Patent 7176300 was granted and assigned to AviGenics Inc. on February, 2007 by the United States Patent and Trademark Office.
The invention provides for lysozyme gene expression control regions which may include a 5′ matrix attachment region; an intrinsically curved region of DNA; a transcription enhancer; a negative regulatory element; at least one hormone responsive element; an avian CRI repeat element; a proximal lysozyme promoter, and can be linked to a nucleotide sequence encoding a heterologous polypeptide.