Background: A man experienced multiple episodes of macroscopic hematuria following nocturnal exercise. Urinary stones and tumors were considered the two most likely causes. The patient had two hobbies: Consuming health care products in large quantities and engaging in late-night running.
View Article and Find Full Text PDFMedicine (Baltimore)
August 2023
To investigate the role of hemodynamic stresses in initiating cerebral aneurysms at bends of internal carotid artery (ICA). Sixty-one patients with 68 aneurysms at ICA bends were retrospectively enrolled as the experiment group. Among the 61 patients, 30 normal ICAs without aneurysms were chosen as the control.
View Article and Find Full Text PDFBMC Genomics
September 2022
Background: As one of three essential nutrients, potassium is regarded as a main limiting factor for growth and development in plant. Sweet potato (Ipomoea batatas L.) is one of seven major food crops grown worldwide, and is both a nutrient-rich food and a bioenergy crop.
View Article and Find Full Text PDFWestern equine encephalitis virus (WEEV) causes lethal encephalitis in humans and equines, and it poses a serious public health threat in many countries. Therefore, the development of an efficient vaccine remains an important challenge for the prevention of WEEV infection. This study presents the first description of WEEV virus-like particles (VLPs) generated from insect cells using recombinant baculoviruses.
View Article and Find Full Text PDFJ Neurol Surg A Cent Eur Neurosurg
May 2020
Objective: Intracranial aneurysms treated with endovascular coil embolization may recur. We investigated the factors affecting aneurysmal recurrence after embolization and effects of endovascular retreatment within 1 year.
Methods: In 3 years, 1,335 patients with 1,385 intracranial aneurysms were treated with coil embolization.
Background: Hyperkalaemia occurs frequently in many maintenance haemodialysis (MHD) patients after parathyroidectomy (PTX) with secondary hyperparathyroidism (SHPT). However, the clinical risk factors that predict postoperative hyperkalaemia are uncertain.
Methods: This retrospective cohort study included 90 maintenance haemodialysis patients aged ≥18 years who underwent PTX between April 2011 and April 2016 at Aerospace Center Hospital (Peking University Aerospace School of Clinical Medicine).
Objective: To investigate construction of an aneurysm on a curved vascular segment of a carotid siphon model for testing endovascular devices.
Methods: Preshaped carotid siphon models of polytetrafluoroethylene were constructed from a human cadaver for confining canine common carotid artery (CCA). The canine right external jugular vein was isolated and harvested to make a venous pouch by suturing 1 end.
Purpose: Carotid atherosclerotic plaque occurs predominantly at the outer wall of the carotid sinus, and computational fluid dynamics (CFD) plays an important role in explaining plaque formation. The present study investigated the hemodynamic factors affecting carotid atherosclerotic stenosis.
Methods: Sixteen patients with normal carotid arteries and 16 with symptomatic stenotic carotid sinus underwent 3-dimensional angiographic imaging evaluations and were studied with CFD to simulate the complete 3-dimensional blood flow and hemodynamic parameter distribution in the carotid bifurcations.
Objective: To investigate parent vessel response to deployment of 2 stents for treatment of cerebral aneurysms.
Methods: Fifteen patients (11 women and 4 men; age range, 25-83 years) with 18 wide-necked intracranial aneurysms were treated with 2 stents with or without subsequent coiling. The vascular diameter was measured and compared within the native parent artery, and the single stent and double stent were measured and compared before and immediately after stenting and at angiographic follow-up.
Objective: To investigate the outcomes and safety of endovascular compared with surgical clipping for multiple intracranial aneurysms.
Material And Methods: 98 patients with 260 multiple intracranial aneurysms were treated with endovascular, surgical clipping, combined treatment, and observation. Data were retrospectively studied following treatment and at follow-up.
A novel Ebola virus (EBOV) first identified in March 2014 has infected more than 25,000 people in West Africa, resulting in more than 10,000 deaths. Preliminary analyses of genome sequences of 81 EBOV collected from March to June 2014 from Guinea and Sierra Leone suggest that the 2014 EBOV originated from an independent transmission event from its natural reservoir followed by sustained human-to-human infections. It has been reported that the EBOV genome variation might have an effect on the efficacy of sequence-based virus detection and candidate therapeutics.
View Article and Find Full Text PDFGuang Pu Xue Yu Guang Pu Fen Xi
November 2014
The standardized measuring principle, requirements and implementations of the above parameters of LEDs were researched and analyzed in the present paper. Then a comprehensive test system involved with optics, machinery and computer was designed to accomplish data acquisition, algorithm design and interface design on virtual instrument using NI data acquisition card USB6210. And convincing results of LEDs' parameters, including peak wavelength, width of half-peak wavelength, centroid wavelength, chromaticity coordinates, purity, correlated color temperature and the forward voltage/current, were achieved with good consistency based on the measured spectrum.
View Article and Find Full Text PDFAneurysms with an acutely angled parent artery are difficult to access for coiling. This study aimed to investigate the safety and effectiveness of microcatheter looping for embolization of cerebral aneurysms with access difficulty. Ten patients (male:female=5:5) with cerebral aneurysms treated with the microcatheter looping technique were analyzed retrospectively.
View Article and Find Full Text PDFObjective: Tiny cerebral aneurysms are difficult to embolize because the aneurysm's sac is too small for a single small coil, and coils within the aneurysm may escape from the confinement of a stent. This study was performed to introduce the stent-assisted coil-jailing technique and to investigate its effect on the coil embolization of tiny intracranial aneurysms.
Materials And Methods: Sixteen patients with tiny intracranial aneurysms treated with the stent-assisted coil-jailing technique between January 2011 and December 2013 were retrospectively reviewed and followed-up.
Gene therapy targeting the brain holds great promise in curing nervous system degenerative diseases in clinical applications. With this in mind, in a previous study a 29 amino-acid peptide derived from the rabies virus glycoprotein (RVG29) with a nonamer stretch of arginine residues (RVG29-9R) at its carboxy-terminus was exploited as a ligand for brain-targeting gene delivery. Importantly, the report demonstrated that the RVG29-9R vector was able to cross the blood-brain barrier.
View Article and Find Full Text PDFInt Immunopharmacol
August 2014
Rabies is a viral infection of the CNS that is almost always fatal once symptoms occur. No effective treatment of the disease is available and novel antiviral strategies are urgently required. Street rabies viruses are field isolates known to be highly neurotropic.
View Article and Find Full Text PDFThe rabies virus (RABV) G protein is the primary contributor to the pathogenicity and protective immunity of RABV. In this study, we generated a recombinant rCVS-11-G strain containing two copies of the G protein derived from the pathogenic wild-type (wt) CVS-11 strain and based on its infectious clone. Compared with the wtCVS-11 strain, the rCVS-11-G strain possessed a larger virion and 1.
View Article and Find Full Text PDFRabies is a fatal central nervous system (CNS) disease caused by the neurotropic rabies virus (RABV). The therapeutic management of RABV infections is still problematic, and novel antiviral strategies are urgently required. We established the RVG-BHK-21 cell line, which expresses RABV glycoprotein on the cell surface, to select aptamers.
View Article and Find Full Text PDFEastern equine encephalitis virus (EEEV) poses a serious public health threat in many countries. Therefore, developing efficient vaccine against EEEV remains an important challenge in the field of disease control. To identify immunogenic proteins in EEEV, we constructed an expression vector containing the protein coding genes C, E3, E2, 6k, and E1 (pcDNA3.
View Article and Find Full Text PDFBeijing Da Xue Xue Bao Yi Xue Ban
August 2013
Objective: To assess the blood coagulation function and investigate the appropriate dose of unfractionated heparin by thromboelastograph in maintenance hemodialysis (MHD) patients.
Methods: Thirty MHD patients were enrolled in this study and divided into two groups. The total dose of unfractionated heparin was below 80 u/kg in the low-dose group (LH, n=16), while it exceeded 80 u/kg in the high-dose group (HH, n=14).
To investigate the potential of adeno-associated viruses serotype 2 (AAV2)-mediated RNA interference (RNAi) as an antiviral agent against rabies, recombinant AAV2 vectors expressing siRNA targeting the nucleoprotein (N) gene of rabies virus (RABV) (rAAV-N796) were constructed and evaluated. When NA cells pretreated with rAAV-N796 were challenged with RABV, there was a 37.8 ± 3.
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