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Mark A. Valasek

University of California System

49H-index
165Paper Count
1.1WCitation Count
Published Papers 67
Publication Date
Global Longitudinal Assessment of MASLD Using Magnetic Resonance Elastography (GOLDMINE): A Multi-Center, International Prospective Cohort Study of Imaging Biomarkers in MASLD Clinical Outcomes
err2026-04-01
err2
PREAI
errSharpton, Suzanne; Diaz, Luis Antonio; Pepin, Kay; Amangurbanova, Maral; Madamba, Egbert; Bettencourt, Ricki; Singh, Seema; Valasek, Mark; Dalupang, Mary; Tesfai, Kaleb; Middleton, Michael S.; Behling, Cynthia; Dunn, Winston; Nakajima, Atsushi; Imajo, Kento; Ogawa, Yuji; Caussy, Cyrielle; Halegoua-DeMarzio, Dina; Mohanty, Arpan; Huang, Daniel Q.; Fuchs, Michael; Hameed, Bilal; Stine, Jonathan G.; Balakrishnan, Maya; Gray, Meagan; Rodriguez, Manuel; DeLeon, Andre; Puskoor, Rohit; Vuppalanchi, Raj; Behari, Jaideep; Hansen, Lars; Miller, Cynthia; Medici, Valentina; Sarkar, Souvik; Boursier, Jerome; Tincopa, Monica; Ajmera, Veeral; Richards, Lisa; Sirlin, Claude B.; Ehman, Richard L.; Loomba, Rohit
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Development of 3D-iNET ORION: a novel, pre-clinical, three-dimensional in vitro cell model for modeling human metastatic neuroendocrine tumor of the pancreas
err2024-08-05
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errOAAI
errStrnadel, Jan; Valasek, Mark A.; Lin, Grace Y.; Lin, Huahui; Tipps, Ann M. Ponsford; Woo, Sang Myung; Fujimura, Ken; Wang, Huawei; Choi, Sunkyu; Bui, Jack; Hermosillo, Christopher; Jepsen, Kristen; Navarro, Michael R.; Kelber, Jonathan A.; Klemke, Richard L.; Bouvet, Michael
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Clinical and histologic factors associated with discordance between steatosis grade derived from histology vs. MRI-PDFF in NAFLD
err2023-06-02
err9
PREAI
errKim, Beom K.; Bernstein, Nicole; Huang, Daniel Q.; Tamaki, Nobuharu; Imajo, Kento; Yoneda, Masato; Sutter, Nancy; Jung, Jinho; Nguyen, Khang; Nguyen, Leyna; Le, Tracy; Madamba, Egbert; Richards, Lisa; Valasek, Mark A.; Behling, Cynthia; Sirlin, Claude B.; Nakajima, Atsushi; Loomba, Rohit
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Two-Step Strategy, FIB-4 Followed by Magnetic Resonance Elastography, for Detecting Advanced Fibrosis in NAFLD
err2023-02-01
err17
PREAI
errTamaki, Nobuharu; Imajo, Kento; Sharpton, Suzanne R.; Jung, Jinho; Sutter, Nancy; Kawamura, Nobuyoshi; Yoneda, Masato; Valasek, Mark A.; Behling, Cynthia; Sirlin, Claude B.; Kurosaki, Masayuki; Izumi, Namiki; Nakajima, Atsushi; Loomba, Rohit
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Prevalence and Correlations of Gastrointestinal Symptoms With Endoscopic and Histologic Mucosal Healing in Crohn's Disease
err2022-12-23
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PREAI
errTse, Chung Sang; Singh, Siddharth; Valasek, Mark A.; Neill, Jennifer; Le, Helen; Collins, Angelina E.; Boland, Brigid Sweeney
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Head-to-head comparison between MEFIB, MAST, and FAST for detecting stage 2 fibrosis or higher among patients with NAFLD
err2022-12-01
err62
errOAAI
errKim, Beom Kyung; Tamaki, Nobuharu; Imajo, Kento; Yoneda, Masato; Sutter, Nancy; Jung, Jinho; Lin, Tuo; Tu, Xin M.; Bergstrom, Jaclyn; Khang Nguyen; Nguyen, Leyna; Le, Tracy; Madamba, Egbert; Richards, Lisa; Valasek, Mark A.; Behling, Cynthia; Sirlin, Claude B.; Nakajima, Atsushi; Loomba, Rohit
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Reliability of histologic assessment for NAFLD and development of an expanded NAFLD activity score
err2022-04-06
err22
errOAAI
errPai, Rish K.; Jairath, Vipul; Hogan, Malcolm; Zou, Guangyong; Adeyi, Oyedele A.; Anstee, Quentin M.; Aqel, Bashar A.; Behling, Cynthia; Carey, Elizabeth J.; Clouston, Andrew D.; Corey, Kathleen; Feagan, Brian G.; Kleiner, David E.; Ma, Christopher; McFarlane, Stefanie C.; Noureddin, Mazen; Ratziu, Vlad; Valasek, Mark A.; Younossi, Zobair M.; Harrison, Stephen A.; Loomba, Rohit
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Spatial Evolution of Histologic and Endoscopic Healing in the Left and Right Colon in Patients With Ulcerative Colitis
err2022-04-01
err8
errOAAI
errJangi, Sushrut; Holmer, Ariela K.; Dulai, Parambir S.; Boland, Brigid; Valasek, Mark; Jairath, Vipul; Feagan, Brian G.; Sandborn, William J.; Singh, Siddharth
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Magnetic resonance elastography plus Fibrosis-4 versus FibroScan-aspartate aminotransferase in detection of candidates for pharmacological treatment of NASH-related fibrosis
err2021-12-15
err45
errOAAI
errTamaki, Nobuharu; Imajo, Kento; Sharpton, Suzanne; Jung, Jinho; Kawamura, Nobuyoshi; Yoneda, Masato; Valasek, Mark A.; Behling, Cynthia; Sirlin, Claude B.; Nakajima, Atsushi; Loomba, Rohit
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Clinical Utility of Change in Nonalcoholic Fatty Liver Disease Activity Score and Change in Fibrosis in NAFLD
err2021-12-01
err8
errOAAI
errTamaki, Nobuharu; Munaganuru, Nagambika; Jung, Jinho; Yonan, Aed Qas; Bettencourt, Richele; Ajmera, Veeral; Valasek, Mark A.; Behling, Cynthia; Loomba, Rohit
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Diagnostic accuracy of two-dimensional shear wave elastography and transient elastography in nonalcoholic fatty liver disease
err2021-10-08
err19
errOAAI
errSharpton, Suzanne R.; Tamaki, Nobuharu; Bettencourt, Ricki; Madamba, Egbert; Jung, Jinho; Liu, Amy; Behling, Cynthia; Valasek, Mark A.; Loomba, Rohit
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An International Consensus to Standardize Integration of Histopathology in Ulcerative Colitis Clinical Trials
err2021-06-01
err68
errOAAI
errMa, Christopher; Sedano, Rocio; Almradi, Ahmed; Vande Casteele, Niels; Parker, Claire E.; Guizzetti, Leonardo; Schaeffer, David F.; Riddell, Robert H.; Pai, Reetesh K.; Battat, Robert; Sands, Bruce E.; Rosty, Christophe; Dubinsky, Marla C.; Rieder, Florian; Harpaz, Noam; Abreu, Maria T.; Bryant, Robert, V; Lauwers, Gregory Y.; Kirsch, Richard; Valasek, Mark A.; Crowley, Eileen; Sandborn, William J.; Feagan, Brian G.; Pai, Rish K.; Jairath, Vipul
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Letter: the combination of histologic remission and Mayo endoscopic score 1 as a suitable therapeutic target in ulcerative colitis-authors' reply
err2021-03-21
err0
errOAAI
errJangi, Sushrut; Yoon, Hyuk; Dulai, Parambir; Valasek, Mark; Boland, Brigid; Jairath, Vipul; Feagan, Brian; Sandborn, William; Singh, Siddharth
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An expert consensus to standardise the assessment of histological disease activity in Crohn's disease clinical trials
err2021-01-07
err23
PREAI
errAlmradi, Ahmed; Ma, Christopher; D'Haens, Geert R.; Sandborn, William J.; Parker, Claire E.; Guizzetti, Leonardo; Nunes, Paula Borralho; De Hertogh, Gert; Feakins, Roger M.; Khanna, Reena; Lauwers, Gregory Y.; Mookhoek, Aart; Pai, Reetesh K.; Peyrin-Biroulet, Laurent; Riddell, Robert; Rosty, Christophe; Schaeffer, David F.; Valasek, Mark A.; Singh, Siddharth; Crowley, Eileen; Feagan, Brian G.; Jairath, Vipul; Pai, Rish K.
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Evaluating the optimum number of biopsies to assess histological inflammation in ulcerative colitis: a retrospective cohort study
err2020-09-27
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errOAAI
errBattat, Robert; Vande Casteele, Niels; Pai, Rish K.; Wang, Zhongya; Zou, Guangyong; McDonald, John W. D.; Duijvestein, Marjolijn; Jeyarajah, Jenny; Parker, Claire E.; Van Viegen, Tanja; Nelson, Sigrid A.; Boland, Brigid S.; Singh, Siddharth; Dulai, Parambir S.; Valasek, Mark A.; Feagan, Brian G.; Jairath, Vipul; Sandborn, William J.
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Heterogeneity and clonal relationships of adaptive immune cells in ulcerative colitis revealed by single-cell analyses
err2020-08-14
err152
errOAAI
errBoland, Brigid S.; He, Zhaoren; Tsai, Matthew S.; Olvera, Jocelyn G.; Omilusik, Kyla D.; Duong, Han G.; Kim, Eleanor S.; Limary, Abigail E.; Jin, Wenhao; Milner, J. Justin; Yu, Bingfei; Patel, Shefali A.; Louis, Tiani L.; Tysl, Tiffani; Kurd, Nadia S.; Bortnick, Alexandra; Quezada, Lauren K.; Kanbar, Jad N.; Miralles, Ara; Huylebroeck, Danny; Valasek, Mark A.; Dulai, Parambir S.; Singh, Siddharth; Lu, Li-Fan; Bui, Jack D.; Murre, Cornelis; Sandborn, William J.; Goldrath, Ananda W.; Yeo, Gene W.; Chang, John T.
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Predictors and outcomes of histological remission in ulcerative colitis treated to endoscopic healing
err2020-08-09
err34
errOAAI
errJangi, Sushrut; Yoon, Hyuk; Dulai, Parambir S.; Valasek, Mark; Boland, Brigid S.; Jairath, Vipul; Feagan, Brian G.; Sandborn, William J.; Singh, Siddharth
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Assessment of Hepatic Steatosis in Nonalcoholic Fatty Liver Disease by Using Quantitative US
errRADIOLOGY
IF15.2
err2020-04-01
err91
errOAAI
errHan, Aiguo; Zhang, Yingzhen N.; Boehringer, Andrew S.; Montes, Vivian; Andre, Michael P.; Erdman, John W., Jr.; Loomba, Rohit; Valasek, Mark A.; Sirlin, Claude B.; O'Brien, William D., Jr.
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Development and Validation of a Test to Monitor Endoscopic Activity in Patients With Crohn's Disease Based on Serum Levels of Proteins
err2020-02-01
err69
errOAAI
errD'Haens, Geert; Kelly, Orlaith; Battat, Robert; Silverberg, Mark S.; Laharie, David; Louis, Edouard; Savarino, Edoardo; Bodini, Giorgia; Yarur, Andres; Boland, Brigid S.; Afif, Waqqas; Li, Xiao-Jun; Hale, Michael; Ho, Jessica; Kondragunta, Venkateswarlu; Huang, Benjamin; Kuy, Crystal; Okada, Lauren; Hester, Kelly D.; Bray, Kurtis R.; Mimms, Larry; Jain, Anjali; Singh, Siddharth; Collins, Angelina; Valasek, Mark A.; Sandborn, William J.; Vermeire, Severine; Dulai, Parambir S.
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Clinical Utility of an Increase in Magnetic Resonance Elastography in Predicting Fibrosis Progression in Nonalcoholic Fatty Liver Disease
err2020-01-27
err67
errOAAI
errAjmera, Veeral H.; Liu, Amy; Singh, Seema; Yachoa, Georg; Ramey, Matthew; Bhargava, Meera; Zamani, Ava; Lopez, Scarlett; Mangla, Neeraj; Bettencourt, Ricki; Rizo, Emily; Valasek, Mark; Behling, Cynthia; Richards, Lisa; Sirlin, Claude; Loomba, Rohit
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