Showing 2,521 - 2,540 results of 18,849 for search 'sample random sampling.', query time: 0.21s Refine Results
  1. 2521

    Identification of potential key targets and mechanisms underlying cleft palate induced by tobacco smoke exposure through multi-omics integrated Mendelian randomization analysis by Yuxin Lin, Xiaoping Zhong, Zhengyuan Chi, Hui Li, Rui Han, Hao Li, Shukai Zheng, Shijie Tang, Jiasheng Chen

    Published 2025-07-01
    “…Although the mechanisms underlying TS-induced CP remain incompletely understood, this study provides novel insights by integrating multi-omics with Mendelian Randomization (MR) analyses. By utilizing two-sample MR and sensitivity analyses, we identified protective metabolites associated with CP, including glycerate, glycochenodeoxycholate, and isobutyrylcarnitine. …”
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  2. 2522
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  4. 2524

    Safety and efficacy of different rotational speed during rotational atherectomy in coronary heart disease patients (RACE): study protocol for a randomized controlled trial by Jie Xu, Yu-wei Wang, Li-Kun Ma, Hao Hu, Hong-Wu Chen, Jing-Sheng Hua, Xiang-Yong Kong, Dan Li, Long-Wei Li, Jia-Wei Wu

    Published 2025-04-01
    “…An estimated 210 patients will be enrolled based on sample size calculation, randomly assigned in a 1:1:1 ratio to different rotational speed protocols using a random number table. …”
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  5. 2525

    Associations Between Obstructive Sleep Apnea and Metabolic Dysfunction-Associated Fatty Liver Disease: Insights from Comprehensive Mendelian Randomization and Gene Expression Analy... by Ma T, Liao C, Chen W, Feng J

    Published 2025-07-01
    “…We aimed to investigate their causal associations and shared biomarkers using Mendelian randomization (MR) and bioinformatics approaches.Methods: We used OSA-related and MAFLD-related GWAS data to explore their causal relationship and the role of body mass index (BMI) through two-sample and network MR analysis. …”
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  6. 2526
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    Scaling up interpersonal psychotherapy training: A pilot randomized controlled trial of digital asynchronous self-directed vs. synchronous group workshop training by Paula Ravitz, Natalie Heeney, Andrea Lawson, Edward McAnanama, Clare Pain, Alex Kiss, Priya Watson, Jan Malat, Sophie Grigoriadis, Simone Vigod, Daisy R. Singla

    Published 2025-01-01
    “…Methods: We developed digital IPT training and evaluated it in a pilot parallel randomized controlled trial. Psychiatry residents (N=25) in Toronto, Canada, were randomly assigned, 1:1, to an asynchronous self-directed digital course (intervention; n=13) or synchronous group training-as-usual workshop (control; n=12) and then delivered ∼12 clinically-supervised individual IPT sessions to depressed patients (N=26; 10≥PHQ9<20). …”
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    Associations of maternal quitting, reducing, and continuing smoking during pregnancy with longitudinal fetal growth: Findings from Mendelian randomization and parental negative con... by Judith S Brand, Romy Gaillard, Jane West, Rosemary R C McEachan, John Wright, Ellis Voerman, Janine F Felix, Kate Tilling, Deborah A Lawlor

    Published 2019-11-01
    “…Study limitations include measurement error due to maternal self-report of smoking and the modest sample size for MR analyses resulting in unconfounded estimates being less precise. …”
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  12. 2532

    Effects of Mental Imagery on Quality of Life, Cognitive, and Emotional Status in Older Adults with Early-Stage Alzheimer’s Disease Dementia: A Randomized Controlled Trial by Anna Christakou, Christina Bouzineki, Marousa Pavlou, George Stranjalis, Vasiliki Sakellari

    Published 2024-12-01
    “…The sample from an Athens Day Care Center of the Alzheimer Association was randomized to (a) the MI and exercise group (intervention group, n = 55), (b) the only exercise group (1st control group, n = 52), and (c) the neither MI nor exercise group (2nd control group, n = 53). …”
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  13. 2533
  14. 2534

    Plasma L-aspartic acid predicts the risk of gastric cancer and modifies the primary prevention effect: a multistage metabolomic profiling and Mendelian randomization study by Mengyuan Wang, Zhouyi Yin, Hengmin Xu, Zongchao Liu, Sha Huang, Wenhui Wu, Yang Zhang, Tong Zhou, Weicheng You, Kaifeng Pan, Wenqing Li

    Published 2025-05-01
    “…Methods: Plasma metabolites associated with GC risk were identified through a case-control study. Bi-directional two-sample Mendelian randomization analyses were performed to determine potential causal relationships utilizing the Shandong Intervention Trial (SIT), a nested case-control study of the Mass Intervention Trial in Linqu, Shandong province (MITS), China, the UK Biobank, and the FinnGen project. …”
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  15. 2535

    Genetic influence of the brain imaging phenotypes, brain and cerebrospinal fluid metabolites and brain genes on migraine subtypes: a Mendelian randomization and multi-omics study by Ping-An Zhang, Jie-Lin Wang, Mei-Hua Dong, Xiang-Chun Huang, Nai-Jian Li, Run-Dong Qin, Jing Li

    Published 2025-05-01
    “…Traits showing significant correlations were analyzed using bidirectional two-sample MR (TSMR), followed by two-step TSMR to identify cross-omics mediation effects. …”
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  16. 2536

    From background diabetic retinopathy to its proliferative stage. What is the role of gut microbiota in the trajectory of DR? a Mendelian randomization study with mediation analysis by Yifan Zhou, Jialong Dong, Zhenyu Wang, Chen Huang, Xiaotong Yu, Xinjun Wang, Bo Yang, Yuechen Wu, Qing Peng

    Published 2025-08-01
    “…Methods GWAS data of 207 GM taxa (from phylum to species) were acquired from the Dutch Microbiome Project (N = 7,824), and DR from FinnGen (over 300,000 individuals). A bidirectional two-sample Mendelian Randomization (TSMR) analysis was conducted to elucidate directional causality between GM and DR. …”
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    Article
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    Genetic evidence reveals phosphatidylcholine as a mediator in the causal relationship between omega-3 and multiple myeloma risk by Jian Li, Youxuan Li, Jun Wang, Yilang Zhou, Zhenzhen Wu, Yu Song, Guoqing Zhu, Jie Tian

    Published 2025-08-01
    “…First, we conducted a two-sample MR study with MM using the omega-3 GWAS data from Richardson TG. …”
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  19. 2539

    Unveiling Potential Blood Markers for Endometriosis Through the Integration and Experimental Validation of Immune Cell Traits Genome and Genome-Wide Associated Data by Mei J, Jiang XY, Zhang B, Wang L, Zhang AX, Li JJ, Chen SX, Xu X, Hu JJ, Zhou SG

    Published 2025-03-01
    “…The flow cytometry results indicated that the expression level of CD28 on CD28+ DN (CD4-CD-8) was significantly increased in the ectopic intima of EM patients.Conclusion: Our study demonstrated a causal relationship between immune traits and EM, and the results were verified by clinical samples. The study may provide new biomarkers for the early diagnosis and immunotherapy of EM.Keywords: endometriosis, Mendelian randomization, immune cell traits, flow cytometry…”
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