Current Issue

Vol 3 No 4 (2018): November, 2018
  • Open Access Research Article
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    Trends Journal of Sciences Research 2018, 3(4), 151-160. 10.31586/Biochemistry.0304.02
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    Abstract
    The study investigated the antiplasmodial potency of Justicia carnea in plasmodium infected mice. The aqueous leaf extract of Justicia carnea was subjected to phytochemical screening using GC-FID. The suppressive, prophylactic and curative activity of the studied plant was accessed after oral administration of standard drugs (5mgkg-1 choroquine and 4mgkg-1 artesunate)
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    The study investigated the antiplasmodial potency of Justicia carnea in plasmodium infected mice. The aqueous leaf extract of Justicia carnea was subjected to phytochemical screening using GC-FID. The suppressive, prophylactic and curative activity of the studied plant was accessed after oral administration of standard drugs (5mgkg-1 choroquine and 4mgkg-1 artesunate) and 400-800mgkg-1 of the extract. The effect of the aqueous leaf extract of the studied plant was also explored in the activities of liver enzymes, oxidative stress markers and hematological indices of plasmodium infected mice using spectrophotomertic methods and a hematology auto analyzer (BC 5300 Mindray England) respectively. The aqueous leaf extract of Justicia carnea showed considerable dose dependent antiplasmodial activity in the suppressive, prophylactic and curative test conducted. The suppressive activity of (92%) of the aqueous leaf extract of the studied plant at 800mgkg-1 was comparable to the standard drugs used while the mean survival time of plasmodium infected mice at 800mgkg-1 was beyond the mean survival time of the infected untreated group. The aqueous leaf extract of the studied plant also exhibited significant improvements in the activities of liver enzymes, oxidative stress markers and some hematological parameters at 800mgkg-1 of the extract when compared with the infected and untreated group. The results of the study exhibited the antiplasmodial activity of the studied plant, nonetheless, the crude extracts of the studied plant can be further purified for synergistic use with other potent antimalarial drugs to combat and achieve total clearance of plasmodium resistant infections.Full article
  • Open Access Research Article
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    Trends Journal of Sciences Research 2018, 3(4), 161-169. 10.31586/Biomedicine.0304.03
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    Abstract
    Background: Hepatocellular carcinoma is one of the most common malignant tumors, with rapid development and high malignancy. MicroRNAs have been reported to play important roles in hepatocellular carcinoma progression. Aim: To identify the key genes and miRNAs in HCC, and to explore their potential molecular mechanisms. Methods: Gene expression profiles
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    Background: Hepatocellular carcinoma is one of the most common malignant tumors, with rapid development and high malignancy. MicroRNAs have been reported to play important roles in hepatocellular carcinoma progression. Aim: To identify the key genes and miRNAs in HCC, and to explore their potential molecular mechanisms. Methods: Gene expression profiles of GSE15471 (mRNA profile) and GSE57555 (miRNA profile) were downloaded from gene expression omnibus, which were analysed using R software and bioconductor packages. The gene ontology and Kyoto Encyclopedia of Genes and Genomes pathway enrichments of DEGs were performed using the DAVID database, and the protein–protein interaction networks of the DEGs were constructed from the STRING database. In addition, targets of differentially expressed miRNAs were predicted by the online resource miRDB. Result: In total, 191 differentially expressed genes were identified, including 142 upregulated and 49 downregulated genes. Functional analysis revealed that these DEGs were associates with wound healing, endodermal cell-cell adhesion, activation of MAPK activity and negative regulation of cell proliferation. In addition, we identified five DEMs, which were upregulated and downregulated. hsa-miR-122-5p may target the PDK4, and hsa-miR-21-5p probably targets SPOCK1 and PAIP2B. Conclusions: We applied integrated bioinformatics to identify key pathogenic genes involved in hepatocellular carcinoma and provide new clues for further studies of hepatocellular carcinoma.Full article
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  • Open Access Case Report
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    Trends Journal of Sciences Research 2018, 3(4), 147-150. 10.31586/Surgery.0304.01
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    Abstract
    Central venous devices are routinely used in delivering chemotherapy and total parenteral nutrition. Spontaneous migration of central venous catheters is a very rare complication, but the etiology of this problem is not clear. We report here a case of migration of a port catheter to the anterior mediastinum in
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    Central venous devices are routinely used in delivering chemotherapy and total parenteral nutrition. Spontaneous migration of central venous catheters is a very rare complication, but the etiology of this problem is not clear. We report here a case of migration of a port catheter to the anterior mediastinum in a patient with stage IVC nasopharyngeal cancer during chemotherapy. The patient presented with pulmonary manifestations in form of shortness of breath and chest tightness caused by left massive pleural effusion. The pleural effusion was resolved by thoracocentesis and the migrated catheter was retrieved surgically.Full article
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