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Immunologically silent cancer clone transmission from mother to offspring.


ABSTRACT: Rare cases of possible materno-fetal transmission of cancer have been recorded over the past 100 years but evidence for a shared cancer clone has been very limited. We provide genetic evidence for mother to offspring transmission, in utero, of a leukemic cell clone. Maternal and infant cancer clones shared the same unique BCR-ABL1 genomic fusion sequence, indicating a shared, single-cell origin. Microsatellite markers in the infant cancer were all of maternal origin. Additionally, the infant, maternally-derived cancer cells had a major deletion on one copy of chromosome 6p that included deletion of HLA alleles that were not inherited by the infant (i.e., foreign to the infant), suggesting a possible mechanism for immune evasion.

SUBMITTER: Isoda T 

PROVIDER: S-EPMC2764945 | biostudies-literature | 2009 Oct

REPOSITORIES: biostudies-literature

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Immunologically silent cancer clone transmission from mother to offspring.

Isoda Takeshi T   Ford Anthony M AM   Tomizawa Daisuke D   van Delft Frederik W FW   De Castro David Gonzalez DG   Mitsuiki Norkio N   Score Joannah J   Taki Tomohiko T   Morio Tomohiro T   Takagi Masatoshi M   Saji Hiroh H   Greaves Mel M   Mizutani Shuki S  

Proceedings of the National Academy of Sciences of the United States of America 20091012 42


Rare cases of possible materno-fetal transmission of cancer have been recorded over the past 100 years but evidence for a shared cancer clone has been very limited. We provide genetic evidence for mother to offspring transmission, in utero, of a leukemic cell clone. Maternal and infant cancer clones shared the same unique BCR-ABL1 genomic fusion sequence, indicating a shared, single-cell origin. Microsatellite markers in the infant cancer were all of maternal origin. Additionally, the infant, ma  ...[more]

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2018-02-20 | GSE110888 | GEO