Yıl: 2023 Cilt: 47 Sayı: 4 Sayfa Aralığı: 262 - 275 Metin Dili: İngilizce DOI: 10.55730/1300-0152.2661 İndeks Tarihi: 20-11-2023

The effects of anti-PD-L1 monoclonal antibody on the expression of angiogenesis and invasion-related genes

Öz:
Background/aim: The role of PD-L1 in regulating the immunosuppressive tumor microenvironment via its binding on PD-1 receptors is extensively studied. The PD-1/PD-L1 axis is a significant way of cancer immune escape, and PD-L1 expression on tumor cells is suggested as a predictive marker for anti-PD-1/PD-L1 monoclonal antibodies (MoAbs). However, the tumor-intrinsic role of PD- L1 is not known well. Therefore, we aimed to investigate the effects of anti-PD-L1 antibodies on the expression of angiogenesis and metastasis-related genes in tumor cells. Materials and methods: The experiments were done with prostate cancer and melanoma cells with low PD-L1 expression (<5%) and prostate and breast cancer cells with high PD-L1 expression (>50%). The gene and protein expressions of VEGFA, E-cadherin, TGFβ1, EGFR, and bFGF in tumor cells were assayed at the 3 different doses of the anti-PD-L1 antibody. Results: We found that VEGFA, E-cadherin and TGFβ1 expressions increased in PD-L1 high cells but decreased in PD-L1 low cells after anti-PD-L1 treatment. EGFR expression levels were variable in PD-L1 high cells, while decreased in PD-L1 low cells upon treatment. Also, the anti-PD-L1 antibody was found to increase bFGF expression in the prostate cancer cell line with high PD-L1 expression. Conclusion: Our results suggest that the binding of PD-L1 on tumor cells by an anti-PD-L1 monoclonal antibody may affect tumor- intrinsic mechanisms. The activation of angiogenesis and metastasis-related pathways by anti-PD-L1 treatment in PD-L1 high tumors might be a tumor-promoting mechanism. The decrease of VEGFA, TGFβ1 and EGFR upon anti-PD-L1 treatment in PD-L1 low tumor cells provides a rationale for the use of those antibodies in PD-L1 low tumors.
Anahtar Kelime: Anti-PD-L1 E-cadherin immunotherapy metastasis PD-L1 VEGFA

Belge Türü: Makale Makale Türü: Araştırma Makalesi Erişim Türü: Erişime Açık
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APA Babahan C, Abdi Abgarmi S, SONUGÜR F, Ocal-Demirtas M, Akbulut H (2023). The effects of anti-PD-L1 monoclonal antibody on the expression of angiogenesis and invasion-related genes. , 262 - 275. 10.55730/1300-0152.2661
Chicago Babahan Cansu,Abdi Abgarmi Samira,SONUGÜR FATMA GİZEM,Ocal-Demirtas Muge,Akbulut Hakan The effects of anti-PD-L1 monoclonal antibody on the expression of angiogenesis and invasion-related genes. (2023): 262 - 275. 10.55730/1300-0152.2661
MLA Babahan Cansu,Abdi Abgarmi Samira,SONUGÜR FATMA GİZEM,Ocal-Demirtas Muge,Akbulut Hakan The effects of anti-PD-L1 monoclonal antibody on the expression of angiogenesis and invasion-related genes. , 2023, ss.262 - 275. 10.55730/1300-0152.2661
AMA Babahan C,Abdi Abgarmi S,SONUGÜR F,Ocal-Demirtas M,Akbulut H The effects of anti-PD-L1 monoclonal antibody on the expression of angiogenesis and invasion-related genes. . 2023; 262 - 275. 10.55730/1300-0152.2661
Vancouver Babahan C,Abdi Abgarmi S,SONUGÜR F,Ocal-Demirtas M,Akbulut H The effects of anti-PD-L1 monoclonal antibody on the expression of angiogenesis and invasion-related genes. . 2023; 262 - 275. 10.55730/1300-0152.2661
IEEE Babahan C,Abdi Abgarmi S,SONUGÜR F,Ocal-Demirtas M,Akbulut H "The effects of anti-PD-L1 monoclonal antibody on the expression of angiogenesis and invasion-related genes." , ss.262 - 275, 2023. 10.55730/1300-0152.2661
ISNAD Babahan, Cansu vd. "The effects of anti-PD-L1 monoclonal antibody on the expression of angiogenesis and invasion-related genes". (2023), 262-275. https://doi.org/10.55730/1300-0152.2661
APA Babahan C, Abdi Abgarmi S, SONUGÜR F, Ocal-Demirtas M, Akbulut H (2023). The effects of anti-PD-L1 monoclonal antibody on the expression of angiogenesis and invasion-related genes. Turkish Journal of Biology, 47(4), 262 - 275. 10.55730/1300-0152.2661
Chicago Babahan Cansu,Abdi Abgarmi Samira,SONUGÜR FATMA GİZEM,Ocal-Demirtas Muge,Akbulut Hakan The effects of anti-PD-L1 monoclonal antibody on the expression of angiogenesis and invasion-related genes. Turkish Journal of Biology 47, no.4 (2023): 262 - 275. 10.55730/1300-0152.2661
MLA Babahan Cansu,Abdi Abgarmi Samira,SONUGÜR FATMA GİZEM,Ocal-Demirtas Muge,Akbulut Hakan The effects of anti-PD-L1 monoclonal antibody on the expression of angiogenesis and invasion-related genes. Turkish Journal of Biology, vol.47, no.4, 2023, ss.262 - 275. 10.55730/1300-0152.2661
AMA Babahan C,Abdi Abgarmi S,SONUGÜR F,Ocal-Demirtas M,Akbulut H The effects of anti-PD-L1 monoclonal antibody on the expression of angiogenesis and invasion-related genes. Turkish Journal of Biology. 2023; 47(4): 262 - 275. 10.55730/1300-0152.2661
Vancouver Babahan C,Abdi Abgarmi S,SONUGÜR F,Ocal-Demirtas M,Akbulut H The effects of anti-PD-L1 monoclonal antibody on the expression of angiogenesis and invasion-related genes. Turkish Journal of Biology. 2023; 47(4): 262 - 275. 10.55730/1300-0152.2661
IEEE Babahan C,Abdi Abgarmi S,SONUGÜR F,Ocal-Demirtas M,Akbulut H "The effects of anti-PD-L1 monoclonal antibody on the expression of angiogenesis and invasion-related genes." Turkish Journal of Biology, 47, ss.262 - 275, 2023. 10.55730/1300-0152.2661
ISNAD Babahan, Cansu vd. "The effects of anti-PD-L1 monoclonal antibody on the expression of angiogenesis and invasion-related genes". Turkish Journal of Biology 47/4 (2023), 262-275. https://doi.org/10.55730/1300-0152.2661