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https://www.readbyqxmd.com/read/28081536/wt1-haploinsufficiency-supports-milder-renal-manifestation-in-two-patients-with-denys-drash-syndrome
#1
Mara S Guaragna, Juliana G Ribeiro de Andrade, Bárbara de Freitas Carli, Vera M S Belangero, Andréa T Maciel-Guerra, Gil Guerra-Júnior, Maricilda P de Mello
Denys-Drash syndrome (DDS) is characterized by nephropathy, genital abnormalities, and predisposition to Wilms' tumor. DDS patients usually present heterozygous de novo germline WT1 mutations. The WT1 gene comprises 10 exons encoding the N-terminal transactivation and the C-terminal DNA-binding regions. Two unrelated patients with genital ambiguity and Wilms' tumor were analyzed by sequencing of the WT1 gene, and 3 mutations in exon 1 were identified of which 2 are novel. Patient 1 carried a c.555delC mutation that causes a frameshift and a premature stop codon...
January 13, 2017: Sexual Development: Genetics, Molecular Biology, Evolution, Endocrinology, Embryology, and Pathology of Sex Determination and Differentiation
https://www.readbyqxmd.com/read/28079361/controllable-synthesis-of-smart-multifunctional-nanoscal-metal-organic-framework-for-magnetic-resonance-optical-imaging-and-targeted-drug-delivery
#2
Xuechuan Gao, Manjue Zhai, Weihua Guan, Jingjuan Liu, Zhiliang Liu, Alatangaole Damirin
As a result of their extraordinarily large surfaces and well-defined pores, the design of multifunctional metal-organic framework (MOF) is crucial for drug delivery while has been rarely reported. In this paper, a novel drug delivery system (DDS) based on nanoscale metal-organic framework (MOF) was developed for using in cancer diagnosis and therapy. This MOF based tumour targeting DDS was fabricated by a simple post-synthetic surface modification process. Firstly, magnetic mesoporous nanomaterial Fe-MIL-53-NH2 was devoted for encapsulating the drug and served as a magnetic resonance (MR) contrast agent...
January 12, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28068965/dietary-diversity-and-associated-factors-among-children-6-23-months-of-age-in-gorche-district-southern-ethiopia-cross-sectional-study
#3
Dalecha Dangura, Samson Gebremedhin
BACKGROUND: Dietary diversity (DD) is useful indicator of dietary quality and nutrient adequacy. In developing countries limited evidence is available regarding predictors of DD during the critical complementary feeding period. The purpose of the study is to assess DD and predictors among children 6-23 months of age in rural Gorche district, Southern Ethiopia. METHOD: A community based cross-sectional study was conducted among 417 children aged 6-23 months in Gorche district...
January 9, 2017: BMC Pediatrics
https://www.readbyqxmd.com/read/28068767/microneedle-assisted-skin-permeation-by-non-toxic-bioengineerable-gas-vesicle-nanoparticles
#4
Abhay U Andar, Ram Karan, Wolf T Pecher, Priya DasSarma, William D Hedrich, Audra L Stinchcomb, Shiladitya DasSarma
Gas vesicle nanoparticles (GVNPs) are hollow, buoyant protein organelles produced by the extremophilic microbe Halobacterium sp. NRC-1 and are being developed as bioengineerable and biocompatible antigen and drug-delivery systems (DDS). Dynamic light scattering measurements of purified GVNP suspensions showed a mean diameter of 245 nm. In vitro diffusion studies using Yucatan miniature pig skin showed GVNP permeation to be enhanced after MN-treatment compared to untreated skin. GVNPs were found to be non-toxic to mammalian cells (human kidney and rat mycocardial myoblasts)...
January 9, 2017: Molecular Pharmaceutics
https://www.readbyqxmd.com/read/28064105/a-brief-review-on-the-application-of-nanoparticle-enclosed-herbal-medicine-for-the-treatment-of-infective-endocarditis
#5
REVIEW
Mehrdad Namdari, Ali Eatemadi, Maryam Soleimaninejad, Aiyelabegan T Hammed
Herbal medicines have been routinely employed all over the world dated back from the ancient time and have been identified by patients and physicians for their excellent therapeutic value as they have lower adverse effects when compared with the modern medicines. Phytotherapeutics requires a scientific technique to deliver the active herbal extract in a controlled manner to avoid repeated administration and increase patient compliance. This can be reached by fabricating a novel drug delivery systems (NDDS) for herbal components...
January 5, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28057042/prevalence-and-factors-associated-with-overweight-and-obesity-among-private-kindergarten-school-children-in-bahirdar-town-northwest-ethiopia-cross-sectional-study
#6
Yoseph Tadesse, Terefe Derso, Kefyalew Addis Alene, Molla Mesele Wassie
BACKGROUND: In Sub-Saharan Africa, most nutrition efforts have concentrated on under-nutrition in children. However, national surveys rarely report the high prevalence of overweight and obesity among children. Likewise, in Ethiopia there is growing recognition of the emergence of a "double-burden" of malnutrition, with under and over nutrition occurring simultaneously among children, especially allied with improvements in socio-economic conditions. Hence, the study aimed to assess the prevalence and factors associated with overweight and obesity among private kindergarten school children aged 3-6 years in Bahirdar town, Northwest Ethiopia...
January 4, 2017: BMC Research Notes
https://www.readbyqxmd.com/read/28053523/anti-muc1-nano-aptamers-for-triple-negative-breast-cancer-imaging-by-single-photon-emission-computed-tomography-in-inducted-animals-initial-considerations
#7
Fagner Santos do Carmo, Eduardo Ricci-Junior, Cristal Cerqueira-Coutinho, Marta de Souza Albernaz, Emerson Soares Bernardes, Sotiris Missailidis, Ralph Santos-Oliveira
The early and specific detection of tumors remains a barrier in oncology, especially in cases such as the triple-negative breast cancer (TNBC). To address this gap, aptamers have found an important application in the recognition of tumor biomarkers such as mucin 1 (MUC1). However, there are still some difficulties in the use of aptamer, as their rapid biological clearance makes their use as drugs limited. In this study, the anti-MUC1 aptamer was used as a drug delivery system (DDS) for a radioactive polymeric nanoparticle (NP) in the imaging of TNBCs...
2017: International Journal of Nanomedicine
https://www.readbyqxmd.com/read/28049894/development-of-new-liposome-targeting-strategies-for-application-of-disease-therapies
#8
Kosuke Shimizu
 Drug delivery systems (DDS) are based on the concept of providing the optimal amount of a drug to a specific area requiring treatment. Liposomes are lipid-based nanoparticles capable of encapsulating any drug into both their membrane and aqueous phases. They have the potential to be targeted when their surfaces are modified with functional molecules such as antibodies and peptides. Thus, liposomes have strong potential as drug carriers if designed for active targeting. Our research group has recently developed a new concept for liposome targeting called "reverse targeting DDS (RT-DDS)"...
2017: Yakugaku Zasshi: Journal of the Pharmaceutical Society of Japan
https://www.readbyqxmd.com/read/28049673/dental-students-reflections-on-quality-of-periodontal-care-in-dental-school-clinics
#9
Sangeetha Chandrasekaran, Charles Powell, Laurice De la Rosa, Anuj Mittal, Lonnie Johnson
The aim of this study was to analyze dental students' descriptions of and reflections on the periodontal care they provided for their patients in dental school clinics. All students enrolled in the final year of the DDS program in 2011-14 at the University of Colorado School of Dental Medicine were required to complete a self-assessment of the periodontal care they provided for patients. Assessments from 263 students were compiled and qualitatively analyzed. The key reasons given for not providing good care were identified and then stratified as student/school-dependent or patient-dependent factors...
January 2017: Journal of Dental Education
https://www.readbyqxmd.com/read/28032742/multifunctional-peptide-amphiphile-end-capped-mesoporous-silica-nanoparticles-for-tumor-targeting-drug-delivery
#10
Yin-Jia Cheng, Ai-Qing Zhang, Jing-Jing Hu, Feng He, Xuan Zeng, Xian-Zheng Zhang
A tumor targeting redox-responsive drug delivery system (DDS) with bioactive surface was constructed by immobilizing peptide-based amphiphile C12-CGRKKRRQRRRPPQRGDS (defined as ADDA-TCPP) onto the mesoporous silica nanoparticles (MSNs) as an end-capping nanovalve, which consists of two main segments: a hydrophobic alkyl chain ADDA and a hydrophilic amino acid sequence containing a Tat48-60 peptide sequence with a thiol terminal group and an RGDS targeting ligand, via a disulfide linkage for redox-triggered intracellular drug delivery...
January 12, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28029435/assessment-of-complex-dissociative-disorder-patients-and-simulated-dissociation-in-forensic-contexts
#11
Bethany L Brand, Aliya R Webermann, A Steven Frankel
Few assessors receive training in assessing dissociation and complex dissociative disorders (DDs). Potential differential diagnoses include anxiety, mood, psychotic, substance use, and personality disorders, as well as exaggeration and malingering. Individuals with DDs typically elevate on many clinical and validity scales on psychological tests, yet research indicates that they can be distinguished from DD simulators. Becoming informed about the testing profiles of DD individuals and DD simulators can improve the accuracy of differential diagnoses in forensic settings...
October 29, 2016: International Journal of Law and Psychiatry
https://www.readbyqxmd.com/read/28028294/emergence-of-ctx-m-15-producing-e-coli-o25b-st131-clone-in-a-tertiary-care-hospital-of-bangladesh
#12
N Begum, S M Shamsuzzaman
BACKGROUND: Extended-spectrum β-lactamase (ESBL) producing uropathogens has become prevalent worldwide. E. coli O25b-ST131 clone, associated with blaCTX-M-15, has been reported from many parts of the world and is frequently associated with multidrug resistance. Thus far, there are no reports about this clone in Bangladesh. The objective of this study was to investigate ESBL producing uropathogens and to survey the prevalence of E. coli O25b-ST131 clone among ESBL positive E. coli isolates...
December 2016: Malaysian Journal of Pathology
https://www.readbyqxmd.com/read/28017890/rigidity-of-polymer-micelles-affects-interactions-with-tumor-cells
#13
Tal Stern, Inon Kaner, Neta Laser Zer, Hila Shoval, Dvir Dror, Zakhariya Manevitch, Liraz Chai, Yifat Brill-Karniely, Ofra Benny
Controlling the interaction of drug delivery systems (DDS) with tissues is critical for the success of therapies. Specifically in cancer, due to the high density of the tumors, tissue penetration of DDS is critical and may be challenging. In previous work we have shown that Solidified Polymer Micelles (SPMs) rapidly internalize into cells and tissues. Using AFM analysis, in the present work we measured differences in rigidity of SPM compared with Wet Polymer Micelles (WPM). We further examined whether the semi-solid form of hydrated SPMs has an effect on the interaction with tumor cells both in mono-layer systems and in multi-layer clusters of cells as spheroids...
December 23, 2016: Journal of Controlled Release: Official Journal of the Controlled Release Society
https://www.readbyqxmd.com/read/28004484/adolescent-life-with-diabetes-gender-matters-for-level-of-distress-experiences-from-the-national-tods-study
#14
Gun Forsander, Mette Bøgelund, Josephine Haas, Ulf Samuelsson
OBJECTIVE: To examine the relationship between diabetes distress and gender, and the association with glycemic control, social support, health behaviors, and socio-economic status. METHODS: All adolescents, aged 15 to 18 years, in the national, pediatric diabetes registry SWEDIABKIDS with type 1 diabetes were invited to complete an online questionnaire. A total of 2112 teenagers were identified. RESULTS: 453 complete responses were valid for analyses...
December 22, 2016: Pediatric Diabetes
https://www.readbyqxmd.com/read/27999414/recent-advances-in-stimuli-responsive-release-function-drug-delivery-systems-for-tumor-treatment
#15
REVIEW
Chendi Ding, Ling Tong, Jing Feng, Jiajun Fu
Benefiting from the development of nanotechnology, drug delivery systems (DDSs) with stimuli-responsive controlled release function show great potential in clinical anti-tumor applications. By using a DDS, the harsh side effects of traditional anti-cancer drug treatments and damage to normal tissues and organs can be avoided to the greatest extent. An ideal DDS must firstly meet bio-safety standards and secondarily the efficiency-related demands of a large drug payload and controlled release function. This review highlights recent research progress on DDSs with stimuli-responsive characteristics...
December 20, 2016: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/27998111/carbon-dot-coated-alginate-beads-as-a-smart-stimuli-responsive-drug-delivery-system
#16
Sristi Majumdar, Gargee Krishnatreya, Neelam Gogoi, Debajit Thakur, Devasish Chowdhury
In this work, we report a smart stimuli-responsive drug delivery system (DDS) that can release drug depending upon the amount of pathogen (MRSA) present in the target. A greater amount of MRSA in the system will lead to more release of drug and vice versa. Carbon-dot-coated novel alginate beads (CA-CD) exhibiting superior stability was successfully used as smart drug delivery vehicle. Garlic extract (GE), which contains allicin, was taken as model drug system to demonstrate the phenomena. It was observed that GE loading was 19 and 78% with CA and CA-CD, respectively...
December 21, 2016: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/27997198/in-vivo-drug-delivery-performance-of-lipiodol-based-emulsion-or-drug-eluting-beads-in-patients-with-hepatocellular-carcinoma
#17
Elsa Lilienberg, Ilse R Dubbelboer, Amar Karalli, Rimma Axelsson, Torkel B Brismar, Charlotte Ebeling Barbier, Agneta Norén, Frans Duraj, Mikael Hedeland, Ulf Bondesson, Erik Sjögren, Per Stål, Rickard Nyman, Hans Lennernäs
Doxorubicin (DOX) delivered in a lipiodol-based emulsion (LIPDOX) or in drug-eluting beads (DEBDOX) is used as palliative treatment in patients with intermediate-stage hepatocellular carcinoma (HCC). The primary objective of this study was to evaluate the in vivo delivery performance of DOX from LIPDOX or DEBDOX in HCC patients using the local and systemic pharmacokinetics of DOX and its main metabolite doxorubicinol (DOXol). Urinary excretion of DOX and DOXol and their short-term safety and antitumor effects were also evaluated...
January 5, 2017: Molecular Pharmaceutics
https://www.readbyqxmd.com/read/27994822/the-effect-of-nutrition-consultation-on-dietary-diversity-score-of-cardiac-patients-referred-to-cardiac-rehabilitation-research-center-isfahan-cardiovascular-research-institute-during-2008-2013
#18
Sepideh Mehrabani, Noushin Mohammadifard, Sanaz Mehrabani, Masoumeh Sadeghi, Firouzeh Sajjadi, Maryam Maghroun, Mohammad Reza Maracy, Seyyed Morteza Safavi
BACKGROUND: Dietary diversity score (DDS) measurement was used to assessment of diet quality in different disease like cardiovascular disease. One way to improve the cardiovascular patient's ability is cardiac rehabilitation program that include exercise training, nutrition consultation and psychological treatment. No study was designed to compare the DDS before and after dietary consultation among cardiac rehabilitation patients, so this study was designed to examine this purpose. METHODS: Subjects were participated in the 2-month cardiac rehabilitation program...
2016: International Journal of Preventive Medicine
https://www.readbyqxmd.com/read/27990214/shape-induced-acid-responsive-heat-triggered-highly-facilitated-drug-release-by-cube-shaped-magnetite-nanoparticles
#19
Debarati De, Madhuri Mandal Goswami
This paper reports a very simple yet better method for synthesis of cube shaped magnetite nanoparticles (MNPs) and their application in the drug delivery system (DDS). Structural analysis was done by XRD measurements to confirm the phase of the material, and morphological information was obtained through TEM analysis to confirm the shape and size of the particles. It has been shown that these particles can be decomposed in acid medium. These acid-decomposable magnetite nano-particles have been used for heat triggered, remote-controlled, on demand delivery and release of a cancer drug doxorubicin for research and therapeutic purposes...
November 2016: Biomicrofluidics
https://www.readbyqxmd.com/read/27978790/recent-trends-in-nanotechnology-based-drugs-and-formulations-for-targeted-therapeutic-delivery
#20
Hafiz M N Iqbal, Angel Villalba, Rekha Khandia, Ashok Munjal, Kuldeep Dhama
In the recent past, a wider spectrum of nanotechnology-based drugs or drug-loaded devices/systems has been engineered and investigated though using different methodological approaches including in-vitro, in-vivo, and ex-vivo techniques. Among them, nanoparticles-based therapeutic agents have been exploited for an enhanced and efficient delivery in the current biomedical sector of the modern world. However, the development of new types of novel, efficient and highly reliable therapeutic drug delivery system (DDS) for multipurpose applications is essential and also a core demand to tackle many human health related diseases...
December 13, 2016: Recent Patents on Inflammation & Allergy Drug Discovery
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