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https://www.readbyqxmd.com/read/28918561/marine-polysaccharides-therapeutic-efficacy-and-biomedical-applications
#1
REVIEW
Young-Eun Lee, Hyeongmin Kim, Changwon Seo, Taejun Park, Kyung Bin Lee, Seung-Yup Yoo, Seong-Chul Hong, Jeong Tae Kim, Jaehwi Lee
The ocean contains numerous marine organisms, including algae, animals, and plants, from which diverse marine polysaccharides with useful physicochemical and biological properties can be extracted. In particular, fucoidan, carrageenan, alginate, and chitosan have been extensively investigated in pharmaceutical and biomedical fields owing to their desirable characteristics, such as biocompatibility, biodegradability, and bioactivity. Various therapeutic efficacies of marine polysaccharides have been elucidated, including the inhibition of cancer, inflammation, and viral infection...
September 16, 2017: Archives of Pharmacal Research
https://www.readbyqxmd.com/read/28918483/effects-of-multidisciplinary-teams-and-an-integrated-follow-up-electronic-system-on-clinical-pharmacist-interventions-in-a-cancer-hospital
#2
Muhammad Tahir Aziz, Tofeeq Ur Rehman, Sadia Qureshi, Sidrah Andleeb
Background The aim of drug therapy is to attain distinct therapeutic effects that not only improve patient's quality of life but also reduce the inherent risks associated with the therapeutic use of drugs. Pharmacists play a key role in reducing these risks by developing appropriate interventions. Whether to accept or reject the intervention made by the pharmacist is a relevant consultant's decision. Objective To evaluate the impact of electronic prompts and follow-up of rejected pharmacy interventions by clinical pharmacists in an in-patient setting...
September 16, 2017: International Journal of Clinical Pharmacy
https://www.readbyqxmd.com/read/28918020/rationally-engineered-aav-capsids-improve-transduction-and-volumetric-spread-in-the-cns
#3
Nicholas M Kanaan, Rhyomi C Sellnow, Sanford L Boye, Ben Coberly, Antonette Bennett, Mavis Agbandje-McKenna, Caryl E Sortwell, William W Hauswirth, Shannon E Boye, Fredric P Manfredsson
Adeno-associated virus (AAV) is the most common vector for clinical gene therapy of the CNS. This popularity originates from a high safety record and the longevity of transgene expression in neurons. Nevertheless, clinical efficacy for CNS indications is lacking, and one reason for this is the relatively limited spread and transduction efficacy in large regions of the human brain. Using rationally designed modifications of the capsid, novel AAV capsids have been generated that improve intracellular processing and result in increased transgene expression...
September 15, 2017: Molecular Therapy. Nucleic Acids
https://www.readbyqxmd.com/read/28917628/an-engineered-biomarker-system-to-monitor-and-modulate-immune-clearance-of-cell-therapies
#4
Amy Singleton, Danika Khong, Ling-Yee Chin, Shilpaa Mukundan, Matthew Li, Biju Parekkadan
BACKGROUND AIMS: Cell transplants offer a new opportunity to deliver therapies with novel and complex mechanisms of action. Understanding the pharmacology of cell transplants is important to deliver this new therapy effectively. Currently, however, there are limited techniques to easily track cells after intravenous administration due to the dispersion of the graft throughout the entire body. METHODS: We herein developed an engineered cell system that secretes a luciferase enzyme to sensitively detect cell transplants independent of their locale by a simple blood test...
September 13, 2017: Cytotherapy
https://www.readbyqxmd.com/read/28917626/ultrasound-assisted-liposuction-provides-a-source-for-functional-adipose-derived-stromal-cells
#5
Dominik Duscher, Zeshaan N Maan, Anna Luan, Matthias M Aitzetmüller, Elizabeth A Brett, David Atashroo, Alexander J Whittam, Michael S Hu, Graham G Walmsley, Khosrow S Houschyar, Arndt F Schilling, Hans-Guenther Machens, Geoffrey C Gurtner, Michael T Longaker, Derrick C Wan
BACKGROUND AIMS: Regenerative medicine employs human mesenchymal stromal cells (MSCs) for their multi-lineage plasticity and their pro-regenerative cytokine secretome. Adipose-derived mesenchymal stromal cells (ASCs) are concentrated in fat tissue, and the ease of harvest via liposuction makes them a particularly interesting cell source. However, there are various liposuction methods, and few have been assessed regarding their impact on ASC functionality. Here we study the impact of the two most popular ultrasound-assisted liposuction (UAL) devices currently in clinical use, VASER (Solta Medical) and Lysonix 3000 (Mentor) on ASCs...
September 13, 2017: Cytotherapy
https://www.readbyqxmd.com/read/28917603/development-of-the-nurses-care-coordination-competency-scale-for-mechanically-ventilated-patients-in-critical-care-settings-in-japan-part-1-development-of-a-measuring-instrument
#6
Chie Takiguchi, Yumiko Yatomi, Tomoko Inoue
OBJECTIVES: To develop a draft scale measuring nurses' care coordination competency for care of mechanically ventilated patients in critical care settings. METHOD: The scale items and concepts were derived from semi-structured interviews with 28 professionals (14 nurses, eight physicians, three physical therapists, three clinical engineers) who are managing mechanically ventilated critical care patients. A grounded theory approach was used. After content validation by experts, two pilot tests were used to identify and correct non-discriminating items and vague items...
September 13, 2017: Intensive & Critical Care Nursing: the Official Journal of the British Association of Critical Care Nurses
https://www.readbyqxmd.com/read/28917530/overcoming-key-biological-barriers-to-cancer-drug-delivery-and-efficacy
#7
Susy M Kim, Peggy H Faix, Jan E Schnitzer
Poor delivery efficiency continues to hamper the effectiveness of cancer therapeutics engineered to destroy solid tumors using different strategies such as nanocarriers, targeting agents, and matching treatments to specific genetic mutations. All contemporary anti-cancer agents are dependent upon passive transvascular mechanisms for their delivery into solid tumors. The therapeutic efficacies of our current drug arsenal could be significantly improved with an active delivery strategy. Here, we discuss how drug delivery and therapeutic efficacy is greatly hindered by barriers presented by the vascular endothelial cell layer and by the aberrant nature of tumor blood vessels in general...
September 13, 2017: Journal of Controlled Release: Official Journal of the Controlled Release Society
https://www.readbyqxmd.com/read/28915575/hexokinase-2-promotes-tumor-growth-and-metastasis-by-regulating-lactate-production-in-pancreatic-cancer
#8
Marybeth Anderson, Raoud Marayati, Richard Moffitt, Jen Jen Yeh
Pancreatic ductal adenocarcinoma (PDAC) is a KRAS-driven cancer with a high incidence of metastasis and an overall poor prognosis. Previous work in a genetically engineered mouse model of PDAC showed glucose metabolism to be important for maintaining tumor growth. Multiple glycolytic enzymes, including hexokinase 2 (HK2), were upregulated in primary PDAC patient tumors, supporting a role for glycolysis in promoting human disease. HK2 was most highly expressed in PDAC metastases, suggesting a link between HK2 and aggressive tumor biology...
August 22, 2017: Oncotarget
https://www.readbyqxmd.com/read/28915385/photoluminescent-lateral-flow-based-on-non-radiative-energy-transfer-for-protein-detection-in-human-serum
#9
Alejandro Zamora-Gálvez, Eden Morales-Narváez, Javier Romero, Arben Merkoçi
A new paper-based lateral flow immunoassay configuration was engineered and investigated. The assay is intended for the detection of a model protein in human serum, that is, human immunoglobulin G, with the aim to demonstrate a virtually universal protein detection platform. Once the sample is added in the strip, the analyte is selectively captured by antibody-decorated silica beads (Ab-SiO2) onto the conjugate pad and the sample flows by capillarity throughout the strip until reaching the test line, where a sandwich-like immunocomplex takes place due to the presence of antibody-functionalized QDs (Ab-QDs) onto the test line...
September 11, 2017: Biosensors & Bioelectronics
https://www.readbyqxmd.com/read/28915233/the-utility-of-stem-cells-in-pediatric-urinary-bladder-regeneration
#10
REVIEW
Philip M Iannaccone, Vasil Galat, Matthew I Bury, Yongchao C Ma, Arun K Sharma
Pediatric patients with a neurogenic urinary bladder caused by developmental abnormalities including spina bifida exhibit chronic urological problems. Surgical management in the form of enterocystoplasty is used to enlarge the bladder but is associated with significant clinical complications. Thus, alternative methods to enterocystoplasty have been explored through the incorporation of stem cells with tissue engineering strategies. Within the context of this review, we will examine the use of bone marrow stem cells and induced pluripotent stem cells (iPSCs) as they relate to bladder regeneration at the anatomic and molecular levels...
September 15, 2017: Pediatric Research
https://www.readbyqxmd.com/read/28914740/the-role-of-precisely-matching-fascicles-in-the-quick-recovery-of-nerve-function-in-long-peripheral-nerve-defects
#11
Liwei Yan, Zhi Yao, Tao Lin, Qingtang Zhu, Jian Qi, Liqiang Gu, Jintao Fang, Xiang Zhou, Xiaolin Liu
Peripheral nerve injury therapy in the clinic remains less than satisfactory. The gold standard of treatment for long peripheral nerve defects is autologous nerve grafts; however, numerous clinical complications are associated with this treatment. As tissue engineering has developed, tissue-engineered nerve grafts (TENGs) have shown potential applications as alternatives to autologous nerve grafts. To verify the important role of the biomimetic pathway of fascicle design in TENGs, we designed an animal model to study the role of the precise matching of fascicles in the effectiveness of nerve function recovery...
October 18, 2017: Neuroreport
https://www.readbyqxmd.com/read/28914583/the-deka-hand-a-multifunction-prosthetic-terminal-device-patterns-of-grip-usage-at-home
#12
Linda Resnik, Frantzy Acluche, Matthew Borgia
BACKGROUND: Research is needed to understand how upper limb prosthesis users take advantage of multiple grip options. OBJECTIVES: To quantify usage of DEKA hand grip patterns during home use and compare patterns of usage at home to test sessions. STUDY DESIGN: Observational study design. METHODS: Data were collected from 21 subjects. Engineering data on grip were downloaded at various intervals. Proportion of time in each grip was calculated for the first 4 weeks of home use, later months, and test sessions (testing use) and compared statistically across intervals...
September 1, 2017: Prosthetics and Orthotics International
https://www.readbyqxmd.com/read/28914400/an-in-vivo-study-on-endothelialized-vascular-grafts-produced-by-autologous-biotubes-and-adipose-stem-cells-adscs
#13
Yu Chieh Tseng, Jun Neng Roan, Ying Chiang Ho, Chih Chan Lin, Ming Long Yeh
Currently, commercial synthetic vascular grafts made from Dacron and ePTFE for small-diameter, vascular applications (<6 mm) show limited reendothelization and are less compliant, often resulting in thrombosis and intimal hyperplasia. Although good blood compatibility can be achieved in autologous arteries and veins, the number of high quality harvest sites is limited, and the grafts are size-mismatched for use in the fistula or cardiovascular bypass surgery; thus, alternative small graft substitutes must be developed...
September 15, 2017: Journal of Materials Science. Materials in Medicine
https://www.readbyqxmd.com/read/28914209/knee-ligament-injury-and-the-clinical-application-of-tissue-engineering-techniques-a-systematic-review
#14
Thomas Riley, Reza Mafi, Pouya Mafi, Wasim Khan
Background The incidence of knee ligament injury is increasing and represents a significant cost to healthcare providers. Current interventions include tissue grafts, suture repair and non-surgical management. These techniques have demonstrated good patient outcomes but have been associated graft rejection, infection, long term immobilization and reduced joint function. The limitations of traditional management strategies have prompted research into tissue engineering of knee ligaments. Objective This paper aims to evaluate whether tissue engineering of knee ligaments offers a viable alternative in the clinical management of knee ligament injuries...
September 15, 2017: Current Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/28914208/a-systematic-review-of-clinical-studies-investigating-mesenchymal-stem-cells-for-fracture-non-union-and-bone-defects
#15
Kieran Killington, Reza Mafi, Pouya Mafi, Wasim Khan
Fracture non-union is a significant problem with a wide demographic and massive socioeconomic elements, as well as the clinical difficulties it presents. Conventional treatments with autograft and allograft bone grafting pose serious difficulties, thus, it is necessary to develop novel techniques with our ever increasing knowledge of bioengineering using natural materials. Papers were searched from a variety of sources, not limited to English-language studies or only published papers. Papers had to meet the definition of fracture non-union or bone defect and had to be clinical trials, using human MSCs...
September 15, 2017: Current Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/28913487/perioperative-surgical-home-meeting-tomorrow-s-challenges
#16
REVIEW
Teodora O Nicolescu
New healthcare models pose a variety of changes for anesthesiologists, ranging from the need to improve quality and to cost containment: as such, the concept of Perioperative Surgical Home (PSH) has been developed. Modelled after the UK's Enhanced Recovery After Surgery (ERAS), PSH takes a step further by coordinating care starting from the time a surgical decision is made for the patient to as many as 30 days postoperatively, taking a logical evidenced-based approach to judicious preoperative testing. Perioperative surgical home also relies heavily on engineering imported strategies such as the use of Lean Six Sigma methodologies, and involves active participation of all stakeholders...
October 2016: Rom J Anaesth Intensive Care
https://www.readbyqxmd.com/read/28912891/bioengineering-of-artificial-antigen-presenting-cells-and-lymphoid-organs
#17
REVIEW
Chao Wang, Wujin Sun, Yanqi Ye, Hunter N Bomba, Zhen Gu
The immune system protects the body against a wide range of infectious diseases and cancer by leveraging the efficiency of immune cells and lymphoid organs. Over the past decade, immune cell/organ therapies based on the manipulation, infusion, and implantation of autologous or allogeneic immune cells/organs into patients have been widely tested and have made great progress in clinical applications. Despite these advances, therapy with natural immune cells or lymphoid organs is relatively expensive and time-consuming...
2017: Theranostics
https://www.readbyqxmd.com/read/28912836/methods-for-enhancing-the-reproducibility-of-biomedical-research-findings-using-electronic-health-records
#18
REVIEW
Spiros Denaxas, Kenan Direk, Arturo Gonzalez-Izquierdo, Maria Pikoula, Aylin Cakiroglu, Jason Moore, Harry Hemingway, Liam Smeeth
BACKGROUND: The ability of external investigators to reproduce published scientific findings is critical for the evaluation and validation of biomedical research by the wider community. However, a substantial proportion of health research using electronic health records (EHR), data collected and generated during clinical care, is potentially not reproducible mainly due to the fact that the implementation details of most data preprocessing, cleaning, phenotyping and analysis approaches are not systematically made available or shared...
2017: BioData Mining
https://www.readbyqxmd.com/read/28912136/tumor-resection-boosts-therapeutic-efficacy-of-encapsulated-stem-cells-expressing-a-highly-secretable-variant-of-interferon-%C3%AE-in-glioblastomas
#19
Sung Hugh Choi, Daniel W Stuckey, Sara Pignatta, Clemens Reinshagen, Jasneet K Khalsa, Nicolaas C Roozendaal, Jordi Martinez-Quintanilla, Kaoru Tamura, Erhan Keles, Khalid Shah
PURPOSE: Despite tumor resection being the frontline clinical care for glioblastoma (GBM) patients, nearly all preclinical immune therapy models intends to treat established GBM tumor. Characterizing cytoreductive surgery-induced immune-response combined with the administration of immune cytokines has the potential of offering a new treatment paradigm of immune therapy for GBMs.  Experimental design: We developed syngeneic orthotopic mouse GBM models of tumor-resection and characterized the immune response of intact and resected tumors...
September 14, 2017: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/28911805/delivery-strategies-of-the-crispr-cas9-gene-editing-system-for-therapeutic-applications
#20
REVIEW
Chang Liu, Li Zhang, Hao Liu, Kun Cheng
The CRISPR-Cas9 genome-editing system is a part of the adaptive immune system in archaea and bacteria to defend against invasive nucleic acids from phages and plasmids. The single guide RNA (sgRNA) of the system recognizes its target sequence in the genome, and the Cas9 nuclease of the system acts as a pair of scissors to cleave the double strands of DNA. Since its discovery, CRISPR-Cas9 has become the most robust platform for genome engineering in eukaryotic cells. Recently, the CRISPR-Cas9 system has triggered enormous interest in therapeutic applications...
September 11, 2017: Journal of Controlled Release: Official Journal of the Controlled Release Society
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