Related Experiment Video
Updated: Feb 13, 2026
06:35
A Mouse Model to Investigate the Role of Cancer-Associated Fibroblasts in Tumor Growth
Published on: December 22, 2020
5.1K
A new role for a tumor-suppressing protein
Jeremy S Setton1, Simon N Powell1,2
1Department of Radiation Oncology, Memorial Sloan Kettering Cancer Center, New York, United States.
Elife
|March 2, 2018
Summary
The protein p53, known for tumor prevention, also plays a role in DNA repair during the replication-stress response. This finding highlights its broader function in maintaining genomic stability.
Area of Science:
- Molecular Biology
- Genetics
- Cellular Biology
Background:
- The tumor suppressor protein p53 is crucial for preventing cancer development.
- Its known functions include cell cycle arrest and apoptosis induction.
- Emerging evidence suggests p53 involvement in DNA repair pathways.
Purpose of the Study:
- To investigate the role of p53 in the DNA repair process.
- To determine if p53 participates in the replication-stress response.
Main Methods:
- Utilized molecular biology techniques to study p53 protein function.
- Analyzed cellular responses to DNA replication stress.
Main Results:
- The protein p53 was observed to be involved in DNA repair.
- p53's participation in the replication-stress response was confirmed.
Conclusions:
- The protein p53 has a dual role in preventing tumors and repairing DNA.
- p53 is an integral component of the replication-stress response pathway.
- This expands our understanding of p53's contribution to genomic integrity.
Related Concept Videos
01:28Role of Proteins in the Human Body
6.7K
Proteins are the building block of life. They are also the most abundant macromolecules with as many diverse roles in the body. They are part of many structural components that provide unique shapes and structures to animal cells, tissues, and organs. In addition, they also act as biological catalysts and carry out several anabolic and catabolic reactions. Notably, some proteins are chemical messengers and regulate many critical processes, such as metabolism, growth, and development. They...
6.7K
01:02Role of Septins
2.2K
Septins are the recently discovered fourth major protein component of the cytoskeleton, along with microfilaments, microtubules, and intermediate filaments. These proteins can associate with other cytoskeletal filaments and carry out varied roles or can be free-floating in the cytoplasm.
Cellular Functions of Septins
Recent studies have revealed the multifaceted roles of septins in various cellular processes such as cytokinesis, ciliogenesis, and neurogenesis. Septins act as scaffolds and...
Cellular Functions of Septins
Recent studies have revealed the multifaceted roles of septins in various cellular processes such as cytokinesis, ciliogenesis, and neurogenesis. Septins act as scaffolds and...
2.2K
01:23The Role of Culture
441
Culture plays a crucial role in shaping self-identity and influencing thought and behavior, a foundational interest within social psychology. The multicultural perspective recognizes that individuals do not exist in a vacuum; instead, their experiences, perceptions, and actions are deeply influenced by the intersecting dimensions of their cultural, ethnic, and social group affiliations.Cultural Influence on Self-Identity and Social PerceptionCultural frameworks inform how individuals define...
441
02:04Protein-protein Interfaces
14.8K
Many proteins form complexes to carry out their functions, making protein-protein interactions (PPIs) essential for an organism's survival. Most PPIs are stabilized by numerous weak noncovalent chemical forces. The physical shape of the interfaces determines the way two proteins interact. Many globular proteins have closely-matching shapes on their surfaces, which form a large number of weak bonds. Additionally, many PPIs occur between two helices or between a surface cleft and a...
14.8K
02:26Conservation of Protein Domains Over Different Proteins
14.7K
Protein domains are small structurally independent units that are part of a single amino acid chain. Although these domains are often structurally independent, they may rely on synergistic effects to perform their functions as part of a larger protein. Protein domains may be conserved within the same organism, as well as across different organisms.
A limited set of protein domains often duplicate and recombine during evolution. These domains can be organized in different combinations to...
A limited set of protein domains often duplicate and recombine during evolution. These domains can be organized in different combinations to...
14.7K
01:31Acid Suppressive Drugs for Peptic Ulcer Disease: Antacids
713
In the complex environment of the gastric lumen, excessive acid secretion can lead to the formation or worsening of ulcers within the delicate mucosal layer. Antacids, such as sodium bicarbonate and calcium carbonate, provide relief by neutralizing this acid, transforming it into harmless salt and water. This neutralization process raises the gastric pH from a highly acidic level of 1 to a more basic 3-4, reducing the acidity within the stomach.
However, this neutralization reaction between...
However, this neutralization reaction between...
713