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Infants' Exposure to Toxic Trace Elements in Teethers.
Biol Trace Elem Res
January 2025
College of Arts & Sciences, American University of Kuwait, P.O. Box 3323, 13034, Safat, Kuwait.
Infants are particularly vulnerable to exposure to toxic trace elements due to their developmental stage and behaviors such as mouthing and chewing on toys. Chemical exposure to heavy metals in infants' toys is a significant concern as it poses a threat to their health and well-being. Therefore, quality control measures are essential to prevent infants' exposure to potentially harmful metals.
View Article and Find Full Text PDFFear conditioning modulates the intrinsic excitability of ventral hippocampal CA1 neurons in male rats.
J Neurophysiol
January 2025
Department of Psychology, University of Wisconsin-Milwaukee, Milwaukee WI, USA.
The hippocampus has a known role in learning and memory, with the ventral subregion supporting many learning tasks involving affective responding, including fear conditioning. Altered neuronal intrinsic excitability reflects experience-dependent plasticity that supports learning-related behavioral changes. Such changes have previously been observed in the dorsal hippocampus following fear conditioning, but little work has examined the effect of fear conditioning on ventral hippocampal intrinsic plasticity.
View Article and Find Full Text PDFFrom gingiva to multiple organs in mice: The trace of via imaging.
J Dent Sci
January 2025
Department of Periodontology, Peking University School and Hospital of Stomatology & National Center for Stomatology & National Clinical Research Center for Oral Diseases & National Engineering Research Center of Oral Biomaterials and Digital Medical Devices& Beijing Key Laboratory of Digital Stomatology & NHC Key Laboratory of Digital Stomatology & NMPA Key Laboratory for Dental Materials, Beijing, China.
Background/purpose: Periodontitis is associated with systemic health. One of the underlying mechanisms is the translocation of periodontal pathogens, among which () is the most common. Here, we aimed to illustrate the biodistribution and dynamics of from gingiva to multiple organs through blood circulation.
View Article and Find Full Text PDFNeurons with larval synaptic targets pioneer the later nervous system in the annelid .
Front Neurosci
January 2025
Michael Sars Centre, University of Bergen, Bergen, Norway.
Comparative studies on the development of nervous systems have a significant impact on understanding animal nervous system evolution. Nevertheless, an important question is to what degree neuronal structures, which play an important role in early stages, become part of the adult nervous system or are relevant for its formation. This is likely in many direct developers, but it is not the case in forms with catastrophic metamorphosis.
View Article and Find Full Text PDFSerological, phenotypic and molecular characterization of brucellosis in small ruminants in northern Algeria.
Front Microbiol
January 2025
Friedrich-Loeffler-Institut, Institute of Bacterial Infections and Zoonoses, Jena, Germany.
Brucellosis is considered a common bacterial zoonotic disease of high prevalence in countries of the Middle East and the Mediterranean region with economic and public health impact. The present study aimed to investigate the current situation of brucellosis in small ruminants reared in Médéa and Sidi Bel-Abbès provinces, north Algeria. To achieve this objective, 96 sera (77 sheep and 19 goat) and 57 milk (42 sheep and 15 goat) samples were collected from suspected infected animals and serologically analyzed by using ELISA.
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