Abstract
α-Crystallins, initially identified as the structural proteins of the ocular lens, belong to the small heat shock protein family. They play significant roles in maintaining the lens transparency and preventing protein aggregation. α-Crystallins exist in two isoforms: αA and αB, and they display differential tissue distribution. Their mutations are implicated in several human diseases including cardiac myopathies, neurodegenerative diseases, cataracts and various types of cancers. Increased αB expression was detected in retinoblastoma, breast cancer, glioblastoma, prostate and renal cell carcinomas, indicating its role in promoting tumor growth. A complex picture emerges for αA. Although earlier studies suggest that αA may promote cancer development, recent studies from our laboratory demonstrate that αA can act as a tumor suppressor inhibiting cell transformation and retarding cell migration through modulating MAP kinase activity. In this review, we summarize the recent progress about the functions of αA and αB in cancer development.
Keywords: αA, αB, cancer, crystallin, therapy.
Current Molecular Medicine
Title:Contrast Functions of αA- and αB-Crystallins in Cancer Development
Volume: 16 Issue: 10
Author(s): Z. Wang, L. Wang, Z.-X. Huang, X. Hu, J. Liu, W. Hu, W. Ji, Q. Nie, J.-W. Xiang, Z.-G. Chen, Y. Xiao, W.-J. Qiang, J. Zhu, J. W. Gigantelli, Q. D. Nguyen and D. W.-C. Li
Affiliation:
Keywords: αA, αB, cancer, crystallin, therapy.
Abstract: α-Crystallins, initially identified as the structural proteins of the ocular lens, belong to the small heat shock protein family. They play significant roles in maintaining the lens transparency and preventing protein aggregation. α-Crystallins exist in two isoforms: αA and αB, and they display differential tissue distribution. Their mutations are implicated in several human diseases including cardiac myopathies, neurodegenerative diseases, cataracts and various types of cancers. Increased αB expression was detected in retinoblastoma, breast cancer, glioblastoma, prostate and renal cell carcinomas, indicating its role in promoting tumor growth. A complex picture emerges for αA. Although earlier studies suggest that αA may promote cancer development, recent studies from our laboratory demonstrate that αA can act as a tumor suppressor inhibiting cell transformation and retarding cell migration through modulating MAP kinase activity. In this review, we summarize the recent progress about the functions of αA and αB in cancer development.
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Cite this article as:
Wang Z., Wang L., Huang Z.-X., Hu X., Liu J., Hu W., Ji W., Nie Q., Xiang J.-W., Chen Z.-G., Xiao Y., Qiang W.-J., Zhu J., Gigantelli W. J., Nguyen D. Q. and Li W.-C. D., Contrast Functions of αA- and αB-Crystallins in Cancer Development, Current Molecular Medicine 2016; 16 (10) . https://dx.doi.org/10.2174/1566524016666161223110508
DOI https://dx.doi.org/10.2174/1566524016666161223110508 |
Print ISSN 1566-5240 |
Publisher Name Bentham Science Publisher |
Online ISSN 1875-5666 |
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