Connexin genes are involved in several human diseases such as hearing and dermatological and peripheral nerve disorders. Connexins are protein units of gap junctions and form homotypic, heterotypic, or heteromeric complexes known as connexons. Data on the expression patterns of members of this family are partial and fragmentary. We therefore cloned all the identifiable murine homologs of human CONNEXIN genes and analyzed their expression patterns in embryonic and neonatal mouse tissues. We found that connexins are preferentially expressed in tissues derived from ectoderm and/or endoderm. Our data provide a comprehensive and detailed atlas of expression of connexin genes and in some cases suggest possible interactions of proteins that are coexpressed in the same tissue. Knowledge of temporal and spatial distribution of connexins also allows the identification of candidate genes for human diseases and provides important insight into mechanisms that lead to human disorders due to mutations in CONNEXIN genes.
An expression atlas of connexin genes in the mouse / Buniello, A.; Montanaro, D.; Volinia, S.; Gasparini, P.; Marigo, Valeria. - In: GENOMICS. - ISSN 0888-7543. - STAMPA. - 83:(2004), pp. 812-820. [10.1016/j.ygeno.2003.10.011]
An expression atlas of connexin genes in the mouse.
MARIGO, Valeria
2004
Abstract
Connexin genes are involved in several human diseases such as hearing and dermatological and peripheral nerve disorders. Connexins are protein units of gap junctions and form homotypic, heterotypic, or heteromeric complexes known as connexons. Data on the expression patterns of members of this family are partial and fragmentary. We therefore cloned all the identifiable murine homologs of human CONNEXIN genes and analyzed their expression patterns in embryonic and neonatal mouse tissues. We found that connexins are preferentially expressed in tissues derived from ectoderm and/or endoderm. Our data provide a comprehensive and detailed atlas of expression of connexin genes and in some cases suggest possible interactions of proteins that are coexpressed in the same tissue. Knowledge of temporal and spatial distribution of connexins also allows the identification of candidate genes for human diseases and provides important insight into mechanisms that lead to human disorders due to mutations in CONNEXIN genes.
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