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Query: UNIPROT:Q9UIJ5 (
Rec
)
58,342
document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)
Obese donkeys are susceptible to a hyperlipaemic crisis characterised by high plasma triglyceride concentrations. In this study, the relationships between the body condition of 24 donkeys and their basal lipid metabolism were investigated. Plasma cholesterol, triglyceride and lipoprotein cholesterol concentrations were measured in healthy donkeys classified according to their body condition as thin, ideal or obese. There were significant differences between the groups in the concentrations of triglyceride and very low density lipoprotein (VLDL), which increased in concentration with body condition (P less than 0.05).
Cholesterol
, low density lipoprotein (LDL) and high density lipoprotein (HDL) concentrations were similar in all the groups. Triglyceride and VLDL concentrations were positively correlated with body weight (r = 0.82) and plasma free fatty acid concentration (r = 0.48). There were no significant differences in basal plasma concentrations of insulin or cortisol. These results suggest that obesity in donkeys is associated with changes in lipid and lipoprotein metabolism that might predispose the animals to hyperlipaemia.
Vet
Rec
1990 Nov 17
PMID:An investigation of the relationships between body condition and plasma lipid and lipoprotein concentrations in 24 donkeys. 227 89
The effects of Nafenopin, a hypolipidemic drug, on the zona fasciculata of the rat adrenal cortex were investigated by biochemical, stereological, and cytochemical methods. Chronic Nafenopin treatment (5 days) significantly lowered serum cholesterol level, while it did not alter blood corticosterone concentration and 11beta-hydroxylase activity of adrenocortical cells. Stereology showed a significant increase in the average volume of zona fasciculata cells, which was almost exclusively due to smooth endoplasmic reticulum (SER) proliferation. The volume of lipid compartment was significantly reduced, whereas the volume of diaminobenzidine (DAB)-positive bodies (peroxisomes) per cell displayed a marked increase.
Cholesterol
administration per os to the treated animals raised the serum cholesterol level and completely reversed the Nafenopin effects. One day of Nafenopin administration provoked a slight but significant lipid depletion in adrenocortical cells, while 3 days of continuous drug treatment induced an extreme lipid depletion and a moderate increase in the SER coupled with a significant decrease in the plasma concentration of corticosterone. Since microsomal fraction and catalase seem to be involved in the cholesterol metabolism and utilization, the hypothesis is advanced that the Nafenopin-elicited SER and peroxisome proliferation is a compensatory response enabling adrenocortical cells to maintain an adequate level of hormonal output.
Anat
Rec
1982 Nov
PMID:Effects of the hypolipidemic drug nafenopin on the zona fasciculata of the rat adrenal cortex: a correlated biochemical and stereological study. 715 28
Rats bearing adrenocortical carcinoma 494 were injected daily for 7, 14, or 21 days with aminoglutethimide (AG) or o,p'-DDD. Reversibility of these steroidogenic inhibitors was determined by injecting other animals for either 14 or 21 days and sacrificing them 14 days later. While the drugs had little effect on body or tumor growth, plasma corticosterone levels were reduced a maximum of 88% in normal and 95% in tumor-bearing rats during AG chemotherapy. These levels were unaltered in normal rats by o,p'-DDD and reduced a maximum of 64% in tumor-bearing animals. Relative adrenal weights generally increased during chemotherapy and then returned to control levels. These changes were mainly due to alterations in the lipid and mitochondrial volume fractions. Lipid increased with both drugs while mitochondria increased with o,p'-DDD and decreased with AG.
Cholesterol
ester levels paralleled the lipid stereology more closely with AG than o,p'-DDD. With both drugs the most notable changes in tumor fine structure was a decrease in mitochondrial internal membranous vesicles and matrical density. Adrenal mitochondria had the irregular, elongated forms characteristic of tumor-bearing animals and were vacuolated (AG) or had internal rings (o,p'-DDD). The large lipid droplets observed during chemotherapy with both drugs were replaced by numerous small droplets in recovery periods.
Anat
Rec
1980 Sep
PMID:Fine structural and biochemical effects of aminoglutethimide and o,p'-DDD on rat adrenocortical carcinoma 494 and adrenals. 745 28
This study reports the clinical, clinicopathological and ultrasonographic findings from dogs with chronic pancreatitis (CP). Fourteen dogs with clinical signs consistent with CP and histological confirmation of the disease were evaluated. Abdominal ultrasound and clinical pathology results were recorded. Sensitivities of pancreatic enzymes for diagnosis of CP were calculated with two different cut-off values. The mean age of affected dogs was 9.1 years. Spaniels were the most common breed with CP, representing seven of the 14 dogs in this study. CP was histologically severe in nine cases. Most dogs showed chronic low-grade gastrointestinal signs and abdominal pain. Five dogs had exocrine pancreatic insufficiency and five dogs had diabetes mellitus. The sensitivity of elevated trypsin-like immunoreactivity for CP was 17 per cent. The sensitivities of canine pancreatic lipase immunoreactivity, lipase and amylase for CP were 44 to 67 per cent or 14 to 28 per cent depending on the cut-off value used.
Cholesterol
was elevated in 58 per cent of samples. Liver enzymes were often elevated. The pancreas appeared abnormal on 56 per cent of ultrasound examinations. Ten dogs had died by the end of the study period; only one case was due to CP.
Vet
Rec
2010 Dec 18
PMID:Observational study of 14 cases of chronic pancreatitis in dogs. 2126 13