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Nawaz K, Alifah N, Hussain T, Hameed H, Ali H, Hamayun S, Mir A, Wahab A, Naeem M, Zakria M, Pakki E, Hasan N. From genes to therapy: A comprehensive exploration of congenital heart disease through the lens of genetics and emerging technologies. Curr Probl Cardiol 2024; 49:102726. [PMID: 38944223 DOI: 10.1016/j.cpcardiol.2024.102726] [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: 06/20/2024] [Accepted: 06/26/2024] [Indexed: 07/01/2024]
Abstract
Congenital heart disease (CHD) affects approximately 1 % of live births worldwide, making it the most common congenital anomaly in newborns. Recent advancements in genetics and genomics have significantly deepened our understanding of the genetics of CHDs. While the majority of CHD etiology remains unclear, evidence consistently indicates that genetics play a significant role in its development. CHD etiology holds promise for enhancing diagnosis and developing novel therapies to improve patient outcomes. In this review, we explore the contributions of both monogenic and polygenic factors of CHDs and highlight the transformative impact of emerging technologies on these fields. We also summarized the state-of-the-art techniques, including targeted next-generation sequencing (NGS), whole genome and whole exome sequencing (WGS, WES), single-cell RNA sequencing (scRNA-seq), human induced pluripotent stem cells (hiPSCs) and others, that have revolutionized our understanding of cardiovascular disease genetics both from diagnosis perspective and from disease mechanism perspective in children and young adults. These molecular diagnostic techniques have identified new genes and chromosomal regions involved in syndromic and non-syndromic CHD, enabling a more defined explanation of the underlying pathogenetic mechanisms. As our knowledge and technologies continue to evolve, they promise to enhance clinical outcomes and reduce the CHD burden worldwide.
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Affiliation(s)
- Khalid Nawaz
- Department of Medical Laboratory Technology, Khyber Medical University, Peshawar, 25100, Khyber Pakhtunkhwa, Pakistan
| | - Nur Alifah
- Faculty of Pharmacy, Universitas Hasanuddin, Jl. Perintis Kemerdekaan Km 10, Makassar, 90245, Republic of Indonesia
| | - Talib Hussain
- Women Dental College, Khyber Medical University, Abbottabad, 22080, Khyber Pakhtunkhwa, Pakistan
| | - Hamza Hameed
- Department of Cardiology, Pakistan Institute of Medical Sciences (PIMS), Islamabad, 04485, Punjab, Pakistan
| | - Haider Ali
- Department of Pharmacy, Kohat University of Science and Technology, Kohat, 26000, Khyber Pakhtunkhwa, Pakistan
| | - Shah Hamayun
- Department of Cardiology, Pakistan Institute of Medical Sciences (PIMS), Islamabad, 04485, Punjab, Pakistan
| | - Awal Mir
- Department of Medical Laboratory Technology, Khyber Medical University, Peshawar, 25100, Khyber Pakhtunkhwa, Pakistan
| | - Abdul Wahab
- Department of Pharmacy, Kohat University of Science and Technology, Kohat, 26000, Khyber Pakhtunkhwa, Pakistan
| | - Muhammad Naeem
- Department of Biological Sciences, National University of Medical Sciences (NUMS), Rawalpindi, Punjab, Pakistan
| | - Mohammad Zakria
- Advanced Center for Genomic Technologies, Khyber Medical University, Peshawar, 25100, Khyber Pakhtunkhwa, Pakistan
| | - Ermina Pakki
- Faculty of Pharmacy, Universitas Hasanuddin, Jl. Perintis Kemerdekaan Km 10, Makassar, 90245, Republic of Indonesia
| | - Nurhasni Hasan
- Faculty of Pharmacy, Universitas Hasanuddin, Jl. Perintis Kemerdekaan Km 10, Makassar, 90245, Republic of Indonesia.
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2
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Marneros AG. Aplasia Cutis Congenita Pathomechanisms Reveal Key Regulators of Skin and Skin Appendage Morphogenesis. J Invest Dermatol 2024:S0022-202X(24)01730-5. [PMID: 39023472 DOI: 10.1016/j.jid.2024.05.014] [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: 03/29/2024] [Revised: 05/03/2024] [Accepted: 05/18/2024] [Indexed: 07/20/2024]
Abstract
Aplasia cutis congenita (ACC) manifests at birth as a defect of the scalp skin. New findings answer 2 longstanding questions: why ACC forms and why it affects mainly the midline scalp skin. Dominant-negative mutations in the genes KCTD1 or KCTD15 cause ACC owing to loss of function of KCTD1/KCTD15 complexes in cranial neural crest cells (NCCs), which normally form midline cranial suture mesenchymal cells that express keratinocyte growth factors. Loss of KCTD1/KCTD15 function in NCCs impairs the formation of normal midline cranial sutures and, consequently, the overlying skin, resulting in ACC. Moreover, KCTD1/KCTD15 complexes in keratinocytes regulate skin appendage morphogenesis.
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Affiliation(s)
- Alexander G Marneros
- Cutaneous Biology Research Center, Department of Dermatology, Massachusetts General Hospital, Harvard Medical School, Charlestown, Massachusetts, USA.
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3
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She QY, Zhu HL, Liu ZR, Huang WN. Membranous aplasia cutis congenita: A rare case report highlighting clinical presentation, genetic insights, and the need for comprehensive evaluation. Heliyon 2024; 10:e33742. [PMID: 39027568 PMCID: PMC11255487 DOI: 10.1016/j.heliyon.2024.e33742] [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: 11/17/2023] [Revised: 05/25/2024] [Accepted: 06/26/2024] [Indexed: 07/20/2024] Open
Abstract
Introduction Membranous aplasia cutis congenita (MACC) is the most common clinical subtype of aplasia cutis congenita (ACC). It is typified by a localized skin lesion devoid of hair and features a membranous surface. While most MACC individuals do not present with concurrent abnormalities, it can sometimes co-occur with additional physical anomalies and various malformation syndromes. Moreover, the underlying causes of MACC remain elusive. Case presentation We describe a case of a 6-month-old female infant diagnosed with MACC. The patient presented with a midline skin lesion on the occipital scalp, characterized by a glistening surface and a hair collar sign. Dermoscopic examination revealed specific features, including translucency, telangiectasia, and hypertrichosis. The infant had a history of patent foramen ovale, and further examination uncovered an asymptomatic ventricular septal defect. Whole exome sequencing revealed 20 gene variants relevant to the clinical phenotype of the patient, suggesting a possible association with MACC. Conclusion MACC is a rare and underreported condition, primarily diagnosed based on its distinctive clinical features. It is imperative to emphasize the significance of thorough evaluations in MACC patients, encompassing developmental, cardiac, neurological, and genetic assessments to facilitate early detection and the exclusion of potentially life-threatening comorbidities. Importantly, genetic characterization, as demonstrated in this case, contributes to our understanding of MACC's etiology and highlights the need for further research in this field.
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Affiliation(s)
- Qiu-Yun She
- Department of Dermatology, the First Affiliated Hospital of Guangzhou Medical University, Guangzhou, PR China
| | - Hui-ling Zhu
- Department of Dermatology, the First Affiliated Hospital of Guangzhou Medical University, Guangzhou, PR China
| | - Zhong-Rong Liu
- Department of Dermatology, the First Affiliated Hospital of Guangzhou Medical University, Guangzhou, PR China
| | - Wei-Ning Huang
- Department of Dermatology, the First Affiliated Hospital of Guangzhou Medical University, Guangzhou, PR China
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4
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Stanley KJ, Kalbfleisch KJ, Moran OM, Chaturvedi RR, Roifman M, Chen X, Manshaei R, Martin N, McDermott S, McNiven V, Myles-Reid D, Nield LE, Reuter MS, Schwartz MLB, Shannon P, Silver R, Somerville C, Teitelbaum R, Zahavich L, Bassett AS, Kim RH, Mital S, Chitayat D, Jobling RK. Expanding the phenotypic spectrum of NOTCH1 variants: clinical manifestations in families with congenital heart disease. Eur J Hum Genet 2024; 32:795-803. [PMID: 38778082 PMCID: PMC11219983 DOI: 10.1038/s41431-024-01629-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2024] [Revised: 04/28/2024] [Accepted: 05/01/2024] [Indexed: 05/25/2024] Open
Abstract
Pathogenic variants in NOTCH1 are associated with non-syndromic congenital heart disease (CHD) and Adams-Oliver syndrome (AOS). The clinical presentation of individuals with damaging NOTCH1 variants is characterized by variable expressivity and incomplete penetrance; however, data on systematic phenotypic characterization are limited. We report the genotype and phenotype of a cohort of 33 individuals (20 females, 13 males; median age 23.4 years, range 2.5-68.3 years) from 11 families with causative NOTCH1 variants (9 inherited, 2 de novo; 9 novel), ascertained from a proband with CHD. We describe the cardiac and extracardiac anomalies identified in these 33 individuals, only four of whom met criteria for AOS. The most common CHD identified was tetralogy of Fallot, though various left- and right-sided lesions and septal defects were also present. Extracardiac anomalies identified include cutis aplasia (5/33), cutaneous vascular anomalies (7/33), vascular anomalies of the central nervous system (2/10), Poland anomaly (1/33), pulmonary hypertension (2/33), and structural brain anomalies (3/14). Identification of these findings in a cardiac proband cohort supports NOTCH1-associated CHD and NOTCH1-associated AOS lying on a phenotypic continuum. Our findings also support (1) Broad indications for NOTCH1 molecular testing (any familial CHD, simplex tetralogy of Fallot or hypoplastic left heart); (2) Cascade testing in all at-risk relatives; and (3) A thorough physical exam, in addition to cardiac, brain (structural and vascular), abdominal, and ophthalmologic imaging, in all gene-positive individuals. This information is important for guiding the medical management of these individuals, particularly given the high prevalence of NOTCH1 variants in the CHD population.
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Affiliation(s)
- Kaitlin J Stanley
- Ted Rogers Centre for Heart Research Cardiac Genome Clinic, The Hospital for Sick Children, Toronto, ON, Canada
| | - Kelsey J Kalbfleisch
- Ted Rogers Centre for Heart Research Cardiac Genome Clinic, The Hospital for Sick Children, Toronto, ON, Canada
- Division of Clinical and Metabolic Genetics, Department of Pediatrics, The Hospital for Sick Children, Toronto, ON, Canada
| | - Olivia M Moran
- Ted Rogers Centre for Heart Research Cardiac Genome Clinic, The Hospital for Sick Children, Toronto, ON, Canada
- Division of Clinical and Metabolic Genetics, Department of Pediatrics, The Hospital for Sick Children, Toronto, ON, Canada
| | - Rajiv R Chaturvedi
- Ted Rogers Centre for Heart Research Cardiac Genome Clinic, The Hospital for Sick Children, Toronto, ON, Canada
- Division of Cardiology, Department of Pediatrics, The Hospital for Sick Children, Toronto, ON, Canada
| | - Maian Roifman
- Division of Clinical and Metabolic Genetics, Department of Pediatrics, The Hospital for Sick Children, Toronto, ON, Canada
- The Prenatal Diagnosis and Medical Genetics Program, Department of Obstetrics and Gynecology, Mount Sinai Hospital, Toronto, ON, Canada
| | - Xin Chen
- Ted Rogers Centre for Heart Research Cardiac Genome Clinic, The Hospital for Sick Children, Toronto, ON, Canada
| | - Roozbeh Manshaei
- Ted Rogers Centre for Heart Research Cardiac Genome Clinic, The Hospital for Sick Children, Toronto, ON, Canada
| | - Nicole Martin
- The Prenatal Diagnosis and Medical Genetics Program, Department of Obstetrics and Gynecology, Mount Sinai Hospital, Toronto, ON, Canada
| | - Simina McDermott
- The Prenatal Diagnosis and Medical Genetics Program, Department of Obstetrics and Gynecology, Mount Sinai Hospital, Toronto, ON, Canada
| | - Vanda McNiven
- Division of Genetics, Department of Pediatrics, McMaster Children's Hospital, Hamilton, ON, Canada
| | - Diane Myles-Reid
- The Prenatal Diagnosis and Medical Genetics Program, Department of Obstetrics and Gynecology, Mount Sinai Hospital, Toronto, ON, Canada
| | - Lynne E Nield
- Division of Cardiology, Department of Pediatrics, The Hospital for Sick Children, Toronto, ON, Canada
| | - Miriam S Reuter
- The Centre for Applied Genomics, The Hospital for Sick Children, Toronto, ON, Canada
- Genetics and Genome Biology Program, The Hospital for Sick Children, Toronto, ON, Canada
| | - Marci L B Schwartz
- Ted Rogers Centre for Heart Research Cardiac Genome Clinic, The Hospital for Sick Children, Toronto, ON, Canada
- Division of Clinical and Metabolic Genetics, Department of Pediatrics, The Hospital for Sick Children, Toronto, ON, Canada
| | - Patrick Shannon
- Department of Pathology and Laboratory Medicine, Mount Sinai Hospital, Toronto, ON, Canada
| | - Rachel Silver
- The Prenatal Diagnosis and Medical Genetics Program, Department of Obstetrics and Gynecology, Mount Sinai Hospital, Toronto, ON, Canada
| | - Cherith Somerville
- Ted Rogers Centre for Heart Research Cardiac Genome Clinic, The Hospital for Sick Children, Toronto, ON, Canada
| | - Ronni Teitelbaum
- The Prenatal Diagnosis and Medical Genetics Program, Department of Obstetrics and Gynecology, Mount Sinai Hospital, Toronto, ON, Canada
| | - Laura Zahavich
- Division of Clinical and Metabolic Genetics, Department of Pediatrics, The Hospital for Sick Children, Toronto, ON, Canada
- Division of Cardiology, Department of Pediatrics, The Hospital for Sick Children, Toronto, ON, Canada
| | - Anne S Bassett
- Genetics and Genome Biology Program, The Hospital for Sick Children, Toronto, ON, Canada
- The Dalglish Family 22q Clinic, University Health Network, Toronto, ON, Canada
- Department of Psychiatry, University of Toronto, Toronto, ON, Canada
- Clinical Genetics Research Program and Campbell Family Mental Health Research Institute, Centre for Addiction and Mental Health, Toronto, ON, Canada
| | - Raymond H Kim
- Ted Rogers Centre for Heart Research Cardiac Genome Clinic, The Hospital for Sick Children, Toronto, ON, Canada
- Division of Clinical and Metabolic Genetics, Department of Pediatrics, The Hospital for Sick Children, Toronto, ON, Canada
- Fred A. Litwin Family Centre in Genetic Medicine, Department of Medicine, University Health Network, Toronto, ON, Canada
| | - Seema Mital
- Division of Cardiology, Department of Pediatrics, The Hospital for Sick Children, Toronto, ON, Canada
- Ted Rogers Centre for Heart Research, Toronto, ON, Canada
| | - David Chitayat
- Division of Clinical and Metabolic Genetics, Department of Pediatrics, The Hospital for Sick Children, Toronto, ON, Canada
- The Prenatal Diagnosis and Medical Genetics Program, Department of Obstetrics and Gynecology, Mount Sinai Hospital, Toronto, ON, Canada
| | - Rebekah K Jobling
- Ted Rogers Centre for Heart Research Cardiac Genome Clinic, The Hospital for Sick Children, Toronto, ON, Canada.
- Division of Clinical and Metabolic Genetics, Department of Pediatrics, The Hospital for Sick Children, Toronto, ON, Canada.
- Genome Diagnostics, Department of Pediatric Laboratory Medicine, The Hospital for Sick Children, Toronto, ON, Canada.
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5
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Sachan N, Sharma V, Mutsuddi M, Mukherjee A. Notch signalling: multifaceted role in development and disease. FEBS J 2024; 291:3030-3059. [PMID: 37166442 DOI: 10.1111/febs.16815] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2022] [Revised: 02/08/2023] [Accepted: 05/10/2023] [Indexed: 05/12/2023]
Abstract
Notch pathway is an evolutionarily conserved signalling system that operates to influence an astonishing array of cell fate decisions in different developmental contexts. Notch signalling plays important roles in many developmental processes, making it difficult to name a tissue or a developing organ that does not depend on Notch function at one stage or another. Thus, dysregulation of Notch signalling is associated with many developmental defects and various pathological conditions, including cancer. Although many recent advances have been made to reveal different aspects of the Notch signalling mechanism and its intricate regulation, there are still many unanswered questions related to how the Notch signalling pathway functions in so many developmental events. The same pathway can be deployed in numerous cellular contexts to play varied and critical roles in an organism's development and this is only possible because of the complex regulatory mechanisms of the pathway. In this review, we provide an overview of the mechanism and regulation of the Notch signalling pathway along with its multifaceted functions in different aspects of development and disease.
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Affiliation(s)
- Nalani Sachan
- Department of Molecular and Human Genetics, Institute of Science, Banaras Hindu University, Varanasi, India
- Department of Cell Biology, NYU Grossman School of Medicine, New York, NY, USA
| | - Vartika Sharma
- Department of Molecular and Human Genetics, Institute of Science, Banaras Hindu University, Varanasi, India
| | - Mousumi Mutsuddi
- Department of Molecular and Human Genetics, Institute of Science, Banaras Hindu University, Varanasi, India
| | - Ashim Mukherjee
- Department of Molecular and Human Genetics, Institute of Science, Banaras Hindu University, Varanasi, India
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6
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Awad KS, Wang S, Dougherty EJ, Keshavarz A, Demirkale CY, Yu ZX, Miller L, Elinoff JM, Danner RL. BMPR2 Loss Activates AKT by Disrupting DLL4/NOTCH1 and PPARγ Signaling in Pulmonary Arterial Hypertension. Int J Mol Sci 2024; 25:5403. [PMID: 38791441 PMCID: PMC11121464 DOI: 10.3390/ijms25105403] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2024] [Revised: 05/01/2024] [Accepted: 05/02/2024] [Indexed: 05/26/2024] Open
Abstract
Pulmonary arterial hypertension (PAH) is a progressive cardiopulmonary disease characterized by pathologic vascular remodeling of small pulmonary arteries. Endothelial dysfunction in advanced PAH is associated with proliferation, apoptosis resistance, and endothelial to mesenchymal transition (EndoMT) due to aberrant signaling. DLL4, a cell membrane associated NOTCH ligand, plays a pivotal role maintaining vascular integrity. Inhibition of DLL4 has been associated with the development of pulmonary hypertension, but the mechanism is incompletely understood. Here we report that BMPR2 silencing in pulmonary artery endothelial cells (PAECs) activated AKT and suppressed the expression of DLL4. Consistent with these in vitro findings, increased AKT activation and reduced DLL4 expression was found in the small pulmonary arteries of patients with PAH. Increased NOTCH1 activation through exogenous DLL4 blocked AKT activation, decreased proliferation and reversed EndoMT. Exogenous and overexpression of DLL4 induced BMPR2 and PPRE promoter activity, and BMPR2 and PPARG mRNA in idiopathic PAH (IPAH) ECs. PPARγ, a nuclear receptor associated with EC homeostasis, suppressed by BMPR2 loss was induced and activated by DLL4/NOTCH1 signaling in both BMPR2-silenced and IPAH ECs, reversing aberrant phenotypic changes, in part through AKT inhibition. Directly blocking AKT or restoring DLL4/NOTCH1/PPARγ signaling may be beneficial in preventing or reversing the pathologic vascular remodeling of PAH.
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MESH Headings
- Humans
- Proto-Oncogene Proteins c-akt/metabolism
- Signal Transduction
- Bone Morphogenetic Protein Receptors, Type II/metabolism
- Bone Morphogenetic Protein Receptors, Type II/genetics
- PPAR gamma/metabolism
- PPAR gamma/genetics
- Receptor, Notch1/metabolism
- Receptor, Notch1/genetics
- Pulmonary Artery/metabolism
- Pulmonary Artery/pathology
- Endothelial Cells/metabolism
- Adaptor Proteins, Signal Transducing/metabolism
- Adaptor Proteins, Signal Transducing/genetics
- Calcium-Binding Proteins/metabolism
- Calcium-Binding Proteins/genetics
- Pulmonary Arterial Hypertension/metabolism
- Pulmonary Arterial Hypertension/genetics
- Pulmonary Arterial Hypertension/pathology
- Male
- Cell Proliferation
- Hypertension, Pulmonary/metabolism
- Hypertension, Pulmonary/genetics
- Hypertension, Pulmonary/pathology
- Female
- Cells, Cultured
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Affiliation(s)
- Keytam S. Awad
- Critical Care Medicine Department, Clinical Center, NIH, Bethesda, MD 20892, USA; (S.W.); (E.J.D.); (A.K.); (C.Y.D.); (L.M.); (R.L.D.)
| | - Shuibang Wang
- Critical Care Medicine Department, Clinical Center, NIH, Bethesda, MD 20892, USA; (S.W.); (E.J.D.); (A.K.); (C.Y.D.); (L.M.); (R.L.D.)
| | - Edward J. Dougherty
- Critical Care Medicine Department, Clinical Center, NIH, Bethesda, MD 20892, USA; (S.W.); (E.J.D.); (A.K.); (C.Y.D.); (L.M.); (R.L.D.)
| | - Ali Keshavarz
- Critical Care Medicine Department, Clinical Center, NIH, Bethesda, MD 20892, USA; (S.W.); (E.J.D.); (A.K.); (C.Y.D.); (L.M.); (R.L.D.)
| | - Cumhur Y. Demirkale
- Critical Care Medicine Department, Clinical Center, NIH, Bethesda, MD 20892, USA; (S.W.); (E.J.D.); (A.K.); (C.Y.D.); (L.M.); (R.L.D.)
| | - Zu Xi Yu
- Critical Care Medicine and Pulmonary Branch, National Heart, Lung, and Blood Institute, NIH, Bethesda, MD 20892, USA; (Z.X.Y.); (J.M.E.)
| | - Latonia Miller
- Critical Care Medicine Department, Clinical Center, NIH, Bethesda, MD 20892, USA; (S.W.); (E.J.D.); (A.K.); (C.Y.D.); (L.M.); (R.L.D.)
| | - Jason M. Elinoff
- Critical Care Medicine and Pulmonary Branch, National Heart, Lung, and Blood Institute, NIH, Bethesda, MD 20892, USA; (Z.X.Y.); (J.M.E.)
| | - Robert L. Danner
- Critical Care Medicine Department, Clinical Center, NIH, Bethesda, MD 20892, USA; (S.W.); (E.J.D.); (A.K.); (C.Y.D.); (L.M.); (R.L.D.)
- Critical Care Medicine and Pulmonary Branch, National Heart, Lung, and Blood Institute, NIH, Bethesda, MD 20892, USA; (Z.X.Y.); (J.M.E.)
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7
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Della Vecchia S, Tessa A, Pasquariello R, Seabra L, Crow YJ, Battini R. NOTCH1-Related Leukoencephalopathy: A Novel Variant and Literature Review. Int J Mol Sci 2024; 25:2864. [PMID: 38474113 DOI: 10.3390/ijms25052864] [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: 01/23/2024] [Revised: 02/25/2024] [Accepted: 02/26/2024] [Indexed: 03/14/2024] Open
Abstract
NOTCH1-related leukoencephalopathy is a new diagnostic entity linked to heterozygous gain-of-function variants in NOTCH1 that neuroradiologically show some overlap with the inflammatory microangiopathy Aicardi-Goutières syndrome (AGS). To report a 16-year-old boy harbouring a novel NOTCH1 mutation who presented neuroradiological features suggestive of enhanced type I interferon signalling. We describe five years of follow-up and review the current literature on NOTCH1-related leukoencephalopathy. Clinical evaluation, standardised scales (SPRS, SARA, CBCL, CDI-2:P, WISCH-IV and VABS-2) and neuroradiological studies were performed, as well as blood DNA analysis. For the literature review, a search was performed on Pubmed, Scopus and Web of Science up to December 2023 using the following text word search strategy: (NOTCH1) AND (leukoencephalopathy). Our patient presents clinical features consistent with other reported cases with NOTCH1 mutations but is among the minority of patients with an onset after infancy. During the five-year follow-up, we observed an increase in the severity of spasticity and ataxia. However, at the age of 16 years, our proband is still ambulatory. As for other reported patients, he manifests psychiatric features ranging from hyperactivity during childhood to anxiety and depression during adolescence. The neuroradiological picture remained essentially stable over five years. In addition to the typical findings of leukoencephalopathy with cysts and calcifications already described, we report the presence of T2-hyperintensity and T1-hypotensity of the transverse pontine fibres, enhancement in the periventricular white matter after gadolinium administration and decreased NAA and Cho peaks in the periventricular white matter on MRS. We identified a novel heterozygous variant in NOTCH1 (c.4788_4799dup), a frame insertion located in extracellular negative regulatory region (NRR)-domain as in previously published cases. Blood interferon signalling was not elevated compared to controls. This case provides further data on a new diagnostic entity, i.e., NOTCH1-related leukoencephalopathy. By describing a standardised five-year follow-up in one case and reviewing the other patients described to date, we outline recommendations relating to monitoring in this illness, emphasising the importance of psychiatric and gastroenterological surveillance alongside neurological and neuropsychological management. Studies are needed to better understand the factors influencing disease onset and severity, which are heterogeneous.
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Affiliation(s)
- Stefania Della Vecchia
- Department of Molecular Medicine and Neurogenetics, IRCCS Fondazione Stella Maris, 56128 Pisa, Italy
- Department of Neurosciences, Psychology, Drug Research and Child Health (NEUROFARBA), University of Florence, Viale Pieraccini, 6, 50139 Florence, Italy
| | - Alessandra Tessa
- Department of Molecular Medicine and Neurogenetics, IRCCS Fondazione Stella Maris, 56128 Pisa, Italy
| | - Rosa Pasquariello
- Department of Developmental Neuroscience, IRCCS Fondazione Stella Maris, 56128 Pisa, Italy
| | - Luis Seabra
- Laboratory of Neurogenetics and Neuroinflammation, Institut Imagine, University of Paris, 75015 Paris, France
| | - Yanick J Crow
- Laboratory of Neurogenetics and Neuroinflammation, Institut Imagine, University of Paris, 75015 Paris, France
- MRC Human Genetics Unit, Institute of Genetics and Cancer, University of Edinburgh, Edinburgh EH4 2XU, UK
| | - Roberta Battini
- Department of Developmental Neuroscience, IRCCS Fondazione Stella Maris, 56128 Pisa, Italy
- Department of Clinical and Experimental Medicine, University of Pisa, 56126 Pisa, Italy
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8
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Awad KS, Wang S, Dougherty EJ, Keshavarz A, Demirkale CY, Yu ZX, Miller L, Elinoff JM, Danner RL. Disruption of DLL4/NOTCH1 Causes Dysregulated PPARγ/AKT Signaling in Pulmonary Arterial Hypertension. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2024.01.31.578230. [PMID: 38903104 PMCID: PMC11188078 DOI: 10.1101/2024.01.31.578230] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/22/2024]
Abstract
Pulmonary arterial hypertension (PAH) is a progressive cardiopulmonary disease characterized by vascular remodeling of small pulmonary arteries. Endothelial dysfunction in advanced PAH is associated with proliferation, apoptosis resistance, and endothelial to mesenchymal transition (EndoMT) due to aberrant signaling. DLL4, a cell membrane associated NOTCH ligand, activates NOTCH1 signaling and plays a pivotal role maintaining vascular integrity. Inhibition of DLL4 has been associated with the development of pulmonary hypertension, but the mechanism is incompletely understood. Here we report that BMPR2 silencing in PAECs activated AKT and decreased DLL4 expression. DLL4 loss was also seen in lungs of patients with IPAH and HPAH. Over-expression of DLL4 in PAECs induced BMPR2 promoter activity and exogenous DLL4 increased BMPR2 mRNA through NOTCH1 activation. Furthermore, DLL4/NOTCH1 signaling blocked AKT activation, decreased proliferation and reversed EndoMT in BMPR2-silenced PAECs and ECs from IPAH patients. PPARγ, suppressed by BMPR2 loss, was induced and activated by DLL4/NOTCH1 signaling in both BMPR2-silenced and IPAH PAECs, reversing aberrant phenotypic changes, in part through AKT inhibition. Finally, leniolisib, a well-tolerated oral PI3Kδ/AKT inhibitor, decreased cell proliferation, induced apoptosis and reversed markers of EndoMT in BMPR2-silenced PAECs. Restoring DLL4/NOTCH1/PPARγ signaling and/or suppressing AKT activation may be beneficial in preventing or reversing the pathologic vascular remodeling of PAH.
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Affiliation(s)
- Keytam S Awad
- Critical Care Medicine Department, NIH Clinical Center, Bethesda, MD, US, 20892
| | - Shuibang Wang
- Critical Care Medicine Department, NIH Clinical Center, Bethesda, MD, US, 20892
| | - Edward J Dougherty
- Critical Care Medicine Department, NIH Clinical Center, Bethesda, MD, US, 20892
| | - Ali Keshavarz
- Critical Care Medicine Department, NIH Clinical Center, Bethesda, MD, US, 20892
| | - Cumhur Y Demirkale
- Critical Care Medicine Department, NIH Clinical Center, Bethesda, MD, US, 20892
| | - Zu Xi Yu
- National Heart Lung and Blood Institute, National Institutes of Health, Bethesda, MD, US, 20892
| | - Latonia Miller
- National Heart Lung and Blood Institute, National Institutes of Health, Bethesda, MD, US, 20892
| | - Jason M Elinoff
- Critical Care Medicine Department, NIH Clinical Center, Bethesda, MD, US, 20892
- National Heart Lung and Blood Institute, National Institutes of Health, Bethesda, MD, US, 20892
| | - Robert L Danner
- Critical Care Medicine Department, NIH Clinical Center, Bethesda, MD, US, 20892
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9
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Torres HM, Hinojosa L, VanCleave AM, Rodezno T, Westendorf JJ, Tao J. Hdac1 and Hdac2 positively regulate Notch1 gain-of-function pathogenic signaling in committed osteoblasts of male mice. Birth Defects Res 2024; 116:e2266. [PMID: 37921375 PMCID: PMC10842522 DOI: 10.1002/bdr2.2266] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2023] [Revised: 10/18/2023] [Accepted: 10/19/2023] [Indexed: 11/04/2023]
Abstract
BACKGROUND Skeletal development requires precise extrinsic and intrinsic signals to regulate processes that form and maintain bone and cartilage. Notch1 is a highly conserved signaling receptor that regulates cell fate decisions by controlling the duration of transcriptional bursts. Epigenetic molecular events reversibly modify DNA and histone tails by influencing the spatial organization of chromatin and can fine-tune the outcome of a Notch1 transcriptional response. Histone deacetylase 1 and 2 (HDAC1 and HDAC2) are chromatin modifying enzymes that mediate osteoblast differentiation. While an HDAC1-Notch interaction has been studied in vitro and in Drosophila, its role in mammalian skeletal development and disorders is unclear. Osteosclerosis is a bone disorder with an abnormal increase in the number of osteoblasts and excessive bone formation. METHODS Here, we tested whether Hdac1/2 contribute to the pathogenesis of osteosclerosis in a murine model of the disease owing to conditionally cre-activated expression of the Notch1 intracellular domain in immature osteoblasts. RESULTS Importantly, selective homozygous deletions of Hdac1/2 in osteoblasts partially alleviate osteosclerotic phenotypes (Col2.3kb-Cre; TGRosaN1ICD/+ ; Hdac1flox/flox ; Hdac2flox/flox ) with a 40% decrease in bone volume and a 22% decrease in trabecular thickness in 4 weeks old when compared to male mice with heterozygous deletions of Hdac1/2 (Col2.3 kb-Cre; TGRosaN1ICD/+ ; Hdac1flox/+ ; Hdac2flox/+ ). Osteoblast-specific deletion of Hdac1/2 in male and female mice results in no overt bone phenotype in the absence of the Notch1 gain-of-function (GOF) allele. CONCLUSIONS These results provide evidence that Hdac1/2 contribute to Notch1 pathogenic signaling in the mammalian skeleton. Our study on epigenetic regulation of Notch1 GOF-induced osteosclerosis may facilitate further mechanistic studies of skeletal birth defects caused by Notch-related GOF mutations in human patients, such as Adams-Oliver disease, congenital heart disease, and lateral meningocele syndrome.
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Affiliation(s)
- Haydee M Torres
- Cancer Biology and Immunotherapies Group, Sanford Research, Sioux Falls, South Dakota, USA
- Department of Chemistry and Biochemistry, South Dakota State University, Brookings, South Dakota, USA
- Department of Orthopedic Surgery, Mayo Clinic, Rochester, Minnesota, USA
| | - Leetoria Hinojosa
- Cancer Biology and Immunotherapies Group, Sanford Research, Sioux Falls, South Dakota, USA
| | - Ashley M VanCleave
- Cancer Biology and Immunotherapies Group, Sanford Research, Sioux Falls, South Dakota, USA
| | - Tania Rodezno
- Cancer Biology and Immunotherapies Group, Sanford Research, Sioux Falls, South Dakota, USA
| | - Jennifer J Westendorf
- Department of Orthopedic Surgery, Mayo Clinic, Rochester, Minnesota, USA
- Department of Biochemistry & Molecular Biology, Mayo Clinic, Rochester, Minnesota, USA
| | - Jianning Tao
- Cancer Biology and Immunotherapies Group, Sanford Research, Sioux Falls, South Dakota, USA
- Department of Chemistry and Biochemistry, South Dakota State University, Brookings, South Dakota, USA
- Department of Pediatrics and Biomedical Engineering, University of South Dakota, Sioux Falls, South Dakota, USA
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10
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Zhao S, Mekbib KY, van der Ent MA, Allington G, Prendergast A, Chau JE, Smith H, Shohfi J, Ocken J, Duran D, Furey CG, Hao LT, Duy PQ, Reeves BC, Zhang J, Nelson-Williams C, Chen D, Li B, Nottoli T, Bai S, Rolle M, Zeng X, Dong W, Fu PY, Wang YC, Mane S, Piwowarczyk P, Fehnel KP, See AP, Iskandar BJ, Aagaard-Kienitz B, Moyer QJ, Dennis E, Kiziltug E, Kundishora AJ, DeSpenza T, Greenberg ABW, Kidanemariam SM, Hale AT, Johnston JM, Jackson EM, Storm PB, Lang SS, Butler WE, Carter BS, Chapman P, Stapleton CJ, Patel AB, Rodesch G, Smajda S, Berenstein A, Barak T, Erson-Omay EZ, Zhao H, Moreno-De-Luca A, Proctor MR, Smith ER, Orbach DB, Alper SL, Nicoli S, Boggon TJ, Lifton RP, Gunel M, King PD, Jin SC, Kahle KT. Mutation of key signaling regulators of cerebrovascular development in vein of Galen malformations. Nat Commun 2023; 14:7452. [PMID: 37978175 PMCID: PMC10656524 DOI: 10.1038/s41467-023-43062-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2022] [Accepted: 10/30/2023] [Indexed: 11/19/2023] Open
Abstract
To elucidate the pathogenesis of vein of Galen malformations (VOGMs), the most common and most severe of congenital brain arteriovenous malformations, we performed an integrated analysis of 310 VOGM proband-family exomes and 336,326 human cerebrovasculature single-cell transcriptomes. We found the Ras suppressor p120 RasGAP (RASA1) harbored a genome-wide significant burden of loss-of-function de novo variants (2042.5-fold, p = 4.79 x 10-7). Rare, damaging transmitted variants were enriched in Ephrin receptor-B4 (EPHB4) (17.5-fold, p = 1.22 x 10-5), which cooperates with p120 RasGAP to regulate vascular development. Additional probands had damaging variants in ACVRL1, NOTCH1, ITGB1, and PTPN11. ACVRL1 variants were also identified in a multi-generational VOGM pedigree. Integrative genomic analysis defined developing endothelial cells as a likely spatio-temporal locus of VOGM pathophysiology. Mice expressing a VOGM-specific EPHB4 kinase-domain missense variant (Phe867Leu) exhibited disrupted developmental angiogenesis and impaired hierarchical development of arterial-capillary-venous networks, but only in the presence of a "second-hit" allele. These results illuminate human arterio-venous development and VOGM pathobiology and have implications for patients and their families.
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Affiliation(s)
- Shujuan Zhao
- Department of Genetics, Washington University School of Medicine, St. Louis, MO, USA
- Department of Neurosurgery, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
| | - Kedous Y Mekbib
- Department of Neurosurgery, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
- Department of Neurosurgery, Yale School of Medicine, New Haven, CT, USA
| | - Martijn A van der Ent
- Department of Microbiology and Immunology, University of Michigan Medical School, Ann Arbor, MI, USA
| | - Garrett Allington
- Department of Neurosurgery, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
- Department of Pathology, Yale School of Medicine, New Haven, CT, USA
| | - Andrew Prendergast
- Yale Zebrafish Research Core, Yale School of Medicine, New Haven, CT, USA
| | - Jocelyn E Chau
- Department of Molecular Biophysics and Biochemistry, Yale School of Medicine, New Haven, CT, USA
| | - Hannah Smith
- Department of Neurosurgery, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
- Department of Neurosurgery, Yale School of Medicine, New Haven, CT, USA
| | - John Shohfi
- Department of Neurosurgery, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
- Department of Neurosurgery, Yale School of Medicine, New Haven, CT, USA
| | - Jack Ocken
- Department of Neurosurgery, Yale School of Medicine, New Haven, CT, USA
| | - Daniel Duran
- Department of Neurosurgery, University of Mississippi Medical Center, Jackson, MS, USA
| | - Charuta G Furey
- Department of Neurosurgery, Yale School of Medicine, New Haven, CT, USA
- Department of Neurosurgery, Barrow Neurological Institute, Phoenix, AZ, USA
- Ivy Brain Tumor Center, Department of Translational Neuroscience, Barrow Neurological Institute, Phoenix, AZ, USA
| | - Le Thi Hao
- Department of Neurosurgery, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
| | - Phan Q Duy
- Department of Neurosurgery, University of Virginia School of Medicine, Charlottesville, VA, USA
| | - Benjamin C Reeves
- Department of Neurosurgery, Yale School of Medicine, New Haven, CT, USA
| | - Junhui Zhang
- Department of Genetics, Yale School of Medicine, New Haven, CT, USA
| | | | - Di Chen
- Department of Microbiology and Immunology, University of Michigan Medical School, Ann Arbor, MI, USA
| | - Boyang Li
- Department of Biostatistics, Yale School of Public Health, New Haven, CT, USA
| | - Timothy Nottoli
- Yale Genome Editing Center, Department of Comparative Medicine, Yale School of Medicine, New Haven, CT, USA
| | - Suxia Bai
- Yale Genome Editing Center, Department of Comparative Medicine, Yale School of Medicine, New Haven, CT, USA
| | - Myron Rolle
- Department of Neurosurgery, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
| | - Xue Zeng
- Department of Molecular Biophysics and Biochemistry, Yale School of Medicine, New Haven, CT, USA
- Laboratory of Human Genetics and Genomics, The Rockefeller University, New York, NY, USA
| | - Weilai Dong
- Department of Genetics, Yale School of Medicine, New Haven, CT, USA
- Laboratory of Human Genetics and Genomics, The Rockefeller University, New York, NY, USA
| | - Po-Ying Fu
- Department of Genetics, Washington University School of Medicine, St. Louis, MO, USA
| | - Yung-Chun Wang
- Department of Genetics, Washington University School of Medicine, St. Louis, MO, USA
| | - Shrikant Mane
- Department of Genetics, Yale School of Medicine, New Haven, CT, USA
| | - Paulina Piwowarczyk
- Department of Neurosurgery, Boston Children's Hospital, Harvard Medical School, Boston, MA, USA
| | - Katie Pricola Fehnel
- Department of Neurosurgery, Boston Children's Hospital, Harvard Medical School, Boston, MA, USA
| | - Alfred Pokmeng See
- Department of Neurosurgery, Boston Children's Hospital, Harvard Medical School, Boston, MA, USA
| | - Bermans J Iskandar
- Department of Neurological Surgery, University of Wisconsin School of Medicine and Public Health, Madison, WI, USA
| | - Beverly Aagaard-Kienitz
- Department of Neurological Surgery, University of Wisconsin School of Medicine and Public Health, Madison, WI, USA
- Department of Radiology, University of Wisconsin School of Medicine and Public Health, Madison, WI, USA
| | - Quentin J Moyer
- Department of Neurosurgery, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
| | - Evan Dennis
- Department of Neurosurgery, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
| | - Emre Kiziltug
- Department of Neurosurgery, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
| | - Adam J Kundishora
- Department of Neurosurgery, Yale School of Medicine, New Haven, CT, USA
| | - Tyrone DeSpenza
- Department of Neurosurgery, Yale School of Medicine, New Haven, CT, USA
| | - Ana B W Greenberg
- Department of Neurosurgery, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
| | | | - Andrew T Hale
- Department of Neurosurgery, University of Alabama School of Medicine, Birmingham, AL, USA
| | - James M Johnston
- Department of Neurosurgery, University of Alabama School of Medicine, Birmingham, AL, USA
| | - Eric M Jackson
- Department of Neurosurgery, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Phillip B Storm
- Department of Neurosurgery, Hospital of the University of Pennsylvania, Philadelphia, PA, USA
- Division of Neurosurgery, Children's Hospital of Philadelphia, Philadelphia, PA, USA
| | - Shih-Shan Lang
- Department of Neurosurgery, Hospital of the University of Pennsylvania, Philadelphia, PA, USA
- Division of Neurosurgery, Children's Hospital of Philadelphia, Philadelphia, PA, USA
| | - William E Butler
- Department of Neurosurgery, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
| | - Bob S Carter
- Department of Neurosurgery, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
| | - Paul Chapman
- Department of Neurosurgery, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
| | - Christopher J Stapleton
- Department of Neurosurgery, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
| | - Aman B Patel
- Department of Neurosurgery, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
| | - Georges Rodesch
- Service de Neuroradiologie Diagnostique et Thérapeutique, Hôpital Foch, Suresnes, France
- Department of Interventional Neuroradiology, Hôpital Fondation A. de Rothschild, Paris, France
| | - Stanislas Smajda
- Department of Interventional Neuroradiology, Hôpital Fondation A. de Rothschild, Paris, France
| | - Alejandro Berenstein
- Department of Neurosurgery, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Tanyeri Barak
- Department of Neurosurgery, Yale School of Medicine, New Haven, CT, USA
| | | | - Hongyu Zhao
- Department of Genetics, Yale School of Medicine, New Haven, CT, USA
- Department of Biostatistics, Yale School of Public Health, New Haven, CT, USA
| | - Andres Moreno-De-Luca
- Department of Radiology, Autism & Developmental Medicine Institute, Genomic Medicine Institute, Geisinger, Danville, PA, USA
| | - Mark R Proctor
- Department of Neurosurgery, Boston Children's Hospital, Harvard Medical School, Boston, MA, USA
| | - Edward R Smith
- Department of Neurosurgery, Boston Children's Hospital, Harvard Medical School, Boston, MA, USA
| | - Darren B Orbach
- Department of Neurosurgery, Boston Children's Hospital, Harvard Medical School, Boston, MA, USA
- Department of Neurointerventional Radiology, Boston Children's Hospital, Harvard Medical School, Boston, MA, USA
| | - Seth L Alper
- Division of Nephrology and Center for Vascular Biology Research, Beth Israel Deaconess Medical Center, and Department of Medicine, Harvard Medical School, Boston, MA, USA
| | - Stefania Nicoli
- Department of Genetics, Yale School of Medicine, New Haven, CT, USA
- Department of Pharmacology, Yale School of Medicine, New Haven, CT, USA
- Yale Cardiovascular Research Center, Department of Internal Medicine, Section of Cardiology, Yale School of Medicine, New Haven, CT, USA
| | - Titus J Boggon
- Department of Molecular Biophysics and Biochemistry, Yale School of Medicine, New Haven, CT, USA
- Department of Pharmacology, Yale School of Medicine, New Haven, CT, USA
| | - Richard P Lifton
- Laboratory of Human Genetics and Genomics, The Rockefeller University, New York, NY, USA
| | - Murat Gunel
- Department of Neurosurgery, Yale School of Medicine, New Haven, CT, USA
| | - Philip D King
- Department of Microbiology and Immunology, University of Michigan Medical School, Ann Arbor, MI, USA.
| | - Sheng Chih Jin
- Department of Genetics, Washington University School of Medicine, St. Louis, MO, USA.
- Department of Pediatrics, Washington University School of Medicine, St. Louis, MO, USA.
| | - Kristopher T Kahle
- Department of Neurosurgery, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA.
- Department of Neurosurgery, Yale School of Medicine, New Haven, CT, USA.
- Division of Genetics and Genomics, Boston Children's Hospital, Boston, MA, US.
- Broad Institute of MIT and Harvard, Cambridge, MA, USA.
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11
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Torres-Juan L, Rico Y, Fortuny E, Pons J, Ramos R, Santos-Simarro F, Asensio V, Martinez I, Heine-Suñer D. NOTCH1 Gene as a Novel Cause of Thoracic Aortic Aneurysm in Patients with Tricuspid Aortic Valve: Two Cases Reported. Int J Mol Sci 2023; 24:ijms24108644. [PMID: 37239988 DOI: 10.3390/ijms24108644] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2023] [Revised: 05/01/2023] [Accepted: 05/04/2023] [Indexed: 05/28/2023] Open
Abstract
Thoracic aortic aneurysms (TAA) consist of abnormal dilation or the widening of a portion of the ascending aorta, due to weakness or destructuring of the walls of the vessel and are potentially lethal. The congenital bicuspid aortic valve (BAV) is considered a risk factor for the development of TAA because asymmetric blood flow through the bicuspid aortic valve detrimentally influences the wall of the ascending aorta. NOTCH1 mutations have been associated with non-syndromic TAAs as a consequence of BAV, but little is known regarding its haploinsufficiency and its relationship with connective tissue abnormalities. We report two cases in which there is clear evidence that alterations in the NOTCH1 gene are the cause of TAA in the absence of BAV. On the one hand, we describe a 117 Kb deletion that includes a large part of the NOTCH1 gene and no other coding genes, suggesting that haploinsufficiency can be considered a pathogenic mechanism for this gene associated with TAA. In addition, we describe two brothers who carry two variants, one in the NOTCH1 gene and another in the MIB1 gene, corroborating the involvement of different genes of the Notch pathway in aortic pathology.
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Affiliation(s)
- Laura Torres-Juan
- Molecular Diagnostics and Clinical Genetics Department (UDMGC), Hospital Universitari Son Espases, 07010 Palma de Mallorca, Spain
- Health Research Institute of the Balearic Islands (IdISBa), Hospital Universitari Son Espases, 07010 Palma de Mallorca, Spain
| | - Yolanda Rico
- Cardiology Department, Hospital Universitari Son Espases, 07010 Palma de Mallorca, Spain
| | - Elena Fortuny
- Health Research Institute of the Balearic Islands (IdISBa), Hospital Universitari Son Espases, 07010 Palma de Mallorca, Spain
- Cardiology Department, Hospital Universitari Son Espases, 07010 Palma de Mallorca, Spain
| | - Jaume Pons
- Health Research Institute of the Balearic Islands (IdISBa), Hospital Universitari Son Espases, 07010 Palma de Mallorca, Spain
- Cardiology Department, Hospital Universitari Son Espases, 07010 Palma de Mallorca, Spain
| | - Rafael Ramos
- Health Research Institute of the Balearic Islands (IdISBa), Hospital Universitari Son Espases, 07010 Palma de Mallorca, Spain
- Pathology Department, Hospital Universitari Son Espases, 07120 Palma de Mallorca, Spain
| | - Fernando Santos-Simarro
- Molecular Diagnostics and Clinical Genetics Department (UDMGC), Hospital Universitari Son Espases, 07010 Palma de Mallorca, Spain
- Health Research Institute of the Balearic Islands (IdISBa), Hospital Universitari Son Espases, 07010 Palma de Mallorca, Spain
| | - Víctor Asensio
- Molecular Diagnostics and Clinical Genetics Department (UDMGC), Hospital Universitari Son Espases, 07010 Palma de Mallorca, Spain
- Health Research Institute of the Balearic Islands (IdISBa), Hospital Universitari Son Espases, 07010 Palma de Mallorca, Spain
| | - Iciar Martinez
- Molecular Diagnostics and Clinical Genetics Department (UDMGC), Hospital Universitari Son Espases, 07010 Palma de Mallorca, Spain
- Health Research Institute of the Balearic Islands (IdISBa), Hospital Universitari Son Espases, 07010 Palma de Mallorca, Spain
| | - Damian Heine-Suñer
- Molecular Diagnostics and Clinical Genetics Department (UDMGC), Hospital Universitari Son Espases, 07010 Palma de Mallorca, Spain
- Health Research Institute of the Balearic Islands (IdISBa), Hospital Universitari Son Espases, 07010 Palma de Mallorca, Spain
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12
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Zhao S, Mekbib KY, van der Ent MA, Allington G, Prendergast A, Chau JE, Smith H, Shohfi J, Ocken J, Duran D, Furey CG, Le HT, Duy PQ, Reeves BC, Zhang J, Nelson-Williams C, Chen D, Li B, Nottoli T, Bai S, Rolle M, Zeng X, Dong W, Fu PY, Wang YC, Mane S, Piwowarczyk P, Fehnel KP, See AP, Iskandar BJ, Aagaard-Kienitz B, Kundishora AJ, DeSpenza T, Greenberg ABW, Kidanemariam SM, Hale AT, Johnston JM, Jackson EM, Storm PB, Lang SS, Butler WE, Carter BS, Chapman P, Stapleton CJ, Patel AB, Rodesch G, Smajda S, Berenstein A, Barak T, Erson-Omay EZ, Zhao H, Moreno-De-Luca A, Proctor MR, Smith ER, Orbach DB, Alper SL, Nicoli S, Boggon TJ, Lifton RP, Gunel M, King PD, Jin SC, Kahle KT. Genetic dysregulation of an endothelial Ras signaling network in vein of Galen malformations. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.03.18.532837. [PMID: 36993588 PMCID: PMC10055230 DOI: 10.1101/2023.03.18.532837] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/15/2023]
Abstract
To elucidate the pathogenesis of vein of Galen malformations (VOGMs), the most common and severe congenital brain arteriovenous malformation, we performed an integrated analysis of 310 VOGM proband-family exomes and 336,326 human cerebrovasculature single-cell transcriptomes. We found the Ras suppressor p120 RasGAP ( RASA1 ) harbored a genome-wide significant burden of loss-of-function de novo variants (p=4.79×10 -7 ). Rare, damaging transmitted variants were enriched in Ephrin receptor-B4 ( EPHB4 ) (p=1.22×10 -5 ), which cooperates with p120 RasGAP to limit Ras activation. Other probands had pathogenic variants in ACVRL1 , NOTCH1 , ITGB1 , and PTPN11 . ACVRL1 variants were also identified in a multi-generational VOGM pedigree. Integrative genomics defined developing endothelial cells as a key spatio-temporal locus of VOGM pathophysiology. Mice expressing a VOGM-specific EPHB4 kinase-domain missense variant exhibited constitutive endothelial Ras/ERK/MAPK activation and impaired hierarchical development of angiogenesis-regulated arterial-capillary-venous networks, but only when carrying a "second-hit" allele. These results illuminate human arterio-venous development and VOGM pathobiology and have clinical implications.
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13
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Boerkoel P, Huynh S, Yang GX, Boerkoel CF, Patel MS, Lehman A, Terry J, Elbert A. NOTCH1 loss of the TAD and PEST domain: An antimorph? Am J Med Genet A 2023; 191:1593-1598. [PMID: 36866832 DOI: 10.1002/ajmg.a.63167] [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: 10/22/2022] [Revised: 01/05/2023] [Accepted: 02/15/2023] [Indexed: 03/04/2023]
Abstract
The Notch proteins play key roles in cell fate determination during development. Germline pathogenic variants in NOTCH1 predispose to a spectrum of cardiovascular malformations including Adams-Oliver syndrome and a wide variety of isolated complex and simple congenital heart defects. The intracellular C-terminus of the single-pass transmembrane receptor encoded by NOTCH1 contains a transcriptional activating domain (TAD) required for target gene activation and a PEST domain (a sequence rich in proline, glutamic acid, serine, and threonine), regulating protein stability and turnover. We present a patient with a novel variant encoding a truncated NOTCH1 protein without the TAD and PEST domain (NM_017617.4: c.[6626_6629del];[=], p.(Tyr2209CysfsTer38)) and extensive cardiovascular abnormalities consistent with a NOTCH1-mediated mechanism. This variant fails to promote transcription of target genes as assessed by luciferase reporter assay. Given the roles of the TAD and PEST domains in NOTCH1 function and regulation, we hypothesize that loss of both the TAD and the PEST domain results in a stable, loss-of-function protein that acts as an antimorph through competition with wild-type NOTCH1.
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Affiliation(s)
- Pierre Boerkoel
- MD Undergraduate Program, University of British Columbia, Vancouver, British Columbia, Canada
| | - Stephanie Huynh
- Provincial Medical Genetics Program, B.C. Women's Hospital, Vancouver, British Columbia, Canada
| | - Gui Xiang Yang
- Department of Medical Genetics, University of British Columbia, Vancouver, British Columbia, Canada.,BC Children's Hospital Research Institute, University of British Columbia, Vancouver, British Columbia, Canada
| | - Cornelius F Boerkoel
- Provincial Medical Genetics Program, B.C. Women's Hospital, Vancouver, British Columbia, Canada.,Department of Medical Genetics, University of British Columbia, Vancouver, British Columbia, Canada
| | - Millan S Patel
- Provincial Medical Genetics Program, B.C. Women's Hospital, Vancouver, British Columbia, Canada.,Department of Medical Genetics, University of British Columbia, Vancouver, British Columbia, Canada.,BC Children's Hospital Research Institute, University of British Columbia, Vancouver, British Columbia, Canada
| | - Anna Lehman
- Department of Medical Genetics, University of British Columbia, Vancouver, British Columbia, Canada.,BC Children's Hospital Research Institute, University of British Columbia, Vancouver, British Columbia, Canada
| | - Jefferson Terry
- Department of Pathology and Laboratory Medicine, University of British Columbia and BC Children's Hospital, Vancouver, British Columbia, Canada
| | - Adrienne Elbert
- Provincial Medical Genetics Program, B.C. Women's Hospital, Vancouver, British Columbia, Canada.,Department of Medical Genetics, University of British Columbia, Vancouver, British Columbia, Canada
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14
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Yokoyama U, Oka S, Saito J. Molecular mechanisms regulating extracellular matrix-mediated remodeling in the ductus arteriosus. Semin Perinatol 2023; 47:151716. [PMID: 36906477 DOI: 10.1016/j.semperi.2023.151716] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 03/13/2023]
Abstract
Progressive remodeling throughout the fetal and postnatal period is essential for anatomical closure of the ductus arteriosus (DA). Internal elastic lamina interruption and subendothelial region widening, elastic fiber formation impairment in the tunica media, and intimal thickening are distinctive features of the fetal DA. After birth, the DA undergoes further extracellular matrix-mediated remodeling. Based on the knowledge obtained from mouse models and human disease, recent studies revealed a molecular mechanism of DA remodeling. In this review, we focus on matrix remodeling and regulation of cell migration/proliferation associated with DA anatomical closure and discuss the role of prostaglandin E receptor 4 (EP4) signaling and jagged1-Notch signaling as well as myocardin, vimentin, and secretory components including tissue plasminogen activator, versican, lysyl oxidase, and bone morphogenetic proteins 9 and 10.
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Affiliation(s)
- Utako Yokoyama
- Department of Physiology, Tokyo Medical University, Shinjuku 6-1-1, Shinjuku-ku, Tokyo, Japan 160-8402.
| | - Sayuki Oka
- Department of Physiology, Tokyo Medical University, Shinjuku 6-1-1, Shinjuku-ku, Tokyo, Japan 160-8402
| | - Junichi Saito
- Department of Physiology, Tokyo Medical University, Shinjuku 6-1-1, Shinjuku-ku, Tokyo, Japan 160-8402
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15
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Yang XF, Shi SW, Chen K. Case report: Recombinant human epidermal growth factor gel plus kangfuxin solution in the treatment of aplasia cutis congenita in a case with Adams-Oliver syndrome. Front Surg 2023; 9:1072021. [PMID: 36713669 PMCID: PMC9874222 DOI: 10.3389/fsurg.2022.1072021] [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: 10/17/2022] [Accepted: 12/05/2022] [Indexed: 01/12/2023] Open
Abstract
Background Aplasia cutis congenita is a congenital disorder with the absence of skin, muscle and(or) bone. It usually affects the scalp. The presence of a large scalp defect can be potentially serious when complicated with hemorrhage and infection. Early healing of this condition is beneficial to improve the prognosis of infants. Study case A full-term newborn male was born with a round-shaped defect at the vertex of the scalp and skull (dimensions, 8 cm × 9 cm). The infant had a large deletion encompassing the 15.1 region of chromosome 15, including the DLL4 gene. Genetic testing was positive for Adams-Oliver syndrome (AOS). After two months of recombinant human epidermal growth factor gel combined with kangfuxin solution therapy, the skin defects of the scalp healed remarkably. The infant had regular follow-up appointments. At the age of 5 months, the defect became smaller, hairless, and showed good granulation tissue. At 2 years of age, the child's Gesell Developmental Schedules was 70. Conclusion Recombinant human epidermal growth factor gel combined with kangfuxin solution was a successful conservative treatment for an infant with a large scalp defect accompanied by AOS.
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Affiliation(s)
- Xiu-Fang Yang
- Department of Neonatology, Zhongshan Hospital Affiliated to Sun Yat-Sen University, Zhongshan, China,Correspondence: Xiu-Fang Yang
| | - Shang-Wen Shi
- Department of Neonatology, Zhongshan Hospital Affiliated to Sun Yat-Sen University, Zhongshan, China
| | - Kang Chen
- Molecular Inspection Center, Zhongshan Hospital Affiliated to Sun Yat-Sen University, Zhongshan, China
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16
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Kiselev LG, Bessolova NA, Kopylova MS, Babitskaya DA, Seledueva ED. Adams-Oliver syndrome. ROSSIYSKIY VESTNIK PERINATOLOGII I PEDIATRII (RUSSIAN BULLETIN OF PERINATOLOGY AND PEDIATRICS) 2023. [DOI: 10.21508/1027-4065-2022-67-6-93-97] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
The article presents the observation of a rare hereditary disease: Adams–Oliver syndrome. In a newborn girl in the postnatal period, a lesion of the distal extremities was revealed in the form of syndactyly of the proximal phalanges of 4–5 and 2–3 fingers, hypoplasia of the nail phalanges of 2–5 fingers of the left foot, fusion of the proximal phalanges and the absence of middle and nail phalanges of 2–3 fingers of the right foot, hypoplasia of the terminal phalanx and the absence of the nail plate of the 2nd finger of the left hand. In addition to malformations of the extremities, anomalies in the development of the skin on the scalp in the form of an area of aplasia and outgrowths, represented by sweat gland hyperplasia with a fibroepithelial outgrowth, were noted. Cardiac pathology was manifested by a heart rhythm disturbance of the type of sinus bradyarrhythmia. Adams–Oliver syndrome is a complex disease with phenotypic variability, which causes difficulties in clinical diagnosis.
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17
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Gao Y, Fu Z, Guan J, Liu X, Zhang Q. The role of Notch signaling pathway in metabolic bone diseases. Biochem Pharmacol 2023; 207:115377. [PMID: 36513140 DOI: 10.1016/j.bcp.2022.115377] [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: 09/29/2022] [Revised: 12/03/2022] [Accepted: 12/06/2022] [Indexed: 12/14/2022]
Abstract
Metabolic bone diseases is the third most common endocrine diseases after diabetes and thyroid diseases. More than 500 million people worldwide suffer from metabolic bone diseases. The generation and development of bone metabolic diseases is a complex process regulated by multiple signaling pathways, among which the Notch signaling pathway is one of the most important pathways. The Notch signaling pathway regulates the differentiation and function of osteoblasts and osteoclasts, and affects the process of cartilage formation, bone formation and bone resorption. Genetic mutations in upstream and downstream of Notch signaling genes can lead to a series of metabolic bone diseases, such as Alagille syndrome, Adams-Oliver syndrome and spondylocostal dysostosis. In this review, we analyzed the mechanisms of Notch ligands, Notch receptors and signaling molecules in the process of signal transduction, and summarized the progress on the pathogenesis and clinical manifestations of bone metabolic diseases caused by Notch gene mutation. We hope to draw attention to the role of the Notch signaling pathway in metabolic bone diseases and provide new ideas and approaches for the diagnosis and treatment of metabolic bone diseases.
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Affiliation(s)
- Yongguang Gao
- Tangshan Key Laboratory of Green Speciality Chemicals, Department of Chemistry, Tangshan Normal University, Tangshan 063000, China.
| | - Zhanda Fu
- Tangshan Key Laboratory of Green Speciality Chemicals, Department of Chemistry, Tangshan Normal University, Tangshan 063000, China
| | - Junxia Guan
- Tangshan Key Laboratory of Green Speciality Chemicals, Department of Chemistry, Tangshan Normal University, Tangshan 063000, China
| | - Xinhua Liu
- Tangshan Key Laboratory of Green Speciality Chemicals, Department of Chemistry, Tangshan Normal University, Tangshan 063000, China
| | - Qing Zhang
- Tangshan Key Laboratory of Green Speciality Chemicals, Department of Chemistry, Tangshan Normal University, Tangshan 063000, China.
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18
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Dabravolski SA, Markin AM, Andreeva ER, Eremin II, Orekhov AN, Melnichenko AA. Emerging role of pericytes in therapy of cardiovascular diseases. Biomed Pharmacother 2022; 156:113928. [DOI: 10.1016/j.biopha.2022.113928] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2022] [Revised: 10/17/2022] [Accepted: 10/24/2022] [Indexed: 11/17/2022] Open
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19
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Vargas‐Franco D, Kalra R, Draper I, Pacak CA, Asakura A, Kang PB. The Notch signaling pathway in skeletal muscle health and disease. Muscle Nerve 2022; 66:530-544. [PMID: 35968817 PMCID: PMC9804383 DOI: 10.1002/mus.27684] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2022] [Revised: 07/20/2022] [Accepted: 07/24/2022] [Indexed: 01/05/2023]
Abstract
The Notch signaling pathway is a key regulator of skeletal muscle development and regeneration. Over the past decade, the discoveries of three new muscle disease genes have added a new dimension to the relationship between the Notch signaling pathway and skeletal muscle: MEGF10, POGLUT1, and JAG2. We review the clinical syndromes associated with pathogenic variants in each of these genes, known molecular and cellular functions of their protein products with a particular focus on the Notch signaling pathway, and potential novel therapeutic targets that may emerge from further investigations of these diseases. The phenotypes associated with two of these genes, POGLUT1 and JAG2, clearly fall within the realm of muscular dystrophy, whereas the third, MEGF10, is associated with a congenital myopathy/muscular dystrophy overlap syndrome classically known as early-onset myopathy, areflexia, respiratory distress, and dysphagia. JAG2 is a canonical Notch ligand, POGLUT1 glycosylates the extracellular domain of Notch receptors, and MEGF10 interacts with the intracellular domain of NOTCH1. Additional genes and their encoded proteins relevant to muscle function and disease with links to the Notch signaling pathway include TRIM32, ATP2A1 (SERCA1), JAG1, PAX7, and NOTCH2NLC. There is enormous potential to identify convergent mechanisms of skeletal muscle disease and new therapeutic targets through further investigations of the Notch signaling pathway in the context of skeletal muscle development, maintenance, and disease.
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Affiliation(s)
| | - Raghav Kalra
- Division of Pediatric NeurologyUniversity of Florida College of MedicineGainesvilleFlorida
| | - Isabelle Draper
- Molecular Cardiology Research InstituteTufts Medical CenterBostonMassachusetts
| | - Christina A. Pacak
- Paul and Sheila Wellstone Muscular Dystrophy CenterUniversity of Minnesota Medical SchoolMinneapolisMinnesota
- Department of NeurologyUniversity of Minnesota Medical SchoolMinneapolisMinnesota
| | - Atsushi Asakura
- Paul and Sheila Wellstone Muscular Dystrophy CenterUniversity of Minnesota Medical SchoolMinneapolisMinnesota
- Department of NeurologyUniversity of Minnesota Medical SchoolMinneapolisMinnesota
| | - Peter B. Kang
- Paul and Sheila Wellstone Muscular Dystrophy CenterUniversity of Minnesota Medical SchoolMinneapolisMinnesota
- Department of NeurologyUniversity of Minnesota Medical SchoolMinneapolisMinnesota
- Institute for Translational NeuroscienceUniversity of Minnesota Medical SchoolMinneapolisMinnesota
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20
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Lukas M, Harald G, Sanz J, Trippel M, Sabina G, Jochen R. Cutaneous squamous cell carcinoma in an autosomal-recessive Adams-Oliver syndrome patient with a novel frameshift pathogenic variant in the EOGT gene. Am J Med Genet A 2022; 188:3318-3323. [PMID: 36059114 PMCID: PMC9826191 DOI: 10.1002/ajmg.a.62961] [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: 11/09/2021] [Revised: 06/20/2022] [Accepted: 07/16/2022] [Indexed: 01/31/2023]
Abstract
Aplasia cutis congenita (ACC) of the scalp and terminal transverse limb defects (TTLD) are the characteristic findings of Adams-Oliver syndrome (AOS). The variable clinical spectrum further includes cardiac, neurologic, renal, and ophthalmological findings. Associated genes in AOS are in the Notch and the CDC42/Rac1 signaling pathways. Both autosomal-dominant and autosomal-recessive inheritances have been reported, the latter with pathogenic variants in DOCK6 or EOGT. The EOGT-associated recessive type of AOS has been postulated to present a more favorable prognosis. We here report a 12-year-old girl from a refugee family of Iraq with consanguineous parents. She was born with a severe phenotype of AOS presenting a large ACC of the scalp with an underlying skull defect, which was often infected and inflamed. Afterward, additional ulceration developed. Furthermore, the girl showed microcephaly, TTLD on both hands and feet, and neurological findings: spastic paresis, epilepsy and suspicion of intellectual deficit. Molecular genetic analysis (next-generation sequencing) revealed a novel frameshift mutation in the EOGT gene in Exon 13 in homozygous constellation: c.1013dupA p.(Asn338Lysfs*24). A biopsy within an ulceration at the scalp ACC showed a cutaneous squamous cell carcinoma (cSCC) with local invasive growth into the dura, the meninges, and the cortex. Treatment including surgical resection and focal irradiation was not curative and the girl deceased 6 months after initial diagnosis. This report on a patient with AOS and an autosomal-recessive EOGT gene variant dying of a local aggressive cSCC at an ACC lesion shows that close monitoring of ACC is essential.
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Affiliation(s)
- Meyer‐Landolt Lukas
- Division of Pediatric Hematology & Oncology, Department of Pediatrics, InselspitalUniversity Hospital, University of BernBernSwitzerland
| | - Gaspar Harald
- Department of Human Genetics, InselspitalBern University Hospital, University of BernBernSwitzerland,Present address:
Medical Genetics MainzMainzGermany
| | - Javier Sanz
- Department of Human Genetics, InselspitalBern University Hospital, University of BernBernSwitzerland
| | | | - Gallati Sabina
- Department of Human Genetics, InselspitalBern University Hospital, University of BernBernSwitzerland
| | - Rössler Jochen
- Division of Pediatric Hematology & Oncology, Department of Pediatrics, InselspitalUniversity Hospital, University of BernBernSwitzerland
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21
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Althali NJ, Hentges KE. Genetic insights into non-syndromic Tetralogy of Fallot. Front Physiol 2022; 13:1012665. [PMID: 36277185 PMCID: PMC9582763 DOI: 10.3389/fphys.2022.1012665] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2022] [Accepted: 09/13/2022] [Indexed: 10/17/2023] Open
Abstract
Congenital heart defects (CHD) include structural abnormalities of the heart or/and great vessels that are present at birth. CHD affects around 1% of all newborns worldwide. Tetralogy of Fallot (TOF) is the most prevalent cyanotic congenital cardiac abnormality, affecting three out of every 10,000 live infants with a prevalence rate of 5-10% of all congenital cardiac defects. The four hallmark characteristics of TOF are: right ventricular hypertrophy, pulmonary stenosis, ventricular septal defect, and overriding aorta. Approximately 20% of cases of TOF are associated with a known disease or chromosomal abnormality, with the remaining 80% of TOF cases being non-syndromic, with no known aetiology. Relatively few TOF patients have been studied, and little is known about critical causative genes for non-syndromic TOF. However, rare genetic variants have been identified as significant risk factors for CHD, and are likely to cause some cases of TOF. Therefore, this review aims to provide an update on well-characterized genes and the most recent variants identified for non-syndromic TOF.
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Affiliation(s)
- Nouf J. Althali
- Division of Evolution, Infection and Genomics, School of Biological Sciences, Faculty of Biology, Medicine and Health, Manchester Academic Health Sciences Centre, University of Manchester, Manchester, United Kingdom
- Biology Department, Science College, King Khalid University, Abha, Saudi Arabia
| | - Kathryn E. Hentges
- Division of Evolution, Infection and Genomics, School of Biological Sciences, Faculty of Biology, Medicine and Health, Manchester Academic Health Sciences Centre, University of Manchester, Manchester, United Kingdom
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22
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De Zoysa P, Toubat O, Harvey DC, Yi C, Liu J, Cavallero S, Hong YK, Sucov HM, Kumar SR. Delta-like ligand-4 regulates Notch-mediated maturation of second heart field progenitor-derived pharyngeal arterial endothelial cells. J Cell Mol Med 2022; 26:5181-5194. [PMID: 36082581 PMCID: PMC9575135 DOI: 10.1111/jcmm.17542] [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: 06/22/2021] [Revised: 08/02/2022] [Accepted: 08/22/2022] [Indexed: 11/27/2022] Open
Abstract
Mesodermal progenitors in the second heart field (SHF) express Delta‐like‐ligand 4 (Dll4) that regulates Notch‐mediated proliferation. As cells of SHF lineage mature to assume endocardial and myocardial cell fates, we have shown that Dll4 expression is lost, and the subsequent expression of another Notch ligand Jagged1 regulates Notch‐mediated maturation events in the developing heart. A subset of SHF progenitors also matures to form the pharyngeal arch artery (PAA) endothelium. Dll4 was originally identified as an arterial endothelial‐specific Notch ligand that plays an important role in blood vessel maturation, but its role in aortic arch maturation has not been studied to date secondary to the early lethality observed in Dll4 knockout mice. We show that, unlike in SHF‐derived endocardium and myocardium, Dll4 expression persists in SHF‐derived arterial endothelial cells. Using SHF‐specific conditional deletion of Dll4, we demonstrate that as SHF cells transition from their progenitor state to an endothelial fate, Dll4‐mediated Notch signalling switches from providing proliferative to maturation cues. Dll4 expression maintains arterial identity in the PAAs and plays a critical role in the maturation and re‐organization of the 4th pharyngeal arch artery, in particular. Haploinsufficiency of Dll4 in SHF leads to highly penetrant aortic arch artery abnormalities, similar to those observed in the clinic, primarily resulting from aberrant reorganization of bilateral 4th pharyngeal arch arteries. Hence, we show that cells of SHF lineage that assume an arterial endothelial fate continue to express Dll4 and the resulting Dll4‐mediated Notch signalling transitions from an early proliferative to a later maturation role during aortic arch development.
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Affiliation(s)
- Prashan De Zoysa
- Department of Surgery, Keck School of Medicine, University of Southern California, Los Angeles, California, USA
| | - Omar Toubat
- Department of Surgery, Keck School of Medicine, University of Southern California, Los Angeles, California, USA
| | - Drayton C Harvey
- Department of Surgery, Keck School of Medicine, University of Southern California, Los Angeles, California, USA
| | - Christopher Yi
- Department of Surgery, Keck School of Medicine, University of Southern California, Los Angeles, California, USA
| | - Jiang Liu
- Department of Surgery, Keck School of Medicine, University of Southern California, Los Angeles, California, USA
| | - Susana Cavallero
- Division of Cardiology, David Geffen School of Medicine, University of California Los Angeles, Los Angeles, California, USA
| | - Young-Kwon Hong
- Department of Surgery, Keck School of Medicine, University of Southern California, Los Angeles, California, USA
| | - Henry M Sucov
- Department of Regenerative Medicine and Cell Biology, Medical University of South Carolina, Charleston, South Carolina, USA
| | - Subramanyan Ram Kumar
- Department of Surgery, Keck School of Medicine, University of Southern California, Los Angeles, California, USA.,Department of Pediatrics, Keck School of Medicine, University of Southern California, Los Angeles, California, USA
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23
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Hasin N, Riggs LM, Shekhtman T, Ashworth J, Lease R, Oshone RT, Humphries EM, Badner JA, Thomson PA, Glahn DC, Craig DW, Edenberg HJ, Gershon ES, McMahon FJ, Nurnberger JI, Zandi PP, Kelsoe JR, Roach JC, Gould TD, Ament SA. Rare variants implicate NMDA receptor signaling and cerebellar gene networks in risk for bipolar disorder. Mol Psychiatry 2022; 27:3842-3856. [PMID: 35546635 DOI: 10.1038/s41380-022-01609-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/19/2021] [Revised: 04/19/2022] [Accepted: 04/28/2022] [Indexed: 02/08/2023]
Abstract
Bipolar disorder is an often-severe mental health condition characterized by alternation between extreme mood states of mania and depression. Despite strong heritability and the recent identification of 64 common variant risk loci of small effect, pathophysiological mechanisms remain unknown. Here, we analyzed genome sequences from 41 multiply-affected pedigrees and identified variants in 741 genes with nominally significant linkage or association with bipolar disorder. These 741 genes overlapped known risk genes for neurodevelopmental disorders and clustered within gene networks enriched for synaptic and nuclear functions. The top variant in this analysis - prioritized by statistical association, predicted deleteriousness, and network centrality - was a missense variant in the gene encoding D-amino acid oxidase (DAOG131V). Heterologous expression of DAOG131V in human cells resulted in decreased DAO protein abundance and enzymatic activity. In a knock-in mouse model of DAOG131, DaoG130V/+, we similarly found decreased DAO protein abundance in hindbrain regions, as well as enhanced stress susceptibility and blunted behavioral responses to pharmacological inhibition of N-methyl-D-aspartate receptors (NMDARs). RNA sequencing of cerebellar tissue revealed that DaoG130V resulted in decreased expression of two gene networks that are enriched for synaptic functions and for genes expressed, respectively, in Purkinje neurons or granule neurons. These gene networks were also down-regulated in the cerebellum of patients with bipolar disorder compared to healthy controls and were enriched for additional rare variants associated with bipolar disorder risk. These findings implicate dysregulation of NMDAR signaling and of gene expression in cerebellar neurons in bipolar disorder pathophysiology and provide insight into its genetic architecture.
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Affiliation(s)
- Naushaba Hasin
- Institute for Genome Sciences, University of Maryland School of Medicine, Baltimore, MD, USA
| | - Lace M Riggs
- Program in Neuroscience and Training Program in Integrative Membrane Biology, University of Maryland School of Medicine, Baltimore, MD, USA
- Department of Psychiatry, University of Maryland School of Medicine, Baltimore, MD, USA
| | - Tatyana Shekhtman
- Department of Psychiatry, University of California San Diego, La Jolla, CA, USA
| | | | - Robert Lease
- Institute for Genome Sciences, University of Maryland School of Medicine, Baltimore, MD, USA
- Program in Molecular Medicine, University of Maryland School of Medicine, Baltimore, MD, USA
| | - Rediet T Oshone
- Institute for Genome Sciences, University of Maryland School of Medicine, Baltimore, MD, USA
| | - Elizabeth M Humphries
- Institute for Genome Sciences, University of Maryland School of Medicine, Baltimore, MD, USA
- Program in Molecular Epidemiology, University of Maryland School of Medicine, Baltimore, MD, USA
| | - Judith A Badner
- Department of Psychiatry, Rush University Medical College, Chicago, IL, USA
| | - Pippa A Thomson
- Institute of Genetics and Cancer, University of Edinburgh, Edinburgh, Scotland, UK
| | - David C Glahn
- Department of Psychiatry, Boston Children's Hospital, Harvard Medical School, Boston, MA, USA
| | - David W Craig
- Department of Translational Genomics, University of Southern California, Los Angeles, CA, USA
| | - Howard J Edenberg
- Departments of Biochemistry and Molecular Biology and Medical and Molecular Genetics, Indiana University School of Medicine, Indianapolis, IN, USA
| | - Elliot S Gershon
- Departments of Psychiatry and Human Genetics, University of Chicago, Chicago, IL, USA
| | - Francis J McMahon
- Intramural Research Program, National Institute of Mental Health, Bethesda, MD, USA
| | - John I Nurnberger
- Department of Psychiatry, Indiana University School of Medicine, Indianapolis, IN, USA
| | - Peter P Zandi
- Department of Psychiatry and Behavioral Sciences, Johns Hopkins School of Medicine, Baltimore, MD, USA
| | - John R Kelsoe
- Department of Psychiatry, University of California San Diego, La Jolla, CA, USA
| | | | - Todd D Gould
- Department of Psychiatry, University of Maryland School of Medicine, Baltimore, MD, USA
- Departments of Pharmacology and Anatomy and Neurobiology, University of Maryland School of Medicine, Baltimore, MD, USA
- Veterans Affairs Maryland Health Care System, Baltimore, MD, USA
| | - Seth A Ament
- Institute for Genome Sciences, University of Maryland School of Medicine, Baltimore, MD, USA.
- Department of Psychiatry, University of Maryland School of Medicine, Baltimore, MD, USA.
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24
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Helman G, Zarekiani P, Tromp SAM, Andrews A, Botto LD, Bonkowsky JL, Chassevent A, Giorgio E, Pippucci T, Shen W, Smith-Hicks C, Vaula G, Willemsen MAAP, Schimmel M, Vollert K, Shimizu F, Kanda T, Lynch M, Roscioli T, Taft RJ, Simons C, Bugiani M, Kuijpers TW, van der Knaap MS. Heterozygous NOTCH1 variants cause CNS immune activation and microangiopathy. Ann Neurol 2022; 92:895-901. [PMID: 35947102 DOI: 10.1002/ana.26477] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2022] [Revised: 08/06/2022] [Accepted: 08/09/2022] [Indexed: 11/10/2022]
Abstract
NOTCH1 belongs to the NOTCH family of proteins that regulate cell fate and inflammatory responses. Somatic and germline NOTCH1 variants have been implicated in cancer, Adams-Oliver syndrome and cardiovascular defects. We describe seven unrelated patients grouped by the presence of leukoencephalopathy with calcifications and heterozygous de novo gain-of-function variants in NOTCH1. Immunologic profiling showed upregulated CSF IP-10, a cytokine secreted downstream of NOTCH1 signaling. Autopsy revealed extensive leukoencephalopathy and microangiopathy with vascular calcifications. This evidence implicates that heterozygous gain-of-function variants in NOTCH1 lead to a chronic CNS inflammatory response resulting in a calcifying microangiopathy with leukoencephalopathy. This article is protected by copyright. All rights reserved.
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Affiliation(s)
- Guy Helman
- Murdoch Children's Research Institute, The Royal Children's Hospital, Victoria, 3042, Australia.,Institute for Molecular Bioscience, The University of Queensland, Queensland, 4072, Australia
| | - Parand Zarekiani
- Department of Pathology, Amsterdam University Medical Centers, VU University Amsterdam and Amsterdam Neuroscience, Amsterdam, 1081, HV, The Netherlands.,Amsterdam Leukodystrophy Center, Emma Children's Hospital, Amsterdam University Medical Centers, Amsterdam, 1100, DD, The Netherlands
| | - Samantha A M Tromp
- Department of Pediatric Immunology, Rheumatology and Infectious Disease, Emma Children's Hospital, Amsterdam University Medical Centers, Academic Medical Center, University of Amsterdam, Amsterdam, 1100, DD, The Netherlands.,Department of Experimental Immunology, Amsterdam Institute for Infection and Immunity, Amsterdam University Medical Centers, University of Amsterdam, Amsterdam, 1100, DD, The Netherlands
| | - Ashley Andrews
- Division of Medical Genetics, University of Utah, Salt Lake City, UT, 84132, USA
| | - Lorenzo D Botto
- Division of Medical Genetics, University of Utah, Salt Lake City, UT, 84132, USA
| | - Joshua L Bonkowsky
- Division of Pediatric Neurology, Department of Pediatrics, University of Utah, Salt Lake City, UT, 84132, USA
| | - Anna Chassevent
- Division of Neurogenetics, Kennedy Krieger Institute, Baltimore, MD, 21205, USA
| | - Elisa Giorgio
- Department of Molecular Medicine, University of Pavia, Pavia, 27100, Italy.,Medical Genetics Unit, IRCCS Mondino Foundation, Pavia, Italy
| | - Tommaso Pippucci
- U.O. Genetica Medica, IRCCS Azienda Ospedaliero-Universitaria di Bologna, Policlinico di Sant'Orsola, Bologna, 40138, Italy
| | - Wei Shen
- Clinical Genome Sequencing Laboratory, Mayo Clinic, Rochester, MN, 55901, USA
| | - Constance Smith-Hicks
- The Hugo Moser Research Institute at Kennedy Krieger, Baltimore, MD, 21205, USA.,Department of Neurology, Johns Hopkins University School of Medicine, Baltimore, MD, 21205, USA
| | - Giovanna Vaula
- Department of Neuroscience, Azienda Ospedaliera-Universitaria Città della Salute e della Scienza, Turin, 10126, Italy
| | - Michèl A A P Willemsen
- Department of Pediatrics, Amalia Children's Hospital, Radboud University Medical Center, Nijmegen, 6525, GA, The Netherlands
| | - Mareike Schimmel
- Division of Pediatric Neurology, Childrens's Hospital, University Hospital Augsburg, Augsburg, 86156, Germany
| | - Kurt Vollert
- Department of Diagnostic Radiology and Neuroradiology - Pediatric Radiology section, University Hospital Augsburg, Augsburg, 86156, Germany
| | - Fumitaka Shimizu
- Department of Neurology and Clinical Neuroscience, Yamaguchi University Graduate School of Medicine, Ube, 755-0046, Japan
| | - Takashi Kanda
- Department of Neurology and Clinical Neuroscience, Yamaguchi University Graduate School of Medicine, Ube, 755-0046, Japan
| | - Matthew Lynch
- Neurosciences Unit, Queensland Children's Hospital, Brisbane, 4101, Australia.,Queensland Lifespan Metabolic Medicine Service, Queensland Children's Hospital, Brisbane, 4101, Australia
| | - Tony Roscioli
- New South Wales Health Pathology Randwick Genomics Laboratory, Sydney, NSW, Australia.,Centre for Clinical Genetics, Sydney Children's Hospital, Sydney, NSW, Australia.,Neuroscience Research Australia (NeuRA), University of New South Wales, Sydney, NSW, Australia
| | | | - Cas Simons
- Murdoch Children's Research Institute, The Royal Children's Hospital, Victoria, 3042, Australia.,Institute for Molecular Bioscience, The University of Queensland, Queensland, 4072, Australia
| | - Marianna Bugiani
- Department of Pathology, Amsterdam University Medical Centers, VU University Amsterdam and Amsterdam Neuroscience, Amsterdam, 1081, HV, The Netherlands.,Amsterdam Leukodystrophy Center, Emma Children's Hospital, Amsterdam University Medical Centers, Amsterdam, 1100, DD, The Netherlands
| | - Taco W Kuijpers
- Department of Pediatric Immunology, Rheumatology and Infectious Disease, Emma Children's Hospital, Amsterdam University Medical Centers, Academic Medical Center, University of Amsterdam, Amsterdam, 1100, DD, The Netherlands.,Department of Experimental Immunology, Amsterdam Institute for Infection and Immunity, Amsterdam University Medical Centers, University of Amsterdam, Amsterdam, 1100, DD, The Netherlands
| | - Marjo S van der Knaap
- Amsterdam Leukodystrophy Center, Emma Children's Hospital, Amsterdam University Medical Centers, Amsterdam, 1100, DD, The Netherlands.,Department of Child Neurology, Emma Children's Hospital, Amsterdam University Medical Centers, VU University Amsterdam and Amsterdam Neuroscience, Amsterdam, 1081, HV, The Netherlands.,Department of Functional Genomics, Center for Neurogenomics and Cognitive Research, VU University, Amsterdam, 1081, HV, The Netherlands
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25
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Debiec RM, Hamby SE, Jones PD, Safwan K, Sosin M, Hetherington SL, Sprigings D, Sharman D, Lee K, Salahshouri P, Wheeldon N, Chukwuemeka A, Boutziouka V, Elamin M, Coolman S, Asiani M, Kharodia S, Skinner GJ, Samani NJ, Webb TR, Bolger AP. Contribution of NOTCH1 genetic variants to bicuspid aortic valve and other congenital lesions. Heart 2022; 108:1114-1120. [PMID: 35288444 PMCID: PMC9240330 DOI: 10.1136/heartjnl-2021-320428] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/10/2021] [Accepted: 01/18/2022] [Indexed: 12/05/2022] Open
Abstract
INTRODUCTION Bicuspid aortic valve (BAV) affects 1% of the general population. NOTCH1 was the first gene associated with BAV. The proportion of familial and sporadic BAV disease attributed to NOTCH1 mutations has not been estimated. AIM The aim of our study was to provide an estimate of familial and sporadic BAV disease attributable to NOTCH1 mutations. METHODS The population of our study consisted of participants of the University of Leicester Bicuspid aoRtic vAlVe gEnetic research-8 pedigrees with multiple affected family members and 381 sporadic patients. All subjects underwent NOTCH1 sequencing. A systematic literature search was performed in the NCBI PubMed database to identify publications reporting NOTCH1 sequencing in context of congenital heart disease. RESULTS NOTCH1 sequencing in 36 subjects from 8 pedigrees identified one variant c.873C>G/p.Tyr291* meeting the American College of Medical Genetics and Genomics criteria for pathogenicity. No pathogenic or likely pathogenic NOTCH1 variants were identified in 381 sporadic patients. Literature review identified 64 relevant publication reporting NOTCH1 sequencing in 528 pedigrees and 9449 sporadic subjects. After excluding families with syndromic disease pathogenic and likely pathogenic NOTCH1 variants were detected in 9/435 (2.1%; 95% CI: 0.7% to 3.4%) of pedigrees and between 0.05% (95% CI: 0.005% to 0.10%) and 0.08% (95% CI: 0.02% to 0.13%) of sporadic patients. Incomplete penetrance of definitely pathogenic NOTCH1 mutations was observed in almost half of reported pedigrees. CONCLUSIONS Pathogenic and likely pathogenic NOTCH1 genetic variants explain 2% of familial and <0.1% of sporadic BAV disease and are more likely to associate with tetralogy of Fallot and hypoplastic left heart.
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Affiliation(s)
- Radoslaw Marek Debiec
- Department of Cardiovascular Sciences and NIHR Leicester Biomedical Research Centre, University of Leicester, College of Medicine Biological Sciences and Psychology, Leicester, UK .,East Midlands Congenital Heart Centre, Glenfield Hospital, University Hospitals of Leicester NHS Trust, Leicester, UK
| | - Stephen E Hamby
- Department of Cardiovascular Sciences and NIHR Leicester Biomedical Research Centre, University of Leicester, College of Medicine Biological Sciences and Psychology, Leicester, UK
| | - Peter D Jones
- Department of Cardiovascular Sciences and NIHR Leicester Biomedical Research Centre, University of Leicester, College of Medicine Biological Sciences and Psychology, Leicester, UK
| | - Kassem Safwan
- Department of Cardiology, University Hospitals of Leicester NHS Trust, Leicester, UK
| | - Michael Sosin
- Department of Cardiology, Nottingham University Hospitals NHS Trust, Nottingham, UK
| | - Simon Lee Hetherington
- Department of Cardiology, Kettering General Hospital NHS Foundation Trust, Kettering, UK
| | - David Sprigings
- Department fo Cardiology, Northampton General Hospital NHS Trust, Northampton, UK
| | - David Sharman
- Department fo Cardiology, Northampton General Hospital NHS Trust, Northampton, UK
| | - Kelvin Lee
- Lincolnshire Heart Centre, United Lincolnshire Hospitals NHS Trust, Lincoln, UK
| | - Pegah Salahshouri
- Department of Cardiology, West Suffolk NHS Foundation Trust, Bury Saint Edmunds, UK
| | - Nigel Wheeldon
- Cardiothoracic Centre, Northern General Hospital, Sheffield Teaching Hospitals NHS Trust, Sheffield, UK
| | - Andrew Chukwuemeka
- Departments of Cardiac Surgery and Cardiology, Hammersmith Hospital, Imperial College Healthcare NHS Trust, London, UK
| | - Vasiliki Boutziouka
- Department of Cardiovascular Sciences and NIHR Leicester Biomedical Research Centre, University of Leicester, College of Medicine Biological Sciences and Psychology, Leicester, UK
| | - Mohamed Elamin
- The Heart Centre, Royal Derby Hospital, University Hospitals of Derby and Burton NHS Foundation Trust, Derby, UK
| | - Sue Coolman
- Department of Cardiovascular Sciences and NIHR Leicester Biomedical Research Centre, University of Leicester, College of Medicine Biological Sciences and Psychology, Leicester, UK
| | - Manish Asiani
- Department of Cardiovascular Sciences and NIHR Leicester Biomedical Research Centre, University of Leicester, College of Medicine Biological Sciences and Psychology, Leicester, UK
| | - Shireen Kharodia
- Department of Cardiovascular Sciences and NIHR Leicester Biomedical Research Centre, University of Leicester, College of Medicine Biological Sciences and Psychology, Leicester, UK
| | - Gregory J Skinner
- East Midlands Congenital Heart Centre, Glenfield Hospital, University Hospitals of Leicester NHS Trust, Leicester, UK
| | - Nilesh J Samani
- Department of Cardiovascular Sciences and NIHR Leicester Biomedical Research Centre, University of Leicester, College of Medicine Biological Sciences and Psychology, Leicester, UK
| | - Tom R Webb
- Department of Cardiovascular Sciences and NIHR Leicester Biomedical Research Centre, University of Leicester, College of Medicine Biological Sciences and Psychology, Leicester, UK
| | - Aidan P Bolger
- Department of Cardiovascular Sciences and NIHR Leicester Biomedical Research Centre, University of Leicester, College of Medicine Biological Sciences and Psychology, Leicester, UK,East Midlands Congenital Heart Centre, Glenfield Hospital, University Hospitals of Leicester NHS Trust, Leicester, UK
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26
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Vujovic F, Hunter N, Farahani RM. Notch ankyrin domain: evolutionary rise of a thermodynamic sensor. Cell Commun Signal 2022; 20:66. [PMID: 35585601 PMCID: PMC9118731 DOI: 10.1186/s12964-022-00886-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2022] [Accepted: 04/21/2022] [Indexed: 12/19/2022] Open
Abstract
Notch signalling pathway plays a key role in metazoan biology by contributing to resolution of binary decisions in the life cycle of cells during development. Outcomes such as proliferation/differentiation dichotomy are resolved by transcriptional remodelling that follows a switch from Notchon to Notchoff state, characterised by dissociation of Notch intracellular domain (NICD) from DNA-bound RBPJ. Here we provide evidence that transitioning to the Notchoff state is regulated by heat flux, a phenomenon that aligns resolution of fate dichotomies to mitochondrial activity. A combination of phylogenetic analysis and computational biochemistry was utilised to disclose structural adaptations of Notch1 ankyrin domain that enabled function as a sensor of heat flux. We then employed DNA-based micro-thermography to measure heat flux during brain development, followed by analysis in vitro of the temperature-dependent behaviour of Notch1 in mouse neural progenitor cells. The structural capacity of NICD to operate as a thermodynamic sensor in metazoans stems from characteristic enrichment of charged acidic amino acids in β-hairpins of the ankyrin domain that amplify destabilising inter-residue electrostatic interactions and render the domain thermolabile. The instability emerges upon mitochondrial activity which raises the perinuclear and nuclear temperatures to 50 °C and 39 °C, respectively, leading to destabilization of Notch1 transcriptional complex and transitioning to the Notchoff state. Notch1 functions a metazoan thermodynamic sensor that is switched on by intercellular contacts, inputs heat flux as a proxy for mitochondrial activity in the Notchon state via the ankyrin domain and is eventually switched off in a temperature-dependent manner. Video abstract
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Affiliation(s)
- Filip Vujovic
- IDR/Westmead Institute for Medical Research, Westmead, NSW, 2145, Australia.,School of Medical Sciences, Faculty of Medicine and Health, University of Sydney, Sydney, NSW, 2006, Australia
| | - Neil Hunter
- IDR/Westmead Institute for Medical Research, Westmead, NSW, 2145, Australia
| | - Ramin M Farahani
- IDR/Westmead Institute for Medical Research, Westmead, NSW, 2145, Australia. .,School of Medical Sciences, Faculty of Medicine and Health, University of Sydney, Sydney, NSW, 2006, Australia.
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27
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O'Hare M, Arboleda-Velasquez JF. Notch Signaling in Vascular Endothelial and Mural Cell Communications. Cold Spring Harb Perspect Med 2022; 12:a041159. [PMID: 35534207 PMCID: PMC9435572 DOI: 10.1101/cshperspect.a041159] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
The Notch signaling pathway is a highly versatile and evolutionarily conserved mechanism with an important role in cell fate determination. Notch signaling plays a vital role in vascular development, regulating several fundamental processes such as angiogenesis, arterial/venous differentiation, and mural cell investment. Aberrant Notch signaling can result in severe vascular phenotypes as observed in cerebral autosomal-dominant arteriopathy with subcortical infarcts and leukoencephalopathy (CADASIL) and Alagille syndrome. It is known that vascular endothelial cells and mural cells interact to regulate vessel formation, cell maturation, and stability of the vascular network. Defective endothelial-mural cell interactions are a common phenotype in diseases characterized by impaired vascular integrity. Further refinement of the role of Notch signaling in the vascular junctions will be critical to attempts to modulate Notch in the context of human vascular disease. In this review, we aim to consolidate and summarize our current understanding of Notch signaling in the vascular endothelial and mural cells during development and in the adult vasculature.
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Affiliation(s)
- Michael O'Hare
- Department of Ophthalmology at Harvard Medical School, Schepens Eye Research Institute of Mass Eye and Ear, Boston, Massachusetts 02114, USA
| | - Joseph F Arboleda-Velasquez
- Department of Ophthalmology at Harvard Medical School, Schepens Eye Research Institute of Mass Eye and Ear, Boston, Massachusetts 02114, USA
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28
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Feulner L, van Vliet PP, Puceat M, Andelfinger G. Endocardial Regulation of Cardiac Development. J Cardiovasc Dev Dis 2022; 9:jcdd9050122. [PMID: 35621833 PMCID: PMC9144171 DOI: 10.3390/jcdd9050122] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2022] [Revised: 03/31/2022] [Accepted: 04/07/2022] [Indexed: 01/16/2023] Open
Abstract
The endocardium is a specialized form of endothelium that lines the inner side of the heart chambers and plays a crucial role in cardiac development. While comparatively less studied than other cardiac cell types, much progress has been made in understanding the regulation of and by the endocardium over the past two decades. In this review, we will summarize what is currently known regarding endocardial origin and development, the relationship between endocardium and other cardiac cell types, and the various lineages that endocardial cells derive from and contribute to. These processes are driven by key molecular mechanisms such as Notch and BMP signaling. These pathways in particular have been well studied, but other signaling pathways and mechanical cues also play important roles. Finally, we will touch on the contribution of stem cell modeling in combination with single cell sequencing and its potential translational impact for congenital heart defects such as bicuspid aortic valves and hypoplastic left heart syndrome. The detailed understanding of cellular and molecular processes in the endocardium will be vital to further develop representative stem cell-derived models for disease modeling and regenerative medicine in the future.
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Affiliation(s)
- Lara Feulner
- Cardiovascular Genetics, CHU Sainte-Justine Research Centre, Montreal, QC H3T 1C5, Canada; (L.F.); (P.P.v.V.)
- Department of Molecular Biology, University of Montreal, Montreal, QC H3T 1J4, Canada
| | - Patrick Piet van Vliet
- Cardiovascular Genetics, CHU Sainte-Justine Research Centre, Montreal, QC H3T 1C5, Canada; (L.F.); (P.P.v.V.)
- LIA (International Associated Laboratory) CHU Sainte-Justine, Montreal, QC H3T 1C5, Canada;
- LIA (International Associated Laboratory) INSERM, 13885 Marseille, France
| | - Michel Puceat
- LIA (International Associated Laboratory) CHU Sainte-Justine, Montreal, QC H3T 1C5, Canada;
- LIA (International Associated Laboratory) INSERM, 13885 Marseille, France
- INSERM U-1251, Marseille Medical Genetics, Aix-Marseille University, 13885 Marseille, France
| | - Gregor Andelfinger
- Cardiovascular Genetics, CHU Sainte-Justine Research Centre, Montreal, QC H3T 1C5, Canada; (L.F.); (P.P.v.V.)
- Department of Biochemistry and Molecular Medicine, University of Montreal, Montreal, QC H3T 1J4, Canada
- Department of Pediatrics, University of Montreal, Montreal, QC H3T 1J4, Canada
- Department of Biochemistry, University of Montreal, Montreal, QC H3T 1J4, Canada
- Correspondence:
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29
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Notch signaling pathway: architecture, disease, and therapeutics. Signal Transduct Target Ther 2022; 7:95. [PMID: 35332121 PMCID: PMC8948217 DOI: 10.1038/s41392-022-00934-y] [Citation(s) in RCA: 316] [Impact Index Per Article: 158.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2021] [Revised: 02/16/2022] [Accepted: 02/16/2022] [Indexed: 02/07/2023] Open
Abstract
The NOTCH gene was identified approximately 110 years ago. Classical studies have revealed that NOTCH signaling is an evolutionarily conserved pathway. NOTCH receptors undergo three cleavages and translocate into the nucleus to regulate the transcription of target genes. NOTCH signaling deeply participates in the development and homeostasis of multiple tissues and organs, the aberration of which results in cancerous and noncancerous diseases. However, recent studies indicate that the outcomes of NOTCH signaling are changeable and highly dependent on context. In terms of cancers, NOTCH signaling can both promote and inhibit tumor development in various types of cancer. The overall performance of NOTCH-targeted therapies in clinical trials has failed to meet expectations. Additionally, NOTCH mutation has been proposed as a predictive biomarker for immune checkpoint blockade therapy in many cancers. Collectively, the NOTCH pathway needs to be integrally assessed with new perspectives to inspire discoveries and applications. In this review, we focus on both classical and the latest findings related to NOTCH signaling to illustrate the history, architecture, regulatory mechanisms, contributions to physiological development, related diseases, and therapeutic applications of the NOTCH pathway. The contributions of NOTCH signaling to the tumor immune microenvironment and cancer immunotherapy are also highlighted. We hope this review will help not only beginners but also experts to systematically and thoroughly understand the NOTCH signaling pathway.
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30
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Wang S, Zhu G, Jiang D, Rhen J, Li X, Liu H, Lyu Y, Tsai P, Rose Y, Nguyen T, White RJ, Pryhuber GS, Mariani TJ, Li C, Mohan A, Xu Y, Pang J. Reduced Notch1 Cleavage Promotes the Development of Pulmonary Hypertension. Hypertension 2022; 79:79-92. [PMID: 34739767 PMCID: PMC8665100 DOI: 10.1161/hypertensionaha.120.16065] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
Clinical trials of Dll4 (Delta-like 4) neutralizing antibodies (Dll4nAbs) in cancer patients are ongoing. Surprisingly, pulmonary hypertension (PH) occurs in 14% to 18% of patients treated with Dll4nAbs, but the mechanisms have not been studied. Here, PH progression was measured in mice treated with Dll4nAbs. We detected Notch signaling in lung tissues and analyzed pulmonary vascular permeability and inflammation. Notch target gene array was performed on adult human pulmonary microvascular endothelial cells (ECs) after inhibiting Notch cleavage. Similar mechanisms were studied in PH mouse models and pulmonary arterial hypertension patients. The rescue effects of constitutively activated Notch1 in vivo were also measured. We observed that Dll4nAbs induced PH in mice as indicated by significantly increased right ventricular systolic pressure, as well as pulmonary vascular and right ventricular remodeling. Mechanistically, Dll4nAbs inhibited Notch1 cleavage and subsequently impaired lung endothelial barrier function and increased immune cell infiltration in vessel walls. In vitro, Notch targeted genes' expression related to cell growth and inflammation was decreased in human pulmonary microvascular ECs after the Notch1 inactivation. In lungs of PH mouse models and pulmonary arterial hypertension patients, Notch1 cleavage was inhibited. Consistently, EC cell-cell junction was leaky, and immune cell infiltration increased in PH mouse models. Overexpression activated Notch1-attenuated progression of PH in mice. In conclusion, Dll4nAbs led to PH development in mice by impaired EC barrier function and increased immune cell infiltration through inhibition of Notch1 cleavage in lung ECs. Reduced Notch1 cleavage in lung ECs could be an underlying mechanism of PH pathogenesis.
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Affiliation(s)
- Shumin Wang
- Aab Cardiovascular Research Institute and Department of Medicine, University of Rochester School of Medicine and Dentistry, Rochester, NY 14642, USA
| | - Guofu Zhu
- Department of Cardiology, Pan-Vascular Research Institute, Shanghai Tenth People’s Hospital, Tongji University School of Medicine, Shanghai 200072, China
| | - Dongyang Jiang
- Department of Cardiology, Pan-Vascular Research Institute, Shanghai Tenth People’s Hospital, Tongji University School of Medicine, Shanghai 200072, China
| | - Jordan Rhen
- Aab Cardiovascular Research Institute and Department of Medicine, University of Rochester School of Medicine and Dentistry, Rochester, NY 14642, USA
| | - Xiankai Li
- Department of Cardiology, Pan-Vascular Research Institute, Shanghai Tenth People’s Hospital, Tongji University School of Medicine, Shanghai 200072, China
| | - Hao Liu
- Department of Cardiology, Pan-Vascular Research Institute, Shanghai Tenth People’s Hospital, Tongji University School of Medicine, Shanghai 200072, China
| | - Yuyan Lyu
- Department of Cardiology, Pan-Vascular Research Institute, Shanghai Tenth People’s Hospital, Tongji University School of Medicine, Shanghai 200072, China
| | - Patrick Tsai
- Department of Neurobiology, Physiology and Behavior, University of California, Davis, CA, USA
| | - Yara Rose
- Aab Cardiovascular Research Institute and Department of Medicine, University of Rochester School of Medicine and Dentistry, Rochester, NY 14642, USA
| | - Tiffany Nguyen
- Aab Cardiovascular Research Institute and Department of Medicine, University of Rochester School of Medicine and Dentistry, Rochester, NY 14642, USA
| | - R. James White
- Aab Cardiovascular Research Institute and Department of Medicine, University of Rochester School of Medicine and Dentistry, Rochester, NY 14642, USA
- Department of Pulmonary and Critical Care Medicine, University of Rochester, Rochester, NY, USA
| | - Gloria S. Pryhuber
- Division of Neonatology, University of Rochester Medical Center, Rochester, NY, USA
| | - Thomas J. Mariani
- Division of Neonatology, University of Rochester Medical Center, Rochester, NY, USA
- Center for Pediatric Biomedical Research, University of Rochester Medical Center, Rochester, NY, USA
| | - Chen Li
- Department of Pharmacology and Physiology, University of Rochester, Rochester, NY, USA
| | - Amy Mohan
- Aab Cardiovascular Research Institute and Department of Medicine, University of Rochester School of Medicine and Dentistry, Rochester, NY 14642, USA
| | - Yawei Xu
- Department of Cardiology, Pan-Vascular Research Institute, Shanghai Tenth People’s Hospital, Tongji University School of Medicine, Shanghai 200072, China
| | - Jinjiang Pang
- Aab Cardiovascular Research Institute and Department of Medicine, University of Rochester School of Medicine and Dentistry, Rochester, NY 14642, USA
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31
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Yasuhara J, Garg V. Genetics of congenital heart disease: a narrative review of recent advances and clinical implications. Transl Pediatr 2021; 10:2366-2386. [PMID: 34733677 PMCID: PMC8506053 DOI: 10.21037/tp-21-297] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/30/2021] [Accepted: 08/20/2021] [Indexed: 12/23/2022] Open
Abstract
Congenital heart disease (CHD) is the most common human birth defect and remains a leading cause of mortality in childhood. Although advances in clinical management have improved the survival of children with CHD, adult survivors commonly experience cardiac and non-cardiac comorbidities, which affect quality of life and prognosis. Therefore, the elucidation of genetic etiologies of CHD not only has important clinical implications for genetic counseling of patients and families but may also impact clinical outcomes by identifying at-risk patients. Recent advancements in genetic technologies, including massively parallel sequencing, have allowed for the discovery of new genetic etiologies for CHD. Although variant prioritization and interpretation of pathogenicity remain challenges in the field of CHD genomics, advances in single-cell genomics and functional genomics using cellular and animal models of CHD have the potential to provide novel insights into the underlying mechanisms of CHD and its associated morbidities. In this review, we provide an updated summary of the established genetic contributors to CHD and discuss recent advances in our understanding of the genetic architecture of CHD along with current challenges with the interpretation of genetic variation. Furthermore, we highlight the clinical implications of genetic findings to predict and potentially improve clinical outcomes in patients with CHD.
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Affiliation(s)
- Jun Yasuhara
- Center for Cardiovascular Research, Abigail Wexner Research Institute, Nationwide Children's Hospital, Columbus, Ohio, USA.,Heart Center, Nationwide Children's Hospital, Columbus, Ohio, USA
| | - Vidu Garg
- Center for Cardiovascular Research, Abigail Wexner Research Institute, Nationwide Children's Hospital, Columbus, Ohio, USA.,Heart Center, Nationwide Children's Hospital, Columbus, Ohio, USA.,Department of Pediatrics, The Ohio State University, Columbus, Ohio, USA.,Department of Molecular Genetics, The Ohio State University, Columbus, Ohio, USA
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32
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Ng HL, Quail E, Cruickshank MN, Ulgiati D. To Be, or Notch to Be: Mediating Cell Fate from Embryogenesis to Lymphopoiesis. Biomolecules 2021; 11:biom11060849. [PMID: 34200313 PMCID: PMC8227657 DOI: 10.3390/biom11060849] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2021] [Revised: 05/29/2021] [Accepted: 06/04/2021] [Indexed: 12/11/2022] Open
Abstract
Notch signaling forms an evolutionarily conserved juxtacrine pathway crucial for cellular development. Initially identified in Drosophila wing morphogenesis, Notch signaling has since been demonstrated to play pivotal roles in governing mammalian cellular development in a large variety of cell types. Indeed, abolishing Notch constituents in mouse models result in embryonic lethality, demonstrating that Notch signaling is critical for development and differentiation. In this review, we focus on the crucial role of Notch signaling in governing embryogenesis and differentiation of multiple progenitor cell types. Using hematopoiesis as a diverse cellular model, we highlight the role of Notch in regulating the cell fate of common lymphoid progenitors. Additionally, the influence of Notch through microenvironment interplay with lymphoid cells and how dysregulation influences disease processes is explored. Furthermore, bi-directional and lateral Notch signaling between ligand expressing source cells and target cells are investigated, indicating potentially novel therapeutic options for treatment of Notch-mediated diseases. Finally, we discuss the role of cis-inhibition in regulating Notch signaling in mammalian development.
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Affiliation(s)
- Han Leng Ng
- Centre for Haematology, Department of Immunology and Inflammation, Faculty of Medicine, Imperial College London, Du Cane Road, London W12 0NN, UK;
- School of Biomedical Sciences, The University of Western Australia, 35 Stirling Highway, Crawley, WA 6009, Australia; (E.Q.); (M.N.C.)
| | - Elizabeth Quail
- School of Biomedical Sciences, The University of Western Australia, 35 Stirling Highway, Crawley, WA 6009, Australia; (E.Q.); (M.N.C.)
- School of Molecular Sciences, The University of Western Australia, 35 Stirling Highway, Crawley, WA 6009, Australia
| | - Mark N. Cruickshank
- School of Biomedical Sciences, The University of Western Australia, 35 Stirling Highway, Crawley, WA 6009, Australia; (E.Q.); (M.N.C.)
| | - Daniela Ulgiati
- School of Biomedical Sciences, The University of Western Australia, 35 Stirling Highway, Crawley, WA 6009, Australia; (E.Q.); (M.N.C.)
- Correspondence: ; Tel.: +61-8-6457-1076
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33
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De Zoysa P, Toubat O, Harvey D, Choi J, Kumar SR. Murine Model of Cardiac Defects Observed in Adams-Oliver Syndrome Driven by Delta-Like Ligand-4 Haploinsufficiency. Stem Cells Dev 2021; 30:611-621. [PMID: 33899511 DOI: 10.1089/scd.2021.0058] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022] Open
Abstract
Heterozygous loss-of-function mutation in Delta-like ligand-4 (Dll4) is an important cause of Adams-Oliver syndrome (AOS). Cardiac defects, in particular outflow tract (OFT) alignment defects, are observed in about one-fourth of patients with this syndrome. The mechanism underlying this genotype-phenotype correlation has not yet been established. Dll4-mediated Notch signaling is known to play a crucial role in second heart field (SHF) progenitor cell proliferation. We hypothesized that the depletion of the SHF progenitor pool of cells due to partial loss of Dll4 is responsible for the OFT alignment defects seen in AOS. To demonstrate this, we studied Dll4 expression by murine SHF progenitor cells around E9.5, a crucial time-point in SHF biology. We used SHF-specific (Islet1-Cre) conditional knockout of Dll4 to bypass the early embryonic lethality seen in global Dll4 heterozygotes. Dll4-mediated Notch signaling is critically required for SHF proliferation such that Dll4 knockout results in a 33% reduction in proliferation and a fourfold increase in apoptosis in SHF cells, leading to a 56% decline in the size of the SHF progenitor pool. A reduction in SHF cells available for incorporation into the developing heart leads to underdevelopment of the SHF-derived right ventricle and OFT. Similar to the clinical syndrome, 32% of SHF-specific Dll4 heterozygotes demonstrate foreshortened and misaligned OFT, resulting in a double outlet right ventricle. Our murine model provides a molecular mechanism to explain the cardiac defects observed in AOS and establishes a novel clinical role for Dll4-mediated Notch signaling in SHF progenitor biology.
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Affiliation(s)
- Prashan De Zoysa
- Department of Surgery, Keck School of Medicine, University of Southern California, Los Angeles, Los Angeles, California, USA
| | - Omar Toubat
- Department of Surgery, Keck School of Medicine, University of Southern California, Los Angeles, Los Angeles, California, USA
| | - Drayton Harvey
- Department of Surgery, Keck School of Medicine, University of Southern California, Los Angeles, Los Angeles, California, USA
| | - Jongkyu Choi
- Department of Surgery, Keck School of Medicine, University of Southern California, Los Angeles, Los Angeles, California, USA.,Department of Medicine, and Keck School of Medicine, University of Southern California, Los Angeles, Los Angeles, California, USA
| | - S Ram Kumar
- Department of Surgery, Keck School of Medicine, University of Southern California, Los Angeles, Los Angeles, California, USA.,Department of Pediatrics, Keck School of Medicine, University of Southern California, Los Angeles, Los Angeles, California, USA
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34
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Roifman M, Chung BHY, Reid DM, Teitelbaum R, Martin N, Nield LE, Thompson M, Shannon P, Chitayat D. Heterozygous NOTCH1 deletion associated with variable congenital heart defects. Clin Genet 2021; 99:836-841. [PMID: 33630301 DOI: 10.1111/cge.13948] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2020] [Revised: 02/03/2021] [Accepted: 02/20/2021] [Indexed: 01/03/2023]
Abstract
Pathogenic heterozygous variants in the NOTCH1 gene are known to be associated with both left and right-sided congenital cardiac anomalies with strikingly incomplete penetrance and variable phenotypic expressivity. De novo NOTCH1 whole gene deletion has been reported rarely in the literature and its association with cardiac defects is less well established. Here, we report four cases of NOTCH1 gene deletion from two families associated with a spectrum of congenital heart defects from bicuspid aortic valve to complex cardiac anomalies. This is the first description of a familial NOTCH1 deletion, showing apparently high penetrance, which may be unique to this mechanism of disease. Immunohistochemical staining of cardiac tissue demonstrated reduced levels of NOTCH1 expression in both the left and right ventricular outflow tracts. These cases suggest that haploinsufficiency caused by NOTCH1 gene deletion is associated with both mild and severe cardiac defects, similar to those caused by pathogenic variants in the gene, but with apparently higher, if not complete, penetrance.
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Affiliation(s)
- Maian Roifman
- The Prenatal Diagnosis and Medical Genetics Program, Department of Obstetrics and Gynaecology, Mount Sinai Hospital, University of Toronto, Toronto, Ontario, Canada.,Division of Clinical and Metabolic Genetics, Department of Paediatrics, The Hospital for Sick Children, University of Toronto, Toronto, Ontario, Canada
| | - Brian Hon Yin Chung
- The Prenatal Diagnosis and Medical Genetics Program, Department of Obstetrics and Gynaecology, Mount Sinai Hospital, University of Toronto, Toronto, Ontario, Canada.,Department of Paediatrics and Adolescent Medicine LKS Faculty of Medicine, The University of Hong Kong, Hong Kong, China
| | - Diane Myles Reid
- The Prenatal Diagnosis and Medical Genetics Program, Department of Obstetrics and Gynaecology, Mount Sinai Hospital, University of Toronto, Toronto, Ontario, Canada
| | - Ronni Teitelbaum
- The Prenatal Diagnosis and Medical Genetics Program, Department of Obstetrics and Gynaecology, Mount Sinai Hospital, University of Toronto, Toronto, Ontario, Canada
| | - Nicole Martin
- The Prenatal Diagnosis and Medical Genetics Program, Department of Obstetrics and Gynaecology, Mount Sinai Hospital, University of Toronto, Toronto, Ontario, Canada
| | - Lynne E Nield
- Division of Cardiology, Department of Paediatrics, The Hospital for Sick Children, University of Toronto, Toronto, Ontario, Canada
| | - Megan Thompson
- Department of Pathology and Laboratory Medicine, Mount Sinai Hospital, University of Toronto, Toronto, Ontario, Canada.,Department of Fetal Pathology, Kaiser Permanente Oakland Medical Center, Oakland, California, USA
| | - Patrick Shannon
- Department of Pathology and Laboratory Medicine, Mount Sinai Hospital, University of Toronto, Toronto, Ontario, Canada
| | - David Chitayat
- The Prenatal Diagnosis and Medical Genetics Program, Department of Obstetrics and Gynaecology, Mount Sinai Hospital, University of Toronto, Toronto, Ontario, Canada.,Division of Clinical and Metabolic Genetics, Department of Paediatrics, The Hospital for Sick Children, University of Toronto, Toronto, Ontario, Canada
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35
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Tao Z, Bu S, Lu F. Two AOS genes attributed to familial exudative vitreoretinopathy with microcephaly: Two case reports. Medicine (Baltimore) 2021; 100:e24633. [PMID: 33655927 PMCID: PMC7939203 DOI: 10.1097/md.0000000000024633] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/10/2020] [Accepted: 01/15/2021] [Indexed: 02/05/2023] Open
Abstract
RATIONALE Familial exudative vitreoretinopathy (FEVR) is an inherited disorder, which is mostly reported to be associated with the mutation of genes involved in the Wnt signaling pathway related to β-catenin. To the best of our knowledge, the involvement of Adams-Oliver syndrome (AOS) genes in FEVR patients have not been reported before. PATIENT CONCERNS Two patients with FEVR presented with microcephaly. One of them showed slight scarring of the scalp vertex which is a typical manifestation of AOS. The whole exon sequencing confirmed the diagnosis of AOS with 2 AOS-gene mutations at DOCK6 and ARHGAP31. Further clinical examination revealed that their parents with the same mutations showed FEVR-like vascular anomalies. DIAGNOSIS Both patients were diagnosed with AOS through whole exon sequencing, and they presented with some FEVR-like retinopathy including retinal detachment. INTERVENTIONS Both patients received vitrectomy for tractional retinal detachment with proliferative vitreoretinopathy. During the follow-up, 1 patient received additional laser photocoagulation for tractional retinal detachment. OUTCOMES The 2 patients remained stable in the latest follow up after the treatment. LESSONS Microcephaly could be associated with some form of retinopathy. We proposed that mutation of DOCK6 and ARHGAP31 genes could be the possible cause of FEVR associated with microcephaly. Our study suggested that these genes may be candidate genes of FEVR.
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Affiliation(s)
- Zhiyan Tao
- Department of Ophthalmology, West China Hospital, Sichuan University, Chengdu, Sichuan Province
| | - Shaochong Bu
- Tianjin Medical University Eye Hospital and Eye Institute, Tianjin, China
| | - Fang Lu
- Department of Ophthalmology, West China Hospital, Sichuan University, Chengdu, Sichuan Province
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36
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Ristori T, Sjöqvist M, Sahlgren CM. Ex Vivo Models to Decipher the Molecular Mechanisms of Genetic Notch Cardiovascular Disorders. Tissue Eng Part C Methods 2021; 27:167-176. [PMID: 33403934 PMCID: PMC7984653 DOI: 10.1089/ten.tec.2020.0327] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2020] [Accepted: 01/04/2020] [Indexed: 12/13/2022] Open
Abstract
Notch is an evolutionary, conserved, cell-cell signaling pathway that is central to several biological processes, from tissue morphogenesis to homeostasis. It is therefore not surprising that several genetic mutations of Notch components cause inherited human diseases, especially cardiovascular disorders. Despite numerous efforts, current in vivo models are still insufficient to unravel the underlying mechanisms of these pathologies, hindering the development of utmost needed medical therapies. In this perspective review, we discuss the limitations of current murine models and outline how the combination of microphysiological systems (MPSs) and targeted computational models can lead to breakthroughs in this field. In particular, while MPSs enable the experimentation on human cells in controlled and physiological environments, in silico models can provide a versatile tool to translate the in vitro findings to the more complex in vivo setting. As a showcase example, we focus on Notch-related cardiovascular diseases, such as Alagille syndrome, Adams-Oliver syndrome, and cerebral autosomal dominant arteriopathy with subcortical infarcts and leukoencephalopathy (CADASIL). Impact statement In this review, a comprehensive overview of the limitations of current in vivo models of genetic Notch cardiovascular diseases is provided, followed by a discussion over the potential of microphysiological systems and computational models in overcoming these limitations and in potentiating drug testing and modeling of these pathologies.
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Affiliation(s)
- Tommaso Ristori
- Department of Biomedical Engineering, Technical University of Eindhoven, Eindhoven, The Netherlands
- Institute for Complex Molecular Systems, Eindhoven University of Technology, Eindhoven, The Netherlands
- Department of Biomedical Engineering, Boston University, Boston, Massachusetts, USA
| | - Marika Sjöqvist
- Faculty of Science and Engineering, Biosciences, Åbo Akademi University, Turku, Finland
- Turku Bioscience Centre, Åbo Akademi University and University of Turku, Turku, Finland
| | - Cecilia M. Sahlgren
- Department of Biomedical Engineering, Technical University of Eindhoven, Eindhoven, The Netherlands
- Institute for Complex Molecular Systems, Eindhoven University of Technology, Eindhoven, The Netherlands
- Faculty of Science and Engineering, Biosciences, Åbo Akademi University, Turku, Finland
- Turku Bioscience Centre, Åbo Akademi University and University of Turku, Turku, Finland
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37
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Relevance of Notch Signaling for Bone Metabolism and Regeneration. Int J Mol Sci 2021; 22:ijms22031325. [PMID: 33572704 PMCID: PMC7865281 DOI: 10.3390/ijms22031325] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2020] [Revised: 01/24/2021] [Accepted: 01/26/2021] [Indexed: 02/06/2023] Open
Abstract
Notch1-4 receptors and their signaling pathways are expressed in almost all organ systems and play a pivotal role in cell fate decision by coordinating cell proliferation, differentiation and apoptosis. Differential expression and activation of Notch signaling pathways has been observed in a variety of organs and tissues under physiological and pathological conditions. Bone tissue represents a dynamic system, which is constantly remodeled throughout life. In bone, Notch receptors have been shown to control remodeling and regeneration. Numerous functions have been assigned to Notch receptors and ligands, including osteoblast differentiation and matrix mineralization, osteoclast recruitment and cell fusion and osteoblast/osteoclast progenitor cell proliferation. The expression and function of Notch1-4 in the skeleton are distinct and closely depend on the temporal expression at different differentiation stages. This review addresses the current knowledge on Notch signaling in adult bone with emphasis on metabolism, bone regeneration and degenerative skeletal disorders, as well as congenital disorders associated with mutant Notch genes. Moreover, the crosstalk between Notch signaling and other important pathways involved in bone turnover, including Wnt/β-catenin, BMP and RANKL/OPG, are outlined.
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Yang C, Hu JF, Zhan Q, Wang ZW, Li G, Pan JJ, Huang L, Liao CY, Huang Y, Tian YF, Shen BY, Chen JZ, Wang YD, Chen S. SHCBP1 interacting with EOGT enhances O-GlcNAcylation of NOTCH1 and promotes the development of pancreatic cancer. Genomics 2021; 113:827-842. [PMID: 33515675 DOI: 10.1016/j.ygeno.2021.01.010] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2020] [Revised: 12/12/2020] [Accepted: 01/21/2021] [Indexed: 01/07/2023]
Abstract
O-GlcNAcylation is important in the development and progression of pancreatic ductal adenocarcinoma (PDAC). The glycosyltransferase EGF domain-specific O-linked GlcNAc transferase (EOGT) acts as a key participant in glycosylating NOTCH1. High-throughput sequencing of specimens from 30 advanced PDAC patients identified SHCBP1 and EOGT as factors of poor prognosis. We hypothesized that they could mediate PDAC progression by influencing NOTCH1 O-GlcNAcylation. Thus, 186 PDAC tissue specimens were immunostained for EOGT and SHCBP1. Pancreatic cancer cell lines and nude mouse models were used for in vitro and in vivo experiments. Respectively, The protein expression of EOGT and SHCBP1 was significantly elevated and correlated with worse prognosis in PDAC patients. In vitro, SHCBP1 overexpression promoted pancreatic cancer cell proliferation, migration and invasion, while knocking down SHCBP1 and EOGT inhibited these malignant processes. In vivo data showed that SHCBP1 overexpression promoted xenograft growth and lung metastasis and shortened survival in mice, whereas knocking down either EOGT or SHCBP1 expression suppressed xenograft growth and metastasis and prolonged survival. We further clarified the molecular mechanisms by which EOGT and SHCBP1 enhance the O-GlcNAcylation of NOTCH1, Subsequently promoting the nuclear localization of the Notch intracellular domain (NICD) and inhibiting the transcription of E-cadherin and P21 in pancreatic cancer cells.
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Affiliation(s)
- Can Yang
- Shengli Clinical Medical College of Fujian Medical University, Fuzhou 350001, PR China
| | - Jian-Fei Hu
- Shengli Clinical Medical College of Fujian Medical University, Fuzhou 350001, PR China
| | - Qian Zhan
- Department of General Surgery, Pancreatic Disease Center, Research Institute of Pancreatic Diseases, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, PR China
| | - Zu-Wei Wang
- Shengli Clinical Medical College of Fujian Medical University, Fuzhou 350001, PR China
| | - Ge Li
- Department of Hepatobiliary Surgery, Union Hospital, Fujian Medical University, Fuzhou 350001, PR China
| | - Jing-Jing Pan
- Shengli Clinical Medical College of Fujian Medical University, Fuzhou 350001, PR China
| | - Long Huang
- Shengli Clinical Medical College of Fujian Medical University, Fuzhou 350001, PR China; Department of Hepatobiliary Surgery, Fujian Provincial Hospital, Fujian Medical University, Fuzhou 350001, PR China
| | - Cheng-Yu Liao
- Shengli Clinical Medical College of Fujian Medical University, Fuzhou 350001, PR China
| | - Yi Huang
- Shengli Clinical Medical College of Fujian Medical University, Fuzhou 350001, PR China; Center for Experimental Research in Clinical Medicine, Fujian Provincial Hospital, Fuzhou 350001, PR China
| | - Yi-Feng Tian
- Shengli Clinical Medical College of Fujian Medical University, Fuzhou 350001, PR China; Department of Hepatobiliary Surgery, Fujian Provincial Hospital, Fujian Medical University, Fuzhou 350001, PR China
| | - Bai-Yong Shen
- Department of General Surgery, Pancreatic Disease Center, Research Institute of Pancreatic Diseases, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, PR China
| | - Jiang-Zhi Chen
- Department of Hepatobiliary Surgery, Union Hospital, Fujian Medical University, Fuzhou 350001, PR China; Fujian Medical University Cancer Center, Fuzhou 350001, PR China; Department of Hepatobiliary Surgery, Fujian Institute of Hepatobiliary Surgery, 350001, PR China.
| | - Yao-Dong Wang
- Shengli Clinical Medical College of Fujian Medical University, Fuzhou 350001, PR China; Department of Hepatobiliary Surgery, Fujian Provincial Hospital, Fujian Medical University, Fuzhou 350001, PR China.
| | - Shi Chen
- Shengli Clinical Medical College of Fujian Medical University, Fuzhou 350001, PR China; Department of Hepatobiliary Surgery, Fujian Provincial Hospital, Fujian Medical University, Fuzhou 350001, PR China.
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Lin H, McBride KL, Garg V, Zhao MT. Decoding Genetics of Congenital Heart Disease Using Patient-Derived Induced Pluripotent Stem Cells (iPSCs). Front Cell Dev Biol 2021; 9:630069. [PMID: 33585486 PMCID: PMC7873857 DOI: 10.3389/fcell.2021.630069] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2020] [Accepted: 01/04/2021] [Indexed: 12/20/2022] Open
Abstract
Congenital heart disease (CHD) is the most common cause of infant death associated with birth defects. Recent next-generation genome sequencing has uncovered novel genetic etiologies of CHD, from inherited and de novo variants to non-coding genetic variants. The next phase of understanding the genetic contributors of CHD will be the functional illustration and validation of this genome sequencing data in cellular and animal model systems. Human induced pluripotent stem cells (iPSCs) have opened up new horizons to investigate genetic mechanisms of CHD using clinically relevant and patient-specific cardiac cells such as cardiomyocytes, endothelial/endocardial cells, cardiac fibroblasts and vascular smooth muscle cells. Using cutting-edge CRISPR/Cas9 genome editing tools, a given genetic variant can be corrected in diseased iPSCs and introduced to healthy iPSCs to define the pathogenicity of the variant and molecular basis of CHD. In this review, we discuss the recent progress in genetics of CHD deciphered by large-scale genome sequencing and explore how genome-edited patient iPSCs are poised to decode the genetic etiologies of CHD by coupling with single-cell genomics and organoid technologies.
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Affiliation(s)
- Hui Lin
- Center for Cardiovascular Research, The Abigail Wexner Research Institute, Nationwide Children's Hospital, Columbus, OH, United States.,The Heart Center, Nationwide Children's Hospital, Columbus, OH, United States.,Division of Genetic and Genomic Medicine, Nationwide Children's Hospital, Columbus, OH, United States
| | - Kim L McBride
- Center for Cardiovascular Research, The Abigail Wexner Research Institute, Nationwide Children's Hospital, Columbus, OH, United States.,The Heart Center, Nationwide Children's Hospital, Columbus, OH, United States.,Division of Genetic and Genomic Medicine, Nationwide Children's Hospital, Columbus, OH, United States.,Department of Pediatrics, The Ohio State University College of Medicine, Columbus, OH, United States
| | - Vidu Garg
- Center for Cardiovascular Research, The Abigail Wexner Research Institute, Nationwide Children's Hospital, Columbus, OH, United States.,The Heart Center, Nationwide Children's Hospital, Columbus, OH, United States.,Department of Pediatrics, The Ohio State University College of Medicine, Columbus, OH, United States.,Department of Molecular Genetics, The Ohio State University, Columbus, OH, United States
| | - Ming-Tao Zhao
- Center for Cardiovascular Research, The Abigail Wexner Research Institute, Nationwide Children's Hospital, Columbus, OH, United States.,The Heart Center, Nationwide Children's Hospital, Columbus, OH, United States.,Department of Pediatrics, The Ohio State University College of Medicine, Columbus, OH, United States
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40
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Matsumoto K, Luther KB, Haltiwanger RS. Diseases related to Notch glycosylation. Mol Aspects Med 2020; 79:100938. [PMID: 33341260 DOI: 10.1016/j.mam.2020.100938] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2020] [Revised: 11/30/2020] [Accepted: 12/03/2020] [Indexed: 12/15/2022]
Abstract
The Notch receptors are a family of transmembrane proteins that mediate direct cell-cell interactions and control numerous cell-fate specifications in humans. The extracellular domains of mammalian Notch proteins contain 29-36 tandem epidermal growth factor-like (EGF) repeats, most of which have O-linked glycan modifications: O-glucose added by POGLUT1, O-fucose added by POFUT1 and elongated by Fringe enzymes, and O-GlcNAc added by EOGT. The extracellular domain is also N-glycosylated. Mutations in the glycosyltransferases modifying Notch have been identified in several diseases, including Dowling-Degos Disease (haploinsufficiency of POFUT1 or POGLUT1), a form of limb-girdle muscular dystrophy (autosomal recessive mutations in POGLUT1), Spondylocostal Dysostosis 3 (autosomal recessive mutations in LFNG), Adams-Oliver syndrome (autosomal recessive mutations in EOGT), and some cancers (amplification, gain or loss-of-function of POFUT1, Fringe enzymes, POGLUT1, MGAT3). Here we review the characteristics of these diseases and potential molecular mechanisms.
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Affiliation(s)
- Kenjiroo Matsumoto
- Complex Carbohydrate Research Center, Department of Biochemistry and Molecular Biology, University of Georgia, 315 Riverbend Road, Athens, GA, 30602, USA
| | - Kelvin B Luther
- Complex Carbohydrate Research Center, Department of Biochemistry and Molecular Biology, University of Georgia, 315 Riverbend Road, Athens, GA, 30602, USA
| | - Robert S Haltiwanger
- Complex Carbohydrate Research Center, Department of Biochemistry and Molecular Biology, University of Georgia, 315 Riverbend Road, Athens, GA, 30602, USA.
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41
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Zohorsky K, Mequanint K. Designing Biomaterials to Modulate Notch Signaling in Tissue Engineering and Regenerative Medicine. TISSUE ENGINEERING PART B-REVIEWS 2020; 27:383-410. [PMID: 33040694 DOI: 10.1089/ten.teb.2020.0182] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
The design of cell-instructive biomaterials for tissue engineering and regenerative medicine is at a crossroads. Although the conventional tissue engineering approach is top-down (cells seeded to macroporous scaffolds and mature to form tissues), bottom-up tissue engineering strategies are becoming appealing. With such developments, we can study cell signaling events, thus enabling functional tissue assembly in physiologic and diseased models. Among many important signaling pathways, the Notch signaling pathway is the most diverse in its influence during tissue morphogenesis and repair following injury. Although Notch signaling is extensively studied in developmental biology and cancer biology, our knowledge of designing biomaterial-based Notch signaling platforms and incorporating Notch signaling components into engineered tissue systems is limited. By incorporating Notch signaling to tissue engineering scaffolds, we can direct cell-specific responses and improve engineered tissue maturation. This review will discuss recent progress in the development of Notch signaling biomaterials as a promising target to control cellular fate decisions, including the influences of ligand identity, biophysical material cues, ligand presentation strategies, and mechanotransduction. Notch signaling is consequently of interest to direct, control, and reprogram cellular behavior on a biomaterial surface. We anticipate that discussions in this article will allow for enhanced knowledge and insight into designing Notch targeted biomaterials for various tissue engineering and cell fate determinations. Impact statement Notch signaling is recognized as an important pathway in tissue engineering and regenerative medicine; however, there is no systematic review on this topic. The comprehensive review and perspectives presented here provide an in-depth discussion on ligand presentation strategies both in 2D and in 3D cell culture environments involving biomaterials/scaffolds. In addition, this review article provides insight into the challenges in designing cell surrogate biomaterials capable of providing Notch signals. To the best of the authors' knowledge, this is the first review relevant to the fields of tissue engineering.
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Affiliation(s)
- Kathleen Zohorsky
- School of Biomedical Engineering and The University of Western Ontario, London, Canada
| | - Kibret Mequanint
- School of Biomedical Engineering and The University of Western Ontario, London, Canada.,Department of Chemical and Biochemical Engineering, The University of Western Ontario, London, Canada
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42
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Nees SN, Chung WK. Genetic Basis of Human Congenital Heart Disease. Cold Spring Harb Perspect Biol 2020; 12:cshperspect.a036749. [PMID: 31818857 DOI: 10.1101/cshperspect.a036749] [Citation(s) in RCA: 35] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Congenital heart disease (CHD) is the most common major congenital anomaly with an incidence of ∼1% of live births and is a significant cause of birth defect-related mortality. The genetic mechanisms underlying the development of CHD are complex and remain incompletely understood. Known genetic causes include all classes of genetic variation including chromosomal aneuploidies, copy number variants, and rare and common single-nucleotide variants, which can be either de novo or inherited. Among patients with CHD, ∼8%-12% have a chromosomal abnormality or aneuploidy, between 3% and 25% have a copy number variation, and 3%-5% have a single-gene defect in an established CHD gene with higher likelihood of identifying a genetic cause in patients with nonisolated CHD. These genetic variants disrupt or alter genes that play an important role in normal cardiac development and in some cases have pleiotropic effects on other organs. This work reviews some of the most common genetic causes of CHD as well as what is currently known about the underlying mechanisms.
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Affiliation(s)
| | - Wendy K Chung
- Department of Pediatrics.,Department of Medicine, Columbia University Irving Medical Center, New York, New York 10032, USA
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43
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Soret J, Debray D, Fontbrune FSD, Kiladjian JJ, Saadoun D, Latour RPD, Valla D, Hernandez-Gea V, Hillaire S, Dutheil D, Plessier A, Bureau C, De Raucourt E. Risk factors for vascular liver diseases: Vascular liver diseases: position papers from the francophone network for vascular liver diseases, the French Association for the Study of the Liver (AFEF), and ERN-rare liver. Clin Res Hepatol Gastroenterol 2020; 44:410-419. [PMID: 32651075 DOI: 10.1016/j.clinre.2020.03.010] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/26/2020] [Accepted: 03/03/2020] [Indexed: 02/04/2023]
Affiliation(s)
- Juliette Soret
- Center of Clinical Investigation, Saint-Louis Hospital APHP, 1, avenue Claude Vellefaux, 75010 Paris, France; French Network for Rare Liver Diseases FILFOIE, Saint-Antoine Hospital AP-HP, 184, rue du Faubourg Saint-Antoine, 75012 Paris, France.
| | - Dominique Debray
- Pediatric hepatology Unit, Necker Hospital APHP, 149, rue de Sèvres, 75015 Paris, France; French Network for Rare Liver Diseases FILFOIE, Saint-Antoine Hospital AP-HP, 184, rue du Faubourg Saint-Antoine, 75012 Paris, France
| | - Flore Sicre de Fontbrune
- Service d'hématologie, French referral centre for Aplastic anemia and PNH and filière de santé maladies rares immunohématologiques, Saint-Louis Hospital APHP, ERN eurobloodnet, 75010 Paris, France
| | - Jean-Jacques Kiladjian
- Center of Clinical Investigation, Saint-Louis Hospital APHP, 1, avenue Claude Vellefaux, 75010 Paris, France; French Network for Rare Liver Diseases FILFOIE, Saint-Antoine Hospital AP-HP, 184, rue du Faubourg Saint-Antoine, 75012 Paris, France
| | - David Saadoun
- Departement of Internal Medecine, Médecine interne, La Pitié Salpêtrière Hospital APHP, CMR maladies auto_immunes systémiques rares ; CMR maladies auto inflammatoires et amylose, ERN RITA, 47-83, boulevard de l'Hôpital, 75651 Paris, France
| | - Régis Peffault de Latour
- Service d'hématologie, French referral centre for Aplastic anemia and PNH and filière de santé maladies rares immunohématologiques, Saint-Louis Hospital APHP, ERN eurobloodnet, 75010 Paris, France
| | - Dominique Valla
- French Network for Rare Liver Diseases FILFOIE, Saint-Antoine Hospital AP-HP, 184, rue du Faubourg Saint-Antoine, 75012 Paris, France; Department of Hepatology, Beaujon Hospital AP-HP, 100, boulevard du Général Leclerc, 92118 Clichy, France; Reference center of vascular liver diseases, European Reference Network (ERN) Rare-Liver
| | - Virginia Hernandez-Gea
- Barcelona Hepatic Hemodynamic Unit, Liver Unit. IMDIM. CIBERehd, Hospital Clinic, Barcelona, Spain
| | - Sophie Hillaire
- Department of Internal Medicine, Foch Hospital, 40, rue Worth, 92150 Suresnes, France
| | - Danielle Dutheil
- French Network for Rare Liver Diseases FILFOIE, Saint-Antoine Hospital AP-HP, 184, rue du Faubourg Saint-Antoine, 75012 Paris, France; Association of patients with vascular liver diseases (AMVF), Beaujon Hospital, Department of Hepatology, 100, boulevard du Général-Leclerc, 92118 Clichy, France
| | - Aurélie Plessier
- French Network for Rare Liver Diseases FILFOIE, Saint-Antoine Hospital AP-HP, 184, rue du Faubourg Saint-Antoine, 75012 Paris, France; Department of Hepatology, Beaujon Hospital AP-HP, 100, boulevard du Général Leclerc, 92118 Clichy, France; Reference center of vascular liver diseases, European Reference Network (ERN) Rare-Liver
| | - Christophe Bureau
- French Network for Rare Liver Diseases FILFOIE, Saint-Antoine Hospital AP-HP, 184, rue du Faubourg Saint-Antoine, 75012 Paris, France; Department of Gastroenterology and Hepatology, Rangueil Hospital, University Hospital of Toulouse, 1, avenue du Professeur Jean-Poulhès, 31400 Toulouse, France
| | - Emmanuelle De Raucourt
- Department of Laboratory Hematology, Beaujon Hospital AP-HP, 100, boulevard du Général Leclerc, 92118 Clichy, France; French Network for Rare Liver Diseases FILFOIE, Saint-Antoine Hospital AP-HP, 184, rue du Faubourg Saint-Antoine, 75012 Paris, France; Reference center of vascular liver diseases, European Reference Network (ERN) Rare-Liver
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Kakuda S, LoPilato RK, Ito A, Haltiwanger RS. Canonical Notch ligands and Fringes have distinct effects on NOTCH1 and NOTCH2. J Biol Chem 2020; 295:14710-14722. [PMID: 32820046 DOI: 10.1074/jbc.ra120.014407] [Citation(s) in RCA: 35] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2020] [Revised: 08/11/2020] [Indexed: 12/11/2022] Open
Abstract
Notch signaling is a cellular pathway regulating cell-fate determination and adult tissue homeostasis. Little is known about how canonical Notch ligands or Fringe enzymes differentially affect NOTCH1 and NOTCH2. Using cell-based Notch signaling and ligand-binding assays, we evaluated differences in NOTCH1 and NOTCH2 responses to Delta-like (DLL) and Jagged (JAG) family members and the extent to which Fringe enzymes modulate their activity. In the absence of Fringes, DLL4-NOTCH1 activation was more than twice that of DLL4-NOTCH2, whereas all other ligands activated NOTCH2 similarly or slightly more than NOTCH1. However, NOTCH2 showed less sensitivity to the Fringes. Lunatic fringe (LFNG) enhanced NOTCH2 activation by DLL1 and -4, and Manic fringe (MFNG) inhibited NOTCH2 activation by JAG1 and -2. Mass spectral analysis showed that O-fucose occurred at high stoichiometry at most consensus sequences of NOTCH2 and that the Fringe enzymes modified more O-fucose sites of NOTCH2 compared with NOTCH1. Mutagenesis studies showed that LFNG modification of O-fucose on EGF8 and -12 of NOTCH2 was responsible for enhancement of DLL1-NOTCH2 activation, similar to previous reports for NOTCH1. In contrast to NOTCH1, a single O-fucose site mutant that substantially blocked the ability of MFNG to inhibit NOTCH2 activation by JAG1 could not be identified. Interestingly, elimination of the O-fucose site on EGF12 allowed LFNG to inhibit JAG1-NOTCH2 activation, and O-fucosylation on EGF9 was important for trafficking of both NOTCH1 and NOTCH2. Together, these studies provide new insights into the differential regulation of NOTCH1 and NOTCH2 by Notch ligands and Fringe enzymes.
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Affiliation(s)
- Shinako Kakuda
- Department of Biochemistry and Cell Biology, Stony Brook University, Stony Brook, New York, USA
| | - Rachel K LoPilato
- Complex Carbohydrate Research Center, Department of Biochemistry and Molecular Biology, University of Georgia, Athens, Georgia, USA
| | - Atsuko Ito
- Complex Carbohydrate Research Center, Department of Biochemistry and Molecular Biology, University of Georgia, Athens, Georgia, USA
| | - Robert S Haltiwanger
- Department of Biochemistry and Cell Biology, Stony Brook University, Stony Brook, New York, USA; Complex Carbohydrate Research Center, Department of Biochemistry and Molecular Biology, University of Georgia, Athens, Georgia, USA.
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45
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Qiao C, Richter GT, Pan W, Jin Y, Lin X. Extracranial arteriovenous malformations: from bedside to bench. Mutagenesis 2020; 34:299-306. [PMID: 31613971 DOI: 10.1093/mutage/gez028] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2018] [Accepted: 09/14/2019] [Indexed: 01/08/2023] Open
Abstract
Arteriovenous malformation (AVM) is defined as a fast-flow vascular anomaly that shunts blood from arteries directly to veins. This short circuit of blood flow contributes to progressive expansion of draining veins, resulting in ischaemia, tissue deformation and in some severe cases, congestive heart failure. Various medical interventions have been employed to treat AVM, however, management of which remains a huge challenge because of its high recurrence rate and lethal complications. Thus, understanding the underlying mechanisms of AVM development and progression will help direct discovery and a potential cure. Here, we summarize current findings in the field of extracranial AVMs with the aim to provide insight into their aetiology and molecular influences, in the hope to pave the way for future treatment.
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Affiliation(s)
- Congzhen Qiao
- Department of Plastic and Reconstructive Surgery, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Gresham T Richter
- Center for Investigation of Congenital Anomalies of Vascular Development, Arkansas Vascular Biology Program, Arkansas Children's Hospital, Little Rock, AR, USA.,Department of Otolaryngology-Head and Neck Surgery, University of Arkansas for Medical Sciences, Little Rock, AR, USA.,Division of Pediatric Otolaryngology, Arkansas Children's Hospital, Little Rock, AR, USA
| | - Weijun Pan
- Key Laboratory of Stem Cell Biology, CAS Center for Excellence in Molecular Cell Science, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, Shanghai, China
| | - Yunbo Jin
- Department of Plastic and Reconstructive Surgery, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Xiaoxi Lin
- Department of Plastic and Reconstructive Surgery, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
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46
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Gratton R, Tricarico PM, Moltrasio C, Lima Estevão de Oliveira AS, Brandão L, Marzano AV, Zupin L, Crovella S. Pleiotropic Role of Notch Signaling in Human Skin Diseases. Int J Mol Sci 2020; 21:E4214. [PMID: 32545758 PMCID: PMC7353046 DOI: 10.3390/ijms21124214] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2020] [Revised: 06/09/2020] [Accepted: 06/11/2020] [Indexed: 02/07/2023] Open
Abstract
Notch signaling orchestrates the regulation of cell proliferation, differentiation, migration and apoptosis of epidermal cells by strictly interacting with other cellular pathways. Any disruption of Notch signaling, either due to direct mutations or to an aberrant regulation of genes involved in the signaling route, might lead to both hyper- or hypo-activation of Notch signaling molecules and of target genes, ultimately inducing the onset of skin diseases. The mechanisms through which Notch contributes to the pathogenesis of skin diseases are multiple and still not fully understood. So far, Notch signaling alterations have been reported for five human skin diseases, suggesting the involvement of Notch in their pathogenesis: Hidradenitis Suppurativa, Dowling Degos Disease, Adams-Oliver Syndrome, Psoriasis and Atopic Dermatitis. In this review, we aim at describing the role of Notch signaling in the skin, particularly focusing on the principal consequences associated with its alterations in these five human skin diseases, in order to reorganize the current knowledge and to identify potential cellular mechanisms in common between these pathologies.
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Affiliation(s)
- Rossella Gratton
- Institute for Maternal and Child Health—IRCCS “Burlo Garofolo”, 34137 Trieste, Italy; (R.G.); (L.Z.); (S.C.)
- Department of Medical Surgical and Health Sciences, University of Trieste, 34149 Trieste, Italy
| | - Paola Maura Tricarico
- Institute for Maternal and Child Health—IRCCS “Burlo Garofolo”, 34137 Trieste, Italy; (R.G.); (L.Z.); (S.C.)
| | - Chiara Moltrasio
- Dermatology Unit, Fondazione IRCCS Ca’ Granda Ospedale Maggiore Policlinico, 20122 Milan, Italy; (C.M.); (A.V.M.)
| | | | - Lucas Brandão
- Department of Pathology, Federal University of Pernambuco, Recife 50670-901, Brazil;
| | - Angelo Valerio Marzano
- Dermatology Unit, Fondazione IRCCS Ca’ Granda Ospedale Maggiore Policlinico, 20122 Milan, Italy; (C.M.); (A.V.M.)
| | - Luisa Zupin
- Institute for Maternal and Child Health—IRCCS “Burlo Garofolo”, 34137 Trieste, Italy; (R.G.); (L.Z.); (S.C.)
| | - Sergio Crovella
- Institute for Maternal and Child Health—IRCCS “Burlo Garofolo”, 34137 Trieste, Italy; (R.G.); (L.Z.); (S.C.)
- Department of Medical Surgical and Health Sciences, University of Trieste, 34149 Trieste, Italy
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47
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Alzahem T, Alsalamah AK, Mura M, Alsulaiman SM. A novel variant in DOCK6 gene associated with Adams-Oliver syndrome type 2. Ophthalmic Genet 2020; 41:377-380. [PMID: 32498638 DOI: 10.1080/13816810.2020.1776339] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
BACKGROUND Adams-Oliver syndrome (AOS) is a rare, inherited multi-systemic malformation syndrome characterized by a combination of aplasia cutis congenita and transverse terminal limb defects along with variable involvement of the central nervous system, eyes, and cardiovascular system. AOS can be inherited as both autosomal-dominant and recessive traits. Pathogenic variants in the DOCK6, ARHGAP31, EOGT, RBPJ, DLL4, and NOTCH1 genes have been associated with AOS. PURPOSE To report a novel homozygous variant in the DOCK6 gene associated with Adams-Oliver syndrome type 2. MATERIALS AND METHODS Case report. RESULTS We report a case of a 4-month-old male who presented with microcephaly, global developmental delay, truncal hypotonia, and limb reduction defects. Ophthalmic examination revealed bilateral nystagmus and retinal detachment with mild cataractous changes in addition to retrolental plaque in the left eye. Next generation sequencing analysis identified a novel homozygous frameshift likely pathogenic variant (c.1269_1285dup (p.Arg429Glnfs*32)) in the DOCK6 gene. The constellation of the clinical findings and the genetic mutation were consistent with a diagnosis of AOS type 2. CONCLUSION The discovery of this new likely pathogenic variant enriches the genotypic spectrum of DOCK6 gene and contributes to genetic diagnosis and counseling of families with AOS. Neurologic and ocular findings appear to be consistent with AOS type 2 for which multidisciplinary clinical evaluation is crucial.
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Affiliation(s)
- Tariq Alzahem
- Vitreoretinal Division, King Khaled Eye Specialist Hospital , Riyadh, Saudi Arabia.,Ophthalmology Department, King Saud University , Riyadh, Saudi Arabia
| | - Abrar K Alsalamah
- Vitreoretinal Division, King Khaled Eye Specialist Hospital , Riyadh, Saudi Arabia
| | - Marco Mura
- Vitreoretinal Division, King Khaled Eye Specialist Hospital , Riyadh, Saudi Arabia
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48
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Pandey A, Niknejad N, Jafar-Nejad H. Multifaceted regulation of Notch signaling by glycosylation. Glycobiology 2020; 31:8-28. [PMID: 32472127 DOI: 10.1093/glycob/cwaa049] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2020] [Revised: 05/18/2020] [Accepted: 05/27/2020] [Indexed: 12/12/2022] Open
Abstract
To build a complex body composed of various cell types and tissues and to maintain tissue homeostasis in the postembryonic period, animals use a small number of highly conserved intercellular communication pathways. Among these is the Notch signaling pathway, which is mediated via the interaction of transmembrane Notch receptors and ligands usually expressed by neighboring cells. Maintaining optimal Notch pathway activity is essential for normal development, as evidenced by various human diseases caused by decreased and increased Notch signaling. It is therefore not surprising that multiple mechanisms are used to control the activation of this pathway in time and space. Over the last 20 years, protein glycosylation has been recognized as a major regulatory mechanism for Notch signaling. In this review, we will provide a summary of the various types of glycan that have been shown to modulate Notch signaling. Building on recent advances in the biochemistry, structural biology, cell biology and genetics of Notch receptors and the glycosyltransferases that modify them, we will provide a detailed discussion on how various steps during Notch activation are regulated by glycans. Our hope is that the current review article will stimulate additional research in the field of Notch glycobiology and will potentially be of benefit to investigators examining the contribution of glycosylation to other developmental processes.
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Affiliation(s)
| | | | - Hamed Jafar-Nejad
- Department of Molecular and Human Genetics.,Development, Disease Models & Therapeutics Graduate Program.,Genetics & Genomics Graduate Program, Baylor College of Medicine, Houston, TX 77030, USA
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49
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Alsulaiman AM, Alsulaiman HM, Almousa A, Alsulaiman SM. Adams Oliver syndrome: A mimicker of familial exudative vitreoretinopathy. Am J Ophthalmol Case Rep 2020; 19:100715. [PMID: 32420513 PMCID: PMC7217917 DOI: 10.1016/j.ajoc.2020.100715] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2019] [Revised: 04/02/2020] [Accepted: 04/13/2020] [Indexed: 12/17/2022] Open
Abstract
Purpose To describe an infant with Adams Oliver syndrome (AOS) with ocular signs similar to familial exudative vitreoretinopathy. Observations A full-term female infant presented with a congenital scalp defect, hypoplasia of the fingers and toes along with a radial retinal fold in the right eye and tractional retinal detachment in the left eye. Fluorescein angiography findings included peripheral retinal nonperfusion, irregular vascular sprouting beyond the vascular-avascular junction, pinpoint areas of hyperfluorescence as well as late peripheral and posterior vascular leakage. The patient was clinically diagnosed with Adams Oliver syndrome based on the collective findings. Laser photocoagulation to the avascular retina was performed in both eyes which resulted in stabilization of the condition after 2 years of follow up. Conclusion and importance The ocular phenotype in AOS may be similar to familial exudative vitreoretinopathy. Therefore, suspicion of the diagnosis should prompt ophthalmic evaluation including fluorescein angiography to detect and possibly treat the ischemic retinopathy.
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Affiliation(s)
| | | | - Ahmad Almousa
- Department of Dermatology, Security Forces Hospital, Riyadh, Saudi Arabia
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50
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Chapman G, Moreau JLM, I P E, Szot JO, Iyer KR, Shi H, Yam MX, O’Reilly VC, Enriquez A, Greasby JA, Alankarage D, Martin EMMA, Hanna BC, Edwards M, Monger S, Blue GM, Winlaw DS, Ritchie HE, Grieve SM, Giannoulatou E, Sparrow DB, Dunwoodie SL. Functional genomics and gene-environment interaction highlight the complexity of congenital heart disease caused by Notch pathway variants. Hum Mol Genet 2020; 29:566-579. [PMID: 31813956 PMCID: PMC7068028 DOI: 10.1093/hmg/ddz270] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2019] [Revised: 10/05/2019] [Accepted: 11/04/2019] [Indexed: 02/06/2023] Open
Abstract
Congenital heart disease (CHD) is the most common birth defect and brings with it significant mortality and morbidity. The application of exome and genome sequencing has greatly improved the rate of genetic diagnosis for CHD but the cause in the majority of cases remains uncertain. It is clear that genetics, as well as environmental influences, play roles in the aetiology of CHD. Here we address both these aspects of causation with respect to the Notch signalling pathway. In our CHD cohort, variants in core Notch pathway genes account for 20% of those that cause disease, a rate that did not increase with the inclusion of genes of the broader Notch pathway and its regulators. This is reinforced by case-control burden analysis where variants in Notch pathway genes are enriched in CHD patients. This enrichment is due to variation in NOTCH1. Functional analysis of some novel missense NOTCH1 and DLL4 variants in cultured cells demonstrate reduced signalling activity, allowing variant reclassification. Although loss-of-function variants in DLL4 are known to cause Adams-Oliver syndrome, this is the first report of a hypomorphic DLL4 allele as a cause of isolated CHD. Finally, we demonstrate a gene-environment interaction in mouse embryos between Notch1 heterozygosity and low oxygen- or anti-arrhythmic drug-induced gestational hypoxia, resulting in an increased incidence of heart defects. This implies that exposure to environmental insults such as hypoxia could explain variable expressivity and penetrance of observed CHD in families carrying Notch pathway variants.
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Affiliation(s)
- Gavin Chapman
- Victor Chang Cardiac Research Institute, Sydney, NSW, 2010, Australia
- Faculty of Medicine, University of New South Wales, Sydney, NSW, 2052, Australia
| | - Julie L M Moreau
- Victor Chang Cardiac Research Institute, Sydney, NSW, 2010, Australia
| | - Eddie I P
- Victor Chang Cardiac Research Institute, Sydney, NSW, 2010, Australia
| | - Justin O Szot
- Victor Chang Cardiac Research Institute, Sydney, NSW, 2010, Australia
| | - Kavitha R Iyer
- Victor Chang Cardiac Research Institute, Sydney, NSW, 2010, Australia
| | - Hongjun Shi
- Victor Chang Cardiac Research Institute, Sydney, NSW, 2010, Australia
- Institute for Basic Medical Sciences, Westlake University, Hangzhou, China
| | - Michelle X Yam
- Victor Chang Cardiac Research Institute, Sydney, NSW, 2010, Australia
| | | | - Annabelle Enriquez
- Victor Chang Cardiac Research Institute, Sydney, NSW, 2010, Australia
- Faculty of Medicine, University of New South Wales, Sydney, NSW, 2052, Australia
- Department of Clinical Genetics, The Children’s Hospital at Westmead, Sydney, NSW, 2145, Australia
- Discipline of Genomic Medicine, Faculty of Medicine and Health, University of Sydney, Sydney, NSW, 2006, Australia
| | - Joelene A Greasby
- Victor Chang Cardiac Research Institute, Sydney, NSW, 2010, Australia
| | | | - Ella M M A Martin
- Victor Chang Cardiac Research Institute, Sydney, NSW, 2010, Australia
| | | | - Matthew Edwards
- Hunter Genetics, John Hunter Hospital, Newcastle, NSW, 2298, Australia
- Department of Paediatrics, School of Medicine, Western Sydney University, Sydney, NSW, 2560, Australia
| | - Steven Monger
- Victor Chang Cardiac Research Institute, Sydney, NSW, 2010, Australia
| | - Gillian M Blue
- Victor Chang Cardiac Research Institute, Sydney, NSW, 2010, Australia
- Kids Heart Research, Heart Centre for Children, The Children’s Hospital at Westmead, Sydney, NSW, 2145, Australia
- Sydney Medical School, University of Sydney, Sydney, NSW, 2006, Australia
| | - David S Winlaw
- Victor Chang Cardiac Research Institute, Sydney, NSW, 2010, Australia
- Kids Heart Research, Heart Centre for Children, The Children’s Hospital at Westmead, Sydney, NSW, 2145, Australia
- Sydney Medical School, University of Sydney, Sydney, NSW, 2006, Australia
| | - Helen E Ritchie
- School of Medical Sciences, Faculty of Medicine and Health, University of Sydney, Sydney, NSW, 2006, Australia
| | - Stuart M Grieve
- Sydney Translational Imaging Laboratory, Sydney Medical School, University of Sydney, Sydney, NSW, 2006, Australia
- Department of Radiology, Royal Prince Alfred Hospital, Sydney, NSW, 2050, Australia
| | - Eleni Giannoulatou
- Victor Chang Cardiac Research Institute, Sydney, NSW, 2010, Australia
- Faculty of Science, University of New South Wales, Sydney, NSW, 2052, Australia
| | - Duncan B Sparrow
- Department of Physiology, Anatomy and Genetics, University of Oxford, Oxford OX1 3PT, United Kingdom
| | - Sally L Dunwoodie
- Victor Chang Cardiac Research Institute, Sydney, NSW, 2010, Australia
- Faculty of Medicine, University of New South Wales, Sydney, NSW, 2052, Australia
- Faculty of Science, University of New South Wales, Sydney, NSW, 2052, Australia
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