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Inhalation Toxicology
International Forum for Respiratory Research
Volume 31, 2019 - Issue 5
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Research Articles

Influence of prenatal waterpipe tobacco smoke exposure on renal biomarkers in adult offspring rats

, , ORCID Icon & ORCID Icon
Pages 171-179 | Received 04 Feb 2019, Accepted 13 May 2019, Published online: 10 Jun 2019
 

Abstract

Background: Waterpipe tobacco smoke (WTS) is a popular form of tobacco consumption. Prenatal exposure to cigarette smoke altered kidney function and oxidative stress balance in offspring. However, the effect of prenatal WTS exposure on kidney function parameters, blood pressure and oxidative stress in adult offspring rats were unknown.

Methods: Pregnant Wister rats were exposed to either WTS for 2 hours per day utilizing a whole body exposure system or fresh air from day 0 of gestation to day 21. Systolic blood pressure, histological analysis of kidney, kidney function biomarkers [angiotensin converting enzyme (ACE), angiotensin I, angiotensin II, urea nitrogen, creatinine and albumin], and oxidative stress biomarkers (glutathione peroxidase (GPx), catalase and thiobarbituric acid reactive substances (TBARS)) were measured in male- and female- offspring rats on week 20.

Results: Prenatal exposure to WTS significantly decreased kidneys’ weight and glomeruli area (p < 0.05) in offspring rats. Prenatal WTS exposure increased blood pressure in offspring rats (p < 0.05). Further, prenatal WTS exposure increased the level of urine albumin (p < 0.05) in offspring rats. Prenatal WTS exposure increased the level of ACE and angiotensin I (p < 0.05) in female offspring rats. Prenatal WTS exposure increased the level of TBARS (p < 0.05) in female offspring rats and there was a trend of decreased activity of GPx in male and female offspring rats, but was not significant (p > 0.05).

Conclusions: Maternal WTS exposure during pregnancy resulted in detrimental effects on the renal system as indicated by altered kidney parameters and function, increased systolic blood pressure and oxidative stress in adult offspring rats.

Acknowledgments

The authors thank Jordan University of Science and Technology for funding this work. The authors thank Laila Abu Haweileh, Msc, Weam Alyacoub, BSc, Yehya Almahmoud, BSc for their technical assistance.

Declaration of interests

The authors declare that they have no conflict of interest.

Additional information

Funding

This work was supported by Deanship of Research in Jordan University of Science and Technology (grant number 203/2017).

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