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https://www.readbyqxmd.com/read/29783020/immune-modulation-of-a-novel-lipid-soluble-extract-of-pinellia-pedatisecta-schott-in-the-tumor-microenvironment-of-an-hpv-tumor-burdened-mouse-model
#1
Haixia Huang, Mingxing Zhang, Meng Zhang, Jing Peng, Guiling Li, Congjian Xu, Suiqi Gui
ETHNOPHARMACOLOGICAL RELEVANCE: Pinellia pedatisecta Schott extract (PE), a traditional Chinese medicine, has been used to reduce swelling, dry dampness and suppress cervical tumors. AIMS: To evaluate the roles of PE in the regulation of anti-tumor effects and the cellular immune response in the tumor microenvironment. METHODS: The immune microenvironment of HPV+ TC-1 tumors was examined by immunohistochemistry, real-time PCR and flow cytometry...
May 18, 2018: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/29783017/the-hydro-ethanolic-extract-of-acacia-seyal-mimosaceae-stem-barks-induced-death-in-an-er-negative-breast-cancer-cell-line-by-the-intrinsic-pathway-of-apoptosis-and-inhibited-cell-migration
#2
Stephane Zingue, Thomas Michel, Julia Cisilotto, Alain Brice Tueche, Derek Tantoh Ndinteh, Leônidas João Mello, Dieudonné Njamen, Tânia Beatriz Creczynski-Pasa
BACKGROUND: Despite the significant developments occurring in the treatment of cancer, it still remains the second deadly disease, responsible for 8.2 million deaths every year. Various natural substances have been studied for active molecules of tumor suppression in the past and the tropical flora, by its diversity, continues to provide new antitumor drugs. Acacia seyal is a plant used in Cameroonian traditional system to treat cancer. It exhibited cytotoxic effects towards human breast adenocarcinoma cells...
May 18, 2018: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/29782924/emerging-biomarkers-for-immune-checkpoint-inhibition-in-lung-cancer
#3
REVIEW
George Cyriac, Leena Gandhi
Immune checkpoint inhibition with anti-PD-1 therapy has been notably successful in non-small cell lung cancer (NSCLC) and changed standard practice in multiple settings. However, despite some durable benefits seen, the majority of unselected patients with NSCLC fail to respond to checkpoint inhibitors. Patient selection is crucial and will become even more important in the development of combination therapies with immune checkpoint inhibitors. PD-L1 expression by immunohistochemistry (IHC) has emerged as the most commonly used clinical biomarker of response and overall tumor mutational burden (TMB) is being explored as a clinical biomarker...
May 18, 2018: Seminars in Cancer Biology
https://www.readbyqxmd.com/read/29782854/combined-treatment-with-sorafenib-and-silibinin-synergistically-targets-both-hcc-cells-and-cancer-stem-cells-by-enhanced-inhibition-of-the-phosphorylation-of-stat3-erk-akt
#4
Jie Mao, Hongbao Yang, Tingting Cui, Pan Pan, Nadia Kabir, Duo Chen, Jinyan Ma, Xingyi Chen, Yijun Chen, Yong Yang
Silibinin, a nontoxic bioactive component in milk thistle, is used as a liver-protective drug in the clinic mainly because of its antioxidant and anti-inflammation activities. In this study, we studied the cytotoxic effects of silibinin combined with sorafenib on hepatocellular carcinoma (HCC). The results indicated that silibinin combined with sorafenib potently inhibited the proliferation of various HCC cells and induced significant apoptosis. In an HCC subcutaneous transplantation tumor model, the combination of silibinin and sorafenib significantly suppressed tumor growth compared with monotherapy...
May 18, 2018: European Journal of Pharmacology
https://www.readbyqxmd.com/read/29782821/licoricidin-enhances-gemcitabine-induced-cytotoxicity-in-osteosarcoma-cells-by-suppressing-the-akt-and-nf-%C3%AE%C2%BAb-signal-pathways
#5
Yifei Wang, Shengli Wang, Jianhua Liu, Yanxiao Lu, Donghui Li
Osteosarcoma (OS) is the most common bone malignancy in children and adolescents. Combined treatments of anti-cancer drugs can remarkably improve chemotherapeutic outcomes. Gemcitabine and licoricidin both have potential anti-tumor activity in several cancers. However, the combined therapeutic efficiency of gemcitabine and licoricidin for OS has not been explored. Here, we found that licoricidin or gemcitabine inhibited OS cell viability in a dose-dependent manner. Cotreatment with licoricidin and gemcitabine enhanced gemcitabine-induced cytotoxicity in OS cells...
May 18, 2018: Chemico-biological Interactions
https://www.readbyqxmd.com/read/29782188/an-evaluation-of-nivolumab-for-the-treatment-of-metastatic-renal-cell-carcinoma
#6
Kevin Zarrabi, Shenhong Wu
The treatment paradigm for metastatic renal cell carcinoma (mRCC) has undergone a revolution with the rapid market approval of multiple agents over a three-year period. The immunogenicity of RCC provided the biological rationale to assess the clinical efficacy of nivolumab, an immune checkpoint inhibitor. Nivolumab is approved for second-line treatment after failure of angiogenesis targeted therapy and in combination therapy with ipilimumab for previously untreated intermediate or poor-risk advanced renal cell carcinoma...
May 21, 2018: Expert Opinion on Biological Therapy
https://www.readbyqxmd.com/read/29782143/anti-tumor-humoral-and-t-cell-responses-by-mucin-1-conjugates-of-bacteriophage-qb-in-wildtype-mice
#7
Zhaojun Yin, Xuanjun Wu, Katarzyna Kaczanowska, Suttipun Sungsuwan, Marta Comellas-Aragones, Christian Pett, Jin Yu, Claire Baniel, Ulrika Westerlind, M G Finn, Xuefei Huang
Mucin-1 (MUC1) is one of the top ranked tumor associated antigens. In order to generate effective anti-MUC1 immune responses as potential anti-cancer vaccines, MUC1 peptides and glycopeptides have been covalently conjugated to bacteriophage Qb. Immunization of mice with these constructs led to highly potent antibody responses with IgG titers over one million, which are among the highest anti-MUC1 IgG titers reported to date. Furthermore, the high IgG antibody levels persisted for more than six months. The constructs also elicited MUC1 specific cytotoxic T cells, which can selectively kill MUC1 positive tumor cells...
May 21, 2018: ACS Chemical Biology
https://www.readbyqxmd.com/read/29781871/early-onset-of-diffuse-melanosis-cutis-under-pembrolizumab-therapy-illustrates-the-limitations-of-anti-pd-1-checkpoint-inhibitors
#8
Alexander Thiem, Patrick Schummer, Simon Ueberschaar, Andreas Kerstan, Hermann Kneitz, David Schrama, Silke Appenzeller, Svenja Meierjohann, Bastian Schilling, Matthias Goebeler, Anja Gesierich
Anti-PD-1 targeted immunotherapies have revolutionized the treatment of advanced melanoma and other tumor entities, and long disease-free intervals have been reported in responding patients. However, a considerable number of patients still progress rapidly after the start of anti-PD-1 antibodies. Here, we document two patients, 78 and 85-year old, who suffered from advanced BRAF-V600 wild-type melanoma and received pembrolizumab 2 mg/kg every 3 weeks as the first systemic treatment. After only one, respectively, two infusions of pembrolizumab, both patients developed melanuria and diffuse melanosis cutis (DMC) on sun-exposed areas of their skin...
May 17, 2018: Melanoma Research
https://www.readbyqxmd.com/read/29781607/preparation-of-pga-pae-micelles-for-enhanced-anti-tumor-efficacy-of-cisplatin
#9
Yazhou Chen, Li Zhang, Yingjie Liu, Shiming Tan, Ruidan Qu, Zirong Wu, Yue Zhou, Jing Huang
Poly-γ-L-glutamic acid (PGA) is an outstanding drug carrier candidate owning to its excellent biodegradability and biocompatibility. PGA carrier may shield toxic drugs from the body and enable the delivery of poorly soluble or unstable drugs thereby minimize the side effects and improve drug efficacy. However, the limitation of PGA as a drug carrier is low drug loading efficiency (DLE), which is usually below 30%. In this study, we reported a chemical modification method using L-phenylalanine ethyl ester (PAE)...
May 21, 2018: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/29781343/issues-and-promises-of-bevacizumab-in-prostate-cancer-treatment
#10
Vittore Cereda, Vincenzo Formica, Mario Roselli
There is general agreement that increased angiogenesis is an important factor in determining prostate cancer development and prognosis. Vascular Endothelial Growth Factor (VEGF) is thought to play a primary role in the molecular events that lead to prostate cancer progression, from androgen-dependency to castration-resistance until dissemination to the skeleton. Bevacizumab is a recombinant anti-VEGF monoclonal antibody that has exhibited clinical activity in different cancer types. Areas covered: In this review we summarize the data of clinical trials, investigating the effects of bevacizumab in prostate cancer patients...
May 21, 2018: Expert Opinion on Biological Therapy
https://www.readbyqxmd.com/read/29780755/ovarian-teratoma-associated-anti-n-methyl-d-aspartate-receptor-encephalitis-a-difficult-diagnosis-with-a-favorable-prognosis
#11
Ananya Datta Mitra, Alaa Afify
Anti-N-methyl-D-aspartate receptor (anti-NMDAR) encephalitis is a recently described auto-immune and paraneoplastic encephalitis with prominent neuropsychiatric manifestations affecting young adults with ovarian teratoma. The availability of a novel assay to measure these antibodies might suggest an etiology for this potentially life-threatening disease, which if early recognized can be treated promptly with surgery with chances of a good clinical outcome. Reported prognostic indicators for a good outcome depend on the presence of a tumor, prompt treatment and no admission to an intensive care unit...
April 2018: Autopsy & case reports
https://www.readbyqxmd.com/read/29780392/tumor-derived-apoptotic-vesicles-with-death-they-do-part
#12
REVIEW
Morad-Remy Muhsin-Sharafaldine, Alexander D McLellan
Tumor cells release lipid particles known as extracellular vesicles (EV) that contribute to cancer metastasis, to the immune response, and to thrombosis. When tumors are exposed to radiation or chemotherapy, apoptotic vesicles (ApoVs) are released in abundance as the plasma membrane delaminates from the cytoskeleton. Recent studies have suggested that ApoVs are distinct from the EVs released from living cells, such as exosomes or microvesicles. Depending on their treatment conditions, tumor-released ApoV have been suggested to either enhance or suppress anti-cancer immunity...
2018: Frontiers in Immunology
https://www.readbyqxmd.com/read/29780390/dopaminergic-control-of-inflammation-and-glycemia-in-sepsis-and-diabetes
#13
Eleonora Feketeova, Zhifeng Li, Biju Joseph, Roshan Shah, Zoltan Spolarics, Luis Ulloa
Most preclinical treatments for sepsis failed in clinical trials in part because the experimental models of sepsis were performed on healthy animals that do not mimic septic patients. Here, we report that experimental diabetes worsens glycemia, inflammation, and mortality in experimental sepsis. Diabetes increases hyperglycemia, systemic inflammation, and mortality in sepsis. Diabetes exacerbates serum tumor necrosis factor (TNF) levels in sepsis by increasing splenic TNF production. Both serum from diabetic mice and glucose increase cytokine production in splenocytes...
2018: Frontiers in Immunology
https://www.readbyqxmd.com/read/29780305/comparing-effects-of-transforming-growth-factor-%C3%AE-1-on-microglia-from-rat-and-mouse-transcriptional-profiles-and-potassium-channels
#14
Starlee Lively, Doris Lam, Raymond Wong, Lyanne C Schlichter
The cytokine, transforming growth factor β1 (TGFβ1), is up-regulated after central nervous system (CNS) injuries or diseases involving microglial activation, and it has been proposed as a therapeutic agent for treating neuroinflammation. Microglia can produce and respond to TGFβ1. While rats and mice are commonly used for studying neuroinflammation, very few reports directly compare them. Such studies are important for improving pre-clinical studies and furthering translational progress in developing therapeutic interventions...
2018: Frontiers in Cellular Neuroscience
https://www.readbyqxmd.com/read/29780258/influence-of-different-ex-vivo-cell-culture-methods-on-the-proliferation-and-anti-tumor-activity-of-cytokine-induced-killer-cells-from-gastric-cancer-patients
#15
Bin Shi, Aixia Sun, Xiaorui Zhang
Purpose: In cytokine-induced killer (CIK) cell therapy, the phenotypes and the numbers of CIK cells have a great influence on the therapeutic effects. This study aimed to investigate the effects of different ex vivo cell culture methods on the proliferation and cytotoxicity of CIK cells that were obtained from gastric cancer patients. Patients and methods: CIK precursor (Pre-CIK) cells were collected by either hydroxyethyl starch (HES) sedimentation (HES method, unpurified group) or Ficoll-Hypaque density gradient centrifugation (Ficoll method, purified group)...
2018: OncoTargets and Therapy
https://www.readbyqxmd.com/read/29780249/-in-vivo-mr-imaging-of-tumor-associated-macrophages-the-next-frontier-in-cancer-imaging
#16
REVIEW
Runze Yang, Susobhan Sarkar, V Wee Yong, Jeff F Dunn
There is a complex interaction between cancer and the immune system. Tumor-associated macrophages (TAMs) can be subverted by the cancer to adopt a pro-tumor phenotype to aid tumor growth. These anti-inflammatory, pro-tumor TAMs have been shown to contribute to a worsened outcome in several different types of cancer. Various strategies aimed at combating the pro-tumor TAMs have been developed. Several therapies, such as oncolytic viral therapy and high-intensity focused ultrasound, have been shown to stimulate TAMs and suppress tumor growth...
2018: Magnetic Resonance Insights
https://www.readbyqxmd.com/read/29779483/a-review-on-pharmacological-and-clinical-aspects-of-linum-usitatissimum-l
#17
Ramin Ansari, Mohammad Mehdi Zarshenas, Amir Hossein Dadbakhsh
INTRODUCTION AND BACKGROUND: Linum usitatissimum L., known as common Flax or linseed, from the family Linnaceae, has long been cultivated in different nations due to its applications in medicine and industry. The present study aims to collect nearly all available information about chemical constituents of Flax, as well as pharmacological properties and confirmed clinical usages of it. METHODS: We searched through databases such as Scopus and PubMed for relevant literatures using the keywords: (Linum usitatissimum), (pharmacology) and (phytochemical) from the beginning to 13 Aug 2017...
May 20, 2018: Current Drug Discovery Technologies
https://www.readbyqxmd.com/read/29779214/cyanidin-3-glucoside-inhibits-inflammatory-activities-in-human-fibroblast-like-synoviocytes-and-in-mice-with-collagen-induced-arthritis
#18
Yan Sun, Lingling Li
Rheumatoid arthritis (RA) is a chronic autoimmune disease characterized by joint tissue inflammation. Cyanidin-3-glucoside (C3G) is a major component in the flavonoid family and has shown anti-inflammatory, anti-oxidant and anti-tumor activity. In this study, we investigated the effects of C3G on lipopolysaccharides (LPS)-induced inflammation on human rheumatoid fibroblast-like synoviocytes (FLS) and on collagen-induced arthritis (CIA) mice model. We treated FLS with C3G followed by LPS induction, the expressions of tumor necrosis factor alpha (TNF-α), interleukin 1 beta (IL-1β) and IL-6 and the activation of nuclear factor kappa-light-chain-enhancer of activated B cells (NF-κB) and mitogen-activated protein kinase (MAPK) signaling pathway were analyzed...
May 19, 2018: Clinical and Experimental Pharmacology & Physiology
https://www.readbyqxmd.com/read/29779158/diffusion-weighted-magnetic-resonance-enterography-for-prediction-of-response-to-tumor-necrosis-factor-inhibitors-in-stricturing-crohn-s-disease
#19
Marianne M Amitai, Eyal Klang, Asaf Levartovsky, Noa Rozendorn, Shelly Soffer, Gadeer Ali Taha, Bella Ungar, Tomer Greener, Shomron Ben-Horin, Rami Eliakim, Uri Kopylov
BACKGROUND AND AIMS: Distinguishing between fibrotic and inflammatory strictures in Crohn's disease (CD) is still challenging. The capacity of diffusion-weighted (DWI) magnetic resonance (MRE) to identify intestinal fibrosis was recently demonstrated; however, the therapeutic implications of this association have never been evaluated. The aim of the current study was to identify imaging features, including DWI, which can predict response to anti-inflammatory treatment in patients with stricturing CD...
May 19, 2018: Abdominal Radiology
https://www.readbyqxmd.com/read/29779087/down-regulation-of-mdr1-by-ad-dkk3-via-akt-nf%C3%AE%C2%BAb-pathways-augments-the-anti-tumor-effect-of-temozolomide-in-glioblastoma-cells-and-a-murine-xenograft-model
#20
Toshitaka Fujihara, Yoshifumi Mizobuchi, Kohei Nakajima, Teruyoshi Kageji, Kazuhito Matsuzaki, Keiko T Kitazato, Ryotaro Otsuka, Keijiro Hara, Hideo Mure, Toshiyuki Okazaki, Kazuyuki Kuwayama, Shinji Nagahiro, Yasushi Takagi
BACKGROUND: Glioblastoma multiforme (GBM) is the most malignant of brain tumors. Acquired drug resistance is a major obstacle for successful treatment. Earlier studies reported that expression of the multiple drug resistance gene (MDR1) is regulated by YB-1 or NFκB via the JNK/c-Jun or Akt pathway. Over-expression of the Dickkopf (DKK) family member DKK3 by an adenovirus vector carrying DKK3 (Ad-DKK3) exerted anti-tumor effects and led to the activation of the JNK/c-Jun pathway. We investigated whether Ad-DKK3 augments the anti-tumor effect of temozolomide (TMZ) via the regulation of MDR1...
May 19, 2018: Journal of Neuro-oncology
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