A prognostic score based on B cell and plasma cell densities compared to T cell densities in colorectal cancer
Karjalainen, Henna; Sirniö, Päivi; Tuomisto, Anne; Mäkinen, Markus J.; Väyrynen, Juha P. (2023-02-17)
Karjalainen, H., Sirniö, P., Tuomisto, A. et al. A prognostic score based on B cell and plasma cell densities compared to T cell densities in colorectal cancer. Int J Colorectal Dis 38, 47 (2023). https://doi.org/10.1007/s00384-023-04322-y
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https://urn.fi/URN:NBN:fi-fe2023071390601
Tiivistelmä
Abstract
Purpose: The purpose of this study was to compare a B cell/plasma cell–based scoring system to T cell score and evaluate their prognostic value in colorectal cancer.
Methods: We used immunohistochemistry to analyze the expression of CD20, CD138, CD3, and CD8 in 221 colorectal cancer patients. CD20+ B cell and CD138+ plasma cell densities in the tumor center and invasive margin were calculated and converted into a B cell/plasma cell score. T cell score was defined similarly, using CD3+ and CD8+ T cell densities. Their associations with tumor and patient characteristics and survival were analyzed.
Results: Kaplan–Meier analysis showed a high B cell/plasma cell score was associated with a tendency towards longer survival (p = 0.089), but no statistically significant association was found. High T cell score associated with longer cancer-specific survival in Kaplan–Meier analysis and multivariable Cox regression analysis (p < 0.001). Additionally, high T cell score associated with lower disease stage (p < 0.001) and lesser lymphovascular invasion (p = 0.020).
Conclusions: High T cell score is associated with longer survival and clinicopathological factors typical to less aggressive tumors. This study did not support the additional prognostic value of B cell/plasma cell quantification.
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