2016
Genomewide profiling of copy-number alteration in monoclonal gammopathy of undetermined significance
MIKULÁŠOVÁ, Aneta; Jan SMETANA; Markéta WAYHELOVÁ; Helena JANYŠKOVÁ; Viera SANDECKÁ et al.Základní údaje
Originální název
Genomewide profiling of copy-number alteration in monoclonal gammopathy of undetermined significance
Autoři
MIKULÁŠOVÁ, Aneta; Jan SMETANA; Markéta WAYHELOVÁ; Helena JANYŠKOVÁ ORCID; Viera SANDECKÁ; Zuzana KUFOVÁ; Martina ALMÁŠI; Jiří JARKOVSKÝ ORCID; Evzen GREGORA; Petr KESSLER; Marek WROBEL; Brian WALKER; Christopher WARDELL; Gareth MORGAN; Roman HÁJEK a Petr KUGLÍK
Vydání
European Journal of Haematology, Wiley-Blackwell Munksgaard, 2016, 0902-4441
Další údaje
Jazyk
angličtina
Typ výsledku
Článek v odborném periodiku
Obor
Genetika a molekulární biologie
Stát vydavatele
Spojené státy
Utajení
není předmětem státního či obchodního tajemství
Odkazy
Impakt faktor
Impact factor: 2.653
Označené pro přenos do RIV
Ano
Kód RIV
RIV/00216224:14310/16:00088878
Organizační jednotka
Přírodovědecká fakulta
UT WoS
EID Scopus
Klíčová slova anglicky
DNA copy-number changes; DNA microarrays; monoclonal gammopathies; prognosis
Příznaky
Mezinárodní význam, Recenzováno
Změněno: 6. 4. 2017 16:57, Ing. Andrea Mikešková
Anotace
V originále
Monoclonal gammopathy of undetermined significance (MGUS) is a benign condition with an approximate 1% annual risk of symptomatic plasma cell disorder development, mostly to multiple myeloma (MM). We performed genome-wide screening of copy-number alterations (CNAs) in 90 MGUS and 33 MM patients using high-density DNA microarrays. We identified CNAs in a smaller proportion of MGUS (65.6%) than in MM (100.0%, p=1.31×10-5 ) and showed median number of CNAs is lower in MGUS (3, range 0-22) than in MM (13, range 4-38, p=1.82×10-10 ). In the MGUS cohort, the most frequent losses were located at 1p (5.6%), 6q (6.7%), 13q (30.0%), 14q (14.4%), 16q (8.9%), 21q (5.6%) and gains at 1q (23.3%), 2p (6.7%), 6p (13.3%) and Xq (7.8%). Hyperdiploidy was detected in 38.9% of MGUS cases and the most frequent whole chromosome gains were 3 (25.6%), 5 (23.3%), 9 (37.8%), 15 (23.3%) and 19 (32.2%). We also identified CNAs such as 1p, 6q, 8p, 12p, 13q, 16q losses, 1q gain and hypodiploidy, which are potentially associated with an adverse prognosis in MGUS. In summary, we showed that MGUS is similar to MM in that it is a genetically heterogeneous disorder, but overall cytogenetic instability is lower than in MM, which confirms that genetic abnormalities play important role in monoclonal gammopathies.
Návaznosti
| NT13492, projekt VaV |
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