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http://dx.doi.org/10.1186/s12964-020-00567-0 | DOI Listing |
Front Endocrinol (Lausanne)
January 2025
Department of Reproductive Health and Infertility, Zigong Maternal and Child Health Hospital, Zigong, Sichuan, China.
Introduction: The polyspermy rate is a quality control indicator in the embryology laboratory, and factors affecting polyspermy are of great interest. The gonadotropin-releasing hormone (GnRH) antagonist protocol is currently the mainstream protocol in most reproductive centers. This study explored the factors influencing polyspermy in fertilization (IVF) using the GnRH antagonist protocol and considered corresponding improvement measures.
View Article and Find Full Text PDFPlant Cell Physiol
January 2025
Astrobiology Center, National Institutes of Natural Sciences, Mitaka 181-8588, Japan.
Heterogeneous distribution of PSI and PSII in thick grana in shade chloroplasts is argued to hinder spillover of chlorophyll excitations from PSII to PSI. To examine this dogma, we measured fluorescence induction at 77K at 690 nm (PSII) and 760 nm (mostly PSI) in the leaf discs of Spinacia oleracea, Cucumis sativus and shade tolerant Alocasia odora, grown at high and low light, and quantified their spillover capacities. PSI fluorescence (FI) consists of the intrinsic PSI fluorescence (FIα) and fluorescence caused by excitations spilt over from PSII (FIβ).
View Article and Find Full Text PDFCommun Biol
January 2025
Division of Geriatrics, Department of Medicine, SMPH, University of Wisconsin-Madison, Madison, WI, USA.
Changes in brain mitochondrial metabolism are coincident with functional decline; however, direct links between the two have not been established. Here, we show that mitochondrial targeting via the adiponectin receptor activator AdipoRon (AR) clears neurofibrillary tangles (NFTs) and rescues neuronal tauopathy-associated defects. AR reduced levels of phospho-tau and lowered NFT burden by a mechanism involving the energy-sensing kinase AMPK and the growth-sensing kinase GSK3b.
View Article and Find Full Text PDFJ Crohns Colitis
January 2025
Amsterdam UMC, Department of Gastroenterology and Hepatology, De Boelelaan 1117, 1081 HV Amsterdam, The Netherlands.
Introduction: It remains unclear why up to 30% of ulcerative colitis patients (UC) do not respond to tumor necrosis factor inhibitors (TNFi). Validated biomarkers for (non-)response ((N)R) are lacking. Most studies investigating underlying mechanisms do not differentiate between pharmacokinetic and inflammatory mechanisms.
View Article and Find Full Text PDFFront Pharmacol
December 2024
Department of Pharmacology, Institute of Pharmacy, Nirma University, Ahmedabad, India.
[This corrects the article DOI: 10.3389/fphar.2017.
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