The aberrant expression of interleukin-17 (IL-17) has been reported in primary Sjögren's syndrome (pSS). Abnormalities in IL-17 can promote the production of pro-inflammatory cytokines and aggravate autoimmune disorders. The aim of this study was to investigate alterations of IL-17 in patients with pSS and explore the correlation between IL-17 and disease severity. Eight databases were searched for original studies reporting the expression of IL-17 in patients with pSS and controls. Eligible reports were included in the pooled analysis, and subgroup evaluations were performed according to different types of controls and IL-17 measurement methods. Newcastle-Ottawa Scale criteria were used to assess the risk of bias of the included studies. In total, 45 articles are included in the meta-analysis. The expression of IL-17 is significantly increased in patients with pSS compared to controls. Furthermore, patients with pSS without immunosuppressive treatment show markedly higher IL-17 levels. In addition, patients with pSS with positive rheumatoid factors tend to express a higher level of IL-17 than patients with negative rheumatoid factors. Negative correlations between IL-17 levels and ocular parameters are also found in patients with pSS. The results are similar after adjustment by "trim and fill" methods. In conclusion, the expression of IL-17 is obviously increased in patients with pSS, especially among those without immunosuppressive treatment. In addition, IL-17 level correlates with the disease severity of pSS. These findings demonstrate the significance of IL-17 overexpression in patients with pSS and may provide insights for the development of therapeutic interventions targeting IL-17 for pSS.
Purpose: Antifungal resistance associated with the extensive use of antifungals and biofilm formation presents major clinical challenges. Thus, new therapeutic strategies for fungal infections are urgently required. This study aimed to evaluate the in vitro antifungal effects of the natural bioactive alkaloid berberine against Candida spp. in planktonic and biofilm conditions. Methods: Using the CLSI M27-A3 reference method for broth dilution antifungal susceptibility testing of yeasts, the MICs for five standard strains comprised of Candida albicans (ATCC 10231, ATCC 90028), Candida krusei (ATCC 6258), Candida glabrata (ATCC 90030), Candida dubliniensis (MYA 646), and six clinical isolates (CLC1-CLC6) were tested. The 2,3-bis-(2-methoxy-4-nitro-5-sulfophenyl)-2H-tetrazolium-5-carboxanilide (XTT) reduction assay was used to evaluate the inhibitory effects of berberine against Candida biofilms. The optical density value at 490 nm was measured and illustrated using concentrationabsorbance curves. Finally, the effects were quantified by confocal laser scanning microscopy (CLSM), and 3-dimensional reconstruction was performed. The viability inhibition rates, biofilm formation, and thickness decrease rates were tested and analyzed using independentsamples t-test. The differences among the five Candida strains were analyzed using one way ANOVA. Results: The MICs for the five standard strains described above were 80, 160, 10, 20, and 40 μg/ mL, respectively, which was similar to that of the clinical isolates, suggesting the stable, broadspectrum antifungal activity of berberine. Berberine exerted concentration-dependent inhibitory effects against Candida biofilms, which were enhanced with the maturation of Candida biofilms. Berberine decreased the viability of Candida biofilms, with inhibition rates by CLSM ranging from 19.89 ± 0.57% to 96.93 ± 1.37%. Following 3-dimensional reconstruction, the biofilms of the berberine-treated group displayed a poorly developed architecture, and the biofilm thickness decrease rates ranged from 15.49 ± 8.45% to 30.30 ± 15.48%. Conclusion: Berberine exhibited significant antifungal activity in Candida spp. The results provide a useful reference for multiple Candida infections and biofilm infections associated with antifungal resistance. Therefore, berberine might have novel therapeutic potential as an antifungal agent or a major active component of antifungal drugs.
Candida spp. cause various infections involving the skin, mucosa, deep tissues, and even life-threatening candidemia. They are regarded as an important pathogen of nosocomial bloodstream infection, with a high mortality rate. As a result of prolonged exposure to azoles, the therapeutic failure associated with azoles resistance has become a serious challenge in clinical situations. Therefore, novel, alternative antifungals are required urgently. In the present study, the CLSI M-27A broth microdilution method and the 2,3-Bis-(2-methoxy-4-nitro-5-sulfophenyl)-2H-tetrazolium-5-carboxanilide (XTT) reduction assay were used to evaluate the antifungal effects of magnolol against various standard Candida strains in planktonic mode and biofilm formation, respectively. The antifungal activity of magnolol was demonstrated in planktonic C. albicans and non-albicans Candida species, especially fluconazole-resistant Candida krusei, with the minimum inhibitory concentrations ranging from 10 to 40 μg/mL. The BMIC90 (minimum concentration with 90% Candida biofilm inhibited) values of magnolol ranged from 20 to 160 μg/mL, whereas the BMIC90 values of fluconazole were more than 128 μg/mL. As an alternative and broad-spectrum antifungal agent, magnolol might be of benefit to the treatment of refractory Candida infection.
Objective A diagnostic test was designed to evaluate the accuracy and applicability of fluorescence staining with fluorescein‐labelled chitinase versus routine 10% potassium hydroxide (KOH) smear for rapid diagnosis of oral candidiasis. Methods In total, 124 subjects with suspected oral candidiasis symptoms/signs were sequentially enrolled in this study. The diagnostic efficacy indexes (sensitivity, specificity, Youden index, predictive value, likelihood ratio, diagnostic odds ratio, diagnostic accuracy and area under the curve [AUC]) were compared between 10% KOH smear and fluorescence staining. Results The sensitivity (85.48% vs. 64.52%) and specificity (91.94% vs. 72.58%) of fluorescence staining were higher than those of KOH smear. The AUC of fluorescence staining (0.887) was remarkably higher than that of 10% KOH smear (0.685), demonstrating that the diagnostic efficacy of fluorescence staining is significantly higher than that of KOH smear (p = .0005). Furthermore, fluorescence staining showed higher sensitivity than that of KOH smear (84.75% vs. 62.71%) in diagnosis of erythematous type oral candidiasis, which is the most common type and the type most challenging to differentially diagnose. Conclusion The advantages of fluorescence staining with fluorescein‐labelled chitinase in rapid diagnosis of oral candidiasis and its ease of operation suggest its potential use in clinical practice.
BackgroundVitamin B12 deficiency, which may cause serious neuropsychiatric damage, is common in the elderly. The non-specific clinical features of B12 deficiency and unreliable serum parameters make diagnosis difficult. We aimed to evaluate the value of oral “beefy red” patches as a clinical marker of B12 deficiency.MethodsA diagnostic study was conducted in patients complaining of oral soreness, burning sensation, or severe recurrent oral ulcers. Patients underwent clinical examination and laboratory investigations, including complete blood count and estimation of serum B12, folate, iron, and ferritin levels. Resolution of clinical signs and symptoms after 1 month of B12 supplement was regarded as the diagnostic gold standard.ResultsOf 136 patients, 70 had B12 deficiency. Among these patients, the oral “beefy red” patch was observed in 61, abnormal mean corpuscular volume (MCV) was noted in 30, and serum cobalamin levels <200 and <350 pg/mL were seen in 59 and 67 cases, respectively. The “beefy red” patch demonstrated the highest diagnostic validity (Youden index 0.84) and reliability (consistency 91.9% [95% CI: 87.3%–96.5%]), followed by the serum cobalamin levels and MCV. The combination of “beefy red” patch with cobalamin <350 pg/mL exhibited better diagnostic value than the combination of “beefy red” patch with cobalamin <200 pg/mL, with accuracy of 0.81 vs 0.74 and reliability of 90.4% (95% CI: 85.5%–95.4%) vs 86.8% (95% CI: 81.1%–92.5%).ConclusionThe combination of oral “beefy red” patch and serum cobalamin level <350 pg/mL appears to be useful for diagnosis of B12 deficiency.
Objective To evaluate the efficacy and safety of Streptococcus salivarius K12 as an adjuvant in treating oral candidiasis. Methods A total of 56 patients were participated in the randomized, double‐blinded, placebo‐controlled clinical trial. The S. salivarius K12 or placebo lozenges plus nystatin tablets were given for up to 4 weeks at 1‐week interval and then followed up for 1 week thereafter. We collected and analyzed the mycological and clinical data, treatment course, and safety data. Results At the end of the treatment, significant differences were found in the mycological cure rates between K12 group and control group (90.48% and 55.56%, respectively, p = 0.008). Survival analysis demonstrated no statistical difference in overall cure rates comprehensively considering mycological cure, clinical improvement, and recurrence (p = 0.078), while statistical difference was found in mycological cure (p = 0.013) between the two groups. The median treatment courses of K12 group and control group were 3 weeks and 4 weeks, respectively. No severe events were reported during the study. Conclusion Streptococcus salivarius K12 exhibited potential efficacy and safety as an adjuvant in treating oral candidiasis by enhancing mycological cure and shortening the treatment course of conventional antifungal therapy in this randomized, double‐blinded, placebo‐controlled clinical trial. Further large‐scale clinical studies are desired to accumulate more evidence for its clinical applications.
Objective. To evaluate the beneficial effects and safety of corticosteroids combined with traditional Chinese medicine (TCM) for pemphigus. Methods. Seven electronic databases were searched to identify any potential randomized controlled trials (RCTs) or clinical controlled trials (CCTs) that compared corticosteroids with and without TCM for the treatment of pemphigus, published in any language. Remission of the mucocutaneous lesions, therapeutic duration, dosage of corticosteroids, and specific antibody titers were employed as the main outcome measures. The methodological quality of the included studies was assessed using the Cochrane Handbook for Systematic Review of Interventions and Rev Man 5.1.0 software. Results. Four RCTs with a total of 199 patients were included in the present review. Management with corticosteroids combined with TCM seemed to benefit pemphigus patients in terms of healing of lesions, prevention of complications and relapse, and reduced interferon-gamma (IFN-γ) level. The trials were not of high methodological quality. No study mentioned allocation concealment and blinding. Only one trial reported adverse events, and it indicated that the safety of corticosteroids combined with TCM was uncertain. Conclusion. There is some, albeit weak, evidence to show that combined treatment with corticosteroids with TCM could be of benefit for some patients with pemphigus. The efficacy and safety of this combined treatment should be evaluated further in better designed, fully powered, and confirmatory RCTs.
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