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https://www.readbyqxmd.com/read/27912844/heparanase-from-basic-research-to-therapeutic-applications-in-cancer-and-inflammation
#1
Israel Vlodavsky, Preeti Singh, Ilanit Boyango, Lilach Gutter-Kapon, Michael Elkin, Ralph D Sanderson, Neta Ilan
Heparanase, the sole heparan sulfate degrading endoglycosidase, regulates multiple biological activities that enhance tumor growth, angiogenesis and metastasis. Heparanase expression is enhanced in almost all cancers examined including various carcinomas, sarcomas and hematological malignancies. Numerous clinical association studies have consistently demonstrated that upregulation of heparanase expression correlates with increased tumor size, tumor angiogenesis, enhanced metastasis and poor prognosis. In contrast, knockdown of heparanase or treatments of tumor-bearing mice with heparanase-inhibiting compounds, markedly attenuate tumor progression further underscoring the potential of anti-heparanase therapy for multiple types of cancer...
November 2016: Drug Resistance Updates: Reviews and Commentaries in Antimicrobial and Anticancer Chemotherapy
https://www.readbyqxmd.com/read/27910826/enhancing-radiotherapy-for-lung-cancer-using-immunoadjuvants-delivered-in-situ-from-new-design-radiotherapy-biomaterials-a-preclinical-study
#2
Yao Hao, Sayeda Yasmin-Karim, Michele Moreau, Neeharika Sinha, Erno Sajo, Wilfred Ngwa
Studies show that radiotherapy of a primary tumor in combination with immunoadjuvants (IA) can result in increased survival or immune-mediated regression of metastasis outside the radiation field, a phenomenon known as abscopal effect. However, toxicities due to repeated systematic administration of IA have been shown to be a major obstacle in clinical trials. To minimize the toxicities and prime a more potent immune response, Ngwa et al have proposed that inert radiotherapy biomaterials such as fiducials could be upgraded to multifunctional ones loaded with IA for in situ delivery directly into the tumor sub-volume at no additional inconvenience to patients...
December 21, 2016: Physics in Medicine and Biology
https://www.readbyqxmd.com/read/27889479/ido1-is-an-integral-mediator-of-inflammatory-neovascularization
#3
Arpita Mondal, Courtney Smith, James B DuHadaway, Erika Sutanto-Ward, George C Prendergast, Arturo Bravo-Nuevo, Alexander J Muller
The immune tolerogenic effects of IDO1 (indoleamine 2,3-dioxygenase 1) have been well documented and genetic studies in mice have clearly established the significance of IDO1 in tumor promotion. Dichotomously, the primary inducer of IDO1, the inflammatory cytokine IFNγ (interferon-γ), is a key mediator of immune-based tumor suppression. One means by which IFNγ can exert an anti-cancer effect is by decreasing tumor neovascularization. We speculated that IDO1 might contribute to cancer promotion by countering this anti-neovascular effect of IFNγ, possibly through IDO1-potentiated elevation of the pro-tumorigenic inflammatory cytokine IL6 (interleukin-6)...
November 9, 2016: EBioMedicine
https://www.readbyqxmd.com/read/27882103/identification-of-proteins-suppressing-the-functions-of-oncogenic-phosphatase-of-regenerating-liver-1-and-3
#4
Ju-Dong Lee, Haiyoung Jung, Sang-Hyun Min
The phosphatase of regenerating liver (PRL) family, including PRL-1, PRL-2, and PRL-3, comprises protein tyrosine phosphatases whose deregulation is associated with the tumorigenesis and metastasis of many types of cancer. However, the underlying mechanism is poorly understood. In this study, aiming to increase understanding of the molecular mechanisms underlying the functions of PRL-1 and PRL-3, a yeast two-hybrid system was employed to screen for their interacting proteins. Alignment with the NCBI BLAST database revealed 12 interactive proteins: Synaptic nuclear envelope protein 2, emerin, mannose 6-phosphate receptor-binding protein 1, low-density lipoprotein receptor-related protein 10, Rab acceptor 1, tumor protein D52-like 2, selectin P ligand (SELPLG), guanylate binding protein 1, transmembrane and ubiquitin-like domain-containing 2, NADH:ubiquinone oxidoreductase subunit B8, syndecan 4 and FK506-binding protein 8 (FKBP8)...
November 2016: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/27873555/different-gene-therapy-strategies-a-overview-for-prostate-cancer
#5
Aline Gomes de Souza, Victor Alexandre Felix Bastos, Isaura Beatriz Borges Silva, Karina Marangoni, Vivian Alonso Goulart
Gene therapy emerged as a mighty alternative for conventional treatment of multiple diseases. It has been defined as a product "that mediate their effects by transcription and/or translation of transferred genetic material and/or by integrating into the host genome and that are administered as nucleic acids, viruses, or genetically engineered microorganisms. The products may be used to modify cells in vivo or transferred to cells ex vivo prior to administration to the recipient". The first therapeutic gene therapy human trial was conducted in 1990 by Michael R...
November 15, 2016: Current Gene Therapy
https://www.readbyqxmd.com/read/27872290/the-innate-immune-receptor-dectin-2-mediates-the-phagocytosis-of-cancer-cells-by-kupffer-cells-for-the-suppression-of-liver-metastasis
#6
Yoshitaka Kimura, Asuka Inoue, Sho Hangai, Shinobu Saijo, Hideo Negishi, Junko Nishio, Sho Yamasaki, Yoichiro Iwakura, Hideyuki Yanai, Tadatsugu Taniguchi
Tumor metastasis is the cause of most cancer deaths. Although metastases can form in multiple end organs, the liver is recognized as a highly permissive organ. Nevertheless, there is evidence for immune cell-mediated mechanisms that function to suppress liver metastasis by certain tumors, although the underlying mechanisms for the suppression of metastasis remain elusive. Here, we show that Dectin-2, a C-type lectin receptor (CLR) family of innate receptors, is critical for the suppression of liver metastasis of cancer cells...
November 21, 2016: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/27866519/-role-of-fucosylation-in-cancer
#7
Kun Zhang, Hong Wang
Fucosylation is one of the most important glycosylation in mamal, involving biosynthesis of blood H antigen and Lewis antigen, selectin mediated intravasion and homing of leukocyte, host-microbe interactions, modification of signaling. Alterations in the expression of fucosylated oligosaccharides have been observed in several cancer, playing a role in proliferation, invasion, metastasis, immune escape and drug-sensitiity, especially in lung cancer. Targeting the abnormality of fucosylaion in cancer will become a new strategy...
November 20, 2016: Zhongguo Fei Ai za Zhi, Chinese Journal of Lung Cancer
https://www.readbyqxmd.com/read/27858122/increased-cd14-and-decreased-cd14-populations-of-monocytes-48%C3%A2-h-after-zolendronic-acid-infusion-in-breast-cancer-patients
#8
A Kyrgidis, M P Yavropoulou, R Lagoudaki, C Andreadis, K Antoniades, D Kouvelas
: It has been proposed that bisphosphonates cause osteonecrosis of the jaws through impairment of the monocyte population function and proliferation. Such changes have been confirmed in jaw tissues, ex vivo. In this clinical study, we report for the first time a similar pattern of changes in peripheral blood monocytes. INTRODUCTION: The aim of this study is to examine the effect of zolendronic acid administration in the peripheral blood white cell population, seeking a plausible pathophysiological link between bisphosphonates and osteonecrosis of the jaw...
November 17, 2016: Osteoporosis International
https://www.readbyqxmd.com/read/27847095/proteomic-analysis-and-translational-perspective-of-hepatocellular-carcinoma-identification-of-diagnostic-protein-biomarkers-by-an-onco-proteogenomics-approach
#9
REVIEW
Shyh-Horng Chiou, King-Teh Lee
Hepatocellular carcinoma (HCC) has been ranked as the third leading cause of cancer-related mortality worldwide. Typically, patients are already in advanced stages of liver cirrhosis at the time of HCC diagnosis. Because HCC is often detected at a late stage and is highly aggressive, noninvasive biomarkers are urgently needed for early diagnosis. Recent advances in gene-expression profiling technologies have enabled molecular classification of HCC into defined subclasses that provide a firm basis for further study of potential mechanisms and biomarkers underlying the development of HCC...
November 2016: Kaohsiung Journal of Medical Sciences
https://www.readbyqxmd.com/read/27843441/the-janus-face-of-death-receptor-signaling-during-tumor-immunoediting
#10
REVIEW
Eimear O' Reilly, Andrea Tirincsi, Susan E Logue, Eva Szegezdi
Cancer immune surveillance is essential for the inhibition of carcinogenesis. Malignantly transformed cells can be recognized by both the innate and adaptive immune systems through different mechanisms. Immune effector cells induce extrinsic cell death in the identified tumor cells by expressing death ligand cytokines of the tumor necrosis factor ligand family. However, some tumor cells can escape immune elimination and progress. Acquisition of resistance to the death ligand-induced apoptotic pathway can be obtained through cleavage of effector cell expressed death ligands into a poorly active form, mutations or silencing of the death receptors, or overexpression of decoy receptors and pro-survival proteins...
2016: Frontiers in Immunology
https://www.readbyqxmd.com/read/27834810/mesenchymal-stromal-cells-can-regulate-the-immune-response-in-the-tumor-microenvironment
#11
REVIEW
Alessandro Poggi, Massimo Giuliani
The tumor microenvironment is a good target for therapy in solid tumors and hematological malignancies. Indeed, solid tumor cells' growth and expansion can influence neighboring cells' behavior, leading to a modulation of mesenchymal stromal cell (MSC) activities and remodeling of extracellular matrix components. This leads to an altered microenvironment, where reparative mechanisms, in the presence of sub-acute inflammation, are not able to reconstitute healthy tissue. Carcinoma cells can undergo epithelial mesenchymal transition (EMT), a key step to generate metastasis; these mesenchymal-like cells display the functional behavior of MSC...
November 8, 2016: Vaccines
https://www.readbyqxmd.com/read/27827871/the-role-of-myeloid-derived-suppressor-cells-mdsc-in-cancer-progression
#12
REVIEW
Viktor Umansky, Carolin Blattner, Christoffer Gebhardt, Jochen Utikal
The immunosuppressive tumor microenvironment represents not only one of the key factors stimulating tumor progression but also a strong obstacle for efficient tumor immunotherapy. Immunosuppression was found to be associated with chronic inflammatory mediators including cytokines, chemokines and growth factors produced by cancer and stroma cells. Long-term intensive production of these factors induces the formation of myeloid-derived suppressor cells (MDSCs) representing one of the most important players mediating immunosuppression...
November 3, 2016: Vaccines
https://www.readbyqxmd.com/read/27797715/tumor-associated-macrophage-derived-ccl20-enhances-the-growth-and-metastasis-of-pancreatic-cancer
#13
Bingyan Liu, Yiping Jia, Jun Ma, Shaoqiu Wu, Haosheng Jiang, Yan Cao, Xianjun Sun, Xiang Yin, Shuo Yan, Mingyi Shang, Aiwu Mao
Pancreatic cancer is an aggressive malignancy with a high metastatic potential that results in a high mortality rate worldwide. Although macrophages have the potential to kill tumor cells and elicit immune responses against tumors, there is evidence that tumor-associated macrophages (TAMs) promote tumor progression and suppress T-cell responses. CC-chemokine ligand 20 (CCL20) and its unique receptor CC-chemokine receptor 6 (CCR6) are exploited by cancer cells for migration and metastasis and play important roles in the development and progression of cancer...
December 2016: Acta Biochimica et Biophysica Sinica
https://www.readbyqxmd.com/read/27794498/phytomedicine-modulating-oxidative-stress-and-the-tumor-microenvironment-for-cancer-therapy
#14
REVIEW
Yu-Ting Cheng, Chun-Chih Yang, Lie-Fen Shyur
In spite of the current advances and achievements in systems biology and translational medicinal research, the current strategies for cancer therapy, such as radiotherapy, targeted therapy, immunotherapy and chemotherapy remain palliative or unsatisfactory due to tumor metastasis or recurrence after surgery/therapy, drug resistance, adverse side effects, and so on. Oxidative stress (OS) plays a critical role in chronic/acute inflammation, carcinogenesis, tumor progression, and tumor invasion/metastasis which is also attributed to the dynamic and complex properties and activities in the tumor microenvironment (TME)...
October 26, 2016: Pharmacological Research: the Official Journal of the Italian Pharmacological Society
https://www.readbyqxmd.com/read/27784236/role-of-the-autonomic-nervous-system-in-the-tumor-micro-environment-and-its-therapeutic-potential
#15
Zhifang Xu, Seiji Shioda, Masahisa Jinushi, Yutaka Kawakami, Hirokazu Ohtaki, Shenjun Wang, Xue Zhao, Yangyang Liu, Dan Zhou, Yi Guo
Although evidence over the last 30 years suggests that the autonomic nervous system (ANS) mediates stress-induced allostatic and immune responses, the crucial role that it plays in the tumor micro-environment has only recently been reported. Here, we review the action of ANS signaling in this micro-environment. Emerging data suggest that primary tumors are innervated by the ANS which mediates stress-related effects on tumor progression. The activation of the sympathetic nervous system (SNS) takes advantage of neurotransmitters and neuropeptides from the innervating neural circuitry and/or hypothalamic-pituitary-adrenal axis glucocorticoids via their receptors to modulate the gene expression associated with oncogenesis, the proliferation and apoptosis of tumor cells, angiogenesis, and the tumor-associated immune response...
October 25, 2016: Current Pharmaceutical Design
https://www.readbyqxmd.com/read/27783097/breast-cancer-cells-and-bone-marrow-mesenchymal-stromal-cells-a-regulated-modulation-of-the-breast-tumor-in-the-context-of-immune-response
#16
Mehdi Najar, Hussein Fayyad-Kazan, Wissam H Faour, Bassam Badran, Fabrice Journe, Laurence Lagneaux
OBJECTIVE: The role of direct cell-cell interactions mediating selective bone metastasis by breast cancer cells (BCCs) niche is still mostly unknown. MATERIALS AND METHODS: Conditioned medium and direct cell-cell contacts experiments were used to investigate the effect of bone marrow-derived mesenchymal stromal cells (MSCs), osteoprogenitor-like cells (MG-63) and osteosarcoma cells (SaOS-2) on luminal-like (MCF-7) and basal-like (MDA-MB-231) BCCs flow cytometry was used to assess the purity of isolated BCCs and osteoblasts...
October 25, 2016: Inflammation Research: Official Journal of the European Histamine Research Society ... [et Al.]
https://www.readbyqxmd.com/read/27780942/-role-of-inhibitory-transforming-growth-factor-%C3%AE-signal-smad7-in-helicobacter-pylori-associated-gastric-damage
#17
Ho Jae Lee, Jong Min Park, Ki Baik Hahm
Background/Aims: Transforming growth factor-beta (TGF-β) is a cytokine implicated in the susceptibility, development, and progression of gastrointestinal cancer and certain other neoplasms. In the later stages of cancer, TGF-β not only acts as a bystander of host-immune response, but also contributes to cell growth, invasion, and metastasis. In the current study, we generated gastric mucosal cells that stably express Smad7, and explored the Helicobacter pylori-associated biological changes between mock-transfected and Smad7-transfected RGM1 cells...
October 25, 2016: Korean Journal of Gastroenterology, Taehan Sohwagi Hakhoe Chi
https://www.readbyqxmd.com/read/27773734/liposomal-prednisolone-inhibits-tumor-growth-in-a-spontaneous-mouse-mammary-carcinoma-model
#18
Anil K Deshantri, Sander A A Kooijmans, Sylvia A Kuijpers, Maria Coimbra, Astrid Hoeppener, Gert Storm, Marcel H A M Fens, Raymond M Schiffelers
Cancers are abundantly infiltrated by inflammatory cells that are modulated by tumor cells to secrete mediators fostering tumor cell survival and proliferation. Therefore, agents that interfere with inflammatory signaling molecules or specific immune cell populations have been investigated as anticancer drugs. Corticosteroids are highly potent anti-inflammatory drugs, whose activity is intensified when targeted by nanocarrier systems. Liposome-targeted corticosteroids have been shown to inhibit tumor growth in different syngeneic murine tumor models as well as human xenograft mouse models, which is attributed to a switch in the tumor microenvironment from a pro-inflammatory to an anti-inflammatory state...
October 20, 2016: Journal of Controlled Release: Official Journal of the Controlled Release Society
https://www.readbyqxmd.com/read/27762298/pd-l1-is-a-critical-mediator-of-regulatory-b-cells-and-t-cells-in-invasive-breast-cancer
#19
Honggeng Guan, Yuqiu Wan, Jing Lan, Qin Wang, Zhangyu Wang, Yecheng Li, Jiqing Zheng, Xueguang Zhang, Zemin Wang, Yueping Shen, Fang Xie
Regulatory T cells (Tregs), a key mediator in regulating anti-tumor immune suppression, tumor immune escape, metastasis and relapse, are considered an important therapeutic target in immunotherapy of human cancers. In the present investigation, elevated CD19(+) CD24(+) CD38(+) regulatory B cells (Bregs) were observed in PBMCs of invasive carcinoma of breast (IBCa) patients compared with that in patients with fibroadenoma (FIBma) or healthy individuals, and the positive correlation existed between Bregs and CD4(+) CD25(+) CD127(-) Tregs (r = 0...
October 20, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27757308/chemo-immunotherapy-mediates-durable-cure-of-orthotopic-kras-g12d-p53-pancreatic-ductal-adenocarcinoma
#20
Vanaja Konduri, Dali Li, Matthew M Halpert, Dan Liang, Zhengdong Liang, Yunyu Chen, William E Fisher, Silke Paust, Jonathan M Levitt, Qizhi Cathy Yao, William K Decker
Pancreatic ductal adenocarcinoma (PDAC) is the third leading cause of cancer-related death in the United States, exhibiting a five-year overall survival (OS) of only 7% despite aggressive standard of care. Recent advances in immunotherapy suggest potential application of immune-based treatment approaches to PDAC. To explore this concept further, we treated orthotopically established K-ras(G12D)/p53(-/-) PDAC tumors with gemcitabine and a cell-based vaccine previously shown to generate durable cell-mediated (TH1) immunity...
2016: Oncoimmunology
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