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have accumulated in the gerbil lineage, and GC-biased nucleotide substitution rather than positive selection is the likely cause of extreme divergence in more than half of these. Some proteins carry putatively deleterious changes that could be associated with metabolic and physiological phenotypes observed in some gerbil species. We propose that these animals provide a useful model to study the 'tug-of-war' between natural selection and the excessive accumulation of deleterious substitutions mutations through biased gene conversion.
Homology based methods are one of the most important and widely used approaches for functional annotation of high-throughput microbial genome data. A major limitation of these methods is the absence of well-characterized sequences for certain functions. The non-homology methods based on the context and the interactions of a protein are very useful for identifying missing metabolic activities and functional annotation in the absence of significant sequence similarity. In the current work, we employ both homology and context-based methods, incrementally, to identify local holes and chokepoints, whose presence in the Mycobacterium tuberculosis genome is indicated based on its interaction with known proteins in a metabolic network context, but have not been annotated. We have developed two computational procedures using network theory to identify orphan enzymes ('Hole finding protocol') coupled with the identification of candidate proteins for the predicted orphan enzyme ('Hole filling protocol'). We propose anFor pathogens such as M. tuberculosis, this work holds significance in terms of increasing the protein repertoire and thereby, the potential for identifying novel drug targets.
We have developed methods that can be generalized to augment homology-based annotation to identify missing enzyme coding genes and to predict a candidate protein for them. For pathogens such as M. tuberculosis, this work holds significance in terms of increasing the protein repertoire and thereby, the potential for identifying novel drug targets.
Orbital mucormycosis is a rare but potentially severe and troublesome invasive fungal infection that could be occurred even in healthy individuals. The initial clinical presentation is similar to bacterial pre-septal or septal cellulitis, especially in early stages.
Herein, we describe the successful management of a series of five cases presenting with orbital mucormycosis in previously healthy children.
Orbital mucormycosis is extremely rare in healthy children and maybe life-threatening when diagnosis delayed given a similar clinical presentation with bacterial septal cellulitis. selleck products Intravenous antifungal therapy with amphotericin B and timely surgical drainage is live-saving.
Orbital mucormycosis is extremely rare in healthy children and maybe life-threatening when diagnosis delayed given a similar clinical presentation with bacterial septal cellulitis. Intravenous antifungal therapy with amphotericin B and timely surgical drainage is live-saving.
The etiopathogenesis of Rheumatoid Arthritis (RA) is not clearly understood. However, the role of the cytokines takes an important part in this mechanism. We aimed to bring a new approach to the concept of 'remission' in patients with RA.
RA is a chronic, autoimmune, inflammatory disease that involves small joints in the form of symmetrical polyarthritis and progresses with exacerbations and remissions. Pain, swelling, tenderness and morning stiffness are typical of the joints involved. Although it is approached as a primary joint disease, a wide variety of extra-articular involvements may also occur. It is an interesting pathophysiological process, the exact cause of which is still unknown, with many environmental, genetic and potentially undiscovered possible factors in a chaotic manner.
In this cross-sectional study, sedimentation rate (ESR), C- Reactive protein (CRP), Tumor necrosis factor (TNF)-α, soluble-TNF-α receptor (TNF-R), Interleukin (IL)-1B and IL-10 were measured in three groups which were1; p=0.032 and r 0,697; p=0,001 respectively).
TNF-R can be the main pathophysiological factor and a marker showing activation. TNF-R can be very important in revealing the effect of TNF on the disease and the value of this effect in the treatment and ensuring the follow-up of the disease with CRP instead of ESR in activation.
TNF-R can be the main pathophysiological factor and a marker showing activation. TNF-R can be very important in revealing the effect of TNF on the disease and the value of this effect in the treatment and ensuring the follow-up of the disease with CRP instead of ESR in activation.Background &Aims With the introduction of sofosbuvir based regimens, there have been achieved high cure rates and decreased duration. Several studies showed variances in SVR rates between different genotypes, with lower rates of SVR among cirrhotic patients . The aim of our study was to assess the safety and effectiveness of sofosbuvir-based antiviral regimens for the treatment of HCV-infected Egyptian cirrhotic patients.
This was a retrospective observational comparative study. Nine hundred forty six cirrhotic patients with chronic HCV genotype 4 infection who were eligible for direct acting drugs (DAAs) therapy were enrolled. The primary outcome measures were the number of patients with successful eradication of the virus evidenced by SVR at 12 Weeks After discontinuation of therapy (SVR12) and the secondary outcome measures were the incidence of adverse effects associated with the tested HCV therapy.
Among the 946 patients enrolled in the study; 527 patients (55.7%) were males and 419 patients (44.3 %) were females with mean age 54.00±8.88 years. 20.2 % were diabetics and 19.1% were hypertensive. Patients were classified according to Child -Pugh classifications; 818 patients (86.46%) were Child-Pugh class A cirrhosis, 28 patients (13.53 %) were Child-Pugh class B cirrhosis. SVR12 rate was 96.93% (917 /946). Treatment response in the Child-Pugh class A cirrhosis was 794 (97%) after 12 weeks while treatment response in the Child-Pugh class B cirrhosis was 123 (96%). Mild side effects were observed in 76 patients.
sofosbuvir based regimens were effective and safe in the treatment of cirrhotic patients with chronic hepatitis C genotype 4.
sofosbuvir based regimens were effective and safe in the treatment of cirrhotic patients with chronic hepatitis C genotype 4.