Relationship Between Serum Copper, Zinc Level and Tumour Aggressiveness in Invasive Cervical Cancer

Abstract

<i>Background: </i>Cervical cancer, a leading cause of cancer-related morbidity and mortality, exhibits considerable variability in aggressiveness. The role of trace elements such as copper and zinc in influencing tumor behavior and progression has garnered attention. This study investigates the relationship between serum copper and zinc levels and tumor aggressiveness in invasive cervical cancer.<i> Methods:</i> A cross-sectional comparative study was conducted among 150 women with invasive cervical cancer attending the outpatient department and Colposcopy Clinic of the Department of Gynecological Oncology, BSMMU, Dhaka, from April 2022 to March 2023. Participants were divided into two groups based on tumor aggressiveness: Group 1 (less aggressive) and Group 2 (more aggressive), with 75 women in each group. Serum copper and zinc levels were measured and analyzed for differences between groups. <i>Result:</i> Serum copper levels were significantly higher in Group 2 (152.31 ± 41.81 µg/dL) compared to Group 1 (139.31 ± 25.52 µg/dL) with a p-value of 0.023. Conversely, serum zinc levels were significantly lower in Group 2 (55.24 ± 28.13 µg/dL) compared to Group 1 (66.29 ± 31.58 µg/dL) with a p-value of 0.025. The copper/zinc ratio was significantly higher in Group 2 (2.76 ± 1.20) compared to Group 1 (2.10 ± 1.00) with a p-value of <0.001. <i>Conclusion:</i> Elevated serum copper levels and copper/zinc ratio, along with decreased zinc levels, are associated with more aggressive cervical cancer. These findings suggest that trace element imbalances may serve as biomarkers for assessing tumor aggressiveness and could inform future therapeutic strategies.