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WFRF:(Iwarsson Erik)
 

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LIBRIS Formathandbok  (Information om MARC21)
FältnamnIndikatorerMetadata
00003898naa a2200457 4500
001oai:DiVA.org:liu-59495
003SwePub
008100917s2010 | |||||||||||000 ||eng|
009oai:prod.swepub.kib.ki.se:121218487
024a https://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-594952 URI
024a https://doi.org/10.2174/1389202107931760562 DOI
024a http://kipublications.ki.se/Default.aspx?queryparsed=id:1212184872 URI
040 a (SwePub)liud (SwePub)ki
041 a engb eng
042 9 SwePub
072 7a ref2 swepub-contenttype
072 7a art2 swepub-publicationtype
100a Hultén, Maj Au University of Warwick4 aut
2451 0a Germinal and Somatic Trisomy 21 Mosaicism: How Common is it, What are the Implications for Individual Carriers and How Does it Come About?
264 1b Bentham Science Publishers Ltd,c 2010
338 a print2 rdacarrier
520 a It is well known that varying degrees of mosaicism for Trisomy 21, primarily a combination of normal and Trisomy 21 cells within individual tissues, may exist in the human population. This involves both Trisomy 21 mosaicism occurring in the germ line and Trisomy 21 mosaicism documented in different somatic tissues, or indeed a combination of both in the same subjects. Information on the incidence of Trisomy 21 mosaicism in different tissue samples from people with clinical features of Down syndrome as well as in the general population is, however, still limited. One of the main reasons for this lack of detailed knowledge is the technological problem of its identification, where in particular low grade/cryptic Trisomy 21 mosaicism, i.e. occurring in less than 3-5% of the respective tissues, can only be ascertained by fluorescence in situ hybridization (FISH) methods on large cell populations from the different tissue samples. In this review we summarize current knowledge in this field with special reference to the question on the likely incidence of germinal and somatic Trisomy 21 mosaicism in the general population and its mechanisms of origin. We also highlight the reproductive and clinical implications of this type of aneuploidy mosaicism for individual carriers. We conclude that the risk of begetting a child with Trisomy 21 Down syndrome most likely is related to the incidence of Trisomy 21 cells in the germ line of any carrier parent. The clinical implications for individual carriers may likewise be dependent on the incidence of Trisomy 21 in the relevant somatic tissues. Remarkably, for example, there are indications that Trisomy 21 mosaicism will predispose carriers to conditions such as childhood leukemia and Alzheimers Disease but there is on the other hand a possibility that the risk of solid cancers may be substantially reduced.
653 a Trisomy 21
653 a mosaicism
653 a germ line
653 a fetus
653 a childhood leukemia
653 a cancer
653 a Alzheimers Disease
653 a MEDICINE
653 a MEDICIN
700a Jonasson, Jonu Östergötlands Läns Landsting,Linköpings universitet,Molekylär och immunologisk patologi,Hälsouniversitetet,Klinisk patologi och klinisk genetik4 aut0 (Swepub:liu)jonjo59
700a Nordgren, Annu Karolinska Institutet4 aut
700a Iwarsson, Eriku Karolinska Institutet4 aut
710a University of Warwickb Molekylär och immunologisk patologi4 org
773t CURRENT GENOMICSd : Bentham Science Publishers Ltdg 11:6, s. 409-419q 11:6<409-419x 1389-2029x 1875-5488
856u http://www.bentham.org/cg/CurrentIssue.htmy Link to journal
856u https://europepmc.org/articles/pmc3018721?pdf=render
8564 8u https://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-59495
8564 8u https://doi.org/10.2174/138920210793176056
8564 8u http://kipublications.ki.se/Default.aspx?queryparsed=id:121218487

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