Transcripts of repetitive DNA elements signal to block phagocytosis of hematopoietic stem cells | Science

Macrophages maintain hematopoietic stem cell (HSC) quality by assessing cell surface Calreticulin (Calr), an “eat-me” signal induced by reactive oxygen species (ROS). Using zebrafish genetics, we identified Beta-2-microglobulin (B2m) as a crucial “don’t …



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