期刊
CANCER
卷 128, 期 18, 页码 3297-3309出版社
WILEY
DOI: 10.1002/cncr.34356
关键词
endometrial cancer; obesity; RNA-sequencing; tissue inflammation; white adipose
类别
资金
- Cancer Center Support Grant of the National Institutes of Health/National Cancer Institute [P30 CA008748]
This study investigated the relationship between white adipose tissue (WAT) inflammation and endometrial cancer (EC). It found that WAT inflammation was associated with metabolic syndrome, obesity, and increased levels of inflammatory markers, as well as upregulation of proinflammatory and proneoplastic genes.
Background A complex relationship between adipose tissue and malignancy, involving an inflammatory response, has been reported. The goal of this work was to assess the prevalence of white adipose tissue (WAT) inflammation in patients with endometrial cancer (EC), and the association with circulating inflammation markers. Furthermore, the aim was to characterize the pathways activated in and the cell type composition of adipose tissue in patients with EC. Methods Adipose tissue and blood samples were prospectively collected from 101 patients with EC at initial surgery. WAT inflammation was determined based on adipocytes surrounded by macrophages forming crown-like structures. Circulating levels of metabolic syndrome-associated and inflammatory markers were quantified. RNA-sequencing was performed on adipose samples (n = 55); differential gene expression, pathway, and cellular decomposition analyses were performed using state-of-the-art bioinformatics methods. Results WAT inflammation was identified in 46 (45.5%) of 101 EC patients. Dyslipidemia, hypertension, and diabetes mellitus were significantly associated with WAT inflammation (p < .05). WAT inflammation was associated with greater body mass index (p < .001) and higher circulating levels of leptin, high-sensitivity C-reactive protein, and interleukin-6, as well as lower levels of adiponectin and sex hormone-binding globulin (p < .05). Transcriptomic analysis demonstrated increased levels of proinflammatory and pro-neoplastic-related gene expression in inflamed omental adipose tissue. Conclusions WAT inflammation is associated with metabolic syndrome, obesity, and inflammatory markers, as well as increased expression of proinflammatory and proneoplastic genes.
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