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Related Concept Videos

Forced Transdifferentiation01:28

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Transdifferentiation, also known as lineage reprogramming, was first discovered by Selman and Kafatos in 1974 in silkmoths. They observed that the moths’ cuticle-producing cells transformed into salt-producing cells. Many such cases of natural transdifferentiation occur in organisms. In humans, pancreatic alpha cells can become beta cells. In newts, the loss of the eye’s lens causes the pigmented epithelial cells to transdifferentiate into the lens cells.
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Other than maintaining genome stability via DNA repair, homologous recombination plays an important role in diversifying the genome. In fact, the recombination of sequences forms the molecular basis of genomic evolution. Random and non-random permutations of genomic sequences create a library of new amalgamated sequences. These newly formed genomes can determine the fitness and survival of cells. In bacteria, homologous and non-homologous types of recombination lead to the evolution of new...
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Axons are long, cytoplasmic processes of nerve cells capable of propagating electrical impulses known as action potentials. The cytoplasm or axoplasm of an axon contains neurofibrils, neurotubules, small vesicles, lysosomes, mitochondria, and various enzymes, all encased within the axolemma, the plasma membrane of the axon.
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Related Experiment Video

Updated: Jan 27, 2026

Efficient Derivation of Human Neuronal Progenitors and Neurons from Pluripotent Human Embryonic Stem Cells with Small Molecule Induction
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Neuronal Transdifferentiation in Humans: Protocols for Monocytes Conversion into Neuronal-Like Cells with Small

Kornelia Jankowska1, Saeid Ghavami2,3,4, Jolanta Hybiak1

  • 1Department of Pathology, Pomeranian Medical University, Szczecin, Poland.

Archivum Immunologiae Et Therapiae Experimentalis
|January 26, 2026
PubMed
Summary

Chemical induction using small molecules offers a cheap and efficient method for neuronal transdifferentiation, a promising approach for treating neurodegenerative diseases like Parkinson's and Alzheimer's.

Keywords:
Chemical transdifferentiationMonocytes conversionNeurodegenerative diseasesNeuronal transdifferentationSmall moleculeTransdifferentiation

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Area of Science:

  • Neuroscience
  • Regenerative Medicine
  • Molecular Biology

Background:

  • Neurodegenerative diseases (e.g., Parkinson's, Alzheimer's) cause significant disability.
  • Current treatments are largely symptomatic due to limited understanding and poor brain regeneration.
  • Neuronal transdifferentiation presents a potential therapeutic strategy.

Purpose of the Study:

  • To develop an efficient, safe, and cost-effective method for neuronal transdifferentiation.
  • To overcome limitations of existing nucleic acid-based protocols, such as insertion mutagenesis risks.

Main Methods:

  • Monocytes were isolated from buffy coats.
  • Cells were cultured using four distinct small-molecule combination protocols.
  • Successful transdifferentiation was assessed via specific neuronal markers (TUJ1, MAP2, SYP).

Main Results:

  • Two out of four small-molecule protocols successfully induced neuronal transdifferentiation.
  • Generated cells expressed key neuronal markers: TUJ1, MAP2, and SYP.
  • Demonstrated that transdifferentiation can be achieved via chemical induction.

Conclusions:

  • Neuronal transdifferentiation is feasible using small-molecule chemical induction.
  • This chemical approach offers a cheaper, safer, and more efficient alternative to existing methods.
  • This method holds promise for future neurodegenerative disease therapies.