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Theranostics

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https://www.readbyqxmd.com/read/30214639/-18-f-fludarabine-pet-as-a-promising-tool-for-differentiating-cns-lymphoma-and-glioblastoma-comparative-analysis-with-18-f-fdg-in-human-xenograft-models
#1
Narinée Hovhannisyan, Fabien Fillesoye, Stéphane Guillouet, Méziane Ibazizene, Jérôme Toutain, Fabienne Gourand, Samuel Valable, Benoit Plancoulaine, Louisa Barré
This paper investigated whether positron emission tomography (PET) imaging with [18 F]fludarabine ([18 F]FDB) can help to differentiate central nervous system lymphoma (CNSL) from glioblastoma (GBM), which is a crucial issue in the diagnosis and management of patients with these aggressive brain tumors. Multimodal analyses with [18 F]fluorodeoxyglucose ([18 F]FDG), magnetic resonance imaging (MRI) and histology have also been considered to address the specificity of [18 F]FDB for CNSL. Methods: Nude rats were implanted with human MC116 lymphoma-cells (n = 9) or U87 glioma-cells (n = 4)...
2018: Theranostics
https://www.readbyqxmd.com/read/30214638/liver-heart-crosstalk-controls-il-22-activity-in-cardiac-protection-after-myocardial-infarction
#2
Ting-Ting Tang, Yuan-Yuan Li, Jing-Jing Li, Ke Wang, Yue Han, Wen-Yong Dong, Zheng-Feng Zhu, Ni Xia, Shao-Fang Nie, Min Zhang, Zhi-Peng Zeng, Bing-Jie Lv, Jiao Jiao, Heng Liu, Zong-Shu Xian, Xiang-Ping Yang, Yu Hu, Yu-Hua Liao, Qing Wang, Xin Tu, Ziad Mallat, Yu Huang, Guo-Ping Shi, Xiang Cheng
Interleukin (IL)-22 regulates tissue inflammation and repair. Here we report participation of the liver in IL-22-mediated cardiac repair after acute myocardial infarction (MI). Methods: We induced experimental MI in mice by ligation of the left ascending artery and evaluated the effect of IL-22 on post-MI cardiac function and ventricular remodeling. Results: Daily subcutaneous injection of 100 µg/kg mouse recombinant IL-22 for seven days attenuated adverse ventricular remodeling and improved cardiac function in mice at 28 days after left anterior descending coronary artery ligation-induced MI...
2018: Theranostics
https://www.readbyqxmd.com/read/30214637/ampk-potential-therapeutic-target-for-ischemic-stroke
#3
REVIEW
Shuai Jiang, Tian Li, Ting Ji, Wei Yi, Zhi Yang, Simeng Wang, Yang Yang, Chunhu Gu
5'-AMP-activated protein kinase (AMPK), a member of the serine/threonine (Ser/Thr) kinase group, is universally distributed in various cells and organs. It is a significant endogenous defensive molecule that responds to harmful stimuli, such as cerebral ischemia, cerebral hemorrhage, and, neurodegenerative diseases (NDD). Cerebral ischemia, which results from insufficient blood flow or the blockage of blood vessels, is a major cause of ischemic stroke. Ischemic stroke has received increased attention due to its '3H' effects, namely high mortality, high morbidity, and high disability...
2018: Theranostics
https://www.readbyqxmd.com/read/30214636/rewiring-of-cisplatin-resistant-bladder-cancer-cells-through-epigenetic-regulation-of-genes-involved-in-amino-acid-metabolism
#4
Austin Yeon, Sungyong You, Minhyung Kim, Amit Gupta, Myung Hee Park, Daniel J Weisenberger, Gangning Liang, Jayoung Kim
Alterations in DNA methylation are important epigenetic markers in bladder cancer (BC). These epigenome modifications may drive the mechanisms of aggressive chemo-resistant BC. Clinicopathological biomarkers that indicate chemotherapeutic resistance are critical for better assessing treatment strategies for individual patients. Thus, in this study, we aimed to determine whether DNA methylation of certain metabolic enzymes is significantly altered in cisplatin-resistant BC cells. Methods: To characterize CpG methylation and nucleosome accessibility in cisplatin-resistant BC cells, the Illumina Infinium HM450 DNA methylation assay was performed...
2018: Theranostics
https://www.readbyqxmd.com/read/30214635/cd28-null-pro-atherogenic-cd4-t-cells-explain-the-link-between-cmv-infection-and-an-increased-risk-of-cardiovascular-death
#5
Alejandra Pera, Stefano Caserta, Fabio Albanese, Pinar Blowers, George Morrow, Nadia Terrazzini, Helen E Smith, Chakravarthi Rajkumar, Bernhard Reus, James R Msonda, Murielle Verboom, Michael Hallensleben, Rainer Blasczyk, Kevin A Davies, Florian Kern
An increased risk of cardiovascular death in Cytomegalovirus (CMV)-infected individuals remains unexplained, although it might partly result from the fact that CMV infection is closely associated with the accumulation of CD28null T-cells, in particular CD28null CD4 T-cells. These cells can directly damage endothelium and precipitate cardiovascular events. However, the current paradigm holds that the accumulation of CD28null T-cells is a normal consequence of aging, whereas the link between these T-cell populations and CMV infection is explained by the increased prevalence of this infection in older people...
2018: Theranostics
https://www.readbyqxmd.com/read/30214634/therapeutic-mesopore-construction-on-2d-nb-2-c-mxenes-for-targeted-and-enhanced-chemo-photothermal-cancer-therapy-in-nir-ii-biowindow
#6
Xiaoxia Han, Xiangxiang Jing, Dayan Yang, Han Lin, Zhigang Wang, Haitao Ran, Pan Li, Yu Chen
Two-dimensional (2D) MXenes have emerged as a promising planar theranostic nanoplatform for versatile biomedical applications; but their in vivo behavior and performance has been severely influenced and hindered by a lack of necessary surface chemistry for adequate surface engineering. To solve this critical issue, this work employs versatile sol-gel chemistry for the construction of a unique "therapeutic mesopore" layer onto the surface of 2D niobium carbide (Nb2 C) MXene. Methods: The in situ self-assembled mesopore-making agent (cetanecyltrimethylammonium chloride, in this case) was kept within the mesopores for efficient chemotherapy...
2018: Theranostics
https://www.readbyqxmd.com/read/30214633/integration-of-magnetic-resonance-imaging-and-protein-and-metabolite-csf-measurements-to-enable-early-diagnosis-of-secondary-progressive-multiple-sclerosis
#7
Stephanie Herman, Payam Emami Khoonsari, Andreas Tolf, Julia Steinmetz, Henrik Zetterberg, Torbjörn Åkerfeldt, Per-Johan Jakobsson, Anders Larsson, Ola Spjuth, Joachim Burman, Kim Kultima
Molecular networks in neurological diseases are complex. Despite this fact, contemporary biomarkers are in most cases interpreted in isolation, leading to a significant loss of information and power. We present an analytical approach to scrutinize and combine information from biomarkers originating from multiple sources with the aim of discovering a condensed set of biomarkers that in combination could distinguish the progressive degenerative phenotype of multiple sclerosis (SPMS) from the relapsing-remitting phenotype (RRMS)...
2018: Theranostics
https://www.readbyqxmd.com/read/30214632/radionuclide-imaging-of-vegfr2-in-glioma-vasculature-using-biparatopic-affibody-conjugate-proof-of-principle-in-a-murine-model
#8
Bogdan Mitran, Rezan Güler, Francis P Roche, Elin Lindström, Ram Kumar Selvaraju, Filippa Fleetwood, Sara S Rinne, Lena Claesson-Welsh, Vladimir Tolmachev, Stefan Ståhl, Anna Orlova, John Löfblom
Vascular endothelial growth factor receptor-2 (VEGFR2) is a key mediator of angiogenesis and therefore a promising therapeutic target in malignancies including glioblastoma multiforme (GBM). Molecular imaging of VEGFR2 expression may enable patient stratification for antiangiogenic therapy. The goal of the current study was to evaluate the capacity of the novel anti-VEGFR2 biparatopic affibody conjugate (ZVEGFR2 -Bp2 ) for in vivo visualization of VEGFR2 expression in GBM. Methods: ZVEGFR2 -Bp2 coupled to a NODAGA chelator was generated and radiolabeled with indium-111...
2018: Theranostics
https://www.readbyqxmd.com/read/30214631/aspirin-cooperates-with-p300-to-activate-the-acetylation-of-h3k9-and-promote-fasl-mediated-apoptosis-of-cancer-stem-like-cells-in-colorectal-cancer
#9
Zhigang Chen, Wenlu Li, Fuming Qiu, Qi Huang, Zhou Jiang, Jun Ye, Pu Cheng, Cho Low, Yikun Guo, Xinchi Yi, Wenteng Chen, Yongpin Yu, YueHua Han, Jun Wu, Shenghang Jin, Dong Kong, Jian Huang
Cancer stem-like cells (CSCs) have been proposed as a key driving force of tumor growth and relapse in colorectal cancer (CRC), and therefore, they are promising targets for cancer therapy. Epidemiological evidence has suggested that the daily use of aspirin reduces overall mortality of CRC and the risk of distant metastasis. We investigated the effect and mechanism of aspirin on CSCs in CRC. Methods: The ratio of CSCs was analyzed after aspirin treatment both in a cell model and patient samples. Chemically modified aspirin and immunoprecipitation were adopted to detect the target proteins of aspirin...
2018: Theranostics
https://www.readbyqxmd.com/read/30214630/novel-multi-drug-delivery-hydrogel-using-scar-homing-liposomes-improves-spinal-cord-injury-repair
#10
Qingqing Wang, Hongyu Zhang, Helin Xu, Yingzheng Zhao, Zhengmao Li, Jiawei Li, Haoli Wang, Deli Zhuge, Xin Guo, Huazi Xu, Salazar Jones, Xiaokun Li, Xiaofeng Jia, Jian Xiao
Proper selection and effective delivery of combination drugs targeting multiple pathophysiological pathways key to spinal cord injury (SCI) hold promise to address the thus far scarce clinical therapeutics for improving recovery after SCI. In this study, we aim to develop a clinically feasible way for targeted delivery of multiple drugs with different physiochemical properties to the SCI site, detail the underlying mechanism of neural recovery, and detect any synergistic effect related to combination therapy...
2018: Theranostics
https://www.readbyqxmd.com/read/30214629/suppression-of-metastasis-through-inhibition-of-chitinase-3-like-1-expression-by-mir-125a-3p-mediated-up-regulation-of-usf1
#11
Ki Cheon Kim, Jaesuk Yun, Dong Ju Son, Ji Young Kim, Jae-Kyung Jung, Jeong Soon Choi, Yu Ri Kim, Ju Kyung Song, Sun Young Kim, Sin Kook Kang, Dae Hwan Shin, Yoon-Seok Roh, Sang-Bae Han, Jin Tae Hong
Rationale: Chitinase 3-like 1 (Chi3L1) protein is up-regulated in various diseases including solid cancers. According to Genome-Wide Association Study (GWAS)/Online Mendelian Inheritance in Man (OMIM)/Differentially Expressed Gene (DEG) analyses, Chi3L1 is associated with 38 cancers, and more highly associated with cancer compared to other oncogenes such as EGFR, TNFα, etc. However, the mechanisms and pathways by which Chi3L1 is associated with cancer are not clear. In current study, we investigated the role of Chi3L1 in lung metastasis...
2018: Theranostics
https://www.readbyqxmd.com/read/30214628/state-of-the-art-of-microbubble-assisted-blood-brain-barrier-disruption
#12
REVIEW
Kang-Ho Song, Brandon K Harvey, Mark A Borden
Focused ultrasound with microbubbles promises unprecedented advantages for blood-brain barrier disruption over existing intracranial drug delivery methods, as well as a significant number of tunable parameters that affect its safety and efficacy. This review provides an engineering perspective on the state-of-the-art of the technology, considering the mechanism of action, effects of microbubble properties, ultrasound parameters and physiological variables, as well as safety and potential therapeutic applications...
2018: Theranostics
https://www.readbyqxmd.com/read/30214627/3d-printing-of-mo-containing-scaffolds-with-activated-anabolic-responses-and-bi-lineage-bioactivities
#13
Wentao Dang, Xiaoya Wang, Jiayi Li, Cuijun Deng, Yaqin Liu, Qingqiang Yao, Liming Wang, Jiang Chang, Chengtie Wu
When osteochondral tissues suffer from focal or degenerative lesions caused by trauma or disorders, it is a tough challenge to regenerate them because of the limited self-healing capacity of articular cartilage. In this study, a series of Mo-doped bioactive glass ceramic (Mo-BGC) scaffolds were prepared and then systematically characterized. The released MoO4 2- ions from 7.5Mo-BGC scaffolds played a vital role in regenerating articular cartilage and subchondral bone synchronously. Methods: The Mo-BGC scaffolds were fabricated through employing both a sol-gel method and 3D printing technology...
2018: Theranostics
https://www.readbyqxmd.com/read/30214626/inactivation-of-pbx3-and-hoxa9-by-down-regulating-h3k79-methylation-represses-npm1-mutated-leukemic-cell-survival
#14
Wu Zhang, Chen Zhao, Junmei Zhao, Yongmei Zhu, Xiangqin Weng, Qiusheng Chen, Huiping Sun, Jian-Qing Mi, Junmin Li, Jiang Zhu, Zhu Chen, Pier Paolo Pandolfi, Saijuan Chen, Xiaojing Yan, Jie Xu
Acute myeloid leukemia (AML) with an NPM1 mutation (NPMc+) has a distinct gene expression signature and displays molecular abnormalities similar to mixed lineage leukemia (MLL), including aberrant expression of the PBX3 and HOXA gene cluster. However, it is unclear if the aberrant expression of PBX3 and HOXA is essential for the survival of NPM1-mutated leukemic cells. Methods: Using the gene expression profiling of TCGA and E-MTAB-3444 datasets, we screened for high co-expression of PBX3 and HOXA9 in NPMc+ leukemia patients...
2018: Theranostics
https://www.readbyqxmd.com/read/30214625/transcriptomic-signature-associated-with-carcinogenesis-and-aggressiveness-of-papillary-thyroid-carcinoma
#15
Huajing Teng, Fengbiao Mao, Jialong Liang, Meiying Xue, Wenqing Wei, Xianfeng Li, Kun Zhang, Dongdong Feng, Baoguo Liu, Zhongsheng Sun
Papillary thyroid carcinoma (PTC) is the fastest-growing disease caused by numerous molecular alterations in addition to previously reported DNA mutations. There is a compelling need to identify novel transcriptomic alterations that are associated with the pathogenesis of PTC with potential diagnostic and prognostic implications. Methods: We gathered and compared 242 expression profiles between paired PTC and adjacent normal tissues and identified and validated the coding and long non-coding RNAs (lncRNAs) associated with the extrathyroidal extension (ETE) of 655 PTC patients in two independent cohorts, followed by predicting their interactions with drugs...
2018: Theranostics
https://www.readbyqxmd.com/read/30214624/aptamer-functionalized-nanoscale-metal-organic-frameworks-for-targeted-photodynamic-therapy
#16
Hong-Min Meng, Xiao-Xiao Hu, Ge-Zhi Kong, Chan Yang, Ting Fu, Zhao-Hui Li, Xiao-Bing Zhang
Photodynamic therapy (PDT) has been applied in clinical cancer treatment. Here we report an aptamer-functionalized nanoscale metal-organic framework for targeted PDT. Our nanosystem can be easily prepared and successfully used for targeted PDT with a significantly enhanced therapeutic efficacy in vitro and in vivo . Methods: By combining the strong binding ability between phosphate-terminated aptamers and Zr-based nanoscale metal-organic frameworks (Zr-NMOFs) and the intercalation of photosensitizer TMPyP4 within the G-quadruplex DNA structure, TMPyP4-G4-aptamer-NMOFs were prepared...
2018: Theranostics
https://www.readbyqxmd.com/read/30214623/intragland-shh-gene-delivery-mitigated-irradiation-induced-hyposalivation-in-a-miniature-pig-model
#17
Liang Hu, Zhao Zhu, Bo Hai, Shimin Chang, Linsha Ma, Yipu Xu, Xiangchun Li, Xiaoyu Feng, Xiaoshan Wu, Qingguo Zhao, Lizheng Qin, Jingsong Wang, Chunmei Zhang, Fei Liu, Songlin Wang
Irreversible hypofunction of salivary glands is common in head and neck cancer survivors treated with radiotherapy and can only be temporarily relieved with current treatments. We found recently in mouse models that transient activation of Hedgehog pathway following irradiation rescued salivary gland function by preserving salivary stem/progenitor cells, parasympathetic innervation and microvessels. Due to huge differences between salivary glands of rodents and humans, to examine the translational potential of this approach, we evaluated effects of Shh gene transfer in a miniature pig model of irradiation-induced hyposalivation...
2018: Theranostics
https://www.readbyqxmd.com/read/30214622/cholangiocarcinoma-therapy-with-nanoparticles-that-combine-downregulation-of-microrna-210-with-inhibition-of-cancer-cell-invasiveness
#18
Ying Xie, Yazhe Wang, Jing Li, Yu Hang, Lee Jaramillo, Cody J Wehrkamp, Mary Anne Phillippi, Ashley M Mohr, Yi Chen, Geoffrey A Talmon, Justin L Mott, David Oupický
Cholangiocarcinoma (CCA) is the second most common primary liver malignancy with extremely poor therapeutic outcome due to high drug resistance, widespread metastasis and lack of effective treatment options. CCA progression and metastasis are regulated by multiple biological factors including multiple miRNAs and chemokine receptor CXCR4. The goal of this study was to test if nanotherapeutic blockade of CXCR4 by polymeric CXCR4 antagonist (PCX) combined with inhibition of hypoxia-inducible miR-210 cooperatively enhances therapeutic efficacy in CCA through reducing invasiveness, inducing cell killing, and reversing drug resistance...
2018: Theranostics
https://www.readbyqxmd.com/read/30214621/comparative-biodistribution-analysis-across-four-different-89-zr-monoclonal-antibody-tracers-the-first-step-towards-an-imaging-warehouse
#19
Frederike Bensch, Michaël M Smeenk, Suzanne C van Es, Johan R de Jong, Carolina P Schröder, Sjoukje F Oosting, Marjolijn N Lub-de Hooge, C Willemien Menke-van der Houven van Oordt, Adrienne H Brouwers, Ronald Boellaard, Elisabeth G E de Vries
Rationale: Knowledge on monoclonal antibody biodistribution in healthy tissues in humans can support clinical drug development. Molecular imaging with positron emission tomography (PET) can yield information in this setting. However, recent imaging studies have analyzed the behavior of single antibodies only, neglecting comparison across different antibodies. Methods: We compared the distribution of four 89 Zr-labeled antibodies in healthy tissue in a retrospective analysis based on the recently published harmonization protocol for 89 Zr-tracers and our delineation protocol...
2018: Theranostics
https://www.readbyqxmd.com/read/30214620/imaging-and-therapy-of-ovarian-cancer-clinical-application-of-nanoparticles-and-future-perspectives
#20
REVIEW
Giovanni Di Lorenzo, Giuseppe Ricci, Giovanni Maria Severini, Federico Romano, Stefania Biffi
Despite significant advances in cancer diagnostics and treatment, ovarian cancers (OC) continue to kill more than 150,000 women every year worldwide. Due to the relatively asymptomatic nature and the advanced stage of the disease at the time of diagnosis, OC is the most lethal gynecologic malignancy. The current treatment for advanced OC relies on the synergistic effect of combining surgical cytoreduction and chemotherapy; however, beside the fact that chemotherapy resistance is a major challenge in OC management, new imaging strategies are needed to target microscopic lesions and improve both cytoreductive surgery and patient outcomes...
2018: Theranostics
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