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2021 Fiscal Year Final Research Report

Short term effects of cernitin pollen extracts in rats with non-bacterial prostatitis model

Research Project

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Project/Area Number 19K09714
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Review Section Basic Section 56030:Urology-related
Research InstitutionOita University

Principal Investigator

Mori Kenichi  大分大学, 医学部, 客員研究員 (00579013)

Project Period (FY) 2019-04-01 – 2022-03-31
Keywords前立腺肥大症 / インフラマゾーム / NLRP3 / IL1β / 非細菌性前立腺炎 / セルニチンポーレンエキス
Outline of Final Research Achievements

It is well known that prostatic inflammation causes male lower urinary tract symptoms (LUTS). However, the treatment of non-bacterial prostatic inflammation still has not been established. Cernitin pollen extract (composed of Cernitin T60 and Cernitin GBX) improves human male LUTS of prostatic inflammation, nevertheless the detailed mechanism of that is unknown. Therefore, we investigated the effect of Cernitin pollen extraxt in a rat model with nonbacterial prostatic inflammation. Cernitin T60 or Cernitin GBX respectively improved prostatic inflammation evidenced by decreased expression of IL-1β and NLRP3 mRNA. However, for improved overactive bladder conditions of prostatic inflammation rats in short term, both Cernitin T60 of Cernitin GBX should be needed evidenced by non-invasive voiding assessment in conscious. Cernitin pollen extract could improve prostatic inflammation and overactive bladder conditions in short term.

Free Research Field

排尿機能

Academic Significance and Societal Importance of the Research Achievements

現在、男性下部尿路症状に対する治療薬としてセルニチンポーレンエキスが臨床応用されている。抗炎症作用を持つことから慢性前立腺炎や前立腺肥大症に有効とされるものの、その詳細な機序は明らかにされていない。本研究ではセルニチンポーレンエキスがNLRP3インフラマソーム抑制によって、抗炎症作用を発揮することを解明できた。超高齢化社会において前立腺肥大症の罹患患者数は増え続けているが、その詳細な病態はいまだに明らかではなく炎症をターゲットとした前立腺肥大症の病態解明および治療法の開発は非常に限られている。したがって、本研究の役割は非常に大きく臨床応用へと発展させる基礎研究となり得る。

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Published: 2023-01-30  

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