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排序方式: 共有115条查询结果,搜索用时 15 毫秒
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Premorbid academic and social functioning in patients with schizophrenia and its associations with negative symptoms and cognition 下载免费PDF全文
P. Bucci S. Galderisi A. Mucci A. Rossi P. Rocca A. Bertolino E. Aguglia M. Amore I. Andriola A. Bellomo M. Biondi A. Cuomo L. dell'Osso A. Favaro F. Gambi G. M. Giordano P. Girardi C. Marchesi P. Monteleone C. Montemagni C. Niolu L. Oldani F. Pacitti F. Pinna R. Roncone A. Vita P. Zeppegno M. Maj Italian Network for Research on Psychoses 《Acta psychiatrica Scandinavica》2018,138(3):253-266
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A needle guide was used to create a fistula from an obstructed common bile duct to the duodenum in a patient with a large tumor of the head of the pancreas. The tortuosity and severity of the stricture prevented the use of routine guide wire passage. A 5-F hyperalimentation catheter was also placed, in addition to the biliary drainage stent. 相似文献
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Severe sepsis is a major challenge for clinicians caring for acutely ill patients. For many years, several biomarkers have
been tested and proposed to improve the ability not only to diagnose but also to anticipate clinical response to antibiotics.
Despite the availability of many sophisticated and novel biomarkers, current evidence demonstrates that C-reactive protein
(CRP), a well-known and relatively inexpensive biomarker, is useful in the clinical setting. The sequential evaluation of
plasma CRP concentrations in patients with severe sepsis and the interpretation of its patterns may allow assessments of individual
prognosis and response to treatment. 相似文献
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Polyglutamine tract expansion of the androgen receptor in a motoneuronal model of spinal and bulbar muscular atrophy. 总被引:4,自引:0,他引:4
F Piccioni S Simeoni I Andriola E Armatura S Bassanini P Pozzi A Poletti 《Brain research bulletin》2001,56(3-4):215-220
Spinobulbar muscular atrophy (SBMA) is a late-onset disorder characterized by progressive muscle loss, degeneration of motoneurons in the spinal cord and brainstem, and partial androgen insensitivity. SBMA is directly correlated with the expansion of CAG repeats encoding a polyglutamine tract (polyQ) of extended length. The identification of polyQ expansion in SBMA led to the discovery of an entire class of neurodegenerative disorders. In fact, at least eight different diseases, including Huntington's disease, share a common molecular mechanism involving an expansion of a polyQ tract within different proteins. The elongated polyQ tract causes a toxic gain of function in the mutant protein and is associated with the formation of intracellular aggregates, whose pathogenetic role has not been fully established yet. Our observations in a motoneuron cell line (NSC34), indicate that the expression of the androgen receptor (AR) carrying the elongated polyQ tract (AR-Q48) has a toxic effect in aggregate-independent manner. In fact, in basal condition, AR-Q48 shows a cytoplasmic diffuse distribution, yet it reduces the viability of transfected NSC34. In contrast, testosterone treatment, while inducing aggregation of the mutant AR, also increases cell viability. Aggregates in NSC34 are localized mainly in the perinuclear region and occasionally in the neuropil, whereas no nuclear aggregate has ever been found. Further observations of the minor subset of cells showing neuropil aggregates, reveal an alteration of the neurite morphology, suggesting a different role of the two types of cytoplasmic aggregates. 相似文献
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Antonio Rampino Silvia Torretta Barbara Gelao Federica Veneziani Matteo Iacoviello Aleksandra Marakhovskaya Rita Masellis Ileana Andriola Leonardo Sportelli Giulio Pergola Alessandra Minelli Chiara Magri Massimo Gennarelli Antonio Vita Jean Martin Beaulieu Alessandro Bertolino Giuseppe Blasi 《European psychiatry》2021,64(1)
BackgroundGenome-Wide Association Studies (GWASs) have identified several genes associated with Schizophrenia (SCZ) and exponentially increased knowledge on the genetic basis of the disease. In addition, products of GWAS genes interact with neuronal factors coded by genes lacking association, such that this interaction may confer risk for specific phenotypes of this brain disorder. In this regard, fragile X mental retardation syndrome-related 1 (FXR1) gene has been GWAS associated with SCZ. FXR1 protein is regulated by glycogen synthase kinase-3β (GSK3β), which has been implicated in pathophysiology of SCZ and response to antipsychotics (APs). rs496250 and rs12630592, two eQTLs (Expression Quantitative Trait Loci) of FXR1 and GSK3β, respectively, interact on emotion stability and amygdala/prefrontal cortex activity during emotion processing. These two phenotypes are associated with Negative Symptoms (NSs) of SCZ suggesting that the interaction between these SNPs may also affect NS severity and responsiveness to medication.MethodsTo test this hypothesis, in two independent samples of patients with SCZ, we investigated rs496250 by rs12630592 interaction on NS severity and response to APs. We also tested a putative link between APs administration and FXR1 expression, as already reported for GSK3β expression.ResultsWe found that rs496250 and rs12630592 interact on NS severity. We also found evidence suggesting interaction of these polymorphisms also on response to APs. This interaction was not present when looking at positive and general psychopathology scores. Furthermore, chronic olanzapine administration led to a reduction of FXR1 expression in mouse frontal cortex.DiscussionOur findings suggest that, like GSK3β, FXR1 is affected by APs while shedding new light on the role of the FXR1/GSK3β pathway for NSs of SCZ. 相似文献
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