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Related Concept Videos

Methods of Nuclear Reprogramming01:24

Methods of Nuclear Reprogramming

Nuclear reprogramming is a process of transforming one cell type into an unrelated cell type by epigenetic changes that alter the cell’s original gene expression pattern. Such epigenetic changes force cells to express a different set of genes, which play a significant role in inducing transformation into other cell types. Nuclear reprogramming offers applications in reproductive cloning for livestock propagation and regenerative medicine — developing patient-specific cells for injury repair.
Somatic to iPS Cell Reprogramming01:29

Somatic to iPS Cell Reprogramming

Reprogramming alters the gene expression in somatic cells, transforming them into induced pluripotent stem (iPS) cells over several generations. Scientists can reprogram cells by introducing genes for four transcription factors—Oct4, Sox2, Klf4, and c-Myc (OSKM) by viral or non-viral methods. These factors are also known as Yamanaka factors after Shinya Yamanaka, who first generated iPS cells using mouse skin cells. Yamanaka was awarded the Nobel Prize in Physiology or Medicine in 2012 for this...
Introduction to Nuclear Reprogramming01:14

Introduction to Nuclear Reprogramming

Nuclear reprogramming is the process of switching gene expression of one cell type to that of another cell type, usually from a differentiated cell state to an undifferentiated cell state. Differentiation occurs during processes such as development and morphogenesis, tissue regeneration, and malignancy. Cells can also be artificially induced to reprogram their gene expression by techniques such as nuclear transfer, induced pluripotency, and cell fusion. Such techniques have many applications in...
Proteins: From Genes to Degradation02:11

Proteins: From Genes to Degradation

Within a biological system, the DNA encodes the RNA, and the nucleotide sequence in the RNA further defines the amino acid sequence in the protein. This is referred to as “The Central Dogma of Molecular Biology” - a term coined by Francis Crick.  Central dogma is a firm principle in biology that defines the flow of genetic information within any life form. The two fundamental steps in central dogma are - transcription and translation.
Transcription is the synthesis of RNA molecules by RNA...
Proteins: From Genes to Degradation02:11

Proteins: From Genes to Degradation

Within a biological system, the DNA encodes the RNA, and the nucleotide sequence in the RNA further defines the amino acid sequence in the protein. This is referred to as “The Central Dogma of Molecular Biology” - a term coined by Francis Crick.  Central dogma is a firm principle in biology that defines the flow of genetic information within any life form. The two fundamental steps in central dogma are - transcription and translation.
Transcription is the synthesis of RNA molecules by RNA...
What are Proteins?01:28

What are Proteins?

Proteins are polymers of amino acids linked together by peptide bonds. Proteins and polypeptides are interchangeably used to refer to long chains of amino acids. However, polypeptides have a molecular weight of fewer than 10,000 daltons, while proteins have greater molecular weight.  Polypeptides with less than 20 amino acids are called oligopeptides or simply peptides. Interactions among the constituent amino acid side chains of proteins help them fold into a stable 3-dimensional structure...

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Related Experiment Video

Updated: May 16, 2026

RNA-based Reprogramming of Human Primary Fibroblasts into Induced Pluripotent Stem Cells
11:38

RNA-based Reprogramming of Human Primary Fibroblasts into Induced Pluripotent Stem Cells

Published on: November 26, 2018

Proteins reprogramming: present and future.

Yang Yang1, Bin Liu, Jianwen Dong

  • 1Department of Spine Surgery, The Third Affiliated Hospital, Sun Yat-sen University, Guangzhou 0086-510630, China.

Thescientificworldjournal
|December 11, 2012
PubMed
Summary
This summary is machine-generated.

Protein reprogramming offers a safer alternative for generating induced pluripotent stem cells (iPSCs) by avoiding viral vectors. Further research aims to improve efficiency and understand the underlying mechanisms for broader clinical application.

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Last Updated: May 16, 2026

RNA-based Reprogramming of Human Primary Fibroblasts into Induced Pluripotent Stem Cells
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RNA-based Reprogramming of Human Primary Fibroblasts into Induced Pluripotent Stem Cells

Published on: November 26, 2018

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Reprogramming Pancreatic Ductal Adenocarcinoma to Pluripotency

Published on: February 2, 2024

Area of Science:

  • Stem cell biology
  • Regenerative medicine
  • Cellular reprogramming

Background:

  • Induced pluripotent stem cells (iPSCs) hold clinical promise due to their autologous origin and differentiation potential, avoiding immune rejection.
  • Traditional viral vector methods for iPSC generation carry risks of tumorigenesis from chromosomal mutations, limiting clinical utility.
  • Protein-based reprogramming presents a safer alternative by circumventing genetic integration risks and simplifying procedures.

Purpose of the Study:

  • To review the advancements in protein-based reprogramming for generating iPSCs.
  • To explore strategies for enhancing the efficiency of protein-mediated iPSC generation.
  • To discuss the challenges and future directions in protein reprogramming technology.

Main Methods:

  • Review of current literature on protein reprogramming techniques for iPSC generation.
  • Analysis of methods combining protein factors with chemical compounds to improve reprogramming efficiency.
  • Discussion of unresolved technical challenges, including efficiency, transduction, and mechanism.

Main Results:

  • Protein reprogramming effectively generates iPSCs without the risks associated with viral vectors.
  • Combinatorial approaches using proteins and chemical compounds show promise for increased reprogramming efficiency.
  • Key challenges remain in optimizing efficiency, understanding transduction, and elucidating the reprogramming mechanism.

Conclusions:

  • Protein reprogramming is a safer and more practical approach for generating iPSCs compared to viral methods.
  • Further optimization through chemical compounds and mechanistic studies is crucial for advancing protein reprogramming.
  • This technology has significant potential for future clinical applications in regenerative medicine.