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This study suggests that minoxidil is a potent stimulator of elastin expression in embryonic skin fibroblasts, primarily affecting elastin mRNA levels, without impacting cell proliferation during the stationary phase.

This study found that boehmite accelerates hair regrowth by promoting human dermal papilla cell proliferation and enhancing signaling pathways involved in the hair follicle cycle.

This study found that low-level laser stimulation activates the Wnt signaling pathway, promoting hair follicle stem cell regeneration and accelerating wound healing.

This study found that Lophocereus marginatus extracts significantly inhibited melanoma cell growth in vitro and stimulated hair growth in mice, with combined treatments of LM with minoxidil or bergamot showing notable effects by day 14 without altering body weight.

In this study, researchers found that fermented ginsenoside from kimchi-derived bacteria enhanced hair growth in a mouse model and increased hair cell proliferation by 25% in vitro, suggesting potential as a therapeutic candidate for promoting hair growth.

This study reports that Hair RiseTM microemulsion, made from plant extracts, significantly enhanced hair follicle cell growth and improved hair growth signaling pathways, suggesting it as a plant-based alternative for androgenetic alopecia treatment.

This study designed a micromold template for creating controlled-sized, multicellular tumor spheroids, finding that HEK-293 cells formed consistent spheroids with high circularity and viability after 7 days, influenced by cell seeding density and treatment conditions.

This study found that DKK1 and WNT10b are paracrine factors that modulate hair follicle stem cell differentiation inhibition, contributing to androgenetic alopecia by affecting Wnt signaling in androgen-sensitive dermal papilla cells after dihydrotestosterone stimulation.

In this study, melatonin administration enhanced various cellular and structural features of the scrotal skin in Soay rams, including increased thickness, cell count, and gland activity.

This study found that a hair tonic containing 10% mesenchymal stem cell secretome significantly increased hair density in volunteers with alopecia after eight weeks, suggesting its potential as an effective treatment option for hair growth stimulation.

This study demonstrated that caffeine, minoxidil, and the HIF-1α-stimulating agent deferiprone significantly enhanced dermal papilla cell proliferation in a 3D culture model, suggesting deferiprone as a potential alternative to minoxidil.

In this study, researchers found that exosomes derived from dermal papilla cells can enhance hair follicle regeneration during wound healing in nude mice by promoting fibroblast activation and stimulating the Wnt/β-catenin signaling pathway, suggesting their potential as a therapeutic strategy for regenerative skin healing.

This study suggests that the water fraction of Chrysanthemum zawadskii extract promotes hair growth by inducing telogen hair follicles in mice to enter the anagen phase and stimulating cell differentiation.

In this study involving rat vibrissa follicles, U. japonica extract was found to enhance hair growth by increasing dermal papilla cell proliferation and accelerating the anagen phase but did not inhibit 5α-reductase activity, which is linked to androgenetic alopecia.

This study found that 18-β-Glycyrrhetinic acid, a licorice component, stimulated human hair follicle cell proliferation, inhibited testosterone 5α-reductase, and suppressed TGF-β1, suggesting potential for treating androgenetic alopecia by promoting hair growth and prolonging the anagen phase.

This study found that insulin-like growth factor-I and hepatocyte growth factor increased the chemotactic migration of human hair outer root sheath cells, suggesting these factors have both growth stimulatory and chemotactic effects.

This study found that Sophora flavescens extract promoted hair growth in mice by advancing the hair cycle and may inhibit acne-causing bacteria, though it did not affect in vitro hair follicle cell growth.

This research found that a novel dehydroepiandrosterone derivative (12) significantly reduces cell viability and increases apoptosis in testosterone-stimulated normal and tumor prostate cells, unlike finasteride and dutasteride, which also showed activity under dihydrotestosterone stimulation.

In this study, Min pigs were found to have unique characteristics for secondary hair growth compared to Berkshire and Yorkshire pigs, with the Wnt and BMP signaling pathways stimulating follicle stem cell activity and promoting secondary hair growth and gene expression.

This study identified candidate compounds from a natural-product library that may interact with the PIEZO1 and MLCK pathways, potentially countering a non-androgen cause of hair follicle miniaturization, all based on computer simulations; experimental validation is necessary.

This study found that mice lacking the CXCR2 receptor regenerated tissue scarlessly in various injury models and that administering plasma or G-CSF from these mice to wild-type mice also reduced scarring, suggesting potential therapeutic strategies to improve human skin wound healing.

This study found cell-specific variations in POMC mRNA and peptide expression in murine skin, suggesting that PC1 and PC2 convertases contribute to differential POMC processing.

This study found that dietary yeast cell wall supplementation in broiler chickens increased certain immune responses compared to antibiotic treatments following immunization with sheep red blood cells.

This study found that stimulating olfactory receptor OR2AT4 in human hair follicles with Sandalore® may slow catagen development and reduce keratinocyte apoptosis, suggesting potential implications for hair growth management.

This study found that phosphatidic acid promotes hair growth by stimulating cell proliferation and protecting against apoptosis in murine hair epithelial cells, unlike lysophosphatidic acid, which showed limited effects.

This study found that keratinocyte stem/progenitor cell-conditioned medium significantly enhanced hair growth in mice and increased the proliferation of human hair follicle cells.

This study found that in an ex vivo model simulating alopecia areata, the DHODH inhibitor farudodstat reduced T-cell proliferation and MHC protein expression in hair follicles, suggesting it may protect against immune privilege collapse without cytotoxic effects.

This study found that activin A significantly enhances wound healing by stimulating granulation tissue formation and re-epithelialization in mice, and suggests potential in developing treatments for stroke and brain trauma.

This study observed that Endoglin is crucial for maintaining correct hair follicle cycling and stimulating hair follicle stem cell niches through feedback interactions involving Wnt/β-catenin and Bmp/Smad signaling pathways in a mouse model.

Results are not reported in this abstract, which raises the question of whether caffeine has a stimulating effect on hair growth both in laboratory settings and live subjects.