Article ; Online: Impact of obesity and white adipose tissue inflammation on the omental microenvironment in endometrial cancer.
2022 Volume 128, Issue 18, Page(s) 3297–3309
Abstract: 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 ... ...
Abstract | 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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MeSH term(s) | Adipose Tissue, White ; Biomarkers ; Endometrial Neoplasms ; Female ; Humans ; Inflammation ; Metabolic Syndrome ; Obesity ; Tumor Microenvironment |
Chemical Substances | Biomarkers |
Language | English |
Publishing date | 2022-07-06 |
Publishing country | United States |
Document type | Journal Article ; Research Support, N.I.H., Extramural |
ZDB-ID | 1429-1 |
ISSN | 1097-0142 ; 0008-543X ; 1934-662X |
ISSN (online) | 1097-0142 |
ISSN | 0008-543X ; 1934-662X |
DOI | 10.1002/cncr.34356 |
Database | MEDical Literature Analysis and Retrieval System OnLINE |
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