Dr Andrew Clarkson

Position	Senior Lecturer
Department	Department of Anatomy
Qualifications	BSc PGDipSc PhD
Research summary	Stroke and neural regeneration

Research

Research in Dr Clarkson's lab focuses on post-stroke neuroprotection and regeneration and repair mechanisms. My research is directed at promoting recovery of function following a stroke. The approaches used involve novel combinations of intensive rehabilitation, drug therapy and more recently stem cells to enhance brain repair processes. This utilises behavioural, electrophysiological, optical imaging and anatomical measures to assess recovery after stroke.

Publications

Neumann, S., Boothman-Burrell, L., Gowing, E. K., Jacobsen, T. A., Ahring, P. K., Young, S. L., … Clarkson, A. N. (2019). The delta-subunit selective GABA_A receptor modulator, DS2, improves stroke recovery via an anti-inflammatory mechanism. Frontiers in Neuroscience, 13, 1133. doi: 10.3389/fnins.2019.01133

Houlton, J., Zhou, L. Y. Y., Barwick, D., Gowing, E. K., & Clarkson, A. N. (2019). Stroke induces a BDNF-dependent improvement in cognitive flexibility in aged mice. Neural Plasticity, 2019, 1460890. doi: 10.1155/2019/1460890

Hillman, K. L., Wall, H. J., Matthews, L. O., Gowing, E. K., & Clarkson, A. N. (2019). Altered hippocampal-prefrontal dynamics following medial prefrontal stroke in mouse. NeuroMolecular Medicine. Advance online publication. doi: 10.1007/s12017-019-08557-3

Clarkson, A. N., Boothman-Burrell, L., Dósa, Z., Nagaraja, R. Y., Jin, L., Parker, K., … Neumann, S., Gowing, E. K., … Chebib, M. (2019). The flavonoid, 2'-methoxy-6-methylflavone, affords neuroprotection following focal cerebral ischaemia. Journal of Cerebral Blood Flow & Metabolism, 39(7), 1266-1282. doi: 10.1177/0271678x18755628

Lie, M. E. K., Gowing, E. K., Johansen, N. B., Dalby, N. O., Thiesen, L., Wellendorph, P., & Clarkson, A. N. (2019). GAT3 selective substrate L-isoserine upregulates GAT3 expression and increases functional recovery after a focal ischemic stroke in mice. Journal of Cerebral Blood Flow & Metabolism, 39(1), 74-88. doi: 10.1177/0271678x17744123

Chapter in Book - Research
Journal - Research Article
Journal - Research Other

Chapter in Book - Research

Lie, M. E. K., Al-Khawaja, A., Damgaard, M., Haugaard, A. S., Schousboe, A., Clarkson, A. N., & Wellendorph, P. (2017). Glial GABA transporters as modulators of inhibitory signalling in epilepsy and stroke. In A. Ortega & A. Schousboe (Eds.), Glial amino acid transporters. (pp. 137-167). Cham, Switzerland: Springer. doi: 10.1007/978-3-319-55769-4_7

Clarkson, A. N., & Chebib, M. (2014). The role of peri-synaptic GABA receptors after stroke. In A. C. Errington, V. Crunelli & G. Di Giovanni (Eds.), Extrasynaptic GABA_A receptors: The receptors (Vol. 27). (pp. 179-205). New York: Springer. doi: 10.1007/978-1-4939-1426-5_9

Clarkson, A. N. (2009). Secondary cardiovascular abnormalities subsequent to cerebral hypoxia-ischaemia. In E. H. Bennington (Ed.), Horizons in world cardiovascular research (Vol. 1). New York: Nova Science.

Clarkson, A. N. (2008). Secondary cardiovascular abnormalities subsequent to cerebral hypoxia-ischaemia. In O. M. Roux (Ed.), Brain hypoxia-ischemia research progress. (pp. 19-56). New York: Nova Science.

Clarkson, A. N., & Appleton, I. (2007). Cerebral hypoxia-ischemia-induced neuronal and cardiac impairment. In C. Kaur (Ed.), Hypoxia and the central nervous system. (pp. 109-144). Trivandrum, India: Transworld Research Network.

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Journal - Research Article

McFall, A., Hietamies, T. M., Bernard, A., Aimable, M., Allan, S. M., Bath, P. M., … Clarkson, A. N., … Quinn, T. J. (2019). UK consensus on pre-clinical vascular cognitive impairment functional outcomes assessment: Questionnaire and workshop proceedings. Journal of Cerebral Blood Flow & Metabolism. Advance online publication.

Houlton, J., Abumaria, N., Hinkley, S. F. R., & Clarkson, A. N. (2019). Therapeutic potential of neurotrophins for repair after brain injury: A helping hand from biomaterials. Frontiers in Neuroscience, 13, 790. doi: 10.3389/fnins.2019.00790

Johnston, M., Clarkson, A. N., Gowing, E. K., Scarf, D., & Colombo, M. (2018). The effects of nidopallium caudolaterale inactivation on serial-order behaviour in pigeons (Columba livia). Journal of Neurophysiology, 120(3), 1143-1152. doi: 10.1152/jn.00167.2018

Lie, M. E. K., Gowing, E. K., Clausen, R. P., Wellendorph, P., & Clarkson, A. N. (2018). Inhibition of GABA transporters fails to afford significant protection following focal cerebral ischemia. Journal of Cerebral Blood Flow & Metabolism, 38(1), 166-173. doi: 10.1177/0271678x17743669

Evans, M. A., Lim, R., Kim, H. A., Chu, H. X., Gardiner-Mann, C. V., Taylor, K. W. E., … Neumann, S., … Gowing, E. K., … Clarkson, A. N., … Broughton, B. R. S. (2018). Acute or delayed systemic administration of human amnion epithelial cells improves outcomes in experimental stroke. Stroke, 49(3), 700-709. doi: 10.1161/strokeaha.117.019136

Allan, P. D., Tzeng, Y.-C., Gowing, E. K., Clarkson, A. N., & Fan, J.-L. (2018). Dietary nitrate supplementation reduces low frequency blood pressure fluctuations in rats following distal middle cerebral artery occlusion. Journal of Applied Physiology, 125(3), 862-869. doi: 10.1152/japplphysiol.01081.2017

Evans, M. A., Ah Kim, H., Hann Ling, Y., Uong, S., Vinh, A., De Silva, T. M., … Clarkson, A. N., … Sobey, C. G. (2018). Vitamin D₃ supplementation reduces subsequent brain injury and inflammation associated with ischemic stroke. NeuroMolecular Medicine, 20(1), 147-159. doi: 10.1007/s12017-018-8484-z

Evans, M. A., Kim, H. A., De Silva, T. M., Arumugam, T. V., Clarkson, A. N., Drummond, G. R., … Sobey, C. G. (2018). Diet-induced vitamin D deficiency has no effect on acute post-stroke outcomes in young male mice. Journal of Cerebral Blood Flow & Metabolism, 38(11), 1968-1978. doi: 10.1177/0271678x17719208

Kluge, M. G., Jones, K., Ong, L. K., Gowing, E. K., Nilsson, M., Clarkson, A. N., & Walker, F. R. (2018). Age-dependent disturbances of neuronal and glial protein expression profiles in areas of secondary neurodegeneration post-stroke. Neuroscience. Advance online publication. doi: 10.1016/j.neuroscience.2018.07.034

Parker, K., Berretta, A., Saenger, S., Sivaramakrishnan, M., Shirley, S. A., Metzger, F., & Clarkson, A. N. (2017). PEGylated insulin-like growth factor-I affords protection and facilitates recovery of lost functions post-focal ischemia. Scientific Reports, 7(1), 241. doi: 10.1038/s41598-017-00336-z

Smith, G. P. S., McLaughlin, A., Clarkson, A. N., Gordon, K. C., & Walker, G. F. (2017). Raman microscopic imaging of electrospun fibers made from a polycaprolactone and polyethylene oxide blend. Vibrational Spectroscopy, 92, 27-34. doi: 10.1016/j.vibspec.2017.05.002

Yarragudi, S. B., Richter, R., Lee, H., Walker, G. F., Clarkson, A. N., Kumar, H., & Rizwan, S. B. (2017). Formulation of olfactory-targeted microparticles with tamarind seed polysaccharide to improve nose-to-brain transport of drugs. Carbohydrate Polymers, 163, 216-226. doi: 10.1016/j.carbpol.2017.01.044

Berretta, A., Gowing, E. K., Jasoni, C. L., & Clarkson, A. N. (2016). Sonic hedgehog stimulates neurite outgrowth in a mechanical stretch model of reactive-astrogliosis. Scientific Reports, 6, 21896. doi: 10.1038/srep21896

Younus, M., Prentice, R. N., Clarkson, A. N., Boyd, B. J., & Rizwan, S. B. (2016). Incorporation of an endogenous neuromodulatory lipid, oleoylethanolamide, into cubosomes: Nanostructural characterization. Langmuir, 32(35), 8942-8950. doi: 10.1021/acs.langmuir.6b02395

Che Has, A. T., Absalom, N., van Nieuwenhuijzen, P. S., Clarkson, A. N., Ahring, P. K., & Chebib, M. (2016). Zolpidem is a potent stoichiometry-selective modulator of α1β3 GABA_A receptors: Evidence of a novel benzodiazepine site in the α1-α1 interface. Scientific Reports, 6, 28674. doi: 10.1038/srep28674

Zhou, L. Y. Y., Wright, T. E., & Clarkson, A. N. (2016). Prefrontal cortex stroke induces delayed impairment in spatial memory. Behavioural Brain Research, 296, 373-378. doi: 10.1016/j.bbr.2015.08.022

Van Slooten, A. R., Sun, Y., Clarkson, A. N., & Connor, B. J. (2015). L-NIO as a novel mechanism for inducing focal cerebral ischemia in the adult rat brain. Journal of Neuroscience Methods, 245, 44-57. doi: 10.1016/j.jneumeth.2015.02.022

Clarkson, A. N., Parker, K., Nilsson, M., Walker, F. R., & Gowing, E. K. (2015). Combined ampakine and BDNF treatments enhance poststroke functional recovery in aged mice via AKT-CREB signaling. Journal of Cerebral Blood Flow & Metabolism, 35, 1272-1279. doi: 10.1038/jcbfm.2015.33

Neumann, S., Shields, N. J., Balle, T., Chebib, M., & Clarkson, A. N. (2015). Innate immunity and inflammation post-stroke: An α7-nicotinic agonist perspective. International Journal of Molecular Sciences, 16(12), 29029-29046. doi: 10.3390/ijms161226141

Patience, M. J., Zouikr, I., Jones, K., Clarkson, A. N., Isgaard, J., Johnson, S. J., … Nilsson, M. (2015). Photothrombotic stroke induces persistent ipsilateral and contralateral astrogliosis in key cognitive control nuclei. Neurochemical Research, 40(2), 362-371. doi: 10.1007/s11064-014-1487-8

Jones, K. A., Zouikr, I., Patience, M., Clarkson, A. N., Isgaard, J., Johnson, S. J., … Walker, F. R. (2015). Chronic stress exacerbates neuronal loss associated with secondary neurodegeneration and suppresses microglial-like cells following focal motor cortex ischemia in the mouse. Brain, Behavior, & Immunity, 48, 57-67. doi: 10.1016/j.bbi.2015.02.014

López-Valdés, H. E., Clarkson, A. N., Ao, Y., Charles, A. C., Carmichael, S. T., Sofroniew, M. V., & Brennan, K. C. (2014). Memantine enhances recovery from stroke. Stroke, 45, 2093-2100. doi: 10.1161/strokeaha.113.004476

Imhoff, F. M., Yang, D., Mathew, S. F., Clarkson, A. N., Kawagishi, Y., Tate, W. P., Koishi, K., & McLennan, I. S. (2013). The type 2 anti-Müllerian hormone receptor has splice variants that are dominant-negative inhibitors. FEBS Letters, 587(12), 1749-1753. doi: 10.1016/j.febslet.2013.04.014

Bix, G. J., Gowing, E. K., & Clarkson, A. N. (2013). Perlecan domain V is neuroprotective and affords functional improvement in a photothrombotic stroke model in young and aged mice. Translational Stroke Research, 4, 515-523. doi: 10.1007/s12975-013-0266-1

Clarkson, A. N., López-Valdés, H. E., Overman, J. J., Charles, A. C., Brennan, K. C., & Carmichael, S. T. (2013). Multimodal examination of structural and functional remapping in the mouse photothrombotic stroke model. Journal of Cerebral Blood Flow & Metabolism, 33, 716-723. doi: 10.1038/jcbfm.2013.7

Overman, J. J., Clarkson, A. N., Wanner, I. B., Overman, W. T., Eckstein, I., Maguire, J. L., … Carmichael, S. T. (2012). A role for ephrin-A5 in axonal sprouting, recovery, and activity-dependent plasticity after stroke. PNAS, 109(33), E2230-E2239. doi: 10.1073/pnas.1204386109

Clarkson, A. N. (2012). Perisynaptic GABA receptors: The overzealous protector. Advances in Pharmacological Sciences, 2012, 708428. doi: 10.1155/2012/708428

Sutherland, B. A., Shaw, O. M., Clarkson, A. N., Winburn, I. C., Errington, A. C., Dixon, C. L., Lees, G., Sammut, I. A., & Appleton, I. (2011). Tin protoporphyrin provides protection following cerebral hypoxia-ischemia: Involvement of alternative pathways. Journal of Neuroscience Research, 89(8), 1284-1294. doi: 10.1002/jnr.22661

Clarkson, A. N., Overman, J. J., Zhong, S., Mueller, R., Lynch, G., & Carmichael, S. T. (2011). AMPA receptor-induced local brain-derived neurotrophic factor signaling mediates motor recovery after stroke. Journal of Neuroscience, 31(10), 3766-3775. doi: 10.1523/JNEUROSCI.5780-10.2011

Nair, S. M., Rahman, R. M. A., Clarkson, A. N., Sutherland, B. A., Taurin, S., Sammut, I. A., & Appleton, I. (2011). Melatonin treatment following stroke induction modulates L-arginine metabolism. Journal of Pineal Research, 51(3), 313-323. doi: 10.1111/j.1600-079X.2011.00891.x

Clarkson, A. N., Talbot, C. L., Wang, P.-Y., MacLaughlin, D. T., Donahoe, P. K., & McLennan, I. S. (2011). Müllerian inhibiting substance is anterogradely transported and does not attenuate avulsion-induced death of hypoglossal motor neurons. Experimental Neurology, 231(2), 304-308. doi: 10.1016/j.expneurol.2010.12.019

Clarkson, A. N., Huang, B. S., MacIsaac, S. E., Mody, I., & Carmichael, S. T. (2010). Reducing excessive GABA-mediated tonic inhibition promotes functional recovery after stroke. Nature, 468(7321), 305-309. doi: 10.1038/nature09511

Sutherland, B. A., Rahman, R. M. A., Clarkson, A. N., Shaw, O. M., Nair, S. M., & Appleton, I. (2009). Cerebral heme oxygenase 1 and 2 spatial distribution is modulated following injury from hypoxia-ischemia and middle cerebral artery occlusion in rats. Neuroscience Research, 65(4), 326-334. doi: 10.1016/j.neures.2009.08.007

Wang, P.-Y., Protheroe, A., Clarkson, A. N., Imhoff, F., Koishi, K., & McLennan, I. S. (2009). Müllerian inhibiting substance contributes to sex-linked biases in the brain and behavior. PNAS, 106(17), 7203-7208. doi: 10.1073/pnas.0902253106

Pugazhenthi, K., Kapoor, M., Clarkson, A. N., Hall, I., & Appleton, I. (2008). Melatonin accelerates the process of wound repair in full-thickness incisional wounds. Journal of Pineal Research, 44(4), 387-396. doi: 10.1111/j.1600-079X.2007.00541.x

Vranyac-Tramoundanas, A., Harrison, J. C., Clarkson, A. N., Kapoor, M., Winburn, I. C., Kerr, D. S., & Sammut, I. A. (2008). Domoic acid impairment of cardiac energetics. Toxicological Sciences, 105(2), 395-407. doi: 10.1093/toxsci/kfn132

Hesp, B. R., Clarkson, A. N., Sawant, P. M., & Kerr, D. S. (2007). Domoic acid preconditioning and seizure induction in young and aged rats. Epilepsy Research, 76, 103-112.

Clarkson, A. N., Liu, H., Schiborra, F., Shaw, O., Sammut, I. A., Jackson, D. M., & Appleton, I. (2007). Angiogenesis as a predictive marker of neurological outcome following hypoxia-ischemia. Brain Research, 1171, 111-121.

Clarkson, A. N., Clarkson, J., Jackson, D. M., & Sammut, I. A. (2007). Mitochondrial involvement in transhemispheric diaschisis following hypoxia-ischemia: Clomethiazole-mediated amelioration. Neuroscience, 144, 547-561.

Clarkson, A. N., Liu, H., Rahman, R., Jackson, D. M., Appleton, I., & Kerr, D. S. (2005). Clomethiazole: Mechanisms underlying lasting neuroprotection after hypoxia-ischemia. FASEB Journal, 19(8), 1036-1038.

Ashton, J. C., Khalessi, A., Kapoor, M., Clarkson, A., Sammut, I. A., Darlington, C. L., & Smith, P. F. (2005). Characterization of mitochondrial respiratory chain energetics in the vestibular nucleus complex [Short Communication]. Acta Oto-Laryngologica, 125, 422-425.

Sutherland, B. A., Shaw, O. M., Clarkson, A. N., Jackson, D. M., Sammut, I. A., & Appleton, I. (2005). Neuroprotective effects of (-)-epigallocatechin gallate following hypoxia-ischemia-induced brain damage: Novel mechanisms of action. FASEB Journal, 19(2), 258-260. doi: 10.1096/fj.04-2806fje

Clarkson, A. N., Sutherland, B. A., & Appleton, I. (2005). The biology and pathology of hypoxia-ischemia: An update. Archivum Immunologiae et Therapiae Experimentalis, 53, 213-225.

Clarkson, A. N., Liu, H., Pearson, L., Kapoor, M., Harrison, J. C., Sammut, I. A., Jackson, D. M., & Appleton, I. (2004). Neuroprotective effects of spermine following hypoxia-ischemia-induced brain damage: A mechanistic study. FASEB Journal, 18(10), 1114-1116.

Clarkson, A. N., Rahman, R. M. A., & Appleton, I. (2004). Inflammation and autoimmunity as a central theme in neurodegenerative disorders: Fact or fiction? Current Opinion in Investigational Drugs, 5(7), 706-713.

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Journal - Research Other

McDonald, M. W., Black, S. E., Copland, D. A., Corbett, D., Dijkhuizen, R. M., Farr, T. D., … Clarkson, A. N., & O'Sullivan, M. J. (2019). Cognition in stroke rehabilitation and recovery research: Consensus-based core recommendations from the second Stroke Recovery and Rehabilitation Roundtable. International Journal of Stroke. Advance online publication. doi: 10.1177/1747493019873600

Abumaria, N., Li, W., & Clarkson, A. N. (2019). Role of the chanzyme TRPM7 in the nervous system in health and disease. Cellular & Molecular Life Sciences. Advance online publication. doi: 10.1007/s00018-019-03124-2

Bernhardt, J., Borschmann, K. N., Kwakkel, G., Burridge, J. H., Walker, M. F., Bird, M.-L., … Clarkson, A. N., … for the SRRR2 Collaboration. (2019). Setting the scene for the Second Stroke Recovery and Rehabilitation Roundtable. International Journal of Stroke, 14(5), 450-456. doi: 10.1177/1747493019851287

McDonald, M. W., Black, S. E., Copland, D. A., Corbett, D., Dijkhuizen, R. M., Farr, T. D., … Clarkson, A. N., & O'Sullivan, M. J. (2019). Cognition in stroke rehabilitation and recovery research: Consensus-based core recommendations from the second Stroke Recovery and Rehabilitation Roundtable. Neurorehabilitation & Neural Repair, 33(11), 943-950. doi: 10.1177/1545968319886444

Boni, R., Ali, A., Shavandi, A., & Clarkson, A. N. (2018). Current and novel polymeric biomaterials for neural tissue engineering. Journal of Biomedical Science, 25, 90. doi: 10.1186/s12929-018-0491-8

Berretta, A., Tzeng, Y.-C., & Clarkson, A. N. (2014). Post-stroke recovery: The role of activity-dependent release of brain-derived neurotrophic factor. Expert Review of Neurotherapeutics, 14(11), 1335-1344. doi: 10.1586/14737175.2014.969242

Clarkson, A. N., & Carmichael, S. T. (2009). Cortical excitability and post-stroke recovery. Biochemical Society Transactions, 37(6), 1412-1414. doi: 10.1042/BST0371412

Clarkson, A. N. (2007). Anesthetic-mediated protection/preconditioning during cerebral ischemia. Life Sciences, 80, 1157-1175.

Kapoor, M., Clarkson, A., Sutherland, B. A., & Appleton, I. (2005). The role of antioxidants in models of inflammation: Emphasis on L-arginine and arachidonic acid metabolism. Inflammopharmacology, 12(5-6), 505-520.

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