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  • CANCER  (1)
  • CIRRHOSIS  (1)
  • GFAP  (1)
  • GS  (1)
  • 1
    Abstract: BACKGROUND: Hepatocellular carcinoma (HCC), the most prevalent form of liver cancer, is difficult to diagnose and has limited treatment options with a low survival rate. Aside from a few key risk factors, such as hepatitis, high alcohol consumption, smoking, obesity, and diabetes, there is incomplete etiologic understanding of the disease and little progress in identification of early risk biomarkers. METHODS: To address these aspects, an untargeted nuclear magnetic resonance metabolomic approach was applied to pre-diagnostic serum samples obtained from first incident, primary HCC cases (n = 114) and matched controls (n = 222) identified from amongst the participants of a large European prospective cohort. RESULTS: A metabolic pattern associated with HCC risk comprised of perturbations in fatty acid oxidation and amino acid, lipid, and carbohydrate metabolism was observed. Sixteen metabolites of either endogenous or exogenous origin were found to be significantly associated with HCC risk. The influence of hepatitis infection and potential liver damage was assessed, and further analyses were made to distinguish patterns of early or later diagnosis. CONCLUSION: Our results show clear metabolic alterations from early stages of HCC development with application for better etiologic understanding, prevention, and early detection of this increasingly common cancer.
    Type of Publication: Journal article published
    PubMed ID: 26399231
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  • 2
    ISSN: 1573-6903
    Keywords: T3 ; astrocytes ; plasticity ; GFAP ; GS ; mRNA
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Normal development of the brain requires the presence of thyroid hormones. To progress in the understanding of the contribution of astrocytes to brain pathophysiology we investigated the effect of T3, on the astroglial plasticity through the expression of two astroglial proteins: the Glial fibrillary acidic protein (GFAP) and the glutamine synthetase (GS). Western and northern blots were performed using astroglial primary cultures initiated from neocortex and cerebellum of newborn mice. Treatment with T3 caused a decrease of GFAP and of its encoding message level in both areas, suggesting a transcriptional regulation of its expression, whereas it had no apparent effect on GS expression. This reduction in GFAP expression was developmentally regulated: it was significant in proliferating but not in more mature astrocytes. T3 effect on astrocytes was higher in the cerebellum compared to the neocortex, suggesting the presence of astroglial subpopulations differing by their sensitivity to T3. The astroglial specific response to T3, corresponds to a precise, targetted and regulated adaptation of the cell. Factors of the microenvironment may modulate this specific astroglial response in vivo.
    Type of Medium: Electronic Resource
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