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8%, p=0.001). PI-RADS Score was the only independent predictor of any and csPCa, either in per patient or per target multivariable regression analysis (all p<0.029). In a subgroup per patient analysis of anterior/transitional zone lesions, csPCa detection rate was significantly higher in the CAD cohort (54.5%vs11.1%, respectively; p=0.028), and CAD assistance was the only predictor of csPCa detection (p=0.013).
CAD assistance for FPB seems to improve detection of csPCa located in anterior/transitional zone. Enhanced identification and improved contouring of lesions may justify higher diagnostic performance.
CAD assistance for FPB seems to improve detection of csPCa located in anterior/transitional zone. Enhanced identification and improved contouring of lesions may justify higher diagnostic performance.
Penile Prosthesis Implantation (PPI), performed with or without adjunct straightening techniques, is one of the available surgical options in cases of Peyronie's disease (PD) with concomitant erectile dysfunction (ED). The aim of the study was to systematically identify and evaluate evidence regarding IPP in patients with PD and ED.
Using Cochrane's methodological recommendations on systematic reviews, we conducted a systematic review of the literature on clinical research regarding the use of PPI, alone or in combination with any straightening maneuvers in the treatment of patients with PD and ED. The search was carried until January 2020. We included studies in English language with primary population patients with PD and ED who underwent IPP with the intent to treat the PD. All studies that were not original clinical research articles, reported insufficient data or included fewer than 5 patients were excluded from the final analysis.
In total 43 clinical articles with more than 2,000 patients (n=2,14.Tau accumulation in the form of neurofibrillary tangles in the brain is a hallmark of tauopathies such as Alzheimer's disease (AD). Tau aggregates accumulate in brain regions in a defined spatiotemporal pattern and may induce the aggregation of native Tau in a prion-like manner. However, the underlying mechanisms of cell-to-cell spreading of Tau pathology are unknown and could involve encapsulation within exosomes, trans-synaptic passage, and tunneling nanotubes (TNTs). We have established a neuronal cell model to monitor both internalization of externally added fibrils, synthetic (K18) or Tau from AD brain extracts, and real-time conversion of microtubule-binding domain of Tau fused to a fluorescent marker into aggregates. We found that these endogenously formed deposits colabel with ubiquitin and p62 but are not recruited to macroautophagosomes, eventually escaping clearance. Furthermore, endogenous K18-seeded Tau aggregates spread to neighboring cells where they seed new deposits. Transfer of Tau aggregates depends on direct cell contact, and they are found inside TNTs connecting neuronal cells. We further demonstrate that contact-dependent transfer occurs in primary neurons and between neurons and astrocytes in organotypic cultures.
Self-expandable metallic stent (SEMS) placement is an urgent procedure for patients with malignant central airway stenoses (CASs) and central airway fistulas (CAFs). The aim of this study was to determine the outcome and survival after SEMS placement in patients with malignant CASs and CAFs.
SEMSs were inserted into 20 patients with malignant CASs and four with malignant CAFs. Hospital records, the modified Medical Research Council dyspnea scale (mMRC) grade, performance status (PS), symptoms, procedure-related complications and survival after placement were retrospectively reviewed.
Spiral Z stents were inserted in nine patients, covered Ultraflex stents in 14, and a bare Ultraflex in one patient. After SEMS placement, 20 patients (83.3%) showed improvement in mMRC grade, 19 (79.2%) showed improvement in PS, and 21 (87.5%) showed improvement in symptoms. There were three patients whose stents migrated out of place, but there were no patients with obstructive granulation, infection, or mucous plugs. Median survival days after stent insertion was 98 days for CAS and 103 days for CAF, and mean survival days was 383 ± 707 days for CAS and 93 ± 33 days for CAF. Two patients with CAS by malignant lymphoma and thymic cancer survived more than six years because they were also treated with efficient therapies. The five-year survival rate after stent insertion was 7.7%.
SEMS placement for CAS and CAF is associated with improvement in mMRC grade, PS and symptoms in 87.5% of patients. Patients with a malignant CAS are usually terminal, but the possibility of increasing survival rate will become a reality with new efficient therapies.
SIGNIFICANT FINDINGS OF THE STUDY Reasonable clinical outcomes and improved survival of patients following SEMS placement for thoracic malignancy with central airway stenosis and fistula.
The possibility of increasing survival rate will become a reality with new efficient therapies.
The possibility of increasing survival rate will become a reality with new efficient therapies.Searching for high-efficiency nonprecious bifunctional electrocatalysts for both hydrogen evolution reaction (HER) and oxygen evolution reaction (OER) is paramount for the advancement of water electrolysis technologies and the associated renewable energy devices. Modulation of electronic structure of an electrocatalyst via heterointerface engineering represents an efficient strategy to improve its electrocatalytic performance. Herein, a feasible hydrothermal synthesis of a novel heterostructured catalyst was demonstrated, comprising CoS2 nanocubes and vertically aligned MoS2 nanosheet arrays directly grown on flexible and conductive carbon cloth (CC) substrate (denoted as CoS2 /MoS2 @CC). Thanks to the elaborate interface engineering and vertically aligned nanosheet arrayed architecture, the resultant self-supported CoS2 /MoS2 @CC electrode possessed enriched exposed active sites, modulated electronic configuration, multidimensional mass transport channels, and outstanding mechanical strength, thereby affording exceptional electrocatalytic performances towards the HER and OER in alkaline electrolyte with overpotentials of 71 and 274 mV at 10 mA cm-2 , respectively. In addition, a two-electrode electrolyzer assembled by CoS2 /MoS2 @CC required a cell voltage of 1.59 V at 10 mA cm-2 with nearly 100 % faradaic efficiency and remarkable durability, showing great potential for scalable and economical water electrolysis.
Sympathetic nervous system plays a central role in the development and persistence of essential hypertension. In recent years renal sympathetic denervation (RSD) has emerged as a promising option for the treatment of patients with hypertension.
We conducted a literature search of PubMed, EMBASE, Cochrane library and Clinicaltrials.gov from inception through April 20, 2020. Outcomes of interest were change in 24-hour ambulatory systolic (ASBP) or diastolic blood pressure (ADBP) and change in office systolic (OSBP) or diastolic blood pressure (ODBP). We pooled data from randomized controlled trials (RCTS) comparing RSD to sham procedures in the management of hypertension using the random effect model.
A total of 1,363 patients from eight studies were included in the current meta-analysis. The mean age of the included patients was 56 ± 2.6 years, 29% were women and the median duration of maximum follow up was 6-month (range 3-12 month). There was more reduction favoring RSD in ASBP (Weighted mean difference [WMD] -3.55; 95% CI -4.91 - -2.19, p < .001, I
= 0%), ADBP (WMD -1.87; 95% CI -3.07 - -0.66, p = .002, I
= 43%), OSBP (WMD -5.5; 95% CI -7.59 - -3.40, p < .001, I
= 7%) and ODBP (WMD -3.20; 95% CI -4.47 - -1.94, p < .001, I
= 14%).
The use of RSD for the management of hypertension resulted in effective reduction in the ambulatory and office blood pressure compared to sham procedure. Adequately powered RCTs of RSD are needed to confirm safety, reproducibility and assess the impact on clinical outcomes.
The use of RSD for the management of hypertension resulted in effective reduction in the ambulatory and office blood pressure compared to sham procedure. Adequately powered RCTs of RSD are needed to confirm safety, reproducibility and assess the impact on clinical outcomes.
To analyze the effects of factors 'composite,' 'medium,' and 'time' on color, translucency, and sorption/solubility of sculptable universal composites for enamel layering upon immersion in colored beverages.
Disk-shaped specimens, 10 mm in diameter and 2 mm thick (n = 5/group), of ultrafine, hybrid composite Essentia (GC), microhybrid Gaenial Anterior (GC), nanofilled Filtek Ultimate Enamel and Body ( 3M ESPE) were immersed in red wine, coffee, or distilled water for 15 days. CIELab color coordinates were measured and CIEDE2000 (∆E
) and Translucency Parameter differences (∆TP
) were calculated. Sorption and solubility were determined according to ISO 40492009. Data were analyzed using the analyses of variance and Tukey's post-hoc test (α = 0.05).
Essentia and Gaenial exhibited the lowest and the highest staining-dependent color differences, with mean ∆E
range of 1.7-6.1 and 5.1-11.3, respectively (p < 0.05). ∆TP
was more pronounced in wine than in coffee (p < 0.05). Sorption and solubilit are directly exposed to discoloration in the oral environment and are directly related to patients' long-term satisfaction and restoration longevity. Ultrafine, hybrid composite may be preferred due to better color stability, lower sorption and solubility compared to nanofilled and microhybrid composites evaluated in this study.The pathogenesis of pulmonary fibrosis (PF) was mediated by the progressive deposition of excessive extracellular matrix, but little is known about the regulatory mechanisms of fibrogenesis by lung pericytes. The mouse PF model was established by treatment with bleomycin, followed by isolation of exosomes from mouse broncho-alveolar lavage fluids by the centrifuge method. Relative mRNA/microRNA levels and protein expression were assessed by qRT-PCR and Western blotting, respectively. The binding of let-7d with gene promoter was validated by dual-luciferase reporter assay. Protein interactions were verified via GST pull-down and co-immunoprecipitation. Nuclear retention of Smad3 was analysed by extraction of cytoplasmic and nuclear fraction of pericytes followed by Western blotting. Association of FoxM1 with gene promoter was detected by EMSA and ChIP-PCR methods. FoxM1 expression is significantly elevated in human lung fibroblasts of PF patients and mouse PF model. The expression of let-7d is repressed in exosomes derived from broncho-alveolar lavage fluids of PF mice. Let-7d or FoxM1 knockdown suppressed the expression of FoxM1, Smad3, β-catenin, Col1A and α-SMA expression in mouse lung pericytes under TGF-β1 treatment. FoxM1 overexpression elevated above gene expression in mouse lung pericytes under TGF-β1 treatment. Let-7d directly targets TGFβRI to regulate FoxM1 and downstream gene expression in mouse lung pericytes. FoxM1 directly interacts with Smad3 proteins to promote Smad3 nuclear retention and binds with β-catenin promoter sequence to promote fibrogenesis. Exosomes with low let-7d from pulmonary vascular endothelial cells drive lung pericyte fibrosis through activating the TGFβRI/FoxM1/Smad/β-catenin signalling pathway.
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