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Ultrasound Med Biol ; 40(7): 1535-44, 2014 Jul.
Article in English | MEDLINE | ID: mdl-24785439

ABSTRACT

One of the challenges in ovarian transplantation is ischemia-reperfusion damage. When transitional tissue faces an acute and critical condition in terms of blood supply (immediately after organ transplantation), treatment with low-intensity pulsed ultrasound (LIPUS) seems to be very beneficial. The aim of this study was to evaluate the effects of ultrasound therapy on heterotopic transplanted mouse ovarian tissue. Adult female Naval Medical Research Institute mice were divided into three groups. In the experimental groups, the transplanted ovary was exposed 5 min daily to ultrasound with an intensity of 0.3 W/cm(2), frequency of 3 MHz and pulse mode of 1:4. The grafted ovaries were assessed with the usual histology and immunohistochemistry techniques. Results indicate that more CD31 angiogenic factor was expressed in irradiated animals than in control animals, and ultrasound therapy resulted in better follicular preservation, especially after 14 d. In conclusion, therapeutic ultrasound may accelerate and increase re-angiogenesis and can help to promote ovarian follicular growth.


Subject(s)
Apoptosis/radiation effects , Neovascularization, Physiologic/radiation effects , Ovarian Follicle/growth & development , Ovarian Follicle/radiation effects , Ovary/transplantation , Ultrasonic Therapy/methods , Animals , Female , High-Energy Shock Waves , Mice , Ovarian Follicle/cytology , Treatment Outcome
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