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http://purl.uniprot.org/citations/30591463http://www.w3.org/1999/02/22-rdf-syntax-ns#typehttp://purl.uniprot.org/core/Journal_Citation
http://purl.uniprot.org/citations/30591463http://www.w3.org/2000/01/rdf-schema#comment"

Background/aim

Identifying the role of the sympathetic nervous system (SNS) in tumor progression is among the most important challenges in cancer research. This study aimed to investigate the role of the SNS and β-adrenoreceptor in gastric cancer progression.

Materials and methods

The density of SNS was quantified by immunohistochemical staining for tyrosine hydroxylase in 115 surgically-resected gastric cancer specimens. Immunostaining for β1- and β2-adrenoreceptor was also performed to examine the β-adrenoreceptor expression status in gastric cancer. Then the association of protein expression status with histological grade, pathological tumor stage (pT), and pathological node stage of gastric cancer was investigated.

Results

The SNS density of pT4 tumors was significantly lower than that of pT1-3 tumors. The SNS density was positively correlated with β1-adrenoreceptor expression status. In addition, lower β1-adrenoreceptor expression was significantly associated with increased lymph node metastasis. Reduced β2-adrenoreceptor staining proportion was significantly associated with worse histological grade. Furthermore, the proportion of β2-adrenoreceptor staining was significantly lower in tumors with diffuse-type histology, than those with intestinal-type histology.

Conclusion

A lower SNS density and β-adrenoreceptor expression was associated with an aggressive oncogenic behavior including worse histological grade, advanced pT, and increased lymph node metastasis. SNS and β-adrenergic pathway are involved in the negative regulation of gastric cancer progression."xsd:string
http://purl.uniprot.org/citations/30591463http://purl.org/dc/terms/identifier"doi:10.21873/anticanres.13102"xsd:string
http://purl.uniprot.org/citations/30591463http://purl.uniprot.org/core/author"Kim H.S."xsd:string
http://purl.uniprot.org/citations/30591463http://purl.uniprot.org/core/author"Lim S.J."xsd:string
http://purl.uniprot.org/citations/30591463http://purl.uniprot.org/core/author"Sung J.Y."xsd:string
http://purl.uniprot.org/citations/30591463http://purl.uniprot.org/core/author"Kim G.Y."xsd:string
http://purl.uniprot.org/citations/30591463http://purl.uniprot.org/core/author"Won K.Y."xsd:string
http://purl.uniprot.org/citations/30591463http://purl.uniprot.org/core/author"Bae G.E."xsd:string
http://purl.uniprot.org/citations/30591463http://purl.uniprot.org/core/date"2019"xsd:gYear
http://purl.uniprot.org/citations/30591463http://purl.uniprot.org/core/name"Anticancer Res"xsd:string
http://purl.uniprot.org/citations/30591463http://purl.uniprot.org/core/pages"231-236"xsd:string
http://purl.uniprot.org/citations/30591463http://purl.uniprot.org/core/title"Lower Sympathetic Nervous System Density and beta-adrenoreceptor Expression Are Involved in Gastric Cancer Progression."xsd:string
http://purl.uniprot.org/citations/30591463http://purl.uniprot.org/core/volume"39"xsd:string
http://purl.uniprot.org/citations/30591463http://www.w3.org/2004/02/skos/core#exactMatchhttp://purl.uniprot.org/pubmed/30591463
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http://purl.uniprot.org/uniprot/P08588http://purl.uniprot.org/core/mappedCitationhttp://purl.uniprot.org/citations/30591463
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http://purl.uniprot.org/uniprot/A0A0M4LAM5http://purl.uniprot.org/core/mappedCitationhttp://purl.uniprot.org/citations/30591463
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