Publications by authors named "ROGER S"

Pathological left ventricular remodeling is a complex process following an acute myocardial infarction, leading to architectural disorganization of the cardiac tissue. This phenomenon is characterized by sterile inflammation and the exaggerated development of fibrotic tissue, which is non-contractile and poorly conductive, responsible for organ dysfunction and heart failure. At present, specific therapies are lacking for both prevention and treatment of this condition, and no biomarkers are currently validated to identify at-risk patients.

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Purpose: This study is to evaluate duration of oocyte cryostorage and association with thaw survival, fertilization, blastulation, ploidy rates, and pregnancy outcomes in patients seeking fertility preservation.

Methods: Retrospective cohort study to evaluate clinical outcomes in patients who underwent fertility preservation from 2011 to 2023 via oocyte vitrification for non-oncologic indications. Primary outcome was thaw survival rate.

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Cell-to-cell communication is a major process for accommodating cell functioning to changes in the environments and to preserve tissue and organism homeostasis. It is achieved by different mechanisms characterized by the origin of the message, the molecular nature of the messenger, its speed of action and its reach. Purinergic signalling is a powerful mechanism initiated by extracellular nucleotides, such as ATP, acting on plasma membrane purinoreceptors.

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Background: Treatment strategies for BK polyomavirus (BKPyV) infection in kidney transplant recipients are heterogeneous among clinicians. We aimed to identify the treatment preferences of key stakeholders for BKPyV infection and measure the trade-offs between treatment outcomes.

Methods: Adult kidney transplant recipients, caregivers, and clinicians were eligible to participate in a discrete choice experiment between February 2021 and June 2022.

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Background: The aim of this study was to determine the long-term effect of increasing water intake in patients with autosomal dominant polycystic kidney disease (ADPKD) on longitudinal changes in health-related quality of life (HRQoL) in the setting of a clinical trial.

Methods: Self-completed HRQoL (using the KDQoL-SF, v.1.

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Article Synopsis
  • * Current treatments for eumycetoma, largely relying on antifungal drugs and surgery, have low success rates and high chances of relapse.
  • * Researchers have synthesized 47 new chemical compounds that show better effectiveness and lower toxicity than existing treatments, particularly one compound that performed similarly to the standard drug itraconazole, suggesting they could be safer options for treating eumycetoma.
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The Individual Brain Charting (IBC) is a multi-task functional Magnetic Resonance Imaging dataset acquired at high spatial-resolution and dedicated to the cognitive mapping of the human brain. It consists in the deep phenotyping of twelve individuals, covering a broad range of psychological domains suitable for functional-atlasing applications. Here, we present the inclusion of task data from both naturalistic stimuli and trial-based designs, to uncover structures of brain activation.

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Article Synopsis
  • This study aimed to determine if factors like BMI, advanced maternal age (AMA), and length of the second stage of labor could enhance predictions of obstetric anal sphincter injury (OASIS) during forceps-assisted vaginal deliveries (FAVD).
  • A total of 979 singleton pregnancies were analyzed, and it was found that 20.4% of patients experienced OASIS, but the inclusion of new predictive factors did not significantly improve prediction accuracy compared to established models.
  • The conclusion suggests that incorporating these factors into decision-making for FAVD does not increase the likelihood of predicting OASIS effectively.
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Objective: To assess whether the change in embryo morphology from precryopreservation to postthaw is associated with the embryo transfer success rates in single euploid embryo transfer cycles.

Design: Retrospective cohort study.

Setting: Academic affiliated fertility clinic.

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Introduction: Despite considerable therapeutic advances in the last 20 years, metastatic cancers remain a major cause of death. We previously identified prominin-2 (PROM2) as a biomarker predictive of distant metastases and decreased survival, thus providing a promising bio-target. In this translational study, we set out to decipher the biological roles of PROM2 during the metastatic process and resistance to cell death, in particular for metastatic melanoma.

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Background: TikTok is a popular social media platform that allows users to create and share content through short videos. It has become a place for everyday users, especially Generation Z users, to share experiences about their reproductive health. Owing to its growing popularity and easy accessibility, TikTok can help raise awareness for reproductive health issues as well as help destigmatize these conversations.

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Pathophysiological response after acute myocardial infarction (AMI) is described as a three-stage model involving temporal phenotypic modifications of both immune cells and fibroblasts: a primary inflammatory phase, followed by a reparative phase and a fibrous scar maturation phase. Purinergic receptors, particularly the P2Y11 receptor, have been reported to be involved in the regulation of inflammation after ischemia and could act for the resolution of inflammation after AMI. For the first time, we characterized the immuno-inflammatory and P2Y11 expression profiles of peripheral blood mononuclear cells (PBMC) from AMI patients and analyzed the consequences of presenting these cells to cardiac fibroblasts in vitro.

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Article Synopsis
  • The study investigates how ischemia-reperfusion injury (IRI) affects kidney transplant function, particularly looking at how hypoxia and reoxygenation influence proximal transporters in kidney cells.
  • Research involved culturing human tubular cells under different hypoxia and reoxygenation conditions, analyzing changes in transporter gene expression, and using metabolomics to explore metabolic shifts.
  • Findings revealed specific upregulation and downregulation of transporter genes during hypoxia and reoxygenation, though no direct link was found between transporter expression and metabolic changes, suggesting the need for more focused research on individual transporters.
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Rationale & Objective: The development of new therapies for autosomal dominant polycystic kidney disease requires clinical trials to be conducted efficiently. In this study, the factors affecting the recruitment and retention of participants enrolled in a 3-year randomized controlled trial in autosomal dominant polycystic kidney disease were investigated.

Study Design: Qualitative study.

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Article Synopsis
  • Researchers found that ion channels play a key role in how cancer cells spread and invade other tissues.
  • They discovered that a specific channel called NALCN is really important for metastatic prostate cancer cells to keep moving and invading.
  • NALCN helps control calcium levels in the cancer cells, which boosts their ability to invade and spread in the body.
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Introduction: eHealth supports the delivery of relevant health information and management of chronic disease. However, little is known about patients' perspectives and the determinants of eHealth use among kidney transplant recipients.

Methods: Kidney transplant recipients aged 18 years and older from 3 transplant units in Australia and the Better Evidence and Translation in Chronic Kidney Disease consumer network completed a survey with free-text responses relating to eHealth uptake.

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Background: The physician--patient relationship plays a critical role in the quality of primary care management. The generalised wearing of surgical masks in enclosed spaces - common during the COVID-19 pandemic -- could change the communication between patients and healthcare professionals.

Objectives: To assess how general practitioners (GPs) and patients feel about wearing masks during a consultation and its influences on physician--patient relationship.

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The P2X7 receptor is an exceptional member of the P2X purinergic receptor family, with its activation requiring high concentrations of extracellular adenosine 5'-triphosphate (ATP) that are often associated with tissue damage and inflammation. In the central nervous system (CNS), it is highly expressed in glial cells, particularly in microglia. In this review, we discuss the role and mechanisms of the P2X7 receptor in mediating neuroinflammation and other pathogenic events in a variety of traumatic CNS damage conditions, which lead to loss of neurological and cognitive functions.

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Colorectal cancer (CRC) is the second leading cause of death worldwide, with 0.9 million deaths per year. The metastatic stage of the disease is identified in about 20% of cases at the first diagnosis and is associated with low patient-survival rates.

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Recent evidence showed that in response to elevated sodium dietary intakes, many body tissues retain Na ions for long periods of time and can reach concentrations up to 200 mM. This could modulate the immune system and be responsible for several diseases. However, studies brought contrasted results and the effects of external sodium on human dendritic cell (DC) responses to danger signals remain largely unknown.

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We hypothesized that myocardial septal scarring, assessed by cardiac magnetic resonance (CMR) using late gadolinium enhancement (LGE), at the site of cardiac contractility modulation (CCM) lead placement may predict treatment response. Eligible heart failure (HF) patients underwent LGE CMR imaging before CCM device implantation. The response to CCM therapy at follow-up was determined by a change in NYHA class and echocardiographic left ventricular ejection fraction (LVEF) assessment.

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Unlabelled: The acceptability and impact of eHealth on patient outcomes may be limited if their concerns and priorities are not addressed. This study aimed to describe the perspectives and experiences of eHealth among kidney transplant recipients.

Methods: Face-to-face semistructured interviews were conducted with 30 adult kidney transplant recipients from New South Wales, Australia (urban and regional), in ambulatory clinics.

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Aims: Treatment with the wearable cardioverter defibrillator (WCD) may protect against sudden cardiac death (SCD) as a bridging therapy until a cardioverter-defibrillator may be implanted. We analyzed in a multicenter setting a consecutive patient cohort wearing WCD to explore sex differences.

Methods And Results: We analyzed 708 consecutive patients, 579 (81.

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In the fight against prostate cancer (PCa), TRPM8 is one of the most promising clinical targets. Indeed, several studies have highlighted that TRPM8 involvement is key in PCa progression because of its impact on cell proliferation, viability, and migration. However, data from the literature are somewhat contradictory regarding the precise role of TRPM8 in prostatic carcinogenesis and are mostly based on in vitro studies.

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