Filariid anti-P22U antibodies

Drug – bio-affecting and body treating compositions – Immunoglobulin – antiserum – antibody – or antibody fragment,... – Binds antigen or epitope whose amino acid sequence is...

Reexamination Certificate

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C424S151100, C424S163100, C424S164100, C424S184100, C424S185100, C530S300000, C530S350000, C530S387100, C530S387900, C536S023100, C536S023700

Reexamination Certificate

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06936247

ABSTRACT:
The present invention relates to isolated parasitic helminth nucleic acid sequences capable of hybridizing, under stringent conditions, to at least a portion ofD. immitisnucleic acid sequence p4 and/or to at least a portion ofD. immitisnucleic acid sequence p22U; to isolated parasitic helminth proteins that are encoded by such parasitic helminth nucleic acid sequences and that are capable of selectively binding to at least one component of immune serum capable of inhibiting helminth development; and to antibodies raised against such isolated parasitic helminth proteins. The present invention also relates to therapeutic compositions comprising such isolated nucleic acid sequences, proteins and/or antibodies. The present invention also includes methods to produce and use such nucleic acids, proteins, antibodies and therapeutic compositions capable of protecting animals from parasitic helminth infection and, particularly, from heartworm, infection.

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