2012
Trajectories and nuclear arrangement of PML bodies are influenced by A-type lamin deficiency
STIXOVÁ, Lenka; Pavel MATULA; Stanislav KOZUBEK; Dušan CMARKO; Adriana GOMBITOVÁ et al.Základní údaje
Originální název
Trajectories and nuclear arrangement of PML bodies are influenced by A-type lamin deficiency
Autoři
STIXOVÁ, Lenka; Pavel MATULA; Stanislav KOZUBEK; Dušan CMARKO; Adriana GOMBITOVÁ; Ivan RAŠKA a Eva BÁRTOVÁ
Vydání
Biology of the Cell, 2012, 0248-4900
Další údaje
Jazyk
angličtina
Typ výsledku
Článek v odborném periodiku
Obor
Genetika a molekulární biologie
Stát vydavatele
Francie
Utajení
není předmětem státního či obchodního tajemství
Odkazy
Impakt faktor
Impact factor: 3.488
Kód RIV
RIV/00216224:14330/12:00057299
Organizační jednotka
Fakulta informatiky
UT WoS
000305990900006
Klíčová slova anglicky
ACUTE PROMYELOCYTIC LEUKEMIA; DOUBLE-STRAND BREAKS; HUMAN-CELLS; PROTEIN STRUCTURES; STEM-CELLS; RAR-ALPHA; RNA; TELOMERE; HETEROCHROMATIN; TRANSCRIPTION
Příznaky
Mezinárodní význam, Recenzováno
Změněno: 15. 4. 2013 00:18, RNDr. Pavel Šmerk, Ph.D.
Anotace
V originále
Background information Promyelocytic leukaemia (PML) bodies are specific nuclear structures with functional significance for acute promyelocytic leukaemia. In this study, we analysed the trajectories of PML bodies using single-particle tracking. Results We observed that the recovery of PML protein after photobleaching was ATP dependent in both wild-type (wt) and A-type lamin-deficient cells. The movement of PML bodies was faster and the nuclear area occupied by particular PML bodies was larger in A-type lamin-deficient fibroblasts compared with their wt counterparts. Moreover, dysfunction of the LMNA gene increased the frequency of mutual interactions between individual PML bodies and influenced the morphology of these domains at the ultrastructural level. As a consequence of A-type lamin deficiency, PML protein accumulated in nuclear blebs and frequently appeared at the nuclear periphery. Conclusions We suggest that the physiological function of lamin A proteins is important for events that occur in the compartment of PML bodies. This observation was confirmed in other experimental models characterised by lamin changes, including apoptosis or the differentiation of mouse embryonic stem cells.
Návaznosti
| GBP302/12/G157, projekt VaV |
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