Optimal delipidation solvent to secure extracellular matrix from human perirenal adipose tissue

被引：2
|
作者：
Chun, So Young [1 ]
Ha, Yun-Sok [2 ]
Yoon, Bo Hyun [3 ]
Lee, Eun Hye [3 ]
Kim, Bo Mi [1 ]
Gil, Haejung [1 ]
Han, Man-Hoon [3 ]
Kwon, Tae Gyun [2 ]
Kim, Bum Soo [4 ]
Lee, Jun Nyung [2 ]
机构：
[1] Kyungpook Natl Univ Hosp, BioMed Res Inst, Daegu, South Korea
[2] Kyungpook Natl Univ, Chilgok Hosp, Sch Med, Dept Urol, Daegu, South Korea
[3] Kyungpook Natl Univ, Joint Inst Regenerat Med, Daegu, South Korea
[4] Kyungpook Natl Univ, Kyungpook Natl Univ Hosp, Sch Med, Dept Pathol, 130 Dongdeok Ro, Daegu 41944, South Korea
来源：
JOURNAL OF BIOMEDICAL MATERIALS RESEARCH PART A | 2022年 / 110卷 / 04期
关键词：
adipose tissue; delipidation; extracellular matrix; perirenal; solvent; DENATURED COLLAGEN; FAT; DECELLULARIZATION; PURIFICATION; EXTRACTION; GRAFTS; VALVES;
D O I：
10.1002/jbm.a.37341
中图分类号：
R318 [生物医学工程];
学科分类号：
0831 ;
摘要：
The objective of this study was to select the optimal delipidation solvent for preparation of human perirenal adipose tissue-derived extracellular matrix (ECM). Human perirenal adipose tissue can be obtained in large amounts during surgery, and it can be an alternative source of human ECM. Delipidation is an essential procedure for the ECM preparation, because lipid strongly inhibits regeneration of target tissue. Isopropanol has been widely used as a delipidation solvent for adipose tissue. However, because adipose tissue is mostly composed of nonpolar lipid, a nonpolar solvent might be more effective for delipidation. We evaluated the delipidation efficiency of acetone, chloroform, methanol, ether, ethanol, isopropanol, water, chloroform/methanol, ethanol/heptane, ether/methanol, hexane/ethanol, and butanol/methanol solvents for ECM extraction from human perirenal adipose tissue. Among them, acetone-treated adipose tissue showed the greatest delipidation efficiency (93.05%), significantly lower residual DNA content, and the greatest residual collagen concentration (42.49 +/- 0.05 mu g/g). In addition, acetone-treated tissue also had well-preserved ultrastructure with high porosity and significantly low in vitro cytotoxicity. These results suggested that acetone may be an optimal delipidation solvent for extraction of ECM from human perirenal adipose tissue.
引用
收藏
页码：928 / 942
页数：15
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