Researchers from Japan and France have successfully reconstituted the development of mouse egg cells, known as oocytes, from ...

Proteins are the infinitely varied chemicals that make cells work, and science has a pretty good idea how they are made. But a critical aspect underlying the machinery of protein manufacture has long ...

The secret to cellular youth may depend on keeping the nucleolus—a condensed structure inside the nucleus of a cell—small, according to Weill Cornell Medicine investigators. The findings were ...

The images show the inside of the cell nucleus at an 8-cell stage (left) and at a later stage (right). Chromosome 19 is shown in red whereas the nucleolus containing the gene-silencing machinery ...

During embryonic development, thousands of cells divide and move collectively to sculpt the main body axes. Understanding the mechanisms that coordinate this collective behavior remains a ...

Spinal-Cord Injury Victim First to Undergo Embryonic Stem-Cell Therapy. T.J. Atchinson is first person with a spinal cord injury to undergo procedure. By ABC News. June 2, 2011, 10:35 AM.

I n the early stages of human embryonic development, a zygote divides into two identical totipotent cells that eventually become eight cells. 1 Cell fate decisions begin to differentiate this ...

VATICAN CITY, Oct 11 (Reuters) - Pope Benedict appealed to scientists on Thursday to stop using human embryos in stem cell research, saying it violated "the dignity of human life".