Journal
JOURNAL OF ADVANCED PHARMACEUTICAL TECHNOLOGY & RESEARCH
Volume 12, Issue 2, Pages 109-112Publisher
WOLTERS KLUWER MEDKNOW PUBLICATIONS
DOI: 10.4103/japtr.JAPTR_262_20
Keywords
Animal models; edema profile; egg white; histological change; inflammation
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Funding
- Poltekkes Kemenkes Manado by Risbinakes 2020 scheme
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This study investigated the use of egg white as an inflammatory inductor in animal models, showing that it could induce rat paw inflammation with edema formation starting in the 1st hour and reaching peaks in the 2nd hour. The presence of leukocyte cells in the inflamed paw tissues suggests that egg white has the potential to be used as an edema inductor for evaluating anti-inflammatory drugs or natural products.
The egg white was used to induce rat paw inflammation, with inadequate references to explain its mechanism. It's contained protein was identified as an allergen was suspected to trigger an inflammatory reaction. This research was aimed to evaluate the use of egg white as an inflammatory inductor in inflammation animal models through edema profile and histological change. Male Wistar rats were divided into three groups, which were given lambda-carrageenan, fresh takes of the hen's egg white, and sterile saline solution. Edema was induced by subcutaneous injection of 0.1 ml of lambda-carrageenan (1%), egg white, and sterile saline solution as the control in the hind paw of rats. Paw volume was measured before and then at 1, 2, 3, 4, 5, 6, and 24 h after the inductor injection. Paw tissue was taken for evaluation of rats' paw histological change. The data were analyzed by one-way ANOVA followed by LSD test. The results of the study showed that the egg white could induce rat paw inflammation. Edema formation began in the 1st h and reached the peaks in the 2nd h after the subcutaneous injection of egg white. A number of leukocyte cells were also found in the inflamed paw tissues. Egg white was potential as an edema inductor for animal models of inflammation for the evaluation of new drugs or natural product with anti-inflammation activity.
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