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The engineered heart completely matches the immunological, cellular, biochemical and anatomical properties of the patient.

An analysis of the cancer and immune cells in breast cancer has found that aggressive tumors are often dominated by a single type of tumor cell. If certain immune cells are present as well, an immune therapy could be successful for a specific group of breast cancer patients.

Key proteins produced in bacteria and insects can promote or inhibit ice formation, based on their length and ability to team up to form large ice-binding surfaces.

Using a mouse model, a new central role for growth hormone has been identified in the regulation of energy conservation following a period of weight loss.

The cucumber is among the top five vegetable crops grown in the world. Cucumbers are most commonly eaten fresh or preserved as pickles. An important attribute of the cucumber is fruit length.

Maintaining a healthy body weight is no simple matter. A better understanding of how the body regulates appetite could help tip the scale toward the healthy side. Contributing toward this goal, a research team reports that the gene SRC-1 affects body weight control by regulating the function of neurons in the hypothalamus - the appetite center of the brain.

Cell-by-cell genetic analyses of developing brain tissues in neonatal mice and laboratory models of brain cancer allowed scientists to discover a molecular driver of the highly aggressive, deadly, and treatment-resistant brain cancer, glioblastoma.

Researchers have developed a mouse model to investigate whether persistent CD30 signaling leads to the development of blood cancers.

The discovery of a unique subset of stem cells is expected to open a new channel of research aimed at better understanding cell development and the growth of cancerous tumors.

An imaging technique could make it possible to peer inside cells and watch dozens of different molecules in action at once -- by labeling them with short strands of light-up DNA that blink on and off with their own unique rhythm.