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Title: Structure and expression of two kininogen genes in mice
Authors: Cardoso, C. C.
Garrett, T.
Cayla, C.
Meneton, P.
Pesquero, J. B.
Bader, M.
Max Delbruck Ctr Mol Med
Albany State Univ
Universidade Federal de São Paulo (UNIFESP)
Keywords: alternative splicing
gene structure
kallikrein-kinin system
Issue Date: 1-Mar-2004
Publisher: Walter de Gruyter & Co
Citation: Biological Chemistry. Berlin: Walter de Gruyter & Co, v. 385, n. 3-4, p. 295-301, 2004.
Abstract: Kininogens serve dual functions by forming a scaffold for the assembly of the protein complex initiating the surfaceactivated blood coagulation cascade and as precursors for the kinin hormones. While rats have three kininogen genes, for mice, cattle, and humans only one gene has been described. Here, we present sequence and expression data of a second mouse kininogen gene. the two genes, kininogenI and kininogenII, are located in close proximity on chromosome 16 in a headtohead arrangement. in liver and kidney, both genes are expressed and for each gene three alternative splice variants are synthesized. Two of them are the expected high and low molecular weight isoforms known from all mammalian kininogens. However, for both genes also a third, hitherto unknown splice variant was detected which lacks part of the high molecular weight mRNA due to splicing from the low molecular weight donor site to alternative splice acceptor sites in exon 10. the physiological functions of the six kininogen isoforms predicted by these findings need to be determined.
ISSN: 1431-6730
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Appears in Collections:Em verificação - Geral

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