The Role of Insulin, IGF-1 and PRAS40 in the Processes of Oncogenesis in Women with Type 2 Diabetes Mellitus and Endometrial Cancer

The objective of the research was to investigate the content of insulin, insulin-like growth factor-1 and phosphorylated protein kinase proline-rich Akt substrate of 40kDa and to determine their role in the activation of oncogenesis processes in women with type 2 diabetes mellitus and endometrial ca...

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Main Author: Vatseba, Tamara (Author)
Format: EJournal Article
Published: Ivano-Frankivsk National Medical University, 2019-12-28.
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LEADER 03293 am a22002773u 4500
001 galician_1076_946
042 |a dc 
100 1 0 |a Vatseba, Tamara  |e author 
245 0 0 |a The Role of Insulin, IGF-1 and PRAS40 in the Processes of Oncogenesis in Women with Type 2 Diabetes Mellitus and Endometrial Cancer 
260 |b Ivano-Frankivsk National Medical University,   |c 2019-12-28. 
500 |a https://ifnmujournal.com/gmj/article/view/1076 
520 |a The objective of the research was to investigate the content of insulin, insulin-like growth factor-1 and phosphorylated protein kinase proline-rich Akt substrate of 40kDa and to determine their role in the activation of oncogenesis processes in women with type 2 diabetes mellitus and endometrial cancer. Materials and methods. There were examined 46 women who were divided into 4 groups: Group I included healthy women; Group II comprised women with type 2 diabetes mellitus; Group III included women with endometrial cancer; Group IV comprised women with endometrial cancer and co-existent type 2 diabetes mellitus. The levels of insulin, insulin-like growth factor-1, phospho- proline-rich Akt substrate of 40kDa were determined by immune-enzyme analysis. The compensation of diabetes mellitus was evaluated by hemoglobin A1c level using method of ion-exchange chromatography. The results obtained were analyzed using statistical analysis. Results. Women of all study groups had increased levels of insulin and insulin-like growth factor-1 as compared to the control group (p<0.05). The level of phospho-proline-rich Akt substrate of 40kDa increased in the patients of Group II (p<0.05) and the patients of Group III (p<0.05) and decreased in the patients of Group IV (p<0.05). According to correlation analysis, phospho-proline-rich Akt substrate of 40kDa was found to correlate with body mass index, insulin and insulin-like growth factor-1 in Group II, body mass index and insulin-like growth factor-1 in Group III and body mass index in Group IV (p<0.05). Conclusions. There was found an association between type 2 diabetes mellitus and endometrial cancer through obesity, hyperinsulinemia and insulin-like growth factor-1. The increase in phospho- proline-rich Akt substrate of 40kDa level was a sign of activation of mTOR and oncogenesis processes in the patients with type 2 diabetes mellitus. The decrease in phospho-proline-rich Akt substrate of 40kDa in the patients with endometrial cancer and co-existent type 2 diabetes mellitus can be explained by the influence of other intracellular regulatory systems or the effects of antidiabetic drugs, that requires additional study. 
540 |a Copyright (c) 2019 Tamara Vatseba 
540 |a https://creativecommons.org/licenses/by-nc/4.0 
546 |a eng 
690 |a diabetes mellitus 
690 |a cancer risk 
690 |a endometrial cancer 
690 |a signaling pathways 
655 7 |a info:eu-repo/semantics/article  |2 local 
655 7 |a info:eu-repo/semantics/publishedVersion  |2 local 
786 0 |n Galician Medical Journal; Vol. 26 No. 4 (2019) 
786 0 |n Galician Medical Journal; Том 26 № 4 (2019) 
786 0 |n 2414-1518 
787 0 |n https://ifnmujournal.com/gmj/article/view/1076/946 
856 4 1 |u https://ifnmujournal.com/gmj/article/view/1076/946  |z Get Fulltext