Therapeutic Potential of Stem Cell-Derived Exosomes in Hair Regeneration: A Systematic Review

This study found that decorin treatment significantly enhances dermal papilla cell proliferation, promoting hair follicle growth by influencing the SMAD3/TGF-β signaling pathway through exosomal miR-129–2-3p, which may aid in novel strategies for treating hair disorders and enhancing wool production.

This research found that exosome-derived long non-coding RNA AC010789.1, modified by FTO and hnRNPA2B1, enhanced human hair follicle stem cell proliferation against androgenic alopecia through the activation of S100A8/Wnt/β-catenin signaling pathways.

This study investigated using baricitinib-loaded mesenchymal stem cell exosomes injected locally in an alopecia areata mouse model and found that this method improved hair regrowth better than baricitinib or exosomes alone, potentially offering a new therapeutic approach for treating alopecia areata.

This study found that umbilical cord mesenchymal stem cell-derived exosomes improved hair growth in mice with androgenetic alopecia by promoting hair follicle stem cell stemness through the RAS/ERK pathway, suggesting a potential new treatment strategy for this condition.

This review explores the mechanisms, techniques, and clinical applications of microneedling, highlighting its advantages and challenges in skin rejuvenation, and discusses future innovations in the field as it continues to evolve.

This study found that extracellular vesicles derived from hyaluronic acid-stimulated induced pluripotent stem cells significantly improved hair growth in a model of androgenetic alopecia in mice by enhancing Wnt/β-catenin signaling and regulating androgen receptor activity, showing comparable results to the commonly used treatment finasteride.

This study found that treating patients with androgenetic alopecia using exosomes from adipose tissue stem cells over 24 weeks significantly increased hair density and patient satisfaction without severe adverse effects, suggesting a promising alternative treatment for hair loss.

This study highlights that the incidence and mental health impact of alopecia areata is higher among non-White ethnic groups, emphasizing the need for targeted healthcare for those at greatest risk.

In a study using an AGA mouse model, researchers observed that a novel topical gel combining hybrid extracellular vesicles, gold nanoparticles, and finasteride accelerated hair regrowth and improved hair quality more effectively than conventional minoxidil treatment, presenting a promising option with fewer side effects.

This study investigates the potential of umbilical cord mesenchymal stem cells exosome (UCMSC-Exos) to promote hair growth, focusing on its mechanisms of action, though specific results are not reported.

This study found that dermal papilla cell-derived exosomes promote hair follicle regeneration during wound healing by enhancing fibroblast activity and activating the Wnt/β-catenin signaling pathway in mice.

In a mouse model of androgenetic alopecia, this study found that a novel hydrogel containing minoxidil-incorporated engineered exosomes (Gel@MNs) enhanced hair regeneration more effectively than conventional minoxidil, increasing hair follicle number and size while reducing skin irritation.

This case study suggests that rose stem cell-derived exosomes, administered via noninvasive electroporation, may promote hair regeneration in androgenetic alopecia; larger studies are needed to confirm these findings.

This review discusses the potential of exosome-based therapies in dermatology, highlighting their ability to treat conditions like alopecia and accelerate wound healing, though further research is needed to understand long-term safety and develop standardized clinical protocols.

This review summarizes recent advancements in using exosomes for promoting hair growth, finding that exosomes from various cells, like dermal papilla and mesenchymal stem cells, show promise as a potential new treatment route for alopecia.

This review highlights the potential of exosomes as a novel therapeutic approach for skin diseases and aging, due to their stability, transportability, and ability to carry various bioactive compounds to target cells.

This article provides a detailed analysis of exosome therapy as a novel treatment for hair loss, discussing its potential benefits, limitations, and the importance of standardized research reporting as human research remains limited.

This study found that modifying adipose-derived stem cells to overexpress the adhesion protein JAM-A increased the adhesion and resilience of dermal papilla cells in the context of androgenic alopecia, potentially facilitating hair regrowth despite challenges such as damage from dihydrotestosterone and macrophages.

In this study, iPSC-derived epidermal organoids demonstrated potential as a novel tool for regenerative medicine by producing high-performance extracellular vesicles that promote proliferation, migration, and angiogenesis in cell-free therapies for wound healing.

This review highlights the potential of exosomes, particularly their microRNA components, as promising candidates for developing effective hair loss treatments by exploring their roles in hair follicle development and regeneration.

In this study, researchers found that exosomes derived from dermal sheath cup cells (Exo DSCCs) improved proliferation, viability, and migration while reducing apoptosis in senescent dermal papilla cells, also enhancing hair follicle reconstruction and suggesting a potential strategy for combating senile alopecia.

This study investigated the effects of exosomes from human umbilical cord mesenchymal stem cells on hair loss in mice with alopecia areata, emphasizing the potential of these easily isolated and stored exosomes for research and clinical treatment.

This study observed that in a mouse model of androgenetic alopecia, treatments with LTF, 5% minoxidil, and LTF-DPC-EXO significantly promoted hair regeneration compared to the model group, potentially through modulation of the PI3K/AKT signaling pathway.

In this study, the researchers developed a novasome vesicle carrying bovine placenta extract, which demonstrated superior hair growth effects in rats compared to traditional minoxidil and PE-loaded liposomes, and showed good stability and physical characteristics over 90 days at 4°C.

This study found that exosomes from adipose mesenchymal stromal cells, particularly those carrying miR-122-5p, may enhance hair follicle regeneration in androgenic alopecia by targeting the TGF-β/SMAD3 axis.

This review highlights the significant negative impact of alopecia areata on quality of life, mental health, and work, calling for individualized approaches and effective treatments to mitigate these effects.

This study reported that bio-pulsed avian-derived mesenchymal stem cell extracellular vesicles significantly improved cell proliferation, wound healing, and gene expression in human skin fibroblasts and hair follicle cells.

This review discusses the role of the Wnt/β-catenin pathway in hair follicle development and how natural products that activate this signaling could be used to treat hair loss, but it reports no new experimental results.

This review highlights that androgenetic alopecia significantly impacts psychological well-being and quality of life, emphasizing the need for integrated psychological support alongside dermatological treatment.

This study reports that patients with alopecia areata in the US incur significantly higher healthcare utilization and expenses, primarily driven by ambulatory and pharmacy costs, compared to matched controls.

This study found that exosomes derived from bovine colostrum promoted hair growth in mice by activating the Wnt/β-catenin pathway, with effects similar to minoxidil but without adverse effects.

This study found that early passage dermal papilla cell-derived extracellular vesicles, combined with specialized medium, helped adipose-derived stem cells develop dermal papilla-like properties.

This review reports that clinical studies generally showed favorable results for microneedling as an adjunct therapy for androgenic alopecia and alopecia areata, despite the low quality of existing data.

This review discusses treatment options for androgenetic alopecia, highlighting the need for personalized, evidence-based approaches but reports no new clinical results.

This review discusses the psychological impacts of androgenetic alopecia on body image and the importance of addressing these issues in hair transplantation patients, without reporting new clinical findings.

This meta-analysis reported that finasteride 1 mg/day significantly increased hair count in male androgenetic alopecia compared to placebo, but highlighted persistent sexual side effects and associated depression risk.

This study found that adipose-derived stem cell exosomes promoted hair follicle regeneration in mice, resulting in a higher number of regenerated hairs and follicles compared to the control group.

In this study, quercitrin was reported to promote hair growth and cell viability in cultured human dermal papilla cells by enhancing cellular energy metabolism and growth factor production via MAPK/CREB signaling.

Dermal exosomes with miR-218-5p boost hair growth by controlling β-catenin signaling.

This study concluded that oral minoxidil is an effective and well-tolerated alternative to topical minoxidil for healthy patients struggling with application-related compliance issues.

This study found that applying HHORSC exosomes may enhance the hair inductivity of dermal papilla cells, potentially improving treatments for hair loss.

This review discusses pharmacologic and non-pharmacologic treatments for androgenetic alopecia, noting that current medications like finasteride and minoxidil can slow hair loss but only partially restore hair growth, with early treatment offering better outcomes.

This study demonstrated that OSA hydrogels enhanced the stability and retention of dermal papilla-derived extracellular vesicles, which significantly improved hair regeneration in both cultured human hair and a mouse depilation model.

This study found that MDSC exosomes promoted partial hair regrowth and modulated immune responses in mice with alopecia areata, suggesting potential as a treatment for autoimmune diseases.

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.

This study found that treatment with mesenchymal stem cell extracellular vesicles enhanced hair growth in mice and stimulated dermal papilla cell activity and growth factor production in vitro.

This study found that proteins secreted by early-passage dermal papilla cells, including SDF1, MMP3, biglycan, and LTBP1, may play significant roles in hair follicle regeneration.

This paper reviews the literature on acquired trichorrhexis nodosa, a clinical hair loss diagnosis associated with hair care practices, particularly in those with tightly curled hair, and emphasizes management through protective hair care regimens rather than traditional prescription therapies.

This study found that platelet-rich plasma injections significantly increased hair count and density in patients with male pattern hair loss without major side effects, suggesting it may be a safe and effective treatment option.

In this study, Astragaloside IV was found to inhibit apoptosis-related pathways in hair follicles of mice, suggesting it may serve as an alternative therapy for hair loss.

This study suggests that stress negatively affects hair growth by inducing inflammation and early hair cycle transitions in mice, which might inform strategies for managing stress-related hair loss in humans.

This article reviews the mechanisms by which minoxidil stimulates hair growth and reports no new clinical findings.

This study found that procyanidin oligomers, particularly dimers and trimers, significantly promoted hair growth in mice and hair epithelial cell cultures, suggesting potential use as hair growth agents.

This study found that oral finasteride 1 mg/day promotes hair growth and prevents further hair loss in a significant proportion of men with male pattern hair loss over two years.

This study found that proanthocyanidins from grape seeds significantly promote hair follicle cell proliferation and hair cycle transition in mice, suggesting their potential as hair growth agents.