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排序方式: 共有97条查询结果,搜索用时 15 毫秒
21.
Management of intestinal bleeding with single‐dose cyclophosphamide in Henoch–Schönlein purpura
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Ünal Uluca Aydın Ece Velat Şen Servet Yel İlhan Tan Duran Karabel 《Pediatrics international》2015,57(3):498-500
In these case series, we report on six children (3 girls, 3 boys) aged 5–13 years with Henoch–Schönlein purpura (HSP) who developed severe gastrointestinal (GI) bleeding resistant to both 2 mg/kg or pulse (10–30 mg/kg) i.v. methylprednisolone. All patients responded to single‐dose (500 mg/m2) i.v. cyclophosphamide (CPA) and none of them developed new GI bleeding after CPA treatment. No patients required surgical intervention. Single high‐dose CPA may be beneficial in HSP with severe GI involvement, in which bleeding is non‐responsive to high‐dose steroids. 相似文献
22.
Nicolay U Kiessling P Berger M Gupta S Yel L Roifman CM Gardulf A Eichmann F Haag S Massion C Ochs HD 《Journal of clinical immunology》2006,26(1):65-72
The lifelong IgG replacement therapy for patients with primary immunedeficiencies (PIDD) may be provided by intravenous (IVIG)
or by subcutaneous IgG (SCIG) infusions. We investigated the impact of weekly SCIG self-infusions at home on the health-related
quality of life, treatment satisfaction, and preferences in patients treated with IVIG at the hospital/doctor's office (Group
A) or at home (Group B) before the study started. Forty-four adult North American PIDD patients were included in the study,
28 patients in Group A and 16 in Group B. Patients in Group A reported significantly less limitations with their work/daily
activities, a significantly improved vitality, and better general health. Treatment satisfaction was significantly improved
in Group A. The preference for the subcutaneous route and for home therapy was respectively 81% and 90% in Group A. In Group
B, 69% preferred the subcutaneous route and 92% home therapy. 相似文献
23.
Ozçelik U Tuncel M Göçmen A Balci S Erbil M Yel L Kiper N 《The Turkish journal of pediatrics》1999,41(4):525-529
A seven-year-old girl with Turner's syndrome, who suffered from recurrent respiratory system infections since birth, was investigated to determine the etiology of bronchiectasis. Electron microscopy of recurrent nasal biopsy specimens revealed ciliary aplasia. Ciliary aplasia in Turner's syndrome, has not previously been reported. 相似文献
24.
Thimerosal induces neuronal cell apoptosis by causing cytochrome c and apoptosis-inducing factor release from mitochondria 总被引:1,自引:0,他引:1
Yel L Brown LE Su K Gollapudi S Gupta S 《International journal of molecular medicine》2005,16(6):971-977
There is a worldwide increasing concern over the neurological risks of thimerosal (ethylmercury thiosalicylate) which is an organic mercury compound that is commonly used as an antimicrobial preservative. In this study, we show that thimerosal, at nanomolar concentrations, induces neuronal cell death through the mitochondrial pathway. Thimerosal, in a concentration- and time-dependent manner, decreased cell viability as assessed by calcein-ethidium staining and caused apoptosis detected by Hoechst 33258 dye. Thimerosal-induced apoptosis was associated with depolarization of mitochondrial membrane, generation of reactive oxygen species, and release of cytochrome c and apoptosis-inducing factor (AIF) from mitochondria to cytosol. Although thimerosal did not affect cellular expression of Bax at the protein level, we observed translocation of Bax from cytosol to mitochondria. Finally, caspase-9 and caspase-3 were activated in the absence of caspase-8 activation. Our data suggest that thimerosal causes apoptosis in neuroblastoma cells by changing the mitochondrial microenvironment. 相似文献
25.
Among 78 erythromycin-resistant group B streptococcus (GBS) isolates from Korea, ermB was detected in 58 (74.4%), mefA was detected in 14 (17.9%), and ermTR was detected in 6 (7.7%). The most prevalent serotypes of erythromycin-resistant GBS were V (detected in 34 isolates [43.6%]) and III (detected in 33 isolates [42.3%]). All serotype V erythromycin-resistant GBS harbored the ermB gene. 相似文献
26.
Imai K Slupphaug G Lee WI Revy P Nonoyama S Catalan N Yel L Forveille M Kavli B Krokan HE Ochs HD Fischer A Durandy A 《Nature immunology》2003,4(10):1023-1028
Activation-induced cytidine deaminase (AID) is a 'master molecule' in immunoglobulin (Ig) class-switch recombination (CSR) and somatic hypermutation (SHM) generation, AID deficiencies are associated with hyper-IgM phenotypes in humans and mice. We show here that recessive mutations of the gene encoding uracil-DNA glycosylase (UNG) are associated with profound impairment in CSR at a DNA precleavage step and with a partial disturbance of the SHM pattern in three patients with hyper-IgM syndrome. Together with the finding that nuclear UNG expression was induced in activated B cells, these data support a model of CSR and SHM in which AID deaminates cytosine into uracil in targeted DNA (immunoglobulin switch or variable regions), followed by uracil removal by UNG. 相似文献
27.
Aging is associated with progressive decline in T cell functions and increased frequency of infections, autoimmune phenomenon, and cancer. Memory T cells rapidly acquire effector functions to kill infected and malignant cells and/or inhibit their replication. Recently, memory T cells have been further classified into central and effector memory T cells (and early and intermediate T cells by some investigators). In aging, memory T cells are accumulated; however, these subpopulations of memory and effector T cells have not been fully characterized and changes in central memory and effector memory T cells in aged humans have not been described. In this article, we have further defined na?ve, central memory, effector memory, and effector CD8+ T cells in humans and their changes in aged humans. 相似文献
28.
Haider HKh Lei Y Jiang S Law PK Sim EK 《The Annals of thoracic surgery》2003,76(1):339-40; author reply 340
29.
Griscelli disease: genotype-phenotype correlation in an array of clinical heterogeneity 总被引:4,自引:0,他引:4
Sanal O Ersoy F Tezcan I Metin A Yel L Ménasché G Gürgey A Berkel I de Saint Basile G 《Journal of clinical immunology》2002,22(4):237-243
Griscelli disease is a rare autosomal recessive disorder characterized by diffuse pigmentary dilution and occurrence of acute phases of uncontrolled lymphocyte and macrophage activation, so-called hemophagocytic syndrome (HS) that leads to death. Recently, two closely linked genes located on human 15q21 region have been found to be responsible for the disease. We present clinical and laboratory findings of 13 unrelated patients with Griscelli disease as well as mutation analyses in an effort to define a genotype–phenotype correlation. Eight patients who showed RAB27A mutations presented with HS. In contrast, two patients who primarily presented with a neurological impairment in the absence of infection susceptibility or HS were found to have homozygous MYO5A mutations. No mutation in RAB27A could be detected in the other three patients. One of the latter developed HS at a rather late age, while the other two are free of HS at 12 and 15 years of age. Griscelli disease presents with a heterogeneous clinical picture that seems to reflect the involved gene defect. This genotype–phenotype correlation suggests that the natural course of the disease and outcome is dictated by the site and type of the genetic mutation. 相似文献
30.
Ilizarov external fixation for severely comminuted supracondylar and intercondylar fractures of the distal femur 总被引:4,自引:0,他引:4
Arazi M Memik R Ogün TC Yel M 《The Journal of bone and joint surgery. British volume》2001,83(5):663-667
Our aim was to determine the clinical effectiveness and safety of Ilizarov external fixation for the acute treatment of severely comminuted extra-articular and intercondylar fractures of the distal femur. A total of 14 consecutive patients with complex fractures was treated. There were three type-A3, two type-C2 and nine type-C3 fractures according to the AO/ASIF system. The mean follow-up was 14 months. Most fractures (13) united primarily at a mean of 16 weeks. One patient with a type-IIIA open fracture had infection and nonunion. The mean range of flexion of the knee at the final follow-up was 105 degrees (35 to 130). We conclude that, in the treatment of comminuted fractures of the distal femur, the Ilizarov fixator is safe and effective in providing stability and allowing early rehabilitation. 相似文献