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Biomaterial vaccine

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https://www.readbyqxmd.com/read/29726120/nanoscale-platforms-for-messenger-rna-delivery
#1
REVIEW
Bin Li, Xinfu Zhang, Yizhou Dong
Messenger RNA (mRNA) has become a promising class of drugs for diverse therapeutic applications in the past few years. A series of clinical trials are ongoing or will be initiated in the near future for the treatment of a variety of diseases. Currently, mRNA-based therapeutics mainly focuses on ex vivo transfection and local administration in clinical studies. Efficient and safe delivery of therapeutically relevant mRNAs remains one of the major challenges for their broad applications in humans. Thus, effective delivery systems are urgently needed to overcome this limitation...
May 4, 2018: Wiley Interdisciplinary Reviews. Nanomedicine and Nanobiotechnology
https://www.readbyqxmd.com/read/29725329/polymeric-nanocapsules-for-vaccine-delivery-influence-of-the-polymeric-shell-on-the-interaction-with-the-immune-system
#2
Mercedes Peleteiro, Elena Presas, Jose Vicente González-Aramundiz, Beatriz Sánchez-Correa, Rosana Simón-Vázquez, Noemi Csaba, María J Alonso, África González-Fernández
The use of biomaterials and nanosystems in antigen delivery has played a major role in the development of novel vaccine formulations in the last few decades. In an effort to gain a deeper understanding of the interactions between these systems and immunocompetent cells, we describe here a systematic in vitro and in vivo study on three types of polymeric nanocapsules (NCs). These carriers, which contained protamine (PR), polyarginine (PARG), or chitosan (CS) in the external shell, and their corresponding nanoemulsion were prepared, and their main physicochemical properties were characterized...
2018: Frontiers in Immunology
https://www.readbyqxmd.com/read/29707879/recent-advances-in-polyanhydride-based-biomaterials
#3
REVIEW
Arijit Basu, Abraham J Domb
This review focusses on recent developments of polyanhydrides, a class of degradable synthetic biopolymers. Polyanhydrides have been used as carriers for controlled delivery of drugs. A polyanhydride copolymer of carboxyphenoxy propane and sebacic acid has been used in Gliadel brain tumor implants for the controlled delivery of carmustine or bis-chloroethylnitrosourea. They are easy and inexpensive to synthesize (especially scale up). However, polyanhydrides possess a short shelf-life. Hydrolytic cleavage and anhydride interchanges lower their molecular weights during storage...
April 30, 2018: Advanced Materials
https://www.readbyqxmd.com/read/29617113/automated-high-throughput-synthesis-of-protein-loaded-polyanhydride-nanoparticle-libraries
#4
Jonathan T Goodman, Adam Mullis, Lucas Dunshee, Akash Mitra, Balaji Narasimhan
The development of high throughput techniques and combinatorial libraries can facilitate rapid synthesis and screening of biomaterial-based nano-carriers for drug and vaccine delivery. This study describes an high throughput method using an automated robot for synthesizing polyanhydride nanoparticles encapsulating proteins. Polyanhydrides are a class of safe and biodegradable polymers that have been widely used as drug and vaccine delivery vehicles. The robot contains a multiplexed homogenizer and has the capacity to handle parallel streams of monomer or polymer solutions to synthesize polymers and/or nanoparticles...
April 4, 2018: ACS Combinatorial Science
https://www.readbyqxmd.com/read/29572968/implantable-synthetic-immune-niche-for-spatiotemporal-modulation-of-tumor-derived-immunosuppression-and-systemic-antitumor-immunity-postoperative-immunotherapy
#5
Hathaichanok Phuengkham, Chanyoung Song, Soong Ho Um, Yong Taik Lim
The development of biomaterial-based immune niches that can modulate immunosuppressive factors in tumor microenvironment (TME) will be a key technology for improving current cancer immunotherapy. Here, implantable, engineered 3D porous scaffolds are designed to generate synergistic action between myeloid-derived suppressor cell (MDSC)-depleting agents, which can accommodate the establishment of a permissive immunogenic microenvironment to counteract tumor-induced immunosuppression, and cancer vaccines consisting of whole tumor lysates and nanogel-based adjuvants, which can generate tumor antigen-specific T cell responses...
March 23, 2018: Advanced Materials
https://www.readbyqxmd.com/read/29526503/engineering-the-immune-system-with-particles-step-by-step
#6
REVIEW
B G De Geest
Biomaterials-based strategies to engineer the immune system have gathered considerable attention the past decade and have opened new avenues for vaccine delivery and for modulating the immune system to fight cancer. This review highlights some of these strategies that involve well-defined particle-based delivery systems that are constructed in a multistep fashion. Particular attention is devoted to the design of micro and nanoparticles to deliver antigen and molecular adjuvants to antigen presenting immune cell subsets in lymphatic tissue...
June 2018: Molecular Immunology
https://www.readbyqxmd.com/read/29500990/a-synthetic-stroma-free-germinal-center-niche-for-efficient-generation-of-humoral-immunity-ex-vivo
#7
Kyung-Ho Roh, Hannah W Song, Pallab Pradhan, Kevin Bai, Caitlin D Bohannon, Gordon Dale, Jardin Leleux, Joshy Jacob, Krishnendu Roy
B cells play a major role in the adaptive immune response by producing antigen-specific antibodies against pathogens and imparting immunological memory. Following infection or vaccination, antibody-secreting B cells and memory B cells are generated in specialized regions of lymph nodes and spleens, called germinal centers. Here, we report a fully synthetic ex-vivo system that recapitulates the generation of antigen-specific germinal-center (GC) like B cells using material-surface driven polyvalent signaling...
May 2018: Biomaterials
https://www.readbyqxmd.com/read/29286298/simple-purification-of-nicotiana-benthamiana-produced-recombinant-colicins-high-yield-recovery-of-purified-proteins-with-minimum-alkaloid-content-supports-the-suitability-of-the-host-for-manufacturing-food-additives
#8
Anett Stephan, Simone Hahn-Löbmann, Fred Rosche, Mirko Buchholz, Anatoli Giritch, Yuri Gleba
Colicins are natural non-antibiotic bacterial proteins with a narrow spectrum but an extremely high antibacterial activity. These proteins are promising food additives for the control of major pathogenic Shiga toxin-producing E. coli serovars in meats and produce. In the USA, colicins produced in edible plants such as spinach and leafy beets have already been accepted by the U. S. Food and Drug Administration (FDA) and U. S. Department of Agriculture (USDA) as food-processing antibacterials through the GRAS (generally recognized as safe) regulatory review process...
December 29, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29249461/improving-vaccine-and-immunotherapy-design-using-biomaterials
#9
REVIEW
Michelle L Bookstaver, Shannon J Tsai, Jonathan S Bromberg, Christopher M Jewell
Polymers, lipids, scaffolds, microneedles, and other biomaterials are rapidly emerging as technologies to improve the efficacy of vaccines against infectious disease and immunotherapies for cancer, autoimmunity, and transplantation. New studies are also providing insight into the interactions between these materials and the immune system. This insight can be exploited for more efficient design of vaccines and immunotherapies. Here, we describe recent advances made possible through the unique features of biomaterials, as well as the important questions for further study...
February 2018: Trends in Immunology
https://www.readbyqxmd.com/read/29242824/modular-peptide-amphiphile-micelles-improving-an-antibody-mediated-immune-response-to-group-a-streptococcus
#10
John C Barrett, Bret D Ulery, Amanda Trent, Simon Liang, Natalie A David, Matthew V Tirrell
Inducing a strong and specific immune response is the hallmark of a successful vaccine. Nanoparticles have emerged as promising vaccine delivery devices to discover and elicit immune responses. Fine-tuning a nanoparticle vaccine to create an immune response with specific antibody and other cellular responses is influenced by many factors such as shape, size, and composition. Peptide amphiphile micelles are a unique biomaterials platform that can function as a modular vaccine delivery system, enabling control over many of these important factors and delivering payloads more efficiently to draining lymph nodes...
2017: ACS Biomaterials Science & Engineering
https://www.readbyqxmd.com/read/29177268/advanced-manufacturing-of-microdisk-vaccines-for-uniform-control-of-material-properties-and-immune-cell-function
#11
Qin Zeng, Peipei Zhang, Xiangbin Zeng, Lisa H Tostanoski, Christopher M Jewell
The continued challenges facing vaccines in infectious disease and cancer highlight a need for better control over the features of vaccines and the responses they generate. Biomaterials offer unique advantages to achieve this goal through features such as controlled release and co-delivery of antigens and adjuvants. However, many synthesis strategies lead to particles with heterogeneity in diameter, shape, loading level, or other properties. In contrast, advanced manufacturing techniques allow precision control of material properties at the micro- and nano-scale...
December 19, 2017: Biomaterials Science
https://www.readbyqxmd.com/read/29144754/immunogenic-cell-death-amplified-by-co-localized-adjuvant-delivery-for-cancer-immunotherapy
#12
Yuchen Fan, Rui Kuai, Yao Xu, Lukasz J Ochyl, Darrell J Irvine, James J Moon
Despite their potential, conventional whole-cell cancer vaccines prepared by freeze-thawing or irradiation have shown limited therapeutic efficacy in clinical trials. Recent studies have indicated that cancer cells treated with certain chemotherapeutics, such as mitoxantrone, can undergo immunogenic cell death (ICD) and initiate antitumor immune responses. However, it remains unclear how to exploit ICD for cancer immunotherapy. Here, we present a new material-based strategy for converting immunogenically dying tumor cells into a powerful platform for cancer vaccination and demonstrate their therapeutic potential in murine models of melanoma and colon carcinoma...
December 13, 2017: Nano Letters
https://www.readbyqxmd.com/read/29063561/best-paper-selection
#13
(no author information available yet)
Daniulaityte R, Chen L, Lamy FR, Carlson RG, Thirunarayan K, Sheth A. "When 'Bad' is 'Good'": Identifying Personal Communication and Sentiment in Drug-Related Tweets. JMIR Public Health Surveill 2016 Oct 24;2(2):e162 https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5099500/ Freedman RA, Viswanath K, Vaz-Luis I, Keating NL. Learning from social media: utilizing advanced data extraction techniques to understand barriers to breast cancer treatment. Breast Cancer Res Treat 2016 Jul;158(2):395-405 https://www.ncbi.nlm...
August 2017: Yearbook of Medical Informatics
https://www.readbyqxmd.com/read/28932817/designing-biomaterials-with-immunomodulatory-properties-for-tissue-engineering-and-regenerative-medicine
#14
REVIEW
James I Andorko, Christopher M Jewell
Recent research in the vaccine and immunotherapy fields has revealed that biomaterials have the ability to activate immune pathways, even in the absence of other immune-stimulating signals. Intriguingly, new studies reveal these responses are influenced by the physicochemical properties of the material. Nearly all of this work has been done in the vaccine and immunotherapy fields, but there is tremendous opportunity to apply this same knowledge to tissue engineering and regenerative medicine. This review discusses recent findings that reveal how material properties-size, shape, chemical functionality-impact immune response, and links these changes to emerging opportunities in tissue engineering and regenerative medicine...
June 2017: Bioengineering & Translational Medicine
https://www.readbyqxmd.com/read/28840744/the-evolution-of-chicken-stem-cell-culture-methods
#15
M Farzaneh, F Attari, P E Mozdziak, S E Khoshnam
1. The avian embryo is an excellent model for studying embryology and the production of pharmaceutical proteins in transgenic chickens. Furthermore, chicken stem cells have the potential for proliferation and differentiation and emerged as an attractive tool for various cell-based technologies. 2. The objective of these studies is the derivation and culture of these stem cells is the production of transgenic birds for recombinant biomaterials and vaccine manufacture, drug and cytotoxicity testing, as well as to gain insight into basic science, including cell tracking...
December 2017: British Poultry Science
https://www.readbyqxmd.com/read/28760796/past-speculations-of-future-health-technologies-a-description-of-technologies-predicted-in-15-forecasting-studies-published-between-1986-and-2010
#16
Lucy Doos, Claire Packer, Derek Ward, Sue Simpson, Andrew Stevens
OBJECTIVE: To describe and classify health technologies predicted in forecasting studies. DESIGN AND METHODS: A portrait describing health technologies predicted in 15 forecasting studies published between 1986 and 2010 that were identified in a previous systematic review. Health technologies are classified according to their type, purpose and clinical use; relating these to the original purpose and timing of the forecasting studies. DATA SOURCES: All health-related technologies predicted in 15 forecasting studies identified in a previously published systematic review...
July 31, 2017: BMJ Open
https://www.readbyqxmd.com/read/28639138/veterinary-vaccine-nanotechnology-pulmonary-and-nasal-delivery-in-livestock-animals
#17
REVIEW
Daniella Calderon-Nieva, Kalhari Bandara Goonewardene, Susantha Gomis, Marianna Foldvari
Veterinary vaccine development has several similarities with human vaccine development to improve the overall health and well-being of species. However, veterinary goals lean more toward feasible large-scale administration methods and low cost to high benefit immunization. Since the respiratory mucosa is easily accessible and most infectious agents begin their infection cycle at the mucosa, immunization through the respiratory route has been a highly attractive vaccine delivery strategy against infectious diseases...
August 2017: Drug Delivery and Translational Research
https://www.readbyqxmd.com/read/28629381/the-era-of-bioengineering-how-will-this-affect-the-next-generation-of-cancer-immunotherapy
#18
REVIEW
Michele Graciotti, Cristiana Berti, Harm-Anton Klok, Lana Kandalaft
BACKGROUND: Immunotherapy consists of activating the patient's immune system to fight cancer and has the great potential of preventing future relapses thanks to immunological memory. A great variety of strategies have emerged to harness the immune system against tumors, from the administration of immunomodulatory agents that activate immune cells, to therapeutic vaccines or infusion of previously activated cancer-specific T cells. However, despite great recent progress many difficulties still remain, which prevent the widespread use of immunotherapy...
June 19, 2017: Journal of Translational Medicine
https://www.readbyqxmd.com/read/28628010/-the-main-stages-of-the-preparation-of-viable-tumor-cells-of-bladder-cancer-from-isolation-of-the-tumor-material-till-cryopreservation-of-cell-lines
#19
T Slavyanskaya, S -Salnikova
The development of personalized autologous dendritic cell anti-tumor vaccines (PDPW) against bladder cancer (BC) is a relevant issue that covers many aspects required for its standardization. The article presents personal experimental studies related to development of optimal conditions of transportation of biological material; temperature and temporary modes for the storage of the samples; the materials about the optimal method of disaggregation of the biomaterial; there has been shown a comparative analysis of different methods of tumor disaggregation; the selection of nutritious growth mediums and growth factors for urothelial carcinoma cells (UCC), the conditions of cryopreservation of tumor cells for maximum UCC viability, potentially suitable for creating PDPW against BC...
May 2017: Georgian Medical News
https://www.readbyqxmd.com/read/28556553/tailoring-biomaterials-for-cancer-immunotherapy-emerging-trends-and-future-outlook
#20
REVIEW
Chao Wang, Yanqi Ye, Quanyin Hu, Adriano Bellotti, Zhen Gu
Cancer immunotherapy, as a paradigm shift in cancer treatment, has recently received tremendous attention. The active cancer vaccination, immune checkpoint blockage (ICB) and chimeric antigen receptor (CAR) for T-cell-based adoptive cell transfer are among these developments that have achieved a significant increase in patient survival in clinical trials. Despite these advancements, emerging research at the interdisciplinary interface of cancer biology, immunology, bioengineering, and materials science is important to further enhance the therapeutic benefits and reduce side effects...
May 26, 2017: Advanced Materials
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