Publications

• Cohen ND, Slovis NM, Giguère S, Baker S, Chaffin MK, Bernstein LR. Gallium maltolate as an alternative to macrolides for treatment of presumed Rhodococcus equi pneumonia in foals.J Vet Intern Med 2015;29(3):932-9.
• McQueen CM, Dindot SV, Foster MJ, Cohen ND. Genetic susceptibility to Rhodococcus equi. J Vet Intern Med 2015;29(6):1648-59.
• Shaw SD, Cohen ND, Chaffin MK, Blodgett GP, Syndergaard M, Hurych D. Estimating the sensitivity and specificity of real-time quantitative PCR of fecal samples for diagnosis of Rhodococcus equi pneumonia in foals. Vet Intern Med 2015;29(6):1712-7.
• Anastasi E, Giguère S, Berghaus LJ, Hondalus MK, Willingham-Lane JM, MacArthur I, Cohen ND, Roberts MC, Vazquez-Boland JA. Novel transferable erm(46) determinant responsible for emerging macrolide resistance in Rhodococcus equi. J Antimicrob Chemother 2015;70(12):3184-90.
• McQueen CM, Doan R, Dindot SV, Bourquin JR, Zlatev ZZ, Chaffin MK, Blodgett GP, Ivanov I, Cohen ND. Identification of genomic loci associated with Rhodococcus equi susceptibility in foals. PLoS One 2014;9(6):e98710.
• Bordin AI, Pillai SD, Brake C, Bagley KB, Bourquin JR, Coleman M, Oliveira FN, Mwangi W, McMurray DN, Love CC, Felippe MJ, Cohen ND. Immunogenicity of an electron beam inactivated Rhodococcus equi vaccine in neonatal foals. PLoS One 2014;9(8):e105367.
• Cohen ND, Bourquin JR, Bordin AI, Kuskie KR, Brake CN, Weaver KB, Liu M, Felippe MJ, Kogut MH. Intramuscular administration of a synthetic CpG-oligodeoxynucleotide modulates functional responses of neutrophils of neonatal foals. PLoS One. 2014 Oct 15;9(10):e109865.
• Burton AJ, Giguère S, Sturgill TL, Berghaus LJ, Slovis NM, Whitman JL, Levering C, Kuskie KR, Cohen ND. Macrolide- and rifampin-resistant Rhodococcus equi on a horse breeding farm, Kentucky, USA. Emerg Infect Dis 2013;19(2):282-285.
• Kachroo P, Ivanov I, Seabury AG, Liu M, Chowdhary BP, Cohen ND. Age-relateordd changes following in vitro stimulation with Rhodococcus equi of peripheral blood leukocytes from neonatal foals. PLoS One. 2013; May 17;8(5):e62879
• Bordin AI, Liu M, Nerren JR, Buntain SL, Brake CN, Kogut MH, Cohen ND. Neutrophil function of neonatal foals is enhanced in vitro by CpG oligodeoxynucleotide stimulation. Vet Immunol Immunopathol. 2012;145(1-2):290-7.
• Sturgill TL, Giguère S, Franklin RP, Cohen ND, Hagen J, Kalyuzhny AE. Effects of inactivated parapoxvirus ovis on the cumulative incidence of pneumonia and cytokine secretion in foals on a farm with endemic infections caused by Rhodococcus equi. Vet Immunol Immunopathol 2011;140(3-4):237-43.
• Chaffin MK, Cohen ND, Martens RJ, O’Conor M, Bernstein LR. Evaluation of the efficacy of gallium maltolate for chemoprophylaxis against pneumonia caused by Rhodococcus equiinfection in foals. Am J Vet Res 2011;72(7):945-57.
• Liu M, Bordin A, Liu T, Russell K, Cohen N. Gene expression of innate Th1-, Th2-, and Th17-type cytokines during early life of neonatal foals in response to Rhodococcus equi. Cytokine 2011; 56(2):356-64.
• Giguère S, Lee E, Williams E, Cohen ND, Chaffin MK, Halbert N, Martens RJ, Franklin RP, Clark CC, Slovis NM. Determination of the prevalence of antimicrobial resistance to macrolide antimicrobials or rifampin in Rhodococcus equi isolates and treatment outcome in foals infected with antimicrobial-resistant isolates of R equi. J Am Vet Med Assoc. 2010 Jul 1;237(1):74-81.
• Nerren JR, Payne S, Halbert ND, Martens RJ, Cohen ND. Cytokine expression by neutrophils of adult horses stimulated with virulent and avirulent Rhodococcus equi in vitro. Vet Immunol Immunopathol 2009; 127(1-2):135-43.
• Liu T, Nerren J, Liu M, Martens R, Cohen N. Basal and stimulus-induced cytokine expression is selectively impaired in peripheral blood mononuclear cells of newborn foals. Vaccine 2009;27(5):674-83.
• Nerren JR, Martens RJ, Payne S, Murrell J, Butler JL, Cohen ND. Age-related changes in cytokine expression by neutrophils of foals stimulated with virulent Rhodococcus equi in vitro. Vet Immunol Immunopathol 2009;127(3-4):212-9.
• Liu M, Liu T, Bordin A, Nerren J, Cohen N. Activation of foal neutrophils at different ages by CpG oligodeoxynucleotides and Rhodococcus equi. Cytokine 2009;48(3):280-9.
• Chaffin MK, Cohen ND, Martens RJ. Chemoprophylactic effects of azithromycin against Rhodococcus equi-induced pneumonia among foals at equine breeding farms with endemic infections. J Am Vet Med Assoc 2008;232(7):1035-1047.
• Harrington JR, Martens RJ, Cohen ND, Bernstein LR. Antimicrobial activity of gallium against virulent Rhodococcus equi in vitro and in vivo. J Vet Pharmacol Ther 2006;29(2):121-7.
• Halbert ND, Cohen ND, Slovis NM, Faircloth J, Martens RJ. Variations in equid SLC11A1 (NRAMP1) genes and associations with Rhodococcus equi pneumonia in horses. J Vet Intern Med 2006;20(4):974-9.
• Harrington JR, Golding MC, Martens RJ, Halbert ND, Cohen ND. Evaluation of a real-time quantitative polymerase chain reaction assay for detection and quantitation of virulent Rhodococcus equi. Am J Vet Res 2005;66(5):755-61.
• Cohen ND, Chaffin MK, Vandenplas ML, Edwards RF, Nevill M, Moore JN, Martens RJ. Study of serum amyloid A concentrations as a means of achieving early diagnosis of Rhodococcus equi pneumonia. Equine Vet J 2005;37(3):212-6.
• Halbert ND, Reitzel RA, Martens RJ, Cohen ND. Evaluation of a multiplex polymerase chain reaction assay for simultaneous detection of Rhodococcus equi and the vapA gene. Am J Vet Res 2005;66(8):1380-5.
• Martens RJ, Cohen ND, Jones SL, Moore TA, Edwards JF. Protective role of neutrophils in mice experimentally infected with Rhodococcus equi. Infect Immun 2005;73(10):7040-2.
• Chaffin MK, Cohen ND, Martens RJ, Edwards RF, Nevill M, Smith R 3rd. Hematologic and immunophenotypic factors associated with development of Rhodococcus equi pneumonia of foals at equine breeding farms with endemic infection. Vet Immunol Immunopathol 2004;100(1-2):33-48.
• Arriaga JM, Cohen ND, Derr JN, Chaffin MK, Martens RJ. Detection of Rhodococcus equi by polymerase chain reaction using species-specific nonproprietary primers. J Vet Diagn Invest 2002;14(4):347-53.
• Horowitz ML, Cohen ND, Takai S, Becu T, Chaffin MK, Chu KK, Magdesian KG, Martens RJ. Application of Sartwell’s model (lognormal distribution of incubation periods) to age at onset and age at death of foals with Rhodococcus equi pneumonia as evidence of perinatal infection. J Vet Intern Med 2001;15(3):171-175.
• Martens RJ, Martens JG, Fiske RA, Hietala SK. Rhodococcus equi foal pneumonia: protective effects of immune plasma in experimentally infected foals. Equine Vet J 1989;21(4):249-255

Other

• Norman TE, Batista M, Lawhon SD, Zhang S, Kuskie KR, Swinford AK, Bernstein LR, Cohen ND. In vitro susceptibility of equine-obtained isolates of Corynebacterium pseudotuberculosisto gallium maltolate and 20 other antimicrobial agents. J Clin Microbiol. 2014;52(7):2684-5.
• Arnold CE, Bordin A, Lawhon SD, Libal MC, Bernstein LR, Cohen ND. Antimicrobial activity of gallium maltolate against Staphylococcus aureus and methicillin-resistant S. aureus andStaphylococcus pseudintermedius: An in vitro study. Vet Microbiol 2012;155(2-4):389-94.
• Peloso JG, Cohen ND. Use of serial measurements of peritoneal fluid lactate concentration to identify strangulating intestinal lesions in referred horses with signs of colic. J Am Vet Med Assoc 2012;240(10):1208-17.
• Harrington JR, Wilkerson CP, Brake CN, Cohen ND. Effects of age and R848 stimulation on expression of Toll-like receptor 8 mRNA by foal neutrophils. Vet Immunol Immunopathol 2012;150(1-2):10-8.
• Scrivani PV, Levine JM, Holmes NL, Furr M, Divers TJ, Cohen ND. Observer agreement study of cervical-vertebral ratios in horses. Equine Vet J 2011;43(4):399-403.
• Martens RJ, Cohen ND, Fajt VR, Nerren JR, Chaffin MK, Taylor RJ, Bernstein LR. Gallium maltolate: safety in neonatal foals following multiple enteral administrations. J Vet Pharmacol Ther 2010;33(2):208-12.
• Chaffin MK, Fajt V, Martens RJ, Arnold CE, Cohen ND, O’Conor M, Taylor RJ, Bernstein LR. Pharmacokinetics of an orally administered  methylcellulose formulation of gallium maltolate in neonatal foals. J Vet Pharmacol Ther 2010;33(4):376-82.
• Levine JM, Scrivani PV, Divers TJ, Furr M, Mayhew IJ, Reed S, Levine GJ, Foreman JH, Boudreau C, Credille BC, Tennent-Brown B, Cohen ND. Multicenter case-control study of signalment, diagnostic features, and outcome associated with cervical vertebral malformation-malarticulation in horses. J Am Vet Med Assoc 2010;237(7):812-22.
• Levine JM, Ngheim PP, Levine GJ, Cohen ND. Associations of sex, breed, and age with cervical vertebral compressive myelopathy in horses: 811 cases (1974-2007). J Am Vet Med Assoc 2008;233(9):1453-8.
• Levine JM, Adam E, MacKay RJ, Walker MA, Frederick JD, Cohen ND. Confirmed and presumptive cervical vertebral compressive myelopathy in older horses: a retrospective study (1992-2004). J Vet Intern Med 2007;21(4):812-9.
• Martens RJ, Mealey K, Cohen ND, Harrington JR, Chaffin MK, Taylor RJ, Bernstein LR. Pharmacokinetics of gallium maltolate after intragastric administration in neonatal foals. Am J Vet Res 2007;68(10):1041-4.
• Cohen ND, Mackay RJ, Toby E, Andrews FM, Barr BS, Beech J, Bernard WV, Clark CK, Divers TJ, Furr MO, Kohn CW, Levy M, Reed SM, Seahorn TL, Slovis NM. A multicenter case-control study of risk factors for equine protozoal myeloencephalitis. J Am Vet Med Assoc 2007;231(12):1857-63.
• Cohen ND, Toby E, Roussel AJ, Murphey EL, Wang N. Are feeding practices associated with duodenitis-proximal jejunitis? Equine Vet J 2006;38(6):526-31.
• Thompson JA, Brown SE 2nd, Riddle WT, Seahorn JC, Cohen ND. Use of a Bayesian risk-mapping technique to estimate spatial risks for mare reproductive loss syndrome in Kentucky.Am J Vet Res 2005;66(1):17-20.
• Vandenplas ML, Moore JN, Barton MH, Roussel AJ, Cohen ND. Concentrations of serum amyloid A and lipopolysaccharide-binding protein in horses with colic. Am J Vet Res 2005;66(9):1509-16.
• Cohen ND, Carey VJ, Donahue JG, Seahorn JL, Brown SE 2nd, Riddle TW. Temporality of early-term abortions associated with mare reproductive loss syndrome in horses. Am J Vet Res 2005;66(10):1792-7.
• Cohen ND, Carey VJ, Donahue JG, Seahorn JL, Donahoe JK, Williams DM, Harrison LR. Case-control study of late-term abortions associated with mare reproductive loss syndrome in central Kentucky. J Am Vet Med Assoc 2003;222(2):199-209.
• Cohen ND, Donahue JG, Carey VJ, Seahorn JL, Piercy D, Donahoe JK, Williams DM, Brown SE 2nd, Riddle TW. Case-control study of early-term abortions (early fetal losses) associated with mare reproductive loss syndrome in central Kentucky. J Am Vet Med Assoc 2003;222(2):210-7.
• Cohen ND, Carey VJ, Donahue JG, Seahorn JL, Harrison LR. Descriptive epidemiology of late-term abortions associated with the mare reproductive loss syndrome in central Kentucky. J Vet Diagn Invest 2003;15(3):295-7.
• Kim I, Cohen ND, Carroll RJ. Semiparametric regression splines in matched case-control studies. Biometrics 2003;59(4):1159-69.
• Kim I, Cohen ND, Carroll RJ. Effect heterogeneity by a matching covariate in matched case-control studies: a method for graphs-based representation. Am J Epidemiol 2002;156(5):463-70.
• Roussel AJ Jr, Cohen ND, Hooper RN, Rakestraw PC. Risk factors associated with development of postoperative ileus in horses. J Am Vet Med Assoc 2001;219(1):72-8.
• Hudson JM, Cohen ND, Gibbs PG, Thompson JA. Feeding practices associated with colic in horses. J Am Vet Med Assoc 2001;219(10):1419-25.
• Cohen ND, Berry SM, Peloso JG, Mundy GD, Howard IC. Association of high-speed exercise with racing injury in thoroughbreds. J Am Vet Med Assoc 2000;216(8):1273-8.
• Cohen ND, Vontur CA, Rakestraw PC. Risk factors for enterolithiasis among horses in Texas. J Am Vet Med Assoc 2000;216(11):1787-94.
• Cohen ND, Gibbs PG, Woods AM. Dietary and other management factors associated with colic in horses. J Am Vet Med Assoc 1999;215(1):53-60.
• Cohen ND, Dresser BT, Peloso JG, Mundy GD, Woods AM. Frequency of musculoskeletal injuries and risk factors associated with injuries incurred in Quarter Horses during races. J Am Vet Med Assoc1999; 215(5):662-9.
• Cohen ND, Peloso JG, Mundy GD, Fisher M, Holland RE, Little TV, Misheff MM, Watkins JP, Honnas CM, Moyer W. Racing-related factors and results of prerace physical inspection and their association with musculoskeletal injuries incurred in thoroughbreds during races. J Am Vet Med Assoc 1997;211(4):454-63.
• Cohen ND, Honnas CM. Risk factors associated with development of diarrhea in horses after celiotomy for colic: 190 cases (1990-1994). J Am Vet Med Assoc 1996;209(4):810-3.
• Peloso JG, Cohen ND, Walker MA, Watkins JP, Gayle JM, Moyer W. Case-control study of risk factors for the development of laminitis in the contralateral limb in Equidae with unilateral lameness. J Am Vet Med Assoc 1996;209(10):1746-9.
• Cohen ND, Matejka PL, Honnas CM, Hooper RN. Case-control study of the association between various management factors and development of colic in horses. Texas Equine Colic Study Group. J Am Vet Med Assoc 1995;206(5):667-73.
• Cohen ND, Parson EM, Seahorn TL, Carter GK. Prevalence and factors associated with development of laminitis in horses with duodenitis/proximal jejunitis: 33 cases (1985-1991). J Am Vet Med Assoc. 1994 Jan 15;204(2):250-4.