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Lupus nephritis biomarkers

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https://www.readbyqxmd.com/read/30537116/hmgb1-microparticles-present-in-urine-are-hallmarks-of-nephritis-in-patients-with-systemic-lupus-erythematosus
#1
Catalina Burbano, Jose A Gomez-Puerta, Carlos Muñoz-Vahos, Adriana Vanegas-García, Mauricio Rojas, Gloria Vásquez, Diana Castaño
Non-classical monocytes infiltrate the kidney parenchyma and participate in tissue damage in patients with lupus nephritis (LN). Circulating microparticles (MPs) seem to play critical roles in the activation of monocytes in systemic lupus erythematosus (SLE) patients. This study aims to characterize the phenotypes of MPs and monocyte subsets in LN patients and to determine their potential to discriminate between SLE patients with and without LN. Blood and urine samples from SLE patients were collected. In monocyte subsets from whole blood samples several phenotypic markers were evaluated...
December 10, 2018: European Journal of Immunology
https://www.readbyqxmd.com/read/30525646/discovery-and-qualification-of-candidate-urinary-biomarkers-of-disease-activity-in-lupus-nephritis
#2
Veronica G Anania, Kebing Yu, Francesco Pingitore, Qingling Li, Christopher M Rose, Peter Liu, Wendy Sandoval, Ann E Herman, Jennie R Lill, W Rodney Mathews
Lupus nephritis (LN) is a severe clinical manifestation of systemic lupus erythematosus (SLE) associated with significant morbidity and mortality. Assessment of severity and activity of renal involvement in SLE requires a kidney biopsy, an invasive procedure with limited prognostic value. Non-invasive biomarkers are needed to inform treatment decisions and to monitor disease activity. Proteinuria is associated with disease progression in LN, however, the composition of the LN urinary proteome remains incompletely characterized...
December 10, 2018: Journal of Proteome Research
https://www.readbyqxmd.com/read/30478377/il-34-promotes-foam-cell-formation-by-enhancing-cd36-expression-through-p38-mapk-pathway
#3
Qingyan Liu, Jiao Fan, Jing Bai, Liang Peng, Tao Zhang, Lei Deng, Gaokun Wang, Yu Zhao, Jingguo Nong, Minghua Zhang, Yu Wang
Atherosclerosis is characterized as a chronic inflammatory disease and macrophage-derived foam cells play a central role during the pathologic processes. A newly discovered cytokine interleukin-34 (IL-34) is closely associated with various inflammatory and autoimmune diseases. Expression of IL-34 in obesity, inflammatory bowel disease (IBD), rheumatoid arthritis (RA), lupus nephritis and coronary artery diseases (CAD) are significantly elevated. However, the role of IL-34 in atherosclerosis remains unknown...
November 26, 2018: Scientific Reports
https://www.readbyqxmd.com/read/30453818/plasma-cytokines-as-potential-biomarkers-of-kidney-damage-in-patients-with-systemic-lupus-erythematosus
#4
L Pacheco-Lugo, J Sáenz-García, E Navarro Quiroz, H González Torres, L Fang, Y Díaz-Olmos, G Garavito de Egea, E Egea Bermejo, G Aroca Martínez
BACKGROUND: Systemic lupus erythematosus is a heterogeneous chronic inflammatory autoimmune disorder characterized by an exacerbated expression of cytokines and chemokines in different tissues and organs. Renal involvement is a significant contributor to the morbidity and mortality of systemic lupus erythematosus, and its diagnosis is based on renal biopsy, an invasive procedure with a high risk of complications. Therefore, the development of alternative, non-invasive diagnostic tests for kidney disease in patients with systemic lupus erythematosus is a priority...
November 19, 2018: Lupus
https://www.readbyqxmd.com/read/30439969/expression-of-cmip-in-podocytes-is-restricted-to-specific-classes-of-lupus-nephritis
#5
Khedidja Bouachi, Anissa Moktefi, Shao-Yu Zhang, Julie Oniszczuk, Kelhia Sendeyo, Philippe Remy, Vincent Audard, Andre Pawlak, Mario Ollero, Djillali Sahali
Lupus glomerulopathies are classified into various histological patterns, which probably result from different pathophysiological origins. Podocyte injury can be demonstrated in lupus nephritis but its clinical relevance is far little appreciated and is often masked by proliferative lesions and inflammatory cell infiltrations. Two patterns of podocyte lesions may be considered, either occurring in the context of renal inflammation or reflecting podocyte dysfunction in non-proliferative and non-inflammatory glomerulopathies...
2018: PloS One
https://www.readbyqxmd.com/read/30398001/elevated-expression-of-mir-21-and-mir-155-in-peripheral-blood-mononuclear-cells-as-potential-biomarkers-for-lupus-nephritis
#6
Majid Khoshmirsafa, Nahid Kianmehr, Reza Falak, Seyed Javad Mowla, Farhad Seif, Behnaz Mirzaei, Mohadeseh Valizadeh, Mehdi Shekarabi
AIM: Lupus nephritis (LN) is a severe complication of systemic lupus erythematosus (SLE). There is a great interest in using microRNAs (miRNAs) as diagnostic and prognostic biomarkers in autoimmune diseases. MATERIALS AND METHODS: This study evaluated miR-16, miR-21, miR-141, miR-146a, and miR-155 expression levels in peripheral blood mononuclear cells (PBMCs) of 55 female SLE patients with absent, inactive, or active nephritis, and 30 healthy controls (HCs) using quantitative polymerase chain reaction...
November 5, 2018: International Journal of Rheumatic Diseases
https://www.readbyqxmd.com/read/30397495/analysis-of-urinary-macrophage-migration-inhibitory-factor-in-systemic-lupus-erythematosus
#7
Fabien B Vincent, Laura Slavin, Alberta Y Hoi, Arthur Richard Kitching, Fabienne Mackay, James Harris, Rangi Kandane-Rathnayake, Eric F Morand
Objective: To characterise the clinical relevance of urinary macrophage migration inhibitory factor (uMIF) concentrations in patients with systemic lupus erythematosus (SLE). Methods: MIF, adjusted for urine creatinine, was quantified by ELISA in urine samples from 64 prospectively recruited patients with SLE. Serum MIF and urinary monocyte chemoattractant protein 1 (uMCP-1) were quantified by ELISA in a subset of patients (n = 39). Disease activity was assessed using the SLE Disease Activity Index-2000 (SLEDAI-2K) score...
2018: Lupus Science & Medicine
https://www.readbyqxmd.com/read/30391651/a-markov-multi-state-model-of-lupus-nephritis-urine-biomarker-panel-dynamics-in-children-predicting-changes-in-disease-activity
#8
E M D Smith, A Eleuteri, B Goilav, L Lewandowski, A Phuti, T Rubinstein, D Wahezi, C A Jones, S D Marks, R Corkhill, C Pilkington, K Tullus, C Putterman, C Scott, A C Fisher, M W Beresford
BACKGROUND: A urine 'biomarker panel' comprising alpha-1-acid-glycoprotein, ceruloplasmin, transferrin and lipocalin-like-prostaglandin-D synthase performs to an 'excellent' level for lupus nephritis identification in children cross-sectionally. The aim of this study was to assess if this biomarker panel predicts lupus nephritis flare/remission longitudinally. METHODS: The novel urinary biomarker panel was quantified by enzyme linked immunoabsorbant assay in participants of the United Kingdom Juvenile Systemic Lupus Erythematosus (UK JSLE) Cohort Study, the Einstein Lupus Cohort, and the South African Paediatric Lupus Cohort...
November 2, 2018: Clinical Immunology: the Official Journal of the Clinical Immunology Society
https://www.readbyqxmd.com/read/30388165/clinical-significance-of-serum-and-mesangial-galactose-deficient-iga1-in-patients-with-iga-nephropathy
#9
Yukihiro Wada, Kei Matsumoto, Taihei Suzuki, Tomohiro Saito, Nobuhiro Kanazawa, Shohei Tachibana, Ken Iseri, Motonori Sugiyama, Masayuki Iyoda, Takanori Shibata
INTRODUCTION: Galactose-deficient IgA1 (Gd-IgA1) is a critical pathogenic factor for IgA nephropathy (IgAN), but its value as a disease-specific biomarker remains controversial. We aimed to clarify the clinical significance of Gd-IgA1 in patients with IgAN. METHODS: We retrospectively reviewed 111 patients who were diagnosed with IgAN based on the findings of renal biopsies (RB) at Showa University Hospital since 2007. Serum Gd-IgA1 (s-Gd-IgA1) at the time of RB was compared among 111 IgAN patients, 18 Henoch-Schönlein purpura nephritis (HSPN) patients, 29 lupus nephritis (LN) patients, 28 ANCA-associated vasculitis (AAV) patients, and 13 minimal change disease (MCD) patients using ELISA with an anti-human Gd-IgA1-specific monoclonal antibody (KM55)...
2018: PloS One
https://www.readbyqxmd.com/read/30359254/genomic-approaches-in-the-search-for-molecular-biomarkers-in-chronic-kidney-disease
#10
REVIEW
M Cañadas-Garre, K Anderson, J McGoldrick, A P Maxwell, A J McKnight
BACKGROUND: Chronic kidney disease (CKD) is recognised as a global public health problem, more prevalent in older persons and associated with multiple co-morbidities. Diabetes mellitus and hypertension are common aetiologies for CKD, but IgA glomerulonephritis, membranous glomerulonephritis, lupus nephritis and autosomal dominant polycystic kidney disease are also common causes of CKD. MAIN BODY: Conventional biomarkers for CKD involving the use of estimated glomerular filtration rate (eGFR) derived from four variables (serum creatinine, age, gender and ethnicity) are recommended by clinical guidelines for the evaluation, classification, and stratification of CKD...
October 25, 2018: Journal of Translational Medicine
https://www.readbyqxmd.com/read/30354857/a-positive-direct-coombs-test-in-the-absence-of-hemolytic-anemia-predicts-high-disease-activity-and-poor-renal-response-in-systemic-lupus-erythematosus
#11
H Hanaoka, H Iida, T Kiyokawa, Y Takakuwa, K Kawahata
We determined the clinical utility of the direct Coombs' test in the absence of hemolytic anemia as an indicator of disease activity and therapeutic response in systemic lupus erythematosus (SLE). SLE patients without hemolytic anemia who visited our hospital from January 2016 to November 2016 were retrospectively evaluated with a direct Coombs' test. Clinical features, including SLE disease activity index (SLEDAI), treatment and laboratory findings were analyzed. For patients with lupus nephritis, we additionally evaluated the cumulative complete renal response rate over one year after induction therapy...
October 25, 2018: Lupus
https://www.readbyqxmd.com/read/30348048/growing-international-evidence-for-urinary-biomarker-panels-identifying-lupus-nephritis-in-children-verification-within-the-south-african-paediatric-lupus-cohort
#12
E M D Smith, L B Lewandowski, A L Jorgensen, A Phuti, P Nourse, C Scott, M W Beresford
BACKGROUND: A urinary biomarker panel including alpha-1-acid-glycoprotein (AGP), lipocalin-like-prostaglandin-D-synthase (LPGDS), transferrin and ceruloplasmin demonstrates an 'excellent' ability for identifying active lupus nephritis in UK/US children. This study aimed to assess whether this panel identifies active lupus nephritis within the South African Paediatric Lupus Cohort. METHODS: Juvenile-onset-systemic lupus erythematosus (JSLE) patients aged < 19 years at diagnosis and healthy controls were recruited...
October 22, 2018: Lupus
https://www.readbyqxmd.com/read/30344652/annexin-a2-and-fth1-are-potential-biomarkers-for-lupus-nephritis
#13
Yanni Zhou, Liangxiang Xiao, Shuifu Tang
Lupus nephritis (LN) occurs in ~50% of patients with systemic lupus erythematosus and is a major cause of morbidity and mortality of the affected individuals. Therefore, identification of novel and predictive biomarkers for the early diagnosis and progression of LN is required. The present study included 10 patients with LN whose diagnoses were confirmed by renal biopsy and 5 healthy participants as control subjects. Sera were collected both from patients with LN and healthy controls. Subsequently, mesangial cells were treated with these sera for 24 h...
November 2018: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/30306067/microrna-expression-profile-of-urinary-exosomes-in-type-iv-lupus-nephritis-complicated-by-cellular-crescent
#14
Yi Li, Xiaosong Xu, Xiaopeng Tang, Xiuwu Bian, Bingbing Shen, Hongwen Zhao, Shiyuan Luo, Zhiwen Chen, Keqin Zhang
Background: Type IV lupus nephritis (LNIV) is a severe disease characterized by diffuse proliferative lesions, and its prognosis is worse with cellular crescent (LNIV-CC) involvement. Urinary exosomes have been shown to reflect the degree of kidney injury. This study was aimed to identify non-invasive diagnostic markers for LNIV-CC. We analysed the expression profile of microRNAs (miRNAs) isolated from urinary exosomes in patients with LNIV-CC and LNIV, and healthy individuals using high-throughput sequencing...
December 2018: Journal of Biological Research
https://www.readbyqxmd.com/read/30285245/discovery-of-serpina3-as-a-candidate-urinary-biomarker-of-lupus-nephritis-activity
#15
Jessica L Turnier, Hermine I Brunner, Michael Bennett, Ashwaq Aleed, Gaurav Gulati, Wendy D Haffey, Sherry Thornton, Michael Wagner, Prasad Devarajan, David Witte, Kenneth D Greis, Bruce Aronow
Objectives: We used an unbiased proteomics approach to identify candidate urine biomarkers (CUBMs) predictive of LN chronicity and pursued their validation in a larger cohort. Methods: In this cross-sectional pilot study, we selected urine collected at kidney biopsy from 20 children with varying levels of LN damage (discovery cohort) and performed proteomic analysis using isobaric tags for relative and absolute quantification (iTRAQ). We identified differentially excreted proteins based on degree of LN chronicity and sought to distinguish markers exhibiting different relative expression patterns using hierarchically clustered log10-normalized relative abundance data with linked and distinct functions by biological network analyses...
October 4, 2018: Rheumatology
https://www.readbyqxmd.com/read/30243003/study-of-antichromatin-antibodies-as-a-marker-of-lupus-activity-and-lupus-nephritis
#16
Fatma M Elsenosy, Sabila G Mousa, Nagwa A Mohamed, Rehab H Mohamed
Systemic Lupus Erythematosus (SLE) is a chronic and potentially fatal autoimmune disorder characterized by the production of auto-antibodies that cause widespread tissue damage. Validate Antichromatin antibodies as a biomarker of renal involvement in SLE and how their titers correlate with systemic lupus activity measure (SLAM) index among a sample of Egyptian systemic lupus patients. The study was conducted on 60 patients diagnosed according to ACR criteria for diagnoses of SLE (Group I) and 25 age matched healthy controls (Group II)...
January 2018: Egyptian Journal of Immunology
https://www.readbyqxmd.com/read/30242996/plasma-soluble-urokinase-plasminogen-activator-receptor-levels-in-systemic-lupus-erythematosus-patients
#17
Yasser A Zaitoon, Abeer A Shehab, Nesrine A Mohamed, Caroline S Morad, Engy M Yassine
This study aimed to determine whether plasma soluble urokinase plasminogen activator receptor (suPAR) could serve as an activity biomarker in systemic lupus erythematosus (SLE) patients. suPAR levels were assessed in SLE patients, compared to healthy controls and correlated with disease activity. Sixty SLE patients were enrolled with assessment of disease activity using SLE Disease Activity Index (SLEDAI), C3, soluble urokinase plasminogen activator receptor level. Patients were divided according to disease activity into three groups: Patients in remission, mild to moderate activity, and high disease activity...
January 2018: Egyptian Journal of Immunology
https://www.readbyqxmd.com/read/30233806/serum-albumin-at-1-year-predicts-long-term-renal-outcome-in-lupus-nephritis
#18
Vinicius Domingues, Benjamin A Levinson, Nicole Bornkamp, Judith D Goldberg, Jill Buyon, H Michael Belmont
Objectives: The study aimed to determine if serum albumin at 12 months predicts long-term renal outcome at 48 months. Data from the NYU SAMPLE (Specimen and Matched Phenotype Linked Evaluation) Lupus Registry were used to compare the performance of albumin, anti-double-stranded DNA, C3/C4, proteinuria and haematuria. Methods: 82 patients with SLE with data at time of renal biopsy, at 12 months and at a second visit, and up to 48 months were included. The significance of each biomarker as a predictor of an adverse renal outcome (ARO), defined as doubling of serum creatinine, as creatinine >4 mg/dL if initial >2...
2018: Lupus Science & Medicine
https://www.readbyqxmd.com/read/30189773/the-src-homology-and-collagen-a-shca-adaptor-protein-may-participate-in-the-pathogenesis-of-membranous-lupus-nephritis
#19
W Cao, X Liu, X Xu, M Zeng, B Sun, X Yu, N Wang, H Mao, B Zhang, Y Yuan, C Xing
The Src homology and collagen A (ShcA) adaptor protein that binds to tyrosine kinase receptors. ShcA plays a role in insulin signaling, stress resistance and energy metabolism. The 66-kDa Src homology 2 domain-containing protein (p66shc) belongs to the ShcA family and has been associated with reactive oxygen species (ROS); increased ROS is involved in the pathology of lupus nephritis (LN). However, whether ShcA can act as a biomarker for oxidative injury in LN is unknown. This study is aimed to investigate the ShcA expression in kidney tissues from patients presenting with LN and the association between ShcA expression and clinical parameters...
November 2018: Lupus
https://www.readbyqxmd.com/read/30179587/precision-medicine-in-lupus-nephritis-can-biomarkers-get-us-there
#20
REVIEW
Dawn J Caster, Michael L Merchant, Jon B Klein, David W Powell
Patients with systemic lupus erythematosus frequently develop lupus nephritis (LN), a condition that can lead to end-stage kidney disease. Multiple serum and urine biomarkers for LN have been proposed in recent years, yet none have become incorporated into clinical use. The majority of studies have been single center with significant variability in cohorts, assays, and sample storage, leading to inconclusive results. It has become clear that no single biomarker is likely to be sufficient to diagnose LN, identify flares, and define the response to therapy and prognosis...
August 10, 2018: Translational Research: the Journal of Laboratory and Clinical Medicine
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