August 2016 in “The journal of investigative dermatology/Journal of investigative dermatology” Different types of skin cells create unique support structures that can affect skin cell growth and could help in skin repair.
49 citations
,
September 2004 in “Journal of the European Academy of Dermatology and Venereology” Careful light microscopy is crucial for detecting mild cases of pili annulati, which weakens hair and varies widely in expression.
9 citations
,
January 2011 in “American Journal of Dermatopathology” Pilomatrixoma involves abnormal hair keratin production and cell death, causing debris and cysts.
2 citations
,
November 2006 in “Pump Industry Analyst” Pilomatricomas don't follow the usual hair follicle cell differentiation process.
4 citations
,
November 1968 in “Textile research journal” Hair fibers may have a unique, non-protein sheath not previously identified.
28 citations
,
April 1988 in “Archives of Dermatological Research” 1 citations
,
January 1997 in “Dialnet (Universidad de la Rioja)” The extracellular matrix is crucial for maintaining and regulating epidermal stem cells in hair follicles.
1 citations
,
January 2004 in “Linchuang pifuke zazhi” Routine culture medium boosts cell growth, but dermal hair papilla and sheath cells produce less collagen than fibroblasts.
2 citations
,
November 2003 in “Humana Press eBooks” Hair follicle cells can help heal wounds and study skin diseases.
23 citations
,
July 1994 in “Journal of Dermatological Science” Pili torti hair twists due to uneven outer root sheath cell development.
44 citations
,
June 2009 in “Biomaterials” Skin cell clumping for hair growth is improved by a protein called fibronectin, which helps cells stick and move better.
4 citations
,
January 2017 in “Annals of Dermatology” Frequent hairdryer use may worsen hair fragility in people with Pili Annulati.
41 citations
,
January 2001 in “Journal of Investigative Dermatology” 2 citations
,
January 2002 in “Zhiwu Yanjiu” Capitate trichomes have more endoplasmic reticulum and vacuoles, while peltate trichomes have more plastids and larger subcuticular spaces.
13 citations
,
January 2012 in “International journal of trichology” The study found that hair fragility in Pili annulati may be caused by cavities and damage within the hair shafts.
January 1995 in “Skin Cancer” The outer root sheath in hair follicles changes during growth, with different keratinization processes in its layers.
3 citations
,
May 1991 in “Journal of Investigative Dermatology” 1 citations
,
January 2025 in “Advances in Wound Care” Dermal sheath cells help heal wounds by showing both skin and connective tissue traits.
3 citations
,
January 1989 in “The Nishinihon Journal of Dermatology” A hair cyst can become cancerous, showing specific keratins from the hair sheath.
25 citations
,
October 1962 in “Journal of Ultrastructure Research” The hair follicle structure is more complex than thought, with new findings on protein formation.
March 2020 in “Faculty Opinions – Post-Publication Peer Review of the Biomedical Literature” The dermal sheath's contraction is crucial for hair follicle regression and stem cell relocation.
June 2026 in “Frontiers in Cell and Developmental Biology” Dermal papilla cells are key to fine wool growth in sheep.
21 citations
,
December 2015 in “European journal of cell biology” Tight junctions create a barrier in pig hair follicles that controls what can enter the skin.
April 2024 in “UNESP Institutional Repository (São Paulo State University)” Alpaca skin has glands, hair follicles, and different collagen types.
January 2025 in “SSRN Electronic Journal” 56 citations
,
January 1977 7 citations
,
May 1995 in “The journal of investigative dermatology/Journal of investigative dermatology” 36 citations
,
December 2004 in “British Journal of Dermatology” The cyst had unusual keratin spherules and resembled bone marrow.
9 citations
,
August 2005 in “Archives of Dermatological Research” Scalp dermal papilla and fibrous sheath cells have different MMP expression than scalp dermal fibroblasts.
4 citations
,
January 2015 in “Sen'i Gakkaishi” Hair and wool strength is affected by the number and type of bonds in their protein structures, with hair having more protein aggregates than wool.