This research suggests that plucked hair follicles may serve as a reliable surrogate tissue for tumor biopsies in drug development, based on a mouse model linking hair and tumor pharmacodynamic responses.
January 1998 in “Lasers in Surgery and Medicine” This study found that both 5-ALA and Photofrin can effectively destroy human microvascular endothelial cells in vitro and cause tissue necrosis in vivo, with Photofrin showing greater efficacy at lower concentrations or power densities.
October 2025 in “Dermatology Practical & Conceptual” This study found that ChatGPT 4.0 and Gemini 1.5 Flash provided more accurate and user-friendly responses to androgenetic alopecia questions than Deepseek R1, suggesting they could be effective tools for patient education with physician guidance.
April 2018 in “D-Scholarship@Pitt (University of Pittsburgh)” This study found that keratin-75, discovered in enamel tissue, is secreted by ameloblasts using an unconventional pathway involving the ER-Golgi-Intermediate-Compartment and Golgi, differing from typical cytokeratin localization.
June 2002 in “Seminars in Cutaneous Medicine and Surgery” Using a microscope during hair transplants cuts damage to follicles in half and could improve hair growth.
August 2001 in “Dermatologic Surgery” This study found that using the KNU implanter for follicular unit transplantation resulted in a high survival rate of 92% at 6 months, regardless of whether one-hair or two-hair units were used.
July 2021 in “Medical journal, Armed Forces India” This study reported that using platelet-rich plasma as an intraoperative holding solution significantly improved hair density and follicular growth in hair restoration surgery for androgenetic alopecia.
This thesis reviews the psychological and social challenges faced by men and women with androgenetic alopecia who seek treatment, but reports no new results.
551 citations
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November 2013 in “Nature” This study found that differentiated airway epithelial cells can revert into functional stem cells in vivo, suggesting a more general role for this dedifferentiation process in tissue regeneration in higher vertebrates.
316 citations
,
June 2004 in “The journal of investigative dermatology/Journal of investigative dermatology” This study found that using a standardized protocol with microspheres of approximately 1.5 micrometers enhances penetration into hair follicles, particularly when skin is treated with cyanoacrylate skin surface stripping.
262 citations
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May 2017 in “Nanomedicine” This review examines recent advancements in electrospun nanofibers for wound healing applications, but reports no new experimental results, highlighting their potential in sutures, dressings, and skin regeneration.
245 citations
,
January 1998 in “Genes & Development” This study found that Hoxc13 mutations in mice cause defects in hair, nail, and tongue structures, with the most noticeable issue being brittle hair leading to alopecia.
131 citations
,
March 2004 in “The American journal of pathology” This study found that modulating BMP activity in transgenic mice affects the development and characteristics of several ectodermal organs, such as skin, hair, and claws, highlighting a stage-dependent influence on organogenesis.
115 citations
,
August 2008 in “The Journal of Clinical Endocrinology & Metabolism” In this study, T3 and T4 were found to directly influence human hair follicles in vitro, enhancing keratinocyte proliferation, prolonging the hair growth phase, and affecting pigmentation.
101 citations
,
July 2021 in “Nature Communications” This study reported that 4D-printed, aliphatic polycarbonate-based scaffolds supported adipose tissue engineering by allowing adipocyte infiltration and neovascularization in vivo, indicating potential for effective adipose tissue repair.
88 citations
,
October 2020 in “Open Forum Infectious Diseases” This study discusses hair loss as a potential late-onset symptom of COVID-19 recovery, with androgenic alopecia and telogen effluvium suggested as possible causes, but provides no new clinical results.
88 citations
,
July 2008 in “Development” This study shows that BMP2 and BMP7 play complex, necessary roles in feather development by regulating dermal condensation formation, with BMP7 acting early as a chemoattractant and BMP2 halting cell migration.
87 citations
,
August 2017 in “Scientific Reports” This study found that PCL-based nanofiber scaffolds enhanced cell proliferation and extracellular matrix deposition, suggesting they show promise as a cell delivery system for improving skin wound healing.
86 citations
,
July 1993 in “Drugs” Finasteride treats enlarged prostate, shrinks it, improves urination, but may cause sexual dysfunction and isn't for women or children.
75 citations
,
March 2014 in “Journal of Investigative Dermatology” This study found that aging mice experience slower and more fragmented hair cycle waves, but transplanting aged skin to a young host can partially restore hair cycling, implicating extracellular factors.
56 citations
,
December 2011 in “The Plant Journal” AGD1 is important for root hair development in Arabidopsis, working with phosphoinositide signaling and the actin cytoskeleton.
50 citations
,
March 2011 in “European Journal of Endocrinology” This study found that spironolactone treatment can normalize endothelial function and improve cholesterol levels in non-obese patients with polycystic ovary syndrome.
46 citations
,
August 2019 in “Journal of Ethnopharmacology” This review compiles current information about Eclipta prostrata, traditional uses, and its promising pharmacological properties, like hepatoprotective and anti-inflammatory effects, but emphasizes that more research is needed to fully understand its mechanisms and ensure safety for clinical application.
44 citations
,
February 2012 in “The journal of neuroscience/The Journal of neuroscience” This study observed that Ptprq mutant mice exhibit significant abnormalities in hair bundle structure and vestibular dysfunction, suggesting similar issues may contribute to hearing loss and vestibular problems in humans with PTPRQ mutations.
40 citations
,
November 2016 in “Molecules” This review discusses the historical and current use of ribosome-inactivating protein-expressing plants in traditional medicine across various cultures and regions, highlighting their role despite a lack of scientific validation.
40 citations
,
April 1999 in “Drugs” This study concluded that finasteride is a viable first-line treatment for moderate uncomplicated benign prostatic hyperplasia, particularly in patients with larger prostates, by significantly reducing acute urinary retention and the need for surgery.
39 citations
,
November 1987 in “Clinica Chimica Acta” Human platelets change minoxidil to minoxidil sulfate, helping blood vessels widen.
39 citations
,
October 2013 in “Plastic and Reconstructive Surgery” In this study, researchers found that intestine-derived human alpha defensin 5 enhances wound healing, reduces bacterial load, and promotes hair growth in murine burn wound beds by increasing LGR stem cell migration.
38 citations
,
December 2019 in “Iranian Biomedical Journal” This study found that hair follicle stem cells could enhance burn wound healing and improve tissue tensile strength in rats.
30 citations
,
April 2017 in “Journal of structural biology” This study suggests that human keratin fiber matrix has a well-defined nano-scale grainy structure rather than being amorphous, with grain size influenced by chemical treatments, temperature, humidity, and follicle-level factors.