Abstract
Chick embryos are a significant historical research model in basic and applied sciences. The embryonated eggs have been used for virus inoculation in order to vaccine production for nearly a century. Recently, avian eggs and cell lines derived from embryonated eggs have found wide application in biotechnology. This review will discuss about the unique characteristics of avian eggs in terms of safety, large scale and economical production of recombinant proteins. This system also provides the human-like glycosylation on target proteins and therefore can be considered as a suitable host for biomanufacturing of humanized monoclonal antibodies and therapeutic proteins. Avian derived cell lines are an alternative for rapid vaccine manufacturing during a pandemic. Based on the latest knowledge in cell and animal transgenesis, the currently available germ cell-mediated gene transfer system provides a more efficient strategy in gene targeting and creation of transgenic birds that lead to advancements in industrial, biotechnology, and biological research applications. This review covers the recent development of avian fertilized eggs and related cell lines in a variety of human biopharmaceuticals and viral vaccine manufacturing.
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