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Analysis of Risk Factors and Body Mass Index Against Degrees of Severity of Psoriasis Vulgaris Lidjaja, Lifesia Natali; Muhammad Eko Irawanto; Nur Rachmat Mulianto; Arie Kusumawardani; Ivani; Vrenda Alia
Bioscientia Medicina : Journal of Biomedicine and Translational Research Vol. 8 No. 10 (2024): Bioscientia Medicina: Journal of Biomedicine & Translational Research
Publisher : HM Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37275/bsm.v8i10.1104

Abstract

Background: Psoriasis vulgaris (PV) is a chronic inflammatory skin disease with a multifactorial etiology, including genetic, immunological, and environmental factors. Obesity, characterized by a high body mass index (BMI), has been increasingly recognized as a potential risk factor for PV and may influence its severity. This study aimed to analyze the relationship between various risk factors, particularly BMI, and the severity of PV. Methods: A cross-sectional study was conducted at a dermatology outpatient clinic of Dr. Moewardi Surakarta Hospital. Patients with a confirmed PV diagnosis were enrolled. Demographic data, medical history, lifestyle factors (smoking, alcohol consumption), and anthropometric measurements (height, weight, BMI) were collected. PV severity was assessed using the psoriasis area and severity index (PASI). Statistical analysis, including univariate and multivariate logistic regression, was performed to identify associations between risk factors and PV severity. Results: The study included 200 PV patients with a mean age of 45.2 years (SD = 12.8) and a male predominance (58%). The mean PASI score was 12.4 (SD = 8.6), indicating a wide range of disease severity. Multivariate analysis revealed that obesity (BMI ≥ 30 kg/m2) was significantly associated with increased PV severity (odds ratio [OR] = 2.8, 95% confidence interval [CI] = 1.5-5.2, p = 0.001). Smoking (OR = 1.9, 95% CI = 1.1-3.3, p = 0.02) and a family history of psoriasis (OR = 2.3, 95% CI = 1.3-4.1, p = 0.004) were also identified as independent risk factors for higher PASI scores. Alcohol consumption showed a borderline association with increased severity (OR = 1.6, 95% CI = 1.0-2.6, p = 0.05). Conclusion: Obesity, smoking, and a family history of psoriasis are significant risk factors for increased PV severity. These findings underscore the importance of addressing modifiable risk factors, such as weight management and smoking cessation, in the holistic management of PV. Further research is warranted to elucidate the underlying mechanisms linking these risk factors to PV severity and to develop targeted interventions to improve patient outcomes.
Unveiling the Hidden Patterns: A Dermoscopic Analysis of Vitiligo Lesions at a Tertiary Care Center in Surakarta, Indonesia Sesia Pradestine; Muhammad Eko Irawanto; Osdatilla Esa Putri; Trya Oktaviani; Benedicta Lauda Anandita
Bioscientia Medicina : Journal of Biomedicine and Translational Research Vol. 9 No. 4 (2025): Bioscientia Medicina: Journal of Biomedicine & Translational Research
Publisher : HM Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37275/bsm.v9i4.1258

Abstract

Background: Vitiligo, a common depigmenting disorder, presents with a variety of clinical manifestations. Dermoscopy, a non-invasive skin imaging technique, has emerged as a valuable tool for evaluating pigmentary disorders. This study aimed to analyze the dermoscopic patterns of vitiligo lesions in a cohort of patients at a tertiary care center in Surakarta, Indonesia, and to correlate these patterns with disease stability. Methods: This cross-sectional study included 20 adult patients diagnosed with vitiligo at the Dermatology and Venereology Outpatient Clinic of Dr. Moewardi Regional General Hospital Surakarta in July 2023. A dermoscopic examination was performed on all patients using a polarized light dermoscope. Dermoscopic features were analyzed and categorized based on the BPLeFoSK criteria (Border, Pigment Network, Lesions, Follicular, Koebner). Disease stability was assessed based on clinical and dermoscopic findings. Results: The majority of patients were female (75%) and between 21-40 years old (65%). All patients exhibited the characteristic "white glow" under dermoscopy. Other common findings included reduced or absent pigment network (40% each), perifollicular hyperpigmentation (30%), and perilesional hyperpigment (30%). Satellite lesions and micro-Koebner phenomenon, indicative of disease activity, were observed in 10% of patients each. Based on these findings, 80% of patients were classified as having stable vitiligo, while 20% had unstable vitiligo. Conclusion: Dermoscopy revealed a spectrum of patterns in vitiligo lesions, with the "white glow" being a universal finding. The majority of patients in this cohort had stable vitiligo. Dermoscopy can aid in assessing disease activity and guiding treatment decisions in vitiligo patients.
Dose- and Time-Dependent Efficacy of Topical Hydroquinone in Establishing a C57BL/6 Mouse Model of Vitiligo Benedikta Lauda; Nurrachmat Mulianto; Endra Yustin Ellistasari; Muhammad Eko Irawanto
Bioscientia Medicina : Journal of Biomedicine and Translational Research Vol. 10 No. 1 (2025): Bioscientia Medicina: Journal of Biomedicine & Translational Research
Publisher : HM Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37275/bsm.v10i1.1481

Abstract

Background: Vitiligo is a complex autoimmune depigmenting disorder driven by melanocyte-specific CD8+ T cells, oxidative stress, and genetic susceptibility. The lack of standardized, accessible animal models that recapitulate these pathways hinders therapeutic development. This study aimed to systematically optimize and validate a chemically-induced vitiligo model in C57BL/6 mice. Methods: Eighty (80) male C57BL/6 mice were randomized into ten groups (n=8/group). Experimental groups received once-daily topical applications of hydroquinone (HQ) at 2.5%, 5%, or 10%, or monobenzone (MBZ) at 40% for 8 or 16 days. Vehicle-treated mice served as controls. Efficacy was assessed via quantitative histopathology (Masson-Fontana staining for melanin area), biomolecular assays for oxidative stress (Malondialdehyde [MDA] and Superoxide Dismutase [SOD]), and RT-qPCR for melanogenesis-related (Tyr) and inflammation-related (Tnf) gene expression. Results: A clear dose- and time-dependent depigmentation was observed. The 10% HQ 16-day protocol was maximally effective, inducing a profound reduction in epidermal melanin area (0.06 ± 0.02) compared to 16-day controls (0.40 ± 0.04; p < 0.001). This histopathological finding was significantly correlated with severe cutaneous oxidative stress, evidenced by a 3.75-fold increase in MDA (p < 0.001) and a 50% reduction in SOD activity (p < 0.001) versus controls. Furthermore, this regimen caused a potent suppression of Tyr expression (0.15-fold change; p < 0.001) and a significant upregulation of the pro-inflammatory cytokine Tnf (3.8-fold change; p < 0.001). Conclusion: The 16-day topical application of 10% hydroquinone is a reliable, rapid, and highly reproducible protocol for inducing vitiligo-like depigmentation in C57BL/6 mice. This model successfully recapitulates key pathophysiological pillars of human vitiligo, including melanocytotoxicity, profound oxidative stress, and a pro-inflammatory cutaneous environment, establishing it as a valuable platform for preclinical therapeutic screening.