Publications by authors named "VILLANI V"

Background: The decision of proceeding with a pancreas transplant (PTx) is a complex one, and patient education is important to allow transplant candidates to make an informed and autonomous decision. In this study, we assessed the readability and reliability of online information provided by PTx centers in the United States.

Methods: Websites of PTx centers active between 2022 and 2023 were searched for patient information on pancreas transplantation.

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Background: The availability of high-quality and easy-to-read informative material is crucial to providing accurate information to prospective kidney donors. The quality of this information has been associated with the likelihood of proceeding with a living donation. Artificial intelligence-based large language models (LLMs) have recently become common instruments for acquiring information online, including medical information.

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Article Synopsis
  • In Industry 4.0, studying Human-Robot Collaboration (HRC) is crucial for enhancing manufacturing and automation, especially considering operators' distrust and stress during initial training stages.
  • To explore the operators' emotional and physiological responses, volunteers performed cobot programming tasks while monitoring signals like EEG, ECG, and GSR, alongside a subjective stress questionnaire.
  • Results showed that specific physiological parameters, particularly from EEG and GSR, aligned well with self-reported stress levels, indicating the importance of understanding human factors in effective HRC implementation.
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Background: Small malignant renal tumors can be found in up to 1.3% of kidney donors. Several studies have investigated the use of these kidneys for transplantation, after ex vivo resection of the malignant mass.

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Article Synopsis
  • - Fasting-mimicking diets (FMD), specifically a low-salt version (LS-FMD), were tested in rats with kidney damage and were found to restore normal kidney function and structure by inducing a nephrogenic gene program.
  • - LS-FMD activated pathways that promote cell reprogramming in the kidney, specifically targeting podocytes, which play a critical role in kidney health.
  • - A pilot study in patients with chronic kidney disease showed that FMD cycles improved kidney function and reduced protein levels in urine, indicating potential for further research in treating progressive kidney diseases.
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Background: Local recurrent brain metastases are defined as lesions that recur in the brain at the same site after a previous local therapy. In patients already submitted to surgery, a second operation may be potentially challenging due to scar formation, infiltration of cerebral vessels or eloquent brain areas and local effect of previous radiotherapy. The aim of this study is to retrospectively review the results and complications of a second surgical treatment in a series of local recurrent lesions and to review the literature on this topic.

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Corneal ectasias, including keratoconus (KC), pellucid marginal degeneration (PMD), and post-LASIK ectasia, poses significant visual rehabilitation challenges due to the resultant irregular astigmatism, myopia, and higher-order aberrations (HOAs). These conditions often resist traditional corrective methods, necessitating advanced optical solutions. Scleral lenses (SLs) have emerged as a primary non-surgical option for managing these complex corneal irregularities.

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Autologous breast reconstruction, especially using the deep inferior epigastric artery perforator (DIEP) flap, is increasingly seen as a reliable, safe, and long-term alternative to implant-based reconstruction. Despite the recognized advantages of the DIEP flap for breast reconstruction, successful realization demands excellent anatomical knowledge, a thorough understanding of autologous breast reconstruction concepts and advanced microsurgical skills. Given that the porcine model is widely employed in microsurgical training, our study aims to assess this model using validated outcomes, with the objective of evaluating the enhancement in a surgeon's learning curve following training with this model.

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Background: All patients starting dialysis should be informed of kidney transplant as a renal replacement therapy option. Prior research has shown disparities in provision of this information. In this study, we aimed to identify patient sociodemographic and dialysis facility characteristics associated with not receiving transplant information at the time of dialysis initiation.

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Background: The developmental age, comprising childhood and adolescence, constitutes an extremely important phase of neurodevelopment during which various psychiatric disorders can emerge. Obsessive-Compulsive Disorder (OCD) and Eating Disorders (ED) often manifest during this critical developmental period sharing similarities but also differences in psychopathology, neurobiology, and etiopathogenesis. The aim of this study is to focus on clinical, genetic and neurobiological similarities and differences in OCD and ED.

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There is little consensus on salvage management of glioblastoma after recurrence, for lack of evidence. A retrospective study of treatments in patients with recurrent glioblastoma. Surgery at recurrence was related to better overall survival (OS) and progression-free survival (PFS).

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Objective: Previous studies indicate that eosinophils are recruited into the allograft following orthotopic liver transplantation and protect from ischaemia reperfusion (IR) injury. In the current studies, we aim to explore whether their protective function could outlast during liver repair.

Design: Eosinophil-deficient mice and adoptive transfer of bone marrow-derived eosinophils (bmEos) were employed to investigate the effects of eosinophils on tissue repair and regeneration after hepatic IR injury.

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A 67-year-old man presented for urgent liver transplantation (LT). Screening revealed the rare combination of antiRhesus (D) and antiKidd Jk(a) antibodies, requiring antigen-negative red blood cells (RBC) for both phenotypes. This combination has not been reported during LT.

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The gelation kinetics of agar aqueous solutions were studied by means of the viscosity flow curves using a coaxial Couette cylinder viscometer. The viscosity curves show an unusual sigmoidal trend or an exponential decay to a viscous steady state. An original theory of gelation kinetics was developed considering the coarsening of increasingly larger and more stable clusters due to Ostwald ripening and the breakup of clusters that were too large due to the instability of rotating large particles induced by the shear rate.

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Background: In the randomized phase II REGOMA trial, regorafenib showed promising activity in patients with recurrent glioblastoma. We conducted a large, multicenter, prospective, observational study to confirm the REGOMA data in a real-world setting.

Patients And Methods: The major inclusion criteria were histologically confirmed diagnosis of glioblastoma according to the World Health Organization (WHO) 2016 classification and relapse after radiotherapy with concurrent/adjuvant temozolomide treatment, good performance status [Eastern Cooperative Oncology Group performance status (ECOG PS 0-1)] and good liver function.

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Five-year glioblastoma (GBM) survivors (LTS) are the minority of the isocitrate dehydrogenase (IDH)-wild-type GBM patients, and their molecular fingerprint is still largely unexplored. This multicenter retrospective study analyzed a large LTS-GBM cohort from nine Italian institutions and molecularly characterized a subgroup of patients by mutation, DNA methylation (DNAm) and copy number variation (CNV) profiling, comparing it to standard survival GBM. Mutation scan allowed the identification of pathogenic variants in most cases, showing a similar mutational spectrum in both groups, and highlighted TP53 as the most commonly mutated gene in the LTS group.

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Human leukocyte antigen (HLA) class I defects are associated with cancer progression. However, their prognostic significance is controversial and may be modulated by immune checkpoints. Here, we investigated whether the checkpoint B7-H3 modulates the relationship between HLA class I and pancreatic ductal adenocarcinoma (PDAC) prognosis.

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Article Synopsis
  • Antipodocyte autoantibodies cause primary membranous nephropathy (MN), a leading cause of nephrotic syndrome, and this was modeled using a glomerulus-on-a-chip system with anti-PLA2R antibodies.
  • The study found that MN serum exposure led to harmful IgG deposition and complement activation on podocytes, decreasing their ability to filter albumin, but blocking C3aR reduced this oxidative stress and leakage.
  • C3aR antagonism not only mitigated damage in vitro but also prevented proteinuria in a mouse model, highlighting C3a/C3aR signaling as a potential new treatment target for MN.
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Introduction: Drug repurposing is a promising strategy to develop new treatments for glioblastoma. In this phase II clinical trial, we evaluated the addition of chlorpromazine to temozolomide in the adjuvant phase of the standard first-line therapeutic protocol in patients with unmethylated gene promoter.

Methods: This was a multicenter phase II single-arm clinical trial.

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Anesthesiologists should be aware of the coagulation implications of therapeutic plasma exchange (TPE) with albumin replacement for desensitization of kidney transplant (KT) recipients. We describe a case where the final preoperative TPE was performed with albumin. A TEGR 6s demonstrated defects in fibrinogen component to clot strength.

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Glioblastoma (GBM) is the most frequent and lethal brain tumor, whose therapeutic outcome - only partially effective with current schemes - places this disease among the unmet medical needs, and effective therapeutic approaches are urgently required. In our attempts to identify repositionable drugs in glioblastoma therapy, we identified the neuroleptic drug chlorpromazine (CPZ) as a very promising compound. Here we aimed to further unveil the mode of action of this drug.

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Background And Aims: The importance of human leukocyte antigen (HLA) matching between liver transplant donors and recipients on graft survival remains unclear and is not a clinical consideration in liver transplantation. This study aimed to determine the relationship between HLA matching and liver graft survival using a large-scale multi-centre database (UNOS/OPTN) and multivariate logistic analysis. The secondary aim was to determine whether this relationship was influenced by transplant indication and donor status.

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Background: Molecular Tumor Boards (MTB) operating in real-world have generated limited consensus on good practices for accrual, actionable alteration mapping, and outcome metrics. These topics are addressed herein in 124 MTB patients, all real-world accrued at progression, and lacking approved therapy options.

Methods: Actionable genomic alterations identified by tumor DNA (tDNA) and circulating tumor DNA (ctDNA) profiling were mapped by customized OncoKB criteria to reflect diagnostic/therapeutic indications as approved in Europe.

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