10 citations
,
October 2020 in “Frontiers in Cell and Developmental Biology” This review explores the cellular and molecular basis of wound-induced hair neogenesis and its relationship with aging but does not report new clinical results, highlighting areas for future research.
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.
28 citations
,
October 2019 in “Seminars in Cell & Developmental Biology” This article discusses the advances in understanding wound-induced hair follicle neogenesis (WIHN) and highlights the roles of specific signaling pathways and cellular plasticity, noting no clinical results but suggesting potential areas for further research.
47 citations
,
June 2019 in “Nature Communications” This study found that self-noncoding dsRNA activates TLR3 to stimulate intrinsic retinoic acid synthesis, promoting new hair follicle formation in wounded mice and showing similar gene expression changes in humans treated with rejuvenation lasers.
16 citations
,
March 2019 in “Experimental dermatology” This study found that injury affects the behavior of hair follicle dermal stem cells, steering them towards recruitment into the dermal papilla, a shift influenced by the hair cycle stage.
145 citations
,
November 2018 in “Nature Communications” This study found that activating the Sonic hedgehog pathway in scarring wounds can remodel the dermis to promote hair follicle regeneration, highlighting a potential new approach to enhance healing.
209 citations
,
October 2018 in “Cell Reports” This study found that Lgr5 and Lgr6 stem cells both activated wound-healing genes, but only Lgr5 stem cells changed their identity to contribute to new skin formation during wound repair.
36 citations
,
April 2018 in “Journal of Investigative Dermatology” This study found that transforming growth factor-β1 and CX3CR1 are crucial for recruiting specific macrophages essential for wound-induced hair growth in mice.
58 citations
,
December 2017 in “Journal of The European Academy of Dermatology and Venereology” This review highlights that microneedling shows some promise for improving hair growth in alopecia, particularly when used with other treatments, though more research is needed to establish its efficacy and protocols.
214 citations
,
April 2017 in “Cell” This study found that micro-niches within hair follicles create heterogeneity among stem cells and transit-amplifying cells, leading to specialized progenitors that control tissue morphogenesis and regeneration.
117 citations
,
March 2017 in “Nature Communications” This study shows that macrophage-induced TNF signaling can activate hair follicle stem cells and promote new hair follicle formation after wounding by regulating AKT/β-catenin pathways.
15 citations
,
February 2017 in “International Journal of Women's Dermatology” This review discusses various methods to conceal hair loss, such as wigs and hair transplants, and reports no new clinical results; the authors evaluate each option's pros and cons.
23 citations
,
April 2016 in “American Journal of Pathology” The research suggests that a specific skin gene can be controlled by signals within and between cells and is wrongly activated in certain skin diseases.
128 citations
,
August 2015 in “Cell Stem Cell” The researchers reported that dsRNA from damaged skin activates TLR3, promoting hair follicle regeneration, while TLR3-deficient animals fail to initiate this process, suggesting potential therapeutic approaches for hair neogenesis.
236 citations
,
April 2015 in “Cell” This study found that patterned hair plucking in mice triggers a collective regeneration response in nearby unplucked hair follicles via a quorum sensing mechanism involving immune signaling.
479 citations
,
June 2014 in “Science” This review discusses the plasticity of epithelial stem cells in regenerative contexts and reports no new research findings; the authors highlight potential implications for regenerative medicine and cancer.
394 citations
,
October 2013 in “Nature” 
237 citations
,
June 2013 in “Nature Medicine” This study found that fibroblast growth factor 9, initially secreted by γδ T cells, plays a key role in modulating hair follicle regeneration in mice after skin wounds.
68 citations
,
November 2012 in “Journal of Investigative Dermatology” This study found that PGD2 inhibits hair follicle regeneration in mice through the Gpr44 receptor, suggesting that blocking PGD2 or Gpr44 may enhance skin regeneration after wounds.
254 citations
,
January 2012 in “Nature Reviews Molecular Cell Biology” This review discusses the role of stem cell progeny as integral components of stem cell niches, offering feedback that may influence different stem cell systems' microenvironments, but it presents no new research findings.
191 citations
,
September 2011 in “Cell stem cell” This study found that polycomb-group-mediated repression plays a key role in regulating hair follicle stem cell states and lineage progression by distinct mechanisms in adult mouse skin.
235 citations
,
January 2011 in “Journal of Clinical Investigation” This study found that androgenetic alopecia may involve a defect in the conversion of hair follicle stem cells to progenitor cells, as demonstrated by a reduced presence of progenitor cells in bald scalp samples.
835 citations
,
October 2008 in “Nature Genetics” Lgr5 is a marker for active, long-lasting stem cells in mouse hair follicles.
829 citations
,
May 2007 in “Nature” Hair follicles can regrow in wounded adult mouse skin using a process like embryo development.
1279 citations
,
November 2005 in “Nature Medicine” 
12 citations
,
March 1982 in “International Journal of Women's Dermatology” This review discusses various methods to conceal hair loss, such as wigs and hair transplants, and reports no new clinical results.
521 citations
,
January 1954 in “Physiological Reviews” Hair growth is cyclic and influenced mainly by local factors.
