Whole-cell biopanning with a synthetic phage display library of nanobodies enabled the recovery of follicle-stimulating hormone receptor inhibitors
Abstract
Antibodies are essential reagents that are increasingly used in diagnostics and therapy. Their specificity
and capacity to recognize their native antigen are critical characteristics for their in vivo application.
Follicle-stimulating hormone receptor is a GPCR protein regulating ovarian follicular maturation and
spermatogenesis. Recently, its potentiality as a cancer biomarker has been demonstrated but no antibody
suitable for in vivo tumor targeting and treatment has been characterized so far. In this paper we describe
the first successful attempt to recover recombinant antibodies against the FSHR and that: i) are directly
panned from a pre-immune library using whole cells expressing the target receptor at their surface; ii)
show inhibitory activity towards the FSH-induced cAMP accumulation; iii) do not share the same epitope
with the natural binder FSH; iv) can be produced inexpensively as mono- or bivalent functional molecules
in the bacterial cytoplasm. We expect that the proposed biopanning strategy will be profitable to
identify useful functional antibodies for further members of the GPCR class.
Keywords
nanobodies;GPCR proteins;FSHR;panning;pre-immune antibody library;
Data
| Language: | English |
|---|---|
| Year of publishing: | 2017 |
| Typology: | 1.01 - Original Scientific Article |
| Organization: | UNG - University of Nova Gorica |
| UDC: | 577 |
| COBISS: |
4933627
|
| ISSN: | 0006-291X |
| Views: | 3319 |
| Downloads: | 0 |
| Average score: | 0 (0 votes) |
| Metadata: |
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Other data
| URN: | URN:SI:UNG |
|---|---|
| Type (COBISS): | Not categorized |
| Pages: | str. 1567-1572 |
| Volume: | ǂVol. ǂ493 |
| Issue: | ǂiss. ǂ4 |
| Chronology: | 2017 |
| DOI: | 10.1016/j.bbrc.2017.10.036 |
| ID: | 10871790 |
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