Fertility and sterility · 2011
Polydeoxyribonucleotide administration improves the intra-testicular vascularization in rat experimental varicocele.
СтатьяНазвание и аннотация: Перевод в очереди
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Arena Salvatore, Minutoli Letteria, Arena Francesco, Nicotina Piero Antonio, Romeo Carmelo, Squadrito Francesco, Altavilla Domenica, Morgia Giuseppe, Magno Carlo
Аннотация
OBJECTIVE: To study the effect of PDRN on angiogenesis in a model of varicocele in rats.
DESIGN: After the creation of experimental varicocele, rats were randomized to one of the four treatments: vehicle, PDRN, DMPX, and PDRN plus DMPX. Twenty-one days after randomization, all animals were euthanized and the left testis was harvested.
SETTING: Academic hospital.
ANIMAL(S): Male Sprague-Dawley rats were used.
INTERVENTION(S): A clamp was passed behind the left renal vein distally to the spermatic vein insertion. A silk ligature was placed around the left renal vein at this site and was tied over the top of a probe. The latter was then withdrawn and the vein was allowed to expand. In shams, a suture was placed but it was not tied.
MAIN OUTCOME MEASURE(S): To assess testicular microvascular density using CD34 immunostaining.
RESULT(S): Microvascular density in the varicocele plus PDRN group was significantly higher than in other groups.
CONCLUSION(S): PDRN could represent a novel therapeutic strategy for varicocele treatment in subfertile patients, improving the innate pathophysiologic mechanism of neoangiogenesis, through compensatory oxygen and metabolite supply to tubular and extratubular testicular compartments.
DESIGN: After the creation of experimental varicocele, rats were randomized to one of the four treatments: vehicle, PDRN, DMPX, and PDRN plus DMPX. Twenty-one days after randomization, all animals were euthanized and the left testis was harvested.
SETTING: Academic hospital.
ANIMAL(S): Male Sprague-Dawley rats were used.
INTERVENTION(S): A clamp was passed behind the left renal vein distally to the spermatic vein insertion. A silk ligature was placed around the left renal vein at this site and was tied over the top of a probe. The latter was then withdrawn and the vein was allowed to expand. In shams, a suture was placed but it was not tied.
MAIN OUTCOME MEASURE(S): To assess testicular microvascular density using CD34 immunostaining.
RESULT(S): Microvascular density in the varicocele plus PDRN group was significantly higher than in other groups.
CONCLUSION(S): PDRN could represent a novel therapeutic strategy for varicocele treatment in subfertile patients, improving the innate pathophysiologic mechanism of neoangiogenesis, through compensatory oxygen and metabolite supply to tubular and extratubular testicular compartments.