Index Entries

Erman Akkus, Bahar Karaoglan, Cihangir Akyol, Ali Ekrem Ünal, Mehmet Ayhan Kuzu, Berna Savaş, and Güngör Utkan
June 06, 2024
Cureus
Ankara University School of Medicine (Turkey)

"Introduction: Microsatellite instable (deficient mismatch repair, dMMR) colon cancer is associated with hypermutability and immune infiltration-activation. COVID-19 vaccines stimulate immune-inflammation response. This study aimed to investigate the types and rates of COVID-19 vaccines in patients with newly diagnosed colon cancer and compare it according to the microsatellite status...

Discussion: In this case-control study, we revealed that the mRNA-based COVID-19 vaccine is associated with dMMR non-metastatic colon cancer. The BNT162b2 vaccine is associated with the higher risk of dMMR non-metastatic colon cancer, while CoronaVac is not associated with MSI status. Moreover, patients who received the BNT162b2 vaccine and have dMMR colon cancer had higher levels of CRP and sedimentation and lower levels of lymphocyte/CRP ratio, which suggest an inflammatory and immune relationship between mRNA-based vaccine and dMMR status."

document
adverse events,cancer,clinical cases,COVID-19,mRNA,vaccines