8 citations
,
May 2025 in “Dermatology and Therapy” This review discusses the use of topical and intralesional corticosteroids for treating alopecia areata, highlighting their efficacy and safety but noting recurrence and pain as limitations; no new clinical results are reported.
November 2024 in “Stem Cell Research & Therapy” This study found that human umbilical cord mesenchymal stem cells (hUCMSCs) promoted hair regeneration in androgenetic alopecia model mice by activating Wnt/β-catenin signaling, enhancing hair follicle stem cell proliferation, and reducing dermal papilla cell apoptosis.
August 2024 in “International Journal of Molecular Sciences” In this animal study, researchers found that local administration of mesenchymal stem cell therapy improved hair regrowth and reduced local inflammatory cytokines in mice with Alopecia Areata, although systemic cytokine levels were unchanged.
45 citations
,
May 2024 in “International Journal of Molecular Sciences” This manuscript reviews the latest understanding of alopecia areata's pathogenesis, highlighting the roles of genetic, immunological, and environmental factors, with a focus on immune responses involving IFN-γ and cytotoxic CD8+ T-cells as key contributors to hair follicle inflammation and function disruption without follicle destruction.
November 2023 in “Cell Biology International” 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.
49 citations
,
October 2023 in “Journal of Dermatological Science” 
3 citations
,
May 2023 in “Clinical drug investigation” This study reviewed the safety of JAK inhibitors for alopecia areata, finding that common side effects included headache and acne, with varying risks for respiratory infections and no increased risk of serious adverse events.
This review suggests that stem cells might be a promising addition or alternative to standard treatments for androgenic alopecia, but larger studies are needed to confirm these findings.
104 citations
,
January 2023 in “Journal of Clinical Medicine” This review evaluates the hair cycle's phases and the factors influencing the transition between anagen and telogen, advocating for a holistic approach to addressing hair loss, though no specific results are reported.
1 citations
,
October 2022 in “International Journal of Molecular Sciences” This study suggests that allogenic human mesenchymal stem cell treatments have potential therapeutic effects by inducing immune tolerance and anti-inflammatory effects in severe alopecia areata patients.
2 citations
,
October 2022 in “Journal of Biomedical Science” This review discusses the potential of secretome derived from stem cells for treating alopecia areata and reports no new clinical results; the authors suggest the need for further human trials.
4 citations
,
March 2022 in “Pharmaceutics” This review explores regenerative treatment options for non-scarring alopecia, with a focus on the potential of mesenchymal stem cells for hair regrowth, but it reports no new clinical results.
290 citations
,
August 2021 in “Clinical Reviews in Allergy & Immunology” JAK inhibitors show promise for treating alopecia areata, but more research is needed.
14 citations
,
June 2021 in “Archives of Dermatological Research” In this study, researchers evaluated the use of adipocyte-derived stem cell conditioned media combined with fractional laser or microneedling for treating refractory alopecia areata, finding that 64.3% of patients had significant hair regrowth, suggesting this combination may be an effective and safe treatment option.
6 citations
,
February 2021 in “Advances in Clinical and Experimental Medicine” In this study, patients with alopecia areata received a single intradermal injection of Wharton's jelly-derived mesenchymal stem cells, resulting in an average hair regrowth of 67% at treated sites within 24 weeks, demonstrating both efficacy and safety without side effects.
134 citations
,
July 2020 in “Experimental dermatology” This review discusses immune privilege in anagen hair follicles and its collapse in alopecia areata, emphasizing the importance of restoring this function for effective management and disease relapse prevention.
32 citations
,
May 2020 in “European Journal of Pharmacology” This review discusses the potential of stem cell-based therapies, particularly involving stem cell-derived conditioned medium and exosomes, for hair regeneration in nonscarring alopecia, but it reports no new clinical outcomes.
55 citations
,
October 2019 in “The journal of allergy and clinical immunology/Journal of allergy and clinical immunology/The journal of allergy and clinical immunology” This review discusses emerging research areas in alopecia areata pathobiology, highlighting the potential roles of unconventional immune cells and the need for more targeted therapeutic strategies, but reports no new experimental results.
130 citations
,
February 2019 in “JEADV. Journal of the European Academy of Dermatology and Venereology/Journal of the European Academy of Dermatology and Venereology” This study found that JAK inhibitors for alopecia areata showed promising response rates, with 72.4% of 289 cases responding, and oral administration achieving better outcomes than topical treatment, but recurrence occurred when treatment stopped. Further large-scale studies are needed to confirm these findings.
56 citations
,
January 2019 in “Lancet” This review discusses the emerging use of JAK inhibitors in alopecia areata treatment and reports no new clinical results; it highlights hair regrowth despite symptom recurrence after stopping therapy.
16 citations
,
October 2018 in “Experimental Dermatology” This study suggests that mesenchymal stem cell therapy may improve cell viability and regulate key signaling pathways in vitro for treating alopecia areata.
13 citations
,
August 2018 in “Facial Plastic Surgery Clinics of North America” This review discusses the potential effectiveness of cell therapy for hair loss, highlighting promising early findings but emphasizing that more research is needed to explore specific therapies like autologous fat grafting and mesenchymal stem cells.
45 citations
,
August 2018 in “Stem Cells International” This article reviews the potential of adipose-derived and Wharton’s jelly stem cells in alopecia treatment but presents no new clinical findings, highlighting their potential benefits and limitations in regenerative medicine.
89 citations
,
August 2018 in “JAMA Dermatology” This study found that the level of expected therapeutic regrowth significantly affected hair regrowth outcomes in contact immunotherapy for alopecia areata, suggesting implications for patient education and adherence.
191 citations
,
May 2018 in “British journal of dermatology/British journal of dermatology, Supplement” This study reviewed recent theories on alopecia areata's pathogenesis, highlighting its autoimmune nature due to immune privilege disruption in hair follicles, and noted current treatments have limited efficacy with high relapse rates, underscoring the need for further research into its mechanisms for better therapies.
45 citations
,
May 2018 in “Stem Cell Research & Therapy” In this study, patients receiving adipose-derived stromal vascular cell transplantation for alopecia areata experienced significant hair regeneration, increased growth, and improved hair quality after 3 and 6 months, indicating potential efficacy of this stem cell-based therapy for hair loss.
182 citations
,
December 2017 in “Journal of the American Academy of Dermatology” This article reviews current and emerging treatments for alopecia areata, including Janus kinase inhibitors, highlighting variability in clinical outcomes and the lack of sustained remission.
290 citations
,
December 2017 in “Journal of The American Academy of Dermatology” This article reviews the epidemiology, clinical evaluation, and pathogenesis of alopecia areata and highlights recent advancements, but it does not report new clinical findings.
773 citations
,
August 2017 in “International Journal of Molecular Sciences” This article reviews the potential advantages of secretome derivatives from human uterine cervical stem cells in MSC therapy and notes the need for regulatory standards to ensure safety and efficacy.
39 citations
,
August 2016 in “Journal of Dermatological Treatment” This study observed that autologous bone marrow derived mononuclear cells and follicular stem cells were both safe and effective for improving resistant alopecia areata and androgenetic alopecia, with no serious adverse events.
82 citations
,
March 2016 in “Autoimmunity reviews” This review explores animal models of alopecia areata, particularly focusing on the insights they've provided into the disease's immune mechanisms and potential treatment approaches, without reporting new experimental data.
128 citations
,
February 2016 in “British Journal of Dermatology” This study found that patients with alopecia areata experience significant impairments in health-related quality of life, notably affecting mental health, according to various quality of life assessment tools.
8 citations
,
January 2016 in “Journal of Veterinary Medical Science” This study found that canine adipose-derived mesenchymal stem cell-derived dermal papilla-like tissues promoted new hair follicle formation and increased vascularization in mice, suggesting potential for hair regeneration.
65 citations
,
December 2015 in “Experimental dermatology” This study found that both Th1 and Th2 immune responses, along with IL-23 and IL-32 cytokine pathways, are active in alopecia areata lesions, and corticosteroid injections significantly altered these immune markers.
27 citations
,
August 2015 in “Experimental Dermatology” In this study, electrical stimuli at low voltage and frequency settings promoted hair growth in vitro and in rabbit models, possibly by activating pathways like Wnt/β-catenin.
55 citations
,
April 2015 in “BMC medicine” This study found that the Stem Cell Educator therapy improved hair regrowth and quality of life in patients with severe alopecia areata by restoring immune balance and protecting hair follicles from autoimmune damage.
35 citations
,
December 2014 in “Clinical and experimental dermatology” This study found that patients with alopecia areata had reduced erythrocyte SOD and GSH-Px activities and elevated plasma MDA levels, suggesting a potential role of oxidative stress in the disease's pathogenesis.
701 citations
,
August 2014 in “Nature medicine” This study found that JAK inhibitors promote hair regrowth in both mice and human alopecia areata cases by blocking key immune pathways involved in disease development.
25 citations
,
March 2014 in “Experimental Dermatology” Leptin helps start the growth phase of hair.
53 citations
,
September 2013 in “Journal of Investigative Dermatology” This study suggests that cultured hair follicle dermal sheath cup cells exhibit immune privilege properties, partly through the expression of PD-L1, which impacts co-cultured immune cells' behavior.
421 citations
,
April 2012 in “The New England Journal of Medicine” Alopecia Areata is an autoimmune condition causing hair loss with no cure and treatments that often don't work well.
314 citations
,
April 2010 in “Developmental Cell” This study found that in mice, inactivating beta-catenin in the dermal papilla reduces hair follicle progenitor proliferation and disrupts the hair cycle.
81 citations
,
December 2009 in “Journal of Dermatological Science” This review discusses the paracrine effects of adipose tissue-derived stem cells on surrounding cells and tissues, noting their potential therapeutic benefits, but reports no new clinical results.
100 citations
,
July 2006 in “British Journal of Dermatology” This study found that intralesional triamcinolone acetonide injections using a needleless injector led to rapid hair regrowth in patients with limited alopecia areata, while lasting growth was rare in alopecia totalis.
520 citations
,
February 2001 in “Journal of Clinical Investigation” This study found that VEGF significantly enhances perifollicular vascularization during the hair growth phase, accelerating hair regrowth and increasing follicle and hair size, while its inhibition retards hair growth.
