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Zlendić M, Vrbanović E, Trošelj KG, Tomljanović M, Đerfi KV, Alajbeg IZ. Genetic influence on treatment outcomes in patients with pain-related temporomandibular disorders. J Oral Rehabil 2024; 51:1542-1554. [PMID: 38725226 DOI: 10.1111/joor.13730] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2023] [Revised: 03/28/2024] [Accepted: 04/26/2024] [Indexed: 07/14/2024]
Abstract
BACKGROUND Single nucleotide polymorphisms (SNPs) may influence pain susceptibility and impact treatment response in pain-related temporomandibular disorders (TMDp). OBJECTIVE Explore the role of COMT (rs4646310, rs6269, rs4818, rs4680) and OPRM1 (rs1799971) genotypes in regulating treatment response. METHODS Sixty TMDp patients (55 females and 5 males), diagnosed with the Diagnostic Criteria for TMD (DC/TMD), underwent standardised treatment (information and education, home physical therapy, occlusal splint) for 6 months. Treatment outcomes included: pain intensity, pain-free mouth opening, jaw functional limitation, depression, and anxiety. Genotyping for COMT and OPRM1 SNPs was performed using DNA from buccal mucosa swabs and TaqMan assays. Statistical analysis was carried out to compare the changes in treatment outcomes and the influence of genotypes on treatment response. RESULTS Significantly less pain reduction was observed in minor allele carriers of rs4646310, and rs4680 compared to dominant homozygous (p < .025). Minor allele carriers of rs1799971 and rs4646310 demonstrated worsening in pain-free mouth opening while dominant homozygous exhibited improvement (p < .025). Significantly less anxiety reduction was observed in minor allele carriers of rs4646310 compared to dominant homozygous (p = .003). Of the all variables assessed in the regression model, carrying a minor allele of rs1799971 predicted a poorer treatment response considering pain-free mouth opening while carrying a minor allele of rs4646310 predicted less pain and less anxiety reduction. CONCLUSION Our findings indicate that certain SNP variants of the COMT and OPRM1 genes were associated with poorer treatment response and may therefore play a significant role in the classification of TMDp patients. Also, assessment of patient genotype could potentially aid in predicting treatment response.
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Affiliation(s)
- Marko Zlendić
- Department of Removable Prosthodontics, University of Zagreb School of Dental Medicine, Zagreb, Croatia
| | - Ema Vrbanović
- Department of Removable Prosthodontics, University of Zagreb School of Dental Medicine, Zagreb, Croatia
| | - Koraljka Gall Trošelj
- Division of Molecular Medicine, Laboratory for Epigenomics, Ruđer Bošković Institute, Zagreb, Croatia
| | - Marko Tomljanović
- Division of Molecular Medicine, Laboratory for Epigenomics, Ruđer Bošković Institute, Zagreb, Croatia
| | - Kristina Vuković Đerfi
- Division of Molecular Medicine, Laboratory for Personalized Medicine, Ruđer Bošković Institute, Zagreb, Croatia
| | - Iva Z Alajbeg
- Department of Removable Prosthodontics, University of Zagreb School of Dental Medicine, Zagreb, Croatia
- Department of Dentistry, Clinical Hospital Centre Zagreb, Zagreb, Croatia
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2
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Pan LLH, Chen SP, Ling YH, Wang YF, Lai KL, Liu HY, Chen WT, Huang WJ, Coppola G, Treede RD, Wang SJ. Salivary Testosterone Levels and Pain Perception Exhibit Sex-Specific Association in Healthy Adults But Not in Patients With Migraine. THE JOURNAL OF PAIN 2024:104575. [PMID: 38788888 DOI: 10.1016/j.jpain.2024.104575] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/04/2023] [Revised: 04/30/2024] [Accepted: 05/16/2024] [Indexed: 05/26/2024]
Abstract
This study investigated the sex-specific associations between pain perception and testosterone levels in healthy controls (HCs) and patients with migraine. Male and female HCs and migraine patients were recruited. A series of questionnaires were completed by the participants to evaluate their psychosocial profiles, which included data on mood, stress, and sleep quality. Heat pain thresholds and suprathreshold pain ratings at 45 °C (referred to as the pain perception score [PPS]) were assessed using the Thermode system. Salivary testosterone levels were analyzed using a commercial enzyme-linked immunosorbent assay kit. A total of 88 HCs (men/women: 41/47, age: 29.9 ± 7.7 years) and 75 migraine patients (men/women: 30/45, age: 31.1 ± 7.7 years) completed all assessments. No significant differences were observed in either the psychosocial profiles or heat pain thresholds and PPSs between the sexes in the control and migraine groups. A positive correlation between testosterone levels and PPSs was identified in the male controls (r = .341, P = .029), whereas a negative correlation was identified in the female controls (r = -.407, P = .005). No such correlations were identified in the migraine group. This study confirms that a negative association is present between PPSs and testosterone levels in female controls, which is in line with the findings that testosterone is associated with reduced pain perception. Our study is the first to demonstrate a sex-specific association between PPSs and testosterone levels in HCs. Moreover, this study also revealed that the presence of migraine appears to disrupt this association. PERSPECTIVE: This study revealed that testosterone levels demonstrate opposite associations with pain perception in healthy men and women. However, the presence of migraine appears to disrupt this sex-specific association.
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Affiliation(s)
- Li-Ling Hope Pan
- Brain Research Center, National Yang Ming Chiao Tung University, Taipei, Taiwan.
| | - Shih-Pin Chen
- Brain Research Center, National Yang Ming Chiao Tung University, Taipei, Taiwan; College of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan; Department of Neurology, Neurological Institute, Taipei Veterans General Hospital, Taipei, Taiwan; Institute of Clinical Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan; Department of Medical Research, Taipei Veterans General Hospital, Taipei, Taiwan
| | - Yu-Hsiang Ling
- College of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan; Department of Neurology, Neurological Institute, Taipei Veterans General Hospital, Taipei, Taiwan
| | - Yen-Feng Wang
- College of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan; Department of Neurology, Neurological Institute, Taipei Veterans General Hospital, Taipei, Taiwan
| | - Kuan-Lin Lai
- College of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan; Department of Neurology, Neurological Institute, Taipei Veterans General Hospital, Taipei, Taiwan
| | - Hung-Yu Liu
- College of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan; Department of Neurology, Neurological Institute, Taipei Veterans General Hospital, Taipei, Taiwan
| | - Wei-Ta Chen
- Brain Research Center, National Yang Ming Chiao Tung University, Taipei, Taiwan; College of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan; Department of Neurology, Neurological Institute, Taipei Veterans General Hospital, Taipei, Taiwan; Department of Neurology, Keelung Hospital, Ministry of Health and Welfare, Keelung, Taiwan
| | - William J Huang
- College of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan; Department of Urology, Taipei Veterans General Hospital, Taipei, Taiwan
| | - Gianluca Coppola
- Department of Medico‑Surgical Sciences and Biotechnologies, Sapienza University of Rome Polo Pontino, Latina, Italy
| | - Rolf-Detlef Treede
- Mannheim Center for Translational Neurosciences, Medical Faculty Mannheim, Heidelberg University, Heidelberg, Germany
| | - Shuu-Jiun Wang
- Brain Research Center, National Yang Ming Chiao Tung University, Taipei, Taiwan; College of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan; Department of Neurology, Neurological Institute, Taipei Veterans General Hospital, Taipei, Taiwan
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3
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Shah N, Qazi R, Chu XP. Unraveling the Tapestry of Pain: A Comprehensive Review of Ethnic Variations, Cultural Influences, and Physiological Mechanisms in Pain Management and Perception. Cureus 2024; 16:e60692. [PMID: 38899250 PMCID: PMC11186588 DOI: 10.7759/cureus.60692] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/20/2024] [Indexed: 06/21/2024] Open
Abstract
The medical management of pain is a nuanced challenge influenced by sociocultural, demographic, and ethical factors. This review explores the intricate interplay of these dimensions in shaping pain perception and treatment outcomes. Sociocultural elements, encompassing cultural beliefs, language, societal norms, and healing practices, significantly impact individuals' pain experiences across societies. Gender expectations further shape these experiences, influencing reporting and responses. Patient implications highlight age-related and socioeconomic disparities in pain experiences, particularly among the elderly, with challenges in managing chronic pain and socioeconomic factors affecting access to care. Healthcare provider attitudes and biases contribute to disparities in pain management across racial and ethnic groups. Ethical considerations, especially in opioid use, raise concerns about subjective judgments and potential misuse. The evolving landscape of placebo trials adds complexity, emphasizing the importance of understanding psychological and cultural factors. In conclusion, evidence-based guidelines, multidisciplinary approaches, and tailored interventions are crucial for effective pain management. By acknowledging diverse influences on pain experiences, clinicians can provide personalized care, dismantle systemic barriers, and contribute to closing knowledge gaps, impacting individual and public health, well-being, and overall quality of life.
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Affiliation(s)
- Neelay Shah
- Neurology, University of Missouri Kansas City School of Medicine, Kansas City, USA
| | - Rida Qazi
- Neurology, University of Missouri Kansas City School of Medicine, Kansas City, USA
| | - Xiang-Ping Chu
- Biomedical Sciences, University of Missouri Kansas City School of Medicine, Kansas City, USA
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Merighi A. Brain-Derived Neurotrophic Factor, Nociception, and Pain. Biomolecules 2024; 14:539. [PMID: 38785946 PMCID: PMC11118093 DOI: 10.3390/biom14050539] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2024] [Revised: 04/26/2024] [Accepted: 04/26/2024] [Indexed: 05/25/2024] Open
Abstract
This article examines the involvement of the brain-derived neurotrophic factor (BDNF) in the control of nociception and pain. BDNF, a neurotrophin known for its essential role in neuronal survival and plasticity, has garnered significant attention for its potential implications as a modulator of synaptic transmission. This comprehensive review aims to provide insights into the multifaceted interactions between BDNF and pain pathways, encompassing both physiological and pathological pain conditions. I delve into the molecular mechanisms underlying BDNF's involvement in pain processing and discuss potential therapeutic applications of BDNF and its mimetics in managing pain. Furthermore, I highlight recent advancements and challenges in translating BDNF-related research into clinical practice.
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Affiliation(s)
- Adalberto Merighi
- Department of Veterinary Sciences, University of Turin, 10095 Turin, Italy
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5
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Carapinha IHA, De la Torre Canales G, Poluha RL, Câmara-Souza MB, Christidis N, Ernberg M, de Almeida AM, Manso ACGDM. Sociodemographic Profile: A Forgotten Factor in Temporomandibular Disorders? A Scoping Review. J Pain Res 2024; 17:393-414. [PMID: 38318333 PMCID: PMC10840546 DOI: 10.2147/jpr.s434146] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2023] [Accepted: 12/22/2023] [Indexed: 02/07/2024] Open
Abstract
The literature on Temporomandibular Disorders (TMD) incidence commonly reports sociodemographic factors such as gender and age. However, the role and prevalence of other sociodemographic factors in TMD are not well defined. Therefore, this scoping review aimed to report the prevalence of sociodemographic factors in TMD patients. A systematic search was conducted in the PubMed and Web of Science databases to identify clinical trials in adult populations, using the Research Diagnostic Criteria for TMD (RDC/TMD) or the Diagnostic Criteria for TMD (DC/TMD) and reporting sociodemographic data in TMD patients. Twenty-seven studies meeting the criteria were included in this review. The most commonly reported sociodemographic factors assessed in the included studies were age, race, education, job, income, and marital status. TMD prevalence was observed to be higher among younger and divorced individuals among the included studies. However, conflicting results were found for education level, and employment was not considered a risk factor for TMD. Although this review has methodological limitations, it suggests an association between TMD incidence and certain sociodemographic factors; nevertheless, further studies are needed to establish this relationship more conclusively.
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Affiliation(s)
| | - Giancarlo De la Torre Canales
- Egas Moniz Center for Interdisciplinary Research (CiiEM); Egas Moniz School of Health & Science, Almada, Portugal
- Division of Oral Diagnostics and Rehabilitation, Department of Dental Medicine, Karolinska Institutet, Huddinge, Sweden
- Department of Dentistry, Ingá University Center, Uningá, Paraná, Brazil
| | | | | | - Nikolaos Christidis
- Division of Oral Diagnostics and Rehabilitation, Department of Dental Medicine, Karolinska Institutet, Huddinge, Sweden
| | - Malin Ernberg
- Division of Oral Diagnostics and Rehabilitation, Department of Dental Medicine, Karolinska Institutet, Huddinge, Sweden
| | - Andre Mariz de Almeida
- Egas Moniz Center for Interdisciplinary Research (CiiEM); Egas Moniz School of Health & Science, Almada, Portugal
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Meyfarth SRS, Tavares JDS, Guimarães LDS, Silva EAB, Gaio DC, Ecker MB, Brancher JA, Küchler EC, Silva-Sousa AC, de Sousa-Neto MD, Antunes LAA, Antunes LS. Association between single-nucleotide polymorphisms in serotonin receptor 2A and melatonin receptor 1A genes and pain after root canal treatment. Int Endod J 2023; 56:1077-1091. [PMID: 37323077 DOI: 10.1111/iej.13946] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2023] [Revised: 06/12/2023] [Accepted: 06/13/2023] [Indexed: 06/17/2023]
Abstract
AIM This study aimed to investigate whether single-nucleotide polymorphisms (SNPs) in the genes encoding 5-HTR2A (5-Hydroxytryptamine (serotonin) receptor 2A) and MTNR1A (melatonin receptor 1A) may contribute to postoperative pain perception after root canal treatment. We hypothesised that SNPs in HTR2A and MTNR1A genes were associated with postoperative pain after root canal treatment. METHODOLOGY This genetic cohort study enrolled patients with single-rooted teeth diagnosed with pulp necrosis and asymptomatic apical periodontitis before root canal treatment. Root canal treatment was performed in one session using a standardized protocol. Postoperative pain and tenderness were assessed using a visual analogue scale (recorded every day for 7 days and on the 14th and 30th days after root canal treatment). Genomic DNA was extracted from saliva and used to genotype the SNPs in HTR2A (rs4941573 and rs6313) and MTNR1A (rs6553010, rs6847693 and rs13140012) using real-time polymerase chain reaction. Genotypes were compared using univariate and multivariate Poisson regression with generalized estimating equations (p < .05). RESULTS In total, 108 patients were enrolled in this study. The SNPs rs6553010 (MTNR1A), rs4941573 and rs6313 (HTR2A) were associated with an increased risk of developing pain after root canal treatment (p < .05). CONCLUSIONS This study suggests that SNPs in HTR2A and MTNR1A influence pain response after root canal treatment.
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Affiliation(s)
| | | | | | | | | | | | | | | | - Alice Corrêa Silva-Sousa
- Restorative Dentistry Department, School of Dentistry of Ribeirão Preto, University of São Paulo, Ribeirão Preto, Brazil
| | - Manoel Damião de Sousa-Neto
- Restorative Dentistry Department, School of Dentistry of Ribeirão Preto, University of São Paulo, Ribeirão Preto, Brazil
| | - Lívia Azeredo Alves Antunes
- Postgraduate Program, School of Dentistry, Fluminense Federal University, Niterói, Brazil
- Clinical Research Unit, Fluminense Federal University, Rio de Janeiro, Brazil
- Postgraduate Program, School of Dentistry, Fluminense Federal University, Nova Friburgo, Brazil
- Specific Formation Department, School of Dentistry of Nova Friburgo, Fluminense Federal University, Rio de Janeiro, Brazil
| | - Leonardo Santos Antunes
- Postgraduate Program, School of Dentistry, Fluminense Federal University, Niterói, Brazil
- Clinical Research Unit, Fluminense Federal University, Rio de Janeiro, Brazil
- Postgraduate Program, School of Dentistry, Fluminense Federal University, Nova Friburgo, Brazil
- Specific Formation Department, School of Dentistry of Nova Friburgo, Fluminense Federal University, Rio de Janeiro, Brazil
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7
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Rivi V, Batabyal A, Benatti C, Tascedda F, Blom JMC, Lukowiak K. A Novel Behavioral Display in Lymnaea Induced by Quercetin and Hypoxia. THE BIOLOGICAL BULLETIN 2023; 244:115-127. [PMID: 37725701 DOI: 10.1086/725689] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/21/2023]
Abstract
AbstractThe pond snail Lymnaea stagnalis employs aerial respiration under hypoxia and can be operantly conditioned to reduce this behavior. When applied individually, a heat shock (30 °C for 1 h) and the flavonoid quercetin enhance long-term memory formation for the operant conditioning of aerial respiration. However, when snails are exposed to quercetin before the heat shock, long-term memory is no longer enhanced. This is because quercetin prevents the heat-induced upregulation of heat-shock proteins 70 and 40. When we tested the memory outcome of operant conditioning due to the simultaneous exposure to quercetin and 30 °C, we found that Lymnaea entered a quiescent survival state. The same behavioral response occurred when snails were simultaneously exposed to quercetin and pond water made hypoxic by bubbling nitrogen through it. Thus, in this study, we performed six experiments to propose a physiological explanation for that curious behavioral response. Our results suggest that bubbling nitrogen in pond water, heating pond water to 30 °C, and bubbling nitrogen in 30 °C pond water create a hypoxic environment, to which organisms may respond by upregulating the heat-shock protein system. On the other hand, when snails experience quercetin together with these hypoxic conditions, they can no longer express the physiological stress response evoked by heat or hypoxia. Thus, the quiescent survival state could be an emergency response to survive the hypoxic condition when the heat-shock proteins cannot be activated.
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8
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Shen L, Wu J, Xiao Q, Hong M, Wang S, Wang J, Luo Q, Lin X, Lian J, Xu Y, Guo G, Wu J. Association between ABO blood groups and postoperative pain in children after adenotonsillectomy: a prospective cohort study. BMC Anesthesiol 2022; 22:407. [PMID: 36577969 PMCID: PMC9795585 DOI: 10.1186/s12871-022-01953-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2022] [Accepted: 12/21/2022] [Indexed: 12/29/2022] Open
Abstract
BACKGROUND It has been known that ABO blood groups are linked to the phenotypes of certain diseases; however, and the relationship between ABO blood groups and postoperative pain have not been extensively studied, especially in children. This study was to investigate whether there would be an association between the four major ABO blood groups and postoperative pain, as indicated by the differences in pain scores and rescue fentanyl requirements among blood groups in children after adenotonsillectomy. METHODS A total of 124 children, aged 3-7 years, ASA I or II, and undergoing elective adenotonsillectomy were enrolled in the study. Postoperative pain was evaluated using the Children's Hospital of Eastern Ontario Pain Scale (CHEOPS) and the rescue fentanyl requirement in post anesthesia care unit (PACU) was analyzed. Pediatric Anesthesia Emergence Delirium (PAED) score and the duration of PACU were recorded. The postoperative nausea and vomiting (PONV) within 24 h were documented. RESULTS Among four blood type groups, no significant differences were observed regarding surgery time, and the gaps of fentanyl given at the anesthesia induction and the first rescue fentanyl injection in PACU. However, patients from AB and B blood groups had significantly higher pain score at initial CHEOPS assessment and consequently, higher consumption of rescue fentanyl during PACU stay. A significantly higher percentage of patients had received > 1 μg/kg rescue fentanyl. Higher PAED scores were also observed in AB and B blood groups. CONCLUSION Paediatric patients with AB and B blood type had higher postoperative CHEOPS pain score and required significantly more fentanyl for pain control than those with A and O blood type after T&A. The initial scores of PAED in patients with AB and B blood type were also higher than that in patients with A and O blood type.
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Affiliation(s)
- Longyuan Shen
- Department of Anesthesiology, Quanzhou Women’s and Children’s Hospital, Fujian Province, Quanzhou, China
| | - Jianwen Wu
- Department of Anesthesiology, Quanzhou Women’s and Children’s Hospital, Fujian Province, Quanzhou, China
| | - Quansheng Xiao
- Department of Anesthesiology, Quanzhou Women’s and Children’s Hospital, Fujian Province, Quanzhou, China
| | - Mingyan Hong
- Department of Otolaryngology, Quanzhou Women’s and Children’s Hospital, Fujian Province, Quanzhou, China
| | - Shengzhao Wang
- Department of Anesthesiology, Quanzhou Women’s and Children’s Hospital, Fujian Province, Quanzhou, China
| | - Jingti Wang
- Department of Anesthesiology, Quanzhou Women’s and Children’s Hospital, Fujian Province, Quanzhou, China
| | - Qichen Luo
- Department of Anesthesiology, Quanzhou Women’s and Children’s Hospital, Fujian Province, Quanzhou, China
| | - Xiongda Lin
- Department of Anesthesiology, Quanzhou Women’s and Children’s Hospital, Fujian Province, Quanzhou, China
| | - Jianfeng Lian
- Department of Anesthesiology, Quanzhou Women’s and Children’s Hospital, Fujian Province, Quanzhou, China
| | - Yibin Xu
- Department of Anesthesiology, Quanzhou Women’s and Children’s Hospital, Fujian Province, Quanzhou, China
| | - Guoqing Guo
- Department of Anesthesiology, Quanzhou Women’s and Children’s Hospital, Fujian Province, Quanzhou, China
| | - Junzheng Wu
- grid.239573.90000 0000 9025 8099Department of Anesthesiology, Cincinnati Children’s Hospital Medical Center, Cincinnati, OH USA
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Li J, Li C, Huang Y, Guan P, Huang D, Yu H, Yang X, Liu L. Mendelian randomization analyses in ocular disease: a powerful approach to causal inference with human genetic data. J Transl Med 2022; 20:621. [PMID: 36572895 PMCID: PMC9793675 DOI: 10.1186/s12967-022-03822-9] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2022] [Accepted: 12/11/2022] [Indexed: 12/27/2022] Open
Abstract
Ophthalmic epidemiology is concerned with the prevalence, distribution and other factors relating to human eye disease. While observational studies cannot avoid confounding factors from interventions, human eye composition and structure are unique, thus, eye disease pathogenesis, which greatly impairs quality of life and visual health, remains to be fully explored. Notwithstanding, inheritance has had a vital role in ophthalmic disease. Mendelian randomization (MR) is an emerging method that uses genetic variations as instrumental variables (IVs) to avoid confounders and reverse causality issues; it reveals causal relationships between exposure and a range of eyes disorders. Thus far, many MR studies have identified potentially causal associations between lifestyles or biological exposures and eye diseases, thus providing opportunities for further mechanistic research, and interventional development. However, MR results/data must be interpreted based on comprehensive evidence, whereas MR applications in ophthalmic epidemiology have some limitations worth exploring. Here, we review key principles, assumptions and MR methods, summarise contemporary evidence from MR studies on eye disease and provide new ideas uncovering aetiology in ophthalmology.
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Affiliation(s)
- Jiaxin Li
- grid.412449.e0000 0000 9678 1884Department of Epidemiology, School of Public Health, China Medical University, Shenyang, Liaoning China
| | - Cong Li
- grid.413405.70000 0004 1808 0686Guangdong Eye Institute, Department of Ophthalmology, Guangdong Provincial People’s Hospital, Guangdong Academy of Medical Sciences, Guangzhou, 510080 China
| | - Yu Huang
- grid.413405.70000 0004 1808 0686Guangdong Eye Institute, Department of Ophthalmology, Guangdong Provincial People’s Hospital, Guangdong Academy of Medical Sciences, Guangzhou, 510080 China ,grid.413405.70000 0004 1808 0686Guangdong Cardiovascular Institute, Guangdong Provincial People’s Hospital, Guangdong Academy of Medical Sciences, Guangzhou, China
| | - Peng Guan
- grid.412449.e0000 0000 9678 1884Department of Epidemiology, School of Public Health, China Medical University, Shenyang, Liaoning China
| | - Desheng Huang
- grid.412449.e0000 0000 9678 1884Department of Mathematics, School of Fundamental Sciences, China Medical University, Shenyang, Liaoning China
| | - Honghua Yu
- grid.413405.70000 0004 1808 0686Guangdong Eye Institute, Department of Ophthalmology, Guangdong Provincial People’s Hospital, Guangdong Academy of Medical Sciences, Guangzhou, 510080 China
| | - Xiaohong Yang
- grid.413405.70000 0004 1808 0686Guangdong Eye Institute, Department of Ophthalmology, Guangdong Provincial People’s Hospital, Guangdong Academy of Medical Sciences, Guangzhou, 510080 China
| | - Lei Liu
- grid.413405.70000 0004 1808 0686Guangdong Eye Institute, Department of Ophthalmology, Guangdong Provincial People’s Hospital, Guangdong Academy of Medical Sciences, Guangzhou, 510080 China
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Hargreaves R, Akinsanya K, Ajit SK, Dhruv NT, Driscoll J, Farina P, Gavva N, Gill M, Houghton A, Iyengar S, Jones C, Kavelaars A, Kaykas A, Koroshetz WJ, Laeng P, Laird JM, Lo DC, Luthman J, Munro G, Oshinsky ML, Sittampalam GS, Woller SA, Tamiz AP. Preclinical target validation for non-addictive therapeutics development for pain. Expert Opin Ther Targets 2022; 26:811-822. [DOI: 10.1080/14728222.2022.2147063] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Affiliation(s)
| | | | - Seena K. Ajit
- Department of Pharmacology, Drexel University College of Medicine, Philadelphia, Pennsylvania, United States
| | - Neel T. Dhruv
- National Institute of Neurological Disorders and Stroke, Bethesda, Maryland, United States
| | - Jamie Driscoll
- National Institute of Mental Health, Bethesda, Maryland, United States
| | - Peter Farina
- Canaan Partners, Westport, Connecticut, United States
| | - Narender Gavva
- Drug Discovery Sciences, Takeda Pharmaceuticals, San Diego, California, United States
| | - Marie Gill
- National Institute of Neurological Disorders and Stroke, Bethesda, Maryland, United States
| | | | - Smriti Iyengar
- National Institute of Neurological Disorders and Stroke, Bethesda, Maryland, United States
| | - Carrie Jones
- Department of Pharmacology, Vanderbilt University, Nashville, Tennessee, United States
| | - Annemieke Kavelaars
- The University of Texas MD Anderson Cancer Center, Houston, Texas, United States
| | | | - Walter J. Koroshetz
- National Institute of Neurological Disorders and Stroke, Bethesda, Maryland, United States
| | - Pascal Laeng
- National Institute of Neurological Disorders and Stroke, Bethesda, Maryland, United States
| | - Jennifer M. Laird
- Eli Lilly and Company, Windlesham, United Kingdom of Great Britain and Northern Ireland
| | - Donald C. Lo
- National Center for Advancing Translational Sciences, Bethesda, Maryland, United States
| | | | | | - Michael L. Oshinsky
- National Institute of Neurological Disorders and Stroke, Bethesda, Maryland, United States
| | - G. Sitta Sittampalam
- National Center for Advancing Translational Sciences, Bethesda, Maryland, United States
| | - Sarah A. Woller
- National Institute of Neurological Disorders and Stroke, Bethesda, Maryland, United States
| | - Amir P. Tamiz
- National Institute of Neurological Disorders and Stroke, Bethesda, Maryland, United States
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11
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Oh SY, Park K, Koh SJ, Kang JH, Chang MH, Lee KH. Survey of Opioid Risk Tool Among Cancer Patients Receiving Opioid Analgesics. J Korean Med Sci 2022; 37:e185. [PMID: 35698838 PMCID: PMC9194487 DOI: 10.3346/jkms.2022.37.e185] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/10/2022] [Accepted: 05/11/2022] [Indexed: 12/03/2022] Open
Abstract
BACKGROUND The risk of opioid-related aberrant behavior (OAB) in Korean cancer patients has not been previously evaluated. The purpose of this study is to investigate the Opioid Risk Tool (ORT) in Korean cancer patients receiving opioid treatment. METHODS Data were obtained from a multicenter, cross-sectional, nationwide observational study regarding breakthrough cancer pain. The study was conducted in 33 South Korean institutions from March 2016 to December 2017. Patients were eligible if they had cancer-related pain within the past 7 days, which was treated with strong opioids in the previous 7 days. RESULTS We analyzed ORT results of 946 patients. Only one patient in each sex (0.2%) was classified as high risk for OAB. Moderate risk was observed in 18 males (3.3%) and in three females (0.7%). Scores above 0 were primarily derived from positive responses for personal or familial history of alcohol abuse (in men), or depression (in women). In patients with an ORT score of 1 or higher (n = 132, 14%), the score primarily represented positive responses for personal history of depression (in females), personal or family history of alcohol abuse (in males), or 16-45 years age range. These patients had more severe worst and average pain intensity (proportion of numeric rating scale ≥ 4: 20.5% vs. 11.4%, P < 0.001) and used rescue analgesics more frequently than patients with ORT scores of 0. The proportion of moderate- or high-risk patients according to ORT was lower in patients receiving low doses of long-acting opioids than in those receiving high doses (2.0% vs. 6.6%, P = 0.031). Moderate or high risk was more frequent when ORT was completed in an isolated room than in an open, busy place (2.7% vs. 0.6%, P = 0.089). CONCLUSIONS The score of ORT was very low in cancer patients receiving strong opioids for analgesia. Higher pain intensity may associate with positive response to one or more ORT item.
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Affiliation(s)
- So Yeon Oh
- Medical Oncology and Hematology, Department of Internal Medicine, Pusan National University Yangsan Hospital, Yangsan, Korea
| | - Kwonoh Park
- Medical Oncology and Hematology, Department of Internal Medicine, Pusan National University Yangsan Hospital, Yangsan, Korea
| | - Su-Jin Koh
- Department of Hematology and Oncology, Ulsan University Hospital, Ulsan University College of Medicine, Ulsan, Korea
| | - Jung Hun Kang
- Hematology and Oncology, Department of Internal medicine, Gyeongsang National University College of Medicine, Jinju, Korea
| | - Myung Hee Chang
- Oncology and Hematology, Department of Internal Medicine, National Health Insurance Service Ilsan Hospital, Goyang, Korea
| | - Kyung Hee Lee
- Hematology and Oncology, Department of Internal Medicine, Yeungnam University College of Medicine, Daegu, Korea.
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12
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Triantafyllou P, Nas Z, Zavos HMS, Sumathipala A, Jayaweera K, Siribaddana SH, Hotopf M, Ritchie SJ, Rijsdijk FV. The aetiological relationship between depressive symptoms and health-related quality of life: A population-based twin study in Sri Lanka. PLoS One 2022; 17:e0265421. [PMID: 35353839 PMCID: PMC8967029 DOI: 10.1371/journal.pone.0265421] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2021] [Accepted: 03/01/2022] [Indexed: 11/25/2022] Open
Abstract
Objective Depression often co-occurs with poor health-related quality of life (HRQL). Twin studies report genetic and individual-level environmental underpinnings in the aetiology of both depression and HRQL, but there is limited twin research exploring this association further. There is also little evidence on sex differences and non-Western populations are underrepresented. In this paper we explored the phenotypic and aetiological relationship between depressive symptoms and HRQL and possible sex differences in a low-middle-income Sri Lankan population. Method Data for 3,948 participants came from the Colombo Twin and Singleton Follow-up Study (CoTaSS-2). Using self-report measures of depressive symptoms and HRQL, we conducted univariate and bivariate sex-limitation twin analyses. Results Depressive symptoms showed moderate genetic (33%) and strong nonshared environmental influences (67%). Nonshared environment accounted for the majority of variance in all the subscales of HRQL (ranging from 68 to 93%), alongside small genetic influences (ranging from 0 to 23%) and shared environmental influences (ranging from 0 to 28%). Genetic influences were significant for emotional wellbeing (23%). Shared environmental influences were significant for four out of the eight HRQL variables (ranging from 22–28%), and they were more prominent in females than males. Depressive symptoms were significantly associated with lower HRQL scores. These correlations were mostly explained by overlapping nonshared environmental effects. For traits related to emotional functioning, we also detected substantial overlapping genetic influences with depressive symptoms. Conclusions Our study confirmed previous findings of a negative association between depressive symptoms and HRQL. However, some of the aetiological factors of HRQL differed from Western studies, particularly regarding the effects of shared environment. Our findings highlight the importance of cross-cultural research in understanding associations between psychological wellbeing and HRQL.
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Affiliation(s)
- Panagiota Triantafyllou
- Social, Genetic & Developmental Psychiatry Centre, Institute of Psychiatry, Psychology and Neuroscience, King’s College London, London, United Kingdom
- * E-mail:
| | - Zeynep Nas
- Social, Genetic & Developmental Psychiatry Centre, Institute of Psychiatry, Psychology and Neuroscience, King’s College London, London, United Kingdom
| | - Helena M. S. Zavos
- Department of Psychology, Institute of Psychiatry, Psychology and Neuroscience, King’s College London, London, United Kingdom
| | - Athula Sumathipala
- Institute for Research and Development, Colombo, Sri Lanka
- Research Institute for Primary Care and Health Sciences, Faculty of Health, Keele University, Keele, United Kingdom
| | | | - Sisira H. Siribaddana
- Faculty of Medicine & Allied Sciences, Rajarata University of Sri Lanka, Anuradhapura, Sri Lanka
| | - Matthew Hotopf
- Psychological Medicine Department, Institute of Psychiatry, Psychology, and Neuroscience, King’s College London, London, United Kingdom
- NIHR Biomedical Research Centre for Mental Health at the South London and Maudsley NHS Foundation Trust, King’s College London, London, United Kingdom
| | - Stuart J. Ritchie
- Social, Genetic & Developmental Psychiatry Centre, Institute of Psychiatry, Psychology and Neuroscience, King’s College London, London, United Kingdom
| | - Frühling V. Rijsdijk
- Social, Genetic & Developmental Psychiatry Centre, Institute of Psychiatry, Psychology and Neuroscience, King’s College London, London, United Kingdom
- Psychology Department, Faculty of Social Sciences, Anton de Kom University, Paramaribo, Suriname
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13
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Nimmaanrat S, Thongkumdee W, Geater AF, Oofuvong M, Benjhawaleemas P. Is ABO Blood Group a Predictive Factor for the Amount of Opioid Consumption in the First 24 Hours After Cesarean Section? J Pain Res 2021; 14:3585-3592. [PMID: 34849016 PMCID: PMC8627328 DOI: 10.2147/jpr.s327230] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2021] [Accepted: 10/18/2021] [Indexed: 12/31/2022] Open
Abstract
Background Cesarean section is the most common major surgery performed globally. Blood group O has been found as a factor affecting pain severity after cesarean section. We aimed to evaluate the predictive factors, including ABO blood group, for the amount of opioid consumption (measured as milligrams of morphine equivalent [MME]) within the first 24 hrs after cesarean section. Methods This retrospective study was done in 1530 pregnant women who had a cesarean section under the same regimen of spinal anesthesia (2.2 mL of 0.5% hyperbaric bupivacaine and morphine 0.2 mg). All were prescribed regular paracetamol and ibuprofen for postoperative pain control. Univariate and multinomial regression analyses were performed to identify the predictive factors for opioid consumption in the first 24 hrs postoperatively. Results About 2/5 of them (43.3%) received 0 mg MME, while 25.6%, 23.7% and 7.4% received 1–5, 6–10 and >10 mg MME, respectively. The majority have blood group O (40.6%), while 23.4%, 28% and 8% have blood group A, B and AB, respectively. After univariate and multinomial regression analyses, operation time, opioid consumption in PACU, maximum VNRS within the first 24 hrs and consumption of both paracetamol and ibuprofen were identified as predictive factors for postoperative opioid consumption. ABO blood group exhibited no correlation for opioid requirement postoperatively. Conclusion ABO blood group is not a predictive factor for opioid requirement within the first 24 hrs following cesarean section. Duration of operation, opioid given in PACU, maximum VNRS on ward and consumption of both paracetamol and ibuprofen have been found to be predictive factors for postcesarean opioid requirement.
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Affiliation(s)
- Sasikaan Nimmaanrat
- Department of Anesthesiology, Faculty of Medicine, Prince of Songkla University, Hatyai, Songkhla, 90110, Thailand
| | - Withaporn Thongkumdee
- Department of Anesthesiology, Faculty of Medicine, Prince of Songkla University, Hatyai, Songkhla, 90110, Thailand
| | - Alan F Geater
- Epidemiology Unit, Faculty of Medicine, Prince of Songkla University, Hatyai, Songkhla, 90110, Thailand
| | - Maliwan Oofuvong
- Department of Anesthesiology, Faculty of Medicine, Prince of Songkla University, Hatyai, Songkhla, 90110, Thailand
| | - Pannawit Benjhawaleemas
- Department of Anesthesiology, Faculty of Medicine, Prince of Songkla University, Hatyai, Songkhla, 90110, Thailand
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14
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Cho C, Deol HK, Martin LJ. Bridging the Translational Divide in Pain Research: Biological, Psychological and Social Considerations. Front Pharmacol 2021; 12:603186. [PMID: 33935700 PMCID: PMC8082136 DOI: 10.3389/fphar.2021.603186] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2020] [Accepted: 02/22/2021] [Indexed: 12/29/2022] Open
Abstract
A gap exists between translating basic science research into effective pain therapies in humans. While preclinical pain research has primarily used animal models to understand biological processes, a lesser focus has been toward using animal models to fully consider other components of the pain experience, such as psychological and social influences. Herein, we provide an overview of translational studies within pain research by breaking them down into purely biological, psychological and social influences using a framework derived from the biopsychosocial model. We draw from a wide landscape of studies to illustrate that the pain experience is highly intricate, and every attempt must be made to address its multiple components and interactors to aid in fully understanding its complexity. We highlight our work where we have developed animal models to assess the cognitive and social effects on pain modulation while conducting parallel experiments in people that provide proof-of-importance for human pain modulation. In some instances, human pain research has sparked the development of novel animal models, with these animal models used to better understand the complexity of phenomena considered to be uniquely human such as placebo responses and empathy.
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Affiliation(s)
- Chulmin Cho
- Department of Psychology, University of Toronto Mississauga, Mississauga, ON, Canada
| | - Harashdeep K Deol
- Department of Psychology, University of Toronto Mississauga, Mississauga, ON, Canada
| | - Loren J Martin
- Department of Psychology, University of Toronto Mississauga, Mississauga, ON, Canada
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15
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Patasova K, Khawaja AP, Tamraz B, Williams KM, Mahroo OA, Freidin M, Solebo AL, Vehof J, Falchi M, Rahi JS, Hammond CJ, Hysi PG. Association Between Medication-Taking and Refractive Error in a Large General Population-Based Cohort. Invest Ophthalmol Vis Sci 2021; 62:15. [PMID: 33591358 PMCID: PMC7900881 DOI: 10.1167/iovs.62.2.15] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
Abstract
Purpose Refractive errors, particularly myopia, are common and a leading cause of blindness. This study aimed to explore associations between medications and refractive error in an aging adult cohort and to determine whether childhood-onset refractive errors predict future medication use to provide novel insights into disease mechanisms. Methods The study compared the spherical equivalent values measured in 102,318 UK Biobank participants taking the 960 most commonly used medications. The strengths of associations were evaluated against the self-reported age of spectacle wear. The causality of refractive error changes was inferred using sensitivity and Mendelian randomization analyses. Results Anti-glaucoma drugs were associated with 1 to 2 diopters greater myopic refraction, particularly in subjects who started wearing correction in the first two decades of life, potentially due to the association of higher intraocular pressure since early years with both myopia and, later in life, glaucoma. All classes of pain-control medications, including paracetamol, opiates, non-steroidal antiinflammatory drugs, and gabapentinoids, were associated with greater hyperopia (+0.68–1.15 diopters), after correction for deprivation, education, and polypharmacy and sensitivity analyses for common diagnoses. Oral hypoglycemics (metformin, gliburonide) were associated with myopia, as was allopurinol, and participants using bronchodilators (ipratropium and salbutamol) were more hyperopic. Conclusions This study finds for the first time, to our knowledge, that medication use is associated with refractive error in adults. The novel finding that analgesics are associated with hyperopic refraction, and the possibility that multisite chronic pain predisposes to hyperopia, deserves further research. Some drugs, such as antihyperglycemic or bronchodilators, may directly alter refractive error. Intraocular pressure appears causative for myopia.
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Affiliation(s)
- Karina Patasova
- Section of Ophthalmology, School of Life Course Sciences, King's College London, United Kingdom.,Department of Twin Research and Genetic Epidemiology, School of Life Course Sciences, King's College London, United Kingdom
| | - Anthony P Khawaja
- NIHR Biomedical Research Centre, Moorfields Eye Hospital NHS Foundation Trust and the UCL Institute of Ophthalmology, London, United Kingdom
| | - Bani Tamraz
- Department of Clinical Pharmacy, University of California San Francisco, San Francisco, California, United States
| | - Katie M Williams
- Section of Ophthalmology, School of Life Course Sciences, King's College London, United Kingdom.,Department of Twin Research and Genetic Epidemiology, School of Life Course Sciences, King's College London, United Kingdom.,NIHR Biomedical Research Centre, Moorfields Eye Hospital NHS Foundation Trust and the UCL Institute of Ophthalmology, London, United Kingdom.,Department of Ophthalmology, St Thomas' Hospital, Guy's and St Thomas' NHS Foundation Trust, London, United Kingdom.,Institute of Ophthalmology, University College London, London, United Kingdom
| | - Omar A Mahroo
- Section of Ophthalmology, School of Life Course Sciences, King's College London, United Kingdom.,Department of Twin Research and Genetic Epidemiology, School of Life Course Sciences, King's College London, United Kingdom.,NIHR Biomedical Research Centre, Moorfields Eye Hospital NHS Foundation Trust and the UCL Institute of Ophthalmology, London, United Kingdom.,Department of Ophthalmology, St Thomas' Hospital, Guy's and St Thomas' NHS Foundation Trust, London, United Kingdom.,Institute of Ophthalmology, University College London, London, United Kingdom
| | - Maxim Freidin
- Department of Twin Research and Genetic Epidemiology, School of Life Course Sciences, King's College London, United Kingdom
| | - Ameenat L Solebo
- UCL Great Ormond Street Hospital Institute of Child Health, London, United Kingdom
| | - Jelle Vehof
- Section of Ophthalmology, School of Life Course Sciences, King's College London, United Kingdom.,Department of Twin Research and Genetic Epidemiology, School of Life Course Sciences, King's College London, United Kingdom.,University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - Mario Falchi
- Department of Twin Research and Genetic Epidemiology, School of Life Course Sciences, King's College London, United Kingdom
| | - Jugnoo S Rahi
- Institute of Ophthalmology, University College London, London, United Kingdom.,Ulverscroft Vision Research Group, University College London, London, United Kingdom
| | - Chris J Hammond
- Section of Ophthalmology, School of Life Course Sciences, King's College London, United Kingdom.,Department of Twin Research and Genetic Epidemiology, School of Life Course Sciences, King's College London, United Kingdom
| | - Pirro G Hysi
- Section of Ophthalmology, School of Life Course Sciences, King's College London, United Kingdom.,Department of Twin Research and Genetic Epidemiology, School of Life Course Sciences, King's College London, United Kingdom.,UCL Great Ormond Street Hospital Institute of Child Health, London, United Kingdom
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16
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Cortes-Altamirano JL, Morraz-Varela A, Reyes-Long S, Gutierrez M, Bandala C, Clavijo-Cornejo D, Alfaro-Rodriguez A. Chemical Mediators' Expression Associated with the Modulation of Pain in Rheumatoid Arthritis. Curr Med Chem 2021; 27:6208-6218. [PMID: 31419924 DOI: 10.2174/0929867326666190816225348] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2019] [Revised: 07/12/2019] [Accepted: 07/18/2019] [Indexed: 11/22/2022]
Abstract
BACKGROUND The management of pain in patients with rheumatoid arthritis (RA) is a complex subject due to the autoimmune nature of the pathology. Studies have shown that chemical mediators play a fundamental role in the determination, susceptibility and modulation of pain at different levels of the central and peripheral nervous system, resulting in interesting novel molecular targets to mitigate pain in patients with RA. However, due to the complexity of pain physiology in RA cand the many chemical mediators, the results of several studies are controversial. OBJECTIVE The aim of this study was to identify the chemical mediators that are able to modulate pain in RA. METHOD In this review, a search was conducted on PubMed, ProQuest, EBSCO, and the Science Citation index for studies that evaluated the expression of chemical mediators on the modulation of pain in RA. RESULTS Few studies have highlighted the importance of the expression of some chemical mediators that modulate pain in patients with rheumatoid arthritis. The expression of TRPV1, ASIC-3, and TDV8 encode ionic channels in RA and modulates pain, likewise, the transcription factors in RA, such as TNFα, TGF-β1, IL-6, IL-10, IFN-γ, IL-1b, mTOR, p21, caspase 3, EDNRB, CGRPCALCB, CGRP-CALCA, and TAC1 are also directly involved in pain perception. CONCLUSION The expression of all chemical mediators is directly related to RA and the modulation of pain by a complex intra and extracellular signaling pathway, however, transcription factors are involved in modulating acute pain, while the ionic channels are involved in chronic pain in RA.
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Affiliation(s)
- José Luis Cortes-Altamirano
- Neuropharmacology, Departament of Neurosciences, Instituto Nacional de Rehabilitación “Luis Guillermo
Ibarra Ibarra”, Calzada México-Xochimilco 289, Col. Arenal de Guadalupe, Del. Tlalpan, 14389 Ciudad de
México, México,Department of Chiropractic, State University of the Valley of Ecatepec (UNEVE), Ecatepec de Morelos, Estado de México, México
| | - Abril Morraz-Varela
- Neuropharmacology, Departament of Neurosciences, Instituto Nacional de Rehabilitación “Luis Guillermo
Ibarra Ibarra”, Calzada México-Xochimilco 289, Col. Arenal de Guadalupe, Del. Tlalpan, 14389 Ciudad de
México, México
| | - Samuel Reyes-Long
- Neuropharmacology, Departament of Neurosciences, Instituto Nacional de Rehabilitación “Luis Guillermo
Ibarra Ibarra”, Calzada México-Xochimilco 289, Col. Arenal de Guadalupe, Del. Tlalpan, 14389 Ciudad de
México, México,Escuela Superior de Medicina, Instituto Politécnico Nacional (IPN), Ciudad de México, México
| | - Marwin Gutierrez
- División de Enfermedades Musculoesqueléticas y Reumáticas, Instituto Nacional de Rehabilitación “Luis Guillermo Ibarra Ibarra” (INR) Secretaría de Salud (SSA), Ciudad de México, México
| | - Cindy Bandala
- Neuropharmacology, Departament of Neurosciences, Instituto Nacional de Rehabilitación “Luis Guillermo
Ibarra Ibarra”, Calzada México-Xochimilco 289, Col. Arenal de Guadalupe, Del. Tlalpan, 14389 Ciudad de
México, México,Escuela Superior de Medicina, Instituto Politécnico Nacional (IPN), Ciudad de México, México
| | - Denise Clavijo-Cornejo
- División de Enfermedades Musculoesqueléticas y Reumáticas, Instituto Nacional de Rehabilitación “Luis Guillermo Ibarra Ibarra” (INR) Secretaría de Salud (SSA), Ciudad de México, México
| | - Alfonso Alfaro-Rodriguez
- Neuropharmacology, Departament of Neurosciences, Instituto Nacional de Rehabilitación “Luis Guillermo
Ibarra Ibarra”, Calzada México-Xochimilco 289, Col. Arenal de Guadalupe, Del. Tlalpan, 14389 Ciudad de
México, México
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Levitt AE, Galor A, Small L, Feuer W, Felix ER. Pain sensitivity and autonomic nervous system parameters as predictors of dry eye symptoms after LASIK. Ocul Surf 2021; 19:275-281. [PMID: 33096271 PMCID: PMC7867610 DOI: 10.1016/j.jtos.2020.10.004] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2020] [Revised: 10/14/2020] [Accepted: 10/19/2020] [Indexed: 11/28/2022]
Abstract
PURPOSE Differences in pain processing and autonomic function among patients have been implicated in the development of chronic pain after surgery. This study was designed to evaluate whether pain and autonomic metrics predict severity of chronic dry eye (DE) symptoms after LASIK, as there is increasing evidence that DE symptoms may be manifestations of persistent post-operative ocular pain. METHODS Secondary analysis of prospective randomized clinical trial. Patients were treated with either pregabalin or placebo. As no significant differences in DE symptoms were detected by treatment allocation at six months, all participants were grouped together for the present analyses. Subjects were evaluated pre-LASIK with regard to evoked pain sensitivity (utilizing quantitative sensory testing), autonomic metrics and DE and ocular pain symptoms (via validated questionnaires). Measures of DE and ocular pain were assessed post-LASIK, and the Dry Eye Questionnaire 5 (DEQ5) score 6-months after surgery was the primary outcome of interest. RESULTS 43 individuals were randomized to pregabalin (n = 21) or placebo (n = 22). 42 completed the 6-month visit. Several baseline autonomic metrics correlated with 6-month post-operative DEQ5 scores, including lower systolic (r -0.37, p = 0.02) and diastolic blood pressure (r -0.32, p = 0.04). Ocular pain at 6 months was also negatively correlated with blood pressure (r -0.31, p = 0.047). The presence of painful aftersensations was a significant predictor of chronic DE symptoms at 6 months (mean DEQ5 scores: 8.0 ± 1.9 versus 5.0 ± 5.0, p = 0.009). CONCLUSIONS Heightened parasympathetic tone and prolonged pain sensitivity measured prior to surgery predicted greater DE symptom severity 6 months after LASIK. TRIAL REGISTRATION NCT02701764.
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Affiliation(s)
| | - Anat Galor
- Bascom Palmer Eye Institute, University of Miami, Miami, FL, USA; Department of Ophthalmology, Miami Veterans Administration Medical Center, Miami, FL, USA.
| | - Leslie Small
- Bascom Palmer Eye Institute, University of Miami, Miami, FL, USA
| | - William Feuer
- Bascom Palmer Eye Institute, University of Miami, Miami, FL, USA
| | - Elizabeth R Felix
- Department of Physical Medicine & Rehabilitation, University of Miami, Miami, FL, USA; Research Service, Miami Veterans Administration Medical Center, Miami, FL, USA
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Genetic Variation as a Possible Explanation for the Heterogeneity of Pain in Tendinopathy: What can we learn from other pain syndromes? CENTRAL EUROPEAN JOURNAL OF SPORT SCIENCES AND MEDICINE 2021. [DOI: 10.18276/cej.2021.4-06] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
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Braga SP, Fiamengui LMSP, da Silveira VRS, Chaves HV, Furquim BD, Cunha CO, Repeke CEP, Conti PCR. Insights for temporomandibular disorders management: From psychosocial factors to genetics-A case report. SPECIAL CARE IN DENTISTRY 2020; 41:85-91. [PMID: 33152157 DOI: 10.1111/scd.12535] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2020] [Revised: 09/22/2020] [Accepted: 10/02/2020] [Indexed: 01/05/2023]
Abstract
AIMS This case report aimed to discuss the multifactorial etiology and also the management of temporomandibular disorders (TMD) by addressing important associated psychosocial and biological factors, emphasizing the interaction between these factors and a probable genetic predisposition. METHODS AND RESULTS A 21-year-old female patient was evaluated according to Research Diagnostic Criteria for TMD and diagnosed with arthralgia, myofascial pain, disc displacement without reduction, and temporomandibular joint (TMJ) degenerative disease. TMJ alterations were confirmed through magnetic resonance imaging and cone-beam computed tomography. Pressure pain threshold of masticatory structures was evaluated using a pressure algometer. Sleep bruxism, poor sleep quality, migraine with aura, mild anxiety, and history of facial trauma were also identified through anamnesis and clinical examination. Following this, genetic analysis was performed to evaluate the presence of single nucleotide polymorphisms (SNPs) already associated with TMD: SNP COMT Val158 Met (rs4680), MMP1-1607 (rs1799750), and tumor necrosis factor alpha-308 (rs1800629), which were all present. A personalized treatment for TMD management was performed, and it included self-management programs, occlusal appliance therapy, pharmacotherapy, anxiety management, and stress control. An 8-year follow-up demonstrated long-term stabilization of TMJ degenerative disease. CONCLUSION Genetic evaluation, added to anamnesis and clinical examination, could be useful for TMD prognosis and management.
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Cappoli N, Tabolacci E, Aceto P, Dello Russo C. The emerging role of the BDNF-TrkB signaling pathway in the modulation of pain perception. J Neuroimmunol 2020; 349:577406. [PMID: 33002723 DOI: 10.1016/j.jneuroim.2020.577406] [Citation(s) in RCA: 61] [Impact Index Per Article: 15.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2020] [Revised: 09/15/2020] [Accepted: 09/22/2020] [Indexed: 02/07/2023]
Abstract
The brain derived neurotrophic factor (BDNF) is a crucial neuromodulator in pain transmission both in peripheral and central nervous system (CNS). Despite evidence of a pro-nociceptive role of BDNF, recent studies have reported contrasting results, including anti-nociceptive and anti-inflammatory activities. Moreover, BDNF polymorphisms can interfere with BDNF role in pain perception. In Val66Met carriers, the Met allele may have a dual role, with anti-nociceptive actions in normal condition and pro-nociceptive effects during chronic pain. In order to elucidate the main effects of BDNF in nociception, we reviewed the main characteristics of this neurotrophin, focusing on its involvement in pain.
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Affiliation(s)
- Natalia Cappoli
- Università Cattolica del Sacro Cuore, Dipartimento di Sicurezza e Bioetica, Sezione di Farmacologia, Rome, Italy
| | - Elisabetta Tabolacci
- Università Cattolica del Sacro Cuore, Dipartimento di Scienze della Vita e Sanità Pubblica, Sezione di Medicina Genomica, Rome, Italy; Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome, Italy
| | - Paola Aceto
- Fondazione Policlinico Universitario A. Gemelli IRCCS, Dipartimento di Scienze dell'Emergenza, Anestesiologiche e della Rianimazione, Rome, Italy; Università Cattolica del Sacro Cuore, Dipartimento di Scienze biotecnologiche di base, cliniche intensivologiche e perioperatorie, Rome, Italy.
| | - Cinzia Dello Russo
- Università Cattolica del Sacro Cuore, Dipartimento di Sicurezza e Bioetica, Sezione di Farmacologia, Rome, Italy; Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome, Italy
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21
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Ropponen A, Mittendorfer-Rutz E, Svedberg P. Psychosocial working conditions, pain, mental disorders, and disability pension. ARCHIVES OF ENVIRONMENTAL & OCCUPATIONAL HEALTH 2020; 76:233-240. [PMID: 32951531 DOI: 10.1080/19338244.2020.1816882] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
We aimed to investigate associations between psychosocial working conditions and disability pension (DP), and the role of co-existing pain or common mental disorders (CMDs). Survey data collected 1998-2003 on 25,135 Swedish twins born 1935-1958 were linked with national DP register data until 2013. Psychosocial working conditions, pain and CMDs were analyzed by Cox proportional hazards regression models (hazard ratios with 95% confidence intervals). One unit increase in job demands or control was associated with a higher risk for DP due to musculoskeletal disorders. One unit decrease in job demands predicted lower risk of DP due to mental diagnoses. Co-existing pain or CMD played no role for associations of job demands with DP, but pain influenced the associations with DP due to mental diagnoses. To conclude, psychosocial working conditions play different roles for DP depending on the diagnoses.
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Affiliation(s)
- Annina Ropponen
- Division of Insurance Medicine, Department of Clinical Neuroscience, Karolinska Institutet, Stockholm, Sweden
- Finnish Institute of Occupational Health, Helsinki, Finland
| | - Ellenor Mittendorfer-Rutz
- Division of Insurance Medicine, Department of Clinical Neuroscience, Karolinska Institutet, Stockholm, Sweden
| | - Pia Svedberg
- Division of Insurance Medicine, Department of Clinical Neuroscience, Karolinska Institutet, Stockholm, Sweden
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22
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Abstract
Experimental and clinical acute pain research in relation to biological sex and genetics started in the 1980s. Research methods became more powerful and sensitive with the advancement in affordable gene sequencing methods and high-throughput genetic assays. Decades of research has identified several potential pharmaceutical targets, providing insights into future research direction, and understanding of acute pain and opioid analgesic effects in the clinical setting. However, there is insufficient evidence to make generalized recommendations for using genetic tests for clinical practice of acute pain management.
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Affiliation(s)
- Albert Hyukjae Kwon
- Department of Anesthesiology, Perioperative, and Pain Medicine, Stanford University School of Medicine, 300 Pasteur Drive, Room H3580, Stanford, CA 94305, USA
| | - Pamela Flood
- Department of Anesthesiology, Perioperative, and Pain Medicine, Stanford University School of Medicine, 300 Pasteur Drive, Room H3580, Stanford, CA 94305, USA.
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Ho KWD, Wallace MR, Staud R, Fillingim RB. OPRM1, OPRK1, and COMT genetic polymorphisms associated with opioid effects on experimental pain: a randomized, double-blind, placebo-controlled study. THE PHARMACOGENOMICS JOURNAL 2020; 20:471-481. [PMID: 31806881 PMCID: PMC7260086 DOI: 10.1038/s41397-019-0131-z] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/21/2019] [Revised: 11/11/2019] [Accepted: 11/20/2019] [Indexed: 01/13/2023]
Abstract
Genetic polymorphisms have been shown to affect opioid requirement for pain relief. However, true genetic effect is often difficult to assess due to underlying pain conditions and placebo effects. The goal of this study was to understand how common polymorphisms affect opioid effects while controlling for these factors. A randomized, double-blind, placebo-controlled study was implemented to assess how opioid effects are modulated by COMT (rs6269, rs4633, rs4848, rs4680), OPRM1 (A118G), and OPRK1 (rs1051660, rs702764, rs16918875). One hundred and eight healthy subjects underwent experimental pain testing before and after morphine, butorphanol, and placebo (saline). Association analysis was performed between polymorphisms/haplotypes and opioid response, while correcting for race, gender, placebo effects, and multiple comparisons. Pressure pain was significantly associated with rs6269 and rs4633 following butorphanol. The AA genotype of rs4680 or A_T_C_A/ A_T_C_A (rs6269_rs4633_ rs4818_rs4680) diplotype of COMT, combined with the AG genotype of OPRM1 A118G, showed significantly increased pressure pain threshold from butorphanol. Opioid effects on pressure, ischemic, heat pain, and side effects were nominally associated with several SNPs and haplotypes. Effects were often present in one opioid but not the other. This indicates that these polymorphisms affect pain relief from opioids, and that their effects are opioid and pain modality specific.
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Affiliation(s)
- Kwo Wei David Ho
- Department of Anesthesiology, Perioperative and Pain Medicine, Division of Pain Medicine, Stanford University, Redwood City, CA, USA.
- Department of Neurology, University of Florida, Gainesville, FL, USA.
| | - Margaret R Wallace
- Department of Molecular Genetics & Microbiology, and UF Genetics Institute, University of Florida, Gainesville, FL, USA
| | - Roland Staud
- Department of Medicine, University of Florida, Gainesville, FL, USA
| | - Roger B Fillingim
- Department of Community Dentistry and Behavioral Science, University of Florida, Gainesville, FL, USA
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24
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Lim G, LaSorda KR, Farrell LM, McCarthy AM, Facco F, Wasan AD. Obstetric pain correlates with postpartum depression symptoms: a pilot prospective observational study. BMC Pregnancy Childbirth 2020; 20:240. [PMID: 32321455 PMCID: PMC7178606 DOI: 10.1186/s12884-020-02943-7] [Citation(s) in RCA: 40] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2019] [Accepted: 04/13/2020] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Data linking labor pain and postpartum depression are emerging. Robust, prospective evaluations of this relationship while factoring other important variables are lacking. We assessed perinatal pain and other factors predicting postpartum depression (PPD) symptoms. METHODS Third trimester women, stratified by a priori plan to receive or avoid labor epidural analgesia, were longitudinally followed from the prenatal period through labor and delivery, until 6 weeks and 3 months postpartum. Electronic pain data was collected hourly during labor in real time, capturing pain unpleasantness, intensity, pain management satisfaction, and expectations. Prenatal and postpartum data included anxiety, depression, the Brief Pain Inventory (BPI), pain catastrophizing, resiliency, and perceived social support and stress. The primary outcome was Edinburgh Postnatal Depression Score (EPDS) as a marker of PPD symptoms. The primary pain variable of interest was labor pain emotional valence (unpleasantness burden, area under the curve for entire labor duration). Single and multivariable linear regressions examined perinatal pain variables in relation to EPDS. RESULTS Of 72 subjects included, 55 planned/received labor epidural analgesia and 17 planned avoidance/avoided it. In the planned epidural group, the emotional valence of labor pain independently predicted six-week EPDS (labor pain unpleasantness burden, R2 = 0.42, P = 0.002). In addition to labor pain, prenatal and postpartum pain variables from the BPI independently predicted six-week EPDS. Three-month depression scores were linked to labor and acute pain (6 weeks postpartum), but not to chronic (3 months postpartum) pain variables. Intrapartum pain management satisfaction and expectations were largely met or exceeded and did not differ between analgesia groups. CONCLUSION For susceptible women, pain at all perinatal time points-prenatal, labor, and postpartum-appear to be independently linked to depression scores at 6 weeks postpartum. The relationships are true, even though satisfaction and expectations regarding labor pain management were met or exceeded. These data support the concept that labor and acute postpartum pain influences both acute and long-term PPD symptoms, although additional data are needed to assess how analgesia preference interacts with these relationships.
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Affiliation(s)
- Grace Lim
- Department of Anesthesiology and Perioperative Medicine, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA. .,Department of Obstetrics, Gynecology & Reproductive Sciences, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA. .,Magee-Womens Research Institute, Pittsburgh, PA, USA. .,UPMC Magee-Womens Hospital, 300 Halket Street, Suite 3510, Pittsburgh, PA, 15213, USA.
| | - Kelsea R LaSorda
- Department of Anesthesiology and Perioperative Medicine, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA
| | - Lia M Farrell
- Department of Anesthesiology and Perioperative Medicine, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA
| | - Ann M McCarthy
- The Midwife Center for Birth and Womens Health, Pittsburgh, PA, USA
| | - Francesca Facco
- Department of Obstetrics, Gynecology & Reproductive Sciences, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA.,Magee-Womens Research Institute, Pittsburgh, PA, USA
| | - Ajay D Wasan
- Department of Anesthesiology and Perioperative Medicine, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA.,Pittsburgh Center for Pain Medicine, University of Pittsburgh, Pittsburgh, PA, USA.,Department of Psychiatry, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA
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25
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Rezaei Tavirani M, Rezaei Tavirani S, Zadeh-Esmaeel MM, Ali Ahmadi N. Introducing Critical Pain-related Genes: A System Biology Approach. Basic Clin Neurosci 2020; 10:401-408. [PMID: 32231777 PMCID: PMC7101522 DOI: 10.32598/bcn.9.10.310] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2018] [Revised: 09/29/2018] [Accepted: 01/10/2019] [Indexed: 12/02/2022] Open
Abstract
Introduction: Pain is valuable in diagnosis and also warning of the patients. Many molecular reagents are introduced which are related to pain. In this research, the pain-related genes are screened to identify the critical ones. Methods: First, the pain-related genes were pulling out from the STRING database, and Cytoscape software was used to make the interactome unit. Then the central genes and their neighbors were analyzed. Finally, the genes were clustered, and the essential genes were introduced. Results: After analyzing 159 genes of the network, FOS, IL6, TNF, TAC1, IL8, and KNG1 were identified as the essential genes. Further analysis revealed that 88 genes are directly connected to the central genes. More resolution led to ignoring TNF and IL8 and considering SCN-alpha and PAICS as additional critical nodes. Conclusion: Six critical genes related to pain were identified. They can be potentially considered as new drug targets. Further investigation is required to introduce the central genes as a pain killer.
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Affiliation(s)
| | - Sina Rezaei Tavirani
- Proteomics Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | | | - Nayeb Ali Ahmadi
- Proteomics Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
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26
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Bayartai ME, Kobayashi S, Ferreira PH, Pappas E, Pinheiro MB, Sullivan J. Heritability of motion in healthy people: A systematic review and multi-level meta-analysis. Phys Ther Sport 2020; 43:8-18. [PMID: 32044525 DOI: 10.1016/j.ptsp.2020.01.016] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2019] [Revised: 12/20/2019] [Accepted: 01/31/2020] [Indexed: 10/25/2022]
Affiliation(s)
| | - Sarah Kobayashi
- Faculty of Health Sciences, The University of Sydney, Australia
| | | | | | | | - Justin Sullivan
- Faculty of Health Sciences, The University of Sydney, Australia
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27
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Lin HP, Ho KWD, Jerath NU. Late onset CMT2A in a Family with an MFN2 Variant: c.2222T>G (p.Leu741Trp). J Neuromuscul Dis 2019; 6:259-261. [PMID: 31127728 DOI: 10.3233/jnd-190384] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Mutations in MFN2 cause a range of Charcot-Marie-Tooth disease (CMT) phenotypes with different inheritance patterns and underlying pathogenic mechanisms. Recently, a family with a dominantly inherited CMT harboring c.2222T>G (p.Leu741Trp) mutation in MFN2 has been reported for the first time. Here, we report a second family also with a dominantly inherited CMT harboring the same mutation, thereby confirming the pathogenicity of this mutation. Interestingly, the disease onset of this second family is much later than the previously reported cases.
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Affiliation(s)
- Hsin-Pin Lin
- Department of Neurology, University of Florida, Gainesville, FL, USA
| | - Kwo Wei David Ho
- Department of Neurology, University of Florida, Gainesville, FL, USA
| | - Nivedita U Jerath
- Department of Neurology, University of Florida, Gainesville, FL, USA.,Department of Neurology, University of Iowa, Iowa City, IA, USA
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28
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Powell-Roach KL, Yao Y, Jhun EH, He Y, Suarez ML, Ezenwa MO, Molokie RE, Wang ZJ, Wilkie DJ. Vasopressin SNP pain factors and stress in sickle cell disease. PLoS One 2019; 14:e0224886. [PMID: 31710639 PMCID: PMC6844466 DOI: 10.1371/journal.pone.0224886] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2019] [Accepted: 10/23/2019] [Indexed: 11/25/2022] Open
Abstract
PURPOSE Frequencies of single nucleotide polymorphisms (SNPs) from pain related candidate genes are available for individuals with sickle cell disease (SCD). One of those genes, the arginine vasopressin receptor 1A gene (AVPR1A) and one of its SNPs, rs10877969, has been associated with pain and disability in other pain populations. In patients with SCD, clinical factors such as pain and stress have been associated with increased health care utilization, but it is not known if the presence of the AVPR1A SNP plays a role in this observation. The study purpose was to explore the relationships between rs10877969 and self-reported pain, stress, and acute care utilization events among individuals with SCD. METHODS In a cross-sectional investigation of outpatients with SCD, participants completed PAINReportIt®, a computerized pain measure, to describe their pain experience and contributed blood or saliva samples for genetic analysis. We extracted emergency department and acute care utilization from medical records. RESULTS The SNP genotype frequencies (%) for this sample were CC 30 (28%), CT 44 (41%), TT 33 (31%). Acute care utilization and stress as an aggravator of pain were significantly associated with the rs10877969 genotype (p = .02 and p = .002, respectively). The CT genotype had the highest mean utilization and CC genotype was associated with not citing stress as a pain aggravator. Chronic pain was not associated with rs10877969 (p = .41). CONCLUSION This study shows that rs10877969 is related to indicators of stress and acute pain. Further research is recommended with other measures of stress and acute pain.
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Affiliation(s)
- Keesha L. Powell-Roach
- Department of Community Dentistry and Behavioral Science, College of Dentistry, University of Florida, Gainesville, Florida, United States of America
- Center for Palliative Care Research and Education, University of Florida College of Nursing, Gainesville, Florida, United States of America
| | - Yingwei Yao
- Department of Biobehavioral Nursing Science, University of Florida College of Nursing, Gainesville, Florida, United States of America
- Department of Biobehavioral Health Sciences, University of Illinois at Chicago College of Nursing, Chicago, Illinois, United States of America
| | - Ellie H. Jhun
- Committee on Clinical Pharmacology and Pharmacogenetics, University of Chicago, Chicago, Illinois, United States of America
- Department of Biopharmaceutical Sciences, University of Illinois at Chicago, Chicago, Illinois, United States of America
| | - Ying He
- Department of Biopharmaceutical Sciences, University of Illinois at Chicago, Chicago, Illinois, United States of America
- Cancer Center, University of Illinois at Chicago, Chicago, Illinois, United States of America
| | - Marie L. Suarez
- Department of Biobehavioral Health Sciences, University of Illinois at Chicago College of Nursing, Chicago, Illinois, United States of America
| | - Miriam O. Ezenwa
- Department of Biobehavioral Nursing Science, University of Florida College of Nursing, Gainesville, Florida, United States of America
| | - Robert E. Molokie
- Department of Biopharmaceutical Sciences, University of Illinois at Chicago, Chicago, Illinois, United States of America
- Division of Hematology/Oncology, University of Illinois at Chicago College of Medicine, Chicago, Illinois, United States of America
- Jessie Brown Veteran’s Administration Medical Center, Chicago, Illinois, United States of America
| | - Zaijie Jim Wang
- Department of Biopharmaceutical Sciences, University of Illinois at Chicago, Chicago, Illinois, United States of America
- Cancer Center, University of Illinois at Chicago, Chicago, Illinois, United States of America
| | - Diana J. Wilkie
- Center for Palliative Care Research and Education, University of Florida College of Nursing, Gainesville, Florida, United States of America
- Department of Biobehavioral Nursing Science, University of Florida College of Nursing, Gainesville, Florida, United States of America
- Department of Biobehavioral Health Sciences, University of Illinois at Chicago College of Nursing, Chicago, Illinois, United States of America
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29
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Bonato LL, Quinelato V, de Felipe Cordeiro PC, Vieira AR, Granjeiro JM, Tesch R, Casado PL. Polymorphisms in COMT, ADRB2 and HTR1A genes are associated with temporomandibular disorders in individuals with other arthralgias. Cranio 2019; 39:351-361. [PMID: 31264537 DOI: 10.1080/08869634.2019.1632406] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Abstract
Objective: To evaluate the association between polymorphisms in genes and comorbid presence of arthralgias and TMD.Methods: This is a case-control study. The groups formed were individuals with chronic arthralgia and 1) myofascial pain (n = 42); 2) articular (n = 16); 3) multiple diagnoses (n = 69); 4) with TMD and without some other arthralgia (n = 16); 5) without TMD but with pain in other joints (n = 82); and 6) a control group (n = 72). SNPs in COMT, ADRB2, and HTR1A genes were investigated.Results: The CT genotype for the COMT (rs9332377) gene was associated with the absence of myofascial pain (p = .05). In the ADRB2 (rs1042713) gene, the AA genotype was associated with the absence of myofascial pain (p = .03).Discussion: This study supports the hypothesis that alterations in the COMT, ADRB2, and HTR1A genes influence the presence of chronic pain and TMD.
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Affiliation(s)
| | | | | | - Alexandre Rezende Vieira
- Departments of Oral Biology and Pediatric Dentistry, School of Dental Medicine, University of Pittsburgh, Pittsburgh, PA, USA
| | - José Mauro Granjeiro
- Federal University, Niterói, RJ, Brazil.,National Institute of Metrology, Quality and Technology, Rio de Janeiro, RJ, Brazil.,Cell Therapy Center, Clinical Research Unit and Biology Institute, Fluminense Federal University, Niterói, Rio de Janeiro, Brazil
| | - Ricardo Tesch
- Temporomandibular Disorders and Orofacial Pain Clinic, School of Medicine of Petrópolis, Petrópolis, Rio de Janeiro, Brazil
| | - Priscila Ladeira Casado
- Department of Periodontics, Fluminense Federal University (UFF), Niterói, Rio de Janeiro, Brazil
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Pharmacogenetic Testing in Acute and Chronic Pain: A Preliminary Study. ACTA ACUST UNITED AC 2019; 55:medicina55050147. [PMID: 31100953 PMCID: PMC6572509 DOI: 10.3390/medicina55050147] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2019] [Revised: 04/01/2019] [Accepted: 05/13/2019] [Indexed: 01/18/2023]
Abstract
Background and Objectives: Pain is one of the most common symptoms that weighs on life’s quality and health expenditure. In a reality where increasingly personalized therapies are needed, the early use of genetic tests that highlights the individual response to analgesic drugs could be a valuable help in clinical practice. The aim of this preliminary study is to observe if the therapy set to 5 patients suffering of chronic or acute pain is concordant to the Pharmacogenetic test (PGT) results. Materials and Methods: This preliminary study compares the genetic results of pharmacological effectiveness and tolerability analyzed by the genetic test Neurofarmagen Analgesia®, with the results obtained in clinical practice of 5 patients suffering from acute and chronic pain. Results: Regarding the genetic results of the 5 samples analyzed, 2 reports were found to be completely comparable with the evidences of the clinical practice, while in 3 reports the profile of tolerability and effectiveness were partially discordant. Conclusion: In light of the data not completely overlapping with results observed in clinical practice, further studies would be appropriate in order to acquire more information on the use of Neurofarmagen in routine clinical settings.
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31
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Ho KWD, Rempe T, Jerath N, Antony A. Dorsal Root Ganglion Stimulation as a Potentially Effective Treatment for Painful Hereditary and Idiopathic Axonal Polyneuropathy: A Retrospective Case Series. Neuromodulation 2019; 23:234-238. [DOI: 10.1111/ner.12924] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2018] [Revised: 12/05/2018] [Accepted: 01/02/2019] [Indexed: 11/29/2022]
Affiliation(s)
| | - Torge Rempe
- Department of NeurologyUniversity of Florida Gainesville FL USA
| | - Nivedita Jerath
- Department of NeurologyUniversity of Florida Gainesville FL USA
| | - Ajay Antony
- Department of Anesthesiology, Pain MedicineUniversity of Florida Gainesville FL USA
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32
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Ho KWD, Jerath NU. T118M Variant of PMP22 Gene Presents with Painful Peripheral Neuropathy and Varying Charcot-Marie-Tooth Features: A Case Series and Review of the Literature. Case Rep Genet 2018; 2018:2618071. [PMID: 30675404 PMCID: PMC6323496 DOI: 10.1155/2018/2618071] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2018] [Revised: 11/07/2018] [Accepted: 12/09/2018] [Indexed: 11/18/2022] Open
Abstract
The clinical effect of T118M variant of the PMP22 gene has been controversial. Several studies have suggested that it may be autosomal recessive, partial loss of function, or a benign variant. Here we report three cases in further support that the T118M variant of the PMP22 gene is a partial loss of function variant. These three unrelated cases were heterozygotes with the T118M variant of the PMP22 gene. All three cases presented with painful peripheral neuropathy and varying degrees of Charcot-Marie-Tooth exam features. Electrophysiological studies revealed polyneuropathy with axonal and demyelinating features in one case, but there were minimal electrophysiological changes in the other two cases. We propose that the T118M variant can cause painful peripheral neuropathy, which may be an underrecognized feature of this variant.
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33
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Individual differences in pain: understanding the mosaic that makes pain personal. Pain 2018; 158 Suppl 1:S11-S18. [PMID: 27902569 DOI: 10.1097/j.pain.0000000000000775] [Citation(s) in RCA: 292] [Impact Index Per Article: 48.7] [Reference Citation Analysis] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
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34
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Effect of cultural background and healthcare environment on postoperative opioid requirement. Can J Anaesth 2018; 66:309-317. [PMID: 30535667 DOI: 10.1007/s12630-018-01267-7] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2018] [Revised: 10/07/2018] [Accepted: 11/14/2018] [Indexed: 10/27/2022] Open
Abstract
PURPOSE The objective of this prospective observational study was to investigate the interactions between cultural background, healthcare environment, and postoperative pain experience. METHODS We enrolled 128 Chinese patients living in rural mainland China and 134 patients in Hong Kong with a higher level of Western cultural influences (defined by educational attainment, place of residence, and ability to understand English). All patients had major abdominal surgery and received patient-controlled analgesia with intravenous morphine for postoperative pain relief. The primary endpoint was total opioid requirement up to 48 hr after surgery. Other measures included pain intensity, opioid-related side effects, and genetic markers for opioid responsiveness. RESULTS The mean (95% confidence interval) cumulative opioid requirement, expressed as morphine equivalent, during the first 48 hr after surgery was significantly less in patients from mainland China (18.8 [15.7 to 22] mg) compared with patients from Hong Kong (42.0 [38.3 to 45.6] mg, P < 0.0001). In a multivariable analysis, opioid requirement was influenced by ethnicity, duration of surgery, and severity of pain upon admission to the postanesthetic care unit. CONCLUSIONS These results suggest that postoperative pain behaviours and opioid requirement may be influenced by cultural background and healthcare environment in two populations of Chinese descent. TRIAL REGISTRATION Australian and New Zealand Clinical Trials Registry (ACTRN12614000601639); registered 6 May, 2014.
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35
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Pan F, Jones G. Clinical Perspective on Pain and Pain Phenotypes in Osteoarthritis. Curr Rheumatol Rep 2018; 20:79. [DOI: 10.1007/s11926-018-0796-3] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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36
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V144D Mutation of SPTLC1 Can Present with Both Painful and Painless Phenotypes in Hereditary Sensory and Autonomic Neuropathies Type I. Case Rep Genet 2018; 2018:1898151. [PMID: 30420926 PMCID: PMC6211148 DOI: 10.1155/2018/1898151] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2018] [Accepted: 10/01/2018] [Indexed: 11/18/2022] Open
Abstract
Hereditary sensory and autonomic neuropathy type I (HSAN I) is an autosomal dominant disease characterized by distal sensory loss, pain insensitivity, and autonomic disturbances. The major underlying causes of HSAN I are point mutations in the SPTLC1 gene. Patients with mutations in the SPTLC1 genes typically exhibit dense sensory loss and incidence of lancinating pain. Although most of these mutations produce sensory loss, it is unclear which mutations would lead to the painful phenotype. In this case series, we report that the V144D mutation in SPTLC1 gene may relate to both painful and painless peripheral neuropathies. The unique clinical phenotype of this mutation may guide clinical workup and treatment for patients with painful and painless neuropathies.
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37
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Kringel D, Kaunisto MA, Lippmann C, Kalso E, Lötsch J. Development of an AmpliSeq TM Panel for Next-Generation Sequencing of a Set of Genetic Predictors of Persisting Pain. Front Pharmacol 2018; 9:1008. [PMID: 30283335 PMCID: PMC6156278 DOI: 10.3389/fphar.2018.01008] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2018] [Accepted: 08/17/2018] [Indexed: 12/21/2022] Open
Abstract
Background: Many gene variants modulate the individual perception of pain and possibly also its persistence. The limited selection of single functional variants is increasingly being replaced by analyses of the full coding and regulatory sequences of pain-relevant genes accessible by means of next generation sequencing (NGS). Methods: An NGS panel was created for a set of 77 human genes selected following different lines of evidence supporting their role in persisting pain. To address the role of these candidate genes, we established a sequencing assay based on a custom AmpliSeqTM panel to assess the exomic sequences in 72 subjects of Caucasian ethnicity. To identify the systems biology of the genes, the biological functions associated with these genes were assessed by means of a computational over-representation analysis. Results: Sequencing generated a median of 2.85 ⋅ 106 reads per run with a mean depth close to 200 reads, mean read length of 205 called bases and an average chip loading of 71%. A total of 3,185 genetic variants were called. A computational functional genomics analysis indicated that the proposed NGS gene panel covers biological processes identified previously as characterizing the functional genomics of persisting pain. Conclusion: Results of the NGS assay suggested that the produced nucleotide sequences are comparable to those earned with the classical Sanger sequencing technique. The assay is applicable for small to large-scale experimental setups to target the accessing of information about any nucleotide within the addressed genes in a study cohort.
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Affiliation(s)
- Dario Kringel
- Institute of Clinical Pharmacology, Goethe-University, Frankfurt, Germany
| | - Mari A Kaunisto
- Institute for Molecular Medicine Finland, HiLIFE, University of Helsinki, Helsinki, Finland
| | - Catharina Lippmann
- Fraunhofer Institute for Molecular Biology and Applied Ecology - Project Group Translational Medicine and Pharmacology, Frankfurt, Germany
| | - Eija Kalso
- Division of Pain Medicine, Department of Anesthesiology, Intensive Care and Pain Medicine, University of Helsinki and Helsinki University Hospital, Helsinki, Finland
| | - Jörn Lötsch
- Institute of Clinical Pharmacology, Goethe-University, Frankfurt, Germany.,Fraunhofer Institute for Molecular Biology and Applied Ecology - Project Group Translational Medicine and Pharmacology, Frankfurt, Germany
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Mosley SA, Hicks JK, Portman DG, Donovan KA, Gopalan P, Schmit J, Starr J, Silver N, Gong Y, Langaee T, Clare-Salzler M, Starostik P, Chang YD, Rajasekhara S, Smith JE, Soares HP, George TJ, McLeod HL, Cavallari LH. Design and rational for the precision medicine guided treatment for cancer pain pragmatic clinical trial. Contemp Clin Trials 2018; 68:7-13. [PMID: 29535047 PMCID: PMC5899651 DOI: 10.1016/j.cct.2018.03.001] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2017] [Revised: 03/05/2018] [Accepted: 03/05/2018] [Indexed: 11/23/2022]
Abstract
INTRODUCTION Pain is one of the most burdensome symptoms associated with cancer and its treatment, and opioids are the cornerstone of pain management. Opioid therapy is empirically selected, and patients often require adjustments in therapy to effectively alleviate pain or ameliorate adverse drug effects that interfere with quality of life. There are data suggesting CYP2D6 genotype may contribute to inter-patient variability in response to opioids through its effects on opioid metabolism. Therefore, we aim to determine if CYP2D6 genotype-guided opioid prescribing results in greater reductions in pain and symptom severity and interference with daily living compared to a conventional prescribing approach in patients with cancer. METHODS Patients with solid tumors with metastasis and a self-reported pain score ≥ 4/10 are eligible for enrollment and randomized to a genotype-guided or conventional pain management strategy. For patients in the genotype-guided arm, CYP2D6 genotype information is integrated into opioid prescribing decisions. Patients are asked to complete questionnaires regarding their pain, symptoms, and quality of life at baseline and 2, 4, 6, and 8 weeks after enrollment. The primary endpoint is differential change in pain severity by treatment strategy (genotype-guided versus conventional pain management). Secondary endpoints include change in pain and symptom interference with daily living. CONCLUSION Pharmacogenetic-guided opioid selection for cancer pain management has potential clinical utility, but current evidence is limited to retrospective and observational studies. Precision Medicine Guided Treatment for Cancer Pain is a pragmatic clinical trial that seeks to determine the utility of CYP2D6 genotype-guided opioid prescribing in patients with cancer.
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Affiliation(s)
- Scott A Mosley
- Department of Pharmacotherapy and Translational Research, College of Pharmacy, University of Florida, Gainesville, FL, USA; Center for Pharmacogenomics, University of Florida, Gainesville, FL, USA
| | - J Kevin Hicks
- DeBartolo Family Personalized Medicine Institute, Department of Individualized Cancer Management, H. Lee Moffitt Cancer Center and Research Institute, Tampa, FL, USA
| | - Diane G Portman
- Department of Supportive Care Medicine, H. Lee Moffitt Cancer Center and Research Institute, Tampa, FL, USA
| | - Kristine A Donovan
- Department of Supportive Care Medicine, H. Lee Moffitt Cancer Center and Research Institute, Tampa, FL, USA
| | - Priya Gopalan
- Department of Medicine, College of Medicine, University of Florida, Gainesville, FL, USA
| | - Jessica Schmit
- Department of Medicine, College of Medicine, University of Florida, Gainesville, FL, USA
| | - Jason Starr
- Department of Medicine, College of Medicine, University of Florida, Gainesville, FL, USA
| | - Natalie Silver
- Department of Otolaryngology, College of Medicine, University of Florida, Gainesville, FL, USA
| | - Yan Gong
- Department of Pharmacotherapy and Translational Research, College of Pharmacy, University of Florida, Gainesville, FL, USA; Center for Pharmacogenomics, University of Florida, Gainesville, FL, USA
| | - Taimour Langaee
- Department of Pharmacotherapy and Translational Research, College of Pharmacy, University of Florida, Gainesville, FL, USA; Center for Pharmacogenomics, University of Florida, Gainesville, FL, USA
| | - Michael Clare-Salzler
- Department of Medicine, College of Medicine, University of Florida, Gainesville, FL, USA; Department of Pathology, Immunology & Laboratory Medicine, College of Medicine, University of Florida, Gainesville, FL, USA
| | - Petr Starostik
- Department of Pathology, Immunology & Laboratory Medicine, College of Medicine, University of Florida, Gainesville, FL, USA
| | - Young D Chang
- Department of Supportive Care Medicine, H. Lee Moffitt Cancer Center and Research Institute, Tampa, FL, USA
| | - Sahana Rajasekhara
- Department of Supportive Care Medicine, H. Lee Moffitt Cancer Center and Research Institute, Tampa, FL, USA
| | - Joshua E Smith
- Department of Supportive Care Medicine, H. Lee Moffitt Cancer Center and Research Institute, Tampa, FL, USA
| | - Heloisa P Soares
- Department of Gastrointestinal Oncology, H. Lee Moffitt Cancer Center and Research Institute, Tampa, FL, USA
| | - Thomas J George
- Department of Medicine, College of Medicine, University of Florida, Gainesville, FL, USA
| | - Howard L McLeod
- DeBartolo Family Personalized Medicine Institute, Department of Individualized Cancer Management, H. Lee Moffitt Cancer Center and Research Institute, Tampa, FL, USA
| | - Larisa H Cavallari
- Department of Pharmacotherapy and Translational Research, College of Pharmacy, University of Florida, Gainesville, FL, USA; Center for Pharmacogenomics, University of Florida, Gainesville, FL, USA; Clinical and Translational Science Institute, University of Florida, Gainesville, FL, USA.
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Häggman-Henrikson B, Wiesinger B, Wänman A. The effect of supervised exercise on localized TMD pain and TMD pain associated with generalized pain. Acta Odontol Scand 2018; 76:6-12. [PMID: 28870137 DOI: 10.1080/00016357.2017.1373304] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Abstract
OBJECTIVES To evaluate the effect of a supervised exercise program in patients with localized/regional temporomandibular disorder (TMD) pain and with TMD associated with generalized pain. MATERIAL AND METHODS Consecutively referred patients with localized/regional TMD pain (n = 56; 46 women and 10 men, mean age 44 years) and TMD associated with generalized pain (n = 21; 21 women, mean age 41 years) participated. Patients underwent a 10-session structured supervised exercise program over 10-20 weeks that included relaxation, and coordination and resistance training of the jaw and neck/shoulders. The outcomes were jaw pain intensity on the Numerical Rating Scale, endurance time for jaw opening and protrusion against resistance and chewing, and effect of pain on daily activities. RESULTS After the exercise program, a reduction in jaw pain was reported by the local (p = .001) and general (p = .011) pain groups. There were no significant differences in jaw pain intensity between the groups, before (p = .062) or after treatment (p = .121). Endurance time increased for both groups for jaw opening/protrusion (both p < .001) and chewing (both p = .002). The effect of jaw pain on daily activities decreased after exercise compared to baseline for both the local (p < .001) and general (p = .008) pain groups. CONCLUSIONS Supervised exercise can reduce TMD pain and increase capacity in patients with TMD. The results suggest that activation of the jaw motor system with exercise has a positive effect in patients with localized/regional TMD pain and TMD associated with generalized pain.
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Affiliation(s)
- Birgitta Häggman-Henrikson
- Department of Odontology/Clinical Oral Physiology, Umeå University, Umeå, Sweden
- Department of Orofacial pain and Jaw function, Malmö University, Malmö, Sweden
| | - Birgitta Wiesinger
- Department of Odontology/Clinical Oral Physiology, Umeå University, Umeå, Sweden
- Department of Research and Development, Västernorrland County Council, Umeå University, Umeå, Sweden
| | - Anders Wänman
- Department of Odontology/Clinical Oral Physiology, Umeå University, Umeå, Sweden
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Mercuri LG. Temporomandibular Joint Disorder Management in Oral and Maxillofacial Surgery. J Oral Maxillofac Surg 2017; 75:927-930. [DOI: 10.1016/j.joms.2016.10.033] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2016] [Revised: 10/24/2016] [Accepted: 10/25/2016] [Indexed: 11/28/2022]
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The Transition of Acute Postoperative Pain to Chronic Pain: An Integrative Overview of Research on Mechanisms. THE JOURNAL OF PAIN 2017; 18:359.e1-359.e38. [DOI: 10.1016/j.jpain.2016.11.004] [Citation(s) in RCA: 180] [Impact Index Per Article: 25.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/25/2016] [Revised: 10/15/2016] [Accepted: 11/16/2016] [Indexed: 01/01/2023]
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Bjorland S, Moen A, Schistad E, Gjerstad J, Røe C. Genes associated with persistent lumbar radicular pain; a systematic review. BMC Musculoskelet Disord 2016; 17:500. [PMID: 27964712 PMCID: PMC5154161 DOI: 10.1186/s12891-016-1356-5] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/12/2016] [Accepted: 12/01/2016] [Indexed: 01/23/2023] Open
Abstract
Background The aim of the present study was to provide an overview of the literature addressing the role of genetic factors and biomarkers predicting pain recovery in newly diagnosed lumbar radicular pain (LRP) patients. Methods The search was performed in Medline OVID, Embase, PsycInfo and Web of Science (2004 to 2015). Only prospective studies of patients with LRP addressing the role of genetic factors (genetic susceptibility) and pain biomarkers (proteins in serum) were included. Two independent reviewers extracted the data and assessed methodological quality. Results The search identified 880 citations of which 15 fulfilled the inclusion criteria. Five genetic variants; i.e., OPRM1 rs1799971 G allele, COMT rs4680 G allele, MMP1 rs1799750 2G allele, IL1α rs1800587 T allele, IL1RN rs2234677 A allele, were associated with reduced recovery of LRP. Three biomarkers; i.e., TNFα, IL6 and IFNα, were associated with persistent LRP. Conclusion The present results indicate that several genetic factors and biomarkers may predict slow recovery in LRP. Still, there is a need for replication of the findings. A stricter use of nomenclature is also highly necessary. Trial registration The review is registered PROSPERO 20th of November 2015. Registration number is CRD42015029125.
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Affiliation(s)
- Siri Bjorland
- Faculty of Medicine, University of Oslo, 1072 Blindern, Oslo, 0316, Norway. .,Department of Physical Medicine and Rehabilitation Oslo University Hospital, Ullevål, Postboks 4956 Nydalen, N-0424, Oslo, Norway.
| | - Aurora Moen
- Department of Physical Medicine and Rehabilitation Oslo University Hospital, Ullevål, Postboks 4956 Nydalen, N-0424, Oslo, Norway.,National Institute of Occupational Health, Gydas vei 8, Oslo, 0363, Norway
| | - Elina Schistad
- Department of Physical Medicine and Rehabilitation Oslo University Hospital, Ullevål, Postboks 4956 Nydalen, N-0424, Oslo, Norway
| | - Johannes Gjerstad
- National Institute of Occupational Health, Gydas vei 8, Oslo, 0363, Norway.,Department of Molecular Bioscience, University of Oslo, 1072 Blindern, Oslo, 0316, Norway
| | - Cecilie Røe
- Faculty of Medicine, University of Oslo, 1072 Blindern, Oslo, 0316, Norway.,Department of Physical Medicine and Rehabilitation Oslo University Hospital, Ullevål, Postboks 4956 Nydalen, N-0424, Oslo, Norway
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Abstract
Precision medicine is an emerging approach for prevention and treatment of diseases considering individuals’ uniqueness. Omics provide one step forward toward advanced precision medicine and include technologies such as genomics, proteomics and metabolomics generating valuable data through characterization of entire biological systems. With the aid of omics, a major shift has been started to occur in understanding of diseases followed by potential fundamental changes in medical care strategies. This short review aims at providing some examples of current omics that are applied in the field of pain in terms of new biomarkers for diagnosis of different pain types, stratification of patients and new therapeutic targets. Implementation of omics would most likely offer breakthrough in the future of pain management.
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Affiliation(s)
- Parisa Gazerani
- Department of Health Science & Technology, Faculty of Medicine, Aalborg University, Frederik Bajers Vej 7A2-A2-208, 9220 Aalborg East, Denmark
| | - Hye Sook Han Vinterhøj
- Department of Health Science & Technology, Faculty of Medicine, Aalborg University, Frederik Bajers Vej 7A2-A2-208, 9220 Aalborg East, Denmark
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Burma NE, Leduc-Pessah H, Fan CY, Trang T. Animal models of chronic pain: Advances and challenges for clinical translation. J Neurosci Res 2016; 95:1242-1256. [PMID: 27376591 DOI: 10.1002/jnr.23768] [Citation(s) in RCA: 119] [Impact Index Per Article: 14.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2016] [Revised: 04/25/2016] [Accepted: 04/29/2016] [Indexed: 12/17/2022]
Abstract
Chronic pain is a global problem that has reached epidemic proportions. An estimated 20% of adults suffer from pain, and another 10% are diagnosed with chronic pain each year (Goldberg and McGee, ). Despite the high prevalence of chronic pain (an estimated 1.5 billion people are afflicted worldwide), much remains to be understood about the underlying causes of this condition, and there is an urgent requirement for better pain therapies. The discovery of novel targets and the development of better analgesics rely on an assortment of preclinical animal models; however, there are major challenges to translating discoveries made in animal models to realized pain therapies in humans. This review discusses common animal models used to recapitulate clinical chronic pain conditions (such as neuropathic, inflammatory, and visceral pain) and the methods for assessing the sensory and affective components of pain in animals. We also discuss the advantages and limitations of modeling chronic pain in animals as well as highlighting strategies for improving the predictive validity of preclinical pain studies. © 2016 Wiley Periodicals, Inc.
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Affiliation(s)
- Nicole E Burma
- Departments of Comparative Biology and Experimental Medicine, and Physiology and Pharmacology, Hotchkiss Brain Institute, University of Calgary, Calgary, Alberta, Canada
| | - Heather Leduc-Pessah
- Departments of Comparative Biology and Experimental Medicine, and Physiology and Pharmacology, Hotchkiss Brain Institute, University of Calgary, Calgary, Alberta, Canada
| | - Churmy Y Fan
- Departments of Comparative Biology and Experimental Medicine, and Physiology and Pharmacology, Hotchkiss Brain Institute, University of Calgary, Calgary, Alberta, Canada
| | - Tuan Trang
- Departments of Comparative Biology and Experimental Medicine, and Physiology and Pharmacology, Hotchkiss Brain Institute, University of Calgary, Calgary, Alberta, Canada
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Sangani D, Suzuki A, VonVille H, Hixson JE, Iwata J. Gene Mutations Associated with Temporomandibular Joint Disorders: A Systematic Review. ACTA ACUST UNITED AC 2015; 2. [PMID: 27695703 PMCID: PMC5045035 DOI: 10.4236/oalib.1101583] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/02/2022]
Abstract
Background The temporomandibular joint (TMJ) is a bilateral synovial joint between the mandible and the temporal bone of the skull. TMJ disorders (TMDs) are a set of complicated and poorly understood clinical conditions, in which TMDs are associated with a number of symptoms including pain and limited jaw movement. The increasing scientific evidence suggests that genetic factors play a significant role in the pathology of TMDs. However, the underlying mechanism of TMDs remains largely unknown. Objective The study aimed to determine the associated genes to TMDs in humans and animals. Methods The literature search was conducted through databases including Medline (Ovid), EMBASE (Ovid), and PubMed (NLM) by using scientific terms for TMDs and genetics in March 2015. Additional studies were identified by searching bibliographies of highly relevant articles and Scopus (Elsevier). Results Our systematic analyses identified 31 articles through literature searches. A total of 112 genes were identified to be significantly and specifically associated with TMDs. Conclusion Our systematic review provides a list of accurate genes associated with TMDs and suggests a genetic contribution to the pathology of TMDs.
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Affiliation(s)
- Dhruvee Sangani
- Department of Epidemiology, Human Genetics & Environmental Sciences, The University of Texas School of Public Health, Houston, TX, USA; Department of Diagnostic & Biomedical Sciences, The University of Texas Health Science Center at Houston School of Dentistry, Houston, TX, USA
| | - Akiko Suzuki
- Department of Diagnostic & Biomedical Sciences, The University of Texas Health Science Center at Houston School of Dentistry, Houston, TX, USA; Center for Craniofacial Research, The University of Texas Health Science Center at Houston School of Dentistry, Houston, TX, USA
| | - Helena VonVille
- The University of Texas School of Public Health Library, Houston, TX, USA
| | - James E Hixson
- Department of Epidemiology, Human Genetics & Environmental Sciences, The University of Texas School of Public Health, Houston, TX, USA
| | - Junichi Iwata
- Department of Diagnostic & Biomedical Sciences, The University of Texas Health Science Center at Houston School of Dentistry, Houston, TX, USA; Center for Craniofacial Research, The University of Texas Health Science Center at Houston School of Dentistry, Houston, TX, USA; The University of Texas Graduate School of Biomedical Sciences at Houston, Houston, TX, USA
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Wang PQ, Li B, Liu J, Zhang YY, Yu YN, Zhang XX, Yuan Y, Guo ZL, Wu HL, Li HX, Dang HX, Guo SS, Wang Z. Phenotype-dependent alteration of pathways and networks reveals a pure synergistic mechanism for compounds treating mouse cerebral ischemia. Acta Pharmacol Sin 2015; 36:734-47. [PMID: 25960134 DOI: 10.1038/aps.2014.168] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2014] [Accepted: 12/08/2014] [Indexed: 12/25/2022] Open
Abstract
AIM Our previous studies have showed that ursodeoxycholic acid (UA) and jasminoidin (JA) effectively reduce cerebral infarct volume in mice. In this study we explored the pure synergistic mechanism of these compounds in treatment of mouse cerebral ischemia, which was defined as synergistic actions specific for phenotype variations after excluding interference from ineffective compounds. METHODS Mice with focal cerebral ischemia were treated with UA, JA or a combination JA and UA (JU). Concha margaritifera (CM) was taken as ineffective compound. Cerebral infarct volume of the mice was determined, and the hippocampi were taken for microarray analysis. Particular signaling pathways and biological functions were enriched based on differentially expressed genes, and corresponding networks were constructed through Ingenuity Pathway Analysis. RESULTS In phenotype analysis, UA, JA, and JU significantly reduced the ischemic infarct volume with JU being superior to UA or JA alone, while CM was ineffective. As a result, 4 pathways enriched in CM were excluded. Core pathways in the phenotype-positive groups (UA or JA) were involved in neuronal homeostasis and neuropathology. JU-contributing pathways included all UA-contributing and the majority (71.7%) of JA-contributing pathways, and 10 new core pathways whose effects included inflammatory immunity, apoptosis and nervous system development. The functions of JU group included all functions of JA group, the majority (93.1%) of UA-contributing functions, and 3 new core functions, which focused on physiological system development and function. CONCLUSION The pure synergism between UA and JA underlies 10 new core pathways and 3 new core functions, which are involved in inflammation, immune responses, apoptosis and nervous system development.
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Moloney RD, Dinan TG, Cryan JF. Strain-dependent variations in visceral sensitivity: relationship to stress, anxiety and spinal glutamate transporter expression. GENES BRAIN AND BEHAVIOR 2015; 14:319-29. [PMID: 25851919 DOI: 10.1111/gbb.12216] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
Responses to painful stimuli differ between populations, ethnic groups, sexes and even among individuals of a family. However, data regarding visceral pain are still lacking. Thus, we investigated differences in visceral nociception across inbred and outbred mouse strains using colorectal distension. Anxiety and depression-like behaviour were assessed using the open field and forced swim test as well as the corticosterone stress response. Possible mechanistic targets [excitatory amino acid transporter (EAAT-1), brain-derived neurotrophic factor (BDNF) and 5HT1A receptor] were also assessed using quantitative real-time polymerase chain reaction. Adult, male, inbred and outbred mouse strains were used in all assays (inbred strains; CBA/J Hsd, C3H/HeNHsd, BALB/c OlaHsd, C57 BL/6JOlaHsd, DBA/2J RccHsd, CAST/EiJ, SM/J, A/J OlaHsd, 129P2/OlaHsd, FVB/NHan Hsd and outbred strains: Swiss Webster, CD-1). mRNA expression levels of EAAT-1, BDNF and 5HT1A receptor (HTR1A) were quantified in the lumbosacral spinal cord, amygdala and hippocampus. A significant effect of strain was found in visceral sensitivity, anxiety and depressive-like behaviours. Strain differences were also seen in both baseline and stress-induced corticosterone levels. CBA/J mice consistently exhibited heightened visceral sensitivity, anxiety behaviour and depression-like behaviour which were associated with decreased spinal EAAT-1 and hippocampal BDNF and HTR1A. Our results show the CBA/J mouse strain as a novel mouse model to unravel the complex mechanisms of brain-gut axis disorders such as irritable bowel syndrome, in particular the underlying mechanisms of visceral hypersensitivity, for which there is great need. Furthermore, this study highlights the importance of genotype and the consequences for future development of transgenic strains in pain research.
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Affiliation(s)
- R D Moloney
- Laboratory of Neurogastroenterology, Alimentary Pharmabiotic Centre, Biosciences Institute, Ireland; Department of Psychiatry, Ireland
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Is the experience of thermal pain genetics dependent? BIOMED RESEARCH INTERNATIONAL 2015; 2015:349584. [PMID: 25699274 PMCID: PMC4324494 DOI: 10.1155/2015/349584] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/04/2014] [Revised: 11/10/2014] [Accepted: 11/10/2014] [Indexed: 01/06/2023]
Abstract
It is suggested that genetic variations explain a significant portion of the variability in pain perception; therefore, increased understanding of pain-related genetic influences may identify new targets for therapies and treatments. The relative contribution of the different genes to the variance in clinical and experimental pain responses remains unknown. It is suggested that the genetic contributions to pain perception vary across pain modalities. For example, it has been suggested that more than 60% of the variance in cold pressor responses can be explained by genetic factors; in comparison, only 26% of the variance in heat pain responses is explained by these variations. Thus, the selection of pain model might markedly influence the magnitude of the association between the pain phenotype and genetic variability. Thermal pain sensation is complex with multiple molecular and cellular mechanisms operating alone and in combination within the peripheral and central nervous system. It is thus highly probable that the thermal pain experience is affected by genetic variants in one or more of the pathways involved in the thermal pain signaling. This review aims to present and discuss some of the genetic variations that have previously been associated with different experimental thermal pain models.
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Strachan E, Poeschla B, Dansie E, Succop A, Chopko L, Afari N. Clinical and evoked pain, personality traits, and emotional states: can familial confounding explain the associations? J Psychosom Res 2015; 78:58-63. [PMID: 25311873 PMCID: PMC4272603 DOI: 10.1016/j.jpsychores.2014.09.019] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/04/2014] [Revised: 09/08/2014] [Accepted: 09/24/2014] [Indexed: 01/03/2023]
Abstract
OBJECTIVES Pain is a complex phenomenon influenced by context and person-specific factors. Affective dimensions of pain involve both enduring personality traits and fleeting emotional states. We examined how personality traits and emotional states are linked with clinical and evoked pain in a twin sample. METHODS 99 female twin pairs were evaluated for clinical and evoked pain using the McGill Pain Questionnaire (MPQ) and dolorimetry, and completed the 120-item International Personality Item Pool (IPIP), the Positive and Negative Affect Scale (PANAS), and ratings of stress and mood. Using a co-twin control design we examined a) the relationship of personality traits and emotional states with clinical and evoked pain and b) whether genetics and common environment (i.e. familial factors) may account for the associations. RESULTS Neuroticism was associated with the sensory component of the MPQ; this relationship was not confounded by familial factors. None of the emotional state measures was associated with the MPQ. PANAS negative affect was associated with lower evoked pressure pain threshold and tolerance; these associations were confounded by familial factors. There were no associations between IPIP traits and evoked pain. CONCLUSIONS A relationship exists between neuroticism and clinical pain that is not confounded by familial factors. There is no similar relationship between negative emotional states and clinical pain. In contrast, the relationship between negative emotional states and evoked pain is strong while the relationship with enduring personality traits is weak. The relationship between negative emotional states and evoked pain appears to be non-causal and due to familial factors.
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Affiliation(s)
- Eric Strachan
- Department of Psychiatry & Behavioral Sciences, University of Washington, Seattle, WA
- University of Washington Twin Registry, University of Washington, Seattle, WA
| | - Brian Poeschla
- Department of Psychiatry & Behavioral Sciences, University of Washington, Seattle, WA
| | - Elizabeth Dansie
- Department of Anesthesiology, University of Washington, Seattle, WA
| | - Annemarie Succop
- University of Washington Twin Registry, University of Washington, Seattle, WA
- Department of Medicine, University of Washington, Seattle, WA
| | - Laura Chopko
- Department of Psychiatry & Behavioral Sciences, University of Washington, Seattle, WA
- University of Washington Twin Registry, University of Washington, Seattle, WA
| | - Niloofar Afari
- University of Washington Twin Registry, University of Washington, Seattle, WA
- VA Center of Excellence for Stress and Mental Health, VA San Diego He althcare System, and Department of Psychiatry, University of California, San Diego, CA
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