Cells carry their own growth switches. When enough nutrients—amino acids in particular—are available, cells flip this switch ...
In many animal tissues, stem cells continually divide to create new cells that replace old or damaged ones. However, this ...
Malignant melanoma is one of the most dangerous forms of cancer. Around half of melanomas and about 7% of all other cancers ...
Every encounter between a T cell and a potential target—especially when that target is a developing tumor—begins with a rapid ...
The design of new calcium channels, built bottom-up from scratch, was reported last week in Nature. "Biochemists have been studying ion channels for decades and debating about how they work for almost ...
The enzyme RNA polymerase II transcribes genes into messenger RNA. This process is guided by modifications to the enzyme's "tail" called phosphorylation patterns. Scientists at St. Jude Children's ...
The enzyme RNA polymerase II transcribes genes into messenger RNA. This process is guided by modifications to the enzyme's "tail" called phosphorylation patterns. Scientists at St. Jude Children's ...
Regulated cell death represents a dynamic field at the intersection of molecular biology, biochemistry, and cell signaling.
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Blood vessel cells keep fixed signaling roles for weeks, reshaping view of capillary communication
The cells lining skin capillaries are constantly sending each other messages—tiny pulses of calcium that help regulate blood flow, sense physical forces and keep vessel walls intact. Scientists have ...
Mast cell biology spans immunology, inflammation, and tissue homeostasis. Traditionally viewed as principal effectors of IgE-mediated allergic reactions, ...
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