54 citations
,
June 1990 in “Journal of The American Academy of Dermatology” HIV can cause various severe or unusual skin conditions that help indicate the presence and stage of the disease.
35 citations
,
March 2007 in “Skin Research and Technology” The conclusion is that exogen is a unique hair cycle phase and the new sampling method specifically targets this stage, which may help in future hair loss research.
April 2017 in “The FASEB Journal” Eating more vitamin A changes hair growth-related proteins in mice, affecting hair cycle stages.
13 citations
,
September 2018 in “Scientific Reports” The research found that a complex gene network, controlled by microRNAs, is important for hair growth in cashmere goats.
7 citations
,
August 2020 in “Genes” Different genes are active in dogs' hair growth and skin, similar to humans, which helps understand dog skin and hair diseases and can relate to human conditions.
1 citations
,
May 2013 in “PubMed” The document concludes that female pattern baldness involves hair thinning, is classified differently than in men, and is assessed using the Ludwig classification. It also explains the hair growth cycle stages.
October 2024 in “Journal of Cutaneous Pathology” Compound follicles in folliculitis decalvans mainly have active hair follicles.
April 2012 in “Informa Healthcare eBooks” Tight hairstyles can cause temporary or permanent hair loss, with less hair seen under a microscope in later stages.
July 2025 in “Clinical and Experimental Dermatology” Hair loss (telogen effluvium) happens before male pattern baldness.
161 citations
,
June 1994 in “The journal of investigative dermatology/Journal of investigative dermatology” Hair stops producing melanin as it transitions from the growth phase to the resting phase.
30 citations
,
November 2012 in “Anais Brasileiros De Dermatologia” Diagnosing diffuse alopecia, a hair loss condition, can be challenging and may require a scalp biopsy or tracking the disease's progression when symptoms and skin tests aren't enough.
April 2012 in “Informa Healthcare eBooks” Telogen effluvium is a common hair loss condition where many hairs enter the resting phase, often not noticeable until significant loss occurs, and treatment focuses on the underlying cause.
May 2012 in “Faculty Opinions – Post-Publication Peer Review of the Biomedical Literature” A simple method using the wash test and dermatoscopy can help differentiate between two hair loss conditions, androgenetic alopecia and chronic telogen effluvium.
21 citations
,
November 2011 in “Veterinary Pathology” Mouse skin color ranges from pink to black, depending on their hair growth cycle.
9 citations
,
September 2013 in “Journal of histochemistry and cytochemistry/The journal of histochemistry and cytochemistry” Matriptase is highly active in hair follicles and sebaceous glands, especially during hair growth phases.
1 citations
,
August 1978 in “Dicp-The annals of pharmacotherapy” A liquid protein diet caused hair loss in a young woman.
January 2019 in “SAGE Open Medical Case Reports” A scalp biopsy revealed systemic amyloidosis in a woman who initially seemed to have a common hair loss condition.
July 2017 in “The American Journal of Cosmetic Surgery” A patient's hair loss after a browlift surgery improved on its own over 8 months.
45 citations
,
January 2010 in “Forensic science international” Neonatal hair can help determine drug exposure during pregnancy.
21 citations
,
June 2004 in “Experimental Dermatology” Ber‐EP4 marks cells related to the secondary hair germ in hair follicles.
1 citations
,
January 2022 in “Journal of Cutaneous Medicine and Surgery” Poor nutrition is linked to increased hair loss in Canadian children.
September 2025 in “Journal of Cutaneous Medicine and Surgery”
35 citations
,
November 2010 in “Journal of Cutaneous Pathology” Dilated follicular infundibula and increased catagen/telogen follicles are key indicators for diagnosing alopecia areata.
31 citations
,
June 2021 in “Biomedicine & Pharmacotherapy” Liposomal honokiol helps hair regrowth by activating certain pathways and reducing specific proteins.
28 citations
,
August 2018 in “BMC genomics” DNA methylation changes are linked to hair growth cycles in goats.
January 2023 in “Kafkas üniversitesi veteriner fakültesi dergisi/Kafkas üniversitesi veteriner fakültesi dergisi” Seasonal changes affect gene activity linked to hair growth in Angora goats.
August 2012 in “Faculty Opinions – Post-Publication Peer Review of the Biomedical Literature” FGF18 controls hair cycle rest and growth phases.
14 citations
,
May 2020 in “Archiv für Tierzucht” Researchers identified genes that may affect hair growth in Cashmere goats.
6 citations
,
November 2010 in “Histochemistry and cell biology” The proteins transthyretin and megalin are more present in the growth phase of hair, suggesting they might affect hair health and growth.
December 2023 in “Animals” The study mapped yak skin cells to understand hair growth better.