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The Application of the RNA Interference Technologies for KRAS: Current Status, Future Perspective and Associated Challenges.
Abstract KRAS is a member of the murine sarcoma virus oncogene-RAS gene family. It plays an important role in the prevention, diagnosis and treatment of tumors during tumor cell growth and angiogenesis. KRAS is the most commonly mutated oncogene in human cancers, such as the pancreatic cancers, colon cancers, and lung cancers. Detection of KRAS gene mutation is an important indicator for tracking the status of oncogenes, illuminating the developmental prognosis of various cancers, and the efficacy of radiotherapy and chemotherapy. However, the efficacy of different patients in clinical treatment is not the same. S...
Source: Current Topics in Medicinal Chemistry - August 27, 2019 Category: Chemistry Authors: Shao YT, Ma L, Zhang TH, Xu TR, Ye YC, Liu Y Tags: Curr Top Med Chem Source Type: research

Gene Therapy Leaves a Vicious Cycle
Reena Goswami1, Gayatri Subramanian2, Liliya Silayeva1, Isabelle Newkirk1, Deborah Doctor1, Karan Chawla2, Saurabh Chattopadhyay2, Dhyan Chandra3, Nageswararao Chilukuri1 and Venkaiah Betapudi1,4* 1Neuroscience Branch, Research Division, United States Army Medical Research Institute of Chemical Defense, Aberdeen, MD, United States 2Department of Medical Microbiology and Immunology, University of Toledo College of Medicine and Life Sciences, Toledo, OH, United States 3Roswell Park Comprehensive Cancer Center, Buffalo, NY, United States 4Department of Physiology and Biophysics, Case Western Reserve University, Clev...
Source: Frontiers in Oncology - April 23, 2019 Category: Cancer & Oncology Source Type: research

Potential of siRNA-albumin complex against cancer
Publication date: Available online 27 April 2018Source: Chemico-Biological InteractionsAuthor(s): Na Liu, Yan-Hua Qi, Chuan-Tao Cheng, Wen Bin Yang, Anshoo Malhotra, Qi ZhouAbstractRNA interference is a highly specific as well as efficient technology for gene therapy application in molecular oncology. The present study was planned to develop an efficient and stable tumor selective delivery mechanism for siRNA gene therapy for the purpose of both diagnosis as well as therapy. We have used 20 Male wistar rats for the formation of colon cancer model and utilized albumin as carrier molecule for the delivery of siRNA against va...
Source: Chemico Biological Interactions - July 11, 2018 Category: Biochemistry Source Type: research

Potential of siRNA-albumin complex against cancer.
Abstract RNA interference is a highly specific as well as efficient technology for gene therapy application in molecular oncology. The present study was planned to develop an efficient and stable tumor selective delivery mechanism for siRNA gene therapy for the purpose of both diagnosis as well as therapy. We have used 20 Male wistar rats for the formation of colon cancer model and utilized albumin as carrier molecule for the delivery of siRNA against vascular endothelial growth factor receptor 2 (VEGF R2). The study results confirmed efficient delivery of siRNA at tumor site as confirmed by tagging of siRNA-album...
Source: Chemico-Biological Interactions - April 27, 2018 Category: Molecular Biology Authors: Liu N, Qi YH, Cheng CT, Yang WB, Malhotra A, Zhou Q Tags: Chem Biol Interact Source Type: research

BACH1 silencing by siRNA inhibits migration of HT-29 colon cancer cells through reduction of metastasis-related genes
Conclusion Our results indicated that BACH1 down-regulation in HT29 CRC cells had no effect on cell growth but did inhibit cell migration by decreasing metastasis-related genes expression. Collectively, these results suggest that BACH1 may function as an oncogenic driver in colon cancer and may represent as a potential target of gene therapy for CRC treatment.
Source: Biomedicine and Pharmacotherapy - September 19, 2016 Category: Drugs & Pharmacology Source Type: research

BACH1 silencing by siRNA inhibits migration of HT-29 colon cancer cells through reduction of metastasis-related genes.
CONCLUSION: Our results indicated that BACH1 down-regulation in HT29 CRC cells had no effect on cell growth but did inhibit cell migration by decreasing metastasis-related genes expression. Collectively, these results suggest that BACH1 may function as an oncogenic driver in colon cancer and may represent as a potential target of gene therapy for CRC treatment. PMID: 27657827 [PubMed - as supplied by publisher]
Source: Biomedicine and pharmacotherapy = Biomedecine and pharmacotherapie - September 18, 2016 Category: Drugs & Pharmacology Authors: Davudian S, Shajari N, Kazemi T, Mansoori B, Salehi S, Mohammadi A, Shanehbandi D, Shahgoli VK, Asadi M, Baradaran B Tags: Biomed Pharmacother Source Type: research

Magnetic gold nanoparticle-mediated small interference RNA silencing Bag-1 gene for colon cancer therapy.
Authors: Huang W, Liu Z, Zhou G, Tian A, Sun N Abstract Bcl-2-associated athanogene 1 (Bag-1) is a positive regulator of Bcl-2 which is an anti-apoptotic gene. Bag-1 was very slightly expressed in normal tissues, but often highly expressed in many tumor tissues, particularly in colon cancer, which can promote metastasis, poor prognosis and anti-apoptotic function of colon cancer. We prepared and evaluated magnetic gold nanoparticle/Bag-1 siRNA recombinant plasmid complex, a gene therapy system, which can transfect cells efficiently, for both therapeutic effect and safety in vitro mainly by electrophoretic mobilit...
Source: Oncology Reports - January 16, 2016 Category: Cancer & Oncology Tags: Oncol Rep Source Type: research

Formulation of glutathione responsive anti-proliferative nanoparticles from thiolated Akt1 siRNA and disulfide-crosslinked PEI for efficient anti-cancer gene therapy
In this study, thiol-modified siRNA (SH-siRNA) was delivered by bioreducible polyethylenimine (ssPEI), to enhance physicochemical properties of polyplexes and function of siRNA through disulfide bonding between SH-siRNA and ssPEI. The ssPEI was utilized to deliver Akt1 SH-siRNA for suppression of Akt1 mRNA and blockage of Akt1 protein translation, resulting in reduced cellular proliferation and the induction of apoptosis. Disulfide bondings between the ssPEI and SH-siRNA through thiol groups in both were confirmed by DTT treatment. Complexation between ssPEI and Akt1SH-siRNA was enhanced and reduced surface charge of ssPEI...
Source: Colloids and Surfaces B: Biointerfaces - January 9, 2015 Category: Biochemistry Source Type: research