Molecular Pain最新文献

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Morphine acts in vitro to directly prime nociceptors. 吗啡在体外可直接刺激痛觉感受器。
IF 3.3 3区 医学
Molecular Pain Pub Date : 2024-01-01 DOI: 10.1177/17448069241260348
Eugen V Khomula, Jon D Levine
{"title":"Morphine acts in vitro to directly prime nociceptors.","authors":"Eugen V Khomula, Jon D Levine","doi":"10.1177/17448069241260348","DOIUrl":"10.1177/17448069241260348","url":null,"abstract":"<p><p>Hyperalgesic priming is a preclinical model of the transition from acute to chronic pain characterized by a leftward shift in the dose-response curve for and marked prolongation of prostaglandin E<sub>2</sub> (PGE<sub>2</sub>)-induced mechanical hyperalgesia, in vivo. In vitro, priming in nociceptors is characterized by a leftward shift in the concentration dependence for PGE<sub>2</sub>-induced nociceptor sensitization. In the present in vitro study we tested the hypothesis that a mu-opioid receptor (MOR) agonist opioid analgesic, morphine, can produce priming by its direct action on nociceptors. We report that treatment of nociceptors with morphine, in vitro, produces a leftward shift in the concentration dependence for PGE<sub>2</sub>-induced nociceptor sensitization. Our findings support the suggestion that opioids act directly on nociceptors to induce priming.</p>","PeriodicalId":19010,"journal":{"name":"Molecular Pain","volume":"20 ","pages":"17448069241260348"},"PeriodicalIF":3.3,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11149440/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141199998","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A novel anti-pruritic: Topical co-administration of high molecular weight hyaluronan (HMWH) with protamine, a transdermal transport enhancer. 新型止痒剂高分子量透明质酸(HMWH)与原胺(一种透皮传输促进剂)的局部联合应用。
IF 3.3 3区 医学
Molecular Pain Pub Date : 2024-01-01 DOI: 10.1177/17448069241254455
Paul G Green, Jon D Levine
{"title":"A novel anti-pruritic: Topical co-administration of high molecular weight hyaluronan (HMWH) with protamine, a transdermal transport enhancer.","authors":"Paul G Green, Jon D Levine","doi":"10.1177/17448069241254455","DOIUrl":"10.1177/17448069241254455","url":null,"abstract":"<p><p>Pruritis, the sensation of itch, is produced by multiple substances, exogenous and endogenous, that sensitizes specialized sensory neurons (pruriceptors and pruri-nociceptors). Unfortunately, many patients with acute and chronic pruritis obtain only partial relief when treated with currently available treatment modalities. We recently demonstrated that the topical application of high molecular weight hyaluronan (HMWH), when combined with vehicles containing transdermal transport enhancers, produce potent long-lasting reversal of nociceptor sensitization associated with inflammatory and neuropathic pain. In the present experiments we tested the hypothesis that the topical formulation of HMWH with protamine, a transdermal transport enhancer, can also attenuate pruritis. We report that this topical formulation of HMWH markedly attenuates scratching behavior at the nape of the neck induced by serotonin (5-hydroxytryptamine, 5-HT), in male and female rats. Our results support the hypothesis that topical HMWH in a transdermal transport enhancer vehicle is a strong anti-pruritic.</p>","PeriodicalId":19010,"journal":{"name":"Molecular Pain","volume":"20 ","pages":"17448069241254455"},"PeriodicalIF":3.3,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11088296/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140899140","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Recruitment of cortical silent responses by forskolin in the anterior cingulate cortex of adult mice. 在成年小鼠的前扣带回皮层中,福斯可林对皮层无声反应的诱导作用。
IF 3.3 3区 医学
Molecular Pain Pub Date : 2024-01-01 DOI: 10.1177/17448069241258110
Yujie Ma, Jinjin Wan, Shun Hao, Qi-Yu Chen, Min Zhuo
{"title":"Recruitment of cortical silent responses by forskolin in the anterior cingulate cortex of adult mice.","authors":"Yujie Ma, Jinjin Wan, Shun Hao, Qi-Yu Chen, Min Zhuo","doi":"10.1177/17448069241258110","DOIUrl":"10.1177/17448069241258110","url":null,"abstract":"<p><p>Recent studies using different experimental approaches demonstrate that silent synapses may exist in the adult cortex including the sensory cortex and anterior cingulate cortex (ACC). The postsynaptic form of long-term potentiation (LTP) in the ACC recruits some of these silent synapses and the activity of calcium-stimulated adenylyl cyclases (ACs) is required for such recruitment. It is unknown if the chemical activation of ACs may recruit silent synapses. In this study, we found that activation of ACs contributed to synaptic potentiation in the ACC of adult mice. Forskolin, a selective activator of ACs, recruited silent responses in the ACC of adult mice. The recruitment was long-lasting. Interestingly, the effect of forskolin was not universal, some silent synapses did not undergo potentiation or recruitment. These findings suggest that these adult cortical synapses are not homogenous. The application of a selective calcium-permeable AMPA receptor inhibitor 1-naphthyl acetyl spermine (NASPM) reversed the potentiation and the recruitment of silent responses, indicating that the AMPA receptor is required. Our results strongly suggest that the AC-dependent postsynaptic AMPA receptor contributes to the recruitment of silent responses at cortical LTP.</p>","PeriodicalId":19010,"journal":{"name":"Molecular Pain","volume":" ","pages":"17448069241258110"},"PeriodicalIF":3.3,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11119478/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140922882","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Mitochondrial dysfunction and disulfidptosis co-regulate neuronal cell in neuropathic pain based on bioinformatics analysis. 基于生物信息学分析的线粒体功能障碍和二硫化硫共同调控神经病理性疼痛的神经细胞
IF 2.8 3区 医学
Molecular Pain Pub Date : 2024-01-01 DOI: 10.1177/17448069241290114
Hejia Ge, Hongmei Zhou, Liuyi Song, Yuqing Tao, Li Hu
{"title":"Mitochondrial dysfunction and disulfidptosis co-regulate neuronal cell in neuropathic pain based on bioinformatics analysis.","authors":"Hejia Ge, Hongmei Zhou, Liuyi Song, Yuqing Tao, Li Hu","doi":"10.1177/17448069241290114","DOIUrl":"10.1177/17448069241290114","url":null,"abstract":"<p><p>Neuropathic pain (NP) affects approximately 6.9-10% of the world's population and necessitates the development of novel treatments. Mitochondria are essential in the regulation of cell death. Neuroimmune mechanisms are implicated in various forms of cell death associated with NP. However, the specific involvement of mitochondrial dysfunction and disulfidptosis in NP remains uncertain. Further research is required to gain a better understanding of their combined contribution. Our comprehensive study employs a variety of bioinformatic analysis methods, including differential gene analysis, weighted gene co-expression network analysis, machine learning, functional enrichment analysis, immune infiltration, sub-cluster analysis, single-cell dimensionality reduction and cell-cell communication to gain insight into the molecular mechanisms behind these processes. Our study rationally defines a list of key gene sets for mitochondrial dysfunction and disulfidptosis. 6 hub mitochondrial genes and 3 disulfidptosis-related genes (DRGs) were found to be associated with NP. The key genes were predominantly expressed in neurons and were lowly expressed in the NP group compared to SHAM. In addition, our macrophages used the APP (Amyloid precursor protein)-CD74 (MHC class II invariant chain) pathway to interact with neurons. These results suggest that NP is interconnected with the mechanistic processes of mitochondrial dysfunction and disulfidptosis, which may contribute to clinically targeted therapies.</p>","PeriodicalId":19010,"journal":{"name":"Molecular Pain","volume":"20 ","pages":"17448069241290114"},"PeriodicalIF":2.8,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11468000/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142350551","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Methylglyoxal activates transient receptor potential A1/V1 via reactive oxygen species in the spinal dorsal horn. 甲基乙二酸通过脊髓背角的活性氧激活瞬时受体电位 A1/V1
IF 3.3 3区 医学
Molecular Pain Pub Date : 2024-01-01 DOI: 10.1177/17448069241233744
Takeru Ueno, Manabu Yamanaka, Wataru Taniguchi, Naoko Nishio, Yuki Matsuyama, Ryo Miyake, Yuta Kaimochi, Terumasa Nakatsuka, Hiroshi Yamada
{"title":"Methylglyoxal activates transient receptor potential A1/V1 via reactive oxygen species in the spinal dorsal horn.","authors":"Takeru Ueno, Manabu Yamanaka, Wataru Taniguchi, Naoko Nishio, Yuki Matsuyama, Ryo Miyake, Yuta Kaimochi, Terumasa Nakatsuka, Hiroshi Yamada","doi":"10.1177/17448069241233744","DOIUrl":"10.1177/17448069241233744","url":null,"abstract":"<p><p>Methylglyoxal (MGO), a highly reactive dicarbonyl metabolite of glucose primarily formed during the glycolytic pathway, is a precursor of advanced glycation end-products (AGEs). Recently, numerous studies have shown that MGO accumulation can cause pain and hyperalgesia. However, the mechanism through which MGO induces pain in the spinal dorsal horn remains unclear. The present study investigated the effect of MGO on spontaneous excitatory postsynaptic currents (sEPSC) in rat spinal dorsal horn neurons using blind whole-cell patch-clamp recording. Perfusion of MGO increased the frequency and amplitude of sEPSC in spinal horn neurons in a concentration-dependent manner. Additionally, MGO administration increased the number of miniature EPSC (mEPSC) in the presence of tetrodotoxin, a sodium channel blocker. However, 6-cyano-7-nitroqiunocaline-2,3-dione (CNQX), an AMPA/kainate receptor antagonist, blocked the enhancement of sEPSC by MGO. HC-030031, a TRP ankyrin-1 (TRPA1) antagonist, and capsazepine, a TRP vanilloid-1 (TRPV1) antagonist, inhibited the action of MGO. Notably, the effects of MGO were completely inhibited by HC-030031 and capsazepine. MGO generates reactive oxygen species (ROS) via AGEs. ROS also potentially induce pain via TRPA1 and TRPV1 in the spinal dorsal horn. Furthermore, we examined the effect of MGO in the presence of N-tert-butyl-α-phenylnitrone (PBN), a non-selective ROS scavenger, and found that the effect of MGO was completely inhibited. These results suggest that MGO increases spontaneous glutamate release from the presynaptic terminal to spinal dorsal horn neurons through TRPA1, TRPV1, and ROS and could enhance excitatory synaptic transmission.</p>","PeriodicalId":19010,"journal":{"name":"Molecular Pain","volume":" ","pages":"17448069241233744"},"PeriodicalIF":3.3,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10868495/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139697885","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Methylene blue dose-dependently induces cutaneous inflammation and heat hyperalgesia in a novel rat model. 在一种新型大鼠模型中,亚甲蓝剂量依赖性地诱导皮肤炎症和热痛。
IF 2.8 3区 医学
Molecular Pain Pub Date : 2024-01-01 DOI: 10.1177/17448069241259535
Ratan K Banik, Twan Sia, Malcolm E Johns, Phu V Tran, Andrew Y Cheng, Sudarshan Setty, Donald A Simone
{"title":"Methylene blue dose-dependently induces cutaneous inflammation and heat hyperalgesia in a novel rat model.","authors":"Ratan K Banik, Twan Sia, Malcolm E Johns, Phu V Tran, Andrew Y Cheng, Sudarshan Setty, Donald A Simone","doi":"10.1177/17448069241259535","DOIUrl":"10.1177/17448069241259535","url":null,"abstract":"<p><p>Methylene blue (MB) has been shown to reduce mortality and morbidity in vasoplegic patients after cardiac surgery. Though MB is considered to be safe, extravasation of MB leading to cutaneous toxicity has been reported. In this study, we sought to characterize MB-induced cutaneous toxicity and investigate the underlying mechanisms. To induce MB-induced cutaneous toxicity, we injected 64 adult male Sprague-Dawley rates with 200 µL saline (vehicle) or 1%, 0.1%, or 0.01% MB in the plantar hind paws. Paw swelling, skin histologic changes, and heat and mechanical hyperalgesia were measured. Injection of 1%, but not 0.1% or 0.01% MB, produced significant paw swelling compared to saline. Injection of 1% MB produced heat hyperalgesia but not mechanical hyperalgesia. Pain behaviors were unchanged following injections of 0.1% or 0.01% MB. Global transcriptomic analysis by RNAseq identified 117 differentially expressed genes (111 upregulated, 6 downregulated). Ingenuity Pathway Analysis showed an increased quantity of leukocytes, increased lipids, and decreased apoptosis of myeloid cells and phagocytes with activation of IL-1β and Fos as the two major regulatory hubs. qPCR showed a 16-fold increase in IL-6 mRNA. Thus, using a novel rat model of MB-induced cutaneous toxicity, we show that infiltration of 1% MB into cutaneous tissue causes a dose-dependent pro-inflammatory response, highlighting potential roles of IL-6, IL-1β, and Fos. Thus, anesthesiologists should administer dilute MB intravenously through peripheral venous catheters. Higher concentrations of MB (1%) should be administered through a central venous catheter to minimize the risk of cutaneous toxicity.</p>","PeriodicalId":19010,"journal":{"name":"Molecular Pain","volume":" ","pages":"17448069241259535"},"PeriodicalIF":2.8,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11162129/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141076271","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Optotagging and characterization of GABAergic rostral ventromedial medulla (RVM) neurons. GABA能颅内外侧髓质(RVM)神经元的光标记和特征描述。
IF 2.8 3区 医学
Molecular Pain Pub Date : 2024-01-01 DOI: 10.1177/17448069241270295
Taylor Follansbee, Henry Le Chang, Mirela Iodi Carstens, Yun Guan, Earl Carstens, Xinzhong Dong
{"title":"Optotagging and characterization of GABAergic rostral ventromedial medulla (RVM) neurons.","authors":"Taylor Follansbee, Henry Le Chang, Mirela Iodi Carstens, Yun Guan, Earl Carstens, Xinzhong Dong","doi":"10.1177/17448069241270295","DOIUrl":"10.1177/17448069241270295","url":null,"abstract":"<p><p>The transmission of nociceptive and pruriceptive signals in the spinal cord is greatly influenced by descending modulation from brain areas such as the rostral ventromedial medulla (RVM). Within the RVM three classes of neurons have been discovered which are relevant to spinal pain modulation, the On, Off, and Neutral cells. These neurons were discovered due to their functional response to nociceptive stimulation. On cells are excited, Off cells are inhibited, and Neutral cells have no response to noxious stimulation. Since these neurons are identified by functional response characteristics it has been difficult to molecularly identify them. In the present study, we leverage our ability to perform optotagging within the RVM to determine whether RVM On, Off, and Neutral cells are GABAergic. We found that 27.27% of RVM On cells, 47.37% of RVM Off cells, and 42.6% of RVM Neutral cells were GABAergic. These results demonstrate that RVM On, Off, and Neutral cells represent a heterogeneous population of neurons and provide a reliable technique for the molecular identification of these neurons.</p>","PeriodicalId":19010,"journal":{"name":"Molecular Pain","volume":" ","pages":"17448069241270295"},"PeriodicalIF":2.8,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11301720/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141759923","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Association between migraine and mitochondria: A Mendelian randomization study. 偏头痛与线粒体的关系:一项孟德尔随机研究。
IF 2.8 3区 医学
Molecular Pain Pub Date : 2024-01-01 DOI: 10.1177/17448069241298849
Ming-Yang Hong, Yu-Xin Chen, Yi-Cheng Xiong, Yi-Han Sun, Abdullah Al Mamun, Jian Xiao
{"title":"Association between migraine and mitochondria: A Mendelian randomization study.","authors":"Ming-Yang Hong, Yu-Xin Chen, Yi-Cheng Xiong, Yi-Han Sun, Abdullah Al Mamun, Jian Xiao","doi":"10.1177/17448069241298849","DOIUrl":"10.1177/17448069241298849","url":null,"abstract":"<p><strong>Background and objective: </strong>Mitochondria are important organelles functioning in metabolic processes, inflammatory response and neurological disorders. Migraines are chronic and paroxysmal neurological disorders characterized by recurrent episodes of severe headache and other neurological symptoms. We explored whether mitochondria may be genetically and/or causally associated with migraine.</p><p><strong>Methods: </strong>Summary-level statistics of mitochondrial DNA copy number (mtDNA-CN), 69 mitochondria related exposures and migraine with aura, migraine without aura, migraine with aura and triptan purchases, migraine with aura, drug-induced, migraine without aura and triptan purchases and migraine without aura, drug-induced, were collected from genome-wide association studies (GWAS). The analysis employed two-sample Mendelian randomization, utilizing various methods including MR-Egger, inverse-variance weighted (IVW), MR-PRESSO (MR-pleiotropy residual sum and outlier), maximum likelihood, and weighted median.</p><p><strong>Results: </strong>We observed a potential association with decreased levels of mtDNA-CN with the risk of migraine without aura (Odds ratio (OR) 1.517, 95% Confidence interval (CI) 1.072-2.147, <i>p</i> = 0.019). Besides, for every 1 unit in NAD-dependent protein deacylase sirtuin-5 (SIRT5), relative risk of migraine without aura increased by 16.4%. For every 1 unit increase in Phenylalanine-transfer RNA (tRNA) ligase, relative risk of migraine without aura increased by 13.5%. For every 1 unit increase in Apoptosis-inducing factor 1, relative risk of migraine without aura increased by 27.4%.</p><p><strong>Conclusion: </strong>This study indicates fresh evidence of association between mtDNA-CN, mitochondrial related exposures and migraine especially migraine without aura. The findings may shed light on developing interventions targeting on the causal pathway from mitochondria to migraine.</p>","PeriodicalId":19010,"journal":{"name":"Molecular Pain","volume":"20 ","pages":"17448069241298849"},"PeriodicalIF":2.8,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11672378/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142882294","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Predicting long-term pain by combining brain imaging, genetics and health questionnaire data with Swedish national registries using a prospective superstruct design. 采用前瞻性上层建筑设计,结合脑成像、遗传学和健康问卷数据与瑞典国家登记处预测长期疼痛。
IF 2.8 3区 医学
Molecular Pain Pub Date : 2024-01-01 DOI: 10.1177/17448069241301628
Filip Gedin, Sebastian Blomé, Granit Kastrati, Maria Lalouni, Fredrik Åhs, Peter Fransson, Jörgen Rosén, William Hedley Thompson, Karin Jensen
{"title":"Predicting long-term pain by combining brain imaging, genetics and health questionnaire data with Swedish national registries using a prospective superstruct design.","authors":"Filip Gedin, Sebastian Blomé, Granit Kastrati, Maria Lalouni, Fredrik Åhs, Peter Fransson, Jörgen Rosén, William Hedley Thompson, Karin Jensen","doi":"10.1177/17448069241301628","DOIUrl":"10.1177/17448069241301628","url":null,"abstract":"<p><strong>Background: </strong>Long-term pain is a common health problem that results in disability for patients of all ages, leading to an enormous economic burden. Over 20% of the population suffer from long-term pain. Unfortunately, there are no clinical tests that predicts who will develop long-term pain. The overall aim is to predict future pain incidence based on brain function, pain behavior, health status, and genetic variability.</p><p><strong>Method: </strong>PrePain utilizes a superstruct design, which involves recruiting participants from ongoing research projects. Eligible individuals for participation in PrePain were over 18 years old and free from long-term pain. During the baseline visit, participants provide pain and health-related questionnaires, undergo structural and functional MRI scans, and provide a saliva sample for DNA extraction. Individual baseline measures are then routinely followed-up via national registries.</p><p><strong>Result: </strong>We present quality-assessed data from over 300 participants. The average age was 34 years, and most participants were women (75%). Participants rated their pain sensitivity above average and reported low avoidance. Catastrophizing thoughts during painful episodes were rated as moderate. Assessments of (f)MRI data indicated generally good image quality. In this first follow-up, we found that 45 participants had a pain-related diagnoses.</p><p><strong>Conclusion: </strong>Results indicate that a superstruct design is feasible for collecting a large number of high-quality data. The incidence of long-term pain indicates that a sufficient number of participants have been recruited to complete the prediction analyses. PrePain is a unique prospective pain database with a fair prognosis to determine risk factors of long-term pain.</p>","PeriodicalId":19010,"journal":{"name":"Molecular Pain","volume":"20 ","pages":"17448069241301628"},"PeriodicalIF":2.8,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11605748/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142751340","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Newly discovered functions of miRNAs in neuropathic pain: Transitioning from recent discoveries to innovative underlying mechanisms. 新发现的 miRNA 在神经性疼痛中的功能:从最新发现过渡到创新的内在机制。
IF 3.3 3区 医学
Molecular Pain Pub Date : 2024-01-01 DOI: 10.1177/17448069231225845
Hasan Golmakani, Amir Azimian, Ebrahim Golmakani
{"title":"Newly discovered functions of miRNAs in neuropathic pain: Transitioning from recent discoveries to innovative underlying mechanisms.","authors":"Hasan Golmakani, Amir Azimian, Ebrahim Golmakani","doi":"10.1177/17448069231225845","DOIUrl":"10.1177/17448069231225845","url":null,"abstract":"<p><p>Neuropathic pain is a widespread clinical issue caused by somatosensory nervous system damage, affecting numerous individuals. It poses considerable economic and public health challenges, and managing it can be challenging due to unclear underlying mechanisms. Nevertheless, emerging evidence suggests that neurogenic inflammation and neuroinflammation play a role in developing pain patterns. Emerging evidence suggests that neurogenic inflammation and neuroinflammation play significant roles in developing neuropathic pain within the nervous system. Increased/decreased miRNA expression patterns could affect the progression of neuropathic and inflammatory pain by controlling nerve regeneration, neuroinflammation, and the expression of abnormal ion channels. However, our limited knowledge of miRNA targets hinders a complete grasp of miRNA's functions. Meanwhile, exploring exosomal miRNA, a recently uncovered role, has significantly advanced our comprehension of neuropathic pain's pathophysiology in recent times. In this review, we present a comprehensive overview of the latest miRNA studies and explore the possible ways miRNAs might play a role in the development of neuropathic pain.</p>","PeriodicalId":19010,"journal":{"name":"Molecular Pain","volume":" ","pages":"17448069231225845"},"PeriodicalIF":3.3,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10851769/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139040276","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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