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http://purl.uniprot.org/citations/33813049http://www.w3.org/1999/02/22-rdf-syntax-ns#typehttp://purl.uniprot.org/core/Journal_Citation
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Purpose

Augmented bronchial smooth muscle (BSM) contraction is a cause of airway hyperresponsiveness (AHR) in asthma. Increasing evidence suggest that C-C motif chemokine 2 (CCL2) modulates smooth muscle contractility by activating its binding partner C-C chemokine receptor type 2 (CCR2). In the present study, changes in the gene expression of CCL2/CCR2 axis were determined in the BSMs of a murine model of allergic asthma.

Materials and methods

The ovalbumin (OA)-sensitized mice were repeatedly challenged with aerosolized OA to induce asthmatic reaction. Twenty-four hours after the last antigen challenge, total RNAs of the main BSM tissues and bronchoalveolar lavage fluids (BALFs) were obtained.

Results

Our published microarray data (GEO accession No. GSE116504) detected changes in gene expression associated with the chemokine signaling pathway (KEGG Map ID: 04062) in BSMs of mice with AHR induced by antigen exposure. Among them, quantitative RT-PCR analyses showed significant increase in mRNA expression of Ccl2 and Ccr2. Analysis of BALFs also revealed a significant increase in Ccl2 protein in the airways of the diseased animals.

Conclusion

It is thus possible that, in association with the AHR, the CCL2/CCR2 axis is enhanced in the airways of allergic bronchial asthma."xsd:string
http://purl.uniprot.org/citations/33813049http://purl.org/dc/terms/identifier"doi:10.1016/j.resp.2021.103669"xsd:string
http://purl.uniprot.org/citations/33813049http://purl.uniprot.org/core/author"Chiba Y."xsd:string
http://purl.uniprot.org/citations/33813049http://purl.uniprot.org/core/author"Okumura K."xsd:string
http://purl.uniprot.org/citations/33813049http://purl.uniprot.org/core/author"Sakai H."xsd:string
http://purl.uniprot.org/citations/33813049http://purl.uniprot.org/core/author"Tamaki S."xsd:string
http://purl.uniprot.org/citations/33813049http://purl.uniprot.org/core/author"Yasuhara Y."xsd:string
http://purl.uniprot.org/citations/33813049http://purl.uniprot.org/core/author"Hanazaki M."xsd:string
http://purl.uniprot.org/citations/33813049http://purl.uniprot.org/core/author"Suto W."xsd:string
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http://purl.uniprot.org/citations/33813049http://purl.uniprot.org/core/name"Respir Physiol Neurobiol"xsd:string
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http://purl.uniprot.org/citations/33813049http://purl.uniprot.org/core/title"Increased Gene expression of CCL2/CCR2 axis in bronchial smooth muscles of allergen-challenged mice."xsd:string
http://purl.uniprot.org/citations/33813049http://purl.uniprot.org/core/volume"289"xsd:string
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