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Cancer immunology

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https://www.readbyqxmd.com/read/28805806/lung-tumor-exome-files-with-t-cell-receptor-recombinations-a-mouse-model-of-t-cell-infiltrates-reflecting-mutation-burdens
#1
Yaping N Tu, Wei Lue Tong, Timothy J Fawcett, George Blanck
Tumor exomes and RNASeq data were originally intended for obtaining tumor mutations and gene expression profiles, respectively. However, recent work has determined that tumor exome and RNAseq read files contain reads representing T-cell and B-cell receptor (TcR and BcR) recombinations, presumably due to infiltrating lymphocytes. Furthermore, the recovery of immune receptor recombination reads has demonstrated correlations with specific, previously appreciated aspects of tumor immunology. To further understand the usefulness of recovering TcR and BcR recombinations from tumor exome files, we developed a scripted algorithm for recovery of reads representing these recombinations from a previously described mouse model of lung tumorigenesis...
August 14, 2017: Laboratory Investigation; a Journal of Technical Methods and Pathology
https://www.readbyqxmd.com/read/28805662/clinical-and-immunological-responses-after-cd30-specific-chimeric-antigen-receptor-redirected-lymphocytes
#2
Carlos A Ramos, Brandon Ballard, Huimin Zhang, Olga Dakhova, Adrian P Gee, Zhuyong Mei, Mrinalini Bilgi, Meng-Fen Wu, Hao Liu, Bambi Grilley, Catherine M Bollard, Bill H Chang, Cliona M Rooney, Malcolm K Brenner, Helen E Heslop, Gianpietro Dotti, Barbara Savoldo
BACKGROUND: Targeting CD30 with monoclonal antibodies in Hodgkin lymphoma (HL) and anaplastic large cell lymphoma (ALCL) has had profound clinical success. However, adverse events, mainly mediated by the toxin component of the conjugated antibodies, cause treatment discontinuation in many patients. Targeting CD30 with T cells expressing a CD30-specific chimeric antigen receptor (CAR) may reduce the side effects and augment antitumor activity. METHODS: We conducted a phase I dose escalation study in which 9 patients with relapsed/refractory HL or ALCL were infused with autologous T cells that were gene-modified with a retroviral vector to express the CD30-specific CAR (CD30...
August 14, 2017: Journal of Clinical Investigation
https://www.readbyqxmd.com/read/28804700/abridged-version-of-the-awmf-guideline-for-the-medical-clinical-diagnostics-of-indoor-mould-exposure-s2k-guideline-of-the-german-society-of-hygiene-environmental-medicine-and-preventive-medicine-ghup-in-collaboration-with-the-german-association-of-allergists
#3
Gerhard A Wiesmüller, Birger Heinzow, Ute Aurbach, Karl-Christian Bergmann, Albrecht Bufe, Walter Buzina, Oliver A Cornely, Steffen Engelhart, Guido Fischer, Thomas Gabrio, Werner Heinz, Caroline E W Herr, Jörg Kleine-Tebbe, Ludger Klimek, Martin Köberle, Herbert Lichtnecker, Thomas Lob-Corzilius, Rolf Merget, Norbert Mülleneisen, Dennis Nowak, Uta Rabe, Monika Raulf, Hans Peter Seidl, Jens-Oliver Steiß, Regine Szewszyk, Peter Thomas, Kerttu Valtanen, Julia Hurraß
This article is an abridged version of the AWMF mould guideline "Medical clinical diagnostics of indoor mould exposure" presented in April 2016 by the German Society of Hygiene, Environmental Medicine and Preventive Medicine (Gesellschaft für Hygiene, Umweltmedizin und Präventivmedizin, GHUP), in collaboration with the above-mentioned scientific medical societies, German and Austrian societies, medical associations and experts. Indoor mould growth is a potential health risk, even if a quantitative and/or causal relationship between the occurrence of individual mould species and health problems has yet to be established...
2017: Allergo Journal International
https://www.readbyqxmd.com/read/28804688/pivotal-regulators-of-tissue-homeostasis-and-cancer-macrophages
#4
REVIEW
Yulei Chen, Xiaobo Zhang
Macrophages are an essential component of innate immunity and play a vital role in inflammation and host defense. Based on immunological responses, the macrophages are classified into "activated" macrophage (M1 macrophages) participating in the responses of type I helper T (Th1) cells to pathogens and "alternatively activated" macrophages (M2 macrophages) in response to interleukin (IL)-4 and IL-13. In this review, we discuss the origin, classification and function of macrophages. We also discuss the mechanisms underlying polarization of different macrophage subtypes, including transcriptional, epigenetic and post-transcriptional regulation...
2017: Experimental Hematology & Oncology
https://www.readbyqxmd.com/read/28803259/opportunities-and-challenges-in-the-immunological-therapy-of-pediatric-malignancy-a-concise-snapshot
#5
REVIEW
Francesco Ceppi, Maja Beck-Popovic, Jean-Pierre Bourquin, Raffaele Renella
Over the last 50 years, collaborative clinical trials have reduced the number of children dying from pediatric cancer significantly. Unfortunately, certain tumor types have remained resistant to conventional surgical, radiotherapy and chemotherapy combinations, and relapsing and/or refractory disease remains associated with dismal outcomes. Recently, renewed attention has been given to the role for immunotherapies in pediatric oncology. In fact, these combine several attractive features, including (but possibly not limited to) the specificity for cancer cells, potentially in vivo persistence and longevity, and potency against refractory disease...
August 12, 2017: European Journal of Pediatrics
https://www.readbyqxmd.com/read/28802902/pseudomonas-aeruginosa-mannose-sensitive-hemagglutinin-injection-treated-cytokine-induced-killer-cells-combined-with-chemotherapy-in-the-treatment-of-malignancies
#6
Chaoqi Zhang, Zhen Zhang, Liping Wang, Jiaoling Han, Feng Li, Chunyi Shen, Hong Li, Lan Huang, Xuan Zhao, Dongli Yue, Jianmin Huang, Yan Yan, Yi Zhang
Pseudomonas aeruginosa-mannose sensitive hemagglutinin (PA-MSHA) injection serves as immunological adjuvant in clinical treatment of cancer patients. In present study, we investigated whether PA-MSHA injection enhanced the anti-tumor efficacy of CIK cells. Twenty patients with malignancies were enrolled in this retrospective clinical trial. They were divided into two groups: 10 patients received PA-MSHA treated CIK cells transfusion combined with chemotherapy, and other patients accepted CIK cells and chemotherapy...
August 10, 2017: International Immunopharmacology
https://www.readbyqxmd.com/read/28802766/a-phase-i-trial-of-intraperitoneal-gen-1-an-il-12-plasmid-formulated-with-peg-pei-cholesterol-lipopolymer-administered-with-pegylated-liposomal-doxorubicin-in-patients-with-recurrent-or-persistent-epithelial-ovarian-fallopian-tube-or-primary-peritoneal-cancers
#7
REVIEW
Premal H Thaker, William E Brady, Heather A Lankes, Kunle Odunsi, William H Bradley, Kathleen N Moore, Carolyn Y Muller, Khursheed Anwer, Russell J Schilder, Ronald D Alvarez, Paula M Fracasso
OBJECTIVE: The study's purpose was to assess safety and efficacy of escalating doses of weekly GEN-1 with pegylated liposomal doxorubicin (PLD) in patients with recurrent or persistent epithelial ovarian, fallopian tube or primary peritoneal cancers (EOC). METHODS: Patients had persistent or recurrent platinum-resistant EOC. The trial was a standard 3+3 phase I dose escalation design with patients receiving intravenous PLD 40mg/m(2) (dose level 1 and 2) or 50mg/m(2) (dose level 3) every 28days and intraperitoneal GEN-1 at 24mg/m(2) (dose level 1) or 36mg/m(2) (dose level 2 and 3) on days 1, 8, 15, and 22 of a 28day cycle...
August 9, 2017: Gynecologic Oncology
https://www.readbyqxmd.com/read/28799485/monoclonal-antibodies-a-review
#8
Surjit Singh, Nitish Kumar, Pradeep Dwiwedi, Jaykaran Charan, Rimplejeet Kaur, Preeti Sidhu, Vinay Kumar Chugh
Over the last three decades, monoclonal antibodies (MAbs) have made a striking transformation from scientific tools to powerful human therapeutics. Muromonab CD3 a murine MAb, was first FDA approved therapeutic MAb for prevention of kidney transplant rejection. Since its approval in 1986, there has been decline in the further application and approvals until the late 1990s when the first chimeric Mab, Rituximab was approved for the treatment of low grade B cell lymphoma in 1997. With the approval by licensing authorities of chimeric, followed by humanized and then fully human monoclonal antibodies, rate of approval and monoclonal antibodies available in the market for the treatment of various diseases has increased dramatically...
August 9, 2017: Current Clinical Pharmacology
https://www.readbyqxmd.com/read/28797855/exploring-genetic-attributions-underlying-radiotherapy-induced-fatigue-in-prostate-cancer-patients
#9
Sepehr Hashemi, Juan Luis Fernandez Martinez, Leorey Saligan, Stephen Sonis
CONTEXT: Despite numerous proposed mechanisms, no definitive pathophysiology underlying Radiotherapy-Induced Fatigue (RIF) has been established. However, the dysregulation of a set of 35 genes was recently validated to predict development of fatigue in prostate cancer patients (PCP's) receiving radiotherapy. OBJECTIVES: To hypothesize novel pathways, and provide genetic targets for currently proposed pathways implicated in RIF development through analysis of the previously validated gene set...
August 7, 2017: Journal of Pain and Symptom Management
https://www.readbyqxmd.com/read/28797000/new-molecular-biological-and-immunological-agents-inducing-hypophysitis
#10
Anna Angelousi, Eleftherios Chatzellis, Gregory Kaltsas
<br>Hypophysitis is a relatively rare disease that exerts a strong autoimmune component encompassing different aetiologies. Immunomodulatory drugs, such as interferon-α, are known to rarely induce hypophysitis. In recent years a large number of new biological and immunomodulatory agents have been introduced into clinical practice. Although immune suppressing agents used for the treatment of autoimmune disorders only rarely are associated with hypophysitis, it is commonly encountered with immunomodulatory agents used for the treatment of cancer...
August 8, 2017: Neuroendocrinology
https://www.readbyqxmd.com/read/28793350/ifnar2-dependent-gene-expression-profile-induced-by-ifn-%C3%AE-in-pteropus-alecto-bat-cells-and-impact-of-ifnar2-knockout-on-virus-infection
#11
Qian Zhang, Lei-Ping Zeng, Peng Zhou, Aaron T Irving, Shang Li, Zheng-Li Shi, Lin-Fa Wang
Bats are important reservoirs of many viruses, which are capable of infecting the host without inducing obvious clinical diseases. Interferon and the downstream interferon regulated genes (IRGs) are known to act as the first line of defense against viral infections. Little is known about the transcriptional profile of genes being induced by interferon in bats and their role in controlling virus infection. In this study, we constructed IFNAR2 knockout bat cell lines using CRISPR technology and further characterized gene expression profiles induced by the most abundant IFN-α (IFN-α3)...
2017: PloS One
https://www.readbyqxmd.com/read/28792162/immunological-subtypes-of-acute-lymphoblastic-leukemia-beyond-morphology-experience-from-kidwai-state-cancer-institute-bengaluru-india
#12
Namrata N Rajkumar, Raghavendra H Vijay
INTRODUCTION: Acute lymphoblastic leukemia (ALL) is disease of lymphoid precursors and is the most common cancer. Diagnosis of ALL is made by evaluating morphology and flowcytometric Immunophenotyping (FCI)and is an important adjunct in diagnosis and determining treatment in ALL, with availability of extensive monoclonal antibodies in the recent years there is tremendous progress in the field of FCI, and is a requirement by World Health Organisation for the classification of acute lymphoblastic Leukemia...
July 2017: Journal of the Association of Physicians of India
https://www.readbyqxmd.com/read/28791656/egfr-as-a-target-for-glioblastoma-treatment-an-unfulfilled-promise
#13
Manfred Westphal, Cecile L Maire, Katrin Lamszus
The receptor for epidermal growth factor (EGFR) is a prime target for cancer therapy across a broad variety of tumor types. As it is a tyrosine kinase, small molecule tyrosine kinase inhibitors (TKIs) targeting signal transduction, as well as monoclonal antibodies against the EGFR, have been investigated as anti-tumor agents. However, despite the long-known enigmatic EGFR gene amplification and protein overexpression in glioblastoma, the most aggressive intrinsic human brain tumor, the potential of EGFR as a target for this tumor type has been unfulfilled...
August 8, 2017: CNS Drugs
https://www.readbyqxmd.com/read/28791287/bidirectional-mast-cell-eosinophil-interactions-in-inflammatory-disorders-and-cancer
#14
REVIEW
Maria Rosaria Galdiero, Gilda Varricchi, Mansour Seaf, Giancarlo Marone, Francesca Levi-Schaffer, Gianni Marone
Human mast cells (MCs) and eosinophils were first described and named by Paul Ehrlich. These cells have distinct myeloid progenitors and differ morphologically, ultrastructurally, immunologically, biochemically, and pharmacologically. However, MCs and eosinophils play a pivotal role in several allergic disorders. In addition, these cells are involved in autoimmune disorders, cardiovascular diseases, and cancer. MCs are distributed throughout all normal human tissues, whereas eosinophils are present only in gastrointestinal tract, secondary lymphoid tissues, and adipose tissue, thymus, mammary gland, and uterus...
2017: Frontiers in Medicine
https://www.readbyqxmd.com/read/28791251/combining-oncolytic-adenovirus-with-radiation-a-paradigm-for-the-future-of-radiosensitization
#15
REVIEW
Sean M O'Cathail, Tzveta D Pokrovska, Timothy S Maughan, Kerry D Fisher, Leonard W Seymour, Maria A Hawkins
Oncolytic viruses and radiotherapy represent two diverse areas of cancer therapy, utilizing quite different treatment modalities and with non-overlapping cytotoxicity profiles. It is, therefore, an intriguing possibility to consider that oncolytic ("cancer-killing") viruses may act as cancer-selective radiosensitizers, enhancing the therapeutic consequences of radiation treatment on tumors while exerting minimal effects on normal tissue. There is a solid mechanistic basis for this potential synergy, with many viruses having developed strategies to inhibit cellular DNA repair pathways in order to protect themselves, during genome replication, from unwanted interference by cell processes that are normally triggered by DNA damage...
2017: Frontiers in Oncology
https://www.readbyqxmd.com/read/28791250/immunotherapy-combined-with-large-fractions-of-radiotherapy-stereotactic-radiosurgery-for-brain-metastases-implications-for-intraoperative-radiotherapy-after-resection
#16
REVIEW
Carsten Herskind, Frederik Wenz, Frank A Giordano
Brain metastases (BM) affect approximately a third of all cancer patients with systemic disease. Treatment options include surgery, whole-brain radiotherapy, or stereotactic radiosurgery (SRS) while chemotherapy has only limited activity. In cases where patients undergo resection before irradiation, intraoperative radiotherapy (IORT) to the tumor bed may be an alternative modality, which would eliminate the repopulation of residual tumor cells between surgery and postoperative radiotherapy. Accumulating evidence has shown that high single doses of ionizing radiation can be highly efficient in eliciting a broad spectrum of local, regional, and systemic tumor-directed immune reactions...
2017: Frontiers in Oncology
https://www.readbyqxmd.com/read/28790381/selective-cytotoxicity-of-a-novel-immunotoxin-based-on-pulchellin-a-chain-for-cells-expressing-hiv-envelope
#17
Mohammad Sadraeian, Francisco E G Guimarães, Ana P U Araújo, David K Worthylake, Louis Jr LeCour, Seth H Pincus
Immunotoxins (ITs), which consist of antibodies conjugated to toxins, have been proposed as a treatment for cancer and chronic infections. To develop and improve the ITs, different toxins such as ricin, have been used, aiming for higher efficacy against target cells. The toxin pulchellin, isolated from the Abrus pulchellus plant, has similar structure and function as ricin. Here we have compared two plant toxins, recombinant A chains from ricin (RAC) and pulchellin (PAC) toxins, for their ability to kill HIV Env-expressing cells...
August 8, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28789630/moderate-endurance-training-marathon-training-effects-on-immunologic-and-metabolic-parameters-in-hiv-infected-patients-the-42-km-cologne-project
#18
Stefan Schlabe, Martin Vogel, Christoph Boesecke, Carolynne Schwarze-Zander, Jürgen K Rockstroh, Christian Körner, Klara Brixius, Jan-Christian Wasmuth
BACKGROUND: Improved treatment options of HIV have resulted in regular physical activities of many HIV-infected patients. However, data on effects of sports in HIV-patients are scarce. METHODS: 21 HIV-infected persons were monitored prospectively while preparing for a marathon run. Multiple parameters with regard to immunology, quality of life and metabolism were measured at 4 time points (at baseline 1 year before the marathon run, 3 and 6 months after beginning of training, and immediately before marathon)...
August 8, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28783712/machine-learning-for-predicting-lifespan-extending-chemical-compounds
#19
Diogo G Barardo, Danielle Newby, Daniel Thornton, Taravat Ghafourian, João Pedro de Magalhães, Alex A Freitas
Increasing age is a risk factor for many diseases; therefore developing pharmacological interventions that slow down ageing and consequently postpone the onset of many age-related diseases is highly desirable. In this work we analyse data from the DrugAge database, which contains chemical compounds and their effect on the lifespan of model organisms. Predictive models were built using the machine learning method random forests to predict whether or not a chemical compound will increase Caenorhabditis elegans' lifespan, using as features Gene Ontology (GO) terms annotated for proteins targeted by the compounds and chemical descriptors calculated from each compound's chemical structure...
July 18, 2017: Aging
https://www.readbyqxmd.com/read/28783669/listening-to-each-other-infectious-disease-and-cancer-immunology
#20
REVIEW
Russell E Vance, Michael J Eichberg, Daniel A Portnoy, David H Raulet
The immune system provides defense against tumors and pathogens. Here, we propose that by elucidating the shared principles of immunity that underlie cancer and infectious disease, oncologists and microbiologists can learn from each other and achieve the deeper mechanistic understanding critical the development of therapeutic approaches.
January 13, 2017: Science Immunology
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