0000000000109436
AUTHOR
Tomás ÁLvaro Naranjo
Integrating the Tumor Microenvironment into Cancer Therapy
© 2020 by the authors.
Macrodistrofia lipomatosa en el pie: A propósito de un caso y revisión de la literatura
La macrofistrofia lipomatosa es una forma de gigantismo localizado poco frecuente y de causa desconocida, se caracteriza por un gran aumento del crecimiento de todos los elementos mesenquimales, en particular el tejido fibroadiposo de uno o varios dedos del pie o de la mano. Nosotros presentamos un paciente con una deformidad estática en el primer dedo del pie derecho, con una discusión de los hallazgos clínicos, patológicos y radiológicos, así como una revisión de la bibliografía. Macrodystrophia Lipomatosa, a rare form of localized gigantism of unknown cause, is characterized by a dramatic overgrowth of all the mesenchymal elements, paricularly the fibroadipose tissue, of one or more digi…
Una visión integral del cáncer (I). Microambiente tumoral: estudio, clasificación y reprogramación
Resumen El grupo de enfermedades al que nos referimos como «cancer» comparte una estructura biologica conformada por un ecosistema complejo, donde se han alterado las relaciones intercelulares, los campos de informacion, el desarrollo y la funcion tisular. Mas alla de las alteraciones geneticas de la celula tumoral, la demostracion de un ecosistema alterado, con sus interconexiones a nivel sistemico, abre una nueva perspectiva de la biologia y del comportamiento del cancer. Diversas facetas del tumor, su morfologia, clasificacion, agresividad clinica, pronostico y respuesta al tratamiento aparecen ahora bajo una vision integral que ofrece un nuevo horizonte de estudio, investigacion y manej…
Potential Molecular Players of the Tumor Microenvironment in Extracranial Pediatric Solid Tumors
Pediatric cancers are rare malignancies worldwide and represent around 1% of all new cancer diagnoses [...]
Una visión integral del cáncer (II). Campos de estudio y biomarcadores emergentes
Pathology and clinical oncology work hand in hand so that techniques and treatments, biomarkers and antibodies share the common goal of identifying integral new treatment regimens that are more effective and less aggressive. Evidence shows how tissue mechanics affect carcinogenesis and that tumor heterogeneity depends on metabolic stromal alteration and the Warburg effect of malignant cells, regulated directly by PD-1, becoming a target for immunotherapy. Proliferation and apoptosis depend on mitochondrial dysfunction in tumor cells, determining the grade of chemo/radio-resistance. The status of intestinal microbiota regulates immune response, tumor microenvironment structure and oncologic …
Immunometabolism Modulation in Therapy.
The study of cancer biology should be based around a comprehensive vision of the entire tumor ecosystem, considering the functional, bioenergetic and metabolic state of tumor cells and those of their microenvironment, and placing particular importance on immune system cells. Enhanced understanding of the molecular bases that give rise to alterations of pathways related to tumor development can open up new therapeutic intervention opportunities, such as metabolic regulation applied to immunotherapy. This review outlines the role of various oncometabolites and immunometabolites, such as TCA intermediates, in shaping pro/anti-inflammatory activity of immune cells such as MDSCs, T lymphocytes, …
Una visión integral del cáncer (III). Evaluación de nuevos biomarcadores y posibilidades de intervención
We propose a comprehensive approach to oncological disease, based on a systemic consideration of biology, health and disease. Our two previous review articles focused on tumour microenvironment and the discovery of new biomarkers; here we discuss the practical application of these principles to pathology, through the identification, evaluation and quantitative analysis of new prognostic and predictive factors (Immunoscore, TIME). We also consider the clinical use of promising, better tolerated treatments, such as immunotherapy. The integrative pathologist now has access to the latest improved oncology stratification tools designed to identify effective treatment strategies, based on the nat…
Metabolic classification and intervention opportunities for tumor energy dysfunction
A comprehensive view of cell metabolism provides a new vision of cancer, conceptualized as tissue with cellular-altered metabolism and energetic dysfunction, which can shed light on pathophysiological mechanisms. Cancer is now considered a heterogeneous ecosystem, formed by tumor cells and the microenvironment, which is molecularly, phenotypically, and metabolically reprogrammable. A wealth of evidence confirms metabolic reprogramming activity as the minimum common denominator of cancer, grouping together a wide variety of aberrations that can affect any of the different metabolic pathways involved in cell physiology. This forms the basis for a new proposed classification of cancer accordin…
La matriz extracelular: morfología, función y biotensegridad (parte I)
La matriz extracelular (MEC) representa una red tridimensional que engloba todos los órganos, tejidos y células del organismo. Constituye un filtro biofísico de protección, nutrición e inervación celular y el terreno para la respuesta inmune, angiogénesis, fibrosis y regeneración tisular. Y representa el medio de transmisión de fuerzas mecánicas a la membrana basal, que a través de las integrinas soporta el sistema de tensegridad y activa los mecanismos epigenéticos celulares. La alteración de la MEC supone la pérdida de su función de filtro eficaz, nutrición, eliminación, denervación celular, pérdida de la capacidad de regeneración y cicatrización y alteración de la transmisión mecánica o …