Sentences with phrase «follicle cells as»

Doctors diagnosed the problem as alopecia areata, a genetically determined autoimmune disease in which the body's T cells identify hair - follicle cells as foreign invaders and try to destroy them.

Not exact matches

Nishimura's team proposes that the same process leads to the reduction in stem cells in the follicles of older people, especially as DNA damage accumulates as we age.

Prof. Jean - Christophe Marine (VIB - KU Leuven): «Unexpectedly, this ability to divide and contribute to melanoma development contrasted with the activities of other cell populations, such as melanocyte stem cells found in hair follicles, for instance.

As a result, the follicle, which contains the ovarian cells and the egg, gets bigger, estrogen levels rise, and the egg matures.

Therefore, they not only kill cancer cells but also are toxic to other rapidly proliferating cells such as those in hair follicles and bone marrow.

The study revealed that growth factors — especially one known as growth differentiation factor 9 — coming from the eggs drove the feeding tube multiplication and growth process, acting directly upon the genetic machinery of the follicle cells surrounding the egg.

Still, by identifying the human hairless gene as an important master switch in regulating cell death in a hair follicle — a discovery that could lead to gene therapies for unwanted hair growth — Christiano emerged as a new star in the field, and a glamorous one.

What's more, they identified Cas as a critical, tissue - specific target of Hh signaling, which not only plays a key role in maintaining follicle stem cells but also assists in the diversification of their progeny.

That ovarian tissue bears clusters of cells known as primordial follicles, which surround immature precursors to egg cells.

However, these poisons can also do significant harm to other dividing cells such as those found in the stomach lining and in hair and nail follicles, as well as the blood and immune stem cells in the bone marrow.

«By analyzing mice with the WNT10A mutation, as well as tissues from human patients with WNT10A mutations, we found that WNT10A regulates the proliferation, but not the maintenance, of stem cells in hair follicles,» said Sarah Millar, PhD, vice chair for Basic Research in the Department of Dermatology.

First, imaging experiments revealed that Tregs have a close relationship with the stem cells that reside within hair follicles and allow them to regenerate: the number of active Tregs clustering around follicle stem cells typically swells by three-fold as follicles enter the growth phase of their regular cycle of rest and regeneration.

Moreover, the stressed mice's gray hairs and the cell populations in their follicles were indistinguishable from those of elderly mice, suggesting that genotoxic stress might drive natural graying as well.

ICOS gets antibody production started by promoting the maturation of Tfh cells, which migrate into compartments or follicles of immune organs such as spleens and lymph nodes, which themselves are full of B cells.

In the late 1980s, Albertini's group began to focus on a group of satellite cells that surround the oocyte as it begins to grow and mature in the follicle.

It was thought that the body repairs wounds such as bed sores and burns by generating new skin cells from hair follicles or the skin at the edges of the wound — the same way that other animals do.

He hopes the cancer - targeting nanorobots will steer clear of other rapidly dividing cells, such as those in the gut and at hair follicles, which often suffer collateral damage during chemotherapy.

First, a hair follicle contains epithelial cells — a cell type that lines the body's vessels and cavities — as well as a specific kind of adult stem cell called dermal papillae.

Given this, it shouldn't come as a surprise that if these stem cells are destroyed, so is the hair follicle (Ohyama et al., 2006; Ohyama 2007).

These five types of stem cells are described in the Discovery database as a general dental pulp stem cell population, which includes the following stem cell types: dental pulp stem cell (DPSCs), stem cells from exfoliated deciduous teeth (SHED), periodontal ligament stem cells (PDLSCs), stem cells from apical papilla (SCAP), and dental follicle progenitor cells (DFPCs).

This approach also kills dividing non-cancerous cells, such as those within hair follicles and lining the digestive system, causing discomfort and illness.

To help nourish the hair follicle and stimulate hair cell renewal, chow down on brown rice and oily fish such as salmon or tuna.

Since fasting (and low carb diets) lowers insulin and insulin impacts rapidly dividing cells (such as in cancer)-- wouldn't such regimes possibly cause hair loss as hair follicles are rapidly dividing cells?

Because hair is made up of cells, growth hormone and another hormone it stimulates — insulin growth factor 1, contribute to the formation of each new hair follicle as it forms.

More oil = more opportunity for dead skin cells get backed up in the follicle create what we know as clogged pores & turn into pimples etc..

The hair shaft develops as new cells form around the follicle, push up and die.

During this process, the many cells surrounding the egg, known collectively as the follicle, replicate.

First described in 1842 by Gustav Simon, a French dermatologist, Demodex mites are normal skin inhabitants of many mammals, and > 140 species of Demodex have been identified (2 in humans, 3 in dogs).1 The mites live in hair follicles as well as the sebaceous glands and ducts and feed off of sebum, cells, and debris from the epidermis.2, 3 In dogs, the mites are passed from the bitch to her puppies through close contact while nursing.

The tumor cells show minimal organisation into the local specialized skin structures (such as hair follicles and their glands).

In the other half of primary hypothyroid cases, a specific cause of thyroid gland damage can not be found; these cases are known as idiopathic follicular atrophy in which the hormone - producing cells (follicles) of the thyroid gland waste away (or atrophy) for an unknown (i.e. idiopathic) reason.