Evidence map›Paper›PMID 12388781›Full record

ArticleProceedings of the National Academy of Sciences of the United States of America2002

Isolation and characterization of lymphocyte-like cells from a lamprey.

Werner E Mayer, Tatiana Uinuk-Ool, Herbert Tichy, Lanier A Gartland, Jan Klein, Max D Cooper

Abstract read
In one paragraph

Article in Proceedings of the National Academy of Sciences of the United States of America, 2002. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 51 papers.

0numbers the graph read from it
0cells of the map it votes in
51citing papers in PubMed
4.2field-weighted citation impact, top 5% 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

51 citing papers in PubMed, 141 citations in OpenAlex.

  1. LampreyProceedings of the National Academy of Sciences of the United States of America · 2025
    Article
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  4. Which came first, T cells or B cells?Nature reviews. Immunology · 2021
    Article
  5. Review
  6. Review
  7. Review
  8. Review
  9. Innate immunological memory: from plants to animals.Current opinion in immunology · 2020
    Review
  10. Review
  11. Article
  12. Article
  13. Review
  14. Article
  15. Article
  16. Article
  17. Changing views of the evolution of immunity.Frontiers in immunology · 2013
    Article
  18. Article
  19. Review
  20. 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

6 authors at 2 institutions in 2 countries.

Werner E MayerMax-Planck-Institut für Biologie, Abteilung Immungenetik, Corrensstrasse 42, D-72076 Tübingen, Germany.
Tatiana Uinuk-Ool
Herbert Tichy
Lanier A Gartland
Jan Klein
Max D Cooper
Max Planck Institute for Biology · DEHoward Hughes Medical Institute · US

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Lymphocyte-like cells in the intestine of the sea lamprey, Petromyzon marinus, were isolated by flow cytometry under light-scatter conditions used for the purification of mouse intestinal lymphocytes. The purified lamprey cells were morphologically indistinguishable from mammalian lymphocytes. A cDNA library was prepared from the lamprey lymphocyte-like cells, and more than 8,000 randomly selected clones were sequenced. Homology searches comparing these ESTs with sequences deposited in the databases led to the identification of numerous genes homologous to those predominantly or characteristically expressed in mammalian lymphocytes, which included genes controlling lymphopoiesis, intracellular signaling, proliferation, migration, and involvement of lymphocytes in innate immune responses. Genes closely related to those that in gnathostomes control antigen processing and transport of antigenic peptides could be ascertained, although no sequences with significant similarity to MHC, T cell receptor, or Ig genes were found. The data suggest that the evolution of lymphocytes in the lamprey has reached a stage poised for the emergence of adaptive immunity.

Indexed as

Gene ExpressionLampreysAnimalsATP-Binding Cassette TransportersBiomarkersCell DivisionCell MovementCysteine EndopeptidasesExpressed Sequence TagsGene Expression ProfilingLymphocytesMiceMultienzyme ComplexesProteasome Endopeptidase ComplexSignal TransductionATP-Binding Cassette TransportersBiomarkersCysteine EndopeptidasesMultienzyme ComplexesProteasome Endopeptidase Complex

Identifiers

PMID12388781
PMCPMC137887
OpenAlexW2057506692

What OpenQuestion holds

Textmetadata
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.