Background: The inflammatory and immune factors play a key role in the pathogenesis of vitiligo, and there are very few studies that have investigated the levels of major cytokines produced by T helper (Th) 1, Th2, and Th17 cells. This can enable better understanding of the, pathogenesis, and severity of vitiligo.
Objectives: To evaluate the serum levels of interleukin (IL)-6, tumor necrosis factor (TNF)-α, IL-1β, interferon (IFN)-γ, and IL-10 in patients with vitiligo and to correlate them with the disease severity and activity and to compare them with normal healthy controls.
Materials And Methods: A case-control study was conducted with 100 study participants: 50 cases clinically diagnosed as vitiligo and 50 controls. All patients underwent complete evaluation with detailed demographic parameters, history, and physical examination. The severity of the disease was assessed clinically by Vitiligo Area Scoring Index (VASI) and Vitiligo Disease Activity Score (VIDA). Blood investigations performed were IL-6, TNF-α, IL-1β, IFN-γ, and IL-10.
Results: We observed significantly higher levels of serum IFN-γ levels in the patient group when compared with those of the normal controls ( = 0.002) and showed a positive correlation with the activity and severity of the disease with a significant VASI ( = 0.05) and VIDA score ( = < 0.001). The mean serum IL-10 (p < 0.001) in patients with vitiligo was significantly lower than that in the control group. There was no significant difference in the serum level of TNF-α level ( = 0.347), IL-6 ( = 0.365), and IL-1β ( = 0.362) between vitiligo and healthy controls.
Conclusion: This study proved that high serum level of IFN-γ may be a risk factor for vitiligo progression and significantly low levels of IL-10, which has an anti-inflammatory role, suggesting that they could be used as a marker for assessing vitiligo activity and may open the way for further therapeutic approaches for vitiligo.
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http://dx.doi.org/10.4103/idoj.idoj_6_23 | DOI Listing |
Alzheimers Dement
December 2024
School of Biomedical Informatics, The University of Texas Health Science Center at Houston, Houston, TX, USA.
Background: An increasing body of evidence has suggested that the pathogenesis of Alzheimer's disease (AD) is not confined to the neurons but instead that neuroinflammation plays a significant role in the disease, with an interplay between the brain and the immune system. So far, their shared genetic components have not been systematically studied.
Method: We investigated the shared genetic architecture between AD and a plethora of immune-mediated diseases using the genome-wide association studies (GWAS) summary statistics data: allergic rhinitis, asthma, atopic dermatitis, celiac disease, Crohn's disease, hypothyroidism, primary sclerosing cholangitis, RA, systemic lupus erythematosus, ulcerative colitis, and vitiligo.
J Invest Dermatol
December 2024
Department of Dermatology, Feinberg School of Medicine, Northwestern University, Chicago (IL), USA; Department of Pulmonary and Critical Care Medicine, University of Virginia, Charlottesville, VA, USA. Electronic address:
Vitiligo has a complex multifactorial etiology involving a T-cell mediated autoimmune response to cutaneous melanocytes. Microbial dysbiosis has been assigned a contributing role in vitiligo etiology. Treating vitiligo can be a challenging task and finding novel treatment approaches is crucial.
View Article and Find Full Text PDFFront Immunol
January 2025
Department of Dermatology, the First Affiliated Hospital of Chongqing Medical University, Chongqing, China.
Biological drugs are extensively used to treat various inflammatory diseases, including psoriasis, atopic dermatitis (AD), and rheumatoid arthritis. While generally effective and safe, these therapies have been increasingly associated with secondary development of vitiligo, especially with anti-TNF α and anti-IL17 drugs. Dupilumab, an IL-4 receptor alpha antagonist used in moderate to severe AD, rarely induces vitiligo.
View Article and Find Full Text PDFInt J Dermatol
December 2024
Department of Dermatology, First Affiliated Hospital of Dalian Medical University, Dalian, China.
Vitiligo is a common depigmentation disorder classified into nonsegmental vitiligo (NSV) and segmental vitiligo (SV). SV accounts for 5-27.9% of patients with vitiligo.
View Article and Find Full Text PDFJ Dermatol
December 2024
Department of Ophthalmology, Otolaryngology, and Dermatology, Kyung Hee University College of Korean Medicine, Kyung Hee University Hospital at Gangdong, Seoul, Republic of Korea.
The long-term complications of coronavirus disease 2019 (COVID-19) continue to cause global concern. This study aimed to estimate the incidence and risk of chronic urticaria, vitiligo, alopecia areata, and herpes zoster following COVID-19 infection. Only participants confirmed by real-time reverse transcription-polymerase chain reaction tests to have COVID-19 were enrolled in the COVID-19 group.
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