Evidence map›Paper›PMID 39473295›Full record

ArticleJournal of proteome research2024

Variability of 7K and 11K SomaScan Plasma Proteomics Assays.

Julián Candia, Giovanna Fantoni, Francheska Delgado-Peraza, Nader Shehadeh, Toshiko Tanaka, Ruin Moaddel, Keenan A Walker, Luigi Ferrucci

Abstract read
In one paragraph

Article in Journal of proteome research, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 28 papers.

0numbers the graph read from it
0cells of the map it votes in
28citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

28 citing papers in PubMed.

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  9. Plasma proteomics ofmedRxiv : the preprint server for health sciences · 2026
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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

8 authors.

Julián CandiaIntramural Research Program, National Institute on Aging, National Institutes of Health, Baltimore, Maryland 21224, United States.ORCID 0000-0001-5793-8989
Giovanna FantoniIntramural Research Program, National Institute on Aging, National Institutes of Health, Baltimore, Maryland 21224, United States.
Francheska Delgado-PerazaIntramural Research Program, National Institute on Aging, National Institutes of Health, Baltimore, Maryland 21224, United States.
Nader ShehadehIntramural Research Program, National Institute on Aging, National Institutes of Health, Baltimore, Maryland 21224, United States.
Toshiko TanakaIntramural Research Program, National Institute on Aging, National Institutes of Health, Baltimore, Maryland 21224, United States.
Ruin MoaddelIntramural Research Program, National Institute on Aging, National Institutes of Health, Baltimore, Maryland 21224, United States.
Keenan A WalkerIntramural Research Program, National Institute on Aging, National Institutes of Health, Baltimore, Maryland 21224, United States.
Luigi FerrucciIntramural Research Program, National Institute on Aging, National Institutes of Health, Baltimore, Maryland 21224, United States.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

SomaScan is an aptamer-based proteomics assay designed for the simultaneous measurement of thousands of human proteins with a broad range of endogenous concentrations. The 7K SomaScan assay has recently been expanded into the new 11K version. Following up on our previous assessment of the 7K assay, here, we expand our work on technical replicates from donors enrolled in the Baltimore Longitudinal Study of Aging. By generating SomaScan data from a second batch of technical replicates in the 7K version as well as additional intra- and interplate replicate measurements in the new 11K version using the same donor samples, this work provides useful precision benchmarks for the SomaScan user community. Beyond updating our previous technical assessment of the 7K assay with increased statistics, here, we estimate interbatch variability, assess inter- and intraplate variability in the new 11K assay, compare the observed variability between the 7K and 11K assays (leveraging the use of overlapping pairs of technical replicates), and explore the potential effects of sample storage time (ranging from 2 to 30 years) in the assays' precision.

Indexed as

ProteomicsAptamers, NucleotideBlood ProteinsHumansLongitudinal StudiesReproducibility of ResultsAptamers, NucleotideBlood Proteins11K7Kcoefficient of variationplasmaprecisionproteomicsreplicabilityreproducibilitySomaLogicSOMAmersSomaScanvariability

Identifiers

PMID39473295
PMCPMC11629374

What Socratic holds

Textmetadata
LicenceCC BY-NC-ND
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Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the Socratic graph.