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https://www.readbyqxmd.com/read/29772289/nose-to-brain-drug-delivery-an-update-on-clinical-challenges-and-progress-towards-approval-of-anti-alzheimer-drugs
#1
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/29770579/cholinesterase-targeting-by-polyphenols-a-therapeutic-approach-for-the-treatment-of-alzheimer-s-disease
#2
REVIEW
Nasimudeen R Jabir, Fayaz Rahman Khan, Shams Tabrez
Alzheimer's disease (AD) is a progressive irreversible neurodegenerative disorder characterized by excessive deposition of β-amyloid (Aβ) oligomers, and neurofibrillary tangles (NFTs), comprising of hyperphosphorylated tau proteins. The cholinergic system has been suggested as the earliest and most affected molecular mechanism that describes AD pathophysiology. Moreover, cholinesterase inhibitors (ChEIs) are the potential class of drugs that can amplify cholinergic activity to improve cognition and global performance and reduce psychiatric and behavioral disturbances...
May 16, 2018: CNS Neuroscience & Therapeutics
https://www.readbyqxmd.com/read/29767332/recent-development-in-antihyperalgesic-effect-of-phytochemicals-anti-inflammatory-and-neuro-modulatory-actions
#3
REVIEW
Ajeet Kumar Singh, Sanjay Kumar, Manjula Vinayak
INTRODUCTION: Pain is an unpleasant sensation triggered by noxious stimulation. It is one of the most prevalent conditions, limiting productivity and diminishing quality of life. Non steroidal anti inflammatory drugs (NSAIDs) are widely used as pain relievers in present day practice as pain is mostly initiated due to inflammation. However, due to potentially serious side effects, long term use of these antihyperalgesic drugs raises concern. Therefore there is a demand to search novel medicines with least side effects...
May 16, 2018: Inflammation Research: Official Journal of the European Histamine Research Society ... [et Al.]
https://www.readbyqxmd.com/read/29765505/inhibition-of-protein-aggregation-by-several-antioxidants
#4
Samra Hasanbašić, Alma Jahić, Selma Berbić, Magda Tušek Žnidarič, Eva Žerovnik
Amyloid fibril formation is a shared property of all proteins; therefore, model proteins can be used to study this process. We measured protein aggregation of the model amyloid-forming protein stefin B in the presence and absence of several antioxidants. Amyloid fibril formation by stefin B was routinely induced at pH 5 and 10% TFE, at room temperature. The effects of antioxidants NAC, vitamin C, vitamin E, and the three polyphenols resveratrol, quercetin, and curcumin on the kinetics of fibril formation were followed using ThT fluorescence...
2018: Oxidative Medicine and Cellular Longevity
https://www.readbyqxmd.com/read/29744415/synergism-of-co-delivered-nanosized-antioxidants-displayed-enhanced-anticancer-efficacy-in-human-colon-cancer-cell-lines
#5
Lipika Ray, Manish Kumar Pal, Ratan Singh Ray
Combination of chemopreventive and/or therapeutic agents is the imminent smart approach to cope up with cancer because it may act on multiple targets through different pathways. In the present study, we have synthesized multiple chemopreventive and/or therapeutic agents (Curcumin, Quercetin and Aspirin) loaded nanoparticles by simple cation-anion interaction among the amine groups of chitosan (CS) and phosphate groups of sodium hexametaphosphate (SHMP). These nanosized bioactive materials (CS-SHMP-CQA-NPs) were well characterized and found most effective in colon cancer cell line (HCT-116) compared to other cancer cell lines...
June 2017: Bioactive Materials
https://www.readbyqxmd.com/read/29682215/oxidative-stress-role-of-physical-exercise-and-antioxidant-nutraceuticals-in-adulthood-and-aging
#6
REVIEW
Carolina Simioni, Giorgio Zauli, Alberto M Martelli, Marco Vitale, Gianni Sacchetti, Arianna Gonelli, Luca M Neri
Physical exercise is considered to be one of the beneficial factors of a proper lifestyle and is nowadays seen as an indispensable element for good health, able to lower the risk of disorders of the cardiovascular, endocrine and osteomuscular apparatus, immune system diseases and the onset of potential neoplasms. A moderate and programmed physical exercise has often been reported to be therapeutic both in the adulthood and in aging, since capable to promote fitness. Regular exercise alleviates the negative effects caused by free radicals and offers many health benefits, including reduced risk of all-cause mortality, sarcopenia in the skeletal muscle, chronic disease, and premature death in elderly people...
March 30, 2018: Oncotarget
https://www.readbyqxmd.com/read/29618945/inducers-of-senescence-toxic-compounds-and-senolytics-the-multiple-faces-of-nrf2-activating-phytochemicals-in-cancer-adjuvant-therapy
#7
REVIEW
Marco Malavolta, Massimo Bracci, Lory Santarelli, Md Abu Sayeed, Elisa Pierpaoli, Robertina Giacconi, Laura Costarelli, Francesco Piacenza, Andrea Basso, Maurizio Cardelli, Mauro Provinciali
The reactivation of senescence in cancer and the subsequent clearance of senescent cells are suggested as therapeutic intervention in the eradication of cancer. Several natural compounds that activate Nrf2 (nuclear factor erythroid-derived 2-related factor 2) pathway, which is involved in complex cytoprotective responses, have been paradoxically shown to induce cell death or senescence in cancer. Promoting the cytoprotective Nrf2 pathway may be desirable for chemoprevention, but it might be detrimental in later stages and advanced cancers...
2018: Mediators of Inflammation
https://www.readbyqxmd.com/read/29611487/complexation-of-bioelements-and-toxic-metals-by-polyphenolic-compounds-implications-for-health
#8
Sylwia Borowska, Malgorzata Michalina Brzoska, Michal Tomczyk
Nowadays growing interest in the possibility of prophylactic and therapeutic use of plant products rich in biologically active compounds has been observed. Among them special interest has been focused on polyphenol-rich products. Owing to multidirectional favourable action of polyphenols, products rich in these compounds are recommended as functional food in the case of civilization diseases. Moreover, data from studies in animal models show that polyphenols may be a promising preventive/therapeutic strategy for xenobiotics, including toxic heavy metals...
April 2, 2018: Current Drug Targets
https://www.readbyqxmd.com/read/29597029/dietary-nutraceuticals-as-backbone-for-bone-health
#9
REVIEW
Manoj K Pandey, Subash C Gupta, Deepkamal Karelia, Patrick J Gilhooley, Mehdi Shakibaei, Bharat B Aggarwal
Bone loss or osteoporosis, is a slow-progressing disease that results from dysregulation of pro-inflammatory cytokines. The FDA has approved number of drugs for bone loss prevention, nonetheless all are expensive and have multiple side effects. The nutraceuticals identified from dietary agents such as butein, cardamonin, coronarin D curcumin, diosgenin, embelin, gambogic acid, genistein, plumbagin, quercetin, reseveratrol, zerumbone and more, can modulate cell signaling pathways and reverse/slow down osteoporosis...
March 26, 2018: Biotechnology Advances
https://www.readbyqxmd.com/read/29525677/an-in-vitro-comparative-study-of-the-antioxidant-activity-and-sirt1-modulation-of-natural-compounds
#10
Jonathan Fusi, Sara Bianchi, Simona Daniele, Silvia Pellegrini, Claudia Martini, Fabio Galetta, Luca Giovannini, Ferdinando Franzoni
Oxidative stress arises from an imbalance between the production of free radicals and antioxidant defences. Several studies have suggested that dietary antioxidants (such as polyphenols and berberine) may counteract oxidative stress through the involvement of the Sirtuin 1/Adenosine Monophosphate-Activated Protein Kinase (SIRT1/AMPK) pathway. The aim of this study was to evaluate the direct and specific antioxidant activity of some natural compounds, as well as their ability to modulate the expression of SIRT1 and the activation of AMPK...
May 2018: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29518971/dietary-plants-for-the-prevention-and-management-of-kidney-stones-preclinical-and-clinical-evidence-and-molecular-mechanisms
#11
REVIEW
Mina Cheraghi Nirumand, Marziyeh Hajialyani, Roja Rahimi, Mohammad Hosein Farzaei, Stéphane Zingue, Seyed Mohammad Nabavi, Anupam Bishayee
Kidney stones are one of the oldest known and common diseases in the urinary tract system. Various human studies have suggested that diets with a higher intake of vegetables and fruits play a role in the prevention of kidney stones. In this review, we have provided an overview of these dietary plants, their main chemical constituents, and their possible mechanisms of action. Camellia sinensis (green tea), Rubus idaeus (raspberry), Rubia cordifolia (common madder), Petroselinum crispum (parsley), Punica granatum (pomegranate), Pistacia lentiscus (mastic), Solanum xanthocarpum (yellow-fruit nightshade), Urtica dioica (stinging nettle), Dolichos biflorus ( horse gram ), Ammi visnaga (khella), Nigella sativa (black-cumin), Hibiscus sabdariffa (roselle), and Origanum vulgare (oregano) have received considerable interest based on scientific evidence...
March 7, 2018: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29436996/herbal-products-for-common-auto-inflammatory-disorders-novel-approaches
#12
Shanoo Suroowan, Fawzi Mahomoodally
BACKGROUND: Common auto-inflammatory disorders (CAIDs) constitute a wide array of ailments ranging from acute allergies to chronic conditions. Globally, CAIDs remain one of the leading causes of disability and morbidity. Despite playing a leading therapeutic role, the vast profusion of anti-inflammatory synthetic agents have not been able to fully resolve a panoply of CAIDs. Additionally, contemporary synthetic therapy approaches remain bounded by a wide array of limitations essentially being adverse effects and unaffordable costs...
2018: Combinatorial Chemistry & High Throughput Screening
https://www.readbyqxmd.com/read/29389678/orally-administered-combination-of-hyaluronic-acid-chondroitin-sulfate-curcumin-and-quercetin-in-the-prevention-of-postcoital-recurrent-urinary-tract-infections-analysis-of-98-women-in-reproductive-age-after-6-months-of-treatment
#13
Michele Carlo Schiavi, Maria Grazia Porpora, Flaminia Vena, Giovanni Prata, Valentina Sciuga, Ottavia D'Oria, Chiara Di Tucci, Delia Savone, Natalia Aleksa, Andrea Giannini, Maria Paola Nusiner, Marzio Angelo Zullo, Ludovico Muzii, Pierluigi Benedetti Panici
OBJECTIVE: The aim of this study is to assess the efficacy of orally administered combination of hyaluronic acid (HA), chondroitin sulfate (CS), curcumin, and quercetin for the prevention of postcoital recurrent urinary tract infection (UTI) in reproductive age women. METHODS: Ninety-eight consecutive patients in reproductive age affected by UTI were considered for the study. All 98 patients received a combination of HA, CS, curcumin, and quercetin two tablets per diem for the first month and one tablet every day for the next 5 months...
January 31, 2018: Female Pelvic Medicine & Reconstructive Surgery
https://www.readbyqxmd.com/read/29378496/nutraceuticals-to-promote-neuronal-plasticity-in-response-to-corticosterone-induced-stress-in-human-neuroblastoma-cells
#14
Snehal Gite, R Paul Ross, Dara Kirke, Freddy Guihéneuf, Justine Aussant, Dagmar B Stengel, Timothy G Dinan, John F Cryan, Catherine Stanton
OBJECTIVES: To search for novel compounds that will protect neuronal cells under stressed conditions that may help to restore neuronal plasticity. METHODS: A model of corticosterone (CORT)-induced stress in human neuroblastoma cells (SH-SY5Y) was used to compare the efficacy of 6 crude extracts and 10 pure compounds (6 polyphenols, 2 carotenoids, 1 amino acid analogue, and 1 known antidepressant drug) to increase neuronal plasticity and to decrease cytotoxicity...
January 29, 2018: Nutritional Neuroscience
https://www.readbyqxmd.com/read/29359486/four-fold-channel-nicked-human-ferritin-nanocages-for-active-drug-loading-and-ph-responsive-drug-release
#15
Byungjun Ahn, Seong-Gyu Lee, Hye Ryeon Yoon, Jeong Min Lee, Hyeok Jin Oh, Ho Min Kim, Yongwon Jung
Human ferritins are emerging platforms for non-toxic protein-based drug delivery, owing to their intrinsic or acquirable targeting abilities to cancer cells and hollow cage structures for drug loading. However, reliable strategies for high-level drug encapsulation within ferritin cavities and prompt cellular drug release are still lacking. Ferritin nanocages were developed with partially opened hydrophobic channels, which provide stable routes for spontaneous and highly accumulated loading of FeII -conjugated drugs as well as pH-responsive rapid drug release at endoplasmic pH...
March 5, 2018: Angewandte Chemie
https://www.readbyqxmd.com/read/29356695/using-polyphenol-derivatives-to-prevent-muscle-wasting
#16
Marc Francaux, Louise Deldicque
PURPOSE OF REVIEW: To highlight recent evidence for the ability of polyphenols and their derivatives to reduce muscle wasting in different pathological states. RECENT FINDINGS: From January 2016 to August 2017, four articles dealt with the effects of polyphenols on muscle wasting, which were all carried out in mice. The four studies found that polyphenols reduced muscle mass loss associated with cancer cachexia, acute inflammation or sciatic nerve section. One study even showed that muscle mass was totally preserved when rutin was added to the diet of mice undergoing cancer cachexia...
May 2018: Current Opinion in Clinical Nutrition and Metabolic Care
https://www.readbyqxmd.com/read/29334211/curcumin-and-quercetin-ameliorated-cypermethrin-and-deltamethrin-induced-reproductive-system-impairment-in-male-wistar-rats-by-upregulating-the-activity-of-pituitary-gonadal-hormones-and-steroidogenic-enzymes
#17
Poonam Sharma, Irshad Aslam Khan, Rambir Singh
Background: Dietary antioxidants protect tissues and organs against insecticides/xenobiotic-induced damage. In the present study, we evaluated the results of exposure to synthetic pyrethroid insecticides, cypermethrin (Cyp) and deltamethrin (Del) and possible protective effects of curcumin and quercetin on reproductive system in male Wistar rats. MATERIALS AND METHODS: In this controlled experimental study, 42 male Wistar rats were randomly divided into 7 groups of 6 animals...
April 2018: International Journal of Fertility & Sterility
https://www.readbyqxmd.com/read/29332583/eating-green-shining-light-on-the-use-of-dietary-phytochemicals-as-a-modern-approach-in-the-prevention-and-treatment-of-head-and-neck-cancers
#18
Linda L Eastham, Candace M Howard, Premalatha Balachandran, David S Pasco, Pier Paolo Claudio
Enthusiasm for the use of dietary bioactive compounds as chemopreventive agents and adjuvants for current therapies has increased laboratory research conducted on several types of cancers including Head and Neck Squamous Cell Carcinoma (HNSCC). The green chemoprevention movement is a modern approach to highlight healthy lifestyle changes that aim to decrease the incidence of HNSCC. A healthy diet can be an effective way to prevent the development of oral cancers. Discovery of the naturally occurring plant based compounds called phytochemicals has facilitated the development of new treatment strategies for patients that are at risk for, or have developed HNSCC...
January 12, 2018: Current Topics in Medicinal Chemistry
https://www.readbyqxmd.com/read/29287782/naringenin-induced-enhanced-antioxidant-defence-system-meliorates-cholinergic-neurotransmission-and-consolidates-memory-in-male-rats
#19
Laraib Liaquat, Zehra Batool, Sadia Sadir, Sahar Rafiq, Sidrah Shahzad, Tahira Perveen, Saida Haider
AIMS: Free radical mediated neurotoxicity is a leading cause of neurodegenerative disorders. Neurodegeneration due to oxidative stress can produce cognitive dysfunctions. Flavonoids and curcuminoids are naturally occurring polyphenolic compounds that display a variety of therapeutic importance against oxidative stress. MAIN METHODS: This study was designed to assess potential role of polyphenolic compounds in neurocognitive functions and prevention against oxidative stress...
February 1, 2018: Life Sciences
https://www.readbyqxmd.com/read/29234485/regulation-of-sirtuin-mediated-protein-deacetylation-by-cardioprotective-phytochemicals
#20
REVIEW
Niria Treviño-Saldaña, Gerardo García-Rivas
Modulation of posttranslational modifications (PTMs), such as protein acetylation, is considered a novel therapeutic strategy to combat the development and progression of cardiovascular diseases. Protein hyperacetylation is associated with the development of numerous cardiovascular diseases, including atherosclerosis, hypertension, cardiac hypertrophy, and heart failure. In addition, decreased expression and activity of the deacetylases Sirt1, Sirt3, and Sirt6 have been linked to the development and progression of cardiac dysfunction...
2017: Oxidative Medicine and Cellular Longevity
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