Laboratory of Circadian and Sleep Medicine

Publications

2015

Loh DH, Jami SA, Flores RE, Truong D, Ghiani CA, O’Dell TJ, Colwell CS. Misaligned feeding impairs memories. eLife. 2015 Dec; 10.7554/eLife.09460.
Qian J, Yeh B, Rakshit K, Colwell CS, Matveyenko AV. Circadian Disruption and Diet-Induced Obesity Synergize to Promote Development of ß-Cell Failure and Diabetes in Male Rats. Endocrinology. 2015 Dec;156(12):4426-36. PMID: 26348474
Kudo T, Block GD, Colwell CS. The Circadian Clock Gene Period1 Connects the Molecular Clock to Neural Activity in the Suprachiasmatic Nucleus. ASN Neuro 2015 Nov 9;7(6). pii: 1759091415610761. PMID: 26553726
Kim YS, Kim YB, Kim WB, Yoon BE, Shen FY, Lee SW, Soong TW, Han HC, Colwell CS, Lee CJ, Kim YI. Histamine resets the circadian clock in the suprachiasmatic nucleus through the H1R-CaV 1.3-RyR pathway in the mouse. Eur J Neurosci. 2015 Oct;42(7):2467-77. PMID: 26215659
Rakshit K, Qian J, Colwell CS, Matveyenko AV. The islet circadian clock: entrainment mechanisms, function and role in glucose homeostasis. Diabetes Obes Metab. 2015 Sep;17 Suppl 1:115-22. PMID: 26332976
Chen X, Wang L, Loh DH, Colwell CS, Taché Y, Reue K, Arnold AP. Sex differences in diurnal rhythms of food intake in mice caused by gonadal hormones and complement of sex chromosomes. Horm Behav. 2015 Sep;75:55-63. PMID: 26226656
Nakamura TJ, Nakamura W, Tokuda IT, Ishikawa T, Kudo T, Colwell CS, Block GD. Age-Related Changes in the Circadian System Unmasked by Constant Conditions. eNeuro. 2015 Sep 22;2(4). pii: ENEURO.0064-15.2015. PMID: 26464996
Vosko A, van Diepen HC, Kuljis D, Chiu AM, Heyer D, Terra H, Carpenter E, Michel S, Meijer JH, Colwell CS. Role of vasoactive intestinal peptide in the light input to the circadian system. Eur J Neurosci. 2015 Jul;42(2):1839-48. PMID: 25885685
Lee SW, Kim YB, Kim JS, Kim WB, Kim YS, Han HC, Colwell CS, Cho YW, In Kim Y. GABAergic inhibition is weakened or converted into excitation in the oxytocin and vasopressin neurons of the lactating rat. Mol Brain. 2015 May 28;8:34. PMID: 26017151
Li Q, Loh DH, Kudo T, Truong D, Derakhshesh M, Kaswan ZM, Ghiani CA, Tsoa R, Cheng Y, Sun YE, Colwell CS. Circadian rhythm disruption in a mouse model of Rett syndrome. Neurobiol Dis. 2015 Mar 14;77:155-164. PMID: 25779967
Loh DH, Kudo T, Colwell CS. Short circuiting the circadian system with a new generation of precision tools. Neuron 2015 Mar 4;85(5):895-8. PMID: 25741718
Ago Y, Condro MC, Tan YV, Ghiani CA, Colwell CS, Cushman JD, Fanselow MS, Hashimoto H, Waschek JA. Reductions in synaptic proteins and selective alteration of prepulse inhibition in male C57BL/6 mice after postnatal administration of a VIP receptor (VIPR2) agonist. Psychopharmacology 2015 Jan 11. PMID: 25575489

2014

Loh DH, Kuljis DA, Azuma L, Wu Y, Truong D, Wang HB, Colwell CS. Disrupted reproduction, estrous cycle, and circadian rhythms in female mice deficient in vasoactive intestinal peptide. J Biol Rhythms. 2014 Oct;29(5):355-69. PMID: 25252712
Colwell CS, Matveyenko AV. Timing is everything: implications for metabolic consequences of sleep restriction. Diabetes. 2014 Jun;63(6):1826-8. PMID: 24853892
Kudo T, Loh DH, Tahara Y, Truong D, Hernández-Echeagaray E, Colwell CS. Circadian dysfunction in response to in vivo treatment with the mitochondrial toxin 3-nitropropionic acid. ASN Neuro. 2014 Jan 13;6(1):e00133. PMID: 24328694

2013

Schroeder AM, Colwell CS. How to fix a broken clock. Trends Pharmacol Sci. 2013 Nov;34(11):605-19. PMID: 24120229
Kim YB, Kim YS, Kim WB, Shen FY, Lee SW, Chung HJ, Kim JS, Han HC, Colwell CS, Kim YI. GABAergic excitation of vasopressin neurons: possible mechanism underlying sodium-dependent hypertension. Circ Res. 2013 Dec 6;113(12):1296-307. PMID: 24103391
Loh DH, Kudo T, Truong D, Wu Y, Colwell CS. The Q175 mouse model of Huntington's disease shows gene dosage- and age-related decline in circadian rhythms of activity and sleep. PLoS One. 2013 Jul 30;8(7):e69993. PMID: 23936129
Qian J, Block GD, Colwell CS, Matveyenko AV. Consequences of exposure to light at night on the pancreatic islet circadian clock and function in rats. Diabetes. 2013 Oct;62(10):3469-78. PMID: 23775768
Kudo T, Tahara Y, Gamble KL, McMahon DG, Block GD, Colwell CS. Vasoactive intestinal peptide produces long-lasting changes in neural activity in the suprachiasmatic nucleus. J Neurophysiol. 2013 Sep;110(5):1097-106. PMID: 23741043
Kuljis DA, Loh DH, Truong D, Vosko AM, Ong ML, McClusky R, Arnold AP, Colwell CS. Gonadal- and sex-chromosome-dependent sex differences in the circadian system. Endocrinology 2013 Apr;154(4):1501-12. PMID: 23439698
Willison LD, Kudo T, Loh DH, Kuljis D, Colwell CS. Circadian dysfunction may be a key component of the non-motor symptoms of Parkinson's disease: insights from a transgenic mouse model. Exp Neurol. 2013 May;243:57-66. PMID: 23353924
Michel S, Marek R, Vanderleest HT, Vansteensel MJ, Schwartz WJ, Colwell CS, Meijer JH. Mechanism of bilateral communication in the suprachiasmatic nucleus. Eur J Neurosci. 2013 Mar;37(6):964-71. PMID: 23311402

2012

Kuljis D, Schroeder AM, Kudo T, Loh DH, Willison DL, Colwell CS. Sleep and circadian dysfunction in neurodegenerative disorders: insights from a mouse model of Huntington's disease. Minerva Pneumol. PMID: 23687390
Schroeder AM, Truong D, Loh DH, Jordan MC, Roos KP, Colwell CS. Voluntary scheduled exercise alters diurnal rhythms of behaviour, physiology and gene expression in wild-type and vasoactive intestinal peptide-deficient mice. J Physiol. 2012 Dec 1;590(Pt 23):6213-26. PMID: 22988135
Meijer JH, Colwell CS, Rohling JH, Houben T, Michel S. Dynamic neuronal network organization of the circadian clock and possible deterioration in disease. Prog Brain Res. 2012;199:143-62. PMID: 22877664
Lucassen EA, van Diepen HC, Houben T, Michel S, Colwell CS, Meijer JH. Role of vasoactive intestinal peptide in seasonal encoding by the suprachiasmatic nucleus clock. Eur J Neurosci. 2012 May;35(9):1466-74. PMID: 22512278

2011

Schroeder AM, Loh DH, Jordan MC, Roos KP, Colwell CS. Baroreceptor reflex dysfunction in the BACHD mouse model of Huntington's disease. PLoS Curr. 2011 Nov 4;3:RRN1266. PMID: 22069044.
Gale JE, Cox HI, Qian J, Block GD, Colwell CS, Matveyenko AV. Disruption of circadian rhythms accelerates development of diabetes through pancreatic beta-cell loss and dysfunction. J Biol Rhythms. 2011 Oct;26(5):423-33. PMID: 21921296
Kim JS, Kim WB, Kim YB, Lee Y, Kim YS, Shen FY, Lee SW, Park D, Choi HJ, Hur J, Park JJ, Han HC, Colwell CS, Cho YW, Kim YI. Chronic hyperosmotic stress converts GABAergic inhibition into excitation in vasopressin and oxytocin neurons in the rat. J Neurosci. 2011 Sep 14;31(37):13312-22. PMID: 21917814
Fulton D, Paez P, Spreur V, Handley V, Colwell CS, Campagnoni A, Fisher R. Developmental activation of the proteolipid protein promoter transgene in neuronal and oligodendroglial cells of neostriatum in mice. Dev Neurosci. 2011;33(2):170-84. Epub 2011 Sep 1. PMID: 21912090
Colwell CS. Linking neural activity and molecular oscillations in the SCN. Nat Rev Neurosci. 2011 Sep 2;12(10):553-69. PMID: 21886186
Kudo T, Loh DH, Truong D, Wu Y, Colwell CS. Circadian dysfunction in a mouse model of Parkinson's disease. Exp Neurol. 2011 Nov;232(1):66-75. Epub 2011 Aug 16. PMID: 21864527
Nakamura TJ, Nakamura W, Yamazaki S, Kudo T, Cutler T, Colwell CS, Block GD. Age-related decline in circadian output. J Neurosci. 2011 Jul 13;31(28):10201-5. PMID: 21752996
Atkinson SE, Maywood ES, Chesham JE, Wozny C, Colwell CS, Hastings MH, Williams SR. Cyclic AMP signaling control of action potential firing rate and molecular circadian pacemaking in the suprachiasmatic nucleus. J Biol Rhythms. 2011 Jun;26(3):210-20. PMID: 21628548
Loh DH, Dragich JM, Kudo T, Schroeder AM, Nakamura TJ, Waschek JA, Block GD, Colwell CS. Effects of vasoactive intestinal peptide genotype on circadian gene expression in the suprachiasmatic nucleus and peripheral organs. J Biol Rhythms. 2011 Jun;26(3):200-9. PMID: 21628547
Colwell CS. Sleepy neurons? Nature. 2011 Apr 28;472(7344):427-8. PMID: 21525924
Gamble KL, Kudo T, Colwell CS, McMahon DG. Gastrin-releasing peptide modulates fast delayed rectifier potassium current in Per1-expressing SCN neurons. J Biol Rhythms. 2011 Apr;26(2):99-106. PMID: 21454290
Kudo T, Loh DH, Kuljis DK, Constance C, Colwell CS. Fast delayed rectifier potassium current: critical for input and output of the circadian system. J Neurosci 2011 Feb 23;31(8):2746-55. PMID: 21414897
Mengatto CM, Mussano F, Honda Y, Colwell CS, Nishimura I. Circadian rhythm and cartilage extracellular matrix genes in osseointegration: a genome-wide screening of implant failure by vitamin D deficiency. PLoS One. 2011 Jan 11;6(1):e15848. PMID: 21264318
Hu WP, Li JD, Colwell CS, Zhou QY. Decreased REM sleep and altered circadian sleep regulation in mice lacking vasoactive intestinal polypeptide. Sleep. 2011 Jan 1;34(1):49-56. PMID: 21203371
Kudo T, Schroeder A, Loh DH, Kuljis D, Jordan MC, Roos KP, Colwell CS. Dysfunctions in circadian behavior and physiology in mouse models of Huntington's disease. Exp Neurol.2011 Mar;228(1):80-90. Epub 2010 Dec 22. PMID: 21184755.
Schroeder A, Loh DH, Jordan MC, Roos KP, Colwell CS. Circadian Regulation of Cardiovascular Function: a role for vasoactive intestinal peptide. Am J Physiol Heart Circ Physiol. 2011 Jan;300(1):H241-50. Epub 2010 Oct 15. PMID: 20952671.

2010

Loh DH, Navarro J, Hagopian A, Wang LM, Deboer T, Colwell CS. Rapid changes in the light/dark cycle disrupt memory of conditioned fear in mice. PLoS One 2010 Sep 2;5(9). pii: e12546. PMID: 20824058.
Fulton D, Paez PM, Fisher R, Handley V, Colwell CS, Campagnoni AT.Regulation of L-type Ca++ currents and process morphology in white matter oligodendrocyte precursor cells by golli-myelin proteins. Glia 2010 Aug 15;58(11):1292-303. PMID: 20607717.
Colwell CS. Preventing dehydration during sleep. Nat Neurosci. 2010 Apr;13(4):403-4. PMID: 20348935.
Dragich JM, Loh DH, Wang LM, Vosko AM, Kudo T, Nakamura TJ, Odom IH, Tateyama S, Hagopian A, Waschek JA, Colwell CS. The role of the neuropeptides PACAP and VIP in the photic regulation of gene expression in the suprachiasmatic nucleus. Eur J Neurosci. 2010 Mar;31(5):864-75. Epub 2010 Feb 17. PMID: 20180841.
Nakamura TJ, Sellix MT, Kudo T, Nakao N, Yoshimura T, Ebihara S, Colwell CS, Block GD. Influence of the estrous cycle on clock gene expression in reproductive tissues: effects of fluctuating ovarian steroid hormone levels. Steroids 2010 Mar;75(3):203-12. Epub 2010 Jan 22. PMID: 20096720.
Itri JN, Vosko AM, Schroeder A, Dragich JM, Michel S, Colwell CS. Circadian regulation of A-type potassium currents in the suprachiasmatic nucleus. J Neurophysiol. 2010 Feb;103(2):632-40. Epub 2009 Nov 25. PMID: 19939959.
Vosko A, Colwell CS, Avidan, A. Jet Lag Syndrome: Pathophysiology, Clinical Features and Management Strategies. Nature and Science of Sleep. Dove Medical Press. 2010. 2: 1-12.

2009

Wang LM, Dragich JM, Kudo T, Odom IH, Welsh DK, O'Dell TJ, Colwell CS. Expression of the circadian clock gene Period2 in the hippocampus: possible implications for synaptic plasticity and learned behaviour. ASN Neuro. 2009 Jun 10;1(3). PMID: 19570032.
Paez PM, Fulton DJ, Spreuer V, Handley V, Campagnoni CW, Macklin WB, Colwell C, Campagnoni AT. Golli myelin basic proteins regulate oligodendroglial progenitor cell migration through voltage-gated Ca2+ influx. J Neurosci. 2009 May 20;29(20):6663-76. PMID: 19458236.
Ciarleglio CM, Gamble KL, Axley JC, Strauss BR, Cohen JY, Colwell CS, McMahon DG. Population encoding by circadian clock neurons organizes circadian behavior. J Neurosci. 2009 Feb 11;29(6):1670-6. PMID: 19211874.

2008

Paez PM, Fulton D, Colwell CS, Campagnoni AT. Voltage-operated Ca(2+) and Na(+) channels in the oligodendrocyte lineage. J Neurosci Res. 2008 Nov 19. [Epub ahead of print] PMID: 19021296.
Chaudhury D, Loh DH, Dragich JM, Hagopian A, Colwell CS. Select cognitive deficits in Vasoactive Intestinal Peptide deficient mice. BMC Neurosci. 2008 Jul 10;9(1):63. PMID: 18616823.
Loh DH, Abad C, Colwell CS, Waschek JA. Vasoactive Intestinal Peptide Is Critical for Circadian Regulation of Glucocorticoids. Neuroendocrinology. 2008 Jun 19. [Epub ahead of print] PMID: 18562786
Choi HJ, Lee CJ, Schroeder A, Kim YS, Jung SH, Kim JS, Kim do Y, Son EJ, Han HC, Hong SK, Colwell CS, Kim YI. Excitatory actions of GABA in the suprachiasmatic nucleus. J Neurosci. 2008 May 21;28(21):5450-9. PMID: 18495878
Wang LM, Schroeder A, Loh D, Smith D, Lin K, Han JH, Michel S, Hummer DL, Ehlen JC, Albers HE, Colwell CS. Role for the NR2B subunit of the N-methyl-D-aspartate receptor in mediating light input to the circadian system. Eur J Neurosci. 2008 Apr;27(7):1771-9. PMID: 18380671

2007

Brown TM, Colwell CS, Waschek JA, Piggins HD. Disrupted neuronal activity rhythms in the suprachiasmatic nuclei of vasoactive intestinal polypeptide-deficient mice. J Neurophysiol. 2007 Mar;97(3):2553-8. PMID: 17151217
Vosko AM, Schroeder A, Loh DH, Colwell CS. Vasoactive intestinal peptide and the mammalian circadian system. Gen Comp Endocrinol. 2007 Jun-Jul;152(2-3):165-75. PMID: 17572414
Colwell CS. Soporific signaling: how flies sleep through the night. Nat Neurosci. 2007 Sep;10(9):1079-80.

2006

Kim YI, Choi HJ, Colwell CS. Brain-derived neurotrophic factor regulation of N-methyl-D-aspartate receptor-mediated synaptic currents in suprachiasmatic nucleus neurons. J Neurosci Res. 2006 Nov 15;84(7):1512-20. PMID: 16983663
Michel S, Clark JP, Ding JM, Colwell CS. Brain-derived neurotrophic factor and neurotrophin receptors modulate glutamate-induced phase shifts of the suprachiasmatic nucleus. Eur J Neurosci. 2006 Aug;24(4):1109-16. PMID: 16930436
Colwell CS. BK channels and circadian output. Nat Neurosci. 2006 Aug;9(8):985-6.
Feng JM, Hu YK, Xie LH, Colwell CS, Shao XM, Sun XP, Chen B, Tang H, Campagnoni AT. Golli protein negatively regulates store depletion-induced calcium influx in T cells. Immunity. 2006 Jun;24(6):717-27. PMID: 16782028
Michel S, Itri J, Han JH, Gniotczynski K, Colwell CS. Regulation of glutamatergic signalling by PACAP in the mammalian suprachiasmatic nucleus. BMC Neurosci. 2006 Feb 16;7:15. PMID: 16483357

2005

Wang LM, Suthana NA, Chaudhury D, Weaver DR, Colwell CS. Melatonin inhibits hippocampal long-term potentiation. Eur J Neurosci. 2005 Nov;22(9):2231-7. PMID: 16262661
Itri JN, Michel S, Vansteensel MJ, Meijer JH, Colwell CS. Fast delayed rectifier potassium current is required for circadian neural activity. Nat Neurosci. 2005 May;8(5):650-6. PMID: 15852012
Chaudhury D, Wang LM, Colwell CS. Circadian regulation of hippocampal long-term potentiation. J Biol Rhythms. 2005 Jun;20(3):225-36. PMID: 15851529
Aton SJ, Colwell CS, Harmar AJ, Waschek J, Herzog ED. Vasoactive intestinal polypeptide mediates circadian rhythmicity and synchrony in mammalian clock neurons. Nat Neurosci. 2005 Apr;8(4):476-83. PMID: 15750589
Jacobs EC, Pribyl TM, Feng JM, Kampf K, Spreur V, Campagnoni C, Colwell CS, Reyes SD, Martin M, Handley V, Hiltner TD, Readhead C, Jacobs RE, Messing A, Fisher RS, Campagnoni AT. Region-specific myelin pathology in mice lacking the golli products of the myelin basic protein gene. J Neurosci. 2005 Jul 27;25(30):7004-13. PMID: 16049176
Colwell CS. Bridging the gap: coupling single-cell oscillators in the suprachiasmatic nucleus. Nat Neurosci. 2005 Jan;8(1):10-2.

2004

Colwell CS, Michel S, Itri J, Rodriguez W, Tam J, Lelievre V, Hu Z, Waschek JA. Selective deficits in the circadian light response in mice lacking PACAP. Am J Physiol Regul Integr Comp Physiol. 2004 Nov;287(5):R1194-201. PMID: 15217792
Itri J, Michel S, Waschek JA, Colwell CS. Circadian rhythm in inhibitory synaptic transmission in the mouse suprachiasmatic nucleus. J Neurophysiol. 2004 Jul;92(1):311-9. PMID: 14973316

2003

Colwell CS, Michel S, Itri J, Rodriguez W, Tam J, Lelievre V, Hu Z, Liu X, Waschek JA. Disrupted circadian rhythms in VIP- and PHI-deficient mice. Am J Physiol Regul Integr Comp Physiol. 2003 Nov;285(5):R939-49. PMID: 12855416
Itri J, Colwell CS. Regulation of inhibitory synaptic transmission by vasoactive intestinal peptide (VIP) in the mouse suprachiasmatic nucleus. J Neurophysiol. 2003 Sep;90(3):1589-97. PMID: 12966176
Colwell CS, Michel S. Sleep and circadian rhythms: do sleep centers talk back to the clock? Nat Neurosci. 2003 Oct;6(10):1005-6.

2002

Michel S, Itri J, Colwell CS. Excitatory mechanisms in the suprachiasmatic nucleus: the role of AMPA/KA glutamate receptors. J Neurophysiol. 2002 Aug;88(2):817-28. PMID: 12163533
Chaudhury D, Colwell CS. Circadian modulation of learning and memory in fear-conditioned mice. Behav Brain Res. 2002 Jun 15;133(1):95-108. PMID: 12048177

2001

Colwell CS. NMDA-evoked calcium transients and currents in the suprachiasmatic nucleus: gating by the circadian system. Eur J Neurosci. 2001 Apr;13(7):1420-8. PMID: 11298803
Michel S, Colwell CS. Cellular communication and coupling within the suprachiasmatic nucleus. Chronobiol Int. 2001 Jul;18(4):579-600. PMID: 11587083

2000

Colwell CS. Rhythmic coupling among cells in the suprachiasmatic nucleus. J Neurobiol. 2000 Jun 15;43(4):379-88. PMID: 10861563
Colwell CS. Circadian modulation of calcium levels in cells in the suprachiasmatic nucleus. Eur J Neurosci. 2000 Feb;12(2):571-6. PMID: 10712636

1999

Flett J, Colwell CS. Serotonin modulation of calcium transients in cells in the suprachiasmatic nucleus. J Biol Rhythms. 1999 Oct;14(5):354-63. PMID: 10511003
Colwell CS, Levine MS. Metabotropic glutamate receptor modulation of excitotoxicity in the neostriatum: role of calcium channels. Brain Res. 1999 Jul 3;833(2):234-41. PMID: 10375699

1998

Cepeda C, Colwell CS, Itri JN, Gruen E, Levine MS. Dopaminergic modulation of early signs of excitotoxicity in visualized rat neostriatal neurons. Eur J Neurosci. 1998 Nov;10(11):3491-7. PMID: 9824462
Colwell CS, Cepeda C, Crawford C, Levine MS. Postnatal development of glutamate receptor-mediated responses in the neostriatum. Dev Neurosci. 1998;20(2-3):154-63. PMID: 9691190
Cepeda C, Colwell CS, Itri JN, Chandler SH, Levine MS. Dopaminergic modulation of NMDA-induced whole cell currents in neostriatal neurons in slices: contribution of calcium conductances. J Neurophysiol. 1998 Jan;79(1):82-94. PMID: 9425179

1997

Colwell CS, Levine MS. Histamine modulates NMDA-dependent swelling in the neostriatum. Brain Res. 1997 Aug 22;766(1-2):205-12. PMID: 9359604
Colwell CS. Circadian rhythms. Time to get excited by GABA. Nature. 1997 Jun 5;387(6633):554-5.PMID: 9177335

1996

Colwell CS, Altemus KL, Levine MS. Metabotropic glutamate receptor activation selectively limits excitotoxic damage in the intact neostriatum. Brain Res. 1996 Jul 8;726(1-2):223-6. PMID: 8836564
Colwell CS, Levine MS. Glutamate receptor-induced toxicity in neostriatal cells. Brain Res. 1996 Jun 17;724(2):205-12. PMID: 8828570
Colwell CS, Altemus KL, Cepeda C, Levine MS. Regulation of N-methyl-D-aspartate-induced toxicity in the neostriatum: a role for metabotropic glutamate receptors? Proc Natl Acad Sci U S A. 1996 Feb 6;93(3):1200-4. PMID: 8577740

1995

Colwell CS, Levine MS. Excitatory synaptic transmission in neostriatal neurons: regulation by cyclic AMP-dependent mechanisms. J Neurosci. 1995 Mar;15(3 Pt 1):1704-13. PMID: 7891129
Colwell CS, Menaker M. (1995) Regulation of circadian rhythms by excitatory amino acids. In: Excitatory amino acids: Their Role in Neuroendocrine Function. DW Brann, VB Mahesh (eds), CRC Press, pp. 223-252.
Colwell CS. (1995) Regulation of Photic Input to Circadian Systems: a role for serotonin. In: Nervous systems and Behaviour. M Burrows, T. Matheson, PL Newland, H. Schuppe (eds), Thieme Medical Publishers, pp. 131.

1994

Colwell CS, Whitmore D, Michel S, Block GD. Calcium plays a central role in phase shifting the ocular circadian pacemaker of Aplysia. J Comp Physiol [A]. 1994 Oct;175(4):415-23. PMID: 7965916
Colwell CS, Levine MS. Metabotropic glutamate receptors modulate N-methyl-D-aspartate receptor function in neostriatal neurons. Neuroscience. 1994 Aug;61(3):497-507. PMID: 7969926
Rea MA, Glass JD, Colwell CS. Serotonin modulates photic responses in the hamster suprachiasmatic nuclei. J Neurosci. 1994 Jun;14(6):3635-42. PMID: 8207478

1993

Colwell CS, Kaufman CM, Menaker M. Photic induction of Fos in the hamster suprachiasmatic nucleus is inhibited by baclofen but not by diazepam or bicucullin. Neurosci Lett. 1993 Dec 12;163(2):177-81. PMID: 8309627
Colwell CS, Kaufman CM, Menaker M, Ralph MR. Light-induced phase shifts and Fos expression in the hamster circadian system: the effects of anesthetics. J Biol Rhythms. 1993 Fall;8(3):179-88. PMID: 8280907
Colwell CS, Kaufman CM, Menaker M. Phase-shifting mechanisms in the mammalian circadian system: new light on the carbachol paradox. J Neurosci. 1993 Apr;13(4):1454-9. PMID: 7681871
Foster RG, Argamaso S, Coleman S, Colwell CS, Lederman A, Provencio I. Photoreceptors regulating circadian behavior: a mouse model. J Biol Rhythms. 1993;8 Suppl:S17-23. PMID: 8274758

1992

Colwell CS, Michel S, Block GD. Evidence that potassium channels mediate the effects of serotonin on the ocular circadian pacemaker of Aplysia. J Comp Physiol [A]. 1992 Dec;171(5):651-6. PMID: 1337358
Colwell CS, Foster RG. Photic regulation of Fos-like immunoreactivity in the suprachiasmatic nucleus of the mouse. J Comp Neurol. 1992 Oct 8;324(2):135-42. PMID: 1430326
Colwell CS, Menaker M. NMDA as well as non-NMDA receptor antagonists can prevent the phase-shifting effects of light on the circadian system of the golden hamster. J Biol Rhythms. 1992 Summer;7(2):125-36. PMID: 1611128
Colwell CS, Khalsa SB, Block GD. Cellular mechanisms of entrainment. Chronobiol Int. 1992 Jun;9(3):163-79. PMID: 1611673
Colwell CS, Khalsa SB, Block GD. FMRFamide modulates the action of phase shifting agents on the ocular circadian pacemakers of Aplysia and Bulla. J Comp Physiol [A]. 1992 Feb;170(2):211-5. PMID: 1583606

1991

Colwell CS, Foster RG, Menaker M. NMDA receptor antagonists block the effects of light on circadian behavior in the mouse. Brain Res. 1991 Jul 19;554(1-2):105-10. PMID: 1834303
Colwell CS, Max M, Hudson D, Menaker M. Excitatory amino acid receptors may mediate the effects of light on the reproductive system of the golden hamster. Biol Reprod. 1991 Apr;44(4):604-8. PMID: 1646038

1990 and before

Colwell CS. Light and serotonin interact in affecting the circadian system of Aplysia. J Comp Physiol [A]. 1990 Dec;167(6):841-5. PMID: 2086792
Colwell CS, Ralph MR, Menaker M. Do NMDA receptors mediate the effects of light on circadian behavior? Brain Res. 1990 Jul 16;523(1):117-20. PMID: 2145056
Colwell CS, Page TL. A circadian rhythm in neural activity can be recorded from the central nervous system of the cockroach. J Comp Physiol [A]. 1990 Mar;166(5):643-9. PMID: 2341989
Colwell CS, Page TL. The electroretinogram of the cockroach Leucophaea maderae. Comp Biochem Physiol A. 1989;92(1):117-23. PMID: 2567651
Wills SA, Page TL, Colwell CS. Circadian rhythms in the electroretinogram of the cockroach. J Biol Rhythms. 1985;1(1):25-37. PMID: 2979573