Introduction and Aim: Cancers are a complex group of genetic illnesses that develop through multistep, mutagenic processes which can invade or spread throughout the body. Recent advances in cancer treatment involve oncolytic viruses to infect and destroy cancer cells. The Newcastle disease virus (NDV), an oncolytic virus has shown to have anti-cancer effects either directly by lysing cancer cells or indirectly by activating the immune system. The green fluorescent protein (GFP) has been widely used in studying the anti-tumor activity of oncolytic viruses. This study aimed to study the anticancer effect of a recombinant rNDV-GFP clone on NCI-H727 lung carcinoma cell line in vitro. Materials and Methods: The GFP gene was inserted to a NDV strain to create a recombinant NDV (rNDV- GFP) using reverse genetics technology. The MTT assay was used in evaluating the oncolytic effect of rNDV- GFP on the lung carcinoma NCI-H727 cells. Light and fluorescent microscopy was used to study the cytopathic effects of rNDV-GFP. Results: MTT assay showed that rNDV-GPF inhibited the NCI-H727 tumor cell death in a time-dependent manner. A significant inhibitory effect (78.3%) for rNDV-GPF on cancer cells was observed at 96h in comparison to rNDV (22.7%) and the cytotoxicity rate was directly proportional to the MOI used. Microscopic studies showed rNDV-GPF to induce cytopathic effect post 24 h of infection. Conclusion: The GFP-expressing recombinant NDV strains exhibited encouraging results in terms of tumor growth inhibition. Our research set the groundwork for employing recombinant NDV as an anticancer viral vector.
Thousands of individuals are affected every day by the current covid-19 pandemic, which is caused by a novel coronavirus called SARSCoV2. As a result, medicines and vaccines that are effective against all SARSCoV2 subtypes are critical today. Viral genome mutations are prevalent, and they can affect the encoded proteins, resulting in varying levels of detection and illness treatment effectiveness. Despite its clinical relevance, the SARS-CoV-2 gene set remains uncertain, making COVID-19 biology difficult to understand. A single type of mutation in the S gene that was changed the anticodon 614 from aspartic acid to glycine (D614G) consequence in increased virus infection. Herein, we report the gene mutation of structural proteins particularly spike and nucleocapsid proteins in viral genome. The overall prevalence of S and N gene mutations in SARS-CoV-2 were investigated. Among the structural proteins, our findings suggest that nucleocapsid had the highest mutation density, whereas Spike D614G was the most prevalent 93.9 %, found largely in genomes worldwide. These findings indicate that while designing diagnostics tools and therapeutic alternatives, the virus genotype in a certain community should be taken into account.
This study aimed to detect genetic variants of the UGT1A1 gene in patients with Gilbert's syndrome. To detect this, primers were designed; PCR and direct sequencing were done for the promoter area of the gene as a diagnostic tool for the detection of any polymorphism. Variation and polymorphism were detected within the promoter mutants of the UDP glycosyltransferase _UGT1A1 gene that causes hyperbilirubinemia in a group of Iraqi patients compared with a group of the normal healthy individual as controls. The patients with hyperbilirubinemia in this study were 30 in which the total bilirubin level was more than 12 mg/dl serum; they included 25 males and 5 females, while the control group consisted of 20 healthy individuals. This study was carried out from September 2019 till April 2021. The result displayed high occurrence of Gilbert syndrome within male patients than in females, and regarding the analyses of mutation of bilirubin UDP glycosyltransferase _UGT1A1 gene, it is clear that the genotypic distribution of variation among the hyperbilirubinemia patients included all 30 patients, while SNP was detected in 18 patients out of 30 which indicate that the UGT1A1 gene mutation was a likely risk factor for the development of hyperbilirubinemia related Gilbert syndrome in Iraq. The homozygous and heterozygous polymorphisms A/G inside the promoter region of the UGT1A1 gene were effectively identified by sequencing. Our finding suggests that TA repeats and allele of UGT1A1 polymorphism A/G are associated with Gilbert's syndrome and act as genetic markers of this disease in Iraqi patients. To analyze data and sequence variation in gene, generous software was used after amplifying the gene. All processes include DNA extraction, PCR amplification, sequencing, and assembly.
Polycystic ovarian syndrome is the most common reproductive endocrine disorder in premenopausal women Given the clinical overlap between PCOS and type 2 diabetes mellitus (T2DM), this research sought to investigate if genes associated with T2DM were similarly connected to PCOS vulnerability. In either the univariate or multivariate scenario, none of the 16 SNPs was significantly associated with Polycystic Ovarian Syndrome after Bonferroni correction for multiple testing. The nine T2DM genes investigated in this preliminary research may not be the main PCOS risk factors in Indian women. Our findings add to the absence of evidence of a link between T2DM genes and PCOS in Chinese and Caucasians, suggesting that this trend may be universal. To determine the exact significance of the diabetes genes, researchers will need to conduct extensive studies that involve women with T2DM and PCOS.
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