Most people have heard of stem cells. They are often described as "miracle" cells –ones that can grow into any other type of cell in our bodies, promising revolutionary medical treatments. However, ...

Type 1 diabetes is an autoimmune disease in which the immune system mistakenly attacks the cells that produce insulin—a critical hormone that regulates blood sugar in the body. Scientists at Scripps ...

Tuberculosis (TB) is an infectious disease that occurs in the lung, caused by bacteria. It is spread through the air and is preventable and even curable. However, it is still a serious illness that ...

Bone marrow is the spongy tissue located within the hollow center of bones, serving as the primary site for the continuous ...

The immune cell repertoire is composed of many different cell types that are orchestrated in response to infection and other pathogens that enter the body. As a result, the body can defend itself ...

The human small intestine absorbs nutrients while protecting us from potentially harmful microbes. One of the cell types that plays a key role in this protection is the microfold cell (M cell). These ...

How do stem cells know what to become? Nearly three decades after scientists isolated the first human embryonic stem cells, researchers are still working hard to understand precisely how a single, ...

How does our nervous system operate so quickly and efficiently? The answer lies in a membranous structure called myelin. Aa Aa Aa All our activities — eating, walking, talking — are controlled by our ...

In the tiny, beaded chain of the cyanobacterium Anabaena sp. ATCC 33047, two different cells, the photosynthetic factory worker and the nitrogen-fixing specialist, play distinct and powerful roles in ...