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Regulation of Na+/H+ Exchanger Gene Expression: Role of a poly T rich region in regulation of expression of the NHE1 promoter
Download1996-01-01
Yang, Weidong, Wang, Huayan, Fliegel, Larry
In this study we examine regulation of expression of the Na+/H+ exchanger promoter in L6 and NIH 3T3 cells. We have identified a highly conserved poly(dA·dT)-rich region that appears to be important in regulation of expression of the NHE1 gene. Deletion or mutation of this region results in...
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Specific Activation of the Na+/H+ exchanger gene during neuronal differentiation of embryonal carcinoma cells
Download1995-01-01
Dyck, Jason R. B., Fliegel, Larry
We examined the regulation of the NaGraphic/HGraphic exchanger gene during differentiation of the P19 mouse embryonal carcinoma cells. Treatment of P19 cells with retinoic acid induces the development of neurons, astroglia, and microglia cells. Upon retinoic acid-induced differentiation of P19...
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Stop codon polymorphisms in the human SLC9A1 gene disrupt or compromise na+/H+ exchanger function
Download2016-01-01
Li, Xiuju J., Augustine, Aruna, Chen, Shuo, Fliegel, Larry
The NHE1 isoform of the mammalian Na+/H+ exchanger is a ubiquitous plasma membrane protein that regulates intracellular pH in mammalian cells by removing one intracellular proton in exchange for one extracellular sodium. Deletion of the NHE1 gene (SLC9A1) affects the growth and motor ability of...
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Structural and functional analysis of transmembrane segment IV of the salt tolerance protein Sod2
Download2013-01-01
Ullah, Assad, Kemp, Grant, Lee, Brian, Alves, Claudia, Young, Howard, Sykes, Brian D., Fliegel, Larry
Sod2 is the plasma membrane Na+/H+ exchanger of the fission yeast Schizosaccharomyces pombe. It provides salt tolerance by removing excess intracellular sodium (or lithium) in exchange for protons. We examined the role of amino acid residues of transmembrane segment IV (TM IV)...
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Structural and functional analysis of transmembrane segment VI of the NHE1 isoform of the na+/H+ exchanger
Download2009-01-01
Tzeng, Jennifer, Lee, Brian L., Sykes, Brian D., Fliegel, Larry
The Na+/H+ exchanger isoform 1 is a ubiquitously expressed integral membrane protein. It resides on the plasma membrane of cells and regulates intracellular pH in mammals by extruding an intracellular H+ in exchange for one extracellular Na+. We characterized structural and functional aspects of...
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Structural and functional analysis of transmembrane XI of the NHE1 isoform of the na+/H+ exchanger
Download2009-01-01
Lee, Brian L., Li, Xiuju J., Liu, Yongsheng, Sykes, Brian D., Fliegel, Larry
The Na+/H+ exchanger isoform 1 is a ubiquitously expressed integral membrane protein that regulates intracellular pH in mammals by extruding an intracellular H+ in exchange for one extracellular Na+. We characterized structural and functional aspects of the critical transmembrane (TM) segment XI...
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Structural and functional characterization of transmembrane segment IV of the NHE1 isoform of the na+/H+ exchanger
Download2005-01-01
Slepkov, Emily R., Rainey, Jan K., Li, Xiuju J., Liu, Yonghsheng S., Cheng, Florence J., Lindhout, Darrin A., Sykes, Brian D., Fliegel, Larry
The Na+/H+ exchanger isoform 1 is a ubiquitously expressed integral membrane protein that regulates intracellular pH in mammals. We characterized the structural and functional aspects of the critical transmembrane (TM) segment IV. Each residue was mutated to cysteine in cysteine-less NHE1. TM IV...
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Structural and functional characterization of transmembrane segment IX of the NHE1 isoform of the na(+)/H(+) exchanger
Download2008-01-01
Reddy, Tyler, Ding, Jie, Li, Xiuju J., Sykes, Brian D., Rainey, Jan K., Fliegel, Larry
The Na+/H+ exchanger isoform 1 (NHE1) is an integral membrane protein that regulates intracellular pH by removing one intracellular H+ in exchange for one extracellular Na+. It has a large N-terminal membrane domain of 12 transmembrane segments and an intracellular C-terminal regulatory domain....
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Structural and functional characterization of transmembrane segment VII of the na+/H+ exchanger isoform 1
Download2006-01-01
Ding, Jie, Rainey, Jan K., Xu, Caroline, Sykes, Brian D., Fliegel, Larry
The Na+/H+ exchanger isoform 1 is an integral membrane protein that regulates intracellular pH by exchanging one intracellular H+ for one extracellular Na+. It is composed of an N-terminal membrane domain of 12 transmembrane segments and an intracellular C-terminal regulatory domain. We...