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F. Hermoso López R. Barrio Castellanos B. Garcia Cuartero A. Gómez Gila I. González Casado M. Oyarzabal Irigoyen I. Rica Etxebarria M. Rodríguez-Rigual M. Torres Lacruz 《Anales de pediatría (Barcelona, Spain : 2003)》2013,78(5):335.e1-335.e4
Intensive treatment of type 1 diabetes mellitus (DM1) delays and slows down the progression of chronic diabetes complications (DCCT 1993).This type of treatment in children and adolescents with DM1 has a different complexity to other stages of life and therefore, needs specialized care units. Various documents and declarations of diabetic patient's rights are evaluated, and the need for an adequate health care is emphasized.In the last decade, several projects have been developed in Europe to create a benchmark treatment of pediatric diabetes, with the aim of establishing hospitals with highly qualified healthcare to control it.The Diabetes Working Group of the Spanish Society for Pediatric Endocrinology (SEEP) has prepared this document in order to obtain a national consensus for the care of children and adolescents with type 1 diabetes in specialist Pediatric Diabetes Units, and at the same time advise Health Care Administrators to establish a national healthcare network for children and adolescents with diabetes mellitus, and organize comprehensive pediatric diabetes care units in hospitals with a reference level in quality of care. 相似文献
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Alfonso Oyarzabal Mercedes Martínez‐Pardo Begoña Merinero Rosa Navarrete Lourdes R Desviat Magdalena Ugarte Pilar Rodríguez‐Pombo 《Human mutation》2013,34(2):355-362
This article describes a hitherto unreported involvement of the phosphatase PP2Cm, a recently described member of the branched‐chain α‐keto acid dehydrogenase (BCKDH) complex, in maple syrup urine disease (MSUD). The disease‐causing mutation was identified in a patient with a mild variant phenotype, involving a gene not previously associated with MSUD. SNP array‐based genotyping showed a copy‐neutral homozygous pattern for chromosome 4 compatible with uniparental isodisomy. Mutation analysis of the candidate gene, PPM1K, revealed a homozygous c.417_418delTA change predicted to result in a truncated, unstable protein. No PP2Cm mutant protein was detected in immunocytochemical or Western blot expression analyses. The transient expression of wild‐type PPM1K in PP2Cm‐deficient fibroblasts recovered 35% of normal BCKDH activity. As PP2Cm has been described essential for cell survival, apoptosis and metabolism, the impact of its deficiency on specific metabolic stress variables was evaluated in PP2Cm‐deficient fibroblasts. Increases were seen in ROS levels along with the activation of specific stress‐signaling MAP kinases. Similar to that described for the pyruvate dehydrogenase complex, a defect in the regulation of BCKDH caused the aberrant metabolism of its substrate, contributing to the patient's MSUD phenotype—and perhaps others. 相似文献
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Subpicomolar diphenyleneiodonium inhibits microglial NADPH oxidase with high specificity and shows great potential as a therapeutic agent for neurodegenerative diseases 下载免费PDF全文
Qingshan Wang Chun‐Hsien Chu Esteban Oyarzabal Lulu Jiang Shih‐Heng Chen Belinda Wilson Li Qian Jau‐Shyong Hong 《Glia》2014,62(12):2034-2043
Activation of microglial NADPH oxidase (NOX2) plays a critical role in mediating neuroinflammation, which is closely linked with the pathogenesis of a variety of neurodegenerative diseases, including Parkinson's disease (PD). The inhibition of NOX2‐generated superoxide has become an effective strategy for developing disease‐modifying therapies for PD. However, the lack of specific and potent NOX2 inhibitors has hampered the progress of this approach. Diphenyleneiodonium (DPI) is a widely used, long‐acting NOX2 inhibitor. However, due to its non‐specificity for NOX2 and high cytotoxicity at standard doses (µM), DPI has been precluded from human studies. In this study, using ultra‐low doses of DPI, we aimed to: (1) investigate whether these problems could be circumvented and (2) determine whether ultra‐low doses of DPI were able to preserve its utility as a potent NOX2 inhibitor. We found that DPI at subpicomolar concentrations (10?14 and 10?13 M) displays no toxicity in primary midbrain neuron‐glia cultures. More importantly, we observed that subpicomolar DPI inhibited phorbol myristate acetate (PMA)‐induced activation of NOX2. The same concentrations of DPI did not inhibit the activities of a series of flavoprotein‐containing enzymes. Furthermore, potent neuroprotective efficacy was demonstrated in a post‐treatment study. When subpicomolar DPI was added to neuron‐glia cultures pretreated with lipopolysaccharide, 1‐methyl‐4‐phenylpyridinium or rotenone, it potently protected the dopaminergic neurons. In summary, DPI's unique combination of high specificity toward NOX2, low cytotoxicity and potent neuroprotective efficacy in post‐treatment regimens suggests that subpicomolar DPI may be an ideal candidate for further animal studies and potential clinical trials. GLIA 2014;62:2034–2043 相似文献
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Diana Fernández-Suárez Marta Celorrio José Ignacio Riezu-Boj Ana Ugarte Rodrigo Pacheco Hugo González Julen Oyarzabal Cecilia J. Hillard Rafael Franco María S. Aymerich 《Neurobiology of aging》2014
Changes in cannabinoid receptor expression and concentration of endocannabinoids have been described in Parkinson's disease; however, it remains unclear whether they contribute to, or result from, the disease process. To evaluate whether targeting the endocannabinoid system could provide potential benefits in the treatment of the disease, the effect of a monoacylglycerol lipase inhibitor that prevents degradation of 2-arachidonyl-glycerol was tested in mice treated chronically with probenecid and 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine (MPTPp). Chronic administration of the compound, JZL184 (8 mg/kg), prevented MPTPp-induced motor impairment and preserved the nigrostriatal pathway. Furthermore, none of the hypokinetic effects associated with cannabinoid receptor agonism were observed. In the striatum and substantia nigra pars compacta, MPTPp animals treated with JZL184 exhibited astroglial and microglial phenotypic changes that were accompanied by increases in TGFβ messenger RNA expression and in glial cell-derived neurotrophic factor messenger RNA and protein levels. JZL184 induced an increase in β-catenin translocation to the nucleus, implicating the Wnt/catenin pathway. Together, these results demonstrate a potent neuroprotective effect of JZL184 on the nigrostriatal pathway of parkinsonian animals, likely involving restorative astroglia and microglia activation and the release of neuroprotective and antiinflammatory molecules. 相似文献
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J Gastearena M Giralt M T Orue F J Oyarzabal E Perez-Equiza M J Uriz 《The American journal of pediatric hematology/oncology》1986,8(3):173-177
Six cases of constitutional aplastic anemia (Fanconi's anemia), including four boys and two girls who were between 6 and 10 years of age, are presented. Congenital abnormalities were observed in all the patients, especially skin pigmentations, renal anomalies, and growth retardation. The initial symptoms were insidious, mainly related to the anemia. All patients were anemic and thrombocytopenic, but only three were leukopenic. Five cases showed increased levels of fetal hemoglobin, which was marked in two. Bone marrow obtained by aspiration and/or biopsy was hypocellular in all cases. Chromosomal studies showed breaks, ring- or cross-chromosomes, chromosome exchanges, and endoreduplications. Five cases were treated with androgens and a good response was obtained in all of them. Four patients died, and the remaining two are alive and well. The clinical and biological features of these patients are in accordance with those of previous reports. The importance of the androgen therapy is stressed; androgen dependence was observed in all cases. 相似文献
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Growth is a basic indicator of the state of health of a child. Many pathologies that occur during childhood can have an incidence and affect final height in an evident way. The evolution and periodic follow up in the examination of the health of height and weight is a compulsory control for paediatricians, who must detect early alterations that might correspond to responsible pathologies and make possible a correct diagnosis and treatment as early as possible. The time of growth in the life of a person is not long, and the importance of a careful follow up derives from this. In this paper we review the factors that interact in growth, the methodology to follow in primary health consultation in order to establish a diagnosis, and the follow up when dealing with a low height. We include the classification of growth retardation that makes it possible to differentiate the low height denominated idiopathic from the pathological. 相似文献
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