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Leah Pyter, PhD

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460 Medical Centr Dr
Columbus, OH 43210

Phone: (614) 293-3496

Email: pyter.1@osu.edu


Current OSU Appointment

Assistant Professor, Psychiatry



1999 B.S., University of Illinois Urbana-Champaign

2001 M.S., University of Illinois Urbana-Champaign

2006 Ph.D., The Ohio State University


Journal Articles

Cooke,L; Pyter,L; Nakai,M; Jeffery,E,H; Bahr,J,M. "Differential effects of dietary soy and isoflavones on the reproductive tract of the intact female rat.." BIOLOGY OF REPRODUCTION. Vol. 64, (January 2001.): 350-350.

Mapes,S; TARANTAL,A,F; PARKER,C,R; Moran,F,M; Bahr,J,M; Pyter,L; Conley,A,J. "Adrenocortical cytochrome b5 expression during fetal development of the rhesus macaque." ENDOCRINOLOGY. Vol. 143, no. 4. (April 2002.): 1451-1458.

Pyter,L,M; Hotchkiss,A,K; Nelson,R,J. "Differential expression of genes regulating angiogenesis in the testes of Peromyscus leucopus during photoperiod-induced gonadal regression and recrudescence." BIOLOGY OF REPRODUCTION. Vol. 68, (January 2003.): 277-277.

Schulz,Laura,Clamon; Nelson,Ralph,A; Pyter,Leah,M; Bahr,Janice,M. "Induction of pseudopregnancy in the American Black Bear (Ursus americanus).." Journal of experimental zoology. Part A, Comparative experimental biology. Vol. 298, no. 2. (August 2003.): 162-166.

Schulz,L,C; Nelson,R,A; Pyter,L,M; Bahr,J,M. "Induction of pseudopregnancy in the American Black Bear (Ursus americanus)." JOURNAL OF EXPERIMENTAL ZOOLOGY PART A-ECOLOGICAL GENETICS AND PHYSIOLOGY. Vol. 298A, no. 2. (August 2003.): 162-166.

Hotchkiss,A,K; Pyter,L,M; Neigh,G,N; Nelson,R,J. "Nycthemeral differences in response to restraint stress in CD-1 and C57BL/6 mice." PHYSIOLOGY & BEHAVIOR. Vol. 80, no. 4. (January 2004.): 441-447.

Neigh,G,N; Bowers,S,L; Pyter,L,M; Gatien,M,L; Nelson,R,J. "Pyruvate prevents restraint-induced immunosuppression via alterations in glucocorticoid responses." ENDOCRINOLOGY. Vol. 145, no. 9. (September 2004.): 4309-4319.

Padgett,D,A; Hotchkiss,A,K; Pyter,L,M; Nelson,R,J; Yang,E; Yeh,P,E; Litsky,M; Williams,M; Glaser,R. "Epstein-Barr virus-encoded dUTPase modulates immune function and induces sickness behavior in mice." JOURNAL OF MEDICAL VIROLOGY. Vol. 74, no. 3. (November 2004.): 442-448.

Pyter,L,M; Samuelsson,A,R; Quan,N; Nelson,R,J. "Photoperiod alters hypothalamic cytokine gene expression and sickness responses following immune challenge in female Siberian hamsters (Phodopus sungorus)." NEUROSCIENCE. Vol. 131, no. 4. (January 2005.): 779-784.

Hotchkiss,A,K; Pyter,L,M; Gatien,M,L; Wen,J,C; Milman,H,A; Nelson,R,J. "Aggressive behavior increases after termination of chronic sildenafil treatment in mice." PHYSIOLOGY & BEHAVIOR. Vol. 83, no. 5. (January 2005.): 683-688.

Pyter,L,M; Neigh,G,N; Nelson,R,J. "Social environment modulates photoperiodic immune and reproductive responses in adult male white-footed mice (Peromyscus leucopus)." AMERICAN JOURNAL OF PHYSIOLOGY-REGULATORY INTEGRATIVE AND COMPARATIVE PHYSIOLOGY. Vol. 288, no. 4. (April 2005.): R891-R896.

Nakai,M; Cook,L; Pyter,L,M; Black,M; Sibona,J; TURNER,R,T; Jeffery,E,H; Bahr,J,M. "Dietary soy protein and isoflavones have no significant effect on bone and a potentially negative effect on the uterus of sexually mature intact Sprague-Dawley female rats." MENOPAUSE-THE JOURNAL OF THE NORTH AMERICAN MENOPAUSE SOCIETY. Vol. 12, no. 3. (May 2005.): 291-298.

Weil,Z,M; Bowers,S,L; Pyter,L,M; Nelson,R,J. "Social interactions alter cytokine gene expression and behavior following endotoxin administration." HORMONES AND BEHAVIOR. Vol. 48, no. 1. (June 2005.): 133-133.

Pyter,L,M; Nelson,R,J. "Effects of photoperiod on hippocampal: Neurogenesis in adult peromyscus leucopus.." HORMONES AND BEHAVIOR. Vol. 48, no. 1. (June 2005.): 121-121.

Martin,L,B; Pyter,L,M; Nelson,R,J; Ukena,K; Tsutsui,K; Bentley,G,E. "Effects of gnih on immune activity in siberian hamsters.." HORMONES AND BEHAVIOR. Vol. 48, no. 1. (June 2005.): 114-114.

Pyter,L,M; Weil,Z,M; Nelson,R,J. "Latitude affects photoperiod-induced changes in immune response in meadow voles (Microtus pennsylvanicus)." CANADIAN JOURNAL OF ZOOLOGY-REVUE CANADIENNE DE ZOOLOGIE. Vol. 83, no. 10. (October 2005.): 1271-1278.

Pyter,L,M; Hotchkiss,A,K; Nelson,R,J. "Photoperiod-induced differential expression of angiogenesis genes in testes of adult Peromyscus leucopus." REPRODUCTION. Vol. 129, no. 2. (February 2005.): 201-209.

Pyter,L,M; Reader,B,F; Nelson,R,J. "Short photoperiods impair spatial learning and alter hippocampal dendritic morphology in adult male white-footed mice (Peromyscus leucopus)." JOURNAL OF NEUROSCIENCE. Vol. 25, no. 18. (May 2005.): 4521-4526.

Weil,Z,M; Bowers,S,L; Pyter,L,M; Nelson,R,J. "Social interactions alter proinflammatory cytokine gene expression and behavior following endotoxin administration." BRAIN BEHAVIOR AND IMMUNITY. Vol. 20, no. 1. (January 2006.): 72-79.

Pyter,L,M; Nelson,R,J. "Enduring effects of photoperiod on affective behaviors in Siberian hamsters (Phodopus sungorus)." BEHAVIORAL NEUROSCIENCE. Vol. 120, no. 1. (February 2006.): 125-134.

Weil,Z,M; Pyter,L,M; Martin,L,B; Nelson,R,J. "Perinatal photoperiod organizes adult immune responses in Siberian hamsters (Phodopus sungorus)." AMERICAN JOURNAL OF PHYSIOLOGY-REGULATORY INTEGRATIVE AND COMPARATIVE PHYSIOLOGY. Vol. 290, no. 6. (June 2006.): R1714-R1719.

Pyter,Leah,M; Trainor,Brian,C; Nelson,Randy,J. "Testosterone and photoperiod interact to affect spatial learning and memory in adult male white-footed mice (Peromyscus leucopus)." EUROPEAN JOURNAL OF NEUROSCIENCE. Vol. 23, no. 11. (June 2006.): 3056-3062.

Pyter,Leah,M; Adelson,Jaimie,D; Nelson,Randy,J. "Short days increase hypothalamic-pituitary-adrenal axis responsiveness." ENDOCRINOLOGY. Vol. 148, no. 7. (July 2007.): 3402-3409.

Prendergast,Brian,J; Pyter,Leah,M; Galang,Jerome; Kay,Leslie,M. "Reproductive responses to photoperiod persist in olfactory bulbectomized Siberian hamsters (Phodopus sungorus)." BEHAVIOURAL BRAIN RESEARCH. Vol. 198, no. 1. (March 2009.): 159-164.

Prendergast,Brian,J; Galang,Jerome; Kay,Leslie,M; Pyter,Leah,M. "Influence of the olfactory bulbs on blood leukocytes and behavioral responses to infection in Siberian hamsters." BRAIN RESEARCH. Vol. 1268, (May 2009.): 48-57.

Pyter,Leah,M; Pineros,Vanessa; Galang,Jerome,A; McClintock,Martha,K; Prendergast,Brian,J. "Peripheral tumors induce depressive-like behaviors and cytokine production and alter hypothalamic-pituitary-adrenal axis regulation." PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA. Vol. 106, no. 22. (June 2009.): 9069-9074.

Paul,M,J; Pyter,L,M; FREEMAN,D,A; GALANG,J; Prendergast,B,J. "Photic and Nonphotic Seasonal Cues Differentially Engage Hypothalamic Kisspeptin and RFamide-Related Peptide mRNA Expression in Siberian Hamsters." JOURNAL OF NEUROENDOCRINOLOGY. Vol. 21, no. 12. (December 2009.): 1007-1014.

Prendergast,Brian,J; Pyter,Leah,M. "Photoperiod History Differentially Impacts Reproduction and Immune Function in Adult Siberian Hamsters." JOURNAL OF BIOLOGICAL RHYTHMS. Vol. 24, no. 6. (December 2009.): 509-522.

Pyter,Leah,M; Cochrane,Sally,F; Ouwenga,Rebecca,L; Patel,Priyesh,N; Pineros,Vanessa; Prendergast,Brian,J. "Mammary tumors induce select cognitive impairments." BRAIN BEHAVIOR AND IMMUNITY. Vol. 24, no. 6. (August 2010.): 903-907.


Walton,James,C; Pyter,Leah,M; Weil,Zachary,M; Nelson,Randy,J. "Photoperiod Mediated Changes in Olfactory Bulb Neurogenesis and Olfactory Behavior in Male White-Footed Mice (Peromyscus leucopus)." PLOS ONE. Vol. 7, no. 8. (August 2012.): e42743-.

Pyter,Leah,M; Kelly,Sean,D; Harrell,Constance,S; Neigh,Gretchen,N. "Sex differences in the effects of adolescent stress on adult brain inflammatory markers in rats." BRAIN BEHAVIOR AND IMMUNITY. Vol. 30, (May 2013.): 88-94.

Pyter,Leah,M; Prendergast,Brian,J. "Individual differences in pre-carcinogen cytokine and corticosterone concentrations and depressive-like behavior predict tumor onset in rats exposed to a carcinogen." PSYCHONEUROENDOCRINOLOGY. Vol. 38, no. 6. (June 2013.): 800-807.

Prendergast,Brian,J; Cable,Erin,J; Patel,Priyesh,N; Pyter,Leah,M; Onishi,Kenneth,G; Stevenson,Tyler,J; Ruby,Norman,F; Bradley,Sean,P. "Impaired leukocyte trafficking and skin inflammatory responses in hamsters lacking a functional circadian system." BRAIN BEHAVIOR AND IMMUNITY. Vol. 32, (August 2013.): 94-104.

Prendergast,Brian,J; Pyter,Leah,M; Kampf-Lassin,August; Patel,Priyesh,N; Stevenson,Tyler,J. "Rapid Induction of Hypothalamic Iodothyronine Deiodinase Expression by Photoperiod and Melatonin in Juvenile Siberian Hamsters (Phodopus sungorus)." ENDOCRINOLOGY. Vol. 154, no. 2. (February 2013.): 831-841.

Pyter,Leah,M; Bih,Sarah,El Mouatassim; Sattar,Husain; Prendergast,Brian,J. "Peripheral tumors alter neuroinflammatory responses to lipopolysaccharide in female rats." BRAIN RESEARCH. Vol. 1552, (March 2014.): 55-63.