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46 results for “over-expression”

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Research ArticleOpen accessPhrase in the titleEnhanced Fatty Acid Production in Escherichia coli by Over-Expression of NADPH Generating EnzymesYuanda Song, Yong Q. Chen, Haiqin Chen et al.NADPH is an essential factor for Fatty Acid (FA) biosynthesis. The effect of NADPH generating enzymes [NADP+-dependent malic enzyme (NADP-ME), NADP+-dependent isocitrate dehydrogenase (NADP-IDH), Glucose 6-Phosphate Dehydrogenase (GPD) and 6-Phosphogluconate Dehydrogenase (PGD)] on FA biosynthesis was investigated in an engineered Escherichia coli BL21 △fadE/pTE. Among NADPH-generating enzymes, GPD and ICD increased total FA production by 60 and 16% respectively. Especially … …American Journal of Biochemistry and Biotechnology, Vol. 13, Issue 4 · 23 Oct 2017 · 8,578 accessesView PDFCite
Research ArticleOpen accessPhrase in the titleEffect of Niacin on Hyperleptinemia and Ob Gene mRNA Over-Expression in Adipose Tissue of Dexamethasone Treated RatsTahoora Shomali, Mahnaz Taherianfard, Mehdi Fazeli, Niloofar SafaeiProblem statement: Glucocorticoid-induced ob gene over-expression and resulted hyperleptinemia may lead to adverse consequences especially on cardiovascular system; therefore, the present study was conducted to evaluate the effects of niacin on hyperleptinemia and ob gene over-expression due to dexamethasone administration in rats. Approach: Twenty four adult male rats divided randomly into four equal groups: 1- normal saline (control), 2- dexamathasone … …American Journal of Pharmacology and Toxicology, Vol. 6, Issue 2 · 17 Aug 2011 · 7,988 accessesView PDFCite
Research ArticleOpen accessIn the keywordsRole of Biopterin Transporter (BT1) Gene on Growth and Infectivity of LeishmaniaManju Jain, Vandana S. Dole, Peter J. Myler et al.Leishmania are known to be auxotrophic for pteridines that are known to play a critical role in the parasites survival. In the present work the role of biopterin transporter in the growth of the parasite and infectivity in to macrophages has been worked out. The role of biopterin transporter in the susceptibility of Leishmania to antimonial compounds has also been … …American Journal of Biochemistry and Biotechnology, Vol. 3, Issue 4 · 31 Dec 2007 · 7,038 accessesView PDFCite
Research ArticleOpen accessIn the abstractComputational Prediction of Diabetic Nephropathy-Associated Comorbidities and Their Key Genes by Analyzing RNA-Seq DataChaity Paul, Md. Ashiq Uddin, Rupa Dey et al.Diabetic Nephropathy (DN) is a complex health condition that leads to various kidney diseases. According to the World Health Organization, over 2 million deaths have been reported due to diabetes and diabetes related kidney diseases in 2021. And at the recent 78th World Health Assembly, chronic kidney disease was reported to be one of the most common diabetes-related complications, and … …OnLine Journal of Biological Sciences, Vol. 26, Issue 2 · 19 May 2026 · 1,667 accessesView PDFCite
Research ArticleOpen accessIn the abstractExpression and Induction Optimization of Mucor Circinelloides Lipase in Escherichia ColiYueping Yang, Yao Zhang et al.Microbial lipases serve as versatile biocatalysts for modifying lipid substrates, enabling diverse biotechnological applications spanning food technology, renewable energy production, and pharmaceutical sectors. Genomic analysis of Mucor circinelloides WJ11 revealed multiple lipase-encoding genes, with WJ_23 successfully cloned and heterologously expressed in Escherichia coli. Since the lipase expression was mainly concentrated in the cell pellets, appropriate induction strategies had been investigated … …American Journal of Biochemistry and Biotechnology, Vol. 21, Issue 2 · 13 Jun 2025 · 5,982 accessesView PDFCite
Review ArticleOpen accessIn the abstractMachine Learning Integration for Precise Facial Micro-Expression RecognitionViola Bakiasi Shtino, Markela Muça, Senada BushatiThis study advances facial micro-expression recognition through innovative machine-learning techniques, addressing critical needs in psychology, security, and human-computer interaction. The purpose of this study is to improve micro-expression recognition through the optimization of feature transformation and machine learning algorithms. We introduce a novel approach combining Kernel Principal Component Analysis (KPCA) and Uniform Manifold Approximation and Projection (UMAP) for dimensionality reduction, … …Journal of Computer Science, Vol. 20, Issue 11 · 22 Oct 2024 · 5,592 accessesView PDFCite
Research ArticleOpen accessIn the abstractAdipose-Derived Canine Mesenchymal Stem Cells in PLAY® MediaArjun Kulkarni, Bhavana N. V., Teena Mary Thomas et al.In veterinary medicine, stem cell-based therapies present promise for addressing orthopedic and degenerative conditions in canines. Mesenchymal Stem Cells (MSCs) possess unique regenerative, immunomodulatory, and differentiation capabilities. However, their efficacy relies on optimal in-vitro conditions. Prolonged expansion over passages leads to a gradual loss of stem cell traits, highlighting the importance of optimized culture conditions and media supplements. This study … …American Journal of Animal and Veterinary Sciences, Vol. 19, Issue 3 · 13 Jul 2024 · 5,598 accessesView PDFCite
Research ArticleOpen accessIn the abstractIntegrated Analysis of Transcriptomic and Metabolomic Responses in Rice Resisting False SmutYanmin Yu, Haiying Liu, Hongtao Wu et al.Rice false smut, caused by Ustilaginoidea virens, is an important fungal disease that reduces both grain yield and quality. To dissect the molecular basis of resistance, we combined transcriptome sequencing and metabolite profiling in resistant and susceptible rice cultivars. Transcriptome sequencing revealed more than 8,500 genes with altered expression patterns after infection, while metabolite profiling detected over 700 significantly changed … …American Journal of Biochemistry and Biotechnology, Vol. 22, Issue 3 · 27 Aug 2026 · 1,057 accessesView PDFCite
Research ArticleOpen accessIn the abstractMorphological Changes in Brain Tissue During Experimental HypoxiaAizhan Mussayeva, Ulbossin Kozhaniyazova, Laura Koibasova et al.The extensive application of hypoxic training to enhance cerebral circulation highlights its significant role in effectively realizing the therapeutic and health-promoting benefits of this method. The discrepancy between the data on the features of cerebral circulation and cellular metabolism in brain tissues during circulatory hypoxia and significant interest in the physiological patterns of the integrative response of the body determined … …OnLine Journal of Biological Sciences, Vol. 25, Issue 4 · 20 Feb 2026 · 1,552 accessesView PDFCite
Research ArticleOpen accessIn the abstractGenetic Mutation Assessment of NPM1 Gene and Gene Expression of MDR1 in Iraqi Patients with Acute Myeloid LeukemiaAhmed Abduljabbar Suleiman, Ali Zaid Al-Saffar, Tamadher Abbas Rafaa, Hasan Abdulwahab JwadSince its discovery, mutations in NPM1 have been frequently associated with a large number of Acute Myeloid Leukemia (AML) patients. The vast majority of genetic changes were previously detected in exon 12, however little information report mutations in Nuclear Export Signal region (NES) of NPM1. Sequencing analysis included exon 2 and 3 for 75 Iraqi AML patients showed three SNPs, … …OnLine Journal of Biological Sciences, Vol. 18, Issue 1 · 11 Jan 2018 · 7,782 accessesView PDFCite