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https://www.readbyqxmd.com/read/29236393/validation-of-biological-activity-testing-procedure-of-recombinant-human-interleukin-7
#1
T N Lutsenko, M V Kovalenko, O Yu Galkin
Validation procedure for method of monitoring the biological activity of reсombinant human interleukin-7 has been developed and conducted according to the requirements of national and international recommendations. This method is based on the ability of recombinant human interleukin-7 to induce proliferation of T lymphocytes. It has been shown that to control the biological activity of recombinant human interleukin-7 peripheral blood mononuclear cells (PBMCs) derived from blood or cell lines can be used. Validation charac­teristics that should be determined depend on the method, type of product or object test/measurement and biological test systems used in research...
January 2017: Ukrainian Biochemical Journal
https://www.readbyqxmd.com/read/29236392/effect-of-preparations-methyure-and-ivine-on-%C3%B0-%C3%B0-2-atpases-activity-in-plasma-and-vacuolar-membrane-of-corn-seedling-roots-under-salt-stress-conditions
#2
M V Rudnytska, T A Palladina
Ca2+-ATPases regulate the functioning of Ca2+-dependent signaling pathway SOS which provides removal of Na+ from the cytoplasm of cells via Na+/H+-antiporters in saline conditions. The influence of synthetic preparations Methyure and Ivine on the Ca2+-ATPase activity was investigated. It was shown that exposition of corn seedlings in the presence of 0.1 M NaCl rather enhanced hydrolytic than transport activity of Ca2+-ATPases in plasma and vacuolar membrane of root cells. It was found that seed treatment with such preparations, especially Methyure, caused intensification of the both activities of Ca2+-ATPases, mainly in vacuolar membrane...
January 2017: Ukrainian Biochemical Journal
https://www.readbyqxmd.com/read/29236388/inhibition-of-ire1-modifies-hypoxic-regulation-of-g6pd-gpi-tkt-taldo1-pgls-and-rpia-genes-expression-in-u87-glioma-cells
#3
O H Minchenko, I A Garmash, D O Minchenko, A Y Kuznetsova, O O Ratushna
We have studied the effect of hypoxia on the expression level of mRNA of the basic enzymes of pentose-phosphate cycle (G6PD, TKT, TALDO1, PGLS and RPIA) and glucose-6-phosphate isomerase (GPI) in U87 glioma cells in relation to inhibition of IRE1 (inositol requiring enzyme 1). It was shown that hypoxia leads to up-regulation of the expression of GPI and PGLS genes and to down-regulation of TALDO1 and RPIA genes in control glioma cells. Changes for GPI gene were more significant than for other genes. At the same time, inhibition of IRE1 modified the effect of hypoxia on the expression of all studied genes...
January 2017: Ukrainian Biochemical Journal
https://www.readbyqxmd.com/read/29236364/intraflagellar-transporter-protein-140-ift140-a-component-of-ift-a-complex-is-essential-for-male-fertility-and-spermiogenesis-in-mice
#4
Yong Zhang, Hong Liu, Wei Li, Zhengang Zhang, Shiyang Zhang, Maria E Teves, Courtney Stevens, James A Foster, Gregory E Campbell, Jolene J Windle, Rex A Hess, Gregory J Pazour, Zhibing Zhang
Intraflagellar transport (IFT) is a conserved mechanism essential for the assembly and maintenance of most eukaryotic cilia and flagella. However, little is known about its role in sperm flagella formation and male fertility. IFT140 is a component of IFT-A complex. In mouse, it is highly expressed in the testis. Ift140 gene was inactivated specifically in mouse spermatocytes/spermatids. The mutant mice did not show any gross abnormalities, but all were infertile associated with significantly reduced sperm number and motility...
December 13, 2017: Cytoskeleton
https://www.readbyqxmd.com/read/29236358/in-vivo-imaging-the-motility-of-monocyte-macrophage-during-inflammation-in-diabetic-mice
#5
Rui Shi, Wei Feng, Chao Zhang, Tingting Yu, Zhan Fan, Zheng Liu, Zhihong Zhang, Dan Zhu
Diabetes, as a chronic metabolic disease, can impair the immune function of monocytes/macrophages (MMs). However, it is unclear how MMs immune response to inflammation with the development of diabetes, and whether immune response around the inflammatory foci depends on the depth in tissue. Footpad provides a classical physiological site for monitoring cellular behavior during inflammation, but limited to the superficial dermis due to the strong scattering of footpad. Herein, we used confocal microscopy to monitor the motility of MMs in deeper tissue around inflammatory foci with the development of type 1 diabetic (T1D) mice through a swithable footpad skin optical clearing window...
December 13, 2017: Journal of Biophotonics
https://www.readbyqxmd.com/read/29236356/proteomics-in-pathology
#6
Rémi Longuespée, Rita Casadonte, Kristina Schwamborn, David Reuss, Daniel Kazdal, Katharina Kriegsmann, Andreas von Deimling, Wilko Weichert, Peter Schirmacher, Jörg Kriegsmann, Mark Kriegsmann
Proteomic approaches are of growing importance in the biologist's toolbox. It greatly benefited from past and recent advances in sampling, chemical processing, mass spectrometry (MS) instrumentation and data processing. MS-based analysis of proteins is now on the process to be translated in pathology for objective diagnoses. In this viewpoint we present the workflows that we think are the most promising for applications in pathology. We also comment what we think are prerequisites for a successful translational implementation...
December 13, 2017: Proteomics
https://www.readbyqxmd.com/read/29236354/how-comprehensive-are-research-studies-investigating-the-efficacy-of-technology-enhanced-learning-resources-in-anatomy-education-a-systematic-review
#7
REVIEW
Lauren Clunie, Neil P Morris, Viktoria C T Joynes, James D Pickering
Anatomy education is at the forefront of integrating innovative technologies into its curricula. However, despite this rise in technology numerous authors have commented on the shortfall in efficacy studies to assess the impact such technology-enhanced learning (TEL) resources have on learning. To assess the range of evaluation approaches to TEL across anatomy education, a systematic review was conducted using MEDLINE, the Educational Resources Information Centre (ERIC), Scopus, and Google Scholar, with a total of 3,345 articles retrieved...
December 13, 2017: Anatomical Sciences Education
https://www.readbyqxmd.com/read/29236347/the-full-blood-count-as-an-ancillary-test-to-support-the-diagnosis-of-giant-cell-arteritis
#8
Lawrence J Oh, Eugene Wong, Juliana Andrici, Peter McCluskey, James E H Smith, Anthony J Gill
BACKGROUND: Temporal artery biopsy is considered the investigation of choice to definitively diagnose giant cell arteritis in patients with compatible symptoms. However it is invasive and not completely sensitive. Serum markers, particularly ESR, can be supportive but are not definitive in individual cases. AIMS: We sought to investigate whether indices derived from the full blood count including neutrophil-to-lymphocyte ratio (NLR) and platelet-to-lymphocyte ratio (PLR), were associated with a positive biopsy in patients with suspected giant cell arteritis...
December 13, 2017: Internal Medicine Journal
https://www.readbyqxmd.com/read/29236333/effect-and-mechanism-of-lncrna-hotair-on-occurrence-and-development-of-gastric-cancer
#9
Xuan Feng, Suiping Huang
OBJECTIVE: In this study, we aimed at looking for the lncRNA abnormally expressed in gastric cancer (GC) tissues, and analyzing the association of its expression level with the clinicopathological feature and patient prognosis. The biological function of this lncRNA in occurrence and development of GC was studied in vivo and in vitro. The underlying molecular mechanism was further discussed. METHODS: We investigated the lncRNA expression level in GC tissues and normal gastric mucosa tissues by lncRNA chips analysis...
December 13, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/29236330/exploring-the-usefulness-of-key-green-physicochemical-properties-quantitative-structure-activity-relationship-qsar-for-solvents-from-biomass
#10
Estefanía Zuriaga, Beatriz Giner, María Pilar Ribate, Cristina B García, Laura Lomba
During the last decades there has been a growing interest in the development of new solvents from biomass. Some of these new solvents have been classified as green due to their renewable and sustainable source. However, characterization from the ecotoxicological and physicochemical point of view is needed in order to categorize them as green solvents. We have selected several key physicochemical properties that can reflect environmental features (density, boiling point, critical aggregation concentration and Log P) and explored their usefulness for preliminary assessing the green character of the studied solvents...
December 13, 2017: Environmental Toxicology and Chemistry
https://www.readbyqxmd.com/read/29236324/silencing-of-phospholipase-c-gamma-2-promotes-proliferation-of-rat-hepatocytes-in-vitro
#11
Xiaoguang Chen, Xuemin Zhu, Yumei Liu, Qiongxia Lv, Jun Ma
The management of hepatic failure is undoubtedly difficult, and poor results have led to the search for novel therapeutic approaches. Nowadays, anti-apoptotic gene therapy is considered as an ideal approach. It has been proved that phospholipase Cγ2 (PLCγ2) is involved in the apoptosis of immune cells and tumor cells; however, whether this gene is related to hepatocyte death is still unclear. This study examined the role of PLCγ2 by inhibiting its expression in rat hepatocytes with siRNA. We also further analyzed the cellular mechanism by which the expression inhibition of PLCγ2 induces cell death...
December 13, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/29236317/association-of-rno-mir-183-96-182-cluster-with-diethylnitrosamine-induced-liver-fibrosis-in-wistar-rats
#12
Rajeev Chandel, Roli Saxena, Ashim Das, Jyotdeep Kaur
Chronic liver injury due to various etiological factors including environmental carcinogens results in development of liver fibrosis. Numerous studies showed role of miRNAs in liver fibrosis. In the present study, we determined the rno-miR-183-96-182 cluster expression during hepatic fibrosis induced by diethylnitrosamine (DEN) treated Wistar rats and its association with plasma levels of circulating rno-miR-96, rno-miR-182, rno-miR-183, liver function test and lipid profile, aiming to identify their potential for histological stratification and early diagnosis of liver fibrosis...
December 13, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/29236313/micrornas-and-exosomes-in-depression-potential-diagnostic-biomarkers
#13
Jahanshir Tavakolizadeh, Kambiz Roshanaei, Arash Salmaninejad, Reza Yari, Javid Sadri Nahand, Hoda Khoshdel Sarkarizi, Seyed Mojtaba Mousavi, Reza Salarinia, Majid Rahmati, Seyed Farshid Mousavi, Ryan Mokhtari, Hamed Mirzaei
Depression is known as one of important psychiatric disorders which could be associated with disability among various populations. Diagnostic and statistical manual of mental disorders, 4th edition (DSM-IV) and international statistical classification of diseases and related health problems (ICD-10) could be used as subjective diagnostic schemes for identification of mental disorders such as depression. Utilization of subjective diagnostic schemes are associated with limitations. Hence, it seems that employing of new diagnosis platforms is required...
December 13, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/29236311/mir-221-negatively-regulates-inflammation-and-insulin-sensitivity-in-white-adipose-tissue-by-repression-of-sirtuin-1-sirt1
#14
Jie Peng, Yuanfei Zhou, Zhao Deng, Hong Zhang, Yinghui Wu, Tongxing Song, Yang Yang, Hongkui Wei, Jian Peng
It is well known that obesity-induced white adipose tissue inflammation is an important reason for insulin-resistance and type 2 diabetes mellitus. Sirtuin-1 (SIRT1) is an important regulator of inflammtion response pathways in white adipose tissue. Here, we found that miR-221 negatively regulated SIRT1 in white adipose tissue during inflammation and HFD-induced obesity. MiR-221 is a putative oncogene which has been found overexpressed in a number of human tumors. Recently, it has also found that miR-221 was increased in obese adipose tissue and may be involved in inflammation and insulin-resistance...
December 13, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/29236310/insulin-induces-an-emt-like-process-in-mammary-epithelial-cells-mcf10a
#15
Cecilia Rodriguez-Monterrosas, Ricardo Díaz-Aragon, Elizabeth Leal-Orta, Pedro Cortes-Reynosa, Eduardo Perez Salazar
Diabetes mellitus has been related with an increased risk of breast cancer, whereas it has been suggested that links between diabetes mellitus and cancer are hyperinsulinemia, insulin resistance, hyperglycemia and chronic inflammation induced by adipose tissue. Contribution of hyperinsulinemia to carcinogenesis is mediated through resistance to endogenous insulin and by exogenous insulin used in treatment. Epithelial to mesenchymal transition (EMT) is a process by which epithelial cells are transdifferentiated to a mesenchymal state that has been implicated in cancer progression...
December 13, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/29236309/leptin-induces-mmp1-13-and-adamts-4-expressions-through-bone-morphogenetic-protein-2-autocrine-effect-in-human-chondrocytes
#16
Yu-Ping Su, Cheng-Nan Chen, Kuo-Chin Huang, Hsin-I Chang, Ko-Chao Lee, Chun-Min Lo, Shun-Fu Chang
The induction of bone morphogenetic protein (BMP) 2 in injured and arthritis articular cartilage has been proposed, but the precise mechanism has not been clearly clarified. Our previous study has found that leptin could stimulate the BMP2 autocrine effect to increase the anabolic collagen II expression when it initiates the catabolic response in human chondrocytes. It has been suggested that this BMP2 autocrine effect contributes to a reparative role in leptin-stimulated human chondrocytes. In this study, we further determined whether this BMP2 autocrine effect also affect the expressions of catabolic matrix metalloproteinases (MMPs) and a disintegrin and metalloproteinase with thrombospondin motif (ADAMTS)...
December 13, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/29236306/rs4705342-polymorphism-is-involved-in-the-tumorigenesis-of-hbv-positive-hcc-by-altering-the-binding-affinity-of-hbv-induced-nf-kb-with-the-promoter-region-of-microrna-143
#17
Yin Xiuli, Sun Shiying, Zhao Junyan, Yang Jing, Lei Xiaofei, Xu Changqing, Li Kun
BACKGROUND: The objective of this study was to explore the role of rs4705342 located in the miR-143 promoter in relation to the control of HBV positive HCC and the underlying molecular mechanism. METHOD: A luciferase assay was performed to explore the factors which influenced miR-143 transcription activity and the target gene of miR-143. This would further be confirmed by ChIP assay. Western-blot and real-time PCR were performed to identify the relationship between miR-143 and ORP8...
December 13, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/29236301/synergistic-effect-of-carnosine-on-browning-of-adipose-tissue-in-exercised-obese-rats-a-focus-on-circulating-irisin-levels
#18
Mona F Schaalan, Basma K Ramadan, Azza H Abd Elwahab
BACKGROUND: The recent appreciation of the energy burning capacity of brown adipose tissue turns it to an attractive target as anti-obesity therapy. OBJECTIVE: to evaluate the effect of L-carnosine on browning of white adipose tissue in exercised obese rats. METHODS: Sixty adult male Wistar albino rats between 7-8 weeks-old weighing 130-150 g were allocated into six groups;(i) normal control rats fed normal diet; (ii) high fat diet (HFD)-induced obese rats, (iii) normal control rats fed normal diet and injected with L-carnosine (250mg/kg), (iv) HFD-rats injected with L-carnosine (250mg/kg),(v): HFD-rats subjected to exercise training; (vi): HFD- rats subjected to exercise training and L-carnosine together...
December 13, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/29236299/apicomplexa-specific-%C3%AE-hairpin-of-plasmodium-and-toxoplasma-profilins-a-molecular-dynamics-simulation-study
#19
Priyadarsini Kadirvel, Sharmila Anishetty
Profilin is one of the actin-binding proteins that regulate dynamics of actin polymerization. It plays a key role in cell motility and invasion. It also interacts with several other proteins notably through its poly-L-proline (PLP) binding site. Profilin in apicomplexa is characterized by a unique mini-domain consisting of a large β-hairpin extension and an acidic loop which is relatively longer in Plasmodium species. Profilin is essential for the invasive blood stages of Plasmodium falciparum. In the current study, unbound profilins from Plasmodium falciparum (Pf), Toxoplasma gondii (Tg) and Homo sapiens (Hs) were subjected to molecular dynamics (MD) simulations for a timeframe of 100 ns each to understand the conformational dynamics of these proteins...
December 13, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/29236298/leptin-a-new-therapeutic-target-for-treatment-of-diabetes-mellitus
#20
Kanwal Rehman, Muhammad Sajid Hamid Akash, Zunaira Alina
Leptin is an endogenous protein having 167 amino acids and is derived from adipocytes. It hass tertiary structure that resembles with that of the pro-inflammatory cytokines family. The fundamental role of leptin is to maintain the energy homeostasis with the aid of its counter hormone called ghrelin, known as the "hunger hormone". Small quantities of leptin are also present in various tissues like ovary, placenta, pituitary gland, mammary gland, skeletal muscle, stomach and lymphoid tissue. Expression of leptin is strongly associated with various inflammatory responses and immune system, and plays crucial role in the pathophysiology of obesity and development of diabetes mellitus (DM) and insulin resistance...
December 13, 2017: Journal of Cellular Biochemistry
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