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Zou, Weiping

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https://www.readbyqxmd.com/read/29769201/in-vitro-priming-of-adoptively-transferred-t-cells-with-a-ror%C3%AE-agonist-confers-durable-memory-and-stemness-in-vivo
#1
Xiao Hu, Kinga Majchrzak, Xikui Liu, Megan M Wyatt, Chauncey Spooner, Jacques Moisan, Weiping Zou, Laura L Carter, Chrystal M Paulos
Adoptive T cell transfer therapy is an FDA-approved treatment for leukemia that relies on the ex vivo expansion and re-infusion of a patient's immune cells, which can be engineered with a chimeric antigen receptor (CAR) for more efficient tumor recognition. Type 17 T cells, controlled transcriptionally by RORγ, have been reported to mediate potent anti-tumor effects superior to those observed with conventionally expanded T cells. Here we demonstrate that addition of a synthetic, small molecule RORγ agonist during ex vivo expansion potentiates the anti-tumor activity of human Th17 and Tc17 cells redirected with a CAR...
May 16, 2018: Cancer Research
https://www.readbyqxmd.com/read/29686425/understanding-the-tumor-immune-microenvironment-time-for-effective-therapy
#2
REVIEW
Mikhail Binnewies, Edward W Roberts, Kelly Kersten, Vincent Chan, Douglas F Fearon, Miriam Merad, Lisa M Coussens, Dmitry I Gabrilovich, Suzanne Ostrand-Rosenberg, Catherine C Hedrick, Robert H Vonderheide, Mikael J Pittet, Rakesh K Jain, Weiping Zou, T Kevin Howcroft, Elisa C Woodhouse, Robert A Weinberg, Matthew F Krummel
The clinical successes in immunotherapy have been both astounding and at the same time unsatisfactory. Countless patients with varied tumor types have seen pronounced clinical response with immunotherapeutic intervention; however, many more patients have experienced minimal or no clinical benefit when provided the same treatment. As technology has advanced, so has the understanding of the complexity and diversity of the immune context of the tumor microenvironment and its influence on response to therapy. It has been possible to identify different subclasses of immune environment that have an influence on tumor initiation and response and therapy; by parsing the unique classes and subclasses of tumor immune microenvironment (TIME) that exist within a patient's tumor, the ability to predict and guide immunotherapeutic responsiveness will improve, and new therapeutic targets will be revealed...
April 23, 2018: Nature Medicine
https://www.readbyqxmd.com/read/29684410/multicoloured-fluorescent-indicators-for-live-cell-and-in-vivo-imaging-of-inorganic-mercury-dynamics
#3
Rongkun Tao, Mei Shi, Yejun Zou, Di Cheng, Qiaohui Wang, Renmei Liu, Aoxue Wang, Jiahuan Zhu, Lei Deng, HanYang Hu, Xianjun Chen, Jiulin Du, Weiping Zhu, Yuzheng Zhao, Yi Yang
Engineered fluorescent indicators for visualizing mercury ion (Hg2+ ) are powerful tools to illustrate the intracellular distribution and serious toxicity of the ion. However, the sensitive and specific detection of Hg2+ in living cells and in vivo is challenging. This paper reported the development of fluorescent indicators for Hg2+ in green or red color by inserting a circularly permuted fluorescent protein into a highly mercury-specific repressor. These sensors provided a rapid, sensitive, specific, and real-time read-out of Hg2+ dynamics in solutions, bacteria, subcellular organelles of mammalian cells, and zebrafish, thereby providing a useful new method for Hg2+ detection and bioimaging...
April 20, 2018: Free Radical Biology & Medicine
https://www.readbyqxmd.com/read/29608143/host-expression-of-pd-l1-determines-efficacy-of-pd-l1-pathway-blockade-mediated-tumor-regression
#4
Heng Lin, Shuang Wei, Elaine M Hurt, Michael D Green, Lili Zhao, Linda Vatan, Wojciech Szeliga, Ronald Herbst, Paul W Harms, Leslie A Fecher, Pankaj Vats, Arul M Chinnaiyan, Christopher D Lao, Theodore S Lawrence, Max Wicha, Junzo Hamanishi, Masaki Mandai, Ilona Kryczek, Weiping Zou
No abstract text is available yet for this article.
April 2, 2018: Journal of Clinical Investigation
https://www.readbyqxmd.com/read/29572549/mechanistic-insights-into-cancer-immunity-and-immunotherapy
#5
EDITORIAL
Weiping Zou
No abstract text is available yet for this article.
March 23, 2018: Cellular & Molecular Immunology
https://www.readbyqxmd.com/read/29374066/mir-508-defines-the-stem-like-mesenchymal-subtype-in-colorectal-cancer
#6
Ting-Ting Yan, Lin-Lin Ren, Chao-Qin Shen, Zhen-Hua Wang, Ya-Nan Yu, Qian Liang, Jia-Yin Tang, Ying-Xuan Chen, Dan-Feng Sun, Witold Zgodzinski, Marek Majewski, Piotr Radwan, Ilona Kryczek, Ming Zhong, Jinxian Chen, Qiang Liu, Weiping Zou, Hao-Yan Chen, Jie Hong, Jing-Yuan Fang
Colorectal cancer includes an invasive stem-like/mesenchymal subtype, but its genetic drivers, functional, and clinical relevance are uncharacterized. Here we report the definition of an altered miRNA signature defining this subtype that includes a major genomic loss of miR-508. Mechanistic investigations showed that this miRNA affected the expression of cadherin CDH1 and the transcription factors ZEB1, SALL4, and BMI1. Loss of miR-508 in colorectal cancer was associated with upregulation of the novel hypoxia-induced long noncoding RNA AK000053...
April 1, 2018: Cancer Research
https://www.readbyqxmd.com/read/29366764/deglycerolization-of-red-blood-cells-a-new-dilution-filtration-system
#7
Jing Liu, Weiping Ding, Xiaoming Zhou, Yufeng Kang, Lili Zou, Chengpan Li, Xingxia Zhu, Dayong Gao
In this work, we present a new version of the dilution-filtration system for rapidly deglycerolizing a large volume of cryopreserved blood. In our earlier system, one of the major problems was the damage induced to the red blood cells (RBCs) due to high osmolality change at the dilution point. Therefore, we devised a new system to solve this problem. First, we theoretically simulated the osmolality variation in the new system and the variation of the maximum and minimum volumes of the RBCs at the dilution point to examine the effects of operating parameters/conditions...
February 2, 2018: Cryobiology
https://www.readbyqxmd.com/read/29337305/host-expression-of-pd-l1-determines-efficacy-of-pd-l1-pathway-blockade-mediated-tumor-regression
#8
Heng Lin, Shuang Wei, Elaine M Hurt, Michael D Green, Lili Zhao, Linda Vatan, Wojciech Szeliga, Ronald Herbst, Paul W Harms, Leslie A Fecher, Pankaj Vats, Arul M Chinnaiyan, Christopher D Lao, Theodore S Lawrence, Max Wicha, Junzo Hamanishi, Masaki Mandai, Ilona Kryczek, Weiping Zou
Programmed death-1 receptor (PD-L1, B7-H1) and programmed cell death protein 1 (PD-1) pathway blockade is a promising therapy for treating cancer. However, the mechanistic contribution of host and tumor PD-L1 and PD-1 signaling to the therapeutic efficacy of PD-L1 and PD-1 blockade remains elusive. Here, we evaluated 3 tumor-bearing mouse models that differ in their sensitivity to PD-L1 blockade and demonstrated a loss of therapeutic efficacy of PD-L1 blockade in immunodeficient mice and in PD-L1- and PD-1-deficient mice...
February 1, 2018: Journal of Clinical Investigation
https://www.readbyqxmd.com/read/29303730/learning-about-hiv-the-hard-way-hiv-among-chinese-msm-attending-university
#9
Huachun Zou, Joseph D Tucker, Song Fan, Junjie Xu, Maohe Yu, Zhenzhou Luo, Weiping Cai, Andrew E Grulich
No abstract text is available yet for this article.
January 2018: Lancet Infectious Diseases
https://www.readbyqxmd.com/read/29275464/the-role-of-tumor-microenvironment-in-cancer-immunotherapy
#10
Timothy Frankel, Mirna Perusina Lanfranca, Weiping Zou
The field of tumor immunology and immunotherapy has undergone a renaissance in the past decade do in large part to a better understanding of the tumor immune microenvironment. After suffering countless successes and setbacks in the twentieth century, immunotherapy has now come to the forefront of cancer research and is recognized as an important tool in the anti-tumor armamentarium. The goal of therapy is to aid the immune system in recognition and destruction of tumor cells by enhancing its ability to react to tumor antigens...
2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/29209568/phenotype-and-tissue-distribution-of-cd28h-immune-cell-subsets
#11
Joel Crespo, Linda Vatan, Tomasz Maj, Rebecca Liu, Ilona Kryczek, Weiping Zou
CD28H is a newly discovered co-receptor of the human B7 family. CD28H interacts with its ligand B7-H5 and regulates T cell response. Here we showed that CD28H was not expressed on granulocytes, monocytes, myeloid dendritic cells (MDCs), and B cells, but constitutively expressed with moderate levels on memory T cells and with high levels on naïve T cells, innate lymphoid cells (ILCs), natural killer (NK) cells, and plasmacytoid dendritic cells (PDCs) in human peripheral blood. Similar CD28H+ cell profile existed in secondary lymphoid organs and pathological tissues including multiple types of cancers...
2017: Oncoimmunology
https://www.readbyqxmd.com/read/29181619/microrna-326-contributes-to-autoimmune-thyroiditis-by-targeting-the-ets-1-protein
#12
Na Zhao, Hongjin Zou, Jing Qin, Chenling Fan, Yongping Liu, Shuo Wang, Zhongyan Shan, Weiping Teng, Yushu Li
PURPOSE: MicroRNA-326 (miR-326), as a member of the microRNA (miRNA) family, which includes endogenous single-stranded, conserved, noncoding small RNAs, has been reported to play important roles in autoimmune diseases such as multiple sclerosis and systemic lupus erythematosus. However, few studies of the role of miR-326 in autoimmune thyroiditis (AIT) have been published. Here, we explored the roles of miR-326 and the involved pathway in iodine-induced AIT. METHODS: NOD...
January 2018: Endocrine
https://www.readbyqxmd.com/read/29150439/suppression-of-fip200-and-autophagy-by-tumor-derived-lactate-promotes-na%C3%A3-ve-t-cell-apoptosis-and-affects-tumor-immunity
#13
Houjun Xia, Wei Wang, Joel Crespo, Ilona Kryczek, Wei Li, Shuang Wei, Zhaoqun Bian, Tomasz Maj, Mingxiao He, Rebecca J Liu, Youwen He, Ramandeep Rattan, Adnan Munkarah, Jun-Lin Guan, Weiping Zou
Naïve T cells are poorly studied in cancer patients. We report that naïve T cells are prone to undergo apoptosis due to a selective loss of FAK family-interacting protein of 200 kDa (FIP200) in ovarian cancer patients and tumor-bearing mice. This results in poor antitumor immunity via autophagy deficiency, mitochondria overactivation, and high reactive oxygen species production in T cells. Mechanistically, loss of FIP200 disables the balance between proapoptotic and antiapoptotic Bcl-2 family members via enhanced argonaute 2 (Ago2) degradation, reduced Ago2 and microRNA1198-5p complex formation, less microRNA1198-5p maturation, and consequently abolished microRNA1198-5p-mediated repression on apoptotic gene Bak1 Bcl-2 overexpression and mitochondria complex I inhibition rescue T cell apoptosis and promoted tumor immunity...
November 17, 2017: Science Immunology
https://www.readbyqxmd.com/read/29106384/hepatic-neuregulin-4-signaling-defines-an-endocrine-checkpoint-for-steatosis-to-nash-progression
#14
Liang Guo, Peng Zhang, Zhimin Chen, Houjun Xia, Siming Li, Yanqiao Zhang, Sune Kobberup, Weiping Zou, Jiandie D Lin
Nonalcoholic steatohepatitis (NASH) is characterized by progressive liver injury, inflammation, and fibrosis; however, the mechanisms that govern the transition from hepatic steatosis, which is relatively benign, to NASH remain poorly defined. Neuregulin 4 (Nrg4) is an adipose tissue-enriched endocrine factor that elicits beneficial metabolic effects in obesity. Here, we show that Nrg4 is a key component of an endocrine checkpoint that preserves hepatocyte health and counters diet-induced NASH in mice. Nrg4 deficiency accelerated liver injury, fibrosis, inflammation, and cell death in a mouse model of NASH...
December 1, 2017: Journal of Clinical Investigation
https://www.readbyqxmd.com/read/29083399/oxidative-stress-controls-regulatory-t-cell-apoptosis-and-suppressor-activity-and-pd-l1-blockade-resistance-in-tumor
#15
Tomasz Maj, Wei Wang, Joel Crespo, Hongjuan Zhang, Weimin Wang, Shuang Wei, Lili Zhao, Linda Vatan, Irene Shao, Wojciech Szeliga, Costas Lyssiotis, J Rebecca Liu, Ilona Kryczek, Weiping Zou
Live regulatory T cells (Treg cells) suppress antitumor immunity, but how Treg cells behave in the metabolically abnormal tumor microenvironment remains unknown. Here we show that tumor Treg cells undergo apoptosis, and such apoptotic Treg cells abolish spontaneous and PD-L1-blockade-mediated antitumor T cell immunity. Biochemical and functional analyses show that adenosine, but not typical suppressive factors such as PD-L1, CTLA-4, TGF-β, IL-35, and IL-10, contributes to apoptotic Treg -cell-mediated immunosuppression...
December 2017: Nature Immunology
https://www.readbyqxmd.com/read/28929205/simulation-of-the-osmosis-based-drug-encapsulation-in-erythrocytes
#16
Duobiao Ge, Lili Zou, Chengpan Li, Sen Liu, Shibo Li, Sijie Sun, Weiping Ding
Drug-loaded erythrocytes have been proposed for the treatment of disease. A common way to load drugs into erythrocytes is to apply osmotic shock. Currently, osmosis-based drug encapsulation is studied mainly experimentally, whereas a related theoretical model is still incomplete. In this study, a set of equations is developed to simulate the osmosis-based drug-encapsulation process. First, the modeling is validated with hemolysis rates and the drug-loaded quantities to be found in the literature. Then, the variation of the erythrocyte volume, formation of the pore on the erythrocyte membrane, and quantities of drug loaded into and hemoglobin released from erythrocytes are studied...
April 2018: European Biophysics Journal: EBJ
https://www.readbyqxmd.com/read/28753429/fusobacterium-nucleatum-promotes-chemoresistance-to-colorectal-cancer-by-modulating-autophagy
#17
TaChung Yu, Fangfang Guo, Yanan Yu, Tiantian Sun, Dan Ma, Jixuan Han, Yun Qian, Ilona Kryczek, Danfeng Sun, Nisha Nagarsheth, Yingxuan Chen, Haoyan Chen, Jie Hong, Weiping Zou, Jing-Yuan Fang
Gut microbiota are linked to chronic inflammation and carcinogenesis. Chemotherapy failure is the major cause of recurrence and poor prognosis in colorectal cancer patients. Here, we investigated the contribution of gut microbiota to chemoresistance in patients with colorectal cancer. We found that Fusobacterium (F.) nucleatum was abundant in colorectal cancer tissues in patients with recurrence post chemotherapy, and was associated with patient clinicopathological characterisitcs. Furthermore, our bioinformatic and functional studies demonstrated that F...
July 27, 2017: Cell
https://www.readbyqxmd.com/read/28737768/arid1a-mutated-ovarian-cancers-depend-on-hdac6-activity
#18
Benjamin G Bitler, Shuai Wu, Pyoung Hwa Park, Yang Hai, Katherine M Aird, Yemin Wang, Yali Zhai, Andrew V Kossenkov, Ana Vara-Ailor, Frank J Rauscher, Weiping Zou, David W Speicher, David G Huntsman, Jose R Conejo-Garcia, Kathleen R Cho, David W Christianson, Rugang Zhang
ARID1A, encoding a subunit of the SWI/SNF chromatin-remodelling complex, is the most frequently mutated epigenetic regulator across all human cancers. ARID1A and TP53 mutations are typically mutually exclusive. Therapeutic approaches that correlate with this genetic characteristic remain to be explored. Here, we show that HDAC6 activity is essential in ARID1A-mutated ovarian cancers. Inhibition of HDAC6 activity using a clinically applicable small-molecule inhibitor significantly improved the survival of mice bearing ARID1A-mutated tumours...
August 2017: Nature Cell Biology
https://www.readbyqxmd.com/read/28555670/chemokines-in-the-cancer-microenvironment-and-their-relevance-in-cancer-immunotherapy
#19
REVIEW
Nisha Nagarsheth, Max S Wicha, Weiping Zou
The tumour microenvironment is the primary location in which tumour cells and the host immune system interact. Different immune cell subsets are recruited into the tumour microenvironment via interactions between chemokines and chemokine receptors, and these populations have distinct effects on tumour progression and therapeutic outcomes. In this Review, we focus on the main chemokines that are found in the human tumour microenvironment; we elaborate on their patterns of expression, their regulation and their roles in immune cell recruitment and in cancer and stromal cell biology, and we consider how they affect cancer immunity and tumorigenesis...
September 2017: Nature Reviews. Immunology
https://www.readbyqxmd.com/read/28470264/reconstruction-and-analysis-of-the-lncrna-mirna-mrna-network-based-on-competitive-endogenous-rna-reveal-functional-lncrnas-in-rheumatoid-arthritis
#20
Hui Jiang, Rong Ma, Shubiao Zou, Yongzhong Wang, Zhuqing Li, Weiping Li
Rheumatoid arthritis (RA) is an autoimmune disease with an unknown etiology, occurring in approximately 1.0% of general population. More and more studies have suggested that long non-coding RNAs (lncRNAs) could play important roles in various biological processes and be associated with the pathogenesis of different kinds of diseases including RA. Although a large number of lncRNAs have been found, our knowledge of their function and physiological/pathological significance is still in its infancy. In order to reveal functional lncRNAs and identify the key lncRNAs in RA, we reconstructed a global triple network based on the competitive endogenous RNA (ceRNA) theory using the data from National Center for Biotechnology Information Gene Expression Omnibus and our previous paper...
June 1, 2017: Molecular BioSystems
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