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1.
Acta Laboratorium Animalis Scientia Sinica ; (6): 43-47, 2017.
Artículo en Chino | WPRIM | ID: wpr-509875

RESUMEN

Objective The purpose of this study was to compare the adenomyosis models in nude mice generated by four different methods,and to find out an optimal modeling method, and to provide an ideal animal model for exploring pathogenesis and experimental treatment of uterine adenomyosis. Methods 1. 80 female healthy nude mouse were divided randomly into 4 groups: Intraperitoneal implantation group, subcutaneous implantation group, intraperitoneal injection group, and subcutaneous injection group. The transplants were taken for pathological examination at 4 weeks after surgery. Results The success rate of intraperitoneal implantation group was 95%,and that of the subcutaneous implantation group was 45%,while the success rate of intraperitoneal injection group and subcutaneous injection group was 0%. Conclusions Establishment of a nude mouse model of uterine adenomyosis by intraperitoneal implantation method has a high success rate and with good stability, and is an ideal mouse model of human-derived uterine adenomyosis.

2.
Chinese Journal of Tissue Engineering Research ; (53): 3164-3169, 2017.
Artículo en Chino | WPRIM | ID: wpr-616354

RESUMEN

BACKGROUND: Osteoporosis is a serious threat to the health and quality of life in the elderly. It is important to establish an ideal experimental animal model to study the etiology and treatment of osteoporosis.OBJECTIVE: To establish a rat model of osteoporosis induced by different dosages of retinoic acid, thus selecting the optimal dosage.METHODS: Eighty female Sprague-Dawley rats were randomly divided into control, low-, middle- and high-dosage groups based on body mass (n=20 per group), The rats in the latter three groups were induced with 80, 100, and 120 mg/(kg?d) retinoic acid via gastric lavage for 14 days.RESULTS AND CONCLUSION: Compared with the control group, the bone mineral density, number of osteoblasts and osteoclasts, and bone microarchitecture in the low-dosage group showed no significant changes, while there were significant decrease in the serum level of calcium and bone mineral density of femur, significant increase in the number of osteoclasts at the femur and significant changes in the femoral microarchitecture in the middle- and high-dosage groups, especially in the middle-dose group. To conclude, 120 mg/(kg?d) retinoic acid via gastric lavage for 14 days can induce a stable osteoporosis model in rats.

3.
Acta Laboratorium Animalis Scientia Sinica ; (6): 217-220, 2016.
Artículo en Chino | WPRIM | ID: wpr-486205

RESUMEN

Thin endometrium is an important factor influencing the in vitro fertilization and embryo transfer, and there is a lack of effective therapy in the treatment of thin endometrium.The aim of this study was to explore a stable animal model of effective thin endometrium, and to promote the research on thin endometrium pathogenesis and provide experimen-tal basis of treatment.To analyze a variety of establishments of endometrial damage animal model reported in the domestic and foreign literatures,it is concluded that perfusing 95% ethanol into uterine cavities of rats can establish a rat model of thin endometrium,and put forward some experience and methods for its improvement.

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