Abstract:
:Apc gene-deficient Min and Apc(1309) mice feature a hyperlipidemic state with a markedly low expression level of lipoprotein lipase (LPL) compared to their wild-type counterparts. We previously showed that induction of LPL mRNA by peroxisome proliferator-activated receptor (PPAR) alpha and gamma agonists or an LPL selective inducer suppresses both high serum lipid levels and intestinal polyp formation in these model animals. Since the general cyclooxygenase inhibitor, indomethacin, is known to suppress intestinal tumor development, but not to affect serum lipids, its influence in Min mice was here investigated. Treatment with 2.5, 5 and 10 ppm indomethacin in the diet for 14 weeks from 6 weeks of age caused significant dose-dependent reduction in serum triglycerides, along with a reduction in the numbers of intestinal polyps to 25% of the untreated control value. LPL mRNA levels in the liver were slightly increased by indomethacin treatment. We further performed oligonucleotide microarray analysis and quantitative PCR analysis and found 8 lipid metabolism-related genes, regulated by sterol regulatory element binding protein-1c, to be modulated by indomethacin-treatment in the Min mouse liver. Furthermore, TNFalpha was downregulated. These results indicate that indomethacin might suppress intestinal tumor formation together with a hyperlipidemic state by regulating LPL and other lipid metabolic factors.
journal_name
Int J Cancerjournal_title
International journal of cancerauthors
Niho N,Mutoh M,Komiya M,Ohta T,Sugimura T,Wakabayashi Kdoi
10.1002/ijc.22872subject
Has Abstractpub_date
2007-10-15 00:00:00pages
1665-9issue
8eissn
0020-7136issn
1097-0215journal_volume
121pub_type
杂志文章abstract::Cytological screening for cervical cancer is hampered by high false negative rates. Inter-observer reproducibility needs optimizing. The potential of p16(INK4a) as a biomarker for cervical lesions was examined in a study of liquid-based cytology (LBC), HPV DNA testing by MY09/MY11 consensus PCR and type-specific PCRs ...
journal_title:International journal of cancer
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abstract::Conventionally bred rats possess in their sera an NA which has a cytotoxic effect on a tumor cell line (KMT-17) derived from a fibrosarcoma induced by 3-methylcholanthrene and which can be absorbed by normal rat tissues. We have succeeded in purifying a glycosphingolipid as an antigen reactive to NA. GSLs isolated fro...
journal_title:International journal of cancer
pub_type: 杂志文章
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abstract::Effects of therapeutic and supratherapeutic concentrations of bosutinib, a dual Src/Abl tyrosine kinase inhibitor, on the corrected QT interval (QTc) in 60 healthy adults were assessed, according to ICH-E14 guidelines, in this 2-part, randomized, single-dose, double-blind, crossover, placebo- and open-label moxifloxac...
journal_title:International journal of cancer
pub_type: 临床试验,杂志文章,随机对照试验
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abstract::The question of whether squamous cell carcinomas (SCCs) arising in different sites of lung are caused by different etiological factors is of obvious importance for prevention, early detection and effective treatment. We here subclassified a large series of resected SCCs (74 cases) into 3 tumor-sites, central (main to ...
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abstract::Gallstones, a common gastrointestinal condition, can lead to several digestive complications and can result in inflammation. Risk factors for gallstones include obesity, diabetes, smoking and physical inactivity, all of which are known risk factors for colorectal cancer (CRC), as is inflammation. However, it is unclea...
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abstract::In addition to the known function in the glycolytic pathway, phosphoglycerate kinase 1 (PGK-1) promotes reduction of plasmin disulfide bonds leading to angiostatin formation and inhibition of tumor angiogenesis. In this study, the effects of PGK-1 on anti- tumor immunity against lung cancer were evaluated using the Te...
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abstract::Thermal injury resulting from drinking very hot beverages has been incriminated as a risk factor for oesophageal cancer, although no information is available on the lesions caused by this injury in human or experimental animals. The drinking of hot maté tea is very common in areas of moderately high incidence of oesop...
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journal_title:International journal of cancer
pub_type: 杂志文章
doi:
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abstract::In vitro, tumor-selective Hsp70 plasma membrane localization correlates with increased sensitivity to lysis mediated by a subpopulation of human natural killer (NK) cells that adhere to plastic following cytokine stimulation. In the present study, we analyzed the capacity of adoptively transferred human NK cells in SC...
journal_title:International journal of cancer
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abstract::The inhibitory effects of novel prodrugs, inclusion complexes of 3-(4'-geranyloxy-3'-methoxyphenyl)-2-trans propenoic acid (GOFA) and auraptene (AUR) with beta-cyclodextrin (CD), on colon carcinogenesis were investigated using an azoxymethane (AOM)/dextran sodium sulfate (DSS) model. Male CD-1 (ICR) mice initiated wit...
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abstract::Radiotherapy and chemotherapy are known risk factors for second cancers after lymphoma. The role of genetic influences, however, remains largely unknown. We assessed risk of second cancers associated with family history of any cancer in 41,181 patients with Hodgkin lymphoma (HL) (n = 7,476), non-Hodgkin lymphoma (NHL)...
journal_title:International journal of cancer
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abstract::The effects of the tumor promoter -12-O-tetradecanoyl phorbol-13-acetate, its analogues, and other tumor promoters, on the proliferation of human skin fibroblasts (SF) have been investigated. We have previously shown (Kopelovich and Bias, 1979), that TPA caused a biphasic (upward concave) dose effect in the cloning ef...
journal_title:International journal of cancer
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abstract::Marked variation in phenotypic expression among BRCA1 and BRCA2 mutation carriers may be partly explained by modifier genes that influence mutation penetrance. Variation in CAG/CAA repeat lengths coding for stretches of glutamines in the C-terminus of the AIB1 protein (amplified in breast cancer 1, a steroid receptor ...
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