Takahiro Iwanaga

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The cellular distribution of two oestrogen receptor (ER) subtypes, ERalpha and ERbeta mRNAs, was studied in the entire female reproductive organ of the rat using in situ hybridization. Expression of ERalpha and ERbeta mRNAs was predominant in the reproductive tract and ovary respectively. ERalpha mRNA had the most pronounced expression in epithelial cells(More)
In order to identify and characterize genetic polymorphism of the swine major histocompatibility complex (Mhc: SLA) class I genes, RT-PCR products of the second and third exons of the three SLA classical class I genes, SLA-1, SLA-2 and SLA-3 were subjected to nucleotide determination. These analyses allowed the identification of four, eight and seven(More)
BACKGROUND Inbred miniature swine with defined novel SLA haplotypes will be useful in allo- and xeno-transplantation studies, which can be carried out representing variable combinations of SLA haplotypes. METHODS In Clawn miniature swine, two haplotypes (c1 and c2) and one crossover haplotype (c3) have been assigned by nucleotide sequence determination of(More)
Inhibition of dephosphorylation of the 20 kDa myosin light chain (MLC(20)) is an important mechanism for the Ca(2+)-induced sensitization of vascular smooth muscle contraction. We investigated whether this mechanism operates in prostaglandin F(2alpha) (PGF(2alpha))-induced contraction of rabbit aortic smooth muscle and, if so, whether protein kinase C (PKC)(More)
We mapped the cellular expression of estrogen receptor (ER) alpha and ERbeta mRNAs in the male reproductive system of the rat during development and adulthood by in situ hybridization. The expression patterns of ERalpha mRNA in the gonad, efferent duct and initial segment of the epididymis during the perinatal period were essentially similar to those of the(More)
We mapped the cellular expression of estrogen receptor (ER) and ER mRNAs in the male reproductive system of the rat during development and adulthood by in situ hybridization. The expression patterns of ER mRNA in the gonad, efferent duct and initial segment of the epididymis during the perinatal period were essentially similar to those of the adult: ER mRNA(More)
This study employed an in situ hybridization technique to compare the cellular expression of oestrogen receptor (ER) subtypes, ER and , in the female reproductive organ of the rat during prenatal and postnatal periods. Diffuse signals of ER and mRNAs were co-expressed in the foetal ovary; they were weak and inconsistent before onset of gonadal(More)
This study employed an in situ hybridization technique to compare the cellular expression of oestrogen receptor (ER) subtypes, ER alpha and beta, in the female reproductive organ of the rat during prenatal and postnatal periods. Diffuse signals of ER alpha and beta mRNAs were co-expressed in the foetal ovary; they were weak and inconsistent before onset of(More)
 We investigated the role of 20 kDa myosin light chain (MLC20) phosphorylation in contractions following protein kinase C (PKC) activation by 12-deoxyphorbol-13-isobutyrate (DPB) in rabbit aortae. DPB induced a sustained contraction and phosphorylation of MLC20 independent of a change in cytosolic Ca2+ ([Ca2+]i). Phosphorylation on Ser19 of MLC20, which is(More)
Antisense oligodeoxynucleotides have been used to specifically inhibit the expression of a variety of genes. In the process of testing phosphorothioate oligodeoxynucleotides (S-oligos) as specific inhibitors of transforming growth factor alpha synthesis, we observed that the efficiency of cellular uptake of S-oligos was not constant throughout the culture(More)