The University of Queensland

A Strategy for production of correctly folded disulfide-rich peptides in the periplasm of E. coli

Saez, Natalie J., Cristofori-Armstrong, Ben, Anangi, Raveendra and King, Glenn F. (2017). A Strategy for production of correctly folded disulfide-rich peptides in the periplasm of E. coli. In Heterologous Gene Expression in E. coli Methods and Protocols (pp. 155-180) New York, NY United States: Humana Press. doi:10.1007/978-1-4939-6887-9_10

Revealing molecular determinants governing mambalgin-3 pharmacology at acid-sensing ion channel 1 variants

Cristofori-Armstrong, Ben, Budusan, Elena, Smith, Jennifer J., Reynaud, Steve, Voll, Kerstin, Chassagnon, Irène R., Durek, Thomas and Rash, Lachlan D. (2024). Revealing molecular determinants governing mambalgin-3 pharmacology at acid-sensing ion channel 1 variants. Cellular and Molecular Life Sciences, 81 (1) 266, 266. doi: 10.1007/s00018-024-05276-2

The funnel-web spider venom derived single knot peptide Hc3a modulates acid-sensing ion channel 1a desensitisation

Budusan, Elena, Payne, Colton D., Gonzalez, Tye I., Obergrussberger, Alison, Becker, Nadine, Clark, Richard J., Rosengren, K. Johan, Rash, Lachlan D. and Cristofori-Armstrong, Ben (2024). The funnel-web spider venom derived single knot peptide Hc3a modulates acid-sensing ion channel 1a desensitisation. Biochemical Pharmacology 116175, 116175. doi: 10.1016/j.bcp.2024.116175

Structural basis of the bivalency of the TRPV1 agonist DkTx

Ramanujam, Venkatraman, Crawford, Theo, Cristofori‐Armstrong, Ben, Deuis, Jennifer R., Jia, Xinying, Maxwell, Michael J., Jami, Sina, Ma, Linlin, Vetter, Irina and Mobli, Mehdi (2024). Structural basis of the bivalency of the TRPV1 agonist DkTx. Angewandte Chemie, 136 (3), 1-8. doi: 10.1002/ange.202314621

Structural basis of the bivalency of the TRPV1 agonist DkTx

Ramanujam, Venkatraman, Crawford, Theo, Cristofori-Armstrong, Ben, Deuis, Jennifer, Jia, Xinying, Maxwell, Michael, Jami, Sina, Ma, Linlin, Vetter, Irina and Mobli, Mehdi (2024). Structural basis of the bivalency of the TRPV1 agonist DkTx. Angewandte Chemie International Edition, 63 (3) e202314621, 1-8. doi: 10.1002/anie.202314621

Pain-causing stinging nettle toxins target TMEM233 to modulate NaV1.7 function

Jami, Sina, Deuis, Jennifer R., Klasfauseweh, Tabea, Cheng, Xiaoyang, Kurdyukov, Sergey, Chung, Felicity, Okorokov, Andrei L., Li, Shengnan, Zhang, Jiangtao, Cristofori-Armstrong, Ben, Israel, Mathilde R., Ju, Robert J., Robinson, Samuel D., Zhao, Peng, Ragnarsson, Lotten, Andersson, Åsa, Tran, Poanna, Schendel, Vanessa, McMahon, Kirsten L., Tran, Hue N. T., Chin, Yanni K.-Y., Zhu, Yifei, Liu, Junyu, Crawford, Theo, Purushothamvasan, Saipriyaa, Habib, Abdella M., Andersson, David A., Rash, Lachlan D., Wood, John N. ... Vetter, Irina (2023). Pain-causing stinging nettle toxins target TMEM233 to modulate NaV1.7 function. Nature Communications, 14 (1) 2442. doi: 10.1038/s41467-023-37963-2

The SARS-CoV-2 accessory protein Orf3a is not an ion channel, but does interact with trafficking proteins

Miller, Alexandria N., Houlihan, Patrick R., Matamala, Ella, Cabezas-Bratesco, Deny, Lee, Gi Young, Cristofori-Armstrong, Ben, Dilan, Tanya L., Sanchez-Martinez, Silvia, Matthies, Doreen, Yan, Rui, Yu, Zhiheng, Ren, Dejian, Brauchi, Sebastian E. and Clapham, David E. (2023). The SARS-CoV-2 accessory protein Orf3a is not an ion channel, but does interact with trafficking proteins. eLife, 12 e84477, 1-35. doi: 10.7554/elife.84477

Visualizing synaptic dopamine efflux with a 2D composite nanofilm

Bulumulla, Chandima, Krasley, Andrew T., Cristofori-Armstrong, Ben, Valinsky, William C., Walpita, Deepika, Ackerman, David, Clapham, David E. and Beyene, Abraham G. (2022). Visualizing synaptic dopamine efflux with a 2D composite nanofilm. eLife, 11 ARTN e78773. doi: 10.7554/elife.78773

Multitarget nociceptor sensitization by a promiscuous peptide from the venom of the King Baboon spider

Finol-Urdaneta, Rocio K., Ziegman, Rebekah, Dekan, Zoltan, McArthur, Jeffrey R., Heitmann, Stewart, Luna-Ramirez, Karen, Tae, Han-Shen, Mueller, Alexander, Starobova, Hana, Chin, Yanni K.-Y., Wingerd, Joshua S., Undheim, Eivind A. B., Cristofori-Armstrong, Ben, Hill, Adam P., Herzig, Volker, King, Glenn F., Vetter, Irina, Rash, Lachlan D., Adams, David J. and Alewood, Paul F. (2022). Multitarget nociceptor sensitization by a promiscuous peptide from the venom of the King Baboon spider. Proceedings of the National Academy of Sciences, 119 (5) e2110932119. doi: 10.1073/pnas.2110932119

Synthetic hookworm-derived peptides are potent modulators of primary human immune cell function that protect against experimental colitis in vivo

Smallwood, Taylor B., Navarro, Severine, Cristofori-Armstrong, Ben, Watkins, Thomas S., Tungatt, Katie, Ryan, Rachael Y.M., Haigh, Oscar L., Lutzky, Viviana P., Mulvenna, Jason P., Rosengren, K. Johan, Loukas, Alex, Miles, John J. and Clark, Richard J. (2021). Synthetic hookworm-derived peptides are potent modulators of primary human immune cell function that protect against experimental colitis in vivo. Journal of Biological Chemistry, 297 (1) 100834, 1-14. doi: 10.1016/j.jbc.2021.100834

Mambalgin-3 potentiates human acid-sensing ion channel 1b under mild to moderate acidosis: implications as an analgesic lead

Cristofori-Armstrong, Ben, Budusan, Elena and Rash, Lachlan D. (2021). Mambalgin-3 potentiates human acid-sensing ion channel 1b under mild to moderate acidosis: implications as an analgesic lead. Proceedings of the National Academy of Sciences, 118 (8) e2021581118, 1-3. doi: 10.1073/pnas.2021581118

Animal toxins — Nature's evolutionary-refined toolkit for basic research and drug discovery

Herzig, Volker, Cristofori-Armstrong, Ben, Israel, Mathilde R., Nixon, Samantha A., Vetter, Irina and King, Glenn F. (2020). Animal toxins — Nature's evolutionary-refined toolkit for basic research and drug discovery. Biochemical Pharmacology, 181 114096, 114096. doi: 10.1016/j.bcp.2020.114096

The modulation of acid-sensing ion channel 1 by PcTx1 is pH-, subtype- and species-dependent: importance of interactions at the channel subunit interface and potential for engineering selective analogues

Cristofori-Armstrong, Ben, Saez, Natalie J., Chassagnon, Irène R., King, Glenn F. and Rash, Lachlan D. (2019). The modulation of acid-sensing ion channel 1 by PcTx1 is pH-, subtype- and species-dependent: importance of interactions at the channel subunit interface and potential for engineering selective analogues. Biochemical Pharmacology, 163, 381-390. doi: 10.1016/j.bcp.2019.03.004

Novel conorfamides from Conus austini venom modulate both nicotinic acetylcholine receptors and acid-sensing ion channels

Jin, Ai-hua, Cristofori-Armstrong, Ben, Rash, Lachlan D., Román González, Sergio Agustín, Espinosa, Roberto Arreguín, Lewis, Richard J., Alewood, Paul F. and Vetter, Irina (2019). Novel conorfamides from Conus austini venom modulate both nicotinic acetylcholine receptors and acid-sensing ion channels. Biochemical Pharmacology, 164, 342-348. doi: 10.1016/j.bcp.2019.04.025

Defining the role of post-synaptic α-neurotoxins in paralysis due to snake envenoming in humans

Silva, Anjana, Cristofori-Armstrong, Ben, Rash, Lachlan D., Hodgson, Wayne C. and Isbister, Geoffrey K. (2018). Defining the role of post-synaptic α-neurotoxins in paralysis due to snake envenoming in humans. Cellular and Molecular Life Sciences, 75 (23), 4465-4478. doi: 10.1007/s00018-018-2893-x

PHAB toxins: a unique family of predatory sea anemone toxins evolving via intra-gene concerted evolution defines a new peptide fold

Madio, Bruno, Peigneur, Steve, Chin, Yanni K. Y., Hamilton, Brett R., Henriques, Sónia Troeira, Smith, Jennifer J., Cristofori-Armstrong, Ben, Dekan, Zoltan, Boughton, Berin A., Alewood, Paul F., Tytgat, Jan, King, Glenn F. and Undheim, Eivind A. B. (2018). PHAB toxins: a unique family of predatory sea anemone toxins evolving via intra-gene concerted evolution defines a new peptide fold. Cellular and Molecular Life Sciences, 75 (24), 4511-4524. doi: 10.1007/s00018-018-2897-6

Structural basis for the modulation of voltage-gated sodium channels by animal toxins

Shen, Huaizong, Li, Zhangqiang, Jiang, Yan, Pan, Xiaojing, Wu, Jianping, Cristofori-Armstrong, Ben, Smith, Jennifer J., Chin, Yanni K. Y., Lei, Jianlin, Zhou, Qiang, King, Glenn F. and Yan, Nieng (2018). Structural basis for the modulation of voltage-gated sodium channels by animal toxins. Science, 362 (6412) eaau2596, eaau2596-+. doi: 10.1126/science.aau2596

Inhibition of acid-sensing ion channels by diminazene and APETx2 evoke partial and highly variable antihyperalgesia in a rat model of inflammatory pain

Lee, Jia Yu Peppermint, Saez, Natalie J., Cristofori-Armstrong, Ben, Anangi, Raveendra, King, Glenn F., Smith, Maree T. and Rash, Lachlan D. (2018). Inhibition of acid-sensing ion channels by diminazene and APETx2 evoke partial and highly variable antihyperalgesia in a rat model of inflammatory pain. British Journal of Pharmacology, 175 (12), 2204-2218. doi: 10.1111/bph.14089

ArachnoServer 3.0: an online resource for automated discovery, analysis and annotation of spider toxins

Pineda, Sandy S., Chaumeil, Pierre-Alain, Kunert, Anne, Kaas, Quentin, Thang, Mike W. C., Le, Lien, Nuhn, Michael, Herzig, Volker, Saez, Natalie J., Cristofori-Armstrong, Ben, Anangi, Raveendra, Senff, Sebastian, Gorse, Dominique and King, Glenn F. (2017). ArachnoServer 3.0: an online resource for automated discovery, analysis and annotation of spider toxins. Bioinformatics, 34 (6), 1074-1076. doi: 10.1093/bioinformatics/btx661

Acid-sensing ion channel (ASIC) structure and function: insights from spider, snake and sea anemone venoms

Cristofori-Armstrong, Ben and Rash, Lachlan D. (2017). Acid-sensing ion channel (ASIC) structure and function: insights from spider, snake and sea anemone venoms. Neuropharmacology, 127, 173-184. doi: 10.1016/j.neuropharm.2017.04.042

The tarantula toxin β/δ-TRTX-Pre1a highlights the importance of the S1-S2 voltage-sensor region for sodium channel subtype selectivity.

Wingerd, Joshua S., Mozar, Christine A., Ussing, Christine A., Murali, Swetha S., Chin, Yanni K. -Y., Cristofori-Armstrong, Ben, Durek, Thomas, Gilchrist, John, Vaughan, Christopher W., Bosmans, Frank, Adams, David J., Lewis, Richard J., Alewood, Paul F., Mobli, Mehdi, Christie, Macdonald J. and Rash, Lachlan D. (2017). The tarantula toxin β/δ-TRTX-Pre1a highlights the importance of the S1-S2 voltage-sensor region for sodium channel subtype selectivity.. Scientific Reports, 7 (1) 974, 974. doi: 10.1038/s41598-017-01129-0

Discovery and molecular interaction studies of a highly stable, tarantula peptide modulator of acid-sensing ion channel 1

Er, Sing Yan, Cristofori-Armstrong, Ben, Escoubas, Pierre and Rash, Lachlan D. (2017). Discovery and molecular interaction studies of a highly stable, tarantula peptide modulator of acid-sensing ion channel 1. Neuropharmacology, 127, 185-195. doi: 10.1016/j.neuropharm.2017.03.020

Xenopus borealis as an alternative source of oocytes for biophysical and pharmacological studies of neuronal ion channels

Cristofori-Armstrong, Ben, Soh, Ming S., Talwar, Sahil, Brown, Darren L., Griffin, John D. O., Dekan, Zoltan, Stow, Jennifer L., King, Glenn F., Lynch, Joseph W. and Rash, Lachlan D. (2015). Xenopus borealis as an alternative source of oocytes for biophysical and pharmacological studies of neuronal ion channels. Scientific Reports, 5 (1) 14763, 14763.1-14763.12. doi: 10.1038/srep14763

Molecular dynamics and functional studies define a hot spot of crystal contacts essential for PcTx1 inhibition of acid-sensing ion channel 1a

Saez, Natalie J., Deplazes, Evelyne, Cristofori-Armstrong, Ben, Chassagnon, Irene R., Lin, Xiaozhen, Mobli, Mehdi, Mark, Alan E., Rash, Lachlan D. and King, Glenn F. (2015). Molecular dynamics and functional studies define a hot spot of crystal contacts essential for PcTx1 inhibition of acid-sensing ion channel 1a. British Journal of Pharmacology, 172 (20), 4985-4995. doi: 10.1111/bph.13267

Three peptide modulators of the human voltage-gated sodium channel 1.7, an important analgesic target, from venom of an Australian tarantula

Chow, Chun Yuen, Cristofori-Armstrong, Ben, Undheim, Eivind A. B., King, Glenn F. and Rash, Lachlan D. (2015). Three peptide modulators of the human voltage-gated sodium channel 1.7, an important analgesic target, from venom of an Australian tarantula. Toxins, 7 (7), 2494-2513. doi: 10.3390/toxins7072494

Mutations in the voltage-gated potassium channel gene KCNH1 cause Temple-Baraitser syndrome and epilepsy (vol 47, pg 73, 2015)

Simons, Cas, Rash, Lachlan D., Crawford, Joanna, Ma, Linlin, Cristofori-Armstrong, Ben, Miller, David, Ru, Kelin, Baillie, Gregory J., Alanay, Yasemin, Jacquinet, Adeline, Debray, Franois-Guillaume, Verloes, Alain, Shen, Joseph, Yesil, Goezde, Guler, Serhat, Yuksel, Adnan, Cleary, John G., Grimmond, Sean M., McGaughran, Julie, King, Glenn F., Gabbett, Michael T. and Taft, Ryan J. (2015). Mutations in the voltage-gated potassium channel gene KCNH1 cause Temple-Baraitser syndrome and epilepsy (vol 47, pg 73, 2015). Nature Genetics, 47 (3), 304-304. doi: 10.1038/ng0315-304b

Mutations in the voltage-gated potassium channel gene KCNH1 cause Temple-Baraitser syndrome and epilepsy

Simons Cas, Rash, Lachlan D., Crawford, Joanna, Ma, Linlin, Cristofori-Armstrong, Ben, Miller, David, Ru, Kelin, Baillie, Gregory J., Alanay, Yasemin, Jacquinet, Adeline, Debray, François-Guillaume, Verloes, Alain, Shen, Joseph, Yesil, Gözde, Guler, Serhat, Yuksel, Adnan, Cleary, John G., Grimmond, Sean M., McGaughran, Julie, King, Glenn F., Gabbett, Michael T. and Taft, Ryan J. (2015). Mutations in the voltage-gated potassium channel gene KCNH1 cause Temple-Baraitser syndrome and epilepsy. Nature Genetics, 47 (1), 73-77. doi: 10.1038/ng.3153

Understanding the Molecular Basis of Toxin Promiscuity: The Analgesic Sea Anemone Peptide APETx2 Interacts with Acid-Sensing Ion Channel 3 and hERG Channels via Overlapping Pharmacophores

Jensen, Jonas E., Cristofori-Armstrong, Ben, Anangi, Raveendra, Rosengren, K. Johan, Lau, Carus H. Y., Mobli, Mehdi, Brust, Andreas, Alewood, Paul F., King, Glenn F. and Rash, Lachlan D. (2014). Understanding the Molecular Basis of Toxin Promiscuity: The Analgesic Sea Anemone Peptide APETx2 Interacts with Acid-Sensing Ion Channel 3 and hERG Channels via Overlapping Pharmacophores. Journal of Medicinal Chemistry, 57 (21), 9195-9203. doi: 10.1021/jm501400p

Discovery and modulation of acid-sensing ion channel modulating venom peptides

Cristofori-Armstrong, Ben (2019). Discovery and modulation of acid-sensing ion channel modulating venom peptides. PhD Thesis, School of Biomedical Sciences, The University of Queensland. doi: 10.14264/uql.2019.316