Stine Jacobsen's research while affiliated with IT University of Copenhagen and other places
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Publications (248)
Background:
Horses with non-strangulating intestinal infarction (NSII) are often misdiagnosed with idiopathic peritonitis or acute colitis. Early diagnosis is essential to ensure early surgical intervention and improve survival.
Methods:
Clinical and laboratory data from horses admitted to the University of Copenhagen Large Animal Teaching Hospi...
Neutrophil gelatinase-associated lipocalin (NGAL) has been suggested to be a highly sensitive and specific marker of joint infection in humans. The aim of the study was to investigate NGAL concentrations in synovial fluid (SF) from horses with septic synovitis, horses without septic synovitis, and horses with uncertain status. NGAL was measured in...
Objective
Osteoarthritis (OA) is a significant health issue in humans as well as horses. Experimental models of equine carpal OA have been used to investigate OA pathogenesis and potential therapeutic candidates. A 5-scale scoring system (OARSI) for macroscopic pathological cartilage changes already exists, but there is a need for a scoring system...
Background
To investigate if specific sow and piglet behavioral characteristics could be used diagnostically, this case-cohort study of the behavior of sows and piglets during the periparturient period (from 24 h before the birth of first piglet to 24 h after the birth of last piglet) was conducted. Data included 32 sows diagnosed with PDS (PDS+) v...
Introduction: Equine osteoarthritis (OA) is a heterogeneous, degenerative disease of the musculoskeletal system with multifactorial causation, characterized by a joint metabolic imbalance. Extracellular vesicles are nanoparticles involved in intracellular communication. Mesenchymal stem cell (MSC) therapy is a form of regenerative medicine that uti...
Serum amyloid A (SAA) has become an indispensable part of the management of equine patients in general practice and specialized hospital settings. Although several proteins possess acute phase properties in horses, the usefulness of SAA exceeds that of other acute phase proteins. This is due to the highly desirable kinetics of the equine SAA respon...
Background
Mesenchymal stem cells (MSCs) have gained much attention for their potential to treat osteoarthritis (OA). Integrin α10β1-selected equine MSCs (integrin α10-MSCs) have previously been shown to decrease cartilage degradation and bone sclerosis in an experimental equine post-traumatic osteoarthritis (OA) model, and recently we demonstrated...
Background:
Serum amyloid A (SAA) has been reported to hold promise as diagnostic and prognostic marker in foals. This has not been investigated thoroughly.
Objectives:
Evaluate admission SAA concentrations as predictor of sepsis and outcome.
Animals:
Five hundred and ninety hospitalized foals <14 days old.
Methods:
Retrospective multicenter...
Equine osteoarthritis is a heterogeneous, degenerative disease of the musculoskeletal system with multifactorial causation, characterised by a joint metabolic imbalance. Extracellular vesicles are nanoparticles involved in intracellular communication. Mesenchymal stem cell (MSC) therapy is a form of regenerative medicine that utilises their propert...
Horses frequently sustain wounds due to their “fight and flight” nature. Equine body wounds heal well whereas limb wounds often display impaired healing. This disparity in healing patterns has been attributed to factors like hypoxia and prolonged chronic inflammation in equine limb wounds. Recent research suggests biofilm infections to also be part...
Purpose
The efficacy of antimalarials, especially hydroxychloroquine (HCQ), in preventing flares of systemic lupus erythematosus (SLE) is well demonstrated, but its effectiveness is impaired by non-adherence to treatment, reported to vary between 3% and 85%.We aimed to assess the associations of baseline severe non-adherence to HCQ, objectively ass...
Extracellular vesicles comprise an as yet inadequately investigated intercellular communication pathway in the field of early osteoarthritis. We hypothesised that the small non-coding RNA expression pattern in synovial fluid and plasma would change during progression of experimental osteoarthritis. In this study, we conducted small RNA sequencing t...
Background
Systemic lupus erythematosus (SLE) is characterized by chronic, systemic inflammation, organ damage and -dysfunction. Autonomic nervous system dysfunction is highly prevalent in SLE patients (up to 54%); compared to controls the prevalence may be up to 12 times increased. ¹ These numbers parallel findings in other chronic conditions such...
Background
Systemic lupus erythematosus (SLE) has been associated with more than 100 genetic loci. This parallels positively to the clinical diversity that is reflected by the classification of SLE.
Objectives
We aimed to investigate associations between disease manifestations of SLE and risk gene variants relevant to Danish subjects of European a...
Background
Nephritis (LN) in systemic lupus erythematosus (SLE) is still a major determinant of poor prognosis[1].
The vast majority of LN occurs in proximity to the SLE diagnosis[2]. Identification of individuals at high risk, especially early onset SLE, is therefore warranted. Inclusion of risk factors prior to the SLE diagnosis may thus be of im...
Background
Systemic lupus erythematosus (SLE) is a complex multiorgan autoimmune disease that primarily affects women during child-bearing years. The aetiology of SLE involves inadequate clearance of nuclear material released from apoptotic cells. The persistence of host DNA and RNA triggers the immune system to react as seen in a viral infection,...
Background:
Neutrophil gelatinase-associated lipocalin (NGAL) is produced in response to inflammation in horses, but it has not yet been investigated as a biomarker in horses with abdominal disease.
Objectives:
To investigate NGAL in serum and peritoneal fluid in horses with abdominal disease.
Study design:
Retrospective clinical study.
Metho...
Background
Systemic lupus erythematosus (SLE) is an autoimmune disease with increased risk of cardiovascular complications such as coronary artery disease, myocarditis, pericarditis, and valvular dysfunction (1─3). The pathophysiological mechanisms are poorly understood and markers to identify high risk patients are warranted.
Objectives
We aimed...
Background
Mesenchymal stem cells (MSCs) have shown promising results in stimulating cartilage repair and in the treatment of osteoarthritis (OA). However, the fate of the MSCs after intra-articular injection and their role in cartilage regeneration is not clear. To address these questions, this study investigated (1) homing of labeled human adipos...
Objective: Osteoarthritis (OA) is a significant problem in both people and horses. Experimental models of equine carpal OA have been used to investigate the pathogenesis of OA and to evaluate potential therapeutic candidates. A 5-scale scoring system (OARSI) for macroscopic pathological cartilage changes already exists, but there is a need for a sc...
Changes in the salivary proteome in 12 horses with the two diseases included in equine gastric ulcer syndrome (EGUS), equine glandular gastric disease (EGGD) (n = 6) and equine squamous gastric disease (ESGD) (n = 6), were evaluated using a high-resolution LC-MS/MS analysis of TMT-labelled peptides and compared to 10 healthy control horses. Serum w...
Purpose: Osteoarthritis (OA) is a complex, multifactorial degenerative joint disease affecting multiple tissues within the joint. There are currently no effective curative treatments available, and therapy is often limited to stagnating the disease and supplying analgesia. Novel approaches to understanding OA may lead to discovery of new therapeuti...
Extracellular vesicles comprise an as yet inadequately investigated intercellular communication pathway in the field of early osteoarthritis. We hypothesised that small non-coding RNA expression pattern in synovial fluid and plasma would change during progression of experimental osteoarthritis. In this study, we used small RNA sequencing to provide...
Background: Mesenchymal stem cells (MSCs) have shown promising results in stimulating cartilage repair and in the treatment of osteoarthritis (OA). However, the fate of the MSCs after intra-articular injection and their role in cartilage regeneration is not clear. To address these questions, this study investigated 1) homing of labeled human adipos...
Changes in the oxidative status of the blood of horses suffering from gastric ulcers and colic of intestinal aetiology (CIE) have been reported. However, saliva can also be a source of biomarkers of oxidative status. Therefore, this study aims to validate automated assays for the measurement of oxidative status biomarkers (ferric reducing ability o...
Articular cartilage thinning is an important hallmark of osteoarthritis (OA), and ultrasonography (US) is a clinically accessible tool potentially suitable for repeated evaluation. The aim of the present prospective methods comparison study was to validate US as a tool for measuring cartilage thickness in the carpus of the horse. Eight Standardbred...
Funding Acknowledgements
Type of funding sources: Public hospital(s). Main funding source(s): Copenhagen University Hospital
Background
Systemic lupus erythematosus (SLE) is an autoimmune disease with increased risk of cardiovascular complications such as coronary artery disease, myocarditis, pericarditis and valvular dysfunction. The pathophysiolo...
Objective: To determine predictors of change in neuropsychiatric (NP) event status in a large, prospective, international inception cohort of patients with systemic lupus erythematosus (SLE). // Methods: Upon enrollment and annually thereafter, NP events attributed to SLE and non-SLE causes and physician-determined resolution were documented. Facto...
Background
Postpartum dysgalactia syndrome (PDS) is associated with a significantly higher activation of the inflammatory and stress response at parturition than in the healthy sow. Therefore, reliable and possibly non-invasive biomarkers for substantial increases of inflammation are searched to support the PDS diagnosis. This report studies the po...
Serum neutrophil gelatinase‐associated lipocalin (sNGAL) is a marker of renal injury, and its concentrations are affected by inflammation. Therefore, it could serve as a useful biomarker of disease or fitness in high‐level competition. However, it has not yet been determined if sNGAL concentrations are affected by exercise. The aim of this study wa...
In chronic wounds in humans, biofilm formation and wound chronicity are linked, as biofilms contribute to chronic inflammation and delayed healing. Biofilms are aggregates of bacteria, and living as biofilms is the default mode of bacterial life; within these aggregates, the bacteria are protected from both antimicrobial substances and the immune r...
The role of resident cells such a synoviocytes and chondrocytes in intra-articular inflammation is well-characterized, however the in vivo gene expression patterns of cells (predominantly leukocytes) in the synovial fluid (SF) of an inflamed joint have never previously been investigated. The aim of this study was to investigate gene expression in S...
Objective
The objectives of this study was to establish a sensitive and reproducible method to map the cartilage and subchondral bone proteomes in quantitative terms, and mine the proteomes for proteins of particular interest in the pathogenesis of osteoarthritis (OA). The horse was used as a model animal.
Design
Protein was extracted from articul...
Objective: The Systemic Lupus International Collaborating Clinics (SLICC) 2012 systemic lupus erythematosus (SLE) classification criteria and the revised American College of Rheumatology (ACR) 1997 criteria are list based, counting each SLE manifestation equally. We derived a classification rule based on giving variable weights to the SLICC criteri...
Background
Remission, LDA and LDAS have been proposed as treatment goals for SLE. However, the independent impact of these states on damage accrual has not been fully evaluated.
Objectives
To determine the independent impact of remission (both off & on treatment), LDA, and LLDAS on damage accrual.
Methods
We studied a long-term longitudinal multi...
Background:
Outcome after desmotomy of the accessory ligament of the deep digital flexor tendon (AL-DDFT) to treat flexural deformity of the distal interphalangeal joint has been reported to be excellent. However, no studies have compared long-term athletic performance of sport horses exposed to desmotomy of the AL-DDFT to that of matched controls...
The aim of this study was to investigate the changes in the salivary proteome in horses with acute abdominal disease (AAD) using a tandem mass tags (TMT)-based proteomic approach. The saliva samples from eight horses with AAD were compared with six healthy horses in the proteomic study. Additionally, saliva samples from eight horses with AAD and ei...
Non-steroidal anti-inflammatory drugs (NSAIDs) can cause right dorsal colitis, but longitudinal clinical studies are lacking. This study investigates whether NSAID treated horses develop right dorsal colonic pathology in a clinical setting. Non-gastrointestinal hospitalized horses treated with NSAIDs >4 days, and untreated hospital-owned teaching h...
Background
Postpartum dysgalactia syndrome (PDS) is associated with a significantly higher activation of the inflammatory and stress response at parturition than in the healthy sow. Therefore, reliable and possibly non-invasive biomarkers for substantial increases of inflammation are searched to support the PDS diagnosis. This report studies the po...
Objective
To investigate neutrophil gelatinase‐associated lipocalin (NGAL) concentrations in serum and synovial fluid (SF) from horses with joint inflammation.
Study design
Experimental studies and retrospective clinical study.
Sample population
Serum and SF samples were available from healthy horses (n = 19), clinical cases, and horses with expe...
Thoracotomy is an uncommon procedure in horses but remains essential in a variety of cases of pleuropneumonia, pericarditis, thoracic trauma or diaphragmatic herniation, and for experimental thoracic and cardiac procedures. This study aimed at developing an experimental surgical procedure allowing access to the entire circumference of the heart and...
Objective: In previous studies, atherosclerotic vascular events (AVEs) were shown to occur in ~10% of patients with systemic lupus erythematosus (SLE). We undertook this study to investigate the annual occurrence and potential risk factors for AVEs in a multinational, multiethnic inception cohort of patients with SLE. / Methods: A large 33‐center c...
Background:
Castration of the stallion is one of the most frequently performed surgical procedures in the horse. Recently barbed suture materials for surgical wound closure were introduced to the market with manufacturers claiming that these sutures enhance speed and security as they eliminate the need to tie knots. Recently, it has been suggested...
Background
SLE onset is preceded by a preclinical phase evidenced by the presence of anti-nuclear and other autoantibodies (autoAbs), which however, have low predictive value for development of clinical SLE.
Objectives
To define the subgroup of autoAbs-positive individuals who are at high risk for progression into SLE by integrating environmental,...
Background
EULAR/ACR 2019 SLE Classification Criteria were validated in an international cohort.
Objectives
To evaluate performance characteristics of SLE classification systems in sex, race/ethnicity, and disease duration subsets.
Methods
Sensitivity and specificity of the EULAR/ACR 2019, SLICC 2012 and ACR 1982/1997 criteria were evaluated in t...
Objective:
To evaluate histologic changes and gene expression patterns in body and limb wounds in horses in response to bacterial inoculation.
Sample:
Wound biopsy specimens from 6 horses collected on days 7, 14, 21, and 27 after excisional wounds (20 wounds/horse) were created over the metacarpal and metatarsal region and lateral thoracic regio...
Background:
Serum amyloid A (SAA) is a major equine acute phase protein and of great value in detection and monitoring of inflammation. A new immunoturbidometric assay based on monoclonal antibodies (VET-SAA, Eiken Chemical Co., Japan) may be useful for SAA measurements in routine diagnostic laboratories. The aim of the study was to validate the V...
Background Serum amyloid A (SAA) is a major equine acute phase protein and of great value in detection and monitoring of inflammation. A new immunoturbidometric assay based on monoclonal antibodies (VET-SAA, Eiken Chemical Co., Japan) may be useful for SAA measurements in routine diagnostic laboratories. The aim of the study was to validate the VET...
Objective: The aim of this study was to investigate whether incident proteinuria in patients with systemic lupus erythematosus (SLE) was preceded by changes in blood lymphocytes and neutrophil counts and/or neutrophil–lymphocyte ratio (NLR).
Method: SLE patients with no proteinuria before or at the time of classification were included. Longitudinal...
To investigate the prevalence of mastitis in sows suffering from postpartum dysgalactia syndrome (PDS), we examined milk constituents and concentrations of lipopolysaccharides (LPS) obtained from the udder vein (v. epigastrica). As part of a case-cohort study, 109 sows were monitored daily from 60 h antepartum (a.p.) to 36 h postpartum (p.p.). Over...
Background Serum amyloid A (SAA) is a major equine acute phase protein and of great value in detection and monitoring of inflammation. A new immunoturbidometric assay based on monoclonal antibodies (VET-SAA, Eiken Chemical Co., Japan) may be useful for SAA measurements in routine diagnostic laboratories. The aim of the study was to validate the VET...
Background:
The re-epithelialization process in equine wound healing is incompletely described. For epithelial cells to migrate during embryogenesis they undergo epithelial-to-mesenchymal transition (EMT); this phenotypic transition occurs during wound healing in humans and rodents, but it has not been investigated in horses.
Hypothesis/objective...
Objective: To generate a core set of items to develop classification criteria for scleroderma renal crisis (SRC) using consensus methodology. / Methods: An international, multidisciplinary panel of experts was invited to participate in a 3-round Delphi exercise developed using a survey based on items identified by a scoping review. In round 1, part...
Objective: Relevant animal models to study effects of bacterial aggregates on wound healing are lacking. We aimed at establishing an equine wound model with bacterial aggregates to investigate the impact of bacterial inoculation on normal (thorax) and impaired (limb) wound healing. Approach: Wounds were created on three limbs and both thorax sides...
Background
This project was undertaken to generate a core set of items to develop classification criteria for scleroderma renal crisis (SRC) using consensus methodology.
Methods
An international, multidisciplinary panel of experts was invited to participate in a 3‐round Delphi exercise developed using a survey based on items identified by a scop...
Background
Postpartum dysgalactia syndrome (PDS) in sows is difficult to diagnose and the pathogenesis is obscure. Hormonal changes related to the disease are often difficult to distinguish from those found in the normal transition period from gestation to lactation. The study aimed to investigate metabolic and hormonal changes related to PDS with...
Background
Neutrophil gelatinase‐associated lipocalin (NGAL) has been shown to be a useful marker of kidney injury in people and dogs, but has not been described in horses.
Objectives
The aim of the study was to validate a commercially available porcine‐specific ELISA to measure serum concentrations of equine NGAL.
Methods
Intra‐ and interassay i...
- [...]
OBJECTIVE: To determine the frequency, associations and outcomes of cerebrovascular events (CerVEs) in a multi-ethnic/racial, prospective, SLE disease inception cohort. METHODS: Patients were assessed annually for 19 neuropsychiatric (NP) events including 5 types of CerVEs: (i) Stroke; (ii) Transient ischemia; (iii) Chronic multifocal ischemia; (iv...
Objective: Peptidylarginine deiminase-4 (PAD4) is highly expressed by neutrophils and essential for citrullination occurring during the formation of neutrophil extracellular traps, which have been implicated in the pathogenesis of systemic lupus erythematosus (SLE) and lupus nephritis (LN). Single-nucleotide polymorphisms (SNPs) in PADI4 influence...
Objective: To investigate the clinical and radiographic status, and to identify baseline predictors of functional status and erosive progression at 11 years’ follow-up of early rheumatoid arthritis (RA) patients.
Methods: Patients enrolled in the Danish investigator-initiated randomized controlled CIMESTRA trial, which investigated a 2 year treat-t...
Background:
Studies have shown proximal diffusion of injected drugs in perineural blocks; such diffusion may affect specificity of the nerve block.
Objectives:
To investigate the effect of a compression bandage applied to the pastern region on proximal diffusion of contrast medium injected over the palmar digital nerves.
Study design:
Experime...
Background:
Strongylus vulgaris is re-emerging in horses kept under surveillance-based parasite control regimens. Information on non-strangulating intestinal infarction associated with S. vulgaris is needed in order to improve recognition of the condition.
Objective:
To describe the typical clinical presentation, laboratory findings, gross patho...
Objective
The objective of this paper is to examine the association between plasma levels of β2-microglobulin (β2MG), a protein previously associated with atherosclerosis, and the presence of carotid plaque (CP) or coronary artery calcium (CAC) in a cross-sectional cohort study of patients with systemic lupus erythematosus (SLE).
Methods
Patients...
The original article [1] contains an error whereby the caption in Figure 8 is incorrect; the correct caption can be seen ahead alongside its respective image.
In the last decades, a well-established equine wound model has been used to study fibroproliferative wound healing disorders. The aim of this study was to characterize the degree of discomfort of wounding and sampling in an equine excisional wound model by evaluating systemic and local inflammatory responses and signs of pain. A total of 12 cutaneo...
Background
A cohort of routine care rheumatoid arthritis (RA) patients in sustained remission had biological disease-modifying anti-rheumatic drugs (bDMARDs) tapered according to a treatment guideline. Little is known about predictors of successful tapering and discontinuation of bDMARDs.
Objectives
We studied: 1) the proportion of patients whose...
Background
This 4 phase project¹ jointly supported by EULAR and ACR has led to draft criteria.²
Objectives
To simplify and validate the new criteria in a large international cohort.
Methods
23 expert centres each contributed up to 100 patients with SLE and with non-SLE diagnoses. Diagnoses were verified by 3 independent reviewers for 1,193 SLE an...
Background
Idiopathic inflammatory myopathies (IIMs) are characterised by progressive muscle weakness and muscle fatigue. IIMs frequently appear with other organ involvement, e.g. the heart. Cardiac affection is often subclinical but associated with poor prognosis which makes early detection critical. Presence of autoantibodies is common in IIMs an...
Introduction:
Information on microscopic anatomy of equine skin is sparse. In horses, limb wounds often become chronic and/or non-healing whereas body wounds heal normally. These dissimilarities in healing patterns might be a product of different phenotypic characteristics of body and limb skin. The objective of this study was to investigate micro...
Background:
The pathogenesis of postpartum dysgalactia syndrome (PDS) in sows is not fully elucidated and affected sows often present vague clinical signs. Accurate and timely diagnosis is difficult, and PDS is often recognized with a delay once piglets begin to starve. Increased rectal temperature of the sow is an important diagnostic parameter,...