Eliminate, Reprogram, and Rebuild
- 1Georgia Longevity Alliance
Abstract
Background. Transient totipotent-like states (8CLCs, 2CLCs) can now be induced from pluripotent stem cells through transcription factor expression (DUX4) or chemical chromatin remodeling (TLSCs) - without centriole manipulation. Stable, self-renewing totipotent cells have been achieved from ESCs. Yet no method has produced sustained totipotency from a fully differentiated somatic cell. Why? Hypothesis. We propose that the centriole - through active regulatory mechanisms (DID-RNA, CAMC remodeling, NANOG sequestration, cilium-dependent signaling) - actively maintains the differentiated state and thus constitutes a somatic barrier to sustained totipotency. It is not the only barrier: TLSCs prove that the chromatin barrier can be overcome chemically. But somatic cells carry the burden of having traversed the differentiation ratchet - old centrioles accumulated through asymmetric inheritance - that ESCs do not. Entropy is not the barrier. Entropy accumulates passively in all structures (Second Law of Thermodynamics) and DEGRADES the centriole’s active regulatory function over time. When that function fails, the cell does not revert to totipotency - it becomes malignant. The barrier to totipotency is the centriole’s active maintenance of the differentiated state; entropy is what breaks the barrier, not what creates it. Irreversible differentiation means the irreversible shutdown of some gene regulatory networks and the activation of others. In naive cells (ESCs, iPSCs), gene networks are open - all programs remain accessible. TLSCs succeed without centriole manipulation because they start from this open state. Somatic cells have closed networks: genes required for totipotency are silenced,
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BibTeX
@article{tkemaladze2026eliminate,
title = {{Eliminate, Reprogram, and Rebuild}},
author = {Jaba Tkemaladze},
journal = {Longevity Horizon},
year = {2026},
month = jul,
doi = {10.65649/amb5zx11},
url = {https://doi.org/10.65649/amb5zx11},
note = {CC BY},
}
RIS
TY - JOUR
TI - Eliminate, Reprogram, and Rebuild
AU - Jaba Tkemaladze
PY - 2026
DA - 2026/07/26
JO - Longevity Horizon
DO - 10.65649/amb5zx11
UR - https://doi.org/10.65649/amb5zx11
AB - Background. Transient totipotent-like states (8CLCs, 2CLCs) can now be induced from pluripotent stem cells through transcription factor expression (DUX4) or chemical chromatin remodeling (TLSCs) - without centriole manipulation. Stable, self-renewing totipotent cells have been achieved from ESCs. Yet no method has produced sustained totipotency from a fully differentiated somatic cell. Why? Hypothesis. We propose that the centriole - through active regulatory mechanisms (DID-RNA, CAMC remodeling, NANOG sequestration, cilium-dependent signaling) - actively maintains the differentiated state and thus constitutes a somatic barrier to sustained totipotency. It is not the only barrier: TLSCs prove that the chromatin barrier can be overcome chemically. But somatic cells carry the burden of having traversed the differentiation ratchet - old centrioles accumulated through asymmetric inheritance - that ESCs do not. Entropy is not the barrier. Entropy accumulates passively in all structures (Second Law of Thermodynamics) and DEGRADES the centriole’s active regulatory function over time. When that function fails, the cell does not revert to totipotency - it becomes malignant. The barrier to totipotency is the centriole’s active maintenance of the differentiated state; entropy is what breaks the barrier, not what creates it. Irreversible differentiation means the irreversible shutdown of some gene regulatory networks and the activation of others. In naive cells (ESCs, iPSCs), gene networks are open - all programs remain accessible. TLSCs succeed without centriole manipulation because they start from this open state. Somatic cells have closed networks: genes required for totipotency are silenced,
SN - 3088-4063
ER -