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| http://dx.doi.org/10.1370/afm.1389 | DOI Listing |
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Fasting-mimicking diet-enriched suppresses colorectal cancer by inducing memory CD8 T cells.
Gut
January 2025
Department of Anesthesiology, Zhongshan Hospital, Fudan University, Shanghai, China
Background: Fasting-mimicking diet (FMD) boosts the antitumour immune response in patients with colorectal cancer (CRC). The gut microbiota is a key host immunity regulator, affecting physiological homeostasis and disease pathogenesis.
Objective: We aimed to investigate how FMD protects against CRC via gut microbiota modulation.
Compensatory mechanisms underlying arginine vasopressin regulation in transient polyuria during pregnancy.
Peptides
January 2025
Department of Endocrinology and Diabetes, Nagoya University Graduate School of Medicine, Nagoya 466-8550, Japan. Electronic address:
Transient polyuria during pregnancy is reportedly caused by increased arginine vasopressin (AVP) degradation due to vasopressinase produced by the placenta. The mechanism underlying transient polyuria during pregnancy has not been established. In this study we measured urine volume, urine osmolality, and AVP transcriptional activity during pregnancy in wild-type and familial neurohypophysial diabetes insipidus (FNDI) mice.
View Article and Find Full Text PDFEmergence and evolution of heterocyte glycolipid biosynthesis enabled specialized nitrogen fixation in cyanobacteria.
Proc Natl Acad Sci U S A
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Department of Marine Microbiology and Biogeochemistry, Royal Netherlands Institute for Sea Research (NIOZ), Den Burg 1790 AB, The Netherlands.
Heterocytes, specialized cells for nitrogen fixation in cyanobacteria, are surrounded by heterocyte glycolipids (HGs), which contribute to protection of the nitrogenase enzyme from oxygen. Diverse HGs preserve in the sediment and have been widely used as evidence of past nitrogen fixation, and structural variation has been suggested to preserve taxonomic information and reflect paleoenvironmental conditions. Here, by comprehensive HG identification and screening of HG biosynthetic gene clusters throughout cyanobacteria, we reconstruct the convergent evolutionary history of HG structure, in which different clades produce the same HGs.
View Article and Find Full Text PDFCharacterization of a novel D-sorbitol dehydrogenase from Faunimonas pinastri A52C2.
Appl Microbiol Biotechnol
January 2025
Key Laboratory of Industrial Biotechnology, Ministry of Education, Jiangnan University, 1800 Lihu Avenue, Wuxi, 214122, China.
The enzyme D-sorbitol dehydrogenase (SLDH) facilitates the conversion of D-sorbitol to L-sorbose. While current knowledge of this enzyme class predominantly centers on Gluconobacter oxydans, the catalytic properties of enzymes from alternative sources, particularly their substrate specificity and coenzyme dependency, remain ambiguous. In this investigation, we conducted BLASTp analysis and screened out a novel SLDH (Fpsldh) from Faunimonas pinastri A52C2.
View Article and Find Full Text PDFReproductive Risk Estimation Calculator for Balanced Translocation Carriers: An Improved Web-based Resource for Medical Genetics Professionals.
Curr Protoc
January 2025
Myriad Genetic Laboratories, Inc., Salt Lake City, Utah.
Balanced translocation carriers experience elevated reproductive risks, including pregnancy loss and children with anomalies due to generating chromosomally unbalanced gametes. While understanding the likelihood of producing unbalanced conceptuses is critical for individuals to make reproductive decisions, risk estimates are difficult to obtain as most balanced translocations are unique. To improve reproductive risk estimates, Drs.
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