Evidence map›Paper›PMID 34012442›Full record

ArticleFrontiers in immunology2021

Advanced Flow Cytometry Assays for Immune Monitoring of CAR-T Cell Applications.

Ulrich Blache, Ronald Weiss, Andreas Boldt, Michael Kapinsky, André-René Blaudszun, Andrea Quaiser, Annabelle Pohl, Tewfik Miloud, Mégane Burgaud, Vladan Vucinic and 4 more

Open access · goldAbstract read
In one paragraph

Article in Frontiers in immunology, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 42 papers.

0numbers the graph read from it
0cells of the map it votes in
42citing papers in PubMed
4.5field-weighted citation impact, top 4% 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

42 citing papers in PubMed, 68 citations in OpenAlex.

  1. Trial
  2. Article
  3. High Immunophenotyping of Human PBMCs Using Lyophilized Antibodies.Methods in molecular biology (Clifton, N.J.) · 2027
    Review
  4. Article
  5. Article
  6. Article
  7. Review
  8. Article
  9. Review
  10. Article
  11. Article
  12. Article
  13. Review
  14. Review
  15. Article
  16. Article
  17. Article
  18. Review
  19. Article
  20. Finding Your CAR: The Road Ahead for Engineered T Cells.The American journal of pathology · 2024
    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

14 authors at 3 institutions in 1 country.

Ulrich BlacheFraunhofer Institute for Cell Therapy and Immunology, Leipzig, Germany.
Ronald WeissInstitute of Clinical Immunology, Medical Faculty, University of Leipzig, Leipzig, Germany.
Andreas BoldtInstitute of Clinical Immunology, Medical Faculty, University of Leipzig, Leipzig, Germany.
Michael KapinskyBeckman Coulter Life Sciences GmbH, Flow Cytometry Business Unit, Krefeld, Germany.
André-René BlaudszunFraunhofer Institute for Cell Therapy and Immunology, Leipzig, Germany.
Andrea QuaiserFraunhofer Institute for Cell Therapy and Immunology, Leipzig, Germany.
Annabelle PohlInstitute of Clinical Immunology, Medical Faculty, University of Leipzig, Leipzig, Germany.
Tewfik MiloudBeckman Coulter Life Sciences, Flow Cytometry R&D, Marseille, France.
Mégane BurgaudBeckman Coulter Life Sciences, Flow Cytometry R&D, Marseille, France.
Vladan VucinicMedical Faculty, Department of Hematology and Cell Therapy, University of Leipzig, Leipzig, Germany.
Uwe PlatzbeckerMedical Faculty, Department of Hematology and Cell Therapy, University of Leipzig, Leipzig, Germany.
Ulrich SackInstitute of Clinical Immunology, Medical Faculty, University of Leipzig, Leipzig, Germany.
Stephan FrickeFraunhofer Institute for Cell Therapy and Immunology, Leipzig, Germany.
Ulrike KoehlFraunhofer Institute for Cell Therapy and Immunology, Leipzig, Germany.
Leipzig University · DEFraunhofer Institute for Cell Therapy and Immunology · DEMedizinische Hochschule Hannover · DE

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Adoptive immunotherapy using chimeric antigen receptor (CAR)-T cells has achieved successful remissions in refractory B-cell leukemia and B-cell lymphomas. In order to estimate both success and severe side effects of CAR-T cell therapies, longitudinal monitoring of the patient's immune system including CAR-T cells is desirable to accompany clinical staging. To conduct research on the fate and immunological impact of infused CAR-T cells, we established standardized 13-colour/15-parameter flow cytometry assays that are suitable to characterize immune cell subpopulations in the peripheral blood during CAR-T cell treatment. The respective staining technology is based on pre-formulated dry antibody panels in a uniform format. Additionally, further antibodies of choice can be added to address specific clinical or research questions. We designed panels for the anti-CD19 CAR-T therapy and, as a proof of concept, we assessed a healthy individual and three B-cell lymphoma patients treated with anti-CD19 CAR-T cells. We analyzed the presence of anti-CD19 CAR-T cells as well as residual CD19+ B cells, the activation status of the T-cell compartment, the expression of co-stimulatory signaling molecules and cytotoxic agents such as perforin and granzyme B. In summary, this work introduces standardized and modular flow cytometry assays for CAR-T cell clinical research, which could also be adapted in the future as quality controls during the CAR-T cell manufacturing process.

Indexed as

Flow CytometryImmunophenotypingAntigens, NeoplasmBiomarkersCell SurvivalHumansImmunotherapy, AdoptiveReceptors, Antigen, T-CellReceptors, Chimeric AntigenT-LymphocytesAntigens, NeoplasmBiomarkersReceptors, Antigen, T-CellReceptors, Chimeric AntigenantibodyCAR-TCD19flow cytometryimmune profilingstaining technology

Identifiers

PMID34012442
PMCPMC8127837
OpenAlexW3158281789

What OpenQuestion holds

Textmetadata
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.