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排序方式: 共有123条查询结果,搜索用时 15 毫秒
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Rushikesh Potdar Benjamin A Gartrell Robert Given Lawrence Karsh Jeffrey Frankel Karen Nenno Kris OMalleyLeFebvre Amitabha Bhaumik Sharon McCarthy Tracy McGowan Christopher Pieczonka 《American journal of cancer research》2022,12(1):445
Apalutamide, an androgen receptor signaling inhibitor, in combination with androgen-deprivation therapy (ADT), is approved for treatment of patients with nonmetastatic castration-resistant prostate cancer and metastatic castration-sensitive prostate cancer, based on the data from the phase 3 SPARTAN and TITAN studies respectively. Apalutamide is an inducer of cytochrome P450 enzymes and P-glycoprotein, which are involved in the metabolism of oral anticoagulants (OACs) and may thus have potential drug-drug interactions when co-administered with OACs. Concomitant use of certain OACs such as apixaban, rivaroxaban, edoxaban, dabigatran, and warfarin was allowed in the SPARTAN and TITAN studies. A post-hoc analysis was conducted to evaluate the incidence of treatment-emergent thrombotic and embolic adverse events (AEs) in patients receiving concomitant OACs with apalutamide + ADT or placebo + ADT in both the studies. Anticoagulants were identified by WHO Drug Anatomical Therapeutic Chemical level 4 classifications. Thrombotic and embolic AEs were coded using the Medical Dictionary for Regulatory Activities Version 22.1. Data were analyzed from patients receiving concurrent OACs among all treated patients in SPARTAN (apalutamide + ADT: 95/803 [11.8%]; placebo + ADT: 48/398 [12.1%]) and TITAN (apalutamide + ADT: 31/524 [5.9%]; placebo + ADT: 28/527 [5.3%]). No consequential differences were observed in the occurrence of thrombotic and embolic events between apalutamide + ADT and placebo + ADT groups receiving concomitant OACs in SPARTAN (11.6% vs 12.5%) or TITAN (19.4% vs 21.4%). Grade 3/4 thrombotic and embolic AEs observed in patients receiving concomitant OACs with apalutamide + ADT or placebo + ADT were 6 (6.3%) vs 5 (10.4%) in SPARTAN and 3 (9.7%) vs 1 (3.6%) in TITAN. This analysis suggests that when necessary, concomitant OACs can be used with apalutamide with appropriate monitoring. 相似文献
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Jeongtae Kim Meejung Ahn Yuna Choi Jiyoon Chun Kyungsook Jung Akane Tanaka Hiroshi Matsuda Taekyun Shin 《中国神经再生研究》2022,17(7):1604
Osteopontin(OPN)is an extracellular matrix protein with a diverse range of functions,including roles in cell adhesion,migration,and immunomodulation,which are associated with the modulation of neuroinflammation in the central nervous system.The present study was performed to evaluate the involvement of OPN in the eyes of an experimental autoimmune uveoretinitis(EAU)model.The EAU model was developed by immunization of Lewis rats with interphotoreceptor retinoid-binding protein.The results showed the OPN level was remarkably upregulated in the eye of EAU rats on day 9 post-immunization.The level of CD44,a ligand of OPN,was increased in the ciliary body of EAU rats.Furthermore,OPN was also detected in the ciliary body and activated microglia/macrophages in the EAU retina.The results suggest that OPN was significantly upregulated in the eyes of EAU rats,and that it may be useful as an early biomarker of ocular autoimmune diseases.All animal experiments were approved by the Institutional Animal Care and Use Committee of Jeju National University(approval No.2020-0012)on March 11,2020. 相似文献
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The binding and processing of monoclonal human IgG1 by cells of a human macrophage-like cell line (U937) 总被引:2,自引:0,他引:2
The goal of these experiments was to assess the relationship between the binding and processing of IgG by Fc-receptor-bearing cells. Cells of the U937 human macrophage-like cell line were incubated with 125I- labeled monomers, dimers, oligomers (composed of 2-4 IgG1 subunits), and HP (heavy polymers composed of 5 or more subunits per polymer) of monoclonal human IgG1 in vitro. Binding was assessed by spinning cells through a layer of phthalate oils. Internalization of IgG1 was assessed by quantitating residual binding to cells after surface-bound IgG was removed by a brief treatment with a solution containing 0.25 M acetic acid and 0.5 M sodium chloride. Catabolism was assessed by measuring the release of radioactive fragments of IgG1, which were not precipitated by 10% trichloroacetic acid. Unstimulated U937 bound about 10,000 molecules per cell of IgG1 monomer, with an equilibrium binding constant (Ka) of 5 X 10(8) M-1. After stimulation with a conditioned medium in vitro, binding per cell was increased 3-7--fold, and the Ka was decreased 2-4--fold. Both unstimulated and stimulated cells internalized and catabolized labeled IgG1 HP, but stimulated cells internalized and digested much more IgG1 HP per cell than unstimulated cells. Both monomers and dimers of IgG1 were internalized and degraded very slowly by stimulated cells, even though both preparations readily bound to cells. In contrast, oligomers and (to an even greater extent) IgG1 HP were internalized and degraded much more rapidly. Internalization of IgG1 HP was markedly inhibited by incubation at 4 degrees C, but not by incubation with a variety of metabolic inhibitors. Catabolism was inhibited by chloroquine and monensin (inhibitors of lysosomal acidification) and by cytochalasin (an inhibitor of microfilament polymerization). Binding to the surface of cells was not markedly inhibited by any agent tested. The capacity of cells to bind labeled IgG1 was markedly reduced by prior incubation in the presence of unlabeled IgG1. This reduction was in part due to the steric blockade of receptors caused by the avid, but reversible, binding of IgG1. In addition, IgG1 oligomers or HP (but not IgG1 monomers or dimers) also caused an irreversible reduction in the number of Fc receptors by a process analogous to receptor down-regulation, as observed in other receptor--ligand systems. 相似文献
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Woojin Chung Seungji Lim Sunmi Lee Sungjoo Choi Kayoung Shin Kyungsook Cho 《Yebang Ŭihakhoe chi》2007,40(5):371-380
OBJECTIVES: To determine the impact of cigarette prices on the decision to initiate and quit smoking by taking into account the interdependence of smoking and other behavioral risk factors. METHODS: The study population consisted of 3,000 male Koreans aged > or =20. A survey by telephone interview was undertaken to collect information on cigarette price, smoking and other behavioral risk factors. A two-part model was used to examine separately the effect of price on the decision to be a smoker, and on the amount of cigarettes smoked. RESULTS: The overall price elasticity of cigarettes was estimated at -0.66, with a price elasticity of -0.02 for smoking participation and -0.64 for the amount of cigarettes consumed by smokers. The inclusion of other behavioral risk factors reduced the estimated price elasticity for smoking participation substantially, but had no effect on the conditional price elasticity for the quantity of cigarettes smoked. CONCLUSIONS: From the public health and financial perspectives, an increase in cigarette price would significantly reduce smoking prevalence as well as cigarette consumption by smokers in Korea. 相似文献
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Asian women worldwide have increasing rates of breast cancer due to acculturation which may be altering, gene to gene and/or, genetic and environmental interactions at the cellular level. The purpose of this integrative review is to alert nurses and physicians to rising rates of breast cancer among Korean women and to a need for breast health screening programs in the United States that are more culturally responsive and attentive to the effects of acculturation and genetic risk factors. A comprehensive review of the English and Korean literature pertaining to rising incidence of breast cancer among Korean women in their homeland and in the United States is retraced since 1983. Korean women in Korea and in the United States face similar barriers to cancer screening services. Korean women need knowledge about the effect of acculturation on breast cancer risk and patterns of familial inheritance of breast cancer. Screening is especially important among younger women (younger than age 35), those with a strong family history, and women in community settings where acculturation has its greatest impact. Nurse clinicians and researchers who aim to improve breast cancer screening among minority women must pay closer attention to these risk factors and design culturally competent services and evaluation research. In the United States and Korea, Korean nurses are needed to specialize in breast cancer screening as well as cancer genetic risk assessment and genetic counseling. 相似文献
10.
The aim of this study was to investigate T-cell immunoglobulin and mucin domain 3 (TIM3) genetic polymorphisms and rheumatoid arthritis (RA) according to the shared epitope (SE) status. Six single nucleotide polymorphisms (SNPs: rs11742259 [C/T], rs10515746 [C/A], rs35960726 [A/G], rs1036199 [A/C], rs4704846 [A/G], and rs11134551 [A/G]) in the TIM3 gene from 366 RA patients and 389 healthy controls were investigated using the real-time polymerase chain reaction method. Associations between these SNPs and clinical manifestations (including SE status) were investigated using the SPSS program and Haploview. Polymorphisms of rs35690726 (AG+ GG vs AA: 8.2% vs 1.8%, p(c) < 0.001) were significantly associated with RA with or without SE (p(c) < 0.001 or p(c) = 0.009, respectively). Polymorphisms of rs11742259 (p(c) = 0.003) and rs1036199 (p(c) = 0.012) were significantly different in RA patients with SE, but not in those without SE. In haplotype analysis with a permutation test for the first 4 SNPs (rs11742259, rs10515746, rs35690726, and, rs1036199), CCAA, CCGA, CCGC, and CAAA haplotypes were significantly associated with RA. The clinical characteristics of RA patients were not significantly associated with any TIM3 polymorphism. TIM3 genetic polymorphisms may have a role in the development of RA regardless of a shared epitope status. 相似文献