1
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Çetinarslan T, Yazıcı H, Erdoğan KM, Kalkan Uçar S, Dalgıç G, Kaya G, Er E, Bilaç C, Temiz P, Türel Ermertcan A, Fölster-Holst R. Four cases of Chanarin-Dorfman syndrome presenting with different types of erythrokeratoderma. Pediatr Dermatol 2024. [PMID: 38886172 DOI: 10.1111/pde.15654] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/06/2024] [Accepted: 05/05/2024] [Indexed: 06/20/2024]
Abstract
Chanarin-Dorfman syndrome (CDS) is a multisystem autosomal recessive disorder due to variants of the ABHD5 gene, characterized by lipid vacuoles in the liver and leukocytes, and possible involvement of eyes, ears, skeletal muscle, and central nervous system. CDS may present with skin changes, most commonly congenital non- bullous ichthyosiform erythroderma, however erythrokeratoderma-like findings have been rarely reported in CDS patients. Herein, we report clinical, histopathological and genetic findings of four patients with CDS presenting with different clinical forms of erythrokeratoderma (three with progressive symmetric erythrokeratoderma-like features and one with erythrokeratoderma variabilis (EKV)-like features), including one patient with a novel mutation in ABHD5. Although the typical skin finding of CDS syndrome is reported as non-bullous congenital ichthyosiform erythroderma, CDS should also be in the differential diagnosis in patients with EKV-like lesions.
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Affiliation(s)
- Tubanur Çetinarslan
- Department of Dermatology and Venereology, Manisa Celal Bayar University, Manisa, Turkey
| | - Havva Yazıcı
- Department of Pediatrics, Division of Metabolism and Nutrition, Ege University, İzmir, Turkey
| | - Kadri Murat Erdoğan
- Genetic Diagnosis Center, Tepecik Training and Research Hospital, University of Health Sciences, İzmir, Turkey
| | - Sema Kalkan Uçar
- Department of Pediatrics, Division of Metabolism and Nutrition, Ege University, İzmir, Turkey
| | - Göksu Dalgıç
- Department of Dermatology and Venereology, Manisa Celal Bayar University, Manisa, Turkey
| | - Gizem Kaya
- Department of Dermatology and Venereology, Manisa Celal Bayar University, Manisa, Turkey
| | - Esra Er
- Department of Pediatrics, Division of Metabolism and Nutrition, Dr. Behçet Uz Pediatric Diseases and Surgery Training and Research Hospital, İzmir, Turkey
| | - Cemal Bilaç
- Department of Dermatology and Venereology, Manisa Celal Bayar University, Manisa, Turkey
| | - Peyker Temiz
- Pathology, Manisa Celal Bayar University, Manisa, Turkey
| | - Aylin Türel Ermertcan
- Department of Dermatology and Venereology, Manisa Celal Bayar University, Manisa, Turkey
| | - Regina Fölster-Holst
- Department of Dermatology-Venereology and Allergology, Universitätsklinikum Schleswig-Holstein, Kiel, Germany
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2
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Zoullas S, Morel D, Zafeer F, Borjas-Mendoza P, Angeli S, Zhou Y, Bademci G, Tekin M. Two novel heterozygous exonic deletions lead to Chanarin-Dorfman syndrome in a patient with congenital ichthyosis, sensorineural hearing loss, and liver dysfunction. Am J Med Genet A 2024; 194:e63481. [PMID: 37984424 DOI: 10.1002/ajmg.a.63481] [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: 08/18/2023] [Revised: 11/07/2023] [Accepted: 11/10/2023] [Indexed: 11/22/2023]
Abstract
Chanarin-Dorfman syndrome is an autosomal recessively inherited disorder characterized by ichthyosis, sensorineural hearing loss, and hepatic dysfunction. We report on a 60-year-old female of Venezuelan descent who presented with congenital ichthyosis, progressive sensorineural hearing loss, and liver cirrhosis. We identify a heterozygous copy number deletion involving exon 1 and another heterozygous deletion involving exon 3 of the ABHD5 gene. Exon 2 is preserved. Both deletions were confirmed with RT-PCR. RNAseq from peripheral blood shows a reduction of ABHD5 expression overall and an absence of exon 3 expression, confirming the deleterious effects of the identified deletions. We present exonic deletions as a potentially common type of ABHD5 variation.
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Affiliation(s)
- Sofia Zoullas
- Dr. John T. Macdonald Foundation, Department of Human Genetics, Miller School of Medicine, University of Miami, Miami, Florida, USA
| | - Dayna Morel
- Dr. John T. Macdonald Foundation, Department of Human Genetics, Miller School of Medicine, University of Miami, Miami, Florida, USA
| | - Faraz Zafeer
- Dr. John T. Macdonald Foundation, Department of Human Genetics, Miller School of Medicine, University of Miami, Miami, Florida, USA
| | - Paulo Borjas-Mendoza
- Dr. John T. Macdonald Foundation, Department of Human Genetics, Miller School of Medicine, University of Miami, Miami, Florida, USA
| | - Simon Angeli
- Department of Otolaryngology, University of Miami, Miami, Florida, USA
| | - Yi Zhou
- Department of Pathology, University of Miami, Miami, Florida, USA
| | - Guney Bademci
- Dr. John T. Macdonald Foundation, Department of Human Genetics, Miller School of Medicine, University of Miami, Miami, Florida, USA
| | - Mustafa Tekin
- Dr. John T. Macdonald Foundation, Department of Human Genetics, Miller School of Medicine, University of Miami, Miami, Florida, USA
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3
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Mangukiya NP, Kaleem S, Meghana DR, Ishfaq L, Kochhar G, Mathew B, Pulekar S, Lainingwala AC, Parmar MP, Venugopal V. Chanarin-Dorfman Syndrome (CDS): A Rare Lipid Metabolism Disorder. Cureus 2023; 15:e43889. [PMID: 37746493 PMCID: PMC10515467 DOI: 10.7759/cureus.43889] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2023] [Accepted: 08/21/2023] [Indexed: 09/26/2023] Open
Abstract
Chanarin-Dorfman syndrome (CDS) is a rare medical condition that is inherited in an autosomal recessive pattern. In CDS, a comparative gene identification-58 gene mutation causes the accumulation of triglycerides in neutrophils, which can be observed as vacuoles on a peripheral smear. CDS patients present with a characteristic dermatological finding, ichthyosis, which is a non-bullous white scaling of the skin. Here, we describe a case report of a one-year-old boy who presented to the pediatric outpatient department (OPD) with chief complaints of peeling of the skin and ballooning of the abdomen since birth. Our patient had achieved all the developmental milestones pertaining to his age. Genetic testing was positive for heterozygous alleles in both parents.
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Affiliation(s)
- Nisarg P Mangukiya
- Internal Medicine, Gujarat Medical Education & Research Society Medical College, Vadnagar, IND
| | - Safa Kaleem
- Internal Medicine, Shadan Institute of Medical Sciences, Hyderabad, IND
- Internal Medicine, Gujarat Medical Education & Research Society Medical College, Vadnagar, IND
| | - D Ragasri Meghana
- Internal Medicine, Kakatiya Medical College, Warangal, IND
- Internal Medicine, Gujarat Medical Education & Research Society Medical College, Vadnagar, IND
| | - Lyluma Ishfaq
- Internal Medicine, Directorate of Health Services Kashmir, Srinagar, IND
- Internal Medicine, Gujarat Medical Education & Research Society Medical College, Vadnagar, IND
| | - Gunjan Kochhar
- Internal Medicine, Punjab Institute of Medical Sciences, Jalandhar, IND
- Internal Medicine, Gujarat Medical Education & Research Society Medical College, Vadnagar, IND
| | - Bejoi Mathew
- Internal Medicine, Sri Devaraj Urs Medical College, Kolar, IND
- Internal Medicine, Gujarat Medical Education & Research Society Medical College, Vadnagar, IND
| | - Shivani Pulekar
- Internal Medicine, Davao Medical School Foundation, Davao, PHL
- Internal Medicine, Gujarat Medical Education & Research Society Medical College, Vadnagar, IND
| | - Aashka C Lainingwala
- Internal Medicine, Gujarat Medical Education & Research Society Medical College, Vadnagar, IND
| | - Mihirkumar P Parmar
- Internal Medicine, Gujarat Medical Education & Research Society Medical College, Vadnagar, IND
| | - Vishal Venugopal
- Internal Medicine, Bhaarath Medical College & Hospital, Chennai, IND
- Internal Medicine, Gujarat Medical Education & Research Society Medical College, Vadnagar, IND
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4
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Demir FT, Cayhan B, Karaoglan C, Turkoglu Z, Buyukbabani N, Ayer M, Duz B, Uyanık B. Could "Islets of Sparing" Be a Clue for Neutral Lipid Storage Disease with Ichthyosis in Patients with Congenital Ichthyosiform Erythroderma? Indian J Dermatol 2022; 67:579-582. [PMID: 36865854 PMCID: PMC9971783 DOI: 10.4103/ijd.ijd_1154_20] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/04/2023] Open
Abstract
The prevalent form of ichthyosis in neutral lipid storage disease (NLSDI) is nonbullous congenital ichthyosiform erythroderma (CIE) characterized by fine, whitish scales on erythematous skin over the whole body. Here, we report a late-diagnosed, 25-year-old woman with NLSDI presenting with diffuse erythema and fine whitish scales throughout the body with patches of apparently normal skin, "islets of sparing" on her lower extremities. We observed that the size of the normal skin islets changed with time, and even the entire lower extremity was covered with erythema and desquamation like the rest of the body. Frozen section histopathological examinations were made from lesional skin and normal-looking skin; no difference was observed in terms of lipid accumulation. The only noticeable difference was the thickness of the keratin layer. In CIE patients, observation of patches of apparently normal skin or "islets of sparing" might be a clue for NLSDI to be distinguished from other CIE conditions.
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Affiliation(s)
- Filiz Topaloglu Demir
- From the Medipol University, Faculty of Medicine, Dermatology Clinic, Istanbul, Turkey
| | - Baran Cayhan
- Basaksehir Cam and Sakura City Hospital, Dermatology Clinic, Istanbul, Turkey
| | - Cagla Karaoglan
- Bakırköy Dr. Sadi Konuk Education and Research Hospital, Pathology Clinic, Istanbul, Turkey
| | - Zafer Turkoglu
- Basaksehir Cam and Sakura City Hospital, Dermatology Clinic, Istanbul, Turkey
| | - Nesimi Buyukbabani
- Istanbul University, Faculty of Medicine, Pathology Clinic, Istanbul, Turkey
| | - Mesut Ayer
- Basaksehir Cam and Sakura City Hospital, Hematology Clinic, Istanbul, Turkey
| | - Bugrahan Duz
- Haseki Education and Research Hospital, Medical Genetics Clinic, Istanbul, Turkey
| | - Bulent Uyanık
- Bezmialem Vakıf University, Faculty of Medicine, Medical Genetics Clinic, Istanbul, Turkey
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5
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Inheritance of Monogenic Hereditary Skin Disease and Related Canine Breeds. Vet Sci 2022; 9:vetsci9080433. [PMID: 36006348 PMCID: PMC9412528 DOI: 10.3390/vetsci9080433] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2022] [Revised: 07/20/2022] [Accepted: 08/12/2022] [Indexed: 11/17/2022] Open
Abstract
The plasticity of the genome is an evolutionary factor in all animal species, including canines, but it can also be the origin of diseases caused by hereditary genetic mutation. Genetic changes, or mutations, that give rise to a pathology in most cases result from recessive alleles that are normally found with minority allelic frequency. The use of genetic improvement increases the consanguinity within canine breeds and, on many occasions, also increases the frequency of these recessive alleles, increasing the prevalence of these pathologies. This prevalence has been known for a long time, but mutations differ according to the canine breed. These genetic diseases, including skin diseases, or genodermatosis, which is narrowly defined as monogenic hereditary dermatosis. In this review, we focus on genodermatosis sensu estricto, i.e., monogenic, and hereditary dermatosis, in addition to the clinical features, diagnosis, pathogeny, and treatment. Specifically, this review analyzes epidermolytic and non-epidermolytic ichthyosis, junctional epidermolysis bullosa, nasal parakeratosis, mucinosis, dermoid sinus, among others, in canine breeds, such as Golden Retriever, German Pointer, Australian Shepherd, American Bulldog, Great Dane, Jack Russell Terrier, Labrador Retriever, Shar-Pei, and Rhodesian Ridgeback.
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AlNeyadi R, Abdelhadi S, Ruszczak Z. Chanarin-Dorfman syndrome treatment with acitretin. JAAD Case Rep 2022; 24:11-13. [PMID: 35518273 PMCID: PMC9062725 DOI: 10.1016/j.jdcr.2022.03.016] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
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7
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Liang B, Huang H, Zhang J, Chen G, Kong X, Zhu M, Wang P, Tang L. Case Report: Chanarin-Dorfman Syndrome: A Novel Homozygous Mutation in ABHD5 Gene in a Chinese Case and Genotype-Phenotype Correlation Analysis. Front Genet 2022; 13:847321. [PMID: 35419035 PMCID: PMC8996135 DOI: 10.3389/fgene.2022.847321] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2022] [Accepted: 03/07/2022] [Indexed: 11/13/2022] Open
Abstract
The Chanarin-Dorfman syndrome (CDS) is a rare, autosomal recessively inherited genetic disease, whch is associated with a decrease in the lipolysis activity in multiple tissue cells. The clinical phenotype involves multiple organs and systems, including liver, eyes, ears, skeletal muscle and central nervous system. Mutations in ABHD5/CGI58 gene have been confirmed to be associated with CDS. We performed whole exome sequencing on a Chinese CDS patient with skin ichthyosis features mimicking lamellar ichthyosis, ectropion, sensorineural hearing loss, and lipid storage in peripheral blood neutrophils. A novel homozygous missense mutation (p.L154R) in ABHD5 gene was detected in this patient. Genotype-phenotype analysis in reported CDS patients revealed no particular correlation. Our findings further enrich the reservoir of ABHD5 mutations in CDS.
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Affiliation(s)
- Bo Liang
- Department of Dermatology and Venereology, The First Affiliated Hospital, Anhui Medical University, Hefei, China.,Department of Clinical Laboratory, The First Affiliated Hospital, Anhui Medical University, Hefei, China.,Institute of Dermatology, Anhui Medical University, Hefei, China.,Key Laboratory of Dermatology (Anhui Medical University), Ministry of Education, Hefei, China.,State Key Laboratory Incubation Base of Dermatology, Anhui Medical University, Hefei, China.,Inflammation and Immune Mediated Diseases Laboratory of Anhui Province, Hefei, China
| | - He Huang
- Department of Dermatology and Venereology, The First Affiliated Hospital, Anhui Medical University, Hefei, China.,Institute of Dermatology, Anhui Medical University, Hefei, China.,Key Laboratory of Dermatology (Anhui Medical University), Ministry of Education, Hefei, China.,State Key Laboratory Incubation Base of Dermatology, Anhui Medical University, Hefei, China.,Inflammation and Immune Mediated Diseases Laboratory of Anhui Province, Hefei, China
| | - Jiaxiang Zhang
- Department of Occupational Health and Environment Health, School of Public Health, Anhui Medical University, Hefei, China
| | - Gang Chen
- Department of Dermatology and Venereology, The First Affiliated Hospital, Anhui Medical University, Hefei, China.,Institute of Dermatology, Anhui Medical University, Hefei, China.,Key Laboratory of Dermatology (Anhui Medical University), Ministry of Education, Hefei, China.,State Key Laboratory Incubation Base of Dermatology, Anhui Medical University, Hefei, China.,Inflammation and Immune Mediated Diseases Laboratory of Anhui Province, Hefei, China
| | | | - Mengting Zhu
- Department of Clinical Medical, the First Clinical Medical College, Anhui Medical University, Hefei, China
| | - Peiguang Wang
- Department of Dermatology and Venereology, The First Affiliated Hospital, Anhui Medical University, Hefei, China.,Institute of Dermatology, Anhui Medical University, Hefei, China.,Key Laboratory of Dermatology (Anhui Medical University), Ministry of Education, Hefei, China.,State Key Laboratory Incubation Base of Dermatology, Anhui Medical University, Hefei, China.,Inflammation and Immune Mediated Diseases Laboratory of Anhui Province, Hefei, China
| | - Lili Tang
- Department of Dermatology and Venereology, The First Affiliated Hospital, Anhui Medical University, Hefei, China.,Institute of Dermatology, Anhui Medical University, Hefei, China.,Key Laboratory of Dermatology (Anhui Medical University), Ministry of Education, Hefei, China.,State Key Laboratory Incubation Base of Dermatology, Anhui Medical University, Hefei, China.,Inflammation and Immune Mediated Diseases Laboratory of Anhui Province, Hefei, China
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8
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Tseng YY, Sanders MA, Zhang H, Zhou L, Chou CY, Granneman JG. Structural and functional insights into ABHD5, a ligand-regulated lipase co-activator. Sci Rep 2022; 12:2565. [PMID: 35173175 PMCID: PMC8850477 DOI: 10.1038/s41598-021-04179-7] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2021] [Accepted: 12/09/2021] [Indexed: 02/06/2023] Open
Abstract
Alpha/beta hydrolase domain-containing protein 5 (ABHD5) is a highly conserved protein that regulates various lipid metabolic pathways via interactions with members of the perilipin (PLIN) and Patatin-like phospholipase domain-containing protein (PNPLA) protein families. Loss of function mutations in ABHD5 result in Chanarin-Dorfman Syndrome (CDS), characterized by ectopic lipid accumulation in numerous cell types and severe ichthyosis. Recent data demonstrates that ABHD5 is the target of synthetic and endogenous ligands that might be therapeutic beneficial for treating metabolic diseases and cancers. However, the structural basis of ABHD5 functional activities, such as protein-protein interactions and ligand binding is presently unknown. To address this gap, we constructed theoretical structural models of ABHD5 by comparative modeling and topological shape analysis to assess the spatial patterns of ABHD5 conformations computed in protein dynamics. We identified functionally important residues on ABHD5 surface for lipolysis activation by PNPLA2, lipid droplet targeting and PLIN-binding. We validated the computational model by examining the effects of mutating key residues in ABHD5 on an array of functional assays. Our integrated computational and experimental findings provide new insights into the structural basis of the diverse functions of ABHD5 as well as pathological mutations that result in CDS.
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Affiliation(s)
- Yan Yuan Tseng
- Center for Molecular Medicine and Genetics, Wayne State University School of Medicine, Detroit, MI, 48201, USA.
- Karmanos Cancer Institute, Wayne State University School of Medicine, 4100 John R, Detroit, MI, 48201, USA.
| | - Matthew A Sanders
- Center for Molecular Medicine and Genetics, Wayne State University School of Medicine, Detroit, MI, 48201, USA
- Center for Integrative Metabolic and Endocrine Research, Wayne State University School of Medicine, Detroit, MI, 48201, USA
| | - Huamei Zhang
- Center for Molecular Medicine and Genetics, Wayne State University School of Medicine, Detroit, MI, 48201, USA
- Center for Integrative Metabolic and Endocrine Research, Wayne State University School of Medicine, Detroit, MI, 48201, USA
| | - Li Zhou
- Center for Molecular Medicine and Genetics, Wayne State University School of Medicine, Detroit, MI, 48201, USA
- Center for Integrative Metabolic and Endocrine Research, Wayne State University School of Medicine, Detroit, MI, 48201, USA
| | - Chia-Yi Chou
- Center for Molecular Medicine and Genetics, Wayne State University School of Medicine, Detroit, MI, 48201, USA
| | - James G Granneman
- Center for Molecular Medicine and Genetics, Wayne State University School of Medicine, Detroit, MI, 48201, USA.
- Center for Integrative Metabolic and Endocrine Research, Wayne State University School of Medicine, Detroit, MI, 48201, USA.
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9
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Kiener S, Wiener DJ, Hopke K, Diesel AB, Jagannathan V, Mauldin EA, Casal ML, Leeb T. ABHD5 frameshift deletion in Golden Retrievers with ichthyosis. G3 (BETHESDA, MD.) 2022; 12:6428539. [PMID: 34791225 PMCID: PMC9210301 DOI: 10.1093/g3journal/jkab397] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/24/2021] [Accepted: 11/05/2021] [Indexed: 11/16/2022]
Abstract
Ichthyoses are hereditary skin disorders characterized by the formation of scales and defects in the outermost layer of the epidermis. In dogs, at least six different breed-specific ichthyoses including a relatively common PNPLA1-related autosomal recessive ichthyosis in Golden Retrievers are known. In this study, we investigated 14 Golden Retrievers with scales that were not homozygous for the mutant PNPLA1 allele suggesting a genetically distinct new form of ichthyosis. Histopathological examinations showed lamellar, orthokeratotic hyperkeratosis, and mildly hyperplastic epidermis that led to the diagnosis of a nonepidermolytic ichthyosis. Combined linkage and homozygosity mapping in 14 cases and 30 nonaffected family members delimited a critical interval of ∼12.7 Mb on chromosome 23. Whole-genome sequencing of an affected dog revealed a single protein-changing variant within this region that was not present in 795 control genomes. The identified variant is a 14 bp deletion in the ABHD5 gene (c.1006_1019del), leading to a frameshift and altering the last 14 codons p.(Asp336Serfs*6). The genotypes at this variant showed perfect cosegregation with the ichthyosis phenotype in a large family comprising 14 cases and 72 controls. ABHD5 encodes an acyltransferase required for lipid metabolism. In humans, variants in ABHD5 cause Chanarin-Dorfman syndrome, a neutral lipid storage disease with ichthyosis. Our data in dogs together with the knowledge on the effects of ABHD5 variants in humans strongly suggest ABHD5:c.1006_1019del as candidate causative genetic variant for a new canine form of ichthyosis, which we propose to designate as Golden Retriever ichthyosis type 2 (ICH2).
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Affiliation(s)
- Sarah Kiener
- Institute of Genetics, Vetsuisse Faculty, University of Bern, 3001 Bern, Switzerland
- Dermfocus, University of Bern, Bern 3001, Switzerland
| | - Dominique J Wiener
- Department of Veterinary Pathobiology, Texas A&M University, College of Veterinary Medicine and Biomedical Sciences, College Station, TX 77843-4467, USA
| | - Kaitlin Hopke
- Department of Small Animal Clinical Sciences, Texas A&M University, College of Veterinary Medicine and Biomedical Sciences, College Station, TX 77843-4474, USA
| | - Alison B Diesel
- Department of Small Animal Clinical Sciences, Texas A&M University, College of Veterinary Medicine and Biomedical Sciences, College Station, TX 77843-4474, USA
| | - Vidhya Jagannathan
- Institute of Genetics, Vetsuisse Faculty, University of Bern, 3001 Bern, Switzerland
| | - Elizabeth A Mauldin
- Department of Clinical Sciences and Advanced Medicine, School of Veterinary Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Margret L Casal
- Department of Clinical Sciences and Advanced Medicine, School of Veterinary Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Tosso Leeb
- Corresponding author: Institute of Genetics, University of Bern, Bremgartenstrasse 109a, 3001 Bern, Switzerland.
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10
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Tavian D, Durdu M, Angelini C, Torre E, Missaglia S. Recurrent N209* ABHD5 mutation in two unreported families with Chanarin Dorfman Syndrome. Eur J Transl Myol 2021; 31. [PMID: 33985321 PMCID: PMC8274219 DOI: 10.4081/ejtm.2021.9796] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2021] [Accepted: 04/30/2021] [Indexed: 12/29/2022] Open
Abstract
ABHD5 protein is widely involved in lipid and energy homeostasis. Mutations in the ABHD5 gene are associated with the onset of Neutral Lipid Storage Disease with Ichthyosis (NLSDI), historically known as Chanarin Dorfman Syndrome (CDS). CDS is a rare autosomal recessive lipid storage disease, characterized by non-bullous congenital ichthyosiform eritrhoderma (NCIE), hepatomegaly and liver steatosis. Myopathy, neurosensory hearing loss, cataracts, nystagmus, strabismus, and mental impairment are considered additional findings. To date, 151 CDS patients have been reported all over the world. Here we described two additional families with patients affected by CDS from Turkey. Our patients were a 42 and 22-years old men, admitted to the Hospital for congenital ichthyosis. Hepatic steatosis and myopathy were also detected in both patients. ABHD5 molecular analysis revealed the presence of N209* mutation. Our data enlarge the cohort of CDS patients and provide a revision of muscle clinical findings for this rare inborn error of neutral lipid metabolism.
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Affiliation(s)
- Daniela Tavian
- Laboratory of Cellular Biochemistry and Molecular Biology, CRIBENS, Università Cattolica del Sacro Cuore, Milan, Italy; Department of Psychology, Università Cattolica del Sacro Cuore, Milan.
| | - Murat Durdu
- Baskent University Faculty of Medicine, Department of Dermatology, Adana Hospital, Adana.
| | - Corrado Angelini
- Neuromuscular Laboratory, Department of Neurosciences, University of Padova, Campus Biomedico Pietro d'Abano, Padua.
| | - Enza Torre
- Laboratory of Cellular Biochemistry and Molecular Biology, CRIBENS, Università Cattolica del Sacro Cuore, Milan, Italy; Department of Psychology, Università Cattolica del Sacro Cuore, Milan.
| | - Sara Missaglia
- Laboratory of Cellular Biochemistry and Molecular Biology, CRIBENS, Università Cattolica del Sacro Cuore, Milan, Italy; Department of Psychology, Università Cattolica del Sacro Cuore, Milan.
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11
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Carraro U, Yablonka-Reuveni Z. Translational research on Myology and Mobility Medicine: 2021 semi-virtual PDM3 from Thermae of Euganean Hills, May 26 - 29, 2021. Eur J Transl Myol 2021; 31:9743. [PMID: 33733717 PMCID: PMC8056169 DOI: 10.4081/ejtm.2021.9743] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2021] [Accepted: 03/17/2021] [Indexed: 02/08/2023] Open
Abstract
On 19-21 November 2020, the meeting of the 30 years of the Padova Muscle Days was virtually held while the SARS-CoV-2 epidemic was hitting the world after a seemingly quiet summer. During the 2020-2021 winter, the epidemic is still active, despite the start of vaccinations. The organizers hope to hold the 2021 Padua Days on Myology and Mobility Medicine in a semi-virtual form (2021 S-V PDM3) from May 26 to May 29 at the Thermae of Euganean Hills, Padova, Italy. Here the program and the Collection of Abstracts are presented. Despite numerous world problems, the number of submitted/selected presentations (lectures and oral presentations) has increased, prompting the organizers to extend the program to four dense days.
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Affiliation(s)
- Ugo Carraro
- Department of Biomedical Sciences of the University of Padova, Italy; CIR-Myo - Myology Centre, University of Padova, Italy; A-C Mioni-Carraro Foundation for Translational Myology, Padova.
| | - Zipora Yablonka-Reuveni
- Department of Biological Structure, University of Washington School of Medicine, Seattle, WA.
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12
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Akyay A, Demir Şahin F, Şen A. Vacuolated Leukocytes in the Peripheral Blood Smear of a Child with Chanarin-Dorfman Syndrome. Turk J Haematol 2020; 37:299-300. [PMID: 32517421 PMCID: PMC7702657 DOI: 10.4274/tjh.galenos.2020.2020.0242] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022] Open
Affiliation(s)
- Arzu Akyay
- İnönü University Faculty of Medicine, Department of Pediatric Hematology and Oncology, Malatya, Turkey
| | - Filiz Demir Şahin
- İnönü University Faculty of Medicine, Department of Pediatrics, Malatya, Turkey
| | - Aşkın Şen
- Fırat University Faculty of Medicine, Department of Medical Genetics, Elazığ, Turkey
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Yu L, Li Y, Grisé A, Wang H. CGI-58: Versatile Regulator of Intracellular Lipid Droplet Homeostasis. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2020; 1276:197-222. [PMID: 32705602 PMCID: PMC8063591 DOI: 10.1007/978-981-15-6082-8_13] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Comparative gene identification-58 (CGI-58), also known as α/β-hydrolase domain-containing 5 (ABHD5), is a member of a large family of proteins containing an α/β-hydrolase-fold. CGI-58 is well-known as the co-activator of adipose triglyceride lipase (ATGL), which is a key enzyme initiating cytosolic lipid droplet lipolysis. Mutations in either the human CGI-58 or ATGL gene cause an autosomal recessive neutral lipid storage disease, characterized by the excessive accumulation of triglyceride (TAG)-rich lipid droplets in the cytoplasm of almost all cell types. CGI-58, however, has ATGL-independent functions. Distinct phenotypes associated with CGI-58 deficiency commonly include ichthyosis (scaly dry skin), nonalcoholic steatohepatitis, and hepatic fibrosis. Through regulated interactions with multiple protein families, CGI-58 controls many metabolic and signaling pathways, such as lipid and glucose metabolism, energy balance, insulin signaling, inflammatory responses, and thermogenesis. Recent studies have shown that CGI-58 regulates the pathogenesis of common metabolic diseases in a tissue-specific manner. Future studies are needed to molecularly define ATGL-independent functions of CGI-58, including the newly identified serine protease activity of CGI-58. Elucidation of these versatile functions of CGI-58 may uncover fundamental cellular processes governing lipid and energy homeostasis, which may help develop novel approaches that counter against obesity and its associated metabolic sequelae.
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Affiliation(s)
- Liqing Yu
- Division of Endocrinology, Diabetes and Nutrition, Department of Medicine, University of Maryland School of Medicine, Baltimore, MD, USA.
| | - Yi Li
- Division of Endocrinology, Diabetes and Nutrition, Department of Medicine, University of Maryland School of Medicine, Baltimore, MD, USA
| | - Alison Grisé
- College of Computer, Math, and Natural Sciences, College of Behavioral and Social Sciences, University of Maryland, College Park, MD, USA
| | - Huan Wang
- Division of Endocrinology, Diabetes and Nutrition, Department of Medicine, University of Maryland School of Medicine, Baltimore, MD, USA
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