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https://www.readbyqxmd.com/read/30111028/-expression-of-oleosin-rhfgf9-fusion-protein-in-carthamus-tinctorius-and-determination-of-hair-regeneration-and-wound-repair-potential-in-mice
#1
Jing-Bo Cai, Wen-Qing Li, Rui-Cheng Wen, Chao Jiang, Xiao-Kun Li, Hai-Yan Li
The expression of fibroblast growth factor 9 (FGF9) recombinant fusion protein in Carthamus tinctorius was used to identify its effect on hair regrowth and wound repair system in mice, providing a basis for C. tinctorius as a plant bioreactor, and establishing a foundation for commercial applications of FGF9 fusion protein in hair regrowth and wound repair. The identified pOTBar-oleosin-rhFGF9 plasmid was transformed into Agrobacterium tumefaciens EHA105 by freeze-thaw method, and the oleosin-rhFGF9 gene was transformed into safflower leaves by A...
July 2018: Zhongguo Zhong Yao za Zhi, Zhongguo Zhongyao Zazhi, China Journal of Chinese Materia Medica
https://www.readbyqxmd.com/read/30110966/application-of-fluorescence-lifetime-imaging-microscopy-of-dna-binding-dyes-to-assess-radiation-induced-chromatin-compaction-changes
#2
Elham Abdollahi, Gisela Taucher-Scholz, Burkhard Jakob
In recent years several approaches have been developed to address the chromatin status and its changes in eukaryotic cells under different conditions-but only few are applicable in living cells. Fluorescence lifetime imaging microscopy (FLIM) is a functional tool that can be used for the inspection of the molecular environment of fluorophores in living cells. Here, we present the use of single organic minor groove DNA binder dyes in FLIM for measuring chromatin changes following modulation of chromatin structure in living cells...
August 14, 2018: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/30110889/design-of-a-scaffold-parameter-selection-system-with-additive-manufacturing-for-a-biomedical-cell-culture
#3
Marc Rabionet, Emma Polonio, Antonio J Guerra, Jessica Martin, Teresa Puig, Joaquim Ciurana
Open-source 3D printers mean objects can be quickly and efficiently produced. However, design and fabrication parameters need to be optimized to set up the correct printing procedure; a procedure in which the characteristics of the printing materials selected for use can also influence the process. This work focuses on optimizing the printing process of the open-source 3D extruder machine RepRap, which is used to manufacture poly(ε-caprolactone) (PCL) scaffolds for cell culture applications. PCL is a biocompatible polymer that is free of toxic dye and has been used to fabricate scaffolds, i...
August 14, 2018: Materials
https://www.readbyqxmd.com/read/30108655/-in-vitro-antidiabetic-activity-and-mechanism-of-action-of-brachylaena-elliptica-thunb-dc
#4
Idowu Jonas Sagbo, Maryna van de Venter, Trevor Koekemoer, Graeme Bradley
In South Africa, the number of people suffering from diabetes is believed to be rising steadily and the current antidiabetic therapies are frequently reported to have adverse side effects. Ethnomedicinal plant use has shown promise for the development of cheaper, cost-effective antidiabetic agents with fewer side effects. The aim of this study was to investigate the antidiabetic activity and mechanism of action of aqueous leaf extract prepared from Brachylaena elliptica . The potential of the extract for cytotoxicity was evaluated using MTT assay in HepG2 cells...
2018: Evidence-based Complementary and Alternative Medicine: ECAM
https://www.readbyqxmd.com/read/30108654/the-effect-of-pluchea-indica-l-less-tea-on-adipogenesis-in-3t3-l1-adipocytes-and-lipase-activity
#5
Kittipot Sirichaiwetchakoon, Gordon Matthew Lowe, Kanjana Thumanu, Griangsak Eumkeb
Obesity and hyperlipidemia are a major problem in the world. Pluchea indica (L.) Less. tea (PIT) is a beverage that has various indications. This study focused on the effect of the PIT on inhibiting adipogenesis of 3T3-L1 cells and pancreatic lipase enzyme activity. The viability of 3T3-L1 cells was not significantly decreased after exposure to 200 to 1000  μ g mL-1 PIT compared to controls ( p > 0.05). The PIT at 750 to 1000  μ g mL-1 exhibited a significantly reduced lipid accumulation compared to the control ( p < 0...
2018: Evidence-based Complementary and Alternative Medicine: ECAM
https://www.readbyqxmd.com/read/30105962/7-hydroxymatairesinol-improves-body-weight-fat-and-sugar-metabolism-in-c57bj-6-mice-on-a-high-fat-diet
#6
Giorgio Biasiotto, Isabella Zanella, Federica Predolini, Ivonne Archetti, Moris Cadei, Eugenio Monti, Marcello Luzzani, Barbara Pacchetti, Paola Mozzoni, Roberta Andreoli, Giuseppe De Palma, Federico Serana, Annika Smeds, Diego Di Lorenzo
7-Hydroxymatairesinol (7-HMR) is a plant lignan abundant in various concentrations in plant foods. The objective of this study was to test HMRLignan™, a purified form of 7-HMR, and the corresponding Picea abies extract (total extract P. abies; TEP) as dietary supplements on a background of a high-fat diet (HFD)-induced metabolic syndrome in mice and in the 3T3-L1 adipogenesis model. Mice, 3 weeks old, were fed a HFD for 60 d. Subgroups were treated with 3 mg/kg body weight 7-HMR (HMRLignan™) or 10 mg/kg body weight TEP by oral administration...
August 14, 2018: British Journal of Nutrition
https://www.readbyqxmd.com/read/30105954/nuclear-factor-erythroid-2-related-factor-2-activation-mediates-hyperhomocysteinemia-associated-lipolysis-suppression-in-adipocytes
#7
Xin Li, Yuhong Cheng, Xiuli Zhong, Bing Zhang, Zhiwei Bao, Yi Zhang, Zhigang Wang
Hyperhomocysteinemia (HHcy) is associated with suppressed lipolytic response in adipocytes/adipose tissue, however, the underlying mechanism remains to be extensively studied. Nuclear factor erythroid 2-related factor 2 (Nrf2), a master transcriptional factor regulating antioxidant generation, has been recently reported to mediate lipid metabolism. Employing both fully differentiated 3T3-L1 adipocytes and male C57BL/6 mice, in the present study, we investigated the potential involvement of Nrf2 activation in HHcy-mediated lipolytic suppression...
July 2018: Experimental Biology and Medicine
https://www.readbyqxmd.com/read/30105036/elevated-pentraxin-3-in-obese-adipose-tissue-promotes-adipogenic-differentiation-by-activating-neuropeptide-y-signaling
#8
Min-Kyung Shin, Bongkun Choi, Eun-Young Kim, Ji-Eun Park, Eui Seung Hwang, Hyang Ju Lee, Min Kyung Kim, Ji-Eun Kim, Seong Who Kim, Eun-Ju Chang
Obesity is accompanied by chronic systemic inflammation characterized by macrophage infiltration of obese tissues, an elevated plasma level of inflammatory substances, and excessive accumulation of lipids. The pro-inflammatory factor pentraxin 3 (PTX3) is also elevated in obese tissues, suggesting its potential role in adipogenesis. We found by analyzing murine preadipocyte 3T3-L1 cells, and human adipocytes derived from mesenchymal stem cells, which locally elevated PTX3 in obese adipose tissue augments adipocyte differentiation and subsequent lipid accumulation...
2018: Frontiers in Immunology
https://www.readbyqxmd.com/read/30104549/synthesis-characterization-and-in-vitro-cancer-cell-growth-inhibition-evaluation-of-novel-phosphatidylcholines-with-anisic-and-veratric-acids
#9
Marta Czarnecka, Marta Świtalska, Joanna Wietrzyk, Gabriela Maciejewska, Anna Gliszczyńska
Phenolic acids and its methoxy derivatives are known to induce caspase-mediated apoptosis activity and exhibit cytotoxic effect towards various cancer cell lines. However, their low stability and poor bioavailability in the human organism extensively restrict the utility of this group of compounds as anticancer and health-promoting agents. In this report, a series of eight novel phosphatidylcholines ( 3a-b , 5a-b , 7a-b , 8a-b ) containing anisic or veratric acids ( 1a-b ) at sn -1 and/or sn -2 positions were synthesized...
August 13, 2018: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/30103469/morusin-functions-as-a-lipogenesis-inhibitor-as-well-as-a-lipolysis-stimulator-in-differentiated-3t3-l1-and-primary-adipocytes
#10
Mi Rim Lee, Ji Eun Kim, Jun Young Choi, Jin Ju Park, Hye Ryeong Kim, Bo Ram Song, Ji Won Park, Mi Ju Kang, Young Whan Choi, Kyung Mi Kim, Dae Youn Hwang
Conflicting results for morusin activity during adipogenic differentiation are reported in 3T3-L1 adipocytes and cancer cells. To elucidate the influence of morusin on fat metabolism, their anti-obesity effects and molecular mechanism were investigated in 3T3-L1 cells and primary adipocytes. Morusin at a dose of less than 20 µM does not induce any significant change in the viability of 3T3-L1 adipocytes. The accumulation of intracellular lipid droplets in 3T3-L1 adipocytes stimulated with 0.5 mM 3-isobutyl-1-methylxanthine, 1 µM dexamethasone, 10 µg/mL insulin in DMEM containing 10% FBS (MDI)-significantly reduces in a dose-dependent manner after morusin treatment...
August 10, 2018: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/30098202/a-novel-fusion-gene-plekha6-ntrk3-in-langerhans-cell-histiocytosis
#11
Jiaoyang Cai, Xia Huang, Minzhi Yin, Ci Pan, Lili Song, Zhiyan Zhan, Jing Chen, Yijin Gao, Jingyan Tang, Yanxin Li, Shuhong Shen
Langerhans cell histiocytosis (LCH) is the most common histiocytosis with constitutive activation of the RAS-RAF-MEK-ERK (MAPKinase) cell signaling pathway. We analyzed 89 cases of BRAF and MAP2K1 mutations by Sanger sequencing, of which 18 cases showed that these two gene mutations are negative. Whole genome sequencing of suitable specimens in these negative cases revealed a translocation from the 3 intron of PLEKHA6 to the 13 intron of NTRK3 in one case. We identified that this translocation could cause a novel fusion mutation, PLEKHA6-NTRK3...
August 11, 2018: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/30097291/cortisol-regulates-immune-and-metabolic-processes-in-murine-adipocytes-and-macrophages-through-htr2c-and-htr5a-serotonin-receptors
#12
Sushri Priyadarshini, Biswaranjan Pradhan, Philip Griebel, Palok Aich
Epidemiological studies implicate stress as an important factor contributing to the increasing prevalence of metabolic disorders. Studies have correlated visceral obesity and atherosclerosis with hyper-cortisolemia, a sequela of chronic psychological stress in humans and animals. Although several hormonal markers of stress have been associated with various metabolic disorders, the mechanism by which these hormones alter metabolic functions have not been established. We used an in vitro model system, culturing 3T3-L1 pre-adipocytes and RAW 264...
July 27, 2018: European Journal of Cell Biology
https://www.readbyqxmd.com/read/30094782/homeostatic-balance-of-histone-acetylation-and-deconstruction-of-repressive-chromatin-marker-h3k9me3-during-adipocyte-differentiation-of-3t3-l1-cells
#13
Han-Heom Na, Keun-Cheol Kim
Background Adipocyte differentiation is completed by changing gene expression. Chromatin is closely related to gene expression. Therefore, its structure might be changed for adipocyte differentiation. Mouse 3T3-L1 preadipocytes have been used as a cell model to study molecular mechanisms of adipogenesis. Objective To examine changes of chromatin modification and expression of histone modifying enzymes during adipocyte differentiation. Methods Microscopic analysis and Oil Red O staining were performed to determine distinct phenotype of adipocyte differentiation...
August 9, 2018: Genes & Genomics
https://www.readbyqxmd.com/read/30094378/llc-tumor-cells-derivated-factors-reduces-adipogenesis-in-co-culture-system
#14
Magno Alves Lopes, Felipe Oliveira Franco, Felipe Henriques, Sidney Barnabé Peres, Miguel Luiz Batista
Cancer cachexia (CC) is a multifactorial syndrome with an unknown etiology. The primary symptom is the progressive reduction of the body weight. Recently, down-regulation of adipogenic and lipogenic genes were demonstrated to be early affected during cachexia progression in adipose tissue (AT), resulting in AT remodeling. Thus, this study aimed to evaluate in a co-culture system the influence of the Lewis Lung Carcinoma (LLC) tumor cells (c/c-LLC) in an established pre-adipocyte cell line 3T3-L1 adipogenic capacity...
July 2018: Heliyon
https://www.readbyqxmd.com/read/30093114/anti-obesity-potential-of-glycyrrhiza-uralensis-and-licochalcone-a-through-induction-of-adipocyte-browning
#15
Hye Eun Lee, Gabsik Yang, Sin-Hee Han, Jeong-Hoon Lee, Tae-Jin An, Jae-Ki Jang, Joo Young Lee
The main function of brown adipose tissue is to dissipate surplus caloric intake into heat energy by thermogenesis, increasing energy expenditure. Inducible brown adipocytes can develop within white adipose tissue (WAT) through a process referred to as browning. Browning of white fat represents a promising strategy for treatment of obesity and the related complications. We investigated whether Glycyrrhiza uralensis and its ingredients modulated adipogenesis through adipocyte browning using 3T3-L1 adipocytes and a high-fat diet (HFD)-induced obesity mice model...
August 7, 2018: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/30090550/microrna-29b-inhibits-supernatants-from-silica-treated-macrophages-from-inducing-extracellular-matrix-synthesis-in-lung-fibroblasts
#16
Ximeng Lian, Xiaowei Chen, Jingping Sun, Guoliang An, Xiaoli Li, Yan Wang, Piye Niu, Zhonghui Zhu, Lin Tian
Silicosis is pathologically characterized by diffused pulmonary fibrosis and abundant deposition of extracellular matrix (ECM) components. The ECM is mainly secreted by myofibroblasts which are the activated state of fibroblasts. MicroRNA-29b (miR-29b) is one of the well-known microRNAs involved in fibrosis, but its roles in silicosis have not been specified. In this study, we hypothesized that miR-29b might play a protective role in the progression of silicosis. MTT assay, qRT-PCR, immunofluorescence and western blotting were applied...
November 1, 2017: Toxicology Research
https://www.readbyqxmd.com/read/30090303/organic-emitter-integrating-aggregation-induced-delayed-fluorescence-and-room-temperature-phosphorescence-characteristics-and-its-application-in-time-resolved-luminescence-imaging
#17
Fan Ni, Zece Zhu, Xiao Tong, Mingjuan Xie, Qiang Zhao, Cheng Zhong, Yang Zou, Chuluo Yang
Thermally activated delayed fluorescence (TADF) with a substantially long lifetime furnishes a new paradigm in developing probes for time-resolved imaging. Herein, a novel TADF fluorophore, namely, PXZT , with terpyridine as the acceptor and phenoxazine (PXZ) as the donor, was rationally designed and synthesized. The new compound shows typical thermally activated delayed fluorescence, aggregation-induced emission and crystallization-induced room-temperature phosphorescence (RTP). The coordination of PXZT with a zinc ion causes the quenching of the fluorescence of PXZT due to the enhanced intramolecular charge transfer of the resulting complex ZnPXZT1 ...
July 28, 2018: Chemical Science
https://www.readbyqxmd.com/read/30087295/injectable-hyaluronic-acid-co-gelatin-cryogels-for-tissue-engineering-applications
#18
Mahboobeh Rezaeeyazdi, Thibault Colombani, Adnan Memic, Sidi A Bencherif
Polymeric scaffolds such as hydrogels can be engineered to restore, maintain, or improve impaired tissues and organs. However, most hydrogels require surgical implantation that can cause several complications such as infection and damage to adjacent tissues. Therefore, developing minimally invasive strategies is of critical importance for these purposes. Herein, we developed several injectable cryogels made out of hyaluronic acid and gelatin for tissue-engineering applications. The physicochemical properties of hyaluronic acid combined with the intrinsic cell-adhesion properties of gelatin can provide suitable physical support for the attachment, survival, and spreading of cells...
August 7, 2018: Materials
https://www.readbyqxmd.com/read/30081790/benzophenone-esters-and-sulfonates-synthesis-and-their-potential-as-antiinflammatory-agents
#19
Arshia, Almas Jabeen, Aisha Faheem, Khalid Mohammed Khan, Shazia Shah, Shahnaz Perveen
BACKGROUND: Inflammation is a biological rejoinder of vascular tissues against destructive agents e.g. irritants, damaged cell or pathogens. During inflammation respiratory burst occur by activated phagocytes helps to destroy invading pathogens. Phagocytic cells such as neutrophils and macrophages are one of the major sources of reactive oxygen species (ROS) and nitric oxide (NO). Normally the redox environment is maintained by various antioxidant defense systems, however, these reactive oxygen species may be destructive and can lead to various pathological conditions...
August 5, 2018: Medicinal Chemistry
https://www.readbyqxmd.com/read/30079614/in-vitro-cytotoxicity-evaluation-of-cadmium-by-label-free-holographic-microscopy
#20
Martina Mugnano, Pasquale Memmolo, Lisa Miccio, Simonetta Grilli, Francesco Merola, Alejandro Calabuig, Alessia Bramanti, Emanuela Mazzon, Pietro Ferraro
Among all environmental pollutants, the toxic heavy metal cadmium is considered as a human carcinogen. Cadmium may induce cell death by apoptosis in various cell types, although the underlying mechanisms are still unclear. In this paper we show how a label-free digital holography (DH) based technique is able to quantify the evolution of key biophysical parameters of cells during the exposure to cadmium for the first time. Murine embryonic fibroblasts NIH 3T3 are chosen here as cellular model for studying the cadmium effects...
August 5, 2018: Journal of Biophotonics
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