An accurate prediction of how extrinsic stimuli influence changes in gene expression has been challenging. In this issue, Nagano and colleagues successfully model genome-wide mRNA expression changes under variable environmental conditions in rice, raising hopes that scientists will soon be able to predict genome-wide transcriptional responses in a variety of organisms in uncontrolled real-world settings.
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Tire rubber-derived contaminants 6PPD and 6PPD-quinone reduce attachment and outgrowth of trophoblast spheroids onto endometrial epithelial cells.
Ecotoxicol Environ Saf
January 2025
Korea Institute of Toxicology, Daejeon 34114, Republic of Korea. Electronic address:
N-(1,3-Dimethylbutyl)-N'-phenyl-p-phenylenediamine (6PPD), a synthetic additive widely used in the rubber industry, and its oxidized product 6PPD-quinone (6PPDQ), have garnered widespread attention as an emerging hazardous chemicals owing to their potential detrimental effects on aquatic ecosystem and human health. The effects of 6PPD and 6PPDq on the female reproductive tract, especially embryo implantation, remain unknown and were investigated in this study. We used the spheroid attachment and outgrowth models of BeWo trophoblastic spheroids and Ishikawa cells as surrogates for the human blastocyst and endometrial epithelium, respectively.
View Article and Find Full Text PDFSpatiotemporal landscape of kidney in a mouse model of hyperuricemia at single-cell level.
FASEB J
January 2025
Department of Internal Medicine, The Third Affiliated Hospital of Soochow University, Changzhou, Jiangsu, China.
Serum uric acid is an end-product of purine metabolism. Uric acid concentrations in excess of the physiological range may lead to diseases such as gout, cardiovascular disease, and kidney injury. The kidney includes a variety of cell types with specialized functions such as fluid and electrolyte homeostasis, detoxification, and endocrine functions.
View Article and Find Full Text PDFBMP and STRA8 act collaboratively to ensure correct mitotic-to-meiotic transition in the fetal mouse ovary.
Development
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School of Biomedical Sciences, The University of Queensland, Brisbane, Queensland 4072, Australia.
A successful mitosis-to-meiosis transition in germ cells is essential for fertility in sexually reproducing organisms. In mice and humans, it is established that expression of STRA8 is critical for meiotic onset in both sexes. Here we show that BMP signalling is also essential, not for STRA8 induction but for correct meiotic progression in female mouse fetal germ cells.
View Article and Find Full Text PDFCorrelation of fecal microbiome dysregulation to synovial transcriptome in an equine model of obesity associated osteoarthritis.
Ann Transl Med
December 2024
Department of Clinical Sciences, College of Veterinary Medicine and Biomedical Sciences, Colorado State University, Fort Collins, CO, USA.
Background: Osteoarthritis (OA) is increasingly thought to be a multifactorial disease in which sustained gut inflammation serves as a continued source of inflammatory mediators driving degenerative processes at distant sites such as joints. The objective of this study was to use the equine model of naturally occurring obesity associated OA to compare the fecal microbiome in OA and health and correlate those findings to differential gene expression synovial fluid (SF) cells, circulating leukocytes and cytokine levels (plasma, SF) towards improved understanding of the interplay between microbiome and immune transcriptome in OA pathophysiology.
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Metabolic changes that allow artemisinin-resistant parasites to tolerate oxidative stress.
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Centro de Cálculo Científico de la Universidad de Los Andes (CeCalCULA), Universidad de Los Andes (ULA), Mérida, Venezuela.
Artemisinin-based treatments (ACTs) are the first therapy currently used to treat malaria produced by . However, in recent years, increasing evidence shows that some strains of are less susceptible to ACT in the Southeast Asian region. A data reanalysis of several omics approaches currently available about parasites of that have some degree of resistance to ACT was carried out.
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