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11 Results Found

  • Article
  • Open Access
22 Citations
6,380 Views
20 Pages

Human Embryonic Stem Cell-Derived Retinal Pigment Epithelium-Role in Dead Cell Clearance and Inflammation

  • Mária Szatmári-Tóth,
  • Tanja Ilmarinen,
  • Alexandra Mikhailova,
  • Heli Skottman and ,
  • Anu Kauppinen,
  • Kai Kaarniranta,
  • Endre Kristóf,
  • Lyubomyr Lytvynchuk,
  • Zoltán Veréb and
  • Goran Petrovski
  • + 6 authors+ 1 author

20 February 2019

Inefficient removal of dying retinal pigment epithelial (RPE) cells by professional phagocytes can result in debris formation and development of age-related macular degeneration (AMD). Chronic oxidative stress and inflammation play an important role...

(This article belongs to the Special Issue Molecular Biology of Age-Related Macular Degeneration (AMD))
  • Article
  • Open Access
13 Citations
3,503 Views
14 Pages

25 November 2022

Purpose: Retinal pigment epithelial (RPE) cells are highly specialized neural cells with several functions essential for vision. Progressive deterioration of RPE cells in elderly individuals can result in visual impairment and, ultimately, blinding d...

(This article belongs to the Section Sensory and Motor Neuroscience)
  • Article
  • Open Access
8 Citations
4,697 Views
19 Pages

Scaffold-Free Retinal Pigment Epithelium Microtissues Exhibit Increased Release of PEDF

  • Abdullah Al-Ani,
  • Derek Toms,
  • Saud Sunba,
  • Kayla Giles and ,
  • Yacine Touahri,
  • Carol Schuurmans and
  • Mark Ungrin
  • + 2 authors+ 0 author

20 October 2021

The retinal pigmented epithelium (RPE) plays a critical role in photoreceptor survival and function. RPE deficits are implicated in a wide range of diseases that result in vision loss, including age-related macular degeneration (AMD) and Stargardt di...

(This article belongs to the Special Issue Retina Degeneration, Neuroprotection and Repair)
  • Article
  • Open Access
20 Citations
3,859 Views
14 Pages

(1) Background: We reviewed a stem cell-derived therapeutic strategy for advanced neovascular age-related macular degeneration (nAMD) using a human embryonic stem cell-derived retinal pigment epithelium (hESC-RPE) monolayer delivered on a coated, syn...

(This article belongs to the Section Medical Imaging and Theranostics)
  • Article
  • Open Access
10 Citations
4,452 Views
13 Pages

RETRACTED: Drug Flux across RPE Cell Models: The Hunt for an Appropriate Outer Blood–Retinal Barrier Model for Use in Early Drug Discovery

  • Laura Hellinen,
  • Heidi Hongisto,
  • Eva Ramsay,
  • Kai Kaarniranta and ,
  • Kati-Sisko Vellonen,
  • Heli Skottman and
  • Marika Ruponen
  • + 2 authors+ 0 author

The retinal pigment epithelial (RPE) cell monolayer forms the outer blood–retinal barrier and has a crucial role in ocular pharmacokinetics. Although several RPE cell models are available, there have been no systematic comparisons of their barrier pr...

  • Article
  • Open Access
12 Citations
8,875 Views
17 Pages

Autophagy Regulates Proteasome Inhibitor-Induced Pigmentation in Human Embryonic Stem Cell-Derived Retinal Pigment Epithelial Cells

  • Kati Juuti-Uusitalo,
  • Ali Koskela,
  • Niko Kivinen,
  • Johanna Viiri and ,
  • Juha M. T. Hyttinen,
  • Mika Reinisalo,
  • Arto Koistinen,
  • Hannu Uusitalo,
  • Debasish Sinha and
  • Kai Kaarniranta
  • + 6 authors+ 1 author

The impairment of autophagic and proteasomal cleansing together with changes in pigmentation has been documented in retinal pigment epithelial (RPE) cell degeneration. However, the function and co-operation of these mechanisms in melanosome-containin...

(This article belongs to the Special Issue Retinal Diseases: Bridging Basic and Clinical Research)
  • Review
  • Open Access
30 Citations
10,368 Views
15 Pages

8 December 2016

The field of stem cell biology has rapidly evolved in the last few decades. In the area of regenerative medicine, clinical applications using stem cells hold the potential to be a powerful tool in the treatment of a wide variety of diseases, in parti...

(This article belongs to the Special Issue Ten Years of iPSCs: Current Status and Future Perspectives)
  • Article
  • Open Access
9 Citations
6,114 Views
15 Pages

Microcarrier-Based Culture of Human Pluripotent Stem-Cell-Derived Retinal Pigmented Epithelium

  • Mohamed A. Faynus,
  • Jeffrey K. Bailey,
  • Britney O. Pennington,
  • Mika Katsura and ,
  • Duncan A. Proctor,
  • Ashley K. Yeh,
  • Sneha Menon,
  • Dylan G. Choi,
  • Jane S. Lebkowski and
  • Dennis O. Clegg
  • + 6 authors+ 1 author

Dry age-related macular degeneration (AMD) is estimated to impact nearly 300 million individuals globally by 2040. While no treatment options are currently available, multiple clinical trials investigating retinal pigmented epithelial cells derived f...

(This article belongs to the Section Regenerative Engineering)
  • Conference Report
  • Open Access
15 Citations
14,265 Views
15 Pages

Ocular Stem Cell Research from Basic Science to Clinical Application: A Report from Zhongshan Ophthalmic Center Ocular Stem Cell Symposium

  • Hong Ouyang,
  • Jeffrey L. Goldberg,
  • Shuyi Chen,
  • Wei Li and ,
  • Guo-Tong Xu,
  • Wei Li,
  • Kang Zhang,
  • Robert B. Nussenblatt,
  • Yizhi Liu and
  • Donald J. Zack
  • + 7 authors+ 2 authors

Stem cells hold promise for treating a wide variety of diseases, including degenerative disorders of the eye. The eye is an ideal organ for stem cell therapy because of its relative immunological privilege, surgical accessibility, and its being a sel...

  • Review
  • Open Access
37 Citations
8,409 Views
25 Pages

The aim of this review was to provide an update on the potential of cell therapies to restore or replace damaged and/or lost cells in retinal degenerative and optic nerve diseases, describing the available cell sources and the challenges involved in...

(This article belongs to the Special Issue Advanced Therapy Medicinal Products for Eye Diseases: Goals and Challenges)
  • Review
  • Open Access
19 Citations
10,250 Views
13 Pages

Pluripotent Stem Cells in Clinical Cell Transplantation: Focusing on Induced Pluripotent Stem Cell-Derived RPE Cell Therapy in Age-Related Macular Degeneration

  • Yi-Ping Yang,
  • Yu-Jer Hsiao,
  • Kao-Jung Chang,
  • Shania Foustine and ,
  • Yu-Ling Ko,
  • Yi-Ching Tsai,
  • Hsiao-Yun Tai,
  • Yu-Chieh Ko,
  • Shih-Hwa Chiou and
  • De-Kuang Hwang
  • + 8 authors+ 3 authors

9 November 2022

Human pluripotent stem cells (PSCs), including both embryonic stem cells (ESCs) and induced pluripotent stem cells (iPSCs), represent valuable cell sources to replace diseased or injured tissues in regenerative medicine. iPSCs exhibit the potential f...

(This article belongs to the Section Molecular Biology)