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In vitro bisphenol A impairs testicular energy metabolism and spermatogenesis through nuclear estrogen receptors activation in zebrafish.
Reprod Toxicol
January 2025
Normandie Univ, UNICAEN, OeReCa, 14000 Caen, France. Electronic address:
This study investigated the effects of bisphenol A (BPA) and the involvement of nuclear estrogen receptors (ESR) on testicular energy metabolism and spermatogenesis in zebrafish. Testes were incubated with DMSO, 10 pM or 10μM BPA for 6 or 72h, with some samples pre-incubated with the ESRα/β antagonist ICI 182,780. Gene and protein expressions were analyzed using real-time PCR and Western blot, respectively.
View Article and Find Full Text PDFOptimization of canine sperm cryopreservation by focusing on glycerol concentration and freezing rate.
Vet Res Commun
January 2025
Faculty of Agriculture, University Farm, Utsunomiya University, Tochigi, 321-4415, Japan.
The purpose of this study was to improve the quality of frozen-thawed canine spermatozoa through the optimization of glycerol concentration (GC) and freezing rate in the semen freezing protocol. Ejaculates from nine dogs were diluted with an extender containing 0%, 1.5%, 3%, 6%, or 9% glycerol.
View Article and Find Full Text PDFGlycosylation profiling of monkeypox virus structural proteins with poly Ser-Arg materials.
Analyst
January 2025
Key Laboratory of Phytochemistry and Natural Medicines, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, P. R. China.
Although the glycosylation of viral proteins plays a critical role in the process of viral invasion into host cells, studies on the glycosylation of monkeypox virus (MPXV) structural proteins have not yet been reported. To investigate the importance of MPXV protein glycosylation, poly Ser-Arg (poly SR) materials capable of simultaneously enriching both -glycopeptides and -glycopeptides were synthesized by surface-initiated reversible addition-fragmentation chain transfer (SI-RAFT) polymerization. The poly SR materials were evaluated using the digest mixture of standard proteins containing bovine fetuin and bovine serum albumin, and the digest of complex biological samples including bovine sperm tail lysate, mouse sperm tail lysate, mouse brain lysate, and human serum.
View Article and Find Full Text PDFNb-FAR-1: A key developmental protein affects lipid droplet accumulation and cuticle formation in Nippostrongylus brasiliensis.
PLoS Negl Trop Dis
January 2025
State Key Laboratory for Animal Disease Control and Prevention, Center for Emerging and Zoonotic Diseases, College of Veterinary Medicine, South China Agricultural University, Guangzhou, Guangdong, China.
Fatty acid and retinol binding proteins (FARs) are lipid-binding protein that may be associated with modulating nematode pathogenicity to their hosts. However, the functional mechanism of FARs remains elusive. We attempt to study the function of a certain FAR that may be important in the development of Nippostrongylus brasiliensis.
View Article and Find Full Text PDFIntraspecific variation and functional study of VERL polymorphism in Pacific abalone (Haliotis discus hannai Ino) and giant abalone (H. gigantea Gmelin).
Int J Biol Macromol
January 2025
State Key Laboratory of Mariculture Breeding, College of Ocean and Earth Sciences, Xiamen University, Xiamen 361102, China; Fujian Key Laboratory of Genetics and Breeding of Marine Organisms, College of Ocean and Earth Sciences, Xiamen University, Xiamen 361102, China. Electronic address:
Article Synopsis
- Sperm and eggs have specific proteins called gamete recognition proteins (GRPs) that influence their compatibility in fertilization, and this study focuses on the VERL receptor in two abalone species.
- The full-length VERL sequences were found to be different in Pacific abalone (11,373 bp) and giant abalone (9,405 bp), with variations in their amino acid compositions and repeats.
- Notably, the study discovered a relationship between VERL genotypes and mating preferences in giant abalone, highlighting amino acid diversity's role in fertilization and providing insights for improving abalone breeding practices.
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