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RNA disruption indicates CHOP therapy efficacy in canine lymphoma
Amadeo M Parissenti1,2, Laura B Pritzker3, Baoqing Guo4
1Departments of Biology, Chemistry and Biochemistry, Laurentian University, 935 Ramsey Lake Rd., Sudbury, ON, P3E 2C6, Canada. aparissenti@rnadiagnostics.com.
BMC Veterinary Research
|December 18, 2019
Summary
Assessing RNA disruption during chemotherapy for canine lymphoma can predict treatment success. An increased RNA disruption index indicates longer remission, potentially improving treatment strategies for dogs with lymphoma.
Area of Science:
- Veterinary Oncology
- Molecular Diagnostics
- Cancer Research
Background:
- Canine lymphoma chemotherapy efficacy is typically assessed by lymph node size, which lacks consistent prognostic correlation.
- Recent human cancer studies show RNA disruption correlates with disease-free survival.
- This study investigated RNA disruption as a prognostic indicator in canine lymphoma patients undergoing chemotherapy.
Purpose of the Study:
- To evaluate the utility of RNA disruption assay (RDA) as a prognostic tool in canine lymphoma.
- To determine if RNA disruption measurements correlate with clinical outcomes during chemotherapy.
Main Methods:
- Fine needle aspirate samples were collected from canine lymphoma patients before and during cyclophosphamide, doxorubicin, vincristine, and prednisone (CHOP) therapy.
- RNA was isolated and analyzed using an Agilent Bioanalyzer.
- RNA disruption index (RDI) scores were calculated from electropherogram data.
Main Results:
- An elevated RNA disruption index (RDI) score was significantly linked to enhanced progression-free survival.
- This suggests RNA integrity can serve as a predictive biomarker for treatment response.
Conclusions:
- Measuring RNA disruption mid-chemotherapy offers a potential method to predict early relapse in canine lymphoma.
- This could enable earlier adjustments to treatment regimens, improving outcomes for veterinary patients.
