HYALURONIDASE PRETREATMENT IMPROVES THE CRYOPRESERVATION OF HUMAN OVARIAN TISSUE

被引:0
作者
Xiao, Zhun [1 ]
Huang, Zhong-Ying [1 ]
Zhang, Yao-Yao [1 ]
Fan, Wei [1 ]
Chen, Qiong [2 ]
机构
[1] Sichuan Univ, Minist Educ, West China Univ Hosp 2,Reprod Med Ctr, Key Lab Birth Defects & Related Dis Women & Child, Chengdu 610041, Sichuan, Peoples R China
[2] Sichuan Univ, West China Hosp 2, Neonatal Intens Care Unit, Chengdu 610041, Sichuan, Peoples R China
关键词
human ovarian tissue; slow freezing; primordial follicle; hyaluronidase; steroid hormone; FERTILITY PRESERVATION; TRANSPLANTATION; VITRIFICATION; CHILDHOOD; FOLLICLES; CHILDREN; PATIENT; GIRLS;
D O I
暂无
中图分类号
Q [生物科学];
学科分类号
07 ; 0710 ; 09 ;
摘要
BACKGROUND: Slow freezing has been widely applied to preserve human ovarian tissue. OBJECTIVE: The aim of this study is to determine whether human ovarian cortex pretreated with hyaluronidase can improve the protective effect of cryopreservation. MATERIALS AND METHODS: Human ovarian biopsies from seven patients were cryopreserved using slow freezing. The samples in the experimental group were incubated in culture medium with hyaluronidase for a short time before cryopreservation. The histology of the thawed ovarian tissue was investigated; the levels of steroid hormone in the culture media were then used to evaluate the development and function of thawed ovarian tissue. RESULTS: The result showed that the percentage of morphologically abnormal primordial follicles was higher in the freezing control than in the experimental group (P<0.05). 17 beta-estradiol (E-2) and progesterone (P-4) concentrations were significantly higher in the experimental group than in the freezing control group (P<0.05). CONCLUSION: Our study showed that human ovarian cortex pretreatment with hyaluronidase can improve the protective effect of cryopreservation by improving the penetration of cryoprotectant.
引用
收藏
页码:139 / 144
页数:6
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