Evidence map›Paper›PMID 35920091›Full record

ArticleBlood research2022

Association of CD40 gene polymorphisms and immune thrombocytopenic purpura in the adult Egyptian population.

Hend Nabil Ellithy, Sherif Mohamed Yousry, Asmaa Abdel-Aal, Lelian Tawadros, Nouran Momen

Open access · diamondAbstract read
In one paragraph

Article in Blood research, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
4citing papers in PubMed, 1 pooled it
1.4field-weighted citation impact, top 17% 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

4 citing papers in PubMed, 1 synthesis or guideline pooled it, 10 citations in OpenAlex.

  1. Evaluation ofFrontiers in medicine · 2026
    Pooled it
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  3. Review
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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 1 institution in 1 country.

Hend Nabil EllithyClinical Hematology Unit-Internal Medicine Department, Kasr Al Ainy Faculty of Medicine, Cairo University, Cairo, Egypt.
Sherif Mohamed YousryClinical and Chemical Pathology Department, Kasr Al Ainy Faculty of Medicine, Cairo University, Cairo, Egypt.
Asmaa Abdel-AalClinical and Chemical Pathology Department, Kasr Al Ainy Faculty of Medicine, Cairo University, Cairo, Egypt.
Lelian TawadrosClinical and Chemical Pathology Department, Kasr Al Ainy Faculty of Medicine, Cairo University, Cairo, Egypt.
Nouran MomenClinical and Chemical Pathology Department, Kasr Al Ainy Faculty of Medicine, Cairo University, Cairo, Egypt.
Cairo University · EG

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Background: The pathophysiology underlying primary adult immune thrombocytopenic purpura (ITP) has not yet been identified. However, many mechanisms affect the immune system, causing defective tolerance to self-platelets and megakaryocytes. Cluster of differentiation 40 (CD40) contributes to both humoral and cell-mediated immune responses. Methods: This case‒control study was conducted to detect rs4810485G>T and rs1883832C>T polymorphisms of CD40 in Egyptian patients with persistent/chronic ITP to clarify their possible association with chronic disease evolution. This study included 50 patients with persistent/chronic ITP and 50 healthy controls. Genotyping was performed using the polymerase chain reaction‒restriction fragment length polymorphism technique. Results: Genotyping of rs1883832 and rs4810485 revealed no statistically significant differences between the two groups. However, combined gene polymorphism genotyping showed a statistically significant difference between the two groups ( Conclusion: Our results indicate a strong association between the combined polymorphism of both genes and susceptibility to developing ITP among adult Egyptian patients. Targeting this pathway using novel therapeutic approaches is promising.

Indexed as

CD40Chronic ITPPolymorphismrs1883832rs4810485

Identifiers

PMID35920091
PMCPMC9492531
OpenAlexW4289711179

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.