TY - JOUR
T1 - Fate erasure logic of gene networks underlying direct neuronal conversion of somatic cells by microRNAs
AU - Cates, Kitra
AU - Yuan, Luorongxin
AU - Yang, Yan
AU - Yoo, Andrew S.
N1 - Publisher Copyright:
© 2024 The Author(s)
PY - 2025/1/28
Y1 - 2025/1/28
N2 - Neurogenic microRNAs 9/9∗ and 124 (miR-9/9∗-124) drive the direct reprogramming of human fibroblasts into neurons with the initiation of the fate erasure of fibroblasts. However, whether the miR-9/9∗-124 fate erasure logic extends to the neuronal conversion of other somatic cell types remains unknown. Here, we uncover that miR-9/9∗-124 induces neuronal conversion of multiple cell types: dura fibroblasts, astrocytes, smooth muscle cells, and pericytes. We reveal the cell-type-specific and pan-somatic gene network erasure induced by miR-9/9∗-124, including cell cycle, morphology, and proteostasis gene networks. Leveraging these pan-somatic gene networks, we predict upstream regulators that may antagonize somatic fate erasure. Among the predicted regulators, we identify TP53 (p53), whose inhibition is sufficient to enhance neuronal conversion even in post-mitotic cells. This study extends miR-9/9∗-124 reprogramming to alternate somatic cells, reveals the pan-somatic gene network fate erasure logic of miR-9/9∗-124, and shows a neurogenic role for p53 inhibition in the miR-9/9∗-124 signaling cascade.
AB - Neurogenic microRNAs 9/9∗ and 124 (miR-9/9∗-124) drive the direct reprogramming of human fibroblasts into neurons with the initiation of the fate erasure of fibroblasts. However, whether the miR-9/9∗-124 fate erasure logic extends to the neuronal conversion of other somatic cell types remains unknown. Here, we uncover that miR-9/9∗-124 induces neuronal conversion of multiple cell types: dura fibroblasts, astrocytes, smooth muscle cells, and pericytes. We reveal the cell-type-specific and pan-somatic gene network erasure induced by miR-9/9∗-124, including cell cycle, morphology, and proteostasis gene networks. Leveraging these pan-somatic gene networks, we predict upstream regulators that may antagonize somatic fate erasure. Among the predicted regulators, we identify TP53 (p53), whose inhibition is sufficient to enhance neuronal conversion even in post-mitotic cells. This study extends miR-9/9∗-124 reprogramming to alternate somatic cells, reveals the pan-somatic gene network fate erasure logic of miR-9/9∗-124, and shows a neurogenic role for p53 inhibition in the miR-9/9∗-124 signaling cascade.
KW - cell fate
KW - CP: Molecular biology
KW - CP: Stem cell research
KW - direct conversion
KW - fate erasure
KW - microRNA
KW - neuronal reprogramming
KW - transcriptomics
UR - http://www.scopus.com/inward/record.url?scp=85213847487&partnerID=8YFLogxK
U2 - 10.1016/j.celrep.2024.115153
DO - 10.1016/j.celrep.2024.115153
M3 - Article
C2 - 39756035
AN - SCOPUS:85213847487
SN - 2639-1856
VL - 44
JO - Cell Reports
JF - Cell Reports
IS - 1
M1 - 115153
ER -