[Significance of CD138 in immunohistochemical profiles and its correlation with prognosis in diffuse large B-cell lymphoma]
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Published on: February 12, 2022
Hong-wei Zhang1, Zhen-wen Chen, Jin-fen Wang
1Department of Biochemistry and Molecular Biology, Shanxi Medical University, Taiyuan 030001, China.
Objective:
The purpose of this study was to classify the diffuse large B-cell lymphoma (DLBCL) into different prognostic subgroups according to four different detection methods of the expression of CD138, CD10, bcl-6, and MUM1. In particular to investigate the significance of CD138 in immunohistochemical profiles and its correlation with prognosis in DLBCL.
Methods:
Immunohistochemical EnVision method was used to detect the expression of CD138, CD10, bcl-6 and MUM1 in 106 cases of DLBCL and reconstructed into four different subtyping algorithms. Algorithm-1, according to the expression of CD10, bcl-6 and MUM1, the cases were assigned to GCB and non-GCB groups. Algorithm-2, according to the expression of CD138, CD10, bcl-6 and MUM1, the cases were assigned to A, B, C, D groups. Algorithm-3, according to the expression of CD10 and MUM1, the cases were assigned to GCB and non-GCB groups. Algorithm-4, according to the expression of CD138, CD10, bcl-6 and MUM1, the cases were assigned to GCB and non-GCB groups. Following up was included as well. Statistical analysis was performed using the SPSS 13.0 and differences were considered significant at P < 0.05.
Results:
CD138, MUM1, CD10 and bcl-6 were positive in 15.1% (16/106), 56.6% (60/106), 21.7 (23/106) and 26.4% (28/106), respectively. The expression of CD10 and bcl-6 was associated with favorable OS (P = 0.001 and 0.041, respectively), whereas the expression of CD138 was associated with unfavorable OS (P = 0.003). Using multivariate Cox proportional hazards regression analysis, algorithm-1 and -4 were almost at the same level for prognosis of OS (OR = 0.259, 0.255) and PFS (OR = 0.248, 0.244).
Conclusions:
Both Hans's algorithm and Colombo's algorithm including CD138 detection are associated with the prognosis of DLBCL patients. The two algorithms have similar OR value according to Cox analysis. However, positive expression of CD138 is of minor significance in prediction of the prognosis in DLBCL patients.