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Groenhout EG, Dorin RI. Generalized thyroid hormone resistance due to a deletion of the carboxy terminus of the c-erbA beta receptor. Mol Cell Endocrinol 1994; 99:81-8. [PMID: 8187964 DOI: 10.1016/0303-7207(94)90149-x] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Abstract
Generalized resistance to thyroid hormone (GRTH) is a disorder of thyroid hormone action which has been linked to the beta thyroid hormone receptor (TR beta) gene. A diverse array of TR beta mutations have been characterized, and these distinct genotypes have been associated with characteristic patterns of severity and tissue distribution of clinical thyroid resistance. In this report, we describe a patient with GRTH caused by a single C-->A base mutation (nucleotide 1623) in one allele of TR beta (exon 10). The mutation produces a premature translation termination signal (UGA) at codon 446 and predicts expression of a mutant TR beta which is truncated by 16 carboxyl-terminal amino acids (TR beta delta 446-461). This sequence was absent in both parents, indicative of a de novo mutation in the proband. To our knowledge, this case represents the first description of a mutation producing premature translation termination of TR beta in association with the syndrome GRTH, and emphasizes the critical role of the carboxyl terminal region of TR beta in mediating both positive and negative regulation of thyroid-responsive target genes in many tissues.
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Affiliation(s)
- E G Groenhout
- Department of Medicine, Veterans Affairs Medical Center, Albuquerque, NM
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2
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Mixson AJ, Hauser P, Tennyson G, Renault JC, Bodenner DL, Weintraub BD. Differential expression of mutant and normal beta T3 receptor alleles in kindreds with generalized resistance to thyroid hormone. J Clin Invest 1993; 91:2296-300. [PMID: 8486789 PMCID: PMC288234 DOI: 10.1172/jci116458] [Citation(s) in RCA: 40] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023] Open
Abstract
Thyroid hormone resistance (THR) is primarily an autosomal dominant inherited disease characterized by resistance of pituitary and peripheral tissues to the action of thyroid hormone. We investigated whether the heterogeneous phenotypic features that occur not only among kindreds but also within the same kindred might be due to the expression of differing ratios of mutant and normal receptors in tissues. Using an allele-specific primer extension method, we determined the relative expression of normal and mutant mRNAs from the fibroblasts of affected and unaffected members of two kindreds with TRH: A-H and N-N. While two affected members of A-H, as expected, had nearly equal amounts of normal and mutant hTR beta mRNA, two other members had mutant mRNA levels that accounted for at least 70% of the hTR beta mRNA. Phenotypic variability within and between kindreds with generalized resistance to thyroid hormone GRTH may be due to this differential expression of the mutant and wild type mRNA. Furthermore, when several clinical parameters of THR were compared in several affected members from two kindreds with GRTH, we found that two cases in one kindred exhibited a high mutant-to-normal hTR beta ratio and had considerably more bone resistance during their development. In certain kindreds with THR, differing ratios of normal and mutant hTR receptors may be age and growth related and may account for the reported attenuation of phenotypic symptoms with age.
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Affiliation(s)
- A J Mixson
- Molecular and Cellular Endocrinology Branch, National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health, Bethesda, Maryland 20892
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3
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Mixson AJ, Renault JC, Ransom S, Bodenner DL, Weintraub BD. Identification of a novel mutation in the gene encoding the beta-triiodothyronine receptor in a patient with apparent selective pituitary resistance to thyroid hormone. Clin Endocrinol (Oxf) 1993; 38:227-34. [PMID: 8384535 DOI: 10.1111/j.1365-2265.1993.tb00999.x] [Citation(s) in RCA: 33] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
Abstract
OBJECTIVE We investigated whether the first patient (L-F3) reported as having selective pituitary resistance had a mutation in the hTR beta gene. We compared the clinical parameters of this case with those of patients with generalized resistance to thyroid hormone. DESIGN The patient, L-F3, was part of a study at the NIH to identify mutations by sequencing the hTR beta gene in kindreds with thyroid hormone resistance. The clinical data of L-F3 as well as patients with generalized resistance to thyroid hormone were compared and analysed retrospectively. MEASUREMENT We amplified by the polymerase chain reaction and then sequenced exons 5 to 10 of the hTR beta gene in L-F3 and a normal control. Upon finding the mutation in L-F3, we measured the affinity constant of this mutated hTR beta receptor. Criteria developed previously were used to assess tissue responsiveness to thyroid hormone of L-F3. RESULTS We identified a C to T transition at base 1297 in codon 333 of the hTR beta gene in the first patient (L-F3) reported as having apparent selective pituitary resistance. This base substitution resulted in more than a four-fold decrease in T3-binding affinity for the hTR beta 1 receptor. The mutation of L-F3 occurred in the dimerization domain of exon 9, a region where the majority of mutations of kindreds with generalized thyroid hormone resistance have been found. Furthermore, the nucleotide substitution at base 1297 found in the apparent selective pituitary resistant case, L-F3, was the same as in an unrelated patient (K-T3) with generalized resistance to thyroid hormone. As a result, we compared the clinical parameters of both patients and found that they had similar patterns of resistance in several tissues. Besides the bone resistance present in both kindreds, the apparent selective pituitary resistance case also had liver and neuromuscular resistance. CONCLUSIONS These findings suggest that apparent selective pituitary resistance and generalized resistance to thyroid hormone are not qualitatively different syndromes. Nevertheless, identification of selective pituitary resistance is a useful clinical distinction since such patients with clinical and biochemical features of hyperthyroidism appear to benefit from reduction in serum thyroid hormone concentrations. In contrast, patients with more conventional forms of thyroid hormone resistance require no treatment or may benefit from increased concentrations of thyroid hormone.
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Affiliation(s)
- A J Mixson
- Molecular and Cellular Endocrinology Branch, National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health 20892
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4
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Kayes LM, Schroeder WT, Marchuk DA, Collins FS, Riccardi VM, Duvic M, Stephens K. The gene for a novel epidermal antigen maps near the neurofibromatosis 1 gene. Genomics 1992; 14:369-76. [PMID: 1358802 DOI: 10.1016/s0888-7543(05)80228-9] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Recently the M17S1 gene, encoding an epidermal antigen thought to play a role in cell adhesion, was mapped to chromosome bands 17q11-q12, placing it in the vicinity of the gene for the genetic disorder neurofibromatosis 1 (NF1). The pleomorphic cutaneous lesions of NF1 and the precedent for other genes being embedded within the NF1 gene prompted us to investigate whether the M17S1 gene mapped near, or within, the NF1 gene. Genetic linkage analyses revealed that M17S1 was tightly linked to NF1 and mapped within the interval bounded by D17S58 and D17S54. Physical mapping of an M17S1 cDNA on somatic cell hybrids, yeast artificial chromosomes, and an NF1 patient with a deletion involving an entire NF1 allele demonstrated that M17S1 is located at least 180 kb centromeric to the NF1 gene. The distance between the genes suggests that M17S1 is unlikely to contribute to the NF1 phenotype since a gross chromosomal rearrangement would be required to disrupt expression of both genes.
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Affiliation(s)
- L M Kayes
- Department of Medicine, University of Washington School of Medicine, Seattle
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5
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Osella P, Wyandt H, Vosburgh E, Milunsky A. Report of a variant t(1;15;17)(p36;q22;q21.1) in a patient with acute promyelocytic leukemia. CANCER GENETICS AND CYTOGENETICS 1991; 57:201-7. [PMID: 1756499 DOI: 10.1016/0165-4608(91)90153-l] [Citation(s) in RCA: 22] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
Chromosome analysis of bone marrow aspirate from a 46-year-old man with acute promyelocytic leukemia (APL) revealed a variant translocation, 46,XY,t(1:15;17)(p36;q22;q21.1). The breakpoints in chromosomes 15 and 17 appear to be the same as those in the more common translocation, t(15;17), associated with APL. The common translocation has been reported in up to 80% of cases of APL. Seventeen cases with variant translocations have been reported involving 15 alone, 17 alone, or 15, 17, and some other chromosome.
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Affiliation(s)
- P Osella
- Center for Human Genetics, Boston University, Massachusetts
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6
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Parrilla R, Mixson AJ, McPherson JA, McClaskey JH, Weintraub BD. Characterization of seven novel mutations of the c-erbA beta gene in unrelated kindreds with generalized thyroid hormone resistance. Evidence for two "hot spot" regions of the ligand binding domain. J Clin Invest 1991; 88:2123-30. [PMID: 1661299 PMCID: PMC295818 DOI: 10.1172/jci115542] [Citation(s) in RCA: 200] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022] Open
Abstract
Genetic analysis in our laboratory of families with generalized thyroid hormone resistance (GTHR) has demonstrated tight linkage with a locus, c-erbA beta, encoding a nuclear T3 receptor. Three point mutations and two deletions in this locus have previously been reported in affected individuals in unrelated families as potential molecular bases for this disorder. In the present study, we have used direct sequencing of polymerase chain reaction-amplified exons of the c-erbA beta gene to rapidly identify novel point mutations from seven previously uncharacterized kindreds with GTHR. Six single base substitutions and one single base insertion were identified and found to be clustered in two regions of exons 9 and 10 in the ligand binding domain of the receptor: in the distal ligand-binding subdomain L2 and across the juncture of the taui and dimerization subdomains. Reduction of T3-binding affinity in each of four mutations tested as well as segregation of all mutations to clinically affected individuals strongly supports the hypothesis that these changes are the cause of GTHR in these kindreds. In view of the diversity of clinical phenotypes manifested, the distinct topographic clustering of the mutations provides an invaluable genetic tool for the molecular dissection of thyroid receptor function.
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Affiliation(s)
- R Parrilla
- Molecular, Cellular, and Nutritional Endocrinology Branch, National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health, Bethesda, Maryland 20892
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7
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Abstract
Thyroid hormone receptors (TR) are ligand-dependent, DNA-binding, trans-acting transcriptional factors belonging to the erbA-related steroid/thyroid hormone receptor superfamily. To better understand the structural and functional characteristics of TRs, we isolated the gene encoding human TR beta 1 (hTR beta 1). The coding region of hTR beta 1 is split into at least eight exons. Each exon well correlates with functional domains of hTR beta 1 protein, and the exon/intron organization is highly conserved when compared with the chicken c-erbA gene which encodes an alpha-type chicken TR. We demonstrate that hTR beta has at least two mRNA forms having different lengths of the 3' untranslated region. We also note several nucleotide corrections of hTR beta 1 cDNA sequence.
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Affiliation(s)
- A Sakurai
- Department of Medicine, University of Chicago, IL 60637
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8
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Yandell DW, Dryja TP, Little JB. Molecular genetic analysis of recessive mutations at a heterozygous autosomal locus in human cells. Mutat Res 1990; 229:89-102. [PMID: 1969112 DOI: 10.1016/0027-5107(90)90011-r] [Citation(s) in RCA: 64] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
We have investigated the genotypic changes that lead to expression of a recessive allele at a heterozygous autosomal locus in a human cell line. Mutant clones lacking thymidine kinase activity were derived from a B-cell lymphoblastoid line initially heterozygous at the tk locus, and restriction mapping was performed to detect intragenic structural alterations in the tk gene. In addition, informative molecular markers located elsewhere on chromosome 17 were analysed in order to detect large-scale (multilocus) events. We report that among 325 spontaneous and induced mutants, allele loss was more common than intragenic rearrangements or point mutations; in many cases, loss of heterozygosity appears to have extended well beyond the locus under selection. Cytogenetic analysis of a subset of these mutants showed that expression of the recessive TK-deficient phenotype and the associated loss of heterozygosity for chromosome 17 markers was not typically associated with detectable chromosomal changes.
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Affiliation(s)
- D W Yandell
- Department of Cancer Biology, Harvard School of Public Health, Boston, MA 02115
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9
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Usala SJ, Tennyson GE, Bale AE, Lash RW, Gesundheit N, Wondisford FE, Accili D, Hauser P, Weintraub BD. A base mutation of the C-erbA beta thyroid hormone receptor in a kindred with generalized thyroid hormone resistance. Molecular heterogeneity in two other kindreds. J Clin Invest 1990; 85:93-100. [PMID: 2153155 PMCID: PMC296391 DOI: 10.1172/jci114438] [Citation(s) in RCA: 143] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022] Open
Abstract
Generalized thyroid hormone resistance (GTHR) is a disorder of thyroid hormone action that we have previously shown to be tightly linked to one of the two thyroid hormone receptor genes, c-erbA beta, in a single kindred, A. We now show that in two other kindreds, B and D, with differing phenotypes, there is also linkage between c-erbA beta and GTHR. The combined maximum logarithm of the odds score for all three kindreds at a recombination fraction of 0 was 5.77. In vivo studies had shown a triiodothyronine (T3)-binding affinity abnormality in nuclear receptors of kindred A, and we therefore investigated the defect in c-erbA beta in this kindred by sequencing a major portion of the T3-binding domain in the 3'-region of fibroblast c-erbA beta cDNA and leukocyte c-erbA beta genomic DNA. A base substitution, cytosine to adenine, was found at cDNA position 1643 which altered the proline codon at position 448 to a histidine. By allelic-specific hybridization, this base substitution was found in only one allele of seven affected members, and not found in 10 unaffected members of kindred A, as expected for a dominant disease. Also, this altered base was not found in kindreds B or D, or in 92 random c-erbA beta alleles. These results and the fact that the mutation is predicted to alter the secondary structure of the crucial T3-binding domain of the c-erbA beta receptor suggest this mutation is an excellent candidate for the genetic cause of GTHR in kindred A. Different mutations in the c-erbA beta gene are likely responsible for the variant phenotypes of thyroid hormone resistance in kindreds B and D.
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Affiliation(s)
- S J Usala
- Molecular Branch, National Institute of Diabetes and Digestive and Kidney Diseases, Bethesda, Maryland 20892
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10
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Kronenberg A, Little JB. Molecular characterization of thymidine kinase mutants of human cells induced by densely ionizing radiation. Mutat Res 1989; 211:215-24. [PMID: 2927407 DOI: 10.1016/0027-5107(89)90004-3] [Citation(s) in RCA: 29] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
In order to characterize the nature of mutants induced by densely ionizing radiations at an autosomal locus, we have isolated a series of 99 thymidine kinase (tk) mutants of human TK6 lymphoblastoid cells irradiated with either fast neutrons or accelerated argon ions. Individual mutant clones were examined for alterations in their restriction fragment pattern after hybridization with a human cDNA probe for tk. A restriction fragment length polymorphism (RFLP) allowed identification of the active tk allele. Among the neutron-induced mutants, 34/52 exhibited loss of the previously active allele while 6/52 exhibited intragenic rearrangements. Among the argon-induced mutants 27/46 exhibited allele loss and 10/46 showed rearrangements within the tk locus. The remaining mutants had restriction patterns indistinguishable from the TK6 parent. Each of the mutant clones was further examined for structural alterations within the c-erbA1 locus which has been localized to chromosome 17q11-q22, at some unknown distance from the human tk locus at chromosome 17q21-q22. A substantial proportion (54%) of tk mutants induced by densely ionizing radiation showed loss of the c-erb locus on the homologous chromosome, suggesting that the mutations involve large-scale genetic changes.
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Affiliation(s)
- A Kronenberg
- Laboratory of Radiobiology, Harvard School of Public Health, Boston, MA 02115
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11
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Miyajima N, Kadowaki Y, Fukushige S, Shimizu S, Semba K, Yamanashi Y, Matsubara K, Toyoshima K, Yamamoto T. Identification of two novel members of erbA superfamily by molecular cloning: the gene products of the two are highly related to each other. Nucleic Acids Res 1988; 16:11057-74. [PMID: 2905047 PMCID: PMC338996 DOI: 10.1093/nar/16.23.11057] [Citation(s) in RCA: 175] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023] Open
Abstract
Two v-erbA-related genes, named ear-2 and ear-3, have been identified in the human genome and characterized by cDNA cloning. These genes are predicted to encode proteins that are very similar in primary structure to receptors for steroid hormones or thyroid hormone (T3). In addition, amino acid sequences of the ear-2 and ear-3 gene products are very similar each other especially at the DNA binding domain (86% homology) and at the putative ligand binding domain (76% homology). Northern hybridization with ear DNA probes of RNAs from various tissues of a human fetus reveals that the expression of ear-2 is high in the liver whereas the expression of ear-3 is relatively ubiquitous. Hybridization analysis of DNAs from sorted chromosomes shows that the ear-2 gene is located on chromosome 19 and ear-3 on chromosome 5, indicating that the two genes are clearly different from each other.
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Affiliation(s)
- N Miyajima
- Institute of Medical Science, University of Tokyo, Japan
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12
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Bray PF, Barsh G, Rosa JP, Luo XY, Magenis E, Shuman MA. Physical linkage of the genes for platelet membrane glycoproteins IIb and IIIa. Proc Natl Acad Sci U S A 1988; 85:8683-7. [PMID: 3186752 PMCID: PMC282524 DOI: 10.1073/pnas.85.22.8683] [Citation(s) in RCA: 55] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023] Open
Abstract
The fibrinogen receptor on human platelets is a prototypic member of the integrin family and is composed of subunit glycoproteins IIb (gpIIb) and IIIa (gpIIIa) in a 1:1 stoichiometric ratio. We have isolated cDNA clones for gpIIb and gpIIIa and localized both genes to chromosome 17. In the current study, several approaches were used to localize and map the genes for gpIIb and gpIIIa. A preliminary evaluation of subchromosomal localization was performed by using a panel of mouse-human somatic cell hybrids that contain different amounts of the long arm of human chromosome 17. Southern hybridization to the DNA of these hybrids shows that both genes map near the thymidine kinase gene. In situ hybridization to intact human chromosomes localized both genes to the 17q21-22 region. To better define the physical distance between the two genes, we examined the genomic hybridization pattern of each cDNA probe to high molecular weight restriction fragments separated by pulsed-field gel electrophoresis. Serial hybridizations of the same filter have allowed construction of long-range Mlu I and Sfi I restriction maps spanning more than 500 kilobases. Finally, nonoverlapping portions of the cDNAs for both gpIIb and gpIIIa were used to probe Sfi I digests of genomic DNA separated by field-inversion gels. This confirmed that the genes are physically linked within the same 260-kilobase Sfi I fragment and suggests that the gene for gpIIb is located on the 3' side of the gene for gpIIIa. These results suggest that coordinate expression of gpIIb and gpIIIa may depend on physical proximity.
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Affiliation(s)
- P F Bray
- Department of Medicine, University of California Medical Center, San Francisco 94143
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13
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Mattei MG, Petkovich M, Mattei JF, Brand N, Chambon P. Mapping of the human retinoic acid receptor to the q21 band of chromosome 17. Hum Genet 1988; 80:186-8. [PMID: 2844649 DOI: 10.1007/bf00702866] [Citation(s) in RCA: 73] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
Recombinant plasmid containing cDNA insert from the human retinoic acid receptor was radiolabeled and hybridized in situ to metaphase chromosome preparations. The results localized the human retinoic acid receptor to the q21 band of chromosome 17.
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Affiliation(s)
- M G Mattei
- U.242 INSERM, Hôpital d'Enfants de la Timone, Marseille, France
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14
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Abstract
Cytogenetic studies have revealed a broad spectrum of abnormalities in the chromosomal make-up of human leukemic cells. These abnormalities are acquired during the process of malignant transformation within the neoplastic clone and reflect the genetic lesions and ablations that have occurred. Because cytogenetic abnormalities are tightly linked to the molecular events that lead to leukemogenesis, it is not surprising that these features correlate with immunophenotypic and morphologic features of the leukemic cells, as well as with the clinical characteristics of children at diagnosis and their responsiveness to therapy. Molecular analysis of the disordered structure or disrupted regulation of genes located at critical chromosomal breakpoints in leukemic cells should continue to provide important insight into normal and aberrant hematopoietic cell function.
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Affiliation(s)
- A T Look
- University of Tennessee, Memphis, College of Medicine
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15
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Liang JC, Chang KS, Schroeder WT, Freireich EJ, Stass SA, Trujillo JM. The myeloperoxidase gene is translocated from chromosome 17 to 15 in a patient with acute promyelocytic leukemia. CANCER GENETICS AND CYTOGENETICS 1988; 30:103-7. [PMID: 2825962 DOI: 10.1016/0165-4608(88)90097-0] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
This study demonstrates that a differentiation-specific gene, the myeloperoxidase (MPO) gene, is translocated in a patient with acute promyelocytic leukemia (APL). The MPO gene recently has been mapped to chromosome #17, close to the breakpoint involved in the t(15;17) commonly seen in APL. By in situ hybridization, we showed that this gene was translocated from chromosome #17 to #15 in an APL patient. Although the significance of this translocation remains unclear, MPO is known to be highly expressed in APL. The causal relationship between the high expression and translocation of this gene requires further investigation.
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Affiliation(s)
- J C Liang
- Section of Cytogenetics, University of Texas System Cancer Center, M.D. Anderson Hospital and Tumor Institute, Houston 77030
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16
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Mattei MG, Krust A, Stropp U, Mattei JF, Chambon P. Assignment of the human progesterone receptor to the q22 band of chromosome 11. Hum Genet 1988; 78:96-7. [PMID: 3338797 DOI: 10.1007/bf00291245] [Citation(s) in RCA: 18] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
The human progesterone receptor gene was localized by in situ hybridization to the q22 band of chromosome 11.
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Affiliation(s)
- M G Mattei
- U.242 INSERM, Hôpital d'Enfants de la Timone, Marseille, France
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17
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van Tuinen P, Rich DC, Summers KM, Ledbetter DH. Regional mapping panel for human chromosome 17: application to neurofibromatosis type 1. Genomics 1987; 1:374-81. [PMID: 3130306 DOI: 10.1016/0888-7543(87)90042-5] [Citation(s) in RCA: 82] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
A somatic cell hybrid mapping panel was constructed to localize cloned DNA sequences to any of 15 potentially different regions of human chromosome 17. Relatively high-resolution mapping is possible for 50% of the chromosome length in which 12 breakpoints are distributed over approximately 45 megabases, with an average spacing estimated at 1 breakpoint every 2-7 megabases. This high-resolution capability includes the pericentromeric region of 17 to which von Recklinghausen neurofibromatosis (NF1) has recently been mapped. Using 20 cloned genes and anonymous probes, we have tested the expected order and location of panel breakpoints and confirmed, refined, or corrected the regional assignment of several cloned genes and anonymous probes. Four markers with varying degrees of linkage to NF1 have been physically localized and ordered by the panel: the loosely linked markers myosin heavy chain 2 (25 cM) to p12----13.105 and nerve growth factor receptor (14 cM) to q21.1----q23; the more closely linked pABL10-41 (D17S71, 5 cM) to p11.2; and the tightly linked pHHH202 (D17S33) to q11.2-q12. Thus, physical mapping of linked markers confirms a pericentromeric location of NF1 and, along with other data, suggests the most likely localization is proximal 17q.
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Affiliation(s)
- P van Tuinen
- Institute for Molecular Genetics, Baylor College of Medicine, Houston, Texas 77030
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18
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Rousseau-Merck MF, Misrahi M, Loosfelt H, Milgrom E, Berger R. Localization of the human progesterone receptor gene to chromosome 11q22-q23. Hum Genet 1987; 77:280-2. [PMID: 3679212 DOI: 10.1007/bf00284486] [Citation(s) in RCA: 61] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
The human progesterone receptor gene was mapped by in situ hybridization using two cDNA probes corresponding to the 5' and 3' part of the coding sequence. This gene was localized to 11q22-q23.
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Affiliation(s)
- M F Rousseau-Merck
- Génétique Cellulaire et Moléculaire des Leucémies, INSERM U.301, CNRS LP 101, Hôpital Saint Louis, Paris, France
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19
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Rider SH, Gorman PA, Shipley JM, Moore G, Vennstrom B, Solomon E, Sheer D. Localization of the oncogene c-erbA2 to human chromosome 3. Ann Hum Genet 1987; 51:153-60. [PMID: 3674756 DOI: 10.1111/j.1469-1809.1987.tb01057.x] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
The human c-erbA1 gene has been previously mapped to chromosome 17. We have now mapped c-erbA2 to the short arm of chromosome 3, using a human genomic probe in Southern analysis of DNA from a panel of human/mouse somatic cell hybrids. In situ hybridization using the same probe on metaphase chromosomes has enabled fine chromosome mapping of c-erbA2 to the chromosome region 3p21-pter.
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Affiliation(s)
- S H Rider
- Imperial Cancer Research Fund, Lincoln's Inn Fields, London
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20
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van der Merwe T, Bernstein R, Derman D, Stanley A, Dukes I, Murray J, Weaving A. Acute promyelocytic transformation of chronic myeloid leukaemia with an isochromosome 17q. Br J Haematol 1986; 64:751-6. [PMID: 3467788 DOI: 10.1111/j.1365-2141.1986.tb02237.x] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
Transformation to an acute promyelocytic leukaemia occurred in a patient approximately 2 years after having been diagnosed as suffering from chronic myeloid leukaemia (CML). At this time, in addition to the Ph1 chromosomal aberration, an isochromosome 17q [i(17q)] was noted. The t(15:17) was absent. The implications of this are discussed.
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MESH Headings
- Blast Crisis
- Bone Marrow/pathology
- Chromosome Aberrations
- Chromosomes, Human, Pair 15
- Chromosomes, Human, Pair 17
- Humans
- Leukemia, Myeloid/genetics
- Leukemia, Myeloid/pathology
- Leukemia, Myeloid, Acute/genetics
- Leukemia, Myeloid, Acute/pathology
- Male
- Middle Aged
- Philadelphia Chromosome
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21
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Mitelman F, Manolov G, Manolova Y, Billström R, Heim S, Kristoffersson U, Mandahl N, Ferro MT, San Roman C. High resolution chromosome analysis of constitutional and acquired t(15;17) maps c-erbA to subband 17q11.2. CANCER GENETICS AND CYTOGENETICS 1986; 22:95-8. [PMID: 3458521 DOI: 10.1016/0165-4608(86)90168-8] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
High resolution chromosome analysis was performed on bone marrow cells from four patients with acute promyelocytic leukemia and t(15;17), and in lymphocytes from two unrelated, phenotypically normal persons with an apparently identical constitutional translocation. Scrutiny of prophase-prometaphase chromosomes localized the breakpoints in all six cases to subbands 15q22.3 and 17q11.2. Molecular genetic studies have localized the oncogene c-erbA to chromosome #17 between the breakpoints of the constitutional and the acquired anomaly. The present results, therefore, map c-erbA to subband 17q11.2.
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22
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Le Beau MM, Rowley JD, Ferro MT, San Román C. Constitutional t(15;17): clarification of the chromosomal breakpoints. CANCER GENETICS AND CYTOGENETICS 1986; 20:175-7. [PMID: 3455857 DOI: 10.1016/0165-4608(86)90124-x] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
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