Quantification of lipoprotein lipase in mouse plasma with a sandwich enzyme-linked immunosorbent assay
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Quantification of lipoprotein lipase in mouse plasma with a sandwich enzyme-linked immunosorbent assay. / Kimura, Takao; Miyashita, Kazuya; Fukamachi, Isamu; Fukamachi, Kumiko; Ogura, Kazumi; Yokoyama, Erina; Tsunekawa, Katsuhiko; Nagasawa, Takumi; Ploug, Michael; Yang, Ye; Song, Wenxin; Young, Stephen G.; Beigneux, Anne P.; Nakajima, Katsuyuki; Murakami, Masami.
In: Journal of Lipid Research, Vol. 65, No. 4, 100532, 2024.Research output: Contribution to journal › Journal article › Research › peer-review
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TY - JOUR
T1 - Quantification of lipoprotein lipase in mouse plasma with a sandwich enzyme-linked immunosorbent assay
AU - Kimura, Takao
AU - Miyashita, Kazuya
AU - Fukamachi, Isamu
AU - Fukamachi, Kumiko
AU - Ogura, Kazumi
AU - Yokoyama, Erina
AU - Tsunekawa, Katsuhiko
AU - Nagasawa, Takumi
AU - Ploug, Michael
AU - Yang, Ye
AU - Song, Wenxin
AU - Young, Stephen G.
AU - Beigneux, Anne P.
AU - Nakajima, Katsuyuki
AU - Murakami, Masami
N1 - Publisher Copyright: © 2024 American Society for Biochemistry and Molecular Biology Inc.. All rights reserved.
PY - 2024
Y1 - 2024
N2 - To support in vivo and in vitro studies of intravascular triglyceride metabolism in mice, we created rat monoclonal antibodies (mAbs) against mouse LPL. Two mAbs, mAbs 23A1 and 31A5, were used to develop a sandwich ELISA for mouse LPL. The detection of mouse LPL by the ELISA was linear in concentrations ranging from 0.31 ng/ml to 20 ng/ ml. The sensitivity of the ELISA made it possible to quantify LPL in serum and in both pre-heparin and post-heparin plasma samples (including in grossly lipemic samples). LPL mass and activity levels in the post-heparin plasma were lower in Gpihbp1¡/¡ mice than in wild-type mice. In both groups of mice, LPL mass and activity levels were positively correlated. Our mAb-based sandwich ELISA for mouse LPL will be useful for any investigator who uses mouse models to study LPL-mediated intravascular lipolysis.
AB - To support in vivo and in vitro studies of intravascular triglyceride metabolism in mice, we created rat monoclonal antibodies (mAbs) against mouse LPL. Two mAbs, mAbs 23A1 and 31A5, were used to develop a sandwich ELISA for mouse LPL. The detection of mouse LPL by the ELISA was linear in concentrations ranging from 0.31 ng/ml to 20 ng/ ml. The sensitivity of the ELISA made it possible to quantify LPL in serum and in both pre-heparin and post-heparin plasma samples (including in grossly lipemic samples). LPL mass and activity levels in the post-heparin plasma were lower in Gpihbp1¡/¡ mice than in wild-type mice. In both groups of mice, LPL mass and activity levels were positively correlated. Our mAb-based sandwich ELISA for mouse LPL will be useful for any investigator who uses mouse models to study LPL-mediated intravascular lipolysis.
KW - GPIHBP1
KW - HTGL
KW - lipids
KW - LPL
KW - transport
KW - triglycerides
KW - vascular biology
U2 - 10.1016/j.jlr.2024.100532
DO - 10.1016/j.jlr.2024.100532
M3 - Journal article
C2 - 38608546
AN - SCOPUS:85190612892
VL - 65
JO - Journal of Lipid Research
JF - Journal of Lipid Research
SN - 0022-2275
IS - 4
M1 - 100532
ER -
ID: 389550130