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Caenorhabditis Elegans as a Model for Environmental Epigenetics.
Curr Environ Health Rep
January 2025
Institute for Society and Genetics, University of California, Boyer Hall, Room 332, 611 Charles E Young Dr E., UCLA, Los Angeles, CA, 90095, USA.
Purpose Of Review: The burgeoning field of environmental epigenetics has revealed the malleability of the epigenome and uncovered numerous instances of its sensitivity to environmental influences; however, pinpointing specific mechanisms that tie together environmental triggers, epigenetic pathways, and organismal responses has proven difficult. This article describes how Caenorhabditis elegans can fill this gap, serving as a useful model for the discovery of molecular epigenetic mechanisms that are conserved in humans.
Recent Findings: Recent results show that environmental stressors such as methylmercury, arsenite, starvation, heat, bacterial infection, and mitochondrial inhibitors can all have profound effects on the epigenome, with some insults showing epigenetic and organismal effects for multiple generations.
Helminth extracellular vesicles co-opt host monocytes to drive T cell anergy.
J Extracell Vesicles
January 2025
Department of Clinical Medicine, Aarhus University, Aarhus, Denmark.
Parasitic helminths secrete extracellular vesicles (EVs) into their host tissues to modulate immune responses, but the underlying mechanisms are poorly understood. We demonstrate that Ascaris EVs are efficiently internalised by monocytes in human peripheral blood mononuclear cells and increase the percentage of classical monocytes. Furthermore, EV treatment of monocytes induced a novel anti-inflammatory phenotype characterised by CD14, CD16, CC chemokine receptor 2 (CCR2) and programmed death-ligand 1 (PD-L1) cells.
View Article and Find Full Text PDFCharacterization of a chitinase from Trichinella spiralis and its immunomodulatory effects on allergic airway inflammation in mice.
Parasit Vectors
January 2025
School of Basic Medicine Science, Fujian Province, Putian University, Key Laboratory of Translational Tumor Medicine in , Putian City, 351100, Fujian Province, China.
Background: A fundamental tenet of the hygiene theory is the inverse association between helminth infections and the emergence of immune-mediated diseases. Research has been done to clarify the processes by which helminth-derived molecules can inhibit immunological disorders. This study aimed to evaluate the ability of Trichinella spiralis chitinase (Ts-chit) to ameliorate the symptoms of allergic airway inflammation.
View Article and Find Full Text PDFAlbendazole-ivermectin co-formulation for the treatment of Trichuris trichiura and other soil-transmitted helminths: a randomised phase 2/3 trial.
Lancet Infect Dis
January 2025
Barcelona Institute for Global Health, Barcelona, Spain; International Health Department, Hospital Clinic de Barcelona, Barcelona, Spain; Universitat de Barcelona, Barcelona, Spain. Electronic address:
Background: Treatments for soil-transmitted helminthiases face challenges, especially in addressing Trichuris trichiura. Combination regimens, particularly of ivermectin and albendazole, are promising. We aimed to assess the safety, efficacy, and palatability of a combination tablet for the treatment of T trichiura, hookworm, and Strongyloides stercoralis infections among school-aged children in Ethiopia, Kenya, and Mozambique.
View Article and Find Full Text PDFUnraveling the microRNAs Involved in Fasciolosis: Master Regulators of the Host-Parasite Crosstalk.
Int J Mol Sci
December 2024
Departamento de Anatomía y Anatomía Patológica Comparadas y Toxicología, UIC Zoonosis y Enfermedades Emergentes (ENZOEM), Universidad de Córdoba, Campus de Rabanales, Edificio Sanidad Animal, 14071 Córdoba, Spain.
Fasciolosis is a neglected tropical disease caused by helminth parasites of the genus spp., including () and (), being a major zoonotic problem of human and animal health. Its control with antihelminthics is becoming ineffective due to the increase in parasite resistance.
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