Comprehensive profiling of cell-free RNA in seminal plasma reveals functional links to spermatogenic impairment.
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Journal Article↗
Biomedical subjects
Ya Gao
Publications and source records attributed to Ya Gao.
Bringing human early embryo development to clinical interpretation: HESTA as an evolving reference.
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Letter↗
Multi-omics analyses reveal DjTcf4 critical for proper timing of differentiation in planarian regeneration.
The blastema is key to forming complete tissues in regenerating Dugesia japonica (D. japonica). However, the dynamic changes in cellular compositions and transcription landscapes in blastema during regeneration are understudied. Here, through genome reannotation, 3D spatial transcriptome construction, single-cell RNA sequencing (scRNA-seq), and single-cell assay for transposase-accessible chromatin sequencing (scATAC-seq) analyses of changes in gene expression and chromatin structures, we delineate key transcription factors regulating the developmental trajectories of major cell clusters in the regenerating head. Importantly, we find that the T cell factor 4 (DjTcf4)-positive cells highly accumulate at wound areas, and its gene network is critical for the proper timing of development during regeneration in multiple progenitor cells. Depletion of DjTcf4 and its target genes leads to singular eye and/or dull tail phenotypes and delays regeneration. Taken together, we build multi-omics atlases in D. japonica and reveal the noncanonical function of the DjTcf4 network in developmental pattern formation, laying a foundation for studies of regeneration in D. japonica.
Animals↗