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Sarchielli P, Gallai V. Nerve growth factor and chronic daily headache: a potential implication for therapy. Expert Rev Neurother 2014; 4:115-27. [PMID: 15853622 DOI: 10.1586/14737175.4.1.115] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
The pivotal role of nerve growth factor in inducing hyperalgesia and central sensitization has been emphasized in experimental pain models. Higher nerve growth factor levels have recently been found in the cerebrospinal fluid of patients with chronic daily headache. These levels were significantly correlated with the cerebrospinal fluid levels of substance P and calcitonin gene-related peptide, supporting the involvement of this neurotrophin in enhancing the production of the two sensory neuropeptides of the trigemino-vascular system in chronic daily headache. This may, in part, account for the long-lasting sensitization and activation of this system, which could contribute to headache chronicity. More recent research has shown a significant correlation between the higher cerebrospinal fluid levels of nerve growth factor and those of another neurotrophin, the brain-derived neurotrophic factor, as well as glutamate in chronic daily headache patients. These findings suggest the potential involvement of nerve growth factor-mediated upregulation of brain-derived neurotrophic factor in persistent head pain. Therefore, nerve growth factor appears to indirectly exert its effect through enhancing glutamatergic transmission involved in the processing of head pain via brain-derived neurotrophic factor. Based on these data, a potential application can be hypothesized for novel strategies targeting neurotrophins (nerve growth factor and brain-derived neurotrophic factor) and their receptors to chronic daily headache. To date, the majority of the molecules discovered in this regard have been scarcely or never proved in animal pain models and are far from clinical use in chronic pain, including chronic daily headache. If this approach is to be developed in the near future, research should be focused on identifying strategies with few central side effects and specific selective action on central sites involved in chronic head pain and more generally in chronic pain conditions. This will represent a very difficult challenge, taking into account the pleiotropic effect of nerve growth factor and the wide range of intracellular signalling pathways activated by this neurotrophin which are not limited to the nociceptive system.
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Affiliation(s)
- Paola Sarchielli
- Department of Neuroscience, Neurologic Clinic, Via E Dal Pozzo 06126, Perugia, Italy.
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McCartney AM, Abejuela VL, Isaacson LG. Characterization of trkB immunoreactive cells in the intermediolateral cell column of the rat spinal cord. Neurosci Lett 2008; 440:103-8. [PMID: 18550280 PMCID: PMC2525737 DOI: 10.1016/j.neulet.2008.05.057] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2008] [Revised: 05/09/2008] [Accepted: 05/10/2008] [Indexed: 11/24/2022]
Abstract
The objective of the present study was to characterize the trkB receptor immunoreactive (-ir) cells in the intermediolateral cell column (IML) of the upper thoracic spinal cord. Small trkB-ir cells (area=56.1+/-4.4 microm(2)) observed in the IML showed characteristics of oligodendrocytes and were frequently observed in close apposition to choline acetyltransferase (ChAT)-ir cell bodies. Large trkB-ir cells (area=209.3+/-25.2 microm(2)) showed immunoreactivity for the neuronal marker NeuN, indicating their neuronal phenotype, as well as for ChAT, a marker for preganglionic neurons. TrkB and ChAT were co-localized in IML neurons primarily in cases that had received in vivo administration of nerve growth factor (NGF). These findings reveal two different cell types, oligodendrocytes and neurons, in the IML of the spinal cord that show trkB immunoreactivity, suggesting their regulation by brain derived neurotrophic factor (BDNF) and/or neurotrophin-4 (NT-4). In addition, there is evidence that NGF may play a role in the regulation of trkB-ir preganglionic neurons in the IML.
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Affiliation(s)
- Annemarie M. McCartney
- Center for Neuroscience and Behavior, Department of Zoology, Miami University, 280 Pearson Hall, Oxford, OH 45056
| | - Vanessa L. Abejuela
- Center for Neuroscience and Behavior, Department of Zoology, Miami University, 280 Pearson Hall, Oxford, OH 45056
| | - Lori G. Isaacson
- Center for Neuroscience and Behavior, Department of Zoology, Miami University, 280 Pearson Hall, Oxford, OH 45056
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Sarchielli P, Mancini ML, Floridi A, Coppola F, Rossi C, Nardi K, Acciarresi M, Pini LA, Calabresi P. Increased Levels of Neurotrophins Are Not Specific for Chronic Migraine: Evidence From Primary Fibromyalgia Syndrome. THE JOURNAL OF PAIN 2007; 8:737-45. [PMID: 17611164 DOI: 10.1016/j.jpain.2007.05.002] [Citation(s) in RCA: 101] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/08/2006] [Revised: 05/01/2007] [Accepted: 05/08/2007] [Indexed: 12/11/2022]
Abstract
UNLABELLED All data obtained in experimental animal pain models support the role of nerve growth factor (NGF) as a putative candidate intervening in the pathogenesis of chronic pain, including chronic daily headache (CDH). Few studies have been carried out to establish its role in maintaining pain states in humans. The present study was aimed at investigating cerebrospinal fluid (CSF) levels of NGF and brain-derived neurotrophic factor (BDNF), both measured by sensitive immunoassay, in 20 chronic migraine (CM) patients and 20 patients affected by primary fibromyalgia syndrome (PFMS), compared with those of 20 age-matched control subjects. Significantly higher levels of both neurotrophins and glutamate were found. A significantly positive correlation emerged between CSF values of BDNF and those of NGF (r = .61, P < .001; r = .53, P < .01) and glutamate (r = .44, P < .02; r = .51, P < .01) in CM and PFMS patients, respectively. These findings suggest the possibility of a NGF-mediated up-regulation of BDNF involved in the pathophysiological events underlying long-term neuroplastic changes in persistent chronic painful conditions, such as CM and fibromyalgia. NGF might indirectly exert its effect through enhancing glutamatergic transmission via BDNF. The above mechanisms could account for sustained central sensitization in both chronic pain states. PERSPECTIVE This article presents findings of higher NGF and BDNF levels correlated to increased glutamate levels in the CSF of both chronic migraine and fibromyalgia patients. This opens new insights into the pathogenic mechanisms of chronic pain and offers clinicians new therapeutic perspectives targeting the above mechanisms in both painful disorders.
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Affiliation(s)
- Paola Sarchielli
- Neurologic Clinic, Department of Medical and Surgical Specialties and Public Health, University of Perugia, Perugia, Italy.
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Li Y, Wang Z, Dahlström A. Neuroendocrine secretory protein 55 (NESP55) immunoreactivity in male and female rat superior cervical ganglion and other sympathetic ganglia. Auton Neurosci 2007; 132:52-62. [PMID: 17185044 DOI: 10.1016/j.autneu.2006.10.010] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2005] [Revised: 10/19/2006] [Accepted: 10/19/2006] [Indexed: 11/29/2022]
Abstract
Neuroendocrine secretory protein 55 (NESP55) is a soluble, acidic and heat-stable protein, belonging to the class of chromogranins. It is expressed specifically in endocrine cells and the nervous system, and is probably involved in both constitutive and regulated secretion. In the present study, we investigated the distribution of NESP55 in various rat sympathetic ganglia by immunohistochemistry. The expression of NESP55-IR was detected in a subpopulation of principal neurons in the rat SCG, which was also TH positive, and, thus, adrenergic. In the rat stellate ganglion, more than two thirds of NESP55 positive neurons were adrenergic. Colocalization of NESP55 and calcitonin gene-related peptide (CGRP) in cholinergic neurons was also observed. In the rat thoracic chain, however, the majority of NESP55 positive neurons appeared to lack TH. No detectable NESP55-IR was found in the mouse SCG. Furthermore, in the sexually dimorphic SCG, it was demonstrated that, 80% of the NESP55 positive principal neurons were also NPY positive in the male rat, while a slightly higher, but statistically significant proportion, 87%, was found in the female. Whether or not this small difference is physiologically significant is unknown. The present data provide basic knowledge about the expression of NESP55 in the sympathetic autonomic nervous system of rat, which may further our understanding of the functional significance of NESP55.
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Affiliation(s)
- Yongling Li
- Department of Medical Chemistry and Cell Biology, Institute of Biomedicine, University of Göteborg, Box 420, SE-405 30 Göteborg, Sweden.
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Benítez-Temiño B, de la Cruz RR, Tena JJ, Pastor AM. Cerebellar grafting in the oculomotor system as a model to study target influence on adult neurons. ACTA ACUST UNITED AC 2004; 49:317-29. [PMID: 16111559 DOI: 10.1016/j.brainresrev.2004.09.006] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2004] [Revised: 08/31/2004] [Accepted: 09/15/2004] [Indexed: 11/19/2022]
Abstract
In the last decades, there have been many efforts directed to gain a better understanding on adult neuron-target cell relationships. Embryonic grafts have been used for the study of neural circuit rewiring. Thus, using several donor neuronal tissues, such as cerebellum or striatum, developing grafted cells have been shown to have the capability of substituting neural cell populations and establishing reciprocal connections with the host. In addition, different lesion paradigms have also led to a better understanding of target dependence in neuronal cells. Thus, for example, axotomy induces profound morphofunctional changes in adult neurons, including the loss of synaptic inputs and discharge alterations. These alterations are probably due to trophic factor loss in response to target disconnection. In this review, we summarize the different strategies performed to disconnect neurons from their targets, and the effects of target substitution, performed by tissue grafting, upon neural properties. Using the oculomotor system-and more precisely the abducens internuclear neurons-as a model, we describe herein the effects of disconnecting a population of central neurons from its natural target (i.e., the medial rectus motoneurons at the mesencephalic oculomotor nucleus). We also analyze target-derived influences in the structure and physiology of these neurons by using cerebellar embryonic grafts as a new target for the axotomized abducens internuclear neurons.
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Affiliation(s)
- Beatriz Benítez-Temiño
- Dept. Fisiología y Zoología, Facultad de Biología, Universidad de Sevilla, Av. Reina Mercedes, 6 41012 Sevilla, E-41012, Spain
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DeCouto SA, Jones EE, Kudwa AE, Shoemaker SE, Shafer AJ, Brieschke MA, James PF, Vaughn JC, Isaacson LG. The effects of deafferentation and exogenous NGF on neurotrophins and neurotrophin receptor mRNA expression in the adult superior cervical ganglion. ACTA ACUST UNITED AC 2004; 119:73-82. [PMID: 14597231 DOI: 10.1016/j.molbrainres.2003.08.015] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Levels of nerve growth factor (NGF) and neurotrophin-3 (NT-3) protein and neurotrophin receptor mRNA in adult sympathetic neurons were investigated following surgical removal of preganglionic input and/or in vivo administration of NGF. Expression of trkC and p75, but not trkA, was significantly decreased following a 3-week deafferentation of the superior cervical ganglion (SCG). Protein levels of NGF and NT-3 in the SCG were unchanged by deafferentation. A 2-week intracerebroventricular infusion of NGF without deafferentation resulted in enhanced mRNA levels of trkA, trkC, and p75 as well as significantly increased NGF and NT-3 protein in the SCG. When NGF infusion followed deafferentation, both trkA and p75 showed significant increases while trkC levels were similar to control values. NGF protein was not increased in the SCG when deafferentation preceded exogenous NGF, yet NT-3 was elevated and levels were similar to cases receiving NGF infusion only. These results support a role for preganglionic input in trkC and p75 expression in adult sympathetic neurons. The increased levels of NT-3 protein and trkC gene expression observed following NGF infusion suggest that NGF influences NT-3 regulation in adult sympathetic neurons. In addition, the present findings provide evidence that, when preganglionic input is removed prior to the NGF infusion, NT-3 effectively competes with NGF for trkA binding. Taken together, we propose that NT-3 may play a role in the robust sprouting of sympathetic cerebrovascular axons previously observed following NGF administration, particularly when deafferentation precedes the NGF infusion period.
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Affiliation(s)
- S A DeCouto
- Center for Neuroscience, Miami University, Oxford, OH 45056, USA
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Shoemaker SE, Kudwa AE, Isaacson LG. Sympathetic ingrowth to the trigeminal ganglion following intracerebroventricular infusion of nerve growth factor. Brain Res 2002; 956:136-48. [PMID: 12426056 DOI: 10.1016/s0006-8993(02)03490-x] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
The objective of the present study was to examine the remodeling of uninjured sympathetic axons in the adult rat trigeminal ganglion following a 2-week in vivo intracerebroventricular infusion of NGF. The accumulation of infused NGF in the trigeminal was assessed using ELISA and sympathetic fibers were localized immunohistochemically with an antibody to tyrosine hydroxylase (TH). In addition, high performance liquid chromatography coupled with electrochemical detection (HPLC-ECD) allowed for biochemical measurements of the catecholamines norepinephrine (NE) and dopamine (DA). Increased NGF protein in the trigeminal ganglion was paralleled by a significant increase in sympathetic fibers and pericellular plexuses (i.e. baskets) in the cell body regions. Some ganglia showed elevated NE following NGF infusion, yet the 88% increase in mean NE did not reach significance. Following bilateral removal of the sympathetic superior cervical ganglia (SCG), a significant reduction was observed in overall NE levels and in TH-immunoreactive (-ir) fibers in the cell body regions and peripheral branches, suggesting the SCG as the origin of the sympathetic ingrowth. However, mean DA levels as well as TH-ir fibers within the trigeminal central branch were unaffected by NGF infusion or removal of the SCG and likely resulted from intrinsic dopaminergic cell bodies. In conclusion, our data provide evidence that the increased availability of NGF in the young adult rat trigeminal ganglion observed following in vivo NGF infusion enhanced sympathetic associations with the sensory neurons in the trigeminal, supporting a role for NGF in the regulation of sympathosensory interactions.
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Affiliation(s)
- S E Shoemaker
- Department of Zoology, 280 Pearson Hall, Miami University, Oxford, OH 45056, USA
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Shoemaker SE, Isaacson LG. Evidence that nerve growth factor mediates the formation of sensory pericellular baskets in the rat trigeminal ganglion. Neurosci Lett 2002; 331:183-7. [PMID: 12383927 DOI: 10.1016/s0304-3940(02)00874-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
A role for nerve growth factor (NGF) in the remodeling of sensory neurons in the trigeminal ganglion was examined. Intracerebroventricular NGF infusion and/or bilateral removal of the sympathetic superior cervical ganglia, both of which are believed to increase the availability of NGF to primary sensory neurons, resulted in a significant increase in the frequency of calcitonin gene-related peptide immunoreactive pericellular baskets. The results of this study suggest that increased NGF is sufficient to enhance the formation of sensory baskets in this ganglion, and provide evidence that NGF may mediate the formation of sensory baskets in the sensory ganglia following injury.
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Affiliation(s)
- S E Shoemaker
- Center for Neuroscience, Department of Zoology, Miami University, Oxford, OH 45056, USA
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Kudwa AE, Shoemaker SE, Crutcher KA, Isaacson LG. Evidence for reduced accumulation of exogenous neurotrophin by aged sympathetic neurons. Brain Res 2002; 948:24-32. [PMID: 12383952 DOI: 10.1016/s0006-8993(02)02945-1] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Abstract
The present study investigated the potential for neurotrophin uptake by cerebrovascular axons and subsequent accumulation in the aged superior cervical ganglion (SCG) following a two week intracerebroventricular infusion of nerve growth factor (NGF). In the SCG from aged rats, NGF protein levels declined significantly compared with the SCG from young adult rats. Following NGF infusion, perivascular axons from both young adult and aged rats showed intense NGF immunostaining. In addition, significant increases in NGF protein were shown using enzyme-linked immunosorbent assay (ELISA) and in counts of NGF immunopositive cell bodies in the SCG when compared with age-matched controls. NGF accumulation in ganglia from aged rats, however, was significantly less when compared with ganglia from young adult rats. The results of the present study suggest that NGF protein is significantly reduced in aged ganglia with the neurons retaining some capacity to take up and transport exogenous neurotrophin. Even so, the potential for NGF accumulation is dramatically reduced in aged rats when compared with that of young adult rats. While previous results have shown robust NGF-induced neurotransmitter responses by sympathetic neurons from the aged animal, the present finding of reduced accumulation of NGF in aged sympathetic neurons suggests an age-related difference in the utilization or transport of NGF.
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Affiliation(s)
- A E Kudwa
- Center for Neuroscience, Department of Zoology, 280 Pearson Hall, Miami University, Oxford, OH 45056, USA
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