Academic article

• Thuen, Camilla; Hinderaker, Hanne Karoline; Steinsvik, Elisabeth Kjelsvik et al. (2025). Implementing a digital treatment program for patients with irritable bowel syndrome into routine care: a qualitative evaluation of barriers and facilitators perceived by key stakeholders. (external link)
• Jacobsen, Birgitte Berentsen; Thuen, Camilla; Hillestad, Eline Margrete Randulff et al. (2025). The Effects of Digital eHealth Versus Onsite 2-Day Group-Based Education in 255 Patients With Irritable Bowel Syndrome: Cohort Study. (external link)
• Bjørkevoll, Sol Maja Graasvold; Hillestad, Eline Margrete Randulff; Lied, Gülen Arslan et al. (2025). A 12-Week Strict Low FODMAP Diet Reduces the Severity Levels of Fatigue, Depression, Anxiety, and Inattention in Patients with Irritable Bowel Syndrome. (external link)
• Lundervold, Arvid; Bjørsvik, Ben René; Billing, Julie Eirin et al. (2025). Brain Morphometry and Cognitive Features in the Prediction of Irritable Bowel Syndrome. (external link)
• Hillestad, Eline Margrethe Randulff; Steinsvik, Elisabeth Kjelsvik; Teige, Erica Sande et al. (2024). Nutritional safety and status following a 12-week strict low FODMAP diet in patients with irritable bowel syndrome. (external link)
• Teige, Erica Sande; Hillestad, Eline Margrethe Randulff; Steinsvik, Elisabeth Kjelsvik et al. (2024). Fecal bacteria and short-chain fatty acids in irritable bowel syndrome: relations to subtype. (external link)
• Lundervold, Astri J.; Billing, Julie Eirin; Jacobsen, Birgitte Berentsen et al. (2024). Decoding IBS: a machine learning approach to psychological distress and gut-brain interaction. (external link)
• Billing, Julie Eirin; Jacobsen, Birgitte Berentsen; Lundervold, Arvid et al. (2023). Cognitive function in patients with irritable bowel syndrome: impairment is common and only weakly correlated with depression/anxiety and severity of gastrointestinal symptoms. (external link)
• Lundervold, Astri J.; Hillestad, Eline Margrethe Randulff; Lied, Gülen Arslan et al. (2023). Assessment of Self-Reported Executive Function in Patients with Irritable Bowel Syndrome Using a Machine-Learning Framework. (external link)
• Haleem, Noman; Lundervold, Astri J.; Lied, Gülen Arslan et al. (2023). A psychological symptom based machine learning model for clinical evaluation of irritable bowel syndrome. (external link)
• Sangnes, Dag A.; Lundervold, Katarina; Bekkelund, Mattis et al. (2021). Gastrointestinal transit and contractility in diabetic constipation: A wireless motility capsule study on diabetes patients and healthy controls. (external link)
• Kessler, Ute; Rekkedal, Guro Årdal; Rø, Øyvind et al. (2020). Association between gastrointestinal complaints and psychopathology in patients with anorexia nervosa. (external link)
• Berentsen, Birgitte; Nagaraja, Bharath Halandur; Teige, Erica Persson et al. (2020). Study protocol of the Bergen brain-gut-microbiota-axis study: A prospective case-report characterization and dietary intervention study to evaluate the effects of microbiota alterations on cognition and anatomical and functional brain connectivity in patients with irritable bowel syndrome. (external link)
• Berentsen, Birgitte; Patil, Sudarshan; Rønnestad, Kine Terese et al. (2019). MicroRNA-34a acutely regulates synaptic efficacy in the adult dentate gyrus in vivo. (external link)
• Leal, Graciano; Comprido, Diogo; Luca, Pasqualino de et al. (2017). The RNA-Binding Protein hnRNP K Mediates the Effect of BDNF on Dendritic mRNA Metabolism and Regulates Synaptic NMDA Receptors in Hippocampal Neurons. (external link)
• Sreenivasa, Pai Balagopal; Siripornmongcolchai, Taweeporn; Berentsen, Birgitte et al. (2014). NMDA receptor-dependent regulation of miRNA expression and association with Argonaute during LTP in vivo. (external link)
• Wibrand, Karin; Sreenivasa, Pai Balagopal; Siripornmongcolchai, Taweeporn et al. (2012). MicroRNA regulation of the synaptic plasticity-related gene arc. (external link)

Academic lecture

• Bekkelund, Mattis; Steinsvik, Elisabeth Kjelsvik; Valeur, Jørgen et al. (2025). Effekt av en lav-FODMAP-diett på visceral hypersensitivitet ved irritabel tarm-syndrom. (external link)
• Teige, Eirik Persson; Hillestad, Eline Margrete Randulff; Berentsen, Birgitte et al. (2021). Kort- og langtidseffekten av lav FODMAP-dietten på symptomer og kortkjedede fettsyrer hos pasienter med irritabel tarmsyndrom. (external link)
• Teige, Erica Persson; Berentsen, Birgitte; Brønstad, Ingeborg et al. (2020). Short and extended effects of a low FODMAP diet on symptoms and short-chained fatty acids in patients with irritable bowel syndrome. (external link)
• Teig, Erica; Berentsen, Birgitte; Hausken, Trygve et al. (2020). Kort- og langtidseffekten av lavFODMAP-diett på symptomer og mikrobiota hos pasienter med IBS. (external link)
• Hillestad, Eline M R; Lied, Gülen Arslan; Steinsvik, Elisabeth Kjelsvik et al. (2020). Kvalitetsevaluering av tverrfaglig IBS-poliklinikk. (external link)
• Berentsen, Birgitte; Kristianslund, Camilla; Lied, Gülen Arslan et al. (2019). Mage-tarmskolen – tverrfaglig internetbehandling ved Irritabel tarmsyndrom. (external link)

Lecture

• Jacobsen, Birgitte Berentsen (2025). Panelsamtale DigitalHelse2025. Tempen på tempo - Erfaringer ved implementering av Mage-tarmskolen som digitalt behandlingstilbod i klinisk somatisk drift. (external link)
• Hinderaker, Hanne Karoline; Jacobsen, Birgitte Berentsen; Kenter, Robin Maria Francisca (2025). Veien mot bærekraftig digital behandling for irritabel-tarm-syndrom: Lærdommer fra en regional implementeringsprosess. (external link)
• Berentsen, Birgitte (2021). Internet guided intervention for irritable bowel syndrome: An interdisciplinary approach. (external link)
• Berentsen, Birgitte (2021). IBS-skole 2-dagers digitalt kurs. (external link)
• Berentsen, Birgitte (2021). Mage-tarmskolen på internett. (external link)
• Berentsen, Birgitte (2021). Webinar om Funksjonell dyspepsi og gastroparese. (external link)
• Berentsen, Birgitte (2021). Spesialistkurs i Fordøyelsessykdommer (Leger i spesialisering, LIS-3 kurs). (external link)

Poster

• Billing, Julie Eirin; Jacobsen, Birgitte Berentsen; Lundervold, Arvid et al. (2023). Cognitive function in patients with irritable bowel syndrome: impairment is common and only weakly correlated with depression/anxiety and severity of gastrointestinal symptoms. (external link)
• Hillestad, Eline; Teig, Erica; Steinsvik, Elisabeth Kjelsvik et al. (2023). Nutritional adequacy and biochemical status after a 12-week strict low FODMAP diet in patients with irritable bowel syndrome. (external link)
• Meeren, Aina van der; Appel, Silke; Lied, Gülen Arslan et al. (2023). Diagnostic gut biomarkers with imaging mass cytometry in irritable bowel syndrome. (external link)
• Teig, Erica; Hillestad, Eline; Brønstad, Ingeborg et al. (2023). Bergen BrainGut study: Assessment of Gut Integrity Markers and Tight Junction Proteins and their Changes Following a 12-week Strict Low FODMAP Diet in Patients with Irritable Bowel Syndrome. (external link)
• Teig, Erica; Hillestad, Eline; Brønstad, Ingeborg et al. (2023). BERGEN BRAINGUT STUDY: CHANGES IN GUT INTEGRITY MARKERS AND TIGHT JUNCTION PROTEINS IN PATIENTS WITH IRRITABLE BOWEL SYNDROME FOLLOWING A 12-WEEK STRICT LOW FODMAP DIET. (external link)
• Meeren, Aina Van Der; Appel, Silke; Lied, Gülen Arslan et al. (2023). Bergen BrainGut study: diagnostic gut biomarkers in irritable bowel syndrome with imaging mass cytometry. (external link)
• Hillestad, Eline Margrethe Randulff; Teige, Erica Sande; Steinsvik, Elisabeth Kjelsvik et al. (2023). Nutritional adequacy and biochemical status after a 12-week strict low FODMAP diet in patients with irritable bowel syndrome. (external link)
• Teige, Erica Sande; Hillestad, EM; Steinsvik, Elisabeth Kjelsvik et al. (2022). Bergen Braingut Study: Relations between fecal microbiota profile and its metabolites (short-chain fatty acids) and symptoms in irritable bowel syndrome. (external link)
• Berentsen, Birgitte; Bharath, HN; Lundervold, Astrid et al. (2019). Brain-Gut-Microbiota Interaction in Irritable Bowel Syndrome: A Multidimensional Approach. (external link)
• Hillestad, Eline; Lied, Gülen Arslan; Steinsvik, Elisabeth Kjelsvik et al. (2019). Evaluation of a tertiary, multidisciplinary outpatient clinic for irritable bowel syndrome. (external link)
• Hillestad, Eline Margrete Randulff; Berentsen, Birgitte; Lied, Gülen Arslan (2019). Evaluation of a tertiary, multidisciplinary outpatient clinic for irritable bowel syndrome. (external link)

Academic literature review

• Hillestad, Eline Margrete Randulff; Meeren, Aina van der; Nagaraja, Bharath Halandur et al. (2022). Gut bless you: The microbiota-gut-brain axis in irritable bowel syndrome. (external link)

Popular scientific article

• Hillestad, Eline Margrete Randulff; Berentsen, Birgitte; Lied, Gülen Arslan (2021). Brain-Gut-Microbiota Interaction in Irritable Bowel Syndrome: A Multidimensional Approach. (external link)

Masters thesis

• Berentsen, Birgitte; Brønstad, Ingeborg; Straume, Mariell Gaassand (2021). Circulating serotonin in patients with irritable bowel syndrome. Before and after a 12-week strict low FODMAP diet intervention. (external link)
• Berentsen, Birgitte; Lundervold, Astri J.; Rasmussen, Stella Hellgren (2021). Characterization of Cognition and Emotions in Irritable Bowel Syndrome Before and After a Low-FODMAP Diet. Preliminary Results of an Open-Labelled, Single-Center Study. (external link)
• Rasmussen, Stella Hellgren; Berentsen, Birgitte; Lied, Gülen Arslan (2021). 12 weeks strict low FODMAP dietary effect on clinical biochemistry status and symptom relief in patients with Irritable Bowel Syndrome. (external link)
• Hillestad, Eline; Berentsen, Birgitte; Lied, Gülen Arslan (2019). Evaluation of a tertiary, multidisciplinary outpatient clinic for irritable bowel syndrome. (external link)
• Rønnestad, Kine Terese; Bramham, Clive R.; Berentsen, Birgitte (2013). The Role of miR-­‐326 in Basal Synaptic Transmission and Long-­‐Term Potentiation in the Rat Dentate Gyrus In Vivo. (external link)
• Bramham, Clive R. Evjen; Berentsen, Birgitte (2009). microRNA-34a Function in Long-Term Potentiation in the Dentate Gyrus of the Anaesthetised Rat. (external link)

Interview

• Berentsen, Birgitte (2019). "Ny behandling mot irritabel tarm". (external link)
• Berentsen, Birgitte (2019). "Kristine fikk hjelp mot oppblåst mage". (external link)

Article in business/trade/industry journal

• Steinsvik, Elisabeth Kjelsvik; Berentsen, Birgitte (2016). 2. Nasjonale møte om funksjonelle mage-tarmsykdommer. (external link)

Doctoral dissertation

• Berentsen, Birgitte (2014). The microRNA contribution to synaptic efficicy and plasticity in the dentate gyrus. (external link)

See a complete overview of publications in Cristin.