相关实验视频
Updated: Jun 23, 2025

07:55
Visualization of DNA Repair Proteins Interaction by Immunofluorescence
Published on: June 26, 2020
10.2K
作为DNA损伤反应调节器的ECRG2/SPINK7瘤抑制剂
Harsh Patel1, M Saeed Sheikh1, Ying Huang1
1Department of Pharmacology, State University of New York Upstate Medical University, 750 East Adams Street, Syracuse, NY 13210, USA.
International journal of molecular sciences
|June 19, 2024
概括
食道癌相关基因2 (ECRG2) 是一种瘤抑制剂,在癌症中丢失时,可能导致药物耐药性. 恢复ECRG2功能可以增强癌细胞死亡,并作为治疗点.
科学领域:
- 在瘤学瘤学.
- 分子生物学分子生物学
- 遗传学 是一个遗传学.
背景情况:
- 食道癌相关基因2 (ECRG2),也称为血清酶抑制剂卡扎尔7型 (SPINK7),是一种新型瘤抑制基因.
- 在包括食道瘤在内的各种人类癌症中,ECRG2表达经常缺席或减少.
- 在人类初级癌症中已发现ECRG2的突变,影响其瘤抑制功能.
研究的目的:
- 研究ECRG2在癌症发展中的作用及其作为治疗点的潜力.
- 阐明ECRG2抑制瘤生长,入侵和转移的机制.
- 了解ECRG2,p53和DNA损伤诱导的亡之间的关系.
主要方法:
- 在人类癌症中分析ECRG2表达.
- 对ECRG2突变的识别和表征.
- 在体外和体内研究评估ECRG2对癌细胞增殖,迁移,入侵和转移的影响.
- 研究ECRG2与HuR的相互作用及其在DNA损伤反应途径中的作用.
- 对p53与ECRG2促进体结合的检查及其对基因表达和亡的影响.
主要成果:
- 通过抑制扩散,迁移,入侵和转移,ECRG2显示出强大的抗癌活性.
- ECRG2 作为致癌蛋白 HuR 的负调节剂.
- ECRG2是p53的转录标,在DNA损伤引起的亡中起着关键作用.
- 失去ECRG2功能有助于抗癌药物耐药性.
结论:
- ECRG2是一种重要的瘤抑制剂,具有显著的抗癌潜力.
- ECRG2在亡中的作用和p53对其调节的作用凸显了它在癌症治疗中的重要性.
- 向ECRG2可能是克服各种癌症耐药性的新疗法策略.
相关概念视频
DNA Damage can Stall the Cell Cycle
9.1K
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...
9.1K
Nucleotide Excision Repair
3.5K
DNA Distortion and Damage
Cells are regularly exposed to mutagens—factors in the environment that can damage DNA and generate mutations. UV radiation is one of the most common mutagens and is estimated to introduce a significant number of changes in DNA. These include bends or kinks in the structure, which can block DNA replication or transcription. If these errors are not fixed, the damage can cause mutations, which in turn can result in cancer or disease depending on which sequences are...
Cells are regularly exposed to mutagens—factors in the environment that can damage DNA and generate mutations. UV radiation is one of the most common mutagens and is estimated to introduce a significant number of changes in DNA. These include bends or kinks in the structure, which can block DNA replication or transcription. If these errors are not fixed, the damage can cause mutations, which in turn can result in cancer or disease depending on which sequences are...
3.5K
Cancer-Critical Genes II: Tumor Suppressor Genes
7.4K
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...
7.4K
Abnormal Proliferation
4.5K
Under normal conditions, most adult cells remain in a non-proliferative state unless stimulated by internal or external factors to replace lost cells. Abnormal cell proliferation is a condition in which the cell's growth exceeds and is uncoordinated with normal cells. In such situations, cell division persists in the same excessive manner even after cessation of the stimuli, leading to persistent tumors. The tumor arises from the damaged cells that replicate to pass the damage to the...
4.5K
Negative Regulator Molecules
35.3K
Positive regulators allow a cell to advance through cell cycle checkpoints. Negative regulators have an equally important role as they terminate a cell’s progression through the cell cycle—or pause it—until the cell meets specific criteria.
35.3K
Base Excision Repair
22.3K
One of the common DNA damages is the chemical alteration of single bases by alkylation, oxidation, or deamination. The altered bases cause mispairing and strand breakage during replication. This type of damage causes minimal change to the DNA double helix structure and can be repaired by the base excision repair (BER) pathways. BER corrects damaged DNA sequences by removing the damaged base and restoring the original base sequence using the complementary strand as a template.
The first step of...
The first step of...
22.3K

