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2020 Fiscal Year Final Research Report

Immature Schwann cells contribute to pancreatic cancer cell migration and invasion

Research Project

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Project/Area Number 18K07382
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Review Section Basic Section 51030:Pathophysiologic neuroscience-related
Research InstitutionOsaka University

Principal Investigator

Suzuki Masami  大阪大学, 医学系研究科, 助教 (80434182)

Project Period (FY) 2018-04-01 – 2021-03-31
Keywordsがん / シュワン細胞
Outline of Final Research Achievements

The nerve repair signaling following nerve injury may facilitates cancer progression. I previously revealed that Schwann cells were dedifferentiated into immature Schwann cells by cancer cells-induced peripheral nerve injury. In this study, I investigated the role of immature Schwann cells in cancer cells migration/invasion. Conditioned medium from immature Schwann cells significantly enhanced the migration of cancer cells toward the conditioned medium. To explore the collaboration between immature Schwann cells and cancer cells, we developed in vitro coculture system. Immature Schwann cells was associated with cancer cells with their protrusions and formed tunnels. These results suggest that immature Schwann cells dedifferentiated by cancer cells might be a key regulator of cancer cell migration and invasion.

Free Research Field

薬理

Academic Significance and Societal Importance of the Research Achievements

これまでのがん研究は、発生学や免疫学からのアプローチが主で、神経科学的にアプローチされることは少なかった。本研究の学術的意義は、がんにより引き起こされる神経障害、特にシュワン細胞の脱分化により誘導された未分化型のシュワン細胞が、がん細胞の遊走能および浸潤能を増大させることを明らかにした点である。本研究成果は、がんによる神経障害を制御することががんの進展を抑制することを示唆しており、これら重複する分子メカニズムをターゲットとした治療は、神経障害に伴う難治性の痛みを軽減するだけではなく、がんの増悪を抑制できる可能性が考えられる。

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Published: 2022-01-27  

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