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Article Open Access

Highly sensitive detection of CTLA‑4‑positive T‑cell subgroups based on nanobody and fluorescent carbon quantum dots

  • Authors:
    • Wu Wang
    • Xiaoqiong Hou
    • Xiaomei Yang
    • Aiqun Liu
    • Zhuoran Tang
    • Fengzhen Mo
    • Shihua Yin
    • Xiaoling Lu
  • View Affiliations / Copyright

    Affiliations: School of Basic Medicine/International Nanobody Research Center of Guangxi, Guangxi Medical University, Nanning, Guangxi 530021, P.R. China
    Copyright: © Wang et al. This is an open access article distributed under the terms of Creative Commons Attribution License.
  • Pages: 109-116
    |
    Published online on: May 6, 2019
       https://doi.org/10.3892/ol.2019.10320
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Abstract

The detection of cytotoxic T‑lymphocyte antigen‑4‑positive (CTLA‑4+) T‑cell subgroups in peripheral blood samples and tumor tissues is of great significance. In the present study, a rapid, succinct and efficient method was designed for the detection of CTLA‑4+ human T cells using a CTLA‑4‑specific nanobody‑fluorescent carbon quantum dots complex (QDs‑Nb36). QDs‑Nb36 was used for high sensitivity detection of CTLA‑4+ T cells by flow cytometry or immumofluorescent staining. The present study demonstrated that the novel technique was more specific and effective in the detection of CTLA‑4+ T‑cell ratio in the peripheral blood and tumor tissues compared with a traditional monoclonal antibody approach. Furthermore, no significant toxicity was identified in vitro and in vivo, thus suggesting that the method may have broad applications for the detection of certain lowly expressed targets.
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Copy and paste a formatted citation
Spandidos Publications style
Wang W, Hou X, Yang X, Liu A, Tang Z, Mo F, Yin S and Lu X: Highly sensitive detection of CTLA‑4‑positive T‑cell subgroups based on nanobody and fluorescent carbon quantum dots. Oncol Lett 18: 109-116, 2019.
APA
Wang, W., Hou, X., Yang, X., Liu, A., Tang, Z., Mo, F. ... Lu, X. (2019). Highly sensitive detection of CTLA‑4‑positive T‑cell subgroups based on nanobody and fluorescent carbon quantum dots. Oncology Letters, 18, 109-116. https://doi.org/10.3892/ol.2019.10320
MLA
Wang, W., Hou, X., Yang, X., Liu, A., Tang, Z., Mo, F., Yin, S., Lu, X."Highly sensitive detection of CTLA‑4‑positive T‑cell subgroups based on nanobody and fluorescent carbon quantum dots". Oncology Letters 18.1 (2019): 109-116.
Chicago
Wang, W., Hou, X., Yang, X., Liu, A., Tang, Z., Mo, F., Yin, S., Lu, X."Highly sensitive detection of CTLA‑4‑positive T‑cell subgroups based on nanobody and fluorescent carbon quantum dots". Oncology Letters 18, no. 1 (2019): 109-116. https://doi.org/10.3892/ol.2019.10320
Copy and paste a formatted citation
x
Spandidos Publications style
Wang W, Hou X, Yang X, Liu A, Tang Z, Mo F, Yin S and Lu X: Highly sensitive detection of CTLA‑4‑positive T‑cell subgroups based on nanobody and fluorescent carbon quantum dots. Oncol Lett 18: 109-116, 2019.
APA
Wang, W., Hou, X., Yang, X., Liu, A., Tang, Z., Mo, F. ... Lu, X. (2019). Highly sensitive detection of CTLA‑4‑positive T‑cell subgroups based on nanobody and fluorescent carbon quantum dots. Oncology Letters, 18, 109-116. https://doi.org/10.3892/ol.2019.10320
MLA
Wang, W., Hou, X., Yang, X., Liu, A., Tang, Z., Mo, F., Yin, S., Lu, X."Highly sensitive detection of CTLA‑4‑positive T‑cell subgroups based on nanobody and fluorescent carbon quantum dots". Oncology Letters 18.1 (2019): 109-116.
Chicago
Wang, W., Hou, X., Yang, X., Liu, A., Tang, Z., Mo, F., Yin, S., Lu, X."Highly sensitive detection of CTLA‑4‑positive T‑cell subgroups based on nanobody and fluorescent carbon quantum dots". Oncology Letters 18, no. 1 (2019): 109-116. https://doi.org/10.3892/ol.2019.10320
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