This research observed that hairless guinea pig dermal fibroblasts were more sensitive to a toxic exposure than human dermal fibroblasts, suggesting that guinea pigs might serve as an intermediate model for translating in vitro findings to whole organisms.
7 citations
,
December 2016 in “Journal of The Taiwan Institute of Chemical Engineers” This study found that porcine platelet-rich plasma can be a commercially viable replacement for fetal bovine serum with similar effectiveness in promoting human hair follicle cell growth.
16 citations
,
May 2000 in “Endocrinology” This study identified a new gene, mrp4, in mice, which suggests it may have a unique role in the growth and development of hair follicles in the ears and tails.
1 citations
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September 2025 in “Cureus” In this study, the ChatGPT-5 model accurately answered 76.47% of questions on the Polish endocrinology specialty exam, surpassing the 60% passing threshold, yet its role in clinical decision-making remains uncertain, highlighting the need for further research.
May 2026 in “Research Square” This research reports that the polyG fragment within the Hoxc13 protein alters its gene regulatory functions, which could have influenced mammalian hair evolution by affecting pathways related to hair follicle development.
12 citations
,
April 2019 in “Scientific Reports” This study found that HMGB1 enhanced hair growth by stimulating PGE2 production in human dermal papilla cells, suggesting a potential therapeutic target for alopecia treatment.
205 citations
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March 2012 in “Science Translational Medicine” PGD2 stops hair growth and is higher in bald men with AGA.
1 citations
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August 2024 in “Pharmaceuticals” This study found that goat placenta extract, when combined with PEGylated liposomes and microspicule gel, significantly promoted hair regrowth in patients experiencing hair loss due to chemotherapy by enhancing hair cell proliferation without causing skin irritation over a 12-week application period.
July 2026 in “Scientific Data” In this study, researchers analyzed dermal papilla cells from cashmere goats and identified 3,857 differentially expressed genes associated with hair growth phases, follicle types, and sex, providing a foundational resource for future efforts to improve cashmere quality and yield.
January 2020 in “Archivio Istituzionale della Ricerca (Universita Degli Studi Di Milano)” This study found that Polycomb Repressive Complex 1 is crucial for maintaining stem cell identity across different lineages, but its loss results in varied transcriptional outcomes depending on the tissue context.
January 2026 in “Applied Sciences” In this study, cyclic ADP-ribose (cADPR) treatment in human hair follicle dermal papilla cells was associated with increased intracellular calcium retention and activated anagen-related signaling without causing significant cytotoxicity, indicating its potential impact on hair growth processes.
January 2024 in “Biomaterials Research” This study found that human hair follicle dermal papilla cells cultivated as 3D spheroids in hexanoyl glycol chitosan-coated dishes formed hair-like structures, with minoxidil enhancing growth, and successfully integrated into artificial skin models, suggesting advancements for hair loss treatments and skin restoration therapies.
7 citations
,
October 1992 in “PubMed” This study investigated peptidergic nerve fibers in sinus hair follicles of various mammals and found that CGRP fibers were more densely distributed than SP fibers across different regions of the follicles.
17 citations
,
February 2018 in “Journal of Investigative Dermatology” This study found that the PPAR-γ modulator N-acetyl-GED may enhance mitochondrial function in human hair follicles, particularly in outer root sheath keratinocytes.
57 citations
,
July 2000 in “Toxicology Letters” This study found that the K6/ODC transgenic mouse model is highly sensitive to identifying genotoxic carcinogens, showing 100% concordance with traditional rodent bioassays.
16 citations
,
January 2017 in “Physical chemistry chemical physics/PCCP. Physical chemistry chemical physics” This study presents computational modeling and experimental analysis of the HGT protein KAP8.1, identifying key structural features that may influence hair's response to environmental conditions.
September 2017 in “The journal of investigative dermatology/Journal of investigative dermatology” This study found that N-acetyl-GED may protect and partially rescue human hair follicles from experimentally-induced epithelial-mesenchymal transition ex vivo, suggesting its potential in treating scarring alopecias like lichen planopilaris.
2 citations
,
January 2014 in “Photochemical & photobiological sciences” This study suggests that the Grasp protein may play a role in regulating skin homeostasis following UVB exposure by influencing p53-mediated apoptotic responses in mice.
7 citations
,
January 1971 in “Archives of Dermatological Research”
January 2022 in “bioRxiv (Cold Spring Harbor Laboratory)” This study found that inhibiting the gp130 Y814 signaling module promotes tissue regeneration and may prevent pathological outcomes after injury in animal models.
April 2023 in “Experimental Dermatology” This study found that a single intradermal injection of human dermal papilla cells increased hair follicle number and thickness in pigs, suggesting potential effectiveness for hair growth in humans.
February 2026 in “Chemical Engineering Journal” This study found that a novel nano-engineered platform, PCA, significantly promoted hair regeneration in an androgenetic alopecia mouse model by enhancing angiogenesis and hair follicle stem cell proliferation, showing promise for future hair regrowth treatments.
8 citations
,
July 2018 in “European Journal of Dermatology” A medication may help with hair growth in psoriasis, and a skin condition might be linked to a specific bacteria.
January 2009 in “China Practical Medicine” This study found that several genes, including capping protein, palladin, VEGF, and HSPC-related clones, might cooperatively influence the aggregation, proliferation, and cycle control of dermal papilla cells, potentially affecting hair follicle behavior.
April 2026 in “Frontiers in Cell and Developmental Biology” This review summarizes the role of G-protein-coupled receptors in wound healing and reports no new clinical results, highlighting their importance in signaling pathways and recent discoveries in their functions.
December 2019 in “Reproduction Fertility and Development” This study found that mouse embryonic fibroblasts better supported the growth and maintenance of LGR5+ epidermal stem cells compared to porcine fetal fibroblasts, under various culture conditions.
4 citations
,
June 2021 in “Journal of Microbiology and Biotechnology” This study found that ginsenoside Rg4 enhanced hair-inductive properties of dermal papilla cells via the AKT/GSK3β/β-catenin pathway, suggesting its potential as a natural therapy for hair growth.
20 citations
,
March 2013 in “Journal of Lipid Research” This study examined the structural and biochemical mechanisms of human lipocalin prostaglandin D synthase, detailing substrate and product binding processes at the catalytic site and suggesting potential for drug delivery targeting hydrophobic molecules.
9 citations
,
July 2016 in “Genes” This study identified specific genetic variants as the cause of visual impairment and non-syndromic alopecia in two brothers, reinforcing the link between PDE6H variants and achromatopsia and LPAR6 variants and alopecia.
This study found that the Arabidopsis cation chloride cotransporter CCC1 is critical for regulating pH in the trans-Golgi network/early endosome, impacting plant growth and stress response.