Embryonic Morphogenetic Field Induces Phenotypic Reversion in Cancer Cells. Review Article

Author(s): M. Bizzarri, A. Cucina, P. M. Biava, S. Proietti, F. D'Anselmi, S. Dinicola, A. Pasqualato, E. Lisi

Journal Name: Current Pharmaceutical Biotechnology

Volume 12 , Issue 2 , 2011

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Cancer cells introduced into developing embryos can be committed to a complete reversion of their malignant phenotype. It is unlikely that such effects could be ascribed to only few molecular components interacting according to a simple linear-dynamics model, and they claim against the somatic mutation theory of cancer. Some 50 years ago, Needham and Waddington speculated that cancer represents an escape from morphogenetic field like those which guide embryonic development. Indeed, disruption of the morphogenetic field of a tissue can promote the onset as well as the progression of cancer. On the other hand, placing tumor cells into a “normal” morphogenetic field - like that of an embryonic tissue - one can reverse malignant phenotype, “reprogramming” tumor into normal cells. According to the theoretical framework provided by the thermodynamics of dissipative systems, morphogenetic fields could be considered as distinct attractors, to which cell behaviors are converging. Cancer-attractors are likely positioned somewhat close to embryonicattractors. Indeed, tumors share several morphological and ultra-structural features with embryonic cells. The recovering of an “embryonic-like” cell shape might enable the gene regulatory network to reactivate embryonic programs, and consequently to express antigenic and biochemical embryonic characters. This condition confers to cancer an unusual sensitivity to embryonic regulatory cues. Thus, it is not surprising that cancer cells exposed to specific embryonic morphogenetic fields undergoes significant modifications, eventually leading to a complete phenotypic reversion.

Keywords: Embryonic-attractors, cancer-attractors, embryonic stem cells, morphogenetic field, phenotypic reversion, malignant phenotype, somatic mutation theory of cancer, somatic cell, cancer cell, genetic mutations, angiogenesis, apoptosis, Catenin, Warburg effect, epithelium-mesenchimal transitions, organ morphogenesis, tissue tension, blastocyst, trophectoderm, topological relationships, deficient mutant, electromagnetic forces, hydrostatic pressure, shear stress, compression, tension forces, melanoma cells, zebrafish, medulloblastoma cell line, epigenetic reprogramming, tumor nuclei, gene-regulatory network, karyo-types, biological phase-transitions, tissue homeostasis, tumor-suppressor gene, paradoxical behavior, primordial germ cell, cytoplasmic nuclear controls, somatic mutation theory, embryo micro-environment, extracellular matrix, embryogenesis, neuronal lineages, Malignant hepatocarcinoma, stroma, therapeutic strategy, keeping, 5-Fluorouracil-treated

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Article Details

Year: 2011
Page: [243 - 253]
Pages: 11
DOI: 10.2174/138920111794295701
Price: $65

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