Journal
MITOCHONDRION
Volume 41, Issue -, Pages 58-65Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.mito.2017.11.005
Keywords
Mitochondria; Germinal center; B cells; Plasma cells; Memory B cells; ROS; Metabolism; Autophagy; Mitophagy
Categories
Funding
- NIH [R01A1116644, R01AI123221]
- Cancer Research Institute of Texas [RP160384]
- NATIONAL INSTITUTE OF ALLERGY AND INFECTIOUS DISEASES [R01AI123221, R01AI116644] Funding Source: NIH RePORTER
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B cells are responsible for protective antibody production after differentiation into antibody-secreting cells during humoral immune responses. From early B cell development in the bone marrow, to their maturation in the periphery, activation in the germinal center, and differentiation into plasma cells or memory B cells, B cells display ever-changing functions and properties. Autophagy and mitochondria play important roles in B cell development, activation, and differentiation to accommodate the phenotypic and environmental changes encountered over the lifetime of the cell. Among their many functions, mitochondria and autophagy generate energy, mediate cell survival, and produce/eliminate reactive oxygen species that can serve as signal molecules to regulate differentiation. As B cells mature and differentiate into plasma or memory cells, both autophagic and mitochondrial functions undergo significant changes. In this review, we aim to provide an overview of the role of the autophagosome and mitochondria in regulating B cell fate, survival, and function. Moreover, we will discuss the interplay between these two highly metabolic organelles during B cell development, maturation, and differentiation.
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