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https://www.readbyqxmd.com/read/29334363/macrophage-membrane-coated-iron-oxide-nanoparticles-for-enhanced-photothermal-tumor-therapy
#1
Qian-Fang Meng, Lang Rao, Minghui Zan, Ming Chen, Guang-Tao Yu, Xiaoyun Wei, Zhuhao Wu, Yue Sun, Shi Shang Guo, Xing-Zhong Zhao, Fu-Bing Wang, Wei Liu
Nanotechnology possesses the potential to revolutionize the diagnosis and treatment of tumors. The ideal nanoparticles used for in vivo cancer therapy should own long blood circulation and active cancer targeting. Additionally, they should be innoxious and invisible to the immune system. Here, we developed a biomimetic nanoplatform with the above properties for cancer therapy. Macrophage membranes were reconstructed into vesicles and then coated onto magnetic iron oxide nanoparticles (Fe3O4 NPs). Inherited from the Fe3O4 core and the macrophage membrane shell, the resulting Fe3O4@MM NPs exhibited good biocompatibility, immune evasion, cancer targeting, and light-to-heat conversion capabilities...
January 15, 2018: Nanotechnology
https://www.readbyqxmd.com/read/29334266/hyaluronic-acid-modified-daunorubicin-plus-honokiol-cationic-liposomes-for-the-treatment-of-breast-cancer-along-with-the-elimination-vasculogenic-mimicry-channels
#2
Rui-Jun Ju, Lan Cheng, Xiao Qiu, Shuang Liu, Xiao-Li Song, Xiao-Ming Peng, Teng Wang, Cui-Qing Li, Xue-Tao Li
BACKGROUND: Breast cancer is an alarming global public health problem and a main cause of cancer-related death in women. Systemic chemotherapy is the most widely used treatment for breast cancer. However, current chemotherapy treatments are far from desirable due to poor targeting specificity, severe side effects, and vasculogenic mimicry (VM). PURPOSE: Hyaluronic acid (HA) modified daunorubicin plus honokiol cationic liposomes were prepared and characterized for treatment of breast cancer by eliminating VM...
January 15, 2018: Journal of Drug Targeting
https://www.readbyqxmd.com/read/29334189/a-multifunctional-micellar-nanoplatform-with-ph-triggered-cell-penetration-and-nuclear-targeting-for-effective-cancer-therapy-and-inhibition-to-lung-metastasis
#3
Yuting Jing, Xiang Xiong, Yang Ming, Jingya Zhao, Xing Guo, Guang Yang, Shaobing Zhou
The enhancement of cellular internalization and subsequent achievement of a nuclear targeting of nanocarriers play an important role in maximizing the therapeutic potency and minimizing the side effects of encapsulated drugs. Herein, a multifunctional micellar nanoplatform simultaneously with high cell penetration and nuclear targeting through pH-triggered surface charge reversal is presented. The miscellar system is constructed from poly(ethylene glycol)-poly(ε-caprolactone) with 2,3-dimethylmaleic anhydride-Tat decoration (PECL/DA-Tat)...
January 15, 2018: Advanced Healthcare Materials
https://www.readbyqxmd.com/read/29332929/size-based-differentiation-of-cancer-and-normal-cells-by-a-particle-size-analyzer-assisted-by-a-cell-recognition-pc-software
#4
Babita Shashni, Shinya Ariyasu, Reisa Takeda, Toshihiro Suzuki, Shota Shiina, Kazunori Akimoto, Takuto Maeda, Naoyuki Aikawa, Ryo Abe, Tomohiro Osaki, Norihiko Itoh, Shin Aoki
Detection of anomalous cells such as cancer cells from normal blood cells has the potential to contribute greatly to cancer diagnosis and therapy. Conventional methods for the detection of cancer cells are usually tedious and cumbersome. Herein, we report on the use of a particle size analyzer for the convenient size-based differentiation of cancer cells from normal cells. Measurements made using a particle size analyzer revealed that size parameters for cancer cells are significantly greater (e.g., inner diameter and width) than the corresponding values for normal cells (white blood cells (WBC), lymphocytes and splenocytes), with no significant difference in shape parameters (e...
January 13, 2018: Biological & Pharmaceutical Bulletin
https://www.readbyqxmd.com/read/29330429/tissue-and-serum-microrna-profile-of-oral-squamous-cell-carcinoma-patients
#5
Augusto Schneider, Berta Victoria, Yury Nunez Lopez, Wiktoria Suchorska, Wojciech Barczak, Agnieszka Sobecka, Wojciech Golusinski, Michal M Masternak, Pawel Golusinski
Head and neck cancer is characterized by malignant tumors arising from the epithelium covering the upper aerodigestive tract, and the majority of these epithelial malignancies are squamous cell carcinomas (SCCs) of the oral cavity (OSCCs). The aim of the current work was to identify miRNAs regulated in OSCC cancerous tissue when compared to a healthy adjacent tissue and to verify the presence of the same miRNAs in the circulation of these patients. For that serum samples and biopsies of healthy and tumor tissues were collected from five patients diagnosed with OSCC of the oral cavity, RNA was extracted from these samples and microRNAs libraries were prepared and sequenced...
January 12, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29330207/early-assessment-of-lung-cancer-immunotherapy-response-via-circulating-tumor-dna
#6
Sarah B Goldberg, Azeet Narayan, Adam J Kole, Roy H Decker, Jimmitti Teysir, Nicholas J Carriero, Angela Lee, Roxanne Nemati, Sameer K Nath, Shrikant M Mane, Yanhong Deng, Nitin Sukumar, Daniel Zelterman, Daniel J Boffa, Katerina Politi, Scott Gettinger, Lynn D Wilson, Roy S Herbst, Abhijit A Patel
PURPOSE: Decisions to continue or suspend therapy with immune checkpoint inhibitors are commonly guided by tumor dynamics seen on serial imaging.  However, immunotherapy responses are uniquely challenging to interpret because tumors often shrink slowly or can appear transiently enlarged due to inflammation.  We hypothesized that monitoring tumor cell death in real-time by quantifying changes in circulating tumor DNA (ctDNA) levels could enable early assessment of immunotherapy efficacy...
January 12, 2018: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/29329995/multifunctional-hybrid-graphene-oxide-for-circulating-tumor-cell-isolation-and-analysis
#7
Avijit PramaniK, Stacy Jones, Ye Gao, Carrie Sweet, Aruna Vangara, Salma Begum, Paresh Chandra Ray
Even in 21st century, >90% cancer-associated deaths are caused by metastatic disease. Circulating tumor cells (CTCs), which circulate in the blood stream after release from primary tumors, extravasate and form fatal metastases in different organs. Several clinical trials indicate that CTCs can be used as a liquid biopsy of tumors for early diagnosis of cancers. Since CTCs are extremely rare and exhibit heterogeneous biology due to epithelial-mesenchymal transition (EMT), oncologists continue to face enormous challenges in using CTCs as a true "liquid biopsy" for cancer patients...
January 9, 2018: Advanced Drug Delivery Reviews
https://www.readbyqxmd.com/read/29327175/microrna-30c-as-a-novel-diagnostic-biomarker-for-primary-and-secondary-b-cell-lymphoma-of-the-cns
#8
Alexander Baraniskin, Monika Chomiak, Guido Ahle, Thomas Gress, Malte Buchholz, Michael Turewicz, Martin Eisenacher, Michelle Margold, Uwe Schlegel, Wolff Schmiegel, Stephan Hahn, Roland Schroers
Primary lymphomas of the central nervous system (PCNSL) are highly aggressive tumors affecting exclusively the CNS, meninges, and eyes. PCNSL must be separated from secondary spread of systemic lymphoma to the CNS (SCNSL), which may occur at diagnosis or relapse of systemic lymphomas. At present, there are no valid methods to distinguish PCNSL from SCNSL based on tumor biopsy because of similar histological presentation. However, SCNSL and PCNSL are different in terms of prognosis and adequate therapy protocols...
January 11, 2018: Journal of Neuro-oncology
https://www.readbyqxmd.com/read/29326054/size-based-separation-methods-of-circulating-tumor-cells
#9
Si-Jie Hao, Yuan Wan, Yi-Qiu Xia, Xin Zou, Si-Yang Zheng
Circulating tumor cells (CTCs) originate from the primary tumor mass and enter into the peripheral bloodstream. Compared to other "liquid biopsy" portfolios such as exosome, circulating tumor DNA/RNA (ctDNA/RNA), CTCs have incomparable advantages in analyses of transcriptomics, proteomics, and signal colocalization. Hence, CTCs hold the key to understanding the biology of metastasis and play a vital role in cancer diagnosis, treatment monitoring, and prognosis. Size-based enrichment featureS prominently in CTC isolation...
January 8, 2018: Advanced Drug Delivery Reviews
https://www.readbyqxmd.com/read/29326053/molecular-analysis-of-circulating-tumors-cells-biomarkers-beyond-enumeration
#10
William L Hwang, Haley M Pleskow, David T Miyamoto
Advances in our molecular understanding of cancer biology have paved the way to an expanding compendium of molecularly-targeted therapies, accompanied by the urgent need for biomarkers that enable the precise selection of the most appropriate therapies for individual cancer patients. Circulating biomarkers such as circulating tumor cells (CTCs) are poised to fill this need, since they are "liquid biopsies" that can be performed non-invasively and serially, and may capture the spectrum of spatial and temporal tumor heterogeneity better than conventional tissue biopsies...
January 8, 2018: Advanced Drug Delivery Reviews
https://www.readbyqxmd.com/read/29325270/-research-development-of-circulating-tumor-cell-in-ovarian-epithelial-carcinoma
#11
(no author information available yet)
No abstract text is available yet for this article.
December 25, 2017: Zhonghua Fu Chan Ke za Zhi
https://www.readbyqxmd.com/read/29324284/a-novel-cytosensor-based-on-pt-ag-nanoflowers-and-aunps-acetylene-black-for-ultrasensitive-and-highly-specific-detection-of-circulating-tumor-cells
#12
Sitian Tang, Huawei Shen, Yixiong Hao, Zhenglan Huang, Yiyi Tao, Yang Peng, Yongcan Guo, Guoming Xie, Wenli Feng
Circulating tumor cells (CTCs), as the cellular origin of metastasis, are cancer cells that break away from a primary tumor and circulate in the peripheral blood. And they provide a wealth of information about tumor phenotype. Here, this work reported a novel ultrasensitive immunoassay protocol for the detection of CTCs by using Pt@Ag nanoflowers (Pt@AgNFs) and AuNPs/Acetylene black (AuNPs/AB) nanomaterial. In the established approach, AuNPs/AB nanomaterial was used as substrate material to increase the specific surface area and enhance the conductivity of the gold electrode...
January 4, 2018: Biosensors & Bioelectronics
https://www.readbyqxmd.com/read/29323039/neuronal-injury-and-tumor-necrosis-factor-alpha-immunoreactivity-in-the-rat-hippocampus-in-the-early-period-of-asphyxia-induced-cardiac-arrest-under-normothermia
#13
Hyun-Jin Tae, Il Jun Kang, Tae-Kyeong Lee, Jeong Hwi Cho, Jae-Chul Lee, Myoung Cheol Shin, Yoon Sung Kim, Jun Hwi Cho, Jong-Dai Kim, Ji Hyeon Ahn, Joon Ha Park, In-Shik Kim, Hyang-Ah Lee, Yang Hee Kim, Moo-Ho Won, Young Joo Lee
Low survival rate occurs in patients who initially experience a spontaneous return of circulation after cardiac arrest (CA). In this study, we induced asphyxial CA in adult male Sprague-Daley rats, maintained their body temperature at 37 ± 0.5°C, and then observed the survival rate during the post-resuscitation phase. We examined neuronal damage in the hippocampus using cresyl violet (CV) and Fluore-Jade B (F-J B) staining, and pro-inflammatory response using ionized calcium-binding adapter molecule 1 (Iba-1), glial fibrillary acidic protein (GFAP), and tumor necrosis factor-alpha (TNF-α) immunohistochemistry in the hippocampus after asphyxial CA in rats under normothermia...
December 2017: Neural Regeneration Research
https://www.readbyqxmd.com/read/29321816/erbb-signaling-in-ctcs-of-ovarian-cancer-and-glioblastoma
#14
REVIEW
Anjali Geethadevi, Deepak Parashar, Erin Bishop, Sunila Pradeep, Pradeep Chaluvally-Raghavan
Circulating Tumor Cells (CTCs) are floating cell populations, which are resistant to anoikis after detachment from the primary sites and travel through the circulatory and lymphatic systems to disseminate throughout the body. CTCs are considered as seed cells for metastasis, and thus isolation of CTCs does not require any invasive procedure. Based on the nature and location of ovarian cancer and glioblastoma, the role of CTCs and hematogenous (carried by blood) spreading of tumor cells in these cancers were not understood well...
November 2017: Genes & Cancer
https://www.readbyqxmd.com/read/29320948/the-profiles-of-soluble-adhesion-molecules-in-the-great-obstetrical-syndromes
#15
Nikolina Docheva, Roberto Romero, Piya Chaemsaithong, Adi L Tarca, Gaurav Bhatti, Percy Pacora, Bogdan Panaitescu, Noppadol Chaiyasit, Tinnakorn Chaiworapongsa, Eli Maymon, Sonia S Hassan, Offer Erez
OBJECTIVE: The objective of this study was to determine the profiles of maternal plasma soluble adhesion molecules in patients with preeclampsia, small-for-gestational-age (SGA) fetuses, acute pyelonephritis, preterm labor with intact membranes (PTL), preterm prelabor rupture of the membranes (preterm PROM), and fetal death. MATERIALS AND METHODS: A cross-sectional study was conducted to determine maternal plasma concentrations of sE-selectin, sL-selectin, and sP-selectin as well as sICAM-1, sVCAM-1, and sPECAM-1 in patients with 1) an uncomplicated pregnancy (control, n = 100); 2) preeclampsia (n = 94); 3) SGA fetuses (in women without preeclampsia/hypertension, n = 45); 4) acute pyelonephritis (n = 25); 5) PTL (n = 53); 6) preterm PROM (n = 24); and 7) fetal death (n = 34)...
January 10, 2018: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/29319382/ctc-derived-ar-v7-detection-as-a-prognostic-and-predictive-biomarker-in-advanced-prostate-cancer
#16
Diogo A Bastos, Emmanuel S Antonarakis
Prostate cancer is a highly heterogeneous disease, with remarkably different prognosis across all stages. Increased circulating tumor cell (CTC) count (≥ 5) using the CellSearch assay has been identified as one of the markers that can be used to predict survival, with added value beyond currently available prognostic factors. Recently, androgen receptor splice variant 7 (AR-V7) detection has been associated with worse outcomes for patients with castration-resistant prostate cancer (CRPC) treated with novel androgen receptor-signaling (ARS) inhibitors such as abiraterone and enzalutamide but not taxane chemotherapies...
January 10, 2018: Expert Review of Molecular Diagnostics
https://www.readbyqxmd.com/read/29312665/association-of-epithelial-to-mesenchymal-transition-circulating-tumor-cells-in-non-small-cell-lung-cancer-nsclc-molecular-subgroups
#17
EDITORIAL
Ippokratis Messaritakis, Athanasios Kotsakis, Vassilis Georgoulias
No abstract text is available yet for this article.
December 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/29312651/molecular-characterization-of-circulating-tumor-cells-in-lung-cancer-moving-beyond-enumeration
#18
REVIEW
Lei Wang, Coraline Dumenil, Catherine Julié, Violaine Giraud, Jennifer Dumoulin, Sylvie Labrune, Thierry Chinet, Jean-François Emile, Biao He, Etienne Giroux Leprieur
Molecular characterization of tumor cells is a key step in the diagnosis and optimal treatment of lung cancer. However, analysis of tumor samples, often corresponding to small biopsies, can be difficult and does not accurately reflect tumor heterogeneity. Recent studies have shown that isolation of circulating tumor cells (CTCs) is feasible in non-small cell lung cancer patients, even at early disease stages. The amount of CTCs corresponds to the metastatic potential of the tumor and to patient prognosis. Moreover, molecular analyses, even at the single-cell level, can be performed on CTCs...
December 12, 2017: Oncotarget
https://www.readbyqxmd.com/read/29311642/hsp90-inhibition-alters-the-chemotherapy-driven-rearrangement-of-the-oncogenic-secretome
#19
Simona di Martino, Carla Azzurra Amoreo, Barbara Nuvoli, Rossella Galati, Sabrina Strano, Francesco Facciolo, Gabriele Alessandrini, Harvey I Pass, Gennaro Ciliberto, Giovanni Blandino, Ruggero De Maria, Mario Cioce
Adaptive resistance to therapy is a hallmark of cancer progression. To date, it is not entirely clear how microenvironmental stimuli would mediate emergence of therapy-resistant cell subpopulations, although a rearrangement of the cancer cell secretome following therapy-induced stress can be pivotal for such a process. Here, by using the highly chemoresistant malignant pleural mesothelioma (MPM) as an experimental model, we unveiled a key contribution of the chaperone HSP90 at assisting a chemotherapy-instigated Senescence-Associated-Secretory-Phenotype (SASP)...
January 9, 2018: Oncogene
https://www.readbyqxmd.com/read/29311117/expanded-genomic-profiling-of-circulating-tumor-cells-in-metastatic-breast-cancer-patients-to-assess-biomarker-status-and-biology-over-time
#20
Mark Jesus M Magbanua, Hope S Rugo, Denise M Wolfe, Louai Hauranieh, Ritu Roy, Praveen Pendyala, Eduardo Sosa, Janet H Scott, Jin Sun Lee, Brandelyn N Pitcher, Terry M Hyslop, William T Barry, Steven J Isakoff, Maura N Dickler, Laura J Van't Veer, John W Park
Purpose: We profiled circulating tumor cells (CTCs) patients to study the biology of blood-borne metastasis and to monitor biomarker status in metastatic breast cancer (MBC).Methods: CTCs were isolated from 105 MBC patients using EPCAM-based immunomagnetic enrichment and fluorescence-activated cells sorting (IE/FACs), 28 of whom had serial CTC analysis (74 samples, 2-5 time points). CTCs were subjected to microfluidic-based multiplex QPCR array of 64 cancer-related genes (n=151) and genome-wide copy number analysis by array comparative genomic hybridization (n=49)...
January 8, 2018: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
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