February 2026 in “International Journal of Web of Multidisciplinary Studies” This review synthesizes current research on how the interaction between the skin microbiome and exosome-mediated communication influences hair disorders, and discusses how microbiome restoration and exosome-based therapies could advance treatments for conditions like alopecia by promoting hair regrowth and follicular health.
December 2025 in “Babcock University Medical Journal” This study found that in patients with Alopecia Areata, CD27 and IL-35 levels were significantly higher in those with bacterial infections, suggesting they may be useful as immunological biomarkers.
December 2025 in “Scientific Reports” In this study, researchers observed that DHEA-induced PCOS rats experienced significant changes in gut microbiota and metabolic profiles, particularly affecting steroid and lipid metabolism, suggesting the gut-ovary axis may play a role in the pathogenesis of PCOS.
This study identified four genes related to alopecia areata: GIMAP6 and ALOX15 as risk factors, and GALNT6 and HEG1 as protective factors, noting significant validation differences in GALNT6 and HEG1.
November 2023 in “Frontiers in cell and developmental biology” This source reviews mechanisms and existing treatments for hair aging, highlighting factors like oxidative stress and DNA repair defects that affect hair follicle and stem cell function, and discusses research limitations and future directions in the field.
82 citations
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August 2017 in “Cell Reports” This study found that antibiotic-induced gut dysbiosis, particularly overgrowth of Lactobacillus murinus, can lead to hair loss in mice by depleting biotin.
53 citations
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April 2021 in “Cell Host & Microbe” This study found that skin microbiota, particularly in wild-type mice, promotes wound-induced hair follicle neogenesis and wound healing, highlighting the potential downsides of routine antibiotic use on skin regeneration.
37 citations
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September 2018 in “Psychoneuroendocrinology” This study found that finasteride treatment in male rats led to enduring effects on depressive-like behavior, hippocampal neurogenesis and neuroinflammation, and gut microbiota composition after withdrawal.
26 citations
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December 2019 in “Neurobiology of Stress” This review discusses adverse effects of 5 alpha-reductase inhibitors, particularly persistent side effects such as post-finasteride syndrome, and highlights the need for further investigation.
26 citations
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October 2017 in “Scientific reports” This study found that a bacterial endophyte from Zea nicaraguensis effectively targets and colonizes plant root hair cells, promoting growth and solubilizing insoluble phosphorus for nutrient uptake.
9 citations
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November 2018 in “Journal of cosmetic dermatology” This study reports that a plant extract from Orobanche rapum can stimulate skin rejuvenation and protect cutaneous microbiota, potentially creating healthier skin.
5 citations
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January 2024 in “American Journal of Translational Research” This research highlighted that the gut microbiota may influence ovarian health, suggesting it could be used as a biomarker for early diagnosis and treatment of diseases like PCOS, ovarian insufficiency, and ovarian cancer due to its impact on hormone levels.
December 2025 in “Nature Communications” This study demonstrated that skin organoids derived from human stem cells can model cutaneous tuberculosis, revealing that fibrosis development in Mycobacterium tuberculosis-infected organoids is linked to the PI3K-AKT and AP1 pathways in fibroblasts, and suggesting the potential for antifibrotic treatment evaluation.
October 2025 in “Progress In Microbes & Molecular Biology” This review reveals that PCOS is consistently linked to gut microbiota dysbiosis, characterized by reduced microbial diversity and shifts in composition, which are associated with various PCOS phenotypes and may present opportunities for microbiota-targeted therapies addressing the disorder's underlying pathophysiological mechanisms.
August 2025 in “Archiv Euromedica” This review explored the relationship between alopecia areata and gut microbiota imbalances, noting potential immune dysregulation due to microbiome alterations. It highlighted promising results from fecal microbiota transplantation in treating alopecia universalis, indicating a need for further research into microbiome-targeted therapies.
January 2025 in “Universidad de Córdoba Insitutional Repository (Universidad de Córdoba)” In this study, researchers observed that individuals with alopecia areata exhibited significant changes in scalp microbiota diversity and composition, which were linked to disease severity and inflammation markers, though it remains unclear if these microbial shifts are a cause or a result of hair loss.
August 2024 in “Bioscience of Microbiota Food and Health” In this review, researchers examined the link between microorganisms and vitiligo, highlighting how microbes might impact the disease's development and suggesting avenues for better treatment strategies based on these interactions.
June 2023 in “Research Square (Research Square)” This study demonstrated that dietary cupric citrate improved growth performance and nutrient utilization in broilers, while also altering their intestinal microbiota and increasing the pH in the duodenum and jejunum.
February 2019 in “Institutional Repositories DataBase (IRDB)”
94 citations
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January 2016 in “Journal of the European Academy of Dermatology and Venereology” Sensitive skin is often caused by nerve fibers and environmental factors, and can be managed with mild skincare and professional advice.
83 citations
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August 2014 in “PLoS ONE” This study suggests that Demodex mites might universally inhabit adult humans, with a phylogenetic analysis indicating potential undiscovered lineages of the D. brevis species based on geographic differences.
69 citations
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August 1999 in “Developmental biology” This study found that ectopic expression of Whn in transgenic mice caused impaired differentiation in epidermis and hair follicles, with hair growth defects and severe urinary tract issues leading to hydronephrosis.
66 citations
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December 2013 in “Nature Cell Biology” This study found that quiescence in hair follicle stem cells acts as a tumor suppression mechanism for cutaneous squamous cell carcinoma, with Pten activity necessary to maintain this state.
65 citations
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October 2018 in “Frontiers in cellular and infection microbiology” This study observed that dandruff in Indian women is associated with a distinct scalp microbiome, including specific bacterial and unknown Malassezia species, with implications for nutrient homeostasis and cell-host adhesion pathways.
61 citations
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May 2015 in “Planta” Certain fungi and bacteria help orchid seeds germinate and plants grow better.
57 citations
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March 2019 in “Immunity” This review discusses the roles of immune responses and cells in skin health and disease, emphasizing recent insights into their mechanisms and potential therapeutic applications, but presents no new experimental results.
26 citations
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June 2018 in “The journal of immunology/The Journal of immunology” This study demonstrated that AIRE-deficient rats exhibit key symptoms of APECED, making them a relevant model for exploring potential treatments.
25 citations
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May 2003 in “Expert Opinion on Therapeutic Patents” This review examines patents and publications on steroid sulfatase inhibitors since 1999 and reports no new clinical results, highlighting their potential for treating estrogen- and androgen-driven conditions.
19 citations
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August 1999 in “European journal of endocrinology” This study concluded that neither basal nor ACTH-stimulated 17-OHP concentrations effectively indicate carrier status for 21-hydroxylase deficiency among Slovenian hyperandrogenic women, recommending molecular analysis of the CYP21 gene for reliable screening.
17 citations
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June 2019 in “The journal of immunology/The Journal of immunology” This study identified a regulatory element necessary for Foxn1 expression specifically in mouse thymic epithelial cells, crucial for thymus development but not affecting hair follicles.