RGD Reference Report - Dietary Consumption of Black Raspberries or Their Anthocyanin Constituents Alters Innate Immune Cell Trafficking in Esophageal Cancer. - Rat Genome Database

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Dietary Consumption of Black Raspberries or Their Anthocyanin Constituents Alters Innate Immune Cell Trafficking in Esophageal Cancer.

Authors: Peiffer, Daniel S  Wang, Li-Shu  Zimmerman, Noah P  Ransom, Benjamin W S  Carmella, Steven G  Kuo, Chieh-Ti  Chen, Jo-Hsin  Oshima, Kiyoko  Huang, Yi-Wen  Hecht, Stephen S  Stoner, Gary D 
Citation: Peiffer DS, etal., Cancer Immunol Res. 2016 Jan;4(1):72-82. doi: 10.1158/2326-6066.CIR-15-0091. Epub 2015 Nov 24.
RGD ID: 152998997
Pubmed: PMID:26603620   (View Abstract at PubMed)
DOI: DOI:10.1158/2326-6066.CIR-15-0091   (Journal Full-text)

Freeze-dried black raspberries (BRB), their component anthocyanins (AC), and a metabolite of BRB ACs, protocatechuic acid (PCA), inhibit the development of esophageal cancer in rats induced by the carcinogen, N-nitrosomethylbenzylamine (NMBA). All three components reduce inflammation in the esophagus and in plasma. The present study determined the relation of changes in inflammatory markers to infiltration of innate immune cells into NMBA-treated esophagus. Rats were injected with NMBA (0.35 mg/kg) for 5 weeks while on control diet. Following NMBA treatment, rats were fed diets containing 6.1% BRB powder, an AC-rich fraction of BRBs (3.8 μmol/g), or 500 ppm PCA. At weeks 15, 25, and 35, inflammatory biomarker expression in the plasma and esophagus was quantified, and infiltration of immune cells in the esophagus was examined. At all three time points, BRB, AC, and PCA similarly affected cytokine production in the esophagus and plasma of NMBA-treated rats, relative to the NMBA-only control. These included decreased expression of the proinflammatory cytokine IL1β and increased expression of the anti-inflammatory cytokine IL10. Moreover, all three diets also increased the expression of IL12, a cytokine that activates both cytolytic natural killer and CD8(+) T cells. In addition, the three diets also decreased infiltration of both macrophages and neutrophils into the esophagus. Overall, our results suggest that another mechanism by which BRBs, ACs, and PCA inhibit NMBA-induced esophageal tumorigenesis is by altering cytokine expression and innate immune cell trafficking into tumor tissues.

RGD Manual Disease Annotations    Click to see Annotation Detail View
TermQualifierEvidenceWithReferenceNotesSourceOriginal Reference(s)
esophageal cancer treatmentIEP 152998997; 152998997 RGD 
esophageal cancer treatmentISOIL10 (Homo sapiens)152998997; 152998997 RGD 
esophageal cancer treatmentISOIL1B (Homo sapiens)152998997; 152998997 RGD 

Objects Annotated

Genes (Rattus norvegicus)
Il10  (interleukin 10)
Il1b  (interleukin 1 beta)

Genes (Mus musculus)
Il10  (interleukin 10)
Il1b  (interleukin 1 beta)

Genes (Homo sapiens)
IL10  (interleukin 10)
IL1B  (interleukin 1 beta)


Additional Information