This prospective study was planned to determine the intercourse between translationally controlled tumor protein (TCTP)/histamine releasing factor (HRF)/histamine pathway and angiogenesis in chronic lymphocytic leukemia (CLL). A total of 153 CLL patients were included. Serum histamine levels were higher in CLL patients. A positive correlation was found between microvessel density (MVD)-mast cell (MC) count; MVD-TCTP/HRF and MC count-TCTP/HRF. Microvessel density, MC and ZAP 70 were significantly higher in TCTP/HRF-positive group. Time to first treatment was shorter in patients with increased MVD and TCTP/HRF. Further data is essential to ascertain the role of TCTP/HRF pathway in tumor angiogenesis and CLL prognosis.
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