphaB-crystallin over a wide range of concentrations PMID: 25564856
Results suggest a limited function of alphaB-crystallin and HSP27 in preventing abnormal tau protein deposition in glial cells and neurons; in addition, the expression of alphaB-crystallin phosphorylated at Ser59 may act as a protective factor in glial cells. PMID: 24985029
results show that U373 cells produce and secrete CRYAB via exosomes and that stimulation with IL-1beta and TNF-alpha significantly increase the levels of CRYAB in not only the cells but also in the secreted exosomes PMID: 25261722
CRYAB expression is correlated with substantial clinical characteristics of colorectal carcinoma, and it may be identified as an unfavorable prognostic factor for CRC. PMID: 25337251
Raising the levels of CRYAB in spinal motor neurons by 6-fold did not delay paralysis in SOD1 transgenic mice. PMID: 25557022
High expression of CRYAB was correlated with poor survival in non-small cell lung cancer patients. PMID: 25048725
Mutations in CRYAB protein are a rare cause of genetically determined dilated cardiomyopathy. PMID: 23590293
Data indicate that alpha-crystallin B chain and beta-crystallin A3-cyrstallins dissociate to the monomers upon racemization of d-aspartic acids (Asp). PMID: 25450505
Data suggest that inflammatory demyelination during multiple sclerosis is selectively associated with IFN-gamma-induced re-programming of an otherwise protective response of microglia and macrophages to the endogenous TLR2 agonist HSPB5 PMID: 24997049
alphaB-crystallin hasa role in preventing protein aggregation by manipulation of the ER microenvironment PMID: 25449278
This study reported a novel c.59C > G (P20R) missense mutation in CRYAB in a five-generation Chinese family with posterior polar cataract. PMID: 25195561
strong prognostic marker for poor outcome in oral squamous cell carcinoma PMID: 24702231
The higher expression of alphaB-crystallin may lead to prolonged survival of these cells under hypoxic conditions. PMID: 24725344
investigated differences in protein expression levels in IDH1(R132H) mutant versus IDH1 wild type grade III gliomas; alphaB-crystallin proteins are elevated in IDH1(R132H) mutant tumors; expression appears to be controlled at post-translational level; most abundant form of alphaB-crystallin is a low molecular weight C-terminally truncated form PMID: 24473683
Alpha B-crystallin has an essential role in TSC1/2 complex deficiency-mediated tumorigenesis. PMID: 24077282
These findings provide novel insights into the role of p53 as a regulator of bidirectional gene pair HspB2/alpha B-crystallin-mediated ROS and the Warburg effect PMID: 24859470
Crystallin alpha-B is increased in DNA microarray assays of papillary thyroid carcinoma PMID: 24880201