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Lymphoid Organ Proteomes Identify Therapeutic Efficacy Biomarkers following the Intracavitary Administration of Curcumin in a Highly Invasive Rat Model of Peritoneal Mesothelioma

Abstract : This study aimed to identify the proteomic changes produced by curcumin treatment following stimulation of the host immune system in a rat model of malignant mesothelioma. We analyzed the proteomes of secondary lymphoid organs from four normal rats, four untreated tumorbearing rats, and four tumor-bearing rats receiving repeated intraperitoneal administrations of curcumin. Cross-comparing proteome analyses of histological sections of the spleen from the three groups first identified a list of eighty-three biomarkers of interest, thirteen of which corresponded to proteins already reported in the literature and involved in the anticancer therapeutic effects of curcumin. In a second step, comparing these data with proteomic analyses of histological sections of mesenteric lymph nodes revealed eight common biomarkers showing a similar pattern of changes in both lymphoid organs. Additional findings included a partial reduction of the increase in spleencirculating biomarkers, a decrease in C-reactive protein and complement C3 in the spleen and lymph nodes, and an increase in lymph node purine nucleoside phosphorylase previously associated with liver immunodeficiency. Our results suggest some protein abundance changes could be related to the systemic, distant non-target antitumor effects produced by this phytochemical.
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https://www.hal.inserm.fr/inserm-03331998
Contributor : Elizabeth Bernardo Connect in order to contact the contributor
Submitted on : Thursday, September 2, 2021 - 1:28:46 PM
Last modification on : Wednesday, October 20, 2021 - 3:19:38 AM

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Daniel Pouliquen, Alice Boissard, Cécile Henry, Stéphanie Blandin, Olivier Coqueret, et al.. Lymphoid Organ Proteomes Identify Therapeutic Efficacy Biomarkers following the Intracavitary Administration of Curcumin in a Highly Invasive Rat Model of Peritoneal Mesothelioma. International Journal of Molecular Sciences, MDPI, 2021, 22 (16), pp.8566. ⟨10.3390/ijms22168566⟩. ⟨inserm-03331998⟩

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