Dr. Andrea Szuchman-Sapir : Vascular Signaling Research

EPA-lactone derivative, 5,6-diHETE lactone, improves pulmonary arterial hypertension in a monocrotaline-induced model

Karthik Dhananjayan, Offir Ertracht, Shaul Atar, Alejandro Livoff, Mona Shehadeh, Andrea Szuchman-Sapir
2025 , Front. Pharmacol., 10 July 2025

5, 6-diHETE lactone (EPA-L) mediates hypertensive microvascular dilation by activating the endothelial GPR-PLC-IP3 signaling pathway

Asulin, M., Gorodetzer, N., Fridman, R., Ben-Shushan, R. S., Cohen, Z., Beyer, A., Chuyun, D.,Gutterman, D., Szuchman-Sapir‏
2024 , Biochem. Biophys. Res. Comm., 700; 149585

Fishing for lipid lactones using selective reaction and characteristic fragmentation pattern

Slutsky Smith EA, Khatib S, Szuchman-Sapir A.
2022 , Journal of Chromatography B, 1197:123201

Paraoxonase 1 hydrolysis of EPA-derived lactone impairs endothelial-mediated vasodilation

Pinhas S, Amram E, Slutsky-Smith E, Ertracht O, Atar S, Chuyun D, Szuchman-Sapir A.
2022 , Prostaglandins & Other Lipid Mediators
Volume 162, October 2022, 106665

Vasodilation and blood pressure-lowering effect mediated by 5,6-EEQ lactone in 5/6 nephrectomy hypertensive rats

Barsheshet M, Ertracht O, Boginya A, Reuveni T, Shaul A, Szuchman-Sapir A.
2021 , Biochimica et Biophysica Acta (BBA) - Molecular and Cell Biology of Lipids, 1866(12):159031

The uptake mechanism and intracellular fate of Paraoxonase-1 in endothelial cells

Ben-David Raz, Chuyun Dimitry, Szuchman-Sapir Andrea
2020 , Free Radical Biology and Medicine

Paraoxonase 1 in endothelial cells impairs vasodilation induced by arachidonic acid lactone metabolite.

Gilad D, Atiya S, Mozes-Autmazgin Z, Shelly Ben-Shushan R, Ben-David R, Amram E, Tamir S, Chuyun D, and Szuchman-Sapir A.
2018

5,6-?-DHTL, a stable metabolite of arachidonic acid, is a potential EDHF that mediates microvascular dilation.

Levi-Rosenzvig R, Beyer AB, Hockenberry J, Shelly Ben-Shushan R, Chuyun D, Atiya S, Tamir S, Gutterman DD, Szuchman-Sapir A.
2017 , FRBM 2017 Volume 103 Pages 87?94

In-vivo oxidized albumin? a pro-inflammatory agent in hypoalbuminemia.

Magzal F, Sela S, Szuchman-Sapir A, Tamir S, Michelis R, Kristal B
2017 , PLoS One 2017 Volume 24 Issue 5 Pages 1-14

Glabridin, an isoflavan from licorice root, up-regulates paraoxonase 2 expression under hyperglycemia and protects it from oxidation

Yehuda I, Madar Z, Leikin-Frenkel A, Szuchman-Sapir A, Magzal F, Markman G, Tamir S
2016 , Molecular Nutrition & Food Research 2016 Volume 60 Issue 2 Pages 287-99

Neutrophils recruited to the myocardium after acute experimental myocardial infarct generate hypochlorous acid that oxidizes cardiac myoglobin.

Wang XS , Kim HB , Szuchman-Sapir A , McMahon A , Dennis JM , Witting PK.
2016 , Archives of Biochemistry and Biophysics 2016 Volume 612 Pages 103-114

5,6-?-DHTL, a stable metabolite of arachidonic acid, is a potential substrate for paraoxonase 1

Eryanni S, Khatib S, Levi-Rosenzvig R, Tamir S, Szuchman-Sapir A
2015 , BBA Molecular and Cell Biology of Lipids 2015 Volume 1851 Pages 1118-1122

Human atherosclerotic plaque lipid extract impairs the antioxidant defense capacity of monocytes

A. Szuchman-Sapir; M. Etzman; S. Tamir
2012 , Biochemical and Biophysical Research Communications 2012 Volume 423 Issue 4 Pages 884-888

Human atherosclerotic plaque lipid extract promotes expression of proinflammatory factors in human monocytes and macrophage-like cells

H. Yehuda; A. Szuchman-Sapir; S. Khatib; R. Musa; S. Tamir
2011 , Atherosclerosis 2011 Volume 218 Issue 2 Pages 339-343

Oxysterols formation as a reflection of biochemical pathways: summary of in-vitro and in-vivo studies

Jacob Vaya, Andrea Szuchman, Hagai Tavori, Yuval Aluf
2011 , Chemistry and Physics Lipids 2011 Volume 164 Issue 6 Pages 438-42

Glabridin, a phytoestrogen from licorice root, up-regulates the intracellular antioxidant defense mechanism under glucose stress

Itamar Yehuda1, Zecharia Madar 2, Andrea Szuchman-Sapir1, Snait Tamir 1, 3.
2011 , Phytotherapy Research 2011 Volume 25 Issue 5 Pages 659-67

Site ?specific hypochlorous acid-induced oxidation of recombinant human myoglobin affects specific amino acid residues and the rate of cytochrome b5-mediated heme reduction

Andrea Szuchman-Sapir,* David I. Pattison,? Michael J. Davies,? Paul K. Witting*
2010 , FRBM 2010 Volume 48 Issue 11 Pages 35-46

Hypochlorous acid oxidizes methionine and tryptophan residues in myoglobin

Szuchman-Sapir A, Pattison DI, Ellis NA, Hawkins CL, Davies MJ, Witting PK
2008 , FRBM. 2008 Issue 45 Pages 789-98

Polymorphonuclear leukocyte phagocytic function increases in plasminogen knockout mice

Witting P, Zeng B, Wong M, McMahon AC, Rayner BS, Sapir AJ, Lowe HC, Freedman SB, Brieger DB
2008 , Tromb Res. 2008 Issue 122 Pages 674-82

Characterization of oxidative stress in blood from diabetic versus hypercholesterolemic patients, using a novel synthesized marker

Szuchman A, Aviram M, Musa R, Soliman K, Vaya J.
2007 , Biomarkers 2007 Volume 30 Pages 1-13

Exogenous N-linoleoyl tyrosine marker as a tool for the characterization of cellular oxidative stress in macrophages

A. Szuchman; M. Aviram; K. Soliman; S. Tamir; J. Vaya
2006 , Free Radical Research 2006 Volume 40 Issue 1 Pages 41-52

Exogenous N-linoleoyl tyrosine marker as a tool for the characterization of cellular oxidative stress in macrophages

A. Szuchman; M. Aviram; K. Soliman; S. Tamir; J. Vaya
2006 , Free Radical Research 2006 Volume 40 Issue 1 Pages 41-52

Cholesterol, linoleic acid or/and tyrosine yield different spectra of products when oxidized alone or in a mixture: Studies in various oxidative systems

A. Szuchman; M. Aviram; S. Tamir; J. Vaya
2003 , Free Radical Research 2003 Volume 37 Issue 12 Pages 1277-1288