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Masayasu Koyama

Expression of oxytocin receptor in human pregnant myometrium
1996 · T Kimura, M Takemura, et al. · Endocrinology · 223
DNA Methylation of the Human Oxytocin Receptor Gene Promoter Regulates Tissue-Specific Gene Suppression
2001 · Chika Kusui, Tadashi Kimura, et al. · Biochemical and Biophysical Research Communications · 204
Molecular regulation of the oxytocin receptor in peripheral organs
2003 · T Kimura, F Saji, et al. · Journal of Molecular Endocrinology · 106
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Human Placenta Constitutively Produces Interleukin-8 during Pregnancy and Enhances its Production in Intrauterine Infection1
1992 · Kouichirou Shimoya, Noboru Matsuzaki, et al. · Biology of Reproduction · 102
Detection Of High-Risk Human Papillomavirus In The Cervix And Semen Of Sex Partners
1994 · S. Kyo, M. Inoue, et al. · The Journal of Infectious Diseases · 79
Localization of three subtypes of Fcγ receptors in human placenta by immunohistochemical analysis
1991 · Takashi Kameda, Masayasu Koyama, et al. · Placenta · 76
Mouse model of human infertility: Transient and local inhibition of endometrial STAT‐3 activation results in implantation failure
2006 · Hitomi Nakamura, Tadashi Kimura, et al. · FEBS Letters · 71
Human Decidual Cell Biosynthesis of Leukemia Inhibitory Factor: Regulation by Decidual Cytokines and Steroid Hormones1
1997 · Keisuke Sawai, Noboru Matsuzaki, et al. · Biology of Reproduction · 70
Human placental Fc receptors
1994 · F. Saji, M. Koyama, et al. · Placenta · 67
Loss of imprinting in choriocarcinoma
1995 · Kazumasa Hashimoto, Chihiro Azuma, et al. · Nature Genetics · 65
Management of apical compartment prolapse (uterine and vault prolapse): A FIGO Working Group report
2015 · Cornelia Betschart, Mauro Cervigni, et al. · Neurourology and Urodynamics · 62
Overexpressed tau protein in cultured cells is phosphorylated without formation of PHF: implication of phosphoprotein phosphatase involvement
1995 · Larry Baum, Rony Seger, et al. · Molecular Brain Research · 58
NF‐κB Activation at Implantation Window of the Mouse Uterus
2004 · Hitomi Nakamura, Tadashi Kimura, et al. · American Journal of Reproductive Immunology · 52
Clinical Guideline for Female Lower Urinary Tract Symptoms
2015 · Satoru TAKAHASHI, Mineo TAKEI, et al. · LUTS Lower Urinary Tract Symptoms · 50
Detection of oxidative stress in seminal plasma and fractionated sperm from subfertile male patients
2002 · Hitomi Nakamura, Tadashi Kimura, et al. · European Journal of Obstetrics & Gynecology and Reproductive Biology · 45
Effect of a Soluble Factor Secreted From Cultured Human Trophoblast Cells on In Vitro Lymphocyte Reactions
1987 · FUMITAKA SAJI, MASAYASU KOYAMA, et al. · American Journal of Reproductive Immunology · 43
Type‐3 vasa previa: normal umbilical cord insertion cannot exclude vasa previa in cases with abnormal placental location
2019 · T. Suekane, D. Tachibana, et al. · Ultrasound in Obstetrics and Gynecology · 42
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Human placental cells show enhanced production of interleukin (IL)-8 in response to lipopolysaccharide (LPS), IL-1 and tumour necrosis factor (TNF)-α, but not to IL-6
1999 · Koichiro Shimoya, Akihiro Moriyama, et al. · Molecular Human Reproduction · 42
Alteration of the timing of implantation by in vivo gene transfer: delay of implantation by suppression of nuclear factor κB activity and partial rescue by leukemia inhibitory factor
2004 · Hitomi Nakamura, Tadashi Kimura, et al. · Biochemical and Biophysical Research Communications · 39
Clinical Guidelines for Female Lower Urinary Tract Symptoms (second edition)
2021 · Satoru Takahashi, Mineo Takei, et al. · International Journal of Urology · 36
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A histotopographic study of the perineal body in elderly women: the surgical applicability of novel histological findings
2007 · Hideo Soga, Ichiro Nagata, et al. · International Urogynecology Journal · 36
Uterine rupture of cesarean scar related to spontaneous abortion in the first trimester
2004 · Koji Matsuo, Koichiro Shimoya, et al. · Journal of obstetrics and gynaecology research · 35
Idarubicin Administered during Pregnancy: Its Effects on the Fetus
2004 · Koji Matsuo, Koichiro Shimoya, et al. · Gynecologic and Obstetric Investigation · 34
Histological features of the rectovaginal septum in elderly women and a proposal for posterior vaginal defect repair
2007 · Ichiro Nagata, Gen Murakami, et al. · International Urogynecology Journal · 29
Oncostatin M is produced during pregnancy by decidual cells and stimulates the release of HCG
2000 · I. Ogata, K. Shimoya, et al. · Molecular Human Reproduction · 29
Works count: 214
Citation count: 2,863
H-index: 28
I10-index: 80
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