Criopreserved ovarian tissue transplantation and bone restoration metabolism in castrated rats

ABSTRACT Objectives: to evaluate estradiol levels and autotransplantation heated ovarian tissue effects, after vitrification, on rats bone metabolism previously oophorectomized bilaterally. Methods: experimental study with 27 rats aged 11 to 12 weeks and weighing 200g to 300g, submitted to bilateral...

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Hauptverfasser: SILVA, LÍGIA HELENA FERREIRA MELO E, SILVA, JOÃO MARCOS DE MENESES E, SALAMA, MAHMOUD, PINHEIRO, LUIZ GONZAGA PORTO, LUNARDI, FRANCIELE OSMARINI, SILVA, PAULO GOBERLÂNIO BARROS DA, HIRTH, CARLOS GUSTAVO, LUCENA, IGOR FREITAS DE, GOMES, GLAUCO JORGE DA COSTA, LEITE, JOSÉ ALBERTO DIAS
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creator SILVA, LÍGIA HELENA FERREIRA MELO E
SILVA, JOÃO MARCOS DE MENESES E
SALAMA, MAHMOUD
PINHEIRO, LUIZ GONZAGA PORTO
LUNARDI, FRANCIELE OSMARINI
SILVA, PAULO GOBERLÂNIO BARROS DA
HIRTH, CARLOS GUSTAVO
LUCENA, IGOR FREITAS DE
GOMES, GLAUCO JORGE DA COSTA
LEITE, JOSÉ ALBERTO DIAS
description ABSTRACT Objectives: to evaluate estradiol levels and autotransplantation heated ovarian tissue effects, after vitrification, on rats bone metabolism previously oophorectomized bilaterally. Methods: experimental study with 27 rats aged 11 to 12 weeks and weighing 200g to 300g, submitted to bilateral oophorectomy and ovarian tissue cryopreservation for subsequent reimplantation. Animals were divided into two groups, A and B, with 8 and 19 rats, respectively. Autotransplantation occurred in two periods according to castration time: after one week, in group A, and after one month in group B. Serum estradiol measurements and ovary and tibia histological analysis were performed before and after oophorectomy period (early or late) and one month after reimplantation. Results: in groups A and B, tibia median cortical thickness was 0.463±0.14mm (mean±SD) at the baseline, 0.360±0.14mm after oophorectomy and 0.445±0.17mm one month after reimplantation p
doi_str_mv 10.6084/m9.figshare.19961892
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Methods: experimental study with 27 rats aged 11 to 12 weeks and weighing 200g to 300g, submitted to bilateral oophorectomy and ovarian tissue cryopreservation for subsequent reimplantation. Animals were divided into two groups, A and B, with 8 and 19 rats, respectively. Autotransplantation occurred in two periods according to castration time: after one week, in group A, and after one month in group B. Serum estradiol measurements and ovary and tibia histological analysis were performed before and after oophorectomy period (early or late) and one month after reimplantation. Results: in groups A and B, tibia median cortical thickness was 0.463±0.14mm (mean±SD) at the baseline, 0.360±0.14mm after oophorectomy and 0.445±0.17mm one month after reimplantation p&lt;0.005). Trabecular means were 0.050±0.08mm (mean±SD) at baseline, 0.022±0.08mm after oophorectomy and 0.049±0.032mm one month after replantation (p&lt;0.005). There was no statistical difference in estradiol variation between the two study groups (p=0.819). Conclusion: cryopreserved ovarian tissue transplantation restored bone parameters, and these results suggest that ovarian reimplantation in women may have the same beneficial effects on bone metabolism.</description><identifier>DOI: 10.6084/m9.figshare.19961892</identifier><language>eng</language><publisher>SciELO journals</publisher><subject>FOS: Clinical medicine ; Surgery</subject><creationdate>2022</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>782,1896</link.rule.ids><linktorsrc>$$Uhttps://commons.datacite.org/doi.org/10.6084/m9.figshare.19961892$$EView_record_in_DataCite.org$$FView_record_in_$$GDataCite.org$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>SILVA, LÍGIA HELENA FERREIRA MELO E</creatorcontrib><creatorcontrib>SILVA, JOÃO MARCOS DE MENESES E</creatorcontrib><creatorcontrib>SALAMA, MAHMOUD</creatorcontrib><creatorcontrib>PINHEIRO, LUIZ GONZAGA PORTO</creatorcontrib><creatorcontrib>LUNARDI, FRANCIELE OSMARINI</creatorcontrib><creatorcontrib>SILVA, PAULO GOBERLÂNIO BARROS DA</creatorcontrib><creatorcontrib>HIRTH, CARLOS GUSTAVO</creatorcontrib><creatorcontrib>LUCENA, IGOR FREITAS DE</creatorcontrib><creatorcontrib>GOMES, GLAUCO JORGE DA COSTA</creatorcontrib><creatorcontrib>LEITE, JOSÉ ALBERTO DIAS</creatorcontrib><title>Criopreserved ovarian tissue transplantation and bone restoration metabolism in castrated rats</title><description>ABSTRACT Objectives: to evaluate estradiol levels and autotransplantation heated ovarian tissue effects, after vitrification, on rats bone metabolism previously oophorectomized bilaterally. Methods: experimental study with 27 rats aged 11 to 12 weeks and weighing 200g to 300g, submitted to bilateral oophorectomy and ovarian tissue cryopreservation for subsequent reimplantation. Animals were divided into two groups, A and B, with 8 and 19 rats, respectively. Autotransplantation occurred in two periods according to castration time: after one week, in group A, and after one month in group B. Serum estradiol measurements and ovary and tibia histological analysis were performed before and after oophorectomy period (early or late) and one month after reimplantation. Results: in groups A and B, tibia median cortical thickness was 0.463±0.14mm (mean±SD) at the baseline, 0.360±0.14mm after oophorectomy and 0.445±0.17mm one month after reimplantation p&lt;0.005). Trabecular means were 0.050±0.08mm (mean±SD) at baseline, 0.022±0.08mm after oophorectomy and 0.049±0.032mm one month after replantation (p&lt;0.005). There was no statistical difference in estradiol variation between the two study groups (p=0.819). 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Methods: experimental study with 27 rats aged 11 to 12 weeks and weighing 200g to 300g, submitted to bilateral oophorectomy and ovarian tissue cryopreservation for subsequent reimplantation. Animals were divided into two groups, A and B, with 8 and 19 rats, respectively. Autotransplantation occurred in two periods according to castration time: after one week, in group A, and after one month in group B. Serum estradiol measurements and ovary and tibia histological analysis were performed before and after oophorectomy period (early or late) and one month after reimplantation. Results: in groups A and B, tibia median cortical thickness was 0.463±0.14mm (mean±SD) at the baseline, 0.360±0.14mm after oophorectomy and 0.445±0.17mm one month after reimplantation p&lt;0.005). Trabecular means were 0.050±0.08mm (mean±SD) at baseline, 0.022±0.08mm after oophorectomy and 0.049±0.032mm one month after replantation (p&lt;0.005). There was no statistical difference in estradiol variation between the two study groups (p=0.819). Conclusion: cryopreserved ovarian tissue transplantation restored bone parameters, and these results suggest that ovarian reimplantation in women may have the same beneficial effects on bone metabolism.</abstract><pub>SciELO journals</pub><doi>10.6084/m9.figshare.19961892</doi><oa>free_for_read</oa></addata></record>
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Surgery
title Criopreserved ovarian tissue transplantation and bone restoration metabolism in castrated rats
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