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https://www.readbyqxmd.com/read/28344018/enhanced-topical-penetration-system-exposure-and-anti-psoriasis-activity-of-two-particle-sized-curcumin-loaded-plga-nanoparticles-in-hydrogel
#1
Lin Sun, Zeyu Liu, Lun Wang, Dongmei Cun, Henry H Y Tong, Ru Yan, Xin Chen, Ruibing Wang, Ying Zheng
Psoriasis is an immune-mediated skin disorder, which is triggered by the aberrant activation of dendritic cells in skin. This activation is followed by the complex interaction between the immune cells in the skin and keratinocyte in the epidermis. To improve the conditions of poor aqueous solubility and chemical stability, overcome skin barriers, and enhance in-vivo anti-psoriatic activity, curcumin (Cur) loaded poly (lactic-co-glycolic acid) (PLGA) nanoparticles (NPs) were fabricated and administered by topical route to treat Imiquimod (IMQ)-induced psoriasis-like mouse model...
March 23, 2017: Journal of Controlled Release: Official Journal of the Controlled Release Society
https://www.readbyqxmd.com/read/28342034/molecular-characterization-of-a-new-begomovirus-infecting-mirabilis-jalapa-in-northern-india
#2
Aditya Kulshreshtha, Poonam Roshan, Dolly Sharma, Vipin Hallan
Begomoviruses are whitefly-transmitted single-stranded DNA viruses that are responsible for considerable economic losses. A begomovirus, alphasatellite and betasatellite were characterized in a Mirabilis jalapa plant exhibiting severe leaf curling and mottling symptoms. The complete viral genome shared highest sequence identity of 87% with pedilanthus leaf curl virus (AM712436), reported from Pakistan. Additionally, the viral genome was 84% identical to that of chilli leaf curl India virus (KX951415) and 83% identical to that of tobacco curly shoot virus (GU1999584), which were previously reported to infect M...
March 24, 2017: Archives of Virology
https://www.readbyqxmd.com/read/28339005/curcumin-inhibits-angiotensin-ii-induced-inflammation-and-proliferation-of-rat-vascular-smooth-muscle-cells-by-elevating-ppar-%C3%AE-activity-and-reducing-oxidative-stress
#3
Hai-Yu Li, Mei Yang, Ze Li, Zhe Meng
Angiotensin II (AngII)-induced production of inflammatory factors and proliferation in vascular smooth muscle cells (VSMCs) play an important role in the progression of atherosclerotic plaques. Growing evidence has demonstrated that activation of peroxisome proliferator-activated receptor-γ (PPAR-γ) effectively attenuates AngII-induced inflammation and intercellular reactive oxygen species (iROS) production. Curcumin (Cur) inhibits inflammatory responses by enhancing PPAR-γ activity and reducing oxidative stress in various tissues...
March 20, 2017: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/28337260/mir-590-3p-mediates-the-protective-effect-of-curcumin-on-injured-endothelial-cells-induced-by-angiotensin-ii
#4
Tian Wu, Yuanyuan Xiang, Yu Lv, Dai Li, Lijin Yu, Ren Guo
Curcumin (Cur) has multiple pharmacological effects including antitumor, anti-inflammatory, antioxidant and cardiovascular protective effects. This research aims to further explore whether the cardiovascular protective effects of Cur are mediated by the miR-590-3p/CD40 pathway. Endothelial cells (ECs) were cultivated with 10(-7) mol/L angiotensin II (Ang II) to establish a damage model. Real-time PCR was used to determine the expression of CD40 and eNOS mRNA on ECs. The protein expressions of CD40 and eNOS were detected by Western blot analysis...
2017: American Journal of Translational Research
https://www.readbyqxmd.com/read/28336111/hepatoprotective-effects-of-curcumin-in-rats-after-bile-duct-ligation-via-downregulation-of-rac1-and-nox1
#5
Zohreh-Al-Sadat Ghoreshi, Razieh Kabirifar, Fatemeh Safari, Alireza Karimollah, Ali Moradi, Ebrahim Eskandari-Nasab
OBJECTIVES: New evidence has proven the hepatoprotective activity of curcumin; however, its underlying mechanisms remain to be elucidated. The aim of this study was to investigate the protective effect of curcumin on hepatic damage by measuring the antioxidant capacity and expression level of Rho-related C3 botulinum toxin substrate (Rac1), Rac1-Guanosine triphosphate (Rac1-GTP), and NADPH oxidase 1(NOX1) in biliary duct-ligated (BDL)-fibrotic rat model. METHODS: Wistar rats weighing 200 to 250 g were divided into four groups (n = 8 for each): sham group, sham+Cur group (received curcumin 100 mg/kg daily), BDL+Cur group, and BDL group...
April 2017: Nutrition
https://www.readbyqxmd.com/read/28331366/the-effects-of-turmeric-curcumin-on-tumor-suppressor-protein-p53-and-estrogen-receptor-er%C3%AE-in-breast-cancer-cells
#6
Kelly Hallman, Katie Aleck, Brigitte Dwyer, Victoria Lloyd, Meghan Quigley, Nada Sitto, Amy E Siebert, Sumi Dinda
Curcumin (CUR) is a compound that has antibacterial, antiviral, anti-inflammatory, and anticancer properties. In this study, we have analyzed the effects of CUR on the expression of ERα and p53 in the presence of hormones and anti-hormones in breast cancer cells. Cells were cultured in a medium containing charcoal-stripped fetal bovine serum to deplete any endogenous steroids and treated with CUR at varying concentrations or in combination with hormones and anti-hormones. Protein analysis revealed a relative decrease in the levels of p53 and ERα upon treatment with 5-60 µM CUR...
2017: Breast Cancer: Targets and Therapy
https://www.readbyqxmd.com/read/28326684/collagen-cellulose-nanocrystal-scaffolds-containing-curcumin-loaded-microspheres-on-infected-full-thickness-burns-repair
#7
Rui Guo, Yong Lan, Wei Xue, Biao Cheng, Yuanming Zhang, Changyong Wang, Seeram Ramakrishna
Burn infection is a serious problem that delays wound healing and leads to death. Curcumin (Cur) has been shown to exhibit antioxidant, anti-inflammatory, antimicrobial and anticarcinogenic activity. However, its instability, extremely low aqueous solubility and bioavailability in physiological fluids may make it difficult to maintain local Cur concentrations above the minimum inhibitory concentration for burn infection treatment. The objective of this study was to construct complexes of Cur/gelatin microspheres (GMs) and porous collagen (Coll)-cellulose nanocrystals (CNCs) composite scaffolds for full-thickness burn infection treatment...
March 22, 2017: Journal of Tissue Engineering and Regenerative Medicine
https://www.readbyqxmd.com/read/28326611/mechanical-characterization-of-curly-hair-influence-of-the-use-of-nonconventional-hair-straightening-treatments
#8
M G A Leite, P M B G Maia Campos
BACKGROUND/PURPOSE: Hair straighteners are very popular around the world, although they can cause great damage to the hair. Thus, the characterization of the mechanical properties of curly hair using advanced techniques is very important to clarify how hair straighteners act on hair fibers and to contribute to the development of effective products. On this basis, we chose two nonconventional hair straighteners (formaldehyde and glyoxylic acid) to investigate how hair straightening treatments affect the mechanical properties of curly hair...
March 21, 2017: Skin Research and Technology
https://www.readbyqxmd.com/read/28300918/pili-canaliculi-as-manifestation-of-giant-axonal-neuropathy
#9
Hiram Larangeira de Almeida, Gilberto Garcias, Ricardo Marques E Silva, Stela Laner Batista, Fernanda Pasetto
Giant axonal neuropathy is a rare autosomal recessive neurodegenerative disease. The condition is characterized by neurons with abnormally large axons due to intracellular filament accumulation. The swollen axons affect both the peripheral and central nervous system. A 6-year old female patient had been referred to a geneticist reporting problems with walking and hypotonia. At the age of 10, she became wheelchair dependent. Scanning electron microscopy of a curly hair classified it as pili canaliculi. GAN gene sequencing demonstrated mutation c...
September 2016: Anais Brasileiros de Dermatologia
https://www.readbyqxmd.com/read/28294964/alginate-based-composite-sponges-as-gastroretentive-carriers-for-curcumin-loaded-self-microemulsifying-drug-delivery-systems
#10
Arpa Petchsomrit, Namfa Sermkaew, Ruedeekorn Wiwattanapatapee
Alginate-based composite sponges were developed as carriers to prolong the gastric retention time and controlled release of curcumin-loaded self-microemulsifying drug delivery systems (Cur-SMEDDS). Liquid Cur-SMEDDS was incorporated into a solution made up of a mixture of polymers and converted into a solid form by freeze-drying. The ratio of alginate as the main polymer, adsorbent (colloidal silicon dioxide), and additional polymers-sodium carboxymethyl cellulose (SCMC), hydroxypropyl methylcellulose (HPMC)-was varied systematically to adjust the drug loading and entrapment efficiency, sponge buoyancy, and the release profile of Cur-SMEDDS...
March 15, 2017: Scientia Pharmaceutica
https://www.readbyqxmd.com/read/28290522/nutritional-control-of-il-23-th17-mediated-autoimmune-disease-through-ho-1-stat3-activation
#11
Jürgen Brück, Julia Holstein, Ivana Glocova, Ursula Seidel, Julia Geisel, Toshio Kanno, Jin Kumagai, Naoko Mato, Stephan Sudowe, Katja Widmaier, Tobias Sinnberg, Amir S Yazdi, Franziska C Eberle, Kiyoshi Hirahara, Toshinori Nakayama, Martin Röcken, Kamran Ghoreschi
The nutritional curcumin (CUR) is beneficial in cell-mediated autoimmune diseases. The molecular mechanisms underlying this food-mediated silencing of inflammatory immune responses are poorly understood. By investigating antigen-specific immune responses we found that dietary CUR impairs the differentiation of Th1/Th17 cells in vivo during encephalomyelitis and instead promoted Th2 cells. In contrast, feeding CUR had no inhibitory effect on ovalbumin-induced airway inflammation. Mechanistically, we found that CUR induces an anti-inflammatory phenotype in dendritic cells (DC) with enhanced STAT3 phosphorylation and suppressed expression of Il12b and Il23a...
March 14, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28289548/the-comparative-effectiveness-and-cost-effectiveness-of-ranibizumab-for-neovascular-macular-degeneration-revisited
#12
Gary C Brown, Melissa M Brown, Heidi B Lieske, Adam Turpcu, Yamina Rajput
BACKGROUND: To compare a near decade of follow-up, newer control cohort data, use of both the societal and third party insurer cost perspectives, and integration of unilateral/bilateral therapy on the comparative effectiveness and cost-effectiveness of intravitreal ranibizumab therapy for neovascular, age-related macular degeneration (AMD). METHODS: Value-Based Medicine(®), 12-year, combined-eye model, cost-utility analysis employing MARINA and HORIZON clinical trial data...
2017: International Journal of Retina and Vitreous
https://www.readbyqxmd.com/read/28285082/response-assessment-in-myeloma-practical-manual-on-consistent-reporting-in-an-era-of-dramatic-therapeutic-advances
#13
Laurent Garderet, Anita D'Souza, Paulette Jacobs, Anja van Biezen, Stefan Schönland, Nicolaus Kroeger, Curly Morris, Parameswaran Hari
The understanding and treatment of multiple myeloma have dramatically improved in the last years. However, accurate assessment of the response of myeloma to therapy and its subsequent relapse remains a difficult task. Criteria have changed over time and new parameters have recently been incorporated to evaluate the minimal residual disease status. We present a practical approach to assess response and relapse/progression in myeloma in the context of its treatment. A robust reporting schema is crucial to correctly evaluate any treatment protocol and do cross trial comparisons...
March 8, 2017: Biology of Blood and Marrow Transplantation
https://www.readbyqxmd.com/read/28284878/differential-expression-of-krt83-regulated-by-the-transcript-factor-cap1-in-chinese-tan-sheep
#14
Yufang Liu, Xiaolong Kang, Wanjie Yang, Minggui Xie, Jibin Zhang, Meiying Fang
Keratin 83 (KRT83) is an important keratin protein in hair development. In this study, expression of KRT83 was compared among different tissues and between 1-month-old lambs and 48-month adult of Chinese Tan sheep, which showed different fleece phenotypes. The results showed that KRT83 was only expressed in skin, and KRT83 mRNA level in skin was significantly higher in Tan lambs than in adult sheep. To further understand the expression regulation of KRT83 by transcription factors in Tan sheep, amplified sequences coving different ranges of KRT83 promoter region were inserted into a pGL3-basic vector and then transfected into sheep primary fibroblast cells...
March 8, 2017: Gene
https://www.readbyqxmd.com/read/28281678/a-glycyrrhetinic-acid-modified-curcumin-supramolecular-hydrogel-for-liver-tumor-targeting-therapy
#15
Guoqin Chen, Jinliang Li, Yanbin Cai, Jie Zhan, Jie Gao, Mingcai Song, Yang Shi, Zhimou Yang
Curcumin (Cur), a phenolic anti-oxidant compound obtained from Curcuma longa plant, possesses a variety of therapeutic properties. However, it is suffered from its low water solubility and low bioavailability property, which seriously restricts its clinical application. In this study, we developed a glycyrrhetinic acid (GA) modified curcumin supramolecular pro-gelator (GA-Cur) and a control compound Nap-Cur by replacing GA with the naphthylacetic acid (Nap). Both compounds showed good water solubility and could form supramolecular gels by disulfide bond reduction triggered by glutathione (GSH) in vitro...
March 10, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28274217/disruption-of-rcsb-by-a-duplicated-sequence-in-a-curli-producing-escherichia-coli-o157-h7-results-in-differential-gene-expression-in-relation-to-biofilm-formation-stress-responses-and-metabolism
#16
V K Sharma, D O Bayles, D P Alt, T Looft, B W Brunelle, J A Stasko
BACKGROUND: Escherichia coli O157:H7 (O157) strain 86-24, linked to a 1986 disease outbreak, displays curli- and biofilm-negative phenotypes that are correlated with the lack of Congo red (CR) binding and formation of white colonies (CR(-)) on a CR-containing medium. However, on a CR medium this strain produces red isolates (CR(+)) capable of producing curli fimbriae and biofilms. RESULTS: To identify genes controlling differential expression of curli fimbriae and biofilm formation, the RNA-Seq profile of a CR(+) isolate was compared to the CR(-) parental isolate...
March 8, 2017: BMC Microbiology
https://www.readbyqxmd.com/read/28267745/disturbed-sensorimotor-and-electrophysiological-patterns-in-lead-intoxicated-rats-during-development-are-restored-by-curcumin-i
#17
Hind Benammi, Hasna Erazi, Omar El Hiba, Laurent Vinay, Hélène Bras, Jean-Charles Viemari, Halima Gamrani
Lead poisoning is one of the most significant health problem of environmental origin. It is known to cause different damages in the central and peripheral nervous system which could be represented by several neurophysiological and behavioral symptoms. In this study we firstly investigated the effect of lead prenatal exposure in rats to (3g/L), from neonatal to young age, on the motor/sensory performances, excitability of the spinal cord and gaits during development. Then we evaluated neuroprotective effects of curcumin I (Cur I) against lead neurotoxicity, by means of grasping and cliff avoidance tests to reveal the impairment of the sensorimotor functions in neonatal rats exposed prenatally to lead...
2017: PloS One
https://www.readbyqxmd.com/read/28267496/-click-chemistry-mediated-construction-of-cationic-curdlan-nanocarriers-for-efficient-gene-delivery
#18
Jingfen Han, Xia Wang, Lixia Liu, Dongxue Li, Suyaola Suyaola, Tianyue Wang, Huricha Baigude
A cationic group has been quantitatively and selectively introduced into C6 position of each glucose units of Curdlan by "Click Chemistry" successfully. The resulting cationic Curdlan-Imidazole-lysine polymers (Cur-6-100Lys) exhibit excellent water solubility. Structure of the Cur-6-100Lys complexes was verified by FTIR and NMR spectroscopic measurements, and analysis of Cur-6-100Lys by GPC, DLS and SEM revealed that they have stoichiometric, nanosized spheroidal structures. Cytotoxicity measurement, electrophoretic mobility shift assay and EGFP-pDNA transfection have been carried out respectively...
May 1, 2017: Carbohydrate Polymers
https://www.readbyqxmd.com/read/28267439/mechanisms-of-colitis-accelerated-colon-carcinogenesis-and-its-prevention-with-the-combination-of-aspirin-and-curcumin-transcriptomic-analysis-using-rna-seq
#19
Yue Guo, Zheng-Yuan Su, Chengyue Zhang, John M Gaspar, Rui Wang, Ronald P Hart, Michael P Verzi, Ah-Ng Tony Kong
Colorectal cancer (CRC) remains the leading cause of cancer-related death in the world. Aspirin (ASA) and curcumin (CUR) are widely investigated chemopreventive candidates for CRC. However, the precise mechanisms of their action and their combinatorial effects have not been evaluated. The purpose of the present study was to determine the effect of ASA, CUR, and their combination in azoxymethane/dextran sulfate sodium (AOM/DSS)-induced colitis-accelerated colorectal cancer (CAC). We also aimed to characterize the differential gene expression profiles in AOM/DSS-induced tumors as well as in tumors modulated by ASA and CUR using RNA-seq...
March 3, 2017: Biochemical Pharmacology
https://www.readbyqxmd.com/read/28254284/novel-ultrasound-responsive-chitosan-perfluorohexane-nanodroplets-for-image-guided-smart-delivery-of-an-anticancer-agent-curcumin
#20
Fatemeh Baghbani, Mahdieh Chegeni, Fathollah Moztarzadeh, Samaneh Hadian-Ghazvini, Majid Raz
Ultrasound-responsive nanodroplets are a class of new emerging smart drug delivery systems which provide image-guided nano-therapy of various diseases, especially cancers. Here, we developed multifunctional smart curcumin-loaded chitosan/perfluorohexane nanodroplets for contrast-ultrasound imaging and on-demand drug delivery. The nanodroplets were synthesized via nanoemulsion process. The optimal formulation with the size of 101.2nm and 77.8% curcumin entrapment was chosen for release study and cytotoxicity evaluation...
May 1, 2017: Materials Science & Engineering. C, Materials for Biological Applications
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