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https://www.readbyqxmd.com/read/28444928/antiinflammatory-activity-of-cinnamon-cinnamomum-zeylanicum-bark-essential-oil-in-a-human-skin-disease-model
#1
Xuesheng Han, Tory L Parker
The effect of cinnamon (Cinnamomum zeylanicum) bark essential oil (CBEO) on human skin cells has not been elucidated. Therefore, we investigated the activity of a commercially available CBEO in a validated human dermal fibroblast system, a model of chronic inflammation and fibrosis. We first evaluated the impact of CBEO on 17 protein biomarkers that play critical roles in inflammation and tissue remodeling. The impact of CBEO on genome-wide gene expression was also evaluated. CBEO showed strong anti-proliferative effects on skin cells and significantly inhibited the production of several inflammatory biomarkers, including vascular cell adhesion molecule-1, intercellular cell adhesion molecule-1, monocyte chemoattractant protein-1, interferon gamma-induced protein 10, interferon-inducible T-cell alpha chemoattractant, and monokine induced by gamma interferon...
April 26, 2017: Phytotherapy Research: PTR
https://www.readbyqxmd.com/read/28444535/image-analysis-of-immune-cell-patterns-in-the-human-mammary-gland-during-the-menstrual-cycle-refines-lymphocytic-lobulitis
#2
Nadine S Schaadt, Juan Carlos López Alfonso, Ralf Schönmeyer, Anne Grote, Germain Forestier, Cédric Wemmert, Nicole Krönke, Mechthild Stoeckelhuber, Hans H Kreipe, Haralampos Hatzikirou, Friedrich Feuerhake
PURPOSE: To improve microscopic evaluation of immune cells relevant in breast cancer oncoimmunology, we aim at distinguishing normal infiltration patterns from lymphocytic lobulitis by advanced image analysis. We consider potential immune cell variations due to the menstrual cycle and oral contraceptives in non-neoplastic mammary gland tissue. METHODS: Lymphocyte and macrophage distributions were analyzed in the anatomical context of the resting mammary gland in immunohistochemically stained digital whole slide images obtained from 53 reduction mammoplasty specimens...
April 25, 2017: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/28444111/pattern-recognition-receptors-immune-targets-to-enhance-cancer-immunotherapy
#3
T Shekarian, S Valsesia-Wittmann, J Brody, M C Michallet, S Depil, C Caux, A Marabelle
Durable tumor responses and significant levels of disease control rates have been described in more than 20 advanced/metastatic cancer types with B7-family immune checkpoint-targeted anti-CTLA-4, anti-PD-1, and anti-PD-L1 monoclonal antibodies. These results and the recent approvals of ipilimumab, pembrolizumab, nivolumab and atezolizumab are currently revolutionizing the way we envision the future of cancer care. However these clinical benefits are not observed in all cancer types and in every patient. Therefore, our clinical challenge is to identify therapeutic strategies which could overcome the primary and secondary resistances to these novel cancer immunotherapies...
April 21, 2017: Annals of Oncology: Official Journal of the European Society for Medical Oncology
https://www.readbyqxmd.com/read/28441391/apigenin-inhibits-tnf%C3%AE-il-1%C3%AE-induced-ccl2-release-through-ikbk-epsilon-signaling-in-mda-mb-231-human-breast-cancer-cells
#4
David Bauer, Natalie Redmon, Elizabeth Mazzio, Karam F Soliman
Mortality associated with breast cancer is attributable to aggressive metastasis, to which TNFα plays a central orchestrating role. TNFα acts on breast tumor TNF receptors evoking the release of chemotactic proteins (e.g. MCP-1/CCL2). These proteins direct inward infiltration/migration of tumor-associated macrophages (TAMs), tumor-associated neutrophils (TANs), myeloid-derived suppressor cells (MDSCs), T-regulatory cells (Tregs), T helper IL-17-producing cells (Th17s), metastasis-associated macrophages (MAMs) and cancer-associated fibroblasts (CAFs)...
2017: PloS One
https://www.readbyqxmd.com/read/28441337/a-study-of-the-differential-effects-of-eicosapentaenoic-acid-epa-and-docosahexaenoic-acid-dha-on-gene-expression-profiles-of-stimulated-thp-1-macrophages
#5
Bénédicte Allam-Ndoul, Frédéric Guénard, Olivier Barbier, Marie-Claude Vohl
Background: An appropriate intake of omega-3 (n-3) fatty acids (FAs) such as eicosapentaenoic and docosahexaenoic acid (EPA/DHA) from marine sources is known to have anti-inflammatory effects. However, molecular mechanisms underlying their beneficial effects on health are not fully understood. The aim of the present study was to characterize gene expression profiles of THP-1 macrophages, incubated in either EPA or DHA and stimulated with lipopolysaccharide (LPS), a pro-inflammatory agent. Methods: THP-1 macrophages were incubated into 10, 50 and 75 µM of EPA or DHA for 24 h, and 100 nM of LPS was added to the culture media for 18 h...
April 25, 2017: Nutrients
https://www.readbyqxmd.com/read/28440494/low-dose-paclitaxel-suppresses-the-induction-of-m2%C3%A2-macrophages-in-gastric-cancer
#6
Takahisa Yamaguchi, Sachio Fushida, Yasuhiko Yamamoto, Tomoya Tsukada, Jun Kinoshita, Katsunobu Oyama, Tomoharu Miyashita, Hidehiro Tajima, Itasu Ninomiya, Seiichi Munesue, Ai Harashima, Shinichi Harada, Hiroshi Yamamoto, Tetsuo Ohta
Tumor-associated macrophages of the M2 phenotype promote tumor proliferation and are associated with a poor prognosis in patients with various malignancies, including gastric cancer with peritoneal dissemination. The present study assessed whether paclitaxel (PTX) suppresses M2 macrophages, by acting as a Toll-like receptor 4 (TLR4) agonist. Macrophages derived from the THP-1 monocytic cell line and peripheral blood mononuclear cell (PBMC)-derived macrophages were cultured with gastric cancer cells in medium containing PTX, at a concentration that did not affect cell proliferation...
April 19, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28439271/cross-talk-between-inhibitory-immunoreceptor-tyrosine-based-activation-motif-signaling-and-toll-like-receptor-pathways-in-macrophages-and-dendritic-cells
#7
REVIEW
Ivan Hirsch, Vaclav Janovec, Ruzena Stranska, Nathalie Bendriss-Vermare
The innate immune cells sense microbial infection and self-ligands by pathogen recognition receptors (PRRs), such as toll-like receptors (TLRs) and regulatory receptors (RRs), associated with immunoreceptor tyrosine-based activation motif (ITAM). Rapid activation and concerted action of PRRs signaling and feedback inhibitory mechanisms must be engaged to ensure the host defense functions and to prevent cytotoxicity associated with excessive activation. ITAM-associated RRs can generate stimulatory or, paradoxically, inhibitory signals...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28436514/cpg-loaded-mos2-nanosheets-as-multifunctional-agents-for-photothermal-enhanced-cancer-immunotherapy
#8
Qiusen Han, Xinhuan Wang, Xinghang Jia, Shuangfei Cai, Wei Liang, Yan Qin, Rong Yang, Chen Wang
Single or few-layered MoS2 nanosheets, as a novel class of 2D nanomaterials, have received tremendous attention due to their fantastic physical and chemical properties. Here, we fabricated MoS2-PEG-CpG with a small and uniform size as a multifunctional platform for photothermal enhanced immunotherapy. MoS2 nanosheets were fabricated by chemical exfoliation and further probe sonication. To realize MoS2-based adjuvant delivery, MoS2 nanosheets were functionalized with cytosine-phosphate-guanine (CpG) and polyethylene glycol (PEG) to form MoS2-PEG-CpG nanoconjugates...
April 24, 2017: Nanoscale
https://www.readbyqxmd.com/read/28435677/control-of-immune-cell-entry-through-the-tumour-vasculature-a-missing-link-in-optimising-melanoma-immunotherapy
#9
REVIEW
Lih Yin Tan, Carmela Martini, Zvi G Fridlender, Claudine S Bonder, Michael P Brown, Lisa M Ebert
Metastatic melanoma remains a fatal disease to many worldwide, even after the breakthrough introduction of targeted therapies such as BRAF inhibitors and immune checkpoint blockade therapies such as CTLA-4 and PD-1 inhibitors. With advances in our understanding of this disease, as well as the increasing data gathered from patient studies, the significance of the host immune response to cancer progression and response to treatment is becoming clear. More specifically, the presence of intratumoral CD8(+) cytotoxic T-cells correlates with better prognosis whereas the accumulation of monocytes/macrophages and neutrophils in the tumour is often associated with worse prognosis...
March 2017: Clinical & Translational Immunology
https://www.readbyqxmd.com/read/28433460/stimulatory-effect-of-desipramine-on-lung-metastases-of-adenocarcinoma-madb-106-in-stress-highly-sensitive-and-stress-non-reactive-rats
#10
Beata Grygier, Marta Kubera, Danuta Wrona, Adam Roman, Agnieszka Basta-Kaim, Piotr Gruca, Mariusz Papp, Zofia Rogoz, Monika Leskiewicz, Boguslawa Budziszewska, Magdalena Regulska, Barbara Korzeniak, Katarzyna Curzytek, Katarzyna Glombik, Joanna Slusarczyk, Michael Maes, Wladyslaw Lason
The effect of antidepressant drugs on tumor progress is very poorly recognized. The aim of the present study was to examine the effect of individual reactivity to stress and 24-day desipramine (DES) administration on the metastatic colonization of adenocarcinoma MADB 106 cells in the lungs of Wistar rats. Wistar rats were subjected to stress procedure according to the chronic mild stress (CMS) model of depression for two weeks and stress highly-sensitive (SHS) and stress non-reactive (SNR) rats were selected...
April 19, 2017: Progress in Neuro-psychopharmacology & Biological Psychiatry
https://www.readbyqxmd.com/read/28433198/tumor-promoting-role-of-anti-tumor-macrophages-in-tumor-microenvironment
#11
REVIEW
Kuntal Kanti Goswami, Tithi Ghosh, Sarbari Ghosh, Madhurima Sarkar, Anamika Bose, Rathindranath Baral
Recent advances in tumor biology demand detailed analysis of the complex interaction of tumor cells with their adjacent microenvironment (tumor stroma) to understand the various mechanisms involved in tumor growth and metastasis. Mononuclear phagocytes or macrophages, a type of innate immune cells, defend the organism against infection and injury. On the otherhand, tumor associated macrophages (TAMs) constitute a significant part of the tumor-infiltrating immune cells, have been linked to the growth, angiogenesis, and metastasis of a variety of cancers, most likely through polarization of TAMs to the M2 (alternative) phenotype...
April 13, 2017: Cellular Immunology
https://www.readbyqxmd.com/read/28432397/downregulation-of-neuropilin-1-on-macrophages-modulates-antibody-mediated-tumoricidal-activity
#12
Kosuke Kawaguchi, Eiji Suzuki, Mariko Nishie, Isao Kii, Tatsuki R Kataoka, Masahiro Hirata, Masashi Inoue, Fengling Pu, Keiko Iwaisako, Moe Tsuda, Ayane Yamaguchi, Hironori Haga, Masatoshi Hagiwara, Masakazu Toi
Neuropilin-1 (NRP-1)-expressing macrophages are engaged in antitumor immune functions via various mechanisms. In this study, we investigated the role of NRP-1 on macrophages in antibody-mediated tumoricidal activity. Treatment of macrophages with NRP-1 knockdown or an anti-NRP-1-neutralizing antibody significantly suppressed antibody-dependent cellular cytotoxicity and modulated cytokine secretion from macrophages in vitro. Furthermore, in vivo studies using a humanized mouse model bearing human epidermal growth factor receptor-2 (HER2)-positive breast cancer xenografts showed that antibody-mediated antitumor activity and tumor infiltration of CD4(+) T lymphocytes were significantly downregulated when peripheral blood mononuclear cells in which NRP-1 was knocked down were co-administered with an anti-HER2 antibody...
April 21, 2017: Cancer Immunology, Immunotherapy: CII
https://www.readbyqxmd.com/read/28432279/il-35-induces-n2-phenotype-of-neutrophils-to-promote-tumor-growth
#13
Jiu-Ming Zou, Jian Qin, Yong-Chao Li, Yu Wang, Dong Li, Yu Shu, Chao Luo, Shan-Shan Wang, Gang Chi, Fang Guo, Gui-Mei Zhang, Zuo-Hua Feng
IL-35 is an immunosuppressive cytokine and exerts regulatory effects on T cells, B cells, macrophages and dendritic cells. Neutrophils are important innate immune cells that play key roles in tumor development. The effect of IL-35 on neutrophils remains unknown. Here, we report that IL-35 can induce N2 neutrophil polarization (protumor phenotype) by increasing G-CSF and IL-6 production, and promote neutrophil infiltration into tumor microenvironment. The sustained expression of IL-35 could promote chronic inflammation to augment the proangiogenic and immunosuppressive function of neutrophils...
April 4, 2017: Oncotarget
https://www.readbyqxmd.com/read/28432068/activation-of-dectin-1-on-macrophages-promotes-pancreatic-cancer
#14
(no author information available yet)
Activation of dectin-1 on macrophages drives adaptive immune suppression and PDAC progression.
April 21, 2017: Cancer Discovery
https://www.readbyqxmd.com/read/28430349/prognostic-significance-of-infiltrating-immune-cell-subtypes-in-invasive-ductal-carcinoma-of-the-breast
#15
Yangmei Xu, Suzhen Lan, Qiuhong Zheng
PURPOSE: To explore the correlation between tumor-infiltrating immune cell subsets and breast cancer prognosis. MATERIALS AND METHODS: Specimens of 102 patients with invasive ductal carcinoma of the breast were analyzed for immune-related markers (CD8, CD20, FOXP3 and CD68). The number of positive cells in the 3 most highly stained intratumoral stroma areas of the primary tumor was counted. The mean number was calculated and used to divide patients into 2 groups for each marker (CD8-high/CD8-low, CD20-high/CD20-low, FOXP3-high/FOXP3-low, and CD68-high/CD68-low)...
April 20, 2017: Tumori
https://www.readbyqxmd.com/read/28429765/repolarizing-macrophages-improves-breast-cancer-therapy
#16
Luca Cassetta, Jeffrey W Pollard
Tumor-associated macrophages (TAMs) contribute to breast cancer progression and dissemination; TAM-targeting strategies aimed at their reprogramming show promising preclinical results. In a new report Guerriero and colleagues demonstrate that a novel HDAC Class IIa inhibitor, TMP195, can reprogram monocytes and macrophages in the tumor into cells able to sustain a robust CD8 T cell-mediated anti-tumoral immune response.
April 21, 2017: Cell Research
https://www.readbyqxmd.com/read/28427184/kpnb1-mediated-nuclear-import-is-required-for-motility-and-inflammatory-transcription-factor-activity-in-cervical-cancer-cells
#17
Tamara Stelma, Virna D Leaner
Karyopherin β1 is a nuclear import protein involved in the transport of proteins containing a nuclear localisation sequence. Elevated Karyopherin β1 expression has been reported in cancer and transformed cells and is essential for cancer cell proliferation and survival. Transcription factors such as NFĸB and AP-1 contain a nuclear localisation sequence and initiate the expression of multiple factors associated with inflammation and cancer cell biology. Our study investigated the effect of inhibiting nuclear import via Karyopherin β1 on cancer cell motility and inflammatory signaling using siRNA and the novel small molecule, Inhibitor of Nuclear Import-43, INI-43...
March 2, 2017: Oncotarget
https://www.readbyqxmd.com/read/28427165/prognostic-significance-of-tumor-associated-macrophages-in-breast-cancer-a-meta-analysis-of-the-literature
#18
REVIEW
Xixi Zhao, Jingkun Qu, Yuchen Sun, Jizhao Wang, Xu Liu, Feidi Wang, Hong Zhang, Wen Wang, Xingcong Ma, Xiaoyan Gao, Shuqun Zhang
PURPOSE: Tumor associated macrophages (TAMs) are important prognostic factors and have been proved to be associated with the invasion and migration of various cancer. However, the relationship between TAMs and breast cancer outcomes remains unclear. EXPERIMENTAL DESIGN: Sixteen studies with a total of 4,541 breast cancer patients were included in this meta-analysis. Correlation of TAMs with overall survival (OS), disease-free survival(DFS), relapse-free survival (RFS), breast cancer special survival (BCSS) and clinicopathological features were analyzed...
February 25, 2017: Oncotarget
https://www.readbyqxmd.com/read/28427157/the-anti-tumor-efficacy-of-3c23k-a-glyco-engineered-humanized-anti-misrii-antibody-in-an-ovarian-cancer-model-is-mainly-mediated-by-engagement-of-immune-effector-cells
#19
Pauline Estupina, Alexandre Fontayne, Jean-Marc Barret, Nathalie Kersual, Olivier Dubreuil, Marion Le Blay, Alexandre Pichard, Marta Jarlier, Martine Pugnière, Maëva Chauvin, Thierry Chardès, Jean-Pierre Pouget, Emmanuel Deshayes, Alexis Rossignol, Toufik Abache, Christophe de Romeuf, Aurélie Terrier, Lucie Verhaeghe, Christine Gaucher, Jean-François Prost, André Pèlegrin, Isabelle Navarro-Teulon
Ovarian cancer is the leading cause of death in women with gynecological cancers and despite recent advances, new and more efficient therapies are crucially needed. Müllerian Inhibiting Substance type II Receptor (MISRII, also named AMHRII) is expressed in most ovarian cancer subtypes and is a novel potential target for ovarian cancer immunotherapy. We previously developed and tested 12G4, the first murine monoclonal antibody (MAb) against human MISRII. Here, we report the humanization, affinity maturation and glyco-engineering steps of 12G4 to generate the Fc-optimized 3C23K MAb, and the evaluation of its in vivo anti-tumor activity...
February 24, 2017: Oncotarget
https://www.readbyqxmd.com/read/28426974/cell-borne-2d-nanomaterials-for-efficient-cancer-targeting-and-photothermal-therapy
#20
Zhibin Li, Jundong Shao, Qian Luo, Xue-Feng Yu, Hanhan Xie, Haidi Fu, Siying Tang, Huaiyu Wang, Guangli Han, Paul K Chu
Two of the challenges for clinical implementation of nano-therapeutic strategies are optimization of tumor targeting and clearance of the nanoagents in vivo. Herein, a cell-mediated therapy by transporting 2D Bi2Se3 nanosheets within macrophage vehicles is described. The Bi2Se3 nanosheets with excellent near-infrared photothermal performance exhibit high macrophage uptake and negligible cytotoxicity thus facilitating the fabrication of Bi2Se3-laden-macrophages. Compared with bare Bi2Se3, the Bi2Se3-laden-macrophages after intravenous injection show prolonged blood circulation and can overcome the hypoxia-associated drug delivery barrier to target the tumor efficiently and dramatically enhance the efficiency of photothermal cancer therapy...
April 17, 2017: Biomaterials
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