People_
Dr Michel Tchan
BMedSc, MBBS, PhD, FRACP
Clinical Associate Professor
Dr Tchan is a clinical and metabolic geneticist looking after adults with genetic disorders. He is currently responsible for the NSW Adult Genetic Metabolic Disorders Clinic.
Dr Tchan has active research interests in clinical aspects of the lysosomal storage disorders, particularly Fabry and Pompe diseases. He is involved in a number of collaborative programmes looking into neurological function in these diseases. He also has a strong interest in neurogenetic and renal genetic disorders.
Publications
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Book Chapters
- Ham, K., Johnsen, R., Tchan, M., Wilton, S. (2023). Developing Therapeutic Splice-Correcting Antisense Oligomers for Adult-Onset Pompe Disease with c.-32-13T>G Mutation. Methods in Molecular Biology, (pp. 239-251). [More Information]
- Sirrs, S., Hollak, C., Merkel, M., Sechi, A., Glamuzina, E., Janssen, M., Lachmann, R., Langendonk, J., Scarpelli, M., Ben Omran, T., Tchan, M., et al (2016). The Frequencies of Different Inborn Errors of Metabolism in Adult Metabolic Centres: Report from the SSIEM Adult Metabolic Physicians Group. In E. Morava, M. Baumgartner, M. Patterson, S. Rahman, J. Zschocke and V. Peters (Eds.), JIMD Reports, (pp. 85-91). Berlin: Springer-Verlag. [More Information]
- Cheung, R., Sillence, D., Tchan, M. (2012). Homocysteine and Erythrocyte Sedimentation Rate Correlate with Cerebrovascular Disease in Fabry Disease. In Society for the Study of Inborn Errors of Metabolism (Eds.), JIMD Reports - Case and Research Reports, 2012/3, (pp. 101-105). New York: Springer. [More Information]
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Journals
- Rudaks, L., Stevanovski, I., Yeow, D., Reis, A., Chintalaphani, S., Cheong, P., Gamaarachchi, H., Worgan, L., Ahmad, K., Hayes, M., Fung, V., Tchan, M., Ng, K., Kennerson, M., Kumar, K., et al (2025). Targeted Long-Read Sequencing as a Single Assay Improves the Diagnosis of Spastic-Ataxia Disorders. Annals of Clinical and Translational Neurology, 0, 1-10. [More Information]
- Williams, L., Waller, S., Qiu, J., Innes, E., Elserafy, N., Procopis, P., Sampaio, H., Mahant, N., Tchan, M., Mohammad, S., Fung, V., et al (2024). DHDDS and NUS1: A Converging Pathway and Common Phenotype. Movement Disorders Clinical Practice, 11(1), 76-85. [More Information]
- Nicholls, K., Denaro, C., Tchan, M., Ellaway, C., Bratkovic, D., Campbell, S., Fookes, M., Thomas, M. (2024). Fabry-specific treatment in Australia: time to align eligibility criteria with international best practices. Internal Medicine Journal. [More Information]
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2025
- Rudaks, L., Stevanovski, I., Yeow, D., Reis, A., Chintalaphani, S., Cheong, P., Gamaarachchi, H., Worgan, L., Ahmad, K., Hayes, M., Fung, V., Tchan, M., Ng, K., Kennerson, M., Kumar, K., et al (2025). Targeted Long-Read Sequencing as a Single Assay Improves the Diagnosis of Spastic-Ataxia Disorders. Annals of Clinical and Translational Neurology, 0, 1-10. [More Information]
2024
- Williams, L., Waller, S., Qiu, J., Innes, E., Elserafy, N., Procopis, P., Sampaio, H., Mahant, N., Tchan, M., Mohammad, S., Fung, V., et al (2024). DHDDS and NUS1: A Converging Pathway and Common Phenotype. Movement Disorders Clinical Practice, 11(1), 76-85. [More Information]
- Nicholls, K., Denaro, C., Tchan, M., Ellaway, C., Bratkovic, D., Campbell, S., Fookes, M., Thomas, M. (2024). Fabry-specific treatment in Australia: time to align eligibility criteria with international best practices. Internal Medicine Journal. [More Information]
- Fellner, A., Wali, G., Mahant, N., Grosz, B., Ellis, M., Narayanan, R., Ng, K., Davis, R., Tchan, M., Kotschet, K., et al (2024). Genome sequencing reanalysis increases the diagnostic yield in dystonia. Parkinsonism and Related Disorders, 124. [More Information]
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2023
- Wasserstein, M., Lachmann, R., Hollak, C., Barbato, A., Gallagher, R., Giugliani, R., Guelbert, N., Hennermann, J., Ikezoe, T., Lidove, O., et al (2023). Continued improvement in disease manifestations of acid sphingomyelinase deficiency for adults with up to 2 years of olipudase alfa treatment: open-label extension of the ASCEND trial. Orphanet Journal of Rare Diseases, 18(1). [More Information]
- Ham, K., Johnsen, R., Tchan, M., Wilton, S. (2023). Developing Therapeutic Splice-Correcting Antisense Oligomers for Adult-Onset Pompe Disease with c.-32-13T>G Mutation. Methods in Molecular Biology, (pp. 239-251). [More Information]
- Massey, S., Guo, Y., Riley, L., Van Bergen, N., Sandaradura, S., McCusker, E., Tchan, M., Thauvin-Robinet, C., Thomas, Q., Moreau, T., et al (2023). Expanding the Allelic Heterogeneity of ANO10-Associated Autosomal Recessive Cerebellar Ataxia. Neurology: Genetics, 9(1), e200051. [More Information]
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2022
- Grosz, B., Tisch, S., Tchan, M., Fung, V., Darveniza, P., Fellner, A., Kurian, M., McLean, A., Tomlinson, S., Smyth, R., Wu, K., Kennerson, M., Kumar, K., et al (2022). A novel synonymous KMT2B variant in a patient with dystonia causes aberrant splicing. Molecular Genetics & Genomic Medicine, 10(5), e1923-1-e1923-6. [More Information]
- Wasserstein, M., Lachmann, R., Hollak, C., Arash-Kaps, L., Barbato, A., Gallagher, R., Giugliani, R., Guelbert, N., Ikezoe, T., Lidove, O., et al (2022). A randomized, placebo-controlled clinical trial evaluating olipudase alfa enzyme replacement therapy for chronic acid sphingomyelinase deficiency (ASMD) in adults: One-year results. Genetics in Medicine, 24(7), 1425-1436. [More Information]
- Martin, A., Ong, T., Briceno-Morales, H., Tchan, M., Fung, V. (2022). ATP1A3-Related Relapsing Encephalopathy with Cerebellar Ataxia (RECA): A Genetic Disorder with an Inflammatory Basis? Movement Disorders Clinical Practice, 9(8), 1120-1123. [More Information]
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2021
- Zada, M., Lo, Q., Boyd, A., Bradley, S., Devine, K., Denaro, C., Sadick, N., Richards, D., Tchan, M., Thomas, L. (2021). Basal Segmental Longitudinal Strain: A Marker of Subclinical Myocardial Involvement in Anderson-Fabry Disease. Journal of the American Society of Echocardiography, 34(4), 405-413.e2. [More Information]
- Hellewell, S., Welton, T., Eisenhuth, K., Tchan, M., Grieve, S. (2021). Diffusion kurtosis imaging detects subclinical white matter abnormalities in Phenylketonuria. NeuroImage: Clinical, 29, 102555-1-102555-9. [More Information]
- Mallawaarachchi, A., Lundie, B., Hort, Y., Schonrock, N., Senum, S., Gayevskiy, V., Minoche, A., Hollway, G., Ohnesorg, T., Hinchcliffe, M., Rangan, G., et al (2021). Genomic diagnostics in polycystic kidney disease: an assessment of real-world use of whole-genome sequencing. European Journal of Human Genetics, 29(5), 760-770. [More Information]
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2020
- Morales-Briceno, H., Mohammad, S., Post, B., Fois, A., Dale, R., Tchan, M., Fung, V. (2020). Clinical and neuroimaging phenotypes of genetic parkinsonism from infancy to adolescence. Brain, 143(3), 751-770. [More Information]
- van Rijt, W., Jager, E., Allersma, D., Aktu?lu Zeybek, A., Bhattacharya, K., Debray, F., Ellaway, C., Gautschi, M., Geraghty, M., Gil-Ortega, D., Tchan, M., et al (2020). Efficacy and safety of D,L-3-hydroxybutyrate (D,L-3-HB) treatment in multiple acyl-CoA dehydrogenase deficiency. Genetics in Medicine, 22(5), 908-916. [More Information]
- Tchan, M., Henderson, R., Kornberg, A., Kairaitis, K., Fuller, M., Davis, M., Ellaway, C., Reardon, K., Corbett, A., Needham, M., et al (2020). Is it Pompe Disease? Australian diagnostic considerations. Neuromuscular Disorders, 30(5), 389-399. [More Information]
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2019
- Vijapurapu, R., Kozor, R., Hughes, D., Woolfson, P., Jovanovic, A., Deegan, P., Rusk, R., Figtree, G., Tchan, M., Whalley, D., et al (2019). A randomised controlled trial evaluating arrhythmia burden, risk of sudden cardiac death and stroke in patients with Fabry disease: the role of implantable loop recorders (RaILRoAD) compared with current standard practice. Trials, 20(1), 1-10. [More Information]
- Li, J., Shingde, M., Nankivell, B., Tchan, M., Bose, B., Chapman, J., Kable, K., Kim, S., Vucak-Dzumhur, M., Wong, G., Rangan, G. (2019). Adenine Phosphoribosyltransferase Deficiency: A Potentially Reversible Cause of CKD. Kidney International Reports, 4(8), 1161-1170. [More Information]
- Vijapurapu, R., Nordin, S., Baig, S., Liu, B., Rosmini, S., Augusto, J., Tchan, M., Hughes, D., Geberhiwot, T., Moon, J., Kozor, R., et al (2019). Global longitudinal strain, myocardial storage and hypertrophy in Fabry disease. Heart, 105(6), 470-476. [More Information]
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2018
- Prasad, R., Estrella, J., Christodoulou, J., McKellar, G., Tchan, M. (2018). A Third Case of Glycogen Storage Disease IB and Giant Cell Tumour of the Mandible: A Disease Association or Iatrogenic Complication of Therapy. JIMD Reports, 42, 5-8. [More Information]
- Nordin, S., Kozor, R., Baig, S., Abdel-Gadir, A., Medina-Menacho, K., Rosmini, S., Captur, G., Tchan, M., Geberhiwot, T., Murphy, E., et al (2018). Cardiac phenotype of prehypertrophic fabry disease. Circulation: Cardiovascular Imaging, 11(6), 1-11. [More Information]
- Tchan, M. (2018). Hyperammonemia and lactic acidosis in adults: Differential diagnoses with a focus on inborn errors of metabolism. Reviews in Endocrine & Metabolic Disorders, 19(1), 69-79. [More Information]
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2017
- Bigot, A., Tchan, M., Thoreau, B., Blasco, H., Maillot, F. (2017). Liver involvement in urea cycle disorders: a review of the literature. Journal of Inherited Metabolic Disease, 40(6), 757-769. [More Information]
- Bigot, A., Brunault, P., Lavigne, C., Feillet, F., Odent, S., Kaphan, E., Thauvin, C., Leguy, V., Broue, P., Tchan, M., et al (2017). Psychiatric adult-onset of urea cycle disorders: A case-series. Molecular Genetics and Metabolism Reports, 12, 103-109. [More Information]
2016
- Horovitz, D., Acosta, A., Giugliani, R., Hlavata, A., Hlavata, K., Tchan, M., Lopes Barth, A., Cardoso, L., Embirucu de Araujo Leao, E., Esposito, A., et al (2016). Alternative laronidase dose regimen for patients with mucopolysaccharidosis I: A multinational, retrospective, chart review case series. Orphanet Journal of Rare Diseases, 11(1), 1-8. [More Information]
- Kozor, R., Grieve, S., Tchan, M., Callaghan, F., Hamilton-Craig, C., Denaro, C., Moon, J., Figtree, G. (2016). Cardiac involvement in genotype-positive Fabry disease patients assessed by cardiovascular MR. Heart, 102(4), 298-302. [More Information]
- Jaure, A., Tunnicliffe, D., Lopez-Vargas, P., Mallett, A., Patel, C., Savige, J., Campbell, K., Patel, M., Tchan, M., Alexander, S., Lee, V., Craig, J., Rangan, G., et al (2016). Identifying and integrating consumer perspectives in clinical practice guidelines on autosomal-dominant polycystic kidney disease. Nephrology, 21(2), 122-132. [More Information]
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2015
- Kozor, R., Callaghan, F., Tchan, M., Hamilton-Craig, C., Figtree, G., Grieve, S. (2015). A disproportionate contribution of papillary muscles and trabeculations to total left ventricular mass makes choice of cardiovascular magnetic resonance analysis technique critical in Fabry disease. Journal of Cardiovascular Magnetic Resonance, 17(1), 1-7. [More Information]
- Qian, P., Ross, D., Tchan, M., Sadick, N. (2015). A patient with recurrent disabling atrial fibrillation and Fabry cardiomyopathy successfully treated with single ring pulmonary vein isolation. International Journal of Cardiology, 182C, 375-376. [More Information]
- Alexander, S., Rangan, G., Tchan, M., McCarthy, W., Mallett, A., Patel, C., Maier, A., McGaughran, J., Gabbett, M., Takasato, M., et al (2015). A protocol for the identification and validation of novel genetic causes of kidney disease. BMC Nephrology, 16(1), 152. [More Information]
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2014
- Sigmundsdottir, L., Tchan, M., Knopman, A., Menzies, G., Batchelor, J., Sillence, D. (2014). Cognitive and Psychological Functioning in Fabry Disease. Archives of Clinical Neuropsychology, 29(7), 642-650. [More Information]
- Estrella, J., Wilcken, B., Carpenter, K., Bhattacharya, K., Tchan, M., Wiley, V. (2014). Expanded newborn screening in New South Wales: missed cases. Journal of Inherited Metabolic Disease, 37(6), 881-887. [More Information]
- Estrella, J., Yee, G., Wilcken, B., Tchan, M., Talbot, M. (2014). Hyperammonemic encephalopathy complicating bariatric surgery: A case study and review of the literature. Surgery for Obesity and Related Diseases, 10(3), e35-e38. [More Information]
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2013
- Boyd, A., Lo, Q., Devine, K., Tchan, M., Sillence, D., Sadick, N., Richards, D., Thomas, L. (2013). Left atrial enlargement and reduced atrial compliance occurs early in fabry cardiomyopathy. Journal of the American Society of Echocardiography, 26(12), 1415-1423. [More Information]
- Riley, L., Menezes, M., Rudinger-Thirion, J., Duff, R., de Lonlay, P., Rotig, A., Tchan, M., Davis, M., Cooper, S., Christodoulou, J. (2013). Phenotypic variability and identification of novel YARS2 mutations in YARS2 mitochondrial myopathy, lactic acidosis and sideroblastic anaemia. Orphanet Journal of Rare Diseases, 8(1), 1-11. [More Information]
- Tchan, M., Westbrook, M., Wilcox, G., Cutler, R., Smith, N., Penman, R., Strauss, B., Wilcken, B. (2013). The Management of Pregnancy in Maple Syrup Urine Disease: Experience with Two Patients. JIMD Reports, 10, 113-117. [More Information]
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2012
- Cheung, R., Sillence, D., Tchan, M. (2012). Homocysteine and Erythrocyte Sedimentation Rate Correlate with Cerebrovascular Disease in Fabry Disease. In Society for the Study of Inborn Errors of Metabolism (Eds.), JIMD Reports - Case and Research Reports, 2012/3, (pp. 101-105). New York: Springer. [More Information]
- Cho, Y., Tchan, M., Roy, B., Halliday, R., Wilson, M., Dutt, S., Siew, S., Munns, C., Howard, N. (2012). Recombinant Parathyroid Hormone Therapy for Severe Neonatal Hypoparathyroidism. The Journal of Pediatrics, 160(2), 345-348. [More Information]
- Geevasinga, N., Tchan, M., Sillence, D., Vucic, S. (2012). Upregulation of inward rectifying currents and Fabry disease neuropathy. Journal of the Peripheral Nervous System, 17(4), 399-406. [More Information]
2011
- Tchan, M., Sillence, D. (2011). Fabry disease and Factor V Leiden: a potent vascular risk combination. Internal Medicine Journal, 41(5), 422-426. [More Information]
- Tchan, M., Graf, N., Sillence, D. (2011). Sub-pleural bullous changes in two adults with Mucopolysaccharidosis type I (Hurler-Scheie). Journal of Inherited Metabolic Disease, 34(2), 547-548. [More Information]
- Tchan, M., Sillence, D., Devine, K. (2011). Three adult siblings with Mucopolysaccharidosis type II (Hunter syndrome): a report on clinical heterogeneity and 12 months of therapy with idursulfase. JIMD Reports, (pp. 57-64). Berlin: Springer Verlag. [More Information]
2009
- Tchan, M., Sillence, D. (2009). Extrapyramidal symptoms and medication use in Mucopolysaccharidosis type III. Journal of Intellectual and Developmental Disability, 34(3), 275-9. [More Information]
- Jenkins, Z., van Kogelenberg, M., Morgan, T., Jeffs, A., Fukuzawa, R., Pearl, E., Thaller, C., Hing, A., Porteous, M., Ades, L., Tchan, M., et al (2009). Germline mutations in WTX cause a sclerosing skeletal dysplasia but do not predispose to tumorigenesis. Nature Genetics, 41(1), 95-100. [More Information]
2008
- Tchan, M., George, M., Thomas, M. (2008). Metastatic prostate cancer mimicking primary osteosarcoma of the jaw: an infrequent clinical case. Southern Medical Journal, 101(6), 657-659. [More Information]
2001
- Tchan, M., Weiss, A. (2001). Asn78 and His81 form a destabilizing locus within the Max HLH-LZ homodimer. FEBS Letters, 509, 177-180.
Selected Grants
2023
- Introducing Mitochondrial Donation in Australia: The MitoHOPE (Healthy Outcomes Pilot and Evaluation) Program, Tchan M, Semsarian C, Department of Health and Aged Care (Federal - administered by NHMRC)/Emerging Priorities and Consumer Driven Research Initiative 2023