Gene therapy
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The clinical outcome of Philadelphia chromosome-negative B cell acute lymphoblastic leukemia (Phneg B-ALL) varies considerably from one person to another after clinical treatment due to lack of targeted therapies and leukemia’s heterogeneity.
16p vielonmusk 21-01-2022 9 0 Download
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The ESR1 gene encodes Estrogen Receptor alpha (ERα), which plays a role in the tumourigenesis of breast cancer. A single nucleotide polymorphism (SNP) in intron 1 of this gene called ESR1 PvuII (rs2234693) has been reported to increase the risk of breast cancer. This study aimed to investigate the ESR1 PvuII polymorphism as a prognostic and predictive factor guiding the choice of therapy for advanced breast cancer.
7p vielonmusk 21-01-2022 18 0 Download
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The aim of this study was to analyze the level of CD33 expression in patients with newly diagnosed AML and determine its correlation with clinical characteristics. Methods: Samples were collected for analysis from AML patients at diagnosis. We evaluated the level of CD33 expression by flow cytometry analysis of bone marrow.
7p vielonmusk 21-01-2022 14 1 Download
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The mixed-lineage leukemia (MLL) gene is located on chromosome 11q23. The MLL gene can be rear‑ ranged to generate partial tandem duplications (MLL-PTD), which occurs in about 5-10% of acute myeloid leukemia (AML) with a normal karyotype and in 5-6% of myelodysplastic syndrome (MDS) patients. Allogeneic hematopoietic stem cell transplantation (allo-HSCT) is currently one of the curative therapies available for AML and MDS with excess blasts (MDS-EB).
11p vielonmusk 21-01-2022 10 0 Download
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Immune checkpoint inhibitors (ICIs) are currently one of the most promising therapy options in the field of oncology. Although the first pivotal ICI trial results were published in 2011, few biomarkers exist to predict their therapy outcome. PD-L1 expression and tumor mutational burden (TMB) were proven to be sometimes-unre‑ liable biomarkers.
13p vielonmusk 21-01-2022 12 1 Download
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Understanding of the functions of microRNAs in breast cancer and breast cancer stem cells have been a hope for the development of new molecular targeted therapies. Here, it is aimed to investigate the differences in the expression levels of let-7a, miR10b, miR-21, miR-125b, miR-145, miR-155, miR-200c, miR-221, miR-222 and miR-335, which associated with gene and proteins in MCF-7 (parental) and MCF-7s (Mammosphere/stem cell-enriched population/CD44+/CD24-cells) cells treated with paclitaxel. MCF7s were obtained from parental MCF-7 cells.
12p thiencuuchu 27-11-2021 13 1 Download
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Among the other 12 inpatient MRSA isolates which had the pvl gene, nine were sensitive to most of the non- beta lactam antibiotics, whereas remaining three were resistant to most of the antibiotics except vancomycin and linezolid. The presence of pvl gene can no longer be used to discriminate between CA-MRSA and HA-MRSA.
5p kequaidan7 01-09-2020 12 2 Download
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Mucopolysaccharidosis type I (MPS I) results from a deficiency in the enzyme a-L-iduronidase (IDUA), and is characterized by skeletal abnormalities, hepatosplenomegaly and neurological dysfunction. In this study, we used a late generation lentiviral vector to evaluate the utility of this vector system for the transfer and expression of the human IDUA cDNA in MPS I fibroblasts. We observed that the level of enzyme expression in transduced cells was 1.5-fold the level found in normal cells; the expression persisted for at least two months....
8p system191 01-06-2013 30 4 Download
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Imidazolium trans-imidazoledimethyl sulfoxide-tetrachlo-roruthenate (NAMI-A) is a novel ruthenium-containing experimental antimetastatic agent. Compelling evidence ascribes apivotal role toendothelial cells in theorchestration of tumor angiogenesis and metastatic growth, suggesting antiangiogenic therapy as an attractive approach for anticancer treatment.
10p tumor12 22-04-2013 42 2 Download
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The multisubstrate deoxyribonucleoside kinase ofDroso-phila melanogaster (Dm-dNK) is sequence-related to three human deoxyribonucleoside kinases and to herpes simplex virus type-1 thymidine kinase. Dm-dNK phos-phorylates both purine and pyrimidine deoxyribonucleo-sides and nucleoside analogues although it has a preference for pyrimidine nucleosides. We performed site-directed mutagenesis on residues that, based on structural data, are involved in substrate recognition.
6p fptmusic 16-04-2013 35 2 Download
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The spontaneous acquisition of resistance to a variety of unrelated cytotoxic compounds has important implications in medical treatment of infectious diseases and anticancer therapy. In the yeast Saccharomyces cerevisiaethis pheno-menon is caused by overexpression of membrane efflux pumps and is called pleiotropic drug resistance. We have found that allelic forms of the genes for the transcription activators Pdr1p and Pdr3p, designated PDR1-12and PDR3-33,respectively, mediate resistance to diazaborine....
8p dell39 03-04-2013 38 3 Download
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Anti-poxvirus therapies are currently limited to cidofovir [(S)-1-(3-hydroxy-2-phosphonylmethoxypropyl)cytosine], but drug-resistant strains have already been characterized. In the aim of finding a new target, the thymidy-late (TMP) kinase from vaccinia virus, the prototype of Orthopoxvirus, has been overexpressed inEscherichia coliafter cloning the gene (A48R).
12p dell39 27-03-2013 37 3 Download
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Histone deacetylases are major regulators of eukaryotic gene expression. Not unexpectedly, histone deacetylases are among the most promising tar-gets in cancer therapy. However, despite huge efforts in histone deacetylase inhibitor design, very little is known about the impact of histone deacety-lase inhibitors on enzyme stability.
11p galaxyss3 19-03-2013 50 3 Download
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The Drosophila melanogaster multisubstrate deoxyribonucleoside kinase (dNK; EC 2.7.1.145) has a high turnover rate and a wide substrate range that makes it a very good candidate for gene therapy. This concept is based on introducing a suicide gene into malignant cells in order to activate a prodrug that eventually may kill the cell.
10p media19 06-03-2013 35 4 Download
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Regulated gene expression may substantially enhance gene therapy. Corre-lated with structural differences between insect ecdysteroids and mamma-lian steroids, the ecdysteroids appear to have a benign pharmacology without adversely interfering with mammalian signaling systems. Conse-quently, the ecdysone receptor-based gene switches are attractive for appli-cation in medicine.
21p media19 04-03-2013 35 4 Download
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d-Amino acid oxidase (DAAO) has recently become of interest as a biocat-alyst for industrial applications and for therapeutic treatments. It has been used in gene-directed enzyme prodrug therapies, in which its production of H2O2 in tumor cells can be regulated by administration of substrate. This approach is limited by the locally low O2 concentration and the high Km for this substrate.
12p vinaphone15 25-02-2013 29 2 Download
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Gene therapy offers many conceptual advantages to treat muscle diseases, especially various forms of muscular dystrophies. Many of these diseases are caused by a single gene mutation. While the traditional approaches may ameliorate some symptoms, the ultimate cure will depend on molecular correction of the genetic defect. The clinical feasibility of gene therapy has been recently demonstrated in treatment of a type of inherited blindness. By delivering a therapeutic gene to the retina, investigators were able to partially recover the vision in a disease once thought incurable.
397p maket1311 16-10-2012 63 4 Download
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Tuyển tập báo cáo các nghiên cứu khoa học quốc tế ngành hóa học dành cho các bạn yêu hóa học tham khảo đề tài: Anti-viral state segregates two molecular phenotypes of pancreatic adenocarcinoma: potential relevance for adenoviral gene therapy
11p dauphong4 03-01-2012 48 4 Download
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Correction: The state of the art of adenoassociated virus-based vectors in gene therapy
1p dauphong4 24-12-2011 47 2 Download
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Liver fibrosis ranks as the second cause of death in México's productive-age population. This pathology is characterized by acummulation of fibrillar proteins in hepatic parenchyma causing synthetic and metabolic disfunction. Remotion of excessive fibrous proteins might result in benefit for subjects increasing survival index. The goal of this work was to find whether the already known therapeutical effect of human urokinase Plasminogen Activator and human Matrix Metalloprotease 8 extends survival index in cirrhotic animals.
9p toshiba23 18-11-2011 48 3 Download