4 research outputs found
Capacidad predictiva de la autoeficacia académica sobre las dimensiones del autoconcepto en una muestra de adolescentes chilenos
El objetivo de este estudio fue analizar la
capacidad predictiva de la autoefi cacia académica sobre
las dimensiones del autoconcepto en una muestra
de 860 estudiantes chilenos. El análisis de regresión
logística reveló que la autoefi cacia académica fue un
predictor positivo y signifi cativo de las escalas académicas
(Matemáticas, Verbal y Académica General),
no académicas (Habilidades Físicas, Apariencia Física,
Relaciones con el Sexo Opuesto, Relaciones con
el Mismo Sexo, Relación con los Padres, Sinceridad-
Veracidad), y de la escala de Autoestima, excepto de
la escala de Estabilidad Emocional. Esta relación de
predicción fue de mayor magnitud con las escalas
académicas y autoestima.The aim of this study was to analyze the
predictive power of academic self-effi cacy on academic
self-concept dimensions in a sample of 860
Chilean students. Logistic regression analysis revealed
that the academic self-effi cacy was a positive and
signifi cant predictor of academic scales (Math, Verbal,
and General Academic), not academic (Physical
Abilities, Physical Appearance, Relationships with the
Opposite Sex, Relationships with the Same Sex, Relationship
with Parents, Sincerity-Veracity), and Self-
Esteem scale, except for the Emotional Stability scale.
The predictive value was stronger in the academic dimensions
and self-esteem
Capacidad predictiva de la autoeficacia académica sobre las dimensiones del autoconcepto en una muestra de adolescentes chilenos
El objetivo de este estudio fue analizar la
capacidad predictiva de la autoefi cacia académica sobre
las dimensiones del autoconcepto en una muestra
de 860 estudiantes chilenos. El análisis de regresión
logística reveló que la autoefi cacia académica fue un
predictor positivo y signifi cativo de las escalas académicas
(Matemáticas, Verbal y Académica General),
no académicas (Habilidades Físicas, Apariencia Física,
Relaciones con el Sexo Opuesto, Relaciones con
el Mismo Sexo, Relación con los Padres, Sinceridad-
Veracidad), y de la escala de Autoestima, excepto de
la escala de Estabilidad Emocional. Esta relación de
predicción fue de mayor magnitud con las escalas
académicas y autoestima.The aim of this study was to analyze the
predictive power of academic self-effi cacy on academic
self-concept dimensions in a sample of 860
Chilean students. Logistic regression analysis revealed
that the academic self-effi cacy was a positive and
signifi cant predictor of academic scales (Math, Verbal,
and General Academic), not academic (Physical
Abilities, Physical Appearance, Relationships with the
Opposite Sex, Relationships with the Same Sex, Relationship
with Parents, Sincerity-Veracity), and Self-
Esteem scale, except for the Emotional Stability scale.
The predictive value was stronger in the academic dimensions
and self-esteem
Id1 and PD-1 Combined Blockade Impairs Tumor Growth and Survival of KRAS-mutant Lung Cancer by Stimulating PD-L1 Expression and Tumor Infiltrating CD8+ T Cells
The use of PD-1/PD-L1 checkpoint inhibitors in advanced NSCLC is associated with
longer survival. However, many patients do not benefit from PD-1/PD-L1 blockade, largely because
of immunosuppression. New immunotherapy-based combinations are under investigation in an
attempt to improve outcomes. Id1 (inhibitor of differentiation 1) is involved in immunosuppression. In this study, we explored the potential synergistic effect of the combination of Id1 inhibition
and pharmacological PD-L1 blockade in three different syngeneic murine KRAS-mutant lung
adenocarcinoma models. TCGA analysis demonstrated a negative and statistically significant
correlation between PD-L1 and Id1 expression levels. This observation was confirmed in vitro
in human and murine KRAS-driven lung cancer cell lines. In vivo experiments in KRAS-mutant
syngeneic and metastatic murine lung adenocarcinoma models showed that the combined blockade
targeting Id1 and PD-1 was more effective than each treatment alone in terms of tumor growth
impairment and overall survival improvement. Mechanistically, multiplex quantification of
CD3+/CD4+/CD8+ T cells and flow cytometry analysis showed that combined therapy favors tumor
infiltration by CD8+ T cells, whilst in vivo CD8+ T cell depletion led to tumor growth restoration.
Co-culture assays using CD8+ cells and tumor cells showed that T cells present a higher antitumor
effect when tumor cells lack Id1 expression. These findings highlight that Id1 blockade may contribute
to a significant immune enhancement of antitumor efficacy of PD-1 inhibitors by increasing PD-L1
expression and harnessing tumor infiltration of CD8+ T lymphocytes
Id1 and PD-1 Combined Blockade Impairs Tumor Growth and Survival of KRAS-mutant Lung Cancer by Stimulating PD-L1 Expression and Tumor Infiltrating CD8+ T Cells
The use of PD-1/PD-L1 checkpoint inhibitors in advanced NSCLC is associated with
longer survival. However, many patients do not benefit from PD-1/PD-L1 blockade, largely because
of immunosuppression. New immunotherapy-based combinations are under investigation in an
attempt to improve outcomes. Id1 (inhibitor of differentiation 1) is involved in immunosuppression. In this study, we explored the potential synergistic effect of the combination of Id1 inhibition
and pharmacological PD-L1 blockade in three different syngeneic murine KRAS-mutant lung
adenocarcinoma models. TCGA analysis demonstrated a negative and statistically significant
correlation between PD-L1 and Id1 expression levels. This observation was confirmed in vitro
in human and murine KRAS-driven lung cancer cell lines. In vivo experiments in KRAS-mutant
syngeneic and metastatic murine lung adenocarcinoma models showed that the combined blockade
targeting Id1 and PD-1 was more effective than each treatment alone in terms of tumor growth
impairment and overall survival improvement. Mechanistically, multiplex quantification of
CD3+/CD4+/CD8+ T cells and flow cytometry analysis showed that combined therapy favors tumor
infiltration by CD8+ T cells, whilst in vivo CD8+ T cell depletion led to tumor growth restoration.
Co-culture assays using CD8+ cells and tumor cells showed that T cells present a higher antitumor
effect when tumor cells lack Id1 expression. These findings highlight that Id1 blockade may contribute
to a significant immune enhancement of antitumor efficacy of PD-1 inhibitors by increasing PD-L1
expression and harnessing tumor infiltration of CD8+ T lymphocytes