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List of works by Gregory E Demas

A Return to Wisdom: Using Sickness Behaviors to Integrate Ecological and Translational Research

scientific article published on 25 August 2017

A gut feeling: Microbiome-brain-immune interactions modulate social and affective behaviors

scientific article published on 7 February 2018

Acute intraperitoneal lipopolysaccharide influences the immune system in the absence of gut dysbiosis

scientific article published in March 2018

Adrenal hormones mediate melatonin-induced increases in aggression in male Siberian hamsters (Phodopus sungorus).

scientific article published in December 2004

Aggressive behaviours track transitions in seasonal phenotypes of female Siberian hamsters

scientific article published on 12 January 2017

Aggressive encounters differentially affect serum dehydroepiandrosterone and testosterone concentrations in male Siberian hamsters (Phodopus sungorus).

scientific article published on 17 July 2009

Associations between innate immune function and ectoparasites in wild rodent hosts.

scientific article

Behavioral and physiological responses to experimentally elevated testosterone in female dark-eyed juncos (Junco hyemalis carolinensis).

scientific article published on 4 May 2006

Beyond phytohaemagglutinin: assessing vertebrate immune function across ecological contexts.

scientific article published on 14 March 2011

Bi-directional actions of dehydroepiandrosterone and aggression in female Siberian hamsters

scientific article published on 24 December 2015

Body mass affects seasonal variation in sickness intensity in a seasonally breeding rodent

scientific article published on 7 April 2015

Brain mast cells are influenced by chemosensory cues associated with estrus induction in female prairie voles (Microtus ochrogaster).

scientific article published on December 2003

Chemical sympathectomy reduces peripheral inflammatory responses to acute and chronic sleep fragmentation

scientific article published on 04 March 2020

DHEA effects on brain and behavior: insights from comparative studies of aggression.

scientific article

Early-life sickness may predispose Siberian hamsters to behavioral changes following alterations of the gut microbiome in adulthood

scientific article published on 04 July 2018

Ecoimmunology for psychoneuroimmunologists: Considering context in neuroendocrine-immune-behavior interactions

scientific article

Ecological immunology: The organism in context ⬇️

scientific article published on May 22, 2009

Effects of exogenous leptin on seasonal reproductive responses to interacting environmental cues in female Siberian hamsters

scientific article published on 12 June 2017

Empathy in prairie voles: Is this the consolation prize?

scientific article published on 21 July 2016

Endotoxin rapidly desensitizes the gonads to kisspeptin-induced luteinizing hormone release in male Siberian hamsters (Phodopus sungorus)

scientific article published on 26 November 2018

Environmental control of kisspeptin: implications for seasonal reproduction

scientific article published on 21 December 2006

Examining sources of variation in HPG axis function among individuals and populations of the dark-eyed junco

scientific article published on 17 October 2013

Exogenous insulin enhances humoural immune responses in short-day, but not long-day, Siberian hamsters (Phodopus sungorus).

scientific article published on 17 March 2010

Exogenous kisspeptin does not alter photoperiod-induced gonadal regression in Siberian hamsters (Phodopus sungorus).

scientific article published on 5 March 2008

Experimentally induced sickness decreases food intake, but not hoarding, in Siberian hamsters (Phodopus sungorus).

scientific article published on 8 August 2008

Exposure to short days, but not short-term melatonin, enhances humoral immunity of male Syrian hamsters (Mesocricetus auratus).

scientific article

Female mice respond differently to costly foraging versus food restriction

scientific article published in July 2008

Food as a supplementary cue triggers seasonal changes in aggression, but not reproduction, in Siberian hamsters

scientific article published on 28 September 2016

Food supplementation and testosterone interact to influence reproductive behavior and immune function in Sceloporus graciosus

scientific article

Glucose and insulin modulate sickness responses in male Siberian hamsters

scientific article

Gonadal hormones modulate the display of submissive behavior in socially defeated female Syrian hamsters

scientific article published in May 2005

Hormonal Correlates of Exploratory and Play-Soliciting Behavior in Domestic Dogs

Human disturbance alters endocrine and immune responses in the Galapagos marine iguana (Amblyrhynchus cristatus).

scientific article

In vivo but not in vitro leptin enhances lymphocyte proliferation in Siberian hamsters (Phodopus sungorus).

scientific article published on 6 November 2009

Incubation Environment Affects Immune System Development in a Turtle with Environmental Sex Determination

scientific article

Interaction of menstrual cycle phase and sexual activity predicts mucosal and systemic humoral immunity in healthy women

scientific article

Interactions Among Sexual Activity, Menstrual Cycle Phase, and Immune Function in Healthy Women

scientific article published on 21 November 2017

Introduction to ecoimmunology: An integrative approach

scientific article published on 01 June 2017

Introduction to the Special Issue on Neuroendocrine-Immune Interactions: Implications for Integrative and Comparative Physiologists

scientific article published in February 2017

Leptin as a physiological mediator of energetic trade-offs in ecoimmunology: implications for disease

scientific article published on 5 May 2011

Leptin increases maternal investment

scientific article published on 26 August 2009

Leptin mediates seasonal variation in some but not all symptoms of sickness in Siberian hamsters

scientific article

Leptin regulates energetic tradeoffs between body fat and humoural immunity

scientific article published in September 2005

Leptin, a neuroendocrine mediator of immune responses, inflammation, and sickness behaviors ⬇️

scientific article published on April 25, 2012

Lipid signaling and fat storage in the dark-eyed junco

scientific article published in February 2017

Maternal immune activation affects litter success, size and neuroendocrine responses related to behavior in adult offspring ⬇️

scientific article published on June 28, 2013

Metabolic stress suppresses humoral immune function in long-day, but not short-day, Siberian hamsters (Phodopus sungorus).

scientific article published on 6 December 2006

Metabolic stressors and signals differentially affect energy allocation between reproduction and immune function

scientific article

Neural Androgen Synthesis and Aggression: Insights From a Seasonally Breeding Rodent

scientific article published on 4 April 2018

Neuroendocrine-immune circuits, phenotypes, and interactions

scientific article

Nitric Oxide and Aggression

Novel mechanisms for neuroendocrine regulation of aggression

scientific article

Overcoming neonatal sickness: Sex-specific effects of sickness on physiology and social behavior.

scientific article published on 6 July 2017

Partnered sexual activity moderates menstrual cycle-related changes in inflammation markers in healthy women: an exploratory observational study

scientific article published on 2 December 2016

Persistent photoperiodic effects on immunological responsiveness: shedding light on immunity

scientific article published on 01 January 2004

Photoperiod and aggression induce changes in ventral gland compounds exclusively in male Siberian hamsters

scientific article

Photoperiod modulates the effects of norepinephrine on lymphocyte proliferation in Siberian hamsters

scientific article published in October 2003

Photoperiod-dependent effects of neuronal nitric oxide synthase inhibition on aggression in Siberian hamsters.

scientific article published on 14 December 2011

Photoperiodic regulation of gene expression in brown and white adipose tissue of Siberian hamsters (Phodopus sungorus) ⬇️

scientific article published on 01 January 2002

Physiological predictors of leptin vary during menses and ovulation in healthy women.

scientific article published on 14 February 2018

Pleiotropic contributions of nitric oxide to aggressive behavior.

scientific article

Recent advances in reproductive neuroendocrinology: a role for RFamide peptides in seasonal reproduction?

scientific article published on 01 September 2008

Reductions in total body fat decrease humoral immunity

scientific article published in May 2003

Response to exogenous kisspeptin varies according to sex and reproductive condition in Siberian hamsters (Phodopus sungorus) ⬇️

scientific article published on October 16, 2010

Seasonal changes in adiposity: the roles of the photoperiod, melatonin and other hormones, and sympathetic nervous system

scientific article

Sex-specific modulation of the gut microbiome and behavior in Siberian hamsters.

scientific article published on 2 November 2016

Sexual activity modulates shifts in TH1/TH2 cytokine profile across the menstrual cycle: an observational study

scientific article

Short days and exogenous melatonin increase aggression of male Syrian hamsters (Mesocricetus auratus).

scientific article published in August 2002

Short-day aggression is independent of changes in cortisol or glucocorticoid receptors in male Siberian hamsters (Phodopus sungorus).

scientific article published on 19 March 2015

Short-day increases in aggression are independent of circulating gonadal steroids in female Siberian hamsters (Phodopus sungorus).

scientific article published on 6 April 2007

Sickness-induced changes in physiology do not affect fecundity or same-sex behavior

scientific article published on 7 November 2017

Social defeat differentially affects immune responses in Siberian hamsters (Phodopus sungorus).

scientific article published on 27 April 2010

Social interactions differentially affect reproductive and immune responses of Siberian hamsters

scientific article published in October 2004

Social isolation disrupts innate immune responses in both male and female prairie voles and enhances agonistic behavior in female prairie voles (Microtus ochrogaster)

scientific article published on 30 January 2015

Special Issue Dedicated to Dr. Timothy J Bartness

scientific article published on 01 June 2018

Splenic denervation blocks leptin-induced enhancement of humoral immunity in Siberian hamsters (Phodopus sungorus).

scientific article published in September 2002

Suppression of kisspeptin expression and gonadotropic axis sensitivity following exposure to inhibitory day lengths in female Siberian hamsters

scientific article published on 21 July 2007

Testosterone and immune-reproductive tradeoffs in healthy women.

scientific article published on 16 November 2016

The call of the wild: using non-model systems to investigate microbiome–behaviour relationships

scientific article published in 2021

The energetics of immunity: a neuroendocrine link between energy balance and immune function

scientific article published on March 2004

The glutamate agonist NMDA blocks gonadal regression and enhances antibody response to an immune challenge in Siberian hamsters (Phodopus sungorus)

scientific article

The role of androgens in the mediation of seasonal territorial aggression in male Siberian hamsters (Phodopus sungorus).

scientific article published on 14 September 2008

There's no place like biome: Can helminths restore the body's ecosystem?

scientific article published on 14 September 2015

Timing of Maternal Immunization Affects Immunological and Behavioral Outcomes of Adult Offspring in Siberian Hamsters (Phodopus sungorus).

scientific article published on 20 June 2016

Timothy J. Bartness

scientific article published in February 2016

Trade-offs between reproductive coloration and innate immunity in a natural population of female sagebrush lizards, Sceloporus graciosus ⬇️

scientific article

Urinary volatile compounds differ across reproductive phenotypes and following aggression in male Siberian hamsters

scientific article published on 19 May 2016

Vasopressin cell groups exhibit strongly divergent responses to copulation and male-male interactions in mice

scientific article

Vocalizations convey sex, seasonal phenotype, and aggression in a seasonal mammal

scientific article published on 16 September 2015

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