ESTUDIO DE LA EFICACIA ANTI-TUMURAL DE PRO-ENZIMAS PANCREÁTICAS FRENTE A CÉLULAS MADRE CANCERÍGENAS
Fecha
2023-09-28
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Jaén : Universidad de Jaén
Resumen
La falta de un tratamiento eficaz contar el cáncer se debe a su enorme heterogeneidad inter- e intra-tumoral. Dentro de la masa tumoral las células madre cancerígenas (CSCs) se caracterizan por estar indiferenciadas y en estado durmiente, esta subpoblación está estrechamente relacionadas con la progresión del tumor y la metástasis. Proponemos un nuevo modelo de desarrollo tumoral que integra la inflamación crónica, la desregulación de las deaminasas, la diversidad genética intra-tumoral y la plasticidad fenotípica. Hemos demostrado el efecto anticancerígeno de una formulación de (pro)enzimas pancreáticas (PRP) compuesta por Tripsinógeno y Quimotripsinógeno A. Se analizaron los efectos de PRP sobre CSCs procedentes de la línea celular BxPC-3 de cáncer de páncreas y se observó una inhibición del fenotipo troncal de las CSCs y una reducción de su agresividad tanto in vitro como in vivo. PRP disminuyó el inicio del tumor, su desarrollo, y el tejido fibrótico intratumoral.
The lack of an effective treatment against cancer is due to its enormous inter- and intratumoral heterogeneity. Within the tumor mass, cancer stem cells (CSC) are characterized by being undifferentiated and dormant; this subpopulation is responsible of tumour progression and metastasis. We propose a new model of tumor development that integrates chronic inflammation, deaminase deregulation, intratumoral genetic diversity, and phenotypic plasticity. We have demonstrated the anticancer effect of a formulation of pancreatic (pro)enzymes (PRP) composed of Trypsinogen and Chymotrypsinogen A. The effects of PRP on CSCs derived from the BxPC-3 pancreatic cancer cell line were analyzed and an inhibition of the stem phenotype of CSCs and a reduction in their aggressiveness, both in vitro and in vivo, was found. PRP inhibited tumour initiation, tumour progression and the intratumoral fibrotic tissue.
The lack of an effective treatment against cancer is due to its enormous inter- and intratumoral heterogeneity. Within the tumor mass, cancer stem cells (CSC) are characterized by being undifferentiated and dormant; this subpopulation is responsible of tumour progression and metastasis. We propose a new model of tumor development that integrates chronic inflammation, deaminase deregulation, intratumoral genetic diversity, and phenotypic plasticity. We have demonstrated the anticancer effect of a formulation of pancreatic (pro)enzymes (PRP) composed of Trypsinogen and Chymotrypsinogen A. The effects of PRP on CSCs derived from the BxPC-3 pancreatic cancer cell line were analyzed and an inhibition of the stem phenotype of CSCs and a reduction in their aggressiveness, both in vitro and in vivo, was found. PRP inhibited tumour initiation, tumour progression and the intratumoral fibrotic tissue.
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células madre cancerígenas, pro-enzimas pancreáticas, microambiente tumoral, progresión tumoral y plasticidad tumoral
Citación
p.[http://hdl.handle.net/10953/]