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RNase T2 deficiency promotes TLR13-dependent replenishment of tissue-protective Kupffer cells.
J Exp Med
March 2025
Division of Innate Immunity, The Institute of Medical Science, The University of Tokyo, Minato-ku, Japan.
Lysosomal stress due to the accumulation of nucleic acids (NAs) activates endosomal TLRs in macrophages. Here, we show that lysosomal RNA stress, caused by the lack of RNase T2, induces macrophage accumulation in multiple organs such as the spleen and liver through TLR13 activation by microbiota-derived ribosomal RNAs. TLR13 triggered emergency myelopoiesis, increasing the number of myeloid progenitors in the bone marrow and spleen.
View Article and Find Full Text PDFNanotechnological Plastic Flooring: Implications for Broiler Chicken Performance, Health, and Carcass Quality.
Vet Sci
January 2025
Department of Animal Science, Universidade Federal de Viçosa, University Campus, Viçosa 36570-900, Brazil.
This study evaluated the effects of two types of plastic flooring-one with and one without nanotechnological antimicrobial additives-used as complete or partial replacements for wood shavings on broiler chicken performance, yield, meat quality, and litter microbiology over 42 days. A total of 1500 Ross 408 male broiler chicks were randomly assigned to five treatment groups: wood shavings (WS), plastic flooring (PF), a 50/50 mix of plastic flooring and wood shavings (PF + WS), plastic flooring with antimicrobial additives (PFA), and a 50/50 mix of antimicrobial plastic flooring and wood shavings (PFA + WS). This study evaluated organ biometrics (liver, heart, spleen, and gizzard), the severity of lesions, microbiological profiles, performance indices, and meat quality.
View Article and Find Full Text PDFDehydrothyrsiferol Against Cutaneous Leishmaniasis: Treatment Outcome in a Murine Model.
Mar Drugs
December 2024
Instituto Universitario de Enfermedades Tropicales y Salud Pública de Canarias (IUETSPC), Universidad de La Laguna (ULL), Avenida Astrofísico Francisco Sánchez s/n, 38206 La Laguna, Spain.
One of the most important steps in preclinical drug discovery is to demonstrate the in vivo efficacy of potential leishmanicidal compounds and good characteristics at the level of parasite killing prior to initiating human clinical trials. This paper describes the use of dehydrothyrsiferol (DT), isolated from the red alga , in a pharmaceutical form supported on Sepigel, and the in vivo efficacy against a mouse model of cutaneous leishmaniasis. Studying the ultrastructural effect of DT was also carried out to verify the suspected damage at the cellular level and determine the severity of damages produced in the homeostasis of promastigotes.
View Article and Find Full Text PDFAntarctic Krill Protein Amyloid Fibrils as a Novel Iron Carrier for the Improvement of Iron Deficiency.
J Agric Food Chem
January 2025
SKL of Marine Food Processing & Safety Control, National Engineering Research Center of Seafood, School of Food Science and Technology, Dalian Polytechnic University, Dalian 116034, China.
Iron fortification with food supplements remains the primary dietary strategy for improving iron deficiency anemia (IDA). This study used Antarctic krill protein for fibrillar design to form an Antarctic krill protein amyloid fibril (AKAF). The results indicated that peptides generated by proteolysis were a prerequisite for fibril assembly, forming elongated fibril structures and cross-linking upon heating.
View Article and Find Full Text PDFRegulatory Mechanisms of Signaling Pathways in Liver Cancer Treatment with Traditional Chinese Medicine.
J Ethnopharmacol
January 2025
Department of Spleen and Gastroenterology, Dongzhimen Hospital, Beijing University of Chinese Medicine,100007; Liver Diseases Academy of Traditional Chinese Medicine, Beijing University of Chinese Medicine,100029.
Ethnopharmacological Relevance: Traditional Chinese Medicine (TCM), as a longstanding therapeutic approach, offers unique advantages and potential in the treatment of liver cancer. Recent studies have highlighted its role in preventing liver cancer progression by modulating key signaling pathways. TCM's multi-component, multi-target, and multi-pathway mechanisms of action have garnered significant attention in the medical community for their ability to address complex diseases like liver cancer.
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