Evidence map›Paper›PMID 11607790›Full record

ArticleGenes and immunity2001

Contrasting evolution of the human leukocyte N-formylpeptide receptor subtypes FPR and FPRL1R.

A Sahagun-Ruiz, J S Colla, J Juhn, J L Gao, P M Murphy, D H McDermott

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In one paragraph

Article in Genes and immunity, 2001. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 22 papers.

0numbers the graph read from it
0cells of the map it votes in
22citing papers in PubMed
0.6field-weighted citation impact, top 36% 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

22 citing papers in PubMed, 43 citations in OpenAlex.

  1. TheFrontiers in immunology · 2025
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  6. Preclinical evaluation of the urokinase receptor-derived peptide UPARANT as an anti-inflammatory drug.Inflammation research : official journal of the European Histamine Research Society ... [et al.] · 2017
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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

6 authors at 2 institutions in 1 country.

A Sahagun-RuizMolecular Signaling Section, Laboratory of Host Defenses, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD 20892-1886, USA.
J S Colla
J Juhn
J L Gao
P M Murphy
D H McDermott
National Institutes of Health · USNational Institute of Allergy and Infectious Diseases · US

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

N-formylpeptides are phagocyte chemoattractants that act by binding to two structurally related receptors, FPR (formylpeptide receptor) and FPRL1R (FPR-like-1 receptor), which are encoded by the human genes FPR1 and FPRL1. Single nucleotide polymorphisms (SNPs) in the FPR coding region have been reported and two have been associated with the disease juvenile periodontitis; however, their frequency and linkage relationships are unknown. Here we systematically analyzed polymorphism in the open reading frames of FPR1 and FPRL1 by direct sequencing of cloned alleles from random blood donors from North America. For FPR1 we detected five non-synonymous SNPs and two synonymous SNPs in a sample of 26 chromosomes one each from 17 Caucasian and nine black random blood donors. Although all five non-synonymous SNPs were common in Caucasians, Blacks, and Asians, notable differences in allele frequency were found for each SNP in the different racial groups, suggesting differential selective pressures. We found that the FPR1 polymorphisms are linked in 15 common haplotypes. No polymorphisms were detected in FPRL1 after sampling 44 chromosomes from 36 random blood donors from the same three racial groups. Thus FPR1 and FPRL1, though they originated from a common gene, appear to have undergone markedly different evolutionary events.

Indexed as

Evolution, MolecularReceptors, LipoxinAmino Acid SequenceAnimalsBase SequenceCloning, MolecularGene FrequencyHaplotypesHumansLeukocytesMammalsMolecular Sequence DataPhylogenyPolymerase Chain ReactionPolymorphism, Restriction Fragment LengthPolymorphism, Single NucleotideFPR2 protein, humanReceptors, Formyl PeptideReceptors, ImmunologicReceptors, LipoxinReceptors, Peptide

Identifiers

PMID11607790
OpenAlexW1999974121

What OpenQuestion holds

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Registered trials

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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.