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  1. Article

    Open Access

    A High-Fat Diet Increases Activation of the Glucagon-Like Peptide-1-Producing Neurons in the Nucleus Tractus Solitarii: an Effect that is Partially Reversed by Drugs Normalizing Glycemia

    Glucagon-like peptide-1 (GLP-1) is a peripheral incretin and centrally active peptide produced in the intestine and nucleus tractus solitarii (NTS), respectively. GLP-1 not only regulates metabolism but also i...

    Grazyna Lietzau, Stelia Ntika, Hiranya Pintana in Cellular and Molecular Neurobiology (2022)

  2. Article

    Open Access

    The Stroke-Induced Increase of Somatostatin-Expressing Neurons is Inhibited by Diabetes: A Potential Mechanism at the Basis of Impaired Stroke Recovery

    Type 2 diabetes (T2D) hampers recovery after stroke, but the underling mechanisms are mostly unknown. In a recently published study (Pintana et al. in Clin Sci (Lond) 133(13):1367–1386, 2019), we showed that i...

    Fausto Chiazza, Hiranya Pintana, Grazyna Lietzau in Cellular and Molecular Neurobiology (2021)

  3. Article

    Open Access

    Type 2 diabetes impairs odour detection, olfactory memory and olfactory neuroplasticity; effects partly reversed by the DPP-4 inhibitor Linagliptin

    Recent data suggest that olfactory deficits could represent an early marker and a pathogenic mechanism at the basis of cognitive decline in type 2 diabetes (T2D). However, research is needed to further charact...

    Grazyna Lietzau, William Davidsson in Acta Neuropathologica Communications (2018)

  4. No Access

    Article

    Testosterone deficiency, insulin-resistant obesity and cognitive function

    Testosterone is an androgenic steroid hormone, which plays an important role in the regulation of male reproduction and behaviors, as well as in the maintenance of insulin sensitivity. Several studies showed t...

    Hiranya Pintana, Nipon Chattipakorn, Siriporn Chattipakorn in Metabolic Brain Disease (2015)