Cellular Reprogramming and Tissue Repair

A special issue of Methods and Protocols (ISSN 2409-9279).

Deadline for manuscript submissions: closed (22 June 2022) | Viewed by 7093

Special Issue Editor

Department of Biochemistry and Molecular Genetics, School of Medicine, University of Alabama at Birmingham, Birmingham, AL 35294, USA
Interests: cellular reprogramming; pluripotent stem cells
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

In 2006, Drs. Yamanaka and Takahashi reprogrammed mouse fibroblasts into pluripotent stem cells (PSCs) via induction by overexpression of a set of four transcription factors, Oct4, Sox2, Klf4, and c-Myc. Factor-induced PSCs (iPSCs) have since been generated from human cells of different cell types, and from many other species. Factor reprogramming has generated other functional cells as well, including induced cardiomyoctyes, induced neurons, induced beta cells, and induced blood cells, among others. This new technology opens up a new field of research—cellular reprogramming. In theory, we can now convert any cell type into another cell type of interest through epigenetic reprogramming. The means of reprogramming is no longer limited to overexpression of transcription factors. Almost all approaches have been used in reprogramming, for example, protein reprogramming, mRNA reprogramming, chemical reprogramming, microRNA reprogramming, sendai viral reprogramming, episomal reprogramming, CRISPR/activator reprogramming, reprograming with replicating viral RNA, and others. Cell fate conversion can be achieved not only in vitro, but also in living animals by delivering reprogramming factors into the target tissues. Although factor reprogramming dominates the field, the conventional technology of reprogramming by somatic cell nuclear transfer (SCNT) is still a valuable tool in both biotechnology and research. For example, SCNT is still critical in the cloning of large animals such as pigs. Cellular reprogramming is a work of art, and detailed and standardized methods and protocols are needed. This issue aims at compiling various proven bench protocols in cellular reprogramming into a single volume.

Dr. Kejin Hu
Guest Editor

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Published Papers (2 papers)

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12 pages, 11144 KiB  
Article
Specificities of Scanning Electron Microscopy and Histological Methods in Assessing Cell-Engineered Construct Effectiveness for the Recovery of Hyaline Cartilage
by Mikhail S. Bozhokin, Svetlana A. Bozhkova, Aleksandr A. Rubel, Julia V. Sopova, Yulia A. Nashchekina, Natalya B. Bildyug and Mikhail G. Khotin
Methods Protoc. 2021, 4(4), 77; https://doi.org/10.3390/mps4040077 - 27 Oct 2021
Cited by 4 | Viewed by 2891
Abstract
Damage to the hyaline layer of the articular surface is an urgent problem for millions of people around the world. At present, a large number of experimental methods are being developed to address this problem, including the transplantation of a cell-engineered construct (CEC) [...] Read more.
Damage to the hyaline layer of the articular surface is an urgent problem for millions of people around the world. At present, a large number of experimental methods are being developed to address this problem, including the transplantation of a cell-engineered construct (CEC) composed of a biodegradable scaffold with a premixed cell culture into the damaged area of the articular surface. However, current methods for analyzing the effectiveness of such CECs have significant limitations. This study aimed to compare the SEM technique, classical histology, and cryosectioning for the analysis of CECs transplanted to hyaline cartilage. Full article
(This article belongs to the Special Issue Cellular Reprogramming and Tissue Repair)
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11 pages, 1481 KiB  
Protocol
Fast and Efficient Mouse Pluripotency Reprogramming Using a Chemically-Defined Medium
by Junju Huang, Xuejie Yang, Jie Wang, Haoyu Wu, Duanqing Pei and Jiekai Chen
Methods Protoc. 2022, 5(2), 28; https://doi.org/10.3390/mps5020028 - 24 Mar 2022
Viewed by 3375
Abstract
The reprogramming of somatic cells to obtain induced pluripotent stem cells (iPSCs) is an important biological and medical breakthrough, providing important applications for fields such as regenerative medicine and disease modeling. However, this promising technology is damped due to its low efficiency and [...] Read more.
The reprogramming of somatic cells to obtain induced pluripotent stem cells (iPSCs) is an important biological and medical breakthrough, providing important applications for fields such as regenerative medicine and disease modeling. However, this promising technology is damped due to its low efficiency and slow kinetics. Therefore, we generated a practical workflow to rapidly and efficiently induce iPSCs from mouse embryonic fibroblasts (MEFs) using iCD1 (iPS chemically-defined medium 1). This protocol can easily be implemented in a standard cell culture laboratory and be applied to cell fate research. Full article
(This article belongs to the Special Issue Cellular Reprogramming and Tissue Repair)
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