Deprecated: Implicit conversion from float 211.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534
Deprecated: Implicit conversion from float 211.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534
Deprecated: Implicit conversion from float 211.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534
Warning: imagejpeg(C:\Inetpub\vhosts\kidney.de\httpdocs\phplern\26506391
.jpg): Failed to open stream: No such file or directory in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 117 Genes+(Basel)
2015 ; 6
(4
): 1076-112
Nephropedia Template TP
gab.com Text
Twit Text FOAVip
Twit Text #
English Wikipedia
Epigenetic Heterogeneity of B-Cell Lymphoma: Chromatin Modifiers
#MMPMID26506391
Hopp L
; Nersisyan L
; Löffler-Wirth H
; Arakelyan A
; Binder H
Genes (Basel)
2015[Oct]; 6
(4
): 1076-112
PMID26506391
show ga
We systematically studied the expression of more than fifty histone and DNA
(de)methylating enzymes in lymphoma and healthy controls. As a main result, we
found that the expression levels of nearly all enzymes become markedly disturbed
in lymphoma, suggesting deregulation of large parts of the epigenetic machinery.
We discuss the effect of DNA promoter methylation and of transcriptional activity
in the context of mutated epigenetic modifiers such as EZH2 and MLL2. As another
mechanism, we studied the coupling between the energy metabolism and epigenetics
via metabolites that act as cofactors of JmjC-type demethylases. Our study
results suggest that Burkitt's lymphoma and diffuse large B-cell Lymphoma differ
by an imbalance of repressive and poised promoters, which is governed
predominantly by the activity of methyltransferases and the underrepresentation
of demethylases in this regulation. The data further suggest that coupling of
epigenetics with the energy metabolism can also be an important factor in
lymphomagenesis in the absence of direct mutations of genes in metabolic
pathways. Understanding of epigenetic deregulation in lymphoma and possibly in
cancers in general must go beyond simple schemes using only a few modes of
regulation.