Oglerussell1483
Decades after the introduction of 5α-reductase inhibitors and α1-adrenoceptor antagonists, new data of practical relevance related to their desired and adverse effects continues to emerge. Some of these novel findings are to be taken seriously but are insufficiently established, for instance associations between drug use and depression or dementia. Multiple combination treatments have been tested. While combination treatment was often statistically superior to monotherapy, the difference was mostly in the range of 1 IPSS point, which raises doubts on the clinical relevance of the findings at the group level. The new evidence enables further personalisation of the treatment of male lower urinary tract dysfunction, but also makes individual risk-benefit considerations more complex.The quality of life in urticaria strongly corresponds with the subjective perception and the localization of the wheals. Guidelines should take impairment of health-related quality of life much stronger into their considerations, than the rigid classification of acute and chronic spontaneous urticaria along the 6 week division.Polygenic scores (PGS) are important tools for carrying out genetic prediction of common diseases and disease related complex traits, facilitating the development of precision medicine. Unfortunately, despite the critical importance of PGS and the vast number of PGS methods recently developed, few comprehensive comparison studies have been performed to evaluate the effectiveness of PGS methods. To fill this critical knowledge gap, we performed a comprehensive comparison study on 12 different PGS methods through internal evaluations on 25 quantitative and 25 binary traits within the UK Biobank with sample sizes ranging from 147 408 to 336 573, and through external evaluations via 25 cross-study and 112 cross-ancestry analyses on summary statistics from multiple genome-wide association studies with sample sizes ranging from 1415 to 329 345. We evaluate the prediction accuracy, computational scalability, as well as robustness and transferability of different PGS methods across datasets and/or genetic ancestries, providing important guidelines for practitioners in choosing PGS methods. Besides method comparison, we present a simple aggregation strategy that combines multiple PGS from different methods to take advantage of their distinct benefits to achieve stable and superior prediction performance. To facilitate future applications of PGS, we also develop a PGS webserver (http//www.pgs-server.com/) that allows users to upload summary statistics and choose different PGS methods to fit the data directly. We hope that our results, method and webserver will facilitate the routine application of PGS across different research areas.There is a limited understanding of age differences in functional connectivity during memory encoding. In the present study, a sample of cognitively healthy adult participants (n = 488, 18-81 years), a subsample of whom had longitudinal cognitive and brain structural data spanning on average 8 years back, underwent functional magnetic resonance imaging while performing an associative memory encoding task. We investigated (1) age-related differences in whole-brain connectivity during memory encoding; (2) whether encoding connectivity patterns overlapped with the activity signatures of specific cognitive processes, and (3) whether connectivity associated with memory encoding related to longitudinal brain structural and cognitive changes. Age was associated with lower intranetwork connectivity among cortical networks and higher internetwork connectivity between networks supporting higher level cognitive functions and unimodal and attentional areas during encoding. Task-connectivity between mediotemporal and posterior parietal regions-which overlapped with areas involved in mental imagery-was related to better memory performance only in older age. The connectivity patterns supporting memory performance in older age reflected preservation of thickness of the medial temporal cortex. The results are more in accordance with a maintenance rather than a compensation account.
Is periconceptional maternal smoking associated with embryonic morphological development in ongoing pregnancies?
Smoking during the periconceptional period is associated with a delayed embryonic morphological development which is not fully recuperated beyond the first trimester of pregnancy.
Smoking during pregnancy decreases prenatal growth, increasing the risk of preterm birth, small for gestational age (GA) and childhood obesity.
Between 2010 and 2018, 689 women with ongoing singleton pregnancies were periconceptionally enrolled in a prospective cohort study with follow-up until 1 year after delivery.
Between 7 + 0 and 10 + 3 weeks, GA serial three-dimensional transvaginal ultrasound scans were performed. Embryonic morphological development as assessed by the Carnegie developmental stages was evaluated using Virtual Reality techniques. In the absence of fetal morphology classification methods beyond the embryonic period, fetal ultrasound measurements at around 20 weeks' GA, and birth weight were ore research is warranted to assess the association between periconceptional smoking cessation and embryonic development.
The work was funded by the Department of Obstetrics and Gynaecology, Erasmus MC, University Medical Centre, Rotterdam, The Netherlands. The authors declare no conflicts of interest.
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N/A.Significant variations in brain functional connectivity exist in the healthy population, rendering the identification and characterization of their abnormalities in neuropsychiatric disorders difficult. Here, we proposed a new principal component analysis (PCA) approach to study variations in functional connectivity, focusing on major hubs of the salience network and default mode network, namely the anterior and posterior cingulate cortices. We analyzed the intersubject variability of human functional magnetic resonance imaging connectivity obtained from healthy, autistic, and schizophrenic subjects. Utilizing data from 1000 Functional Connectomes Project, COBRE, and ABIDE 1 database, we characterized the normal variations of the cingulate cortices with respect to top PCA dimensions. We showed that functional connectivity variations of the 2 cingulate cortices are constrained, in a parallel manner, by competing or cooperating interactions with different sensorimotor, associative, and limbic networks. In schizophrenic and autistic subjects, diffuse and subtle network changes along the same dimensions were found, which suggest significant behavioral implications of the variational dimensions. Furthermore, we showed that individual dynamic functional connectivity tends to fluctuate along the principal components of connectivity variations across individuals. Our results demonstrate the strength of this new approach in addressing the intrinsic variations of network connectivity in human brain and identifying their subtle changes in neuropsychiatric disorders.Mindfulness-based practices for school-aged children are increasingly common in the United States. Positive and negative affect are theoretically and empirically associated with school outcomes, and these constructs are likely to be impacted by school-based mindfulness practices. Furthermore, mindful states, such as being calm and focused, targeted by mindfulness-based practices are a potential causal mechanism to improve learning and behavior. This study describes a test of longitudinal factorial invariance for a brief measure of affect states plus a state of calm focus that is appropriate for use in mindfulness intervention studies with elementary school-aged children. Data were collected from 97 fourth-grade students in an urban elementary school that was about 46% Hispanic and 44% White. Students listened to one of six different conditions each day for 24 school days There were four individual mindfulness modules (cross-connect, pause buttons, belly breathing, and mindful minute), one condition that included all four of the modules together, and one condition that was a control activity (a grade-appropriate story presented via audiorecording). Students provided self-report of positive and negative emotions plus calm focus immediately before and after the presentation of the audio. Results showed high levels of internal consistency for the scales, low correlations between scales, and factorial invariance in the pre- and post-test design for five of the six conditions. These findings support the use of this measure in studies with older elementary school students. Future studies should further document construct validity through external validation of the scales.Surface enhanced Raman spectroscopy (SERS) has emerged as a promising tool for the rapid and ultrasensitive recognition of trace amounts of environmental pollutants. Hierarchical SERS substrates usually show superior performance to single-component substrates but require complicated preparation protocols. Herein, a facile, robust and low-cost route for the fabrication of hierarchical SERS substrates has been reported, in which no complicated laborious protocols or sophisticated equipment is needed. In the hierarchical SERS substrate, Au nanorods were distributed onto the network of Ag nanowires through evaporation induced self-assembly. The density of the Au nanorods and Ag nanowires could be easily tailored by tuning the number of droplets of gold nanorod solution and the concentration of silver nanowire solution. selleckchem The nanogaps formed between Au nanorods and Ag nanowires were able to induce a rich enhanced electromagnetic field area via localized surface plasmon resonances and surface plasmon polaritons to achieve amplification of the Raman signal. The as-prepared substrate showed high uniformity and was capable of identifying 10-12 M rhodamine 6G, 10-10 M thiram and 10-10 M crystal violet, with correlation coefficients (R2) all higher than 0.98. This approach can be employed for the detection of trace dyes, pesticides or other environmental pollutants with high sensitivity and uniformity.
Traditional Chinese medicine Shengxuebao Mixture (SXBM) has been approved for treating iron deficiency anemia (IDA) in China. This study aimed to collect evidence and quantify the effect of SXBM on IDA.
Seven online databases were surveyed up to July 13, 2021. Randomized controlled trials in which SXBM was combined with conventional therapies to treat IDA and compared with placebo or conventional therapies were included in the study. The red blood cell (RBC) count, hemoglobin (Hb) level, serum ferritin (SF) level, and adverse events rate (AER) were evaluated.
A total of 1,108 patients from 8 trials were recruited. SXBM plus conventional therapy increased the Hb level (mean difference [MD] = 13.04, 95% confidence interval [CI] 8.37-17.7, p < 0.00001), RBC count (MD = 0.41, 95% CI 0.19-0.62, p = 0.002), SF level (MD = 6.25, 95% CI 2.88-9.62, p = 0.0003), and AER (risk ratio = 0.56, 95% CI 0.36-0.86; p = 0.008).
SXBM combined with conventional treatment seemed to be beneficial for patients with IDA. However, the harmlessness of SXBM was not confirmed due to insufficient trials and low methodological quality. Follow-up clinical studies should be cautiously designed, and more research is needed.
SXBM combined with conventional treatment seemed to be beneficial for patients with IDA. However, the harmlessness of SXBM was not confirmed due to insufficient trials and low methodological quality. Follow-up clinical studies should be cautiously designed, and more research is needed.