PubMed Journals Articles About "Adenovirus Persistence Reactivation Clinical Management" RSS

02:13 EDT 16th September 2019 | BioPortfolio

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Showing "Adenovirus persistence reactivation clinical management" PubMed Articles 1–25 of 38,000+

Adenovirus persistence, reactivation and clinical management.

Adenoviral infections continue posing a major threat in severely immunocompromised patients including particularly allogeneic stem cell transplant recipients. Although exogenous infections occur in some instances, the majority of invasive events appear to arise from viral reactivation. In the pediatric setting, adenoviruses were demonstrated to persist in the gastrointestinal tract, and the intestinal epithelium serves as the main site of viral replication preceding invasive infection. Regular monitoring of...

Zona pellucida blocks adenovirus from entering porcine oocytes.

Adenovirus is a kind of non-enveloped,double-stranded DNA virus. As a member of the mammalian adenoviruses of the Adenoviridae family, porcine adenovirus causes gastrointestinal disease in piglets. In this study, the modified adenovirus was manipulated to carry a green fluorescence EGFP marker. The modified adenovirus was added to medium199 for co-incubation or microinjected into the cytoplasm of porcine oocytes. The effect of adenovirus on the first polar body extrusion was not significant during porcine o...

The detection of BKPyV genotypes II and IV after renal transplantation as a simple tool for risk assessment for PyVAN and transplant outcome already at early stages of BKPyV reactivation.

After reactivation the BK-polyomavirus (BKPyV) associated nephropathy (PyVAN) is observed in 1-10% of renal transplant recipients, of which up to 80% undergo graft failure. BKPyV reactivation after renal transplantation was associated with donor-derived serotypes against which the recipient has no immunological protection. However, PyVAN risk assessment seroactivity testing is a time-consuming and cost intensive process.

Hepatitis B management during immunosuppression for haematological and solid organ malignancies: an Australian consensus statement.

Individuals with chronic hepatitis B virus (HBV) infection or past exposure to HBV infection have a substantial risk of reactivation during immunosuppressive cancer therapy. HBV reactivation can lead to liver failure, cancer treatment interruption or death. Clinical concordance with screening and treatment guidelines is inconsistent in practice, and existing international guidelines are not specific to the Australian context. We developed an Australian consensus statement with infectious diseases, hepatolog...

Mechanisms of reactivation of latent tuberculosis infection due to SIV co-infection.

HIV is a major driver of Tuberculosis (TB) reactivation. Depletion of CD4+ T cells is assumed to be the basis behind TB reactivation in individuals with latent tuberculosis Infection (LTBI) co-infected with human immunodeficiency virus (HIV). Non-human primates (NHPs) coinfected with a mutant simian immunodeficiency virus (SIVΔGY), that does not cause depletion of tissue CD4+ T cells during infection, failed to reactivate TB. To investigate the contribution of CD4+ T cell depletion relative to other mechan...

Real-world assessment of topical glaucoma medication persistence rates based on national pharmaceutical claim data in a defined population.

The rate and determinants of persistence to topical glaucoma medications are important for identifying patients at high-risk of discontinuing medications and designing targeted approaches to improve persistence.

Reactivation of Chagas disease in a heart transplant patient infected by sylvatic Trypanosoma cruzi discrete typing unit I.

Heart transplantation is an effective treatment for Chagas disease patients with severe cardiomyopathy. However, Trypanosoma cruzi reactivation is of great concern. The T. cruzi parasite is classified into six discrete typing units (DTUs identified as TcI-TcVI). It is unknown whether there is an association between T. cruzi genetic lineages and the different clinical manifestations of the disease. We report the case of a 51-year-old man who received a heart transplantation and presented with a reactivation ...

Awake Reactivation of Prior Experiences Consolidates Memories and Biases Cognition.

After experiences are encoded into memory, post-encoding reactivation mechanisms have been proposed to mediate long-term memory stabilization and transformation. Spontaneous reactivation of hippocampal representations, together with hippocampal-cortical interactions, are leading candidate mechanisms for promoting systems-level memory strengthening and reorganization. While the replay of spatial representations has been extensively studied in rodents, here we review recent fMRI work that provides evidence fo...

Low persistence with oral biphosphonate treatment in postmenopausal osteoporosis.

Osteoporotic fractures are a major cause of morbidity and mortality. It is recognized that persistence with medication is crucial to reach optimal clinical outcomes. We aimed to estimate the persistence level to weekly and monthly oral bisphosphonates (OBP) in women with postmenopausal osteoporosis (PMO) over 24 months from therapy initiation in a population-based setting.

Targeted deletion of BCL11A gene by CRISPR-Cas9 system for fetal hemoglobin reactivation: A promising approach for gene therapy of beta thalassemia disease.

Hemoglobinopathies, such as β-thalassemia, and sickle cell disease (SCD) are caused by abnormal structure or reduced production of β-chains and affect millions of people worldwide. Hereditary persistence of fetal hemoglobin (HPFH) is a condition which is naturally occurring and characterized by a considerable elevation of fetal hemoglobin (HbF) in adult red blood cells. Individuals with compound heterozygous β-thalassemia or SCD and HPFH have milder clinical symptoms. So, HbF reactivation has long been s...

Adjuvant Haploidentical Virus-specific T Lymphocytes (VSTs) for Treatment of Disseminated Adenovirus Infection in a Premature Infant.

We report the first therapeutic infusion of haploidentical virus-specific T lymphocytes (VSTs) to treat maternally-transmitted, disseminated adenovirus infection in a premature infant. Infusion of maternal VSTs, isolated using interferon-gamma capture, associated with clinical improvement and viral clearance.

Prospective observational study to evaluate the persistence of treatment with denosumab in patients with bone metastases from solid tumors in routine clinical practice: final analysis.

In the integrated analysis of phase III head-to-head trials in patients with advanced solid tumors, denosumab demonstrated superiority over zoledronic acid in preventing skeletal-related events (SREs). Regular and continued drug use (persistence) is a precondition of clinical efficacy; persistence in real-life is yet undetermined for denosumab.

Clinical usefulness of dermoscopy in the management of lentigo maligna melanoma treated with topical imiquimod: a case report.

The importance of dermoscopy for diagnosing lentigo maligna melanoma (LMM) is well known. More recently, dermoscopy has been proposed as a useful tool also for the treatment choice and monitoring. Herein we present an 87 year-old woman, who was successfully treated with imiquimod 5% cream after post-surgical persistence of residual LMM and for whom dermoscopy was helpful to assist diagnosis, assess tumor persistence after surgery and its response to topical treatment with imiquimod. This article is protecte...

Adenovirus cerebellitis in an immunocompetent 2-year-old girl.

Acute cerebellitis (AC) is a principal cause of acute cerebellar dysfunction in previously well children. Although the condition is usually benign, fatal complications include obstructive hydrocephalus and brainstem compression; therefore, prompt accurate diagnosis is vital. There are various pathogens reported in the literature as aetiological agents of AC; however, adenovirus is very rarely mentioned, with only one previous case report in the literature to the best of our knowledge. This case demonstrat...

Severe acute respiratory distress syndrome (ARDS) induced by human adenovirus B21: Report on 2 cases and literature review.

Severe pneumonia and ARDS caused by human adenovirus B21 infections (HAdV-B21) is a rare, but a devastating disease with rapid progression to multiorgan failure and death. However, only a few cases were reported so far. Infections appear associated with increased disease severity and higher mortality in infected critically ill patients. Possible factors contributing to infection are underlying psychiatric disease resulting in institutionalization of respective patients, and polytoxicomania. Controlled data ...

A snapshot of virological presentation and outcome of immunosuppression-driven HBV reactivation from real clinical-practice: evidence of a relevant risk of death and evolution from silent to chronic infection.

The study was undertaken in order to provide a snapshot from real-clinical practice of virological presentation and outcome of patients developing immunosuppression-driven HBV-reactivation. 70 patients with HBV-reactivation were included (66.2% treated with rituximab, 10% with corticosteroids, and 23.8% with other immunosuppressive-drugs). Following HBV-reactivation, patients received anti-HBV treatment for a median (IQR) follow-up of 31(13-47) months. At baseline-screening, 72.9% of patients were HBsAg-neg...

A management system for randomized clinical trials: A novel way to supply medication.

Randomized controlled clinical trials require management effort, involving huge organizational, economic and informatics investments. Information technology offers opportunities to approach clinical trial methodology in new ways. However, there are only a few reports of computerized data and drug management systems.

Underestimated infection - on the question of the human adenovirus pathogenicity factors.

Human adenoviruses cause different organ infections of varying severity, from asymptomatic to severe cases with lethal outcome, that are registered everywhere. Detailed and focused study of factors predisposing to a severe course of infection is required. The literature contains information indicating the association of severe adenoviral respiratory diseases with certain types of adenovirus, primarily type 7. This review highlights the possible causes of increased pathogenicity of some types of adenovirus a...

Isoform specific editing of the coxsackievirus and adenovirus receptor.

The Coxsackievirus and adenovirus receptor (CAR) is both a viral receptor and cell adhesion protein. CAR has two transmembrane isoforms that localize distinctly in polarized epithelial cells. Whereas the seven exon-encoded isoform (CAR) exhibits basolateral localization, the eight exon-encoded isoform (CAR) can localize to the apical epithelial surface where it can mediate luminal adenovirus infection. To further understand the distinct biological functions of these two isoforms, CRISPR/Cas9 genomic editing...

Evaluation of adenovirus amplified detection of immunochromatographic test using tears including conjunctival exudate in patients with adenoviral keratoconjunctivitis.

We evaluated a novel silver amplification immunochromatography test for rapid detection of adenovirus (AdV) antigen equipped with an automated reader system using tears including conjunctival exudate in patients with adenoviral keratoconjunctivitis.

Assessment of latent infections in patients receiving biological therapies.

The use of biological (or targeted) therapies constitutes a major advance in the management of autoinflammatory and malignant diseases. However, due to the selective effect of these agents on the host's immune response, reactivation of certain pathogens that cause latent infection is to be expected. The most relevant concern is the risk of reactivation of latent tuberculosis infection (LTBI) and progression to active tuberculosis among patients treated with agents targeting tumor necrosis factor (TNF)-α. S...

Drug development against human adenoviruses and its advancement by Syrian hamster models.

The symptoms of human adenovirus infections are generally mild and self-limiting. However, these infections have been gaining importance in recent years because of a growing number of immunocompromised patients. Solid organ and hematopoietic stem cell transplant patients are subjected to severe immunosuppressive regimes and cannot efficaciously eliminate virus infections. In these patients, adenovirus infections can develop into deadly multi-organ disseminated disease. Presently, in the absence of approved ...

Reactivation of Latent Cytomegalovirus Infection after Major Surgery: Risk Factors and Outcomes.

Reactivation of latent cytomegalovirus (CMV) infection occurs in previously immunocompetent critically ill individuals and may be associated with increased morbidity and mortality. Our aim was to explore risk factors for and outcomes after CMV reactivation in patients undergoing major surgery.

Low incidence of HHV-6 reactivation in haploidentical hematopoietic stem cell transplantation with corticosteroid as graft-versus-host disease prophylaxis compared with cord blood transplantation.

Human leukocyte antigen (HLA) mismatch and the administration of immunosuppressive agents are considered risks for human herpesvirus 6 (HHV-6) reactivation after stem cell transplantation (SCT). However, the incidence of HHV-6 reactivation in HLA-mismatched related SCT remains unknown.

Hyperthyroidism During Pregnancy: A Clinical Approach.

Hyperthyroidism is relatively uncommon during pregnancy. However, those caring for pregnant patients should be versed in the evaluation and management of hyperthyroidism, as there are potential maternal and fetal implications that are related to the disease and to treatment. The differential diagnosis of hyperthyroidism includes clinical and subclinical entities, as well as transient laboratory findings that are related to the pregnancy itself. The clinical management, including the indications for the use ...

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