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https://www.readbyqxmd.com/read/29454296/effect-of-multiple-low-dose-pgf-2-%C3%AE-injections-on-the-mature-corpus-luteum-in-non-pregnant-bitches
#1
Eyyup H Ucar, Hayrettin Cetin, Mehmet O Atli
This study investigated molecular regulation in the canine corpus luteums/corpora lutea (CL) following multiple low-dose prostaglandin F 2 alpha (PGF 2 α) injections in non-pregnant bitches around 30-35 days after ovulation. The CL were obtained by ovariohysterectomy 1 h after the last PGF 2 α injection. The subjects were divided into the following groups: control (no PGF 2 α injection, n = 4), one PGF 2 α injection (injection at 0 h, 1PGF, n = 4), two PGF 2 α injection (injection at 0 and 8 h, 2PGF, n = 4), and three PGF 2 α injection (injection at 0, 8 and 24 h, 3PGF, n = 4)...
February 14, 2018: Theriogenology
https://www.readbyqxmd.com/read/29454291/de-novo-transcriptome-of-the-pallial-gland-of-the-date-mussel-lithophaga-lithophaga
#2
Urška Sivka, Nataša Toplak, Simon Koren, Jernej Jakše
Lithophaga lithophaga is a rock-boring bivalve with an ability to dissolve carbonate substrata with its siphonal and pallial gland secretions. However, the molecular mechanism that enables this species to bore into calcareous rocks is not yet known. In order to identify genes potentially involved in chemical boring we performed transcriptome sequencing of pallial-gland tissue samples of L. lithophaga. Transcriptome sequencing using an Ion Torrent platform generated 60.563 million clean reads with an average read length of 96 bp...
February 6, 2018: Comparative Biochemistry and Physiology. Part D, Genomics & Proteomics
https://www.readbyqxmd.com/read/29454288/apocynum-venetum-leaf-extract-reverses-depressive-like-behaviors-in-chronically-stressed-rats-by-inhibiting-oxidative-stress-and-apoptosis
#3
Xiangting Li, Ting Wu, Zhonghai Yu, Tingting Li, Jingsi Zhang, Zhennian Zhang, Min Cai, Wen Zhang, Jun Xiang, Dingfang Cai
BACKGROUND: Major depressive disorder (MDD) is a common but serious psychiatric disorder, but current treatments are inadequate for approximately half of the patients with MDD. Thus, better methods of treatment are urgently needed. This study aimed to investigate the antidepressant-like effects and potential mechanism of Apocynum venetum leaf extract (AVLE) in chronic unpredictable mild stress (CUMS) rat model of depression. MATERIALS AND METHODS: The CUMS rat model of depression was used to investigate the antidepressant-like activity and relevant mechanism of AVLE (30, 60, and 125 mg/kg, i...
February 14, 2018: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29454285/pou5f1b-promotes-hepatocellular-carcinoma-proliferation-by-activating-akt
#4
Yaozhen Pan, Lei Zhan, Ling Chen, Hong Zhang, Chengyi Sun, Chungen Xing
Hepatocellular carcinoma (HCC) is one of the most common tumors, so far, there still aren't good therapeutic methods. Looking for new targets makes a top priority. In this study, we found a OCT4 pseudogene, POU5F1B was significantly upregulated in HCC cells and tissues, patients with high POU5F1B had shorter survival time compared to patients with low POU5F1B expression. POU5F1B overexpression promoted HCC proliferation, while its knockdown inhibited HCC proliferation determined by MTT assay, soft agar growth assay, BrdU incorporation assay, and cell cycle assay...
February 14, 2018: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29454280/8-chrysoeriol-as-a-potential-bcl-2-inhibitor-triggers-apoptosis-of-sw1990-pancreatic-cancer-cells
#5
Yiwen Zhang, Zhimei Li, Qiuxia Min, Abulizi Palida, Yiyuan Zhang, Ruotian Tang, Lixia Chen, Hua Li
8-Chrysoeriol, a bioactive flavanoid, was firstly identified to bind directly to BCL-2 as BH3 mimetics by structure-based virtual ligand screening. And 3D docking model revealed the molecular basis of 8-Chrysoeriol targeting to BCL-2. The interaction between 8-Chrysoeriol and BCL-2 was further confirmed using Microscale Thermophoresis (MST) technique. Meanwhile, high expression level of antiapoptotic protein BCL-2 was detected in SW1990 pancreatic cancer cells and 8-Chrysoeriol showed obvious proapoptosis effect against SW1990 in vitro...
February 2, 2018: Bioorganic Chemistry
https://www.readbyqxmd.com/read/29454270/cadmium-induced-stress-response-of-phanerochaete-chrysosporium-during-the-biodegradation-of-2-2-4-4-tetrabromodiphenyl-ether-bde-47
#6
Mi Feng, Hua Yin, Yajuan Cao, Hui Peng, Guining Lu, Zehua Liu, Zhi Dang
Cd-induced stress response of Phanerochaete chrysosporium during the biodegradation of BDE-47 was investigated in this study, with the goal of elucidating the tolerance behavior and the detoxification mechanisms of P. chrysosporium to resist the Cd stress in the course of BDE-47 biodegradation, which has implications for expanding the application of P. chrysosporium in the bioremediation of Cd and BDE-47 combined pollution. The results suggested that single BDE-47 exposure did not induce obvious oxidative stress in P...
February 14, 2018: Ecotoxicology and Environmental Safety
https://www.readbyqxmd.com/read/29454265/supplementation-of-lycopene-attenuates-lipopolysaccharide-induced-amyloidogenesis-and-cognitive-impairments-via-mediating-neuroinflammation-and-oxidative-stress
#7
Jia Wang, Lixia Li, Zhuo Wang, Yifan Cui, Xintong Tan, Tian Yuan, Qian Liu, Zhigang Liu, Xuebo Liu
Neuroinflammation is documented to be the major culprit of Alzheimer's disease. Lycopene (LYC), a fat soluble carotenoid, exhibits neuroprotective function in several neurodegenerative disorders. However, the effects of LYC to countering systemic inflammation-induced amyloidogenesis and memory deficiency remain to be elucidated. In current study, 3-month-old male C57BL/6J mice were treated with 0.03% LYC (w/w, mixed into normal chow) for 5 weeks. The mice were then treated by intraperitoneal injection of LPS (0...
February 2, 2018: Journal of Nutritional Biochemistry
https://www.readbyqxmd.com/read/29454234/diarylheptanoid-from-rhizomes-of-curcuma-kwangsiensis-dck-inhibited-imiquimod-induced-dendritic-cells-activation-and-th1-th17-differentiation
#8
Qing Liu, Wei Yin, Ling Han, Jiaoyan Lv, Bingji Li, Yuli Lin, Qingsheng Mi, Rui He, Chuanjian Lu
BACKGROUND AND OBJECT: Dendritic cells (DCs) are critical for initiating the activation and differentiation of T cells in inflammatory diseases including psoriasis. Curcuma kwangsiensis S.G. Lee & C.F. Liang is a herb for treating psoriasis and we previously found Diarylheptanoid from rhizomes of Curcuma kwangsiensis (DCK) inhibited keratinocytes proliferation. However, it is unknown whether DCK influences DC functions. Thus we aimed to explore whether DCK affect the major immunological functions of DCs...
February 14, 2018: International Immunopharmacology
https://www.readbyqxmd.com/read/29454191/show-me-the-way-rust-effector-targets-in-heterologous-plant-systems
#9
REVIEW
Cécile Lorrain, Benjamin Petre, Sébastien Duplessis
For years, the study of rust fungal effectors has been impeded by the lack of molecular genetic tools in rust pathosystems. The recent use of heterologous plants to perform effector screens (effectoromics)-including effector localisation (cellular targets) and protein interactors (molecular targets) in plant cells-has changed the game. These screens revealed that many candidate effectors from various rust fungi target specific plant cell compartments, including chloroplasts, and associate with specific plant protein complexes...
February 14, 2018: Current Opinion in Microbiology
https://www.readbyqxmd.com/read/29454184/exploration-and-exploitation-of-the-environment-for-novel-specialized-metabolites
#10
REVIEW
Catarina Loureiro, Marnix H Medema, John van der Oost, Detmer Sipkema
Microorganisms are Nature's little engineers of a remarkable array of bioactive small molecules that represent most of our new drugs. The wealth of genomic and metagenomic sequence data generated in the last decade has shown that the majority of novel biosynthetic gene clusters (BGCs) is identified from cultivation-independent studies, which has led to a strong expansion of the number of microbial taxa known to harbour BGCs. The large size and repeat sequences of BGCs remain a bioinformatic challenge, but newly developed software tools have been created to overcome these issues and are paramount to identify and select the most promising BGCs for further research and exploitation...
February 14, 2018: Current Opinion in Biotechnology
https://www.readbyqxmd.com/read/29454161/physiological-low-dose-oestrogen-promotes-the-development-of-experimental-autoimmune-thyroiditis-through-the-up-regulation-of-th1-th17-responses
#11
Yang Xiang, Qian Jin, Li Li, Yali Yang, Hongmei Zhang, Miao Liu, Chenling Fan, Jing Li, Zhongyan Shan, Weiping Teng
Previous studies have reported a preponderance of autoimmune thyroiditis (AIT) in females, but the detailed mechanisms have not been elucidated. In this study, we explored the effects of oestrogen on experimental AIT (EAT) and its potential mechanisms in an ovariectomised mouse model through the supplementation of high (equivalent to the level during pregnancy) or low (equivalent to the level at the oestrus stage) doses of oestradiol (E2). We found that EAT incidence, the intrathyroidal inflammatory score, serum anti-thyroglobulin IgG2b levels, splenic mRNA expression of Th1- and Th17-specific transcription factors and typical cytokines and the proportion of IL-12-producing dendritic cells were significantly increased in EAT mice treated with low-dose E2 compared with those in the control group...
February 7, 2018: Journal of Reproductive Immunology
https://www.readbyqxmd.com/read/29454159/an-aligned-porous-electrospun-fibrous-membrane-with-controlled-drug-delivery-an-efficient-strategy-to-accelerate-diabetic-wound-healing-with-improved-angiogenesis
#12
Xiaozhi Ren, Yiming Han, Jie Wang, Yuqi Jiang, Zhengfang Yi, He Xu, Qinfei Ke
A chronic wound in diabetic patients is usually characterized by poor angiogenesis and delayed wound closure. The exploration of efficient strategy to significantly improve angiogenesis in the diabetic wound bed and thereby accelerate wound healing is still a significant challenge. Herein, we reported a kind of aligned porous poly (L-lactic acid) (PLLA) electrospun fibrous membranes containing dimethyloxalylglycine (DMOG)-loaded mesoporous silica nanoparticles (DS) for diabetic wound healing. The PLLA electrospun fibers aligned in a single direction and there were ellipse-shaped nano-pores in situ generated onto the surface of fibers, while the DS were well distributed in the fibers and the DMOG as well as Si ion could be controlled released from the nanopores on the fibers...
February 14, 2018: Acta Biomaterialia
https://www.readbyqxmd.com/read/29454156/the-glun2b-subunit-represents-a-major-functional-determinant-of-nmda-receptors-in-human-induced-pluripotent-stem-cell-derived-cortical-neurons
#13
Ioana Neagoe, Chang Liu, Alexander Stumpf, Yanmei Lu, Dongping He, Ross Francis, Jun Chen, Paul Reynen, Moulay Hicham Alaoui-Ismaili, Hirokazu Fukui
Abnormal signaling pathways mediated by N-methyl-d-aspartate receptors (NMDARs) have been implicated in the pathogenesis of various CNS disorders and have been long considered as promising points of therapeutic intervention. However, few efforts have been previously described concerning evaluation of therapeutic modulators of NMDARs and their downstream pathways in human neurons with endogenous expression of NMDARs. In the present study, we assessed expression, functionality, and subunit composition of endogenous NMDARs in human induced pluripotent stem cell (hiPSC)-derived cortical neurons (iCell Neurons and iCell GlutaNeurons)...
February 8, 2018: Stem Cell Research
https://www.readbyqxmd.com/read/29454117/the-differentially-expressed-genes-of-human-sporadic-cerebral-cavernous-malformations
#14
Xiangjiang Lin, Guolu Meng, Xing Liu, Tengfei Yu, Chuanfeng Bai, Xiaobin Fei, Shengze Deng, Jizong Zhao, Shulin Ren, Junting Zhang, Zhen Wu, Shuo Wang, Jianguo Zhang, Liwei Zhang
OBJECTIVES: To understand the development of Sporadic cerebral cavernous malformations (SCCM) comprehensively, we analyzed gene expression profiles in SCCMs by the gene microarray. METHODS: The total number of the specimens collected in our study was 14, 7 of which were SCCMs, and the others were controls that were obtained from normal brain vessels. The total RNA was extracted and hybridized with Oligonucleotide array containing 21522 genes. The analysis of Gene Ontology (GO) items and molecular pathways was performed based on the GO and Kyoto Encyclopedia of Genes and Genomes (KEGG) databases...
February 14, 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29454110/study-of-lipid-metabolism-by-estimating-the-fat-fraction-in-different-breast-tissues-and-in-various-breast-tumor-sub-types-by-in-vivo-1-h-mr-spectroscopy
#15
Khushbu Agarwal, Uma Sharma, Sandeep Mathur, Vurthaluru Seenu, Rajinder Parshad, Naranamangalam R Jagannathan
PURPOSE: To evaluate the utility of fat fraction (FF) for the differentiation of different breast tissues and in various breast tumor subtypes using in vivo proton ( 1 H) magnetic resonance spectroscopy (MRS). METHODS: 1 H MRS was performed on 68 malignant, 35 benign, and 30 healthy volunteers at 1.5 T. Malignant breast tissues of patients were characterized into different subtypes based on the differences in the expression of hormone receptors and the FF was calculated...
February 14, 2018: Magnetic Resonance Imaging
https://www.readbyqxmd.com/read/29454107/archetype-modeling-methodology
#16
David Moner, José Alberto Maldonado, Montserrat Robles
Clinical Information Models (CIMs) expressed as archetypes play an essential role in the design and development of current Electronic Health Record (EHR) information structures. Although there exist many experiences about using archetypes in the literature, a comprehensive and formal methodology for archetype modeling does not exist. Having a modeling methodology is essential to develop quality archetypes, in order to guide the development of EHR systems and to allow the semantic interoperability of health data...
February 14, 2018: Journal of Biomedical Informatics
https://www.readbyqxmd.com/read/29454096/jak-stat-inhibitors-and-other-small-molecule-cytokine-antagonists-for-the-treatment-of-allergic-disease
#17
REVIEW
Michael D Howell, Carolyn Fitzsimons, Paul Smith
OBJECTIVE: To provide an overview of janus kinase (JAK), chemoattractant receptor-homologous molecule expressed on T-helper 2 cells (CRTH2), and phosphodiesterase 4 (PDE4) inhibitors in allergic disorders. DATA SOURCES: PubMed literature review. STUDY SELECTIONS: Articles included in this review discuss the emerging mechanism of action of small molecule inhibitors and their utilization in atopic dermatitis (AD), asthma, and allergic rhinitis (AR)...
February 14, 2018: Annals of Allergy, Asthma & Immunology
https://www.readbyqxmd.com/read/29454094/synergistic-activity-of-bet-inhibitor-bi-894999-with-plk-inhibitor-volasertib-in-aml-in-vitro-and-in-vivo
#18
Ulrike Tontsch-Grunt, Dorothea Rudolph, Irene Waizenegger, Anke Baum, Daniel Gerlach, Harald Engelhardt, Melanie Wurm, Fabio Savarese, Norbert Schweifer, Norbert Kraut
Interactions between a new potent Bromodomain and extraterminal domain (BET) inhibitor BI 894999 and the polo-like kinase (PLK) inhibitor volasertib were studied in acute myeloid leukemia cell lines in vitro and in vivo. We provide data for the distinct mechanisms of action of these two compounds with a potential utility in AML based on gene expression, cell cycle profile and modulation of PD biomarkers such as MYC and HEXIM1. In contrast to BI 894999, volasertib treatment neither affects MYC nor HEXIM1 expression, but augments and prolongs the decrease of MYC expression caused by BI 894999 treatment...
February 14, 2018: Cancer Letters
https://www.readbyqxmd.com/read/29454093/silencing-circular-rna-hsa_circ_0000977-suppresses-pancreatic-ductal-adenocarcinoma-progression-by-stimulating-mir-874-3p-and-inhibiting-plk1-expression
#19
Wen-Jie Huang, Yun-Chao Wang, Song-Song Liu, Jia-Li Yang, Shi-Xiang Guo, Li-Jiang Wang, Huai-Zhi Wang, Ying-Fang Fan
Circular RNAs (CircRNAs) are a novel type of endogenous noncoding RNAs that regulate target gene expression by interacting with microRNA (miRNA). Emerging evidence shows that dysregulation of circRNAs plays important roles in biological and pathological processes, including cancer development and progression. The functional role of circRNA in PDAC (pancreatic ductal adenocarcinoma) remains to be investigated. In this study, high throughput microarray assay revealed that hsa_circ_0000977 was aberrantly up-regulated in pancreatic cancer tissues; this was also validated by qRT-PCR...
February 14, 2018: Cancer Letters
https://www.readbyqxmd.com/read/29454090/characterization-of-vasa-homolog-in-a-neotropical-catfish-jundi%C3%A3-rhamdia-quelen-molecular-cloning-and-expression-analysis-during-embryonic-and-larval-development
#20
Juliana M B Ricci, Emanuel R M Martinez, Arno J Butzge, Lucas B Doretto, Marcos A Oliveira, Robie Allan Bombardelli, Jan Bogerd, Rafael H Nóbrega
We have characterized the full-length vasa cDNA from Jundiá, Rhamdia quelen (Heptapteridae, Siluriformes). vasa encodes a member of the DEAD-box protein family of ATP-dependent RNA helicases. This protein is highly conserved among different organisms and its role is associated with RNA metabolism. In the majority of the investigated species, vasa is restricted to the germ cell lineage and its expression has been used to study germline development in many organisms, including fish. The deduced R. quelen vasa amino acid sequence displayed high similarity with Vasa protein sequences from other organisms, and did not cluster with PL10 or P68 DEAD-box protein subfamilies...
February 14, 2018: Gene
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