Analysis of factor V in zebrafish demonstrates minimal levels needed for early hemostasis
In humans, coagulation factor V (FV) deficiency is a rare, clinically heterogeneous bleeding disorder, suggesting that genetic modifiers may contribute to disease expressivity. Zebrafish possess many distinct advantages including high fecundity, optical clarity, external development, and homology wi...
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Veröffentlicht in: | Blood advances 2019-06, Vol.3 (11), p.1670-1680 |
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creator | Weyand, Angela C. Grzegorski, Steve J. Rost, Megan S. Lavik, Kari I. Ferguson, Allison C. Menegatti, Marzia Richter, Catherine E. Asselta, Rosanna Duga, Stefano Peyvandi, Flora Shavit, Jordan A. |
description | In humans, coagulation factor V (FV) deficiency is a rare, clinically heterogeneous bleeding disorder, suggesting that genetic modifiers may contribute to disease expressivity. Zebrafish possess many distinct advantages including high fecundity, optical clarity, external development, and homology with the mammalian hemostatic system, features that make it ideal for genetic studies. Our aim was to study the role of FV in zebrafish through targeted mutagenesis and apply the model to the study of human F5 variants. CRISPR-mediated genome editing of the zebrafish f5 locus was performed, generating mutants homozygous for a 49 base pair deletion in exon 4. Thrombus formation secondary to vascular endothelial injury was absent in f5−/− mutant embryos and larvae. Despite this severe hemostatic defect, homozygous mutants survived before succumbing to severe hemorrhage in adulthood. Human F5 variants of uncertain significance from patients with FV deficiency were evaluated, and the causative mutations identified and stratified by their ability to restore thrombus formation in larvae. Analysis of these novel mutations demonstrates variable residual FV function, with minimal activity being required to restore hemostasis in response to laser-induced endothelial injury. This in vivo evaluation may be beneficial for patients whose factor activity levels lack correlation with bleeding symptomatology, although limitations exist. Furthermore, homozygous mutant embryos tolerate what is a severe and lethal defect in mammals, suggesting the possibility of species-specific factors enabling survival, and allowing further study not possible in the mouse. Identification of these factors or other genetic modifiers could lead to novel therapeutic modalities.
•f5 mutant fish embryos tolerate symptoms lethal in mammals but succumb to bleeding in adulthood.•Analysis of patient F5 variants demonstrate that all have some residual ability to restore hemostasis in response to endothelial injury.
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doi_str_mv | 10.1182/bloodadvances.2018029066 |
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•f5 mutant fish embryos tolerate symptoms lethal in mammals but succumb to bleeding in adulthood.•Analysis of patient F5 variants demonstrate that all have some residual ability to restore hemostasis in response to endothelial injury.
[Display omitted]</description><identifier>ISSN: 2473-9529</identifier><identifier>EISSN: 2473-9537</identifier><identifier>DOI: 10.1182/bloodadvances.2018029066</identifier><identifier>PMID: 31167819</identifier><language>eng</language><publisher>United States: Elsevier Inc</publisher><subject>Thrombosis and Hemostasis</subject><ispartof>Blood advances, 2019-06, Vol.3 (11), p.1670-1680</ispartof><rights>2019 American Society of Hematology</rights><rights>2019 by The American Society of Hematology.</rights><rights>2019 by The American Society of Hematology 2019</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c479t-a5e6e9550625a6120b7a438e45f48249db60341fad720183ef58be18b851cbac3</citedby><cites>FETCH-LOGICAL-c479t-a5e6e9550625a6120b7a438e45f48249db60341fad720183ef58be18b851cbac3</cites><orcidid>0000-0003-2595-8541 ; 0000-0002-2874-4904 ; 0000-0003-3457-1410 ; 0000-0003-2221-3325 ; 0000-0002-8527-7556 ; 0000-0001-7423-9864</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC6560344/pdf/$$EPDF$$P50$$Gpubmedcentral$$H</linktopdf><linktohtml>$$Uhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC6560344/$$EHTML$$P50$$Gpubmedcentral$$H</linktohtml><link.rule.ids>230,314,727,780,784,864,885,27924,27925,53791,53793</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/31167819$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Weyand, Angela C.</creatorcontrib><creatorcontrib>Grzegorski, Steve J.</creatorcontrib><creatorcontrib>Rost, Megan S.</creatorcontrib><creatorcontrib>Lavik, Kari I.</creatorcontrib><creatorcontrib>Ferguson, Allison C.</creatorcontrib><creatorcontrib>Menegatti, Marzia</creatorcontrib><creatorcontrib>Richter, Catherine E.</creatorcontrib><creatorcontrib>Asselta, Rosanna</creatorcontrib><creatorcontrib>Duga, Stefano</creatorcontrib><creatorcontrib>Peyvandi, Flora</creatorcontrib><creatorcontrib>Shavit, Jordan A.</creatorcontrib><title>Analysis of factor V in zebrafish demonstrates minimal levels needed for early hemostasis</title><title>Blood advances</title><addtitle>Blood Adv</addtitle><description>In humans, coagulation factor V (FV) deficiency is a rare, clinically heterogeneous bleeding disorder, suggesting that genetic modifiers may contribute to disease expressivity. Zebrafish possess many distinct advantages including high fecundity, optical clarity, external development, and homology with the mammalian hemostatic system, features that make it ideal for genetic studies. Our aim was to study the role of FV in zebrafish through targeted mutagenesis and apply the model to the study of human F5 variants. CRISPR-mediated genome editing of the zebrafish f5 locus was performed, generating mutants homozygous for a 49 base pair deletion in exon 4. Thrombus formation secondary to vascular endothelial injury was absent in f5−/− mutant embryos and larvae. Despite this severe hemostatic defect, homozygous mutants survived before succumbing to severe hemorrhage in adulthood. Human F5 variants of uncertain significance from patients with FV deficiency were evaluated, and the causative mutations identified and stratified by their ability to restore thrombus formation in larvae. Analysis of these novel mutations demonstrates variable residual FV function, with minimal activity being required to restore hemostasis in response to laser-induced endothelial injury. This in vivo evaluation may be beneficial for patients whose factor activity levels lack correlation with bleeding symptomatology, although limitations exist. Furthermore, homozygous mutant embryos tolerate what is a severe and lethal defect in mammals, suggesting the possibility of species-specific factors enabling survival, and allowing further study not possible in the mouse. Identification of these factors or other genetic modifiers could lead to novel therapeutic modalities.
•f5 mutant fish embryos tolerate symptoms lethal in mammals but succumb to bleeding in adulthood.•Analysis of patient F5 variants demonstrate that all have some residual ability to restore hemostasis in response to endothelial injury.
[Display omitted]</description><subject>Thrombosis and Hemostasis</subject><issn>2473-9529</issn><issn>2473-9537</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2019</creationdate><recordtype>article</recordtype><recordid>eNqFkM1KAzEURoMottS-guQFWpPMJJPZCLX4BwU3KrgKmeTGRqaTkoyF-vSmVKuuXCWQ7zv35iCEKZlSKtlF04Zgtd3ozkCaMkIlYTUR4ggNWVkVk5oX1fHhzuoBGqf0RgihlSh4zU7RoKBUVJLWQ_Qy63S7TT7h4LDTpg8RP2Pf4Q9oonY-LbGFVehSH3UPCa9851e6xS1soE24A7Bgscst0LHd4mUOp15n4Bk6cbpNMP46R-jp5vpxfjdZPNzez2eLiSmrup9oDgJqzolgXAvKSFPpspBQcldKVta2EaQoqdO22n21AMdlA1Q2klPTaFOM0OWeu35vVmANdHnVVq1j3jNuVdBe_X3p_FK9ho0SfEcuM0DuASaGlCK4Q5cStTOu_hhXP8Zz9fz37EPx228OXO0DWRZsPESVjIeMsT6C6ZUN_v8pn0i9mhQ</recordid><startdate>20190611</startdate><enddate>20190611</enddate><creator>Weyand, Angela C.</creator><creator>Grzegorski, Steve J.</creator><creator>Rost, Megan S.</creator><creator>Lavik, Kari I.</creator><creator>Ferguson, Allison C.</creator><creator>Menegatti, Marzia</creator><creator>Richter, Catherine E.</creator><creator>Asselta, Rosanna</creator><creator>Duga, Stefano</creator><creator>Peyvandi, Flora</creator><creator>Shavit, Jordan A.</creator><general>Elsevier Inc</general><general>American Society of Hematology</general><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>5PM</scope><orcidid>https://orcid.org/0000-0003-2595-8541</orcidid><orcidid>https://orcid.org/0000-0002-2874-4904</orcidid><orcidid>https://orcid.org/0000-0003-3457-1410</orcidid><orcidid>https://orcid.org/0000-0003-2221-3325</orcidid><orcidid>https://orcid.org/0000-0002-8527-7556</orcidid><orcidid>https://orcid.org/0000-0001-7423-9864</orcidid></search><sort><creationdate>20190611</creationdate><title>Analysis of factor V in zebrafish demonstrates minimal levels needed for early hemostasis</title><author>Weyand, Angela C. ; Grzegorski, Steve J. ; Rost, Megan S. ; Lavik, Kari I. ; Ferguson, Allison C. ; Menegatti, Marzia ; Richter, Catherine E. ; Asselta, Rosanna ; Duga, Stefano ; Peyvandi, Flora ; Shavit, Jordan A.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c479t-a5e6e9550625a6120b7a438e45f48249db60341fad720183ef58be18b851cbac3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2019</creationdate><topic>Thrombosis and Hemostasis</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Weyand, Angela C.</creatorcontrib><creatorcontrib>Grzegorski, Steve J.</creatorcontrib><creatorcontrib>Rost, Megan S.</creatorcontrib><creatorcontrib>Lavik, Kari I.</creatorcontrib><creatorcontrib>Ferguson, Allison C.</creatorcontrib><creatorcontrib>Menegatti, Marzia</creatorcontrib><creatorcontrib>Richter, Catherine E.</creatorcontrib><creatorcontrib>Asselta, Rosanna</creatorcontrib><creatorcontrib>Duga, Stefano</creatorcontrib><creatorcontrib>Peyvandi, Flora</creatorcontrib><creatorcontrib>Shavit, Jordan A.</creatorcontrib><collection>PubMed</collection><collection>CrossRef</collection><collection>PubMed Central (Full Participant titles)</collection><jtitle>Blood advances</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Weyand, Angela C.</au><au>Grzegorski, Steve J.</au><au>Rost, Megan S.</au><au>Lavik, Kari I.</au><au>Ferguson, Allison C.</au><au>Menegatti, Marzia</au><au>Richter, Catherine E.</au><au>Asselta, Rosanna</au><au>Duga, Stefano</au><au>Peyvandi, Flora</au><au>Shavit, Jordan A.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Analysis of factor V in zebrafish demonstrates minimal levels needed for early hemostasis</atitle><jtitle>Blood advances</jtitle><addtitle>Blood Adv</addtitle><date>2019-06-11</date><risdate>2019</risdate><volume>3</volume><issue>11</issue><spage>1670</spage><epage>1680</epage><pages>1670-1680</pages><issn>2473-9529</issn><eissn>2473-9537</eissn><abstract>In humans, coagulation factor V (FV) deficiency is a rare, clinically heterogeneous bleeding disorder, suggesting that genetic modifiers may contribute to disease expressivity. Zebrafish possess many distinct advantages including high fecundity, optical clarity, external development, and homology with the mammalian hemostatic system, features that make it ideal for genetic studies. Our aim was to study the role of FV in zebrafish through targeted mutagenesis and apply the model to the study of human F5 variants. CRISPR-mediated genome editing of the zebrafish f5 locus was performed, generating mutants homozygous for a 49 base pair deletion in exon 4. Thrombus formation secondary to vascular endothelial injury was absent in f5−/− mutant embryos and larvae. Despite this severe hemostatic defect, homozygous mutants survived before succumbing to severe hemorrhage in adulthood. Human F5 variants of uncertain significance from patients with FV deficiency were evaluated, and the causative mutations identified and stratified by their ability to restore thrombus formation in larvae. Analysis of these novel mutations demonstrates variable residual FV function, with minimal activity being required to restore hemostasis in response to laser-induced endothelial injury. This in vivo evaluation may be beneficial for patients whose factor activity levels lack correlation with bleeding symptomatology, although limitations exist. Furthermore, homozygous mutant embryos tolerate what is a severe and lethal defect in mammals, suggesting the possibility of species-specific factors enabling survival, and allowing further study not possible in the mouse. Identification of these factors or other genetic modifiers could lead to novel therapeutic modalities.
•f5 mutant fish embryos tolerate symptoms lethal in mammals but succumb to bleeding in adulthood.•Analysis of patient F5 variants demonstrate that all have some residual ability to restore hemostasis in response to endothelial injury.
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subjects | Thrombosis and Hemostasis |
title | Analysis of factor V in zebrafish demonstrates minimal levels needed for early hemostasis |
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