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Background <p>The impact of heat shock proteins (HSPs) expression levels on the prognosis of patients with colorectal cancer (CRC) remains controversial. Therefore, we conducted a meta-analysis to evaluate the prognostic significance of HSPs expression in CRC patients and its relationship with clinical pathological features.</p> Methods <p>We searched for eligible studies from PubMed, Embase, Cochrane, and Web of Science databases, and extracted the hazard ratios (HRs) and 95% confidence intervals (CIs) for overall survival (OS), disease-free survival (DFS), progression-free survival (PFS), relapse-free survival (RFS), or cancer-specific survival (CSS), along with their clinical pathological characteristics. Meta-analysis was performed using either a fixed-effects model or a random-effects model, depending on the heterogeneity between studies.</p> Results <p>A total of 20 studies, including 3919 CRC patients, were included in this meta-analysis. The results showed that high expression of HSPs can predict poor OS in CRC patients (HR = 1.79, 95% CI: 1.39–2.30, <i>P</i> &lt; 0.00001). Subgroup analyses revealed that high expression of HSP70 (HR = 1.75, 95% CI: 1.10–2.78, <i>P</i> = 0.02), HSP27 (HR = 1.73, 95% CI: 1.34–2.25, <i>P</i> &lt; 0.0001), and HSP47 (HR = 2.91, 95% CI: 1.39–6.08, <i>P</i> = 0.005) were associated with increased risk for poorer OS, but the expression of HSP90 (HR = 1.28, 95% CI: 0.60–2.72, <i>P</i> = 0.52) was not significantly correlated with OS in CRC patients. Moreover, high expression of HSPs may predict poor DFS (HR = 1.56, 95% CI: 1.18–2.06, <i>P</i> = 0.002), RFS (HR = 2.15, 95% CI: 1.37–3.38, <i>P</i> = 0.0008), and CSS (HR = 1.65, 95% CI: 1.07–2.42, <i>P</i> = 0.0003) in CRC patients. In addition, high expression of HSPs was significantly correlated with high TNM stage (OR = 1.29, 95% CI: 1.01–1.65, <i>P</i> = 0.04).</p> Conclusion <p>These findings indicate that high expression of HSP70, HSP27, and HSP47 may have a significant adverse effect on the prognosis of CRC patients, and contribute to the prognosis evaluation of these patients and potentially guide the development of targeted therapeutic strategies.</p>

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Prognostic and clinicopathological significance of heat shock proteins in colorectal cancer patients: a meta-analysis

  • 期刊论文

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  • 发表日期：

    2026年3月6日

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  • Ziqing Wang,
  • Jixuan Zou,
  • Yangfan Li,
  • Zhenmin Zhang

摘要

Background

The impact of heat shock proteins (HSPs) expression levels on the prognosis of patients with colorectal cancer (CRC) remains controversial. Therefore, we conducted a meta-analysis to evaluate the prognostic significance of HSPs expression in CRC patients and its relationship with clinical pathological features.

Methods

We searched for eligible studies from PubMed, Embase, Cochrane, and Web of Science databases, and extracted the hazard ratios (HRs) and 95% confidence intervals (CIs) for overall survival (OS), disease-free survival (DFS), progression-free survival (PFS), relapse-free survival (RFS), or cancer-specific survival (CSS), along with their clinical pathological characteristics. Meta-analysis was performed using either a fixed-effects model or a random-effects model, depending on the heterogeneity between studies.

Results

A total of 20 studies, including 3919 CRC patients, were included in this meta-analysis. The results showed that high expression of HSPs can predict poor OS in CRC patients (HR = 1.79, 95% CI: 1.39–2.30, P < 0.00001). Subgroup analyses revealed that high expression of HSP70 (HR = 1.75, 95% CI: 1.10–2.78, P = 0.02), HSP27 (HR = 1.73, 95% CI: 1.34–2.25, P < 0.0001), and HSP47 (HR = 2.91, 95% CI: 1.39–6.08, P = 0.005) were associated with increased risk for poorer OS, but the expression of HSP90 (HR = 1.28, 95% CI: 0.60–2.72, P = 0.52) was not significantly correlated with OS in CRC patients. Moreover, high expression of HSPs may predict poor DFS (HR = 1.56, 95% CI: 1.18–2.06, P = 0.002), RFS (HR = 2.15, 95% CI: 1.37–3.38, P = 0.0008), and CSS (HR = 1.65, 95% CI: 1.07–2.42, P = 0.0003) in CRC patients. In addition, high expression of HSPs was significantly correlated with high TNM stage (OR = 1.29, 95% CI: 1.01–1.65, P = 0.04).

Conclusion

These findings indicate that high expression of HSP70, HSP27, and HSP47 may have a significant adverse effect on the prognosis of CRC patients, and contribute to the prognosis evaluation of these patients and potentially guide the development of targeted therapeutic strategies.