TYPE-II CYTOKERATIN EXPRESSION IN ADULT VERTEBRATE SPINAL-CORD

被引:7
作者
BODEGA, G
SUAREZ, I
RUBIO, M
FERNANDEZ, B
机构
[1] UNIV ALCALA DE HENARES, DEPT BIOL CELULAR & GENET, E-28871 ALCALA DE HENARES, SPAIN
[2] UNIV COMPLUTENSE MADRID, DEPT BIOL CELULAR, MADRID, SPAIN
关键词
CYTOKERATIN; ASTROCYTE; EPENDYMOCYTE; GLIA; SPINAL CORD; EVOLUTION;
D O I
10.1016/S0040-8166(05)80064-3
中图分类号
R602 [外科病理学、解剖学]; R32 [人体形态学];
学科分类号
100101 ;
摘要
The phylogenetic evolution of the expression of type II cytokeratins (CKs) in the spinal cord of different adult vertebrates has been studied using an anti-CK immunohistochemical technique, Type II CK expression was stronger in lower vertebrates, specially anuran amphibians, than in higher vertebrates, No CK expression was found either in reptiles or birds, hut a weak expression was demonstrated in mammals. The main neuroectodermal cell implicated in CK expression was the ependymocyte; some CK-positive radial astrocytes were also found in amphibians and fish, but neither CK-positive astrocytes nor neurons were observed in any vertebrate group. The functional significance of CK expression in the vertebrate spinal cord is not known, CKs do not have a consistent pattern of expression amongst vertebrates; however, the most common site is the ependyma.
引用
收藏
页码:555 / 559
页数:5
相关论文
共 29 条
[1]   RADIAL ASTROCYTES AND EPENDYMOCYTES IN THE SPINAL-CORD OF THE ADULT TOAD (BUFO-BUFO L) - AN IMMUNOHISTOCHEMICAL AND ULTRASTRUCTURAL-STUDY [J].
BODEGA, G ;
SUAREZ, I ;
FERNANDEZ, B .
CELL AND TISSUE RESEARCH, 1990, 260 (02) :307-314
[2]  
BODEGA G, 1993, ANAT EMBRYOL, V187, P385
[3]   EPENDYMA - PHYLOGENETIC EVOLUTION OF GLIAL FIBRILLARY ACIDIC PROTEIN (GFAP) AND VIMENTIN EXPRESSION IN VERTEBRATE SPINAL-CORD [J].
BODEGA, G ;
SUAREZ, I ;
RUBIO, M ;
FERNANDEZ, B .
HISTOCHEMISTRY, 1994, 102 (02) :113-122
[4]   FINE STRUCTURE OF EPENDYMA IN BRAIN OF RAT [J].
BRIGHTMAN, MW ;
PALAY, SL .
JOURNAL OF CELL BIOLOGY, 1963, 19 (02) :415-&
[5]   THE IMMUNOCYTOCHEMISTRY OF CYTOKERATIN IN FISH-TISSUES [J].
BUNTON, TE .
VETERINARY PATHOLOGY, 1993, 30 (05) :418-425
[6]   GLIAL FIBRILLARY ACIDIC (GFA) PROTEIN IN VERTEBRATES - IMMUNOFLUORESCENCE AND IMMUNOBLOTTING STUDY WITH MONOCLONAL AND POLYCLONAL ANTIBODIES [J].
DAHL, D ;
CROSBY, CJ ;
SETHI, JS ;
BIGNAMI, A .
JOURNAL OF COMPARATIVE NEUROLOGY, 1985, 239 (01) :75-88
[7]   CLONING OF A TYPE-I KERATIN FROM GOLDFISH OPTIC-NERVE - DIFFERENTIAL EXPRESSION OF KERATINS DURING REGENERATION [J].
DRUGER, RK ;
LEVINE, EM ;
GLASGOW, E ;
JONES, PS ;
SCHECHTER, N .
DIFFERENTIATION, 1992, 52 (01) :33-43
[8]   MONOCLONAL-ANTIBODY ANALYSIS OF KERATIN EXPRESSION IN THE CENTRAL-NERVOUS-SYSTEM [J].
FRANKO, MC ;
GIBBS, CJ ;
RHOADES, DA ;
GAJDUSEK, DC .
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, 1987, 84 (10) :3482-3485
[9]   A TYPE-II KERATIN IS EXPRESSED IN GLIAL-CELLS OF THE GOLDFISH VISUAL PATHWAY [J].
GIORDANO, S ;
GLASGOW, E ;
TESSER, P ;
SCHECHTER, N .
NEURON, 1989, 2 (05) :1507-1516
[10]   KERATIN-8 OF SIMPLE EPITHELIA IS EXPRESSED IN GLIA OF THE GOLDFISH NERVOUS-SYSTEM [J].
GIORDANO, S ;
HALL, C ;
QUITSCHKE, W ;
GLASGOW, E ;
SCHECHTER, N .
DIFFERENTIATION, 1990, 44 (03) :163-172