Our Team

• Student Researcher of the Year Award, ATSU-SOMA (2023)
• Gold Humanism Honor Society, ATSU-SOMA (2022-2024)
• Silver TOUCH Award, Two Time Recipient, ATSU-SOMA (2021-2022)
• Highest Departmental Honors, Department of Neuroscience, UCLA (2016)
• Alpha Lambda Delta and Phi Eta Sigma National Honor Societies, UCLA (2012-2016)
• The National Society of Collegiate Scholars, UCLA (2012-2016)

Publications

• Waldvogel, N., Ryu, H.J., Riba, M. (2026). Suicide Risk in Glioblastoma Multiforme: A Brief Review of Risk Factors, Screening, and Prevention. Current Psychiatry Reports.
• Jacobs J.P., Sauk, J.S., Ahdoot A.I., , Liang F, Katzka W, Ryu H.J., Khandadash A, Lagishetty V, Labus J.S., Naliboff B, Mayer E.A. (2024). Microbial and Metabolite Signatures of Stress Reactivity in Ulcerative Colitis Patients in Clinical Remission Predict Clinical Flare Risk. Inflammatory Bowel Diseases, Volume 30, Issue 3.
• Mayer, E. A., Ryu, H. J., & Bhatt, R. (2023). The neurobiology of irritable bowel syndrome. Nature Molecular Psychiatry, 1-15.
• Sauk, J. S., Ryu, H. J., Labus, J. S., Khandadash, A., Ahdoot, A. I., Lagishetty, V., … & Mayer, E. A. (2022). High Perceived Stress is Associated with Increased Risk of Ulcerative Colitis Clinical Flares. Clinical Gastroenterology and Hepatology.
• Grinsvall, C., Van, L. O., Dupont, P., Ryu, H. J., Ljungberg, M., Labus, J. S., … & Simrén, M. (2021). Altered Structural Covariance of Insula, Cerebellum and Prefrontal Cortex Is Associated with Somatic Symptom Levels in Irritable Bowel Syndrome (IBS). Brain sciences, 11(12).
• Ryu, H. J., Grinsvall, C., Van Oudenhove, L., Labus, J. S., Gupta, A., Ljungberg, M., … & Simrén, M. (2021). Association between pain sensitivity and gray matter properties in the sensorimotor network in women with irritable bowel syndrome. Neurogastroenterology & Motility, 33(4), e14027.
• Sauk, J., Ryu, H. J., Labus, J., Liu, C., Stains, J., Dvorsky, M., … & Mayer, E. (2020). High Stress Reactivity and Symptom Flares in Ulcerative Colitis Patients. Gastroenterology, 158(3), S103-S104.
• Turkiewicz, J., Ryu, H. J., & Mayer, E. A. (2019). Gut microbes and behavior. Current Opinion in Behavioral Sciences, 28, 72-77.
• Ryu, H. J. & Mayer, E. A. (2019). The Gut-Brain Axis and Microbiome in Psychiatric Disorders. In Lifestyle Psychiatry (pp. 259-283). American Psychiatric Association Publishing. Washington, DC.
• Grinsvall, C., Van Oudenhove, L., Labus, J. S., Ryu, H. J., Dupont, P., Tornblom, H., … & Simren, M. (2018). A Somatization Brain Network in Irritable Bowel Syndrome (IBS). Gastroenterology, 154(6), S326-S327.
• Ryu, H. J., Labus, J. S., Bhatt, R., Tillisch, K., Naliboff, B. D., Ashe-McNalley, C., … & Mayer, E. A. (2018). Sa1603-Cognitive Behavioral Therapy is Associated with Symptom Improvement and Gray Matter Changes in Sensorimotor and Salience Network Regions in Irritable Bowel Syndrome. Gastroenterology, 154(6), S-327.
• Ryu, H. J. & Ryu, J. S. (2018). Should I Have Lied? Journal of Clinical Oncology, 36(32), 3269-3270.
• Ryu, H. J., Macey, P. M., Labus, J. L., Stains, J., Smith, S. R., Serpa, J. G., … & Tillisch, K. (2016). Mindfulness improves brain structure in irritable bowel syndrome (IBS). Neurogastroenterology and Motility, Vol. 28, pp. 15-15.
• Ryu, J. S., Ryu, H. J., Lee, S. N., Memon, A., Lee, S. K., Nam, H. S., … & Hwang, S. S. (2014). Prognostic impact of minimal pleural effusion in non–small-cell lung cancer. Journal of Clinical Oncology, 32(9), 960-967.
• Ryu, J. S., Ryu, H. J., Nam, H. S., & Kim, H. J. (2013). Prognostic Significance of Minimal Pleural Effusion in Non-small Cell Lung Cancer Patients. Chest, 144(4), 513A.

Abstracts / Posters

• Ryu HJ, Dykstra MP, Elliott D, Dess RT, Jackson, WC, Stensland KD, Bryant AK (2026). Prognostic Impact of Grade Group Discordance between MRI-Targeted and Systematic Biopsy Cores in Localized Prostate Cancer. American Society for Radiation Oncology (ASTRO). Boston, MA.
• Bergholtz S, Gutshe N, Ryu HJ, Evans J, Rice J, Shah JL (2026). Patient Experiences as Clinical Trial Participants in Radiation Oncology: A Single Institution Survey-Based Study. American Society for Radiation Oncology (ASTRO). Boston, MA.
• Ryu HJ, Tran C, Waite A, Nakamatsu K, McGinnis M, Marguiles K, Sanders K, Walter C, Adams C, Whelihan K, Lewis JH (2022). Impact of Community Outreach on Methamphetamine Abuse and Mental Health Awareness in High School Students of O’ahu, Hawai’i. National Associations of Community Health Centers (NACHC) Community Health Institute & Expo. Chicago, IL.
• Sauk J, Ryu HJ, Labus J, Liu C, Stains J, Dvorsky M, Lagishetty V, Naliboff B, Jacobs J, Mayer E. (2020, May). High Stress Reactivity and Symptom Flares in Ulcerative Colitis Patients. Digestive Diseases Week, Chicago, IL.
• Sauk J, Ryu HJ, Labus J, Liu C, Stains J, Dvorsky M, Lagishetty V, Naliboff B, Jacobs J, Mayer E. (2020, January). High Stress Reactivity and Symptom Flares in Ulcerative Colitis Patients. Crohn’s and Colitis Congress, Austin, TX.
• Grinsvall, C; Van Oudenhove, L; Labus, JS; Ryu, HJ; Dupont, P; Törnblom, H; Mayer, EA.; Simren, M (2018, June). A Somatization Brain Network in Irritable Bowel Syndrome (IBS). Digestive Diseases Week, Washington, DC.
• Ryu, HJ; Labus, JS; Bhatt, R; Tillisch, K; Naliboff, B; Ashe-McNalley, C; Firth, R; Lackner, J; Mayer, EA (2018, June). Cognitive Behavioral Therapy is Associated with Symptom Improvement and Gray Matter Changes in Sensorimotor and Salience Network Regions in Irritable Bowel Syndrome. Digestive Diseases Week, Washington, DC.
• Ryu, HJ; Labus, J; Bhatt, R; Tillisch, K; Naliboff, B; Ashe-McNalley, C; Firth, R; Lackner, J; Mayer, EA (2018, March). Cognitive Behavioral Therapy is Associated with Symptom Improvement and Gray Matter Changes in Sensorimotor and Salience Network Regions in Irritable Bowel Syndrome. Annual Meeting and Poster Session, UCLA CURE: Digestive Diseases Research Center, Los Angeles, CA.
• Ryu, HJ; Macey, P; Labus, J; Stains, J; Smith, S; Serpa, J; Naliboff, B; Tillisch, K (2016, October). Mindfulness Improves Brain Structure in Irritable Bowel Syndrome (IBS). Department of Medicine Poster Day, UCLA, Los Angeles, California
• Ryu, HJ; Macey, P; Labus, J; Stains, J; Smith, S; Serpa, J; Naliboff, B; Tillisch, K (2016, May). Mindfulness Improves Brain Structure in Irritable Bowel Syndrome (IBS). Oral Presentation, American Neurogastroenterology and Motility Society. San Francisco, CA.
• Ryu, JS; Ryu, HJ; Nam, HS; Kim, HJ (2013, October). Prognostic Significance of Minimal Pleural Effusion in Non-small Cell Lung Cancer Patients. CHEST Annual Meeting, Chicago, IL.