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Brampton C, Pomozi V, Le Corre Y, Zoll J, Kauffenstein G, Ma C, Hoffmann PR, Martin L, Le Saux O. Bone Marrow-Derived ABCC6 Is an Essential Regulator of Ectopic Calcification In Pseudoxanthoma Elasticum. J Invest Dermatol 2024:S0022-202X(24)00110-6. [PMID: 38367909 DOI: 10.1016/j.jid.2024.01.026] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2023] [Revised: 12/31/2023] [Accepted: 01/26/2024] [Indexed: 02/19/2024]
Abstract
Physiological calcification of soft tissues is a common occurrence in aging and various acquired and inherited disorders. ABCC6 sequence variations cause the calcification phenotype of pseudoxanthoma elasticum (PXE) as well as some cases of generalized arterial calcification of infancy, which is otherwise caused by defective ENPP1. ABCC6 is primarily expressed in the liver, which has given the impression that the liver is central to the pathophysiology of PXE/generalized arterial calcification of infancy. The emergence of inflammation as a contributor to the calcification in PXE suggested that peripheral tissues play a larger role than expected. In this study, we investigated whether bone marrow-derived ABCC6 contributes to the calcification in PXE. In Abcc6‒/‒ mice, we observed prevalent mineralization in several lymph nodes and surrounding connective tissues and an extensive network of lymphatic vessels within vibrissae, a calcified tissue in Abcc6‒/‒ mice. Furthermore, we found evidence of lymphangiogenesis in patients with PXE and mouse skin, suggesting an inflammatory process. Finally, restoring wild-type bone marrow in Abcc6‒/‒ mice produced a significant reduction of calcification, suggesting that the liver alone is not sufficient to fully inhibit mineralization. With evidence that ABCC6 is expressed in lymphocytes, we suggest that the adaptative immune system and inflammation largely contribute to the calcification in PXE/generalized arterial calcification of infancy.
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Affiliation(s)
- Christopher Brampton
- Department of Cell and Molecular Biology, John A. Burns School of Medicine, University of Hawaii, Honolulu, Hawaii, USA; Bio-Rad Laboratories, Hercules, California, USA
| | - Viola Pomozi
- Department of Cell and Molecular Biology, John A. Burns School of Medicine, University of Hawaii, Honolulu, Hawaii, USA; Institute of Enzymology, Research Center for Natural Sciences, Hungarian Academy of Sciences Centre of Excellence, Budapest, Hungary
| | - Yannick Le Corre
- PXE National Reference Center (MAGEC Nord), University Hospital of Angers, Angers, France
| | - Janna Zoll
- Department of Cell and Molecular Biology, John A. Burns School of Medicine, University of Hawaii, Honolulu, Hawaii, USA
| | - Gilles Kauffenstein
- UMR INSERM 1260, Nano Regenerative Medicine, University of Strasbourg, Strasbourg, France
| | - Chi Ma
- Department of Cell and Molecular Biology, John A. Burns School of Medicine, University of Hawaii, Honolulu, Hawaii, USA
| | - Peter R Hoffmann
- Department of Cell and Molecular Biology, John A. Burns School of Medicine, University of Hawaii, Honolulu, Hawaii, USA
| | - Ludovic Martin
- PXE National Reference Center (MAGEC Nord), University Hospital of Angers, Angers, France; CNRS 6015, UMR INSERM U1083, MITOVASC Laboratory, University of Angers, Angers, France
| | - Olivier Le Saux
- Department of Cell and Molecular Biology, John A. Burns School of Medicine, University of Hawaii, Honolulu, Hawaii, USA.
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Araghi F, Dadkhahfar S, Tabary M, Rakhshan A, Gheisari M. Progressive Primary Plate-Like Osteoma Cutis of the Scalp. Skin Appendage Disord 2021; 7:216-219. [PMID: 34055911 PMCID: PMC8138260 DOI: 10.1159/000512785] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2020] [Accepted: 11/04/2020] [Indexed: 11/19/2022] Open
Abstract
Osteoma cutis (OC) or cutaneous ossification refers to uncommon bone formation in the skin. Primary OC develops without any predisposing factor or pre-existing lesion, whereas secondary OC sets out as a dystrophic ossification following traumatic, cicatricial, and neoplastic factors or other cutaneous inflammations. Herein, we report a rare case of long-standing progressive primary OC of the scalp resected in 3 sessions with no recurrence after 1 year.
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Affiliation(s)
- Farnaz Araghi
- Skin Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Sahar Dadkhahfar
- Skin Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Mohammadreza Tabary
- Experimental Medicine Research Center, Tehran University of Medical Sciences, Tehran, Iran
| | - Azadeh Rakhshan
- Department of Pathology, Shohada-e-Tajrish Educational Hospital, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Mehdi Gheisari
- Skin Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
- Department of Dermatology, Loghman Hakim Hospital, Shahid Beheshti University of Medical Sciences, Tehran, Iran
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Dordoni C, Gatti M, Venturini M, Zanca A, Cinquina V, Santoro G, Battocchio S, Calzavara-Pinton P, Ritelli M, Colombi M. Characterization of a Pseudoxanthoma elasticum-like patient with coagulation deficiency, cutaneous calcinosis and GGCX compound heterozygosity. J Dermatol Sci 2017; 89:201-204. [PMID: 29175035 DOI: 10.1016/j.jdermsci.2017.11.009] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2017] [Revised: 10/19/2017] [Accepted: 11/21/2017] [Indexed: 11/19/2022]
Affiliation(s)
- Chiara Dordoni
- Division of Biology and Genetics, Department of Molecular and Translational Medicine, School of Medicine, University of Brescia, Italy
| | - Marta Gatti
- Division of Biology and Genetics, Department of Molecular and Translational Medicine, School of Medicine, University of Brescia, Italy
| | - Marina Venturini
- Division of Dermatology, Department of Clinical and Experimental Sciences, Spedali Civili University Hospital, Brescia, Italy
| | - Arianna Zanca
- Division of Dermatology, Department of Clinical and Experimental Sciences, Spedali Civili University Hospital, Brescia, Italy
| | - Valeria Cinquina
- Division of Biology and Genetics, Department of Molecular and Translational Medicine, School of Medicine, University of Brescia, Italy
| | - Graziano Santoro
- Division of Biology and Genetics, Department of Molecular and Translational Medicine, School of Medicine, University of Brescia, Italy
| | - Simonetta Battocchio
- Pathology Unit, Department of Molecular and Translational Medicine, University of Brescia, Spedali Civili, Italy
| | - Piergiacomo Calzavara-Pinton
- Division of Dermatology, Department of Clinical and Experimental Sciences, Spedali Civili University Hospital, Brescia, Italy
| | - Marco Ritelli
- Division of Biology and Genetics, Department of Molecular and Translational Medicine, School of Medicine, University of Brescia, Italy
| | - Marina Colombi
- Division of Biology and Genetics, Department of Molecular and Translational Medicine, School of Medicine, University of Brescia, Italy.
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Váradi A, Szabó Z, Pomozi V, de Boussac H, Fülöp K, Arányi T. ABCC6 as a target in pseudoxanthoma elasticum. Curr Drug Targets 2011; 12:671-82. [PMID: 21039331 PMCID: PMC3324121 DOI: 10.2174/138945011795378612] [Citation(s) in RCA: 37] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2009] [Accepted: 05/10/2010] [Indexed: 01/30/2023]
Abstract
The ABCC6 gene encodes an organic anion transporter protein, ABCC6/MRP6. Mutations in the gene cause a rare, recessive genetic disease, pseudoxanthoma elasticum, while the loss of one ABCC6 allele is a genetic risk factor in coronary artery disease. We review here the information available on gene structure, evolution as well as the present knowledge on its transcriptional regulation. We give a detailed description of the characteristics of the protein, and analyze the relationship between the distributions of missense disease-causing mutations in the predicted three-dimensional structure of the transporter, which suggests functional importance of the domain-domain interactions. Though neither the physiological function of the protein nor its role in the pathobiology of the diseases are known, a current hypothesis that ABCC6 may be involved in the efflux of one form of Vitamin K from the liver is discussed. Finally, we analyze potential strategies how the gene can be targeted on the transcriptional level to increase protein expression in order to compensate for reduced activity. In addition, pharmacologic correction of trafficking-defect mutants or suppression of stop codon mutations as potential future therapeutic interventions are also reviewed.
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Affiliation(s)
- András Váradi
- Institute of Enzymology, Hungarian Academy of Sciences, Budapest, Hungary.
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Lee WJ, Bak H, Chang SE, Lee MW, Choi JH, Moon KC, Koh JK. Autosomal recessive type 2 pseudoxanthoma elasticum presenting with generalized skin laxity. J Dermatol 2009; 36:288-92. [PMID: 19383000 DOI: 10.1111/j.1346-8138.2009.00640.x] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
Herein, we describe a sporadic case of recessive type 2 pseudoxanthoma elasticum. A 26-year-old woman without family history presented with cutis laxa-like marked wrinkling involving the whole-body and a serpiginous streak on the upper left arm. She denied any other systemic problems related to difficulty with visual acuity or vascular disease. A skin biopsy specimen from the loose skin showed the accumulation of calcified degenerated elastic fibers and foci of ossification in the dermis. Histopathological study from a serpiginous streak revealed mineralized debris that was eliminated through the epidermis, the finding consistent with elastosis perforans serpiginosa. Recessive type 2 pseudoxanthoma elasticum is very rare and the presenting case is interesting in that this patient presented with lesions of secondary ossification and elastosis perforans serpiginosa in association with pseudoxanthoma elasticum.
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Affiliation(s)
- Woo Jin Lee
- Department of Dermatology, Asan Medical Center, University of Ulsan College of Medicine, 388-1 Pungnapdong Songpagu, Seoul 138-736, Korea.
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Samaniego-González E, Crespo-Erchiga A, Gómez-Moyano E, Boz-González JD, Sanz-Trelles A. Perforans multiple osteoma cutis on the leg in a young woman. J Cutan Pathol 2009; 36:497-8. [PMID: 19278440 DOI: 10.1111/j.1600-0560.2008.01057.x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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Christner PJ, Gentiletti J, Peters J, Ball ST, Yamauchi M, Atsawasuwan P, Beason DP, Soslowsky LJ, Birk DE. Collagen dysregulation in the dermis of the Sagg/+ mouse: a loose skin model. J Invest Dermatol 2006; 126:595-602. [PMID: 16424879 DOI: 10.1038/sj.jid.5700100] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
The Sagg/+ mouse is an ethylnitrosourea-derived mutant with a dermal phenotype similar to some of the subtypes of Ehlers-Danlos syndrome (EDS) and cutis laxa. The dermis of the Sagg/+ mouse has less dense and more disorganized collagen fibers compared to controls. The size of extracted Type I dermal collagen was the same as that observed in normal skin; however, more collagen could be extracted from Sagg/+ skin, which also showed decreased collagen content and decreased steady-state levels of alpha1(I), alpha2(I), alpha1(V), and alpha2(V) procollagen mRNAs. The biomechanical properties of Sagg/+ skin were significantly decreased relative to normal skin. However, there were no significant differences in the quantities of the major collagen cross-links, that is, dehydrohydroxylysinonorleucine and dehydrohistidinohydroxymerodesmosine between Sagg/+ and normal skin. Electron microscopic evaluation of Sagg/+ skin indicated that the mutation interferes with the proper formation of collagen fibrils and the data are consistent with a mutation in Type V collagen leading to haploinsufficiency with the formation of two sub-populations of collagen fibrils, one normal and one with irregular shape and a larger diameter. Further study of this novel mutation will allow the identification of new mechanisms involved in the regulation of normal and pathologic collagen gene expression.
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Affiliation(s)
- Paul J Christner
- Department of Medicine, The Division of Rheumatology, Thomas Jefferson University, Philadelphia, Pennsylvania 19107-5541, USA.
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Bahadir S, Cobanoğlu U, Siviloglu C, Kapicioglu Z, Baykan M. Cutis laxa-like pseudoxanthoma elasticum with ossification. Int J Dermatol 2004; 43:375-8. [PMID: 15117373 DOI: 10.1111/j.1365-4632.2004.01911.x] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Sevgi Bahadir
- Department of Dermatology, Faculty of Medicine, Karadeniz Technical University, Trabzon, Turkey.
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Davis MDP, Pittelkow MR, Lindor NM, Lundstrom CE, Fitzpatrick LA. Progressive extensive osteoma cutis associated with dysmorphic features: a new syndrome? Case report and review of the literature. Br J Dermatol 2002; 146:1075-80. [PMID: 12072082 DOI: 10.1046/j.1365-2133.2002.04674.x] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Abstract
Osteoma cutis, also called cutaneous ossification, refers to the rare occurrence of bone in the skin. It may be primary, occurring in normal skin, or secondary, occurring in disrupted skin tissue. A 42-year-old white woman presented with long-standing progressive primary osteoma cutis involving her head and neck, trunk and extremities. She had craniofacial dysmorphism with mid-face hypoplasia, including saddle nose deformity, mild to moderate generalized joint hypermobility, extensive paravertebral ossification, and disc space calcification. The differential diagnosis for this entity is presented. This phenotype may be a previously undescribed syndrome.
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Affiliation(s)
- M D P Davis
- Department of Dermatology, Mayo Clinic, 200 First Street SW, Rochester, MN 55905, USA.
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