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- W3135194574 abstract "Osteoblast differentiation leading to bone formation requires a coordinated transcriptional program. Osteoblastic cells with low level of microtubule actin crosslinking factor 1 (MACF1) show reduced osteoblast differentiation ability, however, the comprehensive mechanism of MACF1's action remains unexplored. In the current study, we found that MACF1 knockdown suppressed osteoblast differentiation by altering the transcriptome dynamics. We further identified two MACF1-interacted proteins, cyclin-dependent kinase 12 (CDK12) and MYST/Esa1-associated factor 6 (MEAF6), and two MACF1-interacted transcription factors (TFs), transcription factor 12 (TCF12) and E2F transcription factor 6 (E2F6), which repress osteoblast differentiation by altering the expression of osteogenic TFs and genes. Moreover, we found that MACF1 regulated cytoplasmic-nuclear localization of itself, TCF12 and E2F6 in a concentration-dependent manner. MACF1 oppositely regulates the expression of TCF12 and transcription factor 7 (TCF7), two TFs that drive osteoblast differentiation to opposite directions. This study reveals that MACF1, a cytoskeletal protein, acts as a sponge for repressors of osteoblast differentiation to promote osteoblast differentiation and contributes to a novel mechanistic insight of osteoblast differentiation and transcription dynamics." @default.
- W3135194574 created "2021-03-15" @default.
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- W3135194574 date "2021-03-04" @default.
- W3135194574 modified "2023-10-06" @default.
- W3135194574 title "MACF1 promotes osteoblast differentiation by sequestering repressors in cytoplasm" @default.
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- W3135194574 doi "https://doi.org/10.1038/s41418-021-00744-9" @default.
- W3135194574 hasPubMedCentralId "https://www.ncbi.nlm.nih.gov/pmc/articles/8257666" @default.
- W3135194574 hasPubMedId "https://pubmed.ncbi.nlm.nih.gov/33664480" @default.
- W3135194574 hasPublicationYear "2021" @default.
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