Video Experimental Relacionado

Updated: Feb 10, 2026

Laser Microirradiation to Study In Vivo Cellular Responses to Simple and Complex DNA Damage
10:44

Laser Microirradiation to Study In Vivo Cellular Responses to Simple and Complex DNA Damage

Published on: January 31, 2018

10.8K

Diana de EphA2 bajo daño al ADN provoca elusión mitótica a través de la inducción de p21

Ayuka Nakamura1, Junna Tanaka1, Ryuzaburo Yuki1

  • 1Laboratory of Biochemistry & Molecular Biology, Kyoto Pharmaceutical University, Kyoto 607-8414, Japan.

The Journal of biological chemistry
|February 8, 2026
PubMed
Resumen

La sobreexpresión de EphA2 (receptor de efrina A2) después del daño al ADN promueve la supervivencia de las células cancerosas al mantener el arresto G2. La supresión de EphA2 desencadena la elusión mitótica dependiente de p21 y la tetraploidización, lo que reduce la proliferación y ofrece una estrategia terapéutica.

Palabras clave:
AdriamicinaDaño al ADNEphA2Arresto G2

Más Videos Relacionados

Assaying DNA Damage in Hippocampal Neurons Using the Comet Assay10:00

Assaying DNA Damage in Hippocampal Neurons Using the Comet Assay

Published on: December 19, 2012

28.2K
Evaluating In Vitro DNA Damage Using Comet Assay10:43

Evaluating In Vitro DNA Damage Using Comet Assay

Published on: October 11, 2017

39.6K

Videos de Conceptos Relacionados

DNA Damage Can Stall the Cell Cycle02:36

DNA Damage Can Stall the Cell Cycle

In response to DNA damage, cells can pause the cell cycle to assess and repair the breaks. However, the cell must check the DNA at certain critical stages during the cell cycle. If the cell cycle pauses before DNA replication, the cells will contain twice the amount of DNA. On the other hand, if cells arrest after DNA replication but before mitosis, they will contain four times the normal amount of DNA. With a host of specialized proteins at their disposal,cells must use the right protein at...
3.2K
DNA Damage can Stall the Cell Cycle02:36

DNA Damage can Stall the Cell Cycle

In response to DNA damage, cells can pause the cell cycle to assess and repair the breaks. However, the cell must check the DNA at certain critical stages during the cell cycle. If the cell cycle pauses before DNA replication, the cells will contain twice the amount of DNA. On the other hand, if cells arrest after DNA replication but before mitosis, they will contain four times the normal amount of DNA. With a host of specialized proteins at their disposal,cells must use the right protein at...
10.1K
The Mitotic Spindle02:27

The Mitotic Spindle

The mitotic spindle—or spindle apparatus—is a eukaryotic, cytoskeletal structure made up of long protein fibers called microtubules. Formed during cell division, the spindle separates sister chromatids and moves them to opposite ends of a parental cell, where the now individual chromosomes are distributed to two daughter cell nuclei.
The bipolar configuration of the mitotic spindle facilitates chromosomal segregation, preparing the cell for division. One mechanism that ensures...
8.1K
DNA-only Transposons02:57

DNA-only Transposons

DNA-only transposons are called autonomous transposons since they code for the enzyme transposase that is required for the transposition mechanism. Insertion of transposons can alter gene functions in multiple ways. They can mutate the gene, alter gene expression by introducing a novel promoter or insulator sequence, introduce new splice sites, and change the mRNA transcripts produced, or remodel chromatin structure.
The donor site from where the transposon is excised is either degraded or...
17.5K
Overview of DNA Repair02:25

Overview of DNA Repair

In order to be passed through generations, genomic DNA must be undamaged and error-free. However, every day, DNA in a cell undergoes several thousand to a million damaging events by natural causes and external factors. Ionizing radiation such as UV rays, free radicals produced during cellular respiration, and hydrolytic damage from metabolic reactions can alter the structure of DNA. Damages caused include single-base alteration, base dimerization, chain breaks, and cross-linkage.
Chemically...
33.8K
Translesion DNA Polymerases02:10

Translesion DNA Polymerases

Translesion (TLS) polymerases rescue stalled DNA polymerases at sites of damaged bases by replacing the replicative polymerase and installing a nucleotide across the damaged site. Doing so, TLS allows additional time for the cell to repair the damage before resuming regular DNA replication.
TLS polymerases are found in all three domains of life - archaea, bacteria, and eukaryotes. Of the different classes of TLS polymerases, members of the Y family are fitted with specialized structures that...
11.2K