Metastasis, or cancer spreading, is complex and still largely mysterious. As a tumor grows, it interacts constantly with the surrounding environment, including blood vessels, signaling molecules, and ...

Macrophages are increased in pancreatic islets of Langerhans after delivery. Pancreatic beta cells (β-cells) reside in a cluster of cells in the pancreas known as the islets of Langerhans. Pancreatic ...

Pregnancy brings a rise in pancreatic beta cells -- the cells that produce insulin. Shortly after birth, these cells return to their normal levels. The mechanisms behind this process had remained a ...

(Santa Barbara, Calif.) — The body has a veritable army constantly on guard to keep us safe from microscopic threats from infections to cancer. Chief among this force is the macrophage, a white blood ...

Scientists at Nagoya University in Japan studied what happens when macrophages—a type of immune cell—encounter dying cancer cells in tumors and discovered a mechanism that accelerates tumor growth.

Phagocytosis, the biological process that destroys foreign particles and removes dead cells from circulation, represents a fundamental function of the immune system. Facilitated by immune cells called ...

Parents tell their children to eat all the food on their plate, down to the last crumb. Certain cells within our lymph nodes, like obedient children, diligently follow this instruction. Although these ...