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:4.1.2.13 (aldolase)
3,461 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

A 85-year-old man was admitted with a history of right upper arm pain following trauma. Laboratory studies included an initial CPK level of 5,385 IU/liter. Other laboratory values were GOT, 114 IU/L; LDH, 701 IU/L; myoglobin, 1,100 ng/ml; aldolase, 13.8 IU/L. The patient was presumed to have have rhabdomyolysis. A 99mTc-hydroxy methylene diphosphonate (99mTc-HMDP) scan revealed an increased uptake in the right shoulder area. 99mTc-HMDP scan is a sensitive indicator of local skeletal muscle injury in rhabdomyolysis.
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PMID:[A case of unusually muscle localization of 99mTc-hydroxy methylene diphosphonate scintigraphy in a patient with acute rhabdomyolysis]. 143 83

A clinical case of idiopathic hypereosinophilic syndrome mimicking seronegative rheumatoid arthritis with a twenty year follow-up is reported. The patient showed other sign of the disease, such as pericarditis, gastroenteritis and hepatomegaly. Among the laboratory findings the elevated levels of aldolase and LDH 2, never reported previously, are stressed.
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PMID:An idiopathic hypereosinophilic syndrome mimicking seronegative rheumatoid arthritis: 20-year follow-up with clinical and laboratory findings. 155 Dec 84

Distribution of several glycolytic enzymes in the lenses of different vertebrate species and their organization in the calf lenses were studied. Though no general pattern of enzyme activities in different species is discernible, high activities of TPI followed, in decreasing order, by GAPDH, enolase, PK, LDH and aldolase appear to be more common. Our observation on the unusually high activities of aldolase in the pig, enolase in the sheep and LDH in the duck lens are interesting in view of the already known dual function of LDH as an enzyme and a structural protein (epsilon-crystallin) in duck. Controlled treatment with detergents Brij-58 and Triton X-100 caused distinctly differential purturbations in the lens cells. In spite of fiber membrane disruption and partial actin dissolution by Brij-58, no significant increase in the release of glycolytic enzymes compared to control was observed. This suggests that none of the enzymes existed as a completely soluble and freely diffusible fraction. But treatment with a strong detergent (Triton X-100) caused the release of higher amounts of enzymes suggesting either a direct or indirect interaction with the cytomatrix components. Aldolase appears to be maximally bound in the cytosol followed by TPI, GAPDH, LDH and PK in decreasing order. Although thin lens slices were incubated with the detergents for a total period of 40 min and the loss of fiber architecture and organization confirmed by light microscopy, in the Triton X-100 treated tissues less than 25% of the total activity of any enzyme except TPI appeared in the bathing medium.(ABSTRACT TRUNCATED AT 250 WORDS)
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PMID:Investigation of lens glycolytic enzymes: species distribution and interaction with supramolecular order. 155 53

The appearance of differentiated hepatocytes in the adult rat pancreas as well as pancreatic-type tissue in the adult rat liver can be experimentally induced (Reddy et al.: J. Cell Biol., 98:2082-2090, 1984; Rao et al., J. Histochem. Cytochem., 34:197-201, 1986). These observations suggest a lineage relationship between cell compartments present in rat liver and pancreas. The present data demonstrate that epithelial cell lines with almost identical phenotypes can be established from adult rat liver and pancreas. The established cell lines showed similar morphologies as established by light- and electron-microscopic studies. The cell lines showed a unique expression pattern of intermediate filament proteins. Vimentin, actin, and beta-tubulin were present in all cell lines. In addition, simple epithelial type II cytokeratins 7 and 8 were found to be coexpressed with the type I cytokeratin 14 in several of the cell lines. Neither the type I cytokeratins 18 and 19, which are the normal partners for cytokeratins 8 and 7 in filament formation, nor the type II cytokeratin 5 could be detected despite the fact that filaments were formed by both cytokeratins 8 and 14. This suggests that cytokeratin 14 acts as an indiscriminate type I cytokeratin in filament formation in the established cell lines. The cell lines expressed the same sets of LDH and aldolase isoenzymes and identical sets of glutathione transferase subunits. In addition, the epithelial cell lines from liver and pancreas were equally sensitive to the growth-inhibitory effects of TGF-beta 1. No expression of tissue- or cell-specific proteins such as alpha-fetoprotein, albumin, amylase, elastase, or gamma-glutamyl transpeptidase were detected. The almost identical phenotypes of the hepatic and pancreatic cell lines suggest that they may be derived from a common primitive epithelial cell type present in both rat liver and pancreas. In contrast to parenchymal cells, these cells have an extended capacity for proliferation in vitro and may represent a progeny from a "precursor" or "stem" cell compartment in vivo.
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PMID:Evidence for a common cell of origin for primitive epithelial cells isolated from rat liver and pancreas. 171 Feb 29

A 70-year-old man was admitted to our hospital because of fever and progressive dyspnea in December 1989. He was already diagnosed as having erythrocytosis secondary to pulmonary fibrosis 4 years previously and the values of his hematocrit (Ht) were maintained between 44.5 and 62.9% by repeated phlebotomy. Immediately after admission, severe diarrhea developed and the Ht value was 61.5%. Around 1:30 a.m. of the 3rd hospital day, he developed disturbance of consciousness. In addition, the serum levels of LDH, CPK, aldolase, and myoglobin of muscle origin increased markedly and the Ht value showed 78.5%. While the level of consciousness was gradually restored by 600 ml phlebotomy and 1,500 ml saline infusion, dysarthria and hemiplegia became evident. The Ht value early in the morning of the 3rd hospital day was reduced to 59.4%. Although cranial CT and MRI performed 74 days and 15 months, respectively, after the onset of the symptoms failed to reveal any abnormal shadow, he was clinically suspected to have cerebral infarction. These findings emphasize that abrupt increase in Ht or blood viscosity is a possible factor triggering cerebral infarction, and adequate control of Ht value is recommended for the prevention of such a condition in the aged.
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PMID:[Cerebral infarction and high serum levels of muscle-derived enzymes associated with abrupt increase in hematocrit in a patient with secondary erythrocytosis]. 175 34

Attempts at treating idiopathic cardiomyopathy have been made both clinically and experimentally using the cardiomyopathic Syrian hamster. In recent years, the angiotensin converting enzyme (ACE) inhibitor has attracted considerable attention as an agent to treat heart failure. We administered the ACE inhibitor captopril to the cardiomyopathic hamster. In this study, 15 mg/kg body weight of captopril was administered to the cardiomyopathic hamster J2N at 5 weeks of age for 10 weeks; age matched J2N hamsters were used as non-treated control animals. At the end of captopril administration, blood was collected from the ventral aorta. Serum malondialdehyde (MDA), serum CPK, aldolase and LDH were determined, and myosin isoenzyme patterns of the extirpated myocardium were compared. Additionally, ECGs were compared and the fibrotic ratio of both ventricles determined. Serum MDA, CPK, and aldolase increased significantly in the cardiomyopathic hamster, whereas these indices were significantly inhibited in the hamster treated with captopril. The pathological ECG findings and the ventricular V3 predominant myosin isoenzyme patterns of the J2N were also much improved in the captopril group. However, the improvement in these parameters by enalapril administration was less than that seen with captopril. These results suggested that the effect of captopril is not only due to decrease of the angiotensin II level, but also due to increase in tissue kinin and vasodilatory prostaglandin which play an important role in the beneficial effect of captopril.
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PMID:Protective effect of ACE- and kininase-inhibitor on the onset of cardiomyopathy. 178 64

A 25-year-old female patient with an approximate 10-year-history of slowly progressive muscle weakness was diagnosed as a manifesting carrier of Duchenne muscular dystrophy (DMD) because her muscle biopsy showed scattered fibers with no dystrophin on immunohistochemical staining. She had no family history of neuromuscular disorders. She was in good health until about 14 years of age, when she developed muscle weakness and atrophy of the extremities with slow aggravation. On admission at the age of 25 years, she had asymmetrical muscle atrophy in the lower extremities; the left femur, right femur, left crus, and right crus measured 36.0, 40.5, 31.5, and 35.5 cm in circumference, respectively. However, the muscle weakness of the extremities was symmetrical with no laterality, and the proximal muscles in the lower extremities were predominantly affected to 3+/5 MMT test. She walked with a mild wadding manner and stood up with Gower' maneuver. Deep tendon reflexes of the extremities were almost normoactive with no pathologic reflexes. As to laboratory findings, serum enzymes of muscular origin were elevated; GOT was 44 IU/l, GPT 60 IU/l, LDH 829 IU/l, CK 4238 IU/l, and aldolase 31 SL units. The electromyogram showed myopathic changes mixed with some neurogenic components. Peripheral nerve conduction velocity was normal. A computed tomography of the skeletal muscles showed more marked atrophy and lower density in the left lower extremity than in the right. The biopsied left gastrocnemius muscle demonstrated a marked variation in fiber size with some necrotic and regenerating fibers. On immunohistochemical stain with anti-dystrophin antibody, the dystrophin negative fibers were scattered among positive fibers in a mosaic distribution.
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PMID:[A manifesting carrier of Duchenne muscular dystrophy presenting mosaic distribution of dystrophin negative and positive muscle fibers]. 218 62

In thalassemia major (TM) one third of patients suffers from muscle wasting, weakness and cramps. Six patients with TM were studied. All had muscle wasting and proximal weakness; serum levels of vitamin E were low (0.6-7.0 micrograms/dl) while CPK, LDH and aldolase were normal. EMG revealed low-amplitude short-duration polyphasic potentials in 3 patients and normal activity in 3 others. Nerve conduction velocities were normal in 3 patients studied. On muscle biopsies, moderate variation in fiber size with fiber atrophy and preponderance of type 1 fibers were discovered. Our findings confirm the existence of nonspecific myopathic changes in TM. Chronic vitamin E deficiency should be considered in the pathogenesis of the myopathy in TM.
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PMID:Myopathological findings in thalassemia major. 228 8

We have studied the effect of T3 administration (50 micrograms/Kg/day) on the phenotype expression of several glucose-metabolizing enzymes (hexokinase, HK, glucose-6-phosphate dehydrogenase, G6P-DH, aldolase, ALD, phosphofructokinase, PFK, lactate dehydrogenase, LDH) in the different myocardial layers of the left ventricle wall. In the control rats, most of these enzyme activities are uniformly distributed across the left ventricle wall, G6P-DH being the only exception. In the rats given T3 for 14 days, the mean levels of PFK, HK and ALD activities increased significantly. With regard to the transmural distribution patterns, that of PFK was unchanged, unlike those of HK and ALD which exhibited their maximum increase in activity in the midmyocardium or in the mid- and subepicardial myocardium. With LDH, a significant increase in activity was found in the subepicardial layers which escaped detection on the whole homogenate. It is concluded that the administration of thyroid hormone has different effects on enzyme phenotype expression of cardiomyocytes in different regions of the cardiac wall.
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PMID:Regional differences in the response of cardiac cells to triiodothyronine administration across the left ventricle free wall of rat heart. 231 6

Adult acid maltase deficiency (AMD, glycogen storage disease type II) may involve respiratory muscles leading to severe respiratory failure even before the affection of pelvic girdle muscles has turned the patient non-ambulatory. The case of a 29-year-old woman is presented to demonstrate that long-term survival is possible even after acute respiratory failure has occurred. The examination of the patient's family revealed the diagnosis of AMD in her 24-year-old sister, so far without clinical symptoms. The comparison between the two patients of serum enzyme elevations (CK, LDH, GOT, GPT, aldolase) suggested that both physical activity and the stage of the disease may be correlated with the degree of enzyme level elevation.
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PMID:[Clinical follow-up in the adult (myopathic) form of glycogenosis type II]. 242 22


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