Machiko Nomura

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Human T-cell leukemia virus type 1 (HTLV-1) causes adult T-cell leukemia (ATL). Although the viral transactivation factor, Tax, has been known to have apparent transforming ability, the exact function of Tax in ATL development is still not clear. To understand the role of Tax in ATL development, we introduced short-interfering RNAs (siRNAs) against Tax in a(More)
Sperm activating and -attracting factor (SAAF), derived from the egg of the ascidian Ciona, activates sperm motility through adenosine 3':5'-cyclic monophosphate (cAMP)-synthesis. A demembranated preparation of intact immotile sperm without SAAF was shown to require cAMP for reactivation. However, a demembranated preparation of intact motile sperm treated(More)
 A cDNA encoding a new secretory form of mouse membrane cofactor protein (MCP, CD46) was identified additionally to the membrane form cDNA. The secretory MCP, predicted from the cDNA sequence, consisted of the conserved four short consensus repeats (SCRs) plus a four amino acid-stretch. Unlike human MCP which comprises many isoforms, mouse MCP cDNA(More)
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