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https://www.readbyqxmd.com/read/28714206/efficacy-of-ultrasound-and-nerve-stimulation-guidance-in-peripheral-nerve-block-a-systematic-review-and-meta-analysis
#1
Zhi-Xue Wang, De-Li Zhang, Xin-Wei Liu, Yan Li, Xiao-Xia Zhang, Ru-Hong Li
Evidence was controversial about whether nerve stimulation (NS) can optimize ultrasound guidance (US)-guided nerve blockade for peripheral nerve block. This review aims to explore the effects of the two combined techniques. We searched EMBASE (from 1974 to March 2015), PubMed (from 1966 to Mar 2015), Medline (from 1966 to Mar 2015), the Cochrane Central Register of Controlled Trials and clinicaltrials.gov. Finally, 15 randomized trials were included into analysis involving 1,019 lower limb and 696 upper limb surgery cases...
July 16, 2017: IUBMB Life
https://www.readbyqxmd.com/read/28695656/anatolian-honey-is-not-only-sweet-but-can-also-protect-from-breast-cancer-elixir-for-women-from-artemis-to-present
#2
Mehmet Fatih Seyhan, Eren Yılmaz, Özlem Timirci-Kahraman, Neslihan Saygılı, Halil İbrahim Kısakesen, Allison Pınar Eronat, Ayşe Begüm Ceviz, Sema Bilgiç Gazioğlu, Hülya Yılmaz-Aydoğan, Oğuz Öztürk
Natural products with bioactive components are widely studied on various cancer cell lines for their possible cytotoxic effects, recently. Among these products, honey stands out as a valuable bee product containing many active phenolic compounds and flavonoids. Numerous types of multifloral honey and honeydew honey are produced in Turkey owing to its abundant vegetation. Therefore, in this study, we investigated the cytotoxic effects of particular tree-originated honeys from chestnut, cedar, pine, and multifloral honey on cell lines representing different types of the most common cancer of women, breast cancer, MCF7, SKBR3, and MDAMB-231, and fibrocystic breast epithelial cell line, MCF10A as a control...
July 10, 2017: IUBMB Life
https://www.readbyqxmd.com/read/28691208/transcriptomic-profile-analysis-of-mouse-neural-tube-development-by-rna-seq
#3
Juan Yu, Jianbing Mu, Qian Guo, Lihong Yang, Juan Zhang, Zhizhen Liu, Baofeng Yu, Ting Zhang, Jun Xie
The neural tube is the primordium of the central nervous system (CNS) in which its development is not entirely clear. Understanding the cellular and molecular basis of neural tube development could, therefore, provide vital clues to the mechanism of neural tube defects (NTDs). Here, we investigated the gene expression profiles of three different time points (embryonic day (E) 8.5, 9.5 and 10.5) of mouse neural tube by using RNA-seq approach. About 391 differentially expressed genes (DEGs) were screened during mouse neural tube development, including 45 DEGs involved in CNS development, among which Bmp2, Ascl1, Olig2, Lhx1, Wnt7b and Eomes might play the important roles...
July 10, 2017: IUBMB Life
https://www.readbyqxmd.com/read/28686797/asiatic-acid-enhances-survival-of-human-ac16-cardiomyocytes-under-hypoxia-by-upregulating-mir-1290
#4
Kai Wu, Min Hu, Zejin Chen, Feixiang Xiang, Guojian Chen, Weihong Yan, Qing Peng, Xiaoping Chen
Asiatic acid (AA) could attenuate ischemia/reperfusion induced myocardial apoptosis through upregulating the Akt/GSK-3β/HIF-1α pathway. HIF-3α is a negative regulator of HIF-1α, whose mRNA is a potential target of miR-1290. AA could upregulate miR-1290 in non-small-cell lung cancer A549 cells. This work aimed to investigate whether AA could inhibit hypoxia induced cardiomyocyte apoptosis through regulating the miR-1290/HIF3A/HIF-1α axis. The AC16 human myocardial cell line cultured under normoxic or hypoxic conditions was treated with various doses of AA for 24 h...
July 7, 2017: IUBMB Life
https://www.readbyqxmd.com/read/28685937/neuroimmunomodulatory-properties-of-dpscs-in-an-in-vitro-model-of-parkinson-s-disease
#5
Nareshwaran Gnanasegaran, Vijayendran Govindasamy, Vasudevan Mani, Noor Hayaty Abu Kasim
In neurodegenerative diseases, such as Alzheimer's and Parkinson's, microglial cell activation is thought to contribute to their degeneration by producing neurotoxic compounds. While dental pulp stem cells (DPSCs) have been regarded as the next possible cell source for cell replacement therapy (CRT), their actual role when exposed in such harsh environment remains elusive. In this study, the immunomodulatory behavior of DPSCs from human subjects was investigated in a coculture system consisting of neuron and microglia which were treated with 1-methyl-4-phenyl-1, 2, 3, 6-tetrahydropyridine, which mimics the inflammatory conditions and contribute to degeneration of dopaminergic (DA-ergic) neurons...
July 6, 2017: IUBMB Life
https://www.readbyqxmd.com/read/28681503/gene-cloning-characterization-and-cytotoxic-activity-of-methionine-%C3%AE-lyase-from-clostridium-novyi
#6
Vitalia V Kulikova, Elena A Morozova, Svetlana V Revtovich, Mikhail I Kotlov, Natalya V Anufrieva, Natalya P Bazhulina, Samanta Raboni, Serena Faggiano, Edi Gabellieri, Patrizia Cioni, Yury F Belyi, Andrea Mozzarelli, Tatyana V Demidkina
The exploitation of methionine-depleting enzyme methionine γ-lyase (MGL) is a promising strategy against specific cancer cells that are strongly dependent on methionine. To identify MGL from different sources with high catalytic activity and efficient anticancer action, we have expressed and characterized MGL from Clostridium novyi and compared its catalytic efficiency with the previously studied MGL from Citrobacter freundii. The purified recombinant MGL exhibits kcat and kcat /Km for methionine γ-elimination reaction that are 2...
July 6, 2017: IUBMB Life
https://www.readbyqxmd.com/read/28653367/significance-of-l-carnitine-for-human-health
#7
REVIEW
María M Adeva-Andany, Isabel Calvo-Castro, Carlos Fernández-Fernández, Cristóbal Donapetry-García, Ana María Pedre-Piñeiro
Carnitine acyltransferases catalyze the reversible transfer of acyl groups from acyl-coenzyme A esters to l-carnitine, forming acyl-carnitine esters that may be transported across cell membranes. l-Carnitine is a wáter-soluble compound that humans may obtain both by food ingestion and endogenous synthesis from trimethyl-lysine. Most l-carnitine is intracellular, being present predominantly in liver, skeletal muscle, heart and kidney. The organic cation transporter-2 facilitates l-carnitine uptake inside cells...
June 26, 2017: IUBMB Life
https://www.readbyqxmd.com/read/28636236/assessment-of-silibinin-as-a-potential-antifungal-agent-and-investigation-of-its-mechanism-of-action
#8
Dae Gyu Yun, Dong Gun Lee
Silibinin, which is derived from Silybum marianum (milk thistle), has used as a traditional remedy for liver or biliary disorders and known to have superior antioxidant activity. In addition, silibinin was recently reported to have antifungal effect related to fungal apoptosis against Candida albicans and the interest in the therapeutic effect is increasing. In this study, we found another mode of antifungal action of silibinin and its antibiofilm activity on C. albicans. To investigate influence on fungal plasma membrane, propidium iodide and bis-(1, 3-dibutylbarbituric acid) trimethineoxonol [DiBAC4 (3)] assay were primarily carried out...
June 21, 2017: IUBMB Life
https://www.readbyqxmd.com/read/28636149/photocatalytic-interaction-of-aminophylline-riboflavin-leads-to-ros-mediated-dna-damage-and-cell-death-a-novel-phototherapeutic-mechanism-for-cancer
#9
Saniyya Khan, Imrana Naseem
The accompanied tissue devastation and systemic toxicity of chemotherapy has shifted the quest for having an effective and palliative cancer therapy towards photodynamic therapy (PDT). Riboflavin (Rf), an essential micronutrient is emerging as a potent tool of PDT, due to its excellent photosensitizing properties. It can be used as an efficient adjuvant for various anticancer drugs. The hemolytic and proteolytic effect of photoilluminated aminophylline (Am), a xanthine derivative, and Rf is well documented in literature...
June 21, 2017: IUBMB Life
https://www.readbyqxmd.com/read/28631887/thymic-stromal-lymphopoietin-is-expressed-in-human-corneal-stromal-cells-and-secreted-upon-protease-activated-receptor-1-activation
#10
Hongbo Yin, Yan Tian, Rongying Luo, Yingping Deng
Thymic stromal lymphopoietin (TSLP) is an interleukin-7 (IL-7) like cytokine that triggers inflammatory responses through activating dendritic cell. It is demonstrated to be involved in a number of disorders, including cancer, gastrointestinal diseases, and autoimmune diseases. In addition, TSLP is also found to be able to induce itch sensation by directly activating the itch sensory neurons. The expression of human TSLP is detected in various tissues such as heart, liver, testis, and prostate. In this study, we report that TSLP was expressed in the human corneal stromal cells, the highly specialized cells that are critical for the function of the cornea...
June 20, 2017: IUBMB Life
https://www.readbyqxmd.com/read/28631886/nlrp3-expression-and-urinary-hsp72-in-relation-to-biomarkers-of-inflammation-and-oxidative-stress-in-diabetic-nephropathy-patients
#11
Hemat El-Sayed El-Horany, Rania Nagi Abd-Ellatif, Mona Watany, Yasser M Hafez, Hanaa Ibrahim Okda
Diabetic nephropathy (DN) is one of the major causes of end-stage renal disease. Nod-like receptors nucleotide-binding domain and leucine-rich repeat pyrin-3 domain (NLRP3) inflammasome displays a considerable role in the chronic inflammatory state observed in diabetic patients. Urinary heat shock protein 72 (uHSP72) is a sensitive and specific biomarker for the early detection of acute kidney injury. The aim of this study was to evaluate NLRP3 relative gene expression, its correlation with inflammatory and oxidative stress markers, and to assess the value of uHSP72 in the early detection of DN in type 2 diabetic patients with different degrees of DN...
June 20, 2017: IUBMB Life
https://www.readbyqxmd.com/read/28589695/effect-of-orally-administered-zinc-oxide-nanoparticles-on-albino-rat-thymus-and-spleen
#12
Marwa A Abass, Sally A Selim, Assmaa O Selim, Amal S El-Shal, Zienab A Gouda
This study aimed to evaluate the toxicological effects of oral intake of Zinc oxide nanoparticles (ZnO NPs) on the structure of thymus and spleen. Twenty-four young male Wistar albino rats were assigned into two groups: group I (control) and group II (ZnO NPs treated group).The thymus and spleen were analyzed biochemically, histopathologically and immunohistochemically. After ZnO NPs intake, hematologically, the total leucocytic count was significantly increased while the RBCs and platelets counts and Hb % were significantly decreased...
June 6, 2017: IUBMB Life
https://www.readbyqxmd.com/read/28524360/lamc1-mrna-promotes-malignancy-of-hepatocellular-carcinoma-cells-by-competing-for-microrna-124-binding-with-cd151
#13
Zhan-Po Yang, Hong-Shun Ma, Shu-Sen Wang, Le Wang, Tao Liu
Specific RNAs can function as sinks for endogenous miRNAs, known as competing endogenous RNAs (ceRNAs). Here, we confirm a miR-124 mediated ceRNA crosstalk between LAMC1 and CD151 in hepatocellular carcinoma (HCC). miR-124 negatively regulates LAMC1 expression through two miRNA binding sites within its 3' untranslated region (3'UTR) and suppresses migration and invasion of HCC cells through regulating LAMC1. The wild type LAMC1 miRNA response elements (MREs) facilitate expression of CD151, and this regulation is miR-124 dependent...
May 19, 2017: IUBMB Life
https://www.readbyqxmd.com/read/28517363/cleave-but-not-leave-astrotactin-proteins-in-development-and-disease
#14
REVIEW
Hao Chang
Over the years, animal studies have identified astrotactins as important membrane proteins for glial-guided neuronal migration during central nervous system development and hair follicle polarity control during skin development. Biochemical studies have revealed intramembrane proteolysis as an important feature of astrotactins. The two fragments of astrotactins remain linked together by a disulfide bond after the proteolytic cleavage. In humans, mutations in astrotactin genes have also been linked to a wide range of diseases, including several developmental brain disorders, neurodegenerative diseases and cancer...
May 18, 2017: IUBMB Life
https://www.readbyqxmd.com/read/28500689/blockade-of-hedgehog-pathway-is-required-for-the-protective-effects-of-magnesium-isoglycyrrhizinate-against-ethanol-induced-hepatocyte-steatosis-and-apoptosis
#15
Chunfeng Lu, Wenxuan Xu, Jiangjuan Shao, Feng Zhang, Anping Chen, Shizhong Zheng
Alcoholic liver disease (ALD), characterized by excessive deposition of lipids in hepatocytes, causes heavy health burden personally and socially. Mechanistically, hedgehog signaling was activated during the development of ALD, and exerted compelling role in regulating lipometabolism. The current promising intervention strategy is inhibition of lipid accumulation and apoptosis in hepatocytes. Magnesium isoglycyrrhizinate (MgIG) has been widely used in various liver diseases for its good hepatoprotective activities...
May 12, 2017: IUBMB Life
https://www.readbyqxmd.com/read/28497559/macromolecular-structures-quality-assessment-and-biological-interpretation
#16
REVIEW
Dinakar M Salunke, Deepak T Nair
Structure determination using X-ray crystallography involves collection of diffraction data, determination of initial phases followed by iterative rounds of model building and crystallographic refinement to improve the phases and minimize the differences between calculated and observed structure factors. At each of these stages, a variety of statistical filters exist to ensure appropriate validation. Biologically important observations often come from interpretations of signals that need to be carefully deciphered from noise, and therefore human intervention is as important as the automated methods and filters...
May 11, 2017: IUBMB Life
https://www.readbyqxmd.com/read/28480557/molecular-regulation-of-cellular-iron-balance
#17
REVIEW
Stefania Recalcati, Elena Gammella, Paolo Buratti, Gaetano Cairo
Handling a life-supporting yet redox-active metal like iron represents a significant challenge to cells and organisms that must not only tightly balance intra- and extracellular iron concentrations but also chaperone it during its journey from its point of entry to final destinations, to prevent inappropriate generation of damaging reactive oxygen species. Accordingly, regulatory mechanisms have been developed to maintain appropriate cellular and body iron levels. In intracellular compartments, about 95% of iron is protein-bound and the expression of the major proteins of iron metabolism is controlled by an integrated and dynamic system involving multilayered levels of regulation...
May 7, 2017: IUBMB Life
https://www.readbyqxmd.com/read/28474494/a-putative-association-of-interleukin-10-promoter-polymorphisms-with-cardiovascular-disease
#18
Shams Tabrez, Murtaza Ali, Nasimudeen R Jabir, Chelapram K Firoz, Ghulam Md Ashraf, Salwa Hindawi, Ghazi A Damanhouri, Mohammed Nabil Alama
Interleukin-10 (IL-10) is an anti inflammatory cytokine involved in the ongoing coronary inflammation and related patho-physiological processes. The piece of work presented herein is aimed at investigating possible association of polymorphisms in IL-10 promoter with Saudi cardiovascular disease (CVD) patients. The study included 80 confirmed CVD patients with diabetes and 75 healthy control individuals both men and women. Concentration of IL-10 in the serum samples were measured by ELISA method. For single nucleotide polymorphism (SNP) analysis, Sanger method of DNA sequencing was followed...
May 5, 2017: IUBMB Life
https://www.readbyqxmd.com/read/28474474/iron-metabolism-and-the-inflammatory-response
#19
Ana C Martins, Joana I Almeida, Illyane S Lima, Antonino S Kapitão, Raffaella Gozzelino
Iron (Fe) is essential to almost all organisms, as required by cells to satisfy metabolic needs and accomplish specialized functions. Its ability to exchange electrons between different substrates, however, renders it potentially toxic. Fine tune-mechanisms are necessary to maintain Fe homeostasis and, as such, to prevent its participation into the Fenton reaction and generation of oxidative stress. These are particularly important in the context of inflammation/infection, where restricting Fe availability to invading pathogens is one, if not, the main host defense strategy against microbial growth...
May 5, 2017: IUBMB Life
https://www.readbyqxmd.com/read/28470848/iron-catalysis-at-the-origin-of-life
#20
Eloi Camprubi, Sean F Jordan, Rafaela Vasiliadou, Nick Lane
Iron-sulphur proteins are ancient and drive fundamental processes in cells, notably electron transfer and CO2 fixation. Iron-sulphur minerals with equivalent structures could have played a key role in the origin of life. However, the 'iron-sulphur world' hypothesis has had a mixed reception, with questions raised especially about the feasibility of a pyrites-pulled reverse Krebs cycle. Phylogenetics suggests that the earliest cells drove carbon and energy metabolism via the acetyl CoA pathway, which is also replete in Fe(Ni)S proteins...
May 3, 2017: IUBMB Life
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