Evidence map›Paper›PMID 38287122›Full record

ArticleScientific reports2024

Clinically accessible amplitude-based multiplex ddPCR assay for tryptase genotyping.

Manca Svetina, Julij Šelb, Jonathan J Lyons, Peter Korošec, Matija Rijavec

Open access · goldAbstract read
In one paragraph

Article in Scientific reports, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.

0numbers the graph read from it
0cells of the map it votes in
6citing papers in PubMed
1.7field-weighted citation impact, top 17% of its field
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

6 citing papers in PubMed, 7 citations in OpenAlex.

  1. Hereditary Alpha-Tryptasemia (HαT) as a Risk Modifier for Severe Anaphylaxis.Immunology and allergy clinics of North America · 2026
    Review
  2. Article
  3. Hereditary α-Tryptasemia and Peripheral BloodInternational journal of molecular sciences · 2025
    Article
  4. Article
  5. Article
  6. Review
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

5 authors at 3 institutions in 2 countries.

Manca SvetinaUniversity Clinic of Respiratory and Allergic Diseases Golnik, Golnik, Slovenia.
Julij ŠelbUniversity Clinic of Respiratory and Allergic Diseases Golnik, Golnik, Slovenia.
Jonathan J LyonsNational Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, USA.
Peter KorošecUniversity Clinic of Respiratory and Allergic Diseases Golnik, Golnik, Slovenia.
Matija RijavecUniversity Clinic of Respiratory and Allergic Diseases Golnik, Golnik, Slovenia. matija.rijavec@klinika-golnik.si.
University of Ljubljana · SINational Institutes of Health · USUniversity Clinic of Pulmonary and Allergic Diseases Golnik · SI

Funding

NIAID NIH HHS SI2 AI138586Slovenian Research and Innovation Agency P3-0360
6 · The paper itself

Abstract

Hereditary α tryptasemia (HαT) is an autosomal dominant trait characterized by increased TPSAB1 copy number (CN) encoding α-tryptase. The determination of HαT is being discussed as an important biomarker to be included in risk assessment models and future diagnostic algorithms for patients with mastocytosis and anaphylaxis. Due to the complex genetic structure at the human tryptase locus, genetic testing for tryptase gene composition is presently notably limited and infrequently pursued. This study aimed to develop, optimise and validate a multiplex droplet digital PCR (ddPCR) assay that can reliably quantify α- and β-tryptase encoding sequences in a single reaction. To optimise the ddPCR conditions and establish an amplitude-based multiplex ddPCR assay, additional primers and probes, a thermal gradient with varying annealing temperatures, different primers/probe concentrations, and various initial DNA quantities were tested. Results obtained from all 114 samples analysed using multiplex ddPCR were identical to those obtained through the use of original duplex assays. Utilizing this multiplex ddPCR assay, in contrast to conducting distinct duplex ddPCRs, presents noteworthy benefits for tryptase genotyping. These advantages encompass a substantial threefold decrease in material costs and considerable time savings. Consequently, this approach exhibits high suitability and particularly captures interest for routine clinical implementation.

Indexed as

MastocytosisMultiplex Polymerase Chain ReactionGenetic TestingGenotypeHumansTryptasesTryptases

Identifiers

PMID38287122
PMCPMC10825142
OpenAlexW4391311720

What OpenQuestion holds

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LicenceCC BY
Read underepoch 390

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 OpenQuestion graph.