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Liposomes, cancer , pharmaceutics , drug delivery systems

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https://www.readbyqxmd.com/read/28920496/spin-rapid-synthesis-purification-and-concentration-of-small-drug-loaded-liposomes
#1
Steven A Roberts, Neil Parikh, Ryan J Blower, Nitin Agrawal
Liposomes are one of the most studied nano-delivery systems. However, only a handful of formulations have received FDA approval. Existing liposome synthesis techniques are complex and specialized, posing a major impediment in design, implementation, and mass production of liposome delivery systems as therapeutic agents. Here, we demonstrate a unique 'synthesis and purification of injectable nanocarriers' (SPIN) technology for rapid and efficient production of small drug loaded liposomes using common benchtop equipment...
September 18, 2017: Journal of Liposome Research
https://www.readbyqxmd.com/read/28789523/efficient-sirna-delivery-by-lipid-nanoparticles-modified-with-a-nonstandard-macrocyclic-peptide-for-epcam-targeting
#2
Yu Sakurai, Wataru Mizumura, Manami Murata, Tomoya Hada, Shoshiro Yamamoto, Kenichiro Ito, Kazuhiro Iwasaki, Takayuki Katoh, Yuki Goto, Asako Takagi, Michinori Kohara, Hiroaki Suga, Hideyoshi Harashima
The development of a specific, effective method for the delivery of therapeutics including small molecules and nucleic acids to tumor tissue remains to be solved. Numerous types of lipid nanoparticles (LNPs) have been developed in attempts to achieve this goal. However, LNPs are probably not taken up by target cells because cancer-targeting LNPs are typically modified with poly(ethylene glycol) (PEG), which inhibits the cellular uptake of LNPs, to passively accumulate in tumor tissue via the enhanced permeability and retention (EPR) effect...
October 2, 2017: Molecular Pharmaceutics
https://www.readbyqxmd.com/read/28545372/lectin-carbohydrate-interactions-implications-for-the-development-of-new-anticancer-agents
#3
Evellyne de Oliveira Figueirôa, Cassia Regina Albuquerque da Cunha, Priscilla B S Albuquerque, Raiana Apolinário de Paula, Mary Ângela Aranda-Souza, Matheus Alves da Silva, Adrielle Zagmignan, Maria G Carneiro-da-Cunha, Luís Cláudio Nascimento da Silva, Maria Tereza Dos Santos Correia
Lectins are a large group of proteins found in animals, plants, fungi, and bacteria that recognize specific carbohydrate targets and play an important role in cell recognition and communication, host-pathogen interactions, embryogenesis, and tissue development. Recently, lectins have emerged as important biomedical tools that have been used in the development of immunomodulatory, antipathogenic, and anticancer agents. Several lectins have been shown to have the ability to discriminate between normal cells and tumor cells as a result of their different glycosylation patterns...
May 22, 2017: Current Medicinal Chemistry
https://www.readbyqxmd.com/read/28501439/paclitaxel-what-has-been-done-and-the-challenges-remain-ahead
#4
REVIEW
Ezequiel Bernabeu, Maximiliano Cagel, Eduardo Lagomarsino, Marcela Moretton, Diego A Chiappetta
In recent years, the nanotechnology has offered researchers the opportunity to solve the problems caused by the vehicle of the standard and first formulation of paclitaxel (Taxol(®)), while maximizing the proven antineoplastic activity of the drug against many solid tumors. Hence, different types of nanocarriers have been employed to improve the efficacy, safety, physicochemical properties and pharmacokinetic/pharmacodynamic profile of this drug. To date, paclitaxel is the unique drug that is marketed in three different nanoplatforms for its parenteral delivery: polymeric nanoparticles (Abraxane(®)), liposomes (Lipusu(®)), and polymeric micelles (Genexol(®), Nanoxel(®) and Paclical(®))...
June 30, 2017: International Journal of Pharmaceutics
https://www.readbyqxmd.com/read/28347192/a-review-of-recent-developments-on-micro-nanostructured-pharmaceutical-systems-for-intravesical-therapy-of-the-bladder-cancer
#5
Marcela Brito Oliveira, Mônica Villa Nova, Marcos Luciano Bruschi
Bladder cancer (BC) is the most common tumor type of genitourinary tract, which affects more men than women. The conventional treatment is through chemotherapy or immunotherapy, but the radiotherapy and surgery may be necessary in cases of invasive cancer. The search for less invasive, safe and effective therapies has attracted researchers to the development of new drug delivery systems to carry drugs to be administered by catheter into the bladder. The research on intravesical systems for the BC treatment continues at a rapid pace and a variety of micro or nanostructured systems have been used...
April 12, 2017: Pharmaceutical Development and Technology
https://www.readbyqxmd.com/read/28198148/stimuli-responsive-liposomes-for-drug-delivery
#6
REVIEW
Y Lee, D H Thompson
The ultimate goal of drug delivery is to increase the bioavailability and reduce the toxic side effects of the active pharmaceutical ingredient (API) by releasing them at a specific site of action. In the case of antitumor therapy, association of the therapeutic agent with a carrier system can minimize damage to healthy, nontarget tissues, while limit systemic release and promoting long circulation to enhance uptake at the cancerous site due to the enhanced permeation and retention effect (EPR). Stimuli-responsive systems have become a promising way to deliver and release payloads in a site-selective manner...
September 2017: Wiley Interdisciplinary Reviews. Nanomedicine and Nanobiotechnology
https://www.readbyqxmd.com/read/28049940/liposomal-delivery-systems-design-optimization-and-current-applications
#7
REVIEW
Amr Selim Abu Lila, Tatsuhiro Ishida
The liposome, a closed phospholipid bilayered vesicular system, has received considerable attention as a pharmaceutical carrier of great potential over the past 30 years. The ability of liposomes to encapsulate both hydrophilic and hydrophobic drugs, coupled with their biocompatibility and biodegradability, make liposomes attractive vehicles in the field of drug delivery. In addition, great technical advances such as remote drug loading, triggered release liposomes, ligand-targeted liposomes, liposomes containing combinations of drugs, and so on, have led to the widespread use of liposomes in diverse areas as delivery vehicles for anti-cancer, bio-active molecules, diagnostics, and therapeutic agents...
2017: Biological & Pharmaceutical Bulletin
https://www.readbyqxmd.com/read/26925504/encapsulation-and-retention-of-chelated-copper-inside-hydrophobic-nanoparticles-liquid-cored-nanoparticles-show-better-retention-than-a-solid-core-formulation
#8
Pablo Hervella, Elisa Parra, David Needham
MOTIVATION: In the field of imaging, (18)F-fluorodeoxyglucose (FDG) PET imaging allows evaluation of glucose metabolism and is the most widely used imaging agent clinically for metastatic cancer. While it can certainly detect the metastatic disease, in order to provide a more fully "individualized medicine" strategy of detection and pharmaceutical treatment, what is needed are additional imaging nanoparticles that resemble the subsequently-administered nanoparticle drug delivery system itself...
May 2016: European Journal of Pharmaceutics and Biopharmaceutics
https://www.readbyqxmd.com/read/26758815/emergence-of-liposome-as-targeted-magic-bullet-for-inflammatory-disorders-current-state-of-the-art
#9
REVIEW
Mahfoozur Rahman, Vikas Kumar, Sarwar Beg, Gajanand Sharma, Om Prakash Katare, Firoz Anwar
Inflammatory diseases are considered to be highly dreadful ones responsible for higher mortality in the developed countries. This includes cancer, psoriasis, rheumatoid arthritis, and inflammatory bowel disease. The tremendous strides in the area of drug development to find newer molecules like non-steroidal and steroidal agents and immunosuppressant agents delivered by conventional formulation. These therapy have enhances the life expectancy of patient, but it provide the therapeutic benefits only to a limited extent...
November 2016: Artificial Cells, Nanomedicine, and Biotechnology
https://www.readbyqxmd.com/read/26725668/-mitochondrial-dds-opens-innovative-pharmaceutics
#10
REVIEW
Yuma Yamada
  A variety of human diseases, including neurodegenerative disorders, ischemic heart disease, diabetes, and cancer have been reported to be associated with mitochondrial dysfunction. Because of this, mitochondrial therapy is expected to be useful and productive in the treatment of such diseases. We previously reported on the development of a MITO-Porter, a liposome-based nanocarrier that permits macromolecular cargos to be delivered into mitochondria via membrane fusion. Intracellular observations using the green fluorescence protein as a model macromolecule provided confirmation that a macromolecule could be delivered to mitochondria in living cells by the MITO-Porter...
2016: Yakugaku Zasshi: Journal of the Pharmaceutical Society of Japan
https://www.readbyqxmd.com/read/26201484/nanocarriers-based-anticancer-drugs-current-scenario-and-future-perceptions
#11
REVIEW
Rakesh Raj, Pooja Mongia, Suresh Kumar Sahu, Alpana Ram
Anticancer therapies mostly depend on the ability of the bioactives to reach their designated cellular and subcellular target sites, while minimizing accumulation and side effects at non specific sites. The development of nanotechnology based drug delivery systems that are able to modify the biodistribution, tissue uptake and pharmacokinetics of therapeutic agents is considered of great importance in biomedical research and treatment therapy. Controlled releases from nanocarriers can significantly enhance the therapeutic effect of a drug...
2016: Current Drug Targets
https://www.readbyqxmd.com/read/26063398/opinion-paper-nanotechnology-a-successful-approach-to-improve-oral-bioavailability-of-phytochemicals
#12
REVIEW
Abolfazl Shakeri, Amirhossein Sahebkar
No abstract text is available yet for this article.
2016: Recent Patents on Drug Delivery & Formulation
https://www.readbyqxmd.com/read/25823898/functional-liposomes-in-the-cancer-targeted-drug-delivery
#13
REVIEW
Dena Tila, Saeed Ghasemi, Seyedeh Narjes Yazdani-Arazi, Saeed Ghanbarzadeh
Cancer is considered as one of the most severe health problems and is currently the third most common cause of death in the world after heart and infectious diseases. Novel therapies are constantly being discovered, developed and trialed. Many of the current anticancer agents exhibit non-ideal pharmaceutical and pharmacological properties and are distributed non-specifically throughout the body. This results in death of the both normal healthy and malignant cells and substantially leads to accruing a variety of serious toxic side effects...
July 2015: Journal of Biomaterials Applications
https://www.readbyqxmd.com/read/25777339/archaeosomes-an-excellent-carrier-for-drug-and-cell-delivery
#14
Gurmeet Kaur, Tarun Garg, Goutam Rath, Amit K Goyal
Archaeosomes as liposomes made with one or more ether lipids that are unique to the domain of Archaeobacteria, found in Archaea constitute a novel family of liposome. Achaean-type lipids consist of archaeol (diether) and/or caldarchaeol (tetraether) core structures. Archaeosomes can be produced using standard procedures (hydrated film submitted to sonication, extrusion and detergent dialysis) at any temperature in the physiological range or lower, therefore making it possible to encapsulate thermally stable compounds...
September 2016: Drug Delivery
https://www.readbyqxmd.com/read/25658380/essential-oils-as-active-ingredients-of-lipid-nanocarriers-for-chemotherapeutic-use
#15
REVIEW
Patricia Severino, Tatiana Andreani, Marco V Chaud, Cibelem I Benites, Samantha C Pinho, Eliana B Souto
Essential oils have increased interest as promising ingredients for novel pharmaceutical dosage forms. These oils are reported to provide synergistic effects of their active ingredients, in parallel with their biodegradable properties. In addition, essential oils may also have therapeutic effects in diabetes, inflammation, cancer and to treat microbial infections. However, there are some physicochemical properties that may limit their use as active compounds in several formulations, such as high volatility, low-appealing organoleptic properties, low bioavailability and physicochemical instability, as result of exposure to light, oxygen and high temperatures...
2015: Current Pharmaceutical Biotechnology
https://www.readbyqxmd.com/read/25564255/nano-pharmaceutical-formulations-for-targeted-drug-delivery-against-her2-in-breast-cancer
#16
REVIEW
Sams M A Sadat, Soodabeh Saeidnia, Adil J Nazarali, Azita Haddadi
Nanotechnology has revolutionized fundamental opportunities for higher specific drug delivery with minimum side effects. Since its inception, the goal of nanotechnology has been to advance effective and reliable systems for precise anti-cancer therapy and diagnosis. To accomplish this goal, bio-conjugation strategies of therapeutic agents loaded nanoparticles with monoclonal antibodies or their analogues have demonstrated a targeted approach both in vitro and in vivo. In this review, we primarily focus on the specific recognition of HER2 receptors of HER2 overexpressed tumor cells, and evaluate anti-HER2 monoclonal antibody as an effective tool for active targeting...
2015: Current Cancer Drug Targets
https://www.readbyqxmd.com/read/25342901/development-of-taiwan-s-strategies-for-regulating-nanotechnology-based-pharmaceuticals-harmonized-with-international-considerations
#17
REVIEW
Jiun-Wen Guo, Yu-Hsuan Lee, Hsiau-Wen Huang, Mei-Chyun Tzou, Ying-Jan Wang, Jui-Chen Tsai
Nanotechnology offers potential in pharmaceuticals and biomedical developments for improving drug delivery systems, medical imaging, diagnosis, cancer therapy, and regenerative medicine. Although there is no international regulation or legislation specifically for nanomedicine, it is agreed worldwide that considerably more attention should be paid to the quality, safety, and efficacy of nanotechnology-based drugs. The US Food and Drug Administration and the European Medicines Agency have provided several draft regulatory guidance and reflection papers to assist the development of nanomedicines...
2014: International Journal of Nanomedicine
https://www.readbyqxmd.com/read/24959911/intracellular-ros-protection-efficiency-and-free-radical-scavenging-activity-of-quercetin-and-quercetin-encapsulated-liposomes
#18
Rogaie Rezaei-Sadabady, Akram Eidi, Nosratollah Zarghami, Abolfazl Barzegar
Quercetin (3,5,7,3',4'-pentahydroxyflavone) is a natural bio-flavonoid originating from fruits, vegetables, seeds, berries, and tea. The antioxidant activity of quercetin and its protective effects against cardiovascular disorders, anti-cancer, anti-inflammatory, and anti-viral activities have been extensively documented; however, the clinical request of quercetin in cancer treatment is significantly limited due to its very poor delivery features. In order to increase the hydrophilicity and drug delivery capability, we encapsulated quercetin into liposomes...
2016: Artificial Cells, Nanomedicine, and Biotechnology
https://www.readbyqxmd.com/read/24806969/cisplatin-properties-in-a-nanobiotechnological-approach-to-cancer-a-mini-review
#19
REVIEW
P D Marcato, W J Fávaro, N Durán
For many years, cisplatin has been used to treat many types of cancer, including urogenital, skin and lung cancers. Unfortunately, treatment with this drug causes serious side effects, such as severe toxicity; including nephrotoxicity, neurotoxicity, gastrointestinal toxicity, peripheral neuropathy, ototoxicity, asthenia and hematological toxicity.Therefore, the clinical use of cisplatin has been hampered.The incidence of nephrotoxicity frequently prevents the use of high enough doses to maximize the antineoplastic effects, and strict attention must be given to the hydration of cisplatin-treated patients to minimize kidney damage...
2014: Current Cancer Drug Targets
https://www.readbyqxmd.com/read/24738343/inclusion-of-the-helper-lipid-dioleoyl-phosphatidylethanolamine-in-solid-lipid-nanoparticles-inhibits-their-transfection-efficiency
#20
Marcelo B de Jesus, Allan Radaic, Wouter L J Hinrichs, Carmen V Ferreira, Eneida de Paula, Dick Hoekstra, Inge S Zuhorn
Solid lipid nanoparticles (SLNs) are a promising system for the delivery of lipophilic and hydrophilic drugs. They consist of a solid lipid core that is stabilized by a layer of surfactants. By the incorporation of cationic lipids in the formulation, positively charged SLNs can be generated, that are suitable carriers for nucleic acids (DNA, siRNA). Considering the beneficial effect of helper lipids on the transfection efficiency with cationic liposomes, the effect of the helper lipid 1,2-dioleoyl-sn-glycero-3-phosphoethanolamine (DOPE) on transfection with cationic lipid-containing solid lipid nanoparticles was investigated in PC3 prostate cancer cells...
February 2014: Journal of Biomedical Nanotechnology
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