Medical research

Lymphatic system found to play key role in hair regeneration

Given the amount of wear and tear it's subjected to on a daily basis, the skin has a phenomenal ability to replenish itself. Spread throughout it are small reservoirs of stem cells, nested within supportive microenvironments ...

Genetics

Potential genetic markers of multiple sclerosis severity

In a bid to determine factors linked to the most debilitating forms of multiple sclerosis (MS), Johns Hopkins Medicine researchers say they have identified three so-called "complement system" genes that appear to play a role ...

Medical research

The role of Klumpfuss in intestinal cell differentiation

Stem cells are essential for homeostasis and cell renewal in organs like skin, lung or intestine. During the course of life, their function decreases steadily, making this decline a main factor for the development of age-associated ...

Medical research

Outer hair cells regulate ear's sensitivity to sound

The ear's tiny outer hair cells adjust the sensitivity of neighbouring inner hair cells to sound levels rather than acting like an amplifier, suggests a new study published today in eLife.

Overweight & Obesity

New study shows why people gain weight as they get older

Many people struggle to keep their weight in check as they get older. Now, new research at Karolinska Institutet in Sweden has uncovered why that is: Lipid turnover in the fat tissue decreases during aging and makes it easier ...

Neuroscience

Pinpointing how cells regulate long-lasting memories

The brain has a knack for safekeeping our most treasured memories, from a first kiss to a child's birth. In a new study in mouse cells, Columbia neuroscientists have mapped some of the molecular machinery that helps the brain ...

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