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.jpg): Failed to open stream: No such file or directory in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 117 J+Cell+Biochem
2015 ; 116
(5
): 704-10
Nephropedia Template TP
gab.com Text
Twit Text FOAVip
Twit Text #
English Wikipedia
Quantitative superresolution microscopy reveals differences in nuclear DNA
organization of multiple myeloma and monoclonal gammopathy of undetermined
significance
#MMPMID25501803
Sathitruangsak C
; Righolt CH
; Klewes L
; Tammur P
; Ilus T
; Tamm A
; Punab M
; Olujohungbe A
; Mai S
J Cell Biochem
2015[May]; 116
(5
): 704-10
PMID25501803
show ga
The mammalian nucleus has a distinct substructure that cannot be visualized
directly by conventional microscopy. In this study, the organization of the DNA
within the nucleus of multiple myeloma (MM) cells, their precursor cells
(monoclonal gammopathy of undetermined significance; MGUS) and control
lymphocytes of the representative patients is visualized and quantified by
superresolution microscopy. Three-dimensional structured illumination microscopy
(3D-SIM) increases the spatial resolution beyond the limits of conventional
widefield fluorescence microscopy. 3D-SIM reveals new insights into the nuclear
architecture of cancer as we show for the first time that it resolves
organizational differences in intranuclear DNA organization of myeloma cells in
MGUS and in MM patients. In addition, we report a significant increase in nuclear
submicron DNA structure and structure of the DNA-free space in myeloma nuclei
compared to normal lymphocyte nuclei. Our study provides previously unknown
details of the nanoscopic DNA architecture of interphase nuclei of the normal
lymphocytes, MGUS and MM cells. This study opens new avenues to understanding the
disease progression from MGUS to MM.
|Aged
[MESH]
|Aged, 80 and over
[MESH]
|Cell Line, Tumor
[MESH]
|Cell Nucleus/*ultrastructure
[MESH]
|DNA/*ultrastructure
[MESH]
|Humans
[MESH]
|Lymphocytes/ultrastructure
[MESH]
|Microscopy
[MESH]
|Middle Aged
[MESH]
|Monoclonal Gammopathy of Undetermined Significance/genetics/*pathology
[MESH]