Evidence map›Paper›PMID 18684861›Full record

ArticleBlood2008

Ligation of erythrocyte CR1 induces its clustering in complex with scaffolding protein FAP-1.

Ionita Ghiran, Aleksandra M Glodek, Gregory Weaver, Lloyd B Klickstein, Anne Nicholson-Weller

Open access · greenAbstract read
In one paragraph

Article in Blood, 2008. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 16 papers.

0numbers the graph read from it
0cells of the map it votes in
16citing papers in PubMed
1.2field-weighted citation impact, top 24% 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

16 citing papers in PubMed, 34 citations in OpenAlex.

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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

5 authors at 3 institutions in 1 country.

Ionita GhiranDivisions of Allergy/Inflammation and Infectious Diseases, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA.
Aleksandra M Glodek
Gregory Weaver
Lloyd B Klickstein
Anne Nicholson-Weller
Harvard University · USBeth Israel Deaconess Medical Center · USNovartis (United States) · US

Funding

STRUCTURE-FUNCTION RELATIONSHIPS IN THE ALIMENTARY TRACTP30DK034854 · NIDDK · HARVARD UNIVERSITY (MEDICAL SCHOOL) · PI WAYNE I LENCER · 1986 to 2026
$32.4M
CRI (CD35) As a Cellular Receptor for CIqR01AI042987 · NIAID · BETH ISRAEL DEACONESS MEDICAL CENTER · PI NICHOLSON-WELLER, ANNE · 1998 to 2007
$2.8M
Neutrophil ecto-Calreticulin: Implications for ImmunityR21AI057983 · NIAID · BETH ISRAEL DEACONESS MEDICAL CENTER · PI GHIRAN, IONITA CALIN · 2004 to 2005
$510k
NIAID NIH HHS AI057983NIAID NIH HHS AI42987NIAID NIH HHS R01 AI042987NIAID NIH HHS R21 AI057983NIDDK NIH HHS DK-034854NIDDK NIH HHS P30 DK034854
6 · The paper itself

Abstract

The primary identified function of complement receptor 1 (CR1/CD35) on primate erythrocytes is to bind complement-tagged inflammatory particles including microbes and immune complexes. When erythrocytes circulate through liver and spleen, sinusoidal phagocytes remove CR1-adherent particles and erythrocytes return to the circulation. This process of immune adherence clearance is important for host defense and prevention of autoimmunity. CR1 was previously described as clustered in the human erythrocyte membrane, which was thought to be necessary for binding complement-opsonized particles. In contrast, we demonstrate that on erythrocytes CR1 is not clustered, but dispersed, and able to bind complement-tagged particles. When fresh erythrocytes are solubilized by nonionic detergent, CR1 partitions to the cytoskeleton fraction. Using a PDZ-peptide array, CR1's cytoplasmic tail, which contains 2 PDZ-motifs, binds PDZ domains 2, 3, and 5 of Fas-associated phosphatase 1 (FAP-1), a scaffolding protein. We show that FAP-1, not previously recognized as an erythroid protein, is expressed on circulating erythrocytes. CR1 and FAP-1 coimmunoprecipitate, which confirms their molecular association. Disperse CR1 on erythrocytes may be advantageous for capturing immune-complexes, while ligation-induced CR1 clustering may prevent ingestion of the erythrocyte during the immune-complex transfer to the macrophages by keeping the opsonic stimulus localized thus preventing phagocyosis.

Indexed as

Amino Acid MotifsAutoimmunityCell AdhesionCluster AnalysisCross-Linking ReagentsCytoskeletonErythrocytesHumansImmune SystemMacrophagesProtein Array AnalysisProtein BindingProtein Structure, TertiaryProtein Tyrosine Phosphatase, Non-Receptor Type 13Receptors, Complement 3bCR1 protein, humanCross-Linking ReagentsProtein Tyrosine Phosphatase, Non-Receptor Type 13PTPN13 protein, humanReceptors, Complement 3b

Identifiers

PMID18684861
PMCPMC2569183
OpenAlexW2029980535

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.