Three-Dimensional Ameliorated Biologics Elicit Thymic Renewal in Tumor-Bearing Hosts

The Journal of Immunology : Official Journal of the American Association of Immunologists
Yan-Na ZhangXian-Cheng Chen

Abstract

Cancer-initiating/sustaining stem cell subsets (CSCs) have the potential to regenerate cancer cell populations and are resistant to routine therapeutic strategies, thus attracting much attention in anticancer research. In this study, an innovative framework of endogenous microenvironment-renewal for addressing such a dilemma has been just developed. CSCs in three-dimensional multipotent spheroid-engineered biologics were prepared with 150 Gy radiation and inoculated into 15-mo-old BALB/c and C57BL/6 mice bearing diverse advanced tumors covering Mammary 4T1, liver Hepa, lung LL/2, and colon C26 tumors and distant metastases. Subsequently, the systematic microenvironment of tumor-bearing hosts was rapidly remodeled to resettle thymic cortex and medulla rudiment as an endogenous foxn1-thymosin reprogramming TCR-repertoire for resetting MHC-unrestricted multifunction renewal. Postrenewal Vγ4γδT-subsets would bind and lead migrating CSCs into apoptosis. Moreover, TCR repertoire multifunction renewal could reverse tumor metastases from tumoricidal resistance into eventual regression as a blockade of cancer-sustaining Bmi-1/Nanog-Oct4-Sox2 renewal loop with sequent multivalent depletion of both migrating/in situ CSCs and non-stem term...Continue Reading

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Citations

May 3, 2020·Journal of Experimental & Clinical Cancer Research : CR·Somshuvra BhattacharyaPilar de la Puente
Dec 14, 2019·Advanced Science·Yanna ZhangXiancheng Chen

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