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1.
Nicole Y. L. Oei Bernet M. Elzinga Oliver T. Wolf Michiel B. de Ruiter Jessica S. Damoiseaux Joost P. A. Kuijer Dick J. Veltman Philip Scheltens Serge A. R. B. Rombouts 《Brain imaging and behavior》2007,1(1-2):31-41
Glucocorticoids (GCs, cortisol in human) are associated with impairments in declarative memory retrieval. Brain regions hypothesized
to mediate these effects are the hippocampus and prefrontal cortex (PFC). Our aim was to use fMRI in localizing the effects
of GCs during declarative memory retrieval. Therefore, we tested memory retrieval in 21 young healthy males in a randomized
placebo-controlled crossover design. Participants encoded word lists containing neutral and emotional words 1 h prior to ingestion
of 20 mg hydrocortisone. Memory retrieval was tested using an old/new recognition paradigm in a rapid event-related design.
It was found that hydrocortisone decreased brain activity in both the hippocampus and PFC during successful retrieval of neutral
words. These observations are consistent with previous animal and human studies suggesting that glucocorticoids modulate both
hippocampal and prefrontal brain regions that are crucially involved in memory processing.
Electronic Supplementary Material The online version of this article (doi:) contains supplementary material, which is available to authorized users. 相似文献
2.
Damoiseaux JG Bouten B Linders AM Austen J Roozendaal C Russel MG Forget PP Tervaert JW 《Journal of clinical immunology》2002,22(5):281-288
Both celiac disease and inflammatory bowel disease (IBD) are characterized by chronic diarrhea and the presence of distinct (auto)antibodies. In the present study we wanted to determine the prevalence of serological markers for inflammatory bowel disease, i.e., perinuclear antineutrophil cytoplasmic antibodies (pANCA) and/or anti-Saccharomyces cerevisiae antibodies (ASCA), in 37 patients with biopsy-confirmed celiac disease (Marsh IIIb/c). The majority of the patients was positive for IgA (auto)antibodies typically associated with celiac disease, i.e., antiendomysium antibodies (EMA) (86.5%), antigliadin antibodies (AGA) (73%), and antirecombinant human tissue transglutaminase antibodies (rh-tTGA) (86.5%). Four patients with selective IgA deficiency could be identified by analyzing EMA, AGA, and rh-tTGA for the IgG isotype. The prevalence of pANCA and ASCA, markers that are used for IBD, was unexpectedly high in our cohort of patients with celiac disease: 8 patients were positive for pANCA (IgG) and 16 patients were positive for ASCA (IgG and/or IgA). These results indicate that the presence of pANCA or ASCA in the serum of patients with chronic diarrhea does not exclude celiac disease. A prospective study is required to determine whether pANCA and/or ASCA identify patients at risk for developing secondary autoimmune disease. 相似文献
3.
J G Damoiseaux E A D?pp J J Neefjes R H Beelen C D Dijkstra 《Journal of leukocyte biology》1989,46(6):556-564
A set of three monoclonal antibodies (MoAbs), ED1, ED2, and ED3, has been shown to recognize in situ different subsets of macrophages in the rat. This macrophage diversity can be correlated with differences in stage of differentiation of cells belonging to one lineage. The present study quantifies this antigen distribution in the macrophage fractions of several lymphoid organs provided by Percoll centrifugation. Four new MoAbs (ED4, ED7, ED8, and ED9) raised against macrophages are included in this study. The tissue distribution of each of the four new MoAbs is determined by immuno- and enzyme-histochemistry on cryostat sections. The MoAbs recognize distinct subpopulations of macrophages. The new MoAbs ED4, ED7, ED8, and ED9 recognize granulocytes and other unrelated cell types, as well as cells of the mononuclear phagocyte system. ED7 and ED8 recognize a surface heterodimer of Mr 160,000 and 95,000. 相似文献
4.
Jan Willem Cohen Tervaert Jan Damoiseaux 《Clinical reviews in allergy & immunology》2012,43(3):211-219
Antineutrophil cytoplasmic antibodies (ANCA) are traditionally detected by an indirect immunofluorescence technique. According to the international consensus on ANCA testing, ANCA should also be tested by antigen-specific tests for myeloperoxidase-ANCA and proteinase 3-ANCA. The direct noncompetitive enzyme-linked immunosorbent assay (ELISA) used to be the method of choice. Nowadays, these assays are called ??first-generation?? assays. Second-generation tests (capture ELISA) or third-generation tests (anchor ELISA) are more sensitive and specific for ANCA testing. We postulate that ANCA as detected by these newer ANCA tests may replace the need to perform indirect immunofluorescence-based assays. For classification of patients, ANCA serotype seems more important than classifying patients according to their clinical subtype, since genetics, clinical manifestations and response to therapy are more related to ANCA serotype than to clinical subtype. Detection of ANCA to monitor disease activity is still a controversial issue. Treatment based on ANCA levels is at present only experimentally performed in those patients who are treated with B-cell depletion therapy with rituximab. Future studies are needed to establish whether this way of monitoring patients is warranted. 相似文献
5.
Rutgers A Heeringa P Damoiseaux JG Tervaert JW 《European Journal of Internal Medicine》2003,14(5):287-295
In the last decade, serological detection of anti-neutrophil cytoplasmic antibodies (ANCA) and of anti-glomerular basement membrane (GBM) antibodies has tremendously facilitated the diagnosis of small vessel vasculitides. Once diagnosed, these diseases have proven to be treatable. However, in contrast to anti-GBM disease, ANCA-associated vasculitides are chronic diseases with a high relapse rate. Since morbidity in ANCA-associated vasculitides is dictated by the frequency and severity of relapses, much health benefit would be achieved if a relapse could be prevented or early treatment started. Increases in ANCA titers and persistently high ANCA levels indicate a high risk of relapse and warrant clinical evaluation of the patient for signs of relapse. This review will focus on the value of ANCA and anti-GBM antibody testing in diagnosis and on the importance of these tests in follow-up of disease. 相似文献
6.
von Mühlen Carlos
Alberto Garcia-De La Torre Ignacio Infantino Maria Damoiseaux Jan Andrade Luis E. C. Carballo Orlando Gabriel Conrad Karsten Francescantonio Paulo Luiz Carvalho Fritzler Marvin J. Herold Manfred Klotz Werner de Melo Cruvinel Wilson Mimori Tsuneyo Satoh Minoru Musset Lucile Chan Edward K. L. 《Immunologic research》2021,69(6):594-608
Immunologic Research - Results of the anti-nuclear antibodies-indirect immunofluorescence assay (anti-cell antibodies test) on HEp-2 cell substrates should be communicated to clinicians in a... 相似文献
7.
Giacomo Ramponi Marco Folci Maria De Santis Jan G.M.C. Damoiseaux Carlo Selmi Enrico Brunetta 《Autoimmunity reviews》2021,20(3):102759
Anti-neutrophil cytoplasmic antibodies (ANCA) are a group of autoantibodies, predominantly IgG, involved in the pathogenesis of several autoimmune disorders, detected either through indirect immunofluorescence or enzyme-linked immunosorbent assay. By means of indirect immunofluorescence, the main patterns are C-ANCA (cytoplasmic) and P-ANCA (perinuclear), while proteinase 3 (PR3) and myeloperoxidase (MPO) represent the main autoantigens in granulomatosis with polyangiitis and microscopic polyangiitis, both belonging to the family of ANCA-associated vasculitis (AAV). While several experiments established the pathogenicity of MPO-ANCA, evidence remains elusive for PR3-ANCA and an additional target antigen, i.e. LAMP2, has been postulated with specific clinical relevance. The presence of a subset of AAV without ANCA may be explained by the presence of further target antigens or the presence of molecules in blood which make ANCA undetectable. A rise in ANCA titers is not necessarily predictive of a flare of disease in AAV if not accompanied by clinical manifestations. ANCA may develop through variable mechanisms, such as autoantigen complementarity, apoptosis impairment, neutrophil extracellular traps dysfunction and molecular mimicry. We will provide herein a comprehensive review of the available evidence on the biological mechanisms, pathogenetic role, and clinical implications of ANCA testing and disease management. Further, we will address the remaining open challenges in the field, including the role of ANCA in inflammatory bowel disease and in cocaine-induced vasculitis. 相似文献
8.
9.
The avidity of PR3‐ANCA in patients with granulomatosis with polyangiitis during follow‐up
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M. J. Kemna W. Schlumberger P. van Paassen C. Dähnrich J. G. M. C. Damoiseaux J. W. Cohen Tervaert 《Clinical and experimental immunology》2016,185(2):141-147
The objective of this study is to investigate whether the avidity of proteinase‐3‐anti‐neutrophil cytoplasmic antibody (PR3‐ANCA) changes during follow‐up in different subgroups of patients with granulomatosis with polyangiitis (GPA). We selected 10 patients with renal relapsing GPA, 10 patients with renal non‐relapsing GPA and 10 patients with non‐renal relapsing GPA. In all patients, an ANCA rise occurred during remission. The avidity was measured using a chaotropic approach at the time of an ANCA rise and at the time of a relapse in relapsing patients or time‐matched during remission in non‐relapsing patients. No difference was observed in the avidity at the ANCA rise between renal relapsing patients [26·2% (15·5–47·5)], renal patients without a relapse [39·6% (21·2–63·4)] and non‐renal relapsing patients [34·2% (21·6–59·5)]. In renal relapsing patients, the avidity increased significantly from the moment of the ANCA rise to the relapse [difference 6·4% (0·0–17·1), P = 0·0273]. The avidity did not increase after an ANCA rise in renal non‐relapsing patients [difference 3·5 (?6·0 to 10·1), P = 0·6250] or in non‐renal relapsing patients [difference ?3·1% (?8·0 to 5·0), P = 0·5703]. The avidity of PR3‐ANCA increases after an ANCA rise during follow‐up in renal relapsing patients, but not after an ANCA rise in renal patients who remain in remission or in non‐renal relapsing patients. 相似文献
10.