Cloning and sequence analysis of the rat tumor necrosis factor-encoding genes

Jongbum Kwon; Yup Chung; Etty N. Benveniste

doi:10.1016/0378-1119(93)90200-M

Cloning and sequence analysis of the rat tumor necrosis factor-encoding genes

Jongbum Kwon, Yup Chung, Etty N. Benveniste

Department of Life Science

Research output: Contribution to journal › Article › peer-review

50 Scopus citations

Abstract

We have isolated an approximately 22-kb TNF locus (encoding tumor necrosis factor) from a rat genomic library and sequenced the 7105-bp fragment that comprises the TNF-α and TNF-β genes, including their flanking sequences. The two genes are tandemly arranged with TNF-β 5' to TNF-α and separated by approximately 1.1 kb of intergenic space, and each gene consists of four exons and three introns, similar to those of the other species examined thus far. Comparison analysis showed that the rat TNF have high sequence homology with the mouse TNF (TNF-α, 86.5%; TNF-β, 89.3%) and relatively low homology with the human, rabbit, and porcine TNF. The upstream sequence of rat TNF-α. contains a number of sequence motifs implicated in the expression and regulation of eukaryotic genes, including binding sites for the transcription factors Sp-1, Ap-2, IFN.l and NF-KB. The possible significance of potential regulatory sequence elements found in the rat TNF-α in the context of transcriptional regulatory mechanisms is discussed.

Original language	English
Pages (from-to)	227-236
Number of pages	10
Journal	Gene
Volume	132
Issue number	2
DOIs	https://doi.org/10.1016/0378-1119(93)90200-M
State	Published - 15 Oct 1993

Bibliographical note

Funding Information:
We thank Sue Wadef or excellents ecretariaal ssistance and Dr. Casey Morrow for critical readingo f the manuscript. This work was supportedi n part by grants RG-2205-A-3a nd RG-2269-A-4f rom the National Multiple SclerosisS ociety( E.N.B.)a nd by theD NA SequenceC ore Facility of the University of Alabama at Birmingham Centerf or AIDS ResearchP rogram Grant P30 Al27767 from the NIH.

Keywords

Astrocytes
nuclear factor-KB
sequence comparison
transcriptional regulation

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10.1016/0378-1119(93)90200-M

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title = "Cloning and sequence analysis of the rat tumor necrosis factor-encoding genes",

abstract = "We have isolated an approximately 22-kb TNF locus (encoding tumor necrosis factor) from a rat genomic library and sequenced the 7105-bp fragment that comprises the TNF-α and TNF-β genes, including their flanking sequences. The two genes are tandemly arranged with TNF-β 5' to TNF-α and separated by approximately 1.1 kb of intergenic space, and each gene consists of four exons and three introns, similar to those of the other species examined thus far. Comparison analysis showed that the rat TNF have high sequence homology with the mouse TNF (TNF-α, 86.5%; TNF-β, 89.3%) and relatively low homology with the human, rabbit, and porcine TNF. The upstream sequence of rat TNF-α. contains a number of sequence motifs implicated in the expression and regulation of eukaryotic genes, including binding sites for the transcription factors Sp-1, Ap-2, IFN.l and NF-KB. The possible significance of potential regulatory sequence elements found in the rat TNF-α in the context of transcriptional regulatory mechanisms is discussed.",

keywords = "Astrocytes, nuclear factor-KB, sequence comparison, transcriptional regulation",

author = "Jongbum Kwon and Yup Chung and Benveniste, {Etty N.}",

note = "Funding Information: We thank Sue Wadef or excellents ecretariaal ssistance and Dr. Casey Morrow for critical readingo f the manuscript. This work was supportedi n part by grants RG-2205-A-3a nd RG-2269-A-4f rom the National Multiple SclerosisS ociety( E.N.B.)a nd by theD NA SequenceC ore Facility of the University of Alabama at Birmingham Centerf or AIDS ResearchP rogram Grant P30 Al27767 from the NIH.",

year = "1993",

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doi = "10.1016/0378-1119(93)90200-M",

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AU - Chung, Yup

AU - Benveniste, Etty N.

N1 - Funding Information: We thank Sue Wadef or excellents ecretariaal ssistance and Dr. Casey Morrow for critical readingo f the manuscript. This work was supportedi n part by grants RG-2205-A-3a nd RG-2269-A-4f rom the National Multiple SclerosisS ociety( E.N.B.)a nd by theD NA SequenceC ore Facility of the University of Alabama at Birmingham Centerf or AIDS ResearchP rogram Grant P30 Al27767 from the NIH.

PY - 1993/10/15

Y1 - 1993/10/15

N2 - We have isolated an approximately 22-kb TNF locus (encoding tumor necrosis factor) from a rat genomic library and sequenced the 7105-bp fragment that comprises the TNF-α and TNF-β genes, including their flanking sequences. The two genes are tandemly arranged with TNF-β 5' to TNF-α and separated by approximately 1.1 kb of intergenic space, and each gene consists of four exons and three introns, similar to those of the other species examined thus far. Comparison analysis showed that the rat TNF have high sequence homology with the mouse TNF (TNF-α, 86.5%; TNF-β, 89.3%) and relatively low homology with the human, rabbit, and porcine TNF. The upstream sequence of rat TNF-α. contains a number of sequence motifs implicated in the expression and regulation of eukaryotic genes, including binding sites for the transcription factors Sp-1, Ap-2, IFN.l and NF-KB. The possible significance of potential regulatory sequence elements found in the rat TNF-α in the context of transcriptional regulatory mechanisms is discussed.

AB - We have isolated an approximately 22-kb TNF locus (encoding tumor necrosis factor) from a rat genomic library and sequenced the 7105-bp fragment that comprises the TNF-α and TNF-β genes, including their flanking sequences. The two genes are tandemly arranged with TNF-β 5' to TNF-α and separated by approximately 1.1 kb of intergenic space, and each gene consists of four exons and three introns, similar to those of the other species examined thus far. Comparison analysis showed that the rat TNF have high sequence homology with the mouse TNF (TNF-α, 86.5%; TNF-β, 89.3%) and relatively low homology with the human, rabbit, and porcine TNF. The upstream sequence of rat TNF-α. contains a number of sequence motifs implicated in the expression and regulation of eukaryotic genes, including binding sites for the transcription factors Sp-1, Ap-2, IFN.l and NF-KB. The possible significance of potential regulatory sequence elements found in the rat TNF-α in the context of transcriptional regulatory mechanisms is discussed.

KW - Astrocytes

KW - nuclear factor-KB

KW - sequence comparison

KW - transcriptional regulation

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Cloning and sequence analysis of the rat tumor necrosis factor-encoding genes

Abstract

Bibliographical note

Keywords

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