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Mechanism of anti-leukemic effect due to herpes virus reactivation and identification of the optimal point

Research Project

Project/Area Number 18K08459
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Review Section Basic Section 54030:Infectious disease medicine-related
Research InstitutionDokkyo Medical University

Principal Investigator

Seo Sachiko  獨協医科大学, 医学部, 准教授 (60401121)

Project Period (FY) 2018-04-01 – 2022-03-31
Project Status Completed (Fiscal Year 2021)
Budget Amount *help
¥4,290,000 (Direct Cost: ¥3,300,000、Indirect Cost: ¥990,000)
Fiscal Year 2020: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000)
Fiscal Year 2019: ¥1,820,000 (Direct Cost: ¥1,400,000、Indirect Cost: ¥420,000)
Fiscal Year 2018: ¥1,820,000 (Direct Cost: ¥1,400,000、Indirect Cost: ¥420,000)
Keywordsヘルペスウィルス / 再活性化 / 造血幹細胞移植 / ウィルス感染症
Outline of Final Research Achievements

We examined many kinds of cytokines using blood samples obtained from hematopoietic cell transplant recipients and identified ST2(Stimulation 2)and LYVE-1(Lymphocyte vessel endothelial receptor 1)as significantly elevated cytokines at the reactivation of human herpes virus-6.
The cases with cytomegalovirus reactivation at low-copy-number showed better survival than those without reactivation, while the cases with reactivation at high-copy-number showed significantly worse survival.

Academic Significance and Societal Importance of the Research Achievements

造血幹細胞移植後のヘルペスウィルス再活性化は、時に致死的なウィルス感染症を引き起こす一方で、抗腫瘍効果があることが知られている。本研究により同定されたサイトカインは、ウィルス再活性化による抗腫瘍効果の機序解明の糸口となり得る。またこれまでの医療は、移植後ウィルス再活性化を抑制することに主眼が置かれていたが、むしろ適度なウィルス再活性化が造血幹細胞移植後の予後を改善しうるという本研究結果は、ウィルス再活性化コントロールの異なるあり方を示した。

Report

(5 results)
  • 2021 Annual Research Report   Final Research Report ( PDF )
  • 2020 Research-status Report
  • 2019 Research-status Report
  • 2018 Research-status Report

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Published: 2018-04-23   Modified: 2023-01-30  

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