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Immune check point

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https://www.readbyqxmd.com/read/28098061/prostate-cancer-immunotherapy-particularly-in-combination-with-androgen-deprivation-or-radiation-treatment-customized-pharmacogenomic-approaches-to-overcome-immunotherapy-cancer-resistance
#1
REVIEW
C Alberti
Conventional therapeutic approaches for advanced prostate cancer - such as androgen deprivation, chemotherapy, radiation - come up often against lack of effectiveness because of possible arising of correlative cancer cell resistance and/or inadequate anti-tumor immune conditions. Whence the timeliness of resorting to immune-based treatment strategies including either therapeutic vaccination-based active immunotherapy or anti-tumor monoclonal antibody-mediated passive immunotherapy. Particularly attractive, as for research studies and clinical applications, results to be the cytotoxic T-lymphocyte check point blockade by the use of anti-CTLA-4 and PD-1 monoclonal antibodies, particularly when combined with androgen deprivation therapy or radiation...
September 2017: Il Giornale di Chirurgia
https://www.readbyqxmd.com/read/28095290/study-of-the-microbiological-quality-of-bulgarian-bottled-water-in-terms-of-its-contamination-with-pseudomonas-aeruginosa
#2
Vesela Georgieva, Yulia Dimitrova
BACKGROUND: Due to the widespread use of bottled water, it is important from a hygienic point of view to ensure that these products have good quality and meet the requirements set out in regulations. METHODS: In the period 2000-2013, a large-scale study (2,500 samples) was carried out on the quality of Bulgarian bottled water as per the microbiological parameters laid down in the European and Bulgarian legislation. Standard microbiological methods were applied. RESULTS: There is strong evidence that the most frequently isolated contaminant in these products was Pseudomonas aeruginosa...
December 2016: Central European Journal of Public Health
https://www.readbyqxmd.com/read/28090105/student-knowledge-skills-and-self-efficacy-gains-after-completing-an-advanced-pharmacy-practice-experience-in-geriatrics
#3
Krista L Donohoe, Aulbrey G Drisaldi, Fawaz M Alotaibi, Tabatha N Bonas, Edward M Shibley, Patricia W Slattum
Objective. To assess changes in pharmacy students' knowledge, skills, and self-efficacy after completing an advanced pharmacy practice experience (APPE) in geriatrics. Design. During the 2013-2014 academic year, 30 Virginia Commonwealth University (VCU) School of Pharmacy students were required to complete a 5-week Geriatrics APPE at Plaza Professional Pharmacy in Richmond, Virginia. All students completed a 25-point knowledge-based pre- and post-assessment to measure students' self-efficacy. The average time required to accurately fill one unit dose prescription card before and after completing the APPE was also evaluated...
November 25, 2016: American Journal of Pharmaceutical Education
https://www.readbyqxmd.com/read/28054442/markers-and-function-of-human-nk-cells-in-normal-and-pathological-conditions
#4
REVIEW
Genny Del Zotto, Emanuela Marcenaro, Paola Vacca, Simona Sivori, Daniela Pende, Mariella Della Chiesa, Francesca Moretta, Tiziano Ingegnere, Maria Cristina Mingari, Alessandro Moretta, Lorenzo Moretta
Natural killer (NK) cells, the most important effectors of the Innate Lymphoid Cells (ILCs), play a fundamental role in tumor immune-surveillance, defense against viruses and, in general, in innate immune responses. NK cell activation is mediated by several activating receptors and co-receptors able to recognize ligands on virus-infected or tumor cells. To prevent healthy cells from auto-aggression, NK cells are provided with strong inhibitory receptors (KIRs and NKG2A) which recognize HLA class I molecules on target cells and, sensing their level of expression, allow killing of targets underexpressing HLA-class I...
January 5, 2017: Cytometry. Part B, Clinical Cytometry
https://www.readbyqxmd.com/read/28011498/metastatic-pattern-of-stage-iv-colorectal-cancer-with-high-frequency-microsatellite-instability-as-a-prognostic-factor
#5
Kenji Fujiyoshi, Gou Yamamoto, Takashi Takenoya, Akemi Takahashi, Yoshiko Arai, Mina Yamada, Miho Kakuta, Kensei Yamaguchi, Yoshito Akagi, Yoji Nishimura, Hirohiko Sakamoto, Kiwamu Akagi
BACKGROUND: A recent clinical trial on the immune check-point inhibitor pembrolizumab demonstrated that microsatellite instability (MSI) is a good biomarker for response to this inhibitor. However, clinicopathological features of advanced colorectal cancer (CRC) with high-frequency MSI (MSI-H) are unclear. PATIENTS AND METHODS: A total of 2,439 surgically resected CRC tissues were analyzed for MSI status, and mutational status of V-Ki-Ras2 Kirsten rat sarcoma 2 viral oncogene homolog (KRAS), neuroblastoma RAS viral oncogene homolog (NRAS) and v-Raf murine sarcoma viral oncogene homolog B (BRAF)...
2017: Anticancer Research
https://www.readbyqxmd.com/read/27999734/molecular-and-clinical-characterization-of-pd-l1-expression-at-transcriptional-level-via-976-samples-of-brain-glioma
#6
Zheng Wang, Chuanbao Zhang, Xing Liu, Zhiliang Wang, Lihua Sun, Guanzhang Li, Jingshan Liang, Huimin Hu, Yanwei Liu, Wei Zhang, Tao Jiang
Background: PD-L1 has been widely reported as immune check points in a range of malignancies as well as some immune-originated diseases. In glioma, the role of PD-L1 remains unclear. We aimed at investigating its role at transcriptome level and relationship with clinical practice. Method and patients: In total, 976 glioma samples with transcriptome data, including 301 microarray data from Chinese Glioma Genome Atlas (CGGA project) and 675 RNAseq data from TCGA project, were enrolled into our study. Clinical and IDH mutation data were also available...
2016: Oncoimmunology
https://www.readbyqxmd.com/read/27898465/the-intragraft-microenvironment-as-a-central-determinant-of-chronic-rejection-or-local-immunoregulation-tolerance
#7
Johannes Wedel, Hironao Nakayama, Nora M Kochupurakkal, Josephine Koch, Michael Klagsbrun, Diane R Bielenberg, David M Briscoe
PURPOSE OF REVIEW: Chronic rejection is associated with persistent mononuclear cell recruitment, endothelial activation and proliferation, local tissue hypoxia and related biology that enhance effector immune responses. In contrast, the tumor microenvironment elicits signals/factors that inhibit effector T cell responses and rather promote immunoregulation locally within the tissue itself. The identification of immunoregulatory check points and/or secreted factors that are deficient within allografts is of great importance in the understanding and prevention of chronic rejection...
February 2017: Current Opinion in Organ Transplantation
https://www.readbyqxmd.com/read/27894751/polymerase-%C3%AE%C2%B5-pole-ultra-mutation-in-uterine-tumors-correlates-with-t-lymphocyte-infiltration-and-increased-resistance-to-platinum-based-chemotherapy-in-vitro
#8
Stefania Bellone, Eliana Bignotti, Silvia Lonardi, Francesca Ferrari, Floriana Centritto, Alice Masserdotti, Francesca Pettinella, Jonathan Black, Gulden Menderes, Gary Altwerger, Pei Hui, Salvatore Lopez, Christopher de Haydu, Elena Bonazzoli, Federica Predolini, Luca Zammataro, Emiliano Cocco, Federico Ferrari, Antonella Ravaggi, Chiara Romani, Fabio Facchetti, Enrico Sartori, Franco E Odicino, Dan-Arin Silasi, Babak Litkouhi, Elena Ratner, Masoud Azodi, Peter E Schwartz, Alessandro D Santin
OBJECTIVE: Up to 12% of all endometrial-carcinomas (EC) harbor DNA-polymerase-ε-(POLE) mutations. It is currently unknown whether the favorable prognosis of POLE-mutated EC is derived from their low metastatic capability, extraordinary number of somatic mutations thus imparting immunogenicity, or a high sensitivity to chemotherapy. METHODS: Polymerase-chain-reaction-amplification and Sanger-sequencing were used to test for POLE exonuclease-domain-mutations (exons 9-14) 131 EC...
January 2017: Gynecologic Oncology
https://www.readbyqxmd.com/read/27893699/nivolumab-induced-severe-akathisia-in-an-advanced-lung-cancer-patient
#9
Jiro Abe, Taku Sato, Ryota Tanaka, Toshimasa Okazaki, Satomi Takahashi
BACKGROUND Nivolumab is an anti-PD-1 immune checkpoint inhibitor that was recently developed for cancer immunotherapy. In the clinical trials of nivolumab, its adverse effects were reported to be less likely than those of conventional anti-cancer agents; however, after practical clinical distribution, it has come to be known that nivolumab induces various immune-related adverse events. CASE REPORT A 58-year-old male with a recurrence of lung adenocarcinoma was treated with nivolumab. Only four days after the initial administration of nivolumab, the patient presented with unbearable restlessness and distress that was resistant to all therapeutic agents used, and it gradually became worse...
November 23, 2016: American Journal of Case Reports
https://www.readbyqxmd.com/read/27860539/epitope-specific-antitumor-immunity-suppresses-tumor-spread-in-papillary-thyroid-cancer
#10
Margret Ehlers, Anne Kuebart, Hubertus Hautzel, Juergen Enczmann, Anna-Carinna Reis, Matthias Haase, Stephanie Allelein, Till Dringenberg, Christine Schmid, Matthias Schott
CONTEXT: Papillary thyroid cancer (PTC) is characterized by a lymphocytic infiltration. PTC patients with lymphocytic infiltration may have a better clinical outcome. OBJECTIVE: Characterization of tumor epitope-specific immunity and correlation analyses with the clinical outcome. PATIENTS: 150 PTC patients; 40 Hashimoto's thyroiditis (HT) patients; 21 healthy controls; 27.239 healthy Caucasians (for HLA typing). MAIN OUTCOME MEASURES: HLA class I restricted thyroperoxidase (TPO) and thyroglobulin (Tg) epitope-specific T cells (tetramer analyses), correlation analyses between HLA class II phenotypes, T cell immunity, and the clinical course...
November 18, 2016: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/27771969/vinflunine-for-the-treatment-of-non-small-cell-lung-cancer
#11
C Genova, A Alama, S Coco, E Rijavec, M G Dal Bello, I Vanni, F Biello, G Barletta, G Rossi, F Grossi
Vinflunine belongs to the class of vinca alkaloids and acts by disrupting the microtubule dynamics during cell cycle; this agent is currently available for previously treated advanced transitional cell carcinoma in Europe. The aim of this invited review is to evaluate the potential role of vinflunine for the treatment of non-small cell lung cancer (NSCLC). Areas covered: The potential role of vinflunine in NSCLC is discussed on the basis of the available data, including full papers and meeting abstracts. Relevant preclinical studies describing the pharmacological properties of vinflunine are also included...
December 2016: Expert Opinion on Investigational Drugs
https://www.readbyqxmd.com/read/27754760/combining-mpdl3280a-with-adoptive-cell-immunotherapy-exerts-better-antitumor-effects-against-cervical-cancer
#12
Yi Zheng, Yicheng Yang, Shu Wu, Yongqiang Zhu, Xiaolong Tang, Xiaopeng Liu
As the second most common gynecologic malignant tumors with a high mortality rate, cervical cancer jeopardizes women's life worldwide. The low cure rate in cervical cancer patients is mainly attributed to the lack of effective therapies. One feasible novel strategy is to develop immune-based approaches such as adoptive cell immunotherapy of DCCIKs which represents a promising nontoxic antineoplastic immunotherapy preferred in clinic practice. However, the therapeutic effect is not as efficient as anticipated...
October 18, 2016: Bioengineered
https://www.readbyqxmd.com/read/27750243/recent-trends-in-the-management-of-hepatocellular-carcinoma-with-special-emphasis-on-treatment-with-regorafenib-and-immune-checkpoint-inhibitors
#13
REVIEW
Masatoshi Kudo
Hepatocellular carcinoma (HCC) is the fifth most common cancer and the third leading cause of cancer deaths worldwide. Sonazoid-enhanced ultrasound and gadolinium ethoxybenzyl diethylenetriamine pentaacetic acid-enhanced MRI are the most important imaging modalities in diagnosing HCC. There are 2 non-contradictory HCC treatment algorithms in Japan. Hepatic arterial infusion chemotherapy plays an important role in the treatment of advanced HCC with main or branch portal vein invasion. Regorafenib, as a second-line systemic treatment, prolongs survival in patients with intermediate and advanced HCC who progressed on sorafenib...
2016: Digestive Diseases
https://www.readbyqxmd.com/read/27704269/linked-cd4-t-cell-help-broadening-immune-attack-against-cancer-by-vaccination
#14
Natalia Savelyeva, Alex Allen, Warayut Chotprakaikiat, Elena Harden, Jantipa Jobsri, Rosemary Godeseth, Yidao Wang, Freda Stevenson, Christian Ottensmeier
In the last decade, immunotherapy with monoclonal antibodies targeting immunological check points has become a breakthrough therapeutic modality for solid cancers. However, only up to 50 % of patients benefit from this powerful approach. For others vaccination might provide a plausible addition or alternative. For induction of effective anticancer immunity CD4+ T cell help is required, which is often difficult to induce to self cancer targets because of tolerogenic mechanisms. Our approach for cancer vaccines has been to incorporate into the vaccine design sequences able to activate foreign T cell help, through genetically linking cancer targets to microbial sequences (King et al...
October 5, 2016: Current Topics in Microbiology and Immunology
https://www.readbyqxmd.com/read/27647396/-current-status-and-future-prospect-of-internal-medicine-treatment-for-advanced-esophageal-cancer
#15
F Wang, Q X Fan
Esophageal cancer (EC) is one of common malignant tumors, and the incidence and mortality of EC in China rank the first place in the world. Because of the occult onset, the early atypical symptoms, and the lack of effective early diagnostic methods, most of patients are diagnosed at an advanced stage of the disease and lost the chance of surgery. Comprehensive treatment including palliative medical treatment, molecular targeted therapy, immunotherapy and so on is appropriate for these patients. How to choose the chemotherapy regimen and formulate reasonable treatment plan has become a hot spot in clinical research...
September 23, 2016: Zhonghua Zhong Liu za Zhi [Chinese Journal of Oncology]
https://www.readbyqxmd.com/read/27609016/gastric-cancer-somatic-genetics-as-a-guide-to-therapy
#16
Xiao-Ying Zhang, Pei-Ying Zhang
Gastric cancer is the leading cause of cancer-related mortality across the world, with poor prognosis and a median overall survival of ≤12 months for advanced stage gastric cancer. Environmental, genetic and other predisposing factors contribute to the development of gastric cancer and a predominant factor was found to be infection of Helicobacter pylori Advances in understanding the deranged signalling pathways that are critical for normal cellular homeostasis helped in the development of novel drugs that target specific proteins and pathways to curtail the growth of gastric cancer...
September 8, 2016: Journal of Medical Genetics
https://www.readbyqxmd.com/read/27587244/-comparison-of-immune-reconstitution-at-early-stage-after-unmanipulated-haploidentical-stem-cell-transplantation-between-high-and-standard-risk-philadelphia-chromosome-negative-acute-lymphoblastic-leukemia-patients-in-cr1
#17
Z L Bian, Y J Chang, L P Xu, Y Wang, X H Zhang, K Y Liu, X J Huang
OBJECTIVE: To compare the early stage immune reconstitution of high- and standard-risk Philadelphia chromosome- negative acute lymphoblastic leukemia (ALL) CR1 patients who had haploidentical blood and marrow stem cell transplantation (HBMT). METHODS: A total of 49 Ph-negative ALL CR1 patients who received HBMT and had complete early stage immune reconstitution data(+30, +60 and +90 d post transplantation) from Jan. 2010 to Dec. 2012 were enrolled. Immunophenotyping for B and T lymphocytes was performed post HBMT via flow cytometry...
August 14, 2016: Zhonghua Xue Ye Xue za Zhi, Zhonghua Xueyexue Zazhi
https://www.readbyqxmd.com/read/27563660/future-perspectives-in-cancer-immunotherapy
#18
Marinos Tsiatas, Giannis Mountzios, Giuseppe Curigliano
The advent of immunotherapy has transformed the treatment paradigm of several solid tumors and is expected to influence the therapeutic algorithm even more in the future following the results of numerous ongoing clinical trials in a wide range of malignancies. Exploiting the anti-cancer effect of the immune system with the use of vaccines, viral vectors, and more lately with immune check-point inhibitors and chimeric antigen receptor modification, has been proven a successful therapeutic strategy in a broad spectrum of tumors...
July 2016: Annals of Translational Medicine
https://www.readbyqxmd.com/read/27528363/new-approaches-in-glioblastoma-multiforme-the-potential-role-of-immune-check-point-inhibitors
#19
Francesca De Felice, Daniela Musio, Raffaele Cassese, Giovanni Luca Gravina, Vincenzo Tombolini
BACKGROUND: Glioblastoma multiforme (GBM) is the most frequent brain tumor. Despite recent advances in treatment approaches the prognosis remains poor, with a median overall survival of 14.6 months. Immunotherapy is the subject of ongoing research and its benefit is becoming evident in other malignancies. Immune check-points such as cytotoxic T lymphocyte associated antigen 4 (CTLA-4), programmed cell death receptor (PD-1) and indoleamine 2,3-dioxygenase (IDO) reduce immune response. OBJECTIVE: To clarify the role of immune check point inhibitors in GBM management...
August 13, 2016: Current Cancer Drug Targets
https://www.readbyqxmd.com/read/27500894/role-of-clinical-pharmacology-in-the-development-and-approval-of-immunotherapies-targeting-immune-checkpoints
#20
A Rahman
Immune surveillance plays a critical role in preventing the development and progression of cancer. Immune modulators, such as interferon-gamma or interleukin-2, have been a part of the cancer treatment armament over the past few decades. However, new understandings regarding the role of the costimulatory and coinhibitory molecules associated with T-cells and antigen-presenting cells as well as tumor necrosis factor receptors and ligands have ushered the new era of immunotherapy for cancer treatment. We now know that primary cancer cells evade screening by the innate immune system, proliferate, and form metastases by upregulating immune inhibitory pathways referred to as immune checkpoints...
August 7, 2016: Clinical Pharmacology and Therapeutics
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