Diagnosing oral ulcers can be complex and requires careful examination and follow-up.
April 2017 in “Journal of Investigative Dermatology” Early and late matrix progenitors in hair follicles create different cell layers, with early ones forming the companion layer and later ones forming the inner root sheath and hair shaft.
2 citations
,
February 2025 in “Journal of Investigative Dermatology” Progenitor cells randomly decide their roles to maintain hair follicle growth.
41 citations
,
July 1994 in “Journal of Dermatological Science” Hair follicle cells need complex interactions to fully differentiate.
20 citations
,
September 2004 in “Journal of Anatomy” The inner root sheath evolved to help hair grow safely through the skin in mammals.
December 2010 in “Faculty Opinions – Post-Publication Peer Review of the Biomedical Literature” New cells join the hair's dermal papilla during the growth phase, possibly affecting hair thickness.
Cellular flows and tissue mechanics guide feather follicle formation in birds.
April 2018 in “Journal of Investigative Dermatology” Ovol2 is important for proper skin healing and hair growth.
Non-immune dermal cells dominate, epidermal cells increase after day 9, and certain immune cells persist beyond inflammation in wound-induced hair follicle regeneration.
44 citations
,
October 1990 in “Archives of Dermatological Research” The connective tissue around hair follicles changes structure throughout the hair cycle.
April 2018 in “Dermatologic Surgery”
September 2011 in “Clinical Biochemistry” Certain sugars increase in some layers of the hair follicle during the middle of the healing process in rats, which may help improve healing.
8 citations
,
November 2020 in “Nature Communications” Adult stem cells with Tp63 can form hair and skin cells when placed in new skin, showing they have hidden abilities for skin repair.
January 2014 in “Contemporary clinical dentistry” Recent dental research shows diet changes increased tooth decay, red wine reduces bacteria, and dental stem cells can regenerate dentin.
20 citations
,
February 1977 in “The anatomical record” Excess vitamin A changes skin and hair follicle development and affects polysaccharide distribution.
80 citations
,
June 2008 in “Biomaterials” EVAL membranes help create cell structures that can regrow hair follicles.
12 citations
,
September 2020 in “Stem cell research & therapy” Adult skin cell-based early-stage skin substitutes improve wound healing and hair growth in mice.
28 citations
,
August 1992 in “Differentiation” A new pair of mouse keratins, 65 kD and 48 kD, are found in specific skin areas and are linked to a unique skin differentiation type.
1 citations
,
July 2025 in “JCI Insight” Hair follicle stem cells help maintain skin health by moving to and supporting the skin's surface layers.
387 citations
,
November 2003 in “Journal of Investigative Dermatology” The K15 promoter effectively targets stem cells in the hair follicle bulge.
26 citations
,
August 2007 in “Annals of Anatomy - Anatomischer Anzeiger” Feathers become harder as they develop due to a change in keratin type.
36 citations
,
September 2013 in “PLoS ONE” Sweat gland stem cells help maintain glands, aid wound healing, and can regenerate skin structures.
29 citations
,
April 2020 in “Journal of Tissue Engineering and Regenerative Medicine” The experiment showed that human skin grown in the lab started to form early hair structures when special cell clusters were added.
November 2025 in “Journal of Investigative Dermatology” Hair follicle stem cells help maintain skin health after injury.
2 citations
,
August 2022 in “genesis” Intravital imaging advances help study bone and dental stem cells in real-time, despite technical challenges.
47 citations
,
April 1978 in “Journal of Cutaneous Pathology” Basal cell epithelioma resembles fetal hair follicles, not adult or fetal skin.
November 2022 in “Journal of Investigative Dermatology” Scientists found a new type of skin cell that could help with skin repair and these cells work better with a certain protein.
71 citations
,
January 2012 in “PloS one” The conclusion is that genetic differences affect how the cochlea heals after hair cell loss, which may challenge the creation of hearing loss treatments.
60 citations
,
November 2013 in “Development” Keratin 79 marks a new group of cells that are key for creating and repairing the hair follicle's structure.
April 2018 in “Plastic & Reconstructive Surgery Global Open” LGR6+ stem cells may improve bone healing.