Evidence map›Paper›PMID 9037000›Full record

ArticleJournal of immunology (Baltimore, Md. : 1950)1997

VHDJH gene sequences and antigen reactivity of monoclonal antibodies produced by human B-1 cells: evidence for somatic selection.

E W Schettino, S K Chai, M T Kasaian, H W Schroeder, P Casali

Abstract read
In one paragraph

Article in Journal of immunology (Baltimore, Md. : 1950), 1997. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 17 papers.

0numbers the graph read from it
0cells of the map it votes in
17citing papers in PubMed
7.1field-weighted citation impact, top 3% 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

17 citing papers in PubMed, 59 citations in OpenAlex.

  1. Review
  2. Clonal redemption of B cells in cancer.Frontiers in immunology · 2023
    Article
  3. Review
  4. Polyreactive natural antibodies in transplantation.Current opinion in organ transplantation · 2017
    Review
  5. Review
  6. Article
  7. Review
  8. Nature and functions of autoantibodies.Nature clinical practice. Rheumatology · 2008
    Review
  9. Article
  10. Article
  11. Article
  12. Review
  13. Article
  14. Article
  15. Article
  16. Article
  17. Article
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 1 institution in 1 country.

E W SchettinoDepartment of Pathology, Cornell University Medical College, New York 10021, USA.
S K Chai
M T Kasaian
H W Schroeder
P Casali
NewYork–Presbyterian Hospital · US

Funding

SOMATIC HYPERMUTATION IN HUMAN B CELLSR01AR040908 · NIAMS · WEILL MEDICAL COLLEGE OF CORNELL UNIV · PI CASALI, PAOLO · 1992 to 2005
$1.8M
DEVELOPMENT OF THE HUMAN ANTIBODY REPERTOIRER01AI033621 · NIAID · UNIVERSITY OF ALABAMA AT BIRMINGHAM · PI SCHROEDER, HARRY WILLIAM · 1994 to 1997
–
DEVELOPMENT OF THE ANTIBODY REPERTOIRER21AI033621 · NIAID · UNIVERSITY OF ALABAMA AT BIRMINGHAM · PI SCHROEDER, HARRY WILLIAM · 1998 to 1998
–
NIAID NIH HHS AI 33621NIAMS NIH HHS AR 40908NIAMS NIH HHS R01 AR040908
6 · The paper itself

Abstract

To understand whether the distinct VHDJH gene utilization by natural polyreactive Abs reflects the developmentally restricted Ig VHDJH rearrangements putatively expressed by B-1 cells, we generated 11 (8 IgM, 1 IgG3, 2 IgA1), 7 (6 IgM, 1 IgG1), and 7 (2 IgM, 3 IgG1, 2 IgG3) mAb-producing lines using B-1a (surface CD5+, CD45RAlow), B-1b (surface CD5-, CD45RAlow, CD5 mRNA+), and B-2 (surface CD5-, CD45RAhigh, CD5 mRNA-) cells, respectively, sorted from adult human peripheral blood. Most B-1a and B-1b, but no B-2, cell-derived mAbs were polyreactive; i.e., they bound different self and foreign Ags with different affinities. B-1a and B-2 mAbs preferentially utilized VH4 (p = 0.003) and VH3 (p = 0.010) genes, respectively. All three mAb populations utilized DXP, DLR, DN DH genes, and JH6, but no mAb utilized DHQ52. There were fewer unencoded nucleotide (N) additions in the VHDJH junctions of B-1b (3.00 +/- 2.52, mean +/- SD) than of B-1a (12.45 +/- 3.93, p = 1.23 x 10(-5)) or B-2 (8.29 +/- 4.75, p = 0.020) mAbs. Partly due to the fewer N additions and a paucity of D-D fusions, the B-1b mAb CDR3s were significantly shorter than the B-1a mAb CDR3s (p = 0.013), which contained a nonrandom Tyr distribution (p = 0.003). Finally, all but two B-1 cell-derived mAbs were mutated, in a fashion similar to that of the Ag-selected B-2 mAbs. Thus, in the human adult, B-1 cells that make natural polyreactive Abs may not be representative of the predominantly B-1 developmental waves of colonization of the fetal and neonatal B cell repertoires, and are somatically selected.

Indexed as

AdultAmino Acid SequenceAntibodies, MonoclonalAntigen-Antibody ReactionsBase SequenceB-Lymphocyte SubsetsCD5 AntigensCell LineGenes, ImmunoglobulinHumansImmunoglobulin Heavy ChainsImmunoglobulin Joining RegionImmunoglobulin Variable RegionMolecular Sequence DataPoint MutationRNA, MessengerAntibodies, MonoclonalCD5 AntigensImmunoglobulin Heavy ChainsImmunoglobulin Joining RegionImmunoglobulin Variable RegionRNA, Messenger

Identifiers

PMID9037000
PMCPMC4631314
OpenAlexW1519282847

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.