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Dr Thomas Iskratsch

Thomas IskratschPhD, Dipl.-Ing.

Reader in Cardiovascular Mechanobiology and Bioengineering
CPM Industrial Engagement lead and Director of PREMMIR Centre for Doctoral Training

School of Engineering and Materials Science
Queen Mary University of London
+44 (0)20 7882 3674


Cardiovascular Mechanobiology, Mechanosensing, Cardiovascular Disease, Micro-/Nanopatterning, 3D models


Cells in the cardiovascular system react to the changing mechanical stimuli. This affects their behaviour and can trigger cardiovascular disease onset and progression. We are studying cellular mechanosensing in cardiomyocytes and vascular smooth muscle cells, in 2D and 3D in vitro models and using tools to apply or measure forces (AFM, nanoindentation, nanopillars, pressure stimulation), as well as super-resolution or high content imaging and automated image analysis. This allows us to dissect cellular pathways of mechanosignalling and identify novel therapeutic targets, or to develop improved drug testing platforms.


Publications of specific relevance to Predictive in vitro Models


Swiatlowska P and Iskratsch T (2021). Announcing the call for the Special Issue on “Cardiovascular mechanobiology—a special issue to look at the state of the art and the newest insights into the role of mechanical forces in cardiovascular development, physiology, and disease”. Biophysical Reviews  vol. 13, (3) 307-308. 10.1007/s12551-021-00800-1
Marhuenda E, Fabre C, Zhang C, Martin-Fernandez M, Iskratsch T, Saleh A, Bauchet L, Cambedouzou J, Hugnot JP, Duffau H, Dennis JW, Cornu D and Bakalara N (2021). Glioma stem cells invasive phenotype at optimal stiffness is driven by MGAT5 dependent mechanosensing. Journal of Experimental and Clinical Cancer Research  vol. 40, (1) 10.1186/s13046-021-01925-7


Iskratsch T (2020). Cell scientist to watch. Journal of Cell Science  vol. 133, (15) 10.1242/JCS.251595
Ward M and Iskratsch T (2020). Mix and (mis-)match – The mechanosensing machinery in the changing environment of the developing, healthy adult and diseased heart. Biochimica Et Biophysica Acta - Molecular Cell Research  vol. 1867, (3) 10.1016/j.bbamcr.2019.01.017


Di Cio S, Iskratsch T, Connelly JT and Gautrot JE (2019). Contractile myosin rings and cofilin-mediated actin disassembly orchestrate ECM nanotopography sensing. Elsevier  Biomaterials  vol. 232, 10.1016/j.biomaterials.2019.119683
Xanthis I and Iskratsch T (2019). Lamin-A Mechano-Protects the Heart. Developmental Cell  10.1016/j.devcel.2019.05.041
Pedrosa A-R, BODRUG N, Gomez-Escudero J, Carter EP, Reynolds LE, Georgiou PN, Fernandez I, Lees DM, Kostourou V, Alexopoulou AN, Batista S, Tavora B, Serrels B, Parsons M, Iskratsch T and Hodivala-Dilke K (2019). Tumour angiogenesis is differentially regulated by endothelial cell Focal Adhesion Kinase tyrosine-397 and -861 phosphorylation. American Association For Cancer Research  Cancer Research  10.1158/0008-5472.CAN-18-3934
Sit B, Gutmann D and Iskratsch T (2019). Costameres, dense plaques and podosomes: the cell matrix adhesions in cardiovascular mechanosensing. Journal of Muscle Research and Cell Motility  vol. 40, (2) 197-209. 10.1007/s10974-019-09529-7
Hawkes W, Huang D, Reynolds P, Hammond L, Ward M, Gadegaard N, Marshall JF, Iskratch T and Palma M (2019). Probing the nanoscale organisation and multivalency of cell surface receptors: DNA origami nanoarrays for cellular studies with single-molecule control. Royal Society of Chemistry (Rsc)  Faraday Discussions  10.1039/c9fd00023b


Ciuba K, Hawkes W, Tojkander S, Kogan K, Engel U, ISKRATSCH T and Lappalainen P (2018). Calponin-3 is critical for coordinated contractility of actin stress fibers. Nature Publishing Group  Scientific Reports  10.1038/s41598-018-35948-6
Pandey P, Hawkes W, Hu J, Megone WV, Gautrot J, Anilkumar N, Zhang M, Hirvonen L, Cox S, Ehler E, Hone J, Sheetz M and Iskratsch T (2018). Cardiomyocytes Sense Matrix Rigidity through a Combination of Muscle and Non-muscle Myosin Contractions. Dev Cell  vol. 44, (3) 326-336.e3. 10.1016/j.devcel.2017.12.024


Lee NM, Erisken C, Iskratsch T, Sheetz M, Levine WN and Lu HH (2017). Polymer fiber-based models of connective tissue repair and healing. Biomaterials  vol. 112, 303-312. 10.1016/j.biomaterials.2016.10.013


Santos LC, Blair DA, Kumari S, Cammer M, Iskratsch T, Herbin O, Alexandropoulos K, Dustin ML and Sheetz MP (2016). Actin polymerization-dependent activation of Cas-L promotes immunological synapse stability. Immunol Cell Biol  vol. 94, (10) 981-993. 10.1038/icb.2016.61
(2016). α-Actinin links extracellular matrix rigidity-sensing contractile units with periodic cell-edge retractions. Mol Biol Cell  vol. 27, (22) 3471-3479. 10.1091/mbc.E16-02-0107


(2015). Tropomyosin controls sarcomere-like contractions for rigidity sensing and suppressing growth on soft matrices. Nat Cell Biol  vol. 18, (1) 33-42. 10.1038/ncb3277
Tabdanov E, Gondarenko S, Kumari S, Liapis A, Dustin ML, Sheetz MP, Kam LC and Iskratsch T (2015). Micropatterning of TCR and LFA-1 ligands reveals complementary effects on cytoskeleton mechanics in T cells. Integr Biol (Camb)  vol. 7, (10) 1272-1284. 10.1039/c5ib00032g


Wolfenson H, Iskratsch T and Sheetz MP (2014). Early events in cell spreading as a model for quantitative analysis of biomechanical events. Biophysical Journal  vol. 107, (11) 2508-2514. 10.1016/j.bpj.2014.10.041
Iskratsch T, Wolfenson H and Sheetz MP (2014). Appreciating force and shape—the rise of mechanotransduction in cell biology. Nature Reviews. Molecular Cell Biology  vol. 15, (12) 825-833. 10.1038/nrm3903
Dwyer J, Pluess M, Iskratsch T, Dos Remedios CG and Ehler E (2014). The formin FHOD1 in cardiomyocytes. Anat Rec (Hoboken)  vol. 297, (9) 1560-1570. 10.1002/ar.22984
Zhang X, Moore SW, Iskratsch T and Sheetz MP (2014). N-WASP-directed actin polymerization activates Cas phosphorylation and lamellipodium spreading. Journal of Cell Science  vol. 127, (7) 1394-1405. 10.1242/jcs.134692


Iskratsch T, Yu CH, Mathur A, Liu S, Stévenin V, Dwyer J, Hone J, Ehler E and Sheetz M (2013). FHOD1 is needed for directed forces and adhesion maturation during cell spreading and migration. Developmental Cell  vol. 27, (5) 545-559. 10.1016/j.devcel.2013.11.003
Iskratsch T, Reijntjes S, Dwyer J, Toselli P, Dégano IR, Dominguez I and Ehler E (2013). Two distinct phosphorylation events govern the function of muscle FHOD3. Cellular and Molecular Life Sciences  vol. 70, (5) 893-908. 10.1007/s00018-012-1154-7
Lynch CD, Lazar AM, Iskratsch T, Zhang X and Sheetz MP (2013). Endoplasmic spreading requires coalescence of vimentin intermediate filaments at force-bearing adhesions. Molecular Biology of The Cell  vol. 24, (1) 21-30. 10.1091/mbc.E12-05-0377


Roca-Cusachs P, Iskratsch T and Sheetz MP (2012). Finding the weakest link-exploring integrin-mediated mechanical molecular pathways. Journal of Cell Science  vol. 125, (13) 3025-3038. 10.1242/jcs.095794
Dwyer J, Iskratsch T and Ehler E (2012). Actin in striated muscle: Recent insights into assembly and maintenance. Biophysical Reviews  vol. 4, (1) 17-25. 10.1007/s12551-011-0062-7


Iskratsch T and Ehler E (2011). Formin-g muscle cytoarchitecture. Bioarchitecture  vol. 1, (2) 66-68. 10.4161/bioa.1.2.15467


Iskratsch T, Lange S, Dwyer J, Kho AL, Dos Remedios C and Ehler E (2010). Formin follows function: A muscle-specific isoform of FHOD3 is regulated by CK2 phosphorylation and promotes myofibril maintenance. Journal of Cell Biology  vol. 191, (6) 1159-1172. 10.1083/jcb.201005060


Herbst R, Iskratsch T, Unger E and Bittner RE (2009). Aberrant development of neuromuscular junctions in glycosylation-defective Largemyd mice. Neuromuscular Disorders  vol. 19, (5) 366-378. 10.1016/j.nmd.2009.02.011
Gutternigg M, Rendi D, Voglauer R, Iskratsch T and Wilson IBH (2009). Mammalian cells contain a second nucleocytoplasmic Hexosaminidase. Biochemical Journal  vol. 419, (1) 83-90. 10.1042/BJ20081630
Iskratsch T, Braun A, Paschinger K and Wilson IBH (2009). Specificity analysis of lectins and antibodies using remodeled glycoproteins. Analytical Biochemistry  vol. 386, (2) 133-146. 10.1016/j.ab.2008.12.005


Grants of specific relevance to Predictive in vitro Models
The regulation of mechanosensing in healthy and atherosclerotic vascular smooth muscle cells
Swiatlowska P and Iskratsch T
£238,020 British Heart Foundation (01-12-2020 - 30-11-2023)
Investigating the cardiomyocyte rigidity sensing mechanism with micro patterned surfaces and nanopillars
Iskratsch T
£490,544 Biotechnology and Biological Sciences Research Council (01-02-2019 - 31-01-2022)