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Protective effect of doxycycline on germinal epithelial loss caused by a high-fat diet

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Abstract

Introduction

A high-fat diet and male obesity are aspects associated with germinal epithelial alterations and male infertility. Some reports have shown that certain tetracyclines can protect the germinal epithelium from toxic drugs. The aim of the present study design was to evaluate the possible effect of doxycycline on testicular germ cells in individuals fed a Western diet (atherogenic), using a murine model.

Methods

Two groups of male mice (BALB/c) were fed a high-fat Western diet (HFD). One of these two groups was given doxycycline at a dose of 10 mg/kg/day (HFD+Dox). A third group was fed a standard rodent diet (SD group). After 6 months, the mice were euthanized and morphologic and histopathologic analyses were performed.

Results

Germinal epithelial height was similar between the SD group (54 μm) and the HFD+Dox group (53 μm) (p = 0.26), and it was significantly reduced in the HFD group (47 μm) (p = 0.0001). The degree of germinal epithelial loss (DGEL) was significantly lower in the SD (10) and HFD+Dox (12.5) groups than in the HFD group (30) (p = 0.0001 and =0.007, respectively). There were no differences in the DGEL between the SD and HFD+Dox groups (p = 0.42).

Conclusions

Doxycycline administration was shown to prevent germinal epithelial loss in the testes of mice fed a high-fat diet. Future studies are necessary to evaluate the clinical usefulness of doxycycline or its analogs in persons with a habitual high-fat diet.

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The present authors declare no conflict of interest.

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Correspondence to Jose Guzman-Esquivel.

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Delgado-Enciso, I., García-Rivera, A., Madrigal-Pérez, M.V.M. et al. Protective effect of doxycycline on germinal epithelial loss caused by a high-fat diet. Int Urol Nephrol 46, 895–899 (2014). https://doi.org/10.1007/s11255-013-0611-z

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  • DOI: https://doi.org/10.1007/s11255-013-0611-z

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