Shujun Liu
Research Associate 2 MS
Research & Publications
Biography
News
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Selected Publications
- Ih current stabilizes excitability in rodent DRG neurons and reverses hyperexcitability in a nociceptive neuron model of inherited neuropathic painVasylyev D, Liu S, Waxman S. Ih current stabilizes excitability in rodent DRG neurons and reverses hyperexcitability in a nociceptive neuron model of inherited neuropathic pain. The Journal Of Physiology 2023, 601: 5341-5366. PMID: 37846879, PMCID: PMC10843455, DOI: 10.1113/jp284999.
- Conserved but not critical: Trafficking and function of NaV1.7 are independent of highly conserved polybasic motifsTyagi S, Sarveswaran N, Higerd-Rusli G, Liu S, Dib-Hajj F, Waxman S, Dib-Hajj S. Conserved but not critical: Trafficking and function of NaV1.7 are independent of highly conserved polybasic motifs. Frontiers In Molecular Neuroscience 2023, 16: 1161028. PMID: 37008789, PMCID: PMC10060856, DOI: 10.3389/fnmol.2023.1161028.
- Inflammation differentially controls transport of depolarizing Nav versus hyperpolarizing Kv channels to drive rat nociceptor activityHigerd-Rusli G, Tyagi S, Baker C, Liu S, Dib-Hajj F, Dib-Hajj S, Waxman S. Inflammation differentially controls transport of depolarizing Nav versus hyperpolarizing Kv channels to drive rat nociceptor activity. Proceedings Of The National Academy Of Sciences Of The United States Of America 2023, 120: e2215417120. PMID: 36897973, PMCID: PMC10089179, DOI: 10.1073/pnas.2215417120.
- Kv7-specific activators hyperpolarize resting membrane potential and modulate human iPSC-derived sensory neuron excitabilityEstacion M, Liu S, Cheng X, Dib-Hajj S, Waxman S. Kv7-specific activators hyperpolarize resting membrane potential and modulate human iPSC-derived sensory neuron excitability. Frontiers In Pharmacology 2023, 14: 1138556. PMID: 36923357, PMCID: PMC10008904, DOI: 10.3389/fphar.2023.1138556.
- Paclitaxel effects on axonal localization and vesicular trafficking of NaV1.8Baker C, Tyagi S, Higerd-Rusli G, Liu S, Zhao P, Dib-Hajj F, Waxman S, Dib-Hajj S. Paclitaxel effects on axonal localization and vesicular trafficking of NaV1.8. Frontiers In Molecular Neuroscience 2023, 16: 1130123. PMID: 36860665, PMCID: PMC9970094, DOI: 10.3389/fnmol.2023.1130123.
- The fates of internalized NaV1.7 channels in sensory neurons: Retrograde cotransport with other ion channels, axon-specific recycling, and degradationHigerd-Rusli G, Tyagi S, Liu S, Dib-Hajj F, Waxman S, Dib-Hajj S. The fates of internalized NaV1.7 channels in sensory neurons: Retrograde cotransport with other ion channels, axon-specific recycling, and degradation. Journal Of Biological Chemistry 2022, 299: 102816. PMID: 36539035, PMCID: PMC9843449, DOI: 10.1016/j.jbc.2022.102816.
- Depolarizing NaV and hyperpolarizing KV channels are co-trafficked in sensory neurons.Higerd-Rusli GP, Alsaloum M, Tyagi S, Sarveswaran N, Estacion M, Akin EJ, Dib-Hajj FB, Liu S, Sosniak D, Zhao P, Dib-Hajj SD, Waxman SG. Depolarizing NaV and hyperpolarizing KV channels are co-trafficked in sensory neurons. Journal Of Neuroscience 2022, 42: 4794-4811. PMID: 35589395, PMCID: PMC9188389, DOI: 10.1523/jneurosci.0058-22.2022.
- Stem cell-derived sensory neurons modelling inherited erythromelalgia: normalization of excitabilityAlsaloum M, Labau JIR, Liu S, Effraim P, Waxman SG. Stem cell-derived sensory neurons modelling inherited erythromelalgia: normalization of excitability. Brain 2022, 146: 359-371. PMID: 35088838, PMCID: PMC10060693, DOI: 10.1093/brain/awac031.
- Contributions of NaV1.8 and NaV1.9 to excitability in human induced pluripotent stem-cell derived somatosensory neuronsAlsaloum M, Labau JIR, Liu S, Estacion M, Zhao P, Dib-Hajj F, Waxman SG. Contributions of NaV1.8 and NaV1.9 to excitability in human induced pluripotent stem-cell derived somatosensory neurons. Scientific Reports 2021, 11: 24283. PMID: 34930944, PMCID: PMC8688473, DOI: 10.1038/s41598-021-03608-x.
- KCNQ variants and pain modulation: a missense variant in Kv7.3 contributes to pain resilienceYuan JH, Estacion M, Mis MA, Tanaka BS, Schulman BR, Chen L, Liu S, Dib-Hajj FB, Dib-Hajj SD, Waxman SG. KCNQ variants and pain modulation: a missense variant in Kv7.3 contributes to pain resilience. Brain Communications 2021, 3: fcab212-. PMID: 34557669, PMCID: PMC8454204, DOI: 10.1093/braincomms/fcab212.
- Paclitaxel increases axonal localization and vesicular trafficking of Nav1.7Akin EJ, Alsaloum M, Higerd GP, Liu S, Zhao P, Dib-Hajj FB, Waxman SG, Dib-Hajj SD. Paclitaxel increases axonal localization and vesicular trafficking of Nav1.7. Brain 2021, 144: awab113-. PMID: 33734317, PMCID: PMC8320304, DOI: 10.1093/brain/awab113.
- Altered Axonal Trafficking of NaV1.7 in Cultured Peripheral Neurons in Response to Inflammatory Mediators and PaclitaxelAkin E, Higerd G, Liu S, Dib-Hajj F, Waxman S, Dib-Hajj S. Altered Axonal Trafficking of NaV1.7 in Cultured Peripheral Neurons in Response to Inflammatory Mediators and Paclitaxel. Biophysical Journal 2020, 118: 578a. DOI: 10.1016/j.bpj.2019.11.3139.
- Building sensory axons: Delivery and distribution of NaV1.7 channels and effects of inflammatory mediatorsAkin EJ, Higerd-Rusli GP, Mis MA, Tanaka BS, Adi T, Liu S, Dib-Hajj FB, Waxman SG, Dib-Hajj SD. Building sensory axons: Delivery and distribution of NaV1.7 channels and effects of inflammatory mediators. Science Advances 2019, 5: eaax4755. PMID: 31681845, PMCID: PMC6810356, DOI: 10.1126/sciadv.aax4755.
- Resilience to Pain: A Peripheral Component Identified Using Induced Pluripotent Stem Cells and Dynamic ClampMis MA, Yang Y, Tanaka BS, Gomis-Perez C, Liu S, Dib-Hajj F, Adi T, Garcia-Milian R, Schulman BR, Dib-Hajj SD, Waxman SG. Resilience to Pain: A Peripheral Component Identified Using Induced Pluripotent Stem Cells and Dynamic Clamp. Journal Of Neuroscience 2018, 39: 382-392. PMID: 30459225, PMCID: PMC6335750, DOI: 10.1523/jneurosci.2433-18.2018.
- Nav1.5 in astrocytes plays a sex‐specific role in clinical outcomes in a mouse model of multiple sclerosisPappalardo LW, Samad OA, Liu S, Zwinger PJ, Black JA, Waxman SG. Nav1.5 in astrocytes plays a sex‐specific role in clinical outcomes in a mouse model of multiple sclerosis. Glia 2018, 66: 2174-2187. PMID: 30194875, DOI: 10.1002/glia.23470.
- Atypical changes in DRG neuron excitability and complex pain phenotype associated with a Nav1.7 mutation that massively hyperpolarizes activationHuang J, Mis MA, Tanaka B, Adi T, Estacion M, Liu S, Walker S, Dib-Hajj SD, Waxman SG. Atypical changes in DRG neuron excitability and complex pain phenotype associated with a Nav1.7 mutation that massively hyperpolarizes activation. Scientific Reports 2018, 8: 1811. PMID: 29379075, PMCID: PMC5788866, DOI: 10.1038/s41598-018-20221-7.
- Dendritic spine remodeling following early and late Rac1 inhibition after spinal cord injury: evidence for a pain biomarkerZhao P, Hill M, Liu S, Chen L, Bangalore L, Waxman SG, Tan AM. Dendritic spine remodeling following early and late Rac1 inhibition after spinal cord injury: evidence for a pain biomarker. Journal Of Neurophysiology 2016, 115: 2893-2910. PMID: 26936986, PMCID: PMC4922610, DOI: 10.1152/jn.01057.2015.
- A painful neuropathy-associated Nav1.7 mutant leads to time-dependent degeneration of small-diameter axons associated with intracellular Ca2+ dysregulation and decrease in ATP levelsRolyan H, Liu S, Hoeijmakers JG, Faber CG, Merkies IS, Lauria G, Black JA, Waxman SG. A painful neuropathy-associated Nav1.7 mutant leads to time-dependent degeneration of small-diameter axons associated with intracellular Ca2+ dysregulation and decrease in ATP levels. Molecular Pain 2016, 12: 1744806916674472. PMID: 27821467, PMCID: PMC5102167, DOI: 10.1177/1744806916674472.
- Ca2+ toxicity due to reverse Na+/Ca2+ exchange contributes to degeneration of neurites of DRG neurons induced by a neuropathy-associated Nav1.7 mutationEstacion M, Vohra BP, Liu S, Hoeijmakers J, Faber CG, Merkies IS, Lauria G, Black JA, Waxman SG. Ca2+ toxicity due to reverse Na+/Ca2+ exchange contributes to degeneration of neurites of DRG neurons induced by a neuropathy-associated Nav1.7 mutation. Journal Of Neurophysiology 2015, 114: 1554-1564. PMID: 26156380, PMCID: PMC4561630, DOI: 10.1152/jn.00195.2015.
- Dendritic spine dysgenesis contributes to hyperreflexia after spinal cord injuryBandaru SP, Liu S, Waxman SG, Tan AM. Dendritic spine dysgenesis contributes to hyperreflexia after spinal cord injury. Journal Of Neurophysiology 2014, 113: 1598-1615. PMID: 25505110, PMCID: PMC4346729, DOI: 10.1152/jn.00566.2014.
- Dynamics of sodium channel Nav1.5 expression in astrocytes in mouse models of multiple sclerosisPappalardo LW, Liu S, Black JA, Waxman SG. Dynamics of sodium channel Nav1.5 expression in astrocytes in mouse models of multiple sclerosis. Neuroreport 2014, 25: 1208-1215. PMID: 25144393, PMCID: PMC4159404, DOI: 10.1097/wnr.0000000000000249.
- Contribution of sodium channels to lamellipodial protrusion and Rac1 and ERK1/2 activation in ATP‐stimulated microgliaPersson A, Estacion M, Ahn H, Liu S, Stamboulian‐Platel S, Waxman SG, Black JA. Contribution of sodium channels to lamellipodial protrusion and Rac1 and ERK1/2 activation in ATP‐stimulated microglia. Glia 2014, 62: 2080-2095. PMID: 25043721, DOI: 10.1002/glia.22728.
- Tapered withdrawal of phenytoin removes protective effect in EAE without inflammatory rebound and mortalityLiu S, Zwinger P, Black JA, Waxman SG. Tapered withdrawal of phenytoin removes protective effect in EAE without inflammatory rebound and mortality. Journal Of The Neurological Sciences 2014, 341: 8-12. PMID: 24690348, DOI: 10.1016/j.jns.2014.03.029.
- Burn injury-induced mechanical allodynia is maintained by Rac1-regulated dendritic spine dysgenesisTan AM, Samad OA, Liu S, Bandaru S, Zhao P, Waxman SG. Burn injury-induced mechanical allodynia is maintained by Rac1-regulated dendritic spine dysgenesis. Experimental Neurology 2013, 248: 509-519. PMID: 23933578, DOI: 10.1016/j.expneurol.2013.07.017.
- Neuropathy‐associated NaV1.7 variant I228M impairs integrity of dorsal root ganglion neuron axonsPersson A, Liu S, Faber CG, Merkies IS, Black JA, Waxman SG. Neuropathy‐associated NaV1.7 variant I228M impairs integrity of dorsal root ganglion neuron axons. Annals Of Neurology 2012, 73: 140-145. PMID: 23280954, DOI: 10.1002/ana.23725.
- Functional profiles of SCN9A variants in dorsal root ganglion neurons and superior cervical ganglion neurons correlate with autonomic symptoms in small fibre neuropathyHan C, Hoeijmakers JG, Liu S, Gerrits MM, Morsche R, Lauria G, Dib-Hajj SD, Drenth JP, Faber CG, Merkies IS, Waxman SG. Functional profiles of SCN9A variants in dorsal root ganglion neurons and superior cervical ganglion neurons correlate with autonomic symptoms in small fibre neuropathy. Brain 2012, 135: 2613-2628. PMID: 22826602, DOI: 10.1093/brain/aws187.
- Slowly Progressive Axonal Degeneration in a Rat Model of Chronic, Nonimmune-Mediated DemyelinationWilkins A, Kondo Y, Song J, Liu S, Compston A, Black J, Waxman S, Duncan I. Slowly Progressive Axonal Degeneration in a Rat Model of Chronic, Nonimmune-Mediated Demyelination. Journal Of Neuropathology & Experimental Neurology 2010, 69: 1256-1269. PMID: 21107138, DOI: 10.1097/nen.0b013e3181ffc317.
- Sodium channel activity modulates multiple functions in microgliaBlack JA, Liu S, Waxman SG. Sodium channel activity modulates multiple functions in microglia. Glia 2008, 57: 1072-1081. PMID: 19115387, DOI: 10.1002/glia.20830.
- Exacerbation of experimental autoimmune encephalomyelitis after withdrawal of phenytoin and carbamazepineBlack JA, Liu S, Carrithers M, Carrithers LM, Waxman SG. Exacerbation of experimental autoimmune encephalomyelitis after withdrawal of phenytoin and carbamazepine. Annals Of Neurology 2007, 62: 21-33. PMID: 17654737, DOI: 10.1002/ana.21172.
- Long-term protection of central axons with phenytoin in monophasic and chronic-relapsing EAEBlack JA, Liu S, Hains BC, Saab CY, Waxman SG. Long-term protection of central axons with phenytoin in monophasic and chronic-relapsing EAE. Brain 2006, 129: 3196-3208. PMID: 16931536, DOI: 10.1093/brain/awl216.
- A single sodium channel mutation produces hyper- or hypoexcitability in different types of neuronsRush AM, Dib-Hajj SD, Liu S, Cummins TR, Black JA, Waxman SG. A single sodium channel mutation produces hyper- or hypoexcitability in different types of neurons. Proceedings Of The National Academy Of Sciences Of The United States Of America 2006, 103: 8245-8250. PMID: 16702558, PMCID: PMC1472458, DOI: 10.1073/pnas.0602813103.
- Contactin Associates with Sodium Channel Nav1.3 in Native Tissues and Increases Channel Density at the Cell SurfaceShah BS, Rush AM, Liu S, Tyrrell L, Black JA, Dib-Hajj SD, Waxman SG. Contactin Associates with Sodium Channel Nav1.3 in Native Tissues and Increases Channel Density at the Cell Surface. Journal Of Neuroscience 2004, 24: 7387-7399. PMID: 15317864, PMCID: PMC6729770, DOI: 10.1523/jneurosci.0322-04.2004.
- Changes in the expression of tetrodotoxin‐sensitive sodium channels within dorsal root ganglia neurons in inflammatory painBlack JA, Liu S, Tanaka M, Cummins TR, Waxman SG. Changes in the expression of tetrodotoxin‐sensitive sodium channels within dorsal root ganglia neurons in inflammatory pain. Pain 2004, 108: 237-247. PMID: 15030943, DOI: 10.1016/j.pain.2003.12.035.
- Sodium channels contribute to microglia/macrophage activation and function in EAE and MSCraner MJ, Damarjian TG, Liu S, Hains BC, Lo AC, Black JA, Newcombe J, Cuzner ML, Waxman SG. Sodium channels contribute to microglia/macrophage activation and function in EAE and MS. Glia 2004, 49: 220-229. PMID: 15390090, DOI: 10.1002/glia.20112.