Potential effect of advanced glycation end products (AGEs) on spermatogenesis and sperm quality in rodents

2019 ◽  
Vol 10 (6) ◽  
pp. 3324-3333 ◽  
Author(s):  
Min-Chun Chen ◽  
Jer-An Lin ◽  
Hsin-Tang Lin ◽  
Sheng-Yi Chen ◽  
Gow-Chin Yen
Keyword(s):  
Advanced Glycation End Products ◽  
Sperm Quality ◽  
Potential Effect ◽  
Advanced Glycation ◽  
High Intake ◽  
Glycation End Products ◽  
End Products

High intake of advanced glycation end products (AGEs) impairs spermatogenesis and sperm quality in rodents.

scholarly journals Spermatogenic and sperm quality differences in an experimental model of metabolic syndrome and hypogonadal hypogonadism

Reproduction ◽  
2011 ◽  
Vol 142 (1) ◽  
pp. 63-71 ◽  
Author(s):  
Con Mallidis ◽  
Agnieszka Czerwiec ◽  
Sandra Filippi ◽  
Jason O'Neill ◽  
Mario Maggi ◽  
...  
Keyword(s):  
Metabolic Syndrome ◽  
Blood Glucose ◽  
Advanced Glycation End Products ◽  
Nuclear Dna ◽  
Sperm Quality ◽  
Moderate Increase ◽  
Advanced Glycation ◽  
Male Reproductive Function ◽  
Glycation End Products ◽  
End Products

The synergistic effect of the co-morbidities that comprise metabolic syndrome (MetS) is increasingly being recognised as an important contributor in the pathology of a broad spectrum of seemingly disparate conditions. However, in terms of male reproductive function, beyond erectile dysfunction, little is known about the influence of this cohort (collectively or separately) on spermatogenesis and sperm quality. The aims of this study were to assess the reproductive tract of a MetS animal model for detrimental changes, to determine whether a group of compounds (advanced glycation end products and their receptor) known to cause cell dysfunction and DNA damage was present and assess whether hypogonadotropic hypogonadism was the main contributing factor for the changes seen. Animals fed a high-fat diet were found to have significantly increased cholesterol, triglycerides, blood glucose, mean arterial pressure and visceral fat levels. Although serum testosterone was decreased, no changes were seen in either testicular or epididymal histology. Immunolocalisation ofNϵ-carboxymethyl-lysine and the receptor for advanced glycation end products was found in the testes, epididymides and sperm of the two treated groups of animals; however, ELISA did not show any difference in protein levels. Similarly, assessment of sperm nuclear DNA (nDNA) fragmentation by acridine orange test did not find significant differences in nDNA integrity. We conclude that the minimal effect on spermatogenesis and sperm quality seen in our model is probably due to the moderate increase of blood glucose rather than the hypogonadism.

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