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Correlation between interleukin-6 expression in post-mortem core liver biopsy and degree of liver injury in patients with fatal COVID-19 Maimunah, Ummi; Maharani, Andi RK.; Soegiarto, Gatot; Rahniayu, Alphania; Gunawan, Vania A.; Wiratama, Priangga A.; Djuanda, Stephanie N.; Supriadi, Supriadi; Marhana, Isnin A.; Semedi, Bambang P.; Lefi, Achmad; Kusumastuti, Etty H.; Suyanto, Edi; Lilihata, Jilientasia G.; Anggoro, Adhitri; Rinjani, Lalu GP.; Rosyid, Alfian N.; Wahyu, Dwi; Fauziah, Dyah; Rahaju, Anny S.; Kurniasari, Nila; Ariani, Grace; Nugroho, Gilang MS.; Yandi, I KR.; Nugraha, Ricardo A.
Narra J Vol. 3 No. 3 (2023): December 2023
Publisher : Narra Sains Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52225/narra.v3i3.463

Abstract

Excessive release of interleukin-6 (IL-6) during the progression of coronavirus disease 2019 (COVID-19) induces cytokine storms, resulting in multi-organ damages including liver injury, similar in nature with mechanism of viral hepatitis. Systemic IL-6 has been associated with the incidence of liver injury among COVID-19 patients; however, studies on IL-6 expression in the liver tissue are completely lacking. The aim of this study was to measure the IL-6 expression in the liver tissues and to determine its correlation with the degree of liver injury in fatal COVID-19 patients. Through this first cross-sectional study, IL-6 expression was measured through immunohistochemical staining and the degree of liver injury was identified based on level of serum alanine aminotransferase (ALT). The Spearman correlation test was used to identify the correlation between IL-6 expression and the degree of liver injury. A total of 47 deceased COVID-19 patients were included and IL-6 expression was observed in all post-mortem liver specimens, ranging from mild to strong expression. Liver injury at various degrees (mild to severe) was found in more than half (59.5%) of the cases. The Spearman correlation analysis suggested a statistically insignificant correlation between liver IL-6 expression and the degree of liver injury (r=0.152; p=0.309). In conclusion, even IL-6 expression was observed in all post-mortem liver specimens, there was an insignificant correlation between IL-6 expression in the liver tissue with the degree of liver injury among fatal COVID-19 patients, suggesting that IL-6 was not the only main factor contributing to liver damage in COVID-19 patients.
Comparison of PD-L1, CTR-1, VEGF, and p53 expression in sensitive and resistant epithelial ovarian cancer (EOC) patients to platinum-based chemotherapy Perbowo, Primandono; Tjokroprawiro, Brahmana A.; Aryati, Aryati; Kusumastuti, Etty H.; Ariani, Grace
Narra J Vol. 5 No. 1 (2025): April 2025
Publisher : Narra Sains Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52225/narra.v5i1.1419

Abstract

The current standard treatment for ovarian cancer is a combination of cytoreductive surgery and platinum-based chemotherapy; however, many patients develop resistance, leading to a high recurrence rate. The aim of this study was to analyze the expression of PD-L1, CTR-1, VEGF, and p53 in epithelial ovarian cancer (EOC) patients, comparing those sensitive and resistant to platinum-based chemotherapy. A cross-sectional study was conducted among EOC patients who underwent surgery and platinum-based chemotherapy between 2020 and 2023 at Dr. Soetomo General Academic Hospital, Surabaya, Indonesia, with evaluations performed six months post-chemotherapy. The expression of PD-L1, CTR-1, VEGF, and p53 were measured using immunohistochemistry (IHC) and compared between chemotherapy-sensitive and resistant patients. A total of 65 patients were included: 31 resistant and 34 sensitive cases. The results showed higher PD-L1 expression in the resistant group compared to the sensitive group (mean combined positive score (CPS) of 0.46±0.29 vs 0.17±0.09, p<0.001). The CTR-1 expression was lower in the resistant group (immunoreactive score 2.90±1.30) compared to the sensitive group (immunoreactive score 6.82±2.68) with p<0.001. VEGF and p53 expression were also higher in the resistant group (6.68±2.59 vs 2.76±1.10 and 64.68±13.54% vs 30.15±13.06%, respectively) compared to the sensitive group, with both having p<0.001. The study suggests that increased expression of PD-L1, VEGF, and p53 and decreased CTR-1 expression are associated with platinum-based chemotherapy resistance among EOC patients. Therefore, these biomarkers might have the potential for predicting treatment responses and understanding resistance mechanisms.