• Search Research Projects
  • Search Researchers
  • How to Use
  1. Back to previous page

Endocrinal regulation of feeding behavior for dietary lipids and metabolism

Research Project

Project/Area Number 20K22741
Research Category

Grant-in-Aid for Research Activity Start-up

Allocation TypeMulti-year Fund
Review Section 0802:Biomedical structure and function and related fields
Research InstitutionHiroshima University

Principal Investigator

Fukumura Keisuke  広島大学, 統合生命科学研究科(総), 助教 (10880049)

Project Period (FY) 2020-09-11 – 2022-03-31
Project Status Completed (Fiscal Year 2021)
Budget Amount *help
¥2,860,000 (Direct Cost: ¥2,200,000、Indirect Cost: ¥660,000)
Fiscal Year 2021: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2020: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Keywords肥満 / 脂肪蓄積 / 内分泌 / 視床下部 / インスリン抵抗性 / 高血糖 / 摂食行動 / 神経ペプチド / 脂質代謝 / 嗜好性
Outline of Research at the Start

栄養分選好性行動は、体内の栄養状態に応じて適切な栄養分を摂食する本能的行動である。研究代表者はこれまでに、末梢からの分泌性因子が脂質成分に対する選好性行動を調節することを明らかにした。本研究では、末梢からのシグナルに応答し、脂質選好性を調節する視床下部因子を明らかにすることを目的とする。また、栄養状態に応答した視床下部因子が、体内の脂肪組織に与える影響を解析することで、体内のエネルギーホメオスタシスを担う分子メカニズムを明らかにする。

Outline of Final Research Achievements

In this study, I focused on Neurosecretory protein GL (NPGL) and analyzed the relationship between its function and nutritional status in the body. We found that NPGL did not induce significant fat accumulation under a high-fat diet. On the other hand, NPGL exhibited a function to alleviate insulin resistance and hyperglycemia induced by high-fat diet feeding. In conclusion, although I could not find a hypothalamic factor that regulates feeding behavior for lipids, I demonstrated a new function of NPGL in suppressing metabolic abnormalities induced by overnutrition.

Academic Significance and Societal Importance of the Research Achievements

世界の肥満人口は20億人にも登り、毎年400万人が肥満関連の疾病で命を落としていると言われている。本研究で研究代表者は、新規脳因子であるNeurosecretory protein GL (NPGL)が、高脂肪食給餌下において、インスリン抵抗性や高血糖を緩和する機能をという新たな機能を示した。すなわち、高脂肪食が溢れる現代では、本申請研究により得られた知見は、基礎的な内分泌学だけでなく、医療分野や世界経済への波及効果も期待できるものである。

Report

(3 results)
  • 2021 Annual Research Report   Final Research Report ( PDF )
  • 2020 Research-status Report
  • Research Products

    (3 results)

All 2021

All Journal Article (3 results) (of which Peer Reviewed: 3 results,  Open Access: 3 results)

  • [Journal Article] Effects of Overexpression of Neurosecretory Protein GL-Precursor Gene on Glucose Homeostasis and Insulin Sensitivity in Mice2021

    • Author(s)
      Fukumura Keisuke、Narimatsu Yuki、Moriwaki Shogo、Iwakoshi-Ukena Eiko、Furumitsu Megumi、Ukena Kazuyoshi
    • Journal Title

      International Journal of Molecular Sciences

      Volume: 22 Issue: 9 Pages: 4681-4681

    • DOI

      10.3390/ijms22094681

    • Related Report
      2021 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Overexpression of the Gene Encoding Neurosecretory Protein GL Precursor Prevents Excessive Fat Accumulation in the Adipose Tissue of Mice Fed a Long-Term High-Fat Diet2021

    • Author(s)
      Fukumura Keisuke、Narimatsu Yuki、Moriwaki Shogo、Iwakoshi-Ukena Eiko、Furumitsu Megumi、Ukena Kazuyoshi
    • Journal Title

      Molecules

      Volume: 26 Issue: 19 Pages: 6006-6006

    • DOI

      10.3390/molecules26196006

    • Related Report
      2021 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Effects of neurosecretory protein GL on food intake and fat accumulation under different dietary nutrient compositions in rats2021

    • Author(s)
      Fukumura Keisuke、Shikano Kenshiro、Narimatsu Yuaki、Iwakoshi-Ukena Eiko、Furumitsu Megumi、Naito Mana、Ukena Kazuyoshi
    • Journal Title

      Bioscience, Biotechnology, and Biochemistry

      Volume: zbab064 Issue: 6 Pages: 1514-1520

    • DOI

      10.1093/bbb/zbab064

    • Related Report
      2020 Research-status Report
    • Peer Reviewed / Open Access

URL: 

Published: 2020-09-29   Modified: 2023-01-30  

Information User Guide FAQ News Terms of Use Attribution of KAKENHI

Powered by NII kakenhi