Results 51 to 60 of about 2,392,624 (355)

Astrocyte Apoptosis and HIV Replication Are Modulated in Host Cells Coinfected with Trypanosoma cruzi [PDF]

open access: yes, 2017
The protozoan Trypanosoma cruzi is the etiological agent of Chagas disease. In immunosuppressed individuals, as it occurs in the coinfection with human immunodeficiency virus (HIV), the central nervous system may be affected. In this regard, reactivation
Burgos, Juan Miguel   +5 more
core   +1 more source

A subset of MMR‐proficient colon cancers responds to neoadjuvant immunotherapy

open access: yesMolecular Oncology, EarlyView.
Tan et al. reveal that a distinct subset of early‐stage pMMR colon cancers can respond to neoadjuvant immunotherapy. In the NICHE‐2 trial, responders (26%) were characterized by chromosomal instability, TP53 mutations, and proliferative cell‐cycle programs, whereas nonresponders showed metabolic and stromal reprogramming with TGF‐β‐driven ...
Eleonora Piumatti   +3 more
wiley   +1 more source

Las investigaciones artísticas, investigaciones de contexto

open access: yesPraxis & Saber, 2012
En este texto se plantean ciertos conceptos, presentes en obras del arte contemporáneo, que han abordado aspectos de la vida y que, pasados por la prueba sensible y expresiva, dan luces para fundar investigaciones sobre fenómenos singulares de la existencia.
openaire   +3 more sources

Tumor mutational burden as a determinant of metastatic dissemination patterns

open access: yesMolecular Oncology, EarlyView.
This study performed a comprehensive analysis of genomic data to elucidate whether metastasis in certain organs share genetic characteristics regardless of cancer type. No robust mutational patterns were identified across different metastatic locations and cancer types.
Eduardo Candeal   +4 more
wiley   +1 more source

Atentados contra las publicaciones científicas

open access: yesSaber, Ciencia y Libertad, 2013
Se presenta un trabajo de crítica científica, en torno a aquellos aspectos relevantes que atentan contra el logro del propósito que ha de cumplir cada publicación científica, es decir, el objetivo de comunicar al público interesado, el resultado de las ...
Javier Pérez Capdevila
doaj   +1 more source

Inteligencia Artificial

open access: yesTransdigital
El uso de la inteligencia artificial (IA) en el ámbito educativo transformó el quehacer docente. Esta investigación utilizó un enfoque mixto con el fin de explorar el impacto de la IA en las actividades que realizan los docentes mediante cinco vectores ...
R. López-Martínez
semanticscholar   +1 more source

Draft genome sequence of Pseudomonas aeruginosa strain Hex1T isolated from soils contaminated with used lubricating oil in Argentina [PDF]

open access: yes, 2017
Pseudomonas aeruginosa Hex1T was isolated from soils contaminated with used lubricating oil from a garage in Córdoba, Argentina. This strain is capable of utilizing this pollutant as the sole carbon and energy source.
Feliziani, Sofía   +2 more
core   +1 more source

Day/night variations of myeloid and lymphoid cell subsets in the murine inguinal lymph node

open access: yesFEBS Open Bio, EarlyView.
The circadian system is involved in the temporal regulation of the immune system. Our study reveals that two innate immune populations, NKT cells and neutrophils, predominate at the beginning of the day in healthy mice, highlighting how the time of day influences immune responses.
Paula M. Wagner   +6 more
wiley   +1 more source

Las posibilidades de la historia intelectual en América Latina. Un diálogo con José Elías Palti

open access: yesÍconos, 2010
Elías José Palti es Doctor en Historia por la Universidad de California en Berkeley. Ha realizado estudios posdoctorales en El Colegio de México y en la Universidad de Harvard.
Rafael Polo Bonilla
doaj   +1 more source

investigaciones fallidas

open access: yes, 2023
Siempre sabemos lo que ha salido bien de una investigación, no obstante, conocer lo que no ha salido bien puede resultar muy constructivo, porque permite evitar los errores. ¿Cuales fuentes de información hay en línea sobre experimentos fallidos, proyectos infructuosos o investigaciones que ha fracasado?
openaire   +1 more source

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