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https://www.readbyqxmd.com/read/29778902/perspectives-on-the-past-present-and-future-of-cancer-nanomedicine
#1
Yu Seok Youn, You Han Bae
The justification of cancer nanomedicine relies on enhanced permeation (EP) and retention (R) effect and the capability of intracellular targeting due primarily to size after internalization (endocytosis) into the individual target cells. The EPR effect implies improved efficacy. Affinity targeting for solid tumors only occur after delivery to individual cells, which help internalization and/or retention. The design principles have been supported by animal results in numerous publications, but hardly translated...
May 17, 2018: Advanced Drug Delivery Reviews
https://www.readbyqxmd.com/read/29778366/introduction-management-of-the-luteal-phase-in-assisted-reproductive-technology
#2
Georg Griesinger, David Meldrum
The increasing utilization of a gonadotropin-releasing hormone agonist ovulation trigger and the widespread use of artificial cycles for the transfer of frozen-thawed or donated embryos has renewed interest in the luteal phase in assisted reproductive technology. The "luteal phase defect" phenomenon is now understood as a continuum: there is less impairment with milder stimulation than with more intense ovarian stimulation, and less impairment after controlled ovarian stimulation and human chorionic gonadotropin ovulation triggering than after gonadotropin-releasing hormone agonist ovulation triggering, the latter being associated with rapid luteolysis...
May 2018: Fertility and Sterility
https://www.readbyqxmd.com/read/29776863/vitamin-d-in-burn-injured-patients
#3
REVIEW
Megan A Rech, Daniel Colon Hidalgo, Jennifer Larson, Sarah Zavala, Michael Mosier
Recently, many studies have demonstrated pleotropic effects of vitamin D, including immune modulation and cardiovascular system activity. Sufficient vitamin D concentrations and supplementation of vitamin D may be of benefit in burn-injured patients. Low 25(OH)D has been observed in nearly all pediatric and most adult burn patients. Vitamin D has primarily been studied in pediatric burn patients, focusing on bone marker measurements and the incidence of fractures. The preferred vitamin D dose, formulation, and route of administration remain unknown, and there is limited data on the impact of vitamin D status on clinical outcomes...
May 15, 2018: Burns: Journal of the International Society for Burn Injuries
https://www.readbyqxmd.com/read/29775565/a-role-of-neuropeptide-cart-in-hyperphagia-and-weight-gain-induced-by-olanzapine-treatment-in-rats
#4
Kartik T Nakhate, Nishikant K Subhedar, Dadasaheb M Kokare
Although olanzapine is highly efficacious and most widely used second generation antipsychotic drug, the success of treatment has been hampered by its propensity to induce weight gain. While the underlying neuronal mechanisms are unclear, their elucidation may help to target alternative pathways regulating energy balance. The present study was undertaken to define the role of cocaine- and amphetamine-regulated transcript (CART), a well-known anorexic peptide, in olanzapine-induced hyperphagia and body weight gain in rats...
May 15, 2018: Brain Research
https://www.readbyqxmd.com/read/29775296/incorporation-of-a-theranostic-two-tone-luminescent-silver-complex-into-biocompatible-agar-hydrogel-composite-for-the-eradication-of-eskape-pathogens-in-a-skin-and-soft-tissue-infection-model
#5
Miguel N Pinto, Jorge Martinez-Gonzalez, Indranil Chakraborty, Pradip K Mascharak
Microbial invasion and colonization of the skin and underlying soft tissues are among the most common types of infections, becoming increasingly prevalent in hospital settings. Systemic antibiotic chemotherapies are now extremely limited due to emergence of drug-resistant Gram-positive and multidrug-resistant Gram-negative bacterial strains. Topical administration of antimicrobials provides an effective route for the treatment of skin and soft tissue infections (SSTIs). Therefore, the development of new and effective materials for the delivery of these agents is of paramount importance...
May 18, 2018: Inorganic Chemistry
https://www.readbyqxmd.com/read/29775040/considerations-for-safe-glucocorticoid-therapy
#6
(no author information available yet)
Synthetic glucocorticoids have innumerable therapeutic applications and are frequently used in medical practice. Changes in the wide variety of synthetic molecules and the different routes of administration cause differences in anti-inflammatory action, therapeutic action and mineralocorticoid effects. Endocrinologists are generally consulted to evaluate the gradual decline in treatment, rather than to indicate it. We present general information and practical advice to the pediatrician to minimize the adverse effects and considerations to be taken into account for the suspension of treatment...
June 1, 2018: Archivos Argentinos de Pediatría
https://www.readbyqxmd.com/read/29772297/pharmacokinetic-profile-and-oral-bioavailability-of-kaurenoic-acid-from-copaifera-spp-in-rats
#7
Dalyara Mendonça de Matos, Milainy Rocha Viana, Marcela Cristina de Oliveira Alvim, Lara Soares Aleixo de Carvalho, Laura Hora Rios Leite, Ademar Alves da Silva Filho, Jorge Willian Leandro Nascimento
Kaurenoic acid (KA) is a kaurane diterpene found in several medicinal plants that displays biological activities, such as anti-inflammatory, smooth muscle relaxant and hypotensive response. However, there are no pharmacokinetic data available about this molecule. The purpose of the study was to determine the pharmacokinetics profile and the oral bioavailability of KA in rats. Wistar rats submitted to jugular vein cannulation received 50 mg/kg of KA by intravenous or oral route. The implanted cannula allowed intravenous administration and serial blood collection along 10 h...
May 14, 2018: Fitoterapia
https://www.readbyqxmd.com/read/29772289/nose-to-brain-drug-delivery-an-update-on-clinical-challenges-and-progress-towards-approval-of-anti-alzheimer-drugs
#8
REVIEW
Mukta Agrawal, Swarnlata Saraf, Shailendra Saraf, Sophia G Antimisiaris, Mahavir Chougule, Sunday A Shoyele, Amit Alexander
According to the Alzheimer Association Report (2017), Alzheimer's disease (AD) is the 6th primary cause of death in the USA, which affects nearly 5.5 million people. In the year 2017 itself, the cost of AD treatment in the USA has been reported to rise to $259 billion. This statistic shows the severity of the disease in the USA which is very much similar across the globe. On the other hand, the treatment remains limited to a few conventional oral medications (approved by FDA). These are mainly acting superficially from mild to the moderate AD...
May 14, 2018: Journal of Controlled Release: Official Journal of the Controlled Release Society
https://www.readbyqxmd.com/read/29772283/amphiphilic-polyurethane-hydrogels-as-smart-carriers-for-acidic-hydrophobic-drugs
#9
Lucas P Fonseca, Rafael B Trinca, Maria Isabel Felisberti
Amphiphilic hydrogels are widely reported as systems with great potential for controlled drug release. Nevertheless, the majority of studies make use of functionalization or attachment of drugs to the polymer chains. In this study, we propose a strategy of combining amphiphilic polyurethanes with pH-responsive drugs to develop smart drug carriers. While the amphiphilic character of the polymer imparts an efficient load of hydrophobic and hydrophilic drugs, the drug's characteristics determine the selectivity of the medium delivery...
May 14, 2018: International Journal of Pharmaceutics
https://www.readbyqxmd.com/read/29772024/use-of-human-amniotic-epithelial-cells-in-mouse-models-of-bleomycin-induced-lung-fibrosis-a-systematic-review-and-meta-analysis
#10
Fang He, Aiting Zhou, Shuo Feng
BACKGROUND: Idiopathic pulmonary fibrosis (IPF) urgently requires effective treatment. Bleomycin-induced lung injury models are characterized by initial inflammation and secondary fibrosis, consistent with the pathological features of IPF. Human amniotic epithelial cells (hAECs) exhibit good differentiation potential and paracrine activity and are thus ideal for cell-based clinical therapies. The therapeutic effects of hAECs on lung fibrosis are attributed to many factors. We performed a systematic review of preclinical studies investigating the treatment of pulmonary fibrosis with hAECs to provide suggestions for their clinical use...
2018: PloS One
https://www.readbyqxmd.com/read/29771697/influenza-vaccine-strategies-for-solid-organ-transplant-recipients
#11
Cédric Hirzel, Deepali Kumar
PURPOSE OF REVIEW: The aim of this study was to highlight recent evidence on important aspects of influenza vaccination in solid organ transplant recipients. RECENT FINDINGS: Influenza vaccine is the most evaluated vaccine in transplant recipients. The immunogenicity of the vaccine is suboptimal after transplantation. Newer formulations such as inactivated unadjuvanted high-dose influenza vaccine and the administration of a booster dose within the same season have shown to increase response rates...
May 15, 2018: Current Opinion in Infectious Diseases
https://www.readbyqxmd.com/read/29771629/brain-uptake-of-multivalent-and-multi-specific-dvd-ig-proteins-after-systemic-administration
#12
Denise Karaoglu Hanzatian, Annette Schwartz, Farid Gizatullin, Jamie Erickson, Kangwen Deng, Ruth Villanueva, Christopher Stedman, Cristina Harris, Tariq Ghayur, Andrew Goodearl
Therapeutic monoclonal antibodies and endogenous IgG antibodies show limited uptake into the central nervous system (CNS) due to the blood-brain barrier (BBB), which regulates and controls the selective and specific transport of both exogenous and endogenous materials to the brain. The use of natural transport mechanisms, such as receptor-mediated transcytosis (RMT), to deliver antibody therapeutics into the brain have been studied in rodents and monkeys. Recent successful examples include monovalent bispecific antibodies and mono- or bivalent fusion proteins; however, these formats do not have the capability to bind to both the CNS target and the BBB transport receptor in a bivalent fashion as a canonical antibody would...
May 17, 2018: MAbs
https://www.readbyqxmd.com/read/29771146/nanosized-ethanol-based-malleable-liposomes-of-cytarabine-to-accentuate-transdermal-delivery-formulation-optimization-in-vitro-skin-permeation-and-in-vivo-bioavailability
#13
Rakesh Raj, Pooja Mongia Raj, Alpana Ram
Cytarabine is a pyrimidine nucleoside analog used predominantly for acute myeloid leukemia (AML) and also for other indications, including acute lymphocytic leukemia, chronic myelogenous leukemia, and lymphoma by parenteral route due to its low oral bioavailability. Parenteral administration requires constant plasma level, monitoring for its fluctuation and poor patients compliances. Hence the objective of this work is to construct optimized nanosized malleable liposomes of cytarabine to accentuate transdermal delivery of drug to circumvent previously mentioned drawbacks...
May 17, 2018: Artificial Cells, Nanomedicine, and Biotechnology
https://www.readbyqxmd.com/read/29770718/a-systematic-literature-review-comparing-methods-for-the-measurement-of-patient-persistence-and-adherence
#14
Carol A Forbes, Sohan Deshpande, Francesc Sorio-Vilela, Lucie Kutikova, Steven Duffy, Ioanna Gouni-Berthold, Emil Hagström
OBJECTIVES: A systematic literature review was conducted comparing different approaches estimating persistence and adherence in chronic diseases with polypharmacy of oral and subcutaneous treatments. METHODS: This work followed published guidance on performing systematic reviews. Twelve electronic databases and grey literature sources were used to identify studies and guidelines for persistence and adherence of oral and subcutaneous therapies in hypercholesterolemia, type 2 diabetes, hypertension, osteoporosis and rheumatoid arthritis...
May 17, 2018: Current Medical Research and Opinion
https://www.readbyqxmd.com/read/29769259/novel-therapeutics-for-hemophilia-and-other-bleeding-disorders
#15
Michael U Callaghan, Robert Sidonio, Steven W Pipe
Hemophilia and von Willebrand disease are the most common congenital bleeding disorders. Treatment for these disorders has focused on replacement of the missing coagulation factor to prevent or treat bleeding. New technologies and insights into hemostasis have driven the development of many promising new therapies for hemophilia and von Willebrand disease. Emerging bypass agents including zymogen-like factor IXa and Xa molecules are in development and a bispecific antibody, emicizumab, demonstrated efficacy in a phase III trial in people with hemophilia A and inhibitors...
May 16, 2018: Blood
https://www.readbyqxmd.com/read/29767896/-high-grade-serous-ovarian-cancer-2018-advances-and-controversies
#16
Nuria Mederos, Anita Wolfer, Patrice Mathevet, Maged Zaher, Apostolos Sarivalasis
The primary treatment of ovarian cancer consists in a complete surgical debulking followed by adjuvant chemotherapy combining platinum with taxanes. Despite this treatment, patient survival has remained stable over the last 20 years. Recently, advances in the sequence, regimens, and route of administration of treatment have enhanced effectiveness and reduced toxicity. Targeted anti-angiogenic therapy and recently PARP inhibitors are now complementing standard treatment and have improved patient progression-free survival...
May 16, 2018: Revue Médicale Suisse
https://www.readbyqxmd.com/read/29767290/stem-cells-in-alzheimer-s-disease-current-standing-and-future-challenges
#17
Haitham Salem, Gabriela D Colpo, Antonio L Teixeira
To date, there is no definitive treatment for Alzheimer's disease (AD). The realm of stem cells is very promising in regenerative medicine, particularly for neurodegenerative diseases. Various types of stem cells have been used in preclinical/clinical trials for AD aiming the development of an elusive disease modifying therapy. Over the last decade, much knowledge has been gained in this field regarding types of cells, routes and timing of administration, and outcomes of stem cells-based strategies for AD. In this chapter, we will trace the state of art and the challenges facing the use of stem cells in AD...
May 17, 2018: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/29766541/gold-nanoparticles-in-ophthalmology
#18
REVIEW
Florence Masse, Mathieu Ouellette, Guillaume Lamoureux, Elodie Boisselier
Many research projects are underway to improve the diagnosis and therapy in ophthalmology. Indeed, visual acuity deficits affect 285 million people worldwide and different strategies are being developed to strengthen patient care. One of these strategies is the use of gold nanoparticles (GNP) for their multiple properties and their ability to be used as both diagnosis and therapy tools. This review exhaustively details research developing GNPs for use in ophthalmology. The toxicity of GNPs and their distribution in the eye are described through in vitro and in vivo studies...
May 16, 2018: Medicinal Research Reviews
https://www.readbyqxmd.com/read/29765372/is-iqg-607-a-potential-metallodrug-or-metallopro-drug-with-a-defined-molecular-target-in-mycobacterium-tuberculosis
#19
REVIEW
Bruno L Abbadi, Valnês da Silva Rodrigues-Junior, Adilio da Silva Dadda, Kenia Pissinate, Anne D Villela, Maria M Campos, Luiz G de França Lopes, Cristiano V Bizarro, Pablo Machado, Eduardo H S Sousa, Luiz A Basso
The emergence of strains of Mycobacterium tuberculosis resistant to isoniazid (INH) has underscored the need for the development of new anti-tuberculosis agents. INH is activated by the mycobacterial katG -encoded catalase-peroxidase, forming an acylpyridine fragment that is covalently attached to the C4 of NADH. This isonicotinyl-NAD adduct inhibits the activity of 2- trans -enoyl-ACP(CoA) reductase (InhA), which plays a role in mycolic acid biosynthesis. A metal-based INH analog, Na3 [FeII (CN)5 (INH)]·4H2 O, IQG-607, was designed to have an electronic redistribution on INH moiety that would lead to an intramolecular electron transfer to bypass KatG activation...
2018: Frontiers in Microbiology
https://www.readbyqxmd.com/read/29765243/reexploring-5-methoxyindole-2-carboxylic-acid-mica-as-a-potential-antidiabetic-agent
#20
Liang-Jun Yan
5-Methoxyindole-2-carboxylic acid (MICA) is a potent hypoglycemic agent that inhibits gluconeogenesis in the liver. It is also a well-known inhibitor of mitochondrial dihydrolipoamide dehydrogenase. MICA was extensively studied in the 1960s and 1970s and was once tested for its antidiabetic effect in diabetic Chinese hamsters, whereby MICA was shown to exhibit pronounced glucose-lowering ability while also leading to increased rate of death of the diabetic animals. Since then, MICA's potential ability in lowering blood glucose in diabetes has never been revisited...
2018: Diabetes, Metabolic Syndrome and Obesity: Targets and Therapy
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