For example, naïve T cells increase in size before undergoing a burst of proliferation, while liver and fat cells enlarge or contract in response to nutrient availability. In these cases, size changes ...

Mitochondrial DNA (mtDNA) exhibits a degree of resistance to mutagenesis under genotoxic stress, and this study on the mitochondrial Transcription Factor A (TFAM) presents valuable data concerning the ...

The proportion of cell-free DNA (cfDNA) derived from tumor cells in the plasma of patients with cancer is typically less than 2%. To overcome this limitation, methods have been developed to better ...

The plant cell wall is a complex matrix of linked polysaccharides such as cellulose and pectin, forming a thick semi-permeable rigid barrier outside the plasma membrane. It physically protects and ...