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37-444.
There were significant differences of DTI parameters between CMT and controls, with significant correlations between DTI parameters, muscle atrophy grade, and CMTNS. Level of Evidence 2 Technical Efficacy Stage 2 J. MAGN. RESON. IMAGING 2021;53437-444.
Trichosporon asahii is the major causative agent of disseminated and deep-seated trichosporonosis. It is capable of forming biofilms on surfaces, leading to medical device-related infection.Trichosporon asahii may be present as yeast form, hyphae and/or arthroconidia; however, the relationship between its biofilm-forming ability and its morphological transition is unclear.
We investigated whether the T.asahii morphological transition contributes to its biofilm formation. We also determined the conditions required to induce each of the morphologies.
Three high- and three low-biofilm-producing strains (HBS and LBS, respectively) were selected using a biofilm formation assay, and the cell surface hydrophobicity of these six strains was measured. For each strain, the morphology was observed and the number of each morphological form (yeast form, hypha and arthroconidium) was counted to calculate the ratio. Finally, the ability of cells each morphological type to adhere to the polystyrene substrate was evaluated.
The HBS exhibited abundant arthroconidia and hyphae; in contrast, the LBS produced mainly hyphae with few or no arthroconidia. The production of hyphae was increased by nitrogen-containing medium, and the production of arthroconidia was increased by nitrogen-deficient medium. Cells incubated under nitrogen-deficient conditions showed higher adherence to a polystyrene surface than those incubated in the presence of nitrogen.
Arthroconidia of T.asahii play a key role in biofilm formation by promoting cellular adhesion.
Arthroconidia of T. asahii play a key role in biofilm formation by promoting cellular adhesion.
In recent years, methylene blue mediated-photodynamic therapy (MB-PDT) has proved to be an effective inhibitor to a variety of microorganisms, including Trichophyton rubrum, the most common dermatophyte worldwide. However, previous studies mainly focused on the spore form of Trubrum, but rarely on its hyphal form, although the latter is the main pathogenic form of Trubrum in vivo.
To investigate the inhibitory effect of MB-PDT on Trubrum in different growth phases in vitro.
The suspensions of spores and hyphae obtained from Trubrum (ATCC28188) were prepared, respectively, incubated with MB solution (0.15-40μg/mL) and irradiated with 635nm red light. Varied light energy and MB concentration were used. The specimen in the absence of light exposure or/and MB served as controls. MIC determination, colony counts and MTT assay were employed to evaluate the antifungal effect of MB-PDT.
The MICs of MB-PDT for hyphae and spores of T. rubrum were 6.300±1.072μg/mL and 1.984±1.072μg/mL, respectively, at a fixed light dose of 60J/cm
. CFU counts gave the minimum critical combinations of MB concentration and light dose to achieve 100% inhibitory rate. For hyphae, they were 5μg/mL+100J/cm
or 10μg/mL+60J/cm
. For spores, they were 1.25μg/mL+40J/cm
or 5μg/mL+20J/cm
. The outcomes of MTT assay were consistent with those of CFU counts, but less accurate.
MB-PDT is a potent inhibitor to both spores and hyphae of T. rubrum in vitro, and the spores are more sensitive to it. Its antifungal efficacy is positively correlated with the concentration of MB and light dose.
MB-PDT is a potent inhibitor to both spores and hyphae of T. rubrum in vitro, and the spores are more sensitive to it. Its antifungal efficacy is positively correlated with the concentration of MB and light dose.
To assess changes in glucose metrics and their association with psychological distress and lifestyle changes in patients with type 1 diabetes (T1D) using flash glucose monitoring (FGM) during lockdown following severe acute respiratory syndrome coronavirus 2 outbreak.
Single-centre, observational, retrospective study enrolling T1D patients who attended a remote visit on April 2020 at the Endocrinology division of the University Hospital Policlinico Consorziale, Bari, Italy. Lockdown-related changes in physical activity level and dietary habits were assessed on a semi-quantitative basis. Changes in general well-being were assessed by the General Health Questionnaire-12 items with a binary scoring system. Glucose metrics were obtained from the Libreview platform for the first 2 weeks of February 2020 (T0) and the last 2 weeks before the phone visit (T1).
Out of 84 patients assessed for eligibility, 48 had sufficient FGM data to be included in the analysis. FGM data analysis revealed significant reductions in coefficient of variation, number of hypoglycaemic events, and time below range, while no changes were found in time in range, time above range, mean sensor glucose, and glucose management indicator. Moreover, the frequency of sweets consumption was inversely related to the occurrence of hypoglycaemic events during lockdown.
Lockdown-related lifestyle changes, albeit unhealthy, may lead to reduction in FGM-derived measures of hypoglycaemia and glycaemic variability in patients with T1D.
Lockdown-related lifestyle changes, albeit unhealthy, may lead to reduction in FGM-derived measures of hypoglycaemia and glycaemic variability in patients with T1D.
Information is lacking regarding how commonly unblinding of treatment assignment occurs in hypnotic randomized clinic trials (RCTs). We now report the "best guesses" of clinical trial participants, versus study coordinators, versus study physicians in the study Reducing Suicidal Ideation Through Insomnia Treatment (REST-IT).
REST-IT, a, 8-week double-blind RCT, compared zolpidem extended-release (ER) versus placebo at bedtime in 103 adults with major depressive disorder with insomnia and suicidal ideation, and who received open label selective serotonin reuptake inhibitors. At the conclusion of study participation, 89 of the participants in this study, the study coordinators, and the study physicians each independently recorded their "best guess" of the treatment assigned.
Patients guessed correctly 58.4% of the time, coordinators 53.9% of the time, and physicians 49.4% of the time, and none were different from chance alone. Agreement between patient/coordinator, patient/doctor, and coordinator/doctor dyads were 75%-78% with no significant differences in agreement between the dyads.
"Best guesses" of all parties were not different from chance, suggesting that the blind was maintained and that assessment bias was minimized in this RCT of zolpidem ER versus placebo. Our results may not apply to other hypnotics or other RCT designs.
"Best guesses" of all parties were not different from chance, suggesting that the blind was maintained and that assessment bias was minimized in this RCT of zolpidem ER versus placebo. Our results may not apply to other hypnotics or other RCT designs.
To evaluate the relationship between self-reported colour-race, genomic ancestry, and metabolic syndrome in an admixed Brazilian population with type 1 diabetes.
We included 1640 participants with type 1 diabetes. The proportions of European, African and Amerindian genomic ancestries were determined by 46 ancestry informative markers of insertion deletion. Two different sets of analyses were performed to determine whether self-reported colour-race and genomic ancestry were predictors of metabolic syndrome.
Metabolic syndrome was identified in 29.8% of participants. In the first model, the factors associated with metabolic syndrome were female gender (odds ratio 1.95, P < 0.001); diabetes duration (odds ratio 1.04, P < 0.001); family history of type 2 diabetes (odds ratio 1.36, P = 0.019); and acanthosis nigricans (odds ratio 5.93, P < 0.001). Colour-race was not a predictive factor for metabolic syndrome. In the second model, colour-race was replaced by European genomic ancestry. The associatedafter multivariable adjustments. Further prospective studies in other highly admixed populations remain necessary to better evaluate whether the European ancestral component modulates the development of metabolic syndrome in type 1 diabetes.
Binge-eating disorder (BED) is characterized by recurrent episodes of binge eating, accompanied by a lack of control and feelings of shame. Online intervention is a promising, accessible treatment approach for BED. find more In the current study, we compared completers with noncompleters in a 10-session guided internet-based treatment program (iBED) based on cognitive behavioral therapy.
Adults (N = 75) with mild to moderate BED participated in iBED with weekly written support from psychologists. Participants were compared on the Eating Disorder Examination Questionnaire (EDE-Q), diagnostic criteria for BED (BED-Q), major depression inventory (MDI), quality of life (EQ-5D-5L), body mass index (BMI) and sociodemographic variables.
Minor differences were observed between completers and noncompleters on depression. No differences were found in BED-symptoms, BMI, and sociodemographic variables. Participants who completed treatment showed large reductions in eating disorder pathology.
More research is needed to determine risk factors for attrition or treatment outcome in internet-based interventions for BED. It is suggested that iBED is an efficient intervention for BED. However, more studies of internet-interventions are needed.
More research is needed to determine risk factors for attrition or treatment outcome in internet-based interventions for BED. It is suggested that iBED is an efficient intervention for BED. However, more studies of internet-interventions are needed.
The growth of tooth dentin is incremental, so its formation represents a dietary record in early life. With archeological skeletons, applying sequential stable isotope analysis to the horizontal sections of tooth dentin has revealed weaning patterns and dietary changes that took place during childhood. However, the assignment of ages to dentin serial sections (DSSs) is problematic due to the changing extension rate and oblique growth layers of dentin, and these effects have not been quantified. This study presents a mathematical model for investigating the corresponding age range of the horizontal DSSs of human permanent incisors, canines, and molars.
Parameters describing the tooth dentin microstructure were taken from previous studies, and dentin growth patterns were modeled. The model was implemented as the R package MDSS.
The developed model shows that the true corresponding age of the sections differed by a few years on average from the estimated age with equal temporal divisions, that the model gapreviously assumed and that complicated patterns of dietary change blur in the isotopic trajectory of the sections. Alternative experimental methods, such as imaging-assisted oblique sampling, should be used to retrieve an accurate and precise sequential dietary record from tooth dentin.
Eating-related fear and anxiety are hallmark symptoms of eating disorders (EDs). However, it is still unclear which fears are most important (e.g., food, weight gain), which has practical implications, given treatments for eating-related fear necessitate modifications based on the specific fear driving ED pathology. For example, exposure treatments should be optimized based on specific fears that maintain pathology. The current study (N = 1,622 combined clinical ED and undergraduate sample) begins to answer questions on the precise nature of ED fears and how they operate with other ED symptoms.
We used network analysis to create two models of ED fears and symptoms. The first model consisted of ED fears only (e.g., fears of food, fears of weight gain) to identify which fear is most central. The second model consisted of ED fears and ED symptoms to detect how ED fears operate with ED symptoms.
We found fear of disliking how one's body feels due to weight gain, disliking eating in social situations, feeling tense around food, fear of judgment due to weight gain, and food anxiety were the most central ED fears.
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