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Tsai ET, Peng SY, Wu YR, Lin TC, Chen CY, Liu YH, Tseng YH, Hsiao YJ, Tseng HC, Lai WY, Lin YY, Yang YP, Chiou SH, Chen SP, Chien Y. HLA-Homozygous iPSC-Derived Mesenchymal Stem Cells Rescue Rotenone-Induced Experimental Leber's Hereditary Optic Neuropathy-like Models In Vitro and In Vivo. Cells 2023; 12:2617. [PMID: 37998352 PMCID: PMC10670753 DOI: 10.3390/cells12222617] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2023] [Revised: 11/02/2023] [Accepted: 11/07/2023] [Indexed: 11/25/2023] Open
Abstract
BACKGROUND Mesenchymal stem cells (MSCs) hold promise for cell-based therapy, yet the sourcing, quality, and invasive methods of MSCs impede their mass production and quality control. Induced pluripotent stem cell (iPSC)-derived MSCs (iMSCs) can be infinitely expanded, providing advantages over conventional MSCs in terms of meeting unmet clinical demands. METHODS The potential of MSC therapy for Leber's hereditary optic neuropathy (LHON) remains uncertain. In this study, we used HLA-homozygous induced pluripotent stem cells to generate iMSCs using a defined protocol, and we examined their therapeutic potential in rotenone-induced LHON-like models in vitro and in vivo. RESULTS The iMSCs did not cause any tumorigenic incidence or inflammation-related lesions after intravitreal transplantation, and they remained viable for at least nine days in the mouse recipient's eyes. In addition, iMSCs exhibited significant efficacy in safeguarding retinal ganglion cells (RGCs) from rotenone-induced cytotoxicity in vitro, and they ameliorated CGL+IPL layer thinning and RGC loss in vivo. Optical coherence tomography (OCT) and an electroretinogram demonstrated that iMSCs not only prevented RGC loss and impairments to the retinal architecture, but they also improved retinal electrophysiology performance. CONCLUSION The generation of iMSCs via the HLA homozygosity of iPSCs offers a compelling avenue for overcoming the current limitations of MSC-based therapies. The results underscore the potential of iMSCs when addressing retinal disorders, and they highlight their clinical significance, offering renewed hope for individuals affected by LHON and other inherited retinal conditions.
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Affiliation(s)
- En-Tung Tsai
- Institute of Clinical Medicine, School of Medicine, National Yang Ming Chiao Tung University, Taipei 112201, Taiwan; (E.-T.T.)
- Department of Medical Research, Taipei Veterans General Hospital, Taipei 112201, Taiwan; (S.-Y.P.); (Y.-R.W.); (Y.-H.L.); (Y.-J.H.); (Y.-Y.L.); (Y.-P.Y.)
| | - Shih-Yuan Peng
- Department of Medical Research, Taipei Veterans General Hospital, Taipei 112201, Taiwan; (S.-Y.P.); (Y.-R.W.); (Y.-H.L.); (Y.-J.H.); (Y.-Y.L.); (Y.-P.Y.)
| | - You-Ren Wu
- Department of Medical Research, Taipei Veterans General Hospital, Taipei 112201, Taiwan; (S.-Y.P.); (Y.-R.W.); (Y.-H.L.); (Y.-J.H.); (Y.-Y.L.); (Y.-P.Y.)
- Institute of Pharmacology, College of Medicine, National Yang Ming Chiao Tung University, Taipei 112304, Taiwan
| | - Tai-Chi Lin
- Department of Medical Research, Taipei Veterans General Hospital, Taipei 112201, Taiwan; (S.-Y.P.); (Y.-R.W.); (Y.-H.L.); (Y.-J.H.); (Y.-Y.L.); (Y.-P.Y.)
- School of Medicine, College of Medicine, National Yang Ming Chiao Tung University, Taipei 112304, Taiwan
- Department of Ophthalmology, Taipei Veterans General Hospital, Taipei 112201, Taiwan
| | - Chih-Ying Chen
- Department of Medical Research, Taipei Veterans General Hospital, Taipei 112201, Taiwan; (S.-Y.P.); (Y.-R.W.); (Y.-H.L.); (Y.-J.H.); (Y.-Y.L.); (Y.-P.Y.)
| | - Yu-Hao Liu
- Department of Medical Research, Taipei Veterans General Hospital, Taipei 112201, Taiwan; (S.-Y.P.); (Y.-R.W.); (Y.-H.L.); (Y.-J.H.); (Y.-Y.L.); (Y.-P.Y.)
| | - Yu-Hsin Tseng
- Department of Medical Research, Taipei Veterans General Hospital, Taipei 112201, Taiwan; (S.-Y.P.); (Y.-R.W.); (Y.-H.L.); (Y.-J.H.); (Y.-Y.L.); (Y.-P.Y.)
| | - Yu-Jer Hsiao
- Department of Medical Research, Taipei Veterans General Hospital, Taipei 112201, Taiwan; (S.-Y.P.); (Y.-R.W.); (Y.-H.L.); (Y.-J.H.); (Y.-Y.L.); (Y.-P.Y.)
- Department of Ophthalmology, Taipei Veterans General Hospital, Taipei 112201, Taiwan
| | - Huan-Chin Tseng
- Department of Medical Research, Taipei Veterans General Hospital, Taipei 112201, Taiwan; (S.-Y.P.); (Y.-R.W.); (Y.-H.L.); (Y.-J.H.); (Y.-Y.L.); (Y.-P.Y.)
| | - Wei-Yi Lai
- Department of Medical Research, Taipei Veterans General Hospital, Taipei 112201, Taiwan; (S.-Y.P.); (Y.-R.W.); (Y.-H.L.); (Y.-J.H.); (Y.-Y.L.); (Y.-P.Y.)
| | - Yi-Ying Lin
- Department of Medical Research, Taipei Veterans General Hospital, Taipei 112201, Taiwan; (S.-Y.P.); (Y.-R.W.); (Y.-H.L.); (Y.-J.H.); (Y.-Y.L.); (Y.-P.Y.)
| | - Yi-Ping Yang
- Department of Medical Research, Taipei Veterans General Hospital, Taipei 112201, Taiwan; (S.-Y.P.); (Y.-R.W.); (Y.-H.L.); (Y.-J.H.); (Y.-Y.L.); (Y.-P.Y.)
| | - Shih-Hwa Chiou
- Institute of Clinical Medicine, School of Medicine, National Yang Ming Chiao Tung University, Taipei 112201, Taiwan; (E.-T.T.)
- Department of Medical Research, Taipei Veterans General Hospital, Taipei 112201, Taiwan; (S.-Y.P.); (Y.-R.W.); (Y.-H.L.); (Y.-J.H.); (Y.-Y.L.); (Y.-P.Y.)
- Institute of Pharmacology, College of Medicine, National Yang Ming Chiao Tung University, Taipei 112304, Taiwan
- Department of Ophthalmology, Taipei Veterans General Hospital, Taipei 112201, Taiwan
- Genomic Research Center, Academia Sinica, Taipei 115024, Taiwan
| | - Shih-Pin Chen
- Institute of Clinical Medicine, School of Medicine, National Yang Ming Chiao Tung University, Taipei 112201, Taiwan; (E.-T.T.)
- Department of Medical Research, Taipei Veterans General Hospital, Taipei 112201, Taiwan; (S.-Y.P.); (Y.-R.W.); (Y.-H.L.); (Y.-J.H.); (Y.-Y.L.); (Y.-P.Y.)
- School of Medicine, College of Medicine, National Yang Ming Chiao Tung University, Taipei 112304, Taiwan
- Department of Neurology, Neurological Institute, Taipei Veterans General Hospital, Taipei 112201, Taiwan
| | - Yueh Chien
- Department of Medical Research, Taipei Veterans General Hospital, Taipei 112201, Taiwan; (S.-Y.P.); (Y.-R.W.); (Y.-H.L.); (Y.-J.H.); (Y.-Y.L.); (Y.-P.Y.)
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Abstract
Pulmonary diseases are main causes of morbidity and mortality worldwide. Current studies show that though specific pulmonary diseases and correlative lung-metabolic deviance own unique pathophysiology and clinical manifestations, they always tend to exhibit common characteristics including reactive oxygen species (ROS) signaling and disruptions of proteostasis bringing about accumulation of unfolded or misfolded proteins in the endoplasmic reticulum (ER). ER is generated by the unfolded protein response. When the adaptive unfolded protein response (UPR) fails to preserve ER homeostasis, a maladaptive or terminal UPR is engaged, leading to the disruption of ER integrity and to apoptosis, which is called ER stress. The ER stress mainly includes the accumulation of misfolded and unfolded proteins in lumen and the disorder of Ca2+ balance. ROS mediates several critical aspects of the ER stress response. We summarize the latest advances in of the UPR and ER stress in the pathogenesis of pulmonary disease and discuss potential therapeutic strategies aimed at restoring ER proteostasis in pulmonary disease.
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Affiliation(s)
- Xiangning Cui
- Department of Cardiovascular, Guang'anmen Hospital, China Academy of Chinese Medical Sciences, Beijing, China
| | - Yang Zhang
- First Clinical Medical School, Shandong University of Traditional Chinese Medicine, Jinan, China
| | - Yingdong Lu
- Department of Cardiovascular, Guang'anmen Hospital, China Academy of Chinese Medical Sciences, Beijing, China
| | - Mi Xiang
- Department of Cardiovascular, Guang'anmen Hospital, China Academy of Chinese Medical Sciences, Beijing, China
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Huang Y, Yuan M, Duan F, Yang Y, Lou B, Lin X. Inhibition of endoplasmic reticulum stress by 4-phenylbutyrate alleviates retinal inflammation and the apoptosis of retinal ganglion cells after ocular alkali burn in mice. Inflamm Res 2022; 71:577-590. [PMID: 35415762 DOI: 10.1007/s00011-022-01565-3] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2021] [Revised: 02/28/2022] [Accepted: 03/19/2022] [Indexed: 12/29/2022] Open
Abstract
OBJECTIVE Retinal ganglion cell (RGC) apoptosis is one of the most severe complications that causes permanent visual impairment following ocular alkali burn (OAB). Currently, very few treatment options exist for this condition. This study was conducted to determine the effect of 4-phenylbutyric acid (4-PBA) on endoplasmic reticulum (ER) stress after OAB using a well-established OAB mouse model. METHODS Ocular alkali burn was induced in C57BL/6 mouse corneas using 1 M NaOH. 4-PBA (10 mg/kg; 250 μL per injection) or saline (250 μL per injection) was injected intraperitoneally once per day for 3 days before the establishment of the OAB model. The apoptosis of retinal ganglion cells (RGCs) was assessed by terminal deoxynucleotidyl transferase-mediated dUTP nick end labeling (TUNEL) assay, and the histological damage was examined by hematoxylin and eosin and immunofluorescence assay on retinal flat mounts. The key inflammatory response and the expression of ER stress-related markers in the retinal tissues were assessed by real-time PCR, western blotting and histologic analyses. RESULTS 4-PBA significantly alleviated the apoptosis of RGCs and prevented the structural damage of the retina, as determined by the evaluation of RGC density and retinal thickness. Inhibition of ER stress by 4-PBA decreased the expression of vital proinflammatory cytokines, tumor necrosis factor alpha, and interleukin-1 beta; and suppressed the activation of retinal microglial cells and nuclear factor-kappa B (NF-κB). 4-PBA reduced the expression of the ER stress molecules, glucose-regulated protein 78, activated transcription factor 6, inositol-requiring enzyme-1 (IRE1), X-box-binding protein 1 splicing, and CCAAT/enhancer-binding protein homologous protein, in the retinal tissues and RGCs of OAB mice. CONCLUSIONS The present study demonstrated that the inhibition of ER stress by 4-PBA alleviates the inflammatory response via the IRE1/NF-κB signaling pathway and protects the retina and RGCs from injury in an OAB mouse model. Such findings further suggest that 4-PBA might have potential therapeutic implications for OAB treatment.
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Affiliation(s)
- Yanqiao Huang
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-Sen University, Guangzhou, 510060, China
| | - Miner Yuan
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-Sen University, Guangzhou, 510060, China
| | - Fang Duan
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-Sen University, Guangzhou, 510060, China
| | - Yao Yang
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-Sen University, Guangzhou, 510060, China
| | - Bingsheng Lou
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-Sen University, Guangzhou, 510060, China
| | - Xiaofeng Lin
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-Sen University, Guangzhou, 510060, China.
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Yang YP, Chang YL, Lai YH, Tsai PH, Hsiao YJ, Nguyen LH, Lim XZ, Weng CC, Ko YL, Yang CH, Hwang DK, Chen SJ, Chiou SH, Chiou GY, Wang AG, Chien Y. Retinal Circular RNA hsa_circ_0087207 Expression Promotes Apoptotic Cell Death in Induced Pluripotent Stem Cell-Derived Leber’s Hereditary Optic Neuropathy-like Models. Biomedicines 2022; 10:biomedicines10040788. [PMID: 35453537 PMCID: PMC9027941 DOI: 10.3390/biomedicines10040788] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2022] [Revised: 03/22/2022] [Accepted: 03/24/2022] [Indexed: 02/01/2023] Open
Abstract
Backgrounds: Leber’s hereditary optic neuropathy (LHON) is known as an inherited retinal disorder characterized by the bilateral central vision loss and degeneration of retinal ganglion cells (RGCs). Unaffected LHON carriers are generally asymptomatic, suggesting that certain factors may contribute to the disease manifestations between carriers and patients who carry the same mutated genotypes. Methods: We first aimed to establish the iPSC-differentiated RGCs from the normal healthy subject, the carrier, and the LHON patient and then compared the differential expression profile of circular RNAs (CircRNAs) among RGCs from these donors in vitro. We further overexpressed or knocked down the most upregulated circRNA to examine whether this circRNA contributes to the distinct phenotypic manifestations between the carrier- and patient-derived RGCs. Results: iPSCs were generated from the peripheral blood cells from the healthy subject, the carrier, and the LHON patient and successfully differentiated into RGCs. These RGCs carried equivalent intracellular reactive oxygen species, but only LHON-patient iPSC-derived RGCs exhibited remarkable apoptosis. Next-generation sequencing and quantitative real-time PCR revealed the circRNA hsa_circ_0087207 as the most upregulated circRNA in LHON-patient iPSC-derived RGCs. Overexpression of hsa_circ_0087207 increased the apoptosis in carrier iPSC-derived RGCs, while knockdown of hsa_circ_0087207 attenuated the apoptosis in LHON-patient iPSC-derived RGCs. Predicted by bioinformatics approaches, hsa_circ_0087207 acts as the sponge of miR-665 to induce the expression of a variety of apoptosis-related genes in LHON patient iPSC-derived RGCs. Conclusions: Our data indicated that hsa_circ_0087207 upregulation distinguishes the disease phenotype manifestations between iPSC-derived RGCs generated from the LHON patient and carrier. Targeting the hsa_circ_0087207/miR-665 axis might hold therapeutic promises for the treatment of LHON.
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Affiliation(s)
- Yi-Ping Yang
- Department of Medical Research, Taipei Veteran General Hospital, Taipei 11217, Taiwan; (Y.-P.Y.); (Y.-H.L.); (P.-H.T.); (Y.-J.H.); (L.H.N.); (X.-Z.L.); (Y.-L.K.); (S.-H.C.)
- Institute of Food Safety and Health Risk Assessment, School of Pharmaceutical Sciences, National Yang Ming Chiao Tung University, Taipei 11217, Taiwan
- School of Medicine, National Yang-Ming Chiao Tung University, Taipei 11217, Taiwan; (D.-K.H.); (S.-J.C.); (A.-G.W.)
| | - Yuh-Lih Chang
- Department of Pharmacy, Taipei Veterans General Hospital, Taipei 11217, Taiwan;
- Department of Pharmacy, National Yang Ming Chiao Tung University, Taipei 11217, Taiwan
| | - Yun-Hsien Lai
- Department of Medical Research, Taipei Veteran General Hospital, Taipei 11217, Taiwan; (Y.-P.Y.); (Y.-H.L.); (P.-H.T.); (Y.-J.H.); (L.H.N.); (X.-Z.L.); (Y.-L.K.); (S.-H.C.)
- Institute of Pharmacology, College of Medicine, National Yang Ming Chiao Tung University, Taipei 11217, Taiwan
| | - Ping-Hsing Tsai
- Department of Medical Research, Taipei Veteran General Hospital, Taipei 11217, Taiwan; (Y.-P.Y.); (Y.-H.L.); (P.-H.T.); (Y.-J.H.); (L.H.N.); (X.-Z.L.); (Y.-L.K.); (S.-H.C.)
- Institute of Pharmacology, College of Medicine, National Yang Ming Chiao Tung University, Taipei 11217, Taiwan
| | - Yu-Jer Hsiao
- Department of Medical Research, Taipei Veteran General Hospital, Taipei 11217, Taiwan; (Y.-P.Y.); (Y.-H.L.); (P.-H.T.); (Y.-J.H.); (L.H.N.); (X.-Z.L.); (Y.-L.K.); (S.-H.C.)
- School of Medicine, National Yang-Ming Chiao Tung University, Taipei 11217, Taiwan; (D.-K.H.); (S.-J.C.); (A.-G.W.)
| | - Long Hoang Nguyen
- Department of Medical Research, Taipei Veteran General Hospital, Taipei 11217, Taiwan; (Y.-P.Y.); (Y.-H.L.); (P.-H.T.); (Y.-J.H.); (L.H.N.); (X.-Z.L.); (Y.-L.K.); (S.-H.C.)
- Institute of Pharmacology, College of Medicine, National Yang Ming Chiao Tung University, Taipei 11217, Taiwan
- Department of Basic Medical Sciences, Hanoi University of Pharmacy, Hanoi 100000, Vietnam
| | - Xue-Zhen Lim
- Department of Medical Research, Taipei Veteran General Hospital, Taipei 11217, Taiwan; (Y.-P.Y.); (Y.-H.L.); (P.-H.T.); (Y.-J.H.); (L.H.N.); (X.-Z.L.); (Y.-L.K.); (S.-H.C.)
- Institute of Pharmacology, College of Medicine, National Yang Ming Chiao Tung University, Taipei 11217, Taiwan
| | - Chang-Chi Weng
- Department of Ophthalmology, Taipei Veterans General Hospital, Taipei 11217, Taiwan;
| | - Yu-Ling Ko
- Department of Medical Research, Taipei Veteran General Hospital, Taipei 11217, Taiwan; (Y.-P.Y.); (Y.-H.L.); (P.-H.T.); (Y.-J.H.); (L.H.N.); (X.-Z.L.); (Y.-L.K.); (S.-H.C.)
| | - Chang-Hao Yang
- Department of Ophthalmology, National Taiwan University Hospital, Taipei 10002, Taiwan;
- Department of Ophthalmology, College of Medicine, National Taiwan University, Taipei 11217, Taiwan
| | - De-Kuang Hwang
- School of Medicine, National Yang-Ming Chiao Tung University, Taipei 11217, Taiwan; (D.-K.H.); (S.-J.C.); (A.-G.W.)
- Department of Ophthalmology, Taipei Veterans General Hospital, Taipei 11217, Taiwan;
| | - Shih-Jen Chen
- School of Medicine, National Yang-Ming Chiao Tung University, Taipei 11217, Taiwan; (D.-K.H.); (S.-J.C.); (A.-G.W.)
- Department of Ophthalmology, Taipei Veterans General Hospital, Taipei 11217, Taiwan;
| | - Shih-Hwa Chiou
- Department of Medical Research, Taipei Veteran General Hospital, Taipei 11217, Taiwan; (Y.-P.Y.); (Y.-H.L.); (P.-H.T.); (Y.-J.H.); (L.H.N.); (X.-Z.L.); (Y.-L.K.); (S.-H.C.)
- School of Medicine, National Yang-Ming Chiao Tung University, Taipei 11217, Taiwan; (D.-K.H.); (S.-J.C.); (A.-G.W.)
- Institute of Pharmacology, College of Medicine, National Yang Ming Chiao Tung University, Taipei 11217, Taiwan
- Department of Ophthalmology, Taipei Veterans General Hospital, Taipei 11217, Taiwan;
- Genomic Research Center, Academia Sinica, Taipei 11217, Taiwan
| | - Guang-Yuh Chiou
- Department of Biological Science and Technology, College of Biological Science and Technology, National Yang Ming Chiao Tung University, Hsinchu 300093, Taiwan
- Correspondence: (G.-Y.C.); (Y.C.)
| | - An-Guor Wang
- School of Medicine, National Yang-Ming Chiao Tung University, Taipei 11217, Taiwan; (D.-K.H.); (S.-J.C.); (A.-G.W.)
- Department of Ophthalmology, Taipei Veterans General Hospital, Taipei 11217, Taiwan;
| | - Yueh Chien
- Department of Medical Research, Taipei Veteran General Hospital, Taipei 11217, Taiwan; (Y.-P.Y.); (Y.-H.L.); (P.-H.T.); (Y.-J.H.); (L.H.N.); (X.-Z.L.); (Y.-L.K.); (S.-H.C.)
- School of Medicine, National Yang-Ming Chiao Tung University, Taipei 11217, Taiwan; (D.-K.H.); (S.-J.C.); (A.-G.W.)
- Correspondence: (G.-Y.C.); (Y.C.)
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