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Henri Gruffat

Researcher at Claude Bernard University Lyon 1

Publications -  68
Citations -  2588

Henri Gruffat is an academic researcher from Claude Bernard University Lyon 1. The author has contributed to research in topics: Transcription factor & Gene. The author has an hindex of 30, co-authored 65 publications receiving 2317 citations. Previous affiliations of Henri Gruffat include University of Lyon & École normale supérieure de Lyon.

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Epstein-Barr virus bicistronic mRNAs generated by facultative splicing code for two transcriptional trans-activators.

TL;DR: The EBV genome codes for several transcriptional trans-activators, such as BZLF1 open reading frame (ORF)-encoded product EB1, which is able to induce the productive cycle in infected B cells as mentioned in this paper.
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The enhancer factor R of Epstein-Barr virus (EBV) Is a sequence-specific DNA binding protein

TL;DR: It is shown that R, produced either by in vitro translation, or present in nuclear extracts from HeLa cells constitutively producing R, binds directly to and protects against DNAase I digestion, two regions in RRE-DR.
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MEF2-mediated recruitment of class II HDAC at the EBV immediate early gene BZLF1 links latency and chromatin remodeling

TL;DR: Evidence is presented that, during latency, proteins of the myocyte enhancer binding factor 2 (MEF2) family are bound to the BZLF1 promoter and recruit class II histone deacetylases, and it is proposed that latency is determined primarily by a specific and local recruitment of class II Histone de acetylase (HDAC) by MEF2D to theBZLf1 gene promoter.
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EBV Latent Membrane Protein 1 Is a Negative Regulator of TLR9

TL;DR: It is shown that EBV can alter the regulation and expression of TLRs, the key effector molecules of the innate immune response, and that the EBV oncoprotein latent membrane protein 1 (LMP1) is a strong inhibitor of TLR9 transcription.
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Epstein-Barr Virus mRNA Export Factor EB2 Is Essential for Production of Infectious Virus

TL;DR: It is shown that EB2 is necessary for the production of infectious EBV and that its function cannot be transcomplemented by a cellular factor, and two herpesvirus homologs of the EB2 protein, the herpes simplex virus type 1 protein ICP27 and the human cytomegalovirus protein UL69, only partly rescued the phenotype of theEBVBMLF1-KO mutant.