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Gullapalli VK, Zarbin MA. New Prospects for Retinal Pigment Epithelium Transplantation. Asia Pac J Ophthalmol (Phila) 2022; 11:302-313. [PMID: 36041145 DOI: 10.1097/apo.0000000000000521] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2021] [Accepted: 02/28/2022] [Indexed: 11/26/2022] Open
Abstract
ABSTRACT Retinal pigment epithelium (RPE) transplants rescue photoreceptors in selected animal models of retinal degenerative disease. Early clinical studies of RPE transplants as treatment for age-related macular degeneration (AMD) included autologous and allogeneic transplants of RPE suspensions and RPE sheets for atrophic and neovascular complications of AMD. Subsequent studies explored autologous RPE-Bruch membrane-choroid transplants in patients with neovascular AMD with occasional marked visual benefit, which establishes a rationale for RPE transplants in late-stage AMD. More recent work has involved transplantation of autologous and allogeneic stem cell-derived RPE for patients with AMD and those with Stargardt disease. These early-stage clinical trials have employed RPE suspensions and RPE monolayers on biocompatible scaffolds. Safety has been well documented, but evidence of efficacy is variable. Current research involves development of better scaffolds, improved modulation of immune surveillance, and modification of the extracellular milieu to improve RPE survival and integration with host retina.
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Affiliation(s)
| | - Marco A Zarbin
- Iinstitute of Ophthalmology and visual Science, Rutgers-New Jersey Medical School, Rutgers University, Newark, NJ, US
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3
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Song S, Lu R, Cheng Y, Zhang T, Gu L, Yu K, Zhou M, Li D. Developmental analysis of reconstructed embryos of second-generation cloned transgenic goats. Reprod Domest Anim 2022; 57:473-480. [PMID: 35043471 DOI: 10.1111/rda.14083] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2021] [Accepted: 01/15/2022] [Indexed: 11/30/2022]
Abstract
To improve the efficiency of the production of transgenic cloned goats by somatic cell nuclear transfer (SCNT), the development of reconstructed embryos of first-generation (G1) and second-generation (G2) cloned transgenic goats were compared and analyzed. Primary transgenic fetal fibroblasts were used as donor cells for G1 somatic cell nuclear transfer (SCNT). When the G1 transgenic embryos developed to 35 days in the recipient goats, transgenic fetal fibroblasts were isolated from them and used as donor cells for the G2 clone. In the G1 clones, the average fusion rate of reconstructed embryos was 73.62±2.9%, the average development rate (2-4 cells) was 33.96±2.36%, and the pregnancy rate of transplant recipients was 31.91%. In the G2 clones, the average fusion rate of the reconstructed embryos was 90.29±2.03%, the average development rate was 66.46±3.30%, and the pregnancy rate was 58.14%. These results indicate that in the G2 clones, the fusion rate of eggs, the development rate of reconstructed embryos, and the pregnancy rate of transplant recipients were significantly higher than those of G1 clones. We believe these results will lay a solid foundation for the efficient production of transgenic cloned animals in the future.
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Affiliation(s)
- Shaozheng Song
- Department of Basic Medicine, School of Health and Nursing, Wuxi Taihu University, Wuxi, Jiangsu, China
| | - Rui Lu
- Jiangsu Food and Pharmaceutical Science College, Huaian, Jiangsu, China
| | - Yong Cheng
- Jiangsu Provincial Research Center for Animal Transgenesis and Biopharming, College of Veterinary Medicine, Yangzhou University, Yangzhou, Jiangsu, China
| | - Ting Zhang
- Jiangsu Provincial Research Center for Animal Transgenesis and Biopharming, College of Veterinary Medicine, Yangzhou University, Yangzhou, Jiangsu, China
| | - Leying Gu
- Department of Basic Medicine, School of Health and Nursing, Wuxi Taihu University, Wuxi, Jiangsu, China
| | - Kangying Yu
- Department of Basic Medicine, School of Health and Nursing, Wuxi Taihu University, Wuxi, Jiangsu, China
| | - Mingming Zhou
- Department of Basic Medicine, School of Health and Nursing, Wuxi Taihu University, Wuxi, Jiangsu, China
| | - Dan Li
- Department of Basic Medicine, School of Health and Nursing, Wuxi Taihu University, Wuxi, Jiangsu, China
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Duan L, Wang Z, Zheng X, Li J, Yin H, Tang W, Deng D, Liu H, Wei J, Jin Y, Liu F, Shen J. Excavating the pathogenic gene of breast cancer based on high throughput data of tumor and somatic reprogramming. Cell Cycle 2021; 20:1708-1722. [PMID: 34384323 DOI: 10.1080/15384101.2021.1961410] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022] Open
Abstract
Breast cancer (BC) is one of the most common malignancies in female, and has a high mortality rate. The mechanisms of tumorigenesis and reprogramming of somatic cells have a certain degree of similarity. Here, we focus on the relationship between gene expression, signaling pathways and functions in BC compared to induced pluripotent stem cells (iPSCs). We first identified differentially expressed genes (DEGs) common to BC and iPSCs in datasets from GEO and TCGA. We found 22 DEGs that were significantly associated with clinicopathological features and prognosis by performing Kaplan-Meier survival analysis and one-way ANOVA. The results of protein mass spectrometry of tumor stem cells (Mcfips) demonstrated that the proteins encoded by 8 of these DEGs were also differentially expressed. The functional enrichment analysis showed that most of the 30 DEGs were related to collagen and chromatin functions. Our results might offer targets for future studies into the mechanisms underlying tumor occurrence and progression, and our studies could provide valuable data for both basic research and clinical applications of BC.
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Affiliation(s)
- Lian Duan
- Central Laboratory, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China.,Department of Breast Surgery, Harbin Medical University Cancer Hospital, Harbin, China
| | - Zhendong Wang
- Key Laboratory of Interventional Pulmonology of Zhejiang Province, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China
| | - Xin Zheng
- Central Laboratory, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China.,College of Life and Environmental Sciences, Wenzhou University, Chashan University Town, Wenzhou, China.,Institute of Life Sciences, Wenzhou University, Chashan University Town, Wenzhou, China
| | - Junjian Li
- Central Laboratory, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China.,College of Life and Environmental Sciences, Wenzhou University, Chashan University Town, Wenzhou, China.,Institute of Life Sciences, Wenzhou University, Chashan University Town, Wenzhou, China
| | - Huamin Yin
- Central Laboratory, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China.,College of Life and Environmental Sciences, Wenzhou University, Chashan University Town, Wenzhou, China.,Institute of Life Sciences, Wenzhou University, Chashan University Town, Wenzhou, China
| | - Weibo Tang
- College of Life and Environmental Sciences, Wenzhou University, Chashan University Town, Wenzhou, China.,Institute of Life Sciences, Wenzhou University, Chashan University Town, Wenzhou, China.,Department of Histology and Embryology, Harbin Medical University, Harbin, China
| | - Dejian Deng
- College of Life and Environmental Sciences, Wenzhou University, Chashan University Town, Wenzhou, China.,Institute of Life Sciences, Wenzhou University, Chashan University Town, Wenzhou, China.,Department of Histology and Embryology, Harbin Medical University, Harbin, China
| | - Hui Liu
- Department of Histology and Embryology, Harbin Medical University, Harbin, China
| | - Jiayu Wei
- Clinical Medicine, The Second Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Yan Jin
- Laboratory of Medical Genetics, Harbin Medical University, Harbin, China.,Key Laboratory of Medical Genetics, Harbin Medical University, Heilongjiang Higher Education Institutions, Harbin, China
| | - Feng Liu
- Department of Breast Surgery, Harbin Medical University Cancer Hospital, Harbin, China
| | - Jingling Shen
- College of Life and Environmental Sciences, Wenzhou University, Chashan University Town, Wenzhou, China.,Institute of Life Sciences, Wenzhou University, Chashan University Town, Wenzhou, China
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