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Sökning: onr:"swepub:oai:prod.swepub.kib.ki.se:134209995" > Entinostat up-regul...
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| Fältnamn | Indikatorer | Metadata |
|---|---|---|
| 000 | 02915naa a2200385 4500 | |
| 001 | oai:prod.swepub.kib.ki.se:134209995 | |
| 003 | SwePub | |
| 008 | 240701s2016 | |||||||||||000 ||eng| | |
| 024 | 7 | a http://kipublications.ki.se/Default.aspx?queryparsed=id:1342099952 URI |
| 024 | 7 | a https://doi.org/10.1038/srep332742 DOI |
| 040 | a (SwePub)ki | |
| 041 | a engb eng | |
| 042 | 9 SwePub | |
| 072 | 7 | a ref2 swepub-contenttype |
| 072 | 7 | a art2 swepub-publicationtype |
| 100 | 1 | a Miraglia, E4 aut |
| 245 | 1 0 | a Entinostat up-regulates the CAMP gene encoding LL-37 via activation of STAT3 and HIF-1α transcription factors |
| 264 | c 2016-09-16 | |
| 264 | 1 | b Springer Science and Business Media LLC,c 2016 |
| 520 | a Bacterial resistance against classical antibiotics is a growing problem and the development of new antibiotics is limited. Thus, novel alternatives to antibiotics are warranted. Antimicrobial peptides (AMPs) are effector molecules of innate immunity that can be induced by several compounds, including vitamin D and phenyl-butyrate (PBA). Utilizing a luciferase based assay, we recently discovered that the histone deacetylase inhibitor Entinostat is a potent inducer of the CAMP gene encoding the human cathelicidin LL-37. Here we investigate a mechanism for the induction and also find that Entinostat up-regulates human β-defensin 1. Analysis of the CAMP promoter sequence revealed binding sites for the transcription factors STAT3 and HIF-1α. By using short hairpin RNA and selective inhibitors, we found that both transcription factors are involved in Entinostat-induced expression of LL-37. However, only HIF-1α was found to be recruited to the CAMP promoter, suggesting that Entinostat activates STAT3, which promotes transcription of CAMP by increasing the expression of HIF-1α. Finally, we provide in vivo relevance to our findings by showing that Entinostat-elicited LL-37 expression was impaired in macrophages from a patient with a STAT3-mutation. Combined, our findings support a role for STAT3 and HIF-1α in the regulation of LL-37 expression. | |
| 700 | 1 | a Nylen, F4 aut |
| 700 | 1 | a Johansson, Ku Karolinska Institutet4 aut |
| 700 | 1 | a Arner, Eu Karolinska Institutet4 aut |
| 700 | 1 | a Cebula, M4 aut |
| 700 | 1 | a Farmand, Su Karolinska Institutet4 aut |
| 700 | 1 | a Ottosson, Hu Karolinska Institutet4 aut |
| 700 | 1 | a Stromberg, Ru Karolinska Institutet4 aut |
| 700 | 1 | a Gudmundsson, GH4 aut |
| 700 | 1 | a Agerberth, Bu Karolinska Institutet4 aut |
| 700 | 1 | a Bergman, Pu Karolinska Institutet4 aut |
| 710 | 2 | a Karolinska Institutet4 org |
| 773 | 0 | t Scientific reportsd : Springer Science and Business Media LLCg 6, s. 33274-q 6<33274-x 2045-2322 |
| 856 | 4 | u https://www.nature.com/articles/srep33274.pdf |
| 856 | 4 8 | u http://kipublications.ki.se/Default.aspx?queryparsed=id:134209995 |
| 856 | 4 8 | u https://doi.org/10.1038/srep33274 |
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