Neuronal excitability in the periaqueductal grey matter during the estrous cycle in female Wistar rats

Acosta, 2001, A possible interaction between CCKergic and GABAergic systems in the rat brain, Comp Biochem Physiol C Toxicol Pharmacol, 128, 11, 10.1016/S1532-0456(00)00175-7 Bertoglio, 2005, Involvement of dorsolateral periaqueductal gray cholecystokinin-2 receptors in regulation of a panic-related behavior in rats, Brain Res, 1059, 46, 10.1016/j.brainres.2005.08.006 Brack, 2004, Decreased levels of GABAergic tone in the periaqueductal grey matter during late dioestrus correlate with increased expression of α4, β1 and δ GABAA receptor subunits on GABAergic neurones, J Physiol, 360P, C28 Brack, 2006, Cardiorespiratory responses to a panicogenic agent in female Wistar rats at different stages of the oestrous cycle, Eur J Neurosci, 23, 3309, 10.1111/j.1460-9568.2006.04881.x Brack, 2004, Changes in GABAergic inhibitory tone within the periaqueductal grey matter during the oestrous cycle in rats, Soc Neurosci Abstr, 34, 624.4 Brandao, 2005, GABAergic regulation of the neural organization of fear in the midbrain tectum, Neurosci Biobehav Rev, 29, 1299, 10.1016/j.neubiorev.2005.04.013 Butcher, 1974, Plasma concentration of LH, FSH, prolactin, progesterone and estradiol-17beta throughout the 4-day estrous cycle of the rat, Endocrinology, 94, 1704, 10.1210/endo-94-6-1704 Deng, 2006, Bi-directional modulation of GABAergic transmission by cholecytsokinin in hippocampal dentate gyrus granule cells of juvenile rats, J Physiol, 572, 425, 10.1113/jphysiol.2005.104463 Ensom, 2000, Gender-based differences and menstrual cycle-related changes in specific diseases: implications for pharmacotherapy, Pharmacotherapy, 20, 523, 10.1592/phco.20.6.523.35161 Farrant, 2005, Variations on an inhibitory theme: phasic and tonic activation of GABA(A) receptors, Nat Rev Neurosci, 6, 215, 10.1038/nrn1625 Ferraro, 2000, Evidence for a nucleus accumbens CCK2 receptor regulation of rat ventral pallidal GABA levels: a dual microdialysis study, Life Sci, 68, 483, 10.1016/S0024-3205(00)00949-8 Griffiths, 2005, Withdrawal from progesterone increases expression of α4, β1 and δ GABAA receptor subunits in neurons in the periaqueductal gray matter in female Wistar rats, J Comp Neurol, 486, 89, 10.1002/cne.20540 Griffiths, 2005, GABAergic neurones in the rat periaqueductal grey matter express α4, β1 and δ GABAA receptor subunits: plasticity during the oestrous cycle, Neuroscience, 136, 457, 10.1016/j.neuroscience.2005.08.013 Gulinello, 2001, Short-term exposure to a neuroactive steroid increases α4 GABAA receptor subunit levels in association with increased anxiety in the female rat, Brain Res, 910, 55, 10.1016/S0006-8993(01)02565-3 Gulinello, 2002, Progesterone withdrawal increases the alpha4 subunit of the GABA(A) receptor in male rats in association with anxiety and altered pharmacology—a comparison with female rats, Neuropharmacology, 34, 701, 10.1016/S0028-3908(02)00171-5 Gulinello, 2003, Sex differences in anxiety, sensorimotor gating and expression of the alpha4 subunit of the GABAA receptor in the amygdala after progesterone withdrawal, Eur J Neurosci, 17, 641, 10.1046/j.1460-9568.2003.02479.x Halbreich, 2003, The etiology, biology, and evolving pathology of premenstrual syndromes, Psychoneuroendocrinology, 28, 55, 10.1016/S0306-4530(03)00097-0 Harra, 2002, The anaesthetic mechanism of urethane: effects on neurotransmitter-gated ion channels, Anesth Analg, 94, 313, 10.1213/00000539-200202000-00015 Jones, 2002, Physiological, pharmacological, and immunohistochemical characterisation of juxtacellularly labelled neurones in rat nucleus tractus solitarius, Auton Neurosci, 98, 12, 10.1016/S1566-0702(02)00022-X Jeffery, 2005, Functional consequences of increased expression of α4, β1 and δ GABAA receptor subunits in the periaqueductal grey matter: heightened responsiveness to a panicogenic challenge in female rats, J Physiol, 567P, C78 Kombian, 2004, Cholecystokinin activates CCKB receptors to excite cells and depress EPSCs in the rat rostral nucleus accumbens in vitro, J Physiol, 555, 71, 10.1113/jphysiol.2003.056739 Kombian, 2005, Cholecystokinin inhibits evoked inhibitory postsynaptic currents in the rat nucleus accumbens indirectly through gamma-aminobutyric acid and gamma-aminobutyric acid type B receptors, J Neurosci Res, 79, 412, 10.1002/jnr.20349 Lerma, 1986, In vivo determination of extracellular concentration of amino-acids in the rat hippocampus: a method based on brain dialysis and computerised analysis, Brain Res, 384, 145, 10.1016/0006-8993(86)91230-8 Liu, 1994, Characterisation of the effect of cholecystokinin (CCK) on neurones in the periaqueductal gray of the rat: immunocytochemical and in vivo and in vitro electrophysiological studies, Brain Res, 642, 83, 10.1016/0006-8993(94)90908-3 Lovick, 2000, Panic disorder: A malfunction of multiple transmitter control systems with in the periaqueductal gray matter?, Neuroscientist, 6, 48, 10.1177/107385840000600113 Lovick, 2001, Involvement of GABA in medullary raphe-evoked inhibition of neuronal activity within the periaqueductal grey matter, Exp Brain Res, 137, 214, 10.1007/s002210000627 Lovick, 2006, Plasticity of GABAA receptor subunit expression during the oestrous cycle of the rat: implications for premenstrual syndrome in women, Exp Physiol, 91, 655, 10.1113/expphysiol.2005.032342 Lovick, 2005, Changes in GABAA receptor subunit expression during the oestrous cycle in Wistar rats, Neuroscience, 131, 397, 10.1016/j.neuroscience.2004.11.010 Lovick, 1999, Neurones in the dorsolateral periaqueductal grey matter in coronal slices of midbrain: electrophysiological and morphological characteristics, Exp Brain Res, 124, 53, 10.1007/s002210050599 Maguire, 2005, Ovarian cycle-linked changes in GABAA receptors mediating tonic inhibition alter seizure susceptibility and anxiety, Nat Neurosci Rev, 8, 797, 10.1038/nn1469 McLaughlan, 1987, Circulating immunoreactive inhibin levels during the normal human menstrual cycle, J Clin Endocrinol Metab, 65, 954, 10.1210/jcem-65-5-954 Mercer, 1997, Histochemistry in rat brain and spinal cord with an antibody directed at the cholecystokininA receptor, Neurosci Lett, 225, 97, 10.1016/S0304-3940(97)00197-3 Mercer, 2000, Direct visualization of cholecystokinin subtype2 receptors in rat central nervous system using anti-peptide antibodies, Neurosci Lett, 293, 167, 10.1016/S0304-3940(00)01504-4 Mody, 2001, Distinguishing between tonic and phasic conductances, Neurochem Res, 26, 907, 10.1023/A:1012376215967 Mody, 2005, Aspects of the homeostatic plasticity of GABAA receptor-mediated inhibition, J Physiol, 56, 237 Mugnaini, 1985, An atlas of the distribution of GABAergic neurons and terminals in the rat CNS as revealed by GAD immunohistochemistry, 436 O’Connor, 1988, Regional specificity of gamma-aminobutyric acid receptor regulation by estradiol, Neuroendocrinology, 47, 473, 10.1159/000124958 Ogawa, 1994, In vitro electrophysiological characterization of midbrain periaqueductal gray neurons in female rats: responses to GABA- and met-enkephalin-related agents, Brain Res, 666, 239, 10.1016/0006-8993(94)90778-1 Olsson, 2003, Association between estrus cycle-related changes in respiration and estrus cycle-related aggression in outbred female Wistar rats, Neuropsychopharmacology, 28, 704, 10.1038/sj.npp.1300074 Paxinos, 1986 Perez de la Mora, 1993, Cholecystokinin-8 increases K(+)-evoked [3H] gamma-aminobutyric acid release in slices from various brain areas, Eur J Pharmacol, 250, 423, 10.1016/0014-2999(93)90029-H Pinault, 1996, A novel single-cell staining procedure performed in vivo under electrophysiological control: morpho-functional features of juxtacellularly labelled thalamic cells and other central neurons with biocytin or neurobiotin, J Neurosci Methods, 65, 113, 10.1016/0165-0270(95)00144-1 Ranovska, 1995, Cholecystokinin-GABA interactions in rat striatum, Neuropeptides, 29, 257, 10.1016/0143-4179(95)90034-9 Reichling, 1991, GABAergic neuronal circuitry in the periaqueductal gray matter, 329 Revel, 1998, CR2954: a novel CCKB receptor antagonist with anxiolytic-like activity, Behav Pharmacol, 9, 183 Rudick, 2001, Estrogen regulates functional inhibition of hippocampal CA1 pyramidal cells in the adult female rat, J Neurosci, 21, 6532, 10.1523/JNEUROSCI.21-17-06532.2001 Schenberg, 1983, GABA modulation of the defense reaction induced by brain electrical stimulation, Physiol Behav, 31, 429, 10.1016/0031-9384(83)90062-8 Schumacher, 1989, Regulation of high affinity GABAa receptors in specific brain regions by ovarian hormones, Neuroendocrinology, 50, 10.1159/000125239 Siniscalchi, 2003, Effects of cholecystokinin tetrapeptide (CCK(4)) and of anxiolytic drugs on GABA outflow from the cerebral cortex of freely moving rats, Neurochem Int, 42, 87, 10.1016/S0197-0186(02)00052-9 Smith, 1998, GABAA receptor α4 subunit expression prevents withdrawal properties of an endogenous steroid, Nature, 382, 926, 10.1038/31948 Smith, 1998, J Neurosci, 18, 5275, 10.1523/JNEUROSCI.18-14-05275.1998 Stezhka, 1994, Inhibitory and excitatory projections from the dorsal raphe nucleus to neurones in the dorsolateral PAG in slices of midbrain maintained in vitro, Neuroscience, 62, 177, 10.1016/0306-4522(94)90323-9 Vanderhorst, 2005, Estrogen receptor-α and -β immunoreactive neurons in the brainstem and spinal cord of male and female mice: relationships to monoaminergic, cholinergic, and spinal projection systems, J Comp Neurol, 488, 152, 10.1002/cne.20569 van Megen, 1994, Pentagastrin induced panic attacks: enhanced sensitivity in panic disorder patients, Psychopharmacology, 114, 449, 10.1007/BF02249335 Watanabe, 1990, Dynamics of ovarian inhibin secretion during the oestrous cycle of the rat, J Endocrinol, 126, 151, 10.1677/joe.0.1260151 Zanovelli, 2004, Systemic and intra-dorsal periaqueductal gray injections of cholecystokinin sulphated octapeptide (CCK-8s) induce a panic-like response in rats submitted to the elevated T-maze, Peptides, 25, 1935, 10.1016/j.peptides.2004.06.016