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Lori Walker, MD

Title(s)Clinical Assistant Professor of Family Medicine (Practitioner)
SchoolKeck School of Medicine of USC
Phone+1 213 740 9355
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    Collapse Research 
    Collapse Research Activities and Funding
    Biochemical Markers of Progressive Heart Disease
    NIH/NHLBI R21HL104352Apr 1, 2011 - Dec 31, 2012
    Role: Co-Principal Investigator

    Collapse Bibliographic 
    Collapse Publications
    Publications listed below are automatically derived from MEDLINE/PubMed and other sources, which might result in incorrect or missing publications. Researchers can login to make corrections and additions, or contact us for help.
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    1. Chi C, Leonard A, Knight WE, Beussman KM, Zhao Y, Cao Y, Londono P, Aune E, Trembley MA, Small EM, Jeong MY, Walker LA, Xu H, Sniadecki NJ, Taylor MR, Buttrick PM, Song K. LAMP-2B regulates human cardiomyocyte function by mediating autophagosome-lysosome fusion. Proc Natl Acad Sci U S A. 2019 01 08; 116(2):556-565. PMID: 30584088.
      View in: PubMed
    2. Johnson-Sasso CP, Tompkins C, Kao DP, Walker LA. Marijuana use and short-term outcomes in patients hospitalized for acute myocardial infarction. PLoS One. 2018; 13(7):e0199705. PMID: 29995914.
      View in: PubMed
    3. Scalzo RL, Knaub LA, Hull SE, Keller AC, Hunter K, Walker LA, Reusch JEB. Glucagon-like peptide-1 receptor antagonism impairs basal exercise capacity and vascular adaptation to aerobic exercise training in rats. Physiol Rep. 2018 Jul; 6(13):e13754. PMID: 29984491.
      View in: PubMed
    4. Bruns DR, Walker LA. Exercise and Pharmacology as Medicine for Cardiovascular Diseases: From Bench to Bedside and Back. Exerc Sport Sci Rev. 2018 01; 46(1):2-3. PMID: 28902725.
      View in: PubMed
    5. Bruns DR, Ghincea AR, Ghincea CV, Azuma YT, Watson PA, Autieri MV, Walker LA. Interleukin-19 is cardioprotective in dominant negative cyclic adenosine monophosphate response-element binding protein-mediated heart failure in a sex-specific manner. World J Cardiol. 2017 Aug 26; 9(8):673-684. PMID: 28932356.
      View in: PubMed
    6. Horita H, Wysoczynski CL, Walker LA, Moulton KS, Li M, Ostriker A, Tucker R, McKinsey TA, Churchill ME, Nemenoff RA, Weiser-Evans MC. Nuclear PTEN functions as an essential regulator of SRF-dependent transcription to control smooth muscle differentiation. Nat Commun. 2016 Mar 04; 7:10830. PMID: 26940659.
      View in: PubMed
    7. Keller AC, Knaub LA, McClatchey PM, Connon CA, Bouchard R, Miller MW, Geary KE, Walker LA, Klemm DJ, Reusch JE. Differential Mitochondrial Adaptation in Primary Vascular Smooth Muscle Cells from a Diabetic Rat Model. Oxid Med Cell Longev. 2016; 2016:8524267. PMID: 27034743.
      View in: PubMed
    8. Bruns DR, Buttrick PM, Walker LA. Genetic ablation of interleukin-18 does not attenuate hypobaric hypoxia-induced right ventricular hypertrophy. Am J Physiol Lung Cell Mol Physiol. 2016 Mar 15; 310(6):L542-50. PMID: 26747780; PMCID: PMC4796262 [Available on 03/15/17].
    9. Zhao Y, Londono P, Cao Y, Sharpe EJ, Proenza C, O'Rourke R, Jones KL, Jeong MY, Walker LA, Buttrick PM, McKinsey TA, Song K. High-efficiency reprogramming of fibroblasts into cardiomyocytes requires suppression of pro-fibrotic signalling. Nat Commun. 2015 Sep 10; 6:8243. PMID: 26354680; PMCID: PMC4579788.
    10. Seo SW, Koeppen M, Bonney S, Gobel M, Thayer M, Harter PN, Ravid K, Eltzschig HK, Mittelbronn M, Walker L, Eckle T. Differential Tissue-Specific Function of Adora2b in Cardioprotection. J Immunol. 2015 Aug 15; 195(4):1732-43. PMID: 26136425; PMCID: PMC4576932.
    11. Bruns DR, Brown RD, Stenmark KR, Buttrick PM, Walker LA. Mitochondrial integrity in a neonatal bovine model of right ventricular dysfunction. Am J Physiol Lung Cell Mol Physiol. 2015 Jan 15; 308(2):L158-67. PMID: 25416385; PMCID: PMC4338944.
    12. Thoemmes SF, Stutzke CA, Du Y, Browning MD, Buttrick PM, Walker LA. Characterization and validation of new tools for measuring site-specific cardiac troponin I phosphorylation. J Immunol Methods. 2014 Jan 31; 403(1-2):66-71. PMID: 24291343; PMCID: PMC3945064.
    13. Walker LA, Fullerton DA, Buttrick PM. Contractile protein phosphorylation predicts human heart disease phenotypes. Am J Physiol Heart Circ Physiol. 2013 Jun 15; 304(12):H1644-50. PMID: 23564307; PMCID: PMC3680767.
    14. Walker LA, Buttrick PM. The right ventricle: biologic insights and response to disease: updated. Curr Cardiol Rev. 2013 Feb 01; 9(1):73-81. PMID: 23092273; PMCID: PMC3584309.
    15. Eckle T, Hartmann K, Bonney S, Reithel S, Mittelbronn M, Walker LA, Lowes BD, Han J, Borchers CH, Buttrick PM, Kominsky DJ, Colgan SP, Eltzschig HK. Adora2b-elicited Per2 stabilization promotes a HIF-dependent metabolic switch crucial for myocardial adaptation to ischemia. Nat Med. 2012 Apr 15; 18(5):774-82. PMID: 22504483; PMCID: PMC3378044.
    16. Vitello AM, Du Y, Buttrick PM, Walker LA. Serendipitous discovery of a novel protein signaling mechanism in heart failure. Biochem Biophys Res Commun. 2012 May 11; 421(3):431-5. PMID: 22503978; PMCID: PMC3351564.
    17. Cavasin MA, Demos-Davies K, Horn TR, Walker LA, Lemon DD, Birdsey N, Weiser-Evans MC, Harral J, Irwin DC, Anwar A, Yeager ME, Li M, Watson PA, Nemenoff RA, Buttrick PM, Stenmark KR, McKinsey TA. Selective class I histone deacetylase inhibition suppresses hypoxia-induced cardiopulmonary remodeling through an antiproliferative mechanism. Circ Res. 2012 Mar 02; 110(5):739-48. PMID: 22282194; PMCID: PMC3682822.
    18. Port JD, Walker LA, Polk J, Nunley K, Buttrick PM, Sucharov CC. Temporal expression of miRNAs and mRNAs in a mouse model of myocardial infarction. Physiol Genomics. 2011 Oct 06; 43(19):1087-95. PMID: 21771878; PMCID: PMC3217325.
    19. Walker LA, Walker JS, Glazier A, Brown DR, Stenmark KR, Buttrick PM. Biochemical and myofilament responses of the right ventricle to severe pulmonary hypertension. Am J Physiol Heart Circ Physiol. 2011 Sep; 301(3):H832-40. PMID: 21622821; PMCID: PMC3191097.
    20. Ambardekar AV, Walker JS, Walker LA, Cleveland JC, Lowes BD, Buttrick PM. Incomplete recovery of myocyte contractile function despite improvement of myocardial architecture with left ventricular assist device support. Circ Heart Fail. 2011 Jul; 4(4):425-32. PMID: 21540356; PMCID: PMC3407673.
    21. Walker JS, Walker LA, Margulies K, Buttrick P, de Tombe P. Protein kinase A changes calcium sensitivity but not crossbridge kinetics in human cardiac myofibrils. Am J Physiol Heart Circ Physiol. 2011 Jul; 301(1):H138-46. PMID: 21498779; PMCID: PMC3129926.
    22. Walker LA, Medway AM, Walker JS, Cleveland JC, Buttrick PM. Tissue procurement strategies affect the protein biochemistry of human heart samples. J Muscle Res Cell Motil. 2011 Mar; 31(5-6):309-14. PMID: 21184256.
      View in: PubMed
    23. Walker LA, Walker JS, Ambler SK, Buttrick PM. Stage-specific changes in myofilament protein phosphorylation following myocardial infarction in mice. J Mol Cell Cardiol. 2010 Jun; 48(6):1180-6. PMID: 19799909; PMCID: PMC4447307.
    24. Walker LA, Buttrick PM. The right ventricle: biologic insights and response to disease. Curr Cardiol Rev. 2009 Jan; 5(1):22-8. PMID: 20066144; PMCID: PMC2803284.
    25. Scruggs SB, Hinken AC, Thawornkaiwong A, Robbins J, Walker LA, de Tombe PP, Geenen DL, Buttrick PM, Solaro RJ. Ablation of ventricular myosin regulatory light chain phosphorylation in mice causes cardiac dysfunction in situ and affects neighboring myofilament protein phosphorylation. J Biol Chem. 2009 Feb 20; 284(8):5097-106. PMID: 19106098; PMCID: PMC2643522.
    26. Scruggs SB, Walker LA, Lyu T, Geenen DL, Solaro RJ, Buttrick PM, Goldspink PH. Partial replacement of cardiac troponin I with a non-phosphorylatable mutant at serines 43/45 attenuates the contractile dysfunction associated with PKCepsilon phosphorylation. J Mol Cell Cardiol. 2006 Apr; 40(4):465-73. PMID: 16445938.
      View in: PubMed
    27. Jweied EE, McKinney RD, Walker LA, Brodsky I, Geha AS, Massad MG, Buttrick PM, de Tombe PP. Depressed cardiac myofilament function in human diabetes mellitus. Am J Physiol Heart Circ Physiol. 2005 Dec; 289(6):H2478-83. PMID: 16085678.
      View in: PubMed
    28. Goldspink PH, Montgomery DE, Walker LA, Urboniene D, McKinney RD, Geenen DL, Solaro RJ, Buttrick PM. Protein kinase Cepsilon overexpression alters myofilament properties and composition during the progression of heart failure. Circ Res. 2004 Aug 20; 95(4):424-32. PMID: 15242976.
      View in: PubMed