Mechanism of LDH and IL-8 Involved in Pancreatic Cancer Pain and the Correlation of Pain Degree

Overview

Journal J Med Biochem

Specialty Biochemistry

Date 2024 Dec 23

PMID 39712504

Authors

Zhiming Zhou

Zongfeng Guo

Xiaomin Lu

Xiaoqing Xu

Affiliations

Soon will be listed here.

Abstract

Background: This research aimed to observe the mechanism of lactate dehydrogenase (LDH) and interleukin 8 (IL8) in pancreatic cancer pain and their correlation with pain degree.

Methods: 126 patients with pancreatic cancer who visited our hospital from January 2021 to February 2023 were selected. The patients were divided into groups of 58 patients with low pain (1~3 points) and 68 patients with high pain (4~10 points) by visual analog scale (VAS). And 50 health examinees in the same period were selected as the healthy control group. The serum LDH and IL-8 concentrations are analyzed by enzyme-linked immunosorbent assay, and the subjective pain grading method score is analyzed. The differences in LDH and IL-8 concentrations among the three groups of patients were compared. Pearson correlation analysis was used to investigate the correlation between LDH, IL-8 concentrations, and patient pain. Binary logistic regression was used to determine independent risk factors for high pain, and ROC curves were used to analyze the diagnostic efficacy of each indicator.

Results: The serum LDH and IL-8 concentrations in the high-pain group were exceed the low-pain group's (P<0.05). The serum LDH and IL-8 concentrations in the low-pain group exceeded the healthy control group's (P<0.05). Pearson correlation analysis revealed a positive correlation between serum LDH concentration and pain grading (r=0.736, P=0.000). The serum IL-8 positively correlates with pain grading (r=0.680, P=0.000). Serum LDH and IL-8 concentrations positively correlate (r=0.589, P=0.000). LDH and IL-8 concentrations are independent risk factors for high pain levels (OR=1.033, 1.142, P<0.05). The logistic regression prediction model formula was used: Y=constant+B1X1+B2X2+...+BnXn to set the joint diagnostic prediction model as -12.063+ 0.033×LDH+0.133×IL-8. The areas under the ROC curves of LDH, IL-8, and predictive model (LDH+IL-8) in patients with high pain were 0.925, 0.945, and 0.974, respectively. The relevant standards for LDH are >190 U/L, IL-8 is >36 pg/mL, and the relevant standards for prediction models are >5.75.

Conclusions: LDH and IL-8 participate in the pain aggravation process of pancreatic cancer and are closely related to the pain grading. The combination of LDH and IL-8 can be used as a biological indicator to evaluate the pain severity of pancreatic cancer and provide a reference for clinical diagnosis and treatment.

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