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Ovalbumin Induced Allergic Rhinitis and Development of Prediabetes to Rats: Possible Role of Th2 Cytokines

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Diabetes is known to be regulated by cytokines secreted from Th1 cells, while allergic rhinitis (AR) is mainly regulated by Th2 cytokines. In recent past we have reported the development of diabetes in response to parthinium induced AR to rats. These results were contradictory to Th1/Th2 paradigm which suggests that Th1 and Th2 cells reciprocally counteract each other. Subsequently in silico interactome analysis further revealed that Th2 cytokines may signal to increase the level of Th1 along with the proteins involved in the development of diabetes. In present study we tried to understand the diabetogenic changes on the background of ovalbumin induced allergic rhinitis (OVA). Three groups of seven rats were considered; group I control (Ctrl); group II OVA and group III OVA+L-cetrizine (OVA+ D). The study continued for 48 days and the experiment was terminated on day 49, while L-cetrizine was administered for last 07 days (42-48 days). Group II showed increased levels of Th1 (IL-2) and Th2 cytokines, induction of allergic rhinitis and changes in the proteins involved in diabetes. In group III, most of the changes were reverted back towards normalcy. Induction of allergic rhinitis triggers Th2 cytokines that result increase IL-2 (Th1) and alterations in the metabolic parameters led to the condition of prediabetes.
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Keywords: Allergic rhinitis; L-cetrizine; diabetes; ovalbumin

Document Type: Research Article

Publication date: June 1, 2013

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  • Inflammation & Allergy - Drug Targets aims to cover all the latest and outstanding developments on the medicinal chemistry, pharmacology, molecular biology, genomics and biochemistry of contemporary molecular targets involved in inflammation and allergy e.g. disease specific proteins, receptors, enzymes, genes. Each issue of the journal contains a series of timely in-depth reviews written by leaders in the field covering a range of current topics on drug targets involved in inflammation and allergy. As the discovery, identification, characterization and validation of novel human drug targets for anti-inflammation and allergy drug discovery continues to grow, this journal has become essential reading for all pharmaceutical scientists involved in drug discovery and development.
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