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Changes of Th1/Th2 inflammatory factors in the aqueous humor of tree shrews with fusarium solani keratitis / 眼科新进展
Recent Advances in Ophthalmology ; (6): 824-827, 2017.
Article in Chinese | WPRIM | ID: wpr-607219
ABSTRACT
Objective To observe the changes of Th1 / Th2 inflammatory factors in the aqueous humor of tree shrews with fusarium solani keratitis,as well as to explore the relationship between Thl / Th2 inflammatory factors and inflammatory response in fusarium solani keratitis.Methods Forty healthy tree shrews were randomly divided into experimental group(n =30) and control group (n =10).Fusarium solani was inoculated into sabina culture medium and cultured at 26 ℃ for 7 days,and then the fungal suspension was collected and the density of spores was adjusted to 10 × 109 CFU · mL-1.In the experimental group,50 μL fungal spore suspension was injected into the center of the cornea stroma,while the control group received the same amount of saline.Next the levels of cytokines including interleukin (IL)-1 β,IL-6,IL-4 and IL-10 were analyzed by flow cytometry on day 3,day 7,day 14 after successful modeling,and the changes in types of infiltrating cells were observed by histopathological examination.Results The expression level of IL-1 β and IL-6 (Th1 type cytokines) was the highest on day 7,and the difference was statistically significant at each time point when compared with the control group (all P < 0.05).The expression level of IL-10 (Th2 type cytokines) was the highest on day 14,and the difference was statistically significant at each time point when compared with the control group (all P < 0.05).The difference in IL-4 expression was statistically significant on day 7 (P < 0.05).In addition,histopathological examination showed that the number of infiltration cell reached its peak on day 7,mainly neutrophils,and fungal hyphae were observed to be parallel to the matrix fibers at each time point.Conclusion The proinflammatory cytokines IL-1β and IL-6 and the anti-inflammatory cytokines IL-10 may play an important role in the molecular mechanism of inflammatory response of fusarium solani keratitis in tree shrews.

Full text: Available Index: WPRIM (Western Pacific) Type of study: Prognostic study Language: Chinese Journal: Recent Advances in Ophthalmology Year: 2017 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Type of study: Prognostic study Language: Chinese Journal: Recent Advances in Ophthalmology Year: 2017 Type: Article