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Comparison between NOD/SCID mice and BALB/c mice for patient-derived tumor xenografts model of non-small-cell lung cancer

Authors Wu J, Zhang J, Jiang M, Zhang T, Wang Y, Wang Z, Miao Y, Wang Z, Li W

Received 24 July 2018

Accepted for publication 29 October 2018

Published 6 December 2018 Volume 2018:10 Pages 6695—6703


Checked for plagiarism Yes

Review by Single anonymous peer review

Peer reviewer comments 2

Editor who approved publication: Dr Antonella D'Anneo

Jianbin Wu,1,* Juntao Zhang,1,* Mei Jiang,1 Tianhui Zhang,2 Yue Wang,1 Ziyu Wang,1 Yaodong Miao,1 Zitong Wang,2 Weiying Li1

1Department of Cellular and Molecular Biology, Beijing Tuberculosis and Thoracic Tumor Research Institute, Beijing Chest Hospital, Capital Medical University, Beijing, People’s Republic of China; 2Tumor Surgery, Beijing Chest Hospital, Capital Medical University, Beijing, People’s Republic of China

*These authors contributed equally to this work

Background: Patient-derived tumor xenografts (PDX) are considered as a more reliable experiment model for screening chemotherapeutic drugs. However, the tumorigenic rate differs depending on mouse strains, which generates the experimental variability.
Materials and methods: In this study, we built PDX models of human non-small-cell lung cancer (NSCLC) in NOD/SCID mice in comparison with BALB/c mice.
Results: The result showed that the tumorigenesis rate of NOD/SCID mice (46.2%, 18/39) was higher than that of BALB/c mice (17.39%, 4/23). Latent times of tumorigenesis of NOD/SCID mice (41±18 days) were shorter than these of BALB/c mice (53±17 days). Times of tumorigenesis of NOD/SCID mice (85±25 days) were shorter than that of BALB/c mice (104±14 days). In addition, squamous carcinoma tissues were more likely to form tumors than adenocarcinoma tissues in NOD/SCID mice (P=0.008) and BALB/c mice (P=0.09). Also tumors could retain patients’ tumor characteristics in NOD/SCID mice and BALB/c mice xenograft models.
Conclusion: It is worth mentioning that the result of the drug experiment in the PDX models was consistent with the effect of clinical chemotherapy. As a result, NOD/SCID mice have advantages in a higher rate of tumorigenesis, shorter latent times of tumorigenesis and times of tumorigenesis over BALB/c mice in PDX models. It can provide a more reliable model of drug screening.

Keywords: NOD/SCID mice, BALB/c mice, PDX models, chemotherapeutic drugs, NSCLC

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