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논문 기본 정보

자료유형
학술저널
저자정보
KHUNMANEE SUREERAT (중앙대학교) Chun So Young (BioMedical Research Institute Kyungpook National University Hospital Daegu Korea.) Ha Yun-Sok (Department of Urology Kyungpook National University Hospital Daegu Korea.Department of Urology Scho) Lee Jun Nyung (Department of Urology School of Medicine Kyungpook National University Daegu Korea.Department of Ur) Kim Bum Soo (Department of Urology Kyungpook National University Hospital Daegu Korea.Department of Urology Scho) Gao Wei-Wei (Department of Biotechnology College of Life Sciences and Biotechnology Korea University) Kim In Yong (Department of Biotechnology College of Life Sciences and Biotechnology Korea University) Han Dong Keun (CHA University) 유승권 (고려대학교) Kwon Tae Gyun (Department of Urology School of Medicine Kyungpook National University Daegu Korea.Department of Ur) Park Hansoo (Department of Integrative Engineering Chung-Ang University)
저널정보
한국조직공학과 재생의학회 조직공학과 재생의학 조직공학과 재생의학 제19권 제3호
발행연도
2022.6
수록면
643 - 658 (16page)
DOI
10.1007/s13770-022-00442-8

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Background: Immunoglobulin A (IgA) nephropathy (IgAN) is one of an important cause of progressive kidney disease and occurs when IgA settles in the kidney resulted in disrupts kidney’s ability to filter waste and excess water. Hydrogels are promising material for medical applications owing to their excellent adaptability and filling ability. Herein, we proposed a hyaluronic acid/gelatin (CHO-HA/Gel-NH2) bioactive hydrogel as a cell carrier for therapeutic kidney regeneration in IgAN. Methods: CHO-HA/Gel-NH2 hydrogel was fabricated by Schiff-base reaction without any additional crosslinking agents. The hydrogel concentrations and ratios were evaluated to enhance adequate mechanical properties and biocompatibility for further in vivo study. High serum IgA ddY mice kidneys were treated with human urine-derived renal progenitor cells encapsulated in the hydrogel to investigate the improvement of IgA nephropathy and kidney regeneration. Results: The stiffness of the hydrogel was significantly enhanced and could be modulated by altering the concentrations and ratios of hydrogel. CHO-HA/Gel-NH2 at a ratio of 3/7 provided a promising milieu for cells viability and cells proliferation. From week four onwards, there was a significant reduction in blood urea nitrogen and serum creatinine level in Cell/Gel group, as well as well-organized glomeruli and tubules. Moreover, the expression of pro-inflammatory and pro-fibrotic molecules significantly decreased in the Gel/Cell group, whereas anti-inflammatory gene expression was elevated compared to the Cell group. Conclusion: Based on in vivo studies, the renal regenerative ability of the progenitor cells could be further increased by this hydrogel system.

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