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Lysophosphatidic Acid and Hematopoiesis: From Microenvironmental Effects to Intracellular Signaling.


ABSTRACT: Vertebrate hematopoiesis is a complex physiological process that is tightly regulated by intracellular signaling and extracellular microenvironment. In recent decades, breakthroughs in lineage-tracing technologies and lipidomics have revealed the existence of numerous lipid molecules in hematopoietic microenvironment. Lysophosphatidic acid (LPA), a bioactive phospholipid molecule, is one of the identified lipids that participates in hematopoiesis. LPA exhibits various physiological functions through activation of G-protein-coupled receptors. The functions of these LPARs have been widely studied in stem cells, while the roles of LPARs in hematopoietic stem cells have rarely been examined. Nonetheless, mounting evidence supports the importance of the LPA-LPAR axis in hematopoiesis. In this article, we have reviewed regulation of hematopoiesis in general and focused on the microenvironmental and intracellular effects of the LPA in hematopoiesis. Discoveries in these areas may be beneficial to our understanding of blood-related disorders, especially in the context of prevention and therapy for anemia.

SUBMITTER: Lin KH 

PROVIDER: S-EPMC7139687 | biostudies-literature | 2020 Mar

REPOSITORIES: biostudies-literature

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Lysophosphatidic Acid and Hematopoiesis: From Microenvironmental Effects to Intracellular Signaling.

Lin Kuan-Hung KH   Chiang Jui-Chung JC   Ho Ya-Hsuan YH   Yao Chao-Ling CL   Lee Hsinyu H  

International journal of molecular sciences 20200316 6


Vertebrate hematopoiesis is a complex physiological process that is tightly regulated by intracellular signaling and extracellular microenvironment. In recent decades, breakthroughs in lineage-tracing technologies and lipidomics have revealed the existence of numerous lipid molecules in hematopoietic microenvironment. Lysophosphatidic acid (LPA), a bioactive phospholipid molecule, is one of the identified lipids that participates in hematopoiesis. LPA exhibits various physiological functions thr  ...[more]

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