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  1. Article

    Open Access

    Associations between plasma kynurenines and cognitive function in individuals with normal glucose metabolism, prediabetes and type 2 diabetes: the Maastricht Study

    Studies investigating associations between kynurenines and cognitive function have generally been small, restricted to clinical samples or have found inconsistent results, and associations in the general adult...

    Lieke Bakker, Inez H. G. B. Ramakers, Martin P. J. van Boxtel in Diabetologia (2021)

  2. Article

    Open Access

    The kynurenine:tryptophan ratio as a predictor of incident type 2 diabetes mellitus in individuals with coronary artery disease

    The tryptophan metabolite kynurenine has potent immune modulatory and vasoactive properties. Experimental data implicate kynurenine in obesity-related morbidities. Epidemiological studies are, however, sparse....

    Eirik W. Rebnord, Elin Strand, Øivind Midttun, Gard F.T. Svingen in Diabetologia (2017)

  3. Article

    Open Access

    Tryptophan catabolism and immune activation in primary and chronic HIV infection

    Kynurenine/Tryptophan ratio (KTR) is increased in HIV infection, and linked to immune activation. We hypothesized that early cART initiation results in lower KTR compared to late initiation. Furthermore, we hy...

    Marco Gelpi, Hans J. Hartling, Per M. Ueland, Henrik Ullum in BMC Infectious Diseases (2017)

  4. No Access

    Chapter

    The Hordaland Homocysteine Study: Lifestyle and Total Plasma Homocysteine in Western Norway

    The Hordaland Homocysteine Study is a cohort of approximately 18,000 men and women, ages 40–67, who had their total plasma homocysteine (tHcy) determined in 1992 or 1993. The long-term aim of the study is to r...

    Stein E. Vollset, Ottar Nygård, Gunnar Kvåle in Homocysteine Metabolism: From Basic Scienc… (1997)

  5. No Access

    Chapter

    On the Formation and Fate of Total Plasma Homocysteine

    The total concentration of homocysteine (tHcy)* in plasma is a useful marker of impaired function of cobalamin and folate. Moreover, it is an independent risk factor for atherosclerotic disease [1]. These find...

    Helga Refsum, Anne B. Guttormsen in Homocysteine Metabolism: From Basic Scienc… (1997)

  6. No Access

    Chapter

    Homocysteine and Drug Therapy

    Several agents other than vitamins involved in homocysteine (Hcy) metabolism affect plasma homocysteine (tHcy) total concentration. The mechanisms behind the hyperhomocysteinemia vary from altered homocysteine...

    Per M. Ueland, Torunn Fiskerstrand in Homocysteine Metabolism: From Basic Scienc… (1997)