Linked Life Data

9334257

Source:http://linkedlifedata.com/resource/pubmed/id/9334257

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PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
42
pubmed:dateCreated
1997-11-17
pubmed:databankReference
pubmed:abstractText
Low ratio hybridization subtraction technique was previously used in this laboratory to enrich and isolate a number of low abundance UV-inducible hamster transcripts (Fornace, A. J., Jr., Alamo, I. J., and Hollander, M. C. (1988) Proc. Natl. Acad. Sci. U. S. A. 85, 8800-8804) that led to the identification and cloning of five important hamster and human GADD genes (Fornace, A. J., Jr., Nebert, D. W., Hollander, M. C., Luethy, J. D., Papathanasiou, M., Fargnoli, J., and Holbrook, N. J. (1989) Mol. Cell. Biol. 9, 4196-4203). In this study we have characterized the remaining DNA damage-inducible (DDI) transcripts. Of the 24 DDI clones, 3 clones (A13, A20, and A113) representing different regions of the same hamster cDNA exhibited near perfect homology to human p21(WAF1/CIP1) cDNA. The DDI clones A26, A88, and A99 displayed very high sequence homologies with the human proliferating nuclear antigen, rat translation initiation factor-5 (eIF-5), and human thrombomodulin, respectively, whereas clones A29 and A121 matched with express sequence tagged sequences of unknown identity. The DDI clones A18, 106, and A107 were different isolates of the same hamster cDNA (hereafter referred to as A18) and displayed high sequence homology with the members in the heterogeneous ribonucleoprotein (hnRNP) family. Using the hamster A18 partial-length cDNA as a probe, we screened human fibroblast cDNA library and isolated the corresponding full-length human cDNA. The deduced amino acid sequence revealed that the putative protein contains all the canonical features of a novel glycine-rich hnRNP. The A18 mRNA levels were specifically increased in response to DNA damage induced by UV irradiation or UV mimetic agents. Thus the putative A18 hnRNP is the first hnRNP whose mRNA is specifically regulated in response to UV-induced DNA damage; accordingly, it may play some role in repair of UV-type DNA damage.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Oct
pubmed:issn
0021-9258
pubmed:author
pubmed:issnType
Print
pubmed:day
17
pubmed:volume
272
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
26720-6
pubmed:dateRevised
2005-11-17
pubmed:meshHeading
pubmed:year
1997
pubmed:articleTitle
Identification of several human homologs of hamster DNA damage-inducible transcripts. Cloning and characterization of a novel UV-inducible cDNA that codes for a putative RNA-binding protein.
pubmed:affiliation
Laboratory of Molecular Pharmacology, NCI, National Institutes of Health, Bethesda, Maryland 20892, USA. mssheikh@box-m.nih.gov
pubmed:publicationType
Journal Article