Gene/Protein Disease Symptom Drug Enzyme Compound
Pivot Concepts: Gene/Protein Disease Symptom Drug Enzyme Compound   Target Concepts: Gene/Protein Disease Symptom Drug Enzyme Compound

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Query: EC:2.6.1.2 (alanine aminotransferase)
26,722 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Burns cause thermal injury to local tissue, trigger systemic inflammatory processes and activate lipid peroxidation, leading to multiple distant organ injury. Melatonin is a lipid- and water-soluble antioxidant and membrane stabilizer with antiinflammatory, hepatoprotective and gastroptotective properties, among others. We studied the influence of melatonin on hepatic damage induced by thermal skin injury and its possible relation to hepatic lipid peroxidative status and systemic inflammatory response. Under ether anesthesia the shaved dorsum of rats was exposed to a 90 degrees C bath for 10 s. Melatonin was administered intraperitoneally immediately after burns. Malondialdehyde (MDA), aspartate transaminase (AST) and alanine transaminase (ALT) were determined in liver and blood plasma and used as markers of oxidative status. Plasma C-reactive protein (CRP) was used as a marker of systemic inflammatory response. Thermal skin injury caused significant elevation of hepatic MDA by 48%, plasma CRP levels by 30% and plasma AST and ALT activities by 2- and 3.5-fold, respectively, in comparison with normal control rats. Treatment with melatonin (10 mg/kg) significantly inhibited the elevation in hepatic MDA and plasma CRP levels, reaching control values at 24 h. Melatonin treatment restricts the elevation of plasma AST and ALT activities (P < 0.001), which remain significantly increased as compared with controls. In conclusion, the protective effect of melatonin is likely to be due to attenuated lipid peroxidation and interference with reduced oxidative stress and inflammatory response, as evidenced by decreased hepatic MDA and plasma CRP levels.
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PMID:Protective effect of melatonin against oxidative hepatic injury after experimental thermal trauma. 1935 93

GYY4137 (morpholin-4-ium-4-methoxyphenyl(morpholino) phosphinodithioate) is a slow-releasing hydrogen sulfide (H(2)S) donor. Administration of GYY4137 (50 mg/kg, iv) to anesthetized rats 10 min after lipopolysaccharide (LPS; 4 mg/kg, iv) decreased the slowly developing hypotension. GYY4137 inhibited LPS-induced TNF-alpha production in rat blood and reduced the LPS-evoked rise in NF-kappaB activation, inducible nitric oxide synthase/cyclooxygenase-2 expression, and generation of PGE(2) and nitrate/nitrite in RAW 264.7 macrophages. GYY4137 (50 mg/kg, ip) administered to conscious rats 1 or 2 h after (but not 1 h before) LPS decreased the subsequent (4 h) rise in plasma proinflammatory cytokines (TNF-alpha, IL-1beta, IL-6), nitrite/nitrate, C-reactive protein, and L-selectin. GYY4137 administration also decreased the LPS-evoked increase in lung myeloperoxidase activity, increased plasma concentration of the anti-inflammatory cytokine IL-10, and decreased tissue damage as determined histologically and by measurement of plasma creatinine and alanine aminotransferase activity. Time-expired GYY4137 (50 mg/kg, ip) did not affect the LPS-induced rise in plasma TNF-alpha or lung myeloperoxidase activity. GYY4137 also decreased the LPS-mediated upregulation of liver transcription factors (NF-kappaB and STAT-3). These results suggest an anti-inflammatory effect of GYY4137. The possibility that GYY4137 and other slow-releasing H(2)S donors exert anti-inflammatory activity in other models of inflammation and in humans warrants further study.
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PMID:GYY4137, a novel hydrogen sulfide-releasing molecule, protects against endotoxic shock in the rat. 1937 98

Serum leptin has been reported to be associated in a sex-dependent manner with C-reactive protein (CRP), independently of adiposity. We tested the hypothesis that leptin is associated, independently of anthropometry indexes and in a sex-dependent way, with other inflammatory markers and variables related to metabolic syndrome (MS). In 384 healthy middle-aged adults (192 men and 192 women) total fat mass (FM), waist circumference (WC), serum leptin and 15 MS-related parameters (systolic and diastolic blood pressure, triglycerides, cholesterol, high density lipoprotein (HDL)-cholesterol, apo AI and B, fasting glucose, uric acid, CRP, orosomucoid and haptoglobin levels and aspartate aminotransferase (ASAT), alanine aminotransferase (ALAT) and gamma-glutamyl transferase (GGT) activities) were measured. After adjustment for age, alcohol and cigarette consumption, WC, and total FM, leptin concentration was significantly associated with serum triglycerides, total cholesterol, apo B, uric acid and haptoglobin concentrations and liver enzyme activity only in men, and with apo AI, HDL-cholesterol (only borderline) and CRP only in women. Sex interaction terms were significant for total cholesterol, apo B, HDL cholesterol, uric acid, ALAT and GGT, and borderline significant for triglycerides, apo AI and ASAT. In this healthy population, leptin is significantly associated with various MS factors, independently of WC and total FM, depending on gender. Our study provides further evidence of sex-related differences mediated by leptin in inflammatory mechanisms and other MS-related metabolic pathways.
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PMID:Sex-dependent associations of leptin with metabolic syndrome-related variables: the Stanislas study. 1944 26

A 9-year-old girl developing fever and hyperemia of both bulbar conjunctiva 5 days before admission to the Saitama Children's Medical Center after antibiotics proved ineffective was found on admission to have general fatigue and a temperature of 39 degrees C. Physical examination showed hyperemia of the bulbar conjunctiva, fissures of the lips, redness of the pharynx, and swelling of the cervical lymph nodes. Laboratory tests detected neutrophilia (11,200/microL), mild anemia (11.4g/dL), thrombocytopenia (110,000/microL), and elevated serum aspartate aminotransferase (242IU/L), alanine aminotransferase (328IU/L), and C-rective protein (25.2 mg/dL). Autoantibodies such as anti-nuclear, anti-SS-A/Ro, and anti-Jo-1 were also found. Echocardiography showed no abnormality of the coronary arteries. She was diagnosed as having incomplete Kawasaki disease on day 7 of illness, necessitating that a high dose of immunoglobulin be given intravenously. Her temperature dropped temporarily to 37 degrees C, but she developed erythema of the cheek and fever. Intravenous immunoglobulin was restarted, and minocycline introduced because her daily contact with a pet cat indicated richettsial infection such as Q fever. Mild fever, muscle pain, and elevated C-reactive protein did not improve, but clinical signs and symptoms gradually lessened after ibuprofen was given, then disappeared. A definitive diagnosis of Q fever was made through an over 4-fold rise in phase II IgG antibody titers against Coxiella burnetii, titer of less than 1 : 16 on day 14 of illness, and titer of 1 : 256 on day 34. This case study describes on atypical case of Q fever with clinical manifestations mimicking Kawasaki disease.
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PMID:[A case report of acute Q fever showing Kawasaki disease-like symptoms in a 9-year-old girl]. 1952 8

Heart-type fatty acid-binding protein (H-FABP) is widely distributed and has been used to diagnose certain diseases. However, its alteration during infection-evoked organ dysfunction, and the potential association between leptin and it in injury or infection has not been investigated. In the current study, serum H-FABP, leptin, C-reactive protein and interleukin-1beta in the patients with pulmonary infection-induced multiple organ dysfunction were detected. Moreover, a mouse model of sepsis was established, and serum alanine transaminase, uric acid, tissue H-FABP, myeloperoxidase, superoxide dismutase activity and histological alterations in lung and intestine were investigated. Serum H-FABP and leptin increased simultaneously and significantly in the patients, and leptin alleviated pulmonary and intestinal injuries by restraining tissue H-FABP secretions in the mouse model of sepsis. Other investigated variables showed different but independent alterations. In conclusion, H-FABP represents a useful diagnostic marker for organ dysfunction, and its association with leptin will be a novel target for emergency aid.
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PMID:Heart-type fatty acid-binding protein is a useful marker for organ dysfunction and leptin alleviates sepsis-induced organ injuries by restraining its tissue levels. 1957 9

The study aimed to determine the hazardous health effects of pesticides exposure in the factory workers by measuring plasma cholinesterase (PChE), pesticides residues, and renal and hepatic biochemical markers. In addition, we also assessed the knowledge, attitudes, and safety practices adopted by the industrial workers. The study was conducted in three different sizes of factories located in Lahore (large), Multan (medium), and Karachi (small) in Pakistan. Total 238 adult males consisting of 184 pesticide industrial workers (exposed group) from large-sized (67), medium-sized (61), small-sized (56) industrial formulation factories, and 54 controls (unexposed) were included in the study. All the participants were male of aged 18 to 58 years. PChE levels were estimated by Ellmann's method. Plasma pesticides residue analysis was performed by using reverse phase C-18 on high-performance liquid chromatograph and GC with NPD detector. Plasma alanine aminotransferase (ALT), aspartate aminotransferase (AST), creatinine, urea, and gamma glutamyltransferase (GGT) were measured on Selectra E auto analyzer. Plasma and C-reactive protein was analyzed by Immulite 1000. The results revealed a significant decrease in plasma post exposure PChE levels (<30%) as compared to baseline in the workers of small (29%) and medium (8%) industrial units (p < 0.001). Plasma cypermethrin, endosulfan, imidacloprid, thiodicarb, carbofuran, and methamidophos levels were found to be higher than allowable daily intake. Serum AST, ALT, creatinine GGT, malondialdehyde, total antioxidant, and CRP were significantly raised among the workers of small and medium pesticide formulation factories as compared to large industrial unit and controls (p < 0.001). The study demonstrated that unsafe practices among small- and medium-sized pesticides industrial workers cause significant increase in pesticide exposure, oxidative stress, and derangement of hepatic and renal function.
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PMID:Monitoring health implications of pesticide exposure in factory workers in Pakistan. 1966 82

Data on the utility of the waist-to-height ratio in detecting central obesity and related cardiovascular risk among normal weight younger adults are scant. This aspect was examined in 639 normal weight (body mass index 18.5 to 24.9 kg/m(2)) black and white adults (75% white and 36% men) 20 to 44 years old. The subjects with a waist-to-height ratio > or =0.5 were grouped as having central obesity normal weight, with the rest considered the control group. The subjects with central obesity, compared to the controls, after adjusting for age, race, and gender, had significantly greater diastolic blood pressure, mean arterial pressure, low-density lipoprotein cholesterol level, triglycerides, triglycerides/high-density lipoprotein cholesterol ratio, insulin, homeostasis model assessment of insulin resistance, uric acid, C-reactive protein, and liver function enzymes (alanine aminotransferase and gamma-glutamyl transferase). On multivariate analysis, the central obesity group compared to the control group was 1.9, 2.2, 2.9, and 2.5 times more likely to have significantly adverse levels (top tertile vs the rest) of mean arterial pressure, triglycerides/high-density lipoprotein cholesterol ratio, homeostasis model assessment of insulin resistance, and C-reactive protein, respectively. The central obesity group also had a greater prevalence of dyslipidemia, hypertension, insulin resistance, hyperuricemia, and elevated C-reactive protein. The age-, race-, and gender-adjusted mean value of the common carotid intima-media thickness, a measure of subclinical atherosclerosis, was greater in the central obesity group compared to the control group (0.76 vs 0.71 mm, p = 0.009). In conclusion, these findings underscore the utility of the waist-to-height ratio in detecting central obesity and related adverse cardiovascular risk among normal weight younger adults.
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PMID:Utility of waist-to-height ratio in detecting central obesity and related adverse cardiovascular risk profile among normal weight younger adults (from the Bogalusa Heart Study). 1969 51

Young adults with abdominal obesity are liable to have subclinical atherosclerosis that may contribute to an increased risk of cardiovascular disease later in life. This study aims to evaluate subclinical atherosclerosis and its possible correlation with some inflammatory and biochemical markers in Egyptian young adult males with abdominal obesity. The study includes 50 young adult males (age range: 19-29 years) divided into two groups. Group 1 comprises 20 non-obese subjects (controls). Group 2 comprises 30 apparently healthy obese subjects. Carotid intima media thickness (carotid-IMT) was estimated using B-mode ultrasonography of the common carotid arteries, and abdominal ultrasonography was performed to assess the presence of a fatty liver. Laboratory investigations included fasting levels of serum glucose, triglycerides (TG), cholesterol (total [TC], high-density [HDL-cholesterol] and low-density [LDL-cholesterol] lipoprotein fractions), high-sensitivity C-reactive protein (hs-CRP), neopterin, lipoprotein-a (Lp[a]), gamma glutamyl transferase (GGT), aspartate and alanine aminotransferases (AST, ALT), plasma plasminogen and fibrinogen. Results showed that carotid IMT, serum hs-CRP, neopterin, Lp(a), fibrinogen, plasminogen, TC, TG, LDL-cholesterol and liver enzymes were significantly elevated (P<0.001) in the obese group compared to controls. All obese subjects showed evidence of fatty liver. A significant positive correlation was found between carotid-IMT and body mass index, waist circumference, waist/hip ratio, cholesterol, triglycerides, neopterin, hs-CRP AST, ALT and GGT. Elevated serum levels of inflammatory biomarkers and increased ALT, AST and GGT, and non-alcoholic fatty liver disease biomarkers may be useful predictors of subclinical atherosclerosis.
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PMID:Evaluation of some markers of subclinical atherosclerosis in Egyptian young adult males with abdominal obesity. 1983 25

In the absence of existing research, we examined the association between longitudinal changes in serum gamma-glutamyltransferase (GGT) levels and the risk for metabolic syndrome (MetS). A MetS-free cohort of 9148 healthy male workers, who had participated in a health checkup program in 2002, was followed until September 2007. Metabolic syndrome was defined according to the modified National Cholesterol Education Program, using body mass index instead of waist circumference. Standard Cox proportional hazards and time-dependent Cox models were performed. During 37 663.4 person-years of follow-up, 1056 men developed MetS. The risk of incident MetS increased across the baseline GGT quartiles, even after further updating GGT values during the follow-up. A longitudinal increase in GGT as a time-dependent variable as well as a non-time-dependent variable was significantly related to MetS after adjusting for age plus the elapsed time from visit 1 to visit 2, baseline MetS traits, uric acid, regular exercise, alcohol consumption, and smoking. Even within the GGT reference interval (<40 U/L), the fourth quartile of GGT change predicted the development of MetS (adjusted hazard risk, 1.61; 95% confidence interval, 1.26-2.07). Furthermore, these associations were consistently observed within the subgroups-those with body mass index less than 23 kg/m(2), C-reactive protein less than 3.0 mg/L, homeostasis model assessment of insulin resistance less than 2.04, alcohol intake not exceeding 20 g/d, alanine aminotransferase less than 35 U/L, an absence of ultrasonographically detected fatty liver, and an absence of any MetS traits. A longitudinal increase in the GGT level, even within the GGT reference interval, may be an independent predictor for MetS, regardless of the baseline GGT.
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PMID:Longitudinal increase in gamma-glutamyltransferase within the reference interval predicts metabolic syndrome in middle-aged Korean men. 1992 66

The fatality rate of Crimean-Congo haemorrhagic fever (CCHF) disease has been reported as 5.4-80%. In this prospective study our aim was to evaluate the clinical and laboratory predictors of fatality in patients with CCHF. Among probable CCHF patients admitted to our clinic between 2005 and 2008, patients with positive IgM antibodies and/or polymerase chain reaction for CCHF virus were included in the study. To determine the predictors of fatality, we compared epidemiological, clinical and laboratory findings of the fatal cases with survivors. Ninety-three confirmed CCHF patients were included in the study; 56 (60.2%) of them were female. Mean patient age was 48.4+/-17.7 y and mean hospital stay was 7.9+/-3.0 days. Five patients died (5.4%). The rates of haemorrhage, diarrhoea and confusion were higher in fatal cases compared with non-fatal cases (p<0.05). Aspartate aminotransferase (AST), alanine aminotransferase (ALT), alkaline phosphatase, lactate dehydrogenase (LDH), and C-reactive protein levels were higher in fatal cases; the international normalized ratio (INR) and activated partial thromboplastin time (aPTT) were longer and mean platelet counts were lower (p<0.05). By multivariate analysis, diarrhoea, melena, haematemesis, haematuria, elevated ALT and LDH, and prolongation of aPTT were independent clinical and laboratory predictors associated with fatality. We suggest that for patients who have diarrhoea, melena, haematemesis, haematuria, elevated AST and LDH, and a prolonged aPTT, physicians should be aware of the high fatality risk.
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PMID:Evaluation of clinical and laboratory predictors of fatality in patients with Crimean-Congo haemorrhagic fever in a tertiary care hospital in Turkey. 2016 62


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