Correlation of Inflammatory Fibroblasts and PD-L1 Expression with Clinicopathological Features and Prognosis in Colorectal Cancer
10.11969/j.issn.1673-548X.2025.05.027
- VernacularTitle:结直肠癌中炎症成纤维细胞、PD-L1的表达与临床病理特征及预后的相关性
- Author:
Le HE
1
;
Nan YANG
;
Qi XIANG
Author Information
1. 730000 兰州,甘肃中医药大学第一临床医学院
- Publication Type:Journal Article
- Keywords:
Colorectal carcinoma;
iCAF;
PDGFRa;
RGS5;
PD-L1;
Tumor budding;
Antedate
- From:
Journal of Medical Research
2025;54(5):148-157
- CountryChina
- Language:Chinese
-
Abstract:
Objective To investigate the relationship between the appearance of ligand 1 in inflammatory fibroblasts,primary tumor-ous cells,tumor Impregna-ted immune-free cellulars and clinical pathologic signs in colorectal carcinoma.Methods The group meth-od of immunization was used,and PDGFRa and RGS5 were used to mark iCAF.The levels of PDGFRa,RGS5(mesenchyma,mesenchy-ma prior to tumor infiltration)and PD-L1 in TC and TIIC were detected in 120 CRC patients in our hospital from 2019 to 2021.To ana-lyze the relationship between the appearance of iCAF and PD-L1 in cancer tissues and clinical pathologic signs and overall survival(OS).Results The high rate of PDGFRa and RGS5 was 56.7％(68/120)and 47.5％(57/120)in the mesenchyma of 120 patients with colorectal carcinoma.The high detection rate of PDGFRa and RGS5 was 39.2％(47/120).The high surface level of PDGFRa and RGS5 is related to the emergence of neoplastic buds and the metastasis of luoba nodules in the region.The high surface reach rate of PDG-FRa was 71.7％(86/120)and that of RGS5 was 57.5％(69/120).The high detection rate of PDGFRa and RGS5 was 47.5％(57/120).The high surface level of PDGFRa and RGS5 is related to the emergence of tumor buds,the metastasis of lubaria in the region,and the phase of T.The positive rate of TC PD-L1 was 5.8％(7/120)and that of TIIC PD-L1 was 48.3％(58/120).The surface reach of TC PD-L1 is related to the regional luoba nodal transfer.Kaplan-Meier and Log-rank results were shown.The patient's OS was associated with histological grading,neoplasmic metastasis,neoplasmic budding,TIIC PD-L1,PDGFRa,and RGS5(mesenchyma,mesenchyma prior to neoplasmic infiltration).COX monofactor and polyfactor regression analysis showed:Histologic grading,luba metasta-sis,TIIC PD-L1,RGS5(mesenchyma,mesenchyma prelimbic)and PDGFRa(mesenchyma prelimbic)are independent of OS in pa-tients with CRCCreate a preemptive factor.The surface reach of PDGFRa(mesenchymal)was negatively correlated with that of TC PD-L1(r=-0.213,P=0.020).The surface reach of RGS5(mesenchymal)was negatively correlated with that of TC PD-L1(r=-0.183,P=0.046).Conclusion In CRC,iCAF has a negative correlation with TC PD-L1.Targeting the treatment of iCAF in CRC may benefit it,and the detection of TC PD-L1 and TIIC PD-L1 may provide reference for the therapeutic effect of clinical anti-epidem-ic therapy and the prediction of CRC.
