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Ciprofloxacin and Rifampin Dual Antibiotic-Loaded Biopolymer Chitosan Sponge for Bacterial Inhibition.

Wells CM, Beenken KE, Smeltzer MS, Courtney HS, Jennings JA, Haggard WO.

Mil Med. 2018 Mar 1;183(suppl_1):433-444. doi: 10.1093/milmed/usx150.


Evaluation of a chitosan-polyethylene glycol paste as a local antibiotic delivery device.

Rhodes CS, Alexander CM, Berretta JM, Courtney HS, Beenken KE, Smeltzer MS, Bumgardner JD, Haggard WO, Jennings JA.

World J Orthop. 2017 Feb 18;8(2):130-141. doi: 10.5312/wjo.v8.i2.130. eCollection 2017 Feb 18.


Trivalent M-related protein as a component of next generation group A streptococcal vaccines.

Courtney HS, Niedermeyer SE, Penfound TA, Hohn CM, Greeley A, Dale JB.

Clin Exp Vaccine Res. 2017 Jan;6(1):45-49. doi: 10.7774/cevr.2017.6.1.45. Epub 2017 Jan 25.


Blended Chitosan Paste for Infection Prevention: Preliminary and Preclinical Evaluations.

Berretta JM, Jennings JA, Courtney HS, Beenken KE, Smeltzer MS, Haggard WO.

Clin Orthop Relat Res. 2017 Jul;475(7):1857-1870. doi: 10.1007/s11999-017-5231-y.


Structure-based design of broadly protective group a streptococcal M protein-based vaccines.

Dale JB, Smeesters PR, Courtney HS, Penfound TA, Hohn CM, Smith JC, Baudry JY.

Vaccine. 2017 Jan 3;35(1):19-26. doi: 10.1016/j.vaccine.2016.11.065. Epub 2016 Nov 24.


Current Approaches to Group A Streptococcal Vaccine Development.

Dale JB, Batzloff MR, Cleary PP, Courtney HS, Good MF, Grandi G, Halperin S, Margarit IY, McNeil S, Pandey M, Smeesters PR, Steer AC.

In: Ferretti JJ, Stevens DL, Fischetti VA, editors. Streptococcus pyogenes : Basic Biology to Clinical Manifestations [Internet]. Oklahoma City (OK): University of Oklahoma Health Sciences Center; 2016-.
2016 Feb 10.


Polymicrobial Biofilm Inhibition Effects of Acetate-Buffered Chitosan Sponge Delivery Device.

Jennings JA, Beenken KE, Parker AC, Smith JK, Courtney HS, Smeltzer MS, Haggard WO.

Macromol Biosci. 2016 Apr;16(4):591-8. doi: 10.1002/mabi.201500347. Epub 2016 Jan 12.


Streptococcal serum opacity factor promotes cholesterol ester metabolism and bile acid secretion in vitro and in vivo.

Gillard BK, Rodriguez PJ, Fields DW, Raya JL, Lagor WR, Rosales C, Courtney HS, Gotto AM Jr, Pownall HJ.

Biochim Biophys Acta. 2016 Mar;1861(3):196-204. doi: 10.1016/j.bbalip.2015.12.006. Epub 2015 Dec 18.


Apolipoprotein AI deficiency inhibits serum opacity factor activity against plasma high density lipoprotein via a stabilization mechanism.

Rosales C, Patel N, Gillard BK, Yelamanchili D, Yang Y, Courtney HS, Santos RD, Gotto AM Jr, Pownall HJ.

Biochemistry. 2015 Apr 14;54(14):2295-302. doi: 10.1021/bi501486z. Epub 2015 Apr 2.


Protective immunogenicity of group A streptococcal M-related proteins.

Dale JB, Niedermeyer SE, Agbaosi T, Hysmith ND, Penfound TA, Hohn CM, Pullen M, Bright MI, Murrell DS, Shenep LE, Courtney HS.

Clin Vaccine Immunol. 2015 Mar;22(3):344-50. doi: 10.1128/CVI.00795-14. Epub 2015 Jan 28.


Novel Antibiotic-loaded Point-of-care Implant Coating Inhibits Biofilm.

Jennings JA, Carpenter DP, Troxel KS, Beenken KE, Smeltzer MS, Courtney HS, Haggard WO.

Clin Orthop Relat Res. 2015 Jul;473(7):2270-82. doi: 10.1007/s11999-014-4130-8.


Identification of a group B streptococcal fibronectin binding protein, SfbA, that contributes to invasion of brain endothelium and development of meningitis.

Mu R, Kim BJ, Paco C, Del Rosario Y, Courtney HS, Doran KS.

Infect Immun. 2014 Jun;82(6):2276-86. doi: 10.1128/IAI.01559-13. Epub 2014 Mar 18.


Composite chitosan and calcium sulfate scaffold for dual delivery of vancomycin and recombinant human bone morphogenetic protein-2.

Doty HA, Leedy MR, Courtney HS, Haggard WO, Bumgardner JD.

J Mater Sci Mater Med. 2014 Jun;25(6):1449-59. doi: 10.1007/s10856-014-5167-7. Epub 2014 Feb 7.


Non-immune binding of human IgG to M-related proteins confers resistance to phagocytosis of group A streptococci in blood.

Courtney HS, Li Y.

PLoS One. 2013 Oct 25;8(10):e78719. doi: 10.1371/journal.pone.0078719. eCollection 2013.


Chitosan sponges for local synergistic infection therapy: a pilot study.

Smith JK, Moshref AR, Jennings JA, Courtney HS, Haggard WO.

Clin Orthop Relat Res. 2013 Oct;471(10):3158-64. doi: 10.1007/s11999-013-2988-5. Epub 2013 Apr 20.


A daptomycin-xylitol-loaded polymethylmethacrylate bone cement: how much xylitol should be used?

Salehi A, Parker AC, Lewis G, Courtney HS, Haggard WO.

Clin Orthop Relat Res. 2013 Oct;471(10):3149-57. doi: 10.1007/s11999-013-2939-1.


Preliminary investigation of crosslinked chitosan sponges for tailorable drug delivery and infection control.

Parker AC, Jennings JA, Bumgardner JD, Courtney HS, Lindner E, Haggard WO.

J Biomed Mater Res B Appl Biomater. 2013 Jan;101(1):110-23. doi: 10.1002/jbm.b.32822. Epub 2012 Sep 21.


Cis-2-decenoic acid inhibits S. aureus growth and biofilm in vitro: a pilot study.

Jennings JA, Courtney HS, Haggard WO.

Clin Orthop Relat Res. 2012 Oct;470(10):2663-70. doi: 10.1007/s11999-012-2388-2.


Apolipoprotein E mediates enhanced plasma high-density lipoprotein cholesterol clearance by low-dose streptococcal serum opacity factor via hepatic low-density lipoprotein receptors in vivo.

Rosales C, Tang D, Gillard BK, Courtney HS, Pownall HJ.

Arterioscler Thromb Vasc Biol. 2011 Aug;31(8):1834-41. doi: 10.1161/ATVBAHA.111.224360. Epub 2011 May 19.


Evaluation of two sources of calcium sulfate for a local drug delivery system: a pilot study.

Parker AC, Smith JK, Courtney HS, Haggard WO.

Clin Orthop Relat Res. 2011 Nov;469(11):3008-15. doi: 10.1007/s11999-011-1911-1.


Chitosan coatings deliver antimicrobials from titanium implants: a preliminary study.

Norowski PA, Courtney HS, Babu J, Haggard WO, Bumgardner JD.

Implant Dent. 2011 Feb;20(1):56-67. doi: 10.1097/ID.0b013e3182087ac4.


Promotion of phagocytosis of Streptococcus pyogenes in human blood by a fibrinogen-binding peptide.

Li Y, Courtney HS.

Microbes Infect. 2011 Apr;13(4):413-8. doi: 10.1016/j.micinf.2010.12.008. Epub 2011 Jan 15.


Serum opacity factor enhances HDL-mediated cholesterol efflux, esterification and anti inflammatory effects.

Tchoua U, Rosales C, Tang D, Gillard BK, Vaughan A, Lin HY, Courtney HS, Pownall HJ.

Lipids. 2010 Dec;45(12):1117-26. doi: 10.1007/s11745-010-3484-2. Epub 2010 Oct 24.


Streptococcal serum opacity factor increases the rate of hepatocyte uptake of human plasma high-density lipoprotein cholesterol.

Gillard BK, Rosales C, Pillai BK, Lin HY, Courtney HS, Pownall HJ.

Biochemistry. 2010 Nov 16;49(45):9866-73. doi: 10.1021/bi101412m. Epub 2010 Oct 25.


The structure and function of serum opacity factor: a unique streptococcal virulence determinant that targets high-density lipoproteins.

Courtney HS, Pownall HJ.

J Biomed Biotechnol. 2010;2010:956071. doi: 10.1155/2010/956071. Epub 2010 Jul 8. Review.


Antibiotic-loaded chitosan film for infection prevention: A preliminary in vitro characterization.

Smith JK, Bumgardner JD, Courtney HS, Smeltzer MS, Haggard WO.

J Biomed Mater Res B Appl Biomater. 2010 Jul;94(1):203-11. doi: 10.1002/jbm.b.31642. Erratum in: J Biomed Mater Res B Appl Biomater. 2014 Oct;102(7):1602.


The NH(2)-terminal region of Streptococcus pyogenes M5 protein confers protection against degradation by proteases and enhances mucosal colonization of mice.

Penfound TA, Ofek I, Courtney HS, Hasty DL, Dale JB.

J Infect Dis. 2010 May 15;201(10):1580-8. doi: 10.1086/652005.


Chitosan sponges to locally deliver amikacin and vancomycin: a pilot in vitro evaluation.

Noel SP, Courtney HS, Bumgardner JD, Haggard WO.

Clin Orthop Relat Res. 2010 Aug;468(8):2074-80. doi: 10.1007/s11999-010-1324-6.


An Approach for determining antibiotic loading for a physician-directed antibiotic-loaded PMMA bone cement formulation.

Lewis G, Brooks JL, Courtney HS, Li Y, Haggard WO.

Clin Orthop Relat Res. 2010 Aug;468(8):2092-100. doi: 10.1007/s11999-010-1281-0.


Apolipoprotein modulation of streptococcal serum opacity factor activity against human plasma high-density lipoproteins.

Rosales C, Gillard BK, Courtney HS, Blanco-Vaca F, Pownall HJ.

Biochemistry. 2009 Aug 25;48(33):8070-6. doi: 10.1021/bi901087z.


Inactivation of DltA modulates virulence factor expression in Streptococcus pyogenes.

Cox KH, Ruiz-Bustos E, Courtney HS, Dale JB, Pence MA, Nizet V, Aziz RK, Gerling I, Price SM, Hasty DL.

PLoS One. 2009;4(4):e5366. doi: 10.1371/journal.pone.0005366. Epub 2009 Apr 29.


Serum opacity factor is a streptococcal receptor for the extracellular matrix protein fibulin-1.

Courtney HS, Li Y, Twal WO, Argraves WS.

J Biol Chem. 2009 May 8;284(19):12966-71. doi: 10.1074/jbc.M901143200. Epub 2009 Mar 10.


Disruption of human plasma high-density lipoproteins by streptococcal serum opacity factor requires labile apolipoprotein A-I.

Han M, Gillard BK, Courtney HS, Ward K, Rosales C, Khant H, Ludtke SJ, Pownall HJ.

Biochemistry. 2009 Feb 24;48(7):1481-7. doi: 10.1021/bi802287q.


Relationship between expression of the family of M proteins and lipoteichoic acid to hydrophobicity and biofilm formation in Streptococcus pyogenes.

Courtney HS, Ofek I, Penfound T, Nizet V, Pence MA, Kreikemeyer B, Podbielski A, Hasty DL, Dale JB.

PLoS One. 2009;4(1):e4166. doi: 10.1371/journal.pone.0004166. Epub 2009 Jan 9. Erratum in: PLoS ONE. 2009;28(2). doi: 10.1371/annotation/823215e6-c06a-4d5f-ac7b-0ee77067ccb2. PLoS ONE. 2009;4(1). doi: 10.1371/annotation/c2f3e4e5-b6a0-4be8-9f8c-3d4e01933385. Podbielbski, Andreas [corrected to Podbielski, Andreas].


Preliminary in vitro evaluation of an adjunctive therapy for extremity wound infection reduction: rapidly resorbing local antibiotic delivery.

Jackson SR, Richelsoph KC, Courtney HS, Wenke JC, Branstetter JG, Bumgardner JD, Haggard WO.

J Orthop Res. 2009 Jul;27(7):903-8. doi: 10.1002/jor.20828.


Properties of the products formed by the activity of serum opacity factor against human plasma high-density lipoproteins.

Pownall HJ, Courtney HS, Gillard BK, Massey JB.

Chem Phys Lipids. 2008 Nov;156(1-2):45-51. doi: 10.1016/j.chemphyslip.2008.09.001. Epub 2008 Sep 16.


Daptomycin eluted from calcium sulfate appears effective against Staphylococcus.

Webb ND, McCanless JD, Courtney HS, Bumgardner JD, Haggard WO.

Clin Orthop Relat Res. 2008 Jun;466(6):1383-7. doi: 10.1007/s11999-008-0245-0. Epub 2008 Apr 23.


Opacity factor activity and epithelial cell binding by the serum opacity factor protein of Streptococcus pyogenes are functionally discrete.

Gillen CM, Courtney HS, Schulze K, Rohde M, Wilson MR, Timmer AM, Guzman CA, Nizet V, Chhatwal GS, Walker MJ.

J Biol Chem. 2008 Mar 7;283(10):6359-66. doi: 10.1074/jbc.M706739200. Epub 2008 Jan 7.


Serum opacity factor unmasks human plasma high-density lipoprotein instability via selective delipidation and apolipoprotein A-I desorption.

Gillard BK, Courtney HS, Massey JB, Pownall HJ.

Biochemistry. 2007 Nov 13;46(45):12968-78. Epub 2007 Oct 17.


Antibacterial and osteogenic properties of silver-containing hydroxyapatite coatings produced using a sol gel process.

Chen W, Oh S, Ong AP, Oh N, Liu Y, Courtney HS, Appleford M, Ong JL.

J Biomed Mater Res A. 2007 Sep 15;82(4):899-906.


In vitro anti-bacterial and biological properties of magnetron co-sputtered silver-containing hydroxyapatite coating.

Chen W, Liu Y, Courtney HS, Bettenga M, Agrawal CM, Bumgardner JD, Ong JL.

Biomaterials. 2006 Nov;27(32):5512-7. Epub 2006 Jul 26.


Monocyte and macrophage activation by lipoteichoic Acid is independent of alanine and is potentiated by hemoglobin.

Hasty DL, Meron-Sudai S, Cox KH, Nagorna T, Ruiz-Bustos E, Losi E, Courtney HS, Mahrous EA, Lee R, Ofek I.

J Immunol. 2006 May 1;176(9):5567-76.


Anti-phagocytic mechanisms of Streptococcus pyogenes: binding of fibrinogen to M-related protein.

Courtney HS, Hasty DL, Dale JB.

Mol Microbiol. 2006 Feb;59(3):936-47.


Molecular mechanisms of adhesion, colonization, and invasion of group A streptococci.

Courtney HS, Hasty DL, Dale JB.

Ann Med. 2002;34(2):77-87. Review.


Mapping the fibrinogen-binding domain of serum opacity factor of group a streptococci.

Courtney HS, Dale JB, Hasty DL.

Curr Microbiol. 2002 Apr;44(4):236-40.


Spa contributes to the virulence of type 18 group A streptococci.

McLellan DG, Chiang EY, Courtney HS, Hasty DL, Wei SC, Hu MC, Walls MA, Bloom JJ, Dale JB.

Infect Immun. 2001 May;69(5):2943-9.


New protective antigen of group A streptococci.

Dale JB, Chiang EY, Liu S, Courtney HS, Hasty DL.

J Clin Invest. 1999 May;103(9):1261-8.

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