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| Item Type: | Article |
|---|---|
| Title: | Obesity, colorectal cancer and MACC1 expression: a possible novel molecular association |
| Creators Name: | Bähr, I. and Jaeschke, L. and Nimptsch, K. and Janke, J. and Herrmann, P. and Kobelt, D. and Kielstein, H. and Pischon, T. and Stein, U. |
| Abstract: | Obesity is a major and increasing public health concern, associated with an increased risk of and mortality from several types of cancer including colorectal cancer (CRC), being associated with cancer progression, metastasis and resistance to therapy. It was hypothesized that the expression of cancer/metastasis‑inducing gene metastasis‑associated in colon cancer 1 (MACC1) is increased in obesity, which may constitute a link to obesity‑induced cancer. The present study thus analyzed circulating cell‑free plasma MACC1 expression levels in human obese (vs. normal weight) adult individuals from independent studies, namely the Martin Luther University (MLU) study (n=32) and the Metabolic syndrome study (MetScan, Berlin) (n=191). Higher plasma MACC1 levels were found in obese individuals, increasing with a greater body fat mass and body mass index; these levels were predominantly observed in male and to a lesser extent in female individuals, although the results were not significant. A reduction in body fat mass following dietary intervention and physical exercise decreased the MACC1 expression levels in the MLU study. Furthermore, Wistar rats with diet‑induced obesity exhibited slightly increased plasma MACC1 levels compared with rats of normal weight. The obese Wistar rats exposed to azoxymethane to induce colon cancer exhibited a more severe colon tumor outcome, which was associated with significantly increased MACC1 levels compared with their non‑obese littermates. On the whole, the findings of the present study suggest an association between MACC1 and obesity, as well as with obesity‑induced CRC. |
| Keywords: | Obesity, Colorectal Cancer, MACC1 Expression, Plasma, Human Subjects |
| Source: | International Journal of Oncology |
| ISSN: | 1019-6439 |
| Publisher: | Spandidos Publications |
| Volume: | 60 |
| Number: | 2 |
| Page Range: | 17 |
| Date: | February 2022 |
| Official Publication: | https://doi.org/10.3892/ijo.2022.5307 |
| PubMed: | View item in PubMed |
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