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Last Name

Posnack, Nikki

TitleAssistant Professor
InstitutionChildrens National Medical Center
DepartmentSheikh Zayed Institute
Address111 Michigan Ave NW
Washington DC 20010
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    Collapse Bibliographic 
    Collapse selected publications
    Publications listed below are automatically derived from MEDLINE/PubMed and other sources, which might result in incorrect or missing publications. Faculty can login to make corrections and additions.
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    1. Swift LM, Jaimes R, McCullough D, Burke M, Reilly M, Maeda T, Zhang H, Ishibashi N, Rogers JM, Posnack NG. Optocardiography and Electrophysiology Studies of Ex Vivo Langendorff-perfused Hearts. J Vis Exp. 2019 Nov 07; (153). PMID: 31762469.
      View in: PubMed
    2. Jaimes R, McCullough D, Siegel B, Swift L, Hiebert J, Mclnerney D, Posnack NG. Lights, camera, path splitter: a new approach for truly simultaneous dual optical mapping of the heart with a single camera. BMC Biomed Eng. 2019; 1. PMID: 31768502.
      View in: PubMed
    3. Jaimes R, McCullough D, Siegel B, Swift L, McInerney D, Hiebert J, Perez-Alday EA, Trenor B, Sheng J, Saiz J, Tereshchenko LG, Posnack NG. Plasticizer Interaction With the Heart. Circ Arrhythm Electrophysiol. 2019 Jul; 12(7):e007294. PMID: 31248280.
      View in: PubMed
    4. Tereshchenko LG, Posnack NG. Does plastic chemical exposure contribute to sudden death of patients on dialysis? Heart Rhythm. 2019 Feb; 16(2):312-317. PMID: 30144582.
      View in: PubMed
    5. Ramadan M, Sherman M, Jaimes R, Chaluvadi A, Swift L, Posnack NG. Disruption of neonatal cardiomyocyte physiology following exposure to bisphenol-a. Sci Rep. 2018 May 09; 8(1):7356. PMID: 29743542.
      View in: PubMed
    6. Jaimes R, Swiercz A, Sherman M, Muselimyan N, Marvar PJ, Posnack NG. Plastics and cardiovascular health: phthalates may disrupt heart rate variability and cardiovascular reactivity. Am J Physiol Heart Circ Physiol. 2017 Nov 01; 313(5):H1044-H1053. PMID: 28842438.
      View in: PubMed
    7. Karabekian Z, Ding H, Stybayeva G, Ivanova I, Muselimyan N, Haque A, Toma I, Posnack NG, Revzin A, Leitenberg D, Laflamme MA, Sarvazyan N. HLA Class I Depleted hESC as a Source of Hypoimmunogenic Cells for Tissue Engineering Applications. Tissue Eng Part A. 2015 Oct; 21(19-20):2559-71. PMID: 26218149; PMCID: PMC4605353 [Available on 10/01/16].
    8. Jaimes R, Kuzmiak-Glancy S, Brooks DM, Swift LM, Posnack NG, Kay MW. Functional response of the isolated, perfused normoxic heart to pyruvate dehydrogenase activation by dichloroacetate and pyruvate. Pflugers Arch. 2016 Jan; 468(1):131-42. PMID: 26142699; PMCID: PMC4701640.
    9. Posnack NG, Brooks D, Chandra A, Jaimes R, Sarvazyan N, Kay M. Physiological response of cardiac tissue to bisphenol A: alterations in ventricular pressure and contractility. Am J Physiol Heart Circ Physiol. 2015 Jul 15; 309(2):H267-75. PMID: 25980024.
      View in: PubMed
    10. Posnack NG, Idrees R, Ding H, Jaimes R, Stybayeva G, Karabekian Z, Laflamme MA, Sarvazyan N. Exposure to phthalates affects calcium handling and intercellular connectivity of human stem cell-derived cardiomyocytes. PLoS One. 2015; 10(3):e0121927. PMID: 25799571.
      View in: PubMed
    11. Karabekian Z, Idrees S, Ding H, Jamshidi A, Posnack NG, Sarvazyan N. Downregulation of beta-microglobulin to diminish T-lymphocyte lysis of non-syngeneic cell sources of engineered heart tissue constructs. Biomed Mater. 2015 Mar 16; 10(3):034101. PMID: 25775354.
      View in: PubMed
    12. Wengrowski AM, Wang X, Tapa S, Posnack NG, Mendelowitz D, Kay MW. Optogenetic release of norepinephrine from cardiac sympathetic neurons alters mechanical and electrical function. Cardiovasc Res. 2015 Feb 01; 105(2):143-50. PMID: 25514932; PMCID: PMC4351353.
    13. Posnack NG. The adverse cardiac effects of Di(2-ethylhexyl)phthalate and Bisphenol A. Cardiovasc Toxicol. 2014 Dec; 14(4):339-57. PMID: 24811950.
      View in: PubMed
    14. Posnack NG, Jaimes R, Asfour H, Swift LM, Wengrowski AM, Sarvazyan N, Kay MW. Bisphenol A exposure and cardiac electrical conduction in excised rat hearts. Environ Health Perspect. 2014 Apr; 122(4):384-90. PMID: 24487307; PMCID: PMC3984226.
    15. Swift LM, Asfour H, Posnack NG, Arutunyan A, Kay MW, Sarvazyan N. Properties of blebbistatin for cardiac optical mapping and other imaging applications. Pflugers Arch. 2012 Nov; 464(5):503-12. PMID: 22990759; PMCID: PMC3586237.
    16. Posnack NG, Swift LM, Kay MW, Lee NH, Sarvazyan N. Phthalate exposure changes the metabolic profile of cardiac muscle cells. Environ Health Perspect. 2012 Sep; 120(9):1243-51. PMID: 22672789; PMCID: PMC3440133.
    17. Karabekian Z, Posnack NG, Sarvazyan N. Immunological barriers to stem-cell based cardiac repair. Stem Cell Rev. 2011 Jun; 7(2):315-25. PMID: 21086071; PMCID: PMC3073044.
    18. Posnack NG, Lee NH, Brown R, Sarvazyan N. Gene expression profiling of DEHP-treated cardiomyocytes reveals potential causes of phthalate arrhythmogenicity. Toxicology. 2011 Jan 11; 279(1-3):54-64. PMID: 20920545; PMCID: PMC3003946.
    19. Karabekian Z, Gillum ND, Wong EW, Sarvazyan N. Effects of N-cadherin overexpression on the adhesion properties of embryonic stem cells. Cell Adh Migr. 2009 Jul-Sep; 3(3):305-10. PMID: 19377287; PMCID: PMC2712817.
    20. Gillum N, Karabekian Z, Swift LM, Brown RP, Kay MW, Sarvazyan N. Clinically relevant concentrations of di (2-ethylhexyl) phthalate (DEHP) uncouple cardiac syncytium. Toxicol Appl Pharmacol. 2009 Apr 01; 236(1):25-38. PMID: 19344669; PMCID: PMC2670944.
    21. Bakunts K, Gillum N, Karabekian Z, Sarvazyan N. Formation of cardiac fibers in Matrigel matrix. Biotechniques. 2008 Mar; 44(3):341-8. PMID: 18361788; PMCID: PMC3018284.
    22. Gillum N, Sarvazyan N. Adhesion proteins, stem cells, and arrhythmogenesis. Cardiovasc Toxicol. 2008 Mar; 8(1):1-13. PMID: 18176845; PMCID: PMC3018288.
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