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Léveillé F, Ferrer M, Medhurst AL, Laghmani EH, Rooimans MA, Bier P, Steltenpool J, Titus TA, Postlethwait JH, Hoatlin ME, Joenje H, de Winter JP. The nuclear accumulation of the Fanconi anemia protein FANCE depends on FANCC. DNA Repair (Amst) 2006; 5:556-65. [PMID: 16513431 DOI: 10.1016/j.dnarep.2006.01.005] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2005] [Revised: 01/10/2006] [Accepted: 01/13/2006] [Indexed: 01/18/2023]
Abstract
The Fanconi anemia (FA) protein FANCE is an essential component of the nuclear FA core complex, which is required for monoubiquitination of the downstream target FANCD2, an important step in the FA pathway of DNA cross-link repair. FANCE is predominantly localized in the nucleus and acts as a molecular bridge between the FA core complex and FANCD2, through direct binding of both FANCC and FANCD2. At present, it is poorly understood how the nuclear accumulation of FANCE is regulated and therefore we investigated the nuclear localization of this FA protein. We found that FANCE has a strong tendency to localize in the nucleus, since the addition of a nuclear export signal does not interfere with the nuclear localization of FANCE. We also demonstrate that the nuclear accumulation of FANCE does not rely solely on its nuclear localization signal motifs, but also on FANCC. The other FA proteins are not involved in the nuclear accumulation of FANCE, indicating a tight relationship between FANCC and FANCE, as suggested from their direct interaction. Finally, we show that the region of FANCE interacting with FANCC appears to be different from the region involved in binding FANCD2. This strengthens the idea that FANCE recruits FANCD2 to the core complex, without interfering with the binding of FANCC.
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Affiliation(s)
- France Léveillé
- Department of Clinical Genetics and Human Genetics, VU University Medical Center, Van der Boechorststraat 7, 1081 BT Amsterdam, The Netherlands
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2
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Meetei AR, Medhurst AL, Ling C, Xue Y, Singh TR, Bier P, Steltenpool J, Stone S, Dokal I, Mathew CG, Hoatlin M, Joenje H, de Winter JP, Wang W. A human ortholog of archaeal DNA repair protein Hef is defective in Fanconi anemia complementation group M. Nat Genet 2005; 37:958-63. [PMID: 16116422 PMCID: PMC2704909 DOI: 10.1038/ng1626] [Citation(s) in RCA: 329] [Impact Index Per Article: 17.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2005] [Accepted: 07/26/2005] [Indexed: 11/09/2022]
Abstract
Fanconi anemia is a genetic disease characterized by genomic instability and cancer predisposition. Nine genes involved in Fanconi anemia have been identified; their products participate in a DNA damage-response network involving BRCA1 and BRCA2 (refs. 2,3). We previously purified a Fanconi anemia core complex containing the FANCL ubiquitin ligase and six other Fanconi anemia-associated proteins. Each protein in this complex is essential for monoubiquitination of FANCD2, a key reaction in the Fanconi anemia DNA damage-response pathway. Here we show that another component of this complex, FAAP250, is mutant in individuals with Fanconi anemia of a new complementation group (FA-M). FAAP250 or FANCM has sequence similarity to known DNA-repair proteins, including archaeal Hef, yeast MPH1 and human ERCC4 or XPF. FANCM can dissociate DNA triplex, possibly owing to its ability to translocate on duplex DNA. FANCM is essential for monoubiquitination of FANCD2 and becomes hyperphosphorylated in response to DNA damage. Our data suggest an evolutionary link between Fanconi anemia-associated proteins and DNA repair; FANCM may act as an engine that translocates the Fanconi anemia core complex along DNA.
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Affiliation(s)
- Amom Ruhikanta Meetei
- Division of Experimental Hematology, Cincinnati Children’s Hospital Research Foundation and University of Cincinnati College of Medicine, 3333 Burnet Avenue, Cincinnati, Ohio 45229
- Laboratory of Genetics, National Institute on Aging, National Institutes of Health, 333 Cassell Drive, TRIAD Center Room 3000, Baltimore, Maryland 21224
| | - Annette L. Medhurst
- Department of Clinical Genetics and Human Genetics, VU University Medical Center, Van der Boechorststraat 7, 1081 BT Amsterdam, The Netherlands
| | - Chen Ling
- Laboratory of Genetics, National Institute on Aging, National Institutes of Health, 333 Cassell Drive, TRIAD Center Room 3000, Baltimore, Maryland 21224
| | - Yutong Xue
- Laboratory of Genetics, National Institute on Aging, National Institutes of Health, 333 Cassell Drive, TRIAD Center Room 3000, Baltimore, Maryland 21224
| | - Thiyam Ramsing Singh
- Division of Experimental Hematology, Cincinnati Children’s Hospital Research Foundation and University of Cincinnati College of Medicine, 3333 Burnet Avenue, Cincinnati, Ohio 45229
| | - Patrick Bier
- Department of Clinical Genetics and Human Genetics, VU University Medical Center, Van der Boechorststraat 7, 1081 BT Amsterdam, The Netherlands
| | - Jurgen Steltenpool
- Department of Clinical Genetics and Human Genetics, VU University Medical Center, Van der Boechorststraat 7, 1081 BT Amsterdam, The Netherlands
| | - Stacie Stone
- Division of Molecular Medicine & Molecular and Medical Genetics/NRC3, Oregon Health and Science University, 3181 SW Sam Jackson Park Road, Portland, OR 97239, U.S.A
| | - Inderjeet Dokal
- Department of Haematology, Imperial College London, Hammersmith Hospital, London, United Kingdom
| | - Christopher G. Mathew
- Department of Medical and Molecular Genetics, Guy’s, King’s and St Thomas’ School of Medicine, London, United Kingdom
| | - Maureen Hoatlin
- Division of Molecular Medicine & Molecular and Medical Genetics/NRC3, Oregon Health and Science University, 3181 SW Sam Jackson Park Road, Portland, OR 97239, U.S.A
| | - Hans Joenje
- Department of Clinical Genetics and Human Genetics, VU University Medical Center, Van der Boechorststraat 7, 1081 BT Amsterdam, The Netherlands
| | - Johan P. de Winter
- Department of Clinical Genetics and Human Genetics, VU University Medical Center, Van der Boechorststraat 7, 1081 BT Amsterdam, The Netherlands
- #: Correspondence should be addressed to JPW and WW. Telephone: 410-558-8334 (WW); 31-020-444-8283 (JPW), Fax: 410-558-8331 (WW); 31-020-444-8285 (JPW), (WW); (JPW)
| | - Weidong Wang
- Laboratory of Genetics, National Institute on Aging, National Institutes of Health, 333 Cassell Drive, TRIAD Center Room 3000, Baltimore, Maryland 21224
- #: Correspondence should be addressed to JPW and WW. Telephone: 410-558-8334 (WW); 31-020-444-8283 (JPW), Fax: 410-558-8331 (WW); 31-020-444-8285 (JPW), (WW); (JPW)
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Meetei AR, Levitus M, Xue Y, Medhurst AL, Zwaan M, Ling C, Rooimans MA, Bier P, Hoatlin M, Pals G, de Winter JP, Wang W, Joenje H. X-linked inheritance of Fanconi anemia complementation group B. Nat Genet 2004; 36:1219-24. [PMID: 15502827 DOI: 10.1038/ng1458] [Citation(s) in RCA: 213] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2004] [Accepted: 09/17/2004] [Indexed: 11/08/2022]
Abstract
Fanconi anemia is an autosomal recessive syndrome characterized by diverse clinical symptoms, hypersensitivity to DNA crosslinking agents, chromosomal instability and susceptibility to cancer. Fanconi anemia has at least 11 complementation groups (A, B, C, D1, D2, E, F, G, I, J, L); the genes mutated in 8 of these have been identified. The gene BRCA2 was suggested to underlie complementation group B, but the evidence is inconclusive. Here we show that the protein defective in individuals with Fanconi anemia belonging to complementation group B is an essential component of the nuclear protein 'core complex' responsible for monoubiquitination of FANCD2, a key event in the DNA-damage response pathway associated with Fanconi anemia and BRCA. Unexpectedly, the gene encoding this protein, FANCB, is localized at Xp22.31 and subject to X-chromosome inactivation. X-linked inheritance has important consequences for genetic counseling of families with Fanconi anemia belonging to complementation group B. Its presence as a single active copy and essentiality for a functional Fanconi anemia-BRCA pathway make FANCB a potentially vulnerable component of the cellular machinery that maintains genomic integrity.
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Affiliation(s)
- Amom Ruhikanta Meetei
- Laboratory of Genetics, National Institute on Aging, National Institutes of Health, 333 Cassell Drive, TRIAD Center Room 3000, Baltimore, Maryland 21224, USA
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Léveillé F, Blom E, Medhurst AL, Bier P, Laghmani EH, Johnson M, Rooimans MA, Sobeck A, Waisfisz Q, Arwert F, Patel KJ, Hoatlin ME, Joenje H, de Winter JP. The Fanconi anemia gene product FANCF is a flexible adaptor protein. J Biol Chem 2004; 279:39421-30. [PMID: 15262960 DOI: 10.1074/jbc.m407034200] [Citation(s) in RCA: 53] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
The Fanconi anemia (FA) protein FANCF is an essential component of a nuclear core complex that protects the genome against chromosomal instability, but the specific function of FANCF is still poorly understood. Based upon the homology between human and Xenopus laevis FANCF, we carried out an extensive mutagenesis study to examine which domains are functionally important and to gain more insight into the function of FANCF. In contrast to previous suggestions, we show that FANCF does not have a ROM-like function. We found that the C terminus of FANCF interacts directly with FANCG and allows the assembly of other FA proteins into a stable complex. The N terminus appears to stabilize the interaction with FANCA and FANCG and is essential for the binding of the FANCC/FANCE subcomplex. We identified several important amino acids in this N-terminal region but, surprisingly, many amino acid changes failed to affect the function of the FANCF protein. Our data demonstrate that FANCF acts as a flexible adaptor protein that plays a key role in the proper assembly of the FA core complex.
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Affiliation(s)
- France Léveillé
- Department of Clinical Genetics and Human Genetics, VU University Medical Center, Van der Boechorststraat 7, NL-1081BT Amsterdam, The Netherlands
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Hölzel M, van Diest PJ, Bier P, Wallisch M, Hoatlin ME, Joenje H, de Winter JP. FANCD2 protein is expressed in proliferating cells of human tissues that are cancer-prone in Fanconi anaemia. J Pathol 2003; 201:198-203. [PMID: 14517836 DOI: 10.1002/path.1450] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Fanconi anaemia (FA) is an inherited form of progressive pancytopenia associated with developmental defects, chromosomal instability, and cancer predisposition. At least seven distinct FA proteins function in concert to protect the genome, a key step being the activation of FANCD2 by mono-ubiquitination. This paper reports an immunohistochemical analysis of FANCD2 expression in normal human tissue. The highest expression was observed in maturing spermatocytes and fetal oocytes (consistent with a role for FANCD2 in meiosis) and in germinal centre cells of the spleen, tonsil, and lymph nodes (consistent with a role in proliferation). FANCD2 expression was also seen in tissues predisposed to cancer development in FA patients: haematopoietic cells, especially in the fetus, and squamous cell epithelia, particularly in the head and neck region and uterine cervix. FANCD2 expression was also occasionally seen in the breast and Fallopian tube epithelium, the respiratory epithelium of the trachea, and the exocrine cells of the pancreas, indicating that these tissues may also be cancer-prone in FA. FANCD2 expression is frequently expressed in proliferating cells as demonstrated by Ki-67 immunofluorescence double staining, consistent with a function of FANCD2 in DNA replication.
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Affiliation(s)
- Michael Hölzel
- Department of Pathology, VU University Medical Center, Amsterdam, The Netherlands
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Magda MT, Bauge E, Elmaani A, Braunstein T, Gelderloos CJ, Ajitanand NN, Alexander JM, Ethvignot T, Bier P, Kowalski L, Désequelles P, Elhage H, Giorni A, Kox S, Lleres A, Merchez F, Morand C, Stassi P, Benrachi JB, Chambon B, Cheynis B, Drain D, Pastor C. Fusionlike reactions of 40Ar up to 1.36 GeV: Prethermalization and postthermalization particles and fragments. Phys Rev C Nucl Phys 1996; 53:R1473-R1477. [PMID: 9971177 DOI: 10.1103/physrevc.53.r1473] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
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7
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Ethvignot T, Elmaani A, Ajitanand NN, Alexander JM, Bauge E, Bier P, Kowalski L, Magda MT, Désesquelles P, Elhage H, Giorni A, Heuer D, Kox S, Lleres A, Merchez F, Morand C, Rebreyend D, Stassi P, Viano JB, Benrachi S, Chambon B, Cheynis B, Drain D, Pastor C, Fourier J. Tracking the dissipation of energy and angular momentum in central collisions between Ag and 40Ar of 7, 17, 27, and 34 MeV/nucleon. Phys Rev C Nucl Phys 1991; 43:R2035-R2039. [PMID: 9967305 DOI: 10.1103/physrevc.43.r2035] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
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Bier P, Binsack R, Vernaleken H, Rempel D. Einfluß verzweigter codiole auf das kristallisationsverhalten von aromatischen polyestern. ACTA ACUST UNITED AC 1977. [DOI: 10.1002/apmc.1977.050650101] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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9
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Heitz W, Bier P. Gelchromatographie. 12. Mitt. Gelchromatographisches Verhalten von Polyvinylalkoholen. Colloid Polym Sci 1977. [DOI: 10.1007/bf01550165] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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10
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Nechwatal W, Bier P, Eversmann A, König E. [The noninvasive determination of cardiac output by means of impedance cardiography. Comparative evaluation with a thermal dilution technique (author's transl)]. Basic Res Cardiol 1976; 71:542-52. [PMID: 1016191 DOI: 10.1007/bf01909768] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
When a high frequency alternating current is passed through the thorax by means of tape-electrodes, the electrical impedance Z is changing synchronously with the cardiac cycle. The relation between the first derivative dZ/dt and the stroke volume is the basis for the application of impedance cardiography (IK) Determinations of cardiac output (CO) at rest during ergometer exercise using this noninvasive technique were compared with CO values obtained by the thermal dilution method. In 57 subjects simultaneous determinations using both methods were performed at resting conditions. The correlation coefficient was r = 0.63. In addition, in 48 of the subjects CO was measured with both methods during supine ergometer exercise. Comparison of the exercise values resulted in a correlation coefficient of r = 0.63. In all 48 cases there was a concordant change of the IK and thermodilution CO values. It is concluded that relative changes of CO are reliably detected by IK. The absolute values can be utilized only approximately.
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11
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Nechwatal W, Eversmann A, Bier P, König E. [Determination of cardiac output by means of an automatized thermal dilution technique (author's transl)]. Klin Wochenschr 1976; 54:677-82. [PMID: 790005 DOI: 10.1007/bf01469148] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Cardiac output was measured in 55 patients by the direct Fick method and an automatized thermodilution method. The results showed a good correlation (correlation factor r = 0.87, regression equation y = 0.91 x + 0.59). For the thermodilution method ice-cold normal saline solution as indicator substance was injected into the right atrium. The temperature-time-curve was measured by a thermistor located in the pulmonary artery. The area of indicator dilution was determined by electronic integration, the calculated cardiac output appeared as 1/min in digital display.
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