16 citations
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January 2000 in “The Journal of clinical endocrinology and metabolism/Journal of clinical endocrinology & metabolism” This study found that serum PSA levels are higher in hirsute women and can be significantly reduced by antiandrogen treatment, suggesting PSA as a marker of androgen action in females.
1 citations
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July 2021 in “Fayoum University Medical Journal” This study found that vitamin D levels were significantly lower in men with androgenetic alopecia compared to healthy controls, while ferritin levels showed no significant difference.
April 2024 in “Zagazig University Medical Journal” This study found a strong negative correlation between serum adiponectin levels and severity of hair loss in individuals with alopecia areata, suggesting adiponectin as a potential marker for disease severity.
March 2023 in “Journal of the turkish academy of dermatology” This study found that patients with onychomycosis had higher serum ceruloplasmin levels than healthy controls, which were also positively correlated with both disease duration and severity.
April 2013 in “The Journal of Urology” Higher CRP levels suggest chronic inflammation is linked to bladder-related urinary symptoms in men with enlarged prostates.
This study suggests that raising the lower normal serum ferritin level to 50 ng/mL may improve organ functions even when hemoglobin levels are normal.
August 2026 in “Journal of Multidisciplinary Healthcare” In this study, no association was found between androgenetic alopecia and increased blood pressure or higher serum aldosterone levels in the examined hospital-based sample from Saudi Arabia.
August 2026 in “DOAJ (DOAJ: Directory of Open Access Journals)” In this study, no significant association between androgenetic alopecia and increased blood pressure or serum aldosterone levels was observed among a small sample of Saudi Arabian men.
December 2021 in “Pakistan Journal of Medical and Health Sciences” This study found that female patients with androgenetic alopecia had low serum ferritin levels.
June 2021 in “The American Journal of the Medical Sciences” This study found that patients with androgenetic alopecia had higher serum homocysteine levels, linked to the mutant MTHFR genotype, and an increased risk of coronary heart disease.
20 citations
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July 1990 in “Clinical and experimental dermatology” In this study, women treated for androgen-dependent alopecia with CPA EE2 therapy experienced significant decreases in serum vitamin B12, hemoglobin, and hematocrit levels after six months.
September 2020 in “International Journal of Research in Medical Sciences” This study found that individuals with alopecia areata had significantly lower serum vitamin D levels compared to healthy controls, but no significant link between vitamin D levels and disease severity was observed.
February 2024 in “Malahayati Nursing Journal” This study found that hirsutism in women is associated with elevated androgen hormone levels and increased serum TNFα, suggesting a link between androgen-driven inflammatory responses and excessive hair growth.
1 citations
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February 2021 in “Benha Journal of Applied Sciences” This study found that ischemia-modified albumin (IMA) levels were significantly higher in patients with male pattern androgenetic alopecia compared to healthy controls, and these levels correlated with AGA duration and severity.
June 2023 in “Annals of the College of Medecine” This study found that childbearing women with telogen effluvium had significantly lower ferritin levels compared to healthy controls, and observed a strong inverse correlation between ferritin levels and the amount of hair shed, suggesting low iron stores may contribute to hair loss.
January 2021 in “İzmir Dr.Behçet Uz çocuk hastanesi dergisi” This study found that children with alopecia areata had significantly lower levels of vitamin D and B12, and higher thyroid-stimulating hormone and free T4 levels compared to healthy children.
5 citations
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August 2018 in “Sexual Medicine Reviews” In this review and meta-analysis, the authors concluded that 5α-reductase inhibitor therapy is not consistently associated with significant increases in serum testosterone levels in men.
February 2020 in “Benha Journal of Applied Sciences” This study suggests that high nesfatin-1 levels and insulin resistance are linked to an increased risk and severity of acne vulgaris.
28 citations
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September 2017 in “Gynecological Endocrinology” This study found that women with polycystic ovary syndrome had significantly higher serum and intrafollicular levels of anti-Müllerian hormone compared to normovulatory women, indicating a potential marker for ovarian hyperstimulation syndrome risk.
14 citations
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July 2021 in “Anais brasileiros de dermatologia/Anais Brasileiros de Dermatologia” This study found that alopecia areata patients had higher baseline interleukin levels, which significantly decreased with tofacitinib treatment, though this change did not correspond to disease severity improvement.
8 citations
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January 1986 in “Journal of hepatology” This study suggests that hepatocellular carcinoma in cirrhotic men is associated with altered sex-steroid metabolism, indicated by lower testosterone and 5 alpha-dihydrotestosterone levels compared to cirrhosis alone.
6 citations
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October 2021 in “Biomedical Research and Therapy” This meta-analysis found that alopecia areata patients had significantly higher serum levels of IL-6 and TNF-α compared to healthy subjects, indicating a potential role of these cytokines in the condition's pathogenesis.
1 citations
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June 2025 in “Frontiers in Immunology” This study found that total serum IgE levels were elevated in patients with alopecia areata compared to controls, suggesting a possible involvement of IgE and Th2 cytokines in its pathogenesis.
1 citations
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July 2023 in “Al-Azhar Medical Journal” This study observed a significant association between antigliadin antibodies (IgA and IgG) and alopecia areata severity, suggesting that serological tests could help diagnose subclinical celiac disease in these patients, with IgA and IgG showing 100% sensitivity and specificity at specific cutoff points.
March 2026 in “European journal of ecology, biology and agriculture.” This study found significantly higher levels of Toll-Like Receptor 4, interferon gamma, and interleukin-17 in Iraqi patients with alopecia areata compared to controls, suggesting these immune markers play a crucial role in the disease's development and could be targets for future treatments.
This study found that pediatric alopecia areata patients had significantly lower serum BDNF levels compared to healthy controls, which were associated with greater alopecia severity, higher depressive symptoms, and poorer quality of life.
September 2025 in “Diseases” This study found that patients with patchy alopecia areata had significantly higher serum levels of pro-inflammatory cytokines IL-6, TNF-α, IL-17A, and IL-21 compared to healthy controls, with these levels correlating positively with disease severity, age, and disease duration.
June 2025 in “Journal of Kufa for Chemical Sciences” In this study, researchers observed increased hormone levels such as testosterone and LH in both obese and non-obese women with Polycystic Ovary Syndrome, but concluded that the enzyme 3βHSD shows poor diagnostic value for PCOS compared to healthy women.
January 2025 in “Journal of the Egyptian Womenʼs Dermatologic Society” This study found that patients with trichodynia associated with androgenetic alopecia had significantly higher levels of substance P in both tissue and serum compared to healthy controls, suggesting a potential role for this neurotransmitter in the condition's pathogenesis.
December 2024 in “Kufa Medical journal” The study reported that patients with alopecia areata had significantly higher serum levels of IL-17A and IL-2 compared to healthy controls, suggesting these interleukins may play an important role in the disease, though they did not correlate with its severity or duration.