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<p>This study aimed to evaluate the effects of bone marrow–derived mesenchymal stem cell (BMMSC) transplantation and quercetin treatment on the testes of immature mice exposed to cyclophosphamide. Twenty-five prepubertal mice were divided into five groups: control; cyclophosphamide (CTX) group (150 mg/kg); quercetin + CTX group (quercetin 75 mg/kg/day intraperitoneally for 14 days plus CTX); CTX + BMMSC group (CTX followed by injection of 1 × 10<sup>6</sup> BMMSCs into each testis 24 h after CTX administration); and quercetin + CTX + BMMSC group (combination of quercetin, CTX, and BMMSC injection as described). At the end of the study, serum testosterone levels, biochemical markers, and histopathological and immunohistochemical analyses of testicular tissue were performed. CTX treatment significantly decreased serum testosterone levels and antioxidant enzymes such as superoxide dismutase (SOD) and catalase (CAT) in testicular tissue. CTX also caused tissue damage and increased expression of NF-κB protein (<i>p</i> &lt; 0.05). Treatment with quercetin and BMMSCs improved testicular tissue damage and oxidative stress markers. The findings suggest that quercetin and BMMSC therapy provide protective effects against cyclophosphamide-induced testicular injury in prepubertal mice through molecular and cellular mechanisms.</p>

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The role of mesenchymal stem cells and quercetin in preserving fertility in prepubertal male mice exposed to cyclophosphamide

  • 期刊论文

  • 发表日期：

    2025年9月1日

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  • Amirreza Jourabchi,
  • Morteza Abdi,
  • Leila Roshanghar,
  • Homa Aminzadeh Ghavifekr

摘要

This study aimed to evaluate the effects of bone marrow–derived mesenchymal stem cell (BMMSC) transplantation and quercetin treatment on the testes of immature mice exposed to cyclophosphamide. Twenty-five prepubertal mice were divided into five groups: control; cyclophosphamide (CTX) group (150 mg/kg); quercetin + CTX group (quercetin 75 mg/kg/day intraperitoneally for 14 days plus CTX); CTX + BMMSC group (CTX followed by injection of 1 × 106 BMMSCs into each testis 24 h after CTX administration); and quercetin + CTX + BMMSC group (combination of quercetin, CTX, and BMMSC injection as described). At the end of the study, serum testosterone levels, biochemical markers, and histopathological and immunohistochemical analyses of testicular tissue were performed. CTX treatment significantly decreased serum testosterone levels and antioxidant enzymes such as superoxide dismutase (SOD) and catalase (CAT) in testicular tissue. CTX also caused tissue damage and increased expression of NF-κB protein (p < 0.05). Treatment with quercetin and BMMSCs improved testicular tissue damage and oxidative stress markers. The findings suggest that quercetin and BMMSC therapy provide protective effects against cyclophosphamide-induced testicular injury in prepubertal mice through molecular and cellular mechanisms.