185 citations
,
January 2010 in “Experimental Dermatology” This study introduces the concept of a "gut–brain–skin axis" where ingesting a specific Lactobacillus strain in mice may reduce stress-induced skin inflammation and hair growth inhibition.
48 citations
,
May 2018 in “Expert Opinion on Therapeutic Targets” This review discusses how modern lifestyle factors affecting gut health may contribute to Alopecia Areata in genetically predisposed individuals, reporting no new results but suggesting the need for long-term interventions.
37 citations
,
February 2023 in “Gut Microbes” This study found that administering the gut bacterium Thauera sp. strain GDN1 to mice significantly reduced their serum androgen levels, indicating gut bacteria may influence androgen metabolism.
37 citations
,
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.
36 citations
,
June 2019 in “eLife” This study introduces MicrobeFDT, a tool that clusters chemically similar compounds and links them to gut microbial enzymes and toxicities, demonstrating its utility by uncovering previously unknown metabolism of the cancer drug altretamine.
18 citations
,
February 2020 in “Journal of pharmaceutical and biomedical analysis” This study using high-performance liquid chromatography reported that mice with more diverse gut microbiota had higher levels of specific compounds in hair compared to those with less diversity, with stress affecting certain plasma levels.
17 citations
,
September 2020 in “Journal of Endocrinological Investigation” This study found that the gut microbiota composition in patients with post-finasteride syndrome differs significantly from healthy controls, with reduced diversity and specific microbial changes, suggesting a potential diagnostic marker and therapeutic target.
16 citations
,
January 2021 in “Dermatology and therapy” This review discusses the role of gut microbiota in autoimmune and immune-mediated dermatological conditions like lupus and psoriasis, but reports no new clinical results; the authors emphasize the need for further study into microbial signatures and treatments.
13 citations
,
January 2022 in “Advances in Dermatology and Allergology” This review discusses the relationship between gut microbiota and alopecia areata, and it does not report new clinical results.
12 citations
,
August 2021 in “International Journal of Biological Macromolecules” This study observed that Poria cocos polysaccharides and finasteride both reduced inflammation in chronic nonbacterial prostatitis in rats, but only Poria cocos polysaccharides reversed related changes in the gut microbiota.
10 citations
,
April 2024 in “International Journal of Molecular Sciences” This study found that patients with alopecia areata had a significantly different gut microbiota composition compared to healthy controls, suggesting possible microbiota involvement in the disease's pathogenesis.
10 citations
,
April 2017 in “Journal of Investigative Dermatology” The gut microbiome affects the development of alopecia areata.
10 citations
,
November 1964 in “Zentralblatt für Veterinärmedizin Reihe A” This study describes three types of benign epithelial tumors in dog skin, commonly found in the subcutis, which do not metastasize and rarely recur.
9 citations
,
February 2022 in “Genes” This study found a significant association between gut microbiome composition and PCOS in Indian women, relating specific bacterial genera to reproductive health and metabolic indicators.
8 citations
,
November 2024 in “Journal of Neuroendocrinology” This review discusses the role of gut steroids in communicating with the gut microbiota and their potential implications in treating gastrointestinal disorders and related brain conditions, suggesting new perspectives on steroid molecules as therapeutic agents.
6 citations
,
January 2024 in “International Journal of Dermatology” In this study, the researchers used Mendelian randomization to suggest a potential causal link between various gut microbiota and alopecia areata, finding that certain bacteria like Butyricimonas and Phascolarctobacterium may have protective effects, whereas others like Ruminococcaceae UCG003 might increase risk.
6 citations
,
November 2020 in “JAAD Case Reports” This study identified overlapping genetic susceptibility loci in both alopecia areata and inflammatory bowel disease, specifically with Crohn's disease and ulcerative colitis.
6 citations
,
October 2017 in “Oncotarget” In this study, NIH hairless mice showed increased susceptibility to Listeria monocytogenes infection compared to NIH mice, potentially due to differences in gut microbiota and monocyte levels.
5 citations
,
July 2024 in “Frontiers in Microbiology” In this study, researchers using Mendelian randomization found a potential causal relationship between the gut microbiome and alopecia areata, with 16 gut microbial taxa showing links to the condition, though reverse causation results were not statistically significant.
5 citations
,
September 2022 in “Frontiers in Nutrition” This review discusses the potential influence of gut microbiota on alopecia areata and suggests fecal microbial transplantation as a possible therapeutic approach but reports no new results.
4 citations
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July 2024 in “Skin Research and Technology” Certain bacteria may influence alopecia areata risk, but skin bacteria don't mediate gut-skin effects.
3 citations
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September 2025 in “Frontiers in Microbiology” This review article proposes a possible skin-gut-fibrosis axis, suggesting that gut microbial metabolites may influence the development of keloids and hypertrophic scars by affecting immune responses and fibrotic signaling pathways, although direct evidence in skin fibrosis remains limited.
3 citations
,
June 2025 in “Biomedicines” This review discusses the potential link between gut microbiota alterations and the onset and progression of alopecia areata, identifying it as a possible pathogenetic factor and therapeutic target, but reports no new clinical results.
3 citations
,
March 2024 in “Frontiers in Cell and Developmental Biology” This study observed that both prenatal androgen exposure and postnatal early-life environment influence the development of PCOS-like phenotypes and changes in the gut microbiota in prenatally androgenized offspring.
3 citations
,
January 2017 in “Chinese Science Bulletin (Chinese Version)” This review discusses the gut-brain-skin axis and its role in skin diseases, advocating for treatments that integrate gut microbiota, mental health, and dietary interventions, but reports no new clinical results.
2 citations
,
February 2024 in “International journal of molecular sciences” This review explores the connection between the gut-skin axis and the development of dermatological conditions like atopic dermatitis, psoriasis, alopecia areata, and acne, and discusses the potential of probiotics in reshaping the microbiome to alleviate these skin issues.
2 citations
,
November 2023 in “Frontiers in microbiology” This review suggests that the gut microbiome and metabolome may play a significant role in alopecia areata and emphasizes the potential of targeting these factors for improved prevention, diagnosis, and treatment strategies for this skin condition.
2 citations
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January 2018 in “Elsevier eBooks” This review discusses the complex mechanisms behind acne vulgaris and suggests that dietary modification, along with pro- and prebiotics, may influence its pathogenesis by addressing stress-induced skin inflammation.
1 citations
,
October 2025 in “EBioMedicine” Women have a higher DHT/testosterone ratio than men, possibly due to gut bacteria activity.
1 citations
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September 2017 in “Frontiers in Laboratory Medicine” This review discusses recent research on the relationship between gut microflora and depression, highlighting the potential for new insights into the pathogenesis and treatment of major depressive disorder.