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Motif distribution and DNA methylation underlie distinct Cdx2 binding during development and homeostasis.
Nat Commun
January 2025
Department of Stem Cell Biology and Regenerative Medicine, Keck School of Medicine, University of Southern California, Los Angeles, CA, USA.
Transcription factors guide tissue development by binding to developmental stage-specific targets and establishing an appropriate enhancer landscape. In turn, DNA and chromatin modifications direct the genomic binding of transcription factors. However, how transcription factors navigate chromatin features to selectively bind a small subset of all the possible genomic target loci remains poorly understood.
View Article and Find Full Text PDFWDR74-Mediated Ribosome Biogenesis and Proteome Dynamics During Mouse Preimplantation Development.
Genes Cells
January 2025
Advanced Biological Information Research Division, INAMORI Frontier Research Center, Kyushu University, Fukuoka, Japan.
Preimplantation embryonic development is orchestrated by dynamic changes in the proteome and transcriptome, regulated by mechanisms such as maternal-to-zygotic transition. Here, we employed label-free quantitative proteomics to comprehensively analyze proteome dynamics from germinal vesicle oocytes to blastocysts in mouse embryos. We identified 3490 proteins, including 715 consistently detected across all stages, revealing stage-specific changes in proteins associated with translation, protein modification, and mitochondrial metabolism.
View Article and Find Full Text PDFLandscape and regulation of new protein translation in the early embryo.
bioRxiv
January 2025
Department of Molecular Biosciences, The University of Texas at Austin, Austin, TX 78712, USA.
Translation of maternal mRNAs is crucial for early embryonic development. In cell fates become determined from the first division without new transcription, making this organism ideal for studying post-transcriptional regulation of lineage specification. Using low-input ribosome profiling combined with RNA sequencing on precisely staged embryos, we measured protein translation during the first four cell cycles of development.
View Article and Find Full Text PDFAntibody-drug conjugates targeting SSEA-4 inhibits growth and migration of SSEA-4 positive breast cancer cells.
Cancer Lett
January 2025
Graduate Institute of Biomedical Sciences, China Medical University, Taichung, 406040, Taiwan; Institute of Biochemistry and Molecular Biology, China Medical University, Taichung, 406040, Taiwan. Electronic address:
Although breast cancer treatment has evolved significantly in recent years, drug resistance remains a major challenge. To identify new targets for breast cancer, we found that stage-specific embryonic antigen 4 (SSEA-4) is expressed in all subtypes of breast cancer cell lines, and the increased expression of the associated enzymes β3GalT5 and ST3Gal2 correlates with poor recurrence-free survival (RFS) in breast cancer. We also found that SSEA-4 antibodies can be rapidly internalized into breast cancer cells, a property that makes SSEA-4 an attractive target for antibody-drug conjugates (ADCs).
View Article and Find Full Text PDFMUC1 expression is associated with ST3GAL2 and negatively correlated with the androgen receptor in castration-resistant prostate cancer.
Glycoconj J
December 2024
Department of Urology, University of the Ryukyus Graduate School of Medicine, 207 Uehara, Nishihara, Nakagami-gun, Okinawa, 903-0215, Japan.
Stage-specific embryonic antigen-4 (SSEA-4) is a developmentally regulated antigen, while expression level of SSEA-4 and / or its synthase ST3GAL2 is associated with prognosis in various malignancies. We have reported a prominent increase of SSEA-4 in castration-resistant prostate cancer (CRPC) and its negative correlation with the androgen receptor (AR). Meanwhile, loss of AR has increased to approximately 30% with the growing use of androgen receptor signaling inhibitor for metastatic CRPC (mCRPC).
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