Abstract: The present invention provides nucleotide and amino acid sequences that identify and encode a novel purinergic PU2 receptor (PNR) expressed in human placenta. The present invention also provides for antisense molecules to the nucleotide sequences which encode PNR, expression vectors for the production of purified PNR, antibodies capable of binding specifically to PNR, hybridization probes or oligonucleotides for the detection of PNR-encoding nucleotide sequences, genetically engineered host cells for the expression of PNR, and diagnostic tests based on PNR-encoding nucleic acid molecules or antibodies produced against the polypeptide PNR.

Abstract: The present invention provides a human glutathione s-transferase (HGST) and polynucleotides which identify and encode HGST. The invention also provides genetically engineered expression vectors and host cells comprising the nucleic acid sequences encoding HGST and a method for producing HGST. The invention also provides for agonists, antibodies, or antagonists specifically binding HGST, and their use, in the prevention and treatment of cancer and other diseases associated with the expression of HGST. Additionally, the invention provides for the use of antisense molecules to polynucleotides encoding HGST for the treatment of cancer and other diseases associated with the expression of HGST. The invention also provides diagnostic assays which utilize the polynucleotide, or fragments or the complement thereof, and antibodies specifically binding HGST.