the problem and current solutions

nanotechnology for cancer therapy, 2007, p.810

nanotechnology for cancer therapy, 2007, p.810

... provided by NCL is supported by the NCI, and works in concert with the National Institute of Standards and Technology (NIST) and the U.S Food and Drug Administration (FDA) The NCL provides a valuable ... and the stroma; the latter incorporating the vasculature and other supporting cells As the tumor grows, in order to meet the metabolic requirements of an expanding population of tumor cells, the ... cancer therapeutics, there are two related and essential components which must be addressed The first issue in successful use of nanovectors is recognition of the tumor and the second is the ability...

Ngày tải lên: 04/06/2014, 14:30

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báo cáo hóa học:" Development of targeted therapy for ovarian cancer mediated by a plasmid expressing diphtheria toxin under the control of H19 regulatory sequences" doc

báo cáo hóa học:" Development of targeted therapy for ovarian cancer mediated by a plasmid expressing diphtheria toxin under the control of H19 regulatory sequences" doc

... Xba I and Nco I and the insert of the luciferase gene (luc) was replaced by the diphtheria toxin A-chain (DT-A) coding region to yield the DTA-H19 construct Large-scale preparations of the plasmids ... 2009, 7:69 The activity of the human H19 promoter cloned into the Luc-H19 plasmid and the killing effect of the DTA-H19 vector in ascites from patient #1 and in different cell lines The transcriptional ... LucSV40 and the indicated concentrations of DTA-H19 (Figure 3C) The relative reduction of the luciferase activity in the cotransfected cells reflect the level of the H19 driven DTA expression and...

Ngày tải lên: 18/06/2014, 15:20

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Báo cáo hóa học: " Development of targeted therapy for bladder cancer mediated by a double promoter plasmid expressing diphtheria toxin under the control of H19 and IGF2-P4 regulatory sequences" potx

Báo cáo hóa học: " Development of targeted therapy for bladder cancer mediated by a double promoter plasmid expressing diphtheria toxin under the control of H19 and IGF2-P4 regulatory sequences" potx

... studies of our group and others, the transcriptional regulatory sequences of the H19 and IGF2 genes emerged as candidates for cancer targeted therapy H19 and IGF2 (the human P3 and P4 promoters) ... in its 5’-end The PCR products obtained for the H19 and IGF2-P4 transcript were purified from the gel by the DNA and Gel Band Purification Kit (Amersham), and used as templates for the PCR-based ... XbaI and NcoI, and the insert of the luciferase gene (luc) was replaced by the Diphtheria toxin A chain (DTA) coding region to yield the H19-DTA construct The DTA gene was prepared from the pIBI30-DT-A...

Ngày tải lên: 18/06/2014, 16:20

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Nutraceuticals as new treatment approaches for oral cancer – i

Nutraceuticals as new treatment approaches for oral cancer – i

... results The present paper summarizes the current literature on the potential therapeutic and chemopreventive qualities of this nutraceutical in the treatment of OSCC The focus of this review is on the ... nanoparticles Further preclinical and clinical studies are required in order to establish their bioavailability and their chemopreventive and therapeutic effects on OSCC Further research is also ... consideration the essential differences between SCC of the oropharynx and SCC of the oral cavity in terms of etiopathogenesis, morbidity and mortality, and investigate each of them separately...

Ngày tải lên: 01/07/2014, 13:23

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IDENTIFICATION, KINETIC AND STRUCTURAL CHARACTERIZATION OF SMALL MOLECULE INHIBITORS OF ALDEHYDE DEHYDROGENASE 3A1 (ALDH3A1) AS AN ADJUVANT THERAPY FOR REVERSING CANCER CHEMO-RESISTANCE

IDENTIFICATION, KINETIC AND STRUCTURAL CHARACTERIZATION OF SMALL MOLECULE INHIBITORS OF ALDEHYDE DEHYDROGENASE 3A1 (ALDH3A1) AS AN ADJUVANT THERAPY FOR REVERSING CANCER CHEMO-RESISTANCE

... uncle and my aunt Khem Kandel and Laxmi Kandel: your support and friendship has been such a help during this time Lastly, to my sweetheart Kriti Acharya, your love and support provided me with the ... calculate the Z’ factor using the following formula: Z’ factor Where δp= standard deviation of the control reaction, δn= standard deviation of the inhibition reaction, µp= average of the points in the ... site cysteine (Cys243) of ALDH3A1 and inhibits it activity (Khanna et al., 2011) The assay was carried out for 15 minutes and then the rates of the control and inhibition reactions (384 points...

Ngày tải lên: 24/08/2014, 09:51

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Delivery of proapoptotic biomolecules and drugs using amphiphilic block copolymer nanoparticles for anti cancer therapy

Delivery of proapoptotic biomolecules and drugs using amphiphilic block copolymer nanoparticles for anti cancer therapy

... anti-cancer drugs and therapeutic proteins for improved cancer therapy The first part of this thesis focuses on the evaluation of these cationic nanoparticles as carriers for the delivery of therapeutic ... help improve the pharmacokinetics and biodistribution of the associated therapeutic agents [5] These systems include liposomes and other lipid-based carriers such as lipid emulsions, and lipid-drug ... acids and proteins can also be codelivered together using these vehicles 1.2 Combinational Therapy 1.2.1 Introduction to combination therapy The era of combination therapy began in mid 1950s, in the...

Ngày tải lên: 30/09/2015, 05:59

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Insights into the mechanism of safingol and its potential to synergize with anti cancer drugs

Insights into the mechanism of safingol and its potential to synergize with anti cancer drugs

... Bcl-w and A1 They have as many as four BH domains and are essential for cell survival and normal embryogenesis On the other hand, pro-apoptotic Bcl-2 members lack BH4 domain and can be further ... this thesis Several mathematical models have been developed to test the interaction of drug combinations, and the two most commonly used models are the isobolograms method (11, 12) and the median-effect ... (D)1 and (D)2 are the concentrations of drug and drug 2, respectively, that inhibit x% in the actual experiment when they are used in combination (Dx)1 and (Dx)2 are the concentrations of drug and...

Ngày tải lên: 11/09/2015, 10:02

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nanocarriers as an emerging platform for cancer therapy

nanocarriers as an emerging platform for cancer therapy

... to the nanocarrier, and a cargo (such as the desired chemotherapeutic drugs) b, Schematic diagram of the drug conjugation and entrapment processes The chemotherapeutics could be bound to the ... drugs from the surrounding environment, and the ability to entrap both hydrophilic and hydrophobic drugs Through the addition of agents to the lipid membrane or by the alteration of the surface ... of many types of chemotherapy — can be addressed by changing the dosing and scheduling of the treatment83 Other challenges facing the use of liposomes in the clinic include the high production...

Ngày tải lên: 28/05/2014, 15:07

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Nutrition and cancer: A review of the evidence for an anti-cancer diet pptx

Nutrition and cancer: A review of the evidence for an anti-cancer diet pptx

... such as lactase, in the small intestine Beneficial bacteria help strengthen the immune system right in the gut where much of the interaction between the outside world and the body goes on Beneficial ... without the lignans is not very beneficial Some brands of flax seed oil retain some of the seed particulate because of the beneficial properties of the lignans Fruits and Vegetables One of the most ... quartile (1/4 of the population) who ate the least amount of fruits and vegetables had about twice the risk of cancer compared to those who in the upper quartile who ate the most fruits and vegetables...

Ngày tải lên: 06/03/2014, 02:21

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Báo cáo khoa học: Serum autoantibodies as biomarkers for early cancer detection docx

Báo cáo khoa học: Serum autoantibodies as biomarkers for early cancer detection docx

... stable and persist in the serum for a relatively long period of time because they are generally not subjected to the types of proteolysis observed in other polypeptides The persistence and stability ... stability of the autoantibodies give them an advantage over other biomarkers, including the TAAs themselves, which are transiently secreted and may be rapidly degraded or cleared Moreover, the autoantibodies ... IgG obtained from healthy controls in the immunoaffinity column and are removed from the lysate The ‘flowthrough fraction’ of the lysate is then subjected to the 2D immunoaffinity column that contains...

Ngày tải lên: 23/03/2014, 04:20

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Báo cáo khoa học: Natural polyphenols as proteasome modulators and their role as anti-cancer compounds doc

Báo cáo khoa học: Natural polyphenols as proteasome modulators and their role as anti-cancer compounds doc

... major factors: the chemical nature of the molecule, variations in the number and distribution of the phenolic hydroxyl groups across the molecule, and their substitutions [81–83] The main subclasses ... flavonoids and their metabolites from the circulation into various cell types and whether they are further modified by cell interactions has become more and more important This is a consequence of the ... superoxide anions, due to the presence of a catechol group in the B-ring and the 2,3 double bond in conjunction with the 4-carbonyl group as well as the 3- and 5-hydroxyl groups Thus, the hydrophilic ⁄...

Ngày tải lên: 30/03/2014, 02:20

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báo cáo hóa học:" Randomized phase II study with two gemcitabine- and docetaxel-based combinations as first-line chemotherapy for metastatic non-small cell lung cancer" docx

báo cáo hóa học:" Randomized phase II study with two gemcitabine- and docetaxel-based combinations as first-line chemotherapy for metastatic non-small cell lung cancer" docx

... treatment and the study was examined and approved by the Ethics Committee of the Local Health and Social Services of each participating center, in accordance with the ethical standards laid down in the ... [1] The vast majority of NSCLC patients present with advanced, inoperable disease and are, therefore, candidates for palliative chemotherapy The role of chemotherapy as an integral part of the ... RDI was ≥ 85% in 59% and 68%, and < 50% in only 5% and 8% of arm A and B patients, respectively Gemcitabine RDI was ≥ 85% in 33% and 74%, and < 50% in 23% and 0% of arm A and B patients, respectively...

Ngày tải lên: 18/06/2014, 15:20

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Báo cáo sinh học: "Use of recombinant lentivirus pseudotyped with vesicular stomatitis virus glycoprotein G for efficient generation of human anti-cancer chimeric T cells by transduction of human peripheral blood lymphocytes in vitro" pot

Báo cáo sinh học: "Use of recombinant lentivirus pseudotyped with vesicular stomatitis virus glycoprotein G for efficient generation of human anti-cancer chimeric T cells by transduction of human peripheral blood lymphocytes in vitro" pot

... by A) the T cell activation and the co-stimulatory receptor, CD28isand B) a chimeric Simplified scheme of T cell activation by A) the T cell receptor and the co-stimulatory receptor, CD28 and B) ... of either mouse or human CD28 (etm28) are covalently attached to aid interaction between the chTCR and target and enable fluidity of the chTCR within the cell membrane The remainder of the chTCR ... technique and other contemporary methods (Lipofectamine, Invitrogen; FuGENE and X-tremeGENE, Roche) The focus was then changed to retroviral vectors for introduction of the chTCR cassette into the...

Ngày tải lên: 19/06/2014, 08:20

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báo cáo hóa học:" Use of recombinant lentivirus pseudotyped with vesicular stomatitis virus glycoprotein G for efficient generation of human anti-cancer chimeric T cells by transduction of human peripheral blood lymphocytes in vitro" docx

báo cáo hóa học:" Use of recombinant lentivirus pseudotyped with vesicular stomatitis virus glycoprotein G for efficient generation of human anti-cancer chimeric T cells by transduction of human peripheral blood lymphocytes in vitro" docx

... by A) the T cell activation and the co-stimulatory receptor, CD28isand B) a chimeric Simplified scheme of T cell activation by A) the T cell receptor and the co-stimulatory receptor, CD28 and B) ... of either mouse or human CD28 (etm28) are covalently attached to aid interaction between the chTCR and target and enable fluidity of the chTCR within the cell membrane The remainder of the chTCR ... technique and other contemporary methods (Lipofectamine, Invitrogen; FuGENE and X-tremeGENE, Roche) The focus was then changed to retroviral vectors for introduction of the chTCR cassette into the...

Ngày tải lên: 20/06/2014, 04:20

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Báo cáo hóa học: "Preparation and evaluation of novel mixed micelles as nanocarriers for intravenous delivery of propofol" potx

Báo cáo hóa học: "Preparation and evaluation of novel mixed micelles as nanocarriers for intravenous delivery of propofol" potx

... dilution they undergo in the biological environment (sometimes below the CMC) Therefore, the in vitro and in vivo stabilities of micelles depend upon CMC values of micelle-forming materials, and the ... the fact that the interaction between octadecyl and propofol was stronger than that between PLA and propofol, or the compatibility between the core of mixed micelles and propofol molecules (the ... in the micelles and reflected the propofol incorporation stability The initial burst happened within the first h, especially within the first h, was mainly attributed to the drug located in the...

Ngày tải lên: 21/06/2014, 04:20

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Báo cáo hóa học: " Self-Assembled Polymeric Micellar Nanoparticles as Nanocarriers for Poorly Soluble Anticancer Drug Ethaselen" pdf

Báo cáo hóa học: " Self-Assembled Polymeric Micellar Nanoparticles as Nanocarriers for Poorly Soluble Anticancer Drug Ethaselen" pdf

... rotary evaporator, the residue was redissolved by the addition of appropriate amount of chloroform, and vigorously stirred and precipitated in diethyl ether at °C, and then filtered The precipitated ... data) The PI of the mPEG-PLAs indicated a narrow molecular weight distribution for all polymers Altogether the results confirmed that the copolymers could be synthesized reliably The yield of the ... process and micelle preparation method and so on Therefore, the length of hydrophobic chains was not the only one factor influencing LC and EE When the factors mentioned earlier except the composition...

Ngày tải lên: 22/06/2014, 00:20

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báo cáo khoa học: "Clinical relevance of "withdrawal therapy" as a form of hormonal manipulation for breast cancer" doc

báo cáo khoa học: "Clinical relevance of "withdrawal therapy" as a form of hormonal manipulation for breast cancer" doc

... and KLC AA collected data, performed analysis, drafted, revised and finalised the manuscript KLC and JFR revised and approved of the contents of the manuscript All authors read and approved the ... further anti-estrogen therapy then it is very likely that they would not be suitable for further growth factor inhibitors or indeed chemotherapeutic agents In this circumstance, withdrawal of therapy ... therapy may be the only feasible option or alternating regime of endocrine therapy and withdrawal therapy as is being tested in the adjuvant setting in the SOLE trial Conclusions Our data therefore...

Ngày tải lên: 09/08/2014, 02:21

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Báo cáo y học: "tromal Vascular Fraction Transplantation as an Alternative Therapy for Ischemic Heart Failure: Anti-inflammatory Role" doc

Báo cáo y học: "tromal Vascular Fraction Transplantation as an Alternative Therapy for Ischemic Heart Failure: Anti-inflammatory Role" doc

... (Gus B) The reactions for TNFa, IL-6, TIMP-1, MMP-1, BNP and VEGF were analyzed in duplicates and the relative expression levels were calculated according to the standard curve method The logarithm ... in the myocardium add another dimension to understanding the anti-inflammation role of SVF and BM-MNC transplantation in cardiac dysfunction The potential anti-inflammation role of both SVF and ... cryo-embedded and the whole left ventricle was sectioned in μm thickness along the short axis They were microscopically examined with the use of fluorescence microscopy for PKH26 dye The sections...

Ngày tải lên: 10/08/2014, 09:21

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báo cáo khoa học: "Novel histone deacetylase inhibitors in clinical trials as anti-cancer agents" ppt

báo cáo khoa học: "Novel histone deacetylase inhibitors in clinical trials as anti-cancer agents" ppt

... deacetylation increases the charge density on the N-termini of the core histones, thereby strengthening histone tail-DNA interactions and blocking access of the transcriptional machinery to the DNA template ... I and II The class III of HDACs is the so-called Sirts, consisting of seven members These proteins are similar to Sirts in yeast They are different with previous groups and are Znindependent and ... colorectal(11), renal (12) Day1 and of a 21-day and other neoplasms(14) cycle Colorectal(8), breast(4), sarcoma(3) and other (15) Day1, 8, and 15 of 28day cycle CLL/AML(20) Day1, 8, and 15 of 28day cycle...

Ngày tải lên: 10/08/2014, 22:20

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