Gene/Protein Disease Symptom Drug Enzyme Compound
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Eosinophilic cystitis (EC) is a rare clinicopathological condition characterized by transmural inflammation of the bladder predominantly with eosinophils, associated with fibrosis with or without muscle necrosis. The cause of EC remains unclear, although it has been associated with various aetiological factors, such as allergy, bladder tumour, bladder trauma, parasitic infections and chemotherapeutic agents. EC is, probably, caused by the antigen-antibody reaction. This leads to the production of various immunoglobulins, which, in turn, cause the activation of eosinophils and initiates the inflammatory process. The most common symptom complex consists of frequency, haematuria, dysuria and suprapubic pain. Cystoscopy and biopsy are the gold standard for diagnosis. Additional laboratory evidence supporting the diagnosis includes proteinuria, microscopic haematuria and peripheral eosinophilia, the last one occurring in few patients. There is no curative treatment for this condition. Current treatment modalities include transurethral resection of the bladder lesion along with non-specific medical therapy, such as non-steroidal anti-inflammatory agents or steroids. Because the lesion tends to recur in spite of the above therapy, long-term follow-up is mandatory.
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PMID:Eosinophilic cystitis and its management. 1585 36

We report a case of biopsy-proven acute interstitial nephritis (AIN) in a 50-year-old diabetic woman, who had been treated with celecoxib for 4 weeks before presentation. She presented with clinical findings of renal proximal tubulopathy, aseptic leukocyturia and acute renal failure. A kidney biopsy specimen showed AIN with intense tubuli and eosinophilic infiltrate in the interstitium. She recovered normal renal function two weeks after cessation of celecoxib and use of a corticosteroid. A review of the literature yielded eight cases of COX-2 inhibitor-associated AIN with a biopsy-proven diagnosis. Among the reported cases, AIN was diagnosed after an average of 8.3 months of therapy (SD 12 months, range 3 days - 3 years) with 25 mg rofecoxib or 200 mg celecoxib daily. Common symptoms included asthenia, anorexia, nausea and vomiting. The classic triad of fever, rash and eosinophilia was uncommon. Typical laboratory features included hematuria, proteinuria, eosinophilia. Renal failure was common at the time of diagnosis. Mean serum creatinine levels were 0.86 +/- 0.11 mg/dl, 5.66 +/- 3.50 mg/dl and 1.15 +/- 0.24 before treatment, at time of diagnosis and 1 - 2 months after COX-2 inhibitor withdrawal, respectively. Three patients required emergency hemodialysis. After cessation of COX-2 inhibitor treatment, patients recovered completely with a normalized serum creatinine level after one to two months. Management consisted of withdrawal of the COX-2 inhibitor drug and in four patients, corticosteroid therapy was well-tolerated and may have been beneficial.
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PMID:COX-2 inhibitors and acute interstitial nephritis: case report and review of the literature. 1590 99

We report a 22 years old male with chronic allergic rhinitis, who presented with asthma, prolonged fever, eosinophilia, cutaneous vasculitis, subcutaneous nodules, polyarthritis, ulcers in the nasal mucosa and external auditory canal, hematuria, proteinuria, renal failure, severe hypertension, pulmonary infiltrates and mesenteric ischemia with a perforation of the sigmoid colon. Arteriography showed multiple aneurysmae of intrarenal arteries and a skin biopsy showed a leukocytoclastic vasculitis. A diagnosis of Churg-Strauss syndrome was made. He was initially treated with steroids and cyclophosphamide but abandoned therapy. Eighteen years after the onset of the disease, he required hemodialysis. Eight months after being on dialysis, he suffered a reactivation of the disease with lung hemorrhage and finally died, due to an upper gastrointestinal bleeding caused by a duodenal ulcer.
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PMID:[Late reactivation of Churg-Strauss syndrome]. 1653 66

Lymphoplasmacytic sclerosing pancreatitis ("autoimmune" pancreatitis) is the best-known manifestation of an unusual corticosteroid-sensitive systemic fibrosclerotic disease that is associated with high plasma immunoglobulin G4 (IgG4) and tissue infiltration with IgG4-secreting plasma cells. Pancreatic and biliary manifestations of this condition are well-reported, but reports of other systemic involvement are few. We report here a case of initially unrecognized autoimmune pancreatitis followed 5 years later by a focal sclerosing lymphoplasmacytic tubulointerstitial nephritis and concurrent membranous nephropathy. The patient presented with hypertension, a raised serum creatinine, proteinuria, elevated serum IgG4, and eosinophilia. Immunolabeling of renal tissue showed numerous IgG4 positive plasma cells with peritubular and glomerular subepithelial IgG4 deposition. On steroid therapy serum IgG4 levels normalized, the eosinophilia resolved, and there was improvement in symptomatic wheeze, dry eyes, serum creatinine, and liver function tests. This case highlights a distinctive and potentially treatable form of interstitial nephritis manifesting from a systemic immune disorder, and provides circumstantial evidence to support the notion that dysregulated IgG4 can precipitate the development of a form of membranous nephropathy.
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PMID:Nephropathy in IgG4-related systemic disease. 1706 91

Kimura disease (KD) is an angiolymphoid proliferative disorder of unknown etiology, occurs mainly in Asian patients, presenting with subcutaneous slowly growing masses, with a predilection for preauricular and submandibular regions. The clinical course of the disease is thought to be benign. Concomitant peripheral blood eosinophilia and elevated serum immunoglobulin E levels are often observed. Main systemic manifestation of the KD is renal involvement. Renal abnormalities, notably proteinuria and nephrotic syndrome have been found to be associated with KD. We report a 42-year-old man with KD and a steroid-sensitive membraneous nephrotic syndrome with bilaterally temporal artery and renal vein thrombosis. This is the first reported case of KD associated nephrotic syndrome complicated with wide arterial and venous thrombosis from Anatolia.
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PMID:Thrombosis of temporal artery and renal vein in Kimura-disease-related nephrotic syndrome. 1806 1

A 55 years old lady with advanced rheumatoid arthritis (RA) presented with severe acute renal failure with significant proteinuria preceded by fever for 14 days. She had no history of taking drugs usually responsible for glomerulonephritis, neither had she any clinico-biochemical evidence of peri-infectious glomerulonephritis. Acute interstitial nephritis (AIN) was excluded by absence of eosinophilia and eosinophils in urine. Renal biopsy reveled absence of amyloidosis and showed Focal segmental proliferative glomerulonephritis (FSGN). Patient was successfully managed with methyl-prednisolone followed by steroid and immunosuppressive and patient came over renal failure. So FSGN should be considered as one of the causes of acute renal failure in a patient with seronegative RA which may respond to immune-therapy like rapidly progressive glomerulonephritis.
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PMID:Proliferative glomerulonephritis with acute renal failure-a rare manifestation in seronegative rheumatoid arthritis. 1918 57

Clinical manifestations of extralymphatic disease caused by filariasis are varied and range from symptoms due to tropical pulmonary eosinophilia to hematuria, proteinuria, splenomegaly, and rarely arthritis. Disseminated microfilaremia in association with loculated lung cyst and empyema is of rare occurrence and to the best of our knowledge has not been documented in the literature so far. We report here a case of disseminated microfilaremia due to Wuchereria bancrofti infection accompanied by a lung cyst and empyema in a 21-year-old Indian man.
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PMID:Disseminated microfilaremia associated with lung cyst and empyema: an autopsy report. 1929 91

We report the case of a 59-year-old woman who presented with a persistent papular and nodular cutaneous eruption and new-onset asthma, with normal renal function but persistent haematuria and proteinuria. Investigations revealed eosinophilia, both antineutrophil cytoplasmic antibodies and antiglomerular basement membrane antibodies on serological testing (double-positive vasculitis), and a focal necrotizing glomerulonephritis on renal biopsy. Histological examination of a skin biopsy showed a dense neutrophilic infiltrate with focal fibrinoid necrosis and few eosinophils. The clinical and pathological features suggested a double-positive vasculitis/Churg-Strauss overlap syndrome presenting with a predominantly neutrophilic dermatosis. Specific cutaneous features in patients with double-positive vasculitis have not been documented previously. The patient has responded extremely well to immunosuppressive treatment and her disease is currently in remission.
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PMID:An atypical cutaneous presentation of vasculitis with features of Churg-Strauss syndrome, associated with anti-neutrophil cytoplasmic antibodies and anti-glomerular basement membrane antibodies. 1955 32

Renal involvement in Churg-Strauss syndrome (CSS) is not uncommon, but nephrotic syndrome is rarely reported in patients with CSS. A 25-year-old woman with a long history of bronchial asthma presented to our hospital with a chief complaint of generalized edema. Laboratory studies revealed normocytic normochromic anemia, marked eosinophilia, positive anti-neutrophil cytoplasmic antibody, hypoalbuminemia, and hypercholesterolemia. Urinalysis showed heavy proteinuria (4+) without significant casts. The 24-hour urinary protein excretion was 6.5 g with a selective index of 0.35. Echocardiography and X-ray of the paranasal sinuses suggested restrictive cardiomyopathy and maxillary sinusitis, respectively. Diagnoses of CSS and nephrotic syndrome were made on the basis of clinical and laboratory findings. Renal biopsy was performed, and pathologic findings revealed focal segmental glomerulosclerosis with mesangiolysis. The patient's clinical symptoms and proteinuria improved markedly after combined treatment with corticosteroids and cyclophosphamide. Herein, we report a case of nephrotic syndrome in a patient with CSS.
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PMID:A case of nephrotic syndrome in a patient with Churg-Strauss syndrome. 1969 37

A 23-year-old man was admitted to our hospital for fatigue, anorexia, proteinuria, and peripheral edema. Proteinuria was first pointed out at the age of 15, but no further studies were performed. Six years prior to admission, the patient noted becoming easily fatigued. Laboratory tests on admission showed marked peripheral eosinophilia (29.2%, count: 1,071/microL) and proteinuria. Endocrinological studies revealed isolated adrenocorticotropic hormone deficiency with primary hypothyroidism, but a lack of autoimmune thyroiditis. Renal biopsy showed focal segmental glomerulosclerosis. Hydrocortisone therapy (30 mg/day) for isolated adrenocorticotropic hormone deficiency resulted in marked improvement of adrenal and thyroid functions, and amelioration of proteinuria (from 2.8 to 1.0 g/day) over a two-month period. Renal function remains normal at five years after the start of hydrocortisone treatment. The findings suggest that both hydrocortisone therapy and normalized thyroid hormone status played a pivotal role in the improvement of proteinuria associated with focal segmental glomerulosclerosis.
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PMID:Focal segmental glomerulosclerosis in a patient with isolated ACTH deficiency and reversible hypothyroidism. 1980 85


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