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 ...

Shape changes of epithelia during animal development, such as convergent extension, are achieved through the concerted mechanical activity of individual cells. While much is known about the ...

Dec. 16, 2024 — Researchers have uncovered unexpected diversity in the genetic processes that determine the sex of the African clawed frog, a significant discovery in what was already one of the ...

Mammary stem cells are multipotent adult stem cells that reside in the mammary gland, can self-renew by dividing and can differentiate into all specialised mammary epithelial cells. Mammary stem ...

You're reading Part 6 of Coercive Care, a yearlong examination of the denial of reproductive autonomy for people with sickle cell disease. As a small child, Pat Wells just thought she had a bad back.

Regulatory T (T Reg) cells are essential for maintaining peripheral tolerance, preventing autoimmunity and limiting chronic inflammatory diseases. However, they also limit beneficial responses by ...

CD4 T helper cells are a type of white blood cell called a lymphocyte that serves an important role in your immune system. These cells help defend the body against infection by directing other "killer ...

IDF dismantles underground 7.5 km terror tunnel in Gaza, finds equipment seized by Hamas on Oct. 7 ...

A study of more than 26,000 white dwarf stars has confirmed a long-predicted but elusive effect in these ultra-dense, dying stars: Hotter white dwarfs are slightly puffier than cooler ones, even when ...

Nikki A. Levin, MD, PhD, is an Assistant Professor of Medicine, Division of Dermatology, University of Massachusetts Medical School, Worcester, MA. Note: The author reported no actual or potential ...