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Patients with idiopathic membranous nephropathy (IMN) can be categorized into phospholipase A2 receptor (PLA2R)-associated and non-PLA2R-associated cases, according to serum PLA2R antibody status. The present study aimed to determine whether clinical features differed between these.A total of 89 patients with IMN were retrospectively recruited for the present study. Serum PLA2R-Ab levels were determined by time-resolved fluoroimmunoassay. Furthermore, the relationship between serum PLA2R antibody levels and their responses to immunosuppressants among patients with a complete follow-up period, which was defined as at least 1 year, was analyzed.Among these enrollees, 71 (80.0%) patients were positive for serum PLA2R antibody. Furthermore, patients with PLA2R-associated IMN had significantly higher age (with vs without, 54.31 ± 14.03 vs 46.67 ± 13.30 years old; P = .04), proteinuria (4.32 ± 1.84 vs 3.29 ± 1.90 g/d, P = .039), and serum albumin (25.33 ± 9.60 vs 31.38 ± 9.52 g/L, P = .019), but had lower serum immunoglobulin G (6.83 ± 2.89 vs 8.72 ± 2.95 g/L, P = .016) and erythrocyte sedimentation rate (47.31 ± 32.11 vs 26.33 ± 27.94, P = .013), when compared to IMN patients without PLA2R. Furthermore, IMN patients without PLA2R exhibited a better response to immunosuppressants, when compared to patients with PLA2R-associated IMN (without vs with, 66.7% vs 62.5% at 6 months and 100% vs 87.5% at 12 months), but the difference was not statistically significant.Patients with PLA2R-associated IMN had higher disease severity than IMN patients without PLA2R. Furthermore, PLA2R negative patients had a better response to immunosuppressive therapies than PLA2R-positive patients, but the difference was not statistically significant.
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Diagnosis of Primary Membranous Nephropathy (PMN) is mainly based on immunofluorescence/immunohistochemistry findings, however, assessment of specific features on optical microscopy can help to estima...
Serum levels of phospholipase A2 receptor antibody (SAb) and glomerular deposits of phospholipase A2 receptor antigen (GAg) have been detected in patients with idiopathic membranous nephropathy (IMN)....
The aim of this study was to develop a new method for detecting anti-phospholipase A2 receptor-IgG4 to improve the sensitivity and specificity in the diagnosis of idiopathic membranous nephropathy (IM...
M-type phospholipase A2 receptor (PLA2R) and thrombospondin type-1 domain-containing 7A (THSD7A) have recently been identified as target antigens for patients with idiopathic membranous nephropathy (I...
: Specific single-nucleotide polymorphisms (SNPs) in the M-type phospholipase A2 receptor-1 () are associated with increased risk of idiopathic membranous nephropathy (IMN) in European populations. We...
The purpose of this study is to determine whether treatment with long-acting synthetic adrenocorticotropic hormone is in the treatment of patients with idiopathic membranous nephropathy an...
The purpose of this study is: - To explore the potential role of tacrolimus in the treatment of membranous nephropathy. - To investigate the safety and tolerability of tacrolimus v...
Idiopathic membranous nephropathy (IMN) is one of the most common forms of nephrotic syndrome (NS) in adults and is usually treated by corticosteroids in combination with cytotoxic drugs e...
Patients with idiopathic membranous nephropathy at risk for renal failure can be identified in an early stage by measuring urinary low molecular weight proteins and urinary immunoglobulin ...
The trial is a random, open, control and monocentric trial. Mainly to assess the urine protein remission rate of tacrolimus (TAC) monotherapy for idiopathic membranous nephropathy (IMN). A...
Renal syndrome in human immunodeficiency virus-infected patients characterized by nephrotic syndrome, severe proteinuria, focal and segmental glomerulosclerosis with distinctive tubular and interstitial changes, enlarged kidneys, and peculiar tubuloreticular structures. The syndrome is distinct from heroin-associated nephropathy as well as other forms of kidney disease seen in HIV-infected patients.
A group of interstitial lung diseases with no known etiology. There are several entities with varying patterns of inflammation and fibrosis. They are classified by their distinct clinical-radiological-pathological features and prognosis. They include IDIOPATHIC PULMONARY FIBROSIS; CRYPTOGENIC ORGANIZING PNEUMONIA; and others.
Blockage in any part of the URETER causing obstruction of urine flow from the kidney to the URINARY BLADDER. The obstruction may be congenital, acquired, unilateral, bilateral, complete, partial, acute, or chronic. Depending on the degree and duration of the obstruction, clinical features vary greatly such as HYDRONEPHROSIS and obstructive nephropathy.
Comparison of various psychological, sociological, or cultural factors in order to assess the similarities or diversities occurring in two or more different cultures or societies.
A dominantly-inherited ATAXIA first described in people of Azorean and Portuguese descent, and subsequently identified in Brazil, Japan, China, and Australia. This disorder is classified as one of the SPINOCEREBELLAR ATAXIAS (Type 3) and has been associated with a mutation of the MJD1 gene on chromosome 14. Clinical features include progressive ataxia, DYSARTHRIA, postural instability, nystagmus, eyelid retraction, and facial FASCICULATIONS. DYSTONIA is prominent in younger patients (referred to as Type I Machado-Joseph Disease). Type II features ataxia and ocular signs; Type III features MUSCULAR ATROPHY and a sensorimotor neuropathy; and Type IV features extrapyramidal signs combined with a sensorimotor neuropathy. (From Clin Neurosci 1995;3(1):17-22; Ann Neurol 1998 Mar;43(3):288-96)
An antibody is a protein produced by the body's immune system when it detects harmful substances, called antigens. Examples of antigens include microorganisms (such as bacteria, fungi, parasites, and viruses) and chemicals. Antibodies may be produc...