Publications
= link to abstract,
= link to pdf
Books
Nelson, R.J., Demas, G.E., Klein, S.L., & Kriegsfeld, L.K. (2002).
Seasonal Patterns of Stress, Immune
Function and Disease.
Cambridge
University Press: Cambridge, UK. (click here
to download a sample chapter)
Journal Articles
1.
Brown, M.F. and Demas, G.E. (1994). Evidence for spatial working memory in
honey bees (Apismellifera).
Journal of Comparative Psychology, 108:344-352.
2.
Demas, G. E. and Brown, M. F. (1995). Honey bees are predisposed to win-shift
but can learn to win-stay.
Animal Behaviour, 50:1041-1045.
3.
Nelson, R.J., Demas, G.E., Huang, P.L., Fishman, M.C., Dawson,
V.L., Dawson, T.M. and Snyder, S.H. (1995). Behavioural
abnormalities in male mice lacking neuronal nitric oxide synthase. Nature,
378:383-386.
4.
Nelson, R.J., Demas, G.E., Klein, S.L. and Kriegsfeld, L.J. (1995). The
influence of season, photoperiod and pineal
melatonin on immune function. Journal of Pineal Research, 9:149-165.
5.
Burnett, A.L., Nelson, R.J., Calvin, D., Liu, J-X, Demas, G.E., Klein, S.L.,
Kriegsfeld, L.J., Dawson, T.M. and Snyder, S.H.
(1996). Nitric oxide-dependent penile erection in mice lacking neuronal nitric
oxide synthase. Molecular Medicine, 2:288-296.
6.
Nelson, R.J., Asfaw, B., DeVries, A.C. and Demas, G.E. (1996). Reproductive
response to
photoperiod affects corticosterone and immunoglobulin G levels in prairie
voles (Microtus ochrogaster). Canadian Journal of Zoology,
74:576-581.
7.
Nelson, R.J., Fine, J.B., Demas, G.E. and Moffatt, C.A. (1996). Photoperiod
and population density interact to affect
reproductive and immune function in male prairie voles. American Journal
of Physiology, 270:R571-R577.
8.
Demas, G.E. and Nelson, R.J. (1996). Photoperiod and ambient temperature
interact to affect
immune parameters in male deer mice (Peromyscus maniculatus).
Journal of Biological Rhythms, 11:95-103.
9.
Demas, G.E., Klein, S.L. and Nelson, R.J. (1996). Reproductive and immune
responses to
photoperiod and melatonin are linked in Peromyscus subspecies.
Journal of Comparative Physiology A, 179:819-825.
10.
Nelson, R.J. and Demas, G.E. (1996). Seasonal changes in immune function.
Quarterly Review of
Biology,
71:511-548.
11.
Demas, G.E., Nelson, R.J., Kreuger, B. and Yarowsky, P.J. (1996). Spatial
memory deficits in
segmental trisomic (Ts[17(16)]65Dn) mice. Behavioural Brain Research,
81:85-92.
12.
Demas, G.E., DeVries, A.C. and Nelson, R.J. (1997). Effects of photoperiod
and 2-deoxy-D-glucose-induced
metabolic stress on immune function in female deer mice (Peromyscus
maniculatus). American Journal of Physiology, 272:R1762-R1767.
13.
Demas, G.E, Elliason, M. L., Dawson, T.M., Dawson, V.L., Kriegsfeld, L.J.,
Nelson, R.J. and Snyder, S.H. (1997). Inhibition
of neuronal nitric oxide synthase increases aggression in mice. Molecular
Medicine, 3:610-616.
14.
Nelson, R.J. and Demas, G.E. (1997). Role of melatonin in mediating seasonal
energetic and
immunologic adaptations. Brain Research Bulletin, 44: 423-430.
15.
Demas, G.E. and Nelson, R.J. (1997). Social, but not photoperiodic
responsiveness on reproductive function in Peromyscus
aztecus. Biology of Reproduction, 58:385-389.
16.
Demas, G.E., Chefer, V., Talan, M. and Nelson, R.J. (1997). Metabolic costs
of mounting an antigen-stimulated
antibody response in adult and aged C57BL/6J mice. American Journal of
Physiology, 273:R1631-R1637.
17.
Demas, G.E., Williams, J.M. and Nelson, R.J. (1997). Amygdala but not
hippocampal lesions impair olfactory memory for mate
in female prairie voles (Microtus ochrogaster). American Journal of
Physiology, 273:R1683-R1689.
18.
DeVries, A.C., Gerber, J.M., Richardson, H.N., Moffatt, C.A., Demas, G.E. and
Nelson, R.J. (1997). The effects of stress on
corticosteroid levels and immune function in male house mice (Mus musculus)
and prairie voles (Microtus ochrogaster). Journal of Comparative
Biochemistry and Physiology A, 118:655-663.
19.
Burnett, A.L., Poss, K., Klein, S.L., Kriegsfeld, L.J., Demas, G.E., Calvin,
D.C., Dawson, T.M., Nelson, R.J., Tonegawa, S.
and Snyder, S.H. (1997). Impaired sexual motivation and performance in mice
lacking heme oxygenase-2. Nature Medicine, 4:84-87.
20.
Demas, G.E, Nelson, R.J., Yarowsky, P. and Kreuger, B. (1997). Impaired
spatial working and reference memory in
segmental trisomy (Ts65Dn) mice. Behavioural Brain Research,
90:199-201.
21.
Demas, G.E and Nelson, R.J. (1998). Exogenous melatonin enhances cellular,
but not humoral
immune function in adult male deer mice (Peromyscus maniculatus).
Journal of Biological Rhythms, 13:245-252.
22.
Demas, G.E and Nelson, R.J. (1998). Photoperiod, ambient temperature and food
restriction interact to affect reproductive and
immune function in adult male deer mice (Peromyscus maniculatus).
Journal of Biological Rhythms, 13:253-262.
23.
Demas, G.E. and Nelson, R.J. (1998). Short-day enhancement of immune function
is not mediated by
gonadal steroid hormones in adult deer mice (Peromyscus maniculatus).
Journal of Comparative Physiology B, 168:419-426.
24.
Bentley, G.E., Demas, G.E., Nelson, R.J. and Ball, G.F. (1998). Melatonin,
immune function, and
reproductive state in male European starlings (Sturnus vulgaris).
Proceedings of the Royal Society of
London
B, 265:1191-1195.
25.
Nelson, R.J., Demas, G.E. and Klein, S.L. (1998). Photoperiodic mediation of
seasonal breeding and immune function in rodents:
A multi-factorial approach. American Zoologist, 38:225-236.
26.
Walensky L.D., Shi Z.T., Blackshaw, S., DeVries, A.C., Demas, G.E., Gascard, P.,
Nelson, R.J., Conboy, J.G., Rubin, E.M., Snyder, S.H., Mohandas, N.
(1998). Neurobehavioral deficits in mice lacking the erythrocyte membrane
cytoskeletal protein 4.1. Current Biology, 8:1269-1272.
27. Kriegsfeld, L.J.,
Demas, G.E., Dawson,
T.M., Dawson, V.L., Snyder, S.H. and Nelson, R.J. (1999). Undisturbed circadian
locomotor rhythms in mice with targeted disruption of neuronal nitric oxide
synthase. Journal of Biological Rhythms, 14:20-27.
28.
Demas, G.E., Moffatt, C.A., Drazen, D.L. and Nelson, R.J. (1999). Castration
does not inhibit
aggressive behavior in adult male prairie voles (Microtus ochrogaster).
Physiology & Behavior, 66:59-62.
29.
Kriegsfeld, L.J., Eliasson, M.J.L., Blackshaw, S., Demas, G.E., Nelson, R.J. and
Snyder, S.H. (1999). Nocturnal motor coordination deficits in neuronal nitric
oxide synthase knock-out mice. Neuroscience,
89:311-315.
30.
Demas, G.E. and Bartness, T.J. (1999). Effects of food deprivation and
metabolic fuel utilization on food hoarding by jirds (Meriones
shawi). Physiology & Behavior, 67:243-248.
31.
Demas, G.E., Kriegsfeld, L.J., Blackshaw, S., Nelson, R.J. and Snyder, S.H.
(1999). Elimination of aggressive behavior in male
mice lacking endothelial nitric oxide synthase. Journal of Neuroscience,
19:RC30 (1-5).
32. Kriegsfeld, L.J.,
Demas, G.E., Burnett, A.L. and Nelson, R.J. (1999). Ejaculatory abnormalities
in mice lacking the
gene for endothelial nitric oxide synthase (eNOS-/-). Physiology & Behavior,
67:561-566.
33.
Demas, G.E., Kriegsfeld, L.J., Poss, K.D., Tonegawa, S. and Nelson, R.J.
(1999). Circadian
locomotor rhythms in mice with targeted disruption of the gene for carbon
monoxide synthesizing enzyme heme oxygenase-2. Biological Rhythm Research,
30:282-289
34. Jasnow, A.M., Bartness, T.J., Huhman, K.L., and Demas, G.E. (2000). Short-day
increases in
aggression are inversely related to circulating testosterone concentrations in
male Siberian hamsters (Phodopus sungorus), Hormones and Behavior,
38:102-110.
35.
Sampei, K., Goto, S., Alkayed, N.J., Crain, B.J., Korach, K.S., Traystman, R.J.,
Demas G.E., Nelson,
R.J. and Hurn PD.(2000) Stroke in estrogen receptor
a-deficient
mice. Stroke, 31:738-743.
36.
Demas, G.E., El-Bakry, H.A., Mintz, E.M., Zahran, W.M. and Bartness, T.J.
(2001). Wheel-running activity patterns in long
and short days by five species of desert rodents. Biological Rhythm Research,
32:1-16.
37. Bartness, T.J., Song,
C.K. and Demas, G.E. (2001). Central nervous system innervation of brown adipose tissue. In: Adipose
Tissue, S. Klaus (Ed.) Landes Bioscience: Georgetown, TX, pp. 97-115.
38. Bartness, T.J., Demas,
G.E. and Song, C.K. (2001). Central nervous system innervation of white adipose tissue. In: Adipose
Tissue, S. Klaus (Ed.) Landes Bioscience: Georgetown, TX, pp. 116-130.
39.
Bartness, T.J., Song, C.K. and Demas G.E. (2001). Viral identification of SCN
efferents to peripheral tissue: Findings and
implications for biological rhythms. Journal of Biological Rhythms, 16:
196-204.
40.
Drazen, D.L., Demas, G.E., Nelson, R.J. (2001). Leptin effects on immune
function and energy
balance are photoperiod-dependent in Siberian hamsters (Phodopus sungorus).
Endocrinology, 142: 2768-2775.
41. Demas, G.E. and
Bartness, T.J. (2001). A novel method for localized sympathetic nervous system denervation of
peripheral tissue using guanethidine Journal of Neuroscience Methods,
122: 21-28.
42.
Demas, G.E. and Bartness, T.J. (2001). Direct innervation of body fat and
adrenal medullary
catecholamines mediate photoperiodic changes in body fat. American Journal of
Physiology, 281:R1499-1505.
43.
Jasnow, A.J., Drazen, D.L, Nelson, R.J., Huhman, K.L. and Demas, G.E. (2001).
Acute and chronic
social defeat
suppresses humoral immunity of male Syrian hamsters (Mesocricetus auratus).
Hormones and Behavior, 40:428-433.
44.
Demas, G.E., Bowers, R., Bartness, T.J. and Gettys, T.W. (2001). Photoperiodic
changes in gene
expression in adipose tissue in Siberian hamsters (Phodopus sungorus).
American Journal of Physiology, 282:R114-R121.
45.
Demas, G.E., Drazen, D.L., Jasnow, A.J., Bartness, T.J. and Nelson, R.J.
(2002). Sympathoadrenal system differentially
affects photoperiodic changes in immune function in Siberian hamsters (Phodopus
sungorus), Journal of Neuroendocrinology, 14:29-35.
46. Bartness, T.J., Demas,
G.E. and Song C.K. (2002). Seasonal changes in adiposity: the roles of the photoperiod,
melatonin and sympathetic nervous system. Experimental Biology
and Medicine, 227: 363-376.
47.
Demas, G.E. (2002). Splenic denervation blocks leptin-induced enhancement of
humoral immunity in
Siberian hamsters (Phodopus sungorus), Neuroendocrinology,
76:178-184.
48.
Drazen, D.L., Jasnow, A.J., Nelson, R.J. and Demas. G.E. (2002). Short days,
but not short-term
melatonin treatment, enhances humoral immunity in male Syrian hamsters (Mesocricetus
auratus). Journal of Pineal Research,
33: 118-124.
49.
Jasnow, A.J., Huhman, K.L., Bartness, T.J. and Demas, G.E. (2002). Short days
and exogenous
melatonin increase aggression in male Syrian hamsters (Mesocricetus auratus),
Hormones and Behavior, 42:13-20.
50.
Demas, G.E and Nelson, R.J. (2003). Lack of photoperiodic changes in humoral or
cell-mediated immunity
in a desert-dwelling rodent, Peromyscus aztecus. Journal of
Comparative Physiology B, 173:171-176.
51.
Demas, G.E., Drazen, D.L. and Nelson, R.J. (2003). Reduction in total body
decreases humoral immunity, Proceedings of the Royal Society of Sciences B,
270:905-911.
52.
Demas, G.E., Bartness, T.J., Nelson, R.J, and Drazen, D.L. . (2003).
Photoperiod modulates the effects of norepinephrine on lymphocyte
proliferation in Siberian hamsters, American Journal of Physiology, 285:R873-R879.
53. Bartness, T.J. and Demas,
G.E. (2004). Comparative studies of food intake. In: Handbook of
Neurobiology, Vol. 10:
Neurobiology of Food and Fluid Intake.
E.M. Stricker and S. Woods (Eds). Kluwer Press., pp. 423-467.
54. Demas, G.E. and Kriegsfeld, L.J. (2004). Biological Rhythms. In:
Encyclopedia of Endocrine Diseases, L. Martini (Ed.), Academic Press: New
York NY, pp. 345-352.
55. Demas, G.E. (2004). The
energetics of immunity: A neuroendocrine link between energy balance and immune
function. Hormones and Behavior, 43: 75-80.
56.
Kriegsfeld,
L.J., Demas, G.E., Hotchkiss, A., Silverman, A-J., Silver, R., & Nelson, R.J.
(2003). Brain mast cells are influenced by estrus induction in female prairie
voles (Microtus ochrogaster). Hormones and Behavior,
44:377-84.
57. Nelson, R.J. and Demas,
G.E. (2004). Seasonal patterns of stress and disease. Current Directions in
Psychological Science, 13:198-201.
58. Demas, G.E. (2004).
Persistent photoperiodic effects on immune responsiveness: Shedding light on
immunity. American Journal of Physiology, 286: 18-19.
59. Demas, G.E.,
Johnson, C. and Polacek, K.M. (2004). Social interactions affect reproductive
and immune responses in Siberian hamsters (Phodopus sungorus).
Physiology & Behavior, 83:73-79.
60. Demas, G.E., Polacek, K.M.,
Durazzo, A. and Jasnow, A.M. (2004). Adrenal hormones mediate melatonin-induced
increases in aggression in male Siberian hamsters (Phodopus sungorus),
Hormones and Behavior, 46: 582-591.
61. Wen, J., Hotchkiss, A.,
Demas, G.E. and Nelson, R.J. (2004).
Photoperiod affects
neuronal nitric oxide synthase and aggressive behavior in male Siberian hamsters
(Phodopus sungorus, Journal of Neuroendocrinology, 16:916-921.
62. Nelson,
R.J., Demas, G.E. and Chiavegatto S. (2005). Nitric oxide and aggression. In:
R.J. Nelson (Ed.) The Neurobiology of Aggression and Violence, In press.
63. Faruzzi, A.N.,
Solomon, M.B., Demas, G.E. and Huhman, K.L. (2005). Gonadal homrones modulate
the display of submissive behavior in socially defeated female Syrian hamsters.
Hormones and Behavior, In press.
64. Nelson,
R.J., Chiavegatto, S., Demas, G.E. and Trainor B. (2005). Pleiotropic
Contributions of Neuronal Nitric Oxide Synthase (NOS-1) to Aggressive Behavior.
Neuroscience and Biobehavioral Reviews, In press.