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FFPE DNA MS v12 20210211
The primary goal of this study was to investigate the effects of whether organocatalyst (ORGΔ) treatment improves DNA-sequencing data by overcoming formalin-induced artifacts from clinical formalin-fixed paraffin-embedded (FFPE) samples. We isolated RNA and DNA ± ORGΔ from paired FFPE and frozen human renal and ovarian carcinoma specimens collected as part of the National Cancer Institute Biospecimen Pre-analytical Variables program. Tumor types were microscopically confirmed from adjacent tissue sections. Following extraction, DNA was fragmented and sequence differences were compared between frozen and FFPE sample pairs. Treatment with ORGΔ improved concurrent SNP calls in FFPE DNA compared to non-ORGΔ FFPE samples and enhanced confidence in SNP calls for all FFPE DNA samples, beyond that of matched frozen samples. In general, the concordant SNPs identified in paired frozen and FFPE DNA samples agreed for both genotype and homozygosity vs. heterozygosity of calls regardless of ORGΔ treatment. The increased confidence in ORGΔ FFPE DNA variant calls relative to the matched frozen DNA suggests a novel application of this method. With further optimization, this method may improve quality of DNA-sequencing data in frozen as well as FFPE tissue samples. These findings could have important implications for studies using FFPE samples, especially if adequate matched controls are not available. This dataset is associated with the following publication: Wehmas, L., C. Wood, P. Guan, M. Gosink, and S. Hester. Organocatalyst treatment improves variant calling and mutant detection in archival clinical samples. Scientific Data. Springer Nature, New York, NY, 12: 6509, (2022).
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formalin effects data
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RNA sequencing data from paired: (1) fresh-frozen, (2) direct-fixed in formalin for 18 hours, (3) frozen then formalin-fixed, or (4) frozen then ethanol-fixed and paraffin-embedded (n=6/group/condition) tissue samples from the livers of mice exposed to 600 ppm phenobarbital vs. vehicle control for 7 days in drinking water. RNA sequencing data from paired fresh frozen and 18 hr. formalin-fixed paraffin-embedded liver tissue from mice administered 1500, 3000, and 6000 ppm DEHP or vehicle control for 7 days by dietary ingestion; or RNA sequencing data from paired fresh frozen, 18 hr. formalin fixed paraffin embedded, or 3 wk. formalin fixed paraffin embedded liver tissue from mice administered 8 mg/kg/d Furan or vehicle control for 3 weeks by gavage. This dataset is associated with the following publication: Wehmas, L., S. Hester, and C.E. Wood. Direct Formalin Fixation Induces Widespread Transcriptomic Effects in Archival Tissue Samples. Scientific Reports. Nature Publishing Group, London, UK, 10: 14497, (2020).
A reference database for tumor-related genes co-expressed with interleukin-8 using genome-scale
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Background The EST database provides a rich resource for gene discovery and in silico expression analysis. We report a novel computational approach to identify co-expressed genes using EST database, and its application to IL-8. Results IL-8 is represented in 53 dbEST cDNA libraries. We calculated the frequency of occurrence of all the genes represented in these cDNA libraries, and ranked the candidates based on a Z-score. Additional analysis suggests that most IL-8 related genes are differentially expressed between non-tumor and tumor tissues. To focus on IL-8's function in tumor tissues, we further analyzed and ranked the genes in 16 IL-8 related tumor libraries. Conclusions This method generated a reference database for genes co-expressed with IL-8 and could facilitate further characterization of functional association among genes.
Rodent Research-1 (RR1) NASA Validation Flight: Mouse extensor digitorum longus muscle transcriptomic and epigenomic data
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NASA s Rodent Research (RR) project is playing a critical role in advancing biomedical research on the physiological effects of space environments. Due to the limited resources for conducting biological experiments aboard the International Space Station (ISS) it is imperative to use crew time efficiently while maximizing high-quality science return. NASA s GeneLab project has as its primary objectives to 1) further increase the value of these experiments using a multi-omics systems biology-based approach and 2) disseminate these data without restrictions to the scientific community. The current investigation assessed viability of RNA DNA and protein extracted from archived RR-1 tissue samples for epigenomic transcriptomic and proteomic assays. During the first RR spaceflight experiment a variety of tissue types were harvested from subjects snap-frozen or RNAlater-preserved and then stored at least a year at -80C after return to Earth. They were then prioritized for this investigation based on likelihood of significant scientific value for spaceflight research. All tissues were made available to GeneLab through the bio-specimen sharing program managed by the Ames Life Science Data Archive and included mouse adrenal glands quadriceps gastrocnemius tibialis anterior extensor digitorum longus soleus eye and kidney. We report here protocols for and results of these tissue extractions and thus the feasibility and value of these kinds of omics analyses. In addition to providing additional opportunities for investigation of spaceflight effects on the mouse transcriptome and proteome in new kinds of tissues our results may also be of value to program managers for the prioritization of ISS crew time for rodent research activities.
병무청 병역판정검사 신장 분포 및 청별 현황
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병역판정검사 데이터로 2022년 병역판정검사 수검자의 신장 분포별 청별 현황입니다. 신장 분포별 청별 데이터입니다.
Transcriptomic analysis of skin from mice subjected to chronic low-dose radiation hindlimb unloading or a combination of both
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The purpose of this study was to evaluate transcriptional changes in mouse skin using a ground-based model for spaceflight. This model includes prolonged unloading and low-dose irradiation. Low-dose-rate gamma-radiation was delivered to 6-month old female C57BL/6J mice using 57Co plates (0.04 Gy) to simulate the radiation environment of spaceflight. Anti-orthostatic tail suspension was used to model the unloading fluid shift and physiological stress aspects of the microgravity component of spaceflight. Mice were hindlimb suspended and/or irradiated for 21 days. Mice were euthanized and dorsal skin was collected 7 days following treatment. RNA sequencing data was generated to assess transcriptional changes in these skin samples.
Metagenomic analysis of feces from mice flown on the RR-6 mission
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The objective of the Rodent Research-6 (RR-6) study was to evaluate muscle atrophy in mice during spaceflight and to test the efficacy of a novel therapeutic to mitigate muscle wasting. The experiment involved an implantable subcutaneous nanochannel delivery system (nDS; between scapula) which delivered the drug formoterol (FMT; a selective xce xb22 adrenoceptor agonist) over the course of time. To this end a cohort of forty 32-weeks-old female C57BL/6NTac mice were either sham operated or implanted with vehicle or treatment-filled nDS launched in two Transporters (20 mice per Transporter) on SpaceX-13 on December 15 2017. They were transferred to Rodent Habitats onboard the International Space Station (ISS) and maintained in microgravity for 29 days (N=20 Live Animal Return Spaceflight [LAR FLT]) or >50 days (N=20 ISS Terminal Spaceflight [ISS-T FLT]). After 29 days the 20 LAR FLT animals were returned live to back to Earth on January 13 2018. After splashdown the animals were ambulatory on-ground for ~4 days until all subjects were processed during one day of dissections. There were two Basal (BSL) groups of animals sacrificed (LAR BSL & ISS-T BSL; N=20; 40 animals; ~36 weeks old) at Kennedy Space Center (KSC; 12/9/17). LAR BSL animals were dissected and samples were collected upon euthanasia. A Ground Control (GC) group LAR GC mimicked the LAR FLT group which was housed at KSC then shipped alive to Novartis xe2 x80 x99s Facilities where both the LAR FLT and LAR GC groups were processed (~41 weeks old; 1/16/18). All were anesthetized with isoflurane blood samples were obtained by closed-chest cardiac puncture and the animals were euthanized by exsanguination and thoracotomy. The 20 ISS-T FLT mice were anesthetized via intraperitoneal injection of ketamine/xylazine/acepromazine over the course of a four days of dissections (2/6/18 until 2/9/18; 53-56 days after launch; 44 weeks old at time of on-orbit dissections). Blood samples and euthanasia were conducted the same as LAR groups. Following blood draw and hind limb dissection the ISS-T FLT animal carcasses were wrapped in aluminum foil placed in a ziploc bag and placed in storage at -80 xcb x9aC or colder until return. The ISS-T Ground Control (ISS-T GC) (at KSC) followed the same euthanasia timeline methods and preservation. The final processing of frozen ISS-T FLT frozen ISS-T GC and frozen 0-day ISS-T BSL animals were completed at Houston Methodist Research Institute in Houston TX (5/21/18 until 5/24/18). GeneLab received feces from only sham treated animals (no drug treated animals) from the following groups. FLT: LAR (n=9) ISS-T (n=7); GC: LAR (N=7) ISS-T (N=9); BSL: LAR (n=7) ISS-T (n=9). DNA was extracted and analyzed by sequencing using a variety of different targeted and un-targeted metagenome profiling assays.
Quantitative Metagenomics Benchmarking Experiment Data Set
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To assess the variability of low-abundance oligonucleotide detection across sample matrices, we spiked DNA reference standards (meta sequins) into replicate wastewater DNA extracts at logarithmically decreasing mass-to-mass percentages (m/m%) and deeply sequenced them on the Illumina platform. This dataset summarizes the experimental conditions and results of the detection frequencies of those oligonucleotides as well as detailed descriptions of the DNA reference standards used. This dataset is associated with the following publication: Davis, B., P. Vikesland, and A. Pruden. Evaluating Quantitative Metagenomics for Environmental Monitoring of Antibiotic Resistance and Establishing Detection Limits. ENVIRONMENTAL SCIENCE & TECHNOLOGY. American Chemical Society, Washington, DC, USA, 59(12): 6192-6202, (2025).
국립암센터 전립선암 라이브러리 항암 치료 목적별
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국립암센터_전립선 암 집계 정보 조회 서비스에 대한 데이터로 센터명, 기준년도를 통해 센터명, 나이, 성별 기준년도의 전립선암 환자 항암 치료 목적별 현황 조회 항목을 제공합니다. 국립암센터 전립선암 환자 항암 치료 목적별 현황 공공데이터는 아래의 URL을 통해서도 신청 및 사용하실 수 있습니다. URL : https://www.bigdata-cancer.kr/ncc/viewOpenApiDetail.do?datasetIdentifier=19190