- Overview
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Steroids are powerful molecules that regulate a wide variety of physiological processes. My research examines how steroids are synthesized and regulated in the body.
- Publications
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Prenatal glyphosate exposure disrupts the gut-brain axis across several generations in mice
J.A. Barnett and J.K. Josephson and N. Haskey and M.M. Hart and K.K. Soma and M.L. Bandy and C.J. McComb and A. Verdugo and S. Ghosh and C. Letef and A. Copp and J. Gibon and J. Ye and R.T. Giebelhaus and S.J. Murch and M.M. Jung and D.L. Gibson
DOI: 10.1101/2024.08.27.609990
08/2024Effect of a Territorial Challenge on the Steroid Profile of a Juvenile Songbird
Neuroscience
DOI: 10.1016/j.neuroscience.2024.01.008
2024Steroid profiling in human primary teeth via liquid chromatography-tandem mass spectrometry for long-term retrospective steroid measurement
PLoS ONE
DOI: 10.1371/journal.pone.0309478
2024Evolution of a novel adrenal cell type that promotes parental care
Nature
DOI: 10.1038/s41586-024-07423-y
2024Early life intestinal inflammation alters gut microbiome, impairing gut-brain communication and reproductive behavior in mice
bioRxiv
DOI: 10.1101/2024.05.23.595618
2024An Aggressive Interaction Rapidly Increases Brain Androgens in a Male Songbird during the Non-breeding Season
Journal of Neuroscience
DOI: 10.1523/JNEUROSCI.1095-23.2024
2024Brain and circulating steroids in an electric fish: Relevance for non-breeding aggression
PLoS ONE
DOI: 10.1371/journal.pone.0289461
2023Neurosteroids and the mesocorticolimbic system
Neuroscience and Biobehavioral Reviews
DOI: 10.1016/j.neubiorev.2023.105356
2023Measurement of Steroids in the Placenta, Maternal Serum, and Fetal Serum in Humans, Rats, and Mice: A Technical Note
Separations
DOI: 10.3390/separations10040221
2023Maternal high-sucrose consumption increases maternal and fetal glucocorticoids and decreases fetal androgens in the rat
bioRxiv
DOI: 10.1101/2023.10.31.565065
2023Androgen synthesis inhibition increases behavioural flexibility and mPFC tyrosine hydroxylase in gonadectomized male rats
Journal of Neuroendocrinology
DOI: 10.1111/jne.13128
2022Isoflurane stress induces region-specific glucocorticoid levels in neonatal mouse brain
Journal of Endocrinology
DOI: 10.1530/JOE-22-0049
2022Ultrasensitive Quantification of Multiple Estrogens in Songbird Blood and Microdissected Brain by LC-MS/MS
eNeuro
DOI: 10.1523/eneuro.0037-22.2022
2022Steroid profiling in brain and plasma of adult zebra finches following traumatic brain injury
Journal of Neuroendocrinology
DOI: 10.1111/jne.13151
2022Editorial: Recent Progress and Perspectives in Neurosteroid Research
Frontiers in Endocrinology
DOI: 10.3389/fendo.2022.951990
2022Differential effects of lipopolysaccharide on cognition, corticosterone and cytokines in socially-housed vs isolated male rats
Behavioural Brain Research
DOI: 10.1016/j.bbr.2022.114000
2022Glucocorticoid Production in Lymphoid Organs: Acute Effects of Lipopolysaccharide in Neonatal and Adult Mice
Endocrinology
Salehzadeh, M. and Hamden, J.E. and Li, M.X. and Bajaj, H. and Wu, R.S. and Soma, K.K.
DOI: 10.1210/endocr/bqab244
2022Steroid profiling of glucocorticoids in microdissected mouse brain across development.
Developmental neurobiology
Hamden JE and Gray KM and Salehzadeh M and Kachkovski GV and Forys BJ and Ma C and Austin SH and Soma KK
DOI: 10.1002/dneu.22808
PubMed: 33420760
01/2021Glucocorticoid production in the thymus and brain: Immunosteroids and neurosteroids
Brain, Behavior, and Immunity - Health
DOI: 10.1016/j.bbih.2021.100352
2021Androgen synthesis inhibition but not gonadectomy reduces persistence during strategy set-shifting and reversal learning in male rats
bioRxiv
Tomm, R.J. and Seib, D.R. and Kachkovski, G.V. and Schweitzer, H.R. and Tobiansky, D.J. and Floresco, S.B. and Soma, K.K.
DOI: 10.1101/2021.08.11.456005
2021Isoflurane stress induces glucocorticoid production in mouse lymphoid organs
Journal of Endocrinology
Hamden, J.E. and Salehzadeh, M. and Gray, K.M. and Forys, B.J. and Soma, K.K.
DOI: 10.1530/JOE-21-0154
2021Sex-specific effects of neonatal oral sucrose treatment on growth and liver choline and glucocorticoid metabolism in adulthood
American journal of physiology. Regulatory, integrative and comparative physiology
Ramírez-Contreras, C.Y. and Mehran, A.E. and Salehzadeh, M. and Mussai, E.-X. and Miller, J.W. and Smith, A. and Ranger, M. and Holsti, L. and Soma, K.K. and Devlin, A.M.
DOI: 10.1152/ajpregu.00091.2021
2021Maternal sucrose consumption alters behaviour and steroids in adult rat offspring
The Journal of endocrinology
Tobiansky, D.J. and Kachkovski, G.V. and Enos, R.T. and Schmidt, K.L. and Murphy, E.A. and Floresco, S.B. and Soma, K.K.
DOI: 10.1530/JOE-21-0166
2021Neuroendocrine Mechanisms Underlying Non-breeding Aggression: Common Strategies Between Birds and Fish
Frontiers in Neural Circuits
Quintana, L. and Jalabert, C. and Fokidis, H.B. and Soma, K.K. and Zubizarreta, L.
DOI: 10.3389/fncir.2021.716605
2021SteroidXtract: Deep Learning-Based Pattern Recognition Enables Comprehensive and Rapid Extraction of Steroid-Like Metabolic Features for Automated Biology-Driven Metabolomics
Analytical Chemistry
Xing, S. and Jiao, Y. and Salehzadeh, M. and Soma, K.K. and Huan, T.
DOI: 10.1021/acs.analchem.0c04834
2021Profiling of systemic and brain steroids in male songbirds: Seasonal changes in neurosteroids.
Journal of neuroendocrinology
Jalabert C and Ma C and Soma KK
DOI: 10.1111/jne.12922
PubMed: 33314446
11/2020Sucrose consumption alters steroid and dopamine signalling in the female rat brain
Journal of Endocrinology
Daniel J Tobiansky and George V Kachkovski and Reilly T Enos and Kim L Schmidt and E Angela Murphy and Kiran K Soma
DOI: 10.1530/joe-19-0386
05/2020Effects of aging on testosterone and androgen receptors in the mesocorticolimbic system of male rats
Hormones and Behavior
Katelyn L. Low and Ryan J. Tomm and Chunqi Ma and Daniel J. Tobiansky and Stan B. Floresco and Kiran K. Soma
DOI: 10.1016/j.yhbeh.2020.104689
04/2020Reprint of “Concepts derived from the Challenge Hypothesis”
Hormones and Behavior
Wingfield, J.C. and Goymann, W. and Jalabert, C. and Soma, K.K.
DOI: 10.1016/j.yhbeh.2020.104802
2020Phenotypic flexibility of glucocorticoid signaling in skeletal muscles of a songbird preparing to migrate
Hormones and Behavior
Devaleena S. Pradhan and Raymond Van Ness and Cecilia Jalabert and Jordan E. Hamden and Suzanne H. Austin and Kiran K. Soma and Marilyn Ramenofsky and Barney A. Schlinger
DOI: 10.1016/j.yhbeh.2019.104586
11/2019Concepts derived from the Challenge Hypothesis.
Hormones and behavior
Wingfield JC and Goymann W and Jalabert C and Soma KK
DOI: 10.1016/j.yhbeh.2019.06.014
PubMed: 31265826
06/2019Measurement of 11-dehydrocorticosterone in mice, rats and songbirds: Effects of age, sex and stress.
General and comparative endocrinology
Hamden JE and Salehzadeh M and Jalabert C and O'Leary TP and Snyder JS and Gomez-Sanchez CE and Soma KK
DOI: 10.1016/j.ygcen.2019.05.018
PubMed: 31145891
05/2019Pubertal development of estradiol-induced hypothalamic progesterone synthesis.
Hormones and behavior
Mohr MA and Wong AM and Tomm RJ and Soma KK and Micevych PE
DOI: 10.1016/j.yhbeh.2018.12.007
PubMed: 30552874
12/2018Preparing to migrate: expression of androgen signaling molecules and insulin-like growth factor-1 in skeletal muscles of Gambel's white-crowned sparrows.
Journal of comparative physiology. A, Neuroethology, sensory, neural, and behavioral physiology
Pradhan DS and Ma C and Schlinger BA and Soma KK and Ramenofsky M
DOI: 10.1007/s00359-018-1308-7
PubMed: 30535830
12/2018Neuropeptide Y and orexin immunoreactivity in the sparrow brain coincide with seasonal changes in energy balance and steroids.
The Journal of comparative neurology
Fokidis HB and Ma C and Radin B and Prior NH and Adomat HH and Guns ES and Soma KK
DOI: 10.1002/cne.24535
PubMed: 30225913
10/2018Effects of aging on executive functioning and mesocorticolimbic dopamine markers in male Fischer 344 × brown Norway rats.
Neurobiology of Aging
DOI: 10.1016/j.neurobiolaging.2018.08.020
PubMed: 30245243
08/2018Androgen Regulation of the Mesocorticolimbic System and Executive Function.
Frontiers in Endocrinology
DOI: 10.3389/fendo.2018.00279
PubMed: 29922228
06/2018Rapid effects of 17ß-estradiol on aggressive behavior in songbirds: Environmental and genetic influences.
Hormones and Behavior
DOI: 10.1016/j.yhbeh.2018.03.010
PubMed: 29605636
04/2018Rapid effects of estradiol on aggression depend on genotype in a species with an estrogen receptor polymorphism.
Hormones and Behavior
DOI: 10.1016/j.yhbeh.2017.11.014
PubMed: 29277700
02/2018Testosterone and Corticosterone in the Mesocorticolimbic System of Male Rats: Effects of Gonadectomy and Caloric Restriction.
Endocrinology
DOI: 10.1210/en.2017-00704
PubMed: 29069423
01/2018Aggressive Behavior
Reference Module in Biomedical Sciences
DOI: 10.1016/b978-0-12-801238-3.64591-9
2018Differential activation of endocrine-immune networks by arthritis challenge: Insights from colony-specific responses.
Scientific Reports
DOI: 10.1038/s41598-017-00652-4
PubMed: 28386080
04/2017Tyramide Signal Amplification Permits Immunohistochemical Analyses of Androgen Receptors in the Rat Prefrontal Cortex.
The Journal of Histochemistry and Cytochemistry
DOI: 10.1369/0022155417694870
PubMed: 28438093
03/2017A maternal high-fat, high-sucrose diet has sex-specific effects on fetal glucocorticoids with little consequence for offspring metabolism and voluntary locomotor activity in mice.
PloS One
DOI: 10.1371/journal.pone.0174030
PubMed: 28301585
03/2017Rapid Effects of Estrogens on Avian Brain and Social Behavior
Hormones, Brain and Behavior
DOI: 10.1016/B978-0-12-803592-4.00032-8
2017Early-life antibiotic treatment enhances the pathogenicity of CD4+ T cells during intestinal inflammation.
Journal of Leukocyte Biology
DOI: 10.1189/jlb.3ma0716-334rr
PubMed: 28034915
12/2016Local glucocorticoid production in lymphoid organs of mice and birds: Functions in lymphocyte development.
Hormones and Behavior
DOI: 10.1016/j.yhbeh.2016.10.022
PubMed: 27818220
11/2016Lymphoid organs of neonatal and adult mice preferentially produce active glucocorticoids from metabolites, not precursors.
Brain, Behavior, and Immunity
DOI: 10.1016/j.bbi.2016.05.003
PubMed: 27165988
05/2016Context-dependent effects of testosterone treatment to males on pair maintenance behaviour in zebra finches
Animal Behaviour
Nora H. Prior and Kang Nian Yap and Tian Qi D. Liu and Clementine Vignal and Kiran K. Soma
DOI: 10.1016/j.anbehav.2016.01.023
04/2016Identification of Avian Corticosteroid-binding Globulin (SerpinA6) Reveals the Molecular Basis of Evolutionary Adaptations in SerpinA6 Structure and Function as a Steroid-binding Protein.
The Journal of Biological Chemistry
DOI: 10.1074/jbc.M116.714378
PubMed: 27026706
03/2016Sex steroid profiles in zebra finches: Effects of reproductive state and domestication.
General and Comparative Endocrinology
DOI: 10.1016/j.ygcen.2016.02.018
PubMed: 26899721
02/2016Rapid Effects of an Aggressive Interaction on Dehydroepiandrosterone, Testosterone and Oestradiol Levels in the Male Song Sparrow Brain: a Seasonal Comparison.
Journal of Neuroendocrinology
DOI: 10.1111/jne.12345
PubMed: 26648568
02/2016Neuroendocrine regulation of long-term pair maintenance in the monogamous zebra finch
Hormones and Behavior
Nora H. Prior and Kiran K. Soma
DOI: 10.1016/j.yhbeh.2015.04.014
11/2015Sex steroid profiles and pair-maintenance behavior of captive wild-caught zebra finches (Taeniopygia guttata).
Journal of Comparative Physiology A
DOI: 10.1007/s00359-015-1050-3
PubMed: 26610331
11/2015Neuronal Gonadotrophin-Releasing Hormone (GnRH) and Astrocytic Gonadotrophin Inhibitory Hormone (GnIH) Immunoreactivity in the Adult Rat Hippocampus
Journal of Neuroendocrinology
J. K. Ferris and M. T. Tse and D. K. Hamson and M. D. Taves and C. Ma and N. McGuire and L. Arckens and G. E. Bentley and L. A. M. Galea and S. B. Floresco and K. K. Soma
DOI: 10.1111/jne.12307
09/2015Locally elevated cortisol in lymphoid organs of the developing zebra finch but not Japanese quail or chicken.
Developmental and comparative immunology
DOI: 10.1016/j.dci.2015.09.004
PubMed: 26366679
09/2015Transient and permanent effects of suboptimal incubation temperatures on growth, metabolic rate, immune function and adrenocortical responses in zebra finches
Journal of Experimental Biology
H. Wada and B. Kriengwatana and N. Allen and K. L. Schmidt and K. K. Soma and S. A. MacDougall-Shackleton
DOI: 10.1242/jeb.114108
07/2015A low carbohydrate, high protein diet suppresses intratumoral androgen synthesis and slows castration-resistant prostate tumor growth in mice
The Journal of Steroid Biochemistry and Molecular Biology
H. Bobby Fokidis and Mei Yieng Chin and Victor W. Ho and Hans H. Adomat and Kiran K. Soma and Ladan Fazli and Ka Mun Nip and Michael Cox and Gerald Krystal and Amina Zoubeidi and Emma S. Tomlinson Guns
DOI: 10.1016/j.jsbmb.2015.03.006
06/2015Rapid Effects of Estradiol on Aggression in Birds and Mice: The Fast and the Furious
Integrative and Comparative Biology
DOI: 10.1093/icb/icv048
05/2015Non-invasive administration of 17ß-estradiol rapidly increases aggressive behavior in non-breeding, but not breeding, male song sparrows
Hormones and Behavior
Sarah A. Heimovics and Jennifer K. Ferris and Kiran K. Soma
DOI: 10.1016/j.yhbeh.2014.11.012
03/2015Steroid Profiling Reveals Widespread Local Regulation of Glucocorticoid Levels During Mouse Development
Endocrinology
Matthew D. Taves and Adam W. Plumb and Benjamin A. Sandkam and Chunqi Ma and Jessica Grace Van Der Gugten and Daniel T. Holmes and David A. Close and Ninan Abraham and Kiran K. Soma
DOI: 10.1210/en.2013-1606
02/2015DHEA effects on brain and behavior: Insights from comparative studies of aggression
The Journal of Steroid Biochemistry and Molecular Biology
Kiran K. Soma and Nikki M. Rendon and Rudy Boonstra and H. Elliott Albers and Gregory E. Demas
DOI: 10.1016/j.jsbmb.2014.05.011
01/2015Regulation of local steroidogenesis in the brain and in prostate cancer: Lessons learned from interdisciplinary collaboration
Frontiers in Neuroendocrinology
H. Bobby Fokidis and Hans H. Adomat and Geetanjali Kharmate and Elham Hosseini-Beheshti and Emma S. Guns and Kiran K. Soma
DOI: 10.1016/j.yfrne.2014.08.005
01/2015Colony-Specific Differences in Endocrine and Immune Responses to an Inflammatory Challenge in Female Sprague Dawley Rats
Endocrinology
Tamara S. Bodnar and Lesley A. Hill and Matthew D. Taves and Wayne Yu and Kiran K. Soma and Geoffrey L. Hammond and Joanne Weinberg
DOI: 10.1210/en.2015-1497
2015Effects of nutritional stress during different developmental periods on song and the hypothalamic–pituitary–adrenal axis in zebra finches
Hormones and Behavior
B. Kriengwatana and H. Wada and K.L. Schmidt and M.D. Taves and K.K. Soma and S.A. MacDougall-Shackleton
DOI: 10.1016/j.yhbeh.2013.12.013
03/2014Acute and chronic effects of an aromatase inhibitor on pair-maintenance behavior of water-restricted zebra finch pairs
General and Comparative Endocrinology
Nora H. Prior and Kang Nian Yap and Kiran K. Soma
DOI: 10.1016/j.ygcen.2013.10.018
01/2014Developmental programming of the HPA and HPG axes by early-life stress in male and female song sparrows
General and Comparative Endocrinology
Kim L. Schmidt and Elizabeth A. MacDougall-Shackleton and Kiran K. Soma and Scott A. MacDougall-Shackleton
DOI: 10.1016/j.ygcen.2013.11.014
01/2014Effects of Corticosterone and DHEA on Doublecortin Immunoreactivity in the Song Control System and Hippocampus of Adult Song Sparrows
Developmental Neurobiology
Wada, H. and Newman, A. E. M. and Hall, Z. J. and Soma, K. K. and MacDougall-Shackleton, S. A.
DOI: 10.1002/dneu.22132
2014Gonadotropin releasing hormone (GnRH) and gonadotropin inhibitory hormone (GnIH) in the songbird hippocampus: Regional and sex differences in adult zebra finches
Peptides
McGuire, N. and Ferris, J. K. and Arckens, L. and Bentley, G. E. and Soma, K. K.
DOI: 10.1016/j.peptides.2013.05.007
2013Year-round territorial aggression is independent of plasma DHEA in the European nuthatch Sitta europaea
Hormones and Behavior
Landys, M.M. and Goymann, W. and Soma, K.K. and Slagsvold, T.
DOI: 10.1016/j.yhbeh.2012.10.002
2013Inhibition of Hippocampal Aromatization Impairs Spatial Memory Performance in a Male Songbird
Endocrinology
Bailey, D. J. and Ma, C. Q. and Soma, K. K. and Saldanha, C. J.
DOI: 10.1210/en.2013-1684
2013Sex Steroid Levels and AD-Like Pathology in 3xTgAD Mice
Journal of Neuroendocrinology
Overk, C. R. and Perez, S. E. and Ma, C. and Taves, M. D. and Soma, K. K. and Mufson, E. J.
DOI: 10.1111/j.1365-2826.2012.02374.x
2013Effects of water restriction on reproductive physiology and affiliative behavior in an opportunistically-breeding and monogamous songbird, the zebra finch
Hormones and Behavior
Prior, N. H. and Heimovics, S. A. and Soma, K. K.
DOI: 10.1016/j.yhbeh.2012.12.010
2013Corticosterone and fitness: effects of incubation temperature
Integrative and Comparative Biology
Wada, H. and Allen, N. R. and Kriengwatana, B. and Schmidt, K. L. and Soma, K. K. and Macdougall-Shackleton, S. A.
2013Stress in the wild: Chronic predator pressure and acute restraint affect plasma DHEA and corticosterone levels in a songbird
Stress-the International Journal on the Biology of Stress
Newman, A. E. M. and Zanette, L. Y. and Clinchy, M. and Goodenough, N. and Soma, K. K.
DOI: 10.3109/10253890.2012.723076
2013Fasting Increases Aggression and Differentially Modulates Local And Systemic Steroid Levels in Male Zebra Finches
Endocrinology
Fokidis, H. B. and Prior, N. H. and Soma, K. K.
DOI: 10.1210/en.2013-1171
2013Brain Aromatase and Territorial Aggression Across the Seasons in Male Song Sparrows
Brain Aromatase, Estrogens, and Behavior
DOI: 10.1093/acprof:oso/9780199841196.003.0011
10/2012Regulation of 3ß-HSD activity in the songbird brain
DOI: 10.1007/s10336-011-0808-9
08/2012Non-breeding feather concentrations of testosterone, corticosterone and cortisol are associated with subsequent survival in wild house sparrows
Proceedings of the Royal Society B: Biological Sciences
DOI: 10.1098/rspb.2011.2062
2012Rapid and widespread effects of 17ß-estradiol on intracellular signaling in the male songbird brain: a seasonal comparison
Endocrinology
DOI: 10.1210/en.2011-1525
2012Sample preparation and liquid chromatography-tandem mass spectrometry for multiple steroids in mammalian and avian circulation
PLoS ONE
DOI: 10.1371/journal.pone.0032496
2012Effects of Water Restriction on Zebra Finch Reproductive Physiology and Pair-maintenance Behavior
Integrative and Comparative Biology
Prior, N. H. and Heimovics, S. A. and Soma, K. K.
2012Soft song during aggressive interactions: Seasonal changes and endocrine correlates in song sparrows
Hormones and Behavior
DOI: 10.1016/j.yhbeh.2012.08.002
2012Aggressive interactions differentially modulate local and systemic levels of corticosterone and DHEA in a wild songbird
DOI: 10.1016/j.yhbeh.2011.07.007
09/2011DHEA and Aggression
DOI: 10.1201/b11019-40
07/2011Multiple measures elucidate glucocorticoid responses to environmental variation in predation threat
Oecologia
DOI: 10.1007/s00442-011-1915-2
2011Rapid effects of aggressive interactions on aromatase activity and oestradiol in discrete brain regions of wild male white-crowned sparrows
Journal of Neuroendocrinology
DOI: 10.1111/j.1365-2826.2011.02170.x
2011Extra-adrenal glucocorticoids and mineralocorticoids: Evidence for local synthesis, regulation, and function
American Journal of Physiology - Endocrinology and Metabolism
DOI: 10.1152/ajpendo.00100.2011
2011Measurement of Steroid Concentrations in Brain Tissue: Methodological Considerations
DOI: 10.3389/fendo.2011.00039
2011DHEA and estradiol levels in brain, gonads, adrenal glands, and plasma of developing male and female European starlings
Journal of Comparative Physiology A: Neuroethology, Sensory, Neural, and Behavioral Physiology
DOI: 10.1007/s00359-011-0655-4
2011Corticosterone and dehydroepiandrosterone have opposing effects on adult neuroplasticity in the avian song control system
Journal of Comparative Neurology
DOI: 10.1002/cne.22395
201017ß-Estradiol levels in male zebra finch brain: Combining Palkovits punch and an ultrasensitive radioimmunoassay
General and Comparative Endocrinology
DOI: 10.1016/j.ygcen.2010.02.002
2010Corticosterone and cortisol binding sites in plasma, immune organs and brain of developing zebra finches: Intracellular and membrane-associated receptors
Brain, Behavior, and Immunity
DOI: 10.1016/j.bbi.2010.02.008
2010Steroid concentrations in plasma, whole blood and brain: Effects of saline perfusion to remove blood contamination from brain
PLoS ONE
DOI: 10.1371/journal.pone.0015727
2010Elevated corticosterone levels in stomach milk, serum, and brain of male and female offspring after maternal corticosterone treatment in the rat
Developmental Neurobiology
DOI: 10.1002/dneu.20805
2010Aggressive interactions rapidly increase androgen synthesis in the brain during the non-breeding season
Hormones and Behavior
DOI: 10.1016/j.yhbeh.2010.01.008
20103ß-HSD in songbird brain: Subcellular localization and rapid regulation by estradiol
Journal of Neurochemistry
DOI: 10.1111/j.1471-4159.2010.06954.x
2010Corticosterone and dehydroepiandrosterone in songbird plasma and brain: Effects of season and acute stress
European Journal of Neuroscience
DOI: 10.1111/j.1460-9568.2009.06748.x
2009Effects of aggressive encounters on plasma corticosteroid-binding globulin and its ligands in white-crowned sparrows
Hormones and Behavior
DOI: 10.1016/j.yhbeh.2009.06.012
2009Aggressive encounters differentially affect serum dehydroepiandrosterone and testosterone concentrations in male Siberian hamsters (Phodopus sungorus)
Hormones and Behavior
DOI: 10.1016/j.yhbeh.2009.07.004
2009Cortisol and corticosterone in immune organs and brain of European starlings: Developmental changes, effects of restraint stress, comparison with zebra finches
American Journal of Physiology - Regulatory Integrative and Comparative Physiology
DOI: 10.1152/ajpregu.90964.2008
2009Novel mechanisms for neuroendocrine regulation of aggression
DOI: 10.1016/j.yfrne.2007.12.003
10/2008Neuroprogesterone: Key to estrogen positive feedback?
DOI: 10.1016/j.brainresrev.2007.06.009
03/20083ß-HSD activates DHEA in the songbird brain
DOI: 10.1016/j.neuint.2007.05.003
03/2008Analysis of steroids in songbird plasma and brain by coupling solid phase extraction to radioimmunoassay
General and Comparative Endocrinology
DOI: 10.1016/j.ygcen.2007.08.007
2008Sex differences in DHEA and estradiol during development in a wild songbird: Jugular versus brachial plasma
Hormones and Behavior
DOI: 10.1016/j.yhbeh.2008.02.014
2008Plasma DHEA levels in wild, territorial red squirrels: Seasonal variation and effect of ACTH
General and Comparative Endocrinology
DOI: 10.1016/j.ygcen.2008.05.004
2008Cortisol and corticosterone in the songbird immune and nervous systems: Local vs. systemic levels during development
American Journal of Physiology - Regulatory Integrative and Comparative Physiology
DOI: 10.1152/ajpregu.00002.2008
2008Rapid estrogen regulation of DHEA metabolism in the male and female songbird brain
Journal of Neurochemistry
DOI: 10.1111/j.1471-4159.2007.04953.x
2008Dehydroepiandrosterone and corticosterone are regulated by season and acute stress in a wild songbird: Jugular versus brachial plasma
Endocrinology
DOI: 10.1210/en.2007-1363
2008Neurosteroids, immunosteroids, and the Balkanization of endocrinology
General and Comparative Endocrinology
DOI: 10.1016/j.ygcen.2008.03.025
2008Effects of blood collection on wild birds: An update
Journal of Avian Biology
DOI: 10.1111/j.0908-8857.2008.04295.x
2008Novel mechanisms underlying neuroendocrine regulation of aggression: A synthesis of rodent, avian, and primate studies
Handbook of Neurochemistry and Molecular Neurobiology: Behavioral Neurochemistry, Neuroendocrinology and Molecular Neurobiology
DOI: 10.1007/978-0-387-30405-2_8
2007Testosterone and aggression: Berthold, birds and beyond
Journal of Neuroendocrinology
DOI: 10.1111/j.1365-2826.2006.01445.x
2006Recent advances in behavioral neuroendocrinology: Insights from studies on birds
DOI: 10.1016/j.yhbeh.2005.04.005
11/2005Neural responses to aggressive challenge correlate with behavior in nonbreeding sparrows
DOI: 10.1097/01.wnr.0000183898.47160.15
10/2005Cross-modal integration in a dart-poison frog
Proceedings of the National Academy of Sciences of the United States of America
DOI: 10.1073/pnas.0406407102
2005Neurosteroids and female reproduction: Estrogen increases 3ß-HSD mRNA and activity in rat hypothalamus
Endocrinology
DOI: 10.1210/en.2005-0569
2005Territorial aggression and hormones during the non-breeding season in a tropical bird
DOI: 10.1016/j.yhbeh.2003.08.002
01/2004Dehydroepiandrosterone metabolism by 3ß-hydroxysteroid dehydrogenase/¿5-¿4 isomerase in adult zebra finch brain: Sex difference and rapid effect of stress
Endocrinology
DOI: 10.1210/en.2003-0883
2004Estrogen Contributes to Seasonal Plasticity of the Adult Avian Song Control System
Journal of Neurobiology
DOI: 10.1002/neu.10288
2004Brain aromatase, 5a-reductase, and 5ß-reductase change seasonally in wild male song sparrows: Relationship to aggressive and sexual behavior
Journal of Neurobiology
DOI: 10.1002/neu.10225
2003Dehydroepiandrosterone (DHEA) increases territorial song and the size of an associated brain region in a male songbird
Hormones and Behavior
DOI: 10.1006/hbeh.2001.1750
2002Spring and autumn territoriality in song sparrows: Same behavior, different mechanisms?
Integrative and Comparative Biology
DOI: 10.1093/icb/42.1.11
2002Dehydroepiandrosterone in Songbird Plasma: Seasonal Regulation and Relationship to Territorial Aggression
DOI: 10.1006/gcen.2001.7657
08/2001Neurosteroids and brain sexual differentiation
DOI: 10.1016/S0166-2236(00)01855-5
08/2001Advances in Avian Behavioral Endocrinology
DOI: 10.2307/4089791
04/2001Avoiding the 'costs' of testosterone: Ecological bases of hormone-behavior interactions
Brain, Behavior and Evolution
DOI: 10.1159/000047243
2001Hippocampal volume does not change seasonally in a non food-storing songbird
NeuroReport
2001Testosterone and Year-Round Territorial Aggression in a Tropical Bird
DOI: 10.1006/gcen.1999.7390
01/2000Acute and chronic effects of an aromatase inhibitor on territorial aggression in breeding and nonbreeding male song sparrows
Journal of Comparative Physiology - A Sensory, Neural, and Behavioral Physiology
DOI: 10.1007/s003590000129
2000Oestrogen regulates male aggression in the non-breeding season
Proceedings of the Royal Society B: Biological Sciences
2000Combined Aromatase Inhibitor and Antiandrogen Treatment Decreases Territorial Aggression in a Wild Songbird during the Nonbreeding Season
DOI: 10.1006/gcen.1999.7334
09/1999Androgen-metabolizing enzymes show region-specific changes across the breeding season in the brain of a wild songbird
Journal of Neurobiology
DOI: 10.1002/(SICI)1097-4695(19991105)41:23.0.CO;2-2
1999Testosterone, aggresssion, and communication: Ecological bases of endocrine phenomena
Design of Animal Communication
Wingfield, J. C. and Jacobs, J. D. and Soma, K. and Maney, D. L. and Hunt, K. and Wisti-Peterson, D. and Meddle, S. and Ramenofsky, M. and Sullivan, K.
1999Seasonal changes in androgen receptor immunoreactivity in the song nucleus HVc of a wild bird
Journal of Comparative Neurology
DOI: 10.1002/(SICI)1096-9861(19990628)409:23.0.CO;2-V
1999The hypothalamus and adrenal regulate modulation of corticosterone release in redpolls (Carduelis flammea - An arctic-breeding song bird)
General and Comparative Endocrinology
DOI: 10.1006/gcen.1997.7048
1998Hypothalamic-pituitary-adrenal axis changes allow seasonal modulation of corticosterone in a bird
American Journal of Physiology - Regulatory Integrative and Comparative Physiology
1998Hormones and territorial behavior during breeding in snow buntings (Plectrophenax nivalis): An arctic-breeding songbird
Hormones and Behavior
DOI: 10.1006/hbeh.1997.1432
1998Changes in pituitary and adrenal sensitivities allow the snow bunting (Plectrophenax nivalis), an Arctic-breeding song bird, to modulate corticosterone release seasonally
Journal of Comparative Physiology - B Biochemical, Systemic, and Environmental Physiology
DOI: 10.1007/s003600050154
1998Territorial behavior, hormonal changes, and body condition in an arctic-breeding song bird, the redpoll (carduelis flammea)
Behaviour
1997Androgen regulation of hypothalamic neurons containing gonadotropin-releasing hormone in a cichlid fish: Integration with social cues
Hormones and Behavior
DOI: 10.1006/hbeh.1996.0026
1996Social regulation of the brain-pituitary-gonadal axis
Proceedings of the National Academy of Sciences of the United States of America
1993SOCIAL REGULATION OF THE BRAIN PITUITARY-GONADAL AXIS
Proceedings of the National Academy of Sciences of the United States of America
Francis, R. C. and Soma, K. and Fernald, R. D.
DOI: 10.1073/pnas.90.16.7794
1993 - Research
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Grants
CIHR Operating Grant
NSERC Discovery Grant
CFI Leaders Fund
Honours & AwardsCIHR New Investigator (2004-2009), MSFHR Scholar (2004-2009)
AAAS Fellow (2015)
Congratulations CIHR Project Grant Recipients!
Congratulations to the BC Children's and BC Women's investigators who were awarded funding through the highly competitive Canadian Institutes of Health Research (CIHR) Project Grant Fall 2019 competition.
