نتایج جستجو برای: persistent isolated anti
تعداد نتایج: 763617 فیلتر نتایج به سال:
Background: Klebsiella pneumoniae is one of the most important hospital opportunistic pathogens that have become resistant to many antibiotics due to biofilm formation. The aim of this study was to synthesize copper nanoparticles using Artemisia scoparia extract, to investigate its antimicrobial and anti-biofilm effects against K. pneumoniae strains. Methods: In this experimental study, 100 cli...
diabetic macular edema (dme) is a leading cause of vision loss in the working-age population worldwide. numerous early studies suggest an important role for intravitreal anti-vegf agents such as bevacizumab in the management of dme. we reviewed manuscripts that had investigated pharmacokinetic, efficacy, safety, dose and frequency of intravitreal bevacizumab (ivb) injections as well as effect o...
Phytochemical investigation of Tanacetum parthenium L. family Asteraceae cultivated in Egypt resulted in isolation and identification of four flavonoids. One surface flavonoid was isolated from the fresh leaves and three other flavonoids were isolated from the flower heads. Four sesquiterpene lactones were isolated from the leaves. Two sterols were isolated from the roots. A comparative study o...
BACKGROUND Persistent carriers have a higher risk of Staphylococcus aureus infections than noncarriers but a lower risk of bacteremia-related death. Here, the role played by anti-staphylococcal antibodies was studied. METHODS Serum samples from 15 persistent carriers and 19 noncarriers were analyzed for immunoglobulin (Ig) G, IgA, and IgM binding to 19 S. aureus antigens, by means of Luminex ...
RATIONALE Recent observations, especially in adults, suggest that asthma severity may be associated with fungal sensitization. Other studies suggest that some patients with severe asthma and fungal sensitization may benefit from anti-fungal therapy. Currently, the prevalence of fungal sensitization among children with severe asthma is not well characterized. METHODS We determined prevalence o...
A good understanding of a medicinal plant is based on fundamental knowledge of its chemical constituents and their pharmacological effects. The non-alkaloids constituents isolated from Uncaria species have been increasingly investigated recently. The anti-inflammatory, anti-oxidant and anti-cancer properties have been studied in many non-alkaloids constituents isolated from Uncaria species. Thi...
The recent epidemic of the arthritogenic alphavirus, chikungunya virus (CHIKV) has prompted a quest to understand the correlates of protection against virus and disease in order to inform development of new interventions. Herein we highlight the propensity of CHIKV infections to persist long term, both as persistent, steady-state, viraemias in multiple B cell deficient mouse strains, and as per...
BACKGROUND The onset of invasive aspergillosis (IA) after allogeneic haematopoietic stem cell transplantation (HSCT) is bimodal. However, IA early after HSCT has become less frequent due to the shortened neutropenic period, and the clinical significance of empirical treatment for aspergillosis based on persistent febrile neutropenia (FN) became less clear. Therefore, we started a presumptive tr...
Surface immunoglobulin (sIg)-mediated stimulation of B lymphocytes induces a tyrosine kinase-dependent sequence of events leading to rapid and large elevations in intracellular ionized calcium ([Ca2+]i). These early biochemical events do not necessarily lead to proliferation of B cells, however, and conversely, the absence of or inhibition of these events does not necessarily prevent cellular p...
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