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https://www.readbyqxmd.com/read/28229276/effects-of-chlorella-vulgaris-on-tumor-growth-in-mammary-tumor-bearing-balb-c-mice-discussing-association-of-an-immune-suppressed-protumor-microenvironment-with-serum-ifn%C3%AE-and-igg-decrease-and-spleen-igg-potentiation
#1
Ahad Khalilnezhad, Elham Mahmoudian, Nariman Mosaffa, Ali Anissian, Mohsen Rashidi, Davar Amani
PURPOSE: Chlorella vulgaris (CV) has exhibited immune-enhancing and protective activities against cancer and infections. However, there is an increasing concern about the use of Chlorella species in human, regarding its various molecules with antigenic features found in infectious microorganisms. Our goal was to investigate the impact of higher concentrations of CV on tumor growth in spontaneous mouse mammary tumor (SMMT) models. METHODS: Balb/c mice were daily given CV powder at doses of 0, 200, or 300 mg/kg for 42 days (CONTROL, CV200, and CV300 groups, respectively; n = 6/group)...
February 22, 2017: European Journal of Nutrition
https://www.readbyqxmd.com/read/28228044/withaferin-a-protects-against-spinal-cord-injury-by-inhibiting-apoptosis-and-inflammation-in-mice
#2
Xianlei Yan, Guangxiang Huang, Quan Liu, Jiemin Zheng, Hongmou Chen, Qidan Huang, Jiakang Chen, Heqing Huang
CONTEXT: Withaferin A (WFA) exhibits diverse pharmaceutical applications on human diseases, including rheumatoid arthritis, cancers and microbial infection. OBJECTIVE: We evaluated the neuroprotective role of WFA using a mouse model of spinal cord injury (SCI). MATERIALS AND METHODS: BALB/c mice were administrated 10 mg/kg of WFA. Gene expression was measured by real-time PCR, western blot and immunohistochemistry. Cell morphology and apoptosis were determined by H&E staining and TUNEL assay...
December 2017: Pharmaceutical Biology
https://www.readbyqxmd.com/read/28223726/dendritic-cells-engineered-to-secrete-anti-dcr3-antibody-augment-cytotoxic-t-lymphocyte-response-against-pancreatic-cancer-in-vitro
#3
Jiang Chen, Xiao-Zhong Guo, Hong-Yu Li, Jia-Jun Zhao, Wen-Da Xu
AIM: To investigate the enhanced cytotoxic T lymphocyte responses against pancreatic cancer (PC) in vitro induced by dendritic cells (DCs) engineered to secrete anti-DcR3 monoclonal antibody (mAb). METHODS: DCs, T lymphocytes and primary PC cells were obtained from PC patients. DCs were transfected with a designed humanized anti-DcR3 monoclonal antibody heavy and light chain mRNA and/or total tumor RNA (DC-tumor-anti-DcR3 RNA or DC-total tumor RNA) by using electroporation technology...
February 7, 2017: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/28218804/detection-of-lunasin-in-quinoa-chenopodium-quinoa-willd-and-the-in-vitro-evaluation-of-its-antioxidant-and-anti-inflammatory-activities
#4
Guixing Ren, Yingying Zhu, Zhenxing Shi
BACKGROUND: Lunasin is a novel cancer preventive peptide that has been detected in various plants. However, the presence and bioactivity of lunasin in quinoa has not been demonstrated. RESULTS: Lunasin was detected in quinoa using UPLC-ESI-MS. The content in fifteen quinoa samples ranged from 1.01 × 10(-3) g kg(-1) dry seed to 4.89 × 10(-3) g kg(-1) dry seed. Significant differences (p<0.05) in lunasin content among different cultivars (yy22, xsg86, xsg59, yy30 and yy19) from the same area and the same cultivar from different areas (Hainan, Hebei and Shanxi provinces) were observed...
February 20, 2017: Journal of the Science of Food and Agriculture
https://www.readbyqxmd.com/read/28217371/pathogenic-mechanisms-of-pancreatitis
#5
REVIEW
Murli Manohar, Alok Kumar Verma, Sathisha Upparahalli Venkateshaiah, Nathan L Sanders, Anil Mishra
Pancreatitis is inflammation of pancreas and caused by a number of factors including pancreatic duct obstruction, alcoholism, and mutation in the cationic trypsinogen gene. Pancreatitis is represented as acute pancreatitis with acute inflammatory responses and; chronic pancreatitis characterized by marked stroma formation with a high number of infiltrating granulocytes (such as neutrophils, eosinophils), monocytes, macrophages and pancreatic stellate cells (PSCs). These inflammatory cells are known to play a central role in initiating and promoting inflammation including pancreatic fibrosis, i...
February 6, 2017: World Journal of Gastrointestinal Pharmacology and Therapeutics
https://www.readbyqxmd.com/read/28216277/comparison-of-oncologic-outcomes-and-complications-according-to-surgical-approach-to-radical-prostatectomy-special-focus-on-the-perineal-approach
#6
Wan Song, Joon Hyung Park, Hwang Gyun Jeon, Byong Chang Jeong, Seong Il Seo, Seong Soo Jeon, Hyun Moo Lee, Han Yong Choi
INTRODUCTION: The objective of the study was to compare oncologic outcomes and complications in patients with prostate cancer who underwent radical perineal prostatectomy (RPP), radical retropubic prostatectomy (RRP), laparoscopic radical prostatectomy (LRP), or robotic-assisted radical prostatectomy (RARP). MATERIALS AND METHODS: We retrospectively reviewed 2617 patients who underwent RPP (n = 673), RRP (n = 396), LRP (n = 223), or RARP (n = 1325) between 1995 and 2013...
February 1, 2017: Clinical Genitourinary Cancer
https://www.readbyqxmd.com/read/28214485/outcome-of-peripheral-venous-reconstructions-during-tumor-resection
#7
Philip Y Sun, Mark D Fleming, Kendall Stauffer, Manju Kalra, Gustavo Oderich, Thomas Bower, Peter Gloviczki, Randall R DeMartino
OBJECTIVE: Peripheral venous reconstruction surgery may be necessary for appropriate oncologic resection; however, the operative approach and surgical outcomes are not well described. We report our experience with these complex reconstructions to identify best practice. METHODS: We retrospectively reviewed all adult patients who underwent peripheral vein reconstruction for tumor resection at Mayo Clinic, Rochester (2000-2015). Patients were classified into three subgroups by the location: iliac (IL), lower extremity (LE), and upper extremity (UE)...
March 2017: Journal of Vascular Surgery. Venous and Lymphatic Disorders
https://www.readbyqxmd.com/read/28212885/epinephrine-promotes-cox-2-dependent-immune-suppression-in-myeloid-cells-and-cancer-tissues
#8
Ravikumar Muthuswamy, Nana J Okada, Frank J Jenkins, Kandace McGuire, Priscilla F McAuliffe, Herbert J Zeh, David L Bartlett, Callen Wallace, Simon Watkins, Jill D Henning, Dana H Bovbjerg, Pawel Kalinski
Activation of the sympathetic nervous system (e.g., due to stress) has been implicated in cancer progression and recurrence, but its cancer-promoting effects have been variable between different studies. Here, we report that although catecholamines, mediators of systemic sympathetic activity, display only weak immunosuppressive impact on their own, their combination with inflammatory signals leads to the induction of COX-2 and multiple COX-2-dependent suppressive factors in human myeloid cells and cancer tissues...
February 14, 2017: Brain, Behavior, and Immunity
https://www.readbyqxmd.com/read/28210081/role-of-lap-cd4-t-cells-in-the-tumor-microenvironment-of-colorectal-cancer
#9
Wu Zhong, Zhi-Yuan Jiang, Lei Zhang, Jia-Hao Huang, Shi-Jun Wang, Cun Liao, Bin Cai, Li-Sheng Chen, Sen Zhang, Yun Guo, Yun-Fei Cao, Feng Gao
AIM: To investigate the abundance and potential functions of LAP(+)CD4(+) T cells in colorectal cancer (CRC). METHODS: Proportions of LAP(+)CD4(+) T cells were examined in peripheral blood and tumor/paratumor tissues of CRC patients and healthy controls using flow cytometry. Expression of phenotypic markers such as forkhead box (Fox)p3, cytotoxic T-lymphocyte-associated protein (CTLA)-4, chemokine CC receptor (CCR)4 and CCR5 was measured using flow cytometry. LAP(-)CD4(+) and LAP(+)CD4(+) T cells were isolated using a magnetic cell-sorting system and cell purity was analyzed by flow cytometry...
January 21, 2017: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/28209528/decellularized-human-colorectal-cancer-matrices-polarize-macrophages-towards-an-anti-inflammatory-phenotype-promoting-cancer-cell-invasion-via-ccl18
#10
M L Pinto, E Rios, A C Silva, S C Neves, H R Caires, A T Pinto, C Durães, F A Carvalho, A P Cardoso, N C Santos, C C Barrias, D S Nascimento, P Pinto-do-Ó, M A Barbosa, F Carneiro, M J Oliveira
Macrophages are frequently identified in solid tumors, playing important roles in cancer progression. Their remarkable plasticity makes them very sensitive to environmental factors, including the extracellular matrix (ECM). In the present work, we investigated the impact of human colorectal tumor matrices on macrophage polarization and on macrophage-mediated cancer cell invasion. Accordingly, we developed an innovative 3D-organotypic model, based on the decellularization of normal and tumor tissues derived from colorectal cancer patients' surgical resections...
February 5, 2017: Biomaterials
https://www.readbyqxmd.com/read/28209068/urinary-cytokines-chemokines-after-magnetic-resonance-guided-high-intensity-focused-ultrasound-for-palliative-treatment-of-painful-bone-metastases
#11
Ahmad Bushehri, Gregory Czarnota, Liying Zhang, Kullervo Hynynen, Yuexi Huang, Michael Chan, William Chu, Kristopher Dennis, Charles Mougenot, Jennifer Coccagna, Arjun Sahgal, Edward Chow, Carlo DeAngelis
BACKGROUND: Pain is experienced by 50-75% of patients with bone metastases, representing a major source of morbidity amongst cancer patients. Magnetic resonance-guided high intensity focused ultrasound (MRgHIFU) is a new, non-invasive, outpatient treatment modality for painful bone metastases. The aim of this study was to analyze urinary cytokines/chemokines pattern after MRgHIFU for palliative treatment of painful bone metastases. The findings were compared to the cytokines/chemokines pattern post single 8 Gy fraction radiation from our previous study...
January 2017: Annals of Palliative Medicine
https://www.readbyqxmd.com/read/28202510/myc-mediates-large-oncosome-induced-fibroblast-reprogramming-in-prostate-cancer
#12
Valentina R Minciacchi, Cristiana Spinelli, Mariana Reis-Sobreiro, Lorenzo Cavallini, Sungyong You, Mandana Zandian, Xiaohong Li, Paola Chiarugi, Rosalyn M Adam, Edwin M Posadas, Giuseppe Viglietto, Michael R Freeman, Emanuele Cocucci, Neil A Bhowmick, Dolores Di Vizio
Communication between cancer cells and the tumor microenvironment results in the modulation of complex signaling networks that facilitate tumor progression. Here we describe a new mechanism of intercellular communication originating from large oncosomes (LO), which are cancer cell-derived, atypically large (1-10 μm) extracellular vesicles (EV). We demonstrate that, in the context of prostate cancer, LO harbor sustained AKT1 kinase activity, nominating them as active signaling platforms. Active AKT1 was detected in circulating EV from the plasma of metastatic prostate cancer patients and was LO specific...
February 15, 2017: Cancer Research
https://www.readbyqxmd.com/read/28198364/interleukin-22-drives-nitric-oxide-dependent-dna-damage-and-dysplasia-in-a-murine-model-of-colitis-associated-cancer
#13
C Wang, G Gong, A Sheh, S Muthupalani, E M Bryant, D A Puglisi, H Holcombe, E A Conaway, N A P Parry, V Bakthavatchalu, S P Short, C S Williams, G N Wogan, S R Tannenbaum, J G Fox, B H Horwitz
The risk of colon cancer is increased in patients with Crohn's disease and ulcerative colitis. Inflammation-induced DNA damage could be an important link between inflammation and cancer, although the pathways that link inflammation and DNA damage are incompletely defined. RAG2-deficient mice infected with Helicobacter hepaticus (Hh) develop colitis that progresses to lower bowel cancer. This process depends on nitric oxide (NO), a molecule with known mutagenic potential. We have previously hypothesized that production of NO by macrophages could be essential for Hh-driven carcinogenesis, however, whether Hh infection induces DNA damage in this model and whether this depends on NO has not been determined...
February 15, 2017: Mucosal Immunology
https://www.readbyqxmd.com/read/28197391/high-nkg2a-expression-contributes-to-nk-cell-exhaustion-and-predicts-a-poor-prognosis-of-patients-with-liver-cancer
#14
Cheng Sun, Jing Xu, Qiang Huang, Mei Huang, Hao Wen, Chuanshan Zhang, Jinyu Wang, Jiaxi Song, Meijuan Zheng, Haoyu Sun, Haiming Wei, Weihua Xiao, Rui Sun, Zhigang Tian
Background and Aims: As the predominant lymphocyte subset in the liver, natural killer (NK) cells have been shown to be highly associated with the outcomes of patients with chronic hepatitis B virus infection (CHB) and hepatocellular carcinoma (HCC). Previously, we reported that NKG2A, a checkpoint candidate, mediates human and murine NK cell dysfunction in CHB. However, NK cell exhaustion and, particularly, the level of NKG2A expression within liver tumors have not been reported. Methods: In this study, we analyzed NKG2A expression and the related dysfunction of NK cells located in intra- or peritumor regions of liver tissue samples from 207 HCC patients, in addition to analyzing disease outcomes...
2017: Oncoimmunology
https://www.readbyqxmd.com/read/28197364/noninvasive-monitoring-of-cancer-therapy-induced-activated-t-cells-using-18-f-fb-il-2-pet-imaging
#15
S V Hartimath, O Draghiciu, S van de Wall, V Manuelli, R A J O Dierckx, H W Nijman, T Daemen, E F J de Vries
Cancer immunotherapy urgently calls for methods to monitor immune responses at the site of the cancer. Since activated T lymphocytes may serve as a hallmark for anticancer responses, we targeted these cells using the radiotracer N-(4-[(18)F]fluorobenzoyl)-interleukin-2 ([(18)F]FB-IL-2) for positron emission tomography (PET) imaging. Thus, we noninvasively monitored the effects of local tumor irradiation and/or immunization on tumor-infiltrating and systemic activated lymphocytes in tumor-bearing mice. A 10- and 27-fold higher [(18)F]FB-IL-2 uptake was observed in tumors of mice receiving tumor irradiation alone or in combination with immunization, respectively...
2017: Oncoimmunology
https://www.readbyqxmd.com/read/28194716/irradiation-enhances-dendritic-cell-potential-antitumor-activity-by-inducing-tumor-cell-expressing-tnf-%C3%AE
#16
Lijia Chang, Zhengzheng Zhang, Fang Chen, Wen Zhang, Shuang Song, Shuxia Song
Dendritic cells (DCs)-based tumor vaccines have shown to be the promising methods for inducing therapeutic antitumor response. However, DCs alone rarely carry curative antitumor activity, and the immunosuppressive microenvironment may contribute to this defect of DC vaccinal function. Irradiation in combination with DCs has been shown to promote immune-mediated tumor destruction in preclinical studies. However, little is known about how irradiation alters the tumor microenvironment, and what host pathways modulate the activity of administrated DCs...
March 2017: Medical Oncology
https://www.readbyqxmd.com/read/28194024/regnase-1-a-rapid-response-ribonuclease-regulating-inflammation-and-stress-responses
#17
REVIEW
Renfang Mao, Riyun Yang, Xia Chen, Edward W Harhaj, Xiaoying Wang, Yihui Fan
RNA-binding proteins (RBPs) are central players in post-transcriptional regulation and immune homeostasis. The ribonuclease and RBP Regnase-1 exerts critical roles in both immune cells and non-immune cells. Its expression is rapidly induced under diverse conditions including microbial infections, treatment with inflammatory cytokines and chemical or mechanical stimulation. Regnase-1 activation is transient and is subject to negative feedback mechanisms including proteasome-mediated degradation or mucosa-associated lymphoid tissue 1 (MALT1) mediated cleavage...
February 13, 2017: Cellular & Molecular Immunology
https://www.readbyqxmd.com/read/28194021/type-i-ifn-augments-il-27-dependent-trim25-expression-to-inhibit-hbv-replication
#18
Guangyun Tan, Qingfei Xiao, Hongxiao Song, Feng Ma, Fengchao Xu, Di Peng, Na Li, Xiaosong Wang, Junqi Niu, Pujun Gao, F Xiao-Feng Qin, Genhong Cheng
Hepatitis B virus (HBV) can cause chronic hepatitis B, which may lead to cirrhosis and liver cancer. Type I interferon (IFN) is an approved drug for the treatment of chronic hepatitis B. However, the fundamental mechanisms of antiviral action by type I IFN and the downstream signaling pathway are unclear. TRIM25 is an IFN-stimulated gene (ISG) that has an important role in RIG-I ubiquitination and activation. Whether TRIM25 is induced in liver cells by type I IFN to mediate anti-HBV function remains unclear...
February 13, 2017: Cellular & Molecular Immunology
https://www.readbyqxmd.com/read/28193627/adoptive-transfer-of-invariant-nkt-cells-as-immunotherapy-for-advanced-melanoma-a-phase-1-clinical-trial
#19
Mark A Exley, Philip Friedlander, Nadia Alatrakchi, Lianne Vriend, Simon C Yue, Tetsuro Sasada, Wanyong Zang, Yo Mizukami, Justice Clark, David Nemer, Ken LeClair, Christine Canning, Heather Daley, Glenn Dranoff, Anita Giobbie-Hurder, F Stephen Hodi, Jerome Ritz, Steven P Balk
PURPOSE: Invariant NKT cells (iNKT) are innate-like CD1d-restricted T cells with immunoregulatory activity in diseases including cancer. iNKT from advanced cancer patients can have reversible defects including IFNγ production, and iNKT IFNγ production may stratify for survival. Previous clinical trials using iNKT cell activating ligand α-galactosylceramide have shown responses. Therefore, a phase 1 clinical trial was performed of autologous in vitro expanded iNKT cells in stage IIIB-IV melanoma...
February 13, 2017: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/28193578/a-food-based-approach-that-targets-interleukin-6-a-key-regulator-of-chronic-intestinal-inflammation-and-colon-carcinogenesis
#20
Abigail Sido, Sridhar Radhakrishnan, Sung Woo Kim, Elisabeth Eriksson, Frank Shen, Qunhua Li, Vadiraja Bhat, Lavanya Reddivari, Jairam K P Vanamala
Studies have shown a causal link between high-calorie diet (HCD) and colon cancer. However, molecular mechanisms are not fully elucidated. To understand etiology of HCD-induced colon carcinogenesis, we screened 10 pathways linked to elevated colonic cell proliferation and chronic inflammation in an HCD-consuming human-relevant pig model. We observed elevated colonic mucosal interleukin-6 (IL-6) expression in HCD-consuming pigs compared to standard diet controls (SD, P=.04), and IL-6 strongly correlated with Ki-67 proliferative index and zone, early biomarkers of colon cancer risk (r=0...
January 28, 2017: Journal of Nutritional Biochemistry
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