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Abdullah S, Ghio M, Cotton-Betteridge A, Vinjamuri A, Drury R, Packer J, Aras O, Friedman J, Karim M, Engelhardt D, Kosowski E, Duong K, Shaheen F, McGrew PR, Harris CT, Reily R, Sammarco M, Chandra PK, Pociask D, Kolls J, Katakam PV, Smith A, Taghavi S, Duchesne J, Jackson-Weaver O. Succinate metabolism and membrane reorganization drives the endotheliopathy and coagulopathy of traumatic hemorrhage. Sci Adv 2023; 9:eadf6600. [PMID: 37315138 PMCID: PMC10266735 DOI: 10.1126/sciadv.adf6600] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/29/2022] [Accepted: 05/10/2023] [Indexed: 06/16/2023]
Abstract
Acute hemorrhage commonly leads to coagulopathy and organ dysfunction or failure. Recent evidence suggests that damage to the endothelial glycocalyx contributes to these adverse outcomes. The physiological events mediating acute glycocalyx shedding are undefined, however. Here, we show that succinate accumulation within endothelial cells drives glycocalyx degradation through a membrane reorganization-mediated mechanism. We investigated this mechanism in a cultured endothelial cell hypoxia-reoxygenation model, in a rat model of hemorrhage, and in trauma patient plasma samples. We found that succinate metabolism by succinate dehydrogenase mediates glycocalyx damage through lipid oxidation and phospholipase A2-mediated membrane reorganization, promoting the interaction of matrix metalloproteinase 24 (MMP24) and MMP25 with glycocalyx constituents. In a rat hemorrhage model, inhibiting succinate metabolism or membrane reorganization prevented glycocalyx damage and coagulopathy. In patients with trauma, succinate levels were associated with glycocalyx damage and the development of coagulopathy, and the interaction of MMP24 and syndecan-1 was elevated compared to healthy controls.
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Affiliation(s)
- Sarah Abdullah
- Department of Surgery, Tulane University School of Medicine, New Orleans, LA, USA
| | - Michael Ghio
- Department of Surgery, Tulane University School of Medicine, New Orleans, LA, USA
| | | | | | - Robert Drury
- Tulane University School of Medicine, New Orleans, LA, USA
| | - Jacob Packer
- Tulane University School of Medicine, New Orleans, LA, USA
| | - Oguz Aras
- Tulane University School of Medicine, New Orleans, LA, USA
| | - Jessica Friedman
- Department of Surgery, Tulane University School of Medicine, New Orleans, LA, USA
| | - Mardeen Karim
- Tulane University School of Medicine, New Orleans, LA, USA
| | | | | | - Kelby Duong
- Tulane University School of Medicine, New Orleans, LA, USA
| | - Farhana Shaheen
- Department of Surgery, Tulane University School of Medicine, New Orleans, LA, USA
| | - Patrick R. McGrew
- Department of Surgery, Tulane University School of Medicine, New Orleans, LA, USA
- University Medical Center, New Orleans, LA, USA
| | - Charles T. Harris
- Department of Surgery, Tulane University School of Medicine, New Orleans, LA, USA
- University Medical Center, New Orleans, LA, USA
| | - Robert Reily
- Department of Surgery, Tulane University School of Medicine, New Orleans, LA, USA
- University Medical Center, New Orleans, LA, USA
| | - Mimi Sammarco
- Department of Surgery, Tulane University School of Medicine, New Orleans, LA, USA
| | - Partha K. Chandra
- Department of Pharmacology, Tulane University School of Medicine, New Orleans, LA, USA
| | - Derek Pociask
- Tulane University School of Medicine, Center for Translational Research in Infection and Inflammation, New Orleans, LA, USA
| | - Jay Kolls
- Tulane University School of Medicine, Center for Translational Research in Infection and Inflammation, New Orleans, LA, USA
| | - Prasad V. Katakam
- Department of Pharmacology, Tulane University School of Medicine, New Orleans, LA, USA
| | - Alison Smith
- Louisiana State University Health Sciences Center, New Orleans, LA, USA
- University Medical Center, New Orleans, LA, USA
| | - Sharven Taghavi
- Department of Surgery, Tulane University School of Medicine, New Orleans, LA, USA
- University Medical Center, New Orleans, LA, USA
| | - Juan Duchesne
- Department of Surgery, Tulane University School of Medicine, New Orleans, LA, USA
- University Medical Center, New Orleans, LA, USA
| | - Olan Jackson-Weaver
- Department of Surgery, Tulane University School of Medicine, New Orleans, LA, USA
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Umar M, Bartoletti G, Dong C, Gahankari A, Browne D, Deng A, Jaramillo J, Sammarco M, Simkin J, He F. Characterizing the role of Pdgfra in calvarial development. Dev Dyn 2023; 252:589-604. [PMID: 36606407 PMCID: PMC10159935 DOI: 10.1002/dvdy.564] [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: 08/05/2022] [Revised: 12/21/2022] [Accepted: 12/28/2022] [Indexed: 01/07/2023] Open
Abstract
BACKGROUND Mammalian calvarium is composed of flat bones developed from two origins, neural crest, and mesoderm. Cells from both origins exhibit similar behavior but express distinct transcriptomes. It is intriguing to ask whether genes shared by both origins play similar or distinct roles in development. In the present study, we have examined the role of Pdgfra, which is expressed in both neural crest and mesoderm, in specific lineages during calvarial development. RESULTS We found that in calvarial progenitor cells, Pdgfra is needed to maintain normal proliferation and migration of neural crest cells but only proliferation of mesoderm cells. Later in calvarial osteoblasts, we found that Pdgfra is necessary for both proliferation and differentiation of neural crest-derived cells, but not for differentiation of mesoderm-derived cells. We also examined the potential interaction between Pdgfra and other signaling pathway involved in calvarial osteoblasts but did not identify significant alteration of Wnt or Hh signaling activity in Pdgfra genetic models. CONCLUSIONS Pdgfra is required for normal calvarial development in both neural crest cells and mesoderm cells, but these lineages exhibit distinct responses to alteration of Pdgfra activity.
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Affiliation(s)
- Meenakshi Umar
- Department of Cell and Molecular Biology, School of Science and Engineering, Tulane University, New Orleans, Louisiana, USA
| | - Garrett Bartoletti
- Department of Cell and Molecular Biology, School of Science and Engineering, Tulane University, New Orleans, Louisiana, USA
| | - Chunmin Dong
- Department of Cell and Molecular Biology, School of Science and Engineering, Tulane University, New Orleans, Louisiana, USA
| | - Apurva Gahankari
- Department of Cell and Molecular Biology, School of Science and Engineering, Tulane University, New Orleans, Louisiana, USA
| | - Danielle Browne
- Department of Cell and Molecular Biology, School of Science and Engineering, Tulane University, New Orleans, Louisiana, USA
| | - Alastair Deng
- Department of Cell and Molecular Biology, School of Science and Engineering, Tulane University, New Orleans, Louisiana, USA
| | - Josue Jaramillo
- Department of Surgery, Tulane School of Medicine, New Orleans, Louisiana, USA
| | - Mimi Sammarco
- Department of Surgery, Tulane School of Medicine, New Orleans, Louisiana, USA
| | - Jennifer Simkin
- Department of Orthopaedic Surgery, Health Sciences Center, Louisiana State University, New Orleans, Louisiana, USA
| | - Fenglei He
- Department of Cell and Molecular Biology, School of Science and Engineering, Tulane University, New Orleans, Louisiana, USA
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Marrero L, Simkin J, Sammarco M, Muneoka K. Fibroblast reticular cells engineer a blastema extracellular network during digit tip regeneration in mice. ACTA ACUST UNITED AC 2017; 4:69-84. [PMID: 28616246 PMCID: PMC5469731 DOI: 10.1002/reg2.75] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2016] [Revised: 01/27/2017] [Accepted: 02/24/2017] [Indexed: 12/11/2022]
Abstract
The regeneration blastema which forms following amputation of the mouse digit tip is composed of undifferentiated cells bound together by an organized network of fibers. A monoclonal antibody (ER‐TR7) that identifies extracellular matrix (ECM) fibers produced by fibroblast reticular cells during lymphoid organogenesis was used to characterize the ECM of the digit, the blastema, and the regenerate. Digit fibroblast reticular cells produce an ER‐TR7+ ECM network associated with different tissues and represent a subset of loose connective tissue fibroblasts. During blastema formation there is an upregulation of matrix production that returns to its pre‐existing level and anatomical pattern in the endpoint regenerate. Co‐localization studies demonstrate a strong spatial correlation between the ER‐TR7 antigen and collagen type III (COL3) in histological sections. ER‐TR7 and COL3 are co‐induced in cultured digit fibroblasts following treatment with tumor necrosis factor alpha and a lymphotoxin beta receptor agonist. These results provide an initial characterization of the ECM during digit regeneration and identify a subpopulation of fibroblasts involved in producing the blastema provisional matrix that is remodeled during the regeneration response.
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Affiliation(s)
- Luis Marrero
- Department of Cell and Molecular Biology Tulane University New Orleans LA 70118 USA.,Department of Medicine Louisiana State University Health Sciences Center New Orleans LA 70112 USA
| | - Jennifer Simkin
- Department of Cell and Molecular Biology Tulane University New Orleans LA 70118 USA
| | - Mimi Sammarco
- Department of Cell and Molecular Biology Tulane University New Orleans LA 70118 USA
| | - Ken Muneoka
- Department of Cell and Molecular Biology Tulane University New Orleans LA 70118 USA.,Department of Veterinary Physiology & Pharmacology Texas A&M University College Station TX7 7843 USA
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Carroll ML, Roy-Engel AM, Nguyen SV, Salem AH, Vogel E, Vincent B, Myers J, Ahmad Z, Nguyen L, Sammarco M, Watkins WS, Henke J, Makalowski W, Jorde LB, Deininger PL, Batzer MA. Large-scale analysis of the Alu Ya5 and Yb8 subfamilies and their contribution to human genomic diversity. J Mol Biol 2001; 311:17-40. [PMID: 11469855 DOI: 10.1006/jmbi.2001.4847] [Citation(s) in RCA: 123] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
We have utilized computational biology to screen GenBank for the presence of recently integrated Ya5 and Yb8 Alu family members. Our analysis identified 2640 Ya5 Alu family members and 1852 Yb8 Alu family members from the draft sequence of the human genome. We selected a set of 475 of these elements for detailed analyses. Analysis of the DNA sequences from the individual Alu elements revealed a low level of random mutations within both subfamilies consistent with the recent origin of these elements within the human genome. Polymerase chain reaction assays were used to determine the phylogenetic distribution and human genomic variation associated with each Alu repeat. Over 99 % of the Ya5 and Yb8 Alu family members were restricted to the human genome and absent from orthologous positions within the genomes of several non-human primates, confirming the recent origin of these Alu subfamilies in the human genome. Approximately 1 % of the analyzed Ya5 and Yb8 Alu family members had integrated into previously undefined repeated regions of the human genome. Analysis of mosaic Yb8 elements suggests gene conversion played an important role in generating sequence diversity among these elements. Of the 475 evaluated elements, a total of 106 of the Ya5 and Yb8 Alu family members were polymorphic for insertion presence/absence within the genomes of a diverse array of human populations. The newly identified Alu insertion polymorphisms will be useful tools for the study of human genomic diversity.
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Affiliation(s)
- M L Carroll
- Departments of Pathology, Genetics Biochemistry and Molecular Biology Stanley S. Scott Cancer Center Neuroscience Center of Excellence, Louisiana State University Health Sciences Center, 1901 Perdido Street, New Orleans 70112, USA
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Palombi M, Bochicchio O, Gargiulo M, Sammarco M. [Alternative therapy of deep venous thrombosis in patients at hemorrhagic risk]. MINERVA CHIR 1994; 49:189-94. [PMID: 8028729] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
The authors report on the pharmacological employment of defibrotide in the treatment of a case of deep vein thrombosis (DVT) of the left iliac-femoral veins in a patient with a high-risk of hemorrhage (haematuria from kidney neoplasm, rupture of basilar artery aneurysm, urethral bleeding from catheter trauma). Alternatively to the traditional thrombolytic and anticoagulants, not indicated here for their haemorrhagic risk potential, defibrotide promptly resolved the DVT without any major effect on blood coagulation parameters. Initially, 1 gr of defibrotide in 250 ml of glucose-1-phosphate solution was administered twice-daily for the first two days when improvement had been observed. An additional 5 days of therapy was continued under the same regimen, then 400 mg intravenously every 2 hours for 14 days, and 400 mg intramuscularly every 24 hours until the 30th day. The patient was dismissed from the hospital on therapy with indobufen 200 mg orally, and elastic support stocking. After 6 months the patient is well. An echo color Doppler evaluation showed a normal venous blood flow through the femoral, iliac and caval veins, and venous blood reflux in the iliac-femoral and femoral saphenous veins due to valvular insufficiency. Caval filters, although recognized by many institutions as a preferred method of protection against pulmonary thromboembolism especially in patients with a contraindication to anticoagulation therapy or recurrent pulmonary embolism, was not used in this case, since the patient was critically ill. From this case report and the review of the literature it seems that defibrotide may represent a valid alternative therapy in the treatment of DVT, especially in high risk haemorrhagic patients.
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Affiliation(s)
- M Palombi
- Divisione Chirurgia Generale, USL RM n. 6, Ospedale CTO, Roma
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