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Englishalpha B crystallin is a small heat shock protein constitutively expressed in the mammalian lens and in a variety of extraocular tissues. We report here the presence of alpha B crystallin also in bovine articular chondrocytes by means of an immunoblot and immunofluorescence analysis carried out with anti-alpha B crystallin polyclonal antibodies. The expression level of alpha B crystallin can be further induced by a short heat shock treatment of chondrocytes as well as cell treatment with cadmium bromide or calcium ionophore A 23187. The level of alpha B crystallin expression is not modified by treating chondrocytes with interleukin-1 and phorbol 12-myristate 13-acetate. In some preparations the antibodies recognise two bands of alpha B crystallin, probably corresponding to different degrees of protein phosphorylation, but in cells treated with phorbol ester a single band is constantly observed, indicanting a complete phosphorylation of alpha B crystallin.
alphaB crystallin is constitutively expressed in cultures of bovine articular chondrocytes / BENNARDINI F; JULIANO C.; BENETTI D; MIAN M; CHIESI M; MATTANA A; FRANCONI F. - In: BIOCHEMICAL AND BIOPHYSICAL RESEARCH COMMUNICATIONS. - ISSN 0006-291X. - 208:2(1995), pp. 742-747. [10.1006/bbrc.1995.1400]
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| Titolo: | alphaB crystallin is constitutively expressed in cultures of bovine articular chondrocytes | |
| Autori: | ||
| Data di pubblicazione: | 1995 | |
| Rivista: | ||
| Citazione: | alphaB crystallin is constitutively expressed in cultures of bovine articular chondrocytes / BENNARDINI F; JULIANO C.; BENETTI D; MIAN M; CHIESI M; MATTANA A; FRANCONI F. - In: BIOCHEMICAL AND BIOPHYSICAL RESEARCH COMMUNICATIONS. - ISSN 0006-291X. - 208:2(1995), pp. 742-747. [10.1006/bbrc.1995.1400] | |
| Handle: | http://hdl.handle.net/11388/82485 | |
| Appare nelle tipologie: | 1.1 Articolo in rivista |
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