Koji Koyama

Author PubWeight™ 22.76‹?›

Top papers

Rank Title Journal Year PubWeight™‹?›
1 Characterization of a novel human sperm-associated antigen 9 (SPAG9) having structural homology with c-Jun N-terminal kinase-interacting protein. Biochem J 2005 1.12
2 Pup birth from mouse oocytes in preantral follicles derived from vitrified and warmed ovaries followed by in vitro growth, in vitro maturation, and in vitro fertilization. Fertil Steril 2006 0.95
3 Evaluation of human epididymis protein 4 (HE4) and Risk of Ovarian Malignancy Algorithm (ROMA) as diagnostic tools of type I and type II epithelial ovarian cancer in Japanese women. Tumour Biol 2014 0.86
4 Molecular diversity of TEX101, a marker glycoprotein for germ cells monitored with monoclonal antibodies: variety of the molecular characteristics according to subcellular localization within the mouse testis. J Reprod Immunol 2008 0.85
5 Harmful effects of anti-zona pellucida antibodies in folliculogenesis, oogenesis, and fertilization. J Reprod Immunol 2009 0.85
6 Radiographic and genetic diagnosis of sporadic hypochondroplasia early in the neonatal period. Prenat Diagn 2004 0.85
7 In vitro growth and maturation as well as fertilization of mouse preantral oocytes from vitrified ovaries. Fertil Steril 2004 0.83
8 Birth of healthy neonates after intracytoplasmic injection of ejaculated or testicular spermatozoa from men with nonmosaic Klinefelter's syndrome: a report of 2 cases. J Reprod Med 2004 0.83
9 Possible correlation between high levels of IL-18 in the cord blood of pre-term infants and neonatal development of periventricular leukomalacia and cerebral palsy. Cytokine 2002 0.82
10 IL-18 is present at the maternal-fetal interface and enhances cytotoxic activity of decidual lymphocytes. Am J Reprod Immunol 2002 0.82
11 Transmission of Y chromosomal microdeletions from father to son through intracytoplasmic sperm injection. J Hum Genet 2002 0.82
12 Molecular analysis of the Y chromosome AZFc region in Japanese infertile males with spermatogenic defects. J Reprod Immunol 2002 0.81
13 Bone morphogenetic protein-2 counterregulates interleukin-18 mRNA and protein in MC3T3-E1 mouse osteoblastic cells. Connect Tissue Res 2006 0.80
14 Comparison of urinary and recombinant follicle-stimulating hormone in in vitro growth, maturation, and fertilization of mouse preantral follicles. Fertil Steril 2007 0.80
15 Two-dimensional electrophoretic analysis of sperm antigens recognized by sperm immobilizing antibodies detected in infertile women. J Reprod Immunol 2002 0.80
16 Contraceptive potential of synthetic peptides of zona pellucida protein (ZPA). J Reprod Immunol 2002 0.80
17 Vaginal infection with Ureaplasma urealyticum accounts for preterm delivery via induction of inflammatory responses. Microbiol Immunol 2008 0.79
18 Case of PSTT treated with chemotherapy followed by open uterine tumor resection to preserve fertility. Gynecol Oncol 2002 0.78
19 Prevention of multiple pregnancies by restricting the number of transferred embryos: randomized control study. Arch Gynecol Obstet 2003 0.78
20 CD52 is synthesized in cumulus cells and secreted into the cumulus matrix during ovulation. Am J Reprod Immunol 2008 0.78
21 Immunogenicity and contraceptive potential of recombinant human sperm associated antigen (SPAG9). J Reprod Immunol 2005 0.78
22 Contribution of zona proteins to oocyte growth. Soc Reprod Fertil Suppl 2007 0.77
23 A long-term user of cosmetic cream containing estrogen developed breast cancer and endometrial hyperplasia. Menopause 2008 0.77
24 Native zona pellucida reactivity and in-vitro effect on human sperm-egg binding with antisera against bonnet monkey ZP1 and ZP3 synthetic peptides. J Reprod Immunol 2002 0.77
25 Upregulation of macrophage migration inhibitory factor and calgizzarin by androgen in TM4 mouse Sertoli cells. Asian J Androl 2006 0.77
26 Synthesis and preliminary biological evaluation of truncated zoanthenol analogues. Bioorg Med Chem Lett 2004 0.76
27 Isolation and characterization of a human sperm antigen gene h-Sp-1. Int J Androl 2003 0.76
28 Diagnosis and treatment of immunologically infertile women with sperm-immobilizing antibodies in their sera. J Reprod Immunol 2009 0.76
29 Antibodies generated in response to plasmid DNA encoding zona pellucida glycoprotein-B inhibit in vitro human sperm-egg binding. Mol Reprod Dev 2002 0.75
30 The primary varicella infection near term: a case report. Arch Gynecol Obstet 2003 0.75
31 Pig zona pellucida 2 (pZP2) protein does not participate in zona pellucida formation in transgenic mice. Reproduction 2006 0.75
32 Nasal immunization with diphtheria toxoid conjugated-CD52 core peptide induced specific antibody production in genital tract of female mice. Am J Reprod Immunol 2002 0.75
33 Relationship between level of serum sperm immobilizing antibody and its inhibitory effect on sperm migration through cervical mucus in immunologically infertile women. Am J Reprod Immunol 2007 0.75
34 [Systemic lupus erythematosus complicated with antiphospholipid syndrome diagnosed from intrauterine growth retardation]. Nihon Naika Gakkai Zasshi 2002 0.75
35 Severe perinatal hypophosphatasia due to homozygous deletion of T at nucleotide 1559 in the tissue nonspecific alkaline phosphatase gene. Prenat Diagn 2003 0.75
36 The role of androgens in spermatogenesis. Soc Reprod Fertil Suppl 2007 0.75
37 Target antigens for sperm-immobilizing antibodies found in infertile women. Chem Immunol Allergy 2005 0.75
38 Efficacy of antibodies against a chimeric synthetic peptide encompassing epitopes of bonnet monkey (Macaca radiata) zona pellucida-1 and zona pellucida-3 glycoproteins to inhibit in vitro human sperm-egg binding. Mol Reprod Dev 2005 0.75
39 Diagnostic laparoscopy in infertility: a retrospective study. J Laparoendosc Adv Surg Tech A 2003 0.75
40 A digital method of sperm immobilization test: comparison to the conventional method. Am J Reprod Immunol 2003 0.75
41 Does Repetitive Stress Damage Judo Practitioners' Elbows? A Stress Ultrasound Imaging Study: 3168 Board #233 June 3, 2: 00 PM - 3: 30 PM. Med Sci Sports Exerc 2016 0.75
42 Bio-immunoregulatory Mechanisms Associated with Reproductive Organs: Relevance in Fertility and in Sexually Transmitted Infections. Preface. J Reprod Immunol 2009 0.75
43 [Testicular tumor detected in a male infertility patient with prior orchiopexy]. Hinyokika Kiyo 2009 0.75
44 Efficacy of antibodies against Escherichia coli expressed chimeric recombinant protein encompassing multiple epitopes of zona pellucida glycoproteins to inhibit in vitro human sperm-egg binding. Mol Reprod Dev 2003 0.75
45 Solid pelvic tumor in a woman with Mayer-Rokitansky-Küstner-Hauser syndrome. Arch Gynecol Obstet 2006 0.75
46 Study of transcripts from AC010088, a 199,485 bp fragment of the human Y chromosome located in the azoospermia factor region c. Reprod Biol 2002 0.75