نتایج جستجو برای: li mica

تعداد نتایج: 47374  

2017
Jie Pan Jiaying Shen Wengong Si Chengyong Du Danni Chen Liang Xu Minya Yao Peifen Fu Weimin Fan

Major histocompatibility complex class I chain-related proteins A and B (MICA and MICB) are important ligands for recognition of tumor cells by immune effector cells. Here, we report that resveratrol upregulated the protein and mRNA expression of MICA and MICB in breast cancer cells, which in turn promoted breast cancer cell lysis by natural killer (NK) cells in vitro and in vivo. Antibodies ag...

1999
Ming Li Anfeng Wang Guangzhao Mao Lars Daehne

The simple molecular structure, relatively high stability, and color variation with molecular packing structure make the streptopolymethine dyes an ideal candidate for the study of surface effects on the nucleation and growth of organic crystals at a liquid/solid interface. In situ optical and atomic force microscopy (AFM) experiments were conducted on amorphous glass and crystalline muscovite ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تهران 1378

li/mgo پایه بسیاری از کاتالیزورهای فعال برای زوج شدن اکسایشی متان (ocm) می باشد. این کاتالیزور یک نیمه هادی و همچنین یک هادی یونی می باشد، لذا مقاومت الکتریکی آن با دما و ترکیب واکنشگرها و همچنین ترکیب کاتالیزور تغییر می کند. در این تحقیق، ابتدا اثر میزان لیتیم کاتالیزور li/mgo بر روی عملکرد ocm و دهیدروژناسیون اکسایشی اتان (ocm) بررسی شد. سپس سعی شد که عملکرد کاتالیزور به هدایت الکتریکی آن مرب...

Journal: :American journal of cancer research 2015
Yu Chen Jing Lin Zeng-Qing Guo Wan-Song Lin Zhi-Feng Zhou Chuang-Zhong Huang Qiang Chen Yun-Bin Ye

Cytokine-induced killer (CIK) cells have shown promising activity against gastric cancer in vitro and in vivo. Previous studies showed that cell signaling through MHC I-related Chain A (MICA)-Natural killer group 2, member D (NKG2D) results in CIK cell activation leading to cytolytic activities against tumor cells. In this study, we investigate the MICA status in patients with gastric carcinoma...

Journal: :Proceedings of the National Academy of Sciences of the United States of America 1997
N Mizuki M Ota M Kimura S Ohno H Ando Y Katsuyama M Yamazaki K Watanabe K Goto S Nakamura S Bahram H Inoko

A member of a novel family of the human major histocompatibility complex (MHC) class I genes termed MIC (MHC class I chain-related genes), MICA, has been recently identified near the HLA-B gene on the short arm of human chromosome 6. The predicted amino acid sequence of the MICA chain suggests that it folds similarly to typical class I chains and may have the capacity to bind peptides or other ...

Journal: :Biochimica et biophysica acta 2000
Z V Leonenko A Carnini D T Cramb

We have used magnetic alternating current mode atomic force microscopy (MAC-AFM) to investigate the formation of supported phospholipid bilayers (SPB) by the method of vesicle fusion. The systems studied were dioleoylphosphatidylcholine (DOPC) on mica and mica modified with 3-aminopropyl-triethoxy-silane (APTES), and DOPC vesicles with gramicidin incorporated on mica and APTES-modified mica. Th...

Journal: :Physical review letters 2015
Wei Chen Adam S Foster Mikko J Alava Lasse Laurson

We study the effect of atomic-scale surface-lubricant interactions on nanoscale boundary-lubricated friction by considering two example surfaces-hydrophilic mica and hydrophobic graphene-confining thin layers of water in molecular dynamics simulations. We observe stick-slip dynamics for thin water films confined by mica sheets, involving periodic breaking-reforming transitions of atomic-scale c...

Journal: :Cancer research 2014
Bin Wang Qiang Wang Zhe Wang Jun Jiang Shi-Cang Yu Yi-Fang Ping Jing Yang Sen-Lin Xu Xian-Zong Ye Chuan Xu Lang Yang Cheng Qian Ji Ming Wang You-Hong Cui Xia Zhang Xiu-Wu Bian

Breast cancer stem-like cells (BCSC) are crucial for metastasis but the underlying mechanisms remain elusive. Here, we report that tumor-infiltrating natural killer (NK) cells failed to limit metastasis and were not associated with improved therapeutic outcome of BCSC-rich breast cancer. Primary BCSCs were resistant to cytotoxicity mediated by autologous/allogeneic NK cells due to reduced expre...

Journal: :Geology 2023

Abstract We present Li and B isotope data for muscovite, biotite, feldspar + quartz separated from two-mica granite biotite samples the Huayang-Wulong suite (south Qinling, central China). Our demonstrate systematic differences in isotopic compositions among these minerals. results indicate that early-crystallizing minerals have lower ?7Li ?11B values than original melt residual melts late magm...

Journal: :CoRR 2014
Sze-Hang Chan Jeanno Cheung Edward Wu Heng Wang Chi-Man Liu Xiaoqian Zhu Shaoliang Peng Ruibang Luo Tak Wah Lam

Background: Short-read aligners have recently gained a lot of speed by exploiting the massive parallelism of GPU. An uprising alternative to GPU is Intel MIC; supercomputers like Tianhe-2, currently top of TOP500, is built with 48,000 MIC boards to offer ~55 PFLOPS. The CPU-like architecture of MIC allows CPU-based software to be parallelized easily; however, the performance is often inferior t...

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