機械牽拉與前列腺素 E<sub>2</sub> 聯合作用下調圓錐角膜成纖維細胞賴氨酰氧化酶家族基因表達 _Journal of Biomedical Engineering

Authors：

LAN Weiwei ¹ ,  LI Xiaona ¹ , CHEN Weiyi ¹ , LIU Chen ¹ , RONG Shuo ¹ , HE Rui ²

1. Collage of Mechanics, Taiyuan University of Technology, Taiyuan 030024, P.R.China;
2. Department of Excimer Laser, Shanxi Eye Hospital, Taiyuan 030002, P.R.China;

Corresponding?author：

LI Xiaona, Email: lixiaona@tyut.edu.cn

Keywords：

corneal fibroblasts; keratoconus; mechanical stretch; prostaglandin E₂; lysyl oxidases

DOI：

10.7507/1001-5515.201608052

Video：

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In order to investigate the effects of mechanical stretching combined with prostaglandin E₂ (PGE₂) on the gene expression of lysyl oxidases (LOXs) in keratoconus, we treated cultured corneal fibroblasts from healthy human cornea and keratoconus patient cornea with PGE₂ and/or cyclic stretch (12% elongation, 0.1 Hz, 12 h). Real-time fluorescent quantitative polymerase chain reaction was used to detect the gene expression of LOXs. The results showed that the gene expression of LOXs in keratoconus group was significantly lower than that in the healthy one. Compared to the static control group, 12% stretching alone up-regulated gene expression of LOXL-2, LOXL-4 in the healthy group, whereas it down-regulated LOXL-3, LOXL-4 in the keratoconus group. Combination of 12% stretching and PEG₂ induced LOXL-4 down-regulation in in healthy group, and all LOXs except LOXL-1 in keratoconus group. The results suggested that combination of mechanical stretching and PGE₂ down-regulate the gene expression of LOXs in keratoconus. Lower LOXs expression may lead to impaired cross-linking, and thus to a loss of cohesion between collagen fibrils, affecting corneal structural stability by collagen lamellae slippage. This may facilitate the development of keratoconus. Exploring the effects of mechanical stretching and inflammatory factor on the expression LOXs in this paper will help us to understand the possible mechanism of how the keratoconus occurs and develops well, and provide the reference for the prevention and treatment of keratoconus.

Citation： LAN Weiwei, LI Xiaona, CHEN Weiyi, LIU Chen, RONG Shuo, HE Rui. 機械牽拉與前列腺素 E₂ 聯合作用下調圓錐角膜成纖維細胞賴氨酰氧化酶家族基因表達 . Journal of Biomedical Engineering, 2017, 34(2): 239-245. doi: 10.7507/1001-5515.201608052 Copy

1.	Gordon-Shaag A, Millodot M, Shneor E, et al. The genetic and environmental factors for keratoconus. Biomed Res Int, 2015, 795738: 1-19.
2.	Chen Xi, Greenaway F T. Identification of the disulfide bonds of lysyl oxidase. J Neural Transm, 2011, 118(7, SI): 1111-1114.
3.	胡玲玲, 湯其群, 黃海艷. 賴氨酰氧化酶的結構和功能. 生命的化學, 2009, 29(2): 291-294.
4.	Akhtar S, Bron A J, Salvi S M, et al. Ultrastructural analysis of collagen fibrils and proteoglycans in keratoconus. Acta Ophthalmol, 2008, 86(7): 764-772.
5.	Shore R C, Moxham B J, Berkovitz B B. Ultrastructural analysis of collagen fibrils and proteoglycans in keratoconus. Connect Tissue Res, 1984, 12(3/4): 249-255.
6.	Farzaneh H L, Ramin S, Validad M H, Association of Lysyl oxidase(LOX) polymorphisms with the risk of keratoconus in an iranian population. Ophthalmic Genet, 2015, 36(4): 309-314.
7.	Dudakova L, Liskova P, Trojek T, et al. Changes in lysyl oxidase(lox)distribution and its decreased activity in keratoconus corneas. Exp Eye Res, 2012, 104(8): 74-81.
8.	Dudakova L, Sasaki T, Liskova P, et al. The presence of lysyl oxidase-like enzymes in human control and keratoconic corneas. Histol Histopathol, 2016, 31(1): 63-71.
9.	Shetty R, Sathyanarayanamoorthy A, Ramachandra R A, et al. Attenuation of lysyl oxidase and collagen gene expression in keratoconus patient corneal epithelium corresponds to disease severity. Mol Vis, 2015, 21: 12-25.
10.	劉成星, 馮鵬飛, 李曉娜, 等. 機械牽張對兔角膜成纖維細胞細胞外基質基因表達的影響. 醫用生物力學, 2014, 29(5): 447-453, 458.
11.	Liu Chengxing, Feng Pengfei, Li Xiaona, et al. Expression of MMP-2, MT1-MMP, and TIMP-2 by cultured rabbit corneal fibroblasts under mechanical stretch. Exp Biol Med, 2014, 239(8): 907-912.
12.	FENG Pengfei, LI Xiaona, CHEN Weiyi, et al. Combined effects of interleukin-1β and cyclic stretching on metalloproteinase expression in corneal fibroblasts in vitro. Biomed Eng Online, 2016, 15(1): 1-10.
13.	Wisse R P, Kuiper J J, Gans R, et al. Cytokine expression in keratoconus and its corneal microenvironment: a systematic review. Ocul Surf, 2015, 13(4): 272-283.
14.	Mcmonnies C W. Inflammation and keratoconus.Optom Vis Sci, 2015, 92(2): e35-e41.
15.	Bureau J, Fabre E J, Hecquet C, et al. Modification of prostaglandin-e2 and collagen-synthesis in keratoconus fibroblasts, associated with an increase of interleukin-1-alpha receptor number. C R Acad Sci III, 1993, 316(4): 425-430.
16.	Voloshenyuk T G, Hart A D, Khoutorova E A. TNF-alpha increases cardiac fibroblast lysyl oxidase expression through TGF-β and PI3Kinase signaling pathways. Biochem Biophys Res Commun, 2011, 413(2): 370-375.
17.	Boak A M, Roy R, Berk J, et al. Regulation of lysyl oxidase expression in lung fibroblasts by transforming growth factor-beta 1 and prostaglandin E2. Am J Respir Cell Mol Biol, 1994, 11(6): 751-755.
18.	Liu Chao, Wang Wangsheng, Sun Gang. Effects of prostaglandin E2 on lysyl oxidase-mediated collagen cross-linking in human amnion fibroblasts. Placenta, 2014, 35(9): A44-A45.
19.	陳榮富. 應力損傷和PGE2對共培養的PCL細胞和滑膜細胞中LOX家族及MMP-1、2、3表達的影響. 重慶: 重慶醫科大學, 2012.
20.	Xie Jing, Jiang Jiahuan, Zhang Yanjun, et al. Up-regulation expressions of lysyl oxidase family in Anterior Cruciate Ligament and Medial Collateral Ligament fibroblasts induced by Transforming Growth Factor-Beta 1. Int Orthop, 2012, 36(1): 207-213.
21.	Micheal S, Khan M I, Akhtar F, et al. Role of lysyl oxidaselike 1 gene polymorphisms in Pakistani patients with pseudoexfoliative glaucoma. Mol Vis, 2012, 18: 1040-1044.
22.	Coral K, Angayarkanni N, Madhavan J, et al. Lysyl oxidase activity in the ocular tissues and the role of LOX in proliferative diabetic retinopathy and rhegmatogenous retinal detachment. Invest Ophthalmol Vis Sci, 2008, 49(11): 4746-4752.
23.	Dudakova L, Jirsova K. The impairment of lysyl oxidase in keratoconus and in keratoconus-associated disorders. J Neural Transm, 2013, 120(6, SI): 977-982.
24.	Du G, Liu C, Li X, et al. Induction of matrix metalloproteinases-1 by tumor necrosis factor-α is mediated by interleukin-6 in cultured fibroblasts of keratoconus. Exp Bio Med, 2016, 241(18): 2033-2041.

1. Gordon-Shaag A, Millodot M, Shneor E, et al. The genetic and environmental factors for keratoconus. Biomed Res Int, 2015, 795738: 1-19.
2. Chen Xi, Greenaway F T. Identification of the disulfide bonds of lysyl oxidase. J Neural Transm, 2011, 118(7, SI): 1111-1114.
3. 胡玲玲, 湯其群, 黃海艷. 賴氨酰氧化酶的結構和功能. 生命的化學, 2009, 29(2): 291-294.
4. Akhtar S, Bron A J, Salvi S M, et al. Ultrastructural analysis of collagen fibrils and proteoglycans in keratoconus. Acta Ophthalmol, 2008, 86(7): 764-772.
5. Shore R C, Moxham B J, Berkovitz B B. Ultrastructural analysis of collagen fibrils and proteoglycans in keratoconus. Connect Tissue Res, 1984, 12(3/4): 249-255.
6. Farzaneh H L, Ramin S, Validad M H, Association of Lysyl oxidase(LOX) polymorphisms with the risk of keratoconus in an iranian population. Ophthalmic Genet, 2015, 36(4): 309-314.
7. Dudakova L, Liskova P, Trojek T, et al. Changes in lysyl oxidase(lox)distribution and its decreased activity in keratoconus corneas. Exp Eye Res, 2012, 104(8): 74-81.
8. Dudakova L, Sasaki T, Liskova P, et al. The presence of lysyl oxidase-like enzymes in human control and keratoconic corneas. Histol Histopathol, 2016, 31(1): 63-71.
9. Shetty R, Sathyanarayanamoorthy A, Ramachandra R A, et al. Attenuation of lysyl oxidase and collagen gene expression in keratoconus patient corneal epithelium corresponds to disease severity. Mol Vis, 2015, 21: 12-25.
10. 劉成星, 馮鵬飛, 李曉娜, 等. 機械牽張對兔角膜成纖維細胞細胞外基質基因表達的影響. 醫用生物力學, 2014, 29(5): 447-453, 458.
11. Liu Chengxing, Feng Pengfei, Li Xiaona, et al. Expression of MMP-2, MT1-MMP, and TIMP-2 by cultured rabbit corneal fibroblasts under mechanical stretch. Exp Biol Med, 2014, 239(8): 907-912.
12. FENG Pengfei, LI Xiaona, CHEN Weiyi, et al. Combined effects of interleukin-1β and cyclic stretching on metalloproteinase expression in corneal fibroblasts in vitro. Biomed Eng Online, 2016, 15(1): 1-10.
13. Wisse R P, Kuiper J J, Gans R, et al. Cytokine expression in keratoconus and its corneal microenvironment: a systematic review. Ocul Surf, 2015, 13(4): 272-283.
14. Mcmonnies C W. Inflammation and keratoconus.Optom Vis Sci, 2015, 92(2): e35-e41.
15. Bureau J, Fabre E J, Hecquet C, et al. Modification of prostaglandin-e2 and collagen-synthesis in keratoconus fibroblasts, associated with an increase of interleukin-1-alpha receptor number. C R Acad Sci III, 1993, 316(4): 425-430.
16. Voloshenyuk T G, Hart A D, Khoutorova E A. TNF-alpha increases cardiac fibroblast lysyl oxidase expression through TGF-β and PI3Kinase signaling pathways. Biochem Biophys Res Commun, 2011, 413(2): 370-375.
17. Boak A M, Roy R, Berk J, et al. Regulation of lysyl oxidase expression in lung fibroblasts by transforming growth factor-beta 1 and prostaglandin E2. Am J Respir Cell Mol Biol, 1994, 11(6): 751-755.
18. Liu Chao, Wang Wangsheng, Sun Gang. Effects of prostaglandin E2 on lysyl oxidase-mediated collagen cross-linking in human amnion fibroblasts. Placenta, 2014, 35(9): A44-A45.
19. 陳榮富. 應力損傷和PGE2對共培養的PCL細胞和滑膜細胞中LOX家族及MMP-1、2、3表達的影響. 重慶: 重慶醫科大學, 2012.
20. Xie Jing, Jiang Jiahuan, Zhang Yanjun, et al. Up-regulation expressions of lysyl oxidase family in Anterior Cruciate Ligament and Medial Collateral Ligament fibroblasts induced by Transforming Growth Factor-Beta 1. Int Orthop, 2012, 36(1): 207-213.
21. Micheal S, Khan M I, Akhtar F, et al. Role of lysyl oxidaselike 1 gene polymorphisms in Pakistani patients with pseudoexfoliative glaucoma. Mol Vis, 2012, 18: 1040-1044.
22. Coral K, Angayarkanni N, Madhavan J, et al. Lysyl oxidase activity in the ocular tissues and the role of LOX in proliferative diabetic retinopathy and rhegmatogenous retinal detachment. Invest Ophthalmol Vis Sci, 2008, 49(11): 4746-4752.
23. Dudakova L, Jirsova K. The impairment of lysyl oxidase in keratoconus and in keratoconus-associated disorders. J Neural Transm, 2013, 120(6, SI): 977-982.
24. Du G, Liu C, Li X, et al. Induction of matrix metalloproteinases-1 by tumor necrosis factor-α is mediated by interleukin-6 in cultured fibroblasts of keratoconus. Exp Bio Med, 2016, 241(18): 2033-2041.

Journal of Biomedical Engineering

機械牽拉與前列腺素 E₂ 聯合作用下調圓錐角膜成纖維細胞賴氨酰氧化酶家族基因表達

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機械牽拉與前列腺素 E₂ 聯合作用下調圓錐角膜成纖維細胞賴氨酰氧化酶家族基因表達