Journal
VETERINARY JOURNAL
Volume 198, Issue 1, Pages 271-274Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.tvjl.2013.05.035
Keywords
Gastrointestinal stromal tumour; c-kit exon 11; Deletion mutation; Imatinib; Dog
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Funding
- Ministry of Education, Culture, Sports, Science and Technology of Japan (MEXT) [24380173]
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A 10-year-old female Miniature Dachshund with a non-resectable gastrointestinal stromal tumour was treated with imatinib. The neoplastic cells had a deletion mutation (c.1667_1672del) within exon 11 of the c-kit gene, which resulted in deletion of three amino acids and insertion of one amino acid (p.Trp556_Val558delinsPhe) in the juxtamembrane domain of KIT. Following treatment with imatinib, the dog achieved partial remission on Day 21 with a continuous decrease in tumour size until Day 67 of treatment. Although no additional decrease in size was observed after Day 67 of treatment, the tumour remained stable in size as of Day 140 of treatment. The c-kit mutation found in the tumour cells appears to be a mutation driving oncogenesis, as evidenced by the partial remission elicited by imatinib in this dog. (C) 2013 Elsevier Ltd. All rights reserved.
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