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Pharmacological Activity of Quercetin and 5 Caffeoylquinic Acid Oral Intake in Male Balb/c Mice with Lung Adenocarcinoma.

Abstract：

BACKGROUND:Lung adenocarcinoma (LAC) is a major worldwide cause of death by cancer, it shows high aggressiveness, functional decline, systemic compromise and severe cachexia, which might be counteracted by dietary redox-active phytochemicals. Therefore, our aim was to establish the anticancer effects of the oral intake of quercetin and 5 caffeoylquinic acid. METHODS:LAC-1-bearing male Balb/c mice received quercetin (0-25 μg/kg/d) and 5 caffeoylquinic acid (0-120 μg/kg/d) for three weeks, with different organic and biochemical variables being then compared with ANOVA and the Fisher Test (p <0.05). RESULTS:Quercetin delayed 1.18 fold tumour appearance and increased 8.87 fold non-neoplastic body weight gain, whereas 5 caffeoylquinic acid did it in a lesser extent (1.17 and 2.48 fold, respectively), with tumour weight being consequent with the evolution time. Quercetin induced >1.15 fold tumour hydroperoxides and lipoperoxides, whereas 5 caffeoylquinic acid induced only lipoperoxides. Although both phytochemicals reduced <0.85 fold hydroperoxides and lipoperoxides in the kidney, only quercetin was also antioxidant in the liver. Additionally, 5 caffeoylquinic acid increased >1.15 fold hepatic and renal weights. Although these phytochemicals did not modify telencephalic interleukin 6 production, quercetin augmented 2.51 fold interleukin 6 in the diencephalon, whereas 5 caffeoylquinic acid decreased it 0.43 fold. CONCLUSIONS:Quercetin delayed lung adenocarcinoma appearance and increased the non-neoplastic body weight gain in mice with tumour oxidative stress, without brain interleukin 6 participation. 5 caffeoylquinic acid showed similar effects, although they were weaker. Additionally, quercetin acted as a hepatic and renal antioxidant, whereas 5 caffeoylquinic acid only exerted this effect in the kidney. Therefore, safe oral doses of this flavonoid are promissory to modulate lung cancer progression, with further studies being encouraged.

journal_name

Arch Med Res

journal_title

Archives of medical research

authors

Albrecht C,Cittadini MC,Soria EA

doi

10.1016/j.arcmed.2019.11.006

subject

Has Abstract

pub_date

2020-01-01 00:00:00

pages

8-12

issue

eissn

0188-4409

issn

1873-5487

pii

S0188-4409(19)30144-4

journal_volume

pub_type

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Pharmacological Activity of Quercetin and 5 Caffeoylquinic Acid Oral Intake in Male Balb/c Mice with Lung Adenocarcinoma.