Publications by authors named "Andrea Sanchez-Pareja"

Aim: To investigate the protein expression of phosphatase and tensin homolog (PTEN) in human liver biopsies of patients with alcoholic and non-alcoholic liver disease.

Methods: PTEN protein expression was assessed by immunohistochemistry in formalin-fixed, paraffin-embedded liver sections of patients with non-alcoholic fatty liver disease (NAFLD) (n = 44) or alcoholic liver disease (ALD) (n = 25). Liver resections obtained from 3 healthy subjects candidate for partial liver donation served as controls.

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Denosumab has shown promising results in the management of giant cell tumor of bone, a primary bone tumor with locally aggressive behaviour. We report a case of premature denosumab interruption due to radiological and clinical tumor expansion of a giant cell tumor of the distal ulna. Although denosumab is known to induce tumor regression, with progressive ossification and loss of the characteristic morphology of giant cell tumor of bone, the ulnar tumor specimen showed a moderately to highly cellular proliferation of short spindle-shaped cells, and no osteoclast-like giant cells.

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Unlabelled: Hepatitis C virus (HCV) perturbs the host's lipid metabolism and often results in hepatic steatosis. In nonalcoholic fatty liver disease, the intrahepatic down-regulation of phosphatase and tensin homolog deleted on chromosome 10 (PTEN) is a critical mechanism leading to steatosis and its progression toward fibrosis and hepatocellular carcinoma. However, whether an HCV infection triggers the formation of large lipid droplets through PTEN-dependent mechanisms is unknown.

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