期刊
BIOMOLECULES
卷 12, 期 10, 页码 -出版社
MDPI
DOI: 10.3390/biom12101521
关键词
JAK3; immunodeficiency; SCID; lymphoid cells; leukemia; zebrafish
资金
- Deakin University
This study successfully generated a zebrafish model of SCID and found that mutant fish exhibited defects in lymphoid development and maturation and were susceptible to lymphoid leukemia. The model has similarities to human SCID and can be used for pre-clinical research.
JAK3 is principally activated by members of the interleukin-2 receptor family and plays an essential role in lymphoid development, with inactivating JAK3 mutations causing autosomal-recessive severe combined immunodeficiency (SCID). This study aimed to generate an equivalent zebrafish model of SCID and to characterize the model across the life-course. Genome editing of zebrafish jak3 created mutants similar to those observed in human SCID. Homozygous jak3 mutants showed reduced embryonic T lymphopoiesis that continued through the larval stage and into adulthood, with B cell maturation and adult NK cells also reduced and neutrophils impacted. Mutant fish were susceptible to lymphoid leukemia. This model has many of the hallmarks of human SCID resulting from inactivating JAK3 mutations and will be useful for a variety of pre-clinical applications.
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