Generation of a single-chain variable fragment phage display antibody library from naïve mice panned against Fasciola hepatica antigens.

Abstract:

:Monoclonal antibodies have a wide range of applications in basic and applied research as well as in the medical and pharmaceutical industries. Phage display antibody libraries offer an alternative to hybridoma technology for the generation of monoclonal antibodies and can be applied to high-throughput screening and facilitate the generation of novel antibodies. Despite their utility in several fields of research there has been limited application of antibody libraries in the study of trematode parasites. Fasciola hepatica causes considerable loss to the agriculture sector and is also a human pathogen. The parasite's excretory/secretory material contains numerous molecules that facilitate its invasion and survival within the mammalian host, including cathepsin B and L proteases. F. hepatica cathepsin B2 is expressed during the initial weeks of infection and has suspected roles in immune evasion and as a digestive enzyme in the parasite's gut; it is considered a good target for vaccination or therapeutic inhibitors. In this study, we produced a single-chain variable fragment (scFv) phage display library from naïve mice. The library was used to identify several scFv that can bind to antigens from adult F. hepatica homogenate, and a scFv that can bind to F. hepatica cathepsin B2. The results highlight the potential applicability of such a library to facilitate the study of F. hepatica and other parasites. This is the first report of the application of a naïve phage display antibody library to the study of F. hepatica.

journal_name

Exp Parasitol

authors

Norbury LJ,Basałaj K,Bąska P,Zawistowska-Deniziak A,Kalinowska A,Wilkowski P,Wesołowska A,Wędrychowicz H

doi

10.1016/j.exppara.2019.107737

subject

Has Abstract

pub_date

2019-10-01 00:00:00

pages

107737

eissn

0014-4894

issn

1090-2449

pii

S0014-4894(19)30090-6

journal_volume

205

pub_type

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