Analysis of the pathophysiology of polycystic ovary syndrome with a focus on inter-organ relationships
Project/Area Number |
20K18217
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Research Category |
Grant-in-Aid for Early-Career Scientists
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Allocation Type | Multi-year Fund |
Review Section |
Basic Section 56040:Obstetrics and gynecology-related
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Research Institution | Nagoya University |
Principal Investigator |
Osuka Satoko 名古屋大学, 医学系研究科, 准教授 (30778296)
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Project Period (FY) |
2020-04-01 – 2023-03-31
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Project Status |
Completed (Fiscal Year 2022)
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Budget Amount *help |
¥4,290,000 (Direct Cost: ¥3,300,000、Indirect Cost: ¥990,000)
Fiscal Year 2022: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2021: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2020: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
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Keywords | 多嚢胞性卵巣症候群 / モデル動物 / 臓器連関 |
Outline of Research at the Start |
PCOSはその多彩な症状のため、病因の詳細は不明であるため対症療法が主であり、根本的な治療法の開発には至っていない。近年、糖質・脂質代謝調節などの疾患おいて臓器連関の関与が着目されており、多臓器で代謝異常や内分泌異常を呈するPCOSでは、このような臓器間のネットワークがその病態において重要な役割をもつ可能性が高い。本研究では、生殖生理・内分泌を制御する視床下部-下垂体-卵巣軸に加え、肝臓、筋肉、骨、消化管など、これらをとりまく複数の臓器から分泌される因子に着目した解析により、新規治療につながるようなPCOSの病態解明をめざす。
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Outline of Final Research Achievements |
We analyzed animal models and existing data to extract factors associated among organs in PCOS. Analysis of the model detected RBP4 as a hepatokine with altered gene expression in the liver and elevated serum levels. Analysis of oocytes showed activation of ribosome-related pathways, and RBP4 has also been reported to be associated with ribosome activation. In addition, analysis of existing data on the endometrium, the site of implantation, showed decreased expression of IGF-1 and activation of the TNFa pathway, which is suppressed by IGF-1 and activated by RBP4, suggesting that androgen action and increased RBP4 secretion from the liver in PCOS may contribute to metabolic disorders and infertility.
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Academic Significance and Societal Importance of the Research Achievements |
PCOS(多嚢胞性卵巣症候群)は、排卵障害による不妊症に加え、糖質・脂質代謝異常や、子宮体がん、妊娠時中の周産期合併症の増加にも関与する。女性の 10% 程度に認められるありふれた疾患であるにもかかわらず、病態の詳細は不明であり、現在は対症療法のみで根本的な治療法はない。近年 2 型糖尿病や脂質代謝異常などの疾患において、臓器連関(臓器間のネットワーク)の重要性が多数報告されている。本研究では、PCOSを全身性の疾患ととらえて多臓器の解析を行うことで、PCOSにおいても臓器間のネットワークがその病態に関与することを示唆、PCOSの病態の理解を深め、抜本的な治療法開発に寄与する可能性がある。
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Report
(4 results)
Research Products
(18 results)
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[Journal Article] Upregulated Ribosomal Pathway Impairs Follicle Development in a Polycystic Ovary Syndrome Mouse Model: Differential Gene Expression Analysis of Oocytes2023
Author(s)
Nakanishi N, Osuka S, Kono T, Kobayashi H, Ikeda S, Bayasula B, Sonehara R, Murakami M, Yoshita S, Miyake N, Muraoka A, Kasahara Y, Murase T, Nakamura T, Goto M, Iwase A, Kajiyama H.
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Journal Title
Reprod Sci
Volume: 30
Issue: 4
Pages: 1306-1315
DOI
Related Report
Peer Reviewed / Open Access
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[Journal Article] Guidelines for Reproductive Medicine in Japan2022
Author(s)
Yamada Mitsutoshi、Osuka Satoko、Kanasaki Haruhiko、Kawano Yasushi、Kawamura Kazuhiro、Kishi Hiroshi、Kimura Fuminori、Kuroda Shinnosuke、Kuwahara Akira、Tamura Hiroshi、Jwa Seung Chik、Baba Tsuyoshi、Harada Miyuki、Hirata Tetsuya、Yoshino Osamu、Hirota Yasushi、Tsujimura Akira、Kuji Naoaki、Osuga Yutaka
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Journal Title
Reproductive Medicine and Biology
Volume: 21
Issue: 1
Pages: 1-1
DOI
Related Report
Peer Reviewed / Open Access
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[Journal Article] Primate-specific POTE-actin gene could play a role in human folliculogenesis by controlling the proliferation of granulosa cells2021
Author(s)
Kasahara Y, Osuka S, Takasaki N, Bayasula, Koya Y, Nakanishi N, Murase T, Nakamura T, Goto M, Iwase A, Kajiyama H
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Journal Title
Cell Death Discov
Volume: 7
Issue: 1
Pages: 186-186
DOI
Related Report
Peer Reviewed / Open Access
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[Presentation] Unkeito (Wen-jing-tang) Decreases Ovulation Disorder in a Rat Model of Polycystic Ovary Syndrome2023
Author(s)
Satoko Osuka, Sayako Yoshita, Tomofumi Shimizu, Chinami Matsumoto, Tomomi Seki, Natsuki Miyake, Reina Sonehara, Ayako Muraoka,Natsuki Nakanishi,Tomoko Nakamura,Hiroaki Kajiyama
Organizer
SRI 70th Ammual Scientific Meeting
Related Report
Int'l Joint Research
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[Presentation] Effects of Unkeito, a Traditional Japanese Kampo Medicine, on Animal Models of Polycystic Ovary Syndrome2021
Author(s)
Sayako Yoshita, Satoko Osuka, Ayako Muraoka, Shotaro Hayashi, Natsuki Nakanishi, Tomohiko Murase, Tomoko Nakamura, Maki Goto, Hiroaki Kajiyama, Tomofumi Shimizu, Chinami Matsumoto
Organizer
第73回日本産科婦人科学会学術講演会
Related Report
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[Presentation] Differential Gene Expression and DNA Methylation Analysis of Oocyte in A Mouse Model of PCOS2020
Author(s)
Natsuki Nakanishi, Satoko Osuka, Rena Sonehara, Natsuki Miyake, Mayuko Murakami, Shotaro Hayashi, Ayako Muraoka, Sayako Yoshita, Yukiyo Kasahara, Tomohiko Murase, Tomoko Nakamura, Maki Goto, Fumitaka Kikkawa
Organizer
The 72nd Annual Congress of the Japan Society of Obstetrics and Gynecology
Related Report
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