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Updated: Sep 26, 2025
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Published on: May 3, 2021
Development of camelid monoclonal nanobody against SLC39A6 zinc transporter protein
Hajarossadat Ghaderi1, Zahra Noormohammadi1, Mahdi Habibi-Anbouhi2
1Department of Biology, Science and Research Branch, Islamic Azad University, Tehran, Iran.
Objectives:
SLC39A6 (solute carrier family 39) or LIV-1, is a zinc-transporter protein associated with estrogen-positive breast cancer and its metastatic spread. Significantly there is a direct relation between high zinc intake and unregulated cell proliferation and cancers. Blocking SLC39A6 protein may result in reduced metastasis and proliferation in many malignant tumors. This study aimed to develop an anti-SLC39A6 nanobody that is able to detect and block the SLC39A6 protein on the surface of cancerous cells.
Materials And Methods:
The recombinant SLC39A6 was expressed and used for camel immunization. The VHH library was constructed and screened for SLC39A6-specific nanobody. Then, the strength of nanobody in SLC39A6 detection was evaluated by Western blotting and flow cytometry.
Results:
We showed the ability of SLC39A6 specific Nanobody (C3) to detect SLC39A6 by Western blotting and flow cytometry. Furthermore, the C3 nanobody potently inhibits cell proliferation in MTT assay.
Conclusion:
These data show the potential of SLC39A6-specific nanobody for the blockade of zinc transporter protein and provide a basis for the development of novel cancer therapeutics.
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