Epiregulin, epigen and betacellulin antibodies and axial elongation in young guinea pigs with lens-induced myopization

To examine an effect of intravitreally applied antibodies against epidermal growth factor family members, namely epiregulin, epigen and betacellulin, on ocular axial elongation. The experimental study included 30 guinea pigs (age:3-4 weeks) which underwent bilateral lens-induced myopization and rece...

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Hauptverfasser: Dong, Li (VerfasserIn) , Zhang, Rui-Heng (VerfasserIn) , Zhou, Wen-Da (VerfasserIn) , Li, Yi-Fan (VerfasserIn) , Li, He-Yan (VerfasserIn) , Wu, Hao-Tian (VerfasserIn) , Shi, Xu-Han (VerfasserIn) , Jonas, Jost B. (VerfasserIn) , Wei, Wen-Bin (VerfasserIn)
Dokumenttyp: Article (Journal)
Sprache:Englisch
Veröffentlicht: 27 April 2022
In: BMC ophthalmology
Year: 2022, Jahrgang: 22, Pages: 1-9
ISSN:1471-2415
DOI:10.1186/s12886-022-02417-8
Online-Zugang:Verlag, kostenfrei, Volltext: https://doi.org/10.1186/s12886-022-02417-8
Verlag, kostenfrei, Volltext: http://bmcophthalmol.biomedcentral.com/articles/10.1186/s12886-022-02417-8
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Verfasserangaben:Li Dong, Rui-Heng Zhang, Wen-Da Zhou, Yi-Fan Li, He-Yan Li, Hao-Tian Wu, Xu-Han Shi, Jost B. Jonas and Wen-Bin Wei

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520 |a To examine an effect of intravitreally applied antibodies against epidermal growth factor family members, namely epiregulin, epigen and betacellulin, on ocular axial elongation. The experimental study included 30 guinea pigs (age:3-4 weeks) which underwent bilateral lens-induced myopization and received three intraocular injections of 20 µg of epiregulin antibody, epigen antibody and betacellulin antibody in weekly intervals into their right eyes, and of phosphate-buffered saline into their left eyes. Seven days after the last injection, the animals were sacrificed. Axial length was measured by sonographic biometry. At baseline, right eyes and left eyes did not differ (all P > 0.10) in axial length in neither group, nor did the interocular difference in axial length vary between the groups (P = 0.19). During the study period, right and left eyes elongated (P < 0.001) from 8.08 ± 0.07 mm to 8.59 ± 0.06 mm and from 8.08 ± 0.07 mm to 8.66 ± 0.07 mm, respectively. The interocular difference (left eye minus right eye) in axial elongation increased significantly in all three groups (epiregulin-antibody:from 0.03 ± 0.06 mm at one week after baseline to 0.16 ± 0.08 mm at three weeks after baseline;P = 0.001); epigen-antibody group:from -0.01 ± 0.06 mm to 0.06 ± 0.08 mm;P = 0.02; betacellulin antibody group:from -0.05 ± 0.05 mm to 0.02 ± 0.04 mm;P = 0.004). Correspondingly, interocular difference in axial length increased from -0.02 ± 0.04 mm to 0.13 ± 0.06 mm in the epiregulin-antibody group (P < 0.001), and from 0.01 ± 0.05 mm to 0.07 ± 0.05 mm in the epigen-antibody group (P = 0.045). In the betacellulin-antibody group the increase (0.01 ± 0.04 mm to 0.03 ± 0.03 mm) was not significant (P = 0.24). The EGF family members epiregulin, epigen and betacellulin may be associated with axial elongation in young guinea pigs, with the effect decreasing from epiregulin to epigen and to betacellulin. 
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