Serum copper status of patients with colorectal cancer: A systematic review and meta-analysis

R. Squitti, A. Pal, A. Dhar, M. A. Shamim, M. Ventriglia, I. Simonelli, I. Rani, A. Sharma, Gianluca Rizzo, Vincenzo Tondolo, K. Goswami, M. Rongioletti

Risultato della ricerca: Contributo in rivistaArticolo in rivista

Abstract

Background: Colorectal cancer (CRC) is the third most commonly diagnosed cancer worldwide and a public health problem. Several clinical studies have shown that copper (Cu) is involved in carcinogenesis, possibly via cuproptosis, a new form of programmed cell death, but the conclusions from published reports are inconsistent. This study aimed at evaluating the potential of Cu dysregulation as a CRC susceptibility factor. Methods: In this systematic review and meta-analysis, we searched Cochrane Library, EBSCOhost, EMBASE, ProQuest, PubMed/MEDLINE, Scopus, and Web of Science for studies reporting serum Cu concentrations in CRC patients and controls from articles published till June 2023. The studies included reported measurements of serum/plasma/blood Cu levels. Meta-analyses were performed as well as study quality, heterogeneity, and small study effects were assessed. Based on a random effects model, summary standardized mean differences (SMDs) and the corresponding 95% confidence intervals (95% CIs) were applied to compare the levels of Cu between CRC patients and controls. Results: 26 studies with a pooled total of9628 participants and 2578 CRC cases were included. The pooled SMD was equal to 0.85 (95% CIs −0.44; 2.14) showing that the CRC patients had higher mean Cu levels than the control subjects, but the difference was not significant (p = 0.185) and the heterogeneity was very high, I2 = 97.9% (95% CIs: 97.5–98.3%; p < 0.001). Conclusion: The pooled results were inconclusive, likely due to discordant results and inaccuracy in reporting data of some studies; further research is needed to establish whether Cu dysregulation might contribute to the CRC risk and whether it might reflect different CRC grades.
Lingua originaleEnglish
pagine (da-a)-
RivistaJournal of Trace Elements in Medicine and Biology
Volume82
DOI
Stato di pubblicazionePubblicato - 2024

Keywords

  • Colorectal cancer
  • Copper
  • Serum
  • Plasma
  • Meta-analysis

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