期刊
MECHANISMS OF DEVELOPMENT
卷 95, 期 1-2, 页码 313-316出版社
ELSEVIER
DOI: 10.1016/S0925-4773(00)00364-6
关键词
mouse embryogenesis; potassium inwardly rectifying channel (KIR); Down syndrome; heart; thymus; perichondrium; epithelium; mesenchyme; endocrine gland; in situ hybridization
The gene KIR4.2 (K+ inwardly rectifying channel 4.2) has been recently identified in the Down syndrome Chromosome Region 1. We have cloned the mouse ortholog of KIR4.2 and characterized its expression pattern. In situ hybridization showed a restricted and developmentally regulated pattern of expression. The expression is starting at E12.5 and expands at E14.5 in different tissues and organs, which may be affected in Down syndrome: heart, thymus, thyroid gland, and perichondrium. At E17.5, additional epithelia (kidney, bladder, stomach, lung) expressed also strongly the gene. (C) 2000 Elsevier Science Ireland Ltd All rights reserved.
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