Hyaluronidase-induced matrix remodeling contributes to long-term synaptic changes by Rostislav Sokolov, Rostislav Sokolov, Viktoriya Krut', Viktoriya Krut', Vsevolod Belousov, Vsevolod Belousov, Vsevolod Belousov, Vsevolod Belousov, Andrey Rozov, Andrey Rozov, Irina V. Mukhina, Irina V. Mukhina

“…We found that hyaluronidase, an ECM removal agent, triggers simultaneous membrane depolarization and sharp calcium influx into neurons. Spontaneous action potential firing frequency increased rapidly after ECM destruction in interneurons, but not pyramidal neurons. …”
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Electrophysiological Characterization of Neuropathy Complicating Type 1 Diabetes Mellitus by Nimat Abuelwafaa, Hana Ahmed, Ilham Omer, Mohamed Abdullah, Ammar Ahmed, Afraa Musa

“…Regarding abnormal NCS parameters (conduction velocity vs. amplitude of the compound action potential), conduction slowing feature predominated in 61.4% and only few (6.8%) showed amplitude reduction, while 31.8% showed mixed features. …”
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Sigma-1 Receptor Modulates CFA-Induced Inflammatory Pain via Sodium Channels in Small DRG Neurons by Yuanlong Song, Zifen Xu, Liangpin Zhang, Linlin Gao

“…Our results revealed several key findings: (1) The expression of Sig-1R was found to be upregulated during the progression of inflammatory pain, with a notable translocation from the cytoplasm to the membrane; (2) Inhibition of peripheral Sig-1R using S1RA resulted in a reduction of CFA-induced allodynia; (3) Activation of Sig-1R through PRE-084 led to a decrease in the fast sodium current in isolated DRG neurons from CFA-treated rats, which was associated with a diminished action potential (AP) peak and maximum depolarizing rate (MDR), as well as an increased rheobase; (4) Furthermore, PRE-084 was observed to enhance the slow component of the sodium current, resulting in hyperpolarization of the threshold potential and an increase in AP firing frequency, alongside an elevation in the mRNA expression of the slow sodium channel Nav1.9 in CFA-treated rats. …”
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Intraoperative Local Administration of Platelet-Rich Plasma (PRP) during Neurolysis Surgery for the Treatment of Digital Nerve Crush Injury by Akira Ikumi, Yuki Hara, Eriko Okano, Sho Kohyama, Norihito Arai, Yu Taniguchi, Hisashi Sugaya, Tomokazu Yoshioka, Akihiro Kanamori, Masashi Yamazaki

“…Five weeks postinjury, surgery was performed due to severe uncontrollable neuropathic pain and no sensory nerve action potential derivation of the index finger. Therapeutic effects were assessed by physical examination, visual analog scale for pain, and nerve conduction study. …”
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FOXP2-immunoreactive corticothalamic neurons in neocortical layers 6a and 6b are tightly regulated by neuromodulatory systems by Guanxiao Qi, Danqing Yang, Fernando Messore, Arco Bast, Felipe Yáñez, Marcel Oberlaender, Dirk Feldmeyer

“…Synaptic connections established by both L6a and L6b FOXP2+ PCs have low release probabilities and respond strongly to acetylcholine (ACh), triggering action potential (AP) trains. Notably, L6b FOXP2− PCs are more sensitive to ACh than L6a, and L6b FOXP2+ PCs also react robustly to dopamine. …”
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Brain neurons internalise polymeric micron-sized capsules: Insights from in vitro and in vivo studies by Olga Kopach, Olga A. Sindeeva, Kaiyu Zheng, Eleanor McGowan, Gleb B. Sukhorukov, Dmitri A. Rusakov

“…Importantly, the presence of internalised microcapsules did not impair neuronal function, as neurons maintained normal firing activity and action potential characteristics. Furthermore, no adverse effects were observed after a week of microcapsule presence in the mouse brain. …”
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Different Responses to Drug Safety Screening Targets between Human Neonatal and Infantile Heart Tissue and Cardiac Bodies Derived from Human-Induced Pluripotent Stem Cells by Jan Trieschmann, Moritz Haustein, Annette Köster, Jürgen Hescheler, Konrad Brockmeier, Gerardus Bennink, Tobias Hannes

“…Both native myocardial tissue slices as well as hiPS-CBs showed action potential prolongation after Ik,r blockade, but early afterdepolarisations could be observed in native myocardial tissue slices only. …”
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Mutational Analysis of KCNQ1 Gene in Type 2 Diabetes Mellitus: A Case-control Study by Ankush Ganjewar, Ishwar B Bagoji, Sharan Badiger, Rudragouda B Bulagouda, Gurushnatappa Kadakol

“…Introduction: KCNQ1 (Potassium voltage-gated channel subfamily Q member 1) gene encodes for pore-forming subunit of a voltage-gated K+ channel that is essential for the depolarisation phase of the action potential in cardiac muscle. KCNQ1 is also associated with impaired insulin secretion in Type 2 Diabetes Mellitus (T2DM), suggesting that this impairment might underlie the diabetes susceptibility conferred by rs151290, which is associated with 30-min C-peptide levels during an Oral Glucose Tolerance Test (OGTT) and first-phase insulin secretion. …”
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Adverse events in different administration routes of amiodarone: a pharmacovigilance study based on the FDA adverse event reporting system by Jingrong Yang, Mengfan You, Jingxin Wang, Rongfei Sun, Lili Han, Xiaonan Liu, Kaibin Niu, Kaidi Xing, Juanping Sun, Wenge Su, Yifei Wang

“…Amiodarone, a class III antiarrhythmic agent, is widely used to manage both atrial and ventricular arrhythmias due to its efficacy in prolonging the cardiac action potential and its multiple antiarrhythmic properties. …”
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Predictors of the Short‐Term Outcomes of Guillain–Barré Syndrome: Exploring Electrodiagnostic and Clinical Features by Yi‐Hsiang Chen, Chia‐Lun Wu, Wei‐Chieh Weng, Yi‐Chia Wei

“…Poor outcomes were associated with low compound muscle action potential (CMAP), slow motor nerve conduction velocity (MNCV), abnormal F‐wave latency, and more conduction block and temporal dispersion. …”
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Susceptibility to Ventricular Arrhythmias Resulting from Mutations in FKBP1B, PXDNL, and SCN9A Evaluated in hiPSC Cardiomyocytes by Hector Barajas-Martinez, Maya Smith, Dan Hu, Robert J. Goodrow, Colleen Puleo, Can Hasdemir, Charles Antzelevitch, Ryan Pfeiffer, Jacqueline A. Treat, Jonathan M. Cordeiro

“…None of the 3 family members screened developed cardiac events. Action potential recordings from control hiPSC-CM showed spontaneous activity and a low upstroke velocity. …”
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Functional and Structural Investigation of Myenteric Neurons in the Human Colon by Kristin Elfers, Alina Sophia Sehnert, Alexander Wagner, Ulrich Zwirner, Helena Linge, Ulf Kulik, Daniel Poehnert, Markus Winny, Benjamin Gundert, Heiko Aselmann, Gemma Mazzuoli-Weber

“…Results: Stimulation with nicotine and 5-HT elicited reproducible action potential discharge in a proportion of human myenteric neurons. …”
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Clinical Observation on Children with Peripheral Facial Paralysis Treated by Acupoint Injection of Mouse Nerve Growth Factor Combined with Acupuncture by Mian KONG, Wei LIU, Zhihua YU, Ming FANG

“…After three weeks of treatment, the clinical efficacy, H-B facial nerve function grading, average effective time, Portmann score, compound muscle action potential (CMAP), nerve conduction velocity, blink reflex (BR) latency and adverse reactions were compared between the two groups.Results:Before treatment, there was no significant difference in H-B facial nerve function grading between the two groups (<italic>P</italic>&gt; 0.05). …”
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Therapeutic potential of bisphosphonates - review of medical indications, mechanism of action, interactions and adverse effects by Agnieszka Mikosińska, Mateusz Litwin, Jakub Parys, Patrycja Kałuziak, Aleksandra Witek, Martyna Kaźmierczak, Stanisław Jesionek, Marta Jajczak, Maciej Mossakowski

“…This study reviews the current understanding of bisphosphonates, their therapeutic advantages in various disorders, and their mechanism of action, potential interactions, and adverse effects. …”
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Ion Channel Expression and Characterization in Human Induced Pluripotent Stem Cell-Derived Cardiomyocytes by Zhihan Zhao, Huan Lan, Ibrahim El-Battrawy, Xin Li, Fanis Buljubasic, Katherine Sattler, Gökhan Yücel, Siegfried Lang, Malte Tiburcy, Wolfram-Hubertus Zimmermann, Lukas Cyganek, Jochen Utikal, Thomas Wieland, Martin Borggrefe, Xiao-Bo Zhou, Ibrahim Akin

“…Some of them contribute to action potential performance and are regulated by adrenergic stimulation.…”
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Development of an Alternative Protocol to Study Muscle Fatigue by Daniela A. Alambarrio, Benjamin K. Morris, R. Benjamin Davis, Emily B. Grabarczyk, Kari K. Turner, John M. Gonzalez

“…Muscle workload during EMS was measured with EMG using median power frequency (<b>MdPF</b>) and root mean square (<b>RMS</b>) as indicators of action potential velocity and muscle fiber recruitment. …”
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Nerve repair with polylactic acid and inosine treatment enhance regeneration and improve functional recovery after sciatic nerve transection by Fellipe Soares dos Santos Cardoso, Guilherme dos Santos Maria, Fernanda Marques Pestana, Ricardo Cardoso, Bruna dos Santos Ramalho, Bruna dos Santos Ramalho, Luiza dos Santos Heringer, Tiago Bastos Taboada, Ana Maria Blanco Martinez, Fernanda Martins de Almeida, Fernanda Martins de Almeida

“…This resulted in greater compound muscle action potential amplitude and nerve conduction velocity, leading to preservation of muscle and neuromuscular junction integrity, and consequently, the recovery of motor and sensory function.ConclusionOur findings suggest that inosine may enhance regeneration and improve both motor and sensory function recovery after nerve transection when repaired with a poly-lactic acid conduit. …”
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Identification of Lauric Acid as a Potent Sodium Channel NaV1.5 Blocker from Compound Chinese Medicine Wenxin Keli by Xie W, Gao J, Liang Y, Huang C, Zhang B, Chen X, Yao X, Nan G, Wu H, Wang Y, Wu L, Wang T, Zhu Y

“…Weiwei Xie,1,&ast; Jiaming Gao,2,&ast; Yingran Liang,1,&ast; Chenxing Huang,3 Boyong Zhang,1 Xiaonan Chen,1 Xi Yao,1 Guo Nan,1 Honghua Wu,1 Yuefei Wang,1 Lin Wu,4 Taiyi Wang,3,5 Yan Zhu1 1State Key Laboratory of Component-Based Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin, 301617, People’s Republic of China; 2Institute of Basic Medical Sciences of Xiyuan Hospital, Beijing Key Laboratory of Pharmacology of Chinese Materia, Beijing, 100091, People’s Republic of China; 3Institute of Acupuncture and Moxibustion, Shandong University of Traditional Chinese Medicine, Jinan, 250355, People’s Republic of China; 4Department of Cardiology, Peking University First Hospital, Beijing, 100034 People’s Republic of China; 5Shandong Key Laboratory of Innovation and Application Research in Basic Theory of Traditional Chinese Medicine, Shandong University of Traditional Chinese Medicine, Jinan, 250355, People’s Republic of China&ast;These authors contributed equally to this workCorrespondence: Yan Zhu, State Key Laboratory of Component-based Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Beihua South Road, JingHai District, Tianjin, 301617, People’s Republic of China, Tel +86 22 59596168, Email yanzhu.harvard@icloud.com Taiyi Wang, Shandong Key Laboratory of Innovation and Application Research in Basic Theory of Traditional Chinese Medicine, Shandong University of Traditional Chinese Medicine, Jinan, 250355, People’s Republic of China, Email wangtaiyi@sdutcm.edu.cnPurpose: The major cardiac voltage-gated sodium channel NaV 1.5 (INa) is essential for cardiac action potential initiation and subsequent propagation. …”
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Automated Quantification of Neuropad Improves Its Diagnostic Ability in Patients with Diabetic Neuropathy by Georgios Ponirakis, Hassan Fadavi, Ioannis N. Petropoulos, Shazli Azmi, Maryam Ferdousi, Mohammad A. Dabbah, Ahmad Kheyami, Uazman Alam, Omar Asghar, Andrew Marshall, Mitra Tavakoli, Ahmed Al-Ahmar, Saad Javed, Maria Jeziorska, Rayaz A. Malik

“…The diagnostic performance of Neuropad was compared between the categorical and continuous (image-analysis (Sudometrics)) outputs to diagnose diabetic peripheral neuropathy (DPN). 110 subjects with type 1 and 2 diabetes underwent assessment with Neuropad, Neuropathy Disability Score (NDS), peroneal motor nerve conduction velocity (PMNCV), sural nerve action potential (SNAP), Deep Breathing-Heart Rate Variability (DB-HRV), intraepidermal nerve fibre density (IENFD), and corneal confocal microscopy (CCM). 46/110 patients had DPN according to the Toronto consensus. …”
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Exosomal mir-126-3p derived from endothelial cells induces ion channel dysfunction by targeting RGS3 signaling in cardiomyocytes: a novel mechanism in Takotsubo cardiomyopathy by Xuehui Fan, Guoqiang Yang, Yinuo Wang, Haojie Shi, Katja Nitschke, Katherine Sattler, Mohammad Abumayyaleh, Lukas Cyganek, Philipp Nuhn, Thomas Worst, Bin Liao, Gergana Dobreva, Daniel Duerschmied, Xiaobo Zhou, Ibrahim El-Battrawy, Ibrahim Akin

“…Results Modeling TTC with high doses of epinephrine (Epi) treatment in hiPSC-CMs shows suppression of depolarization velocity (Vmax), prolongation of action potential duration (APD), and induction of arrhythmic events. …”
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