Abstract Title:

[Morinda officinalis extract repairs cytoxan-impaired spermatogenesis of male rats].

Abstract Source:

Zhonghua Nan Ke Xue. 2015 May ;21(5):436-42. PMID: 26117943

Abstract Author(s):

Tong-jun Chen, Wei Wang

Article Affiliation:

Tong-jun Chen


OBJECTIVE: To study the effect of Morinda officinalis (MO) extract on cytoxan (CTX) -impaired spermatogenesis of adult male SD rats.

METHODS: We randomly divided 56 adult male SD rats into seven groups of equal number: blank control, CTX model, CTX + NS, CTX + 10 g/kg MO, CTX + 20 g/kg MO, CTX + 30 g/kg MO, and CTX + 40 g/kg MO. We made the models of impaired spermatogenesis in the SD rats by intraperitoneal injection of CTX and treated the animal models by intragastric administration of MO at the concentrations of 10, 20, 30, and 40 g per kg per d, respectively. After two weeks of medication, we observed the changes in the body weight, testicular and epididymal indexes, and microstructure of the testis tissue, measured the mean seminiferous tubule diameter (MSTD) , and obtained testicular biopsy scores (TBS) in different groups, followed by comparative analyses.

RESULTS: After treatment, the CTX + NS group showed no remarkable differences in the body weight ([234.83± 28.77] g) and epididymal index (2.71 ± 0.34) from those of the four CTX + MO groups, but exhibited a significantly lower testicular index ([12.15 ± 1.04] g) than those in the CTX + 20 g/kg MO ([13.71 ± 0.97] g), CTX + 30 g/kg MO, ([13.30 ± 0.29] g), and CTX + 40 g/kg MO group ([13.48 ± 0.51]g) (P<0.05). Light microscopy revealed obvious pathological changes of the testis tissue in the CTX + NS group and significantly ameliorated structures of the seminiferous tubules in the CTX + MO 10, 20, 30, and 40 g/kg groups, with the MSTD of (204.78± 11.03), (216.55 ± 10.93), (218.03 ± 11.23), and (218.59 ± 14.06) μm, respectively, and the TBS of 9.03 ± 0.39, 9.69 ± 0.26, 9.83 ± 0.18, and 9.89 ± 0.11, respectively, all significantly higher than (189.74 ± 8.55) μm and 5.95 ± 1.21 in the CTX + NS group (P<0.05). The efficacy of MO extract was increased in a concentration-dependent manner.

CONCLUSION: Morinda officinalis extract can repair cytoxan-induced damage to rat spermatogenesis, with may achieve the best effect at the concentrations of 30 and 40 g per kg per d.

Study Type : Animal Study

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