Zimmermanstorm2004
Research in psychophysics argues that incentivized sensorimotor decisions (such as deciding where to reach to get a reward) maximize expected gain, suggesting that these decisions may be impervious to cognitive biases and heuristics. We tested this hypothesis in two experiments, directly comparing the predictive accuracy of an optimal model and plausible suboptimal models. We obtained strong evidence that people deviated from the optimal strategy by excessively avoiding loss regions when the potential loss was zero and failing to shift far enough away from loss regions when potential losses outweighed the potential gains. Although allowing nonlinear distortions of value and probability information improved the fit of value-maximizing models, behavior was best described by a model encapsulating a simple heuristic strategy. This suggests that visuomotor decisions are likely influenced by biases and heuristics observed in more classical economic decision-making tasks.In this paper, the effect of ultraviolet (UV) irradiation on the static characteristics of high voltage 4H-SiC PiN is investigated. No significant change is observed in the forward on state characteristic of 4H-SiC PiN diodes before and after ultraviolet light irradiation. However, it is found that the blocking voltage is significantly increased with UV irradiation, which is resulted from the depletion region width extension with the collection of positive charges under the increase of the surface negative charge density. The deep level transient spectroscopy reveals that the UV irradiation induced deep-level defects play a dominant role over the trapped negative charges, and therefore leads to the increase of blocking voltage of 4H-SiC PiN Diodes.Long non-coding RNAs (lncRNAs) are a kind of translational-repressor RNAs composed of more than 200 nucleotides and formerly considered as "transcriptional noise". Recently studies have shown that lncRNAs could bind to multiple biomolecules such as DNA, transcription factors, RNA, chromatin complexes and proteins, and regulate target gene expression at multi-levels, thus playing an essential role in human tumors. DLX6-AS1, a recently discovered oncogenic lncRNA, is highly expressed in various human tumors, including lung cancer, liver cancer and pancreatic cancer. This paper mainly reviewed the regulatory mechanism of DLX6-AS1 as a competitive endogenous RNA (ceRNA) in tumor cell proliferation, cell apoptosis, angiogenesis, epithelial-mesenchymal transformation, chemotherapy resistance and metabolic changes. Furthermore, the translational value of DLX6-AS1 in cancer was also elucidated, which suggested its potential as a diagnostic or prognostic biomarker in cancer. In summary, this present article not only makes an in-depth analysis of the expression changes and carcinogenic mechanism of DLX6-AS1 in various human cancers, but also provides a new breakthrough for the diagnosis and treatment of cancers.Depression and diabetes are two of the most common health conditions experienced by those from Latino backgrounds. 3-Methyladenine chemical structure However, community-based stigma toward these health conditions may discourage those experiencing symptoms of depression or diabetes from seeking professional assistance. To assess stigma in the Latino community toward these common health conditions, a community-based sample of 469 Latino participants in a major urban area in the [Southwestern United States - Houston, TX] completed a face-to-face survey using an experimental vignette methodology. Participants were asked to name the problem that the subject of the vignette was experiencing based on the symptoms described in the vignette. This survey also inquired about public stigma toward individuals experiencing symptoms of depression and/or diabetes. Results indicate that although the majority (60%) of the sample were able to correctly identify symptoms of depression, it was more difficult for them to identify symptoms of depression with co-occurring diabetes. Overall levels of public stigma toward those experiencing depression were moderate, and co-occurring symptoms of diabetes did not moderate stigma toward those experiencing depression. These findings indicate a need for intervention approaches within the Latino community to increase health literacy related to depression and type 2 diabetes, as well as an ongoing need to reduce stigma toward those experiencing symptoms of depression. Implications for future research, practice, and health promotion are discussed.
Osteosarcomas (OS) are frequent primary sarcomas of the bone in children and adolescents. The long non-coding RNAs (lncRNAs) can affect the progression of many cancers by their sense transcripts. The present study was designed to probe the role of ZMIZ1-AS1 and the downstream pathway in OS progression.
Cell proliferation, invasion, and migration were detected by colony formation, transwell, and wound healing assays. The binding of SOX2 or MYC protein with ZMIZ1-AS1 promoter was explored by ChIP assay and dual-luciferase reporter assay. link2 Interaction between PTBP1 protein and ZMIZ1-AS1 (or ZMIZ1 mRNA) was detected by RIP assay.
SOX2 and MYC are the downstream effectors of the Hippo pathway and transcriptionally activated ZMIZ1-AS1. Compared to the controls, OS tissues and cells contained higher ZMIZ1-AS1 expression. Silencing of ZMIZ1-AS1 repressed OS cell viability, proliferation, migration, and invasion. Our findings further showed that ZMIZ1-AS1 recruits RNA-binding protein PTBP1 to stabilize ZMIZ1 mRNAZMIZ1-AS1 promotes osteosarcoma cell viability, proliferation, migration, and invasion by ZMIZ1 in a PTBP1 dependent manner.
Experimental evidence has revealed that phosphodiesterase five inhibitors (PDE5is) increase epithelial barrier function and suppress intestinal carcinogenesis. Few epidemiological studies have investigated the role of PDE5i in increasing the risk of colorectal cancer (CRC); however, these studies have proffered varying conclusions. We therefore aimed to perform a comprehensive review and meta-analysis to investigate whether PDE5i use is associated with the incidence of CRC.
Databases, namely, PubMed, Scopus, Embase, and Web of Science, were used for literature search. Observational studies (published until January 31, 2021) that assessed the association of PDE5i use with CRC incidence were considered. Pooled relative risk (RR) estimates and corresponding 95% confidence intervals (CIs) were calculated using the DerSimonian-Laird random-effects model.
We identified four retrospective studies that involved 965,044 participants and 3,518 CRC cases detected during a mean follow-up of 12.7years. Pooled results indicated a significantly reduced CRC risk among all PDE5i users (RR, 0.85; 95% CI, 0.76-0.95; P = 0.004, I
= 63%). Moreover, continuous use of PDE5i was associated with a significantly reduced risk of CRC (RR, 0.63; 95% CI, 0.59-0.68; P < 0.001, I
= 0.0%). However, the type of PDE5i exhibited no association with the risk of CRC (RR, 1.00; 95% CI, 0.98-1.02; I
= 84.7%).
Our findings suggest that continuous use of PDE5i was associated with a significantly reduced risk of CRC development. Future studies with a longitudinal design and adequate control of confounding factors are required to clarify whether a longer duration of PDE5i use alters the risk of CRC.
Our findings suggest that continuous use of PDE5i was associated with a significantly reduced risk of CRC development. Future studies with a longitudinal design and adequate control of confounding factors are required to clarify whether a longer duration of PDE5i use alters the risk of CRC.Maximum intensity projection (MIP) technology is a computer visualization method that projects three-dimensional spatial data on a visualization plane. According to the specific purposes, the specific lab thickness and direction can be selected. This technology can better show organs, such as blood vessels, arteries, veins, and bronchi and so forth, from different directions, which could bring more intuitive and comprehensive results for doctors in the diagnosis of related diseases. However, in this traditional projection technology, the details of the small projected target are not clearly visualized when the projected target is not much different from the surrounding environment, which could lead to missed diagnosis or misdiagnosis. Therefore, it is urgent to develop a new technology that can better and clearly display the angiogram. However, to the best of our knowledge, research in this area is scarce. To fill this gap in the literature, in the present study, we propose a new method based on the hybrid of convolutional neural network (CNN) and radial basis function neural network (RBFNN) to synthesize the projection image. We first adopted the U-net to obtain feature or enhanced images to be projected; subsequently, the RBF neural network performed further synthesis processing for these data; finally, the projection images were obtained. For experimental data, in order to increase the robustness of the proposed algorithm, the following three different types of datasets were adopted the vascular projection of the brain, the bronchial projection of the lung parenchyma, and the vascular projection of the liver. In addition, radiologist evaluation and five classic metrics of image definition were implemented for effective analysis. Finally, compared to the traditional MIP technology and other structures, the use of a large number of different types of data and superior experimental results proved the versatility and robustness of the proposed method.We aimed to assess the feasibility of three-dimensional (3D) segmentation and to investigate whether semi-quantitative dynamic contrast-enhanced magnetic resonance imaging (DCE-MRI) parameters are associated with traditional prognostic factors for breast cancer. In addition, we evaluated whether both intra-tumoural and peri-tumoural DCE parameters can differentiate the breast cancers that are more aggressive from those that are less aggressive. Consecutive patients with newly diagnosed invasive breast cancer and structural breast MRI (3.0 T) were included after informed consent. Fifty-six patients (mean age, 57 years) with mass lesions of > 7 mm in diameter were included. A semi-automatic image post-processing algorithm was developed to measure 3D pharmacokinetic information from the DCE-MRI images. The kinetic parameters were extracted from time-signal curves, and the absolute tissue contrast agent concentrations were calculated with a reference tissue model. Markedly, higher intra-tumoural and peri-tumoural tissue concentrations of contrast agent were found in high-grade tumours (n = 44) compared to low-grade tumours (n = 12) at every time point (P = 0.006-0.040), providing positive predictive values of 90.6-92.6% in the classification of high-grade tumours. The intra-tumoural and peri-tumoural signal enhancement ratios correlated with tumour grade, size, and Ki67 activity. The intra-observer reproducibility was excellent. link3 We developed a model to measure the 3D intensity data of breast cancers. Low- and high-grade tumours differed in their intra-tumoural and peri-tumoural enhancement characteristics. We anticipate that pharmacokinetic parameters will be increasingly used as imaging biomarkers to model and predict tumour behavior, prognoses, and responses to treatment.