Elvira Solenghi

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Proton pump inhibitors (PPIs) have been shown to be effective in preventing gastric and duodenal ulcers in high-risk patients taking nonsteroidal anti-inflammatory drugs (NSAIDs); by contrast, scarce information is available concerning the effects of PPIs on intestinal damage induced by NSAIDs in humans or in experimental animals. We examined the effects of(More)
Human herpesvirus (HHV)-7 is a ubiquitous virus that infects >90% of adults. We show that HHV-7 impairs beta2-microglobulin and human leukocyte antigen (HLA) class I and II expression in lymphoid cells in vitro. Accordingly, infected cells were more sensitive to peripheral blood natural cytotoxic activity than were uninfected cells. Analysis of(More)
Malignant transformation of breast epithelia is frequently associated with an altered expression of MHC products and of antigen processing molecular machinery. The consequent impairment of tumor immune recognition is thought to confer to tumor cells a selective advantage with respect to survival and metastatization. In order to understand if metastatic(More)
The influence of peripheral nociceptin/orphanin FQ (N/OFQ) on cold restraint-induced gastric mucosal damage in the rat was investigated. Exposure to cold-restraint for 3 and 4h caused the formation of hemorrhagic lesions in the glandular portion of the stomach. N/OFQ dose-dependently decreased lesion formation, in the range 0.03-1 microg/kg/h i.p. Its(More)
The 17-amino acid peptide nociceptin/orphanin FQ (N/OFQ) plays a role in the regulation of stress responses and of emotional disorders. The objective of this study is to evaluate whether long-term peripheral N/OFQ could dose- and time-dependently influence the responses to repeated cold-restraint stress on the rat gastric and colonic mucosa. Rats were(More)
It is now widely recognized that nonsteroidal anti-inflammatory drugs (NSAIDs) may cause extensive damage to the intestine. The pathogenesis of NSAID-induced intestinal injury, however, is still controversial and both local irritant actions and cyclooxygenase (COX) inhibition have been proposed as underlying mechanisms. In this study we investigated further(More)
The effect of a chronic (4 weeks) administration of sulphurous thermal water on gastric acid secretion and mucosal defense was investigated in rats. Animals were randomized to receive daily intake of tap water or of thermal water obtained from a local spa center (Tabiano, Parma, Italy). Rats were followed for one month as for water and food consumption,(More)
The participation of hypothalamus-pituitary-adrenal axis in the gastroprotective effects of nociceptin/orphanin FQ (N/OFQ) has been investigated. Gastric mucosal lesions were induced by intragastric administration of 50% ethanol, 1 ml/rat. Rats received N/OFQ either by the intracerebroventricular (icv) route, at 3 microg/rat, or by the intraperitoneal (ip)(More)
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