128 citations
,
August 2020 in “Cell stem cell” In this study, researchers found that extrafollicular progenitors marked by Hic1 are the main contributors to reparative fibroblasts in wound repair, with potential to modulate healing outcomes through genetic and pharmacological interventions.
1 citations
,
September 2023 in “International Journal of Dermatology” In this study conducted at a tertiary dermatological clinic, researchers identified and described the clinical, dermoscopic, and histopathological features of preclinical folliculitis keloidalis, including novel dermoscopic findings such as perifollicular scale, which was associated with fibrosis.
September 2025 in “Biomolecules” This review analyzed the complex interactions within the skin microenvironment that influence hair follicle development and regeneration, exploring its role in hair-related disease treatment and highlighting research challenges and future directions.
March 2014 in “Hair transplant forum international” This article mentions an interesting case of a donor site from a previous issue, but reports no new research findings.
64 citations
,
January 2009 in “The International journal of developmental biology” This study found that intra-follicular Wnt signaling and dermal BMP signaling oscillate differently during hair cycling in mice, affecting hair wave propagation and phases of hair growth.
52 citations
,
October 2012 in “Journal of Dermatological Science” This review presents updated tables of mouse mutants with hair growth abnormalities to aid in understanding the molecular mechanisms of human hair disorders, but reports no new clinical results.
210 citations
,
July 1993 in “The journal of investigative dermatology/Journal of investigative dermatology” This review discusses the role of intrinsic skin signals, rather than serum signals, in regulating melanin synthesis and hair pigmentation, but reports no new experimental data.
May 2025 in “Preprints.org” This review discusses the dermatological potential of olive mill wastewater as a sustainable source of high-value cosmeceutical ingredients but reports no new clinical results.
3 citations
,
June 2023 in “The journal of investigative dermatology/Journal of investigative dermatology” This article discusses the clinical spectrum and pathobiology of radiotherapy-induced alopecia and reports no new research findings, highlighting potential pathways for future targeted RIA management.
8 citations
,
August 2007 in “Histopathology” This article discusses the kinetic and topographical heterogeneity in follicular thyroid neoplasms and reports no new research findings; the authors emphasize understanding diverse growth patterns.
1 citations
,
September 2016 in “Indian Journal of Plastic Surgery” This article describes a modified follicular unit extraction technique using a reverse rake scalp elevator, which may reduce follicular transection rates in hair transplantation from the lower occipital donor region.
8 citations
,
December 2021 in “International Journal of Family Studies, Food Science and Nutrition Health” This review discusses the potential health benefits and applications of extra virgin olive oil as a nutritional therapeutic immune-enhancer, but reports no new clinical findings.
92 citations
,
June 2005 in “Journal of Investigative Dermatology” This study found that the retinoid all-trans retinoic acid induced a catagen-like stage in human scalp hair follicles, suggesting upregulation of TGF-beta2 as a contributing mechanism.
27 citations
,
November 2008 in “Facial Plastic Surgery” This article outlines the technical aspects, benefits, and challenges of follicular unit extraction for hair transplantation, but it reports no new clinical findings.
19 citations
,
April 2010 in “Journal of Dermatological Treatment” This study found that partial follicular units extracted from the donor area can survive and regenerate new hairs at their original site and when transplanted, effectively creating two hair follicles from one.
18 citations
,
January 2019 in “Experimental Dermatology” This study suggests that damaged anagen hair follicles have the capability to repair themselves and resume growth by mobilizing extra-bulge epithelial cells, particularly after injuries like chemotherapy and radiotherapy.
9 citations
,
November 2018 in “Drug Discovery Today” This review discusses insights from scar-free animal models and cellular factors in skin regeneration, suggesting potential strategies for developing scar-free treatments in clinical and cosmetic practices, but reports no new clinical results.
4 citations
,
January 2005 in “Elsevier eBooks” This article discusses the key considerations and techniques necessary for successful Follicular Unit Transplantation in hair restoration surgery and reports no new clinical results.
March 2024 in “Bioimpacts” In this study, curcumin-loaded nanoparticles with a size of 400 nm showed optimal accumulation in human hair follicles after seven days, although mouse models differed significantly in penetration and retention, indicating limitations in their suitability for follicular drug delivery studies.
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.
41 citations
,
August 2013 in “Facial Plastic Surgery Clinics of North America” This article discusses the benefits, techniques, and unique considerations of follicular unit extraction for hair grafting, but reports no new clinical results.
19 citations
,
March 2003 in “Journal of Investigative Dermatology” This study found that mechlorethamine restored hair growth in mice with alopecia-areata-like disease by eliminating infiltrated lymphocytes and inhibiting certain pro-inflammatory cytokines in treated skin areas.
5 citations
,
September 2003 in “Archives of Facial Plastic Surgery” This article discusses the follicular-unit grafting technique for hair transplantation and reports no clinical results; the authors highlight its potential for achieving natural-appearing outcomes but note the procedure's complexity.
February 2018 in “Dermatologic Surgery” This study found that nonshaven follicular unit extraction is an effective method for pubic hair restoration in women with pubic atrichosis or hypotrichosis, based on high satisfaction scores from both patients and the surgeon.
64 citations
,
March 2005 in “Journal of Investigative Dermatology” This study found that brain-derived neurotrophic factor (BDNF) inhibited hair shaft elongation and induced premature catagen development in cultured human hair follicles, partially through transforming growth factor β2.
77 citations
,
April 1999 in “Dermatologic Clinics” This article reviews how new observations have revolutionized surgical hair restoration and highlights the logical applications and prior illogical judgments that delayed this advancement, without reporting new results.
47 citations
,
May 2020 in “Cardiovascular Research” This review explores how sex differences influence the pathophysiology, incidence, and treatment outcomes of ischaemic heart disease, and emphasizes the need for more sex-specific research.
32 citations
,
January 2012 in “Clinical & Developmental Immunology” In this study, rheumatoid arthritis patients showed no changes in the number of circulating follicular helper T cells, but these cells had increased CD200 expression, implicating them in disease pathogenesis and suggesting CD200/CD200R as a potential therapeutic target.
27 citations
,
June 2017 in “International Journal of Dermatology” This study found that acne keloidalis nuchae was associated with pseudofolliculitis barbae, chronic scalp folliculitis, and aspects of the metabolic syndrome, particularly hypertension, in the examined population.
10 citations
,
June 2005 in “The journal of investigative dermatology/Journal of investigative dermatology” This study identified FP-1 as a highly specific extracellular matrix protein in follicular papilla cells, which may play a role in hair growth regulation during specific hair cycle phases.