Familial encephalopathy with neuroserpin inclusion bodies (FENIB) is a neurodegenerative pathology caused by accumulation of mutant neuroserpin (NS) polymers inside the endoplasmic reticulum (ER) of neurons, leading to cellular toxicity and neuronal death. To date, there is no cure for FENIB, and only palliative care is available for FENIB patients, underlining the urgency to develop therapeutic strategies. The purpose of this work was to create a cellular system designed for testing small molecules able to reduce the formation of NS polymers.
View Article and Find Full Text PDFWe report the formulation and implementation of an extended Frenkel exciton model (EFEM) designed for simulating the dynamics of multichromophoric systems, taking into account the possible presence of interchromophore charge transfer states, as well as other states in which two chromophores are simultaneously excited. Our approach involves constructing a Hamiltonian based on calculations performed on monomers and selected dimers within the multichromophoric aggregate. Nonadiabatic molecular dynamics is addressed using a surface hopping approach, while the electronic wave functions and energies required for constructing the EFEM are computed utilizing the semiempirical floating occupation molecular orbitals-configuration interaction (FOMO-CI) electronic structure method.
View Article and Find Full Text PDFObjectives: To determine if bolus administration of calcium increases pulmonary artery pressures after unifocalization procedures or pulmonary artery reconstruction surgery.
Design: Retrospective cohort study using Stanford University's data warehouse.
Setting: A large pediatric heart center within an academic quaternary care facility.
Introduction: The evidence on the utility and effectiveness of rehabilitation interventions delivered via telerehabilitation is growing rapidly. Telerehabilitation is expected to have a key role in rehabilitation in the future.
Aim: The aim of this evidence-based position paper (EBPP) is to improve PRM physicians' professional practice in telerehabilitation to be delivered to improve functioning and to reduce activity limitations and/or participation restrictions in individuals with a variety of disabling health conditions.
Background: Recent consternation over the number of unfilled Pediatric Anesthesiology fellowship positions in the United States compelled us to assess the change in the ratio of Pediatric Anesthesiology fellows to the number of graduating anesthesiology residents over the 14-year period between 2008 and 2022. We also sought to report the total ratio of anesthesiology fellows to graduating residents and trends in the annual number of fellowship applicants relative to the number of Accreditation Council for Graduate Medical Education (ACGME)-accredited anesthesiology fellowship positions by specialty.
Methods: We used publicly available resources, including ACGME Data Resource Books, National Resident Matching Program (NRMP) data, San Francisco (SF) Match data, and American Board of Medical Specialties (ABMS) data, to determine the ratio of anesthesiology fellows to graduating anesthesiology residents and to compare the number of fellowship applicants to fellowship positions for Adult Cardiothoracic Anesthesiology, Critical Care Anesthesiology, Obstetric Anesthesiology, Pain Medicine and Pediatric Anesthesiology.
Hyaluronic acid (HA) is a naturally occurring biopolymer that has been employed for a plethora of medicinal applications. Nevertheless, as HA is a natural polysaccharide, it can be a substrate able to promote microbial growth and proliferation. Biopolymer-drug conjugates have gained attention over the years to overcome drawbacks of each single component.
View Article and Find Full Text PDFHepatic encephalopathy (HE) is a common complication of advanced liver disease causing brain dysfunction. This is likely due to the accumulation of unfiltered toxins within the bloodstream. A known risk factor for developing or worsening HE is the placement of a transjugular intrahepatic portosystemic shunt (TIPS), which connects the pre-hepatic and post-hepatic circulation allowing some blood to bypass the dysfunctional liver and decreases portal hypertension.
View Article and Find Full Text PDFCyanoacetylene HCCCN), the first member of the cyanopolyyne family (HCN, where = 3, 5, 7, ...
View Article and Find Full Text PDFPhaeochromocytomas and paragangliomas are rare neuroendocrine tumours that often secrete catecholamines, which can cause dramatic swings in blood pressure and end-organ damage. During surgical resection of these tumours, antihypertensive drug infusions are often required, but after resection patients may become vasoplegic, in part due to cessation of catecholamine secretion by the tumour in the context of pre-operative α adrenoceptor antagonism. Numerous medications have been used to treat vasoplegia in this setting, including noradrenaline, vasopressin and, more recently, angiotensin II.
View Article and Find Full Text PDFCorrection for 'Theoretical and experimental study on the O(P) + 2,5-dimethylfuran reaction in the gas phase' by Andrea Giustini , , 2021, , 19424-19434, DOI: 10.1039/D1CP01724A.
View Article and Find Full Text PDFThe photoionization of two potential biofuel additives, γ-valerolactone (GVL, CHO) and methyl butyrate (MB, CHO) has been studied by imaging photoelectron photoion coincidence spectroscopy (iPEPICO) at the VUV beamline of the Swiss Light Source (SLS). The vibrational fine structure in the photoelectron spectrum is compared with a Franck-Condon simulation for the electronic ground-state band of the GVL cation. In the lowest energy dissociative photoionization channel of GVL, CO is lost, resulting in a 1-butene fragment ion with a 0 K appearance energy of = 10.
View Article and Find Full Text PDFWith the aim of finding a suitable synthesizable superalkali species, using the B3LYP/6-31G* density functional level of theory we provide results for the interaction between the buckminsterfullerene C and the superalkali LiF. We show that this endofullerene is stable and provides a closed environment in which the superalkali can exist and interact with CO. It is worthwhile to mention that the optimized LiF structure inside C is not the most stable C isomer found for the "free" superalkali but the D geometry.
View Article and Find Full Text PDFIn this work we report a joint experimental and computational study on the 2,5-dimethylfuran oxidation reaction in the gas phase initiated by atomic oxygen O(P). The experiments have been performed by using vacuum-ultraviolet synchrotron radiation at the Advanced Light Source (ALS) of the Lawrence Berkeley National Laboratory (LBNL), at a temperature of 550 K and a pressure of 8 Torr. The experimental data were supported by quantum-chemical calculations along with a kinetic model, also taking into account the possible involvement of different magnetic states, performed in the framework of the RRKM theory.
View Article and Find Full Text PDFIssues connected with the reintegration of individuals affected by severe brain injury are numerous and complex. Extensive data indicate the effectiveness of treatments based on an holistic approach, which integrates medical interventions with social programmes and offers continuity, leading to the rapid achievement of independent living outcomes and return to work. In Italy, extensive resources are available for the clinical and rehabilitation management of individuals affected by traumatic brain injury in the acute and post-acute phase, but there are only a few organized services to support the reintegration phase.
View Article and Find Full Text PDFThis cross-sectional study assesses changes in views of medical scientific articles published in 3 leading medical journals since the start of the COVID-19 pandemic.
View Article and Find Full Text PDFPaediatr Anaesth
November 2020
Moyamoya disease is a rare, progressive cerebral vasculopathy which most commonly presents in the first and fourth decades of life. The mainstay of treatment is surgical revascularization; without treatment, most patients experience ischemic or hemorrhagic strokes. This report reviews moyamoya disease, its associated conditions, surgical treatment techniques, and anesthetic management of patients with moyamoya disease.
View Article and Find Full Text PDFThis cross-sectional study examines the association between article citations, Altmetric attention scores, and cumulative page views of pediatric research articles from 4 high-impact medical journals.
View Article and Find Full Text PDFScientific evidence has shown oxygenates help to reduce dangerous pollutants arising from burning fossil fuel in the automotive sector. For this reason, their use as additives has spread widely. The aim of this work consists in providing a comprehensive identification of the main primary oxidation products of diisopropyl ether (DIPE), one of the most promising among etheric oxygenates.
View Article and Find Full Text PDFTo date, medical education lacks Europe-wide standards on neurorehabilitation. To address this, the European Federation of NeuroRehabilitation Societies (EFNR) here proposes a postgraduate neurorehabilitation training scheme. In particular, the European medical core curriculum in neurorehabilitation should include a two-year residency in a neurorehabilitation setting where trainees can gain practical experience.
View Article and Find Full Text PDFBackground: The standard use of pulse oximetry during the transport of postoperative patients from the operating room (OR) to the postanesthesia care unit (PACU) is not routinely practiced. A study was conducted to determine if the frequency of hypoxemia on admission to the PACU decreased after implementation of routine use of transport pulse oximeters for postoperative patients being transferred to the PACU.
Methods: In this prospective cohort study, which was conducted at an academic pediatric hospital, the primary outcome measure was the frequency of hypoxemic events on arrival to the PACU.
It is now known that many tumors develop molecular signals (immune checkpoint modulators) that inhibit an effective tumor immune response. New information also suggest that even well-known cancer treatment modalities such as radiation and hyperthermia generate potentially beneficial immune responses that have been blocked or mitigated by such immune checkpoints, or similar molecules. The cancer therapy challenge is to; a) identify these treatment-based immune signals (proteins, antigens, etc.
View Article and Find Full Text PDFBackground: USP18 (ubiquitin-specific protease 18) removes ubiquitin-like modifier interferon stimulated gene 15 (ISG15) from conjugated proteins. USP18 null mice in a FVB/N background develop tumors as early as 2 months of age. These tumors are leiomyosarcomas and thus represent a new murine model for this disease.
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