Article (Scientific journals)
In vitro/in vivo degradation analysis of trastuzumab by combining specific capture on HER2 mimotope peptide modified material and LC-QTOF-MS.
Lu, Li; Liu, Xiao; Zuo, Chengyi et al.
2022In Analytica Chimica Acta, 1225, p. 340199
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Keywords :
Affinity enrichment; Breast cancer patient serum; Degradation study; LC-QTOF-MS; Therapeutic monoclonal antibody; Antibodies, Monoclonal; Peptides; Trastuzumab; Chromatography, Liquid/methods; Humans; Tandem Mass Spectrometry/methods; Breast Cancer; Cancer patients; In-vitro; In-vivo; LC-Q-ToF MS; Therapeutic monoclonal antibodies; Chromatography, Liquid; Tandem Mass Spectrometry; Analytical Chemistry; Environmental Chemistry; Biochemistry; Spectroscopy
Abstract :
[en] Degradation analysis of therapeutic mAb is of high interest for critical quality attributes assessment and biotransformation studies. However, some obstacles, including low in vivo concentrations of mAb and complex biological matrices containing IgGs, could seriously interfere with mAb bioanalysis. In this study, a bioanalytical platform was developed for studying in vitro/in vivo modifications of trastuzumab, in which specific capture on mimotope peptide modified material was combined with trypsin digestion and LC-QTOF-MS analysis. It is worth noting that this material exhibits high specificity, suitable dynamic binding capacity, very little non-specific protein adsorption, and thus provides good enrichment and quantification performances for trastuzumab from patient serums. In particular, this bioanalytical platform was successfully applied to the dynamic monitoring of modifications of trastuzumab, such as deamidation, isomerization, oxidation and cyclization. Except for the faster deamidation of LC-Asn-30 and HC-Asn-387/392/393 under serum incubation, similar degradation trends for other sites were observed in phosphate buffer and spiked serum. Differences of peptide modification degrees of trastuzumab in patient serums were also observed. The novel platform exhibited superior specificity than Protein A/G/L based analytical methods, lower cost and higher stability than antigen or anti-idiotypic antibody based analytical methods, ensuring the evaluation of modification sites.
Disciplines :
Pharmacy, pharmacology & toxicology
Author, co-author :
Lu, Li;  Institute of Pharmaceutical Analysis, College of Pharmacy, Jinan University, Guangzhou, 510632, China, Laboratory for the Analysis of Medicines (LAM), Department of Pharmacy, CIRM, University of Liege, Avenue Hippocrate 15, B36 Tour 4 +3, 4000, Liège, Belgium
Liu, Xiao;  Institute of Pharmaceutical Analysis, College of Pharmacy, Jinan University, Guangzhou, 510632, China
Zuo, Chengyi;  Institute of Pharmaceutical Analysis, College of Pharmacy, Jinan University, Guangzhou, 510632, China
Zhou, Jingwei;  Institute of Pharmaceutical Analysis, College of Pharmacy, Jinan University, Guangzhou, 510632, China
Zhu, Chendi;  Institute of Pharmaceutical Analysis, College of Pharmacy, Jinan University, Guangzhou, 510632, China
Zhang, Zhang;  Department of Pharmacy and Guangdong Province Key Laboratory of Pharmacodynamic Constituents of Traditional Chinese Medicine & New Drug Research, Jinan University, Guangzhou, 510632, China
Fillet, Marianne  ;  Université de Liège - ULiège > Département de pharmacie > Analyse des médicaments
Crommen, Jacques ;  Université de Liège - ULiège > Département de pharmacie
Jiang, Zhengjin;  Institute of Pharmaceutical Analysis, College of Pharmacy, Jinan University, Guangzhou, 510632, China, Department of Pharmacy and Guangdong Province Key Laboratory of Pharmacodynamic Constituents of Traditional Chinese Medicine & New Drug Research, Jinan University, Guangzhou, 510632, China. Electronic address: jzjjackson@hotmail.com
Wang, Qiqin;  Institute of Pharmaceutical Analysis, College of Pharmacy, Jinan University, Guangzhou, 510632, China, Department of Pharmacy and Guangdong Province Key Laboratory of Pharmacodynamic Constituents of Traditional Chinese Medicine & New Drug Research, Jinan University, Guangzhou, 510632, China. Electronic address: qiqinxtu@163.com
Language :
English
Title :
In vitro/in vivo degradation analysis of trastuzumab by combining specific capture on HER2 mimotope peptide modified material and LC-QTOF-MS.
Publication date :
08 September 2022
Journal title :
Analytica Chimica Acta
ISSN :
0003-2670
eISSN :
1873-4324
Publisher :
Elsevier B.V., Netherlands
Volume :
1225
Pages :
340199
Peer reviewed :
Peer Reviewed verified by ORBi
Name of the research project :
Guangzhou Science and Technology Program key projects
Funders :
NSCF - National Natural Science Foundation of China
Funding text :
This work was supported by the National Natural Science Foundation of China (Grant: 82173773 , 82073806 ), the Natural Science Foundation of Guangdong Province, China (Grant: 2021A0505030039 , 2022A1515011576 ), and Science and Technology Program of Guangzhou, China (Grant: 202102020729 ).
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