scholarly journals Opistorchis felineus invasion influence on immunity in bronchial asthma

2010 ◽  
Vol 9 (3) ◽  
pp. 85-90
Author(s):  
L. M. Ogorodova ◽  
M. B. Freidin ◽  
A. E. Sazonov ◽  
O. S. Fyodorova ◽  
I. A. Deyev ◽  
...  

To investigate the molecular mechanisms of human immune response modification by Opisthorchis felineus antigens in bronchial asthma. The experimental study was performed with cell cultures from patients with bronchial asthma, patients with opisthorchiasis, and patients with BA and opisthorchiasis co-occurred. A proposed down-regulation of immune response by higher level of IL10 and TGFB genes expression in patients with opisthorchiasis was revealed.

2021 ◽  
Author(s):  
Fabrizio Pucci ◽  
Marianne Rooman

The understanding of the molecular mechanisms driving the fitness of the SARS-CoV-2 virus and its mutational evolution is still a critical issue. We built a simplified computational model, called SpikePro, to predict the SARS-CoV-2 fitness from the amino acid sequence and structure of the spike protein. It contains three contributions: the viral transmissibility predicted from the stability of the spike protein, the infectivity computed in terms of the affinity of the spike protein for the ACE2 receptor, and the ability of the virus to escape from the human immune response based on the binding affinity of the spike protein for a set of neutralizing antibodies. Our model reproduces well the available experimental, epidemiological and clinical data on the impact of variants on the biophysical characteristics of the virus. For example, it is able to identify circulating viral strains that, by increasing their fitness, recently became dominant at the population level. SpikePro is a useful instrument for the genomic surveillance of the SARS-CoV-2 virus, since it predicts in a fast and accurate way the emergence of new viral strains and their dangerousness. It is freely available in the GitHub repository github.com/3BioCompBio/SpikeProSARS-CoV-2.


2011 ◽  
Vol 10 (3) ◽  
pp. 93-99
Author(s):  
O. V. Eliseyeva

In this review we discuss the mechanisms of human immune response modification by helminth in bronchial asthma. Helminth invasion causes increase of level to regulatory T-cells and to suppression of an allergic inflammation in bronchial asthma. Antihelminth therapy leads to decrease of level Treg cells. Deficiency or dysfunction of Treg cells can be a cause of allergic diseases.


2013 ◽  
Vol 68 (7) ◽  
pp. 57-60
Author(s):  
O. A. Sharavii ◽  
S. V. Smirnova

 Aim. The study of the prevalence and clinical peculiarities of Mycoplasmosis and Chlamydiosis in patients with different pathogenic forms of bronchial asthma (BA) taking into account ethnicity of a patient. Subjects and Methods. The research covered 239 subjects – both the Europeoids and the Mongoloids in the city of Krasnoyarsk and the town of Kyzyl, all of them being BA patients of different stages, including acute stage and practically healthy. We had determined antigens Mycoplasma pneumoniae, Mycoplasma hominis, Chlamydophila pneumoniae, Chlamydophila psittaci and Chlamydia trachomatis in smears of mucosa of pharynx and antibodies to these antigens in peripheral blood serum. Results.  We found high frequency of Mycoplasmosis and Chlamydiosis in the inhabitants of Eastern Siberia, BA patients with different pathogenic forms as compared to control group. We had determined ethnic peculiarities of specific immune response: IgM to М. pneumoniae was revealed in the Europoids more frequently than in the Mongoloids, but IgM to С. pneumoniae and to C. trachomatis, C. trachomatis antigens had been revealed more often in the Mongoloids than in the Europoids. We accepted as clinical equivalents of Mycoplasmosis and Chlamydiosis diagnostics the following signs: temperature around 37C (subfebrile temperature), non-intensive but stable coughing with scanty mucous and muco-purulent sputum, dyspnea of mixed character. Conclusions. Mycoplasma and Chlamydia are meaningful etiologic factors of bronchial asthma. We have found the peculiarities of immune response depending on ethnicity of a patient (ethnic belonging). Clinical markers of Mycoplasmosis and Chlamydiosis should be taken into account in bronchial asthma in order to provide diagnostics timely as well as eradication of infection agents. Because of insufficient knowledge of problem of bronchial asthma related to contamination with Мycoplasma and Chlamydia we put the goal to study the frequency of Mycoplasmosis and Chlamydiosis occurrence in bronchial asthma patients and determine the characteristics clinical course of diseases. We defined antigens Мycoplasma pneumoniae, Мycoplasma hominis, Chlamydophila pneumoniaе, Chlamydophila psittaci, Chlamydia trachomatis in smears of oropharynx mucosa and antibodies to them in blood serum. 


2021 ◽  
Vol 27 (4) ◽  
pp. 571-572 ◽  
Author(s):  
Roberto Burioni ◽  
Eric J. Topol

2014 ◽  
Vol 2014 ◽  
pp. 1-6 ◽  
Author(s):  
Diane Williamson

This review considers the steps required to evaluate a candidate biodefense vaccine or therapy as it emerges from the research phase, in order to transition it to development. The options for preclinical modelling of efficacy are considered in the context of the FDA’s Animal Rule.


1989 ◽  
Vol 21 (4) ◽  
pp. 386???392 ◽  
Author(s):  
LEONARD H. CALABRESE ◽  
SUSAN M. KLEINER ◽  
BARBARA P. BARNA ◽  
CHRISTINE I. SKIBINSKI ◽  
DONALD T. KIRKENDALL ◽  
...  

2007 ◽  
Vol 1004 ◽  
Author(s):  
David B. Fenner ◽  
David I Rosen ◽  
Anthony A Ferrante ◽  
Amy E Stevens ◽  
Chad E Bigelow ◽  
...  

AbstractDevelopment of field portable apparatus and methods for cytokine assay of human saliva by fluorescent-reporting microarray plates is described. Multiplexed assay of 12 cytokines for minimally-processed saliva is read with a CCD-based imager under LED excitation. Immune responsive cytokines are measured at levels significant for indication of human disease state. The motivational context for the new apparatus development, the general optical design issues, saliva protocol, and image analysis are described.


Hybridoma ◽  
1999 ◽  
Vol 18 (2) ◽  
pp. 121-129 ◽  
Author(s):  
WENDY A. HUTCHINS ◽  
THOMAS KIEBER-EMMONS ◽  
GEORGE M. CARLONE ◽  
M.A. JULIE WESTERINK

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