Journal
ANNALS OF NEUROLOGY
Volume 52, Issue 5, Pages 662-665Publisher
WILEY-BLACKWELL
DOI: 10.1002/ana.10343
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We examined whether a herpes simplex virus vector that expresses human proenkephalin could be used to attenuate nociception in a model of bone cancer pain in mice. Osteolytic sarcoma cells were implanted into the medullary space of the right femur, followed by a subcutaneous inoculation of a replication-defective herpes simplex virus vector expressing human proenkephalin (Vector SHPE) or a lacZ-expressing control vector (vector SHZ). SHPE-inoculated mice demonstrated a significant, naltrexone-reversible decrease in pain-related behavior assessed during open-field motor activity. These results suggest that gene transfer with an enkephalin-expressing vector may be used to treat pain resulting from cancer in bone.
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