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https://www.readbyqxmd.com/read/29768880/tio%C3%A2-nps-induce-dna-damage-in-lymphocytes-from-healthy-individuals-and-patients-with-respiratory-diseases-an-ex-vivo-in-vitro-study
#1
Ilham F Osman, Mojgan Najafzadeh, Vyom Sharma, Ritesh K Shukla, B K Jacob, Alok Dhawan, D Anderson
Little is known of the effects of nanoparticles in human systems, let alone in diseased individuals and nanotechnology has preceded nanotoxicology. Therefore, the effects of titanium dioxide (TiO2) nanoparticles in peripheral blood lymphocytes from patients with respiratory diseases [lung cancer, chronic obstructive pulmonary disease (COPD) and asthma] were compared with those in healthy Individuals, to determine differences in sensitivity to nanochemical insult. The Comet assay was performed according to recommended guidelines...
January 1, 2018: Journal of Nanoscience and Nanotechnology
https://www.readbyqxmd.com/read/29766456/prognostic-role-for-the-derived-neutrophil-to-lymphocyte-ratio-in-early-breast-cancer-a-geicam-9906-substudy
#2
A J Templeton, Á Rodríguez-Lescure, A Ruíz, E Alba, L Calvo, M Ruíz-Borrego, A Santaballa, C A Rodríguez, C Crespo, M Ramos, J M Gracia-Marco, A Lluch, I Álvarez, M I Casas, M Sánchez-Aragó, R Caballero, E Carrasco, E Amir, M Martin, A Ocaña
PURPOSE: Elevated markers of host inflammation, a hallmark of cancer, have been associated with worse outcomes in several solid tumors. Here, we explore the prognostic role of the derived neutrophil-to-lymphocyte ratio (dNLR), across different tumor subtypes, in patients with early breast cancer. PATIENTS AND METHODS: This was a retrospective analysis of 1246 patients with lymph node-positive, operable early breast cancer enrolled in the GEICAM/9906 trial, a multicenter randomized phase 3 study evaluating adjuvant chemotherapy...
May 15, 2018: Clinical & Translational Oncology
https://www.readbyqxmd.com/read/29766362/exploration-of-tumour-infiltrating-lymphocytes-as-a-predictive-biomarker-for-adjuvant-endocrine-therapy-in-early-breast-cancer
#3
Erik J Blok, Charla C Engels, Geeske Dekker-Ensink, Elma Meershoek-Klein Kranenbarg, Hein Putter, Vincent T H B M Smit, Gerrit-Jan Liefers, James P Morden, Judith M Bliss, R Charles Coombes, John M S Bartlett, Judith R Kroep, Cornelis J H van de Velde, Peter J K Kuppen
PURPOSE: Tumour-infiltrating lymphocytes (TILs) have been shown to be prognostic for disease-free survival and predictive for the benefit of chemotherapy in patients with early breast cancer, but have not been studied for endocrine therapy. EXPERIMENTAL DESIGN: The number of CD8-positive TILs was assessed in a subcohort of 236 patients in the Intergroup Exemestane Study. AQ After 2-3 years of adjuvant tamoxifen, AQpatients were randomized between the schemes of continuation for 5 years on tamoxifen and switching to exemestane...
May 15, 2018: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/29765252/triple-negative-and-her2-overexpressing-breast-cancer-cell-sialylation-impacts-tumor-microenvironment-t-lymphocyte-subset-recruitment-a-possible-mechanism-of-tumor-escape
#4
Christian Garbar, Corinne Mascaux, Yacine Merrouche, Armand Bensussan
Introduction: Breast cancers develop different patterns of sialylation to modulate their tumor-infiltrating lymphocyte (TIL) environment. We studied the relationship between α-2,6 sialyltransferases and the TIL in different breast cancer molecular subgroups. Materials and methods: Immunohistochemical preparations were made from 39 luminal (LUM), 13 human epidermal growth factor receptor 2-overexpressing (HER2) and 47 triple-negative (TN) breast carcinomas. Targeted proteins included ST6Gal-I, ST6Gal-II, ST6GalNac-I, CD8, CD4 and granzyme-B in both cytotoxic T lymphocytes and NK lymphocytes (CTL/NK)...
2018: Cancer Management and Research
https://www.readbyqxmd.com/read/29763380/angiogenin-and-the-mmp9-timp2-axis-are-up-regulated-in-proangiogenic-decidual-nk-like-cells-from-patients-with-colorectal-cancer
#5
Antonino Bruno, Barbara Bassani, Davide Giuseppe D'Urso, Ilvana Pitaku, Elisa Cassinotti, Giuseppe Pelosi, Luigi Boni, Lorenzo Dominioni, Douglas M Noonan, Lorenzo Mortara, Adriana Albini
NK cells are effector lymphocytes involved in tumor immunosurveillance; however, in patients with solid malignancies, NK cells have compromised functions. We have previously reported that lung tumor-associated NK cells (TANKs; peripheral blood) and tumor-infiltrating NK cells (TINKs) show proangiogenic, decidual NK-like (dNK) phenotype. In this study, we functionally and molecularly investigated TINKs and TANKs from blood and tissue samples of patients with colorectal cancer (CRC), a neoplasm in which inflammation and angiogenesis have clinical relevance, and compared them to NK cells from controls and patients with nononcologic inflammatory bowel disease...
May 15, 2018: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
https://www.readbyqxmd.com/read/29762141/pd-1-expression-in-chronic-lymphocytic-leukemia-small-lymphocytic-lymphoma-cll-sll-and-large-b-cell-richter-transformation-dlbcl-rt-a-characteristic-feature-of-dlbcl-rt-and-potential-surrogate-marker-for-clonal-relatedness
#6
Rong He, Wei Ding, David S Viswanatha, Dong Chen, Min Shi, Daniel Van Dyke, Shulan Tian, Linda N Dao, Sameer A Parikh, Tait D Shanafelt, Timothy G Call, Stephen M Ansell, Jose F Leis, Ming Mai, Curtis A Hanson, Karen L Rech
Chronic lymphocytic leukemia/small lymphocytic lymphoma (CLL/SLL) is a low-grade B-cell neoplasm and ∼2% to 9% patients develop an aggressive lymphoma, most commonly diffuse large B-cell lymphoma (Richter transformation, DLBCL-RT). Programmed death-1 (PD-1) pathway plays a crucial role in tumor host immunity evasion and its blockade has emerged as an effective anti-cancer immunotherapy. PD-L1 and PD-1 expression has shown predictive value in anti-PD cancer immunotherapy; however, it has not been well documented in CLL/SLL and DLBCL-RT...
May 14, 2018: American Journal of Surgical Pathology
https://www.readbyqxmd.com/read/29761860/hypermethylation-of-cpg-islands-is-associated-with-increasing-chromosomal-damage-in-chinese-lead-exposed-workers
#7
Li-Bo Yu, Yu-Ting Tu, Jing-Wen Huang, Ya-Nan Zhang, Guo-Qiao Zheng, Xiao-Wen Xu, Jin-Wei Wang, Jean Qin Xiao, David C Christiani, Zhao-Lin Xia
Lead is a widely existing environmental pollutant with potential carcinogenicity. To investigate the association of blood lead level (B-Pb) with potential chromosomal damage and cancer, we analyzed micronucleus (MN) frequency of peripheral blood lymphocytes (PBLs) and the methylation status of six human tumor suppressor genes (TSGs) post lead exposure. In the study, 147 lead-exposed workers were divided into two groups according to their B-Pb P50 value, with other 50 lead-unexposed workers as a control group...
May 15, 2018: Environmental and Molecular Mutagenesis
https://www.readbyqxmd.com/read/29760047/nanoparticles-that-reshape-the-tumor-milieu-create-a-therapeutic-window-for-effective-t-cell-therapy-in-solid-malignancies
#8
Fan Zhang, Sirkka B Stephan, Chibawanye I Ene, Tyrel T Smith, Eric C Holland, Matthias T Stephan
A major obstacle to the success rate of chimeric antigen receptor (CAR-) T cell therapy against solid tumors is the microenvironment antagonistic to T cells that solid tumors create. Conventional checkpoint blockade can silence lymphocyte anti-survival pathways activated by tumors, but because they are systemic, these treatments disrupt immune homeostasis and induce autoimmune side effects. Thus, new technologies are required to remodel the tumor milieu without causing systemic toxicities. Here we demonstrate that targeted nanocarriers that deliver a combination of immune-modulatory agents can remove pro-tumor cell populations and simultaneously stimulate anti-tumor effector cells...
May 14, 2018: Cancer Research
https://www.readbyqxmd.com/read/29757455/cells-cytokines-chemokines-and-cancer-stress-a-biobehavioral-study-of-patients-with-chronic-lymphocytic-leukemia
#9
Barbara L Andersen, Neha Godiwala Goyal, David M Weiss, Travis D Westbrook, Kami J Maddocks, John C Byrd, Amy J Johnson
BACKGROUND: Chronic lymphocytic leukemia (CLL) is the most prevalent adult leukemia, with profound disease-related cellular, humoral, and innate immune suppression. The objective of this study was to study the correlations between stress and disease-specific, negative prognostic cellular, cytokine, and chemokine markers in patients with CLL. METHODS: A single-group, observational design was used. Patients with relapsed/refractory CLL (N = 96) who were entering a phase 2 trial of an experimental therapy (ibrutinib) were studied...
May 14, 2018: Cancer
https://www.readbyqxmd.com/read/29755462/comparison-of-phenotypic-and-functional-characteristics-between-canine-non-b-non-t-natural-killer-lymphocytes-and-cd3-cd5-dim-cd21-cytotoxic-large-granular-lymphocytes
#10
Soo-Hyeon Lee, Dong-Jun Shin, Yoseop Kim, Cheol-Jung Kim, Je-Jung Lee, Mee Sun Yoon, Tung Nguyen Thanh Uong, Dohyeon Yu, Ji-Youn Jung, Duck Cho, Bock-Gie Jung, Sang-Ki Kim, Guk-Hyun Suh
Natural killer (NK) cells play a pivotal role in the immune response against infections and malignant transformation, and adopted transfer of NK cells is thought to be a promising therapeutic approach for cancer patients. Previous reports describing the phenotypic features of canine NK cells have produced inconsistent results. Canine NK cells are still defined as non-B and non-T (CD3- CD21- ) large granular lymphocytes. However, a few reports have demonstrated that canine NK cells share the phenotypic characteristics of T lymphocytes, and that CD3+ CD5dim CD21- lymphocytes are putative canine NK cells...
2018: Frontiers in Immunology
https://www.readbyqxmd.com/read/29754852/predictors-of-survival-after-yttrium-90-radioembolization-for-colorectal-cancer-liver-metastases
#11
Ashley A Weiner, Bin Gui, Neil B Newman, John L Nosher, Fady Yousseff, Shou-En Lu, Gretchen M Foltz, Darren Carpizo, Jonathan Lowenthal, Darryl A Zuckerman, Ben Benson, Jeffrey R Olsen, Salma K Jabbour, Parag J Parikh
PURPOSE: To identify clinical parameters that are prognostic for improved overall survival (OS) after yttrium-90 radioembolization (RE) in patients with liver metastases from colorectal cancer (CRC). MATERIALS AND METHODS: A total of 131 patients who underwent RE for liver metastases from CRC, treated at 2 academic centers, were reviewed. Twenty-one baseline pretreatment clinical factors were analyzed in relation to OS by the Kaplan-Meier method along with log-rank tests and univariate and multivariate Cox regression analyses...
May 10, 2018: Journal of Vascular and Interventional Radiology: JVIR
https://www.readbyqxmd.com/read/29754820/interfaces-of-malignant-and-immunologic-clonal-dynamics-in-ovarian-cancer
#12
Allen W Zhang, Andrew McPherson, Katy Milne, David R Kroeger, Phineas T Hamilton, Alex Miranda, Tyler Funnell, Nicole Little, Camila P E de Souza, Sonya Laan, Stacey LeDoux, Dawn R Cochrane, Jamie L P Lim, Winnie Yang, Andrew Roth, Maia A Smith, Julie Ho, Kane Tse, Thomas Zeng, Inna Shlafman, Michael R Mayo, Richard Moore, Henrik Failmezger, Andreas Heindl, Yi Kan Wang, Ali Bashashati, Diljot S Grewal, Scott D Brown, Daniel Lai, Adrian N C Wan, Cydney B Nielsen, Curtis Huebner, Basile Tessier-Cloutier, Michael S Anglesio, Alexandre Bouchard-Côté, Yinyin Yuan, Wyeth W Wasserman, C Blake Gilks, Anthony N Karnezis, Samuel Aparicio, Jessica N McAlpine, David G Huntsman, Robert A Holt, Brad H Nelson, Sohrab P Shah
High-grade serous ovarian cancer (HGSC) exhibits extensive malignant clonal diversity with widespread but non-random patterns of disease dissemination. We investigated whether local immune microenvironment factors shape tumor progression properties at the interface of tumor-infiltrating lymphocytes (TILs) and cancer cells. Through multi-region study of 212 samples from 38 patients with whole-genome sequencing, immunohistochemistry, histologic image analysis, gene expression profiling, and T and B cell receptor sequencing, we identified three immunologic subtypes across samples and extensive within-patient diversity...
May 7, 2018: Cell
https://www.readbyqxmd.com/read/29754071/aging-increases-susceptibility-to-ovarian-cancer-metastasis-in-murine-allograft-models-and-alters-immune-composition-of-peritoneal-adipose-tissue
#13
Elizabeth A Loughran, Annemarie K Leonard, Tyvette S Hilliard, Ryan C Phan, Madeleine G Yemc, Elizabeth Harper, Emma Sheedy, Yuliya Klymenko, Marwa Asem, Yueying Liu, Jing Yang, Jeff Johnson, Laura Tarwater, Zonggao Shi, Matthew Leevy, Matthew J Ravosa, M Sharon Stack
Ovarian cancer, the most deadly gynecological malignancy in U.S. women, metastasizes uniquely, spreading through the peritoneal cavity and often generating widespread metastatic sites before diagnosis. The vast majority of ovarian cancer cases occur in women over 40 and the median age at diagnosis is 63. Additionally, elderly women receive poorer prognoses when diagnosed with ovarian cancer. Despite age being a significant risk factor for the development of this cancer, there are little published data which address the impact of aging on ovarian cancer metastasis...
May 10, 2018: Neoplasia: An International Journal for Oncology Research
https://www.readbyqxmd.com/read/29748898/cystatin-f-as-a-regulator-of-immune-cell-cytotoxicity
#14
REVIEW
Janko Kos, Milica Perišić Nanut, Mateja Prunk, Jerica Sabotič, Esmeralda Dautović, Anahid Jewett
Cysteine cathepsins are lysosomal peptidases involved in the regulation of innate and adaptive immune responses. Among the diverse processes, regulation of granule-dependent cytotoxicity of cytotoxic T-lymphocytes (CTLs) and natural killer (NK) cells during cancer progression has recently gained significant attention. The function of cysteine cathepsins is regulated by endogenous cysteine protease inhibitors-cystatins. Whereas other cystatins are generally cytosolic or extracellular proteins, cystatin F is present in endosomes and lysosomes and is thus able to regulate the activity of its target directly...
May 10, 2018: Cancer Immunology, Immunotherapy: CII
https://www.readbyqxmd.com/read/29748021/egfr-tkis-plus-chemotherapy-demonstrated-superior-efficacy-than-egfr-tkis-alone-as-first-line-setting-in-advanced-nsclc-patients-with-egfr-mutation-and-bim-deletion-polymorphism
#15
Sangtian Liu, Yayi He, Tao Jiang, Shengxiang Ren, Fei Zhou, Chao Zhao, Xuefei Li, Jie Zhang, Chunxia Su, Xiaoxia Chen, Weijing Cai, Guanghui Gao, Wei Li, Fengying Wu, Jiayu Li, Jing Zhao, Qiong Hu, Mingchuan Zhao, Caicun Zhou, Fred R Hirsch
BACKGROUND: Non-small-cell lung cancer (NSCLC) patients with both epidermal growth factor receptor (EGFR) positive mutation and B-cell chronic lymphocytic leukemia/lymphoma-like 11 (BIM) deletion polymorphism had a poor clinical response to EGFR-tyrosine kinase inhibitors (TKIs). The current study aimed to investigate the clinical efficacy and tolerability of EGFR-TKIs plus chemotherapy versus EGFR-TKIs alone as first-line treatment in advanced NSCLC patients with EGFR mutations and BIM deletion polymorphism...
June 2018: Lung Cancer: Journal of the International Association for the Study of Lung Cancer
https://www.readbyqxmd.com/read/29747314/-prognostic-significance-of-inflammatory-indicators-for-advanced-stage-diffuse-large-b-cell-lymphoma
#16
Y Han, Y Qin, X H He, J L Yang, P Liu, C G Zhang, L Q Zhou, S Y Zhou, L Gui, Y Sun, Y K Shi
Objective: To explore the prognostic significance of inflammatory indicator, neutrophil to lymphocyte ratio (NLR) and platelet to lymphocyte ratio (PLR), for advanced-stage diffuse large B-cell lymphoma (DLBCL). Methods: The data of advanced stage DLBCL cases was retrospectively collected, and all the patients were seen from January 2006 to December 2012 in National Cancer Center/Cancer Hospital, Chinese Academy of Medical Sciences. The patients were divided into the low NLR group (≤5∶1) and the high NLR group (>5∶1); the low PLR group (≤300∶1) and the high PLR group (>300∶1)...
April 24, 2018: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/29745928/cancer-immunotherapy-and-the-pd-1-pd-l1-checkpoint-pathway
#17
Jonathan Barclay, Joanne Creswell, Juan León
Long-term survival for patients with advanced bladder cancer is precarious, with a 5-year survival of just 5% in metastatic cases. Normally, the binding of PD-L1 to PD-1 alters the immune activity by modulating it to inhibit autoimmune diseases or chronic inflammation. However, some cancers use this route to block the immune response of the patient and continue growing. The new immunotherapy against bladder cancer aims to block the ability of tumor cells to resist patient' immune response by acting on the checkpoints of immune cells...
May 2018: Archivos Españoles de Urología
https://www.readbyqxmd.com/read/29743561/leukaemic-alterations-of-ikzf1-prime-stemness-and-malignancy-programs-in-human-lymphocytes
#18
Zhen Li, Shui-Ping Li, Ruo-Yan Li, Hua Zhu, Xia Liu, Xiao-Lin Guo, Li-Li Mu, Jie-Jing Cai, Fan Bai, Guo-Qiang Chen, Deng-Li Hong
Somatic cells acquire stem cell-like properties during cancerous transformation; however, mechanisms through which committed cells develop stemness and malignancy remain largely unknown. Here we uncovered upregulated stem cell program in leukaemic lymphoblasts of patients with IKZF1 alterations by analysing the archived gene-expression profiling datasets. We then used a frequent IKZF1 deletion, IK6, as a model via transduction into human primitive haematopoietic cells, followed by xenotransplantation in mice...
May 9, 2018: Cell Death & Disease
https://www.readbyqxmd.com/read/29742813/mutated-cancer-autoantigen-implicated-cause-of-paraneoplastic-myasthenia-gravis
#19
Anastasia Zekeridou, Guy E Griesmann, Vanda A Lennon
INTRODUCTION: Anti-tumor immune responses are postulated to initiate paraneoplastic neurological disorders when proteins normally restricted to neural cells are expressed as oncoproteins. Mutated oncopeptides could bypass self-tolerant T-cells to activate cytotoxic effector T-lymphocytes and requisite helper T-lymphocytes to stimulate autoantibody production by B-lymphocytes. METHODS: We investigated muscle-type nicotinic acetylcholine receptor (AChR) antigen expression at transcriptional and protein levels in a small-cell lung cancer line (SCLC) established from a patient with AChR-IgG-positive myasthenia gravis...
May 9, 2018: Muscle & Nerve
https://www.readbyqxmd.com/read/29742730/il-35-producing-b-cells-in-gastric-cancer-patients
#20
Ke Wang, Jianming Liu, Jiansheng Li
A significant characteristic of advanced gastric cancer (GC) is immune suppression, which can promote the progression of GC. Interleukin 35 (IL-35) is an immune-suppressing cytokine, and it is generally recognized that this cytokine is secreted by regulatory T (Treg) cells. Recently, studies have found that IL-35 can also be produced by B cells in mice. However, scientific studies reporting that IL-35 is secreted by B cells in humans, specifically in cancer patients, are very rare.Blood samples were collected from 30 healthy controls (HCs) and 50 untreated GC patients, and IL-35-producing B cells in the peripheral blood were investigated...
May 2018: Medicine (Baltimore)
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