The results of these novel ELISAs indicated that IgG anti-Dsc autoantibodies were frequently detected and potentially pathogenic in nonclassical pemphigus.
Sex hormones are known to be associated with increases of melanocytes and melanin production in human skin. However, the expression of estrogen receptor (ERalpha) in melanocytic lesions has been controversial. In 1996, a new subset of estrogen receptor was cloned, and named estrogen receptor beta (ERbeta). We used immunohistochemical staining to characterize the expression of ERalpha and ERbeta in normal skin and in melanocytic lesions. Normal sebaceous glands and hair follicles were positive for ERalpha and ERbeta. Other adnexal structures and constituents in the skin were positive for ERbeta, but not for ERalpha. Melanocytic nevi and malignant melanomas were negative for ERalpha, but both were positive for ERbeta. The ubiquitous expression of ERbeta may play a fundamental role in various normal skin cells and melanocytic tumors.
Background: Plaque psoriasis significantly affects patients' health-related quality of life. To aid treatment decisions, not only objective assessment by physicians but also subjective assessment by patients is important. Objective: To assess the significance of Dermatology Life Quality Index (DLQI) evaluation at the time of biologics introduction in clinical practice in Japanese patients with plaque psoriasis. Methods: This was a single-arm, open-label, multicenter study. At baseline, Psoriasis Area and Severity Index (PASI) and DLQI scores were measured and stratified based on DLQI scores 6/5 and PASI scores 10/>10. Other patient-reported outcomes assessed included EQ-5D-5L, itch numerical rating scale (NRS), skin pain NRS, Generalized Anxiety Disorder-7 (GAD-7), Patient Health Questionnaire-8 (PHQ-8), Sleep Problem Index-II (SPI-II), and Treatment Satisfaction Questionnaire for Medication-9 (TSQM-9). Results: Of the 73 enrolled patients, 23 had PASI scores 10. Those with PASI/DLQI scores >10/6 had a significantly higher median PASI score than those with PASI/DLQI scores >10/5 (p = 0.0125). Regardless of PASI scores (>10/10), median itch NRS and GAD-7 scores were significantly higher in patients with DLQI scores 6 than in those with DLQI scores 5 (itch NRS, p = 0.0361 and p = 0.0086, respectively; GAD-7, p = 0.0167 and p = 0.0273, respectively). Patients with PASI/DLQI scores 10/6 had significantly higher skin pain NRS (p = 0.0292) and PHQ-8 (p = 0.0255) scores and significantly lower median SPI-II scores (p = 0.0137) and TSQM-9 Effectiveness domain scores (p = 0.0178) than those with PASI/DLQI scores 10/5. Conclusion: DLQI may be useful for assessing patients' concerns that cannot be identified by PASI alone while initiating biologics or switching from other biologics in clinical practice.
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