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Cancer immunotherapy

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https://www.readbyqxmd.com/read/28820635/effects-of-autologous-cytokine-induced-killer-cells-infusion-in-colorectal-cancer-patients-a-prospective-study
#1
Hao Peng, Meng Yao, Hongwei Fan, Liwei Song, Jinwen Sun, Zheng Zhou, Yunfeng Du, Keyu Lu, Tao Li, Aiguo Yin, Jianhua Xu, Shidong Wei
AIM: To evaluate the efficacy and safety of postoperative adjuvant immunotherapy with cytokine-induced killer (CIK) cells in combination with chemotherapy (CT) in colorectal cancer (CRC) patients. MATERIALS AND METHODS: A total of 46 patients were randomly assigned to either group 1 (control group) or group 2 (CIK group) using blocked randomization. Both groups received the FOLFOX4 (5-fluorouridine, leucovorin, and oxaliplatin) CT. In the CIK group, patients were given CIK cell infusion after FOLFOX4 CT...
August 2017: Cancer Biotherapy & Radiopharmaceuticals
https://www.readbyqxmd.com/read/28820501/interleukin-armed-chimeric-antigen-receptor-modified-t-cells-for-cancer-immunotherapy
#2
REVIEW
Y Huang, D Li, D-Y Qin, H-F Gou, W Wei, Y-S Wang, Y-Q Wei, W Wang
Chimeric antigen receptor-modified T cells (CAR-T) are endowed with cytotoxic specificity to tumor cells. Although CAR-T-based cancer immunotherapy presents curable therapeutic potential for hematological malignancies, achieving substantial efficacy for solid tumors remain challenging. Researchers have exploited many strategies to enhance the anti-tumor efficacy of CAR-T cells for solid tumors, among which cytokine-armed CAR-T cells improve the proliferation, survival, homing and other properties of CAR-T cells...
August 18, 2017: Gene Therapy
https://www.readbyqxmd.com/read/28820071/antibody-fragments-as-potential-biopharmaceuticals-for-cancer-therapy-success-and-limitations
#3
Roman V Kholodenko, Daniel V Kalinovsky, Igor I Doronin, Eugene D Ponomarev, Irina V Kholodenko
Monoclonal antibodies (mAbs) are an important class of therapeutic agents approved for the therapy of many types of malignancies. However, in certain cases applications of conventional mAbs have several limitations in anticancer immunotherapy. These limitations include insufficient efficacy and adverse effects. The antigen-binding fragments of antibodies have a considerable potential to overcome the disadvantages of conventional mAbs, such as poor penetration into solid tumors and Fc-mediated bystander activation of the immune system...
August 17, 2017: Current Medicinal Chemistry
https://www.readbyqxmd.com/read/28819703/novel-prostate-cancer-immunotherapy-with-a-dna-encoded-anti-prostate-specific-membrane-antigen-monoclonal-antibody
#4
Kar Muthumani, Liron Marnin, Sagar B Kudchodkar, Alfredo Perales-Puchalt, Hyeree Choi, Sangya Agarwal, Veronica L Scott, Emma L Reuschel, Faraz I Zaidi, Elizabeth K Duperret, Megan C Wise, Kimberly A Kraynyak, Kenneth E Ugen, Niranjan Y Sardesai, J Joseph Kim, David B Weiner
Prostate-specific membrane antigen (PSMA) is expressed at high levels on malignant prostate cells and is likely an important therapeutic target for the treatment of prostate carcinoma. Current immunotherapy approaches to target PSMA include peptide, cell, vector or DNA-based vaccines as well as passive administration of PSMA-specific monoclonal antibodies (mAb). Conventional mAb immunotherapy has numerous logistical and practical limitations, including high production costs and a requirement for frequent dosing due to short mAb serum half-life...
August 17, 2017: Cancer Immunology, Immunotherapy: CII
https://www.readbyqxmd.com/read/28819582/relationship-of-metabolic-alterations-and-pd-l1-expression-in-cisplatin-resistant-lung-cancer
#5
M Wangpaichitr, H Kandemir, Y Y Li, C Wu, Djm Nguyen, L G Feun, M T Kuo, N Savaraj
Despite numerous reports on immune checkpoint inhibitor for the treatment of non-small cell lung cancer (NSCLC), the response rate remains low but durable. Thus cisplatin still plays a major role in the treatment of NSCLC. While there are many mechanisms involved in cisplatin resistance, alteration in metabolic phenotypes with elevated levels of reactive oxygen species (ROS) are found in several cisplatin resistant tumors. These resistant cells become more reliant on mitochondria oxidative metabolism instead of glucose...
April 28, 2017: Cell & Developmental Biology
https://www.readbyqxmd.com/read/28819386/the-tumor-microenvironment-and-inflammatory-breast-cancer
#6
REVIEW
Aji Huang, Shousong Cao, Lili Tang
Inflammatory breast cancer (IBC) is a rare and very aggressive subtype of breast cancer with clinical manifestations similar to acute inflammation. The prognosis of IBC is still poor even though combination therapy with surgery, chemotherapy, and target therapy, mainly due to a lack of fully understanding of the cellular and molecular mechanisms of IBC pathogenesis and progression. In the present article, we have comprehensively reviewed the connection of the pathogenesis of IBC and inflammation, immune reaction and cancer, particularly focused on the role and mechanism of tumor microenvironment related to IBC formation, tumor cell proliferation, migration, invasion and metastasis as well as the clinical manifestations of IBC...
2017: Journal of Cancer
https://www.readbyqxmd.com/read/28819380/phase-ii-trial-of-adjuvant-immunotherapy-with-autologous-tumor-derived-gp96-vaccination-in-patients-with-gastric-cancer
#7
Kecheng Zhang, Zheng Peng, Xiaohui Huang, Zhi Qiao, Xinxin Wang, Ning Wang, Hongqing Xi, Jianxin Cui, Yunhe Gao, Xijian Huang, Hua Gao, Bo Wei, Lin Chen
Background/Aims: Autologous, tumor-derived, heat shock protein gp96 peptide complexes have antitumor potential. We conducted the first Phase II trial to evaluate the safety and efficacy of gp96 vaccination in adjuvant settings for patients with gastric cancer. Methods: We enrolled 73 consecutive patients from October 2012 to December 2015. Thirty-eight patients received gp96 vaccination plus chemotherapy and 35 received chemotherapy alone. The primary endpoints were disease-free survival (DFS) and toxicity...
2017: Journal of Cancer
https://www.readbyqxmd.com/read/28819064/the-tumor-microenvironment-regulates-sensitivity-of-murine-lung-tumors-to-pd-1-pdl1-antibody-blockade
#8
Howard Y Li, Maria V McSharry, Bonnie Bullock, Teresa T Nguyen, Jeff Kwak, Joanna M Poczobutt, Trisha R Sippel, Lynn E Heasley, Mary C Weiser-Evans, Eric T Clambey, Raphael A Nemenoff
Immune checkpoint inhibitors targeting the interaction between programmed cell death-1 (PD-1) and its ligand PD-L1 induce tumor regression in a subset of non-small cell lung cancer patients. However, clinical response rates are less than 25%. Evaluation of combinations of immunotherapy with existing therapies requires appropriate pre-clinical animal models. In this study, murine lung cancer cells (CMT167 and LLC) were implanted either orthotopically in the lung or subcutaneously in--- syngeneic mice, and response to anti-PD-1/PD-L1 therapy was determined...
August 17, 2017: Cancer Immunology Research
https://www.readbyqxmd.com/read/28819027/combination-therapy-with-bispecific-antibodies-and-pd-1-blockade-enhances-the-antitumor-potency-of-t-cells
#9
Chien-Hsing Chang, Yang Wang, Rongxiu Li, Diane L Rossi, Donglin Liu, Edmund A Rossi, Thomas M Cardillo, David M Goldenberg
The DOCK-AND-LOCK (DNL®) method is a platform technology that combines recombinant engineering and site-specific conjugation to create multispecific, multivalent antibodies of defined composition with retained bioactivity. We have applied DNL® to generate a novel class of trivalent bispecific antibodies (bsAbs), each comprising an anti-CD3 scFv covalently conjugated to a stabilized dimer of different anti-tumor Fabs. Here we report the further characterization of two such constructs, (E1)-3s and (14)-3s, which activate T cells and target Trop-2- and CEACAM5-expressing cancer cells, respectively...
August 17, 2017: Cancer Research
https://www.readbyqxmd.com/read/28818991/immune-modulation-therapy-and-imaging-workshop-report
#10
Anthony F Shields, Paula Jacobs, Mario Sznol, Michael M Graham, Ronald Germain, Lawrence Lum, Elaine Jaffee, Elisabeth G E de Vries, Sridhar Nimmagadda, Annick D Van den Abbeele, David Leung, Anna M Wu, Elad Sharon, Lalitha K Shankar
A workshop at the National Cancer Institute May 2, 2016 considered the current state of imaging in assessment of immunotherapy. Immunotherapy has shown some remarkable and prolonged responses in the treatment of tumors. However, responses are variable and frequently delayed, complicating the evaluation of new immunotherapy agents and customizing treatment for individual patients. Early anatomic imaging may show that a tumor has increased in size, but this could represent pseudoprogression. Based on imaging, clinicians must decide if they should stop, pause, or continue treatment...
August 17, 2017: Journal of Nuclear Medicine: Official Publication, Society of Nuclear Medicine
https://www.readbyqxmd.com/read/28818953/new-horizons-for-precision-medicine-in-biliary-tract-cancers
#11
REVIEW
Juan W Valle, Angela Lamarca, Lipika Goyal, Jorge Barriuso, Andrew X Zhu
Biliary tract cancers (BTC), including cholangiocarcinoma and gallbladder cancer, are poor-prognosis and low-incidence cancers, although the incidence of intrahepatic cholangiocarcinoma is rising. A minority of patients present with resectable disease but relapse rates are high; benefit from adjuvant capecitabine chemotherapy has been demonstrated. Cisplatin/gemcitabine combination chemotherapy has emerged as the reference first-line treatment regimen; there is no standard second-line therapy. Selected patients may be suitable for liver-directed therapy (e...
August 17, 2017: Cancer Discovery
https://www.readbyqxmd.com/read/28817910/re-new-strategies-in-bladder-cancer-a-second-coming-for-immunotherapy
#12
Sam S Chang
No abstract text is available yet for this article.
September 2017: Journal of Urology
https://www.readbyqxmd.com/read/28817603/expression-of-the-mhc-class-ii-in-triple-negative-breast-cancer-is-associated-with-tumor-infiltrating-lymphocytes-and-interferon-signaling
#13
In Ah Park, Seong-Hye Hwang, In Hye Song, Sun-Hee Heo, Young-Ae Kim, Won Seon Bang, Hye Seon Park, Miseon Lee, Gyungyub Gong, Hee Jin Lee
Tumor-infiltrating lymphocytes (TILs) have been known for their strong prognostic and predictive significance in triple-negative breast cancer (TNBC). Several mechanisms for TIL influx in TNBC have been elucidated. Major histocompatibility complex class II (MHC-II) is an essential component of the adaptive immune system and is generally restricted to the surface of antigen-presenting cells. However, it has been reported that interferon-gamma signaling may induce MHC-II in almost all cell types, including those derived from cancer...
2017: PloS One
https://www.readbyqxmd.com/read/28815409/insulin-like-growth-factor-igf-pathway-targeting-in-cancer-role-of-the-igf-axis-and-opportunities-for-future-combination-studies
#14
Aaron Simpson, Wilfride Petnga, Valentine M Macaulay, Ulrike Weyer-Czernilofsky, Thomas Bogenrieder
Despite a strong preclinical rationale for targeting the insulin-like growth factor (IGF) axis in cancer, clinical studies of IGF-1 receptor (IGF-1R)-targeted monotherapies have been largely disappointing, and any potential success has been limited by the lack of validated predictive biomarkers for patient enrichment. A large body of preclinical evidence suggests that the key role of the IGF axis in cancer is in driving treatment resistance, via general proliferative/survival mechanisms, interactions with other mitogenic signaling networks, and class-specific mechanisms such as DNA damage repair...
August 16, 2017: Targeted Oncology
https://www.readbyqxmd.com/read/28815334/clinical-characteristics-of-patient-selection-and-imaging-predictors-of-outcome-in-solid-tumors-treated-with-checkpoint-inhibitors
#15
REVIEW
Sabrina Rossi, Luca Toschi, Angelo Castello, Fabio Grizzi, Luigi Mansi, Egesta Lopci
The rapidly evolving knowledge on tumor immunology and the continuous implementation of immunotherapy in cancer have recently led to the FDA and EMA approval of several checkpoint inhibitors as immunotherapic agents in clinical practice. Anti-CTLA-4, anti-PD-1, and anti-PDL-1 antibodies are becoming standard of care in advanced melanoma, as well as in relapsed or metastatic lung and kidney cancer, demonstrating higher and longer response compared to standard chemotherapy. These encouraging results have fostered the evaluation of these antibodies either alone or in combination with other therapies in several dozen clinical trials for the treatment of multiple tumor types...
August 16, 2017: European Journal of Nuclear Medicine and Molecular Imaging
https://www.readbyqxmd.com/read/28815048/society-for-immunotherapy-of-cancer-consensus-statement-on-immunotherapy-for-the-treatment-of-bladder-carcinoma
#16
Ashish M Kamat, Joaquim Bellmunt, Matthew D Galsky, Badrinath R Konety, Donald L Lamm, David Langham, Cheryl T Lee, Matthew I Milowsky, Michael A O'Donnell, Peter H O'Donnell, Daniel P Petrylak, Padmanee Sharma, Eila C Skinner, Guru Sonpavde, John A Taylor, Prasanth Abraham, Jonathan E Rosenberg
The standard of care for most patients with non-muscle-invasive bladder cancer (NMIBC) is immunotherapy with intravesical Bacillus Calmette-Guérin (BCG), which activates the immune system to recognize and destroy malignant cells and has demonstrated durable clinical benefit. Urologic best-practice guidelines and consensus reports have been developed and strengthened based on data on the timing, dose, and duration of therapy from randomized clinical trials, as well as by critical evaluation of criteria for progression...
2017: Journal for Immunotherapy of Cancer
https://www.readbyqxmd.com/read/28815044/agonist-anti-gitr-antibody-significantly-enhances-the-therapeutic-efficacy-of-listeria-monocytogenes-based-immunotherapy
#17
Rajeev Shrimali, Shamim Ahmad, Zuzana Berrong, Grigori Okoev, Adelaida Matevosyan, Ghazaleh Shoja E Razavi, Robert Petit, Seema Gupta, Mikayel Mkrtichyan, Samir N Khleif
BACKGROUND: We previously demonstrated that in addition to generating an antigen-specific immune response, Listeria monocytogenes (Lm)-based immunotherapy significantly reduces the ratio of regulatory T cells (Tregs)/CD4(+) and myeloid-derived suppressor cells (MDSCs) in the tumor microenvironment. Since Lm-based immunotherapy is able to inhibit the immune suppressive environment, we hypothesized that combining this treatment with agonist antibody to a co-stimulatory receptor that would further boost the effector arm of immunity will result in significant improvement of anti-tumor efficacy of treatment...
2017: Journal for Immunotherapy of Cancer
https://www.readbyqxmd.com/read/28814451/androgen-deprivation-and-immunotherapy-for-the-treatment-of-prostate-cancer
#18
Melissa Gamat, Douglas G McNeel
Prostate cancer is the most common newly diagnosed malignancy in men, and the second most common cause of cancer-related death in the United States. The primary treatment for recurrent prostate cancer is androgen deprivation, and this therapy is typically continued life-long for patients with metastatic prostate cancer. Androgens and androgen deprivation have profound effects on the immune system, a finding that has become more appreciated in an era where immune-based treatments for cancer are being increasingly explored...
August 16, 2017: Endocrine-related Cancer
https://www.readbyqxmd.com/read/28813415/cdk4-6-inhibition-triggers-anti-tumour-immunity
#19
Shom Goel, Molly J DeCristo, April C Watt, Haley BrinJones, Jaclyn Sceneay, Ben B Li, Naveed Khan, Jessalyn M Ubellacker, Shaozhen Xie, Otto Metzger-Filho, Jeremy Hoog, Matthew J Ellis, Cynthia X Ma, Susanne Ramm, Ian E Krop, Eric P Winer, Thomas M Roberts, Hye-Jung Kim, Sandra S McAllister, Jean J Zhao
Cyclin-dependent kinases 4 and 6 (CDK4/6) are fundamental drivers of the cell cycle and are required for the initiation and progression of various malignancies. Pharmacological inhibitors of CDK4/6 have shown significant activity against several solid tumours. Their primary mechanism of action is thought to be the inhibition of phosphorylation of the retinoblastoma tumour suppressor, inducing G1 cell cycle arrest in tumour cells. Here we use mouse models of breast carcinoma and other solid tumours to show that selective CDK4/6 inhibitors not only induce tumour cell cycle arrest, but also promote anti-tumour immunity...
August 16, 2017: Nature
https://www.readbyqxmd.com/read/28812434/-pemetrexed-sildenafil-via-autophagy-dependent-hdac-down-regulation-enhances-the-immunotherapy-response-of-nsclc-cells
#20
Laurence Booth, Jane L Roberts, Andrew Poklepovic, Paul Dent
Pemetrexed is an approved therapeutic in NSCLC and ovarian cancer. Our studies focused on the ability of [pemetrexed + sildenafil] exposure to alter the immunogenicity of lung and ovarian cancer cells. Treatment of lung and ovarian cancer cells with [pemetrexed + sildenafil] in vitro rapidly reduced the expression of PD-L1, PD-L2 and ornithine decarboxylase (ODC), and increased the expression of Class I MHCA. In a cell-specific fashion, some cells also released the immunogenic nuclear protein HMGB1 into the extracellular environment...
August 16, 2017: Cancer Biology & Therapy
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