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Why has the 'miracidium' of Notocotylidae (Trematoda: Digenea) lost all stage-specific traits?
Parasitol Res
January 2025
Department of Invertebrate Zoology, Saint Petersburg University, Universitetskaya emb., 7/9, Saint Petersburg, 199034, Russia.
Digeneans of the family Notocotylidae differ from other digeneans in their peculiar eggs. The eggs feature a pair of long filaments extending from their poles, and their contents differ significantly from what we expect to observe in the eggs of digeneans. Instead of a ciliated miracidium larva, the notocotylid egg contains a tiny few-celled mother sporocyst.
View Article and Find Full Text PDFSperm DNA fragmentation: focusing treatment on seminal transport fluid beyond sperm production.
Arch Ital Urol Androl
January 2025
Centro de Uro-Andrología S.C., Guadalajara, Jalisco.
Aim: To determine the effects of oral antibiotics and anti-inflammatory agents on semen parameters and the sperm DNA fragmentation index (DFI).
Methods: Ninety-eight men with infertility diagnosis were included. The participants submitted two semen samples, before and at least two months after treatment.
(pollen beetle) gastrointestinal disease experimentally reproduced in sheep.
Vet Pathol
January 2025
University of California, Davis, San Bernardino, CA.
Intoxication of sheep and cattle by recently occurred in Uruguay and Argentina in association with severe drought. Although the disease was experimentally reproduced in sheep in the 1970s, there is limited information on clinical and pathologic findings of sheep experimentally intoxicated by this beetle. Here, we described the clinical, gross, and microscopic findings in 3 sheep orally dosed with (treatment group, TG) and in 2 control sheep (control group, CG) dosed with distilled water.
View Article and Find Full Text PDFPre-clinical acute oral toxicity and subacute neurotoxicity risk assessments on sprague dawley rats treated with single dose or repeated doses of flavonoid-enriched fraction extracted from leaves.
Drug Chem Toxicol
January 2025
School of Health Sciences, Health Campus, Universiti Sains Malaysia, Kubang Kerian, Malaysia.
possesses promising flavonoid secondary metabolites. However, translation of these compounds into clinical practice for neurological disease treatment is halted as the toxicity and safety profile of the plant extracts are yet to be determined. This study was conducted to assess the acute oral toxicity and subacute neurotoxicity that could be imposed by the flavonoid-enriched fraction (FEF) extracted from leaves, by strictly following the procedures set in Organization for Economic Co-operation and Development (OECD) Guidelines No.
View Article and Find Full Text PDFSelf-Assembly of V-Shaped Polyaromatic Amphiphiles Studied by Molecular Dynamics Simulation.
J Phys Chem B
January 2025
Department of Chemistry, Graduate School of Science, Kyoto University, Kitashirakawa Oiwake-Cho, Sakyo-ku, Kyoto 606-8502, Japan.
V-shaped polyaromatic amphiphiles (s) form micelle-like nonbonded self-assemblies in aqueous solution and feature prominent properties of encapsulation and solubilization for various types of hydrophobic molecules. To understand microscopic molecular characteristics underlying the wide capability of solubilization, the atomic-level molecular structures of the self-assemblies of s were investigated by microsecond molecular dynamics (MD) simulations. The MD simulations showed that s spontaneously formed quasi-stable self-assemblies, in close agreement with experimental observations.
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