The significance of HPV L1 capsid protein and p16 protein in the clinical outcomes of cervical low-grade squamous intraepithelial lesion with persistent high-risk HPV infection
Objective To explore the significance of human papilloma virus(HPV)L1 capsid protein and p16 protein in the clinical outcomes of cervical low-grade squamous intraepithelial lesions(LSIL)with persistent high-risk HPV infection.Methods Immunohistochemical analysis of HPV L1 and p16 was conducted on cervical tissues from 114 patients with persistent high-risk HPV infection and pathologically confirmed LSIL who were treated at the Cervical Disease Center of Department of Gynecology,Bo'ai Hospital of Zhongshan from January to July 2022,and follow-up was conducted.Results The cumulative progression rate of 114 LSIL patients was 21.93%,and the positive rates of HPV L1 and p16 were 25.44%and 39.47%,respectively.In the single detection,the regression rate of HPV L1(+)expression was as high as 68.97%,which was significantly different from the progression group and the persistent group(P<0.05);In the combined detection,the cumulative regression rates of HPV L1(+)/p16(+),HPV L1(+)/p16(-),and HPV L1(-)/p16(+),were 60.00%,78.57%,and 43.64%,respectively.There were statistically significant differences in the cumulative progression rate and persistence rate(P<0.05).Stratified analysis revealed that among individuals with HPV L1(+)expression,the regression rate at 24 months was higher than that of individuals with p16(+)expression,with a statistically significant difference(P<0.05).In the combined detection,the progression rate of HPV L1(-)/p16(+)expression in the 6th and 12th months was higher than that of other groups;The regression rate of HPV L1(+)/p16(-)expression in the 24th month was higher than that of other groups,and the differences were statistically significant(P<0.05).The results of the binary Logistic regression analysis indicate that the presence of HPV16/18 and p16 is a risk factor for the progression of LSIL,with OR values of 3.242(95%CI:1.261-8.336)and 2.714(95%CI:1.055-6.980),respectively.Conclusion The analysis of persistent infection types of high-risk HPV,as well as immunohistochemical detection of HPV L1 capsid protein and p16 protein,have certain clinical value in the clinical outcomes of LSIL patients with persistent infection of high-risk HPV,which can help guide clinical physicians to conduct individualized follow-up and triage management of LSIL patients with persistent infection of high-risk HPV.
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