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https://www.readbyqxmd.com/read/28328176/glucose-responsive-supramolecular-vesicles-based-on-water-soluble-pillar-5-arene-and-pyridylboronic-acid-derivative-for-controlled-insulin-delivery
#1
Lei Gao, Tingting Wang, Keke Jia, Xuan Wu, Chenhao Yao, Wei Shao, Dongmei Zhang, Xiao-Yu Hu, Leyong Wang
The stimuli-responsive behavior of supramolecular nanocarriers is crucial for their potential applications as smart drug delivery systems. We hereby constructed a glucose-responsive supramolecular drug delivery system constructed by the host-guest interaction between a water-soluble pillar[5]arene (WP5) and a pyridylboronic acid derivative (G) for insulin delivery and controlled release at physiological condition, which represents the ideal treatment of diabetes mellitus. The drug loading and in vitro drug release experiments demonstrated that large molecular weight insulin could be successfully encapsulated into the vesicles with high loading efficiency, which to the best of our knowledge, is the first example of small size supramolecular vesicles with excellent encapsulation capacity of large protein molecule...
March 22, 2017: Chemistry: a European Journal
https://www.readbyqxmd.com/read/28319001/impact-on-psychosocial-outcomes-of-a-nationally-available-weight-management-program-tailored-for-individuals-with-type-2-diabetes-results-of-a-randomized-controlled-trial
#2
Lauren Holland-Carter, Peter W Tuerk, Thomas A Wadden, Ken N Fujioka, Lynne E Becker, Karen Miller-Kovach, Priscilla L Hollander, W Timothy Garvey, Daniel Weiss, Domenica M Rubino, Robert F Kushner, Robert J Malcolm, William J Raum, Kathie L Hermayer, Jan L Veliko, Stephanie L Rost, Nicoleta D Sora, Jonny L Salyer, Patrick M O'Neil
AIMS: Type 2 diabetes mellitus (T2DM) can substantially decrease quality of life (QOL). This study examined the effects on QOL-relevant psychosocial measures of a widely available commercial weight loss program enhanced for individuals with T2DM. METHODS: A year-long multi-site randomized clinical trial compared the Weight Watchers (WW) approach, supplemented with phone and email counseling with a certified diabetes educator (CDE), to brief standard diabetes nutrition counseling and education (Standard Care; SC)...
February 16, 2017: Journal of Diabetes and its Complications
https://www.readbyqxmd.com/read/28318938/diabetes-nurse-case-management-in-a-canadian-tertiary-care-setting-results-of-a-randomized-controlled-trial
#3
Danni Li, Tom Elliott, Gerri Klein, Ehud Ur, Tricia S Tang
OBJECTIVES: To examine the effects of a 6-month nurse case manager (NCM) intervention compared to standard care (SC) on glycemic control and diabetes distress in a Canadian tertiary-care setting. METHODS: We recruited 140 adults with type 2 diabetes and glycated hemoglobin (A1C) levels >8% (64 mmol/mol) from 2 tertiary care facilities and randomized them to: 1) a 6-month NCM intervention in addition to SC or 2) SC by the primary endocrinologists. Assessments were conducted at baseline and at 6 months...
March 17, 2017: Canadian Journal of Diabetes
https://www.readbyqxmd.com/read/28318411/predicting-a-dissociative-disorder-from-type-of-childhood-maltreatment-and-abuser-abused-relational-tie
#4
Christa Krüger, Lizelle Fletcher
We investigate the types of childhood maltreatment and abuser-abused relational ties that best predict a dissociative disorder (DD). Psychiatric inpatients (n = 116; mean age = 35; F:M = 1.28:1) completed measures of dissociation and trauma. Abuse type and abuser-abused relational ties were recorded in the Traumatic Experiences Questionnaire. Multidisciplinary team clinical diagnosis or administration of the SCID-D-R to high dissociators confirmed DD diagnoses. Logit models described the relationships between abuser-abused relational tie and the diagnostic grouping of patients, DD present (n = 16) or DD absent (n = 100)...
February 23, 2017: Journal of Trauma & Dissociation
https://www.readbyqxmd.com/read/28303595/a-single-intra-articular-injection-of-fluvastatin-plga-microspheres-reduces-cartilage-degradation-in-rabbits-with-experimental-osteoarthritis
#5
Norio Goto, Ken Okazaki, Yukio Akasaki, Kohei Ishihara, Koji Murakami, Kiyoshi Koyano, Yasunori Ayukawa, Noriyuki Yasunami, Tomohiro Masuzaki, Yasuharu Nakashima
Statins are cholesterol-lowering drugs that inhibit 3-hydroxy-3- methylglutaryl-coenzyme A (HMG-CoA) reductase, a rate-limiting enzyme of the mevalonate pathway. The anti-inflammatory effect of statins has been reported in recent years. The present study investigated therapeutic effects of the local administration of statin in osteoarthritis (OA). We assessed clinically used statins and selected fluvastatin for further experimentation, as it showed potent anabolic and anti-catabolic effects on human OA chondrocytes...
March 17, 2017: Journal of Orthopaedic Research: Official Publication of the Orthopaedic Research Society
https://www.readbyqxmd.com/read/28295770/differences-in-depression-treatment-satisfaction-and-injection-behavior-in-adults-with-type-1-diabetes-and-different-degrees-of-lipohypertrophy
#6
Ingvild Hernar, Johannes Haltbakk, Anders Broström
AIMS AND OBJECTIVES: To assess the prevalence of lipohypertrophy, and to compare differences in external, personal, and regimen factors in adults with type 1 diabetes and different degrees of lipohypertrophy. BACKGROUND: Suboptimal insulin injection behavior is associated with lipohypertrophy, which may affect insulin absorption and lead to blood glucose fluctuations. Few, if any studies have investigated how external, personal, and regimen factors differ in people with type 1 diabetes and different degrees of lipohypertrophy...
March 15, 2017: Journal of Clinical Nursing
https://www.readbyqxmd.com/read/28291372/spotlight-on-the-delivery-of-photosensitizers-different-approaches-for-photodynamic-based-therapies
#7
Diogo Silva Pellosi, Priscila da Costa Carvalho de Jesus, Antonio Claudio Tedesco
Nanomedicine development allowed the discovery of new photosensitizers (PS) and drug delivery systems (DDS) to overcome current issues on phototherapy. Nano-engineered materials have the potential to improve the solubility of PS, control drug pharmacokinetics, decreasing side effects, increasing bioavailability, and overcoming multidrug resistance. A recent approach is the co-delivery of PS with other therapeutic agents in a multimodal platform for synergic and improved results. Areas Covered: This paper discusses the delivery of PS-nanostructured platforms for conventional, photothermal, and antimicrobial photodynamic therapies, as well as in a recent therapeutic modality for photobiomodulation, covering applications of cancer diagnosis, targeting to skin pathogens, photoregeneration and wound healing...
March 14, 2017: Expert Opinion on Drug Delivery
https://www.readbyqxmd.com/read/28280323/enhanced-anticancer-efficacy-of-paclitaxel-through-multistage-tumor-targeting-liposomes-modified-with-rgd-and-kla-peptides
#8
Jiawei Sun, Lei Jiang, Yi Lin, Ethan Michael Gerhard, Xuehua Jiang, Li Li, Jian Yang, Zhongwei Gu
Mitochondria serve as both "energy factories" and "suicide weapon stores" of cells. Targeted delivery of cytotoxic drugs to the mitochondria of tumor cells and tumor vascular cells is a promising strategy to improve the efficacy of chemotherapy. Here, multistage tumor-targeting liposomes containing two targeted peptide-modified lipids, cRGD-PEG2000-DSPE and KLA-PEG2000-DSPE, were developed for encapsulation of the anticancer drug paclitaxel (PTX, RGD-KLA/PTX-Lips). Compared with Taxol (free PTX), RGD/PTX-Lips and KLA/PTX-Lips, the half-maximal inhibitory concentration (IC50) value of RGD-KLA/PTX-Lips in vitro was 1...
2017: International Journal of Nanomedicine
https://www.readbyqxmd.com/read/28274681/what-is-diabetes-distress-and-how-can-we-measure-it-a-narrative-review-and-conceptual-model
#9
REVIEW
Kathryn Dennick, Jackie Sturt, Jane Speight
BACKGROUND: Diabetes distress is the negative emotional impact of living with diabetes. It has tangible clinical importance, being associated with sub-optimal self-care and glycemic control. Diabetes distress has been operationalized in various ways and several measures exist. Measurement clarity is needed for both scientific and clinical reasons. OBJECTIVES: To clarify the conceptualization and operationalization of diabetes distress, identify and distinguish relevant measures, and evaluate their appropriateness for this purpose...
February 14, 2017: Journal of Diabetes and its Complications
https://www.readbyqxmd.com/read/28265359/the-relationship-between-agricultural-biodiversity-dietary-diversity-household-food-security-and-stunting-of-children-in-rural-kenya
#10
Florence K M'Kaibi, Nelia P Steyn, Sophie A Ochola, Lissane Du Plessis
The study was to determine the role of Dietary diversity (DD), household food security (HFS), and agricultural biodiversity (AB) on stunted growth in children. Two cross-sectional studies were undertaken 6 months apart. Interviews were done with mothers/caregivers and anthropometric measurements of children 24-59 months old. HFS was assessed by household food insecurity access scale (HFIAS). A repeated 24-h recall was used to calculate a dietary diversity score (DDS). Agricultural biodiversity (AB) was calculated by counting the number of edible plants and animals...
March 2017: Food Science & Nutrition
https://www.readbyqxmd.com/read/28261942/cultural-competence-skills-in-a-dental-curriculum-a-review
#11
R J Mariño, A Ghanim, S L Barrow, M V Morgan
This study aimed to analyse and evaluate the extent of transcultural content in the current curricula of the Doctor of Dental Surgery (DDS), Bachelor of Oral Health (BOH) and Master of Nursing Science (MNSc) courses at the University of Melbourne. METHODS: The study was conducted in two phases: a quantitative review and assessment of the current DDS, BOH and MNSc curricula at the University of Melbourne, and interviews with various staff from the University of Melbourne who were responsible for curriculum development for these courses...
March 6, 2017: European Journal of Dental Education: Official Journal of the Association for Dental Education in Europe
https://www.readbyqxmd.com/read/28255348/current-multistage-drug-delivery-systems-based-on-the-tumor-microenvironment
#12
REVIEW
Binlong Chen, Wenbing Dai, Bing He, Hua Zhang, Xueqing Wang, Yiguang Wang, Qiang Zhang
The development of traditional tumor-targeted drug delivery systems based on EPR effect and receptor-mediated endocytosis is very challenging probably because of the biological complexity of tumors as well as the limitations in the design of the functional nano-sized delivery systems. Recently, multistage drug delivery systems (Ms-DDS) triggered by various specific tumor microenvironment stimuli have emerged for tumor therapy and imaging. In response to the differences in the physiological blood circulation, tumor microenvironment, and intracellular environment, Ms-DDS can change their physicochemical properties (such as size, hydrophobicity, or zeta potential) to achieve deeper tumor penetration, enhanced cellular uptake, timely drug release, as well as effective endosomal escape...
2017: Theranostics
https://www.readbyqxmd.com/read/28246057/diabetes-related-distress-and-its-associated-factors-among-patients-with-type-2-diabetes-mellitus-in-china
#13
Huanhuan Zhou, Junya Zhu, Lin Liu, Fan Li, Anne F Fish, Tao Chen, Qingqing Lou
Diabetes-related distress is one of the psychological disorders affecting patients with diabetes, yet there are few studies about diabetes-related distress in Chinese patients. To assess the level of psychological distress and examine its associated factors, we conducted a cross-sectional analysis of patients with type 2 diabetes mellitus from a Chinese tertiary hospital. The Diabetes Distress Scale (DDS) and the General Self-Efficacy Scale (GSES) were administered. There were 210 (57.85%) patients with little or no diabetes-related distress, 84 (23...
February 24, 2017: Psychiatry Research
https://www.readbyqxmd.com/read/28243448/problem-solving-therapy-for-adults-with-diabetic-retinopathy-and-diabetes-specific-distress-a-pilot-randomized-controlled-trial
#14
Gwyneth Rees, Fleur O'Hare, Marian Saeed, Bronwyn Sudholz, Bonnie A Sturrock, Jing Xie, Jane Speight, Ecosse L Lamoureux
OBJECTIVE: To provide preliminary evidence for the impact of problem-solving therapy for diabetes (PST-D) in adults with diabetic retinopathy (DR) and diabetes distress. RESEARCH DESIGN AND METHODS: In a pilot randomized controlled trial, 40 participants with DR and diabetes distress were allocated to the PST-D or control groups. Diabetes distress (DDS), depressive symptoms (PHQ-9), self-care activities (SDSCA), and HbA1c were assessed at baseline, and 3 and 6-month follow-ups...
2017: BMJ Open Diabetes Research & Care
https://www.readbyqxmd.com/read/28231308/diet-diversity-and-nutritional-status-among-adults-in-southwest-china
#15
Qiang Zhang, Xinguang Chen, Zhitao Liu, Deepthi S Varma, Rong Wan, Shiwen Zhao
BACKGROUND: With rapid urbanization in the past decades, diet diversity continues to increase in China. The present cross-sectional study aims to explore the association between dietary diversity and nutritional status among adults in southwest China. METHODS: This study used data from 2011-2012 National Nutritional Survey in Yunnan Province, southwest China (N = 1105).Data of three consecutive 24-hour dietary recalls were used to calculate dietary diversity scores (DDS) and nutrient adequacy ratio (NAR)...
2017: PloS One
https://www.readbyqxmd.com/read/28231037/leonard-i-linkow-dds-dmsc
#16
Sheldon Winkler
No abstract text is available yet for this article.
February 2017: Journal of Oral Implantology
https://www.readbyqxmd.com/read/28230204/high-resolution-imaging-of-living-mammalian-cells-bound-by-nanobeads-connected-antibodies-in-a-medium-using-scanning-electron-assisted-dielectric-microscopy
#17
Tomoko Okada, Toshihiko Ogura
Nanometre-scale-resolution imaging technologies for liquid-phase specimens are indispensable tools in various scientific fields. In biology, observing untreated living cells in a medium is essential for analysing cellular functions. However, nanoparticles that bind living cells in a medium are hard to detect directly using traditional optical or electron microscopy. Therefore, we previously developed a novel scanning electron-assisted dielectric microscope (SE-ADM) capable of nanoscale observations. This method enables observation of intact cells in aqueous conditions...
February 23, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28229946/multiwalled-carbon-nanotubes-for-drug-delivery-efficiency-related-to-length-and-incubation-time
#18
Niccolò Sciortino, Stefano Fedeli, Paolo Paoli, Alberto Brandi, Paola Chiarugi, Mirko Severi, Stefano Cicchi
Batches of oxidized multiwalled carbon nanotubes differing in length were adopted to prepare two drug delivery systems (DDS) loaded with doxorubicin. The different internalization of the two batches, verified by atomic emission spectroscopy onto cell lysates, was also confirmed by the different toxicity of the same DDS loaded with doxorubicin. In vitro experiments evidenced, after 48h of incubation, the superior efficacy of the shortest nanotubes. However, upon prolonging the incubation time up to 72h the difference in efficiency was minimized due to the spontaneous release of doxorubicin by the non-internalized long nanotubes...
February 13, 2017: International Journal of Pharmaceutics
https://www.readbyqxmd.com/read/28229943/in-situ-hybrid-nano-drug-delivery-system-ihn-dds-of-antiretroviral-drug-for-simultaneous-targeting-to-multiple-viral-reservoirs-an-in-vivo-proof-of-concept
#19
Anil B Jindal, Sagar S Bachhav, Padma V Devarajan
We report In situ hybrid nano drug delivery system (IHN-DDS) of nevirapine (NVP) for simultaneous targeting to multiple viral reservoirs. The IHN-DDS system was comprised of a preconcentrate containing NVP, lipid, and a surfactant which when diluted with water resulted in the formation of nanoparticles of size range varied from 70 to 1100nm. Transmission electron microscopy and small angle neutron scattering studies of pellet and supernatant obtained after centrifugation of the IHN-DDS revealed spherical shaped nanoparticles and assembled structures, respectively...
February 14, 2017: International Journal of Pharmaceutics
https://www.readbyqxmd.com/read/28229535/enrichment-and-viability-inhibition-of-circulating-tumor-cells-on-a-dual-acid-responsive-composite-nanofiber-film
#20
Wenqian Wang, Yaya Cheng, Yansheng Li, Hao Zhou, Li-Ping Xu, Yongqiang Wen, Liang Zhao, Xueji Zhang
The formation and metastatic colonization of circulating tumor cells (CTCs) are responsible for the vast majority of cancer-related deaths. Over the last decade, drug delivery system (DDS) has been rapidly developed with nanotechnology arising, however, most of the reported tumor-targeting DDSs were just able to deliver drugs to the solid tumor cells but not CTCs. In here, a novel drug delivery system was constructed with composite nanofiber film to inhibit the viability of circulating tumor cells (CTCs). In this system, gold nanoparticles (Au NPs) were functionalized with doxorubicin (DOX) through an acid-responsive cleavable linker to get the Au-DOX NPs...
February 23, 2017: ChemMedChem
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