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Three-dimensional bioprinting of artificial ovaries by an extrusion-based method using gelatin-methacryloyl bioink.

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单位: [1]National Clinical Research Center for Obstetrical and Gynecological Diseases,Tongji Hospital,Tongji Medical College,Huazhong University of Science and Technology,Wuhan,China [2]Key Laboratory of Cancer Invasion and Metastasis,Ministry of Education,Tongji Hospital,Tongji Medical College,Huazhong University of Science and Technology,Wuhan,China [3]Department of Obstetrics and Gynecology,Tongji Hospital,Tongji Medical College,Huazhong University of Science and Technology,Wuhan,China [4]State Key Laboratory of Materials Processing and Die & Mould Technology, School of Materials Science and Engineering, Huazhong University of Science and Technology, Wuhan, China
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关键词: 3D bioprinting artificial ovary gelatinmethacryloyl alginate

摘要:
The aim of this study was to design and fabricate a three-dimensional (3D) printed artificial ovary.We first compared the printability of gelatin-methacryloyl (GelMA), alginate and GelMA-alginate bioinks, of which GelMA was selected for further investigation. The swelling properties, degradation kinetics and shape fidelity of GelMA scaffolds were characterized by equilibrium swelling/lyophilization, collagenase processing and micro-computed tomography evaluation. Commercial ovarian tumor cell lines (COV434, KGN, ID8) and primary culture ovarian somatic cells were utilized to perform cell-laden 3D printing, and the results were evaluated by live/dead assays and TUNEL detection. Murine ovarian follicles were seeded in the ovarian scaffold and their diameters were recorded every day. Finally, in vitro maturation was performed, and the ovulated oocytes were collected and observed.Our results indicated that GelMA was suitable for 3D printing fabrication. Its scaffolds performed well in terms of hygroscopicity, degradation kinetics and shape fidelity. The viability of ovarian somatic cells was lower than that of commercial cell lines, suggesting that extrusion-based 3D culture fabrication is not suitable for primary ovarian cells. Nevertheless, the GelMA-based 3D printing system provided an appropriate microenvironment for ovarian follicles, which successfully grew and ovulated in the scaffolds. Metaphase II oocytes were also observed after in vitro maturation.The GelMA-based 3D printing culture system is a viable alternative option for follicular growth, development and transfer. Accordingly, it shows promise for clinical application in the treatment of female endocrine and reproductive conditions.

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出版当年[2021]版:
大类 | 4 区 医学
小类 | 4 区 妇产科学
最新[2025]版:
大类 | 4 区 医学
小类 | 4 区 妇产科学
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出版当年[2020]版:
Q2 OBSTETRICS & GYNECOLOGY
最新[2023]版:
Q1 OBSTETRICS & GYNECOLOGY

影响因子: 最新[2023版] 最新五年平均 出版当年[2020版] 出版当年五年平均 出版前一年[2019版] 出版后一年[2021版]

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第一作者单位: [1]National Clinical Research Center for Obstetrical and Gynecological Diseases,Tongji Hospital,Tongji Medical College,Huazhong University of Science and Technology,Wuhan,China [2]Key Laboratory of Cancer Invasion and Metastasis,Ministry of Education,Tongji Hospital,Tongji Medical College,Huazhong University of Science and Technology,Wuhan,China [3]Department of Obstetrics and Gynecology,Tongji Hospital,Tongji Medical College,Huazhong University of Science and Technology,Wuhan,China
通讯作者:
通讯机构: [1]National Clinical Research Center for Obstetrical and Gynecological Diseases,Tongji Hospital,Tongji Medical College,Huazhong University of Science and Technology,Wuhan,China [2]Key Laboratory of Cancer Invasion and Metastasis,Ministry of Education,Tongji Hospital,Tongji Medical College,Huazhong University of Science and Technology,Wuhan,China [3]Department of Obstetrics and Gynecology,Tongji Hospital,Tongji Medical College,Huazhong University of Science and Technology,Wuhan,China [*1]Department of Obstetrics and Gynecology,Tongji Hospital,Tongji Medical College,Huazhong University of Science and Technology,Wuhan,Hubei,China
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