Video Experimental Relacionado
Updated: Sep 10, 2025
13:04
In Vivo and Ex Vivo Approaches to Study Ovarian Cancer Metastatic Colonization of Milky Spot Structures in Peritoneal Adipose
Published on: October 14, 2015
13.3K
Estandarización, educación y recursos: el camino a seguir para implementar puntuaciones de riesgo poligénico en
Rebecca Purvis1,2, Natalie Taylor3, Mary-Anne Young4,5
1Sir Peter MacCallum Department of Oncology, The University of Melbourne, Melbourne, Victoria, Australia.
Clinical and translational science
|August 21, 2025
Resumen
Los proveedores de atención médica genética en Australia apoyan la implementación de puntuaciones de riesgo poligénico (PRS) para la evaluación del riesgo de cáncer de mama y ovario hereditario (HBOC). Las prioridades clave incluyen educación, estandarización y abordar las preocupaciones de recursos y equidad para una adopción nacional exitosa.
Área de la Ciencia:
- Genética y genómica
- Ciencias de la aplicación
- Política de salud
Sus antecedentes:
- Las puntuaciones de riesgo poligénico (PRS) ofrecen potencial para la evaluación personalizada del riesgo en el cáncer hereditario de mama y de ovario (HBOC).
- La implementación clínica exitosa requiere comprender las perspectivas de los proveedores de atención médica sobre la adopción nacional.
Objetivo del estudio:
- Explorar las opiniones de los proveedores de atención médica genética australianos sobre la implementación nacional de PRS para HBOC.
- Identificar los factores habilitadores, los obstáculos y las prioridades para la integración del PRS en la práctica clínica.
Principales métodos:
- Un estudio de método mixto en dos fases que combina entrevistas semiestructuradas (n=27) y una encuesta nacional en línea (n=40).
- El diseño y el análisis del estudio se basan en el Marco Consolidado para la Investigación de Implementación (CFIR), el Marco Teórico de Dominios (TDF) y las Recomendaciones de Expertos para la Implementación del Cambio (ERIC).
Principales resultados:
- Los proveedores expresaron su apoyo a la implementación de PRS, citando factores como la cultura sectorial, la compatibilidad de las prácticas y el conocimiento de los proveedores.
- Las preocupaciones identificadas incluyen la falta de recursos, la equidad, la puntualidad y la seguridad/efectividad del PRS para el cáncer de ovario.
- Las prioridades clave para la aplicación son la educación de las partes interesadas y la normalización (pruebas acreditadas, directrices, financiación, informes).
Conclusiones:
- Las perspectivas de los proveedores son cruciales para diseñar modelos efectivos de implementación de PRS en Australia.
- Abordar el recurso, la equidad y la estandarización son desafíos críticos para la adopción nacional de PRS.
- Centrarse en la educación y la normalización mejorará la preparación y la eficacia de la aplicación.
Palabras clave:
proveedores de servicios de salud genéticacáncer hereditario de mama y de ovarioDeterminantes de la ejecuciónpuntuaciones de riesgo poligénicoestrategias y prioridadesMás Videos Relacionados
08:15gDNA Enrichment by a Transposase-based Technology for NGS Analysis of the Whole Sequence of BRCA1, BRCA2, and 9 Genes Involved in DNA Damage Repair
Published on: October 6, 2014
12.3K
10:27Testing Targeted Therapies in Cancer using Structural DNA Alteration Analysis and Patient-Derived Xenografts
Published on: July 25, 2020
7.4K
Videos de Conceptos Relacionados
01:18Polygenic Traits
66.5K
When more than one gene is responsible for a given phenotype, the trait is considered polygenic. Human height is a polygenic trait. Studies have uncovered hundreds of loci that influence height, and there are believed to be many more. Due to the high number of genes involved, as well as environmental and nutritional factors, height varies significantly within a given population. The distribution of height forms a bell-shaped curve, with relatively few individuals in the population at the...
66.5K
01:11Genome-wide Association Studies-GWAS
14.1K
Genome-wide association studies or GWAS are used to identify whether common SNPs are associated with certain diseases. Suppose specific SNPs are more frequently observed in individuals with a particular disease than those without the disease. In that case, those SNPs are said to be associated with the disease. Chi-square analysis is performed to check the probability of the allele likely to be associated with the disease.
GWAS does not require the identification of the target gene involved in...
GWAS does not require the identification of the target gene involved in...
14.1K
01:05Cancer-Critical Genes II: Tumor Suppressor Genes
8.0K
Genes usually encode proteins necessary for the proper functioning of a healthy cell. Mutations can often cause changes to the gene expression pattern, thereby altering the phenotype.
When the function of certain critical genes, especially those involved in cell cycle regulation and cell growth signaling cascades, gets disrupted, it upsets the cell cycle progression. Such cells with unchecked cell cycles start proliferating uncontrollably and eventually develop into tumors.
Such genes that act...
When the function of certain critical genes, especially those involved in cell cycle regulation and cell growth signaling cascades, gets disrupted, it upsets the cell cycle progression. Such cells with unchecked cell cycles start proliferating uncontrollably and eventually develop into tumors.
Such genes that act...
8.0K
01:21Cancer Survival Analysis
453
Cancer survival analysis focuses on quantifying and interpreting the time from a key starting point, such as diagnosis or the initiation of treatment, to a specific endpoint, such as remission or death. This analysis provides critical insights into treatment effectiveness and factors that influence patient outcomes, helping to shape clinical decisions and guide prognostic evaluations. A cornerstone of oncology research, survival analysis tackles the challenges of skewed, non-normally...
453
01:05Single Nucleotide Polymorphisms-SNPs
15.9K
A single nucleotide polymorphism or SNP is a single nucleotide variation at a specific genomic position in a large population. It is the most prevalent type of sequence variation found in the human genome. Point mutations that occur in more than 1% of the population qualify as SNPs. These are present once every 1000 nucleotides on an average in the human genome. Replacement of a purine with another purine (A/G) or a pyrimidine with another pyrimidine (C/T) is known as a transition. In contrast,...
15.9K
01:06Heritability
303
Heritability is a statistical concept that measures the degree to which genetic differences among individuals contribute to trait variations within a population. It is a fundamental idea in genetics, often prone to misinterpretation. Heritability is expressed as a percentage, reflecting the proportion of variation in a specific trait across a population that can be linked to genetic differences. However, it's important to understand that heritability does not determine how "genetic"...
303