Sort by
Items per page

Send to

Choose Destination

Search results

Items: 1 to 50 of 62


A diet of U.S. military food rations alters gut microbiota composition and does not increase intestinal permeability.

Karl JP, Armstrong NJ, McClung HL, Player RA, Rood JC, Racicot K, Soares JW, Montain SJ.

J Nutr Biochem. 2019 Jul 30;72:108217. doi: 10.1016/j.jnutbio.2019.108217. [Epub ahead of print]


Effects of testosterone supplementation on body composition and lower-body muscle function during severe exercise- and diet-induced energy deficit: A proof-of-concept, single centre, randomised, double-blind, controlled trial.

Pasiakos SM, Berryman CE, Karl JP, Lieberman HR, Orr JS, Margolis LM, Caldwell JA, Young AJ, Montano MA, Evans WJ, Vartanian O, Carmichael OT, Gadde KM, Johannsen NM, Beyl RA, Harris MN, Rood JC.

EBioMedicine. 2019 Aug;46:411-422. doi: 10.1016/j.ebiom.2019.07.059. Epub 2019 Jul 27.


Acute stressor alters inter-species microbial competition for resistant starch-supplemented medium.

Pantoja-Feliciano IG, Soares JW, Doherty LA, Karl JP, McClung HL, Armstrong NJ, Branck TA, Arcidiacono S.

Gut Microbes. 2019;10(4):439-446. doi: 10.1080/19490976.2018.1554962. Epub 2018 Dec 22.


Self-reported eating behaviors of military recruits are associated with body mass index at military accession and change during initial military training.

Fagnant HS, Armstrong NJ, Lutz LJ, Nakayama AT, Guerriere KI, Ruthazer R, Cole RE, McClung JP, Gaffney-Stomberg E, Karl JP.

Appetite. 2019 Nov 1;142:104348. doi: 10.1016/j.appet.2019.104348. Epub 2019 Jul 9.


Higher Protein Density Diets Are Associated With Greater Diet Quality and Micronutrient Intake in Healthy Young Adults.

Gwin JA, Karl JP, Lutz LJ, Gaffney-Stomberg E, McClung JP, Pasiakos SM.

Front Nutr. 2019 May 7;6:59. doi: 10.3389/fnut.2019.00059. eCollection 2019.


Glycaemic regulation, appetite and ex vivo oxidative stress in young adults following consumption of high-carbohydrate cereal bars fortified with polyphenol-rich berries.

Smith TJ, Karl JP, Wilson MA, Whitney CC, Barrett A, Farhadi NF, Chen CO, Montain SJ.

Br J Nutr. 2019 May;121(9):1026-1038. doi: 10.1017/S0007114519000394.


Variability in human plasma volume responses during high-altitude sojourn.

Young AJ, Karl JP, Berryman CE, Montain SJ, Beidleman BA, Pasiakos SM.

Physiol Rep. 2019 Mar;7(6):e14051. doi: 10.14814/phy2.14051.


A dietary pattern rich in calcium, potassium, and protein is associated with tibia bone mineral content and strength in young adults entering initial military training.

Nakayama AT, Lutz LJ, Hruby A, Karl JP, McClung JP, Gaffney-Stomberg E.

Am J Clin Nutr. 2019 Jan 1;109(1):186-196. doi: 10.1093/ajcn/nqy199.


Intestinal in vitro and ex vivo Models to Study Host-Microbiome Interactions and Acute Stressors.

Pearce SC, Coia HG, Karl JP, Pantoja-Feliciano IG, Zachos NC, Racicot K.

Front Physiol. 2018 Nov 12;9:1584. doi: 10.3389/fphys.2018.01584. eCollection 2018. Review.


Serum and Erythrocyte Biomarkers of Nutrient Status Correlate with Short-Term Α-Carotene, Β-Carotene, Folate, and Vegetable Intakes Estimated by Food Frequency Questionnaire in Military Recruits.

Lutz LJ, Nakayama AT, Karl JP, McClung JP, Gaffney-Stomberg E.

J Am Coll Nutr. 2019 Feb;38(2):171-178. doi: 10.1080/07315724.2018.1490215. Epub 2018 Nov 6.


Effects of Psychological, Environmental and Physical Stressors on the Gut Microbiota.

Karl JP, Hatch AM, Arcidiacono SM, Pearce SC, Pantoja-Feliciano IG, Doherty LA, Soares JW.

Front Microbiol. 2018 Sep 11;9:2013. doi: 10.3389/fmicb.2018.02013. eCollection 2018. Review.


Associations between the gut microbiota and host responses to high altitude.

Karl JP, Berryman CE, Young AJ, Radcliffe PN, Branck TA, Pantoja-Feliciano IG, Rood JC, Pasiakos SM.

Am J Physiol Gastrointest Liver Physiol. 2018 Dec 1;315(6):G1003-G1015. doi: 10.1152/ajpgi.00253.2018. Epub 2018 Sep 13.


The Current and Future State of Department of Defense (DoD) Microbiome Research: a Summary of the Inaugural DoD Tri-Service Microbiome Consortium Informational Meeting.

Glaven S, Racicot K, Leary DH, Karl JP, Arcidiacono S, Dancy BCR, Chrisey LA, Soares JW.

mSystems. 2018 Jul 10;3(4). pii: e00086-18. doi: 10.1128/mSystems.00086-18. eCollection 2018 Jul-Aug.


Dietary Intake in Relation to Military Dietary Reference Values During Army Basic Combat Training; a Multi-center, Cross-sectional Study.

Lutz LJ, Gaffney-Stomberg E, Karl JP, Hughes JM, Guerriere KI, McClung JP.

Mil Med. 2019 Mar 1;184(3-4):e223-e230. doi: 10.1093/milmed/usy153.


Multiple Vitamin K Forms Exist in Dairy Foods.

Fu X, Harshman SG, Shen X, Haytowitz DB, Karl JP, Wolfe BE, Booth SL.

Curr Dev Nutr. 2017 Jun 1;1(6):e000638. doi: 10.3945/cdn.117.000638. eCollection 2017 Jun.


Appetite Suppression and Altered Food Preferences Coincide with Changes in Appetite-Mediating Hormones During Energy Deficit at High Altitude, But Are Not Affected by Protein Intake.

Karl JP, Cole RE, Berryman CE, Finlayson G, Radcliffe PN, Kominsky MT, Murphy NE, Carbone JW, Rood JC, Young AJ, Pasiakos SM.

High Alt Med Biol. 2018 Jun;19(2):156-169. doi: 10.1089/ham.2017.0155. Epub 2018 Feb 12.


Severe negative energy balance during 21 d at high altitude decreases fat-free mass regardless of dietary protein intake: a randomized controlled trial.

Berryman CE, Young AJ, Karl JP, Kenefick RW, Margolis LM, Cole RE, Carbone JW, Lieberman HR, Kim IY, Ferrando AA, Pasiakos SM.

FASEB J. 2018 Feb;32(2):894-905. doi: 10.1096/fj.201700915R. Epub 2018 Jan 3.


Impact of sleep restriction on local immune response and skin barrier restoration with and without "multinutrient" nutrition intervention.

Smith TJ, Wilson MA, Karl JP, Orr J, Smith CD, Cooper AD, Heaton KJ, Young AJ, Montain SJ.

J Appl Physiol (1985). 2018 Jan 1;124(1):190-200. doi: 10.1152/japplphysiol.00547.2017. Epub 2017 Sep 14.


Military training elicits marked increases in plasma metabolomic signatures of energy metabolism, lipolysis, fatty acid oxidation, and ketogenesis.

Karl JP, Margolis LM, Murphy NE, Carrigan CT, Castellani JW, Madslien EH, Teien HK, Martini S, Montain SJ, Pasiakos SM.

Physiol Rep. 2017 Sep;5(17). pii: e13407. doi: 10.14814/phy2.13407.


Reply to S-S Zhou and Y Zhou.

Karl JP, Meydani SN, Roberts SB.

Am J Clin Nutr. 2017 Sep;106(3):947-948. doi: 10.3945/ajcn.117.160192. No abstract available.


Fecal concentrations of bacterially derived vitamin K forms are associated with gut microbiota composition but not plasma or fecal cytokine concentrations in healthy adults.

Karl JP, Meydani M, Barnett JB, Vanegas SM, Barger K, Fu X, Goldin B, Kane A, Rasmussen H, Vangay P, Knights D, Jonnalagadda SS, Saltzman E, Roberts SB, Meydani SN, Booth SL.

Am J Clin Nutr. 2017 Oct;106(4):1052-1061. doi: 10.3945/ajcn.117.155424. Epub 2017 Aug 16.


Physiological and psychological effects of testosterone during severe energy deficit and recovery: A study protocol for a randomized, placebo-controlled trial for Optimizing Performance for Soldiers (OPS).

Pasiakos SM, Berryman CE, Karl JP, Lieberman HR, Orr JS, Margolis LM, Caldwell JA, Young AJ, Montano MA, Evans WJ, Vartanian O, Carmichael OT, Gadde KM, Harris M, Rood JC.

Contemp Clin Trials. 2017 Jul;58:47-57. doi: 10.1016/j.cct.2017.05.001. Epub 2017 May 4.


Changes in intestinal microbiota composition and metabolism coincide with increased intestinal permeability in young adults under prolonged physiological stress.

Karl JP, Margolis LM, Madslien EH, Murphy NE, Castellani JW, Gundersen Y, Hoke AV, Levangie MW, Kumar R, Chakraborty N, Gautam A, Hammamieh R, Martini S, Montain SJ, Pasiakos SM.

Am J Physiol Gastrointest Liver Physiol. 2017 Jun 1;312(6):G559-G571. doi: 10.1152/ajpgi.00066.2017. Epub 2017 Mar 23.


Substituting whole grains for refined grains in a 6-wk randomized trial has a modest effect on gut microbiota and immune and inflammatory markers of healthy adults.

Vanegas SM, Meydani M, Barnett JB, Goldin B, Kane A, Rasmussen H, Brown C, Vangay P, Knights D, Jonnalagadda S, Koecher K, Karl JP, Thomas M, Dolnikowski G, Li L, Saltzman E, Wu D, Meydani SN.

Am J Clin Nutr. 2017 Mar;105(3):635-650. doi: 10.3945/ajcn.116.146928. Epub 2017 Feb 8.


Substituting whole grains for refined grains in a 6-wk randomized trial favorably affects energy-balance metrics in healthy men and postmenopausal women.

Karl JP, Meydani M, Barnett JB, Vanegas SM, Goldin B, Kane A, Rasmussen H, Saltzman E, Vangay P, Knights D, Chen CO, Das SK, Jonnalagadda SS, Meydani SN, Roberts SB.

Am J Clin Nutr. 2017 Mar;105(3):589-599. doi: 10.3945/ajcn.116.139683. Epub 2017 Feb 8. Erratum in: Am J Clin Nutr. 2017 Aug;106(2):708.


Adherence to the Dietary Guidelines for Americans Is Associated with Psychological Resilience in Young Adults: A Cross-Sectional Study.

Lutz LJ, Gaffney-Stomberg E, Williams KW, McGraw SM, Niro PJ, Karl JP, Cable SJ, Cropper TL, McClung JP.

J Acad Nutr Diet. 2017 Mar;117(3):396-403. doi: 10.1016/j.jand.2016.09.018. Epub 2016 Nov 5.


Improved Mood State and Absence of Sex Differences in Response to the Stress of Army Basic Combat Training.

Lieberman HR, Karl JP, McClung JP, Williams KW, Cable S.

Appl Psychol Health Well Being. 2016 Nov;8(3):351-363. doi: 10.1111/aphw.12075. Epub 2016 Jul 12.


Interstitial glucose concentrations and hypoglycemia during 2 days of caloric deficit and sustained exercise: a double-blind, placebo-controlled trial.

Smith TJ, Wilson MA, Karl JP, Austin K, Bukhari A, Pasiakos SM, O'Connor KL, Lieberman HR.

J Appl Physiol (1985). 2016 Nov 1;121(5):1208-1216. doi: 10.1152/japplphysiol.00432.2016. Epub 2016 Sep 29.


Tissue Concentrations of Vitamin K and Expression of Key Enzymes of Vitamin K Metabolism Are Influenced by Sex and Diet but Not Housing in C57Bl6 Mice.

Harshman SG, Fu X, Karl JP, Barger K, Lamon-Fava S, Kuliopulos A, Greenberg AS, Smith D, Shen X, Booth SL.

J Nutr. 2016 Aug;146(8):1521-7. doi: 10.3945/jn.116.233130. Epub 2016 Jul 6.


Effects of exercise mode, energy, and macronutrient interventions on inflammation during military training.

Pasiakos SM, Margolis LM, Murphy NE, McClung HL, Martini S, Gundersen Y, Castellani JW, Karl JP, Teien HK, Madslien EH, Stenberg PH, Young AJ, Montain SJ, McClung JP.

Physiol Rep. 2016 Jun;4(11). pii: e12820. doi: 10.14814/phy2.12820.


Effects of Supplemental Energy on Protein Balance during 4-d Arctic Military Training.

Margolis LM, Murphy NE, Martini S, Gundersen Y, Castellani JW, Karl JP, Carrigan CT, Teien HK, Madslien EH, Montain SJ, Pasiakos SM.

Med Sci Sports Exerc. 2016 Aug;48(8):1604-12. doi: 10.1249/MSS.0000000000000944.


Altered metabolic homeostasis is associated with appetite regulation during and following 48-h of severe energy deprivation in adults.

Karl JP, Smith TJ, Wilson MA, Bukhari AS, Pasiakos SM, McClung HL, McClung JP, Lieberman HR.

Metabolism. 2016 Apr;65(4):416-27. doi: 10.1016/j.metabol.2015.11.001. Epub 2015 Nov 6.


Altered Appetite-Mediating Hormone Concentrations Precede Compensatory Overeating After Severe, Short-Term Energy Deprivation in Healthy Adults.

O'Connor KL, Scisco JL, Smith TJ, Young AJ, Montain SJ, Price LL, Lieberman HR, Karl JP.

J Nutr. 2016 Feb;146(2):209-17. doi: 10.3945/jn.115.217976. Epub 2016 Jan 6.


Effects of carbohydrate quantity and glycemic index on resting metabolic rate and body composition during weight loss.

Karl JP, Roberts SB, Schaefer EJ, Gleason JA, Fuss P, Rasmussen H, Saltzman E, Das SK.

Obesity (Silver Spring). 2015 Nov;23(11):2190-8. doi: 10.1002/oby.21268.


Effects of basic combat training on iron status in male and female soldiers: a comparative study.

Yanovich R, Karl JP, Yanovich E, Lutz LJ, Williams KW, Cable SJ, Young AJ, Pasiakos SM, McClung JP.

US Army Med Dep J. 2015 Apr-Jun:67-73.


Fecal menaquinone profiles of overweight adults are associated with gut microbiota composition during a gut microbiota-targeted dietary intervention.

Karl JP, Fu X, Wang X, Zhao Y, Shen J, Zhang C, Wolfe BE, Saltzman E, Zhao L, Booth SL.

Am J Clin Nutr. 2015 Jul;102(1):84-93. doi: 10.3945/ajcn.115.109496. Epub 2015 May 27.


Transient decrements in mood during energy deficit are independent of dietary protein-to-carbohydrate ratio.

Karl JP, Thompson LA, Niro PJ, Margolis LM, McClung JP, Cao JJ, Whigham LD, Combs GF Jr, Young AJ, Lieberman HR, Pasiakos SM.

Physiol Behav. 2015 Feb;139:524-31. doi: 10.1016/j.physbeh.2014.11.068. Epub 2014 Dec 3.


Energy density, energy intake, and body weight regulation in adults.

Karl JP, Roberts SB.

Adv Nutr. 2014 Nov 14;5(6):835-50. doi: 10.3945/an.114.007112. Print 2014 Nov. Review.


Positive effects of basic training on cognitive performance and mood of adult females.

Lieberman HR, Karl JP, Niro PJ, Williams KW, Farina EK, Cable SJ, McClung JP.

Hum Factors. 2014 Sep;56(6):1113-23.


Quantification of phylloquinone and menaquinones in feces, serum, and food by high-performance liquid chromatography-mass spectrometry.

Karl JP, Fu X, Dolnikowski GG, Saltzman E, Booth SL.

J Chromatogr B Analyt Technol Biomed Life Sci. 2014 Jul 15;963:128-33. doi: 10.1016/j.jchromb.2014.05.056. Epub 2014 Jun 7.


Effect of glycemic load on eating behavior self-efficacy during weight loss.

Karl JP, Cheatham RA, Das SK, Hyatt RR, Gilhooly CH, Pittas AG, Lieberman HR, Lerner D, Roberts SB, Saltzman E.

Appetite. 2014 Sep;80:204-11. doi: 10.1016/j.appet.2014.05.017. Epub 2014 May 21.


Assessment of dietary intake using the healthy eating index during military training.

Lutz LJ, Gaffney-Stomberg E, Scisco JL, Cable SJ, Karl JP, Young AJ, McClung JP.

US Army Med Dep J. 2013 Oct-Dec:91-7.


Menaquinones, bacteria, and the food supply: the relevance of dairy and fermented food products to vitamin K requirements.

Walther B, Karl JP, Booth SL, Boyaval P.

Adv Nutr. 2013 Jul 1;4(4):463-73. doi: 10.3945/an.113.003855. Review.


Nutrient deficiencies after gastric bypass surgery.

Saltzman E, Karl JP.

Annu Rev Nutr. 2013;33:183-203. doi: 10.1146/annurev-nutr-071812-161225. Epub 2013 Apr 29. Review.


Independent and combined effects of eating rate and energy density on energy intake, appetite, and gut hormones.

Karl JP, Young AJ, Rood JC, Montain SJ.

Obesity (Silver Spring). 2013 Mar;21(3):E244-52. doi: 10.1002/oby.20075.


Differential effects of military training on fat-free mass and plasma amino acid adaptations in men and women.

Margolis LM, Pasiakos SM, Karl JP, Rood JC, Cable SJ, Williams KW, Young AJ, McClung JP.

Nutrients. 2012 Dec 18;4(12):2035-46. doi: 10.3390/nu4122035.


The role of whole grains in body weight regulation.

Karl JP, Saltzman E.

Adv Nutr. 2012 Sep 1;3(5):697-707. doi: 10.3945/an.112.002782. Review.


Vitamin D status, dietary intake, and bone turnover in female Soldiers during military training: a longitudinal study.

Lutz LJ, Karl JP, Rood JC, Cable SJ, Williams KW, Young AJ, McClung JP.

J Int Soc Sports Nutr. 2012 Aug 6;9(1):38. doi: 10.1186/1550-2783-9-38.


Cardiometabolic risk in US Army recruits and the effects of basic combat training.

Pasiakos SM, Karl JP, Lutz LJ, Murphy NE, Margolis LM, Rood JC, Cable SJ, Williams KW, Young AJ, McClung JP.

PLoS One. 2012;7(2):e31222. doi: 10.1371/journal.pone.0031222. Epub 2012 Feb 23.


Iron status of military personnel deployed to Afghanistan.

Wilson C, McClung JP, Karl JP, Brothers MD.

Mil Med. 2011 Dec;176(12):1421-5.


Supplemental Content

Support Center