They found hematopoietic stem cells (HSCs) in human lung tissue that make red blood cells, as well as megakaryocytes, which produce the platelets that form blood clots. The findings appear Feb. 27 ...

This happens because the abnormal blood cells overtake your bone marrow, where they break down and are replaced with scar tissue. Too much scar tissue can prevent your bone marrow from doing its ...

They found hematopoietic stem cells (HSCs) in human lung tissue that make red blood cells, as well as megakaryocytes, which produce the platelets that form blood clots. The findings appear Feb. 27 ...

They reveal that blood vessels function as "gatekeepers" regulating stem cell activity and immune responses within surrounding tissues -- a role that extends far beyond simply transporting blood.

“These changes show that high blood pressure alone, even without diabetes, can begin to harm the kidneys,” said lead ...

So, they obtained donated samples of lung, bone marrow and blood, and compared what they found in each tissue. Screening a golf-ball-sized volume of lung tissue, the scientists found stem cells in ...