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Natural killer cell immunotherapy

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https://www.readbyqxmd.com/read/28646361/erratum-to-chimeric-antigen-receptor-car-modified-natural-killer-cell-based-immunotherapy-and-immunological-synapse-formation-in-cancer-and-hiv
#1
Dongfang Liu, Shuo Tian, Kai Zhang, Wei Xiong, Ndongala Michel Lubaki, Zhiying Chen, Weidong Han
No abstract text is available yet for this article.
June 23, 2017: Protein & Cell
https://www.readbyqxmd.com/read/28641664/-research-progress-of-cell-immunotherapy-in-treatment-of-hematological-malignancies-review
#2
Wei Zhang, Hong-Mei Jing, Ji-Jun Wang, Xiao-Yan Ke
Cell immunotherapy, as an important mean of tumor therapy, infuses a large number of immune effector cells amplified in vitro to the patients, resulting in the anti-tumor effect. There have been a series techniques of cell immunotherapy, including T lymphocyte therapy, dendritic cell-based immune cell therapy, natural killer cell therapy, gamma delta T cell therapy and so on. The preparation and culture conditions, anti-tumor mechanism, target cells etc of these immune cells are not the same, the each with its advantages and disadvantages...
June 2017: Zhongguo Shi Yan Xue Ye Xue za Zhi
https://www.readbyqxmd.com/read/28637877/ex-vivoexpanded-adaptive-nk-cells-effectively-kill-primary-acute-lymphoblastic-leukemia-cells
#3
Lisa L Liu, Vivien Beziat, Vincent Oei Yi Sheng, Aline Pfefferle, Marie Schaffer, Soren Lehmann, Eva Hellstrom-Lindberg, Stefan Soderhall, Mats Heyman, Dan Grander, Karl-Johan Malmberg
Manipulation of human NK cell repertoires promises more effective strategies for NK cell-based cancer immunotherapy. A subset of highly differentiated NK cells, termed adaptive NK cells, expands naturally in vivo in response to human cytomegalovirus (HCMV) infection, carries unique repertoires of inhibitory killer cell immunoglobulin-like receptors (KIRs), and displays strong cytotoxicity against tumor cells. Here, we established a robust and scalable protocol for ex vivo generation and expansion of adaptive NK cells for cell therapy against pediatric acute lymphoblastic leukemia (ALL)...
June 21, 2017: Cancer Immunology Research
https://www.readbyqxmd.com/read/28637024/tumor-location-impacts-immune-response-in-mouse-models-of-colon-cancer
#4
Xianda Zhao, Lihua Li, Timothy K Starr, Subbaya Subramanian
Existing preclinical models of human colorectal cancer (CRC) that rely on syngeneic subcutaneous grafts are problematic, because of increasing evidence that the immune microenvironment in subcutaneous tissue is significantly different from the gastrointestinal tract. Similarly, existing orthotopic models that use a laparotomy for establishing grafts are also problematic, because the surgical procedure results in extensive inflammation, thereby creating a nonphysiologic tumor microenvironment. To facilitate the bench-to-bedside translation of CRC immunotherapy strategies, we developed a novel orthotopic model in mice that uses endoscopy-guided microinjection of syngeneic cancer cells...
June 9, 2017: Oncotarget
https://www.readbyqxmd.com/read/28633979/zerumbone-modulates-cd1d-expression-and-lipid-antigen-presentation-pathway-in-breast-cancer-cells
#5
Ritis K Shyanti, Anuradha Sehrawat, Shivendra V Singh, J P N Mishra, Rana P Singh
Natural Killer T (NKT) cells based cancer immunotherapy is an evolving area of cancer therapy, but tumors escape from this treatment modality by altering CD1d expression and its antigen presentation pathway. Here, we have studied the relation of CD1d expression in various breast cancer cell lines to their viability and progression. We observed a novel phenomenon that CD1d expression level increases with the progressive stage of the cancer. A small molecule, zerumbone (ZER) caused down-regulation of CD1d that was accompanied by breast cancer cell growth in vitro...
June 17, 2017: Toxicology in Vitro: An International Journal Published in Association with BIBRA
https://www.readbyqxmd.com/read/28633138/combined-stimulation-with-interleukin-18-and-interleukin-12-potently-induces-interleukin-8-production-by-natural-killer-cells
#6
Sophie M Poznanski, Amanda J Lee, Tina Nham, Evan Lusty, Margaret J Larché, Dean A Lee, Ali A Ashkar
The combination of interleukin (IL)-18 and IL-12 (IL-18+IL-12) potently stimulates natural killer (NK) cells, triggering an innate immune response to infections and cancers. Strategies exploiting the effects of IL-18+IL-12 have shown promise for cancer immunotherapy. However, studies have primarily characterized the NK cell response to IL-18+IL-12 in terms of interferon (IFN)-γ production, with little focus on other cytokines produced. IL-8 plays a critical role in activating and recruiting immune cells, but it also has tumor-promoting functions...
June 21, 2017: Journal of Innate Immunity
https://www.readbyqxmd.com/read/28629173/autophagic-mechanism-in-anti-cancer-immunity-its-pros-and-cons-for-cancer-therapy
#7
REVIEW
Ying-Ying Li, Lynn G Feun, Angkana Thongkum, Chiao-Hui Tu, Shu-Mei Chen, Medhi Wangpaichitr, Chunjing Wu, Macus T Kuo, Niramol Savaraj
Autophagy, a self-eating machinery, has been reported as an adaptive response to maintain metabolic homeostasis when cancer cells encounter stress. It has been appreciated that autophagy acts as a double-edge sword to decide the fate of cancer cells upon stress factors, molecular subtypes, and microenvironmental conditions. Currently, the majority of evidence support that autophagy in cancer cells is a vital mechanism bringing on resistance to current and prospective treatments, yet whether autophagy affects the anticancer immune response remains unclear and controversial...
June 19, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28620386/the-rise-of-allogeneic-natural-killer-cells-as-a-platform-for-cancer-immunotherapy-recent-innovations-and-future-developments
#8
REVIEW
John P Veluchamy, Nina Kok, Hans J van der Vliet, Henk M W Verheul, Tanja D de Gruijl, Jan Spanholtz
Natural killer (NK) cells are critical immune effector cells in the fight against cancer. As NK cells in cancer patients are highly dysfunctional and reduced in number, adoptive transfer of large numbers of cytolytic NK cells and their potential to induce relevant antitumor responses are widely explored in cancer immunotherapy. Early studies from autologous NK cells have failed to demonstrate significant clinical benefit. In this review, the clinical benefits of adoptively transferred allogeneic NK cells in a transplant and non-transplant setting are compared and discussed in the context of relevant NK cell platforms that are being developed and optimized by various biotech industries with a special focus on augmenting NK cell functions...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28614624/new-insights-into-the-role-of-emt-in-tumor-immune-escape
#9
REVIEW
Stéphane Terry, Pierre Savagner, Sandra Ortiz-Cuaran, Linda Mahjoubi, Pierre Saintigny, Jean-Paul Thiery, Salem Chouaib
Novel immunotherapy approaches have provided durable remission in a significant number of cancer patients with cancers previously considered rapidly lethal. Nonetheless, the high degree of non-responders, and in some cases the emergence of resistance in patients who do initially respond, represents a significant challenge in the field of cancer immunotherapy. These issues prompt much more extensive studies to better understand how cancer cells escape immune surveillance and resist immune attacks. Here, we review the current knowledge of how cellular heterogeneity and plasticity could be involved in shaping the tumor microenvironment and in controlling anti-tumor immunity...
June 14, 2017: Molecular Oncology
https://www.readbyqxmd.com/read/28611673/reversing-egfr-mediated-immunoescape-by-targeted-monoclonal-antibody-therapy
#10
REVIEW
Fernando Concha-Benavente, Robert L Ferris
Uncontrolled growth is a signature of carcinogenesis, in part mediated by overexpression or overstimulation of growth factor receptors. The epidermal growth factor receptor (EGFR) mediates activation of multiple oncogenic signaling pathways and escape from recognition by the host immune system. We discuss how EGFR signaling downregulates tumor antigen presentation, upregulates suppressive checkpoint receptor ligand programmed death ligand (PD-L1), induces secretion of inhibitory molecules such as transforming growth factor beta (TGFβ) and reprograms the metabolic pathways in cancer cells to upregulate aerobic glycolysis and lactate secretion that ultimately lead to impaired cellular immunity mediated by natural killer (NK) cell and cytotoxic T lymphocytes (CTL)...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/28608807/amphotericin-b-an-anti-fungal-medication-directly-increases-the-cytotoxicity-of-nk-cells
#11
Nayoung Kim, Ji-Wan Choi, Hye-Ran Park, Inki Kim, Hun Sik Kim
Immunomodulatory drugs (IMiDs) present one example of immunomodulatory agents that improve cancer immunotherapy. Based on the cytotoxic activity of natural killer (NK) cells against cancer cells, a high throughput screening method for the identification of novel immunomodulatory molecules with the potential to stimulate NK cell cytotoxicity against cancer cells was designed and tested using an approved drug library. Among the primary hit compounds, the anti-fungal drug amphotericin B (AMP-B) increased the cytotoxicity of NK cell line and human primary NK cells in a direct manner...
June 13, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28596767/reciprocal-crosstalk-between-dendritic-cells-and-natural-killer-t-cells-mechanisms-and-therapeutic-potential
#12
REVIEW
Christian W Keller, Stefan Freigang, Jan D Lünemann
Natural killer T cells carrying a highly conserved, semi-invariant T cell receptor (TCR) [invariant natural killer T (iNKT) cells] are a subset of unconventional T lymphocytes that recognize glycolipids presented by CD1d molecules. Although CD1d is expressed on a variety of hematopoietic and non-hematopoietic cells, dendritic cells (DCs) are key presenters of glycolipid antigen in vivo. When stimulated through their TCR, iNKT cells rapidly secrete copious amounts of cytokines and induce maturation of DCs, thereby facilitating coordinated stimulation of innate and adaptive immune responses...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28593566/cellular-and-molecular-targets-for-the-immunotherapy-of-hepatocellular-carcinoma
#13
REVIEW
Vikrant Rai, Joe Abdo, Abdullah N Alsuwaidan, Swati Agrawal, Poonam Sharma, Devendra K Agrawal
Liver cancer is the sixth most common cancer worldwide and 3rd most common cause of cancer-related death. Hepatocellular carcinoma (HCC) represents more than 90% of primary liver cancer and is a major public health problem. Due to the advanced stages of HCC at the time of diagnosis, utilizing the conventional treatment for solid tumors frequently ends with treatment failure, recurrence, or poor survival. HCC is highly refractory to chemotherapy and other systemic treatments, and locoregional therapies or selective internal radiation therapies are largely palliative...
June 7, 2017: Molecular and Cellular Biochemistry
https://www.readbyqxmd.com/read/28591700/restoration-of-immune-surface-molecules-in-kaposi-sarcoma-associated-herpesvirus-infected-cells-by-lenalidomide-and-pomalidomide
#14
David A Davis, Suraj Mishra, Holda A Anagho, Ashley I Aisabor, Prabha Shrestha, Victoria Wang, Yuki Takamatsu, Kenji Maeda, Hiroaki Mitsuya, Jerome B Zeldis, Robert Yarchoan
Kaposi sarcoma-associated herpesvirus (KSHV) is the cause of several tumors, including Kaposi sarcoma and primary effusion lymphoma (PEL). Most viruses have evolved means of escaping immune recognition. KSHV downregulates MHC-I expression during lytic infection, and expression of ICAM-1 and B7-2 (CD86) during latent infection, allowing evasion of T cell and natural killer immunity respectively. These effects are largely mediated by two KSHV-encoded proteins, K3 and K5. We show here that lenalidomide (Len) and pomalidomide (Pom) prevent down-regulation of MHC-I during lytic activation, and restore ICAM-1 and B7-2 surface expression in latently infected PEL cells...
May 17, 2017: Oncotarget
https://www.readbyqxmd.com/read/28588787/allogenic-natural-killer-cell-immunotherapy-of-sizeable-ovarian-cancer-a-case-report
#15
Silun Xie, Jibing Chen, Mingjiie Zhang, Zhengyi Wu
Masses are often detected in the abdomen of patients with sizeable ovarian cancer. There are currently no effective treatments available for late-stage ovarian cancer. Immunotherapy is gaining increasing attention worldwide in the clinical setting due to its ability to eliminate tumor cells and its favorable toxicity profile. We herein report the case of a 60-year-old woman who received allogenic natural killer (NK) cell immunotherapy for a sizeable ovarian carcinoma and achieved a noteworthy response. NK cells were isolated from the patient's own peripheral blood mononuclear cells, and the cell numbers were increased to 8-10 billion...
June 2017: Molecular and Clinical Oncology
https://www.readbyqxmd.com/read/28585539/il-21-mediated-reversal-of-nk-cell-exhaustion-facilitates-anti-tumour-immunity-in-mhc-class-i-deficient-tumours
#16
Hyungseok Seo, Insu Jeon, Byung-Seok Kim, Myunghwan Park, Eun-Ah Bae, Boyeong Song, Choong-Hyun Koh, Kwang-Soo Shin, Il-Kyu Kim, Kiyoung Choi, Taegwon Oh, Jiyoun Min, Byung Soh Min, Yoon Dae Han, Suk-Jo Kang, Sang Joon Shin, Yeonseok Chung, Chang-Yuil Kang
During cancer immunoediting, loss of major histocompatibility complex class I (MHC-I) in neoplasm contributes to the evasion of tumours from host immune system. Recent studies have demonstrated that most natural killer (NK) cells that are found in advanced cancers are defective, releasing the malignant MHC-I-deficient tumours from NK-cell-dependent immune control. Here, we show that a natural killer T (NKT)-cell-ligand-loaded tumour-antigen expressing antigen-presenting cell (APC)-based vaccine effectively eradicates these advanced tumours...
June 6, 2017: Nature Communications
https://www.readbyqxmd.com/read/28585428/anti-hepatocarcinoma-activity-of-tt-1-an-analog-of-melittin-combined-with-interferon-%C3%AE-via-promoting-the-interaction-of-nkg2d-and-mica
#17
Lan-Lan Wan, Da-Qi Zhang, Jin-Nan Zhang, Li-Qun Ren
Hepatocarcinoma is one of the malignant cancers with significant morbidity and mortality. Immunotherapy has emerged in clinical treatment, owing to the limitation and severe side effects of chemotherapy. In the immune system, natural killer (NK) cells are important effectors required to eliminate malignant tumor cells without the limitation of major histocompatibility complex (MHC) molecule issues. Hence, treatment which could stimulate NK cells is of great interest. Here, we investigated the efficacy of the combined therapy of TT-1 (a mutant of melittin) and interferon-α (IFN-α) on NK cells and human liver cancer HepG-2/Huh7 cells in vitro and in vivo, as well as the mechanism involved...
June 2017: Journal of Zhejiang University. Science. B
https://www.readbyqxmd.com/read/28578499/thermal-treatment-of-luteolin-7-o-%C3%AE-glucoside-improves-its-immunomodulatory-and-antioxidant-potencies
#18
Mouna Maatouk, Nadia Mustapha, Imen Mokdad-Bzeouich, Hind Chaaban, Besma Abed, Irina Iaonnou, Kamel Ghedira, Mohamed Ghoul, Leila Chekir Ghedira
Phytochemicals extracted from flowers, roots and bark, leaves, and other plant sources have been used extensively throughout human history with varying levels of efficacy in prevention and treatment of disease. Recently, advanced methods for characterization and clinical use of these materials have allowed modern understanding of their properties to be used as immunomodulatory agents that act by enhancement of endogenous cytoprotective mechanisms, avoiding interference with normal physiologic signaling and highly effective medical treatment with minimal adverse side effects...
June 4, 2017: Cell Stress & Chaperones
https://www.readbyqxmd.com/read/28572802/chimeric-antigen-receptor-engineered-nk-92-cells-an-off-the-shelf-cellular-therapeutic-for-targeted-elimination-of-cancer-cells-and-induction-of-protective-antitumor-immunity
#19
Congcong Zhang, Pranav Oberoi, Sarah Oelsner, Anja Waldmann, Aline Lindner, Torsten Tonn, Winfried S Wels
Significant progress has been made in recent years toward realizing the potential of natural killer (NK) cells for cancer immunotherapy. NK cells can respond rapidly to transformed and stressed cells and have the intrinsic potential to extravasate and reach their targets in almost all body tissues. In addition to donor-derived primary NK cells, also the established NK cell line NK-92 is being developed for adoptive immunotherapy, and general safety of infusion of irradiated NK-92 cells has been established in phase I clinical trials with clinical responses observed in some of the cancer patients treated...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28571003/bptf-inhibits-nk-cell-activity-and-the-abundance-of-natural-cytotoxicity-receptor-co-ligands
#20
Kimberly Mayes, Zeinab Elsayed, Aiman Alhazmi, Michael Waters, Suehyb G Alkhatib, Mark Roberts, Carolyn Song, Kristen Peterson, Vivian Chan, Nikhil Ailaney, Pumoli Malapati, Tana Blevins, Berislav LisniÄ, Catherine I Dumur, Joseph W Landry
Using syngeneic BALB/c mouse breast cancer models, we show that the chromatin remodeling subunit bromodomain PHD finger transcription factor (BPTF) suppresses natural killer (NK) cell antitumor activity in the tumor microenvironment (TME). In culture, BPTF suppresses direct natural cytotoxicity receptor (NCR) mediated NK cell cytolytic activity to mouse and human cancer cell lines, demonstrating conserved functions. Blocking mouse NCR1 in vivo rescues BPTF KD tumor weights, demonstrating its importance for the control of tumor growth...
May 12, 2017: Oncotarget
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