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Retroviral-mediated gene transfer corrects very-long-chain fatty acid metabolism in adrenoleukodystrophy fibroblasts. 总被引:9,自引:1,他引:9
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N Cartier J Lopez P Moullier F Rocchiccioli M O Rolland P Jorge J Mosser J L Mandel P F Bougnères O Danos et al. 《Proceedings of the National Academy of Sciences of the United States of America》1995,92(5):1674-1678
Adrenoleukodystrophy (ALD), a lethal demyelinating disease of the brain, is caused by mutations of a gene encoding an ATP-binding transporter, called ALDP, localized in the peroxisomal membrane. It is associated with a defective oxidation of very-long-chain fatty acids, leading to their accumulation in many tissues. This study reports that the retroviral-mediated transfer of the ALD cDNA restored very-long-chain fatty acid oxidation in ALD fibroblasts in vitro following abundant expression and appropriate targeting of the vector-encoded ALDP in peroxisomes. The same method may be used in hematopoietic cells as a further step of a gene therapy approach of ALD. 相似文献
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Deficiency of long-chain 3-hydroxyacyl-CoA dehydrogenase: a cause of lethal myopathy and cardiomyopathy in early childhood 总被引:9,自引:0,他引:9
F Rocchiccioli R J Wanders P Aubourg C Vianey-Liaud L Ijlst M Fabre N Cartier P F Bougneres 《Pediatric research》1990,28(6):657-662
A child presented in early childhood with episodes of coma and hypoglycemia and a rapidly evolutive myopathy and cardiomyopathy leading to death at 9 mo of age. Ketosis was decreased (blood beta-hydroxybutyrate: 0.07 mmol/L) despite normal plasma levels of fatty acids (0.81 mmol/L). The patient's urine contained excessive amounts of the C6 to C10 dicarboxylic acids present in almost all defects of fatty acid mitochondrial oxidation. More specifically, gas chromatography-mass spectrometry identified an accumulation of medium- and long-chain (C8 to C14) 3-hydroxy-dicarboxylic acids, suggesting a defect of the mitochondrial enzyme that normally dehydrogenates these 3-hydroxyacyl-CoA esters. Biochemical studies in the patient's cultured fibroblasts confirmed the impairment of medium- and long-chain fatty acid oxidation, and allowed the recognition of the deficiency of long-chain 3-hydroxyacyl-CoA dehydrogenase. The activities of long-, medium-, and short-chain acyl-CoA dehydrogenases and 3-ketoacyl-CoA thiolase were normal. These results describe a disorder of fatty acid metabolism that affects the liver, skeletal muscles, and myocardium. It is important to point out that long-chain 3-hydroxyacyl-CoA deficiency shares many clinical similarities with systemic carnitine deficiency, as well as with carnitine-palmityl-CoA transferase and long-chain acyl-CoA dehydrogenase deficiencies. The differential diagnosis of this disease relies on the demonstration of long-chain urinary dicarboxylic acids with a hydroxyl group in 3-position and the study of the enzyme activity in cultured fibroblasts. 相似文献
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Immediate prenatal diagnosis of Zellweger syndrome by direct measurement of very long chain fatty acids in chorionic villus cells 总被引:1,自引:0,他引:1
We report a gas chromatographic-mass spectrometric method which allows the very long chain fatty acids content of trophoblastic tissue to be directly measured in samples collected by biopsy between 8 and 11 weeks of gestation. This method has been successfully applied to the detection of fetal Zellweger syndrome in two pregnant women who had previously delivered affected infants. In one of them, increased concentrations of C26:0 (0.254 versus 0.108 +/- 0.035 microgram/mg proteins) and C24:0 (1.32 versus 0.815 +/- 0.325 microgram/mg proteins) in trophoblast indicated that the fetus had Zellweger syndrome, a diagnosis confirmed by pathological findings after abortion. In the second case, the pregnancy was allowed to proceed, on the basis of normal concentrations of very long chain fatty acids in trophoblastic tissue, and its outcome was actually a healthy newborn. 相似文献
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Barbara Costa Agostina Francesca Grillone Alessandra Salvetti Silvia Rocchiccioli Paola Iacopetti Simona Daniele Eleonora Da Pozzo Pietro Campiglia Ettore Novellino Claudia Martini Leonardo Rossi 《Drug testing and analysis》2013,5(7):596-601
Targeting the interaction of p53 with its natural inhibitor MDM2 by the use of small synthetic molecules has emerged as a promising pharmacological approach to restore p53 oncosuppressor function in cancers retaining wild‐type p53. The first critical step in the experimental validation of newly synthesized small molecules developed to inhibit MDM2‐p53 interaction is represented by the evaluation of their efficacy in preventing the formation of the MDM2‐p53 complex. This can be achieved using the in vitro reconstructed recombinant MDM2‐p53 complex in cell‐free assays. A number of possible approaches have been proposed, which are however not suitable for screening large chemical libraries, due to the high costs of reagents and instrumentations, or the need of large amounts of highly pure recombinant proteins. Here we describe a rapid and cheap method for high‐throughput screening of putative inhibitors of MDM2‐p53 complex formation – based on the use of GST‐recombinant proteins – that does not require antibodies and recombinant protein purification steps from bacterial cell lysates. Copyright © 2013 John Wiley & Sons, Ltd. 相似文献
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Neurological deterioration and lactic acidemia in biotinidase deficiency. A treatable condition mimicking Leigh's disease 总被引:2,自引:0,他引:2
G Mitchell H Ogier A Munnich J M Saudubray J Shirrer C Charpentier F Rocchiccioli 《Neuropediatrics》1986,17(3):129-131
A six-month-old girl with chronic lactic acidosis and neurological deterioration is described, who underwent a sudden severe decompensation during her initial neurological investigations. She responded dramatically to biotin therapy. The diagnosis of late onset multiple carboxylase deficiency due to biotinidase deficiency was confirmed. This entity should be considered in the differential diagnosis of hyperlactacidemic encephalopathies. 相似文献
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A 55-year-old man was admitted for treatment of unstable angina. Chest x-ray films showed a micronodular pattern, but there were no respiratory symptoms. Autopsy, carried out following sudden death, revealed pulmonary granulomas surrounding lipid crystals. The same crystals were found elsewhere: lymph nodes, spleen, liver, adrenal glands, and were composed of aliphatic hydrocarbons of vegetal origin, mainly C29H60. Investigation of the case history revealed excessive consumption of apples, to which the hydrocarbon deposition could be attributed, since C29H60 is a natural constituent of the cuticular wax in apple peel. This is a unique example of pulmonary granulomatosis due to storage of vegetal hydrocarbons of dietary origin. 相似文献
9.
N Kalach F Rocchiccioli D de Boissieu P-H Benhamou C Dupont 《Acta paediatrica (Oslo, Norway : 1992)》2001,90(5):499-504
Objective: To analyse to what extent age may alter intestinal permeability (IP) in children and to assess its reliability according to clinical manifestations in cow's milk allergy (CMA). Design: 相似文献
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