| RRC ID |
61923
|
| 著者 |
Makino T, Haruyama M, Katayama K, Terashima H, Tsunemi T, Miyazaki K, Terakawa M, Yamashiro K, Yoshioka R, Maeda H.
|
| タイトル |
Phenotypic-screening generates active novel fetal globin-inducers that downregulate Bcl11a in a monkey model.
|
| ジャーナル |
Biochem Pharmacol
|
| Abstract |
Heritable disorders associated with hemoglobin production are the most common monogenic disorders. These are mainly represented by disorders such as β-thalassemia and sickle cell disease. Induction of fetal hemoglobin (HbF) has been known to ameliorate the clinical severity of these β hemoglobinopathies. A high throughput phenotypic screening was used in this study to isolate novel compounds that may enhance the expression of γ-globin, the component of HbF, in human erythroid cell lines and primary erythroid progenitors derived from human CD34+ cells. The effect of lead compounds on epigenetic enzymes and key transcriptional factors was evaluated to identify their mode of action. One hit compound was further evaluated in vivo using monkey models. Among the ~18,000 compounds screened, 18 compounds were selected and tested to determine their ability to induce HbF in human erythroid cell lines and primary erythroid cells. One of these compounds, a 3-phenyl-isoxazole derivative, could potentially induce HbF in monkey bone marrow cells when administered orally. The compound downregulated negative transcriptional regulators of HbF, Bcl11a and LRF without inhibiting the known epigenetic enzymes. These studies demonstrated the advantages associated with phenotype-screening and identified novel fetal globin inducers that may be useful for treating hemoglobinopathies.
|
| 巻・号 |
171
|
| ページ |
113717
|
| 公開日 |
2020-1-1
|
| DOI |
10.1016/j.bcp.2019.113717
|
| PII |
S0006-2952(19)30416-2
|
| PMID |
31751536
|
| MeSH |
Animals
Antigens, CD34 / metabolism
Cell Differentiation / drug effects
Cell Differentiation / genetics
Cell Line
Down-Regulation / drug effects
Erythroblasts / cytology
Erythroblasts / drug effects
Erythroblasts / metabolism
Fetal Hemoglobin / genetics*
Fetal Hemoglobin / metabolism
Gene Expression Regulation / drug effects*
Hemoglobinopathies / genetics*
Hemoglobinopathies / metabolism
High-Throughput Screening Assays / methods
Humans
Macaca fascicularis
Phenotype
Repressor Proteins / genetics*
Repressor Proteins / metabolism
Xenobiotics / pharmacology*
Zinc Fingers*
|
| IF |
4.96
|
| リソース情報 |
| ヒト・動物細胞 |
HUDEP-2(RCB4557)
HUDEP-1(RCB4556) |
