Intra-amygdala injection of GABAA agonist, muscimol, reduces tachycardia and modifies cardiac sympatho-vagal balance during restraint stress in rats

Neuroscience

Volumn 148, Issue 2, 2007, Pages 335-341

  Salome N ^a   Ngampramuan, S ^b   Nalivaiko, E ^a  

^a FLINDERS UNIVERSITY   (Australia)

^b MAHIDOL UNIVERSITY   (Thailand)

Author keywords

heart rate; psychological stress; sympathetic; telemetry

Indexed keywords

4 AMINOBUTYRIC ACID A RECEPTOR STIMULATING AGENT; MUSCIMOL;

AMYGDALOID NUCLEUS; ANIMAL EXPERIMENT; ANIMAL MODEL; ARTICLE; AUTONOMIC NERVOUS SYSTEM; CONTROLLED STUDY; ELECTROCARDIOGRAPHY; HEART RATE; HEART RATE VARIABILITY; IMMOBILIZATION STRESS; MALE; MENTAL STRESS; MICROINJECTION; NONHUMAN; PRIORITY JOURNAL; RAT; SPRAGUE DAWLEY RAT; STEADY STATE; SYMPATHETIC TONE; TACHYCARDIA; TELEMETRY; VAGUS TONE;

AMYGDALA; ANALYSIS OF VARIANCE; ANIMALS; AREA UNDER CURVE; FUNCTIONAL LATERALITY; GABA AGONISTS; HEART RATE; MALE; MUSCIMOL; RATS; RATS, SPRAGUE-DAWLEY; STRESS, PSYCHOLOGICAL; TACHYCARDIA; VAGUS NERVE;

EID: 34548495618     PISSN: 03064522     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.neuroscience.2007.06.022     Document Type: Article

References (32)

1. al Maskati H.A., and Zbrozyna A.W. Cardiovascular and motor components of the defence reaction elicited in rats by electrical and chemical stimulation in amygdala. J Auton Nerv Syst 28 (1989) 127-131
2. Barron B., and Van Loon G. Role of sympathoadrenomedullary system in cardiovascular response to stress in rats. J Auton Nerv Syst 28 (1989) 179-187
3. Carter R.N., Pinnock S.B., and Herbert J. Does the amygdala modulate adaptation to repeated stress?. Neuroscience 126 (2004) 9-19
4. Chen X., and Herbert J. Regional changes in c-fos expression in the basal forebrain and brainstem during adaptation to repeated stress: correlations with cardiovascular, hypothermic and endocrine responses. Neuroscience 64 (1995) 675-685
5. Crane J.W., French K.R., and Buller K.M. Patterns of neuronal activation in the rat brain and spinal cord in response to increasing durations of restraint stress. Stress 8 (2005) 199-211
6. Critchley H.D., Rotshtein P., Nagai Y., O'Doherty J., Mathias C.J., and Dolan R.J. Activity in the human brain predicting differential heart rate responses to emotional facial expressions. Neuroimage 24 (2005) 751-762
7. Dampney R.A., Coleman M.J., Fontes M.A., Hirooka Y., Horiuchi J., Li Y.W., Polson J.W., Potts P.D., and Tagawa T. Central mechanisms underlying short- and long-term regulation of the cardiovascular system. Clin Exp Pharmacol Physiol 29 (2002) 261-268
8. Dayas C.V., Buller K.M., and Day T.A. Neuroendocrine responses to an emotional stressor: evidence for involvement of the medial but not the central amygdala. Eur J Neurosci 11 (1999) 2312-2322
9. DiMicco J.A., Samuels B.C., Zaretskaia M.V., and Zaretsky D.V. The dorsomedial hypothalamus and the response to stress: part renaissance, part revolution. Pharmacol Biochem Behav 71 (2002) 469-480
10. Galeno T.M., and Brody M.J. Hemodynamic responses to amygdaloid stimulation in spontaneously hypertensive rats. Am J Physiol 245 (1983) R281-R286
11. Galeno T.M., Van Hoesen G., and Brody M.J. Central amygdaloid nucleus lesion attenuates exaggerated hemodynamic responses to noise stress in the spontaneously hypertensive rat. Brain Res 291 (1984) 249-259
12. Gelsema A.J., McKitrick D.J., and Calaresu F.R. Cardiovascular responses to chemical and electrical stimulation of the amygdala in rats. Am J Physiol 253 (1987) R712-R718
13. Hatton D.C., Brooks V., Qi Y., and McCarron D.A. Cardiovascular response to stress: baroreflex resetting and hemodynamics. Am J Physiol 272 (1997) R1588-R1594
14. Inagaki H., Kuwahara M., and Tsubone H. Effects of psychological stress on autonomic control of heart in rats. Exp Anim 53 (2004) 373-378
15. Irvine R.J., White J., and Chan R. The influence of restraint on blood pressure in the rat. J Pharmacol Toxicol Methods 38 (1997) 157-162
16. Iwata J., LeDoux J.E., Meeley M.P., Arneric S., and Reis D.J. Intrinsic neurons in the amygdaloid field projected to by the medial geniculate body mediate emotional responses conditioned to acoustic stimuli. Brain Res 383 (1986) 195-214
17. Kubo T., Okatani H., Nishigori Y., Hagiwara Y., Fukumori R., and Goshima Y. Involvement of the medial amygdaloid nucleus in restraint stress-induced pressor responses in rats. Neurosci Lett 354 (2004) 84-86
18. LeDoux J.E., Sakaguchi A., Iwata J., and Reis D.J. Interruption of projections from the medial geniculate body to an archi-neostriatal field disrupts the classical conditioning of emotional responses to acoustic stimuli. Neuroscience 17 (1986) 615-627
19. Lovick T.A. Selective modulation of the cardiovascular response but not the antinociception evoked from the dorsal PAG, by 5-HT in the ventrolateral medulla. Pflugers Arch 416 (1990) 222-224
20. Lucini D., Norbiato G., Clerici M., and Pagani M. Hemodynamic and autonomic adjustments to real life stress conditions in humans. Hypertension 39 (2002) 184-188
21. McDougall S., Paull J., Widdop R., and Lawrence A. Restraint stress: differential cardiovascular responses in Wistar-Kyoto and spontaneously hypertensive rats. Hypertension 35 (2000) 126-129
22. McDougall S.J., Lawrence A.J., and Widdop R.E. Differential cardiovascular responses to stressors in hypertensive and normotensive rats. Exp Physiol 90 (2005) 141-150
23. Roozendaal B., Koolhaas J.M., and Bohus B. Central amygdala lesions affect behavioral and autonomic balance during stress in rats. Physiol Behav 50 (1991) 777-781
24. Sanders B.J., Wirtz-Nole C., DeFord S.M., and Erling B.F. Central amygdaloid lesions attenuate cardiovascular responses to acute stress in rats with borderline hypertension. Physiol Behav 56 (1994) 709-713
25. Sgoifo A., Koolhaas J.M., De Boer S.F., Musso E., Stilli D., Buwalda B., and Meerlo P. Social stress, autonomic neural activation, and cardiac activity in rats. Neurosci Biobehav Rev 23 (1999) 915-923
26. Sgoifo A., Stilli D., Medici D., Gallo P., Aimi B., and Musso E. Electrode positioning for reliable telemetry ECG recordings during social stress in unrestrained rats. Physiol Behav 60 (1996) 1397-1401
27. Shapiro P.A., Sloan R.P., Horn E.M., Myers M.M., and Gorman J.M. Effect of innervation on heart rate response to mental stress. Arch Gen Psychol 50 (1993) 275-279
28. Soltis R.P., Cook J.C., Gregg A.E., Stratton J.M., and Flickinger K.A. EAA receptors in the dorsomedial hypothalamic area mediate the cardiovascular response to activation of the amygdala. Am J Physiol 275 (1998) R624-R631
29. Soltis R.P., and DiMicco J.A. Interaction of hypothalamic GABAA and excitatory amino acid receptors controlling heart rate in rats. Am J Physiol 261 (1991) R427-R433
30. Stotz-Potter E.H., Willis L.R., and DiMicco J.A. Muscimol acts in dorsomedial but not paraventricular hypothalamic nucleus to suppress cardiovascular effects of stress. J Neurosci 16 (1996) 1173-1179
31. Task Force of the European Society of Cardiology and the North American Society of Pacing and Electrophysiology. Heart rate variability: standards of measurement, physiological interpretation, and clinical use. Circulation 93 (1996) 1043-1065
32. Trneckova L., Armario A., Hynie S., Sida P., and Klenerova V. Differences in the brain expression of c-fos mRNA after restraint stress in Lewis compared to Sprague-Dawley rats. Brain Res 1077 (2006) 7-15