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Yu F, Zeng G, Yang L, Zhou H, Wang Y. LAMB3: Central role and clinical significance in neoplastic and non-neoplastic diseases. Biomed Pharmacother 2024; 178:117233. [PMID: 39111076 DOI: 10.1016/j.biopha.2024.117233] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2024] [Revised: 07/18/2024] [Accepted: 07/30/2024] [Indexed: 08/25/2024] Open
Abstract
Recently, topics related to targeted gene therapy and diagnosis have become increasingly important in disease research. The progression of many diseases is associated with specific gene signaling pathways. Therefore, the identification of precise gene targets in various diseases is crucial for the development of effective treatments. Laminin subunit beta 3 (LAMB3), a component of laminin 5, functions as an adhesive protein in the extracellular matrix and plays a vital role in regulating cell proliferation, migration, and cell cycle in certain diseases. Previous studies have indicated that LAMB3 is highly expressed in numerous tumorous and non-tumorous conditions, including renal fibrosis; squamous cell carcinoma of the skin, thyroid, lung, pancreatic, ovarian, colorectalr, gastric, breast, cervical, nasopharyngeal, bladder, prostate cancers; and cholangiocarcinoma. Conversely, it is underexpressed in other conditions, such as hepatocellular carcinoma, epidermolysis bullosa, and amelogenesis imperfecta. Consequently, LAMB3 may serve as a molecular diagnostic and therapeutic target for various diseases through its involvement in critical gene signaling pathways. This paper reviews the research status of LAMB3 and its role in related diseases.
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Affiliation(s)
- Fangqiu Yu
- Urological Department, First Hospital of Jilin University, Changchun, Jilin Province 130021, China
| | - Guoqiang Zeng
- Urological Department, First Hospital of Jilin University, Changchun, Jilin Province 130021, China
| | - Lei Yang
- Urological Department, First Hospital of Jilin University, Changchun, Jilin Province 130021, China
| | - Honglan Zhou
- Urological Department, First Hospital of Jilin University, Changchun, Jilin Province 130021, China
| | - Yuantao Wang
- Urological Department, First Hospital of Jilin University, Changchun, Jilin Province 130021, China.
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Castiglia D, Fortugno P, Condorelli AG, Barresi S, De Luca N, Pizzi S, Neri I, Graziano C, Trojan D, Ponzin D, Rossi S, Zambruno G, Tartaglia M. A Novel Phenotype of Junctional Epidermolysis Bullosa with Transient Skin Fragility and Predominant Ocular Involvement Responsive to Human Amniotic Membrane Eyedrops. Genes (Basel) 2021; 12:716. [PMID: 34064633 PMCID: PMC8151857 DOI: 10.3390/genes12050716] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2021] [Revised: 05/07/2021] [Accepted: 05/08/2021] [Indexed: 02/06/2023] Open
Abstract
Junctional epidermolysis bullosa (JEB) is a clinically and genetically heterogeneous skin fragility disorder frequently caused by mutations in genes encoding the epithelial laminin isoform, laminin-332. JEB patients also present mucosal involvement, including painful corneal lesions. Recurrent corneal abrasions may lead to corneal opacities and visual impairment. Current treatments are merely supportive. We report a novel JEB phenotype distinguished by the complete resolution of skin fragility in infancy and persistent ocular involvement with unremitting and painful corneal abrasions. Biallelic LAMB3 mutations c.3052-5C>G and c.3492_3493delCG were identified as the molecular basis for this phenotype, with one mutation being a hypomorphic splice variant that allows residual wild-type laminin-332 production. The reduced laminin-332 level was associated with impaired keratinocyte adhesion. Then, we also investigated the therapeutic power of a human amniotic membrane (AM) eyedrop preparation for corneal lesions. AM were isolated from placenta donors, according to a procedure preserving the AM biological characteristics as a tissue, and confirmed to contain laminin-332. We found that AM eyedrop preparation could restore keratinocyte adhesion in an in vitro assay. Of note, AM eyedrop administration to the patient resulted in long-lasting remission of her ocular manifestations. Our findings suggest that AM eyedrops could represent an effective, non-invasive, simple-to-handle treatment for corneal lesions in patients with JEB and possibly other EB forms.
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Affiliation(s)
- Daniele Castiglia
- Laboratory of Molecular and Cell Biology, IDI-IRCCS, 00167 Rome, Italy; (P.F.); (N.D.L.)
| | - Paola Fortugno
- Laboratory of Molecular and Cell Biology, IDI-IRCCS, 00167 Rome, Italy; (P.F.); (N.D.L.)
| | - Angelo Giuseppe Condorelli
- Genodermatosis Unit, Genetics and Rare Diseases Research Division, Bambino Gesù Children’s Hospital, IRCCS, 00165 Rome, Italy; (A.G.C.); (G.Z.)
| | - Sabina Barresi
- Genetics and Rare Diseases Research Division, Bambino Gesù Children’s Hospital, IRCCS, 00146 Rome, Italy; (S.B.); (S.P.); (M.T.)
| | - Naomi De Luca
- Laboratory of Molecular and Cell Biology, IDI-IRCCS, 00167 Rome, Italy; (P.F.); (N.D.L.)
| | - Simone Pizzi
- Genetics and Rare Diseases Research Division, Bambino Gesù Children’s Hospital, IRCCS, 00146 Rome, Italy; (S.B.); (S.P.); (M.T.)
| | - Iria Neri
- Department of Experimental, Diagnostic and Specialty Medicine, Division of Dermatology, S. Orsola-Malpighi University Hospital, 40138 Bologna, Italy;
| | - Claudio Graziano
- Medical Genetics, S. Orsola-Malpighi University Hospital, 40138 Bologna, Italy;
| | | | - Diego Ponzin
- The Veneto Eye Bank Foundation, 30174 Venice, Italy;
| | - Sabrina Rossi
- Pathology Unit, Department of Laboratories, Bambino Gesù Children’s Hospital, IRCCS, 00165 Rome, Italy;
| | - Giovanna Zambruno
- Genodermatosis Unit, Genetics and Rare Diseases Research Division, Bambino Gesù Children’s Hospital, IRCCS, 00165 Rome, Italy; (A.G.C.); (G.Z.)
| | - Marco Tartaglia
- Genetics and Rare Diseases Research Division, Bambino Gesù Children’s Hospital, IRCCS, 00146 Rome, Italy; (S.B.); (S.P.); (M.T.)
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Mittwollen R, Wohlfart S, Park J, Grosch E, Has C, Hohenester E, Schneider H, Hammersen J. Aberrant splicing as potential modifier of the phenotype of junctional epidermolysis bullosa. J Eur Acad Dermatol Venereol 2020; 34:2127-2134. [PMID: 32124492 DOI: 10.1111/jdv.16332] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2019] [Accepted: 02/06/2020] [Indexed: 12/17/2022]
Abstract
BACKGROUND A lack or dysfunction of the anchoring protein laminin-332 in the basement membrane leads to the skin blistering disorder junctional epidermolysis bullosa (JEB). The mutation c.628G>A in the gene LAMB3 encoding the laminin β3-chain is associated with generalized intermediate JEB; it may introduce an amino acid substitution (p.Glu210Lys) or disrupt splicing. OBJECTIVE This retrospective study aimed at determining the effects of aberrant splicing on the JEB phenotype. METHODS LAMB3 transcription was analysed in two siblings compound heterozygous for the LAMB3 mutations p.Glu210Lys and p.Arg635* with a diverging JEB phenotype from late childhood on. Laminin-332 levels in skin sections and in cultured keratinocytes were investigated by immunofluorescence staining. Real-time PCR was used to quantify LAMB3 expression in keratinocytes. RNA splice variants were identified by subcloning of a LAMB3 cDNA fraction and subsequent DNA sequencing. Structural models of laminin-332 helped to assess the impact of certain mutations on laminin-332 folding. RESULTS Both siblings showed diminished LAMB3 expression. Laminin-332 was equally reduced in skin sections obtained during infancy but differed in keratinocytes isolated during adolescence. Although aberrant LAMB3 splicing with 26 variants was detected in both patients, splicing differed significantly: the full-length LAMB3 transcript harbouring the p.Glu210Lys mutation was found more often in the patient affected less severely (14/108 vs. 5/106 clones; P = 0.03). Structural modelling predicted that several deletions in LAMB3, but not the point mutation p.Glu210Lys, have an effect on laminin-332 folding and secretion. CONCLUSIONS Differential LAMB3 mRNA splicing in the patients may explain the disparate JEB phenotype. By elucidating the regulation of laminin-332 gene expression, these findings may contribute to the development of therapeutic strategies for JEB and might help to understand phenotype modification by splice-site mutations in other hereditary diseases.
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Affiliation(s)
- R Mittwollen
- Department of Pediatrics, University Hospital Erlangen, Erlangen, Germany
| | - S Wohlfart
- Department of Pediatrics, University Hospital Erlangen, Erlangen, Germany
| | - J Park
- Department of Pediatrics, University Hospital Erlangen, Erlangen, Germany
| | - E Grosch
- Department of Dermatology, University Hospital Erlangen, Erlangen, Germany
| | - C Has
- Department of Dermatology, University Medical Center Freiburg, Freiburg, Germany
| | - E Hohenester
- Department of Life Sciences, Imperial College London, London, UK
| | - H Schneider
- Department of Pediatrics, University Hospital Erlangen, Erlangen, Germany
| | - J Hammersen
- Department of Pediatrics, University Hospital Erlangen, Erlangen, Germany
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Fania L, Provini A, Salemme A, Sinagra JL, Guerra L, Mazzanti C, Didona B, Castiglia D, Di Zenzo G. Development of bullous pemphigoid in junctional epidermolysis bullosa. J Eur Acad Dermatol Venereol 2020; 34:e146-e148. [PMID: 31709656 DOI: 10.1111/jdv.16057] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Affiliation(s)
- L Fania
- First Dermatologic Division, IDI-IRCCS, Rome, Italy
| | - A Provini
- First Dermatologic Division, IDI-IRCCS, Rome, Italy
| | - A Salemme
- Laboratory of Molecular and Cell Biology, IDI-IRCCS, Rome, Italy
| | - J L Sinagra
- Laboratory of Molecular and Cell Biology, IDI-IRCCS, Rome, Italy
| | - L Guerra
- Laboratory of Molecular and Cell Biology, IDI-IRCCS, Rome, Italy
| | - C Mazzanti
- First Dermatologic Division, IDI-IRCCS, Rome, Italy
| | - B Didona
- First Dermatologic Division, IDI-IRCCS, Rome, Italy
| | - D Castiglia
- Laboratory of Molecular and Cell Biology, IDI-IRCCS, Rome, Italy
| | - G Di Zenzo
- Laboratory of Molecular and Cell Biology, IDI-IRCCS, Rome, Italy
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Fortugno P, Condorelli AG, Dellambra E, Guerra L, Cianfarani F, Tinaburri L, Proto V, De Luca N, Passarelli F, Ricci F, Zambruno G, Castiglia D. Multiple Skin Squamous Cell Carcinomas in Junctional Epidermolysis Bullosa Due to Altered Laminin-332 Function. Int J Mol Sci 2020; 21:E1426. [PMID: 32093196 PMCID: PMC7073068 DOI: 10.3390/ijms21041426] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2020] [Revised: 02/12/2020] [Accepted: 02/18/2020] [Indexed: 12/31/2022] Open
Abstract
Variably reduced expression of the basement membrane component laminin-332 (α3aβ3γ2) causes junctional epidermolysis bullosa generalized intermediate (JEB-GI), a skin fragility disorder with an increased susceptibility to squamous cell carcinoma (SCC) development in adulthood. Laminin-332 is highly expressed in several types of epithelial tumors and is central to signaling pathways that promote SCC tumorigenesis. However, laminin-332 mutations and expression in individuals affected by JEB-GI and suffering from recurrent SCCs have been poorly characterized. We studied a JEB-GI patient who developed over a hundred primary cutaneous SCCs. Molecular analysis combined with gene expression studies in patient skin and primary keratinocytes revealed that the patient is a functional hemizygous for the p.Cys1171* mutant allele which is transcribed in a stable mRNA encoding for a β3 chain shortened of the last two C-terminal amino acids (Cys1171-Lys1172). The lack of the Cys1171 residue involved in the C-terminal disulphide bond to γ2 chain did not prevent assembly, secretion, and proteolytic processing of the heterotrimeric molecule. Immunohistochemistry of SCC specimens revealed accumulation of mutant laminin-332 at the epithelial-stromal interface of invasive front. We conclude that the C-terminal disulphide bond is a structural element crucial for laminin-332 adhesion function in-vivo. By saving laminin-332 amount, processing, and signaling role the p.Cys1171* mutation may allow intrinsic pro-tumorigenic properties of the protein to be conveyed, thus contributing to invasiveness and recurrence of SCCs in this patient.
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Affiliation(s)
- Paola Fortugno
- Laboratory of Molecular and Cell Biology, IDI-IRCCS, via Monti di Creta 104, 00167 Rome, Italy; (P.F.); (E.D.); (L.G.); (F.C.); (L.T.); (V.P.); (N.D.L.)
| | - Angelo Giuseppe Condorelli
- Genetics and Rare Diseases Research Division, Bambino Gesù Children’s Hospital, IRCCS, viale di San Paolo 15, 00146 Rome, Italy; (A.G.C.)
| | - Elena Dellambra
- Laboratory of Molecular and Cell Biology, IDI-IRCCS, via Monti di Creta 104, 00167 Rome, Italy; (P.F.); (E.D.); (L.G.); (F.C.); (L.T.); (V.P.); (N.D.L.)
| | - Liliana Guerra
- Laboratory of Molecular and Cell Biology, IDI-IRCCS, via Monti di Creta 104, 00167 Rome, Italy; (P.F.); (E.D.); (L.G.); (F.C.); (L.T.); (V.P.); (N.D.L.)
| | - Francesca Cianfarani
- Laboratory of Molecular and Cell Biology, IDI-IRCCS, via Monti di Creta 104, 00167 Rome, Italy; (P.F.); (E.D.); (L.G.); (F.C.); (L.T.); (V.P.); (N.D.L.)
| | - Lavinia Tinaburri
- Laboratory of Molecular and Cell Biology, IDI-IRCCS, via Monti di Creta 104, 00167 Rome, Italy; (P.F.); (E.D.); (L.G.); (F.C.); (L.T.); (V.P.); (N.D.L.)
| | - Vittoria Proto
- Laboratory of Molecular and Cell Biology, IDI-IRCCS, via Monti di Creta 104, 00167 Rome, Italy; (P.F.); (E.D.); (L.G.); (F.C.); (L.T.); (V.P.); (N.D.L.)
| | - Naomi De Luca
- Laboratory of Molecular and Cell Biology, IDI-IRCCS, via Monti di Creta 104, 00167 Rome, Italy; (P.F.); (E.D.); (L.G.); (F.C.); (L.T.); (V.P.); (N.D.L.)
| | - Francesca Passarelli
- Pathology Unit, IDI-IRCCS, via Monti di Creta 104, 00167 Rome, Italy; (F.P.); (F.R.)
| | - Francesca Ricci
- Pathology Unit, IDI-IRCCS, via Monti di Creta 104, 00167 Rome, Italy; (F.P.); (F.R.)
| | - Giovanna Zambruno
- Genetics and Rare Diseases Research Division, Bambino Gesù Children’s Hospital, IRCCS, viale di San Paolo 15, 00146 Rome, Italy; (A.G.C.)
| | - Daniele Castiglia
- Laboratory of Molecular and Cell Biology, IDI-IRCCS, via Monti di Creta 104, 00167 Rome, Italy; (P.F.); (E.D.); (L.G.); (F.C.); (L.T.); (V.P.); (N.D.L.)
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Maghsoudloo M, Azimzadeh Jamalkandi S, Najafi A, Masoudi-Nejad A. Identification of biomarkers in common chronic lung diseases by co-expression networks and drug-target interactions analysis. Mol Med 2020; 26:9. [PMID: 31952466 PMCID: PMC6969427 DOI: 10.1186/s10020-019-0135-9] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2019] [Accepted: 12/30/2019] [Indexed: 02/07/2023] Open
Abstract
Background asthma, chronic obstructive pulmonary disease (COPD), and idiopathic pulmonary fibrosis (IPF) are three serious pulmonary diseases that contain common and unique characteristics. Therefore, the identification of biomarkers that differentiate these diseases is of importance for preventing misdiagnosis. In this regard, the present study aimed to identify the disorders at the early stages, based on lung transcriptomics data and drug-target interactions. Methods To this end, the differentially expressed genes were found in each disease. Then, WGCNA was utilized to find specific and consensus gene modules among the three diseases. Finally, the disease-disease similarity was analyzed, followed by determining candidate drug-target interactions. Results The results confirmed that the asthma lung transcriptome was more similar to COPD than IPF. In addition, the biomarkers were found in each disease and thus were proposed for further clinical validations. These genes included RBM42, STX5, and TRIM41 in asthma, CYP27A1, GM2A, LGALS9, SPI1, and NLRC4 in COPD, ATF3, PPP1R15A, ZFP36, SOCS3, NAMPT, and GADD45B in IPF, LRRC48 and CETN2 in asthma-COPD, COL15A1, GIMAP6, and JAM2 in asthma-IPF and LMO7, TSPAN13, LAMA3, and ANXA3 in COPD-IPF. Finally, analyzing drug-target networks suggested anti-inflammatory candidate drugs for treating the above mentioned diseases. Conclusion In general, the results revealed the unique and common biomarkers among three chronic lung diseases. Eventually, some drugs were suggested for treatment purposes.
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Affiliation(s)
- Mazaher Maghsoudloo
- Laboratory of Systems Biology and Bioinformatics (LBB), Department of Bioinformatics, Kish International Campus, University of Tehran, Kish Island, Iran.,Laboratory of Systems Biology and Bioinformatics (LBB), Institute of Biochemistry and Biophysics, University of Tehran, Tehran, Iran
| | | | - Ali Najafi
- Molecular Biology Research Center, Systems Biology and Poisonings Institute, Tehran, Iran
| | - Ali Masoudi-Nejad
- Laboratory of Systems Biology and Bioinformatics (LBB), Department of Bioinformatics, Kish International Campus, University of Tehran, Kish Island, Iran. .,Laboratory of Systems Biology and Bioinformatics (LBB), Institute of Biochemistry and Biophysics, University of Tehran, Tehran, Iran.
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Benati D, Miselli F, Cocchiarella F, Patrizi C, Carretero M, Baldassarri S, Ammendola V, Has C, Colloca S, Del Rio M, Larcher F, Recchia A. CRISPR/Cas9-Mediated In Situ Correction of LAMB3 Gene in Keratinocytes Derived from a Junctional Epidermolysis Bullosa Patient. Mol Ther 2018; 26:2592-2603. [PMID: 30122422 PMCID: PMC6224783 DOI: 10.1016/j.ymthe.2018.07.024] [Citation(s) in RCA: 43] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2018] [Revised: 07/23/2018] [Accepted: 07/29/2018] [Indexed: 01/11/2023] Open
Abstract
Deficiency of basement membrane heterotrimeric laminin 332 component, coded by LAMA3, LAMB3, and LAMC2 genes, causes junctional epidermolysis bullosa (JEB), a severe skin adhesion defect. Herein, we report the first application of CRISPR/Cas9-mediated homology direct repair (HDR) to in situ restore LAMB3 expression in JEB keratinocytes in vitro and in immunodeficient mice transplanted with genetically corrected skin equivalents. We packaged an adenovector carrying Cas9/guide RNA (gRNA) tailored to the intron 2 of LAMB3 gene and an integration defective lentiviral vector bearing a promoterless quasi-complete LAMB3 cDNA downstream a splice acceptor site and flanked by homology arms. Upon genuine HDR, we exploited the in vitro adhesion advantage of laminin 332 production to positively select LAMB3-expressing keratinocytes. HDR and restored laminin 332 expression were evaluated at single-cell level. Notably, monoallelic-targeted integration of LAMB3 cDNA was sufficient to in vitro recapitulate the adhesive property, the colony formation typical of normal keratinocytes, as well as their cell growth. Grafting of genetically corrected skin equivalents onto immunodeficient mice showed a completely restored dermal-epidermal junction. This study provides evidence for efficient CRISPR/Cas9-mediated in situ restoration of LAMB3 expression, paving the way for ex vivo clinical application of this strategy to laminin 332 deficiency.
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Affiliation(s)
- Daniela Benati
- Centre for Regenerative Medicine, Department of Life Sciences, University of Modena and Reggio Emilia, Modena, Italy
| | - Francesca Miselli
- Centre for Regenerative Medicine, Department of Life Sciences, University of Modena and Reggio Emilia, Modena, Italy
| | - Fabienne Cocchiarella
- Centre for Regenerative Medicine, Department of Life Sciences, University of Modena and Reggio Emilia, Modena, Italy
| | - Clarissa Patrizi
- Centre for Regenerative Medicine, Department of Life Sciences, University of Modena and Reggio Emilia, Modena, Italy
| | - Marta Carretero
- Epithelial Biomedicine Division, CIEMAT-CIBERER (Centre for Biomedical Research on Rare Diseases), Madrid, Spain; Department of Bioengineering, Universidad Carlos III de Madrid, Madrid, Spain; Instituto de Investigación Sanitaria de la Fundación Jiménez Díaz, Madrid, Spain
| | - Samantha Baldassarri
- Centre for Regenerative Medicine, Department of Life Sciences, University of Modena and Reggio Emilia, Modena, Italy
| | | | - Cristina Has
- Department of Dermatology and Venereology, Faculty of Medicine, University Medical Center Freiburg, Freiburg, Germany
| | | | - Marcela Del Rio
- Epithelial Biomedicine Division, CIEMAT-CIBERER (Centre for Biomedical Research on Rare Diseases), Madrid, Spain; Department of Bioengineering, Universidad Carlos III de Madrid, Madrid, Spain; Instituto de Investigación Sanitaria de la Fundación Jiménez Díaz, Madrid, Spain
| | - Fernando Larcher
- Epithelial Biomedicine Division, CIEMAT-CIBERER (Centre for Biomedical Research on Rare Diseases), Madrid, Spain; Department of Bioengineering, Universidad Carlos III de Madrid, Madrid, Spain; Instituto de Investigación Sanitaria de la Fundación Jiménez Díaz, Madrid, Spain
| | - Alessandra Recchia
- Centre for Regenerative Medicine, Department of Life Sciences, University of Modena and Reggio Emilia, Modena, Italy.
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Marinkovich MP. A new deletion mutation sheds light on laminin-332 biology. Br J Dermatol 2018; 178:1245. [PMID: 29897122 DOI: 10.1111/bjd.16595] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- M P Marinkovich
- Department of Dermatology, Program in Epithelial Biology, Stanford University School of Medicine, Center for Clinical Sciences Research, Room 2145a, 269 Campus Drive, Stanford, CA, 94305, U.S.A
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