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Tumor-promoted constraints negatively affect cytotoxic T lymphocyte (CTL) trafficking to the tumor core and, as a result, inhibit tumor killing. The production of reactive nitrogen species (RNS) within the tumor microenvironment has been reported in mouse and human cancers. We describe a novel RNS-dependent posttranslational modification of chemokines that(More)
Uncertainty regarding the benefits of vertebroplasty (VP) for the treatment of acute osteoporotic vertebral fractures has recently arisen. A prospective, controlled, randomized single-center trial (ClinicalTrials.gov registration number NCT00994032) was designed to compare the effects of VP versus conservative treatment on the quality of life and pain in(More)
BACKGROUND Since primary biliary cirrhosis (PBC) is usually diagnosed in postmenopausal women with minor cholestasis, it has been questioned whether PBC itself represents a further risk for osteoporosis. AIM To assess the prevalence and risk factors for osteoporosis in an unselected series of women with PBC. PATIENTS AND METHODS 142 women with PBC (age:(More)
The aim of this study was to investigate the usefulness of biochemical markers of bone turnover for monitoring treatment efficacy of Paget's disease of bone, and also to evaluate the utility of biological variation data in choosing the best markers for assessment of biochemical response to therapy. Thirty-eight patients with Paget's disease were included in(More)
The objective of this study was to evaluate the effect of surgical menopause and hormone replacement therapy (HRT) on the new biochemical markers of bone turnover. Fourteen women who had undergone surgical menopause and began HRT 3 months after surgery were recruited for a 1-year study. Results were compared with a control group of 31 healthy premenopausal(More)
The aim of this study was to analyse the effect of glucocorticoid therapy (GCCT) on Wnt signalling antagonists (sclerostin and Dkk-1) and their relationship with bone turnover. 25 patients (8 M/17 F, aged 48±19yrs) recently initiating GCCT (≥7.5mg/day, ≤6months) were prospectively included. Bone turnover markers (bone formation: P1NP, osteocalcin [OC], bone(More)
OBJECTIVE To evaluate the relationship between biochemical markers of bone turnover and bone scan indices of disease activity, as well as to analyze their variations based on skeletal involvement, in Paget's disease. METHODS Serum samples were obtained from 51 patients with Paget's disease to determine the levels of total alkaline phosphatase (total AP),(More)
Atraumatic bone fractures are a frequent complication in orthotopic liver transplantation (OLT). A retrospective study of 91 adult OLT patients was carried out to detect the prevalence of bone fractures, and to isolate predictive factors for their development. After OLT 22 patients (24%) developed 56 atraumatic bone fractures. All fractures occurred within(More)
The aims of this study were to evaluate the components of biological variation of the new markers of bone turnover in patients with Paget's bone disease and to compare the results with data obtained in healthy subjects. Fifteen patients with Paget's disease in a stable period of the disease and 12 healthy premenopausal women were included for a 1 year(More)
OBJECTIVES To monitor the long-term evolution of Paget's disease activity after treatment with tiludronate by using serum total alkaline phosphatase (TAP) and more sensitive markers such as bone alkaline phosphatase (BAP), procollagen type I N propeptide (PINP) and urinary N-terminal cross-linking telopeptide of type I collagen (NTX); to analyse the(More)