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.
31 citations
,
October 2018 in “Frontiers in Cell and Developmental Biology” The conclusion is that CD90 is not a specific marker for fibroblast subtypes and better methods are needed to identify them.
159 citations
,
September 2018 in “Journal of Investigative Dermatology” This study identified two cell surface markers, FAP and CD90, that distinguish between papillary and reticular fibroblasts in human skin, suggesting distinct functions and distribution in dermal layers.
126 citations
,
August 2018 in “Molecular Systems Biology” This study found that in murine dermis, fibroblast state switching between proliferation and ECM deposition plays a crucial role in tissue architecture and wound healing.
225 citations
,
April 2018 in “Journal of Investigative Dermatology” Two main types of fibroblasts with unique functions and additional subtypes were identified in human skin.
124 citations
,
February 2018 in “Nature Reviews Genetics” This review covers recent findings on stem cell plasticity under normal and cancerous conditions but presents no new experimental results, highlighting implications for regenerative medicine and cancer treatments.
418 citations
,
January 2018 in “Journal of Investigative Dermatology” This study identified at least four distinct fibroblast populations in adult human skin, each with unique functional properties, suggesting potential therapeutic applications for wound healing and fibrosis-related diseases.
149 citations
,
July 2017 in “PLoS Biology” This study found that hair follicle patterning in development may arise from a combination of epidermal prepattern signals and mesenchymal self-organisation, with fibroblast growth factor and bone morphogenetic protein activities playing key roles.
85 citations
,
June 2017 in “Journal of Investigative Dermatology” This study found that Blimp1 plays a key role in promoting hair follicle morphogenesis and growth by mediating inductive signaling pathways in dermal papilla cells.
37 citations
,
June 2017 in “Journal of Investigative Dermatology” This study suggests that the interaction between CXXC5 and Dishevelled is a potential target for promoting hair regrowth and hair follicle formation, offering a new approach to treat hair loss.
143 citations
,
May 2017 in “Nature cell biology” This study found that the transcription factor Gata6 regulates the sebaceous duct lineage identity and plays a crucial role in epidermal wound healing by enabling dedifferentiation and broader lineage capabilities in post-mitotic cells.
408 citations
,
January 2017 in “Science” This study found that hair follicles in mice and humans can convert wound-related myofibroblasts into adipocytes, suggesting a potential pathway to reduce scar formation by activating BMP signaling.
75 citations
,
October 2016 in “Genes & Development” This study found that Sonic Hedgehog secreted by hair follicle transit-amplifying cells is essential for dermal adipogenesis and hair follicle growth by acting on adipocyte precursors.
33 citations
,
September 2016 in “British journal of dermatology/British journal of dermatology, Supplement” This study found that human hair follicle dermal cells, specifically dermal sheath cells, can serve as an alternative and potentially superior cell source for constructing the dermal component of bioengineered skin in both in vitro and in vivo settings.
23 citations
,
June 2016 in “FEBS Journal” The study found that up-regulating β-catenin signaling in CD 133-positive dermal papilla cells enhanced their ability to promote hair follicle regeneration both in vitro and in vivo.
132 citations
,
June 2016 in “Cell and Tissue Research” This review discusses recent advancements in scar reduction techniques, highlighting promising therapeutic targets and the role of Wnt/β-catenin signaling in promoting scarless wound healing, but reports no new clinical results.
115 citations
,
February 2016 in “Nature Communications” The authors concluded that the dermal response to epidermal Wnt/β-catenin signaling depends on distinct fibroblast lineages, with each responding to different paracrine signals such as Hedgehog and TGF-β.
118 citations
,
January 2016 in “Current Topics in Developmental Biology” This essay discusses the establishment, maintenance, and role of skin stem cells in tissue homeostasis, wound repair, and their relation to skin cancer, without reporting new experimental findings.
32 citations
,
August 2015 in “Journal of Investigative Dermatology” In this study using a mouse model, Prom1+ dermal papilla cells were found to regulate the size of the papilla via β-catenin communication but did not aid in dermal repair.
173 citations
,
August 2015 in “Developmental cell” This study characterizes gene expression patterns in embryonic hair follicle progenitors and their niche, identifying signaling pathways like axon guidance that may drive cellular rearrangements for hair follicle formation.
184 citations
,
November 2014 in “Developmental Cell” This study identifies a bipotent stem cell in adult hair follicles that self-renews and contributes to dermal sheath and papilla cell populations, potentially aiding hair regrowth after injury, disease, or aging.
426 citations
,
August 2014 in “Nature Medicine” This narrative review examines the interactions between skin stem cells and their niches, finding new insights from advancements in genetic and imaging tools but reporting no new experimental results.
96 citations
,
July 2014 in “Cold Spring Harbor Perspectives in Medicine” This review discusses various stem cell compartments in adult murine and human epidermis, examining their expressed markers and characterization assays, and reports no new experimental results.
218 citations
,
May 2014 in “Experimental Dermatology” This review explores the evolution and development of skin-associated adipose tissue and proposes new nomenclature for the cells and adipose tissue underlying the reticular dermis, without reporting clinical results.
77 citations
,
March 2014 in “Cold Spring Harbor Perspectives in Medicine” This research abstract provides no results, focusing on the equal contributions of the authors in the field of molecular, cellular, and developmental biology from Yale University.
57 citations
,
January 2014 in “Cold Spring Harbor Perspectives in Medicine” Skin stem cells maintain and repair the outer layer of skin, with some types being essential for healing wounds.
1235 citations
,
December 2013 in “Nature” This study found that skin fibroblasts in mice arise from two distinct lineages which contribute differently to dermal structure and repair, impacting hair follicle formation during wound healing.
256 citations
,
October 2013 in “Proceedings of the National Academy of Sciences of the United States of America” This study found that altering cell culture conditions to form three-dimensional papilla spheroids can restore the ability of human dermal papilla cells to induce hair growth in adult skin.
51 citations
,
August 2013 in “Journal of Investigative Dermatology” This study demonstrated that cultured human dermal papilla cells can induce full hair follicle formation when combined with neonatal foreskin keratinocytes in a grafted dermal-epidermal construct on mice.
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.
211 citations
,
April 2013 in “Development” In this study, researchers found that the number of dermal papilla cells in hair follicles determines hair size and shape in mice, suggesting potential avenues for addressing hair loss.
238 citations
,
March 2013 in “Development” This study found that adipocytes play a crucial role in skin wound healing by facilitating fibroblast recruitment and dermal reconstruction during the healing process.
144 citations
,
September 2012 in “Genes & development” This study found that aging in the epidermis disrupts cytokine balance and stem cell function, which may contribute to broader tumor-suppressive mechanisms.
300 citations
,
August 2012 in “Seminars in Cell & Developmental Biology” This review discusses mesenchymal–epithelial interactions in hair follicle development and cycling, highlighting recent insights without reporting new experimental results.
107 citations
,
August 2012 in “Seminars in Cell & Developmental Biology” This review discusses the role of signaling networks in sebaceous gland development and disorders, highlighting recent insights from mouse models and cell line studies, but reports no new experimental results.
305 citations
,
June 2012 in “Nature” This study reports that hair regeneration in live mice involves spatially regulated stem cell divisions and requires mesenchymal interactions, observed in real-time using a novel non-invasive imaging method.
24 citations
,
April 2012 in “Developmental Biology” This animal study found that dermal papilla cells in hair follicles of chimeric mice can originate from various fibroblasts in the skin, challenging assumptions about their specific lineage.
207 citations
,
March 2012 in “Development” In this mouse study, researchers found that dermal Wnt signaling/β-catenin activity is essential for fibroblast proliferation and initiating hair follicle formation by interacting with epidermal Wnt ligands.
128 citations
,
October 2011 in “Development” This study found that adult mouse dermis can be reprogrammed by epidermal cues to resemble neonatal dermis, with changes in fibroblast proliferation and extracellular matrix composition.
499 citations
,
September 2011 in “Cell” This study found that intradermal adipocyte lineage cells in mice are necessary and sufficient to activate follicular stem cells, highlighting their role in regulating skin stem cell activity.
396 citations
,
May 2011 in “Cell stem cell” This study found that Shh from neurons signals to Gli1-expressing cells in the hair follicle, cultivating a niche where these bulge cells can potentially transform into epidermal stem cells in wound healing.
55 citations
,
March 2010 in “Aging” This study found that circadian clock genes are involved in regulating the hair growth cycle, suggesting a connection between daily rhythms and the longer hair follicle cycling process.
338 citations
,
July 2009 in “Development” This study demonstrates that Sox2-positive dermal papilla cells specify particular hair follicle types by showing heterogeneity in gene expression and pathway activation in these cells.
1039 citations
,
February 2009 in “Nature Reviews Molecular Cell Biology” This review discusses the reuse of molecular mechanisms involved in embryonic skin development for maintaining adult epidermal homeostasis and reports no new results.
170 citations
,
November 2007 in “The journal of investigative dermatology/Journal of investigative dermatology” This study found that in the absence of hair follicles, cutaneous wounds in mice showed delayed reepithelialization but eventually achieved normal wound closure after expanding the activated epidermis region.
829 citations
,
May 2007 in “Nature” Hair follicles can regrow in wounded adult mouse skin using a process like embryo development.
788 citations
,
February 2007 in “Nature” This review explores how adult skin epithelia preserve stem cell populations for hair follicle regeneration and wound healing, but reports no new experimental results.
92 citations
,
November 2006 in “Proceedings of the National Academy of Sciences of the United States of America” This study found that transgenic mice overexpressing the BMP antagonist noggin showed increased hair follicle size and altered hair type, linked to changes in cell proliferation and gene expression.
375 citations
,
February 2006 in “Journal of Cell Science” This article reviews the stages and regulation of the hair cycle, highlighting molecular regulators involved, but it does not present new research findings.
38 citations
,
November 2005 in “The journal of investigative dermatology. Symposium proceedings/The Journal of investigative dermatology symposium proceedings” This article reviews the anatomical complexity and developmental aspects of hair follicles for analyzing abnormalities, but reports no new clinical findings.
1279 citations
,
November 2005 in “Nature Medicine” 
417 citations
,
September 2005 in “PLoS biology” This study developed molecular signatures for dermal papilla cells and their niche, uncovering novel signaling regulators and genes linked to hair disorders, which may inform future hair development research.
335 citations
,
March 2004 in “Development” This study found that continuous β-catenin signaling in adult mouse epidermis can reprogram hair follicles to form benign tumors, which regress after the signaling is discontinued.
158 citations
,
May 2003 in “Journal of Investigative Dermatology” This study observed that hair follicle mesenchyme in mice exhibits significant plasticity during the hair cycle, with cell migration and changes in papilla size impacting hair production.
211 citations
,
October 2001 in “The FASEB Journal” This study found that the BMP antagonist noggin induces hair growth in postnatal skin by neutralizing BMP4's inhibitory activity, potentially mediated by changes in Shh expression.
13 citations
,
November 1959 in “Annals of the New York Academy of Sciences” Human hair follicles can grow back.
