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Stranica 1 iz 552 rezultatima
Sulfo-quinovosyl-acyl-glycerol (SQAG), a eukaryotic DNA polymerase inhibitor and anti-cancer agent.
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It was found that a class of sulfolipids known as sulfo-quinovosyl-acyl-glycerols (SQAGs) from ferns and algae are potent inhibitors of eukaryotic DNA polymerase alpha and beta and effective anti-neoplastic agents. In developing a procedure for the chemical synthesis of sulfolipids, many derivatives
Action on various experimental tumour-host systems of methyoxy-substituted glycerol ethers incorporated into the feed.
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The effect of the growth and spread of tumours by methoxy-substituted glycerol ethers incorporated into the feed has been tested on a broad spectrum of tumour-host systems. Inhibitory effects on tumour growth were noted mainly by 1-0-(2-methoxy-hexadecyl) glycerol and on Melanoma B 16, Lewis Lung
Prospects for glycerol-rescued hypoglycemia as a cancer therapy.
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Most neoplasms are dependent on glucose as their primary fuel, and their ambient glucose levels tend to be rather low owing to wasteful aerobic glycolysis and poor perfusion. Previous attempts to starve tumors by inducing hypoglycemia have foundered on the fact that the CNS and other tissues have
Glycerol enhances CDDP-induced growth inhibition of thyroid anaplastic carcinoma tumor carrying mutated p53 gene.
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To increase the chemo-sensitivity of anaplastic thyroid carcinoma, we examined the effects of glycerol on the tumor growth after CDDP treatment. The cultured cells of an anaplastic thyroid carcinoma cell line (8305c) carrying a mutated p53 gene (mp53) were transplanted into the thighs of nude mice.
Enhanced uptake of glycerol by butyrate treatment in HCT-15 human colon cancer cell line.
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The HCT-15 human colon cancer cell line has a Na(+)-dependent carrier-mediated transport system for the uptake of glycerol. A similar transport system has been suggested to be present also in the small intestine and is of interest with regard to its role in the absorption of glycerol and possibly
Differentiation-promoting effect of 1-O (2 methoxy) hexadecyl glycerol in human colon cancer cells.
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Alkylglycerols are naturally occurring bioactive ether lipids found in great abundance in the livers of many marine species. In this study, we evaluated the differentiation-promoting potential of a methoxy substituted alkylglycerol--1-O (2 methoxy) hexadecyl glycerol (MHG)--to promote a more benign
Penetration and intracellular uptake of poly(glycerol-adipate) nanoparticles into three-dimensional brain tumour cell culture models.
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Nanoparticle (NP) drug delivery systems may potentially enhance the efficacy of therapeutic agents. It is difficult to characterize many important properties of NPs in vivo and therefore attempts have been made to use realistic in vitro multicellular spheroids instead. In this paper, we have
Inhibitory effect of 1-O (2 methoxy) hexadecyl glycerol and phenylbutyrate on the malignant properties of human prostate cancer cells.
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The ability of the naturally occurring ether lipid, 1-O (2 methoxy) hexadecyl glycerol (MHG), and phenylbutyrate (BP) to inhibit cellular proliferation, anchorage-independent growth and cellular invasion in the human prostate cancer LnCap and DU145 cells was determined. Both MHG and PB inhibited the
A poly(ε-caprolactone)-poly(glycerol)-poly(ε-caprolactone) triblock copolymer for designing a polymeric micelle as a tumor targeted magnetic resonance imaging contrast agent.
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Gadolinium-based macromolecular contrast agents (CAs) with favorable biocompatibility, targeting specificity, and high relaxivity properties are desired for magnetic resonance imaging (MRI) of tumors. Herein, a novel triblock polymeric micelle based on poly(glycerol) (PG) and poly(ε-caprolactone)
Feasibility study of intraarterial vs intravenous cisplatin, BCNU, and teniposide combined with systemic cisplatin, teniposide, cytosine arabinoside, glycerol and mannitol in the treatment of primary and metastatic brain tumors.
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Sixteen patients with intracerebral tumors received intraarterial cisplatin, teniposide, and BCNU combined with intravenous cisplatin, teniposide, and cytosine arabinoside. Oral glycerol and intravenous mannitol were given along with the intravenous chemotherapy in an attempt to increase drug
Effects of tumor bearing and removal on blood levels of lipids, lipolytic activity, and glycerol and on carcass weight in the rat.
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In this animal model we investigated the effects of sarcoma bearing and complete or incomplete tumor excision on blood levels of lipids, lipolytic activity, and glycerol and on carcass weight. We also sought causes that could account for the apparent increase in lipid mobilization. Tumor-bearing
On the biochemical mechanism of tumorigenesis in mouse skin. VII. The effects of tumor promoters on 3H-choline and 3H-glycerol incorporation into mouse epidermal phosphatidylcholine in relation to their effects on 3H-thymidine incorporation into DNA.
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The kinetics of the stimulation of phospholipid and DNA biosynthesis in mouse epidermis after treatment with various tumor promoting agents has been investigated. 3H-choline and 3H-glycerol were used as precursors for phosphatidylcholine. An early stimulation of 3H-choline incorporation into
Preparation of linear poly(glycerol) as a T1 contrast agent for tumor-targeted magnetic resonance imaging.
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Macromolecular contrast agents (CAs) labeled with targeting molecules are gaining remarkable interest as promising materials overcoming the defects of small-molecule CAs. Designed on the basis of biocompatible poly(glycerol) (PG), a linear macromolecular contrast agent (CA) was synthesized with a
Synthesis and evaluation of the antiproliferative effects of 1-O-hexadecyl-2-O-methyl-3-O-(2'-acetamido-2'-deoxy-beta-D- glucopyranosyl)-sn-glycerol and 1-O-hexadecyl-2-O-methyl-3-0- (2'-amino-2'-deoxy-beta-D-glucopyranosyl)-sn-glycerol on epithelial cancer cell growth.
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Two ether glucosyl diglyceride analogs were synthesized, and their antiproliferative activity against four epithelial cancer cell lines was evaluated. 1-O-Hexadecyl-2-O-methyl-3-O-(2'-acetamido-2'-deoxy-beta-D- glucopyranosyl)-sn-glycerol (4) was synthesized by reaction of
Hypoglycemia with glycerol salvage: a role in anti-neoplastic therapy?
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Most tumors are obligate glucose consumers and severe glucose depletion has anti-neoplastic effects. However, an alternate energy source is necessary to support the host. Since glycerol is utilized by all hypoglycemic sensitive normal tissues but not tumors, glycerol may be an ideal alternate energy
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