Evidence map›Paper›PMID 42262472›Full record

ArticleThe protein journal2026

Comparison of Immunogenicity of Cood-Cotd, CfaB-st-CfaE, and Cssa-Cssb-ltb Chimeric Proteins and Their Chitosan Nanoparticles Against ETEC in an Animal Model.

Behnam Zarei, Jafar Amani, Setareh Haghighat

Abstract readComparative Study
PubMed Publisher
In one paragraph

Article in The protein journal, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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1 · What the graph read from it

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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

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3 · Its place in the literature

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4 · The record

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5 · Who and what money

Authors and funding

3 authors.

Behnam ZareiDepartment of Microbiology, TeMS.C, Islamic Azad University, Tehran, Iran.
Jafar AmaniApplied Microbiology Research Center, Biomedicine Technologies Institute, Baqiyatallah University of Medical Sciences, Tehran, Vanak Sq.Molasadra St, P.O. Box 19395, Iran. jafar.amani@gmail.com.
Setareh HaghighatDepartment of Microbiology, TeMS.C, Islamic Azad University, Tehran, Iran.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Enterotoxigenic Escherichia coli (ETEC) remains a major cause of diarrheal disease, and colonization factors together with enterotoxins are key targets for vaccine development. In this study, three ETEC-derived chimeric proteins, Cssa-Cssb-LTB, CfaB-ST-CfaE-LTB, and CooD-CotD, were produced and evaluated in free and chitosan nanoparticle-formulated forms. The recombinant proteins were expressed in E. coli BL21 (DE3) using the pET-28a vector, purified by Ni-NTA affinity chromatography, and confirmed by western blotting. Chitosan nanoparticles containing each recombinant protein were prepared and used for immunization of BALB/c mice. Antigen-specific antibody responses were assessed by ELISA. Cssa-Cssb-LTB was purified under soluble/native conditions, whereas CfaB-ST-CfaE-LTB and CooD-CotD were purified under denaturing conditions. The mean sizes of nanoparticles containing Cssa-Cssb-LTB, CfaB-ST-CfaE-LTB, and CooD-CotD were 121.5, 24.93, and 63.22 nm, respectively. Immunological evaluation showed that the cocktail formulation induced the strongest immune response, followed by the oral-injection regimen. The recombinant chimeric proteins induced marked humoral immune responses, and formulation in chitosan nanoparticles enhanced their immunogenic potential. These findings support the potential of chimeric antigen-loaded chitosan nanoparticles as a promising strategy for ETEC vaccine development.

Indexed as

ChitosanEnterotoxigenic Escherichia coliEscherichia coli InfectionsEscherichia coli ProteinsEscherichia coli VaccinesFimbriae ProteinsNanoparticlesRecombinant Fusion ProteinsAnimalsEnterotoxinsFemaleMiceMice, Inbred BALB CNanovaccinesProtein Subunit VaccinesChitosanEnterotoxinsEscherichia coli ProteinsEscherichia coli VaccinesFimbriae ProteinsNanovaccinesProtein Subunit VaccinesRecombinant Fusion ProteinsCfaB-St-CfaEChimeric vaccineCood-CotdCssa-Cssb-ltb

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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.