554 research outputs found
Prioritizing Clinically Significant Lung Cancer Somatic Mutations for Targeted Therapy Through Efficient NGS Data Filtering System
In the realm of lung cancer treatment, where genetic heterogeneity presents formidable challenges, precision oncology demands an exacting approach to identify and hierarchically sort clinically significant somatic mutations. Current Next-Generation Sequencing (NGS) data filtering pipelines, while utilizing various external databases for mutation screening, often fall short in comprehensive integration and flexibility needed to keep pace with the evolving landscape of clinical data. Our study introduces a sophisticated NGS data filtering system, which not only aggregates but effectively synergizes diverse data sources, encompassing genetic variants, gene functions, clinical evidence, and an extensive body of literature. This system is distinguished by a unique algorithm that facilitates a rigorous, multi-tiered filtration process. This allows for the efficient prioritization of 420 genes and 1,193 variants from large datasets, with a particular focus on 80 variants demonstrating high clinical actionability. These variants have been aligned with FDA approvals, NCCN guidelines, and thoroughly reviewed literature, thereby equipping oncologists with a refined arsenal for targeted therapy decisions. The innovation of our system lies in its dynamic integration framework and its algorithm, tailored to emphasize clinical utility and actionability-a nuanced approach often lacking in existing methodologies. Our validation on real-world lung adenocarcinoma NGS datasets has shown not only an enhanced efficiency in identifying genetic targets but also the potential to streamline clinical workflows, thus propelling the advancement of precision oncology. Planned future enhancements include expanding the range of integrated data types and developing a user-friendly interface, aiming to facilitate easier access to data and promote collaborative efforts in tailoring cancer treatments
Linking Social Media Use to Leader-Follower Relationships: The Roles of Perceived Social Support and Secure Attachment
Social media present a critical role in changing and transforming workplace relationships. Drawing upon theories of Conservation of Resources and Sense-Making, this study purposes to develop a theoretical framework to describe the impact of leaders’ social media use on leader-member guanxi. We specifically propose the mediating roles of perceived social support and secure attachment, and the moderating effect of task interdependence in this relationship. This study not only contributes to research on social media in interpreting how social media improve leader-member guanxi, but also assists practitioners in interpreting and developing strategies related to social media within organizations
Compact Indexes Based on Core Content in Personal Dataspace Management System
A Personal DataSpace Management System is a platform to manage personal data with heterogeneous data types, in which keyword query is a primary query form for users who know little about the structure of the dataspace. Unlike exploratory queries in web search, a user in a personal dataspace usually has a specific search target and wants to find some known items in mind. To improve result quality in terms of query relevance in a personal dataspace, we propose the concept of compact index in this paper. We refer to the most important and representative semantics from documents as core content, and build compact index on it. We propose algorithm for selecting core content from a document based on semantic analysis, which can process English and Chinese documents uniformly. Furthermore, a software platform named Versatile is introduced for flexible personal data management, in which core content is extracted for building compact indexes and generating query-biased snippet efficiently and accurately. Finally, extensive experiments have been conducted to show the effectiveness and feasibility of compact indexes in personal dataspace management system
A cross-culture, cross-gender comparison of perspective taking mechanisms
Being able to judge another person's visuo-spatial perspective is an essential social skill, hence we investigated the generalizability of the involved mechanisms across cultures and genders. Developmental, cross-species, and our own previous research suggest that two different forms of perspective taking can be distinguished, which are subserved by two distinct mechanisms. The simpler form relies on inferring another's line-of-sight, whereas the more complex form depends on embodied transformation into the other's orientation in form of a simulated body rotation. Our current results suggest that, in principle, the same basic mechanisms are employed by males and females in both, East-Asian (EA; Chinese) and Western culture. However, we also confirmed the hypothesis that Westerners show an egocentric bias, whereas EAs reveal an other-oriented bias. Furthermore, Westerners were slower overall than EAs and showed stronger gender differences in speed and depth of embodied processing. Our findings substantiate differences and communalities in social cognition mechanisms across genders and two cultures and suggest that cultural evolution or transmission should take gender as a modulating variable into account
Digital Solutions Observed in Clinical Trials: A Formative Feasibility Scoping Review
Growing digital access accelerates digital transformation of clinical trials where digital solutions (DSs) are increasingly and widely leveraged for improving trial efficiency, effectiveness, and accessibility. Many factors impact DS success including technology barriers, privacy concerns, or user engagement activities. It is unclear how those factors are considered or reported in the literature. Here, we perform a formative feasibility scoping review to identify gaps impacting DS quality and reproducibility in trials. Articles containing digital terms published in English from 2009 to 2022 were collected (n=4,167). 130 articles published between 2016 and 2022 were randomly selected for full-text review. Eligible articles (n=100) were sorted into four identified categories: 16% Education, 59% Intervention, 8% Patient, 17% Treatment. Initial findings about DS trends and reporting practices inform protocol development for a large-scale study urging the generation of fundamental knowledge on reporting standardization, best practice guidelines, and evaluation methodologies related to DS for clinical trials
GRU-D-Weibull: A Novel Real-Time Individualized Endpoint Prediction
Accurate prediction models for individual-level endpoints and
time-to-endpoints are crucial in clinical practice. In this study, we propose a
novel approach, GRU-D-Weibull, which combines gated recurrent units with decay
(GRU-D) to model the Weibull distribution. Our method enables real-time
individualized endpoint prediction and population-level risk management. Using
a cohort of 6,879 patients with stage 4 chronic kidney disease (CKD4), we
evaluated the performance of GRU-D-Weibull in endpoint prediction. The C-index
of GRU-D-Weibull was ~0.7 at the index date and increased to ~0.77 after 4.3
years of follow-up, similar to random survival forest. Our approach achieved an
absolute L1-loss of ~1.1 years (SD 0.95) at the CKD4 index date and a minimum
of ~0.45 years (SD0.3) at 4 years of follow-up, outperforming competing methods
significantly. GRU-D-Weibull consistently constrained the predicted survival
probability at the time of an event within a smaller and more fixed range
compared to other models throughout the follow-up period. We observed
significant correlations between the error in point estimates and missing
proportions of input features at the index date (correlations from ~0.1 to
~0.3), which diminished within 1 year as more data became available. By
post-training recalibration, we successfully aligned the predicted and observed
survival probabilities across multiple prediction horizons at different time
points during follow-up. Our findings demonstrate the considerable potential of
GRU-D-Weibull as the next-generation architecture for endpoint risk management,
capable of generating various endpoint estimates for real-time monitoring using
clinical data.Comment: 30 pages, 7 figures, 4 supplementary figure
Rhythm makes the world go round:an MEG-TMS study on the role of right TPJ theta oscillations in embodied perspective taking
While some aspects of social processing are shared between humans and other species, some aspects are not. The former seems to apply to merely tracking another's visual perspective in the world (i.e., what a conspecific can or cannot perceive), while the latter applies to perspective taking in form of mentally “embodying” another's viewpoint. Our previous behavioural research had indicated that only perspective taking, but not tracking, relies on simulating a body schema rotation into another's viewpoint. In the current study we employed Magnetoencephalography (MEG) and revealed that this mechanism of mental body schema rotation is primarily linked to theta oscillations in a wider brain network of body-schema, somatosensory and motor-related areas, with the right posterior temporo-parietal junction (pTPJ) at its core. The latter was reflected by a convergence of theta oscillatory power in right pTPJ obtained by overlapping the separately localised effects of rotation demands (angular disparity effect), cognitive embodiment (posture congruence effect), and basic body schema involvement (posture relevance effect) during perspective taking in contrast to perspective tracking. In a subsequent experiment we interfered with right pTPJ processing using dual pulse Transcranial Magnetic Stimulation (dpTMS) and observed a significant reduction of embodied processing. We conclude that right TPJ is the crucial network hub for transforming the embodied self into another's viewpoint, body and/or mind, thus, substantiating how conflicting representations between self and other may be resolved and potentially highlighting the embodied origins of high-level social cognition in general
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