Abstract
Neurostimulation for refractory angina pectoris is often advocated for its clinical efficacy. However, the recruited pathways to induce electroanalgesia are partially unknown. Therefore, we sought to study the effect of neurostimulation on experimentally induced cardiac nociception, using capsaicin as nociception-induced substance. Four different groups of male Wistar rats were pericardially infused with either saline or capsaicin with or without neurostimulation. Group StimCap was infused with capsaicin, and group StimVeh was infused with saline. Both groups were treated with neurostimulation. Group ShamCap was only infused with capsaicin without stimulation, whereas group ShamVeh was only infused with saline. Neuronal activation differences were assessed with cytochemical staining, revealing the cellular expression of c-fos. Pain behavior was registered on video and was quantitatively analyzed. In the StimCap and ShamCap groups, all animals exerted typical pain behavior, whereas in the StimVeh group only moderate changes in behavior were observed. Group ShamVeh animals were unaffected by the procedure. The upper thoracic spinal cord showed high numbers of c-fos-positive cells, predominately in laminae III and IV in both StimCap and StimVeh groups. Almost no c-fos expression was noticed in groups ShamCap and ShamVeh in these sections of the spinal cord. In groups StimCap and ShamCap a significantly higher number of c-fos-positive cells in comparison with groups StimVeh and ShamVeh were noticed in the periambigus region, the nucleus tractus solitarius, and the paraventricular hypothalamus. In the paraventricular thalamus, periaqueductal gray, and central amygdala, no significant differences were noted among the first three groups, and the c-fos concentration in these three groups was significantly higher than in group ShamVeh. It is concluded that neurostimulation does not influence capsaicin-induced cardiac nociceptive pain pulses to the central nervous system. Furthermore, capsaicin-induced cardiac pain and neurostimulation may utilize two different pathways.
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Ammons W.S., Girardot M.-N., and Foreman R. D. (1985a) T2–T5 spinothalamic neurons projecting to medial thalamus with viscerosomatic input. J. Neurophysiol. 54, 73–89.
Ammons W. S., Girardot M.-N., and Foreman R. D. (1985) Effects of intracardiac bradykinin on T2–T5 medial spinothalamic cells. Am. J. Physiol. 249, R147-R152.
Anderson C., Hole P., and Oxhoj H. (1994) Does pain relief with spinal cord stimulation for angina conceal myocardial infarction? Br. Heart J. 71, 419–421.
Anton F., Herdegen T., Peppel P., and Leah J. D. (1991) C-fos-like immunoreactivity in rat brain stem neurons following noxious chemical stimulation of the nasal mucosa. Neuroscience 41, 629–641.
Apkarian A. V. and Hodge C. J. (1989) Primate spinothalamic pathways II. The cells of origin of the dorsolateral and ventral spinothalamic pathways. J. Comp. Neurol. 288, 474–492.
Baker D. G., Coleridge H. M., Coleridge J. C. G., and Nerdrum T. (1980) Search for a cardiac nociceptor: stimulation by bradykinin of sympathetic afferent nerve endings in the heart of cat. J. Physiol. 306, 519–536.
Berendse H. W. and Groenewengen V. H. (1991) Restricted cortical termination fields of the midline and intralaminar thalamic nuclei in the rat. Neuroscience 42, 73–102.
Blair R. W., Weber R. N., and Foreman R. D. (1981) Characteristics of primate spinothalamic tract neurons receiving viscerosomatic convergent inputs in T3–T5 segments. J. Neurophysiol. 46, 797–811.
Blair R. W., Weber R. N., and Foreman R. D. (1982) Responses of thoracic spinothalamic neurons to intracardiac injection of bradykinin in the monkey. Circ. Res. 51, 83–94.
Brüggemann J., Shi T., and Apkarian A. V. (1997) Viscerosomatic neurons in the primary somatosensory cortex (SI) of the squirrel monkey. Brain Res. 756(1–2), 297–300.
Casey K. L. and Jones E. G. (1978) Supraspinal mechanisms: an overview of ascending pathways: brainstem and thalamus. Neurosci. Res. Prog. Bull. 16, 103–118.
Chandler M. J. and Foreman R. D. (1997) Pathways and characterization of excitatory cardiopulmonary sympathetic afferent (CPSA) input to ventroposterolateral (VPL) thalamic cells in primates. Soc. Neurosci. 23(2), 9151.
Chandler M. J., Hobbs S. F., Fu Q.-G., Kenshalo D. R., Blair R. W., and Foreman R. D. (1992) Responses of neurons in ventroposterolateral nucleus of primate thalamus to urinary bladder distention. Brain Res. 571, 26–34.
Coleridge H. M. and Coleridge J. C. G. (1980) Cardiovascular afferents involved in regulation of peripheral vessels. Annu. Rev. Physiol. 42, 413–427.
Colin I., Clement, K. Keay A., Podzbenko K, Gorden B. D., and Bandler R. (2000) Spinal Sources of noxious visceral and noxious deep somatic afferent drive onto the ventrolateral periaqueductal gray of the rat. J. Comp. Neurol. 425, 323–344.
De Jongste M. J. L., Hautvast R. W. M., Ruiters M. H. J., and Ter Horst G. J. (1998). Spinal cord stimulation and the induction of c-fos and heat shock protein in the central nervous system of rats. Neuromodulation 1, 66–77.
Dragunow M. and Faull R. (1989) The use of c-fos as a metabolic marker in neuronal pathway tracing. J. Neurosci. Methods 29, 261–265.
Follett K. A. and Dirks B. (1994) Characterization of responses of primary somatosensory cerebral cortex neurons to noxious visceral stimulation in the rat. Brain Res. 656(1), 27–32.
Foreman R. D. (1999) Mechanisms of cardiac pain. Annu. Rev. Physiol. 61, 143–167.
Gybels J. M. and Sweet W. H., eds. (1989) Neurosurgical Treatment of Persistent Pain. Karge, New York.
Harris J. A. (1998) Using c-fos as a neural marker of pain. Brain Res. Bull. 45(1), 1–8.
Holzer P. (1991) Capsaicin: cellular targets, mechanisms of action and selectivity for thin sensory neurons. Pharmacol. Rev. 11, 330–343.
Hautvast R. W. M., Ter Horst G. J., De Jong B. M., De Jongste M. J. L., Blanksma P. K., Paans A. M. J., and Korf J. (1997) Relative changes in regional cerebral blood flow during spinal cord stimulation in patient with refractory angina pectoris. Eur. J. Neurosci. 9, 1178–1183.
Hautvast R. W., Brouwer J., DeJongste M. J., and Lie K. I. (1998) Effect of spinal cord stimulation on heart rate variability and myocardial ischemia in patients with chronic intractable angina pectoris—a prospective ambulatory electrocardiographic study. Clin. Cardiol. 21(1), 33–38.
Hunt S. P., Pini A., and Evans G. (1987) Induction of c-fos like protein in spinal cord neurons following sensory stimulation. Nature 328, 632–634.
Jessurun G. A., DeJongste M. J., and Blanksma P. K. (1996) Current views on neurostimulation in the treatment of cardiac ischemic syndromes. Pain 66, 109–116.
Kemper R. H., Meijler W. J., Ter Horst G. J. (1997) Trigeminovascular stimulation in conscious rats. Neuroreport. 8(5), 1123–1126.
Kuo D. C., Oravitz J., and De Groet W. C. (1984) Tracing of afferent and efferent pathways in the left inferior cardiac nerve of the cat using retrograde and transganglionic transport of horseradish peroxidase. Brain Res. 321, 111–118.
Lewis T. (1942) Pain. McMillan, London, UK, 1942.
Lombardi F., Della Bella P., Casati R., and Malliani A. (1981) Effects of intracoronary administration of bradykinin on the impulse activity of afferent sympathetic unmyelinated fibers with left ventricular endings in the cat. Circ. Res. 48, 69–75.
Maggi C. A., Giuliani S., Meini S., Santicioli P. (1995) Calcitonin gene related peptide as inhibitory neurotransmitter in the ureter. Can. J. Physiol. Pharmacol. 73(7), 986–990.
Mannheimer C., Carlsson C. A., Emanuelsson H., Vedin A., Waagstein F., Wilhelmsson C. (1985) The effects of transcutaneous electrical nerve stimulation in patients with severe angina pectoris. Circulation 71(2), 308–316.
Meller S. T. and Gebhart G. F. (1992) A critical review of the afferent pathways and the potential chemical mediators involved in cardiac pain. Neuroscience 48, 501–524.
Melzack R. and Wall P. D. (1982) The Challenge of Pain. Basic Books, New York.
Nowicki D. and Szulczyk P. (1986) Longitudinal distribution of negative cord dorsum potentials following stimulation of afferent fibres in the left inferior cardiac nerve. J. Auton. Nerv. Syst. 18, 185–197.
Pagani M., Pizzinelli P., Furlan R., Guzzetti S., and Rimoldi O. (1985) Analysis of the pressor sympathetic reflex produced by intracoronary injections of bradykinin in conscious dogs. Circ. Res. 56, 175–183.
Rosen S. D. and Camici P. G. (2000) The brain-heart axis in the perception of cardiac pain: the elusive link between ischemia and pain. Ann. Med. 32(5), 350–364.
Rosen S. D., Paulesu E., Frith C. D., Frackowiak R. S. J., Jomes T., and Camici P. G. (1994) Central nervous pathways mediating angina pectoris. Lancet 344, 147–150.
Rosen S. D., Paulesu E., Nihoyannopoulos P., Tousoulis D., Frackowiak R. S. J., Firth C. D., et al. (1996) Silent ischemia as a central problem: regional brain activation compared in silent and painful myocardial ischemia. Ann. Intern. Med. 124, 939–949.
Sadikot A. F., Parent A., and Francois C. (1990) The center median and parafascicular thalamic nuclei project respectively to the sensorimotor and associate limbic striatal territories in the squirrel monkey. Brain Res. 510, 161–165.
Sagar S. M., Sharp F. R., and Curran T. (1988) Expression of c-fos protein in brain: metabolic mapping at the cellular level. Science 240, 1328–1331.
Strassman A. M. and Vos B. P. (1993) Somatotopic and laminar organization of fos-like immunoreactivity in the medullary and upper cervical dorsal horn induced by noxious fascial stimulation in the rat. J. Comp. Neurol. 331, 495–516.
Sugiura Y., Terul N., and Hosoya Y. (1989) Difference in distribution of central terminals between visceral and somatic unmyelinated (C) primary afferent fibers. J. Neurophysiol. 62, 834–840.
Swanson L. W. (1992) Brain maps: computer graphic files. Elsevier Science Publisher, Amsterdam, The Netherlands.
Szolcsanyi J. (1993) Actions of capsaicin on sensory receptors, in Capsaicin in the Study of Pain (Wood J., ed.), Academic, London, pp. 1–26.
Szolcsanyi J. (1996) Capsaicin-sensitive sensory nerves terminals with local and systemic efferent functions: facts and scopes of the unorthodox neuroregulatory mechanism. Prog. Brain Res. 113, 343–359.
Szolcsanyi J., Oroszi G., Nemeth J., Szilvassy Z., Blasig I. E., and Tosaki A. (2001) Functional and biochemical evidence of capsaicin-induced neural endothelin release in isolated working rat heart. Eur. J. Pharmacol. 419(2–3), 215–221.
Vance W. H. and Bouker R. C. (1983) Spinal origins of cardiac afferents from the region of the left anterior descending artery. Brain Res. 258, 96–100.
Vierck C. J., Greenspan J. D., Ritz L. A., and Yeomans D. C. (1986) The spinal pathways contributing to the ascending conduction and the descending modulation of pain sensations and reactions, in Spinal Afferent Processing (Yaksh T. L., ed.), Plenum, New York, pp. 275–329.
Willis W. and Coggeshall R. (1991) Sensory Mechanisms of the Spinal Cord, 2nd ed., Plenum, New York.
Zhang R., Cai K., Na J., Ma X., Liu S., Wang H., and Teng G. (1991) Effects of stimulating periaqueductal gray on the nociceptive neuron discharges of post-thalamic nucleus evoked by stimulation of splanchnic nerve in cats. Zhen Ci Yan Jiu 16(1), 10–14.
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Albutaihi, I.A.M., Hautvast, R.W.M., DeJongste, M.J.L. et al. Cardiac nociception in rats. J Mol Neurosci 20, 43–52 (2003). https://doi.org/10.1385/JMN:20:1:43
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DOI: https://doi.org/10.1385/JMN:20:1:43