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Advanced Drug Delivery Reviews

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https://www.readbyqxmd.com/read/28720422/drug-targeting-to-myofibroblasts-implications-for-fibrosis-and-cancer
#1
Saleh Yazdani, Ruchi Bansal, Jai Prakash
Myofibroblasts are the key players in extracellular matrix remodeling, a core phenomenon in numerous devastating fibrotic diseases. Not only in organ fibrosis, but also the pivotal role of myofibroblasts in tumor progression, invasion and metastasis has recently been highlighted. Myofibroblast targeting has gained tremendous attention in order to inhibit the progression of incurable fibrotic diseases, or to limit the myofibroblast-induced tumor progression and metastasis. In this review, we outline the origin of myofibroblasts, their general characteristics and functions during fibrosis progression in three major organs: liver, kidneys and lungs as well as in cancer...
July 15, 2017: Advanced Drug Delivery Reviews
https://www.readbyqxmd.com/read/28712924/advanced-methodologies-for-cocrystal-synthesis
#2
Dennis Douroumis, Steven A Ross, Ali Nokhodchi
Pharmaceutical cocrystals are multicomponent systems composed of two or more molecules and held together by H-bonding. Currently, cocrystals provide exciting opportunities in the pharmaceutical industry for the development and manufacturing of new medicines by improving poor physical properties of Active Pharmaceutical Ingredients (APIs) such as processability, solubility, stability and bioavailability. According to the recent reclassification, cocrystals are considered as drug polymorph rather a new API which has a significant impact on drug development, regulatory submissions and intellectual property protection...
July 13, 2017: Advanced Drug Delivery Reviews
https://www.readbyqxmd.com/read/28712923/key-players-in-the-immune-response-to-biomaterial-scaffolds-for-regenerative-medicine
#3
Liam Chung, David R Maestas, Franck Housseau, Jennifer H Elisseeff
The compatibility of biomaterials is critical to their structural and biological function in medical applications. The immune system is the first responder to tissue trauma and to a biomaterial implant. The innate immune effector cells, most notably the macrophage, play a significant role in the defense against foreign bodies and formation of a fibrous capsule around synthetic implants. Alternatively, macrophages participate in the pro-regenerative capacity of tissue-derived biological scaffolds. Research is now elucidating the role of the adaptive immune system, and T cells in particular, in directing macrophage response to synthetic and biological materials...
July 13, 2017: Advanced Drug Delivery Reviews
https://www.readbyqxmd.com/read/28709936/effects-of-klotho-on-fibrosis-and-cancer-a-renal-focus-on-mechanisms-and-therapeutic-strategies
#4
Rik Mencke, Hannes Olauson, Jan-Luuk Hillebrands
Klotho is a membrane-bound protein predominantly expressed in the kidney, where it acts as a permissive co-receptor for Fibroblast Growth Factor 23. In its shed form, Klotho exerts anti-fibrotic effects in several tissues. Klotho-deficient mice spontaneously develop fibrosis and Klotho deficiency exacerbates the disease progression in fibrotic animal models. Furthermore, Klotho overexpression or supplementation protects against fibrosis in various models of renal and cardiac fibrotic disease. These effects are mediated at least partially by the direct inhibitory effects of soluble Klotho on TGFβ1 signaling, Wnt signaling, and FGF2 signaling...
July 11, 2017: Advanced Drug Delivery Reviews
https://www.readbyqxmd.com/read/28697953/3d-in-vitro-models-of-liver-fibrosis
#5
Leo A van Grunsven
Animal testing is still the most popular preclinical assesment model for liver fibrosis. To develop efficient anti-fibrotic therapies, robust and representative in vitro models are urgently needed. The most widely used in vitro fibrosis model is the culture-induced activation of primary rodent hepatic stellate cells. While these cultures have contributed greatly to the current understanding of hepatic stellate cell activation, they seem to be inadequate to cover the complexity of this regenerative response...
July 8, 2017: Advanced Drug Delivery Reviews
https://www.readbyqxmd.com/read/28697952/pharmacological-and-physical-vessel-modulation-strategies-to-improve-epr-mediated-drug-targeting-to-tumors
#6
Tarun Ojha, Vertika Pathak, Yang Shi, Wim Hennink, Chrit Moonen, Gert Storm, Fabian Kiessling, Twan Lammers
The performance of nanomedicine formulations depends on the Enhanced Permeability and Retention (EPR) effect. Prototypic nanomedicine-based drug delivery systems, such as liposomes, polymers and micelles, aim to exploit the EPR effect to accumulate at pathological sites, to thereby improve the balance between drug efficacy and toxicity. Thus far, however, tumor-targeted nanomedicines have not yet managed to achieve convincing therapeutic results, at least not in large cohorts of patients. This is likely mostly due to high inter- and intra-patient heterogeneity in EPR...
July 8, 2017: Advanced Drug Delivery Reviews
https://www.readbyqxmd.com/read/28694027/exploiting-lymphatic-vessels-for-immunomodulation-rationale-opportunities-and-challenges
#7
Katharina Maisel, Maria Stella Sasso, Lambert Potin, Melody A Swartz
Lymphatic vessels are the primary route of communication from peripheral tissues to the immune system; as such, they represent an important component of local immunity. In addition to their transport functions, new immunomodulatory roles for lymphatic vessels and lymphatic endothelial cells have come to light in recent years, demonstrating that lymphatic vessels help shape immune responses in a variety of ways: promoting tolerance to self-antigens, archiving antigen for later presentation, dampening effector immune responses, and resolving inflammation, among others...
July 7, 2017: Advanced Drug Delivery Reviews
https://www.readbyqxmd.com/read/28694026/nano-technology-based-carriers-for-nitrogen-containing-bisphosphonates-delivery-as-sensitisers-of-%C3%AE-%C3%AE-t-cells-for-anticancer-immunotherapy
#8
Naomi O Hodgins, Julie Tzu-Wen Wang, Khuloud T Al-Jamal
Nitrogen containing bisphosphonates (N-BPs) including zoledronate (ZOL) and alendronate (ALD) inhibit farnesyl diphosphate synthase, and have been shown to have a cytotoxic affect against cancer cells as a monotherapy and to also sensitise tumour cells to destruction by γδ T cells. γδ T cells are a subset of human T lymphocytes and have a diverse range of roles in the immune system including the recognition and destruction of cancer cells. This property of γδ T cells can be harnessed for use in cancer immunotherapy through in vivo expansion or the adoptive transfer of ex vivo activated γδ T cells...
July 7, 2017: Advanced Drug Delivery Reviews
https://www.readbyqxmd.com/read/28690136/drug-delivery-devices-for-retinal-diseases
#9
Hirokazu Kaji, Nobuhiro Nagai, Matsuhiko Nishizawa, Toshiaki Abe
Retinal degenerative diseases are a leading cause of irreversible blindness and visual impairment, affecting millions of people worldwide. Although intravitreal injection can directly deliver drugs to the posterior segment of the eye, it is invasive and associated with serious side effects. The design of drug delivery systems targeting the posterior segment of the eye in a less invasive manner has still been challenging because of various anatomical and physiological barriers. In this review, we provide an overview of the current implant device-based approaches used for treating retinal degenerative diseases...
July 6, 2017: Advanced Drug Delivery Reviews
https://www.readbyqxmd.com/read/28687273/pharmaceutical-aspects-of-salt-and-cocrystal-forms-of-apis-and-characterization-challenges
#10
Paolo Cerreia Vioglio, Michele R Chierotti, Roberto Gobetto
In recent years many efforts have been devoted to the screening and the study of new solid-state forms of old active pharmaceutical ingredients (APIs) with salification or co-crystallization processes, thus modulating final properties without changing the pharmacological nature. Salts, hydrates/solvates, and cocrystals are the common solid-state forms employed. They offer the intriguing possibility of exploring different pharmaceutical properties for a single API in the quest of enhancing the final drug product...
July 5, 2017: Advanced Drug Delivery Reviews
https://www.readbyqxmd.com/read/28676386/prodrugs-in-medicinal-chemistry-and-enzyme-prodrug-therapies
#11
Raoul Walther, Jarkko Rautio, Alexander N Zelikin
Prodrugs are cunning derivatives of therapeutic agents designed to improve the pharmacokinetics profile of the drug. Within a prodrug, pharmacological activity of the drug is masked and is recovered within the human body upon bioconversion of the prodrug, a process that is typically mediated by enzymes. This concept is highly successful and a significant fraction of marketed therapeutic formulations is based on prodrugs. An advanced subset of prodrugs can be engineered such as to achieve site-specific bioconversion of the prodrug - to comprise the highly advantageous "enzyme prodrug therapy", EPT...
July 1, 2017: Advanced Drug Delivery Reviews
https://www.readbyqxmd.com/read/28668483/advances-in-keratinocyte-delivery-in-burn-wound-care
#12
Britt Ter Horst, Gurpreet Chouhan, Naiem S Moiemen, Liam M Grover
This review gives an updated overview on keratinocyte transplantation in burn wounds concentrating on application methods and future therapeutic cell delivery options with a special interest in hydrogels and spray devices for cell delivery. To achieve faster re-epithelialisation of burn wounds, the original autologous keratinocyte culture and transplantation technique was introduced over 3 decades ago. Application types of keratinocytes transplantation have improved from cell sheets to single-cell solutions delivered with a spray system...
June 28, 2017: Advanced Drug Delivery Reviews
https://www.readbyqxmd.com/read/28648712/emerging-strategies-for-delivering-antiangiogenic-therapies-to-primary-and-metastatic-brain-tumors
#13
Vasileios Askoxylakis, Costas D Arvanitis, Christina S F Wong, Gino B Ferraro, Rakesh K Jain
Five-year survival rates have not increased appreciably for patients with primary and metastatic brain tumors. Nearly 17,000 patients die from primary brain tumors, whereas approximately 200,000 cases are diagnosed with brain metastasis every year in the US alone. At the same time, with improved control of systemic disease, the incidence of brain metastasis is increasing. Thus, novel approaches for improving the treatment outcome for these uniformly fatal diseases are needed urgently. In the review, we summarize the challenges in the treatment of these diseases using antiangiogenic therapies alone or in combination with radio-, chemo- and immuno-therapies...
June 22, 2017: Advanced Drug Delivery Reviews
https://www.readbyqxmd.com/read/28625831/engineering-challenges-for-brain-tumor-immunotherapy
#14
Johnathan G Lyon, Nassir Mokarram, Tarun Saxena, Sheridan L Carroll, Ravi V Bellamkonda
Malignant brain tumors represent one of the most devastating forms of cancer with abject survival rates that have not changed in the past 60years. This is partly because the brain is a critical organ, and poses unique anatomical, physiological, and immunological barriers. The unique interplay of these barriers also provides an opportunity for creative engineering solutions. Cancer immunotherapy, a means of harnessing the host immune system for anti-tumor efficacy, is becoming a standard approach for treating many cancers...
June 15, 2017: Advanced Drug Delivery Reviews
https://www.readbyqxmd.com/read/28625830/bioengineering-strategies-for-inducing-tolerance-in-autoimmune-diabetes
#15
Steinunn Baekkeskov, Jeffrey A Hubbell, Edward A Phelps
Type 1 diabetes is an autoimmune disease marked by the destruction of insulin-producing beta cells in the pancreatic islets. Strategies to delay onset or prevent the autoimmune recognition of beta cell antigens or T cell-mediated killing of beta cells have mainly focused on systemic immunomodulation and antigen-specific immunotherapy. To bridge the fields of type 1 diabetes immunology and biomaterials engineering, this article will review recent trends in the etiology of type 1 diabetes immunopathology and will focus on the contributions of emerging bioengineered strategies in the fight against beta cell autoimmunity in type 1 diabetes...
June 15, 2017: Advanced Drug Delivery Reviews
https://www.readbyqxmd.com/read/28625829/combinatorial-immunotherapy-and-nanoparticle-mediated-hyperthermia
#16
REVIEW
Austin J Moy, James W Tunnell
Immune checkpoint therapy has become the first widely adopted immunotherapy for patients with late stage malignant melanoma, with potential for a wide range of cancers. While some patients can experience long term disease remission, this is limited only to a subset of patients and tumor types. The path forward to expand this therapy to more patients and tumor types is currently thought to be combinatorial treatments, the combination of immunotherapy with other treatments. In this review, the combinatorial approach of immune checkpoint therapy combined with nanoparticle-assisted localized hyperthermia is discussed, starting with an overview of the different nanoparticle hyperthermia approaches in development, an overview of the state of immune checkpoint therapy, recent reports of immune checkpoint therapy and nanoparticle-assisted hyperthermia in a combinatorial approach, and finally a discussion of future research topics and areas to be explored in this new combinatorial approach to cancer treatment...
June 15, 2017: Advanced Drug Delivery Reviews
https://www.readbyqxmd.com/read/28625828/precision-monitoring-of-immunotherapies-in-solid-organ-and-hematopoietic-stem-cell-transplantation
#17
Rose Diloreto, Kiran Khush, Iwijn De Vlaminck
Pharmacological immunotherapies are a key component of post-transplant therapy in solid-organ and hematopoietic stem cell transplantation. In current clinical practice, immunotherapies largely follow a one-size fits all approach, leaving a large portion of transplant recipients either over- or under-immunosuppressed, and consequently at risk of infections or immune-mediated complications. Our goal here is to review recent and rapid advances in precision and genomic medicine approaches to monitoring of post-transplant immunotherapies...
June 15, 2017: Advanced Drug Delivery Reviews
https://www.readbyqxmd.com/read/28625827/cells-as-advanced-therapeutics-state-of-the-art-challenges-and-opportunities-in-large-scale-biomanufacturing-of-high-quality-cells-for-adoptive-immunotherapies
#18
Nate J Dwarshuis, Kirsten Parratt, Adriana Santiago-Miranda, Krishnendu Roy
Therapeutic cells hold tremendous promise in treating currently incurable, chronic diseases since they perform multiple, integrated, complex functions in vivo compared to traditional small-molecule drugs or biologics. However, they also pose significant challenges as therapeutic products because (a) their complex mechanisms of actions are difficult to understand and (b) low-cost bioprocesses for large-scale, reproducible manufacturing of cells have yet to be developed. Immunotherapies using T cells and dendritic cells (DCs) have already shown great promise in treating several types of cancers, and human mesenchymal stromal cells (hMSCs) are now extensively being evaluated in clinical trials as immune-modulatory cells...
June 15, 2017: Advanced Drug Delivery Reviews
https://www.readbyqxmd.com/read/28625826/drug-discovery-and-therapeutic-delivery-for-the-treatment-of-b-and-t-cell-tumors
#19
Regan Stephenson, Ankur Singh
Hematological malignancies manifest as lymphoma, leukemia, and myeloma, and remain a burden on society. From initial therapy to endless relapse-related treatment, societal burden is felt not only in the context of healthcare cost, but also in the compromised quality of life of patients. Long-term therapeutic strategies have become the standard in keeping hematological malignancies at bay as these cancers develop resistance to each round of therapy with time. As a result, there is a continual need for the development of new drugs to combat resistant disease in order to prolong patient life, if not to produce a cure...
June 15, 2017: Advanced Drug Delivery Reviews
https://www.readbyqxmd.com/read/28624478/nanomedicine-based-combination-anticancer-therapy-between-nucleic-acids-and-small-molecular-drugs
#20
Wei Huang, Liqing Chen, Lin Kang, Mingji Jin, Ping Sun, Xin Xin, Zhonggao Gao, You Han Bae
Anticancer therapy has always been a vital challenge for the development of nanomedicine. Repeated single therapeutic agent may lead to undesirable and severe side effects, unbearable toxicity and multidrug resistance due to complex nature of tumor. Nanomedicine-based combination anticancer therapy can synergistically improve antitumor outcomes through multiple-target therapy, decreasing the dose of each therapeutic agent and reducing side effects. There are versatile combinational anticancer strategies such as chemotherapeutic combination, nucleic acid-based co-delivery, intrinsic sensitive and extrinsic stimulus combinational patterns...
June 14, 2017: Advanced Drug Delivery Reviews
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