Video Experimental Relacionado
Updated: Jun 24, 2025
10:24
Generation of Heterogeneous Drug Gradients Across Cancer Populations on a Microfluidic Evolution Accelerator for Real-Time Observation
Published on: September 19, 2019
6.4K
Un modelo de restricción del desarrollo de los estados de las células cancerosas y la heterogeneidad del tumor
1Institute for Systems Genetics, NYU Grossman School of Medicine, New York, NY, USA; Department of Biochemistry & Molecular Pharmacology, NYU Grossman School of Medicine, New York, NY, USA; Perlmutter Cancer Center, NYU Langone Health, New York, NY, USA.
Cell
|June 7, 2024
Resumen
Los estados de las células cancerosas están limitados por el mapa de desarrollo del organismo. La heterogeneidad del tumor surge a medida que las células cancerosas navegan por este mapa, influyendo en el comportamiento del tumor emergente.
Área de la Ciencia:
- Biología del desarrollo
- Biología del cáncer
- La medicina evolutiva
Sus antecedentes:
- El cáncer surge de las células individuales que ignoran los intereses del organismo.
- La tumorigénesis está influenciada por programas de desarrollo, no sólo por la evolución.
- La transcriptómica de una sola célula revela estados celulares plásticos recurrentes en los cánceres.
Objetivo del estudio:
- Proponer un modelo en el que los estados de las células cancerosas estén limitados por el mapa de desarrollo del organismo.
- Explicar la heterogeneidad del tumor y el comportamiento emergente a través de restricciones de desarrollo.
Principales métodos:
- Análisis de datos transcriptómicos de una sola célula en varios tipos de cáncer.
- Análisis comparativo de los estados de las células cancerosas dentro de las jerarquías de desarrollo.
Principales resultados:
- Los estados observados de las células cancerosas están constantemente cerca de la jerarquía de desarrollo de su célula de origen.
- Se propone un modelo donde las células cancerosas atraviesan el "mapa de desarrollo".
Conclusiones:
- Los estados de las células cancerosas están directamente limitados por el mapa de desarrollo del organismo.
- La heterogeneidad y el comportamiento del tumor son el resultado de las células cancerosas que navegan por este paisaje de desarrollo.
Videos de Conceptos Relacionados
02:21Cancers Originate from Somatic Mutations in a Single Cell
11.9K
Cancer arises from mutations in the critical genes that allow healthy cells to escape cell cycle regulation and acquire the ability to proliferate indefinitely. Though originating from a single mutation event in one of the originator cells, cancer progresses when the mutant cell lines continue to gain more and more mutations, and finally, become malignant. For example, chronic myelogenous leukemia (CML) develops initially as a non-lethal increase in white blood cells, which progressively...
11.9K
02:53Adaptive Mechanisms in Cancer Cells
5.7K
Cancer cells accumulate genetic changes at an abnormally rapid rate due to the defects in the DNA repair mechanisms. From an evolutionary perspective, such genetic instability is advantageous for cancer development. Mutant cell lines accumulate a series of beneficial mutations that contribute to their progression into cancer.
Some of the advantages that cancer cells have on normal cells include - enhanced ability to divide without terminally differentiating, induce new blood vessel formation,...
Some of the advantages that cancer cells have on normal cells include - enhanced ability to divide without terminally differentiating, induce new blood vessel formation,...
5.7K
02:18Cancer
48.4K
Cancers arise due to mutations in genes involved in the regulation of cell division, which leads to unrestricted cell proliferation. Modern science and medicine have made great strides in the understanding and treatment of cancer, including eradicating cancer in some patients. However, there is still no cure for cancer. This is largely due to the fact that cancer is a large group of many diseases.
48.4K
02:40Cancer Stem Cells and Tumor Maintenance
4.9K
Early diagnosis and treatment can often cure cancer. However, even with treatment, residual cells called cancer stem cells (CSC) might remain, often causing tumor recurrence. These cancer stem cells possess the potential for self-renewal and multi-lineage differentiation and are often responsible for the therapeutic resistance displayed in most cancers.
Cancer stem cells are thought to originate from tissue-specific normal stem cells or progenitor cells. The normal stem cells usually reside in...
Cancer stem cells are thought to originate from tissue-specific normal stem cells or progenitor cells. The normal stem cells usually reside in...
4.9K
02:07Tumor Progression
6.3K
Tumor progression is a phenomenon where the pre-formed tumor acquires successive mutations to become clinically more aggressive and malignant. In the 1950s, Foulds first described the stepwise progression of cancer cells through successive stages.
Colon cancer is one of the best-documented examples of tumor progression. Early mutation in the APC gene in colon cells causes a small growth on the colon wall called a polyp. With time, this polyp grows into a benign, pre-cancerous tumor. Further...
Colon cancer is one of the best-documented examples of tumor progression. Early mutation in the APC gene in colon cells causes a small growth on the colon wall called a polyp. With time, this polyp grows into a benign, pre-cancerous tumor. Further...
6.3K
02:12What is Cancer?
10.6K
Cells and tissues must meticulously coordinate their activities for the normal functioning of the human body. Therefore, they exhibit socially responsible behavior - resting, growing, dividing, differentiating, or dying - for the organism’s benefit. Cancer arises when cells divide uncontrollably and invade other tissues or organs.
Although people have known about cancer for centuries, it was only in 1761 that Giovanni Morgagni of Padua performed a detailed autopsy of...
Although people have known about cancer for centuries, it was only in 1761 that Giovanni Morgagni of Padua performed a detailed autopsy of...
10.6K