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Home  > Press Release  > CD86-based analysis enables observation of bona fide hematopoietic responses

CD86-based analysis enables observation of bona fide hematopoietic responses

Key Points

Conventional Sca-1-based analysis can potentially cause misinterpretation of stress-mediated hematopoiesis.
CD86 serves as an alternative marker to Sca-1 for assessing bona fide hematopoietic responses under stress conditions.

-Sca-1+c-Kit+ cells; LSKs), is not suitable for the analysis of hematopoietic responses under biological stresses with interferon (IFN) production. Lin-Sca-1-c-Kit+ cells (LKs), downstream progenitors of LSKs, acquire Sca-1 expression upon inflammation, which makes it impossible to distinguish between LSKs and LKs. As an alternative and stable marker even under such stresses, we identified CD86 by screening 180 surface markers. The analysis of infection/inflammation-triggered hematopoiesis on the basis of CD86 expression newly revealed urgent erythropoiesis producing stress-resistant RBCs and intact reconstitution capacity of LSKs, which could not be detected by conventional Sca-1-based analysis.

Journal Article

JOURNAL:
Blood

TITLE:
CD86-based analysis enables observation of bona fide hematopoietic responses

DOI:
https://doi.org/10.1182/blood.2020004923

Correspondence to

Toshiaki OHTEKI, Ph.D.
Department of Biodefense Research
Medical Research Institute, Tokyo Medical and Dental University
1-5-45 Yushima, Bunkyo-ku, Tokyo 113-8510, Japan
E-mail: ohteki.bre(at)mri.tmd.ac.jp

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