Functional analysis of the murine T-Cell receptor β enhancer and characteristics of its DNA-binding proteins

Junji Takeda, Alec Cheng, Fabienne Mauxion, Christopher A. Nelson, Rodney D. Newberry, William C. Sha, Ranjan Sen, Dennis Y. Loh

Research output: Contribution to journalArticle

Abstract

The minimal T-cell receptor (TCR) β-chain (TCRβ) enhancer has been identified by transfection into lymphoid cells. The minimal enhancer was active in T cells and in some B-lineage cells. When a larger fragment containing the minimal enhancer was used, its activity was apparent only in T cells. Studies with phytohemagglutinin and 4β-phorbol-12,13-dibutyrate revealed that the enhancer activity was increased by these agents. By a combination of DNase I footprinting, gel mobility shift assay, and methylation interference analysis, seven different motifs were identified within the minimal enhancer. Furthermore, competition experiments showed that some of these elements bound identical or similar factors that are known to bind to the TCR Vβ promoter decamer or to the immunoglobulin enhancer κE2 or μEBP-E motif. These shared motifs may be important in the differential gene activity among the different lymphoid subsets.

Original languageEnglish (US)
Pages (from-to)5027-5035
Number of pages9
JournalMolecular and Cellular Biology
Volume10
Issue number10
StatePublished - 1990
Externally publishedYes

Fingerprint

DNA-Binding Proteins
T-Cell Antigen Receptor
Phorbol 12,13-Dibutyrate
T-Lymphocytes
Deoxyribonuclease I
Phytohemagglutinins
Electrophoretic Mobility Shift Assay
Methylation
Transfection
Immunoglobulins
Gels
Lymphocytes
Genes

ASJC Scopus subject areas

  • Molecular Biology
  • Genetics
  • Cell Biology

Cite this

Takeda, J., Cheng, A., Mauxion, F., Nelson, C. A., Newberry, R. D., Sha, W. C., ... Loh, D. Y. (1990). Functional analysis of the murine T-Cell receptor β enhancer and characteristics of its DNA-binding proteins. Molecular and Cellular Biology, 10(10), 5027-5035.

Functional analysis of the murine T-Cell receptor β enhancer and characteristics of its DNA-binding proteins. / Takeda, Junji; Cheng, Alec; Mauxion, Fabienne; Nelson, Christopher A.; Newberry, Rodney D.; Sha, William C.; Sen, Ranjan; Loh, Dennis Y.

In: Molecular and Cellular Biology, Vol. 10, No. 10, 1990, p. 5027-5035.

Research output: Contribution to journalArticle

Takeda, J, Cheng, A, Mauxion, F, Nelson, CA, Newberry, RD, Sha, WC, Sen, R & Loh, DY 1990, 'Functional analysis of the murine T-Cell receptor β enhancer and characteristics of its DNA-binding proteins', Molecular and Cellular Biology, vol. 10, no. 10, pp. 5027-5035.
Takeda J, Cheng A, Mauxion F, Nelson CA, Newberry RD, Sha WC et al. Functional analysis of the murine T-Cell receptor β enhancer and characteristics of its DNA-binding proteins. Molecular and Cellular Biology. 1990;10(10):5027-5035.
Takeda, Junji ; Cheng, Alec ; Mauxion, Fabienne ; Nelson, Christopher A. ; Newberry, Rodney D. ; Sha, William C. ; Sen, Ranjan ; Loh, Dennis Y. / Functional analysis of the murine T-Cell receptor β enhancer and characteristics of its DNA-binding proteins. In: Molecular and Cellular Biology. 1990 ; Vol. 10, No. 10. pp. 5027-5035.
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