Abstract: Objective To analyze the expression levels and clinical significance of serum soluble CD40 in
patients with severe hepatitis and primary liver cancer. Methods Total of 44 patients with severe hepatitis
and 26 patients with primary liver cancer from December 2014 to August 2015 in Handan Infectious Disease
Hospital were selected as observation group 1 and observation group 2. Total of 65 cases who underwent
physical examination were selected as control group. Enzyme-linked immunosorbent assay (ELISA) was used
to detect the concentration of serum soluble CD40. Results The serum CD40 levels of patients in observation
group 1 and observation group 2 were (135.85 ± 115.5) pg/ml and (150.95 ± 75.5) pg/ml, respectively, which
were significantly higher than those in control group [(45.58 ± 28.9) pg/ml], the differences were statistically
significant (t = 5.644, P = 0.0017). The difference of serum CD40 level between observation group 1 and
observation group 2 had no statistical significance (t = 0.028, P = 0.476). The level of CD40 in severe hepatitis
patients who died was (200.2 ± 135.6) pg/ml, which was significantly higher than that of survivors
[(85.93 ± 75.2) pg/ml], the difference was statistically significant (t = 0.625, P = 0.0017). The serum
levels of CD40 in patients with hepatic encephalopathy (HE) and non-HE were (235.9 ± 120.5) pg/ml
and (108.5 ± 100.8) pg/ml respectively, the difference was statistically significant (t = 5.412, P = 0.0014).
There was a positive correlation between the concentration of soluble CD40, ALT and AST in observation
group 1 and observation group 2 (r = 0.48, 0.36, P = 0.01, 0.02; r = 0.43, 0.40, P = 0.00, 0.02). The average
concentration of soluble CD40 in male patients with severe hepatitis was (225.48 ± 95.52) pg/ml, which was
higher than that of female patients [(164.25 ± 89.65) pg/ml]. The difference was statistically significant (t = 3.24,
P = 0.01). Conclusions Serum soluble CD40 level in patients with severe hepatitis and primary liver cancer
is significantly higher than that in healthy people. It is an immunological index to evaluate the acute injury of
liver cells and the prognosis of severe hepatitis.
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