Abstract
We have recently cloned, sequenced, and characterized a rat kidney cDNA (D2) that stimulates cystine as well as dibasic and neutral amino acid transport. In order to evaluate the role of this protein in human inherited diseases such as cystinuria, we have isolated a human D2 clone (D2H) by low stringency screening of a human kidney cDNA library using the radiolabeled D2 insert as a probe. The D2H cDNA is 2284 nucleotides long and encodes a 663 amino acid protein that is 80% identical to the rat D2 amino acid sequence and 86% to that of the rabbit homologue rBAT. Microinjection of in vitro transcribed D2H cRNA into Xenopus oocytes induced uptake of cystine as well as dibasic and neutral amino acids in a pattern similar to that of rat D2 and rabbit rBAT. Both neutral and dibasic amino acids inhibited the D2H-induced uptake of cystine. Northern blot analysis demonstrated that D2H, like D2 and rBAT, is expressed strongly in the kidney and intestine. Southern blot analysis of genomic DNA from a panel of mouse-human somatic cell hybrids showed that the human gene for D2H resides on chromosome 2.
Full text
PDFImages in this article
Selected References
These references are in PubMed. This may not be the complete list of references from this article.
- Bell G. I., Fong N. M., Stempien M. M., Wormsted M. A., Caput D., Ku L. L., Urdea M. S., Rall L. B., Sanchez-Pescador R. Human epidermal growth factor precursor: cDNA sequence, expression in vitro and gene organization. Nucleic Acids Res. 1986 Nov 11;14(21):8427–8446. doi: 10.1093/nar/14.21.8427. [DOI] [PMC free article] [PubMed] [Google Scholar]
- Bertran J., Magagnin S., Werner A., Markovich D., Biber J., Testar X., Zorzano A., Kühn L. C., Palacin M., Murer H. Stimulation of system y(+)-like amino acid transport by the heavy chain of human 4F2 surface antigen in Xenopus laevis oocytes. Proc Natl Acad Sci U S A. 1992 Jun 15;89(12):5606–5610. doi: 10.1073/pnas.89.12.5606. [DOI] [PMC free article] [PubMed] [Google Scholar]
- Bertran J., Werner A., Moore M. L., Stange G., Markovich D., Biber J., Testar X., Zorzano A., Palacin M., Murer H. Expression cloning of a cDNA from rabbit kidney cortex that induces a single transport system for cystine and dibasic and neutral amino acids. Proc Natl Acad Sci U S A. 1992 Jun 15;89(12):5601–5605. doi: 10.1073/pnas.89.12.5601. [DOI] [PMC free article] [PubMed] [Google Scholar]
- Biber J., Stange G., Stieger B., Murer H. Transport of L-cystine by rat renal brush border membrane vesicles. Pflugers Arch. 1983 Mar;396(4):335–341. doi: 10.1007/BF01063939. [DOI] [PubMed] [Google Scholar]
- Buisson G., Duée E., Haser R., Payan F. Three dimensional structure of porcine pancreatic alpha-amylase at 2.9 A resolution. Role of calcium in structure and activity. EMBO J. 1987 Dec 20;6(13):3909–3916. doi: 10.1002/j.1460-2075.1987.tb02731.x. [DOI] [PMC free article] [PubMed] [Google Scholar]
- Devereux J., Haeberli P., Smithies O. A comprehensive set of sequence analysis programs for the VAX. Nucleic Acids Res. 1984 Jan 11;12(1 Pt 1):387–395. doi: 10.1093/nar/12.1part1.387. [DOI] [PMC free article] [PubMed] [Google Scholar]
- Guastella J., Nelson N., Nelson H., Czyzyk L., Keynan S., Miedel M. C., Davidson N., Lester H. A., Kanner B. I. Cloning and expression of a rat brain GABA transporter. Science. 1990 Sep 14;249(4974):1303–1306. doi: 10.1126/science.1975955. [DOI] [PubMed] [Google Scholar]
- Hediger M. A., Budarf M. L., Emanuel B. S., Mohandas T. K., Wright E. M. Assignment of the human intestinal Na+/glucose cotransporter gene (SGLT1) to the q11.2----qter region of chromosome 22. Genomics. 1989 Apr;4(3):297–300. doi: 10.1016/0888-7543(89)90333-9. [DOI] [PubMed] [Google Scholar]
- Hediger M. A., Coady M. J., Ikeda T. S., Wright E. M. Expression cloning and cDNA sequencing of the Na+/glucose co-transporter. 1987 Nov 26-Dec 2Nature. 330(6146):379–381. doi: 10.1038/330379a0. [DOI] [PubMed] [Google Scholar]
- Kanai Y., Stelzner M. G., Lee W. S., Wells R. G., Brown D., Hediger M. A. Expression of mRNA (D2) encoding a protein involved in amino acid transport in S3 proximal tubule. Am J Physiol. 1992 Dec;263(6 Pt 2):F1087–F1092. doi: 10.1152/ajprenal.1992.263.6.F1087. [DOI] [PubMed] [Google Scholar]
- Kim J. W., Closs E. I., Albritton L. M., Cunningham J. M. Transport of cationic amino acids by the mouse ecotropic retrovirus receptor. Nature. 1991 Aug 22;352(6337):725–728. doi: 10.1038/352725a0. [DOI] [PubMed] [Google Scholar]
- Krieg P. A., Melton D. A. Functional messenger RNAs are produced by SP6 in vitro transcription of cloned cDNAs. Nucleic Acids Res. 1984 Sep 25;12(18):7057–7070. doi: 10.1093/nar/12.18.7057. [DOI] [PMC free article] [PubMed] [Google Scholar]
- Mohandas T., Heinzmann C., Sparkes R. S., Wasmuth J., Edwards P., Lusis A. J. Assignment of human 3-hydroxy-3-methylglutaryl coenzyme A reductase gene to q13----q23 region of chromosome 5. Somat Cell Mol Genet. 1986 Jan;12(1):89–94. doi: 10.1007/BF01560731. [DOI] [PubMed] [Google Scholar]
- Pacholczyk T., Blakely R. D., Amara S. G. Expression cloning of a cocaine- and antidepressant-sensitive human noradrenaline transporter. Nature. 1991 Mar 28;350(6316):350–354. doi: 10.1038/350350a0. [DOI] [PubMed] [Google Scholar]
- Schafer J. A., Watkins M. L. Transport of L-cystine in isolated perfused proximal straight tubules. Pflugers Arch. 1984 Jun;401(2):143–151. doi: 10.1007/BF00583874. [DOI] [PubMed] [Google Scholar]
- Segal S., McNamara P. D., Pepe L. M. Transport interaction of cystine and dibasic amino acids in renal brush border vesicles. Science. 1977 Jul 8;197(4299):169–171. doi: 10.1126/science.877548. [DOI] [PubMed] [Google Scholar]
- Tate S. S., Yan N., Udenfriend S. Expression cloning of a Na(+)-independent neutral amino acid transporter from rat kidney. Proc Natl Acad Sci U S A. 1992 Jan 1;89(1):1–5. doi: 10.1073/pnas.89.1.1. [DOI] [PMC free article] [PubMed] [Google Scholar]
- Taylor A. K., Klisak I., Mohandas T., Sparkes R. S., Li C., Gaynor R., Lusis A. J. Assignment of the human gene for CREB1 to chromosome 2q32.3-q34. Genomics. 1990 Jul;7(3):416–421. doi: 10.1016/0888-7543(90)90176-u. [DOI] [PubMed] [Google Scholar]
- Völkl H., Silbernagl S. Mutual inhibition of L-cystine/L-cysteine and other neutral amino acids during tubular reabsorption. A microperfusion study in rat kidney. Pflugers Arch. 1982 Nov 11;395(3):190–195. doi: 10.1007/BF00584808. [DOI] [PubMed] [Google Scholar]
- Wells R. G., Hediger M. A. Cloning of a rat kidney cDNA that stimulates dibasic and neutral amino acid transport and has sequence similarity to glucosidases. Proc Natl Acad Sci U S A. 1992 Jun 15;89(12):5596–5600. doi: 10.1073/pnas.89.12.5596. [DOI] [PMC free article] [PubMed] [Google Scholar]
- Wells R. G., Lee W. S., Kanai Y., Leiden J. M., Hediger M. A. The 4F2 antigen heavy chain induces uptake of neutral and dibasic amino acids in Xenopus oocytes. J Biol Chem. 1992 Aug 5;267(22):15285–15288. [PubMed] [Google Scholar]