Garrett Greenan, PhD
Sr. Engineer, Electron Micros.
Resource Management
Chancellor/EVC/FAS

Publications (33)

Top publication keywords:
Gastric BypassBasal BodiesAxonemeEsophagitis, PepticOlfactory Receptor NeuronsCryoelectron MicroscopyCentriolesCiliaElectron Microscope TomographyManometryEsophageal Motility DisordersGastroesophageal RefluxContraindications, ProcedureMicrotubulesEsophagogastric Junction

• AreTomoLive: automated reconstruction of comprehensively corrected and denoised cryo-electron tomograms in real time and at high throughput.
  Nature methods 2026 Peck A, Yu Y, Paraan M, Kimanius D, Ermel UH, Hutchings J, Schwartz J, Serwas D, Siems H, Hill NS, Ali M, Peukes J, Greenan GA, Sheu SH, Montabana EA, Carragher B, Potter CS, Agard DA, Zheng S
• Characterization Standard for In-situ Cryo-electron Tomography.
  bioRxiv : the preprint server for biology 2026 Ali M, Hutchings J, Dutta T, Jean N, Greenan G, Montabana EA, Schwartz J, Finn MG, Haury M, Agard DA, Carragher B, Kopylov M, Paraan M
• Coiled-coil centrosomal proteins facilitate tubulin concentration via polyKR motifs.
  The FEBS journal 2026 Lin SL, Chen YH, Loi RJ, Chen YT, Chen T, Lapouge K, Greenan G, Kräusslich HG, Cheng HC
• Advancing Cryo-Electron Tomography with Tilt-corrected Bright-field STEM (tcBF-STEM).
  Microscopy and Microanalysis 2025 Yue Yu, Shawn Zheng, Elizabeth A Montabana, Garrett Greenan, Nikki Jean, Stephanie M Ribet, Georgios Varnavides, Colin Ophus
• The Milan score: A novel manometric tool for a more efficient diagnosis of gastro-esophageal reflux disease.
  United European gastroenterology journal 2024 Siboni S, Sozzi M, Kristo I, Boveri S, Rogers BD, De Bortoli N, Hobson A, Louie BE, Lee YY, Tolone S, Marabotto E, Visaggi P, Haworth J, Ivy ML, Greenan G, Masuda T, Penagini R, Barcella B, Coletta M,…

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• Proximal Gastric Pressurization After Sleeve Gastrectomy Associates With Gastroesophageal Reflux.
  The American journal of gastroenterology 2023 Greenan G, Rogers BD, Gyawali CP
• In situ cryo-electron tomography reveals the asymmetric architecture of mammalian sperm axonemes.
  Nature structural & molecular biology 2023 Chen Z, Greenan GA, Shiozaki M, Liu Y, Skinner WM, Zhao X, Zhao S, Yan R, Yu Z, Lishko PV, Agard DA, Vale RD
• Improving the Diagnostic Yield of High-Resolution Esophageal Manometry for GERD: The "Straight Leg-Raise" International Study.
  Clinical gastroenterology and hepatology : the official clinical practice journal of the American Gastroenterological Association 2022 Siboni S, Kristo I, Rogers BD, De Bortoli N, Hobson A, Louie B, Lee YY, Tee V, Tolone S, Marabotto E, Visaggi P, Haworth J, Ivy M, Greenan G, Facchini C, Masuda T, Yano F, Perry K, Balasubramanian G, …
• AreTomo: An integrated software package for automated marker-free, motion-corrected cryo-electron tomographic alignment and reconstruction.
  Journal of structural biology: X 2022 Zheng S, Wolff G, Greenan G, Chen Z, Faas FGA, Bárcena M, Koster AJ, Cheng Y, Agard DA
• 7: PROXIMAL GASTRIC PRESSURIZATION FOLLOWING SLEEVE GASTRECTOMY PREDICTS GASTROESOPHAGEAL REFLUX.
  Gastroenterology 2022 Garrett Greenan, Benjamin D. Rogers, C. Prakash Gyawali
• Rapid Drink Challenge During High-resolution Manometry for Evaluation of Esophageal Emptying in Treated Achalasia.
  Clinical gastroenterology and hepatology : the official clinical practice journal of the American Gastroenterological Association 2022 Penagini R, de Bortoli N, Savarino E, Arsiè E, Tolone S, Greenan G, Visaggi P, Maniero D, Mauro A, Consonni D, Gyawali CP
• Solid bolus swallows during high-resolution manometry complement multiple rapid swallows in predicting symptoms following antireflux surgery.
  Neurogastroenterology and motility 2022 Greenan G, Rogers BD, Sifrim D, Gyawali CP
• OC.01.5 RAPID DRINK CHALLENGE DURING HIGH RESOLUTION MANOMETRY IS USEFUL TO PREDICT ESOPHAGEAL EMPTYING IN ACHALASIA PATIENTS AFTER TREATMENT.
  Digestive and Liver Disease 2021 E. Arsié, N. De Bortoli, E. Savarino, C.P. Gyawali, S. Tolone, D. Consonni, D. Maniero, A. Mauro, P. Visaggi, G. Greenan, R. Penagini
• Ursodeoxycholic Acid Decreases Incidence of Primary Biliary Cholangitis and Biliary Complications After Liver Transplantation: A Meta-Analysis.
  Liver transplantation : official publication of the American Association for the Study of Liver Diseases and the International Liver Transplantation Society 2021 Pedersen MR, Greenan G, Arora S, Murali AR, Mayo MJ
• Racial and Ethnic Disparities in Germline Genetic Testing of Patients With Young-Onset Colorectal Cancer.
  Clinical gastroenterology and hepatology : the official clinical practice journal of the American Gastroenterological Association 2020 Dharwadkar P, Greenan G, Stoffel EM, Burstein E, Pirzadeh-Miller S, Lahiri S, Mauer C, Singal AG, Murphy CC
• Sa1613 PROPHYLACTIC URSODEOXYCHOLIC ACID USE DECREASES THE INCIDENCE OF BILIARY COMPLICATIONS AFTER LIVER TRANSPLANT: A META-ANALYSIS.
  Gastroenterology 2020 Garrett Greenan, Mark Pedersen, Marlyn J. Mayo
• Su1644 EFFECT OF URSODEOXYCHOLICACID ON RECURRENCE OF PRIMARY BILIARY CHOLANGITIS AFTER LIVER TRANSPLANTATION: A SYSTEMATIC REVIEW AND ANALYSIS.
  Gastroenterology 2020 Mark Pedersen, Garrett Greenan, Sumant Arora, Arvind R. Murali, Marlyn J. Mayo
• Electron cryotomography of intact motile cilia defines the basal body to axoneme transition.
  The Journal of cell biology 2020 Greenan GA, Vale RD, Agard DA
• Is Colorectal Cancer in Patients Younger Than 50 Years of Age the Same Disease as in Older Patients?
  Clinical gastroenterology and hepatology : the official clinical practice journal of the American Gastroenterological Association 2019 Dharwadkar P, Greenan G, Singal AG, Murphy CC
• Aortoenteric Fistula—Rare, Deadly and Obscure.
  The American Journal of Gastroenterology 2019 Adam Harris, Roopa Vemulapalli, Samar Harris, Garrett Greenan, Justin Philip
• Steroid Responsive Gastric Dysmotility - Seronegative Autoimmune Autonomic Neuropathy.
  The American Journal of Gastroenterology 2019 Samar Harris, Garrett Greenan, Harris Naina, Adam Harris, Justin Philip, Lauren Phillips
• Mo1727 – Genetic Counseling and Germline Testing Among Patients with Young-Onset Colorectal Cancer At a Safety-Net Hospital.
  Gastroenterology 2019 Pooja Dharwadkar, Garrett Greenan, Amit G. Singal, Caitlin C. Murphy
• Young versus Older-Onset Colorectal Cancer in a Safety Net Hospital.
  The American Journal of Gastroenterology 2018 Pooja Dharwadkar, Garrett Greenan, Amit Singal, Caitlin Murphy
• Insights into centriole geometry revealed by cryotomography of doublet and triplet centrioles.
  eLife 2018 Greenan GA, Keszthelyi B, Vale RD, Agard DA
• Architectures of Lipid Transport Systems for the Bacterial Outer Membrane.
  Cell 2017 Ekiert DC, Bhabha G, Isom GL, Greenan G, Ovchinnikov S, Henderson IR, Cox JS, Vale RD
• Architectures of Lipid Transport Systems for the Bacterial Outer Membrane.
  Biophysical Journal 2017 Gira Bhabha, Damian C. Ekiert, Garrett Greenan, Sergey Ovchinnikov, Jeffery Cox, Ronald D. Vale
• Recreational marijuana use is not associated with worse outcomes after renal transplantation.
  Clinical transplantation 2016 Greenan G, Ahmad SB, Anders MG, Leeser A, Bromberg JS, Niederhaus SV
• Hierarchical assembly of the eggshell and permeability barrier in C. elegans.
  The Journal of cell biology 2012 Olson SK, Greenan G, Desai A, Müller-Reichert T, Oegema K
• The role of γ-tubulin in centrosomal microtubule organization.
  PloS one 2012 O'Toole E, Greenan G, Lange KI, Srayko M, Müller-Reichert T
• Automated tracing of microtubules in electron tomograms of plastic embedded samples of Caenorhabditis elegans embryos.
  Journal of structural biology 2011 Weber B, Greenan G, Prohaska S, Baum D, Hege HC, Müller-Reichert T, Hyman AA, Verbavatz JM
• The elegans of spindle assembly.
  Cellular and molecular life sciences : CMLS 2010 Müller-Reichert T, Greenan G, O'Toole E, Srayko M
• Centrosome size sets mitotic spindle length in Caenorhabditis elegans embryos.
  Current biology : CB 2010 Greenan G, Brangwynne CP, Jaensch S, Gharakhani J, Jülicher F, Hyman AA
• Identification of a peptide fragment of DSCR1 that competitively inhibits calcineurin activity in vitro and in vivo.
  Proceedings of the National Academy of Sciences of the United States of America 2005 Chan B, Greenan G, McKeon F, Ellenberger T