Construction of 700 human/mouse A9 monochromosomal hybrids and analysis of imprinted genes on human chromosome 6

As an in vitro assay system for the identification of human imprinted genes, a library of human/mouse A9 monochromosomal hybrids containing a single, intact bsr-tagged human chromosome of known parental origin, derived from normal human fibroblasts, has been previously generated by microcell-mediate...

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Veröffentlicht in:Journal of human genetics 2001-01, Vol.46 (3), p.137-145
Hauptverfasser: Inoue, J., Mitsuya, K., Maegawa, S., Kugoh, H., Kadota, M., Okamura, D., Shinohara, T., Nishihara, S., Takehara, S., Yamauchi, K., Schulz, T. C., Oshimura, M.
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container_end_page 145
container_issue 3
container_start_page 137
container_title Journal of human genetics
container_volume 46
creator Inoue, J.
Mitsuya, K.
Maegawa, S.
Kugoh, H.
Kadota, M.
Okamura, D.
Shinohara, T.
Nishihara, S.
Takehara, S.
Yamauchi, K.
Schulz, T. C.
Oshimura, M.
description As an in vitro assay system for the identification of human imprinted genes, a library of human/mouse A9 monochromosomal hybrids containing a single, intact bsr-tagged human chromosome of known parental origin, derived from normal human fibroblasts, has been previously generated by microcell-mediated chromosome transfer (MMCT). To supplement this assay system, we constructed additional 700 A9 monochromosomal hybrids, using a pST neo or pPGK neo selection marker. To validate the A9 hybrids, we screened them with chromosome-specific polymorphic markers, and identified the hybrids containing either human chromosome 6, 7, 14, 18, or 21 of known parental origin. Matching paternal and maternal chromosome pairs of A9 hybrids were identified for chromosomes 6, 7, 14, and 18. The paternal-specific expression of ZAC (zinc finger protein, which regulates apoptosis and cell cycle arrest) and HYMAI (hydatidiform mole-associated and imprinted transcript), and the maternal-specific methylation of a CpG island within an imprinted domain on human chromosome 6q24, were maintained in A9 hybrids. For an example, we profiled the expression of expressed sequence tags (ESTs) and the methylation of CpG islands in the 300-kb imprinted domain around 6q24, which may be associated with cancers and transient neonatal diabetes mellitus (TNDM). Thus, the 700 A9 hybrids should be useful for various aspects of imprinting studies.
doi_str_mv 10.1007/s100380170101
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subjects Animals
Apoptosis
Base Sequence
Biomedical and Life Sciences
Biomedicine
Cell cycle
Chromosome 6
Chromosomes
Chromosomes, Human, Pair 6 - genetics
CpG Islands
Diabetes mellitus
DNA Methylation
DNA Primers - genetics
Expressed Sequence Tags
Female
Fibroblasts
Gene Expression
Gene Function
Gene Therapy
Genetic Techniques
Genomic Imprinting
Human Genetics
Humans
Hybrid Cells
Hybrids
Hydatidiform mole
In Situ Hybridization, Fluorescence
Infant, Newborn
Male
Mice
Molecular Medicine
Neonates
Original Article
Transcription
Zinc finger proteins
title Construction of 700 human/mouse A9 monochromosomal hybrids and analysis of imprinted genes on human chromosome 6
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