Poor Diet Quality is Associated with Premature Senescence of the Immune System in Survivors of Childhood Acute Lymphoblastic Leukaemia.

IF 2 4区 医学 Q3 NUTRITION & DIETETICS
Abderrahim Benmoussa, Tibila Kientega, Sophia Morel, Guillaume B Cardin, Sophie Bérard, Mickaël Wajnberg, Petko Valtchev, Alexandre Blondin Masse, Daniel Curnier, Maja Krajinovic, Caroline Laverdière, Daniel Sinnett, Emile Levy, Sophie Marcoux, Francis Rodier, Valérie Marcil
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引用次数: 0

Abstract

Acute lymphoblastic leukemia (ALL) is the most common pediatric cancer. Contributory factors such as inflammation and oxidative stress, in response to drug therapies, may induce premature aging and cellular senescence with a severe impact on cardiometabolic health. Premature immunoaging through cellular senescence can lead to lower thymic output of T-cell lymphocytes translated into lower circulating T-cell receptor excision circles (TRECs). We hypothesized TRECs levels are associated with diet quality and impacted by oxidative and inflammatory status in survivors of childhood ALL (cALL). Adolescents and young adults cALL survivors from the PETALE cohort (n = 241, 22.1 ± 6.3 years at diagnosis, 49.4% males) were assessed for TREC levels and adherence to six diet quality indexes. Healthy Diet Indicator (HDI) was associated with TREC levels (β = 50.0, p = 0.005, adjusted p = 0.03). Interleukin-6 (IL-6) and C-reactive protein (CRP) were found negatively associated with TREC levels (β = -80 and -80.1, p = 0.017 and 0.026, respectively) HDI. Further analysis revealed IL-6 and CRP to be moderating factors, but not mediators, of the association between HDI and TRECs. This study supports a positive impact of a healthy diet on premature aging of the immune system in survivors of cALL and unveils the moderating role of inflammation in this association.

不良饮食质量与儿童急性淋巴细胞白血病幸存者免疫系统过早衰老有关。
急性淋巴细胞白血病(ALL)是儿童最常见的癌症。在药物治疗的作用下,炎症和氧化应激等促成因素可能导致过早衰老和细胞衰老,对心脏代谢健康产生严重影响。细胞衰老导致的过早免疫老化可导致t细胞淋巴细胞胸腺输出量降低,转化为低循环t细胞受体切除圈(trec)。我们假设trec水平与儿童ALL幸存者的饮食质量有关,并受氧化和炎症状态的影响。来自PETALE队列的青少年和年轻成人cALL幸存者(n = 241,诊断时22.1±6.3岁,49.4%男性)评估TREC水平和对六项饮食质量指标的依从性。健康饮食指标(HDI)与TREC水平相关(β = 50.0, p = 0.005,调整后p = 0.03)。白细胞介素-6 (IL-6)和c反应蛋白(CRP)与TREC水平HDI呈负相关(β = -80和-80.1,p分别= 0.017和0.026)。进一步分析显示,IL-6和CRP是HDI和trec之间关系的调节因子,而不是中介因子。本研究支持健康饮食对cALL幸存者免疫系统过早衰老的积极影响,并揭示了炎症在这一关联中的调节作用。
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来源期刊
CiteScore
5.80
自引率
3.40%
发文量
172
审稿时长
3 months
期刊介绍: This timely publication reports and reviews current findings on the effects of nutrition on the etiology, therapy, and prevention of cancer. Etiological issues include clinical and experimental research in nutrition, carcinogenesis, epidemiology, biochemistry, and molecular biology. Coverage of therapy focuses on research in clinical nutrition and oncology, dietetics, and bioengineering. Prevention approaches include public health recommendations, preventative medicine, behavior modification, education, functional foods, and agricultural and food production policies.
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