Torbjörn Åkerfeldt

Effect of Intra-Workout Protein-Carbohydrate Co-Ingestion Versus Isocaloric Carbohydrate During Resistance Training on Muscle Fibre Hypertrophy and Oxidative Capacities in Young Men: A Randomized Controlled Trial

Svensson, Michael; Stal, Per; Hogstrom, Magnus; Nystrom Hagfors, Linda et al.

Part of Nutrients, 2026

• DOI for Effect of Intra-Workout Protein-Carbohydrate Co-Ingestion Versus Isocaloric Carbohydrate During Resistance Training on Muscle Fibre Hypertrophy and Oxidative Capacities in Young Men: A Randomized Controlled Trial
• Download full text (pdf) of Effect of Intra-Workout Protein-Carbohydrate Co-Ingestion Versus Isocaloric Carbohydrate During Resistance Training on Muscle Fibre Hypertrophy and Oxidative Capacities in Young Men: A Randomized Controlled Trial

Co-exposure to PFAS and hydroxylated PCBs is associated with increased odds of multiple sclerosis

Vaivade, Aina; Parakkal Sreenivasan, Akshai; Erngren, Ida; Freyhult, Eva et al.

Part of Environment International, 2026

• DOI for Co-exposure to PFAS and hydroxylated PCBs is associated with increased odds of multiple sclerosis
• Download full text (pdf) of Co-exposure to PFAS and hydroxylated PCBs is associated with increased odds of multiple sclerosis

Identification of cystatin C as a new marker of glomerular filtration rate, and of shrunken pore syndrome - a new kidney disorder defining selective glomerular hypofiltration syndromes - calls for expansion of the international KDIGO guidelines

Åkesson, Anna; Öberg, Carl; Malmgren, Linnea; Nilsson, Christopher et al.

Part of Scandinavian Journal of Clinical and Laboratory Investigation, p. 409-419, 2025

• DOI for Identification of cystatin C as a new marker of glomerular filtration rate, and of shrunken pore syndrome - a new kidney disorder defining selective glomerular hypofiltration syndromes - calls for expansion of the international KDIGO guidelines
• Download full text (pdf) of Identification of cystatin C as a new marker of glomerular filtration rate, and of shrunken pore syndrome - a new kidney disorder defining selective glomerular hypofiltration syndromes - calls for expansion of the international KDIGO guidelines

Bile acid metabolism in multiple sclerosis is perturbed and associated with the risk of confirmed disability worsening

Erngren, Ida; Vaivade, Aina; Carlsson, Henrik; Al-Grety, Asma et al.

Part of BMC Medicine, 2025

• DOI for Bile acid metabolism in multiple sclerosis is perturbed and associated with the risk of confirmed disability worsening
• Download full text (pdf) of Bile acid metabolism in multiple sclerosis is perturbed and associated with the risk of confirmed disability worsening

Associations of PFAS and OH-PCBs with risk of multiple sclerosis onset and disability worsening

Vaivade, Aina; Erngren, Ida; Carlsson, Henrik; Freyhult, Eva et al.

Part of Nature Communications, 2025

• DOI for Associations of PFAS and OH-PCBs with risk of multiple sclerosis onset and disability worsening
• Download full text (pdf) of Associations of PFAS and OH-PCBs with risk of multiple sclerosis onset and disability worsening

Effect of Intra-Workout Protein-Carbohydrate Co-Ingestion Versus Isocaloric Carbohydrate During Resistance Training on Muscle Fibre Hypertrophy and Oxidative Capacities in Young Men: A Randomized Controlled Trial

Svensson, Michael; Stal, Per; Hogstrom, Magnus; Nystrom Hagfors, Linda et al.

Part of Nutrients, 2026

• DOI for Effect of Intra-Workout Protein-Carbohydrate Co-Ingestion Versus Isocaloric Carbohydrate During Resistance Training on Muscle Fibre Hypertrophy and Oxidative Capacities in Young Men: A Randomized Controlled Trial
• Download full text (pdf) of Effect of Intra-Workout Protein-Carbohydrate Co-Ingestion Versus Isocaloric Carbohydrate During Resistance Training on Muscle Fibre Hypertrophy and Oxidative Capacities in Young Men: A Randomized Controlled Trial

Co-exposure to PFAS and hydroxylated PCBs is associated with increased odds of multiple sclerosis

Vaivade, Aina; Parakkal Sreenivasan, Akshai; Erngren, Ida; Freyhult, Eva et al.

Part of Environment International, 2026

• DOI for Co-exposure to PFAS and hydroxylated PCBs is associated with increased odds of multiple sclerosis
• Download full text (pdf) of Co-exposure to PFAS and hydroxylated PCBs is associated with increased odds of multiple sclerosis

Bile acid metabolism in multiple sclerosis is perturbed and associated with the risk of confirmed disability worsening

Erngren, Ida; Vaivade, Aina; Carlsson, Henrik; Al-Grety, Asma et al.

Part of BMC Medicine, 2025

• DOI for Bile acid metabolism in multiple sclerosis is perturbed and associated with the risk of confirmed disability worsening
• Download full text (pdf) of Bile acid metabolism in multiple sclerosis is perturbed and associated with the risk of confirmed disability worsening

Associations of PFAS and OH-PCBs with risk of multiple sclerosis onset and disability worsening

Vaivade, Aina; Erngren, Ida; Carlsson, Henrik; Freyhult, Eva et al.

Part of Nature Communications, 2025

• DOI for Associations of PFAS and OH-PCBs with risk of multiple sclerosis onset and disability worsening
• Download full text (pdf) of Associations of PFAS and OH-PCBs with risk of multiple sclerosis onset and disability worsening

Biomarker-Based ABC-AF Risk Scores for Personalized Treatment to Reduce Stroke or Death in Atrial Fibrillation: A Registry-Based, Multicenter, Randomized, Controlled Study

Oldgren, Jonas; Hijazi, Ziad; Arheden, Hakan; Bjorkenheim, Anna et al.

Part of Circulation, p. 1457-1469, 2025

• DOI for Biomarker-Based ABC-AF Risk Scores for Personalized Treatment to Reduce Stroke or Death in Atrial Fibrillation: A Registry-Based, Multicenter, Randomized, Controlled Study
• Download full text (pdf) of Biomarker-Based ABC-AF Risk Scores for Personalized Treatment to Reduce Stroke or Death in Atrial Fibrillation: A Registry-Based, Multicenter, Randomized, Controlled Study

Rationale and design of a registry-based randomized controlled study of personalized biomarker-based risk score-guided stroke prevention treatment in atrial fibrillation

Hijazi, Ziad; Wallentin, Lars; Arheden, Hakan; Bjorkenheim, Anna et al.

Part of American Heart Journal, p. 161-169, 2025

• DOI for Rationale and design of a registry-based randomized controlled study of personalized biomarker-based risk score-guided stroke prevention treatment in atrial fibrillation
• Download full text (pdf) of Rationale and design of a registry-based randomized controlled study of personalized biomarker-based risk score-guided stroke prevention treatment in atrial fibrillation

Discordant gene expression in subcutaneous adipose and skeletal muscle tissues in response to exercise training

Svensson, Michael; Lovric, Alen; Åkerfeldt, Torbjörn; Hellsten, David et al.

Part of Physiological Reports, 2024

• DOI for Discordant gene expression in subcutaneous adipose and skeletal muscle tissues in response to exercise training
• Download full text (pdf) of Discordant gene expression in subcutaneous adipose and skeletal muscle tissues in response to exercise training

Association between sedentary time, physical activity, biochemical markers in the blood (heart and muscles) and heart failure in adults with congenital heart disease: a study protocol of a cross-sectional cohort study in Sweden (the ACHD trial protocol)

Vahlberg, Birgit; Janson, Christer; Åkerfeldt, Torbjörn; Christersson, Christina

Part of BMJ Open, 2024

• DOI for Association between sedentary time, physical activity, biochemical markers in the blood (heart and muscles) and heart failure in adults with congenital heart disease: a study protocol of a cross-sectional cohort study in Sweden (the ACHD trial protocol)
• Download full text (pdf) of Association between sedentary time, physical activity, biochemical markers in the blood (heart and muscles) and heart failure in adults with congenital heart disease: a study protocol of a cross-sectional cohort study in Sweden (the ACHD trial protocol)

Total adiponectin in indigenous Melanesians on Kitava

Carrera-Bastos, Pedro; Fontes-Villalba, Maelan; Ahren, Bo; Lindblad, Ulf et al.

Part of American Journal of Human Biology, 2024

• DOI for Total adiponectin in indigenous Melanesians on Kitava
• Download full text (pdf) of Total adiponectin in indigenous Melanesians on Kitava

The complexity of kidney disease and diagnosing it - Cystatin C, selective glomerular hypofiltration syndromes and proteome regulation.

Malmgren, Linnea; Öberg, Carl; den Bakker, Emil; Leion, Felicia et al.

Part of Journal of Internal Medicine, p. 293-308, 2023

• DOI for The complexity of kidney disease and diagnosing it - Cystatin C, selective glomerular hypofiltration syndromes and proteome regulation.
• Download full text (pdf) of The complexity of kidney disease and diagnosing it - Cystatin C, selective glomerular hypofiltration syndromes and proteome regulation.

Effects of Seven Weeks of Combined Physical Training on High-Density Lipoprotein Functionality in Overweight/Obese Subjects

Bacchetti, Tiziana; Morresi, Camilla; Ferretti, Gianna; Larsson, Anders et al.

Part of Metabolites, p. 1068-1068, 2023

• DOI for Effects of Seven Weeks of Combined Physical Training on High-Density Lipoprotein Functionality in Overweight/Obese Subjects
• Download full text (pdf) of Effects of Seven Weeks of Combined Physical Training on High-Density Lipoprotein Functionality in Overweight/Obese Subjects

Anti-Müllerian hormone and pregnancy after autologous hematopoietic stem cell transplantation for multiple sclerosis

Zafeiri, Lida; Åkerfeldt, Torbjörn; Tolf, Andreas; Carlson, Kristina et al.

Part of PLOS ONE, 2023

• DOI for Anti-Müllerian hormone and pregnancy after autologous hematopoietic stem cell transplantation for multiple sclerosis
• Download full text (pdf) of Anti-Müllerian hormone and pregnancy after autologous hematopoietic stem cell transplantation for multiple sclerosis

Age-adapted percentiles of measured glomerular filtration in healthy individuals: extrapolation to living kidney donors over 65 years.

Delanaye, Pierre; Gaillard, François; van der Weijden, Jessica; Mjøen, Geir et al.

Part of Clinical Chemistry and Laboratory Medicine, p. 401-407, 2022

• DOI for Age-adapted percentiles of measured glomerular filtration in healthy individuals: extrapolation to living kidney donors over 65 years.

Measurement of hydroxychloroquine in blood from SLE patients using LC-HRMS: Evaluation of whole blood, plasma and serum as sample matrices

Carlsson, Henrik; Hjorton, Karin; Abujrais, Sandy; Rönnblom, Lars et al.

Part of Arthritis Research & Therapy, 2020

• DOI for Measurement of hydroxychloroquine in blood from SLE patients using LC-HRMS: Evaluation of whole blood, plasma and serum as sample matrices
• Download full text (pdf) of Measurement of hydroxychloroquine in blood from SLE patients using LC-HRMS: Evaluation of whole blood, plasma and serum as sample matrices

Intrathecal immunoglobulins and neurofilament light after autologous haematopoietic stem cell transplantation for multiple sclerosis

Larsson, Diane; Åkerfeldt, Torbjörn; Carlson, Kristina; Burman, Joachim

Part of Multiple Sclerosis Journal, p. 1351-1359, 2020

• DOI for Intrathecal immunoglobulins and neurofilament light after autologous haematopoietic stem cell transplantation for multiple sclerosis

C-reactive protein in traditional melanesians on Kitava.

Carrera-Bastos, Pedro; Fontes-Villalba, Maelán; Gurven, Michael; Muskiet, Frits A J et al.

Part of BMC Cardiovascular Disorders, 2020

• DOI for C-reactive protein in traditional melanesians on Kitava.
• Download full text (pdf) of C-reactive protein in traditional melanesians on Kitava.

Targeted metabolomics of CSF in healthy individuals and patients with secondary progressive multiple sclerosis using high-resolution mass spectrometry

Carlsson, Henrik; Abujrais, Sandy; Herman, Stephanie; Emami Khoonsari, Payam et al.

Part of Metabolomics, 2020

• DOI for Targeted metabolomics of CSF in healthy individuals and patients with secondary progressive multiple sclerosis using high-resolution mass spectrometry
• Download full text (pdf) of Targeted metabolomics of CSF in healthy individuals and patients with secondary progressive multiple sclerosis using high-resolution mass spectrometry

A sensitive method detecting trace levels of levonorgestrel using LC-HRMS

Abujrais, Sandy; Olovsson, Matts; Ahnoff, Martin; Rasmusson, Annica et al.

Part of Contraception, p. 247-249, 2019

• DOI for A sensitive method detecting trace levels of levonorgestrel using LC-HRMS

Age- and sex-specific reference values for non-HDL cholesterol and remnant cholesterol derived from the Nordic Reference Interval Project (NORIP)

Ridefelt, Peter; Hagström, Emil; Svensson, Maria K.; Åkerfeldt, Torbjörn et al.

Part of Scandinavian Journal of Clinical and Laboratory Investigation, p. 39-42, 2019

• DOI for Age- and sex-specific reference values for non-HDL cholesterol and remnant cholesterol derived from the Nordic Reference Interval Project (NORIP)
• Download full text (pdf) of Age- and sex-specific reference values for non-HDL cholesterol and remnant cholesterol derived from the Nordic Reference Interval Project (NORIP)

Sustained remission in multiple sclerosis after hematopoietic stem cell transplantation

Tolf, Andreas; Fagius, Jan; Carlson, Kristina; Åkerfeldt, Torbjörn et al.

Part of Acta Neurologica Scandinavica, p. 320-327, 2019

• DOI for Sustained remission in multiple sclerosis after hematopoietic stem cell transplantation

Biochemical Differences in Cerebrospinal Fluid between Secondary Progressive and Relapsing-Remitting Multiple Sclerosis

Herman, Stephanie; Åkerfeldt, Torbjörn; Spjuth, Ola; Burman, Joachim et al.

Part of Cells, 2019

• DOI for Biochemical Differences in Cerebrospinal Fluid between Secondary Progressive and Relapsing-Remitting Multiple Sclerosis
• Download full text (pdf) of Biochemical Differences in Cerebrospinal Fluid between Secondary Progressive and Relapsing-Remitting Multiple Sclerosis

Good Agreement Between Hba1c Analyzed Using Capillary Electrophoresis, HPLC, Immunological and Enzymatic Methods

Rollborn, Niclas; Nordin, Gunnar; Mandic-Havelka, Aleksandra; Lohmander, Maria et al.

Part of Journal of Diabetes, Metabolism and its Complications, p. 1-7, 2019

• DOI for Good Agreement Between Hba1c Analyzed Using Capillary Electrophoresis, HPLC, Immunological and Enzymatic Methods
• Download full text (pdf) of Good Agreement Between Hba1c Analyzed Using Capillary Electrophoresis, HPLC, Immunological and Enzymatic Methods

Integration of magnetic resonance imaging and protein and metabolite CSF measurements to enable early diagnosis of secondary progressive multiple sclerosis.

Herman, Stephanie; Emami Khoonsari, Payam; Tolf, Andreas; Steinmetz, Julia et al.

Part of Theranostics, p. 4477-4490, 2018

• DOI for Integration of magnetic resonance imaging and protein and metabolite CSF measurements to enable early diagnosis of secondary progressive multiple sclerosis.
• Download full text (pdf) of Integration of magnetic resonance imaging and protein and metabolite CSF measurements to enable early diagnosis of secondary progressive multiple sclerosis.

Analysis of HbA1c on an automated multicapillary zone electrophoresis system.

Rollborn, Niclas; Åkerfeldt, Torbjörn; Nordin, Gunnar; Xu, Xiao Yan et al.

Part of Scandinavian Journal of Clinical and Laboratory Investigation, p. 15-18, 2017

• DOI for Analysis of HbA1c on an automated multicapillary zone electrophoresis system.

Vitamin D in relation to bone health and muscle function in young female soccer players

Brännström, André; Yu, Ji-Guo; Jonsson, Per; Åkerfeldt, Torbjörn et al.

Part of European Journal of Sport Science, p. 249-256, 2017

• DOI for Vitamin D in relation to bone health and muscle function in young female soccer players

Postsurgical Acute Phase Reaction is Associated with Decreased Levels of Circulating Myostatin

Åkerfeldt, Torbjörn; Helmersson-Karlqvist, Johanna; Gunningberg, Lena; Swenne, Christine Leo et al.

Part of Inflammation, p. 1727-1730, 2015

• DOI for Postsurgical Acute Phase Reaction is Associated with Decreased Levels of Circulating Myostatin

Life style intervention in moderately overweight individuals is associated with decreased levels of cathepsins L and S in plasma

Larsson, Anders; Svensson, Michael B; Ronquist, Göran; Åkerfeldt, Torbjörn

Part of Annals of Clinical and Laboratory Science, p. 283-285, 2014

Increased plasma glucose levels after change of recommendation from NaF to citrate blood collection tubes

Ridefelt, Peter; Åkerfeldt, Torbjörn; Helmersson-Karlqvist, Johanna

Part of Clinical Biochemistry, p. 625-628, 2014

• DOI for Increased plasma glucose levels after change of recommendation from NaF to citrate blood collection tubes

Elective orthopedic and cardiopulmonary bypass surgery causes a reduction in serum endostatin levels

Åkerfeldt, Torbjörn; Gunningberg, Lena; Leo Swenne, Christine; Ronquist, Göran et al.

Part of European Journal of Medical Research, p. 61, 2014

• DOI for Elective orthopedic and cardiopulmonary bypass surgery causes a reduction in serum endostatin levels
• Download full text (pdf) of Elective orthopedic and cardiopulmonary bypass surgery causes a reduction in serum endostatin levels

Circulating Human Fractalkine is Decreased Post-operatively After Orthopedic and Coronary Bypass Surgery

Åkerfeldt, Torbjörn; Helmersson-Karlqvist, Johanna; Gordh, Torsten; Larsson, Anders

Part of In Vivo, p. 185-188, 2014

Serum leptin is decreased thirty days after surgery

Åkerfeldt, Torbjörn; Lipcsey, Miklos; Gunningberg, Lena; Swenne, Christine et al.

Part of Journal of Diabetes and Metabolism, 2014

• DOI for Serum leptin is decreased thirty days after surgery
• Download full text (pdf) of Serum leptin is decreased thirty days after surgery

Weight reduction is associated with decreased CRP levels

Larsson, Anders; Hansson, Lars-Olof; Åkerfeldt, Torbjörn

Part of Clinical Laboratory, p. 1135-1138, 2013

• DOI for Weight reduction is associated with decreased CRP levels

Lifestyle intervention is associated with decreased concentrations of circulating pentraxin 3 independent of CRP decrease

Larsson, Anders; Ronquist, Göran; Åkerfeldt, Torbjörn

Part of Upsala Journal of Medical Sciences, p. 165-168, 2013

• DOI for Lifestyle intervention is associated with decreased concentrations of circulating pentraxin 3 independent of CRP decrease

Serum MMP-9 and TIMP-1 concentrations and MMP-9 activity during surgery-induced inflammation in humans

Helmersson-Karlqvist, Johanna; Åkerfeldt, Torbjörn; Gunningberg, Lena; Leo Swenne, Christine et al.

Part of Clinical Chemistry and Laboratory Medicine, p. 1115-1119, 2012

• DOI for Serum MMP-9 and TIMP-1 concentrations and MMP-9 activity during surgery-induced inflammation in humans

Increased energy intake in hip fracture patients affects nutritional biochemical markers

Gunnarsson, Anna-Karin; Åkerfeldt, Torbjörn; Larsson, Sune; Gunningberg, Lena

Part of Scandinavian Journal of Surgery, p. 204-210, 2012

Inflammatory response is associated with increased cathepsin B and decreased cathepsin S concentrations in the circulation

Åkerfeldt, Torbjörn; Larsson, Anders

Part of Scandinavian Journal of Clinical and Laboratory Investigation, p. 203-207, 2011

• DOI for Inflammatory response is associated with increased cathepsin B and decreased cathepsin S concentrations in the circulation

Pentraxin 3 Increase is Much Less Pronounced Than C-Reactive Protein Increase After Surgical Procedures

Åkerfeldt, Torbjörn; Larsson, Anders

Part of Inflammation, p. 367-370, 2011

• DOI for Pentraxin 3 Increase is Much Less Pronounced Than C-Reactive Protein Increase After Surgical Procedures

Postsurgical inflammatory response is not associated with increased serum cystatin C values

Åkerfeldt, Torbjörn; Helmersson, Johanna; Larsson, Anders

Part of Clinical Biochemistry, p. 1138-1140, 2010

• DOI for Postsurgical inflammatory response is not associated with increased serum cystatin C values

Metabolic stress-like condition can be induced by prolonged strenuous exercise in athletes

Branth, Stefan; Hambraeus, Leif; Piehl-Aulin, Karin; Essén-Gustavsson, Birgitta et al.

Part of Upsala Journal of Medical Sciences, p. 12-25, 2009

• DOI for Metabolic stress-like condition can be induced by prolonged strenuous exercise in athletes

Pre- and postoperative nutritional status and predictors for surgical wound infections in elective orthopaedic and thoracic patients

Gunningberg, Lena; Persson, Christina; Åkerfeldt, Torbjörn; Stridsberg, Mats et al.

Part of European Journal of Clinical Nutrition, 2008

• DOI for Pre- and postoperative nutritional status and predictors for surgical wound infections in elective orthopaedic and thoracic patients

Biochemical effects of consumption of eggs containing omega-3 polyunsaturated fatty acids

Öhman, Marie; Åkerfeldt, Torbjörn; Nilsson, Ingela; Rosen, Christer et al.

Part of Upsala Journal of Medical Sciences, p. 315-323, 2008

• DOI for Biochemical effects of consumption of eggs containing omega-3 polyunsaturated fatty acids

Pre- andpostoperative nutritional status and predictors for surgical-wound infections in elective orthopaedic and thoracic patients

Gunningberg, Lena; Persson, Christina; Åkerfeldt, Torbjörn; Stridsberg, Mats et al.

Part of e-SPEN, The European E-Journal of Clinical Nutrition and Metabolism, 2008

• DOI for Pre- andpostoperative nutritional status and predictors for surgical-wound infections in elective orthopaedic and thoracic patients

Inverse relationship between protein intake and plasma free amino acids in healthy men at physical exercise

Forslund, AH; Hambraeus, L; van Beurden, H; Holmback, U et al.

Part of Am. J. Physiol.-Endocrinol. Metab., 2000

Identification of cystatin C as a new marker of glomerular filtration rate, and of shrunken pore syndrome - a new kidney disorder defining selective glomerular hypofiltration syndromes - calls for expansion of the international KDIGO guidelines

Åkesson, Anna; Öberg, Carl; Malmgren, Linnea; Nilsson, Christopher et al.

Part of Scandinavian Journal of Clinical and Laboratory Investigation, p. 409-419, 2025

• DOI for Identification of cystatin C as a new marker of glomerular filtration rate, and of shrunken pore syndrome - a new kidney disorder defining selective glomerular hypofiltration syndromes - calls for expansion of the international KDIGO guidelines
• Download full text (pdf) of Identification of cystatin C as a new marker of glomerular filtration rate, and of shrunken pore syndrome - a new kidney disorder defining selective glomerular hypofiltration syndromes - calls for expansion of the international KDIGO guidelines

PFAS and OH-PCB Exposure is Associated with an Altered Bile Acid Homeostasis in Multiple Sclerosis

Vaivade, Aina; Erngren, Ida; Freyhult, Eva; Emami Khoonsari, Payam et al.