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https://www.readbyqxmd.com/read/28231624/targets-and-mechanisms-in-prevention-of-parkinson-s-disease-through-immunomodulatory-treatments
#1
REVIEW
Marianne von Euler Chelpin, Thomas Vorup-Jensen
Parkinson's Disease (PD) is the second most common neurodegenerative disease in the world, however, there is no cure for it. Current treatments only relieve some of the symptoms, without ceasing the disease, and lose efficacy with prolonged treatment. Considerable evidence shows that persistent inflammatory responses, involving T cell infiltration and glial cell activation, are common characteristics of human patients and play a crucial role in the degeneration of dopaminergic neurons. Therefore, it is important to develop therapeutic strategies that can impede or halt the disease through the modulation of the peripheral immune system by aiming at controlling the existing neuroinflammation...
February 23, 2017: Scandinavian Journal of Immunology
https://www.readbyqxmd.com/read/28231592/cxcr4-a-new-player-in-an-old-scene
#2
Andreas Knopf, Marie Kristin Fritsche, Yin Li
Transmembrane C-X-C chemokine receptor 4 (CXCR4) and its ligand C-X-C motif chemokine 12 (CXCL12) came into focus in many solid cancers, allowing a more fundamental diagnostic and therapeutic approach by modulating the immune response against cancer cells. CXCR4 and CXCL12 mediate cell proliferation, migration, and metastatic outgrowth in head and neck squamous cell carcinoma (HNSCC) and are strongly associated with cancer recurrence and patient survival. Despite recent advances in molecular imaging and cancer therapy in lymphoma using CXCL12 analogues, clinical trials evaluating the diagnostic and therapeutic impact on HNSCC are missing...
February 24, 2017: ORL; Journal for Oto-rhino-laryngology and its related Specialties
https://www.readbyqxmd.com/read/28231588/checkpoint-inhibition-in-head-and-neck-cancer-immune-therapeutic-options-limitations-and-beyond
#3
Bastian Höchst, Percy A Knolle
The immune system functions to defend the organism against infectious microorganisms but also against transformed cells. This key role of the immune system, in particular cancer-specific T cells, in eliminating cancer cells is compromised by various immune escape strategies employed by cancer cells and the cancer microenvironment. Here, we review the current knowledge about the immune escape mechanisms of cancer and the attempts to reconstitute cancer-specific immunity by using checkpoint inhibitors in head and neck squamous cell carcinoma...
February 24, 2017: ORL; Journal for Oto-rhino-laryngology and its related Specialties
https://www.readbyqxmd.com/read/28231577/response-evaluation-in-head-and-neck-oncology-definition-and-prediction
#4
T K Hoffmann, P J Schuler, S Laban, R Grässlin, M Beer, A J Beer, U Friebe-Hoffmann, L Bullinger, P Möller, T Wiegel
Curative treatment of head and neck squamous cell carcinoma includes surgery and/or (chemo)radiation, whereas in the palliative setting, chemotherapy and/or immunotherapy represent(s) the standard approach. With regard to quality control, methods for determining treatment response are sorely needed. For surgical therapy, histopathology is the standard quality control. Established criteria for high-risk patients include resection margins of the primary tumor and extracapsular extension of lymph node metastases...
February 24, 2017: ORL; Journal for Oto-rhino-laryngology and its related Specialties
https://www.readbyqxmd.com/read/28231567/innate-lung-defense-during-invasive-aspergillosis-new-mechanisms
#5
Jaleesa M Garth, Chad Steele
Invasive aspergillosis (IA) is one of the most difficult to treat and, consequently, one of the most lethal fungal infections known to man. Continued use of immunosuppressive agents during chemotherapy and organ transplantation often leads to the development of neutropenia, the primary risk factor for IA. However, IA is also becoming more appreciated in chronic diseases associated with corticosteroid therapy. The innate immune response to Aspergillus fumigatus, the primary agent in IA, plays a pivotal role in the recognition and elimination of organisms from the pulmonary system...
February 24, 2017: Journal of Innate Immunity
https://www.readbyqxmd.com/read/28231560/the-expanding-role-of-immunotherapy
#6
REVIEW
Juan Martin-Liberal, María Ochoa de Olza, Cinta Hierro, Alena Gros, Jordi Rodon, Josep Tabernero
The use of agents able to modulate the immune system to induce or potentiate its anti-tumour activity is not a new strategy in oncology. However, the development of new agents such as immune checkpoint inhibitors has achieved unprecedented efficacy results in a wide variety of tumours, dramatically changing the landscape of cancer treatment in recent years. Ipilimumab, nivolumab, pembrolizumab or atezolizumab are now standard of care options in several malignancies and new indications are being approved on a regular basis in different tumours...
February 11, 2017: Cancer Treatment Reviews
https://www.readbyqxmd.com/read/28231431/enhancing-adoptive-cell-therapy-of-cancer-through-targeted-delivery-of-small-molecule-immunomodulators-to-internalizing-or-non-internalizing-receptors
#7
Yiran Zheng, Li Tang, Llian Mabardi, Sudha Kumari, Darrell J Irvine
Adoptive cell therapy (ACT) has achieved striking efficacy in B-cell leukemias, but less success treating other cancers, in part due to the rapid loss of ACT T-cell effector function in vivo due to immunosuppression in solid tumors. Transforming growth factor-β (TGF-β) signaling is an important mechanism of immune suppression in the tumor microenvironment, but systemic inhibition of TGF-β is toxic. Here we evaluated the potential of targeting a small molecule inhibitor of TGF-β to ACT T-cells using PEGylated immunoliposomes...
February 23, 2017: ACS Nano
https://www.readbyqxmd.com/read/28231269/a-mouse-model-of-paralytic-myelitis-caused-by-enterovirus-d68
#8
Alison M Hixon, Guixia Yu, J Smith Leser, Shigeo Yagi, Penny Clarke, Charles Y Chiu, Kenneth L Tyler
In 2014, the United States experienced an epidemic of acute flaccid myelitis (AFM) cases in children coincident with a nationwide outbreak of enterovirus D68 (EV-D68) respiratory disease. Up to half of the 2014 AFM patients had EV-D68 RNA detected by RT-PCR in their respiratory secretions, although EV-D68 was only detected in cerebrospinal fluid (CSF) from one 2014 AFM patient. Given previously described molecular and epidemiologic associations between EV-D68 and AFM, we sought to develop an animal model by screening seven EV-D68 strains for the ability to induce neurological disease in neonatal mice...
February 2017: PLoS Pathogens
https://www.readbyqxmd.com/read/28230773/programmed-death-ligand-1-pd-l1-tumor-expression-is-associated-with-a-better-prognosis-and-diabetic-disease-in-triple-negative-breast-cancer-patients
#9
Gerardo Botti, Francesca Collina, Giosuè Scognamiglio, Federica Rao, Valentina Peluso, Rossella De Cecio, Michela Piezzo, Gabriella Landi, Michelino De Laurentiis, Monica Cantile, Maurizio Di Bonito
Triple Negative Breast Cancers (TNBC) subtype is an aggressive disease with poor clinical outcome. The only treatment available is surgery followed by chemotherapy or radiotherapy. Programmed death-ligand 1 (PD-L1) is a trans-membrane protein expressed on a wide variety of cells including immune cells, epithelial and vascular endothelial cells. Recently, PD-1/PD-L1 pathway signaling was described as an adaptive immune resistance mechanism enacted by the tumor cells to evade the immune response. Its presence on tumor cell membranes, acquired for this reason, through time, is an important prognostic value...
February 21, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28230277/immune-checkpoint-blockade-biology-in-mouse-models-of-glioblastoma
#10
Alan T Yeo, Al Charest
Glioblastoma Multiforme (GBM) is a highly malignant primary brain cancer that is associated with abysmal prognosis. The median survival of GBM patients is ∼15 months and there have not been any significant advance in therapies in over a decade, leaving treatment options limited. There is clearly an unmet need for GBM treatment. Immunotherapies are treatments based on usurping the power of the host's immune system to recognize and eliminate cancer cells. They have recently proven to be a successful strategy for combating a variety of cancers...
February 23, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28229976/immune-modulation-by-dendritic-cell-based-cancer-vaccines
#11
Chaitanya Kumar, Sakshi Kohli, Poonamalle Parthasarathy Bapsy, Ashok Kumar Vaid, Minish Jain, Venkata Sathya Suresh Attili, Bandana Sharan
The interplay between host immunity and tumour cells has opened the possibility of targeting tumour cells by modulation of the human immune system. Cancer immunotherapy involves the treatment of a tumour by utilizing the recombinant human immune system components to target the pro-tumour microenvironment or by revitalizing the immune system with the ability to kill tumour cells by priming the immune cells with tumour antigens. In this review, current immunotherapy approaches to cancer with special focus on dendritic cell (DC)-based cancer vaccines are discussed...
March 2017: Journal of Biosciences
https://www.readbyqxmd.com/read/28229424/three-dimensional-printed-scaffolds-with-multipotent-mesenchymal-stromal-cells-for-rabbit-mandibular-reconstruction-and-engineering
#12
Dongdong Fang, Michael Roskies, Mohamed-Nur Abdallah, Mohammed Bakkar, Jack Jordan, Li-Chieh Lin, Faleh Tamimi, Simon D Tran
Multipotent mesenchymal stromal cells (MSC) derived from both the bone marrow and adipose tissue possess the ability to differentiate into multiple cell lineages, regulate the immune function by secreting numerous bioactive paracrine factors, and hold great potential in cell therapy and tissue engineering. When combined with three-dimensional (3D) scaffolds, MSC can be used for bone defect reconstruction and engineering. This protocol describes the isolation of bone marrow mesenchymal stromal cells (BMMSC) and adipose-tissue derived stem cells (ADSC) from rabbits for subsequent seeding on tissue-engineered 3D-printed scaffolds and transplantation into a rabbit-model with the goal of repairing large osseous mandibular defects (one quarter of the lower jaw is removed surgically)...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28229422/therapeutic-application-of-adult-stem-cells-in-the-heart
#13
Taylor A Johnson, Dinender K Singla
Cell therapies have been explored as a potential treatment avenue to treat heart diseases, such as myocardial infarction, doxorubicin-induced cardiomyopathy, and heart failure. Embryonic and adult stem cells (ASCs) have been examined in animal and clinical settings. Unlike embryonic and induced pluripotent stem cells, ASCs do not pose a threat to form teratomas, nor do they have immune system concerns, making them ideal for therapeutic use in humans. In this review, we will investigate different characteristics and sources of adult stem cells and progenitor cells, as well as determine their efficacy in cell transplantation in experimental and clinical trials...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28229402/next-generation-sequencing-to-guide-treatment-of-advanced-melanoma
#14
Klaus G Griewank, Bastian Schilling
Next-generation sequencing (NGS) has provided significant insights into the pathogenesis of human malignancies. In advanced melanoma, two therapeutic avenues have appeared and have immediately become the standard of care, i.e. targeted therapy with small molecule inhibitors, and immune checkpoint blockade. Sequencing has always been essential for determining which patients may benefit from targeted therapies (e.g. the presence of BRAF mutations). While sequencing does not currently help recognize which patients might benefit from immune checkpoint blockade, recent data suggest that this may change...
February 22, 2017: American Journal of Clinical Dermatology
https://www.readbyqxmd.com/read/28229282/clinical-studies-in-hematologic-microtransplantation
#15
REVIEW
Kevin A David, Dennis Cooper, Roger Strair
The anti-tumor effects of allogeneic hematopoietic stem cell transplantation depend upon engraftment of donor cells followed by a graft-versus-tumor (GVT) effect. However, pre-clinical and clinical studies have established that under certain circumstances, anti-tumor responses can occur despite the absence of high levels of durable donor cell engraftment. Tumor response with little or no donor engraftment has been termed "microtransplantation." It has been hard to define conditions leading to tumor responses without donor cell persistence in humans because the degree of engraftment depends very heavily upon many patient-specific factors, including immune status and degree of prior therapy...
February 22, 2017: Current Hematologic Malignancy Reports
https://www.readbyqxmd.com/read/28229253/the-biology-of-uveal-melanoma
#16
Adriana Amaro, Rosaria Gangemi, Francesca Piaggio, Giovanna Angelini, Gaia Barisione, Silvano Ferrini, Ulrich Pfeffer
Uveal melanoma (UM), a rare cancer of the eye, is distinct from cutaneous melanoma by its etiology, the mutation frequency and profile, and its clinical behavior including resistance to targeted therapy and immune checkpoint blockers. Primary disease is efficiently controlled by surgery or radiation therapy, but about half of UMs develop distant metastasis mostly to the liver. Survival of patients with metastasis is below 1 year and has not improved in decades. Recent years have brought a deep understanding of UM biology characterized by initiating mutations in the G proteins GNAQ and GNA11...
February 22, 2017: Cancer Metastasis Reviews
https://www.readbyqxmd.com/read/28228726/current-diagnosis-and-management-of-immune-related-adverse-events-iraes-induced-by-immune-checkpoint-inhibitor-therapy
#17
REVIEW
Vivek Kumar, Neha Chaudhary, Mohit Garg, Charalampos S Floudas, Parita Soni, Abhinav B Chandra
The indications of immune checkpoint inhibitors (ICIs) are set to rise further with the approval of newer agents like tremelimumab and atezolimumab for use in patients with advanced stage mesothelioma and urothelial carcinoma respectively. More frequent use of ICIs has improved our understanding of their unique side effects, which are known as immune-related adverse events (irAEs). The spectrum of irAEs has expanded beyond more common manifestations such as dermatological, gastrointestinal and endocrine effects to rarer presentations involving nervous, hematopoietic and urinary systems...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/28228650/haematopoietic-stem-cell-transplantation-for-autoimmune-diseases
#18
REVIEW
Joost F Swart, Eveline M Delemarre, Femke van Wijk, Jaap-Jan Boelens, Jürgen Kuball, Jacob M van Laar, Nico M Wulffraat
Autologous haematopoietic stem cell transplantation (HSCT) is the only treatment that is able to induce long-term, drug-free and symptom-free remission in several refractory autoimmune rheumatic diseases. Over 3,000 HSCT procedures for rheumatic and nonrheumatic severe autoimmune diseases have been performed worldwide. Specific conditioning regimens are currently used to eradicate the autoreactive immunological memory of patients. Although in vivo immune cell depletion with antithymocyte globulin or anti-CD52 is the norm for many regimens, ex vivo selection of CD34(+) stem cells from the graft is controversial...
February 23, 2017: Nature Reviews. Rheumatology
https://www.readbyqxmd.com/read/28228595/hepatitis-c-virus-specific-t-cell-receptor-mrna-engineered-human-t-cells-impact-of-antigen-specificity-on-functional-properties
#19
Anangi Balasiddaiah, Haleh Davanian, Soo Aleman, Anna Pasetto, Lars Frelin, Matti Sällberg, Volker Lohmann, Sarene Koh, Antonio Bertoletti, Margaret Chen
Therapy with genetically modified autologous T cells has shown great promise in cancer therapy. For an efficient control of hepatitis C virus (HCV) infection, cytotoxic T cells (CTL) are pivotal but persistence of activated T cells may lead to liver toxicity. Here, anti-HCV T cell receptors (TCRs) recognising the HCV non-structural (NS) NS3 or NS5 viral peptide target were examined by mRNA transfection of human peripheral blood lymphocytes (PBL) derived from healthy donors as well as chronically infected HCV patients...
February 22, 2017: Journal of Virology
https://www.readbyqxmd.com/read/28228558/the-ribosomal-protein-s19-suppresses-antitumor-immune-responses-via-the-complement-c5a-receptor-1
#20
Maciej M Markiewski, Surya Kumari Vadrevu, Sharad K Sharma, Navin Kumar Chintala, Shanawaz Ghouse, Jun-Hung Cho, David P Fairlie, Yvonne Paterson, Aristotelis Astrinidis, Magdalena Karbowniczek
Relatively little is known about factors that initiate immunosuppression in tumors and act at the interface between tumor cells and host cells. In this article, we report novel immunosuppressive properties of the ribosomal protein S19 (RPS19), which is upregulated in human breast and ovarian cancer cells and released from apoptotic tumor cells, whereupon it interacts with the complement C5a receptor 1 expressed on tumor infiltrating myeloid-derived suppressor cells. This interaction promotes tumor growth by facilitating recruitment of these cells to tumors...
February 22, 2017: Journal of Immunology: Official Journal of the American Association of Immunologists
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