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Acquired sperm hypomethylation by gestational arsenic exposure is re-established in both the paternal and maternal genomes of post-epigenetic reprogramming embryos.
Epigenetics Chromatin
January 2025
Department of Maternal‑Fetal Biology, National Center for Child Health and Development, Tokyo, 157‑8535, Japan.
Background: DNA methylation plays a crucial role in mammalian development. While methylome changes acquired in the parental genomes are believed to be erased by epigenetic reprogramming, accumulating evidence suggests that methylome changes in sperm caused by environmental factors are involved in the disease phenotypes of the offspring. These findings imply that acquired sperm methylome changes are transferred to the embryo after epigenetic reprogramming.
View Article and Find Full Text PDFThe need for smart microalgal bioprospecting.
Nat Prod Bioprospect
January 2025
Faculty of Science, Climate Change Cluster (C3), Algal Biotechnology & Biosystems, University of Technology Sydney, Sydney, NSW, 2007, Australia.
Microalgae's adaptability and resilience to Earth's diverse environments have evolved these photosynthetic microorganisms into a biotechnological source of industrially relevant physiological functions and biometabolites. Despite this, microalgae-based industries only exploit a handful of species. This lack of biodiversity hinders the expansion of the microalgal industry.
View Article and Find Full Text PDFHuman neural rosettes secrete bioactive extracellular vesicles enriched in neuronal and glial cellular components.
Sci Rep
January 2025
Centro de Investigación en Medicina Traslacional "Severo R. Amuchástegui" (CIMETSA), Instituto Universitario de Ciencias Biomédicas de Córdoba (IUCBC), Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Av. Naciones Unidas 420, Barrio Parque Vélez Sarsfield, X5016KEJ, Córdoba, Argentina.
Extracellular vesicles (EVs) play a critical role in the development of neural cells in the central nervous system (CNS). Human neural rosettes (hNRs) are radial cell structures that assemble from induced pluripotent stem cells (hiPSCs) and recapitulate some stages of neural tube morphogenesis. Here we show that hiPSCs and hNRs secrete EVs (hiPSC-EVs and hNR-EVs) with distinctive protein cargoes.
View Article and Find Full Text PDFInverse dose protraction effects of low-LET radiation: evidence and significance.
Mutat Res Rev Mutat Res
January 2025
Radiation Epidemiology Branch, National Cancer Institute, MD 20892-9778, USA; Faculty of Health, Science and Technology, Oxford Brookes University, Headington Campus, OX3 0BP, UK.
Biological effects of ionizing radiation vary not merely with total dose but also with temporal dose distribution. Sparing dose protraction effects, in which dose protraction reduces effects of radiation have widely been accepted and generally assumed in radiation protection, particularly for stochastic effects (e.g.
View Article and Find Full Text PDFNedd4 family interacting protein 1 directly regulates the NF-κB signaling pathway without promoting the ubiquitination of Tak1 in Nile tilapia.
Fish Shellfish Immunol
January 2025
Guangzhou Key Laboratory of Subtropical Biodiversity and Biomonitoring, Guangdong Provincial Engineering Technology Research Center for Environmentally-Friendly Aquaculture, School of Life Sciences, South China Normal University, Guangzhou 510631, China. Electronic address:
Mammalian Nedd4 family interacting protein 1 (Ndfip1) serves as an activator of the E3 ubiquitin ligase, promoting ubiquitination and limiting the production of pro-inflammatory cytokines. However, the functional role of teleost Ndfip1 is not completely understood. In the current study, an Ndfip1 gene designated as OnNdfip1 was characterized in Nile tilapia.
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