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https://www.readbyqxmd.com/read/29786561/impedance-based-cellular-assays-for-regenerative-medicine
#1
REVIEW
W Gamal, H Wu, I Underwood, J Jia, S Smith, P O Bagnaninchi
Therapies based on regenerative techniques have the potential to radically improve healthcare in the coming years. As a result, there is an emerging need for non-destructive and label-free technologies to assess the quality of engineered tissues and cell-based products prior to their use in the clinic. In parallel, the emerging regenerative medicine industry that aims to produce stem cells and their progeny on a large scale will benefit from moving away from existing destructive biochemical assays towards data-driven automation and control at the industrial scale...
July 5, 2018: Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences
https://www.readbyqxmd.com/read/29786560/microfabrication-of-liver-and-heart-tissues-for-drug-development
#2
REVIEW
Grace E Brown, Salman R Khetani
Drug-induced liver- and cardiotoxicity remain among the leading causes of preclinical and clinical drug attrition, marketplace drug withdrawals and black-box warnings on marketed drugs. Unfortunately, animal testing has proven to be insufficient for accurately predicting drug-induced liver- and cardiotoxicity across many drug classes, likely due to significant differences in tissue functions across species. Thus, the field of in vitro human tissue engineering has gained increasing importance over the last 10 years...
July 5, 2018: Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences
https://www.readbyqxmd.com/read/29786559/three-dimensional-bioprinting-of-stem-cell-derived-tissues-for-human-regenerative-medicine
#3
REVIEW
Gregor Skeldon, Baltasar Lucendo-Villarin, Wenmiao Shu
Stem cell technology in regenerative medicine has the potential to provide an unlimited supply of cells for drug testing, medical transplantation and academic research. In order to engineer a realistic tissue model using stem cells as an alternative to human tissue, it is essential to create artificial stem cell microenvironment or niches. Three-dimensional (3D) bioprinting is a promising tissue engineering field that offers new opportunities to precisely place stem cells within their niches layer-by-layer...
July 5, 2018: Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences
https://www.readbyqxmd.com/read/29786558/new-substrates-for-stem-cell-control
#4
REVIEW
Sara Schmidt, Annamaria Lilienkampf, Mark Bradley
The capacity to culture stem cells in a controllable, robust and scalable manner is necessary in order to develop successful strategies for the generation of cellular and tissue platforms for drug screening, toxicity testing, tissue engineering and regenerative medicine. Creating substrates that support the expansion, maintenance or directional differentiation of stem cells would greatly aid these efforts. Optimally, the substrates used should be chemically defined and synthetically scalable, allowing growth under defined, serum-free culture conditions...
July 5, 2018: Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences
https://www.readbyqxmd.com/read/29786549/pluripotent-stem-cells-induction-and-self-renewal
#5
REVIEW
R Abu-Dawud, N Graffmann, S Ferber, W Wruck, J Adjaye
Pluripotent stem cells (PSCs) lie at the heart of modern regenerative medicine due to their properties of unlimited self-renewal in vitro and their ability to differentiate into cell types representative of the three embryonic germ layers-mesoderm, ectoderm and endoderm. The derivation of induced PSCs bypasses ethical concerns associated with the use of human embryonic stem cells and also enables personalized cell-based therapies. To exploit their regenerative potential, it is essential to have a firm understanding of the molecular processes associated with their induction from somatic cells...
July 5, 2018: Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences
https://www.readbyqxmd.com/read/29786110/multi%C3%A2-layered-prevention-and-treatment-of-chronic-inflammation-organ-fibrosis-and-cancer-associated-with-canonical-wnt-%C3%AE-%C3%A2-catenin-signaling-activation-review
#6
Masaru Katoh
β‑catenin/CTNNB1 is an intracellular scaffold protein that interacts with adhesion molecules (E‑cadherin/CDH1, N‑cadherin/CDH2, VE‑cadherin/CDH5 and α‑catenins), transmembrane‑type mucins (MUC1/CD227 and MUC16/CA125), signaling regulators (APC, AXIN1, AXIN2 and NHERF1/EBP50) and epigenetic or transcriptional regulators (BCL9, BCL9L, CREBBP/CBP, EP300/p300, FOXM1, MED12, SMARCA4/BRG1 and TCF/LEF). Gain‑of‑function CTTNB1 mutations are detected in bladder cancer, colorectal cancer, gastric cancer, liver cancer, lung cancer, pancreatic cancer, prostate cancer and uterine cancer, whereas loss‑of‑function CTNNB1 mutations are also detected in human cancer...
May 17, 2018: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/29785774/thymol-thyme-and-other-plant-sources-health-and-potential-uses
#7
REVIEW
Bahare Salehi, Abhay Prakash Mishra, Ila Shukla, Mehdi Sharifi-Rad, María Del Mar Contreras, Antonio Segura-Carretero, Hannane Fathi, Nafiseh Nasri Nasrabadi, Farzad Kobarfard, Javad Sharifi-Rad
Thymol is a naturally occurring phenol monoterpene derivative of cymene and isomer of carvacrol. Thymol (10-64%) is one of the major constituent of essential oils of thyme (Thymus vulgaris L., Lamiaceae), a medicinal plant with several therapeutic properties. This plant, native to Mediterranean regions, is commonly used as a culinary herb and also with a long history of use for different medicinal purposes. Nowadays, thymol and thyme present a wide range of functional possibilities in pharmacy, food, and cosmetic industry...
May 22, 2018: Phytotherapy Research: PTR
https://www.readbyqxmd.com/read/29785715/current-advances-in-screening-for-bioactive-components-from-medicinal-plants-by-affinity-ultrafiltration-mass-spectrometry
#8
Guilin Chen, Bill X Huang, Mingquan Guo
INTRODUCTION: Medicinal plants have played an important role in maintaining human health for thousands of years. However, the interactions between the active components in medicinal plants and some certain biological targets during a disease are still unclear in most cases. OBJECTIVE: To conduct the high-throughput screening for small active molecules that can interact with biological targets, which is of great theoretical significance and practical value. METHODOLOGY: The ultrafiltration mass spectrometry (UF-LC/MS) is a powerful bio-analytical method by combining affinity ultrafiltration and liquid chromatography-mass spectrometry (LC/MS), which could rapidly screen and identify small active molecules that bind to biological targets of interest at the same time...
May 21, 2018: Phytochemical Analysis: PCA
https://www.readbyqxmd.com/read/29785118/traditional-chinese-medicine-astragalus-polysaccharide-enhanced-antitumor-effects-of-the-angiogenesis-inhibitor-apatinib-in-pancreatic-cancer-cells-on-proliferation-invasiveness-and-apoptosis
#9
Jun Wu, Jing Wang, Qiang Su, Wei Ding, Teng Li, Junxian Yu, Bangwei Cao
Background: Traditional chemotherapy and molecular targeted therapy have shown modest effects on the survival of patients with pancreatic cancer. The current study aimed to investigate the antitumor effects of apatinib, Astragalus polysaccharide (APS), and the combination of both the drugs in pancreatic cancer cells and further explore the molecular mechanisms in vitro. Materials and methods: Expression of vascular endothelial growth factor receptor-2 (VEGFR-2) in human pancreatic cancer cell lines ASPC-1, PANC-1, and SW1990 was detected by Western blotting...
2018: OncoTargets and Therapy
https://www.readbyqxmd.com/read/29784973/significance-of-prohibitin-domain-family-in-tumorigenesis-and-its-implication-in-cancer-diagnosis-and-treatment
#10
Jie Yang, Bin Li, Qing-Yu He
Prohibitin (PHB) was originally isolated and characterized as an anti-proliferative gene in rat liver. The evolutionarily conserved PHB gene encodes two human protein isoforms with molecular weights of ~33 kDa, PHB1 and PHB2. PHB1 and PHB2 belong to the prohibitin domain family, and both are widely distributed in different cellular compartments such as the mitochondria, nucleus, and cell membrane. Most studies have confirmed differential expression of PHB1 and PHB2 in cancers compared to corresponding normal tissues...
May 21, 2018: Cell Death & Disease
https://www.readbyqxmd.com/read/29784788/mistimed-food-intake-and-sleep-alters-24-hour-time-of-day-patterns-of-the-human-plasma-proteome
#11
Christopher M Depner, Edward L Melanson, Andrew W McHill, Kenneth P Wright
Proteomics holds great promise for understanding human physiology, developing health biomarkers, and precision medicine. However, how much the plasma proteome varies with time of day and is regulated by the master circadian suprachiasmatic nucleus brain clock, assessed here by the melatonin rhythm, is largely unknown. Here, we assessed 24-h time-of-day patterns of human plasma proteins in six healthy men during daytime food intake and nighttime sleep in phase with the endogenous circadian clock (i.e., circadian alignment) versus daytime sleep and nighttime food intake out of phase with the endogenous circadian clock (i...
May 21, 2018: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/29784728/cyp2d6-allelic-variants-34-17-2-17-3-and-53-and-a-thr309ala-mutant-display-altered-kinetics-and-nadph-coupling-in-metabolism-of-bufuralol-and-dextromethorphan-and-altered-susceptibility-to-inactivation-by-sch-66712
#12
Sarah M Glass, Cydney M Martell, Alexandria K Oswalt, Victoria Osorio-Vasquez, Christi Cho, Michael J Hicks, Jacqueline M Mills, Rina Fujiwara, Michael J Glista, Sharat S Kamath, Laura Lowe Furge
Metabolic phenotype can be affected by multiple factors including allelic variation and interactions with inhibitors. Human CYP2D6 is responsible for approximately 20% of CYP-mediated drug metabolism but consists of over 100 known variants with several variants being commonly found in the population and others quite rare. Four CYP2D6 allelic variants - three with a series of mutations distal to the active site (*34, *17-2, *17-3) and one ultra-metabolizer with mutations near the active site (*53), along with reference *1 and an active site mutant of *1 (Thr309Ala) were expressed, purified, and studied for interactions with the typical substrates dextromethorphan and bufuralol and the inactivator SCH 66712...
May 21, 2018: Drug Metabolism and Disposition: the Biological Fate of Chemicals
https://www.readbyqxmd.com/read/29784639/tyrosine-kinase-inhibitor-induced-defects-in-dna-repair-sensitize-flt3-itd-positive-leukemia-cells-to-parp1-inhibitors
#13
Silvia Maifrede, Margaret Nieborowska-Skorska, Katherine Sullivan, Yashodhara Dasgupta, Paulina Podszywalow-Bartnicka, Bac Viet Le, Martyna Solecka, Zhaorui Lian, Elizaveta A Belyaeva, Alina Nersesyan, Marcin M Machnicki, Monika Toma, Nicolas Chatain, Malgorzata Rydzanicz, Huaqing Zhao, Jaroslav Jelinek, Katarzyna Piwocka, Tomasz Sliwinski, Tomasz Stoklosa, Rafal Ploski, Thomas Fischer, Stephen M Sykes, Steffen Koschmieder, Lars Bullinger, Peter Valent, Mariusz Wasik, Jian Huang, Tomasz Skorski
Mutations in the FMS-like tyrosine-kinase 3 (FLT3) such as internal tandem duplications (ITD) can be found in up to 23% of patients with acute myeloid leukemia (AML) and confer a poor prognosis. Current treatment options for FLT3(ITD)-positive AMLs include genotoxic therapy and FLT3 inhibitors (FLT3i), which are rarely curative. PARP1 inhibitors (PARP1i) have been successfully applied to induce synthetic lethality in tumors harboring BRCA1/2 mutations and displaying homologous recombination (HR) deficiency...
May 21, 2018: Blood
https://www.readbyqxmd.com/read/29784570/research-gaps-in-wilderness-medicine
#14
Daniel Tritz, Kody Dormire, Travis Brachtenbach, Joshua Gordon, Donald Sanders, David Gearheart, Julia Crawford, Matt Vassar
INTRODUCTION: Wilderness medicine involves the treatment of individuals in remote, austere environments. Given the high potential for injuries as well as the unique treatment modalities required in wilderness medicine, evidence-based clinical practice guidelines are necessary to provide optimal care. In this study, we identify evidence gaps from low-quality recommendations in wilderness medicine clinical practice guidelines and identify new/ongoing research addressing them. METHODS: We included relevant clinical practice guidelines from the Wilderness Medical Society and obtained all 1C or 2C level recommendations...
May 18, 2018: Wilderness & Environmental Medicine
https://www.readbyqxmd.com/read/29784537/artificial-intelligence-a-joint-narrative-on-potential-use-in-pediatric-stem-and-immune-cell-therapies-and-regenerative-medicine
#15
REVIEW
Irena Sniecinski, Jerard Seghatchian
Artificial Intelligence (AI) reflects the intelligence exhibited by machines and software. It is a highly desirable academic field of many current fields of studies. Leading AI researchers describe the field as "the study and design of intelligent agents". McCarthy invented this term in 1955 and defined it as "the science and engineering of making intelligent machines". The central goals of AI research are reasoning, knowledge, planning, learning, natural language processing (communication), perception and the ability to move and manipulate objects...
May 9, 2018: Transfusion and Apheresis Science
https://www.readbyqxmd.com/read/29784011/extremely-low-frequency-electromagnetic-fields-promote-mesenchymal-stem-cell-migration-by-increasing-intracellular-ca-2-and-activating-the-fak-rho-gtpases-signaling-pathways-in-vitro
#16
Yingchi Zhang, Jiyuan Yan, Haoran Xu, Yong Yang, Wenkai Li, Hua Wu, Chaoxu Liu
BACKGROUND: The ability of mesenchymal stem cells (MSCs) to migrate to the desired tissues or lesions is crucial for stem cell-based regenerative medicine and tissue engineering. Optimal therapeutics for promoting MSC migration are expected to become an effective means for tissue regeneration. Electromagnetic fields (EMF), as a noninvasive therapy, can cause a lot of biological changes in MSCs. However, whether EMF can promote MSC migration has not yet been reported. METHODS: We evaluated the effects of EMF on cell migration in human bone marrow-derived MSCs...
May 21, 2018: Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/29784006/secure-corridor-for-infraacetabular-screws-in-acetabular-fracture-fixation-a-3-d-radiomorphometric-analysis-of-124-pelvic-ct-datasets
#17
Stephan Arlt, Hansrudi Noser, Andreas Wienke, Florian Radetzki, Gunther Olaf Hofmann, Thomas Mendel
BACKGROUND: Acetabular fracture surgery is directed toward anatomical reduction and stable fixation to allow for the early functional rehabilitation of an injured hip joint. Recent biomechanical investigations have shown the superiority of using an additional screw in the infraacetabular (IA) region, thereby transfixing the separated columns to strengthen the construct by closing the periacetabular fixation frame. However, the inter-individual existence and variance concerning secure IA screw corridors are poorly understood...
May 21, 2018: Journal of Orthopaedic Surgery and Research
https://www.readbyqxmd.com/read/29783993/cirsimaritin-inhibits-influenza-a-virus-replication-by-downregulating-the-nf-%C3%AE%C2%BAb-signal-transduction-pathway
#18
Haiyan Yan, Huiqiang Wang, Linlin Ma, Xueping Ma, Jinqiu Yin, Shuo Wu, Hua Huang, Yuhuan Li
BACKGROUND: Artemisia scoparia Waldst and Kit is a famous traditional Chinese medicine widely distributed in Xinjiang, China. Flavonoids extracted from it exhibits inhibitory activities against several influenza virus strains. Despite this fact, the antiviral properties of CST, one of such flavonoids, against the influenza virus has not been reported. Thus, the aim of this study is to investigate the anti-influenza virus efficacy and antiviral mechanism of CST. METHODS: The inhibitory activity of CST against influenza viruses was assessed by using viral titers and performing Western blot, qRT-PCR, and immunofluorescence assays in Madin-Darby canine kidney (MDCK) cells and a human monocytic cell line (THP-1)...
May 21, 2018: Virology Journal
https://www.readbyqxmd.com/read/29783934/the-impact-of-pharmacokinetic-gene-profiles-across-human-cancers
#19
Michael T Zimmermann, Terry M Therneau, Jean-Pierre A Kocher
BACKGROUND: The right drug to the right patient at the right time is one of the ideals of Individualized Medicine (IM) and remains one of the most compelling promises of the post-genomic age. The addition of genomic information is expected to increase the precision of an individual patient's treatment, resulting in improved outcomes. While pilot studies have been encouraging, key aspects of interpreting tumor genomics information, such as somatic activation of drug transport or metabolism, have not been systematically evaluated...
May 21, 2018: BMC Cancer
https://www.readbyqxmd.com/read/29783752/pro-apoptotic-and-anti-cancer-properties-of-diosgenin-a-comprehensive-and-critical-review
#20
REVIEW
Gautam Sethi, Muthu K Shanmugam, Sudha Warrier, Myriam Merarchi, Frank Arfuso, Alan Prem Kumar, Anupam Bishayee
Novel and alternative options are being adopted to combat the initiation and progression of human cancers. One of the approaches is the use of molecules isolated from traditional medicinal herbs, edible dietary plants and seeds that play a pivotal role in the prevention/treatment of cancer, either alone or in combination with existing chemotherapeutic agents. Compounds that modulate these oncogenic processes are potential candidates for cancer therapy and may eventually make it to clinical applications. Diosgenin is a naturally occurring steroidal sapogenin and is one of the major bioactive compounds found in dietary fenugreek ( Trigonella foenum-graecum ) seeds...
May 19, 2018: Nutrients
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