Kofodlangballe9019
To characterize HPV16 E6/E7 mutation and its association with p53 expression among Indonesian women with cervical cancer.
This is a cross-sectional study involving 31 Indonesian women with pathologically proven cervical cancer and HPV16 infection. Data about the clinical characteristics of the study population were obtained from the medical records. Biopsy specimen of the cervical cancer mass from each study participant was obtained for DNA isolation. The ORFs of E6 and E7 genes were amplified using specific primer designed according to K02718/HPV16R gene sequence obtained from GenBank. Sequencing was performed using software program MEGA10. HPV16 E6 and E7 prototype sequences for nucleotide alignment (HPv16. P, GenBank Access code NC_001526) was selected from European variant. The sequence of nucleotide and amino acid was aligned using software program BioEdit. p53 expression was evaluated through immunohistochemistry and quantified using immunoreactivity score (IRS).
Twelve subjects (38.7%) present with E6 and E7 mutation. Median age, parity, stage and histologic type of the tumour did not associate with E6/E7 mutation. E6 and E7 mutation rate was 25.8% (8/31) and 12.9% (4/31), respectively. Seven single nucleotide changes were identified within the E6 and E7 oncogenes, including four non-synonymous and three synonymous mutations. E6 T27C was the most prevalent mutation (16.1%). Nonsynonymous mutations were more prevalent within E7 gene (9.6%) (N29T, N29S, and R77C). Median IRS did not differ between HPV16-E6/E7 variants and wildtype (p value = 0.990). There was no association between E6/E7 mutations and p53 expression in Indonesian women with cervical cancer (PR 1.4, 95% CI 0.29-6.77, p value = 0.704).
HPV16 E6 mutation was more prevalent than E7 mutation among Indonesian women. There was no association between E6/E7 mutation and p53 expression level.
HPV16 E6 mutation was more prevalent than E7 mutation among Indonesian women. There was no association between E6/E7 mutation and p53 expression level.
Efficacy of transarterial chemoembolization (TACE) combined antiviral therapy (AVT) on long-term outcome in hepatitis B virus-related HCC with microvascular invasion (MVI) after hepatic resection is unclear.
A multicenter retrospective study was conducted. All patients were divided into four groups according to postoperative adjuvant therapy (control group, AVT group, TACE group, and combined group). The overall survival (OS) and recurrence-free survival (RFS) were analyzed.
A total of 1090 patients were enrolled in this study, including control group (n=319), TACE group (n=152), AVT group (n=335) and combined group (n=284). Multivariate Cox analysis showed that postoperative adjuvant AVT and TACE were the independent protective factors for OS and RFS. The median OS among the control group, TACE group, AVT group, and the combined group were 16.44, 18.36 months, 38.88 months, and 48.24 months respectively(p<0.01). The median RFS among 4 group were 4.68, 5.40 months, 8.64 months and 10.32 months respectively(p<0.01).
Postoperative adjuvant TACE and AVT were the independent protective factors associated with mortality and tumor recurrence in HBV-related HCC with MVI after resection. This combined treatment strategy may provide useful clinical significance in the prevention of tumor recurrence in these patients.
Postoperative adjuvant TACE and AVT were the independent protective factors associated with mortality and tumor recurrence in HBV-related HCC with MVI after resection. This combined treatment strategy may provide useful clinical significance in the prevention of tumor recurrence in these patients.
This study aimed to assess the role of miR-130b and miR-125b expression in Hepatocellular Carcinoma (HCC) progression.
This study was carried out on 150 subjects classified into three groups Group I, 50 healthy controls; Group II, 50 patients with liver cirrhosis; Group III, 50 patients with HCV related HCC. The controls were frequency matched based on age and sex with the other groups. All individuals were subjected to testing for liver function, alpha-fetoprotein (AFP), and viral markers. miR-130b and miR-125b were detected in plasma using a quantitative real-time RT-PCR.
miR-130b was significantly upregulated, whereas miR-125b was significantly downregulated in HCC patients compared with cirrhotic patients and healthy controls. There was a significant correlation between miR-130b and AFP and tumor size. Receiver operating curve (ROC) analyses suggested that plasma miR-130b had a significant diagnostic value for HCC with a sensitivity of 92% and a specificity of 77.5%. A sensitivity of 85.5% and a specificity of 82.5% was observed for miR-125b for HCC.
Plasma miR-130b and miR-125b may play a role in disease progression and development of HCC and may act as potential biomarkers for the diagnosis of HCC.
Plasma miR-130b and miR-125b may play a role in disease progression and development of HCC and may act as potential biomarkers for the diagnosis of HCC.
Croton tiglium L. seeds were studied against colon cancer induced chemically in rats after incorporating silver nanoparticles (Ag-NPs) but the body has no the ability to discrete silver or silver ions. Therefore, the present study was designed to reveal the biological activities of different C. CFSE tiglium L. seeds extracts incorporated with zinc oxide nanoparticles (ZnO-NPs).
It was found that C. tiglium L. seeds provided with high contents of total protein (27.43 g/100g), carbohydrate (18.29 g/100 g) and lipid (46.31 g/100 g). The chromatographic techniques revealed that concentrations of the predominant compounds increased in all studied extracts (ethanolic, aqueous and petroleum ether) after incorporating ZnO-NPs. The in vitro biological activities showed that the aqueous extract possessed the highest antioxidant and scavenging activities. It exhibited the highest inhibitory effect on α-amylase (41.89%) and acetyl cholinesterase (AChE) (23.00%) in addition to its higher anti-arthritic activity. All the biological activities increased after incorporating ZnO-NPs. It showed the highest cytotoxic activity that increased after incorporating ZnO-NPs against human colon carcinoma (CACO-2) cells. Therefore, this extract was selected for undergoing further studies on CACO-2 cells. The aqueous extract incorporated with ZnO-NPs arrested growth of CACO-2 cells at G2/M and increased percentage of total apoptotic cells and necrosis. The median lethal dose (LD50) showed that the extracts incorporated with ZnO-NPs were safer than the native extracts.
The study showed that the aqueous extract was the most active extract that consequently exhibited promising biological activities after incorporating ZnO-NPs.
The study showed that the aqueous extract was the most active extract that consequently exhibited promising biological activities after incorporating ZnO-NPs.
Ovarian cancer is one of the leading causes of cancer-related mortality in women, and is often associated with drug resistance. Therefore, finding effective drugs, including naturally derived compounds, is urgently needed. Herein, we aimed to test the anti-cancer potential of gallic acid monohydrate (GA) and its congeners on cisplatin-sensitive (A2780S), and resistant (A2780CP) ovarian cancer and normal ovarian (HOSE6-3) cell lines.
Cytotoxicity was assessed by AlamarBlue and CCK08 assays by exposing cells to different concentrations of cisplatin (0-21µg/mL), GA and its congeners (0-100µg/mL), and a combination of GA and cisplatin. Apoptosis was estimated by Hoechst stain and monitoring the relative RNA expression of the apoptotic effector caspase-3 using qRT-PCR.
GA decreased cell viability in a concentration-dependent manner in all cell lines, with an IC50 of 19.39µg/mL (A2780S), 35.59 µg/mL (A2780CP), and 49.32µg/mL (HOSE6-3). GA displayed higher cytotoxicity than its congeners. An apoptotic rate estimation of approximately 20% and 30% was obtained in A2780S and A2780CP. While the cytotoxicity observed with cisplatin and GA was comparable, combining the two enhanced the cytotoxicity significantly, especially in the A2780CP cell line (p<0.05).
These data suggest that GA may help overcome the resistance. Hence, the cytotoxic effects of GA, especially on chemo-resistant ovarian cancer cells merit further investigation.<br />.
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Homozygous deletion i.e., null polymorphism of the Glutathione S transferases genes hinders detoxification reactions by altering the sensitization of glutathione s transferases enzymes. Hence, we analysed the association between the GSTM1 and GSTT1 gene polymorphisms and head and neck cancer (HNC).
The study consists of 238 healthy controls and 160 diagnosed cases of HNC, who attended the Regional Cancer Centre, Indira Gandhi Institute of Medical Sciences (a tertiary care hospital). DNA was extracted from whole blood of patients and control using Qiagen DNA extraction kit. GSTM1 and GSTT1 gene polymorphisms were examined using PCR and agarose gel electrophoresis.
GSTM0 null polymorphism was 26.25% and 15.13% in cases and control respectively. GSTT0 null polymorphism was observed in 18.13% cases and 8.82% in control groups. The GSTM0 null polymorphism was present significantly in case group as compared to control group (OR = 1.997, p = 0.006). There was also significant association of GSTT0 null polymorphism with case group as compared to control group (OR = 2.288, p = 0.006). The combined genotypes were also analysed. GSTM0T1 genotype (n = 27) was found to be most common among HNC group followed next by GSTM0T0 double deletion (n =15).
The result indicated that there was strong association of GSTM0 and GSTT0 null polymorphism in those patients. The combined genotypes i.e., GSTM0T1 and GSTM0T0 null polymorphism also showed significant association in HNC patients.
The result indicated that there was strong association of GSTM0 and GSTT0 null polymorphism in those patients. The combined genotypes i.e., GSTM0T1 and GSTM0T0 null polymorphism also showed significant association in HNC patients.
Gastric and colorectal cancers are two obesity-related cancers. Irisin is a dipo-myokine with an important role in the body's energy homeostasis. Oxidative Stress has a crucial role in tumorigenesis. Therefore, this study aims to investigate the association of circulating irisin with oxidative stress in gastric and colorectal cancer patients.
A case-control study involving 62 gastric and colorectal cancers and 22 healthy individuals was carried out. Serum irisin and Total Antioxidant Capacity were measured by sandwich enzyme-linked immunosorbed assay (ELIZA) kits. Total Oxidative Stress (TOS) was measured using colorimetric methods and oxidative stress index (OSI) was also calculated.
Serum irisin decreased significantly (p<0.0001) in gastric and colorectal cancer cases compared to healthy individuals. The TOS and OSI levels increased significantly (p<0.0001) in gastric and colorectal cancer cases compared to healthy individuals. No significant correlation was found in terms of irisin, TOS, TAC, and OSI in gastric and colorectal cancer cases and control groups.
Circulating irisin decreases and oxidative stress increases in gastric and colorectal cancers. There is no correlation between irisin and oxidative stress. The mechanism by which irisin is associated with oxidative stress is still not clear.
Circulating irisin decreases and oxidative stress increases in gastric and colorectal cancers. There is no correlation between irisin and oxidative stress. The mechanism by which irisin is associated with oxidative stress is still not clear.
