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R. Osada · SciRah

Researcher profile · Semantic Scholar

R. Osada

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R. Osada — researcher profile on SciRah

h-index: 13
Works: 25
Citations: 958

Most-cited papers

Hedgehog signal pathway is activated in ovarian carcinomas, correlating with cell proliferation: It's inhibition leads to growth suppression and apoptosis
Xiaojun Chen, A. Horiuchi, Norihiko Kikuchi, R. Osada +3 more
2007Cancer Science168 citations Open access
Semantic Scholar
Changes in the expression of E-cadherin repressors, Snail, Slug, SIP1, and Twist, in the development and progression of ovarian carcinoma: the important role of Snail in ovarian tumorigenesis and progression
J. Yoshida, A. Horiuchi, Norihiko Kikuchi, Akiko Hayashi +4 more
2009Medical Molecular Morphology121 citations
Semantic Scholar
Expression of hypoxia-inducible factor 1alpha, hypoxia-inducible factor 2alpha, and von Hippel-Lindau protein in epithelial ovarian neoplasms and allelic loss of von Hippel-Lindau gene: nuclear expression of hypoxia-inducible factor 1alpha is an independent prognostic factor in ovarian carcinoma.
R. Osada, A. Horiuchi, Norihiko Kikuchi, J. Yoshida +5 more
2007Human Pathology118 citations
Semantic Scholar
Nuclear expression of S100A4 is associated with aggressive behavior of epithelial ovarian carcinoma: An important autocrine/paracrine factor in tumor progression
Norihiko Kikuchi, A. Horiuchi, R. Osada, Tsutomu Imai +3 more
2006Cancer Science102 citations Open access
Semantic Scholar
Elevated expression of E-cadherin and α-, β-, and γ-catenins in metastatic lesions compared with primary epithelial ovarian carcinomas
Tsutomu Imai, A. Horiuchi, T. Shiozawa, R. Osada +4 more
200491 citations
Semantic Scholar
Expression of semaphorins, vascular endothelial growth factor, and their common receptor neuropilins and alleic loss of semaphorin locus in epithelial ovarian neoplasms: increased ratio of vascular endothelial growth factor to semaphorin is a poor prognostic factor in ovarian carcinomas.
R. Osada, A. Horiuchi, Norihiko Kikuchi, S. Ohira +3 more
2006Human Pathology73 citations
Semantic Scholar
Elevated expression of E-cadherin and alpha-, beta-, and gamma-catenins in metastatic lesions compared with primary epithelial ovarian carcinomas.
Tsutomu Imai, A. Horiuchi, T. Shiozawa, R. Osada +4 more
2004Human Pathology60 citations
Semantic Scholar
Overexpression of RhoA enhances peritoneal dissemination: RhoA suppression with Lovastatin may be useful for ovarian cancer
A. Horiuchi, Norihiko Kikuchi, R. Osada, Cui-Ju Wang +3 more
2008Cancer Science57 citations Open access
Semantic Scholar
Ovarian yolk sac tumor with endometrioid carcinoma arising from endometriosis in a postmenopausal woman, with special reference to expression of alpha-fetoprotein, sex steroid receptors, and p53.
A. Horiuchi, R. Osada, K. Nakayama, T. Toki +2 more
1998Gynecologic Oncology53 citations
Semantic Scholar
Vulvar Paget's disease with underlying adenocarcinoma simulating breast carcinoma: case report and review of the literature
S. Ohira, K. Itoh, K. Osada, Kenji Oka +4 more
2003International Journal of Gynecologic Cancer43 citations Open access
Semantic Scholar
Warning from Nagano: increase of vulvar hematoma and/or lacerated injury caused by snowboarding.
M. Kanai, R. Osada, Kazutoshi Maruyama, Hideyuki Masuzawa +2 more
2001Journal of Trauma18 citations
Semantic Scholar
Predicting the Route of Delivery in Women with Low-Lying Placenta Using Transvaginal Ultrasonography: Significance of Placental Migration and Marginal Sinus
S. Ohira, Norihiko Kikuchi, Hisanori Kobara, R. Osada +3 more
2012Gynecologic and Obstetric Investigation14 citations Open access
Semantic Scholar
A new technique using a rubber balloon in emergency second trimester cerclage for fetal membrane prolapse
M. Kanai, Takashi Ashida, S. Ohira, R. Osada +1 more
2008The journal of obstetrics and gynaecology research14 citations Open access
Semantic Scholar
Identification of a high incidence region for retroviral vector integration near exon 1 of the LMO2 locus
Koichiro Yamada, Tomonori Tsukahara, Kazuhisa Yoshino, Katsuhiko Kojima +15 more
2009Retrovirology11 citations Open access
Semantic Scholar
BRCA1 Expression is an Important Biomarker for Chemosensitivity: Suppression of BRCA1 Increases the Apoptosis via Up-regulation of p53 and p21 During Cisplatin Treatment in Ovarian Cancer Cells
A. Horiuchi, Cui-Ju Wang, Norihiko Kikuchi, R. Osada +2 more
2006Biomarker Insights8 citations Open access
Semantic Scholar
Fetal Goitrous Hypothyroidism due to Maternal Thyroid Stimulation-Blocking Antibody: A Case Report
S. Ohira, Masako Miyake, Hisanori Kobara, Norihiko Kikuchi +6 more
2010Fetal Diagnosis and Therapy7 citations Open access
Semantic Scholar
Actinocyclus aquae-dulcis sp. nov. (Coscinodiscophyceae, Coscinodiscales, Hemidiscaeae), a new centric diatom from Lake Akan and northern coasts of Japan
Takashi Chiba, R. Osada, A. Tuji, M. Idei
2025Phytotaxa0 citations
Semantic Scholar
A case of cesarean scar disorder with a chocolate cyst-like mass of 6 cm in diameter
R. Osada, Takashi Imai, Yurika Sugiyama, Kota Takano +1 more
2024JAPANESE JOURNAL OF GYNECOLOGIC AND OBSTETRIC ENDOSCOPY0 citations Open access
Semantic Scholar
Effectiveness of Laparoscopic Surgery for Treating Primary Peritonitis Caused by Group A Streptococcus: A Case Report
R. Osada, Takashi Imai, Sayaka Yasaki, Kota Takano +2 more
2021JOURNAL OF THE JAPANESE ASSOCIATION OF RURAL MEDICINE0 citations Open access
Semantic Scholar
Contents Vol. 28, 2010
M. Evans, Tze-Kin Lau, A. Weichert, M. Vogt +44 more
2010Fetal Diagnosis and Therapy0 citations Open access
Semantic Scholar
Subject Index Vol. 28, 2010
M. Evans, Tze-Kin Lau, A. Weichert, M. Vogt +44 more
2010Fetal Diagnosis and Therapy0 citations Open access
Semantic Scholar
Shinshu University Institutional Repository SOAR-IR
N. Kikuchi, R. Osada, Wang
20080 citations
Semantic Scholar
0186: Nuclear Expression of S100A4 Protein is a Marker for Unfavorable Outcomes in Patients with Ovarian Carcinoma
Norihiko Kikuchi, A. Horiuchi, Tsutomu Imai, R. Osada +1 more
2006International Journal of Gynecologic Cancer0 citations Open access
Semantic Scholar
S100A4 MAY PLAY AN IMPORTANT ROLE IN OVARIAN CANCER PROGRESSION
Norihiko Kikuchi, A. Horiuchi, Tsutomu Imai, Cuiju Wang +2 more
2004International Journal of Gynecologic Cancer0 citations Open access
Semantic Scholar
REDUCED EXPRESSION OF SEMAPHORIN AND INCREASED EXPRESSION OF VEGF AND THEIR COMMON RECEPTOR NEUROPILINS IN OVARIAN CARCINOMAS
R. Osada, A. Horiuchi, S. Ohira, Cuiju Wang +3 more
2004International Journal of Gynecologic Cancer0 citations Open access
Semantic Scholar

Frequent co-authors

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