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Träfflista för sökning "AMNE:(MEDICAL AND HEALTH SCIENCES Clinical Medicine Cancer and Oncology) srt2:(2005-2009);lar1:(slu)"

Sökning: AMNE:(MEDICAL AND HEALTH SCIENCES Clinical Medicine Cancer and Oncology) > (2005-2009) > Sveriges Lantbruksuniversitet

  • Resultat 1-3 av 3
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1.
  • Landberg, Rikard, et al. (författare)
  • Reproducibility of plasma alkylresorcinols during a 6-week rye intervention study in men with prostate cancer
  • 2009
  • Ingår i: Journal of Nutrition. - : Elsevier BV. - 0022-3166 .- 1541-6100. ; 139:5, s. 975-980
  • Tidskriftsartikel (refereegranskat)abstract
    • Alkylresorcinols (AR), phenolic lipids exclusively present in the outer parts of wheat and rye grains, have been proposed as concentration biomarkers of whole-grain wheat and rye intake. A key feature of a good biomarker is high reproducibility, which indicates how accurately a single sample reflects the true mean biomarker concentration caused by a certain intake. In this study, the short- to medium-term reproducibility of plasma AR was determined using samples from a crossover intervention study, where men with prostate cancer (n = 17) were fed rye whole-grain/bran or refined wheat products for 6-wk periods. AR homologs C17:0 and C21:0 differed between the treatments (P < 0.001). The reproducibility determined by the intraclass correlation coefficient (ICC) was high (intervention period 1: ICC = 0.90 [95% CI = 0.82-0.98], intervention period 2: ICC = 0.88 [95% CI = 0.78-0.98]). The results show that a single fasting plasma sample could be used to estimate the mean plasma AR concentration during a 6-wk intervention period with constant intake at a precision of +/- 20% (80% CI). This suggests that the plasma AR concentration can be used as a reliable short- to medium-term biomarker for whole-grain wheat and rye under intervention conditions where intake is kept constant.
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2.
  • Rivera, Patricio, et al. (författare)
  • Mammary tumor development in dogs is associated with BRCA1 and BRCA2
  • 2009
  • Ingår i: Cancer Research. - 0008-5472 .- 1538-7445. ; 69:22, s. 8770-8774
  • Tidskriftsartikel (refereegranskat)abstract
    • Breast cancer is a major contributor to overall morbidity and mortality in women. Several genes predisposing to breast cancer have been identified, but the majority of risk factors remain unknown. Even less is known about the inherited risk factors underlying canine mammary tumors (CMT). Clear breed predispositions exist, with 36% of English springer spaniels (ESS) in Sweden being affected. Here, we evaluate 10 human breast cancer genes (BRCA1, BRCA2, CHEK2, ERBB2, FGFR2, LSP1, MAP3K1, RCAS1, TOX3, and TP53) for association with CMTs. Sixty-three single-nucleotide polymorphisms (SNPs; four to nine SNPs per gene) were genotyped by iPLEX in female ESS dogs, 212 CMT cases and 143 controls. Two genes, BRCA1 and BRCA2, were significantly associated with CMT (Bonferroni corrected P = 0.005 and P = 0.0001, respectively). Borderline association was seen for FGFR2. Benign and malignant cases were also analyzed separately. Those findings supported the association to BRCA1 and BRCA2 but with a stronger association to BRCA1 in malignant cases. Both BRCA1 and BRCA2 showed odds ratios of approximately 4. In conclusion, this study indicates that BRCA1 and BRCA2 contribute to the risk of CMT in ESS, suggesting that dogs may serve as a good model for human breast cancer.
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3.
  • Engström, Wilhelm (författare)
  • Expression of JNK-interacting Protein JIP-1 and Insulin-like Growth Factor II in Wilms Tumour Cell Lines and Primary Wilms Tumours
  • 2009
  • Ingår i: Anticancer Research. - 0250-7005 .- 1791-7530. ; 29, s. 2467-2472
  • Tidskriftsartikel (refereegranskat)abstract
    • JNK-interacting protein 1 (JIP-1) is an important scaffolding protein in the JNK signalling pathway. It is also believed to play a role in the mediation of mitogenic messages from the plasma membrane to the cell interior. Previous studies suggest that the JIP-gene is co-regulated with the insulin-like growth factor II (IGF II) gene, thereby contributing to the growth stimulatory effects of this potent growth factor. The striking coexpression of these two genes was found in murine fetuses as well as in primary human embryonic tumours. When six primary Wilms tumours were examined, the two genes showed a high degree of co-variation in the sense that high expression of IGF II was followed by high expression of JIP-1 and vice versa. However, when the human Wilms tumour cell line WCCS-1 was examined, a very modest intrinsic expression of IGF 11 was accompanied by a moderate expression of JIP-1. When exogenous IGF H was added, which has previously been shown to induce apoptosis in this cell line, the JIP-1 expression increased. These data suggest that JIP-1 has a more complex role in the regulation of proliferation as well as programmed cell death.
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  • Resultat 1-3 av 3

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