نتایج جستجو برای: eto
تعداد نتایج: 1205 فیلتر نتایج به سال:
As reported previously, AML1-ETO knock-in mice were generated to investigate the role of AML1-ETO in leukemogenesis and to mimic the progression of t(8;21) leukemia. These knock-in mice died in midgestation because of hemorrhaging in the central nervous system and a block of definitive hematopoiesis during embryogenesis. Therefore, they are not a good model system for the development of acute m...
E proteins are a family of helix-loop-helix transcription factors that play important roles in cell differentiation and homeostasis. They contain at least two activation domains, AD1 and AD2. ETO family proteins and the leukemogenic AML1-ETO fusion protein are corepressors of E proteins. It is thought that ETO represses E-protein activity by interacting with AD1, which competes away p300/CBP hi...
The AML1-ETO fusion protein, generated by the t(8;21) chromosomal translocation, is causally involved in nearly 15% of acute myeloid leukemia (AML) cases. This study shows that AML1-ETO, as well as ETO, inhibits transcriptional activation by E proteins through stable interactions that preclude recruitment of p300/CREB-binding protein (CBP) coactivators. These interactions are mediated by a cons...
BACKGROUND Ethylene oxide (EtO), an important industrial chemical intermediate and sterilant, is classified as a human carcinogen. Occupational EtO exposure in many countries is regulated at 1 ppm (8-hr TWA), but levels of EtO-DNA adducts in humans with low occupational EtO exposures have not been reported. METHODS We examined the formation of N7-(2'-hydroxyethyl)guanine (N7-HEG), a major DNA...
BACKGROUND We aimed to investigate the effect of electroacupuncture at Zusanli (ST36) and Sanyinjiao (SP6) on adrenocortical function in patients with etomidate anesthesia. MATERIAL AND METHODS We randomly divided 80 patients who underwent elective surgery into 4 groups: group etomidate (ETO), group etomidate + electroacupuncture (ETO+EA), group etomidate + sham acupuncture (ETO+SEA), and gro...
AML1-ETO is generated from t(8;21)(q22;q22), which is a common form of chromosomal translocation associated with development of acute myeloid leukemia (AML). Although full-length AML1-ETO alone fails to promote leukemia because of its detrimental effects on cell proliferation, an alternatively spliced isoform, AML1-ETO9a, without its C-terminal NHR3/NHR4 domains, strongly induces leukemia. Howe...
The AML1 gene, located on chromosome 21, is involved in several distinct chromosomal translocations in human leukemia. In t(8;21) acute myelogenous leukemia (AML), the AML1 gene is juxtaposed to the ETO gene located on chromosome 8, generating an AML1/ETO fusion protein. Both AML1/ETO and the AML1 proteins recognize the same consensus DNA-binding motif (TGT/CGGT), which is found in the promoter...
In t(8;21) acute myeloid leukemia (AML), the AML1/ETO fusion protein promotes leukemogenesis by recruiting class I histone deacetylase (HDAC)-containing repressor complex to the promoter of AML1 target genes. Valproic acid (VPA), a commonly used antiseizure and mood stabilizer drug, has been shown to cause growth arrest and induce differentiation of malignant cells via HDAC inhibition. VPA caus...
My own experience in the medical treatment of a lot of patients for 20 years has proved that many cases have both Laryngopharyngeal reflux (LPR) and Eustachian tube obstruction (ETO) at the same time. In these cases, ETO can be a cause of LPR, or, conversely, LPR can be a cause of ETO, and hence it is natural that a concept of a ‘reciprocal causal relationship between LPR and ETO’ emerges from ...
The 8;21 translocation, which involves the gene encoding the RUNX family DNA-binding transcription factor AML1 (RUNX1) on chromosome 21 and the ETO (MTG8) gene on chromosome 8, generates AML1-ETO fusion proteins. Previous analyses have demonstrated that full-length AML1-ETO blocks AML1 function and requires additional mutagenic events to promote leukemia. More recently, we have identified an al...
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