منابع مشابه
Microbial infections, immunomodulation, and drugs of abuse.
The use of recreational drugs of abuse has generated serious health concerns. There is a long-recognized relationship between addictive drugs and increased levels of infections. Studies of the mechanisms of actions of these drugs became more urgent with the advent of AIDS and its correlation with abused substances. The nature and mechanisms of immunomodulation by marijuana, opiates, cocaine, ni...
متن کاملAnti-autoimmune effect of the parasites: the microbial immunomodulation
Parasites with their ability to vibrate our immune system are known as potent immunomodulators. In the course of life struggle of parasites within host body, they induce our immune system to produce immunosuppressive cytokines like IL-4 and IL-10 by the immune cells to create parasite friendly environment within host body. Coincidentally, several autoimmune and inflammatory disorders of the hos...
متن کاملImmunomodulation by fungal toxins.
The availability of immunotoxicity data for fungal toxins varies considerably for different toxins. The following is a comprehensive review of the most recent literature on the immunotoxicity of aflatoxins, fumonisins, gliotoxin, ochratoxins, patulin, and trichothecenes. Aflatoxin is an immunomodulating agent that acts primarily on cell-mediated immunity and phagocytic cell function. In additio...
متن کاملImmunomodulation by Mesenchymal Stem Cells
Mesenchymal stem cells (MSCs) are pluripotent stromal cells that have the potential to give rise to cells of diverse lineages. Interestingly, MSCs can be found in virtually all postnatal tissues. The main criteria currently used to characterize and identify these cells are the capacity for self-renewal and differentiation into tissues of mesodermal origin, combined with a lack in expression of ...
متن کاملMessenger selection by bacterial ribosomes.
The counterpart of Escherichia coli initiation factor 3(IF-3) was isolated from Caulobacter crescentus, purified to homogeneity, and used in comparative studies on in vitro translation of RNA from the C. crescentus RNA phage Cb5 and of coliphage MS2 RNA. The two phage RNAs are similar in physical properties and analogous in genetic content. The factor, C-IF-3, substitutes for E. coli IF-3 and p...
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ژورنال
عنوان ژورنال: Memórias do Instituto Oswaldo Cruz
سال: 1987
ISSN: 0074-0276
DOI: 10.1590/s0074-02761987000600025