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A plasma 9-microRNA signature for lung cancer early detection: a multicenter validation

ABSTRACT: Lung cancer is the most critical concern in oncology worldwide, due to its substantial morbidity and mortality rates. Low-dose computed tomography (LD-CT) screening is considered the best promising strategy to alter the fatal prognosis of this disease, in combination with effective minimally invasive molecular testing. Although, several approaches based on blood-borne biomarkers (e.g. ctDNA, CTC, proteins, antibodies and microRNAs) have been proposed to better identify at-risk populations, and characterize the nature of screening-detected nodules, their use has not been successfully implemented in clinical settings. To this end, we propose a signature of 9 circulating miRNAs derived from a robust multi-platform workflow with a multi-center design, for a total of 276 lung cancer and 451 non-cancer controls, based on the data from two European LD-CT screening cohorts (Poland and Italy).

ORGANISM(S): Homo sapiens

PROVIDER: GSE279209 | GEO | 2025/05/29

REPOSITORIES: GEO

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Project description:Bud endodormancy induction response of two genotypes (‘Seyval’ a hybrid white wine grape and V. riparia, PI588259 a native north american species) was compared under long (15h) and short (13h) photoperiod. Three separate replicates (5 plants/replicate) were treated to generate paradormant (LD) and same aged endodormancy-induced (SD) buds for transcriptomic, proteomic and metabolomic analysis. Potted, spur-pruned two to six-year-old vines were removed from cold storage (Seyval 3-19-07; V. riparia 3/26/07) and grown under a LD (15 h) at 25/20 + 3C day/night temperatures (D/N). When vines reached 12-15 nodes (3-25-07) they were randomized into LD or SD treatments with 25/20 + 3C D/N in climate controlled greenhouses with automated photoperiod system (VRE Greenhouse Systems). Three replications (5 vines/replication) were harvested between 5/07-6/07 and then again in 5/08-6/08 for a total of six replications. All treatments are repeated at the same time every year and harvested at the same time of day each year to minimize biological noise. At 1, 3, 7, 14, 21, 28 and 42 days of LD and SD treatment, buds were harvested from nodes 3 to 12 of each separate replicate, immediately frozen in liquid nitrogen, and placed at -80C for future RNA, protein and metabolite extraction. These time points encompass early reversible phases as well as key time points during transition to irreversible endodormancy development. After photoperiod treatments and bud harvests, all pruned vines were returned to LD and monitored for bud endodormancy. The endodormant vines were identified after 28 days and moved to cold storage. The nondormant vines were allowed to grow again and induced into dormancy at a later date. Acknowledgement:This study was funded by NSF Grant DBI0604755 and funds from the South Dakota Agriculture Experiment Station. ****[PLEXdb(http://www.plexdb.org) has submitted this series at GEO on behalf of the original contributor, Anne Fennell. The equivalent experiment is VV10 at PLEXdb.] 84 Samples of two genotypes compared under long and short photoperiod, 3 replicates each. Seyval (SV, Seyve Villard 5-276) : LD, 15h : 1 days (3-replications) Seyval (SV, Seyve Villard 5-276) : LD, 15h : 3 days (3-replications) Seyval (SV, Seyve Villard 5-276) : LD, 15h : 7 days (3-replications) Seyval (SV, Seyve Villard 5-276) : LD, 15h : 14 days (3-replications) Seyval (SV, Seyve Villard 5-276) : LD, 15h : 21 days (3-replications) Seyval (SV, Seyve Villard 5-276) : LD, 15h : 28 days (3-replications) Seyval (SV, Seyve Villard 5-276) : LD, 15h : 42 days (3-replications) Seyval (SV, Seyve Villard 5-276) : SD, 13h : 1 days (3-replications) Seyval (SV, Seyve Villard 5-276) : SD, 13h : 3 days (3-replications) Seyval (SV, Seyve Villard 5-276) : SD, 13h : 7 days (3-replications) Seyval (SV, Seyve Villard 5-276) : SD, 13h : 14 days (3-replications) Seyval (SV, Seyve Villard 5-276) : SD, 13h : 21 days (3-replications) Seyval (SV, Seyve Villard 5-276) : SD, 13h : 28 days (3-replications) Seyval (SV, Seyve Villard 5-276) : SD, 13h : 42 days (3-replications) V. riparia (VR, PI588259) : LD, 15h : 1 days (3-replications) V. riparia (VR, PI588259) : LD, 15h : 3 days (3-replications) V. riparia (VR, PI588259) : LD, 15h : 7 days (3-replications) V. riparia (VR, PI588259) : LD, 15h : 14 days (3-replications) V. riparia (VR, PI588259) : LD, 15h : 21 days (3-replications) V. riparia (VR, PI588259) : LD, 15h : 28 days (3-replications) V. riparia (VR, PI588259) : LD, 15h : 42 days (3-replications) V. riparia (VR, PI588259) : SD, 13h : 1 days (3-replications) V. riparia (VR, PI588259) : SD, 13h : 3 days (3-replications) V. riparia (VR, PI588259) : SD, 13h : 7 days (3-replications) V. riparia (VR, PI588259) : SD, 13h : 14 days (3-replications) V. riparia (VR, PI588259) : SD, 13h : 21 days (3-replications) V. riparia (VR, PI588259) : SD, 13h : 28 days (3-replications) V. riparia (VR, PI588259) : SD, 13h : 42 days (3-replications)

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A plasma 9-microRNA signature for lung cancer early detection: a multicenter validation

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