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Kuonqui K, Campbell AC, Sarker A, Roberts A, Pollack BL, Park HJ, Shin J, Brown S, Mehrara BJ, Kataru RP. Dysregulation of Lymphatic Endothelial VEGFR3 Signaling in Disease. Cells 2023; 13:68. [PMID: 38201272 PMCID: PMC10778007 DOI: 10.3390/cells13010068] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2023] [Revised: 12/20/2023] [Accepted: 12/26/2023] [Indexed: 01/12/2024] Open
Abstract
Vascular endothelial growth factor (VEGF) receptor 3 (VEGFR3), a receptor tyrosine kinase encoded by the FLT4 gene, plays a significant role in the morphogenesis and maintenance of lymphatic vessels. Under both normal and pathologic conditions, VEGF-C and VEGF-D bind VEGFR3 on the surface of lymphatic endothelial cells (LECs) and induce lymphatic proliferation, migration, and survival by activating intracellular PI3K-Akt and MAPK-ERK signaling pathways. Impaired lymphatic function and VEGFR3 signaling has been linked with a myriad of commonly encountered clinical conditions. This review provides a brief overview of intracellular VEGFR3 signaling in LECs and explores examples of dysregulated VEGFR3 signaling in various disease states, including (1) lymphedema, (2) tumor growth and metastasis, (3) obesity and metabolic syndrome, (4) organ transplant rejection, and (5) autoimmune disorders. A more complete understanding of the molecular mechanisms underlying the lymphatic pathology of each disease will allow for the development of novel strategies to treat these chronic and often debilitating illnesses.
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Affiliation(s)
| | | | | | | | | | | | | | | | - Babak J. Mehrara
- Plastic and Reconstructive Surgery Service, Department of Surgery, Memorial Sloan Kettering Cancer Center, New York, NY 10065, USA
| | - Raghu P. Kataru
- Plastic and Reconstructive Surgery Service, Department of Surgery, Memorial Sloan Kettering Cancer Center, New York, NY 10065, USA
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Kovesi T, Rojas SK, Boycott KM. Persistent chylothorax associated with lymphatic malformation type 6 due to biallelic pathogenic variants in PIEZO1. Am J Med Genet A 2023; 191:2188-2192. [PMID: 37159433 DOI: 10.1002/ajmg.a.63237] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2022] [Revised: 04/05/2023] [Accepted: 04/26/2023] [Indexed: 05/11/2023]
Abstract
PIEZO1 is required for lymphatic valve formation, and several lymphatic abnormalities have been reported to be associated with autosomal recessive PIEZO1 pathogenic variants including neonatal hydrops, lymphedema involving various body regions, and chylothorax. Persistent or recurrent chylothorax has been infrequently described in association with pathogenic variants in the PIEZO1 gene. We present a 4-year-old female with bilateral pleural effusions detected prenatally, who was diagnosed with bilateral chylothoraces post-partum. She subsequently had recurrent pleural effusions involving both pleural cavities, which tended to improve with restriction of her fat intake, and, one occasion, subcutaneous octreotide. She also had bilateral calf, and intermittent cheek swelling. Genetic testing revealed two deleterious variants in PIEZO1: c.2330-2_2330-1del and c.3860G > A (p.Trp1287*), both of which were classified as likely pathogenic. This supported a diagnosis of Lymphatic Malformation Type 6 (OMIM 616843), also known as Hereditary Lymphedema Type III. Hereditary Lymphedema type III can be associated with persistent chylothorax that can vary in size over time.
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Affiliation(s)
- Thomas Kovesi
- Department of Pediatrics, Children's Hospital of Eastern Ontario, Ottawa, Eastern Ontario, Canada
| | - Samantha K Rojas
- Department of Genetics, Children's Hospital of Eastern Ontario, Ottawa, Eastern Ontario, Canada
| | - Kym M Boycott
- Department of Genetics, Children's Hospital of Eastern Ontario, Ottawa, Eastern Ontario, Canada
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Lajmi Y, Loeuillet L, Petrilli G, Egloff C, Nectoux J, Molac C, Roux N, Pannier E, Achaiaa A, Arkoub ZA, Chuon S, Coussement A, Dupont JM, Malan V, Spaggiari E, Razavi F, Amiel J, Bessières B, Grotto S, Attié-Bitach T. Two novel variations p.(Ser1275Thr) and p.(Ser1275Arg) in FLT4 causing prenatal hereditary lymphedema type 1. Birth Defects Res 2023; 115:563-571. [PMID: 36538874 DOI: 10.1002/bdr2.2141] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2022] [Accepted: 12/08/2022] [Indexed: 12/24/2022]
Abstract
BACKGROUND Hereditary lymphedema 1 is a rare congenital condition, characterized by the development of chronic swelling in body parts. It is highly variable in expression and age of onset with different presentations: from feet edema to hydrops fetalis. This affection is genetically heterogeneous with autosomal dominant inheritance and incomplete penetrance due to a mutation in the FLT4 gene in most cases. CASES In our study, we report on two fetuses harboring congenital lymphedema with FLT4 variation and review the prenatal confirmed ones of the literatures. Our cases were selected within fetuses explored by exome sequencing in a diagnosis setting. Prenatal ultrasonography showed hydrops fetalis in one case and an increased nuchal translucency with hydrothorax in the other. Comparative genomic hybridization array on amniocentesis was normal in both cases. Exome sequencing identified a variation p.(Ser1275Thr) and p.(Ser1275Arg) in fetus 1 and fetus 2 in the FLT4 gene, respectively. A de novo mutation at the same codon was reported in prenatal literature suggesting possible genotype phenotype correlation. CONCLUSION Cystic hygroma/hydrops fetalis are possible manifestations of several disorders. This study illustrates how the integration of exome sequencing in prenatal clinical practice can facilitate the diagnosis and genetic counseling of heterogeneous developmental affections.
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Affiliation(s)
- Yosra Lajmi
- Department of Genomic Medicine of System and Organs Diseases, Cochin Hospital, APHP Center, University Paris Cité, Paris, France
| | - Laurence Loeuillet
- Department of Genomic Medicine of Rare Disorders, Necker Hospital, APHP Center, University Paris Cité, Paris, France
| | - Giulia Petrilli
- Department of Genomic Medicine of Rare Disorders, Necker Hospital, APHP Center, University Paris Cité, Paris, France
| | - Charles Egloff
- Department of Genomic Medicine of Rare Disorders, Necker Hospital, APHP Center, University Paris Cité, Paris, France
| | - Juliette Nectoux
- Department of Genomic Medicine of System and Organs Diseases, Cochin Hospital, APHP Center, University Paris Cité, Paris, France
| | - Clémence Molac
- Clinical Genetics, Maternity Port-Royal, APHP Center, University Paris Cité, Paris, France
| | - Nathalie Roux
- Department of Genomic Medicine of Rare Disorders, Necker Hospital, APHP Center, University Paris Cité, Paris, France
| | - Emmanuelle Pannier
- Gynecology-Obstetrics Department, Port-Royal Hospital, APHP Center, University Paris Cité, Paris, France
| | - Amale Achaiaa
- Department of Genomic Medicine of Rare Disorders, Necker Hospital, APHP Center, University Paris Cité, Paris, France
| | - Zaina Ait Arkoub
- Department of Genomic Medicine of Rare Disorders, Necker Hospital, APHP Center, University Paris Cité, Paris, France
| | - Sophie Chuon
- Department of Genomic Medicine of Rare Disorders, Necker Hospital, APHP Center, University Paris Cité, Paris, France
| | - Aurélie Coussement
- Department of Genomic Medicine of System and Organs Diseases, Cochin Hospital, APHP Center, University Paris Cité, Paris, France
| | - Jean Michel Dupont
- Department of Genomic Medicine of System and Organs Diseases, Cochin Hospital, APHP Center, University Paris Cité, Paris, France
| | - Valérie Malan
- Department of Genomic Medicine of Rare Disorders, Necker Hospital, APHP Center, University Paris Cité, Paris, France
| | - Emmanuel Spaggiari
- Gynecology-Obstetrics Department, Necker Hospital for Children Diseases, APHP Center, University Paris Cité, Paris, France
| | - Ferechte Razavi
- Department of Genomic Medicine of Rare Disorders, Necker Hospital, APHP Center, University Paris Cité, Paris, France
| | - Jeanne Amiel
- Department of Genomic Medicine of Rare Disorders, Necker Hospital, APHP Center, University Paris Cité, Paris, France
| | - Bettina Bessières
- Department of Genomic Medicine of Rare Disorders, Necker Hospital, APHP Center, University Paris Cité, Paris, France
| | - Sarah Grotto
- Clinical Genetics, Maternity Port-Royal, APHP Center, University Paris Cité, Paris, France
| | - Tania Attié-Bitach
- Department of Genomic Medicine of Rare Disorders, Necker Hospital, APHP Center, University Paris Cité, Paris, France
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