151
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Nehls MC, Rippe RA, Veloz L, Brenner DA. Transcription factors nuclear factor I and Sp1 interact with the murine collagen alpha 1 (I) promoter. Mol Cell Biol 1991; 11:4065-73. [PMID: 2072909 PMCID: PMC361214 DOI: 10.1128/mcb.11.8.4065-4073.1991] [Citation(s) in RCA: 20] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022] Open
Abstract
The collagen alpha 1(I) promoter, which is efficiently transcribed in NIH 3T3 fibroblasts, contains four binding sites for trans-acting factors, as demonstrated by DNase I protection assays (D. A. Brenner, R. A. Rippe, and L. Veloz, Nucleic Acids Res. 17:6055-6064, 1989). This study characterizes the DNA-binding proteins that interact with the two proximal footprinted regions, both of which contain a reverse CCAAT box and a G + C-rich 12-bp direct repeat. Analysis by DNase I protection assays, mobility shift assays, competition with specific oligonucleotides, binding with recombinant proteins, and reactions with specific antisera showed that the transcriptional factors nuclear factor I (NF-I) and Sp1 bind to these two footprinted regions. Because of overlapping binding sites, NF-I binding and Sp1 binding appear to be mutually exclusive. Overexpression of NF-I in cotransfection experiments with the alpha 1(I) promoter in NIH 3T3 fibroblasts increased alpha 1(I) expression, while Sp1 overexpression reduced this effect, as well as basal promoter activity. The herpes simplex virus thymidine kinase promoter, which contains independent NF-I- and Sp1-binding sites, was stimulated by both factors. Therefore, expression of the collagen alpha 1(I) gene may depend on the relative activities of NF-I and Sp1.
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Affiliation(s)
- M C Nehls
- Department of Medicine, University of California, San Diego
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152
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el-Maghrabi MR, Lange AJ, Kümmel L, Pilkis SJ. The rat fructose-1,6-bisphosphatase gene. Structure and regulation of expression. J Biol Chem 1991. [DOI: 10.1016/s0021-9258(18)52217-1] [Citation(s) in RCA: 47] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
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153
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Hopkins WE, Westerhausen DR, Sobel BE, Billadello JJ. Transcriptional regulation of plasminogen activator inhibitor type-1 mRNA in Hep G2 cells by epidermal growth factor. Nucleic Acids Res 1991; 19:163-8. [PMID: 2011496 PMCID: PMC333547 DOI: 10.1093/nar/19.1.163] [Citation(s) in RCA: 27] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022] Open
Abstract
Secretion of plasminogen activator inhibitor type-1 (PAI-1) by cultured cells is increased after exposure to specific cytokines and growth factors. We have shown previously that incubation of Hep G2 cells with epidermal growth factor (EGF) results in a marked increase in steady state levels of PAI-1 mRNA (Lucore, C.L., et al. (1988) J. Biol. Chem. 263, 15845-15848). The present study was undertaken to determine whether the regulation of expression of PAI-1 mRNA by EGF is mediated at the level of transcription and/or by post-transcriptional mechanisms. The rate of transcription of the PAI-1 gene measured by nuclear run-on assays was found to be increased within 2 h after stimulation of the cells with EGF (5 ng/ml) (3.2 fold increase relative to control, n = 2, range 3.0-3.4). It reached a maximum in 3 h, (9.2 fold increase relative to control, n = 2, range 8.8-9.6) and returned to baseline in 5 h. Exposure of the cells to EGF did not increase the rate of transcription of the glyceraldehyde-3-phosphate dehydrogenase gene. The half life of PAI-1 mRNA in Hep G2 cells was 120 min as determined by RNA blot analysis after exposure of the cells to actinomycin D to inhibit transcription. Stimulation of the cells with EGF did not result in significant change in the half life of PAI-1 mRNA. The results demonstrate that exposure of Hep G2 cells to EGF increases PAI-1 gene transcription.
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Affiliation(s)
- W E Hopkins
- Department of Medicine, Washington University School of Medicine, St Louis, MO 63110
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154
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Regulation of Type One Plasminogen Activator Inhibitor Gene Expression in Cultured Endothelial Cells and the Vessel Wall. Atherosclerosis 1991. [DOI: 10.1007/978-1-4615-3754-0_15] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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155
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Pöllänen J, Stephens RW, Vaheri A. Directed plasminogen activation at the surface of normal and malignant cells. Adv Cancer Res 1991; 57:273-328. [PMID: 1950706 DOI: 10.1016/s0065-230x(08)61002-7] [Citation(s) in RCA: 207] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Affiliation(s)
- J Pöllänen
- Department of Virology, University of Helsinki, Finland
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156
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Konkle BA, Kollros PR, Kelly MD. Heparin-binding growth factor-1 modulation of plasminogen activator inhibitor-1 expression. Interaction with cAMP and protein kinase C-mediated pathways. J Biol Chem 1990. [DOI: 10.1016/s0021-9258(18)45819-x] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022] Open
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157
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Mapping of a retinoic acid-responsive element in the promoter region of the complement factor H gene. J Biol Chem 1990. [DOI: 10.1016/s0021-9258(17)30466-0] [Citation(s) in RCA: 46] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
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158
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Verbeeck MA, Adan RA, Burbach JP. Vasopressin gene expression is stimulated by cyclic AMP in homologous and heterologous expression systems. FEBS Lett 1990; 272:89-93. [PMID: 2172021 DOI: 10.1016/0014-5793(90)80455-r] [Citation(s) in RCA: 31] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
The possible role of cyclic AMP (cAMP) in the regulation of the vasopressin (VP) gene was tested in two cellular expression systems: one cell line with endogenous VP expression and the other which was transiently with a VP promoter-luciferase fusion gene. 8,Bromo-cAMP stimulated the VP mRNA content about 4-fold in the human VP-expressing small cell lung carcinoma cell line GLC-8. The luciferase activity in P19 embryonal carcinoma cells which were transiently transfected with -174 to +44 of the 5'-flanking region of the human VP gene linked to the firefly luciferase gene, was stimulated about 2-fold by the cAMP analogue. The results indicate that cAMP plays a role in the upregulation of the VP gene and hence point to several putative nucleotide motives in the promoter functionally conferring this response.
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Affiliation(s)
- M A Verbeeck
- Rudolf Magnus Institute, Medical Faculty, University of Utrecht, The Netherlands
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159
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Peter J, Burbach H, Adan RA, Tol HH, Verbeeck MA, Axelson JF, Leeuwen FW, Beekman JM, Ab G. Regulation of the rat oxytocin gene by estradiol. J Neuroendocrinol 1990; 2:633-9. [PMID: 19215399 DOI: 10.1111/j.1365-2826.1990.tb00458.x] [Citation(s) in RCA: 71] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Abstract Oxytocin (OT) plays a role in reproduction at the level of the pituitary and mammary glands and uterus. This OT is synthesized in the hypothalamo-neurohypophyseal system (HNS). A number of observations have suggested that estrogens regulate the production of OT in the HNS. In this study the effect of 17beta-estradiol on the activity of the OT gene promoter was examined as well as the effect of 17beta-estradiol in vivo on OT messenger ribonucleic acid (mRNA) and peptide revels in the rat HNS. Vasopressin (VP) and its mRNA were also determined in the in vivo studies. The direct transcriptional stimulation of OT gene expression by 17beta-estradiol was studied in two different heterologous expression systems. When a plasmid having nucleotides -363 to +16 of the rat OT gene fused to the firefly luciferase reporter gene was co-transfected with an estrogen receptor expression vector in P19 embryonal carcinoma cells, luciferase activity was stimulated 80-fold by 17beta-estradiol. In estrogen receptor containing MCF-7 cells transfected with a plasmid having nucleotides -188 to +16 of the rat OT gene fused to the chloramphenicol acetyl transferase gene, 17beta-estradiol induced the expression of the chloramphenicol acetyl transferase gene through the cloned promoter element. After in vivo treatment of ovariectomized rats with 17beta-estradiol, levels of OT mRNA and VP mRNA were measured in microdissected supraoptic and paraventricular nuclei as well as VP and OT levels in these nuclei and the pituitary gland. As compared to non-treated ovariectomized rats there was no difference in contents of OT mRNA and VP mRNA in these hypothalamic nuclei and in levels of the peptides in paraventricular nuclei and the pituitary gland. A 30% reduction of the OT content of the supraoptic nuclei only was found, while the VP content did not change. To explain the results immunocytochemical analyses of the hypothalamus were performed, showing that the estrogen receptor was absent in the magnocellular neurons of the supraoptic and paraventricular nuclei. The results demonstrate that the 5'flanking region of the OT gene confers estrogen-sensitivity to transcription of the OT gene. This potential to respond to estrogens is not used in the OT-producing neurons of supraoptic and paraventricular nuclei probably due to the absence of the estrogen receptor.
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Affiliation(s)
- J Peter
- Rudolf Magnus Institute, Medical Faculty, University of Utrecht, Vondellaan 6, Utrecht, The Netherlands
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160
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Pytel BA, Peppel K, Baglioni C. Plasminogen activator inhibitor type-2 is a major protein induced in human fibroblasts and SK-MEL-109 melanoma cells by tumor necrosis factor. J Cell Physiol 1990; 144:416-22. [PMID: 2391377 DOI: 10.1002/jcp.1041440308] [Citation(s) in RCA: 31] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Tumor necrosis factor (TNF) induces the synthesis of two proteins of Mr 42 and 36 kDa in human fibroblasts and SK-MEL-109 melanoma cells. To identify these proteins, a lambda gt10 cDNA library was prepared from the mRNA of TNF-treated SK-MEL-109 cells. By screening this library, we found a cDNA that preferentially hybridized to TNF-induced RNA. Hybrid-selected mRNA was translated into a protein of 42 kDa; cDNA sequence analysis followed by a comparison with other known protein sequences identified this protein with plasminogen activator inhibitor, type-2 (PAI-2). After removal of TNF, PAI-2 mRNA turned over rapidly, with an apparent half-life of approximately 2.5 h. Addition of dexamethasone increased the turnover of this mRNA, suggesting that the level of PAI-2 mRNA could be regulated post-transcriptionally by glucocorticoids. PAI-2 was not secreted, but accumulated in fibroblasts continuously treated with TNF.
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Affiliation(s)
- B A Pytel
- Department of Biological Sciences, State University of New York, Albany 12222
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161
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Loskutoff DJ, Curriden SA. The fibrinolytic system of the vessel wall and its role in the control of thrombosis. Ann N Y Acad Sci 1990; 598:238-47. [PMID: 2248442 DOI: 10.1111/j.1749-6632.1990.tb42296.x] [Citation(s) in RCA: 19] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Affiliation(s)
- D J Loskutoff
- Research Institute of Scripps Clinic, La Jolla, California 92037
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162
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Hepatic transcription of the acute-phase alpha 1-inhibitor III gene is controlled by a novel combination of cis-acting regulatory elements. Mol Cell Biol 1990. [PMID: 1694011 DOI: 10.1128/mcb.10.7.3483] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
mRNA coding for the abundant broad-range plasma proteinase inhibitor alpha 1-inhibitor III (alpha 1I3) was detected only in rat liver, while mRNA for the related proteins alpha 1-macroglobulin and alpha 2-macroglobulin was also found in a variety of nonhepatic tissues. cis-Acting control elements necessary for the hepatic transcription of alpha 1I3 were mapped by transfection and expression studies of control-region constructs in cultured hepatic and nonhepatic cells. The promoter-proximal 5'-flanking region contained four control elements, I to IV, located between -109 and -196 base pairs upstream of the transcriptional start site relevant for the hepatic transcription of this gene. Elements II and III were essential, and I and IV exerted strong modulatory effects. Elements I to III acted as positive regulators, and IV acted as a negative element. Element II contained the sequence TGGCA and is probably a binding site for a nuclear factor related to the known transcription factor NF1. The other three elements did not resemble consensus binding sites for known transcription factors that are involved in the hepatocyte-specific transcription of other well-characterized plasma protein genes, such as the prototype factor HNF-1. Thus, the alpha 1I3 gene achieves its highly hepatocyte-specific transcription through a novel combination of cis-acting control elements and trans-acting factors.
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163
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Abraham LJ, Bradshaw AD, Shiels BR, Northemann W, Hudson G, Fey GH. Hepatic transcription of the acute-phase alpha 1-inhibitor III gene is controlled by a novel combination of cis-acting regulatory elements. Mol Cell Biol 1990; 10:3483-91. [PMID: 1694011 PMCID: PMC360783 DOI: 10.1128/mcb.10.7.3483-3491.1990] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022] Open
Abstract
mRNA coding for the abundant broad-range plasma proteinase inhibitor alpha 1-inhibitor III (alpha 1I3) was detected only in rat liver, while mRNA for the related proteins alpha 1-macroglobulin and alpha 2-macroglobulin was also found in a variety of nonhepatic tissues. cis-Acting control elements necessary for the hepatic transcription of alpha 1I3 were mapped by transfection and expression studies of control-region constructs in cultured hepatic and nonhepatic cells. The promoter-proximal 5'-flanking region contained four control elements, I to IV, located between -109 and -196 base pairs upstream of the transcriptional start site relevant for the hepatic transcription of this gene. Elements II and III were essential, and I and IV exerted strong modulatory effects. Elements I to III acted as positive regulators, and IV acted as a negative element. Element II contained the sequence TGGCA and is probably a binding site for a nuclear factor related to the known transcription factor NF1. The other three elements did not resemble consensus binding sites for known transcription factors that are involved in the hepatocyte-specific transcription of other well-characterized plasma protein genes, such as the prototype factor HNF-1. Thus, the alpha 1I3 gene achieves its highly hepatocyte-specific transcription through a novel combination of cis-acting control elements and trans-acting factors.
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Affiliation(s)
- L J Abraham
- Department of Immunology, Research Institute of Scripps Clinic, La Jolla, California 92037
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164
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Pages G, Rouayrenc JF, Le Cam G, Mariller M, Le Cam A. Molecular characterization of three rat liver serine-protease inhibitors affected by inflammation and hypophysectomy. Protein and mRNA analysis and cDNA cloning. EUROPEAN JOURNAL OF BIOCHEMISTRY 1990; 190:385-91. [PMID: 1694763 DOI: 10.1111/j.1432-1033.1990.tb15587.x] [Citation(s) in RCA: 46] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
Rat hepatocytes have the potential to secrete three similar acidic glycoproteins, serine protease inhibitors 1, 2 and 3 (SPI-1, SPI-2, SPI-3), recognized by the same antibodies. They were synthesized as precursors of comparable sizes (45 kDa), which were post-translationally modified by N-glycosylation at three (SPI-3) or four (SPI-1 and SPI-2) sites. This appeared to account for the size difference of mature proteins. The mRNA sequences, derived from cDNA clones, displayed a high degree of similarity (70-90%), except the sequence of the antiprotease-reactive centers which were completely divergent. SPI-1 and SPI-2 mRNAs were of similar sizes (1.8 kb), and were smaller than that of SPI-3 (2.2 kb); the difference corresponded to a longer, 3'-end untranslated sequence. Production of SPI-1 and SPI-2, which was constitutive in the normal animal, could be abolished by hypophysectomy and was strongly decreased during acute inflammation. In contrast, production of SPI-3, which was barely detectable in normal rats, was transiently induced during inflammation.
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Affiliation(s)
- G Pages
- Laboratoire de Pharmacologie-Endocrinologie, Centre National de la Recherche Scientifique, Montpellier, France
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165
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Raney AK, Milich DR, Easton AJ, McLachlan A. Differentiation-specific transcriptional regulation of the hepatitis B virus large surface antigen gene in human hepatoma cell lines. J Virol 1990; 64:2360-8. [PMID: 2157890 PMCID: PMC249397 DOI: 10.1128/jvi.64.5.2360-2368.1990] [Citation(s) in RCA: 72] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022] Open
Abstract
The transcriptional activities of the four hepatitis B virus promoters were compared in three differentiated hepatoma cell lines, HepG2, Hep3B, and PLC/PRF/5; a dedifferentiated subline of HepG2, HepG2.1; a human cervical carcinoma cell line, HeLa S3; and a mouse fibroblast cell line, NIH 3T3. The plasmid constructs, which contain the complete hepatitis B virus genome directing the expression of the luciferase reporter gene, were analyzed by transient transfection assays. The relative orders of the levels of the transcriptional activities of the four promoters were similar in each of the cell lines. The major surface antigen and X-gene promoters displayed the highest activity levels, the core promoter activity level was less than or similar to the activity levels of these two promoters, and the large surface antigen promoter had the lowest activity level in all of the cell lines examined. The core promoter demonstrated an approximately 2- to 20-fold higher relative level of expression in the differentiated hepatoma cell lines, suggesting that this promoter might be preferentially active in these cells. The relative level of activity of the large surface antigen promoter in the differentiated hepatoma cell lines was approximately 5 to 90 times greater than that observed in the other cell lines, indicating that the activity of this promoter is highly specific for differentiation state and cell type. Deletion analysis of the large surface antigen promoter demonstrated that the sequence element responsible for the differentiation state-specific expression from this promoter is located between nucleotides 2719 and 2733 (-90 and -76). Within this sequence element is a binding site (GTTAATCATTACT) for the liver-specific transcription factor hepatocyte nuclear factor 1 (HNF1). This indicates that the preferential expression from the large surface antigen promoter in the differentiated hepatoma cell lines is probably mediated by HNF1 or an HNF1-related transcription factor.
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Affiliation(s)
- A K Raney
- Department of Molecular and Experimental Medicine, Research Institute of Scripps Clinic, La Jolla, California 92037
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166
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Wood KV. Luc genes: introduction of colour into bioluminescence assays. JOURNAL OF BIOLUMINESCENCE AND CHEMILUMINESCENCE 1990; 5:107-14. [PMID: 2336971 DOI: 10.1002/bio.1170050206] [Citation(s) in RCA: 54] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Luminescence assays are generally based on measurements of light intensity alone. Inclusion of colour as an additional parameter of the assay could increase the information content. Colour variation in luminescence is particularly prevalent among beetle luciferases. To study the relationship between enzyme structure and colour, luciferases from a Jamalcan click beetle were examined as a model system. These luciferases emit light ranging from green to orange, though their amino acid sequences differ by less than 5%. Through mutation of their respective cDNA clones, the amino acids responsible for the colour variation were identified. These specific amino acids are few, and they act upon colour independently with respect to the enzyme structure. Analysis of their effects indicates that the potential for colour variation among beetle luciferases is greater than is evident among the click beetle luciferase. Because of the subtle changes of enzyme structure that effect colour, luciferases that emit different colours may be useful as paired genetic reporters. They should interact equivalently with the intracellular environment of a host, but could be distinguished by colour in their assay. Such paired reporters could be used to observed simultaneous events, or to provide internal control for luminescence measurements.
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Affiliation(s)
- K V Wood
- Department of Chemistry, University of California, San Diego, La Jolla 92093
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167
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Mackman N, Fowler BJ, Edgington TS, Morrissey JH. Functional analysis of the human tissue factor promoter and induction by serum. Proc Natl Acad Sci U S A 1990; 87:2254-8. [PMID: 2315317 PMCID: PMC53665 DOI: 10.1073/pnas.87.6.2254] [Citation(s) in RCA: 65] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
Abstract
Tissue factor (TF) is the primary initiator of the coagulation protease cascades. This cell surface glycoprotein is the receptor and essential cofactor for the serine protease factor VIIa. TF is constitutively expressed in some extravascular cell types and is transiently induced in monocytes, endothelial cells, and fibroblasts. Inducible expression is implicated in cellular immune responses, inflammation, and intravascular coagulation. Transcriptional regulation of the TF promoter was analyzed in COS-7 cells under conditions of (i) high-level expression and (ii) serum induction. The region comprising nucleotides -209 to +121 (relative to the transcription start site) supports high-level transcriptional activity and can be divided into two distinct regions: a region (-111 to +121) that exhibited low promoter activity and a region (-209 to -112) that enhanced transcriptional activity to a high level. The role of further upstream sequences is still to be established, although two consensus binding sites for the transcriptional activator protein AP-1 did enhance low-level promoter activity. In serum-starved COS-7 cells TF expression was transiently increased 20-fold by serum. All transcriptionally active constructs were responsive to serum, indicating the presence of at least one serum response element, whose function was retained in the immediate 5' aspect of the gene, at -111 to +14. Based on this functional map, we propose that the elaborate pattern of TF expression by cells results from a relatively complex promoter.
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Affiliation(s)
- N Mackman
- Department of Immunology, Research Institute of Scripps Clinic, La Jolla, CA 92037
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168
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Feng P, Ohlsson M, Ny T. The structure of the TATA-less rat tissue-type plasminogen activator gene. Species-specific sequence divergences in the promoter predict differences in regulation of gene expression. J Biol Chem 1990. [DOI: 10.1016/s0021-9258(19)39934-x] [Citation(s) in RCA: 30] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022] Open
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169
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170
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Sawdey M, Podor TJ, Loskutoff DJ. Regulation of Type 1 Plasminogen Activator Inhibitor Gene Expression in Cultured Bovine Aortic Endothelial Cells. J Biol Chem 1989. [DOI: 10.1016/s0021-9258(18)81633-7] [Citation(s) in RCA: 161] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022] Open
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