While most animals reproduce sexually, some species rely solely on females for parthenogenetic reproduction. Even in these ...

This is an important and solid study that examines the role of TFAM, a protein that helps maintain mtDNA, in mtDNA mutator mice. The authors have demonstrated that TFAM's counteractive role in mtDNA ...

Dec. 18, 2024 — Scientists have generated human stem cell models which contain notochord -- a tissue in the developing embryo that acts like a navigation system, directing cells where to build ...

Cancer stem cells are rare immortal cells within a tumour that can both self-renew by dividing and give rise to many cell types that constitute the tumour, and can therefore form tumours.

This study explores the use of electrical stunning as a viable alternative to anesthetic overdose and rapid cooling for euthanizing zebrafish larvae, potentially improving the welfare of over 5 ...

Many cells in multicellular organisms are specialised. They have specific roles in the organism of which they are part. Their structure is adapted to their function. They are often grouped ...

This is called photosynthesis. The basic structure of a plant cell is shown below. Photosynthesis relies on many structures in the cell all working together, each playing its role. The diagram ...

The systematic review found that resveratrol can improve the quantity and quality of egg cells, ... Uncovering the Role of Y Chromosome Genes in Male Fertility in Mice Jan. 23, 2025 ...

Hormonal disturbance was diagnosed if histology did not correlate with the phase of menstrual ... Methylene blue is an absorptive stain that is preferentially absorbed across epithelial cell membranes ...

CD4+ T cells orchestrate the response to acute and chronic viral infections by coordinating the immune system. These cells activate multiple cells of the innate immune system, as well as B cells, ...