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VR Dharnidharka K Nadeau CL Cannon HW Harris S Rosen 《American journal of kidney diseases》1998,31(4):710-712
Acute renal failure due to ciprofloxacin has been well described. The previously reported cases have been consistent both clinically and pathologically with tubulointerstitial nephritis (TIN). We report a case of ciprofloxacin overdose leading to acute renal failure characterized by acute tubular necrosis (ATN). The outstanding features in the patient's renal biopsy were those of distal nephron apoptosis, best seen in plastic-embedded sections and electron microscopy. This report shows that the distal nephron can be singularly involved in acute renal failure and that electron microscopy or plastic-embedded sections may be necessary to define its involvement. 相似文献
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S Hariharan VR Peddi VJ Savin CP Johnson MR First AM Roza MB Adams 《American journal of kidney diseases》1998,31(6):928-931
Recurrent or de novo glomerular disease is an important cause of graft dysfunction and eventual loss. Cyclosporine A (CyA) has improved short-term renal allograft outcome but has not altered long-term graft survival. The purpose of the current study is to determine the prevalence of such disease and its impact on graft function in the CyA era. From 1984 to 1994, 1,557 renal allografts were performed at the Medical College of Wisconsin and the University of Cincinnati. Patients were followed up for an average of 7.2 years (minimum, 1 year). Recurrent disease was diagnosed by renal biopsy in 98 (6.3%) patients after an average of 36 months. Demographic characteristics of patients with and without recurrent disease were similar. Glomerulonephritis was the most common finding, occurring in 73 patients, and included focal segmental glomerulosclerosis (FSGS), 25; IgA nephropathy (IgAN), 11; membranous (MN), 11; proliferative, 11; membranoproliferative glomerulonephritis (MPGN), 10; glomerular basement membrane (anti-GBM), 3; and systemic lupus erythematosus (SLE), two. Diabetic nephropathy was present in 22, hemolytic uremic syndrome (HUS) in two, and oxalosis in one. Graft loss occurred in 60 of 98 (61%) recipients. Half-life of the allograft was diminished in patients with recurrent disease, 2,038 +/- 225 versus 3,135 +/- 385 days, P = 0.002. The actuarial allograft survival at 1, 3, 5, and 8 years posttransplantation with recurrence was 88%, 74%, 57%, and 34%, respectively; and the corresponding graft survival for patients without recurrent disease was 80%, 70%, 64%, and 53%, respectively (P = 0.003). The risk of recurrent disease increased with length of graft survival from 2.8% at 2 years to 9.8% and 18.5% at 5 and 8 years, respectively. We conclude that recurrent disease is a significant problem after renal transplantation and is associated with decreased graft survival. 相似文献
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This paper describes the induction of immunosuppression by multiple injections of Carrageenan-lambda (cgn) in BALB/C mice. While cgn alone induced non-specific suppression that persisted up to 25 days, priming with sheep red blood cells (SRBC) of mice within 10 days after cgn treatment prolonged the suppressive state. When these mice were given a secondary challenge 45 days after priming antigen (SRBC) specific suppression was observed. Thus multiple cgn treatment and priming with SRBC generated non-specific and specific suppressive states which were transferable by Thy 1+ Lyt 2+ splenocytes. Further using Indomethacin (Indo), an inhibitor of prostaglandin E2 (PGE2) synthesis, a significant reduction in the duration of suppressive state was achieved. Besides PGE2 induction, cgn treatment also prevented the augmentation of Ia+ macrophages in peritoneal exudate cells upon priming and the synthesis of thymocyte co-stimulating factor. The possible “microenvironment” created by cgn-SRBC administration that may help the induction of transferable suppression is discussed. 相似文献
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JR Jordan† S Paruthi† RO Pichardo† VR Challa‡ PD Donofrio§ JL Jorizzo† 《Journal of the European Academy of Dermatology and Venereology》2004,18(4):495-498
Dermatomyositis (DM) is an inflammatory myopathy of skeletal muscle with characteristic cutaneous findings. It is a rare disorder with a bimodal age distribution that affects almost twice as many women as men. One category of DM, normal-enzyme DM, is characterized by cutaneous changes only at baseline, normal serum muscle enzyme levels and myositis demonstrated by electromyography (EMG) and/or muscle biopsy specimens. Typically, patients with normal-enzyme DM progress to severe muscle involvement and require systemic corticosteroid therapy. The patient we report has normal-enzyme DM confirmed by serial serum enzymes, EMG, and skin and muscle biopsies but is unique in that she never experienced progression of muscle weakness although muscle involvement was documented histologically and by EMG. Follow-up examination after 1 year revealed near-complete resolution of cutaneous involvement after topical therapy and no evidence of muscle weakness. 相似文献
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Defective lymphocyte glycosidases in the macrophage activation cascade of juvenile osteopetrosis 总被引:1,自引:0,他引:1
Generation of macrophage-activating factor requires a precursor protein, Gc protein (serum vitamin D3-binding protein), as well as participation of beta-galactosidase of inflammation-primed B lymphocytes and sialidase of T lymphocytes. The treatment of human peripheral blood mononuclear cells with an inflammatory lysophospholipid induced beta-galactosidase and sialidase activity of lymphocytes, leading to the generation of macrophage-activating factor and activation of monocytes/macrophages. However, lysophospholipid treatment of peripheral blood mononuclear cells from three infantile patients with osteopetrosis resulted in no significant activation of monocytes/macrophages. The lysophospholipid-inducible beta- galactosidase activity of B lymphocytes as well as that of the sialidase of T lymphocytes was found to be defective in these patients. 相似文献