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排序方式: 共有656条查询结果,搜索用时 15 毫秒
1.
R. Bataille X. G. Zhang J. Wijdenes J-F Schved B. Klein 《Medical oncology (Northwood, London, England)》1993,10(4):185-188
Because IL-6 has been involved in the pathogenesis of acute monoblastic leukemia, we investigated thein vitro anti-proliferative effect and thein vivo anti-tumoral effect of an anti-IL-6 murine monoclonal antibody (mAb) in a patient with MSB type acute leukemia. In the current study, we clearly show the IL-6 dependence of monoblastic cell viability and proliferationin vitro in short-term cultures of malignant cells and the clinical activity of the anti-IL-6 murine mAb. The complete neutralization of IL-6in vivo was associated with a transient but complete disappearance of malignant monoblastic cells in the peripheral blood, with improvement or even normalization of several other biological parameters of disease activity, No immunization against the anti-IL-6 murine mAb was observed. 相似文献
2.
J Lachard G Le Retraite J L Blanc F Cheynet C Chossegros J F Bataille 《Revue de stomatologie et de chirurgie maxillo-faciale》1991,92(4):224-226
In 7 cases of mandibular laterognathia caused by condylar hypertrophy, the authors specify the clinical and teleradiological features in adolescents. They emphasize the inadequacy of lateral teleradiography and of its measurements, and the need for three-dimensional investigation. In adolescents, secondary deformations, either spontaneous or therapeutic, are rare, and the treatment preferred is condylectomy based on the study of casts. The immediate results of this techniques are satisfactory. The long-term consequences on growth and temporomandibular pathology have been studied. 相似文献
3.
4.
C Chossegros J L Blanc F Cheynet J F Bataille H Tessier 《Revue de stomatologie et de chirurgie maxillo-faciale》1991,92(3):160-164
Metastatic tumors of oral cavity are uncommon. Mandibular localisation is the most frequent. Microscopic diagnosis and other metastatic localisations help the diagnosis we are reporting on. The report is on a case with prostatic and lung primitive tumors associated with gingivo-maxillary, femur and cutaneous metastasis. 相似文献
5.
M Ansseau M Bataille D Bobon J L Cerfontaine G Charles F Couteaux S Diricq J Fraipont P Gernay B Troisfontaines 《Acta psychiatrica Belgica》1988,88(2):127-137
Ten psychiatrists have independently rated the clinical profile of fluoxetin (Prozac) at the daily dose of 20 mg according to a "Stars of Liège" model comprising three parameters of therapeutic activity (antidepressant, psychostimulant and anxiolytic) and three parameters of side-effects (anticholinergic, sedative and hypotensive). Each parameter, graduated from 0 to 5 (no, very weak, weak, moderate, potent, very potent effect) was rated by each investigator according to his personal experience with at least 10 patients. Mean ratings given to fluoxetine show a moderate antidepressant effect, equal to amitriptyline (Rédomex, Tryptizol 75 mg/d, clomipramine (Anafranil 75 mg/d and nialamide (Niamide 100 mg/d, weak psychostimulating and anxiolytic effects, a very weak sedative effect and a lack of anticholinergic and hypotensive effects. Digestive side-effects of moderate intensity were also noted as well as a very weak anorexia. The important variability between investigators in the rating of the clinical profile of fluoxetine suggests that more experience is needed in order to define better its physiognomy. 相似文献
6.
A cellular model for myeloma cell growth and maturation based on an intraclonal CD45 hierarchy 总被引:5,自引:0,他引:5
Regis Bataille Nelly Robillard Catherine Pellat-Deceunynck Martine Amiot 《Immunological reviews》2003,194(1):105-111
Summary: Multiple myeloma (MM) is a plasma cell malignancy mainly characterized by the accumulation of malignant plasma cells within the bone marrow. This review shows that the biology of CD45 illuminates that of MM and, more specifically, provides a better delineation of a tumor cell ‘hierarchy’ of clinical interest. We show that in MM, as in normal plasma cell differentiation, there is an intraclonal CD45 hierarchy that is a gradient of CD45 expression on myeloma cells directly related to their proliferation rate and differentiation status. This CD45 hierarchy allows for the design of a cellular model for MM‐cell growth and maturation in which CD45 bright myeloma cells represent the proliferating compartment and CD45 low myeloma cells the quiescent compartment. This model includes an aberrant phenotype that is annihilation rather than decline of CD45, annihilation reflecting the terminal phase of the disease and/or an aggressive presentation of MM. Data from the literature suggest that CD45 bright myeloma cells are targeted by interleukin (IL)‐6, whereas CD45 negative myeloma cells with a high clonogenic capacity are targeted by insulin/insulin‐like growth factor 1 (IGF‐1). This model will be useful for both a better understanding of the basic biology of MM and a better stratification of and therapeutic approach to the patients. Finally, this model presents MM as a self‐renewing plasma cell disease, although the first oncogenic events such as 14q32 translocations clearly occur earlier in a B cell. 相似文献
7.
Active detachment involves inhibition of cell-matrix contacts of malignant melanoma cells by secretion of melanoma inhibitory activity 总被引:3,自引:0,他引:3
Bosserhoff AK Stoll R Sleeman JP Bataille F Buettner R Holak TA 《Laboratory investigation; a journal of technical methods and pathology》2003,83(11):1583-1594
Melanoma inhibitory activity (MIA) has been identified as a small protein secreted from malignant melanoma cells. Recent results revealed a direct interaction of MIA and epitopes within extracellular matrix proteins including fibronectin. The aim of this study was to analyze functional consequences mediated by this interaction. Here we show that MIA interferes specifically with attachment of melanoma cells to fibronectin, a phenomenon we refer to as active detachment. Antibodies inhibiting binding of alpha4beta1 and alpha5beta1 integrins to fibronectin cross-react specifically with MIA, suggesting that MIA shares significant structural homology with the binding pockets of these integrins and thereby masks the respective epitopes on extracellular matrix molecules. Several peptides derived from fibronectin and from a phage display screening were tested with respect to a potential MIA-inhibitory effect. In vitro tests identified two peptides affecting MIA function; both inhibited growth of melanoma metastases in vivo. In summary, we conclude that MIA may play a role in tumor progression and spread of malignant melanomas via mediating active detachment of cells from extracellular matrix molecules within their local milieu. Further, our results suggest that inhibiting MIA functions in vivo may provide a novel therapeutic strategy for metastatic melanoma disease. 相似文献
8.
Germline mutations of the CDKN2 gene in UK melanoma families 总被引:4,自引:1,他引:4
Harland M; Meloni R; Gruis N; Pinney E; Brookes S; Spurr NK; Frischauf AM; Bataille V; Peters G; Cuzick J; Selby P; Bishop DT; Bishop JN 《Human molecular genetics》1997,6(12):2061-2067
Germline mutations in CDKN2 on chromosome 9p21, which codes for the cyclin
D kinase inhibitor p16, and more rarely, mutations in the gene coding for
CDK4, the protein to which p16 binds, underlie susceptibility in some
melanoma families. We have sequenced all exons of CDKN2 and analysed the
CDK4 gene for mutations in 27 UK families showing evidence of
predisposition to melanoma. Five different germline mutations in CDKN2 were
found in six families. Three of the mutations (Met53Ile, Arg24Pro and
23ins24) have been reported previously. We have identified two novel CDKN2
mutations (88delG and Ala118Thr) which are likely to be associated with the
development of melanoma, because of their co-segregation with the disease
and their likely functional effect on the CDKN2 protein. In binding assays
the protein expressed from the previously described mutation, Met53Ile, did
not bind to CDK4/CDK6, confirming its role as a causal mutation in the
development of melanoma. Ala118Thr appeared to be functional in this assay.
Arg24Pro appeared to bind to CDK6, but not to CDK4. No mutations were
detected in exon 2 of CDK4, suggesting that causal mutations in this gene
are uncommon. The penetrance of these mutant CDKN2 genes is not yet
established, nor is the risk of non-melanoma cancer to gene carriers.
相似文献
9.
Jean-Philippe Gaillard Rgis Bataille Herv Brailly Caroline Zuber Kiyoshi Yasukawa Michel Attal Naoko Maruo Tetsuya Taga Tadamitsu Kishimoto Bernard Klein 《European journal of immunology》1993,23(4):820-824
Soluble human interleukin-6 receptor (sIL-6R) was measured in the serum of 30 healthy individuals, 32 individuals with monoclonal gammopathy of undetermined significance (MGUS), 20 patients with early multiple myeloma (MM) and 54 patients with overt MM. The serum activity recognized by an immunoradiometric assay was determined to be sIL-6R, because of its binding capacity to IL-6 and its molecular mass of 55 kDa. All sera of healthy individuals contained sIL-6R (mean value: 89 ng/ml, range 17-300 ng/ml). Serum sIL-6R levels were increased by 51% in patients with MGUS (mean value: 135 ng/ml, p<0.005), by 44% in patients with early myeloma (mean value: 128 ng/ml, p<0.001) and by 116 % in patients with overt MM (mean value: 193 ng/ml, p<0.001). In patients with MM, a complete lack of correlation (p>0.7) was found between serum sIL-6R levels and other previously recognized prognostic factors in this disease, particularly serum IL-6 levels and those factors related to tumor cell mass. The independence of serum sIL-6R levels on tumor cell mass was directly demonstrated by studying four patients with MM treated with autologous bone marrow transplantation for periods of between 320 and 760 days. These levels were found to be remarkably stable and constant, independent of whether patients relapsed or achieved complete remission. Finally, physiological concentrations of sIL-6R were found to increase by tenfold the sensitivity of human myeloma cell lines to IL-6. These observations suggest a high control of the sIL-6R level in vivo, and, possibly, an important functional role of this circulating protein in patients with monoclonal gammopathies. 相似文献
10.
Mcl-1 is an anti-apoptotic member of the Bcl-2 family which is tightly regulated during myeloid and B cell differentiation. We have recently reported that Mcl-1 is expressed in human myeloma cells and that Mcl-1 and Bcl-x(L) expression are correlated. In the current study, we demonstrate that IL-6, a survival factor for the human myeloma cell line MDN, rapidly up-regulates Mcl-1 whereas it has no effect on Bcl-2 protein level. In MDN cells, IL-6 induces both extracellular signal-regulated protein kinase (ERK)1,2 and STAT3 activation whereas STAT1 and STAT5 activation remains undetectable. Furthermore, while investigating the IL-6 signaling pathway leading to Mcl-1 up-regulation, we show that a janus kinase (JAK)-2 inhibitor is able to inhibit both STAT3 activation and Mcl-1 up-regulation whereas an MAP/ERK kinase (MEK) inhibitor has no effect. In conclusion, our data suggest the involvement of the JAK / STAT pathway but not of the Ras / mitogen-activated protein (MAP) kinase pathway in IL-6-induced Mcl-1 up-regulation. 相似文献