Identification of skeletal muscle protein-tyrosine phosphatases by amplification of conserved cDNA sequences.
Identifieur interne : 004876 ( Main/Exploration ); précédent : 004875; suivant : 004877Identification of skeletal muscle protein-tyrosine phosphatases by amplification of conserved cDNA sequences.
Auteurs : W R Zhang [États-Unis] ; B J GoldsteinSource :
- Biochemical and biophysical research communications [ 0006-291X ] ; 1991.
Descripteurs français
- KwdFr :
- ADN (génétique), ADN (isolement et purification), ARN messager (génétique), ARN messager (isolement et purification), Animaux, Banque de gènes, Clonage moléculaire, Données de séquences moléculaires, Lignées consanguines de rats, Muscles (enzymologie), Mâle, Phosphoprotein Phosphatases (génétique), Protein Tyrosine Phosphatases, Rats, Similitude de séquences d'acides nucléiques, Sondes oligonucléotidiques, Souris, Spécificité d'organe, Séquence d'acides aminés, Séquence nucléotidique, Techniques d'amplification d'acides nucléiques, Évolution biologique.
- MESH :
- enzymologie : Muscles.
- génétique : ADN, ARN messager, Phosphoprotein Phosphatases.
- isolement et purification : ADN, ARN messager.
- Animaux, Banque de gènes, Clonage moléculaire, Données de séquences moléculaires, Lignées consanguines de rats, Mâle, Protein Tyrosine Phosphatases, Rats, Similitude de séquences d'acides nucléiques, Sondes oligonucléotidiques, Souris, Spécificité d'organe, Séquence d'acides aminés, Séquence nucléotidique, Techniques d'amplification d'acides nucléiques, Évolution biologique.
English descriptors
- KwdEn :
- Amino Acid Sequence, Animals, Base Sequence, Biological Evolution, Cloning, Molecular, DNA (genetics), DNA (isolation & purification), Gene Library, Male, Mice, Molecular Sequence Data, Muscles (enzymology), Nucleic Acid Amplification Techniques, Oligonucleotide Probes, Organ Specificity, Phosphoprotein Phosphatases (genetics), Protein Tyrosine Phosphatases, RNA, Messenger (genetics), RNA, Messenger (isolation & purification), Rats, Rats, Inbred Strains, Sequence Homology, Nucleic Acid.
- MESH :
- chemical , genetics : DNA, Phosphoprotein Phosphatases, RNA, Messenger.
- chemical , isolation & purification : DNA, RNA, Messenger.
- enzymology : Muscles.
- Amino Acid Sequence, Animals, Base Sequence, Biological Evolution, Cloning, Molecular, Gene Library, Male, Mice, Molecular Sequence Data, Nucleic Acid Amplification Techniques, Oligonucleotide Probes, Organ Specificity, Protein Tyrosine Phosphatases, Rats, Rats, Inbred Strains, Sequence Homology, Nucleic Acid.
Abstract
Specific protein-tyrosine phosphatase (PTPase) enzymes that regulate signal transduction by the insulin receptor in target tissues have not been identified. We evaluated the expression of PTPase homologs in skeletal muscle since this tissue is the major site of insulin-mediated glucose disposal in vivo. A rat skeletal muscle cDNA pool was prepared with a set of degenerate oligonucleotide primers and PTPase cDNA sequences were amplified using pairs of "guess-mers" that were deduced from highly conserved residues within the known catalytic domains of these enzymes. Sequences encoding three "receptor-like" transmembrane PTPases were identified and two of these (known as LAR and LRP) were confirmed to be expressed in muscle by subsequent cDNA library screening and Northern blot analysis. The expression of the LAR and LRP PTPases in skeletal muscle suggests that these enzymes might have a role in the regulation of insulin action in muscle and other insulin-sensitive tissues.
DOI: 10.1016/0006-291x(91)91034-a
PubMed: 1651716
Affiliations:
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Le document en format XML
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<series><title level="j">Biochemical and biophysical research communications</title>
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<term>Animals</term>
<term>Base Sequence</term>
<term>Biological Evolution</term>
<term>Cloning, Molecular</term>
<term>DNA (genetics)</term>
<term>DNA (isolation & purification)</term>
<term>Gene Library</term>
<term>Male</term>
<term>Mice</term>
<term>Molecular Sequence Data</term>
<term>Muscles (enzymology)</term>
<term>Nucleic Acid Amplification Techniques</term>
<term>Oligonucleotide Probes</term>
<term>Organ Specificity</term>
<term>Phosphoprotein Phosphatases (genetics)</term>
<term>Protein Tyrosine Phosphatases</term>
<term>RNA, Messenger (genetics)</term>
<term>RNA, Messenger (isolation & purification)</term>
<term>Rats</term>
<term>Rats, Inbred Strains</term>
<term>Sequence Homology, Nucleic Acid</term>
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<keywords scheme="KwdFr" xml:lang="fr"><term>ADN (génétique)</term>
<term>ADN (isolement et purification)</term>
<term>ARN messager (génétique)</term>
<term>ARN messager (isolement et purification)</term>
<term>Animaux</term>
<term>Banque de gènes</term>
<term>Clonage moléculaire</term>
<term>Données de séquences moléculaires</term>
<term>Lignées consanguines de rats</term>
<term>Muscles (enzymologie)</term>
<term>Mâle</term>
<term>Phosphoprotein Phosphatases (génétique)</term>
<term>Protein Tyrosine Phosphatases</term>
<term>Rats</term>
<term>Similitude de séquences d'acides nucléiques</term>
<term>Sondes oligonucléotidiques</term>
<term>Souris</term>
<term>Spécificité d'organe</term>
<term>Séquence d'acides aminés</term>
<term>Séquence nucléotidique</term>
<term>Techniques d'amplification d'acides nucléiques</term>
<term>Évolution biologique</term>
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<term>Phosphoprotein Phosphatases</term>
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<term>ARN messager</term>
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<term>Base Sequence</term>
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<term>Cloning, Molecular</term>
<term>Gene Library</term>
<term>Male</term>
<term>Mice</term>
<term>Molecular Sequence Data</term>
<term>Nucleic Acid Amplification Techniques</term>
<term>Oligonucleotide Probes</term>
<term>Organ Specificity</term>
<term>Protein Tyrosine Phosphatases</term>
<term>Rats</term>
<term>Rats, Inbred Strains</term>
<term>Sequence Homology, Nucleic Acid</term>
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<term>Banque de gènes</term>
<term>Clonage moléculaire</term>
<term>Données de séquences moléculaires</term>
<term>Lignées consanguines de rats</term>
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<term>Protein Tyrosine Phosphatases</term>
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<term>Similitude de séquences d'acides nucléiques</term>
<term>Sondes oligonucléotidiques</term>
<term>Souris</term>
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<term>Séquence d'acides aminés</term>
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<front><div type="abstract" xml:lang="en">Specific protein-tyrosine phosphatase (PTPase) enzymes that regulate signal transduction by the insulin receptor in target tissues have not been identified. We evaluated the expression of PTPase homologs in skeletal muscle since this tissue is the major site of insulin-mediated glucose disposal in vivo. A rat skeletal muscle cDNA pool was prepared with a set of degenerate oligonucleotide primers and PTPase cDNA sequences were amplified using pairs of "guess-mers" that were deduced from highly conserved residues within the known catalytic domains of these enzymes. Sequences encoding three "receptor-like" transmembrane PTPases were identified and two of these (known as LAR and LRP) were confirmed to be expressed in muscle by subsequent cDNA library screening and Northern blot analysis. The expression of the LAR and LRP PTPases in skeletal muscle suggests that these enzymes might have a role in the regulation of insulin action in muscle and other insulin-sensitive tissues.</div>
</front>
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<region><li>Massachusetts</li>
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<tree><noCountry><name sortKey="Goldstein, B J" sort="Goldstein, B J" uniqKey="Goldstein B" first="B J" last="Goldstein">B J Goldstein</name>
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<country name="États-Unis"><region name="Massachusetts"><name sortKey="Zhang, W R" sort="Zhang, W R" uniqKey="Zhang W" first="W R" last="Zhang">W R Zhang</name>
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