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Predicate | Object |
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rdf:type | |
lifeskim:mentions | |
pubmed:issue |
37
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pubmed:dateCreated |
1994-10-11
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pubmed:abstractText |
Arylsulfatase A is a lysosomal enzyme that is involved in the degradation of sulfated glycolipids. High levels of arylsulfatase A mRNA are found in germ cells of mouse testis. In late pachytene and secondary spermatocytes the level of arylsulfatase A mRNA is increased 20-fold when compared with other tissues. These high levels of arylsulfatase A mRNA are maintained in round spermatids and decrease in late elongating spermatids. The increase of arylsulfatase A mRNA levels is not accompanied by a similar increase in enzyme activity or polypeptides. Subcellular fractionation revealed that the majority of arylsulfatase A mRNA is not associated with polysomes but is found in fractions of lower buoyancy. The failure to become translated is ascribed to the association of arylsulfatase A mRNA with nonpolysomal ribonucleoproteins. This translational repression may be due to proteins that bind to arylsulfatase A mRNA and prevent its translation. Within the 639-nucleotide 5'-untranslated region and the 700-nucleotide 3'-untranslated region of the arylsulfatase A mRNA, we identified two regions that specifically bind proteins present in extracts prepared from testicular cells. These RNA binding proteins were absent from extracts prepared from liver or brain.
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pubmed:language |
eng
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pubmed:journal | |
pubmed:citationSubset |
IM
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pubmed:chemical | |
pubmed:status |
MEDLINE
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pubmed:month |
Sep
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pubmed:issn |
0021-9258
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pubmed:author | |
pubmed:issnType |
Print
|
pubmed:day |
16
|
pubmed:volume |
269
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pubmed:owner |
NLM
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pubmed:authorsComplete |
Y
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pubmed:pagination |
23255-61
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pubmed:dateRevised |
2006-11-15
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pubmed:meshHeading |
pubmed-meshheading:7916017-Animals,
pubmed-meshheading:7916017-Cerebroside-Sulfatase,
pubmed-meshheading:7916017-Gene Expression Regulation, Enzymologic,
pubmed-meshheading:7916017-Male,
pubmed-meshheading:7916017-Mice,
pubmed-meshheading:7916017-Peptides,
pubmed-meshheading:7916017-Protein Biosynthesis,
pubmed-meshheading:7916017-RNA, Messenger,
pubmed-meshheading:7916017-RNA-Binding Proteins,
pubmed-meshheading:7916017-Spermatocytes,
pubmed-meshheading:7916017-Testis,
pubmed-meshheading:7916017-Tissue Distribution
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pubmed:year |
1994
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pubmed:articleTitle |
Translational control of arylsulfatase A expression in mouse testis.
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pubmed:affiliation |
Georg-August-Universität, Göttingen, Federal Republic of Germany.
|
pubmed:publicationType |
Journal Article,
Research Support, Non-U.S. Gov't
|