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https://www.readbyqxmd.com/read/28716652/toxicity-profiles-of-immunotherapy
#1
REVIEW
Sophie Cousin, Antoine Italiano
Immunotherapies are changing the landscape of advanced solid tumor treatment. These therapies have different mechanisms of action and include oncolytic viruses, checkpoint inhibitors, such as CTLA-4 or PD1/PD-L1 monoclonal antibodies, and CSF-1R antibodies. Given the growing therapeutic impact of these agents in oncology, it is important to better understand their properties. Immunotherapies generate new toxicity profiles that are called immune-related adverse events and require specific management. This review focuses on the mechanisms of action of such side effects, as well as their description and their general management...
July 14, 2017: Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/28714780/atezolizumab-for-the-treatment-of-non-small-cell-lung-cancer
#2
Fernando C Santini, Charles M Rudin
The immune system can restrain or promote cancer development and growth. Antibodies targeting immune checkpoints have revolutionized cancer treatment. Among the best responses have been in non-small cell lung cancer (NSCLC) which is largely caused by chronic exposure to carcinogens; associated with high neoantigen creation and sensitization to immune recognition. Atezolizumab was the first approved antibody that targets the PD-1 ligand (PD-L1). Areas Covered: This drug profile article covers the basics of the cancer-immunity cycle and reviews some aspects of innate and adaptive immunology...
July 17, 2017: Expert Review of Clinical Pharmacology
https://www.readbyqxmd.com/read/28713869/association-of-anisocytosis-with-markers-of-immune-activation-and-exhaustion-in-treated-hiv
#3
Sadeer G Al-Kindi, David A Zidar, Grace A McComsey, Chris T Longenecker
BACKGROUND: Treated HIV infection is associated with heightened inflammation which can contribute to increased risk of cardiovascular disease (CVD). We have previously shown that anisocytosis, as measured by red cell distribution width (RDW), is independently associated with prevalent CVD in people living with HIV (PLHIV). In this study, we sought to identify immune correlates of RDW in PLHIV receiving antiretroviral therapy. METHODS: We performed a cross-sectional and longitudinal analysis of 147 virally-suppressed PLHIV, who had LDL < 130 mg/dL and evidence of heightened inflammation, in a randomized trial of statin therapy...
2017: Pathogens & Immunity
https://www.readbyqxmd.com/read/28708863/negative-modulation-of-suppressive-hiv-specific-regulatory-t-cells-by-il-2-adjuvanted-therapeutic-vaccine
#4
Vedran Brezar, Lylia Hani, Mathieu Surenaud, Audrey Hubert, Christine Lacabaratz, Jean-Daniel Lelièvre, Yves Levy, Nabila Seddiki
The potential benefit in using IL-2 in immunotherapy for cancer and autoimmunity has been linked to the modulation of immune responses, which partly relies on a direct effect on Tregs populations. Here, we revisited the role of IL-2 in HIV infection and investigated whether its use as an adjuvant with therapeutic vaccination, impacts on HIV-specific responses. Antiretroviral therapy treated-patients were randomized to receive 4 boosts of vaccination (ALVACHIV/Lipo-6T, weeks 0/4/8/12) followed by 3 cycles of IL-2 (weeks 16/24/32) before treatment interruption (TI) at week40...
July 14, 2017: PLoS Pathogens
https://www.readbyqxmd.com/read/28707403/melanocytic-lesion-evolution-patterns-with-targeted-therapies-and-immunotherapies-for-advanced-metastatic-melanoma-an-observational-study
#5
Cathy Yunjia Zhao, Shelley Ji Eun Hwang, Deepal Wakade, Giuliana Carlos, Rachael Anforth, Pablo Fernández-Peñas
BACKGROUND/OBJECTIVES: Various cutaneous side-effects have been reported with anti-melanoma systemic therapies. This study investigated the changes in melanocytic lesion pigmentation in patients on four different therapies. METHODS: We analysed the serial dermatoscopic photographs of atypical melanocytic lesions taken from patients with advanced metastatic melanoma on four different systemic therapies (selective BRAF-inhibitor monotherapy, dabrafenib combined with trametinib [D&T], anti-programmed cell death protein 1 [anti-PD1] therapies, and anti-PD1 combined with ipilimumab) seen from February 2013 to May 2016...
July 14, 2017: Australasian Journal of Dermatology
https://www.readbyqxmd.com/read/28707167/supportive-care-for-patients-undergoing-immunotherapy
#6
Bernardo Leon Rapoport, Ronwyn van Eeden, Vincent Sibaud, Joel B Epstein, Jean Klastersky, Matti Aapro, Devan Moodley
Immune checkpoint inhibitors, a new class of cancer therapeutic agents, play an important role in the management of melanoma, NSCLC, and other malignancies. A workshop organized by three MASCC Study Groups: Oral Care, Skin Toxicities, and Neutropenia, Infection, and Myelosuppression during the MASCC Annual Meeting held in Adelaide, Australia on 23-25 June, 2016 focused on the new class of anti-cancer therapeutic agents. Topics in the workshop included the mechanism of action and clinical uses of immune anti-CTL4 and anti-PD1 antibodies, checkpoint inhibitor toxicities, including skin adverse events, gastrointestinal toxicities, oral complications, pulmonary toxicities, and endocrinological and immune-related infections...
July 13, 2017: Supportive Care in Cancer: Official Journal of the Multinational Association of Supportive Care in Cancer
https://www.readbyqxmd.com/read/28706148/expression-differences-of-programmed-death-ligand-1-in-de-novo-and-recurrent-glioblastoma-multiforme
#7
Sabrina Heynckes, Annette Gaebelein, Gerrit Haaker, Jürgen Grauvogel, Pamela Franco, Irina Mader, Maria Stella Carro, Marco Prinz, Daniel Delev, Oliver Schnell, Dieter Henrik Heiland
The biology of recurrent glioblastoma multiforme (GBM) is a dynamic process influenced by selection pressure induced by different antitumoural therapies. The poor clinical outcome of tumours in the recurrent stage necessitates the development of effective therapeutic strategies. Checkpoint-inhibition (PD1/PD-L1 Inhibition) is a hallmark of immunotherapy being investigated in ongoing clinical trials. The purpose of this study was to analyse the PD-L1 expression in de-novo and recurrent glioblastoma multiforme and to explore associated genetic alterations and clinical traits...
June 28, 2017: Oncotarget
https://www.readbyqxmd.com/read/28700789/hair-repigmentation-during-immunotherapy-treatment-with-an-anti-programmed-cell-death-1-and-anti-programmed-cell-death-ligand-1-agent-for-lung-cancer
#8
Noelia Rivera, Aram Boada, M Isabel Bielsa, M Teresa Fernández-Figueras, Enric Carcereny, M Teresa Moran, Carlos Ferrándiz
Importance: New targeted therapies for cancer have been released in recent years, opening new horizons in the treatment of patients with cancer. However, their related adverse events (AE) are not fully characterized. Hair repigmentation (HR) is a nondescribed effect secondary to anti-programmed cell death 1 (anti-PD-1) and anti-programmed cell death ligand 1 (anti-PD-L1 ) therapy for treatment of lung cancer (LC), in opposition to the vitiligo reactions that develop during melanoma treatment...
July 12, 2017: JAMA Dermatology
https://www.readbyqxmd.com/read/28698369/a-distinct-subpopulation-of-cd25-t-follicular-regulatory-cells-localizes-in-the-germinal-centers
#9
James Badger Wing, Yohko Kitagawa, Michela Locci, Hannah Hume, Christopher Tay, Takayoshi Morita, Yujiro Kidani, Kyoko Matsuda, Takeshi Inoue, Tomohiro Kurosaki, Shane Crotty, Cevayir Coban, Naganari Ohkura, Shimon Sakaguchi
T-follicular helper (Tfh) cells differentiate through a multistep process, culminating in germinal center (GC) localized GC-Tfh cells that provide support to GC-B cells. T-follicular regulatory (Tfr) cells have critical roles in the control of Tfh cells and GC formation. Although Tfh-cell differentiation is inhibited by IL-2, regulatory T (Treg) cell differentiation and survival depend on it. Here, we describe a CD25(-) subpopulation within both murine and human PD1(+)CXCR5(+)Foxp3(+) Tfr cells. It is preferentially located in the GC and can be clearly differentiated from CD25(+) non-GC-Tfr, Tfh, and effector Treg (eTreg) cells by the expression of a wide range of molecules...
July 11, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28690844/pd1-functions-by-inhibiting-cd28-mediated-co-stimulation
#10
EDITORIAL
Jake S O'Donnell, Mark J Smyth, Michele W L Teng
No abstract text is available yet for this article.
May 2017: Clinical & Translational Immunology
https://www.readbyqxmd.com/read/28688685/prognostic-role-of-tumor-infiltrating-lymphocytes-in-ebv-positive-and-ebv-negative-nasopharyngeal-carcinoma
#11
Marc L Ooft, Jolique A van Ipenburg, Weibel W Braunius, Charlotte I Zuur, Senada Koljenović, Stefan M Willems
OBJECTIVES: Tumor infiltrating lymphocytes (TILs) correlate with both better and worse prognosis in solid tumors. As therapeutic modalities for nasopharyngeal carcinoma (NPC) are limited, immunotherapy could be a potential alternative. Up till now there is limited prognostic data on the role of TILs in NPC, so we assessed the prognostic role of TILs in Epstein-Barr-virus (EBV) positive and negative NPC. METHODS: Tissue of 92 NPCs was assessed for CD3, CD4, CD8, PD1 and PDL1 expression in the tumor's micro-environment...
August 2017: Oral Oncology
https://www.readbyqxmd.com/read/28684311/hippo-effector-yap-directly-regulates-the-expression-of-pd-l1-transcripts-in-egfr-tki-resistant-lung-adenocarcinoma
#12
Byung Soo Lee, Dong Il Park, Da Hye Lee, Jeong Eun Lee, Min-Kyung Yeo, Yeon Hee Park, Dae Sik Lim, Wonyoung Choi, Da Hye Lee, Geon Yoo, Han-Byul Kim, Dahyun Kang, Jae Young Moon, Sung Soo Jung, Ju Ock Kim, Hee Sun Park, Chaeuk Chung
Developments of EGFR-TKI and immunotherapy targeting the PD1/PD-L1 pathway are considered most important medical breakthroughs in lung cancer treatment. Nowadays, 3rd generation EGFR TKI is widely used for T790M positive 1st and 2nd EGFR-TKI resistant lung cancer patients. Immunotherapy is powerful option for lung cancer patients without drug targets and chemotherapy resistant patients. It also has changed the concept of conventional anti-cancer therapy in the point of regulating tumor microenvironment. There are many studies linking these two important pathways...
July 3, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28684274/construction-of-high-level-prokaryotic-expression-and-purification-system-of-pd-l1-extracellular-domain-by-using-escherichia-coli-host-cell-machinery
#13
Muhammad Kalim, Jie Chen, Shenghao Wang, Caiyao Lin, Saif Ullah, Keying Liang, Qian Ding, Shuqing Chen, Jinbiao Zhan
Programmed cell death 1 ligand 1 (PD-L1) is a trans-membrane protein highly expressed on the membrane of cancer cell, which binds inhibitory receptor of PD-1 on the T cells and attenuates anti-tumor immune response.The strategy of blocking PD1 and PD-L1 interaction has been widely used for anti-cancer drug development. The DNA encoding extracellular domain of PD-L1wascloned and expressed with the pET30(+) and Escherichia coli BL21(DE3) system. Cloning of PD-L1 extracellular domain was confirmed by PCR and enzymatic digestion...
July 3, 2017: Immunology Letters
https://www.readbyqxmd.com/read/28680755/bispecific-antibody-does-not-induce-t-cell-death-mediated-by-chimeric-antigen-receptor-against-disialoganglioside-gd2
#14
Sayed Shahabuddin Hoseini, Konstantin Dobrenkov, Dmitry Pankov, Xiaoliang L Xu, Nai-Kong V Cheung
Chimeric antigen receptors (CAR) and bispecific antibodies (BsAb) are two powerful immunotherapy approaches for retargeting lymphocytes toward cancer cells. Despite their success in lymphoblastic leukemia, solid tumors have been more recalcitrant. Identifying therapeutic barriers facing CAR-modified (CART) or BsAb-redirected T (BsAb-T) cells should facilitate their clinical translation to solid tumors. Novel lentiviral vectors containing low-affinity or high-affinity 4-1BB second-generation anti-GD2 (disialoganglioside) CARs were built to achieve efficient T cell transduction...
2017: Oncoimmunology
https://www.readbyqxmd.com/read/28674210/chinese-medicine-ginseng-and-astragalus-granules-ameliorate-autoimmune-diabetes-by-upregulating-both-cd4-foxp3-and-cd8-cd122-pd1-regulatory-t-cells
#15
Yeshu Wang, Qingfeng Xie, Chun-Ling Liang, Qiaohuang Zeng, Zhenhua Dai
Type 1 diabetes mellitus (T1DM) is an autoimmune disease mainly mediated by effector T cells that are activated by autoantigen, thereby resulting in the destruction of pancreatic islets and deficiency of insulin. Cyclosporine is widely used as an immunosuppressant that suppresses autoimmunity in clinic. However, continuous treatments with conventional immunosuppressive drugs may cause severe side effects. Therefore it is important to seek alternative medicine. Chinese medicine Ginseng and Astragalus granule (GAG) was used to successfully treat type 2 diabetes mellitus in clinic in China...
June 27, 2017: Oncotarget
https://www.readbyqxmd.com/read/28671973/pd-l1-expression-in-pleomorphic-spindle-cell-and-giant-cell-carcinoma-of-the-lung-is-related-to-ttf-1-p40-expression-and-might-indicate-a-worse-prognosis
#16
Violaine Yvorel, Arnaud Patoir, François Casteillo, Claire Tissot, Pierre Fournel, Marie-Laure Stachowicz, Georgia Karpathiou, Olivier Tiffet, Michel Péoc'h, Fabien Forest
Lung sarcomatoid carcinoma of the lung is a rare tumor with a poor prognosis. More than 90% of them are pleomorphic, spindle cell and giant cell carcinoma (PSCGCC). This rare subtype of lung cancer is thought to be more resistant to chemotherapy, and a small subset of them seems to exhibit targetable mutations. Immunotherapy against PD1/PDL-1 is a new emerging treatment, and might be of interest in PSGSCC because they frequently express PD-L1. The aim of our work is to evaluate PD1 and PDL-1 expression in a surgical series of lung PSCGCC and their relationship with morphological and immunohistochemical parameters and prognosis...
2017: PloS One
https://www.readbyqxmd.com/read/28671728/clonality-analysis-of-synchronous-gastroesophageal-junction-carcinoma-and-distal-gastric-cancer-by-whole-exome-sequencing
#17
Xiaofang Xing, Shuqin Jia, Jianmin Wu, Qin Feng, Bin Dong, Bo Li, Yongning Jia, Fei Shan, Ying'ai Li, Yan Zhang, Ying Hu, Xiaodong Wang, Xiangtao Liu, Shiwei Yu, Lianhai Zhang, Zhaode Bu, Aiwen Wu, Ziyu Li, Jiafu Ji
Gastroesophageal junction (GEJ) carcinoma and distal gastric cancer (GC) have distinct epidemiology and clinical features and their relationship is uncertain. Synchronous multiple gastric cancers located mostly at proximal and distal sites provide rare specimens for investigating the comprehensive genomic relationships among these cancers in the context of identical genetic circumstances. Formalin-fixed, paraffin-embedded (FFPE) samples from 12 patients with synchronous GEJ carcinoma and distal GC were collected in this study...
July 3, 2017: Journal of Pathology
https://www.readbyqxmd.com/read/28671336/toxicity-of-zearalenone-on-the-intestines-of-pregnant-sows-and-their-offspring-and-alleviation-with-modified-halloysite-nanotubes
#18
Min Liu, Dandan Zhu, Tao Guo, Yuanyuan Zhang, Baoming Shi, Anshan Shan, Zhihui Chen
BACKGROUND: The objective of this study was to examine the effects of maternal exposure to zearalenone (ZEN) on the intestines of pregnant sows and offspring on postnatal days (PD) 1, 21 and 188. Eighteen pregnant sows (six per treatment) were fed a control diet (ZEN, 0.03 mg kg(-1) ), ZEN diet (ZEN, 2.77 mg kg(-1) ), and ZEN+1% modified halloysite nanotube (MHNT) diet (ZEN, 2.76 mg kg(-1) ) respectively from gestation days (GD) 35 to 70. At the end of the experiment, three sows of each group on GD70 and the offspring on PD1, PD21 and PD188 were killed to analyze the changes of intestines...
July 3, 2017: Journal of the Science of Food and Agriculture
https://www.readbyqxmd.com/read/28670966/malnutrition-in-hiv-infected-children-is-an-indicator-of-severe-disease-with-an-impaired-response-to-antiretroviral-therapy
#19
Maximilian Muenchhoff, Michael Healy, Ravesh Singh, Julia Roider, Andreas Groll, Chirjeev Kindra, Thobekile Sibaya, Angeline Moonsamy, Callum McGregor, Michelle Q Phan, Alejandro Palma, Henrik Kloverpris, Alasdair Leslie, Raziya Bobat, Philip S LaRussa, Thumbi Ndung'u, Philip Jr Goulder, Magdalena E Sobieszczyk, Mohendran Archary
Objectives This observational study aimed to describe immunopathogenesis and treatment outcomes in children with and without severe acute malnutrition (SAM) and HIV-infection. Design We studied markers of microbial translocation (16sDNA), intestinal damage (iFABP), monocyte activation (sCD14), T-cell activation (CD38, HLA-DR) and immune exhaustion (PD1) in 32 HIV-infected children with and 41 HIV-infected children without SAM prior to initiation of antiretroviral therapy (ART) and cross-sectionally compared these children to 15 HIV-uninfected children with and 19 HIV-uninfected children without SAM...
July 2, 2017: AIDS Research and Human Retroviruses
https://www.readbyqxmd.com/read/28670716/adoptive-transfer-of-murine-t-cells-expressing-a-chimeric-pd1-dap10-receptor-as-an-immunotherapy-for-lymphoma
#20
Adam Lynch, William Hawk, Emily Nylen, Sean Ober, Pierre Autin, Amorette Barber
Adoptive transfer of T cells is a promising cancer therapy and expression of chimeric antigen receptors can enhance tumor recognition and T cell effector functions. The PD1 receptor is a prospective target for a chimeric antigen receptor because PD1 ligands are expressed on many cancer types, including lymphoma. Therefore, we developed a murine chimeric PD1 receptor (chPD1) consisting of the PD1 extracellular domain fused to the cytoplasmic domain of CD3 zeta. Additionally, chimeric antigen receptor therapies utilize various costimulatory domains to enhance efficacy...
July 3, 2017: Immunology
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