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| http://dx.doi.org/10.1038/s41423-021-00771-z | DOI Listing |
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Recent advances in embryology have shown that the sister blastomeres of 2-cell mouse and human embryos differ reciprocally in potency. An open question is whether the blastomeres became different as opposed to originating as different. Here we wanted to test two conflicting models: one proposing that each blastomere contains both animal and vegetal materials in balanced proportions because the plane of first cleavage runs close to the animal-vegetal axis of the fertilized oocyte; and the other model proposing that each blastomere contains variable proportions of animal and vegetal materials because the plane of the first cleavage can vary depending on the topology of fertilization.
View Article and Find Full Text PDFGenetic associations of plasma metabolites with immune cells in hyperthyroidism revealed by Mendelian randomization and GWAS-sc-eQTLs xQTLbiolinks analysis.
Sci Rep
January 2025
The Department of General Surgery, Zhongshan City People's Hospital, Zhongshan, 528400, Guangdong Province, China.
Mendelian randomization (MR) was employed to investigate the causal relationships between immune cell phenotypes, hyperthyroidism (HD), and potential metabolic mediators. In this study, we acquired 731 immune cell phenotypes from genome-wide association studies (GWAS) (n = 18,622), HD data from the research by Handan Melike Dönertaş et al. (3,731 cases, 480,867 controls), and aggregated statistics of 1,400 blood metabolites from UK Biobank (n = 115,078).
View Article and Find Full Text PDFIdentification and monitoring of cell heterogeneity from plasmid recombination during limonene production.
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January 2025
NUS Synthetic Biology for Clinical and Technological Innovation (SynCTI), National University of Singapore, Kent Ridge, 117456, Singapore.
Detecting alterations in plasmid structures is often performed using conventional molecular biology. However, these methods are laborious and time-consuming for studying the conditions inducing these mutations, which prevent real-time access to cell heterogeneity during bioproduction. In this work, we propose combining both flow cytometry and fluorescence-activated cell sorting, integrated with mechanistic modelling to study conditions that lead to plasmid recombination using a limonene-producing microbial system as a case study.
View Article and Find Full Text PDFAtlas of Fshr expression from novel reporter mice.
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Laboratory of Bone and Adipose Biology, Shanxi Medical University, Taiyuan, China.
The FSH-FSHR pathway has been considered an essential regulator in reproductive development and fertility. But there has been emerging evidence of FSHR expression in extragonadal organs. This poses new questions and long-term debates regarding the physiological role of the FSH-FSHR, and underscores the need for reliable, in vivo analysis of FSHR expression in animal models.
View Article and Find Full Text PDFMetabolic rewiring in skin epidermis drives tolerance to oncogenic mutations.
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Department of Genetics, Yale School of Medicine, New Haven, CT, USA.
Skin epithelial stem cells correct aberrancies induced by oncogenic mutations. Oncogenes invoke different strategies of epithelial tolerance; while wild-type cells outcompete β-catenin-gain-of-function (βcatGOF) cells, Hras cells outcompete wild-type cells. Here we ask how metabolic states change as wild-type stem cells interface with mutant cells and drive different cell-competition outcomes.
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