Gene/Protein Disease Symptom Drug Enzyme Compound
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 59,461 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

As with most liver diseases, the symptoms of hepatitis in dogs are nearly always aspecific: the dogs eat less, are apathetic, sometimes have polyuria/polydipsia, and sometimes have diarrhoea. Hepatoencephalopathy and ascites only occur with these symptoms in very advanced stages of chronic hepatitis. Only a part of the dogs have jaundice. Because of these aspecific symptoms, the diagnosis hepatitis is often not taken into consideration, even though the presence of a liver disease can be easily detected by measuring plasma concentrations of alkaline phosphatase and bile acids, one or both of which are elevated. The diagnosis is confirmed by histological examination of a liver biopsy sample. The most common forms of hepatitis are non-specific reactive hepatitis, acute hepatitis, and chronic hepatitis. Non-specific reactive hepatitis is a reaction against endotoxin as a result of sepsis or an increased gastrointestinal absorption. Treatment is directed to the primary process. Leptospirosis also causes non-specific reactive hepatitis, but then renal insufficiency is the most prominent feature. The diagnosis is made not on the basis of a liver biopsy but on the basis of increased IgM titres against Leptospira. Immediate treatment with antibiotics and infusions at the first signs (jaundice and uraemia) can save the animal's life. Acute hepatitis can develop as a result of infection, toxins, or liver hypoxia. There is no specific treatment, but adequate recovery often occurs with supportive treatment. Corticosteroids are contraindicated. Chronic hepatitis, which can lead to cirrhosis, is the most common form of hepatitis. It is an autoimmune inflammatory reaction that is usually caused by a virus infection but sometimes by poisoning (intoxication). Long treatment with prednisolone or azathioprine is usually successful, but early recognition of the disease increases the likelihood of success. Nowadays, chronic hepatitis due to hepatic copper accumulation in Beddlington terriers can be detected by DNA tests. Such tests make it possible to distinguish between carriers and non-carriers. Affected animals can be kept symptom-free by life-long treatment with zinc gluconate or penicillamine.
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PMID:[Hepatitis in dogs; a review]. 958 48

Despite the high rates of rejection, allograft failure, and patient death in the early years of renal transplantation, some patients have done remarkably well. Forty-three (17 living related donor and 26 cadaver donor recipients) such patients with an allograft that functioned for 19 years or more (range, 19 to 29 years) were followed up at this center. The patients included 24 men and 19 women, with a mean age at transplantation of 29 years, of whom 39 were white and four were black. At most recent follow-up, the mean daily dose of azathioprine was 104 mg (range, 50 to 175 mg) and that of prednisone was 10 mg (range, 5 to 20 mg). Mean serum creatinine level was 1.6 mg/dL (range, 0.7 to 5.4 mg/dL). Acute rejection occurred in 14 (33%) patients. Nine patients had one episode and five patients had two episodes of acute rejection. Long-term risks to the recipients appeared in the form of coronary artery disease in 10 (23%) patients; malignancy in 13 (30%) patients, which included nine patients with skin malignancy; and chronic hepatitis C virus (HCV) infection in four patients, two of whom died of complications of liver failure. Other complications included avascular bone necrosis in five patients, which required total hip replacement in two patients; hyperlipidemia requiring treatment in 16 (37%) patients; posttransplantation diabetes mellitus in 10 (23%) patients after a median of 17.5 years (range, 1 to 23 years); and hypertension in 23 (53%) patients. There were seven deaths (three of coronary artery disease, two of liver failure, one each of sepsis and malignancy) and eight graft losses (five to death with function, two to chronic rejection, and one to focal and segmental glomerulosclerosis). Although long-term allograft success results in patients receiving minimal amounts of immunosuppression and having good renal function, long-term renal transplant survivors are at risk for significant morbidity even in the third decade posttransplantation.
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PMID:Characteristics of long-term renal transplant survivors. 966 30

Vibrio vulnificus causes severe wound infections and sepsis, mostly in persons with chronic liver diseases. Survival of this organism in the whole blood collected from healthy volunteers and patients with chronic hepatitis, liver cirrhosis, and hepatoma was analyzed as an indication of susceptibility. The bacterial numbers in the blood after 5 h of incubation tended to increase with the severity of the liver disease and differed significantly between hepatoma patients and healthy volunteers (P<.05). Survival of V. vulnificus in the whole blood correlated positively with serum ferritin concentration (r=.266; P<.05) and percentage of transferrin iron saturation (r=. 200; P<.05) and correlated negatively with serum C4 concentration (r=-.198; P<.05) and phagocytosis by neutrophils (r=-.204; P<.05). Among these parameters, low phagocytosis activity (P<.01) and high ferritin level (P<.01) in the blood were the independent predictors.
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PMID:Survival of Vibrio vulnificus in whole blood from patients with chronic liver diseases: association with phagocytosis by neutrophils and serum ferritin levels. 984 54

We summarize clinical, laboratory and pathologic details regarding a patient who presented with extrahepatic disease manifestations of hepatitis C virus (HCV) infection, including cryoglobulinemic leg ulcers due to cutaneous vasculitis, peripheral sensorimotor neuropathy, and recurrent pulmonary infiltrates. The patient had evidence for B-cell lymphoproliferation, diagnosed as extranodal lymphoma on initial (though not subsequent) bone marrow examination, retroperitoneal lymphadenopathy, and the presence of a Type II IgM6 monoclonal rheumatoid factor which became cryoprecipitable on complexing to IgG. Chronic hepatitis was mild on liver biopsy, though fibrotic changes developed over a three-year period of follow-up. She had consistently normal liver function tests, except for a brief rebound effect on discontinuing interferon-alpha, and preterminally. Symptoms were only partially responsive to trials of corticosteroids, cytotoxic agents, plasmapheresis and interferon, and the patient ultimately died at The Mount Sinai Hospital of sepsis. We review current information regarding the spectrum of extrahepatic HCV infection, including pathogenic factors relevant to its overlapping autoimmune, rheumatic and lymphoproliferative disease manifestations. The exact prevalence of these HCV-related syndromes among the 1% of the world population estimated to be infected by this virus remains to be delineated. Chronicity of infection, and lack of efficacy of currently available therapy in effecting sustained clearance of the virus from the host, have made this an important public health problem that is likely to increase in significance. Possible relationships to non-Hodgkin's lymphoma may present novel opportunities to delineate the basis for oncogenesis in HCV infection.
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PMID:Hepatitis C virus, autoimmunity and lymphoproliferation. 1074 67

Our objective was to describe clinical features and predisposing factors attributed to lactic acidosis in 4 HIV-infected patients on long-term nucleoside reverse transcriptase inhibitor (NRTI) therapy. All patients had received at least 6-20 months of NRTI-containing antiretroviral therapy: all used stavudine (d4T), in one combined with lamivudine (3TC), in the other 3 with didanosine (ddI); in one hydroxyurea was added. In all, the initial symptoms were gastrointestinal (nausea and vomiting), followed by tachypnoea preceding the lactic acidosis; death followed 6-22 days after admission (liver failure and uncontrollable arrhythmias). Treatment with riboflavin was unsuccessful in one patient. The only definite risk factor in all cases was NRTI-induced mitochondrial toxicity; one patient was concomitantly treated for Kaposi's sarcoma (with bleomycin and vinblastine) and one just recovered from pneumococcal sepsis. None of the patients had a history of chronic hepatitis B virus (HBV) or hepatitis C virus (HCV) infection. In all patients, some sort of toxicity to other previously used NRTIs had occurred earlier. Lactic acidosis occurred after months of NRTI therapy in patients who had already suffered other forms of NRTI toxicity. Concomitant diseases or comedication might have aggravated the mitochondrial toxicity of the NRTIs. Screening methods to detect mitochondrial toxicity are necessary, since lactic acidosis occurs rather unexpectedly, with a rapid, fatal course.
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PMID:Clinical features and risk factors of lactic acidosis following long-term antiretroviral therapy: 4 fatal cases. 1099 8

Several reports have documented various forms of glomerular diseases in adults with myelodysplastic syndromes (MDS), but similar reports in children are lacking. We describe two children with MDS-associated steroid-responsive nephrotic syndrome (NS). Patient 1, who had MDS with myelofibrosis, presented with hepatosplenomegaly, pancytopenia, chronic hepatitis, moderate proteinuria, hypocomplementemia and elevated ANA titer. During initial prednisone treatment proteinuria markedly diminished and partial but transient hematological improvement occurred. Relapse subsequently occurred that manifested by overt NS and pancytopenia. High doses of prednisolone led to remission of the renal disease, but hematological remission did not occur. Persisting pancytopenia and repeated infections terminated in sepsis, 2 years after the onset of the MDS. Patient 2, who had refractory anemia with clonal monosomy 19, presented with bowel disease, hepatosplenomegaly, anemia and non-organ-specific autoantibodies. Prednisone led to both clinical and hematological remission. The hematologic disease relapsed 12 months later, when nephrotic-range proteinuria, hematuria and mild azotemia were also found. Corticosteroid treatment led to long-lasting renal and hematologic remission, maintained by a small dosage of prednisone. In both patients, renal biopsy findings were consistent with those seen in idiopathic NS. A Medline search disclosed 16 cases of glomerulopathy in the course of MDS in adult patients. Clinical features included NS, usually accompanied by renal insufficiency with acute, chronic, or rapidly progressive glomerulonephritis. On biopsy, membranous nephropathy, crescentic or mesangial proliferative glomerulonephritis, and AL amyloidosis were found. We conclude: (1) that glomerular disease may be present and should be searched for in patients with MDS and (2) that MDS can be added to the list of rare conditions associated with corticosteroid-responsive NS in children.
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PMID:Glomerular involvement in myelodysplastic syndromes. 1179 99

Acute serum levels of hepatocyte growth factor (HGF) were studied in 6 clinical groups with (i) gastroenteritis, (ii) skin and soft tissue infection, (iii) urinary tract infection, (iv) septicemia, (v) influenza, and (vi) chronic hepatitis C in comparison with a normal control group using an enzyme-linked immunosorbent assay method. We found that serum HGF levels were significantly higher in patients with acute infectious diseases (p < 0.0001) compared to patients with chronic viral hepatitis and healthy controls. Serum HGF and CRP levels were correlated significantly (r=0.65, p < 10(-7)). We conclude that serum HGF levels are elevated in patients with acute infectious diseases.
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PMID:High serum hepatocyte growth factor levels in the acute stage of community-acquired infectious diseases. 1192 43

In the setting of transplantation and chronic hepatitis B viral infection there is a unique histological feature termed cholestatic fibrosing hepatitis. The use of nucleoside analogues in the treatment of this condition has been successful. We describe a case of cholestatic fibrosing hepatitis, which occurred after intense immunosuppression for graft versus host disease in a patient with bone marrow transplantations. She was commenced on lamivudine therapy and showed good clinical, biochemical and virological response. However she succumbed due to sepsis.
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PMID:Cholestatic fibrosing hepatitis and hepatitis B after bone marrow transplantation. 1201 74

Patients with chronic hepatitis C frequently report tiredness, easy fatigability, and depression. The aim of this study is to determine whether hepatitis C virus (HCV) replication could be found in brain tissue in patients with hepatitis C and depression. We report two patients with recurrent hepatitis C after liver transplantation who also developed severe depression. One patient died of multiorgan failure and the other, septicemia caused by Staphylococcus aureussis. Both patients had evidence of severe hepatitis C recurrence with features of cholestatic fibrosing hepatitis. We were able to study samples of their central nervous system obtained at autopsy for evidence of HCV replication. The presence of HCV RNA-negative strand, which is the viral replicative form, was determined by strand-specific Tth-based reverse-transcriptase polymerase chain reaction. Viral sequences were compared by means of single-strand conformation polymorphism and direct sequencing. HCV RNA-negative strands were found in subcortical white matter from one patient and cerebral cortex from the other patient. HCV RNA-negative strands amplified from brain tissue differed by several nucleotide substitutions from serum consensus sequences in the 5' untranslated region. These findings support the concept of HCV neuroinvasion, and we speculate that it may provide a biological substrate to neuropsychiatric disorders observed in patients with chronic hepatitis C. The exact lineage of cells permissive for HCV replication and the possible interaction between viral replication and cerebral function that may lead to depression remain to be elucidated.
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PMID:Detection of hepatitis C virus sequences in brain tissue obtained in recurrent hepatitis C after liver transplantation. 1242 14

Hepatitis B virus (HBV)-associated glomerulonephritides have been increasingly reported, and the association between HBV and glomerulopathy is striking, especially in children. In this study, we investigated clinical and immunohistological features of HBV-associated glomerulonephritis in 14 children aged from 2.5 to 16 years (mean 10 years). The nephrotic syndrome was present in 9 (64%) and the nephritic syndrome in 8 children (57%). Five children had both nephrotic and nephritic syndrome together (35%). Renal insufficiency was determined in 4 of 14 patients (28%). Surface antigen (HBsAg) was present in all, with no history of clinically apparent hepatitis. Investigation of all renal tissue samples with light and immunofluorescence microscopy confirmed the diagnosis of membranous glomerulonephritis (MGN) in 6, membranoproliferative glomerulonephritis (MPGN) in 7, and IgA nephropathy (IgAN) in 1 child. Renal tissue samples were studied by the immunoperoxidase method for HBsAg in all cases; only in 4 children was HBsAg detected in the glomeruli. Examination of liver tissue samples was available in 4 cases, revealing chronic hepatitis in all, with additional development of cirrhosis in 1 and the presence of HBsAg in hepatocytes in all. Of the patients, 8 received corticosteroid treatment; 1 of them achieved a complete remission, while 4 had a partial remission with persistent proteinuria and hematuria. Four patients who received no treatment had a spontaneous remission within 5 months to 10 years following the onset of the renal disease. Two patients died of renal failure, while 1 died of intercurrent sepsis. The patient with IgAN received interferon-alpha 2a and lamuvidine, which resulted in a remission and a marked decrease in HBV DNA titer. The remaining 2 were lost to follow-up. Although MGN has been reported as the nephropathy most commonly associated with HBsAg antigenemia in adults, our study revealed that MPGN could occur in children as well as MGN, without any clinical or historical evidence of hepatitis. The present study provides further evidence for a causal relationship between HBV hepatitis and HBs antigenemia-related glomerulonephritides in the pediatric age group. It also indicates the prognosis (71%) of the associated nephropathies with or without treatment is quite favorable in childhood.
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PMID:Hepatitis-B virus associated nephropathies: a clinicopathological study in 14 children. 1248 86


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