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H. Willekens · SciRah

Researcher profile · Semantic Scholar

H. Willekens

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H. Willekens — researcher profile on SciRah

h-index: 20
Works: 60
Citations: 4,671

Most-cited papers

Catalase is a sink for H2O2 and is indispensable for stress defence in C3 plants
H. Willekens, S. Chamnongpol, M. Davey, M. Schraudner +4 more
1997EMBO Journal1,248 citations Open access
Semantic Scholar
Defense activation and enhanced pathogen tolerance induced by H2O2 in transgenic tobacco.
S. Chamnongpol, H. Willekens, W. Moeder, C. Langebartels +4 more
1998Proceedings of the National Academy of Sciences of the United States of America512 citations Open access
Semantic Scholar
Catalases in plants
H. Willekens, D. Inzé, M. Van Montagu, W. van Camp
1995Molecular breeding420 citations
Semantic Scholar
Transgenic tobacco plants with reduced capability to detoxify reactive oxygen intermediates are hyperresponsive to pathogen infection.
Ron Mittler, Elza Hallak Herr, Bjorn Larus Orvar, W. van Camp +3 more
1999Proceedings of the National Academy of Sciences of the United States of America379 citations Open access
Semantic Scholar
Ozone, Sulfur Dioxide, and Ultraviolet B Have Similar Effects on mRNA Accumulation of Antioxidant Genes in Nicotiana plumbaginifolia L
H. Willekens, W. van Camp, M. Van Montagu, D. Inzé +2 more
1994Plant Physiology310 citations Open access
Semantic Scholar
Elevated Levels of Superoxide Dismutase Protect Transgenic Plants Against Ozone Damage
W. van Camp, H. Willekens, C. Bowler, M. Van Montagu +4 more
1994Bio/Technology247 citations
Semantic Scholar
Transgenic tobacco with a reduced catalase activity develops necrotic lesions and induces pathogenesis‐related expression under high light
S. Chamnongpol, H. Willekens, C. Langebartels, M. Van Montagu +2 more
1996213 citations Open access
Semantic Scholar
Differential expression of catalase genes in Nicotiana plumbaginifolia (L.).
H. Willekens, C. Langebartels, C. Tire, M. Van Montagu +2 more
1994Proceedings of the National Academy of Sciences of the United States of America203 citations Open access
Semantic Scholar
A tiered system for assessing the risk of genetically modified plants to non-target organisms.
M. Garcia-Alonso, Erik Jacobs, A. Raybould, T. Nickson +7 more
2006Environmental Biosafety Research167 citations Open access
Semantic Scholar
Catalase is a sink for H 2 O 2 and is indispensable for stress defence in C 3 plants arthritis , cataract , cancer
H. Willekens, S. Chamnongpol, M. Davey, M. Schraudner +4 more
2013160 citations
Semantic Scholar
Different responses of tobacco antioxidant enzymes to light and chilling stress.
T. Gechev, H. Willekens, M. Van Montagu, D. Inzé +3 more
2003Journal of plant physiology137 citations Open access
Semantic Scholar
Chromoendoscopy versus narrow band imaging in UC: a prospective randomised controlled trial
R. Bisschops, T. Bessissow, J. Joseph, F. Baert +9 more
2017Gut134 citations Open access
Semantic Scholar
Automatic, computer-aided determination of endoscopic and histological inflammation in patients with mild to moderate ulcerative colitis based on red density
P. Bossuyt, H. Nakase, S. Vermeire, G. de Hertogh +7 more
2020Gut111 citations Open access
Semantic Scholar
Molecular identification of catalases from Nicotiana plumbaginifolia (L.)
H. Willekens, R. Villarroel, M. Van Montagu, D. Inzé +1 more
1994FEBS Letters110 citations
Semantic Scholar
Tissue-Specific Activity of Two Manganese Superoxide Dismutase Promoters in Transgenic Tobacco
W. van Camp, D. Hérouart, H. Willekens, Hideki Takahashi +3 more
1996Plant Physiology53 citations Open access
Semantic Scholar
The AKT3 potassium channel protein interacts with the AtPP2CA protein phosphatase 2C.
Eva Vranová, Sari Tähtiharju, Rutchadaporn Sriprang, H. Willekens +4 more
2001Journal of Experimental Botany46 citations Open access
Semantic Scholar
Virtual chromoendoscopy (I-SCAN) detects more polyps in patients with Lynch syndrome: a randomized controlled crossover trial
R. Bisschops, S. Tejpar, H. Willekens, G. de Hertogh +1 more
2017Endoscopy44 citations
Semantic Scholar
Impact of endoscopy system, high definition, and virtual chromoendoscopy in daily routine colonoscopy: a randomized trial
P. Roelandt, I. Demedts, H. Willekens, T. Bessissow +16 more
2019Endoscopy27 citations Open access
Semantic Scholar
506 Chromo-Endoscopy Versus Narrow Band Imaging in Ulcerative Colitis: A Prospective Randomized Controlled Trial
R. Bisschops, T. Bessissow, F. Baert, M. Ferrante +8 more
201227 citations
Semantic Scholar
Genetic engineering of oxidative stress resistance in higher plants
D. Hérouart, C. Bowler, H. Willekens, W. van Camp +3 more
199327 citations
Semantic Scholar
Endoscopic Mucosal Resection of Colorectal Polyps: Results, Adverse Events and Two-Year Outcome
I. Chaoui, I. Demedts, Philip Roelandt, H. Willekens +1 more
2021Endoscopy16 citations Open access
Semantic Scholar
Dysplastic recurrence after successful treatment for early Barrett's neoplasia: development and validation of a prediction model.
S. V. van Munster, E. Nieuwenhuis, R. Bisschops, H. Willekens +17 more
2022Gastroenterology14 citations Open access
Semantic Scholar
Oesophageal biopsies are insufficient to predict final histology after endoscopic resection in early Barrett’s neoplasia
E. Werbrouck, G. de Hertogh, X. Sagaert, G. Coremans +3 more
2016United European Gastroenterology journal12 citations Open access
Semantic Scholar
Efficacy and safety of radiofrequency ablation of Barrett’s esophagus in the absence of reimbursement: a multicenter prospective Belgian registry
J. Vliebergh, P. Deprez, D. De Looze, M. Ferrante +7 more
2018Endoscopy11 citations Open access
Semantic Scholar
Su1432 I-SCAN Detects More Polyps in Lynch Syndrome (HNPCC) Patients: A Prospective Controlled Randomized Back-to-Back Study
R. Bisschops, S. Tejpar, H. Willekens, G. de Hertogh +1 more
20127 citations
Semantic Scholar
Development and external validation of a model to predict complex treatment after RFA for Barrett's esophagus with early neoplasia.
S. V. van Munster, E. Nieuwenhuis, R. Bisschops, H. Willekens +15 more
2022Clinical Gastroenterology and Hepatology6 citations Open access
Semantic Scholar
Phylogenetic studies of Flavobacterium and related organisms by DNA:rRNA hybridizations.
P. Segers, P. Vandamme, P. L. Steyn, W. Mannheim +4 more
19936 citations
Semantic Scholar
DYE ANOTHER DAY: DYE-BASED CHROMOENDOSCOPY VERSUS I-SCAN VIRTUAL CHROMOENDOSCOPY IN LONG-STANDING UC: A MULTICENTER PROSPECTIVE RANDOMIZED CONTROLLED TRIAL
P. Sinonquel, A. Jans, M. Pierick, T. Seerden +7 more
2022ESGE Days 20224 citations Open access
Semantic Scholar
Impact on aerosol generation during upper endoscopy of mouthpiece designed to reduce COVID-19 droplet spread: single-center randomized controlled trial
I. Huang, P. Sinonquel, Wout Verbeure, C. Camps +7 more
2021Endoscopy4 citations
Semantic Scholar
436 - Automated Digital Calculation of Endoscopic Inflammation in Ulcerative Colitis: Results of the Red Density Study
P. Bossuyt, H. Nakase, S. Vermeire, H. Willekens +3 more
20184 citations
Semantic Scholar
Mo1571 Endoscopic Mucosal Resection in the Esophagus: How Long Is the Learning Curve?
R. Bisschops, J. Bergman, H. Willekens, G. Coremans +1 more
20114 citations
Semantic Scholar
Strategic viability and going-concern audit opinions
H. Willekens, L. Bruynseels
20053 citations
Semantic Scholar
Dye-based chromoendoscopy versus i-scan virtual chromoendoscopy in long-standing ulcerative colitis: Multicenter prospective RCT
A. Jans, P. Sinonquel, T. Seerden, Alexander De Bodelier +9 more
2023Endoscopy International Open2 citations Open access
Semantic Scholar
Su1456 Radiofrequency Ablation in the Esophagus: Results of a Prospective Multicenter Belgian Registry
R. Bisschops, P. Deprez, H. Willekens, D. De Looze +5 more
20132 citations
Semantic Scholar
Role of H₂O₂ and H₂O₂-scavenging enzymes in environmental stress
H. Willekens, S. Chamnongpol, M. Van Montagu, D. Inzé +1 more
19952 citations
Semantic Scholar
Dutch–Flemish translation and validation of the gastrointestinal symptom scales from the patient‑reported outcomes measurement information system (PROMIS)®
Mirjam van der Ende-van Loon, Dorinde L. Korteling, H. Willekens, Monique Schilders +4 more
2023Journal of Patient-Reported Outcomes1 citations Open access
Semantic Scholar
Tu1629 Biopsies Insufficiently Predict Final Histology After Endoscopic Resection in Barrett's Neoplasia
E. Werbrouck, G. de Hertogh, X. Sagaert, H. Willekens +1 more
20121 citations
Semantic Scholar
Characterization of transgenic tobacco in which catalase activity has been modified through sense and antisense approaches
H. Willekens, S. Chamnongpol, M. Van Montagu, D. Inzé +1 more
19961 citations
Semantic Scholar
Mo1192: TO DINE OR NOT TO DINE: THE EFFECT OF A DAY-BEFORE LOW-FIBER DINNER ON BOWEL CLEANSING PRIOR TO COLONOSCOPY (DINNER1006 TRIAL)
P. Sinonquel, I. Demedts, Camps Chelsea, A. Luypaerts +3 more
2025Gastroenterology0 citations
Semantic Scholar
THE CLINICAL VALIDATION OF A COMPUTER-ADIDE POLYP DETECTION MODEL INTEGRATED AS A PLUG-AND-PLAY ENDOSCOPY DEVICE (ALTER-EGO TRIAL)
P. Sinonquel, D. De Wulf, David J. Tate, Davy Wyffels +8 more
2025Gastrointestinal Endoscopy0 citations
Semantic Scholar
To dine or not to dine: the effect of a day-before low-fiber dinner on bowel cleansing prior to colonoscopy (DinNER1006 trial)
P. Sinonquel, I. Demedts, C. Camps, A. Luypaerts +3 more
2025Endoscopy0 citations Open access
Semantic Scholar
Endoscopic Mucosal Resection (EMR) in Treatment of Colitis Associated Neoplasia (CAN): A Single-Centre Experience From Leuven, Belgium
N. Panic, S. Vermeire, I. Demedts, H. Willekens +3 more
2024ESGE Days 20240 citations Open access
Semantic Scholar
ENDOSCOPIC MUCOSAL RESECTION (EMR) IN TREATMENT OF COLITIS ASSOCIATED NEOPLASIA (CAN): A SINGLE-CENTRE EXPERIENCE FROM LEUVEN, BELGIUM
N. Panic, S. Vermeire, J. Sabino, I. Demedts +3 more
2024Gastrointestinal Endoscopy0 citations Open access
Semantic Scholar
Dysplastic Recurrence after Successful Treatment For Early Barrett's Neoplasia: Development and Validation of a Penalized Prediction Model
S. V. van Munster, E. Nieuwenhuis, R. Bisschops, H. Willekens +17 more
2021Social Science Research Network0 citations Open access
Semantic Scholar
A PROSPECTIVE, MULTI-CENTER VALIDATION STUDY FOR AUTOMATED POLYP DETECTION AS A SECOND OBSERVER
Tom Eelbode, C. Hassan, H. Neumann, I. Demedts +9 more
2020Endoscopy0 citations
Semantic Scholar
IMPACT OF ENDOSCOPY SYSTEM, HIGH-DEFINITION AND VIRTUAL CHROMOENDOSCOPY IN DAILY ROUTINE COLONOSCOPY
P. Roelandt, I. Demedts, H. Willekens, T. Bessissow +16 more
2018Endoscopy0 citations
Semantic Scholar
P310 Automated digital calculation of endoscopic inflammation in ulcerative colitis: Results of the red density study
P. Bossuyt, H. Nakase, S. Vermeire, H. Willekens +3 more
20180 citations Open access
Semantic Scholar
Mo1073 Radiofrequency Ablation Without Reimbursment: How Good Does It Work?
J. Vliebergh, P. Deprez, H. Willekens, D. De Looze +6 more
20160 citations
Semantic Scholar
Characterization of F-18-FDG-PET/CT findings in patients who underwent endoscopic mucosal resection for early/superficial esophageal carcinoma
N. de Raedt, R. Bisschops, H. Willekens, P. Nafteux +4 more
20140 citations
Semantic Scholar
Su1528 Endoscopic Mucosal Resection of Sporadic Duodenal Polyps Is Associated With a High Risk of Complications
P. Martens, I. Demedts, S. van Gool, H. Willekens +1 more
20140 citations
Semantic Scholar

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R. Bisschops×24
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R. Bisschops — researcher profile on SciRah
W. van Camp×16
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W. van Camp — researcher profile on SciRah
M. Van Montagu×14
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D. Inzé — researcher profile on SciRah

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D. Inzé — researcher profile on SciRah

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P. Sinonquel — researcher profile on SciRah

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S. Chamnongpol — researcher profile on SciRah

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I. Demedts — researcher profile on SciRah

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M. Ferrante — researcher profile on SciRah