November 2023 in “The journal of investigative dermatology/Journal of investigative dermatology” In this study, mice lacking the Mcpip1 gene in their myeloid cells did not develop SCC-like tumors but instead showed increased melanocyte activity and hair loss, indicating a distinct role for myeloid Mcpip1 in skin cancer development compared to keratinocyte Mcpip1.
April 2023 in “The journal of investigative dermatology/Journal of investigative dermatology” This study found that TLR3 activation in human keratinocytes enhances exosome biosynthesis and expression of hair follicle stem cell markers, suggesting a potential mechanism for tissue regeneration.
44 citations
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June 2023 in “Cell Reports” This study investigated dermal fibroblasts in mouse skin using single-cell RNA sequencing and identified signaling pathways that influence adipogenesis, finding that IL-1-NF-κB promotes, while WNT-β-catenin inhibits, the adipogenic potential of these cells, with implications for wound healing and scar formation.
April 2016 in “Journal of Investigative Dermatology” This study suggests that hepatocyte growth factor (HGF) may play a role in hair follicle neogenesis and that an HGF mimetic could enhance skin substitute development.
66 citations
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May 2021 in “Science Advances” In this study, researchers found that electrospun membranes with aligned surface topography advanced the immune response towards an adaptive stage and highlighted the role of T cells in hair follicle regeneration in mice, showcasing the intricate interactions between immune and skin cells.
May 2026 in “BMC Medicine” This study found that ACOD1 deficiency in dermal papilla cells promotes mitochondrial dysfunction and contributes to cellular senescence in androgenetic alopecia, suggesting ACOD1 as a potential therapeutic target and 4-octyl itaconate as a promising treatment option for AGA.
January 2025 in “Dermatology Research and Practice” In this research, RNA expression analysis of scalp biopsies from lichen planopilaris patients revealed changes in specific genes after treatments with hydroxychloroquine, narrow band UVB, or low level laser light therapy, suggesting potential biomarkers and implicating M2 macrophages in the disease's immunopathogenesis.
April 2019 in “The journal of investigative dermatology/Journal of investigative dermatology” This study in mice suggests that defects in hair follicles with mesenchymal TSC2 disruption may result from an impaired TGFβ1 response, indicating a potential novel treatment approach for tuberous sclerosis complex.
April 2018 in “Journal of Investigative Dermatology” This study found that Fgf20 signaling facilitates fibroblast migration and influences dermal condensate cell development during hair follicle morphogenesis by supporting cellular activities such as cell cycle exit and specific cell shape adoption.
May 1995 in “Journal of Investigative Dermatology” Researchers developed a new way to measure gene activity in single hair follicles and found that a specific gene's activity changes with different amounts and times of treatment.
8 citations
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December 2003 in “Experimental Dermatology” In this study, injecting chimeric RNA–DNA oligonucleotides into mice skin caused a temporary mutation in keratin 17, altering hair morphology, but the mutation was transient due to genetic compensation or cell replacement.
January 2004 in “Chinese Journal of Dermatology” This study found that intradermal injection of specific oligonucleotides altered hair growth and morphology in mice by inducing a dominant mutation in the K17 gene.
4 citations
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June 2025 in “Cell Reports” In this study using the C3H/HeJ mouse model of alopecia areata, researchers found that hyperexpanded CD8+ T cell clones were sufficient to initiate disease, establishing a causal link between T cell clonality and pathogenicity.
4 citations
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February 2023 in “Stem Cell Research & Therapy” This study found that papillary dermal fibroblast progenitors in newborn mouse skin can be isolated and cultured to generate male germline cell precursors, demonstrating their potential through differentiation into cells with meiotic capability.
This study found that a cholesterol-conjugated, cell-penetrating asiRNA targeting the androgen receptor effectively reduced hair loss and promoted hair growth in mouse models of androgenetic alopecia, suggesting potential as a novel treatment.
19 citations
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September 2011 in “Journal of Dermatological Science” TGF-β1 increases androgen receptor activity in hair loss, but Hic-5/ARA55 can counter this effect.
2 citations
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June 2012 in “Journal of Dermatological Science” This study found that histidine decarboxylase is crucial for the hair-inducing ability of newborn mouse dermal cells, with its expression significantly decreasing in the first few days after birth.
November 2023 in “npj regenerative medicine” This study found that engineered reconstituted skin can form morphogenetic units that promote tissue patterning and hair regeneration, with certain signaling pathways restoring this ability in adult and fetal cells.
April 2018 in “Journal of Investigative Dermatology” This study found that elevated STAT5 levels are linked to improved hair-inducing capabilities in human dermal papilla cells, and reducing STAT5 impairs hair follicle induction.
April 2018 in “Journal of Investigative Dermatology” This study found that the loss of transcription factor Ovol2 in epidermal and hair follicle stem cells leads to migration defects, which are partially improved by deleting the EMT-inducing Zeb1.
April 2016 in “Journal of Investigative Dermatology” In this study, ALP knockdown significantly impaired the hair follicle-inducing capacity of human dermal papilla spheres, highlighting a critical role for ALP in hair follicle neogenesis.
25 citations
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June 2022 in “Developmental cell” In this study, Hedgehog signaling in dermal papilla fibroblasts was found to accelerate hair growth and induce follicle multiplication in mice via the SCUBE3/TGF-β pathway, with some effects observed in human scalp hair follicles.
October 2005 in “Faculty Opinions – Post-Publication Peer Review of the Biomedical Literature” This study found that induced TERT expression in mouse skin epithelium rapidly transitions hair growth from the resting to active phase by promoting stem cell proliferation through a non-telomere related mechanism.
1 citations
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October 2023 in “Biology” In this study, researchers observed that fasting-induced molting in laying hens led to increased thyroid hormones, which may regulate feather molting by affecting hair follicle growth through specific signaling pathways, highlighting molecular changes during induced molting.
June 2024 in “Journal of Allergy and Clinical Immunology” In this study, thymic stromal lymphopoietin (TSLP) induced IL-4/IL-13 from T cells, prompting sebum secretion and adipose loss, suggesting IL-4/IL-13 may affect skin barrier function in atopic dermatitis.
This study found that innate lymphoid cells-type 1 (ILC1) can induce alopecia areata by disrupting hair follicle immune privilege without the involvement of classical CD8+ T cells.
This study found that innate lymphoid cells-type 1 (ILC1lc) can induce alopecia areata (AA) by disrupting hair follicle immune privilege and causing hair follicle dystrophy and regression in both ex vivo and in vivo settings.
September 2025 in “bioRxiv (Cold Spring Harbor Laboratory)” In this study, DHT inhibited hair regrowth and promoted hair follicle miniaturization in mice, with skin-resident myeloid cells enhancing their interaction with hair follicular cells, especially in females.
July 2026 in “bioRxiv (Cold Spring Harbor Laboratory)” In this study, researchers observed that TCDD exposure in mice enhanced sebaceous gland differentiation and lipid production before causing seboatrophy, providing insights into the cellular events that may contribute to chloracne pathogenesis.
June 2026 in “Nature Communications” This study found that in stretch-mediated tissue expansion, fibroblasts adopt an embryonic-like, low-collagen state that enhances epidermal stem cell renewal, supporting coordinated skin expansion crucial for reconstructive surgeries.