Gene/Protein Disease Symptom Drug Enzyme Compound
Pivot Concepts:   Target Concepts:
Query: UMLS:C0015695 (fatty liver)
 13,941 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

A 24-year-old, nulliparous woman in her 30th week of pregnancy was admitted due to threatened premature delivery. Ritodrin chloride relieved the premature contraction of the uterus but jaundice and drowsiness appeared 7 weeks later. Laboratory data revealed disseminated intravascular coagulation (DIC) with intrahepatic cholestasis, and ultrasound examination showed fatty liver. The patient was diagnosed with acute fatty liver of pregnancy (AFLP). Emergency delivery by Caesarean section was performed at 37 weeks of pregnancy and the liver function and DIC improved immediately. Liver biopsy 13 days after delivery showed nuclear swelling and cytoplasmic ballooning with mild fatty deposition. These findings were relatively compatible with acute AFLP. Higher magnification and electron microscopy revealed intracytoplasmic bacteria and fungus in the residual stage. The bacterial infection could be considered related to AFLP.
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PMID:Acute fatty liver of pregnancy showing microbial infection in the liver. 1119 91

Pyomyositis is an acute bacterial infection manifesting as pyemic abscess formation in the skeletal muscles. We examined 8 autopsy cases (seven males, one female; age range 21-75 years) of fatal nontropical pyomyositis to better describe individual case characteristics and pathologic features of this rare disease. The pathogen most frequently involved was Staphylococcus aureus. In most cases, there were several abscesses and multiple sites involved. The trunk, shoulder girdle, and thigh muscles were most frequently affected and involvement of multiple sites was a common finding. In 6 cases, a recent trauma had occurred to the anatomic location where the pyemic abscesses were found. Three deceased were known as intravenous drug abusers. Except for the presence of pyomyositis, liver diseases such as cirrhosis in 3 cases, and a fatty liver in 2 cases were the most frequent autopsy findings. Death was due to sepsis in all cases. Because pyomyositis may develop in association with intravenous catheterization in the clinical setting, the question whether pyomyositis was caused by an infected or improperly placed indwelling intravenous catheter may be of forensic importance in the light of alleged medical malpractice. According to our observations, severe underlying illnesses seem not always necessary for fatal outcome of pyomyositis. Because a detailed dissection of superficial as well as deep skeletal muscles during autopsy is a prerequisite for the diagnosis, the disease may be overlooked when this essential step is not performed.
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PMID:Fatal pyomyositis: a report of 8 autopsy cases. 1852 Apr 79

Endogenous cannabinoids (EC) are ubiquitous lipid signalling molecules providing different central and peripheral effects that are mediated mostly by the specific receptors CB1 and CB2. The EC system is highly upregulated during chronic liver disease and consistent experimental and clinical findings indicate that it plays a role in the pathogenesis of liver fibrosis and fatty liver disease associated with obesity, alcohol abuse and hepatitis C. Furthermore, a considerable number of studies have shown that EC and their receptors contribute to the pathogenesis of the cardio-circulatory disturbances occurring in advanced cirrhosis, such as portal hypertension, hyperdynamic circulatory syndrome and cirrhotic cardiomyopathy. More recently, the EC system has been implicated in the development of ascites, hepatic encephalopathy and the inflammatory response related to bacterial infection. Rimonabant, a selective CB1 antagonist, was the first drug acting on the EC system approved for the treatment of obesity. Unfortunately, it has been withdrawn from the market because of its neuropsychiatric side effects. Compounds able to target selectively the peripheral CB1 receptors are under evaluation. In addition, molecules stimulating CB2 receptor or modulating the activity of enzymes implicated in EC metabolism are promising areas of pharmacological research. Liver cirrhosis and the related complications represent an important target for the clinical application of these compounds.
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PMID:The endocannabinoid system in advanced liver cirrhosis: pathophysiological implication and future perspectives. 2389 Feb 8

Increasing evidence indicates that periodontitis affects non-alcoholic fatty liver disease (NAFLD). We examined the relationship between periodontal bacterial infection and clinical/biochemical parameters in 52 NAFLD patients. Anti-Aggregatibacter actinomycetemcomitans (Aa) antibody titers correlated positively with visceral fat, fasting plasma insulin, and HOMA-IR; and negatively with the liver/spleen ratio. C57BL/6J mice (8-weeks-old) were given Aa or saline (control) for 6 weeks, and were fed either normal chow (NCAa, NCco) or high-fat diet (HFAa and HFco). NCAa and HFAa mice presented impaired glucose tolerance and insulin resistance compared to control mice. HFAa mice showed higher hepatic steatosis than HFco animals. Liver microarray analysis revealed that 266 genes were differentially expressed between NCAa and NCco mice. Upregulated genes in Aa-administrated mice were enriched for glucagon signaling pathway, adipocytokine signaling pathway and insulin resistance. Consistently, plasma glucagon concentration was higher in NCAa mice. In addition, Akt phosphorylation was lower in the liver of NCAa/HFAa than in NCco/HFco mice. Based on 16S rRNA sequencing, Aa administration changed composition of the gut microbiota. Metagenome prediction in gut microbiota showed upregulation of fatty acid biosynthesis and downregulation of fatty acid degradation in Aa-administered mice. Thus, infection with Aa affects NAFLD by altering the gut microbiota and glucose metabolism.
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PMID:Periodontal pathogenic bacteria, Aggregatibacter actinomycetemcomitans affect non-alcoholic fatty liver disease by altering gut microbiota and glucose metabolism. 2953 Dec 78

Inositol pyrophosphates (IPPs) are present in organisms ranging from plants, slime moulds and fungi to mammals. Distinct classes of kinases generate different forms of energetic diphosphate-containing IPPs from inositol phosphates (IPs). Conversely, polyphosphate phosphohydrolase enzymes dephosphorylate IPPs to regenerate the respective IPs. IPPs and/or their metabolizing enzymes regulate various cell biological processes by modulating many proteins via diverse mechanisms. In the last decade, extensive research has been conducted in mammalian systems, particularly in knockout mouse models of relevant enzymes. Results obtained from these studies suggest impacts of the IPP pathway on organ development, especially of brain and testis. Conversely, deletion of specific enzymes in the pathway protects mice from various diseases such as diet-induced obesity (DIO), type-2 diabetes (T2D), fatty liver, bacterial infection, thromboembolism, cancer metastasis and aging. Furthermore, pharmacological inhibition of the same class of enzymes in mice validates the therapeutic importance of this pathway in cardio-metabolic diseases. This review critically analyses these findings and summarizes the significance of the IPP pathway in mammalian health and diseases. It also evaluates benefits and risks of targeting this pathway in disease therapies. Finally, future directions of mammalian IPP research are discussed.
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PMID:The inositol pyrophosphate pathway in health and diseases. 2928 38

Gingival bleeding is a common intraoral finding, typically associated with inflamed tissues and periodontal disease. It is easily provoked by periodontal probing or toothbrushing. Spontaneous gingival bleeding rarely occurs and may be the only sign of systemic bleeding problems such as thrombocytopenia, leukaemia or coagulopathy. In pregnancy, acute onset of thrombocytopenia may occur in systemic disorders such as severe pre-eclampsia, HELLP syndrome (haemolysis, elevated liver enzymes, low platelets) or the acute fatty liver of pregnancy. The diagnosis and management of such conditions may challenge physicians. It requires a systematic approach with a comprehensive history to exclude causes of gingival haemorrhage such as periodontal disease, anticoagulant therapy, maxillofacial trauma, haematological disorders or a bacterial infection. The authors describe a case of immune thrombocytopenic purpura presenting with spontaneous gingival haemorrhage in pregnancy. This case highlights the fact that medical intervention to correct the underlying aberration of haemostasis is necessary for local measures to stop the gingival bleeding successfully.
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PMID:Immune thrombocytopenic purpura presenting with spontaneous gingival haemorrhage in pregnancy. 3065 3