Ovine secondary follicles vitrified out the ovarian tissue grow and develop in vitro better than those vitrified into the ovarian fragments
Cryopreservation of preantral follicles is a promising technique to preserve female fertility. The aim of this study was to evaluate the effect of vitrification on the development of secondary follicles included in ovarian tissue or isolated after microdissection. An important end point included is...
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| Veröffentlicht in: | Theriogenology 2016-04, Vol.85 (7), p.1203-1210 |
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| creator | Lunardi, Franciele Osmarini de Aguiar, Francisco Leo Nascimento Duarte, Ana Beatriz Graça Araújo, Valdevane Rocha de Lima, Laritza Ferreira Ribeiro de Sá, Naiza Arcângela Vieira Correia, Hudson Henrique Domingues, Sheyla Farhayldes Souza Campello, Cláudio Cabral Smitz, Johan de Figueiredo, José Ricardo Ribeiro Rodrigues, Ana Paula |
| description | Cryopreservation of preantral follicles is a promising technique to preserve female fertility. The aim of this study was to evaluate the effect of vitrification on the development of secondary follicles included in ovarian tissue or isolated after microdissection. An important end point included is the capacity of grown oocytes to resume meiosis. Sheep ovarian cortexes were cut into fragments and split into three different groups: (1) fresh (control): secondary follicles isolated without any previous vitrification; (2) follicle-vitrification (follicle-vit): secondary follicles vitrified in isolated form; and (3) tissue-vitrification (tissue-vit): secondary follicles vitrified within fragments of ovarian tissue (in situ former) and subsequently subjected to isolation. From the three groups, isolated secondary follicles were submitted to IVC for 18 days. After IVC, cumulus-oocyte complexes (COCs) were harvested from follicles. As an additional control group, in vivo grown, in vivo-grown COCs were collected from antral ovarian follicles. All, recovered COCs were matured and the chromatin configuration was evaluated. Data were analyzed by ANOVA, and the means were compared by Student-Newman-Keuls test, and by chi-square. Differences were considered to be significant when P 0.05), and was higher (P |
| doi_str_mv | 10.1016/j.theriogenology.2015.10.043 |
| format | Article |
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The aim of this study was to evaluate the effect of vitrification on the development of secondary follicles included in ovarian tissue or isolated after microdissection. An important end point included is the capacity of grown oocytes to resume meiosis. Sheep ovarian cortexes were cut into fragments and split into three different groups: (1) fresh (control): secondary follicles isolated without any previous vitrification; (2) follicle-vitrification (follicle-vit): secondary follicles vitrified in isolated form; and (3) tissue-vitrification (tissue-vit): secondary follicles vitrified within fragments of ovarian tissue (in situ former) and subsequently subjected to isolation. From the three groups, isolated secondary follicles were submitted to IVC for 18 days. After IVC, cumulus-oocyte complexes (COCs) were harvested from follicles. As an additional control group, in vivo grown, in vivo-grown COCs were collected from antral ovarian follicles. All, recovered COCs were matured and the chromatin configuration was evaluated. Data were analyzed by ANOVA, and the means were compared by Student-Newman-Keuls test, and by chi-square. Differences were considered to be significant when P < 0.05. Isolated preantral follicles from all treatments had normal morphology, antrum formation, and low follicle degeneration after IVC. The growth rate between control and follicle-vit did not differ (P > 0.05), and was higher (P < 0.05) than for tissue-vit. The percentage of follicles that decreased diameter during IVC was significantly higher in tissue-vit than the in follicle-vit. Recovery rate of oocytes from normal follicles was higher in follicle-vit than in tissue-vit. Furthermore, oocyte viability was lower in tissue-vit than other treatments, and follicle-vit did not differ from control and in vivo grown. The percentage of oocytes meiosis resuming was not different between treatments except for in vivo grown. After vitrification, only follicle-vit showed metaphase I oocyte. We conclude that secondary follicles vitrified after isolation displayed a better follicular growth rate, oocyte viability, percentage of oocytes reaching the metaphase I stage, and fewer follicles with decreased diameter after IVC.</description><identifier>ISSN: 0093-691X</identifier><identifier>EISSN: 1879-3231</identifier><identifier>DOI: 10.1016/j.theriogenology.2015.10.043</identifier><identifier>PMID: 26852069</identifier><language>eng</language><publisher>United States: Elsevier Inc</publisher><subject>Animals ; Cryopreservation ; Female ; Follicular development ; Meiosis ; Oocyte maturation ; Ovarian Follicle - physiology ; Ovary ; Ovine/sheep ; Sheep - physiology ; Tissue Preservation - methods ; Tissue Preservation - veterinary ; Vitrification</subject><ispartof>Theriogenology, 2016-04, Vol.85 (7), p.1203-1210</ispartof><rights>2016 Elsevier Inc.</rights><rights>Copyright © 2016 Elsevier Inc. All rights reserved.</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c510t-14bff67a3dd941f75f57a8f17ec2879f656b6c29aec2310a00ce4e7d5de2bf923</citedby><cites>FETCH-LOGICAL-c510t-14bff67a3dd941f75f57a8f17ec2879f656b6c29aec2310a00ce4e7d5de2bf923</cites><orcidid>0000-0003-0062-7252</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.theriogenology.2015.10.043$$EHTML$$P50$$Gelsevier$$Hfree_for_read</linktohtml><link.rule.ids>314,776,780,3536,27903,27904,45974</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/26852069$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Lunardi, Franciele Osmarini</creatorcontrib><creatorcontrib>de Aguiar, Francisco Leo Nascimento</creatorcontrib><creatorcontrib>Duarte, Ana Beatriz Graça</creatorcontrib><creatorcontrib>Araújo, Valdevane Rocha</creatorcontrib><creatorcontrib>de Lima, Laritza Ferreira</creatorcontrib><creatorcontrib>Ribeiro de Sá, Naiza Arcângela</creatorcontrib><creatorcontrib>Vieira Correia, Hudson Henrique</creatorcontrib><creatorcontrib>Domingues, Sheyla Farhayldes Souza</creatorcontrib><creatorcontrib>Campello, Cláudio Cabral</creatorcontrib><creatorcontrib>Smitz, Johan</creatorcontrib><creatorcontrib>de Figueiredo, José Ricardo</creatorcontrib><creatorcontrib>Ribeiro Rodrigues, Ana Paula</creatorcontrib><title>Ovine secondary follicles vitrified out the ovarian tissue grow and develop in vitro better than those vitrified into the ovarian fragments</title><title>Theriogenology</title><addtitle>Theriogenology</addtitle><description>Cryopreservation of preantral follicles is a promising technique to preserve female fertility. The aim of this study was to evaluate the effect of vitrification on the development of secondary follicles included in ovarian tissue or isolated after microdissection. An important end point included is the capacity of grown oocytes to resume meiosis. Sheep ovarian cortexes were cut into fragments and split into three different groups: (1) fresh (control): secondary follicles isolated without any previous vitrification; (2) follicle-vitrification (follicle-vit): secondary follicles vitrified in isolated form; and (3) tissue-vitrification (tissue-vit): secondary follicles vitrified within fragments of ovarian tissue (in situ former) and subsequently subjected to isolation. From the three groups, isolated secondary follicles were submitted to IVC for 18 days. After IVC, cumulus-oocyte complexes (COCs) were harvested from follicles. As an additional control group, in vivo grown, in vivo-grown COCs were collected from antral ovarian follicles. All, recovered COCs were matured and the chromatin configuration was evaluated. Data were analyzed by ANOVA, and the means were compared by Student-Newman-Keuls test, and by chi-square. Differences were considered to be significant when P < 0.05. Isolated preantral follicles from all treatments had normal morphology, antrum formation, and low follicle degeneration after IVC. The growth rate between control and follicle-vit did not differ (P > 0.05), and was higher (P < 0.05) than for tissue-vit. The percentage of follicles that decreased diameter during IVC was significantly higher in tissue-vit than the in follicle-vit. Recovery rate of oocytes from normal follicles was higher in follicle-vit than in tissue-vit. Furthermore, oocyte viability was lower in tissue-vit than other treatments, and follicle-vit did not differ from control and in vivo grown. The percentage of oocytes meiosis resuming was not different between treatments except for in vivo grown. After vitrification, only follicle-vit showed metaphase I oocyte. We conclude that secondary follicles vitrified after isolation displayed a better follicular growth rate, oocyte viability, percentage of oocytes reaching the metaphase I stage, and fewer follicles with decreased diameter after IVC.</description><subject>Animals</subject><subject>Cryopreservation</subject><subject>Female</subject><subject>Follicular development</subject><subject>Meiosis</subject><subject>Oocyte maturation</subject><subject>Ovarian Follicle - physiology</subject><subject>Ovary</subject><subject>Ovine/sheep</subject><subject>Sheep - physiology</subject><subject>Tissue Preservation - methods</subject><subject>Tissue Preservation - veterinary</subject><subject>Vitrification</subject><issn>0093-691X</issn><issn>1879-3231</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2016</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqNkU1KxDAUx4MoOo5eQbJw4aZj0k7TKbgR8QsENwruQpq8jBk6yZiklbmDh_AsnsyUUdGdqxDe_4P3fggdUzKhhLLTxSQ-gzduDta1br6e5ISWaTQh02ILjeisqrMiL-g2GhFSFxmr6dMe2g9hQQgpGKO7aC9nszInrB6ht_veWMABpLNK-DXWrm2NbCHg3kRvtAGFXRdxKsWuF94Ii6MJoQM89-4VC6uwgh5at8LGfrwPLocbiBF8Mg3qZxfgV5qx0f2J017Ml2BjOEA7WrQBDr_eMXq8uny4uMnu7q9vL87vMllSEjM6bbRmlSiUqqdUV6UuKzHTtAKZp-01K1nDZF6L9C8oEYRImEKlSgV5o-u8GKOTTe7Ku5cOQuRLEyS0rbDgusBpVZWUsVm61xidbaTSuxA8aL7yZpkOxSnhAw--4H958IHHME08kv3oq6lrlqB-zN8AkuBqI4C0b2_A8yANWAnKeJCRK2f-1_QJNbmqgQ</recordid><startdate>20160415</startdate><enddate>20160415</enddate><creator>Lunardi, Franciele Osmarini</creator><creator>de Aguiar, Francisco Leo Nascimento</creator><creator>Duarte, Ana Beatriz Graça</creator><creator>Araújo, Valdevane Rocha</creator><creator>de Lima, Laritza Ferreira</creator><creator>Ribeiro de Sá, Naiza Arcângela</creator><creator>Vieira Correia, Hudson Henrique</creator><creator>Domingues, Sheyla Farhayldes Souza</creator><creator>Campello, Cláudio Cabral</creator><creator>Smitz, Johan</creator><creator>de Figueiredo, José Ricardo</creator><creator>Ribeiro Rodrigues, Ana Paula</creator><general>Elsevier Inc</general><scope>6I.</scope><scope>AAFTH</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope><orcidid>https://orcid.org/0000-0003-0062-7252</orcidid></search><sort><creationdate>20160415</creationdate><title>Ovine secondary follicles vitrified out the ovarian tissue grow and develop in vitro better than those vitrified into the ovarian fragments</title><author>Lunardi, Franciele Osmarini ; 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The aim of this study was to evaluate the effect of vitrification on the development of secondary follicles included in ovarian tissue or isolated after microdissection. An important end point included is the capacity of grown oocytes to resume meiosis. Sheep ovarian cortexes were cut into fragments and split into three different groups: (1) fresh (control): secondary follicles isolated without any previous vitrification; (2) follicle-vitrification (follicle-vit): secondary follicles vitrified in isolated form; and (3) tissue-vitrification (tissue-vit): secondary follicles vitrified within fragments of ovarian tissue (in situ former) and subsequently subjected to isolation. From the three groups, isolated secondary follicles were submitted to IVC for 18 days. After IVC, cumulus-oocyte complexes (COCs) were harvested from follicles. As an additional control group, in vivo grown, in vivo-grown COCs were collected from antral ovarian follicles. All, recovered COCs were matured and the chromatin configuration was evaluated. Data were analyzed by ANOVA, and the means were compared by Student-Newman-Keuls test, and by chi-square. Differences were considered to be significant when P < 0.05. Isolated preantral follicles from all treatments had normal morphology, antrum formation, and low follicle degeneration after IVC. The growth rate between control and follicle-vit did not differ (P > 0.05), and was higher (P < 0.05) than for tissue-vit. The percentage of follicles that decreased diameter during IVC was significantly higher in tissue-vit than the in follicle-vit. Recovery rate of oocytes from normal follicles was higher in follicle-vit than in tissue-vit. Furthermore, oocyte viability was lower in tissue-vit than other treatments, and follicle-vit did not differ from control and in vivo grown. The percentage of oocytes meiosis resuming was not different between treatments except for in vivo grown. After vitrification, only follicle-vit showed metaphase I oocyte. We conclude that secondary follicles vitrified after isolation displayed a better follicular growth rate, oocyte viability, percentage of oocytes reaching the metaphase I stage, and fewer follicles with decreased diameter after IVC.</abstract><cop>United States</cop><pub>Elsevier Inc</pub><pmid>26852069</pmid><doi>10.1016/j.theriogenology.2015.10.043</doi><tpages>8</tpages><orcidid>https://orcid.org/0000-0003-0062-7252</orcidid><oa>free_for_read</oa></addata></record> |
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| subjects | Animals Cryopreservation Female Follicular development Meiosis Oocyte maturation Ovarian Follicle - physiology Ovary Ovine/sheep Sheep - physiology Tissue Preservation - methods Tissue Preservation - veterinary Vitrification |
| title | Ovine secondary follicles vitrified out the ovarian tissue grow and develop in vitro better than those vitrified into the ovarian fragments |
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