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Gang J, Park KT, Kim S, Kim W. Involvement of the Spinal Serotonergic System in the Analgesic Effect of [6]-Shogaol in Oxaliplatin-Induced Neuropathic Pain in Mice. Pharmaceuticals (Basel) 2023; 16:1465. [PMID: 37895936 PMCID: PMC10610466 DOI: 10.3390/ph16101465] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2023] [Revised: 10/01/2023] [Accepted: 10/10/2023] [Indexed: 10/29/2023] Open
Abstract
Oxaliplatin is a chemotherapy drug that can induce severe acute neuropathy in patients within hours of treatment. In our previous study, 10 mg/kg [6]-shogaol (i.p.) significantly alleviated cold and mechanical allodynia induced by a 6 mg/kg oxaliplatin injection (i.p.); however, the precise serotonin-modulatory effect has not been investigated. In this study, we showed that intrathecal injections of NAN-190 (5-HT1A receptor antagonist, 1 µg) and MDL-72222 (5-HT3 receptor antagonist, 15 µg), but not ketanserin (5-HT2A receptor antagonist, 1 µg), significantly blocked the analgesic effect of [6]-shogaol (10 mg/kg, i.p.). Furthermore, the gene expression of the serotonin-synthesizing enzyme tryptophan hydroxylase 2 (TPH2) and serotonin levels in the spinal cord and serum were significantly downregulated (p < 0.0001 and p = 0.0002) and upregulated (p = 0.0298 and p = 0.0099) after oxaliplatin and [6]-shogaol administration, respectively. Moreover, both the gene and protein expression of the spinal serotonin receptors 5-HT1A and 5-HT3 significantly increased after [6]-shogaol injections (p < 0.0001). Finally, intrathecal injections of both receptor agonists (8-OH-DPAT; 5-HT1A receptor agonist, 10 µg and m-CPBG; 5-HT3 receptor agonist, 15 µg) mimicked the effects of [6]-shogaol in oxaliplatin-injected mice. Taken together, these results demonstrate that [6]-shogaol attenuates oxaliplatin-induced neuropathic pain by modulating the spinal serotoninergic system.
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Affiliation(s)
- Juan Gang
- Department of East-West Medicine, Graduate School, Kyung Hee University, Seoul 02447, Republic of Korea;
| | - Keun-Tae Park
- Department of Physiology, College of Korean Medicine, Kyung Hee University, Seoul 02453, Republic of Korea; (K.-T.P.); (S.K.)
- Korean Medicine-Based Drug Repositioning Cancer Research Center, College of Korean Medicine, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Suyong Kim
- Department of Physiology, College of Korean Medicine, Kyung Hee University, Seoul 02453, Republic of Korea; (K.-T.P.); (S.K.)
| | - Woojin Kim
- Department of East-West Medicine, Graduate School, Kyung Hee University, Seoul 02447, Republic of Korea;
- Department of Physiology, College of Korean Medicine, Kyung Hee University, Seoul 02453, Republic of Korea; (K.-T.P.); (S.K.)
- Korean Medicine-Based Drug Repositioning Cancer Research Center, College of Korean Medicine, Kyung Hee University, Seoul 02447, Republic of Korea
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Lee JH, Gang J, Yang E, Kim W, Jin YH. Bee Venom Acupuncture Attenuates Oxaliplatin-Induced Neuropathic Pain by Modulating Action Potential Threshold in A-Fiber Dorsal Root Ganglia Neurons. Toxins (Basel) 2020; 12:toxins12120737. [PMID: 33255279 PMCID: PMC7760131 DOI: 10.3390/toxins12120737] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2020] [Revised: 11/17/2020] [Accepted: 11/20/2020] [Indexed: 12/12/2022] Open
Abstract
Oxaliplatin is a third-generation platinum-based chemotherapeutic drug widely used in colorectal cancer treatment. Although potent against this tumor, it can induce cold and mechanical allodynia even after a single injection. The currently used drugs to attenuate this allodynia can also cause unwanted effects, which limit their use. Bee venom acupuncture (BVA) is widely used in Korean medicine to treat pain. Although the effect of BVA on oxaliplatin-induced neuropathic pain has been addressed in many studies, its action on dorsal root ganglia (DRG) neurons has never been investigated. A single oxaliplatin injection (6 mg/kg, intraperitoneally) induced cold and mechanical allodynia, and BVA (0.1 and 1 mg/kg, subcutaneous, ST36) dose-dependently decreased allodynia in rats. On acutely dissociated lumbar 4-6 DRG neurons, 10 min application of oxaliplatin (100 μM) shifted the voltage-dependence of sodium conductance toward negative membrane potentials in A- but not C-fibers. The resting membrane potential remained unchanged, but the action potential threshold decreased significantly compared to that of the control (p < 0.05). However, 0.1 μg/mL of BVA administration increased the lowered action potential threshold. In conclusion, these results suggest that BVA may attenuate oxaliplatin-induced neuropathic pain by altering the action potential threshold in A-fiber DRG neurons.
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Affiliation(s)
- Ji Hwan Lee
- Department of Physiology, College of Korean Medicine, Kyung Hee University, Seoul 02453, Korea;
- Department of Science in Korean Medicine, Graduate School, Kyung Hee University, Seoul 02453, Korea
| | - Juan Gang
- Department of East-West Medicine, Graduate School, Kyung Hee University, Seoul 02453, Korea;
| | - Eunhee Yang
- Department of Physiology, College of Medicine, Kyung Hee University, Seoul 02453, Korea;
| | - Woojin Kim
- Department of Physiology, College of Korean Medicine, Kyung Hee University, Seoul 02453, Korea;
- Department of Science in Korean Medicine, Graduate School, Kyung Hee University, Seoul 02453, Korea
- Department of East-West Medicine, Graduate School, Kyung Hee University, Seoul 02453, Korea;
- Correspondence: (W.K.); (Y.-H.J.)
| | - Young-Ho Jin
- Department of Physiology, College of Medicine, Kyung Hee University, Seoul 02453, Korea;
- Correspondence: (W.K.); (Y.-H.J.)
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Kakarala SE, Roberts KE, Rogers M, Coats T, Falzarano F, Gang J, Chilov M, Avery J, Maciejewski PK, Lichtenthal WG, Prigerson HG. The neurobiological reward system in Prolonged Grief Disorder (PGD): A systematic review. Psychiatry Res Neuroimaging 2020; 303:111135. [PMID: 32629197 PMCID: PMC7442719 DOI: 10.1016/j.pscychresns.2020.111135] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/22/2020] [Revised: 06/26/2020] [Accepted: 07/01/2020] [Indexed: 12/21/2022]
Abstract
Prolonged Grief Disorder (PGD) is a debilitating condition affecting between 7% and 10% of bereaved individuals. Past imaging and psychological studies have proposed links between PGD's characteristic symptoms - in particular, profound yearning - and the neural reward system. We conducted a systematic review to investigate this connection. On December 19, 2019, we searched six bibliographic databases for data on the neurobiology of grief and disordered grief. We excluded studies of the hypothalamic-pituitary-adrenal (HPA) axis, animal studies, and reviews. After abstract and full-text screening, twenty-four studies were included in the final review. We found diverse evidence for the activation of several reward-related regions of the brain in PGD. The data reviewed suggest that compared to normative grief, PGD involves a differential pattern of activity in the amygdala and orbitofrontal cortex (OFC); likely differential activity in the posterior cingulate cortex (PCC), rostral or subgenual anterior cingulate cortex (ACC), and basal ganglia overall, including the nucleus accumbens (NAc); and possible differential activity in the insula. It also appears that oxytocin signaling is altered in PGD, though the exact mechanism is unclear. Our findings appear to be consistent with, though not confirmative of, conceptualizing PGD as a disorder of reward, and identify directions for future research.
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Affiliation(s)
- S E Kakarala
- Cornell Center for Research on End-of-life Care, Weill Cornell Medicine, 420 E. 70th St., New York, NY 10021, USA
| | - K E Roberts
- Department of Psychiatry and Behavioral Sciences, Memorial Sloan Kettering Cancer Center, 1275 York Ave., New York, NY 10065, USA
| | - M Rogers
- Cornell Center for Research on End-of-life Care, Weill Cornell Medicine, 420 E. 70th St., New York, NY 10021, USA
| | - T Coats
- Department of Psychiatry and Behavioral Sciences, Memorial Sloan Kettering Cancer Center, 1275 York Ave., New York, NY 10065, USA
| | - F Falzarano
- Cornell Center for Research on End-of-life Care, Weill Cornell Medicine, 420 E. 70th St., New York, NY 10021, USA
| | - J Gang
- Cornell Center for Research on End-of-life Care, Weill Cornell Medicine, 420 E. 70th St., New York, NY 10021, USA
| | - M Chilov
- Medical Library, Memorial Sloan Kettering Cancer Center, 1275 York Ave., New York, NY 10065, USA
| | - J Avery
- Department of Radiology, Weill Cornell Medicine, 1305 York Ave., New York, NY 10021, USA
| | - P K Maciejewski
- Cornell Center for Research on End-of-life Care, Weill Cornell Medicine, 420 E. 70th St., New York, NY 10021, USA; Department of Radiology, Weill Cornell Medicine, 1305 York Ave., New York, NY 10021, USA
| | - W G Lichtenthal
- Department of Psychiatry and Behavioral Sciences, Memorial Sloan Kettering Cancer Center, 1275 York Ave., New York, NY 10065, USA; Department of Psychiatry, Weill Cornell Medicine, 525 E. 68th St., New York, NY 10065, USA
| | - H G Prigerson
- Cornell Center for Research on End-of-life Care, Weill Cornell Medicine, 420 E. 70th St., New York, NY 10021, USA; Department of Medicine, Weill Cornell Medicine, 1320 York Ave., New York, NY 10021, USA.
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Abstract
Objective: Endostatin gene therapy for endometriosis was studied in an experimental autotransplantation model in rats. Methods: Endometriotic lesions were transfected by intralesional injection of the plasmid lipofectamine-endostatinpBud (group 1), lipofectamine-pBud (empty vector; group 2) or phosphatebuffered saline (group 3). Endostatin mRNA and protein levels in lesions were evaluated by quantitative real-time reverse transcription-polymerase chain reaction and Western blot analysis. Endostatin and vascular endothelial growth factor (VEGF) protein levels in serum, and microvessel density (MVD) and matrix metalloproteinase (MMP)-2 protein levels in endometriotic lesions, were also determined. Results: Lipofectamine- endostatin-pBud injection increased endostatin mRNA and protein levels in lesions. Lesions were significantly smaller, and serum VEGF levels significantly lower, in group 1 versus controls. Serum VEGF was significantly and negatively correlated with serum endostatin. In group 1, MMP-2 levels and MVD were significantly lower versus controls. MMP-2 level was negatively correlated with endostatin. Conclusions: Gene therapy with endostatin appears to be an effective treatment for endometriosis. Restoration of endostatin gene expression by gene transfer in vivo might be a potential gene therapy approach for human endometriosis.
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Affiliation(s)
- TT Zhang
- Department of Gynaecology, Second Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - XL Fang
- Department of Gynaecology, Second Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - J Gang
- Department of Gynaecology, Second Xiangya Hospital, Central South University, Changsha, Hunan, China
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Kim Y, Prrk B, Seo J, Gang J, Lee S. Efficacy and feasibility of paclitaxel and cisplatin combination chemotherapy for the treatment of 5-flurouracil (5-FU), doxorubicin refractory advanced gastric cancer. J Clin Oncol 2008. [DOI: 10.1200/jco.2008.26.15_suppl.15674] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
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Sung KL, Li Y, Elices M, Gang J, Sriramarao P, Broide DH. Granulocyte-macrophage colony-stimulating factor regulates the functional adhesive state of very late antigen-4 expressed by eosinophils. J Immunol 1997; 158:919-27. [PMID: 8993012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
As very late antigen-4 (VLA-4) can exist in different functional states, we have sought to determine whether a cytokine expressed by inflamed endothelium (i.e., granulocyte-macrophage CSF (GM-CSF)) could regulate the functional state of VLA-4 expressed by eosinophils. Using a micropipette single cell adhesion assay able to measure the strength of adhesion forces, eosinophils exhibited low levels of basal adhesion to unstimulated endothelium (separation force, 0.022 +/- 0.003 mdynes). In contrast, individual eosinophils bound to IL-1beta-stimulated endothelium (0.49 +/- 0.02 mdynes), TNF-stimulated endothelium (0.62 +/- 0.05 mdynes), or IL-4-stimulated endothelium (0.11 +/- 0.01 mdynes) with increased avidity as assessed by separation force. Eosinophil binding to IL-4-stimulated endothelium was significantly inhibited by neutralizing Abs to either vascular cell adhesion molecule (VCAM) or VLA-4. The strength of eosinophil adhesion to VCAM (0.31 +/- 0.02 mdynes) or to connecting segment-1 (CS-1) (0.18 mdynes) was greater than the strength of eosinophil adhesion to unstimulated endothelium (0.02 mdynes), but was less than the strength of eosinophil adhesion to IL-1beta-stimulated endothelium (0.49 +/- 0.02 mdynes). After incubating eosinophils for 30 min with GM-CSF, the mean adhesion strength of eosinophils to CS-1 and VCAM increased significantly by 84 and 54%, respectively, compared with that of controls. This increased binding of eosinophils to VCAM or CS-1 was not due to alterations in VLA-4 receptor number (assessed by FACS analysis) or alterations in VLA-4 receptor distribution (assessed by confocal microscopy). These studies suggest that endothelial-derived cytokines such as GM-CSF have the potential to alter the functional state of eosinophil-expressed VLA-4 from a low affinity state to a high affinity state.
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Affiliation(s)
- K L Sung
- Department of Orthopedics and Bioengineering, University of California, San Diego 92037, USA
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Sung KL, Li Y, Elices M, Gang J, Sriramarao P, Broide DH. Granulocyte-macrophage colony-stimulating factor regulates the functional adhesive state of very late antigen-4 expressed by eosinophils. The Journal of Immunology 1997. [DOI: 10.4049/jimmunol.158.2.919] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Abstract
As very late antigen-4 (VLA-4) can exist in different functional states, we have sought to determine whether a cytokine expressed by inflamed endothelium (i.e., granulocyte-macrophage CSF (GM-CSF)) could regulate the functional state of VLA-4 expressed by eosinophils. Using a micropipette single cell adhesion assay able to measure the strength of adhesion forces, eosinophils exhibited low levels of basal adhesion to unstimulated endothelium (separation force, 0.022 +/- 0.003 mdynes). In contrast, individual eosinophils bound to IL-1beta-stimulated endothelium (0.49 +/- 0.02 mdynes), TNF-stimulated endothelium (0.62 +/- 0.05 mdynes), or IL-4-stimulated endothelium (0.11 +/- 0.01 mdynes) with increased avidity as assessed by separation force. Eosinophil binding to IL-4-stimulated endothelium was significantly inhibited by neutralizing Abs to either vascular cell adhesion molecule (VCAM) or VLA-4. The strength of eosinophil adhesion to VCAM (0.31 +/- 0.02 mdynes) or to connecting segment-1 (CS-1) (0.18 mdynes) was greater than the strength of eosinophil adhesion to unstimulated endothelium (0.02 mdynes), but was less than the strength of eosinophil adhesion to IL-1beta-stimulated endothelium (0.49 +/- 0.02 mdynes). After incubating eosinophils for 30 min with GM-CSF, the mean adhesion strength of eosinophils to CS-1 and VCAM increased significantly by 84 and 54%, respectively, compared with that of controls. This increased binding of eosinophils to VCAM or CS-1 was not due to alterations in VLA-4 receptor number (assessed by FACS analysis) or alterations in VLA-4 receptor distribution (assessed by confocal microscopy). These studies suggest that endothelial-derived cytokines such as GM-CSF have the potential to alter the functional state of eosinophil-expressed VLA-4 from a low affinity state to a high affinity state.
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Affiliation(s)
- K L Sung
- Department of Orthopedics and Bioengineering, University of California, San Diego 92037, USA
| | - Y Li
- Department of Orthopedics and Bioengineering, University of California, San Diego 92037, USA
| | - M Elices
- Department of Orthopedics and Bioengineering, University of California, San Diego 92037, USA
| | - J Gang
- Department of Orthopedics and Bioengineering, University of California, San Diego 92037, USA
| | - P Sriramarao
- Department of Orthopedics and Bioengineering, University of California, San Diego 92037, USA
| | - D H Broide
- Department of Orthopedics and Bioengineering, University of California, San Diego 92037, USA
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