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Characterization of follicles in girls and young women with Turner syndrome who underwent ovarian tissue cryopreservation

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Date
06/2019
Author
Mamsen, Linn Salto
Charkiewicz, Karol
Anderson, Richard A.
Telfer, Evelyn E.
McLaughlin, Marie
Kelsey, Thomas W.
Kristensen, Stine G.
Gook, Debra A.
Ernst, Erik
Andersen, Claus Yding
Keywords
Turner syndrome
Follicle density
Ovarian tissue cryopreservation
QA75 Electronic computers. Computer science
QH301 Biology
RG Gynecology and obstetrics
NDAS
Metadata
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Abstract
Objective: To characterize ovarian follicles of girls and young women with Turner syndrome (TS) who underwent ovarian tissue cryopreservation (OTC). Design: Retrospective case-control study. Setting: University hospital. Patient(s): Fifteen girls and young women with TS aged 5-22 years at OTC were included, together with 42 control girls and young women aged 1-25 years who underwent OTC because of cancer. Intervention(s): None. Main Outcome Measure(s): Follicle density (follicles/mm(3)), morphology, and health were assessed in ovarian cortex biopsies from TS patients and compared with controls. Hormone concentrations were measured in serum and follicle fluids. Immature cumulus oocyte complexes were obtained and matured in vitro. Result(s): Follicles were found in 60% of the biopsies (9 of 15) from TS ovaries. In 78% of the ovaries (7 of 9) with follicles, the follicle density was within the 95% confidence interval of the control group. There was a high rate of abnormal follicle morphology. Six follicle-specific proteins were expressed similarly in TS and control ovaries. However, apoptosis and zona pellucida protein expression were found to be abnormal in TS. Turner syndrome follicle fluid from small antral follicles had lower concentrations of estrogen and testosterone and higher concentrations of antimullerian hormone than controls. Thirty-one cumulus oocyte complexes were collected from one patient and cultured for 48 hours in vitro, resulting in five metaphase II oocytes (maturation rate 16%, degeneration rate 19%). Conclusion(s): The benefits of OTC may be limited to a highly selected group of TS mosaic patients in whom a sizeable pool of normal follicles is present at OTC. (C) 2019 by American Society for Reproductive Medicine.
Citation
Mamsen , L S , Charkiewicz , K , Anderson , R A , Telfer , E E , McLaughlin , M , Kelsey , T W , Kristensen , S G , Gook , D A , Ernst , E & Andersen , C Y 2019 , ' Characterization of follicles in girls and young women with Turner syndrome who underwent ovarian tissue cryopreservation ' , Fertility and Sterility , vol. 111 , no. 6 , pp. 1217-1225.e3 . https://doi.org/10.1016/j.fertnstert.2019.02.003
Publication
Fertility and Sterility
Status
Peer reviewed
DOI
https://doi.org/10.1016/j.fertnstert.2019.02.003
ISSN
0015-0282
Type
Journal article
Rights
Copyright © 2019 American Society for Reproductive Medicine, Published by Elsevier Inc. This work has been made available online in accordance with the publisher’s policies. This is the author created, accepted version manuscript following peer review and may differ slightly from the final published version. The final published version of this work is available at https://doi.org/10.1016/j.fertnstert.2019.02.003
Description
Funding: Novo Nordic Foundation, the International EU project ReproUnion, Sofus Carl Emil og Hustrus Fond, and the Foundation for Polish Science (FNP).
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  • University of St Andrews Research
URI
http://hdl.handle.net/10023/19703

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