Sok Kean Khoo Ph.D.



Department of Cell and Molecular Biology

554 Cook-DeVos Center for Health Sciences

301 Michigan St. NE, Grand Rapids, MI 49503

Phone: (616) 331-9334 Email: [email protected]



Postdoctoral Fellow (Cancer Genetics and Genomics) Van Andel Institute, Grand Rapids, MI

Ph.D. (Fisheries Genetics) Tokyo University of Marine Science and Technology, Tokyo, Japan

M.S. (Reproductive Physiology) University of Science Malaysia, Penang, Malaysia

B.S. (Major: Aquatic Biology, Minor: Management) University of Science Malaysia, Penang, Malaysia


CMB 405 - Cellular & Molecular Biology

CMB 406 - Cellular & Molecular Biology Lab

CMB 409 / 509 - Responsible Conduct of Research

CMB 460 / 560 - Genomics and Molecular Diagnostics (New!)

CMB 501 - Scientific Communication

CMB 610 - Foundations in Biotechnology

CMB 697 - Colloquium in Biotechnology (MS Capstone)

Research Interests

Molecular biomarker discovery / development / validation, biospecimen science, host response to environmental or climate change

Current Grant Support 

The Campbell Foundation

Completed Grant Support (past 5 years)

National Institute of Health, The Michael J Fox Foundation, The Beckman Foundation

Publications (selected from 65)

Full publication list:


Khoo, S.K. Biofluid-based biomarkers for Parkinson's disease: a new paradigm (Editorial). AIMS Medical Science, 2:371-373 (2015)

Petillo, D., S. Orey, A.C. Tan, L. Forsgren, and S.K. Khoo. Parkinson's disease-related circulating microRNA biomarkers - a validation study. AIMS Medical Science, 2:7-14 (2015)

Shinde, S., S. Mukhopadhyay, G. Mohsen, and S.K. Khoo. Biofluid-based microRNA biomarkers for Parkinson's disease: an overview and update. AIMS Medical Science, 2:15-25 (2015)

Khoo, S.K., L.A. Neuman, L. Forsgren, D. Petillo, and P. Brundin. Could microRNA expression changes be a reliable clinical biomarker for Parkinson's disease? Neurodegenerative Disease Management, 3:455-465 (2013)

Ho, N.T., K.A. Furge, W-J, Fu, J. Busik, S.K. Khoo, Q. Lu, M. Lenski, J. Wirth, E. Hurwitz, N. Dodge, J.H. Resau, and N. Paneth. Gene expression in archived newborn blood spots distinguishes infants who will later develop cerebral palsy from matched controls. Pediatrics Research, 73:450-456 (2013)

Khoo, S.K., D. Petillo, U.J. Kang, J.H. Resau, B. Berryhill, J. Linder, L. Forsgren, L.A. Neuman, and A.C. Tan. Plasma-based circulating microRNA biomarkers for Parkinson's disease. Journal of Parkinson's Disease, 2:321-331(2012)


Gao C, Y. Su, J. Koeman, E. Haak, K. Dykema, C. Essenberg, E. Hudson, D. Petillo, S.K. Khoo, and G.F. Vande Woude.  Chromosome instability drives phenotypic switching to metastasis.  Proceedings of National Academy of Science, 113:14793–14798 (2016)

Dalgliesh, G.L., K. Furge, C. Greenman, L. Chen, G. Bignell, A. Butler, H. Davies, S. Edkins, C. Hardy, C. Latimer, J. Teague, J. Andrews, S. Barthorpe, D. Beare, G. Buck, P.J. Campbell, S. Forbes, M. Jia, D. Jones, H. Knott, C.Y. Kok, K.W. Lau, C. Leroy, M.L. Lin, D.J. McBride, M. Maddison, S. Maquire, K. McLay, A. Menzies, T. Mironenko, L. Mulderrig, L. Mudie, S. O'Meara, E. Pleasance, A. Rajasingham, R. Shepherd, R. Smith, L. Stebbings, P. Stephens, G. Tang, P.S. Tarpey, K. Turrell, K.J. Dykema, S.K. Khoo, D. Petillo, B. Wondergem, J. Adema, R.J. Kahnoski, B.T. Teh, M.R. Stratton, and P.A. Futreal. Systematic sequencing of renal carcinoma reveals inactivation of histone modifying genes. Nature, 463:360-363 (2010)

Khoo, S.K., P. Pendek, R. Nickolov, D.C. Luccio-Camelo, T.L. Newton, A. Massie, D. Petillo, J. Menon, D. Cameron, B.T. Teh, and S-P. Chan. Genome-wide scan identified novel modifier loci of acromegalic phenotypes for isolated familial somatotropinoma. Endocrine-Related Cancer, 16: 1957-1063 (2009)

van Haaften, G., G.L. Dalgliesh, H. Davies, L. Chen, G. Bignell, C. Greenman, S. Edkins, C. Hardy, S. O'Meara, J. Teague, A. Butler, J. Hinton, C. Latimer, J. Andrews, S. Barthorpe, D. Beare, G. Buck, P.J. Campbell, J. Cole, S. Forbes, M. Jia, D. Jones, C.Y. Kok, C. Leroy, M-L. Lin, D.J. McBride, M. Maddison, S. Maquire, K. McLay, A. Menzies, T. Mironenko, L. Mulderrig, L. Mudie, E. Pleasance, R. Shepherd, R. Smith, L. Stebbings, P. Stephens, G. Tang, P.S. Tarpey, R. Turner, K. Turrell, J. Varian, S. West, S. Widaa, P. Wray, V.P. Collins, K. Ichimura, S. Law, J. Wong, S.T. Yuen, S.Y. Leung, G. Tonon, R.A. DePinho, Y-T. Tai, K.C. Anderson, R.J. Kahnoski, A. Massie, S.K. Khoo, B.T. Teh, M.R. Stratton, and P.A. Futreal. Somatic mutations of the histone H3K27 demethylase gene UTX in human cancer. Nature Genetics, 41:521-523 (2009)

Matsuda, D., S.K. Khoo, A. Massie, M. Iwamura, J. Chen, D. Petillo, B. Wondergem, M. Avallone, S.J. Kloostra, M-H. Tan, J. Koeman, Z. Zhang, R.J. Kahnoski, The French Kidney Cancer Study Group, S. Baba, and B.T. Teh. Identification of copy number alterations and its association with pathological features in clear cell and papillary RCC. Cancer Letters, 272: 260-267 (2008)

Greenman, C., P. Stephens, R. Smith, G. Dalgliesh, C. Hunter, G. Bignell, H. Davies, J. Teague, A. Butler, C. Stevens, S. Edkins, S. O'Meara, T. Avis, S. Barthorpe, G. Bhamra, G. Buck, B. Choudhury, J. Clements, J. Cole, E. Dicks, S. Forbes, K. Gray, K. Halliday, R. Harrison, K. Hills, J. Hinton, A. Jenkinson, D. Jones, A. Menzies, T. Mironenko, J. Perry, K. Raine, D. Richardson, R. Shepherd, A. Small, C. Tofts, J. Varian, T. Webb, S. West, S. Widaa, A. Yates, D.P. Cahill, D.N. Louis, P. Goldstraw, A.G. Nicholson, F. Brasseur, L. Looijenga, B.L. Weber, Y-E. Chiew, A. deFazio, M.F. Greaves, A.R. Green, D.F. Easton, G. Chenevix-Trench, S.K. Khoo, M-H. Tan, B.T. Teh, S.T. Yuen, S.Y. Leung, R. Wooster, P.A. Futreal, and M. Stratton. Patterns of somatic mutation in human cancer genomes. Nature, 446:153-158 (2007)

Sweet, K, J. Willis, X.-P. Zhou, C. Gallione, T. Sawada, P. Alhopuro, S.K. Khoo, A. Patocs, C. Martin, S. Bridgeman, J. Heinz, R. Pilarski, R. Lehtonen, T. Prior, T. Frebourg, B.T. Teh, D.A. Marchuk, L.A. Aaltonen, and C. Eng. Molecular classification of patients with unexplained hamartomatous and hyperplastic polyposis. Journal of American Medical Association, 294:2465-2473 (2005)

Chen, J., W-O. Lui, M.D. Vos, G.J. Clark, M. Takahashi, J. Schoumans, S.K. Khoo, D. Petillo, T. Lavery, J. Sugimura, D. Astuti, C. Zhang, S. Kagawa, E. Maher, C. Larsson, A.S. Alberts, H. Kanayama, and B.T. Teh. The t(1;3) breakpoint-spanning genes LSAMP and NORE1 are involved in clear cell renal cell carcinomas. Cancer Cell, 4:405-413 (2003)

Khoo, S.K., K. Kahnoski, J. Sugimura, D. Petillo, J. Chen, K. Shockley, J. Ludlow, R. Knapp, S. Giraud, S. Richard, M. Nordenskjöld, and B.T. Teh. Inactivation of BHD in sporadic renal tumors. Cancer Research, 63:4583-4587 (2003)

Khoo, S.K., S. Giraud, K. Kahnoski, J. Chen, O. Motorna, R. Nickolov, O. Binet, D. Lambert, J. Friedel, R. Levy, S. Frelicot, P. Wolkenstein, P. Hammel, U. Bergerheim, M.-A, Hedblad, M. Bradley, B.T. Teh, M. Nordenskjöld, and S. Richard. Clinical and genetic studies of Birt-Hogg-Dubé syndrome. Journal of Medical Genetics, 39:906-912 (2002)

Khoo, S.K., M. Bradley, F.K. Wong, M.-A. Hedblad, M. Nordenskjöld, and B.T. Teh. Birt-Hogg-Dubé syndrome: mapping of a novel hereditary neoplasia gene to chromosome 17p12-q11.2. Oncogene, 20:5239-5242 (2001)

Dried Bloodspots

Bybjerg-Grauholm J, C.M. Hagen, S.K. Khoo, M.L. Johannesen, C.S. Hansen, M. Bækvad-Hansen, M. Christiansen, D.M. Hougaard, and M.V. Hollegaard.  RNA sequencing of archived neonatal dried blood spots.  Molecular Genetics and Metabolism Reports, 10:33-37 (2017)

Ho, N.T., J.V. Busik, J.H. Resau, N. Paneth, and S.K. Khoo.  Effect of storage time on gene expression data acquired from unfrozen archived newborn blood spots. Molecular Genetics and Metabolism, 119:207-213 (2016)

Grauholm, J. S.K. Khoo, R.Z. Nickolov, J.B. Poulsen, M. Baekvard-Hansen, C.S. Hansen, D.M. Hougaard, and M.V. Hollegaard. Gene expression profiling of archived dried blood spot samples from the Danish neonatal screening biobank.  Molecular Genetics and Metabolism, 116: 119-124 (2015) 

Wei, C., Q. Lu, S.K. Khoo, M. Lenski, R. Fichorova, and N. Paneth.  Comparison of frozen and unfrozen blood spots for gene expression studies.  Journal of Pediatrics, 164:189-191 (2014)

Slaughter, J., C. Wei, S. Korzeniewski, Q. Lu, J.S. Beck, S.K. Khoo, A. Brovont, J. Maurer, D. Martin, M. Lenski, and N. Paneth.  High correlations in gene expression between paired umbilical cord blood and neonatal blood of healthy newborns on Guthrie cards.  Journal of Maternal-Fetal & Neonatal Medicine, 26:1765-1767 (2013)

Ho, N.T., K.A. Furge, W-J, Fu, J. Busik, S.K. Khoo, Q. Lu, M. Lenski, J. Wirth, E. Hurwitz, N. Dodge, J.H. Resau, and N. Paneth. Gene expression in archived newborn blood spots distinguishes infants who will later develop cerebral palsy from matched controls. Pediatrics Research, 73:450-456 (2013)

Resau, J.H., N.T. Ho, K. Dykema, M.S. Faber, J. V. Busik, R.Z. Nickolov, K.A. Furge, N. Paneth, S. Jewell, and S.K. Khoo.  Evaluation of sex-specific gene expression in archived dried blood spots (DBS).  International Journal of Molecular Sciences, 13:9599-9608 (2012)

Khoo, S.K., K. Dykema, N.M. Vadlapatla, D. LaHaie, S. Valle, D. Satterthwaite, S.A. Ramirez, J.A. Carruthers, P.T. Haak, and J.H. Resau. Acquiring genome-wide gene expression profiles in Guthrie card blood spots using microarrays. Pathology International, 61:1-6 (2011)

Fisheries Science

Ozaki, A., S.K. Khoo, Y. Yoshiura, M. Ototake, T. Sakamoto, J.M. Dijkstra, and N. Okamoto. Identification of additional quantitative trait loci (QTL) responsible for susceptibility to infectious pancreatic necrosis virus in rainbow trout. Fish Pathology, 42:131-140 (2007)

Khoo, S.K., A. Ozaki, F. Nakamura, T. Akutsu, S. Ishimoto, R. Nickolov, T. Sakamoto, A. Tetsuya, M. Mochizuki, I. Denda, and N. Okamoto. Identification of a novel chromosomal region associated with infectious hematopoietic necrosis (IHN) resistance in rainbow trout Oncorhynchus mykiss. Fish Pathology, 39:95-101 (2004)

Ozaki, A., T. Sakamoto, S.K. Khoo, K. Nakamura, M.R.M. Coimbra, T. Akutsu, and N. Okamoto. Quantitative trait loci (QTLs) associated with resistance/susceptibility to infectious pancreatic necrosis virus (IPNV) in rainbow trout ( Oncorhynchus mykiss). Molecular Genetics and Genomics, 265:23-31 (2001)

Sakamoto, T., R.G. Danzmann, K. Gharbi, P. Howard, A. Ozaki, S.K. Khoo, R.A. Woram, N. Okamoto, M.M. Ferguson, L.-E. Holm, R. Guyomard, and B. Hoyheim. A microsatellite linkage map of rainbow trout ( Oncorhynchus mykiss) characterized by large sex-specific differences in recombination rates. Genetics, 155:1331-1345 (2000)

Khoo, S.K., A. Ozaki, T. Sakamoto, and N. Okamoto. Four highly polymorphic dinucleotide microsatellites in rainbow trout ( Oncorhynchus mykiss). Animal Genetics, 31:73 (2000)


Xu, E.H, Y. He, J. Shi, W. Yi, X. Ren, X. Gao, J. Li, N. Wu, K. Weaver, Q. Xie, S.K. Khoo, T. Yang, X. Huang, and K. Melcher.  Discovery of a highly potent glucocorticoid for asthma treatment.  Cell Discovery, 1:15035 (2015)

Joshi, N., R-W. Su, C. Gadisetti, S.K. Khoo, J-W. Jeong, S. Young, B. Lessy, and A. Fazleabas. Altered expression of microRNA-451 (miR-451) in eutopic endometrium of baboons (Papio anubis) with endometriosis. Human Reproduction, 30:2881-2891 (2015)

Khoo, S.K., D. Petillo, M. Parida, A.C. Tan, J.H. Resau, and S.K. Obaro. Host response transcriptional profiling reveals extracellular components and ABC (ATP-binding cassette) transporters gene enrichment in typhoid fever-infected Nigerian children. BMC Infectious Disease, 11:241(2011)

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