bluuebunny/crossref_metadata_2025_split huggingface dataset:
Identification of mitophagy-related biomarkers in human osteoporosis based on a machine learning model
Authors: Su Yu , Yu Gangying , Li Dongchen , Lu Yao , Ren Cheng , Xu Yibo , Yang Yanling , Zhang Kun , Ma Teng , Li Zhong 
Published: January 2024

Background: Osteoporosis (OP) is a chronic bone metabolic disease and a serious global public health problem. Several studies have shown that mitophagy plays an important role in bone metabolism disorders; however, its role in osteoporosis remains unclear.Methods: The Gene Expression Omnibus (GEO) database was used to download GSE56815, a dataset containing low and high BMD, and differentially expressed genes (DEGs) were analyzed. Mitochondrial autophagy-related genes (MRG) were downloaded from the existing literature, and highly correlated MRG were screened by bioinformatics methods. The results from both were taken as differentially expressed (DE)-MRG, and Gene Ontology (GO) analysis and Kyoto Encyclopedia of Genes and Genomes (KEGG) enrichment analysis were performed. Protein-protein interaction network (PPI) analysis, support vector machine recursive feature elimination (SVM-RFE), and Boruta method were used to identify DE-MRG. A receiver operating characteristic curve (ROC) was drawn, a nomogram model was constructed to determine its diagnostic value, and a variety of bioinformatics methods were used to verify the relationship between these related genes and OP, including GO and KEGG analysis, IP pathway analysis, and single-sample Gene Set Enrichment Analysis (ssGSEA). In addition, a hub gene-related network was constructed and potential drugs for the treatment of OP were predicted. Finally, the specific genes were verified by real-time quantitative polymerase chain reaction (RT-qPCR).Results: In total, 548 DEGs were identified in the GSE56815 dataset. The weighted gene co-expression network analysis(WGCNA) identified 2291 key module genes, and 91 DE-MRG were obtained by combining the two. The PPI network revealed that the target gene for AKT1 interacted with most proteins. Three MRG (NELFB, SFSWAP, and MAP3K3) were identified as hub genes, with areas under the curve (AUC) 0.75, 0.71, and 0.70, respectively. The nomogram model has high diagnostic value. GO and KEGG analysis showed that ribosome pathway and cellular ribosome pathway may be the pathways regulating the progression of OP. IPA showed that MAP3K3 was associated with six pathways, including GNRH Signaling. The ssGSEA indicated that NELFB was highly correlated with iDCs (cor = −0.390, p &lt; 0.001). The regulatory network showed a complex relationship between miRNA, transcription factor(TF) and hub genes. In addition, 4 drugs such as vinclozolin were predicted to be potential therapeutic drugs for OP. In RT-qPCR verification, the hub gene NELFB was consistent with the results of bioinformatics analysis.Conclusion: Mitophagy plays an important role in the development of osteoporosis. The identification of three mitophagy-related genes may contribute to the early diagnosis, mechanism research and treatment of OP.
Conserved plant transcriptional responses to microgravity from two consecutive spaceflight experiments
Authors: Land Eric S. , Sheppard James , Doherty Colleen J. , Perera Imara Y. 
Published: January 2024

IntroductionUnderstanding how plants adapt to the space environment is essential, as plants will be a valuable component of long duration space missions. Several spaceflight experiments have focused on transcriptional profiling as a means of understanding plant adaptation to microgravity. However, there is limited overlap between results from different experiments. Differences in experimental conditions and hardware make it difficult to find a consistent response across experiments and to distinguish the primary effects of microgravity from other spaceflight effects.MethodsPlant Signaling (PS) and Plant RNA Regulation (PRR) were two separate spaceflight experiments conducted on the International Space Station utilizing the European Modular Cultivation System (EMCS). The EMCS provided a lighted environment for plant growth with centrifugal capabilities providing an onboard 1 g control.Results and discussionAn RNA-Seq analysis of shoot samples from PS and PRR revealed a significant overlap of genes differentially expressed in microgravity between the two experiments. Relative to onboard 1 g controls, genes involved in transcriptional regulation, shoot development, and response to auxin and light were upregulated in microgravity in both experiments. Conversely, genes involved in defense response, abiotic stress, Ca++ signaling, and cell wall modification were commonly downregulated in both datasets. The downregulation of stress responses in microgravity in these two experiments is interesting as these pathways have been previously observed as upregulated in spaceflight compared to ground controls. Similarly, we have observed many stress response genes to be upregulated in the 1 g onboard control compared to ground reference controls; however these genes were specifically downregulated in microgravity. In addition, we analyzed the sRNA landscape of the 1 g and microgravity (μ g) shoot samples from PRR. We identified three miRNAs (miR319c, miR398b, and miR8683) which were upregulated in microgravity, while several of their corresponding target genes were found to be downregulated in microgravity. Interestingly, the downregulated target genes are enriched in those encoding chloroplast-localized enzymes and proteins. These results uncover microgravity unique transcriptional changes and highlight the validity and importance of an onboard 1 g control.
Characterization of Larix decidua Mill. (Pinaceae) oleoresin’s essential oils composition using GC-MS
Authors: Batista João V. C. , Melo Michelle Nonato de Oliveira , Holandino Carla , Maier Jakob , Huwyler Jörg , Baumgartner Stephan , Boylan Fabio 
Published: January 2024

IntroductionLarch oleoresin has been described regarding several biological activities and medicinal applications, such as wound healing and treatment of ulcers, but little is known about its chemical composition.Material and methodsEight oleoresins from Larix decidua Mill. obtained from four companies and one adulterated control were therefore investigated to determine their content of essential oils and to verify possible differences in their composition in relation to the harvest and manufacturing processes. Essential oils (EOs) were isolated by distillation and the yield was analysed.Results and discussionThe yield of EO varied among all samples. The yield of the pure larch samples covered a range of 7.8% to 15.5%. A higher yield (19.0%) was observed for adulterated control, which contained oleoresins from different Pinaceae trees. Age of samples had no impact on yield. However, there was a significant statistical variation (p&lt;0.05) in the yields of the mid-summer oleoresins (&gt;10%) compared to early or late summer (&lt;10%), emphasising the importance of the time of collection. Samples were subsequently analysed by GC-MS. EO samples confirmed the presence of various chemical classes, such as monoterpenes, sesquiterpenes, and diterpenes. α-pinene was the compound with the highest concentrations (&gt;50%), followed by β-pinene (&gt;6%), D-limonene (&gt;2.5%), α-terpineol (&gt;0.9%), β-myrcene (&gt;0.2%), and 3-carene (&gt;0.05%). Samples were grouped using multivariate data analysis (MVDA) with respect to the chemical variation between the oleoresins’ EOs. The resulting four clusters were named low (low yield obtained for the samples), mixed (mixed oleoresin from different Pinaceae species, adulteration control), old (old oleoresin kept in the institute), and normal (other oleoresins) samples, each presenting distinct chemical biomarkers. There were considerable differences between site and time of collection. Essential oil yield did not always meet requirements as defined by the German Homeopathic Pharmacopoeia. In addition, adulterated or aged samples could be identified as compared to pure and fresh larch oleoresins.ConclusionWe conclude that larch oleoresin used for pharmaceutical applications has to be carefully analysed and standardised to guarantee reproducible product quality.
Development and psychometric testing of a pediatric chronic graft-versus-host disease symptom scale: protocol for a two-phase, mixed methods study
Authors: Mitchell Sandra A. , Hunter Rachael , Fry Abigail , Pavletic Steven Z. , Widemann Brigitte C. , Wiener Lori 
Published: January 2024

BackgroundChronic graft-versus-host disease (cGVHD) is a debilitating late complication of hematopoietic stem cell transplantation. It is often accompanied by extensive symptom burden. No validated cGVHD patient-reported outcome (PRO) measure exists to evaluate cGVHD symptom bother in children and adolescents younger than 18 years. This paper presents the study protocol for a multi-center, two-phase protocol to develop a psychometrically valid pediatric cGVHD Symptom Scale (PCSS) and a companion caregiver-proxy measure to capture the symptom burden experienced by children with cGVHD. In the first phase of the study, our aim is to evaluate the comprehension, clarity and ease of response of the PCSS through cognitive interviewing and to iteratively refine the measure to optimize content validity. In the second phase of the study, we will quantitatively examine the measurement properties of the PCSS in children and their caregiver-proxies.Methods and analysisEligible participants are children/adolescents ages 5–17 with cGVHD who are receiving systemic immunosuppressive treatment or have recently tapered to discontinuation. In the first phase, we are enrolling 60 child and caregiver-proxy dyads in three child age strata (5–7, 8–12, and 13–17 years old). Semi-scripted cognitive debriefing interviews are conducted to assess comprehension, clarity, and ease of response of each PCSS item with the child alone, and then jointly with the caregiver-proxy to explore discordant ratings. In phase two, an age-stratified cohort of 120 child-caregiver dyads will be enrolled to evaluate test–retest reliability, construct validity, and responsiveness. Anchors for known-groups validity include the PedsQL module and clinical variables, including cGVHD clinician-rated severity scores. In participants ages 13–17, we will also compare responses on the PCSS with those from the Lee cGVHD Symptom Scale, to gauge the youngest age at which adolescent respondents can comprehend this adult measure.DiscussionThis study will yield a well-validated, counterpart measure to the Lee cGVHD Symptom Scale for use in children with cGVHD and their caregiver-proxies. This new patient-reported outcome measure can be integrated into clinical trials and care delivery for pediatric transplant survivors to improve the precision and accuracy with which their cGVHD symptom experience is captured.Clinical trial registrationwww.ClinicalTrials.gov, NCT04044365.
How followers’ perception of followership prototype–traits fit impacts their job performance: a moderated polynomial regression analysis
Authors: Yu Jing , Feng Jian 
Published: January 2024

IntroductionPrevious studies about the drivers of follower performance focused on leadership, and most followership studies have used a single perspective to investigate this topic from the followers’ lens. Therefore, the purpose of this study is to explore whether, how, and when followers’ perception of followership prototype–traits fit influences their job performance.MethodsThe study adopted a questionnaire survey (Study 1) and a scenario experiment (Study 2). First, in the questionnaire survey, we collected 72 leaders and 262 followers from 72 teams of 14 companies in China using a two–wave research design. Second, in the scenario experiment, we invited 160 undergraduates from a university in southwest China to participate in the experiment after verifying the effectiveness of the manipulated materials.Results(1) compared with the misfit, followership prototype–traits fit is more likely to stimulate followers’ taking charge; (2) compared with low levels of fit, high-level followership prototype–traits fit is more likely to stimulate followers’ taking charge; (3) compared with high followership prototype and low followership traits condition, low followership prototype and high followership traits condition is more likely to stimulate followers’ taking charge; (4) followers’ taking charge mediates the impact of the followership prototype–traits fit on followers’ job performance; and (5) the impact of followership prototype–traits fit on followers’ taking charge is more salient for male followers than for female followers.DiscussionThis study not only helps capture the bidirectional and complex process of the interaction between leaders and followers during the followership, but also obtains a more comprehensive understanding of how this interaction affects followers’ behaviors and performance. The results have practical implications for improving followers’ job performance by highlighting the effects of followership prototype–traits fit on followers’ behaviors and performance.
An integrated model: marital effect on adolescent behavioral problems through siblings
Authors: Li Zhaoyi , Zhao Yunyan , He Ran , Luo Rui , Luo Yuhan , Yang Zhengqian , Qi Mengdi , Chen Fumei 
Published: January 2024

IntroductionFew studies have simultaneously focused on the effects of marital conflict and marital intimacy on adolescent development, and little is known about the role of sibling relationships. Thus, this study examined the association between marital relationships and adolescent behavioral problems, including depressive symptoms and aggressive behavior. At the same time, we explored the mediating role of sibling hostility and sibling affection and the moderating effect of birth order in multichild families in China.MethodsParticipants included 842 adolescents (Mage = 12.60, 46.2% boys) from Henan Province. Marital relationship, sibling relationship, birth order, depressive symptoms and aggressive behavior were assessed by a self-administered questionnaire. SEM was then used to examine the role of sibling relationships and birth order in the association between marital relationship and adolescent behavioral problems.ResultsOur results showed that marital intimacy was negatively correlated with depressive symptoms and aggressive behavior, while marital conflict was positively correlated with them. Marital intimacy was associated with depressive symptoms and aggressive behavior through both sibling hostility and sibling affection. Marital conflict was indirectly associated with depressive symptoms and aggressive behavior through sibling hostility. In addition, the first-born adolescents were more sensitive to marital intimacy.DiscussionGiven that the occurrence of adolescent behavioral problems is more common in contemporary society, our findings suggest that establishing a more intimate and warmer family atmosphere and promoting positive interactions between siblings may help control adolescent mental health problems.
The role of parents in the motivation of young athletes: a systematic review
Authors: Gao Zhendong , Chee Chen Soon , Norjali Wazir Mohd Rozilee Wazir , Wang Jiaxu , Zheng Xiaojian , Wang Tao 
Published: January 2024

ObjectivesParents are one of the main social agents that shape young athletes’ experiences and participation in sports, but they are also the least explored group in the literature. Therefore, the purpose of this study was to conduct a systematic review of research on the role of parents in the motivation of young athletes.MethodThe systematic literature review consisted of four electronic databases from which 29 articles published in English and in full-text form in peer-reviewed journals between 1999 and 2023 were retrieved.ResultsA total of 29 studies met the eligibility criteria. These studies collectively surveyed 9,185 young athlete participants and 2,191 parent participants. The sample comprised 26 quantitative studies and 3 qualitative studies. The findings underscore that parents play both unique and synergistic multidimensional roles in motivating young athletes. Parents’ positive goals and values, autonomy-supportive parenting styles, moderate parental involvement, positive parent–child relationships, and a parent-initiated task climate are identified as optimal parenting strategies.ConclusionWhile parents undeniably play a crucial role in motivating young athletes, the manner and extent of their involvement are key.
Design strategies for VR science and education games from an embodied cognition perspective: a literature-based meta-analysis
Authors: Lin Xiuyu , Li Runbo , Chen Zhirong , Xiong Jiayi 
Published: January 2024

IntroductionNatural science education, as an important means to improve the scientific literacy of citizens, combines science education games with virtual reality (VR) technology and is a major developmental direction in the field of gamified learning.MethodsTo investigate the impact of VR science education games on learning efficiency from the perspective of embodied cognition, this study uses the China National Knowledge Infrastructure (CNKI) and Web of Science (WOS) databases as the main source of samples. A meta-analysis of 40 studies was conducted to examine teaching content, game interaction, and immersion mode.ResultsThe study found that (1) VR science and education games have a moderately positive impact on the overall learning effect; (2) regarding teaching content, the learning effect of skill training via VR science and education games is significant; (3) regarding interaction form, the learning effect on active interaction is significantly better than that of passive interaction; (4) regarding immersion mode, somatosensory VR games have a significant impact on the enhancement of students’ learning; (5) regarding application disciplines, VR science education games have a greater impact on science, engineering, language and other disciplines; (6) regarding academic segments, the learning effect on college students is most significant; and (7) regarding experimental intervention time, short-term intervention is most effective.DiscussionAccordingly, this article proposes strategies for VR science game design from the perspective of embodied cognition: a five-phase strategy including skill training, human-computer interaction, and environmental immersion, aiming to improve the learning effect and experience of users.
Validation of a computerized driving simulator test of cognitive abilities for fitness-to-drive assessments
Authors: Gårdinger Max Bremberg , Johansson Robert , Lidestam Björn , Selander Helena 
Published: January 2024

BackgroundDriving requires a series of cognitive abilities, many of which are affected by age and medical conditions. The psychosocial importance of continued driving ushers the need for valid measurements in fitness-to-drive assessments. A driving simulator test could prove useful in these assessments, having greater face validity than other off-road tests and being more cost-effective and safer than ordinary on-road testing. The aim of this study was to validate a driving simulator test for assessment of cognitive ability in fitness-to-drive assessments.MethodsThe study included 67 healthy participants. Internal consistency of the simulator subtests was estimated. A correlation analysis between results on the simulator and the cognitive tests Trail Making Test (TMT) A and B and the Useful field of View test (UFOV) and multiple regression analysis were conducted. Finally, a comparison of results between age groups (&gt;65 years) and (&lt;65 years) was done.ResultsResults showed good internal consistency. Significant and moderate correlations were found for all reaction time in the simulator’s subtests and UFOV 3, and all but two with TMT A. Lane positioning in the simulator showed significant and low to moderate correlations with UFOV 3 in all subtests. Reaction time and Double reaction time on subtest 3 were significantly correlated with UFOV 2 and UFOV 3 and TMT A, respectively. Test on Centerline (position) in subtest 3 as dependent variable was significantly correlated with UFOV 3. Significant means differences and large effect sizes between the age groups were found for all reaction time and lane positioning tests.ConclusionThe findings of concurrent validity, especially with TMT A and UFOV 3 and its sensitivity for age-related differences, indicate potential for the simulator to be used as a complement in fitness-to-drive assessments. However, a clinical study is necessary to further examine its usefulness for patients with cognitive deficits.
How flow and mindfulness interact with each other in mindfulness-based augmented reality mandala coloring activities
Authors: Chen Hao , Liu Chao , Zhang Ayuan , Lu Wen-Qian , Wu Kan , Chiou Wen-Ko 
Published: January 2024

IntroductionThis study explores the effects of different types of augmented reality (AR) mandala coloring activities on mindfulness and flow in college students.MethodsA total of 76 college students participated in the study and were divided into two groups based on their drawing skills: the high-skilled group (n = 38) and the low-skilled group (n = 38). With the help of AR technology, two groups of subjects carried out three mandala coloring experiments with structured mandala, free mandala and cooperative mandala in order. The measurement evaluation in the experimental program included a pre-test before all the experiments (Time 0) and each post-test after three mandala coloring activities (Time 1, Time 2 and Time 3). The balance dimensions of flow and challenge skills of the two groups were measured.ResultsANOVA results showed that a single 30-min short-term datura coloring activity did not significantly improve mindfulness (f = 2.339, p = 0.074, η2 = 0.031), but did significantly improve flow (f = 11.918, p = &lt; 0.001, η2 = 0.139). Linear regression results found positive correlations between mindfulness and certain dimensions of flow (e.g., focus on a task, unambiguous feedback, sense of control, challenge -- skill balance, and automatic experience). Mindfulness was also found to be negatively correlated with the loss of the self-conscious component of flow. We also found that the free mandala was quite challenging for subjects in the low-skill group, while the teamwork in the cooperative mandala helped them overcome difficulties and cope with challenges.DiscussionFlow can be quickly and effectively improved through short AR mandala coloring exercises. The contribution of this study is to provide inspiration and reference for further exploring how AR mandola coloring can improve subjects’ mental state and promote the perfection and development of positive psychological mechanism.