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eISSN: 2083-8441
ISSN: 2081-237X
Pediatric Endocrinology Diabetes and Metabolism
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2/2019
vol. 25
 
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abstract:
Original paper

Ex vivo model for the assessment of the cytotoxicity of biological materialfrom patients with carbohydrate metabolism disturbances

Agnieszka Piwowar
1
,
Anna Rorbach-Dolata
1
,
Natalia Głogowska
2
,
Dorota Bednarska-Chabowska
3

  1. Department of Toxicology, Faculty of Pharmacy, Wroclaw Medical University, Poland
  2. Students’ Scientific Society at the Department of Toxicology, Faculty of Pharmacy, Wroclaw Medical University, Poland
  3. Department of Angiology, Hypertension, and Diabetes, Faculty of Postgraduate Medicine, Wroclaw Medical University, Poland
Pediatr Endocrinol Diabetes Metab 2019; 25 (2): 67-73
Online publish date: 2019/06/29
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Background
Carbohydrate metabolism disturbances have long been considered the cause of civilisation diseases, such as type 2 diabetes, obesity, or cardiovascular diseases. Currently an increasing number of theses also link impaired glucose and/or insulin metabolism to neurodegenerative diseases, calling them neurometabolic diseases.

Aim of the study
Aim of the study was to assess the cytotoxic influence of multicompound biological material (blood serum) from people with different carbohydrate metabolism disturbances to the viability of PC12 cell line.

Material and methods
Undifferentiated PC12 cell line were incubated for 48 hours in standard conditions with the addition of human serum from individuals with diffrent (low and high) levels of hyperglycaemia (LGL and HGL) and hyperinsulinaemia (LIL and HIL). The cytotoxicity was estimated by the MTT test, and the viability percentage (SP%) was calculated in relation to control samples (cells incubated only with RPMI).

Results
The obtained results indicate cytotoxic activity and decreased viability of the PC12 cells after 48 hours of incubation with human serum with different degrees of hyperglycaemia and insulinaemia. Cell viability increased slightly with the increase in glucose level but decreased with the increase in insulin concentration in individual groups, but without statistical significance.

Conclusions
Blood serum, as multicompound biological material, influences negatively PC12 cell line but in a variety of ways. Increasing hyperinsulinaemia has a higher cytotoxic effect on the cells than hyperglycaemia, which probably results from the fact that it is compensated by other components of biological material; however, further studies are necessary to obtain more detailed characteristics of these processes.

keywords:

cytotoxicity, hyperglycaemia, hyperinsulinaemia, biological material, PC12 cell line


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