Hair follicle stem cells, which promote hair growth, can prolong their life by switching their metabolic state. In experiments conducted with mice, a research group active in Helsinki and Cologne, Germany, has demonstrated that a protein called Rictor holds a key role in the process.
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The study was published in the Cell Metabolism journal.
Mechanisms that regulate stem cells
Ultraviolet radiation and other environmental factors damage our skin and other tissues every day, with the body continuously removing and renewing the damaged tissue. On average, humans shed daily 500 million cells and a quantity of hairs weighing a total of 1.5 grams.
The dead material is replaced by specialised stem cells that promote tissue growth. Tissue function is dependent on the activity and health of these stem cells, as impaired activity results in the ageing of the tissues.
“Although the critical role of stem cells in ageing is established, little
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By Chiara Battelli MD, President & Lead Physician at New England Cancer Specialists
A cancer diagnosis can change many things about our lives. As patients move forward with their doctor to examine treatment options, one of the major concerns they express is hair loss associated with chemotherapy. Unfortunately, it is hard to predict who will lose their hair even though it is a common and significant side effect of cytotoxic chemotherapy. Studies have shown that hair loss during cancer treatment can lead to lower self-esteem and feelings of depression, ultimately causing up to 10% of patients to forego chemotherapy.
Chemotherapy drugs damage hair follicles in a variety of ways: some drugs cause hair thinning or hair loss only on the scalp, while others can cause hair to thin or fall out on the arms, legs, underarms, eyebrows, or eyelashes. If a person is going to lose hair during treatment, it
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- The 20-year-old woman succumbed to injuries from a go-karting incident
- The woman’s parents have blamed the go-karting organizers’ negligence for the incident
- Management claimed that it happened after she removed her helmet to click selfies
In an unfortunate incident, a 20-year-old woman died after her hair got entangled in a go-kart wheels in the southern Indian city of Hyderabad on Wednesday.
The woman, identified as Sri Varshini, had gone go-karting with her friends at an amusement park in the city when the incident took place. The woman, who was an engineering student, was rushed to a local hospital where she succumbed to injuries the following day.
Speaking to local website The News Minute Thursday, police officer Mahender Reddy said, “It was this morning that a written complaint was filed at the Meerpet police station. The woman was wearing a helmet but it seems like it came off midway