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immune mediated metastasis

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https://www.readbyqxmd.com/read/29147622/factors-released-by-the-tumor-far-microenvironment-are-decisive-for-pancreatic-adenocarcinoma-development-and-progression
#1
REVIEW
Juan L Iovanna, Daniel Closa
The REG3β protein was identified more than 2 decades ago, but its role in PDAC development was only recently reported. In Pancreatic Ductal Adenocarcinoma (PDAC), REG3β protein is expressed and released by the far microenvironment, which is situated out of the tumor, at the periphery of the tumor mass, and is part of the healthy peri-tumoral region. This compartment is completely unrelated to the classical microenvironment that corresponds to the intra-tumoral stoma. Clinically relevant, the far microenvironment, and the factors released by it, could be novel and original therapeutic targets for treating patients with a PDAC...
2017: Oncoimmunology
https://www.readbyqxmd.com/read/29145206/microrna-expression-profiling-of-pancreatic-cancer-cell-line-l3-6p1-following-b7-h4-knockdown
#2
Yun Qian, Limin Feng, Weigen Wu, Tianhao Weng, Chenyu Hu, Bo Hong, Frederick X C Wang, Lingwei Shen, Qi Wang, Xin Jin, Hangping Yao
BACKGROUND/AIMS: Co-stimulating molecule B7-H4 regulates T cell-mediated immune responses, participates in tumor immune escape, and promotes the proliferation and metastasis of pancreatic cancer cells. However, the specific mechanisms are unclear. MicroRNAs (miRNAs) participated in the pathogenesis and progression of cancer. METHODS: In this study, a microarray technique was used to screen B7-H4-related differentially expressed miRNAs in a pancreatic cancer cell line find those associated with pancreatic cancer...
November 17, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/29139296/differential-content-of-proteins-mrnas-and-mirnas-suggests-that-mdsc-and-their-exosomes-may-mediate-distinct-immune-suppressive-functions
#3
Lucia Geis-Asteggiante, Ashton T Belew, Virginia K Clements, Nathan J Edwards, Suzanne Ostrand-Rosenberg, Nagib M El-Sayed, Catherine Fenselau
Myeloid-derived suppressor cells (MDSC) are immature myeloid cells that accumulate in the circulation and the tumor microenvironment of most cancer patients. There, MDSC suppress both adaptive and innate immunity, hindering immunotherapies. The inflammatory milieu often present in cancers facilitates MDSC suppressive activity, causing aggressive tumor progression and metastasis. MDSC from tumor-bearing mice release exosomes, which carry biologically active proteins and mediate some of the immunosuppressive functions characteristic of MDSC...
November 15, 2017: Journal of Proteome Research
https://www.readbyqxmd.com/read/29129643/tgf%C3%AE-pathway-inhibition-in-the-treatment-of-non-small-cell-lung-cancer
#4
REVIEW
Pınar Ö Eser, Pasi A Jänne
Advanced non-small cell lung cancer (NSCLC) continues to be an incurable family of thoracic malignancies that is chronically managed with chemotherapy, targeted therapy, and immunotherapy. While the discovery of driver oncogenes and the advent of targeted and immunotherapies in the last decade have vastly improved clinical disease management for patients harboring druggable mutations, the mainstay treatment for the majority of NSCLC patients remains cytotoxic chemotherapy. The clinical efficacy of targeted, immune, and cytotoxic therapies is limited by the development of drug resistance...
November 9, 2017: Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/29128181/predictive-relevance-of-programmed-cell-death-protein-1-and-tumor-infiltrating-lymphocyte-expression-in-papillary-thyroid-cancer
#5
Marra J Aghajani, Tao Yang, Charles E McCafferty, Susannah Graham, Xiaojuan Wu, Navin Niles
BACKGROUND: Co-signaling molecule programmed cell death 1 ligand 1 has been shown to induce potent inhibition of T cell-mediated antitumoral immunity. Our study aimed to investigate the prognostic value of programmed cell death 1 ligand 1 expression and tumor-infiltrating lymphocyte density as biomarkers in specimens from patients with papillary thyroid cancer. METHODS: We retrospectively analyzed the data and tissue samples of 75 patients with papillary thyroid cancer...
November 8, 2017: Surgery
https://www.readbyqxmd.com/read/29123467/the-role-of-sdf-1-cxcr4-cxcr7-in-neuronal-regeneration-after-cerebral-ischemia
#6
REVIEW
Xi Cheng, Huibin Wang, Xiuchun Zhang, Shanshan Zhao, Zhike Zhou, Xiaopeng Mu, Chuansheng Zhao, Weiyu Teng
Stromal cell-derived factor-1 is a chemoattractant produced by bone marrow stromal cell lines. It is recognized as a critical factor in the immune and central nervous systems (CNSs) as well as exerting a role in cancer. SDF-1 activates two G protein-coupled receptors, CXCR4 and CXCR7; these are expressed in both developing and mature CNSs and participate in multiple physiological and pathological events, e.g., inflammatory response, neurogenesis, angiogenesis, hematopoiesis, cancer metastasis, and HIV infection...
2017: Frontiers in Neuroscience
https://www.readbyqxmd.com/read/29120754/new-opportunities-and-challenges-to-defeat-cancer-stem-cells
#7
REVIEW
Erika K Ramos, Andrew D Hoffmann, Stanton L Gerson, Huiping Liu
Cancer stem cells (CSCs) are a subpopulation of cancer cells that are capable of self-renewal, proliferation, differentiation, plastic adaptation, and immune regulation, thereby mediating tumorigenesis, metastasis, and therapy resistance. CSCs are associated with cancer progression and clinical outcome in cancer patients. Successful targeting of CSCs will therefore be necessary to eradicate and cure cancer. Functional regulators of stem cell (stemness) signaling pathways in human cancers have brought new opportunities to target CSCs and reframe cancer-targeting strategies in clinical settings...
November 2017: Trends in Cancer
https://www.readbyqxmd.com/read/29113148/role-of-galectins-in-lung-cancer
#8
Wei-An Chang, Ming-Ju Tsai, Po-Lin Kuo, Jen-Yu Hung
Lung cancer is the leading cause of cancer-associated mortality worldwide and is also associated with a poor prognosis. As in numerous other types of cancer, galectins have been demonstrated to be involved in the progression of lung cancer. Galectins belong to a superfamily of lectins, which are carbohydrate-binding proteins. There are at least 15 members in the galectin family, however, only galectin-1, -2, -3, -4, -7, -8, -9, -10, -12, and -13 are found in humans. Galectins are able to mediate interactions between cells, including homotypic and heterotypic interactions; they also facilitate the bindings between cells and extracellular matrix components...
November 2017: Oncology Letters
https://www.readbyqxmd.com/read/29109725/early-events-of-the-reaction-elicited-by-csf-470-melanoma-vaccine-plus-adjuvants-an-in-vitro-analysis-of-immune-recruitment-and-cytokine-release
#9
María B Pampena, María M Barrio, Estefanía P Juliá, Paula A Blanco, Erika M von Euw, José Mordoh, Estrella Mariel Levy
In a previous work, we showed that CSF-470 vaccine plus bacillus Calmette-Guerin (BCG) and granulocyte macrophage colony-stimulating factor (GM-CSF) as adjuvants resulted in a significant benefit in the distant metastasis-free survival when comparing vaccinated vs. IFN-α2b-treated high-risk cutaneous melanoma patients in a Phase II study. Immune monitoring demonstrated an increase in anti-tumor innate and adaptive immunities of vaccinated patients, with a striking increase in IFN-γ secreting lymphocytes specific for melanoma antigens (Ags)...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/29106804/targeting-rage-signaling-in-inflammatory-disease
#10
Barry I Hudson, Marc E Lippman
The receptor for advanced glycation end-products (RAGE) is a multiligand pattern recognition receptor implicated in diverse chronic inflammatory states. RAGE binds and mediates the cellular response to a range of damage-associated molecular pattern molecules (DAMPs) including AGEs, HMGB1, S100s, and DNA. RAGE can also act as an innate immune sensor of microbial pathogen-associated molecular pattern molecules (PAMPs) including bacterial endotoxin, respiratory viruses, and microbial DNA. RAGE is expressed at low levels under normal physiology, but it is highly upregulated under chronic inflammation because of the accumulation of various RAGE ligands...
November 6, 2017: Annual Review of Medicine
https://www.readbyqxmd.com/read/29103968/anti-pd-l1-tgf%C3%AE-r2-m7824-fusion-protein-induces-immunogenic-modulation-of-human-urothelial-carcinoma-cell-lines-rendering-them-more-susceptible-to-immune-mediated-recognition-and-lysis
#11
Italia Grenga, Renee N Donahue, Morgan L Gargulak, Lauren M Lepone, Mario Roselli, Marijo Bilusic, Jeffrey Schlom
BACKGROUND: Avelumab has recently been approved by the Food and Drug Administration for the therapy of Merkel cell carcinoma and urothelial carcinoma. M7824 is a novel first-in-class bifunctional fusion protein comprising a monoclonal antibody against programmed death-ligand 1 (PD-L1, avelumab), fused to the extracellular domain of human transforming growth factor beta (TGFβ) receptor 2, which functions as a TGFβ "trap." Advanced urothelial tumors have been shown to express TGFβ, which possesses immunosuppressive properties that promote cancer progression and metastasis...
November 2, 2017: Urologic Oncology
https://www.readbyqxmd.com/read/29095280/primary-hypothyroidism-and-isolated-acth-deficiency-induced-by-nivolumab-therapy-case-report-and-review
#12
REVIEW
Mei Fang Zeng, Li Chen, Hong Ying Ye, Wei Gong, Li Nuo Zhou, Yi Ming Li, Xiao Long Zhao
RATIONALE: Nivolumab is a monoclonal IgG antibody blocking programmed death receptor-1 (PD1), leading to restoration of the natural T-cell-mediated immune response against the cancer cells. However, it also causes plenty of autoimmune-related adverse events, which often involves endocrine system. PATIENT CONCERNS: A 54-year-old male with renal clear cell carcinoma was treated with nivolumab intravenously. Routine monitoring showed elevated thyroid-stimulating hormone and low free thyroxine after the 6th administration of nivolumab...
November 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29072292/il-1r8-is-a-checkpoint-in-nk-cells-regulating-anti-tumour-and-anti-viral-activity
#13
Martina Molgora, Eduardo Bonavita, Andrea Ponzetta, Federica Riva, Marialuisa Barbagallo, Sébastien Jaillon, Branka Popović, Giovanni Bernardini, Elena Magrini, Francesca Gianni, Santiago Zelenay, Stipan Jonjić, Angela Santoni, Cecilia Garlanda, Alberto Mantovani
Interleukin-1 receptor 8 (IL-1R8, also known as single immunoglobulin IL-1R-related receptor, SIGIRR, or TIR8) is a member of the IL-1 receptor (ILR) family with distinct structural and functional characteristics, acting as a negative regulator of ILR and Toll-like receptor (TLR) downstream signalling pathways and inflammation. Natural killer (NK) cells are innate lymphoid cells which mediate resistance against pathogens and contribute to the activation and orientation of adaptive immune responses. NK cells mediate resistance against haematopoietic neoplasms but are generally considered to play a minor role in solid tumour carcinogenesis...
November 2, 2017: Nature
https://www.readbyqxmd.com/read/29069761/myeloid-specific-genetic-ablation-of-atp-binding-cassette-transporter-abca1-is-protective-against-cancer
#14
Maryam Zamanian-Daryoush, Daniel J Lindner, Joseph A DiDonato, Matthew Wagner, Jennifer Buffa, Patricia Rayman, John S Parks, Marit Westerterp, Alan R Tall, Stanley L Hazen
Increased circulating levels of apolipoprotein A-I (apoA-I), the major protein of high-density lipoprotein (HDL), by genetic manipulation or infusion, protects against melanoma growth and metastasis. Herein, we explored potential roles in melanoma tumorigenesis for host scavenger receptor class B, type 1 (SR-B1), and ATP-binding cassette transporters A1 (ABCA1) and G1 (ABCG1), all mediators of apoA-I and HDL sterol and lipid transport function. In a syngeneic murine melanoma tumor model, B16F10, mice with global deletion of SR-B1 expression exhibited increased plasma HDL cholesterol (HDLc) levels and decreased tumor volume, indicating host SR-B1 does not directly contribute to HDL-associated anti-tumor activity...
September 22, 2017: Oncotarget
https://www.readbyqxmd.com/read/29063902/tumor-associated-macrophages-angiogenesis-and-tumor-cell-migration-in-oral-squamous-cell-carcinoma
#15
Samuel E Udeabor, Akinyele O Adisa, Anna Orlowska, Robert A Sader, Shahram Ghanaati
OBJECTIVE: To investigate the relationship between tumor-associated macrophages (TAMs), neovascularization, and tumor cell migration in oral squamous cell carcinoma (OSCC) of an African subpopulation. MATERIALS AND METHODS: Twenty OSCC paraffin blocks underwent immunohistochemistry to TAM1 (CCR7), TAM2 (CD206), Twist, E-cadherin, N-cadherin, and CD34. The relative percentage of CCR7 + and CD206 + cells to overall immune cell population was calculated for three high power fields and an average was taken...
October 2017: Annals of African Medicine
https://www.readbyqxmd.com/read/29042417/restoration-of-natural-killer-cell-anti-metastatic-activity-by-il-12-and-checkpoint-blockade
#16
Isabel Ohs, Laura Ducimetiere, Joana Marinho, Paulina Kulig, Burkhard Becher, Sonia Tugues
Immune checkpoint therapies target tumor antigen-specific T cells, but less is known about their effects on natural killer (NK) cells, which help control metastasis. In studying the development of lung metastases, we found that NK cells lose their cytotoxic capacity and acquire a molecular signature defined by the expression of co-inhibitory receptors. In an effort to overcome this suppressive mechanism, we evaluated NK cell responses to the immunostimulatory cytokine IL-12. Exposure to IL-12 rescued the cytotoxicity of NK cells but also led to the emergence of an immature NK cell population which expressed high levels of the co-inhibitory molecules PD-1, Lag-3 and TIGIT, thereby limiting NK cell-mediated control of pulmonary metastases...
October 17, 2017: Cancer Research
https://www.readbyqxmd.com/read/29042024/the-role-of-the-ltb4-blt1-axis-in-chemotactic-gradient-sensing-and-directed-leukocyte-migration
#17
REVIEW
Bhagawat C Subramanian, Ritankar Majumdar, Carole A Parent
Directed leukocyte migration is a hallmark of inflammatory immune responses. Leukotrienes are derived from arachidonic acid and represent a class of potent lipid mediators of leukocyte migration. In this review, we summarize the essential steps leading to the production of LTB4 in leukocytes. We discuss the recent findings on the exosomal packaging and transport of LTB4 in the context of chemotactic gradients formation and regulation of leukocyte recruitment. We also discuss the dynamic roles of the LTB4 receptors, BLT1 and BLT2, in mediating chemotactic signaling in leukocytes and contrast them to other structurally related leukotrienes that bind to distinct GPCRs...
October 2017: Seminars in Immunology
https://www.readbyqxmd.com/read/29033813/recurrence-of-melanoma-after-starting-apremilast-for-psoriasis
#18
Thomas G Salopek
This is a report on a 32-year-old man with a history of two previous melanomas with concurrent plaque-type psoriasis. His history dates to 2009, when he was diagnosed with his first melanoma on the right occiput, Clark's level IV, tumor thickness 1.53 mm, nonulcerated, mitotic index 1/mm(2). He subsequently developed nodal recurrence after an initial negative sentinel lymph node biopsy and was treated with complete lymph node dissection. In 2012, he was diagnosed with a second primary melanoma on the right upper chest, Clark's level IV, tumor thickness 0...
May 2017: Case Reports in Dermatology
https://www.readbyqxmd.com/read/29027225/necroptotic-cell-death-in-anti-cancer-therapy
#19
REVIEW
Olga Krysko, Tania Løve Aaes, Valerian E Kagan, Katharina D'Herde, Claus Bachert, Luc Leybaert, Peter Vandenabeele, Dmitri V Krysko
Necroptosis is one the best-characterized forms of regulated necrosis. Necroptosis is mediated by the kinase activities of receptor interacting protein kinase-1 and receptor interacting protein kinase-3, which eventually lead to the activation of mixed lineage kinase domain-like. Necroptosis is characterized by rapid permeabilization of the plasma membrane, which is associated with the release of the cell content and subsequent exposure of damage-associated molecular patterns (DAMPs) and cytokines/chemokines...
November 2017: Immunological Reviews
https://www.readbyqxmd.com/read/29026308/role-of-poly-%C3%AE%C2%B5-caprolactone-lipid-core-nanocapsules-on-melanoma-neutrophil-crosstalk
#20
Carine C Drewes, Aline de Cs Alves, Cristina B Hebeda, Isabela Copetti, Silvana Sandri, Mayara K Uchiyama, Koiti Araki, Silvia S Guterres, Adriana R Pohlmann, Sandra H Farsky
Metastatic melanoma is an aggressive cancer with increasing incidence and limited therapies in advanced stages. Systemic neutrophilia or abundant neutrophils in the tumor contribute toward its worst prognosis, and the interplay of cancer and the immune system has been shown in tumor development and metastasis. We recently showed the in vivo efficacy of poly(ε-caprolactone) lipid-core nanocapsule (LNC) or LNC loaded with acetyleugenol (AcE-LNC) to treat B16F10-induced melanoma in mice. In this study, we investigated whether LNC or AcE-LNC toxicity could involve modifications on crosstalk of melanoma cells and neutrophils...
2017: International Journal of Nanomedicine
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