Results 291 to 300 of about 141,257 (371)

Investigation of DNA Damage and Apoptosis in Bovine Ocular Squamous Cell Carcinoma

open access: yesVeterinary Medicine and Science, Volume 11, Issue 4, July 2025.
This is the first study to report an increase in double‐stranded DNA breaks in BOSCC, an important tumoural disease of cattle. In this study, where an increase in DNA oxidation was also shown, we determined that apoptotic defence reactions were reduced, contributing to the pathogenesis.
Muhammet Bahaeddin Dörtbudak   +1 more
wiley   +1 more source

Inactivation of Histone Chaperone HIRA Unmasks a Link Between Normal Embryonic Development of Melanoblasts and Maintenance of Adult Melanocyte Stem Cells

open access: yesAging Cell, Volume 24, Issue 7, July 2025.
Expression of HIRA in embryonic melanoblasts is required for proper epigenetic programing and lineage differentiation. Although HIRA deficiency results in a mild phenotype at birth and young adulthood, the melanocytic lineage is sensitive to proliferative challenge, prone to loss of stem cells and dramatically accelerated hair greying in later life ...
Farah Jaber‐Hijazi   +20 more
wiley   +1 more source

Consecutive low-frequency shifts in A/T content denote nucleosome positions across microeukaryotes. [PDF]

open access: yesiScience
Mondo SJ   +17 more
europepmc   +1 more source

Insights Into Cockayne Syndrome Type B: What Underlies Its Pathogenesis?

open access: yesAging Cell, Volume 24, Issue 7, July 2025.
Cockayne Syndrome complementation group B (CS‐B) is a highly debilitating progeroid syndrome that often culminates in the death of patients before adulthood. This review explores the pathogenesis of CS‐B and proposes that a combination of DNA damage accumulation, transcriptional dysregulation, and mitochondrial dysfunction is its underlying cause ...
Ricardo Afonso‐Reis   +3 more
wiley   +1 more source

Native nucleosomes intrinsically encode genome organization principles. [PDF]

open access: yesNature
Park S   +14 more
europepmc   +1 more source

Pathological significance of intranuclear structures in liver biopsy samples

open access: yesHepatology Research, Volume 55, Issue 7, Page 1065-1074, July 2025.
Schematic representation of the potential significance of three distinct nuclear structures. Glycogenated nuclei reflects excessive glycogen accumulation in the hepatocytes. Nucleoplasmic lipid droplets form in the nucleus during hepatocyte injury. Cytoplasmic lipid droplets in the nucleoplasmic reticulum are suppressed when there is excessive fat ...
Norihiro Imai   +15 more
wiley   +1 more source

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