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https://www.readbyqxmd.com/read/28727132/analysis-of-intravaginal-misoprostol-0-2-mg-versus-intracervical-dinoprostone-0-5-mg-doses-for-labor-induction-at-term-pregnancies
#1
Teresa Górnisiewicz, Andrzej Jaworowski, Małgorzata Zembala-Szczerba, Dorota Babczyk, Hubert Huras
OBJECTIVES: Labor-induction methods are used in about 23% of labors. Most commonly, pharmacological methods are used to pre-induct the labor with dinoprostone - a PGE2 analog, and misoprostol - a PGE1 analog. The aim of this study was to evaluate two pharmacological methods of labor induction with the use of prostaglandins applied via an intravagi-nal insert containing misoprostol at a dose of 0.2 mg and intracervical gel containing dinoprostone at a dose of 0.5 mg. MATERIAL AND METHODS: This retrospective study was conducted on a group of 50 adult patients qualified for the pre-induction of labor...
2017: Ginekologia Polska
https://www.readbyqxmd.com/read/28724634/adaptor-protein-p62-promotes-skin-tumor-growth-and-metastasis-and-is-induced-by-uva-radiation
#2
Ashley Sample, Baozhong Zhao, Lei Qiang, Yu-Ying He
Skin cancer is the most common cancer and exposure to ultraviolet (UV) radiation, namely UVA and UVB is the major risk factor for skin cancer development. UVA is significantly less effective in causing direct DNA damage than UVB, but UVA has been shown to increase skin cancer risk. The mechanism by which UVA contributes to skin cancer remains unclear. Here, using RNA-Seq, we show that UVA induces autophagy and lysosomal gene expression, including the autophagy receptor and substrate p62. We found that UVA activates the transcription factor EB (TFEB), a known regulator of autophagy and lysosomal gene expression, which, in turn, induces p62 transcription...
July 19, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28723348/central-serotonin-attenuates-lps-induced-systemic-inflammation
#3
Clarissa M D Mota, Caroline Rodrigues-Santos, Rodrigo A R Fernández, Ruither O G Carolino, José Antunes-Rodrigues, Janete A Anselmo-Franci, Luiz G S Branco
Serotonin (5-HT) is a neuromodulator involved in several central-mediated mechanisms, such as endocrine processes, behavior, and sleep. Dysfunction of the serotonergic system is mainly linked to psychiatric disorders, but emerging evidence suggests that immune system activation may also alter brain 5-HT signaling. However, whether central 5-HT modulates systemic inflammation (SI) remains unknown. For this purpose, male Wistar rats (280-350 g, 8-9 weeks) were submitted to the experimental protocols beginning between 9 and 10 AM with the performance of injections...
July 16, 2017: Brain, Behavior, and Immunity
https://www.readbyqxmd.com/read/28718447/prostaglandin-e2-signaling-alternative-target-for-glioblastoma
#4
Jianxiong Jiang, Jiange Qiu, Qianqian Li, Zhi Shi
Elevated cyclooxygenase-2 (COX-2) and the associated inflammation within the brain contribute to glioblastoma development. However, medical use of COX inhibitors in glioblastoma treatment has been limited due to their well-documented vascular toxicity and inconsistent outcomes from recent human studies. Prostaglandin E2 (PGE2) has emerged as a principal mediator for COX-2 cascade-driven gliomagenesis. Are PGE2 terminal synthases and receptors feasible therapeutic targets for glioblastoma?
February 2017: Trends in Cancer
https://www.readbyqxmd.com/read/28716915/prostaglandin-dehydrogenase-is-a-target-for-successful-induction-of-cervical-ripening
#5
Annavarapu Hari Kishore, Hanquan Liang, Mohammed Kanchwala, Chao Xing, Thota Ganesh, Yucel Akgul, Bruce Posner, Joseph M Ready, Sanford D Markowitz, Ruth Ann Word
The cervix represents a formidable structural barrier for successful induction of labor. Approximately 10% of pregnancies undergo induction of cervical ripening and labor with prostaglandin (PG) E2 or PGE analogs, often requiring many hours of hospitalization and monitoring. On the other hand, preterm cervical ripening in the second trimester predicts preterm birth. The regulatory mechanisms of this paradoxical function of the cervix are unknown. Here, we show that PGE2 uses cell-specific EP2 receptor-mediated increases in Ca(2+) to dephosphorylate and translocate histone deacetylase 4 (HDAC4) to the nucleus for repression of 15-hydroxy prostaglandin dehydrogenase (15-PGDH)...
July 17, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28716085/the-protective-effect-of-fermented-curcuma-longa-l-on-memory-dysfunction-in-oxidative-stress-induced-c6-gliomal-cells-proinflammatory-activated-bv2-microglial-cells-and-scopolamine-induced-amnesia-model-in-mice
#6
Cheong-Su Eun, Jong-Soon Lim, Jihye Lee, Sam-Pin Lee, Seun-Ah Yang
BACKGROUND: Curcuma longa L. is a well-known medicinal plant that has been used for its anti-cancer, neuroprotective, and hepatoprotective effects. However, the neuroprotective effect of fermented C. longa (FCL) has not been reported. Therefore, in this study, the effectiveness of FCL for the regulation of memory dysfunction was investigated in two brain cell lines (rat glioma C6 and murine microglia BV2) and scopolamine-treated mice. METHODS: C. longa powder was fermented by 5% Lactobacillus plantarum K154 containing 2% (w/v) yeast extract at 30 °C for 72 h followed by sterilization at 121 °C for 15 min...
July 17, 2017: BMC Complementary and Alternative Medicine
https://www.readbyqxmd.com/read/28713901/protective-effects-of-marrubiin-improve-endometriosis-through-suppression-of-the-expression-of-rantes
#7
Xiao-Hong Sun
Marrubiin can improve blood and lymph microcirculation disturbance, and has pharmacological effects in myocardial protection, anti‑inflammation and anti‑oxidation. The aim of the present study was to evaluate the protective effects of marrubiin on endometriosis through suppression of the expression of regulated on activation, normal T cell expressed and secreted (RANTES). Endometriotic cells were implanted into the peritoneal cavity of mice, and these mice were injected estradiol benzoate (30 µg/kg) once each day for 14 days...
July 14, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28712765/losartan-reverses-cox-2-dependent-vascular-dysfunction-in-offspring-of-hyperglycaemic-rats
#8
Diego Barbosa de Queiroz, Fernanda Elizabethe Ramos-Alves, Juliana Santos-Rocha, Gloria Pinto Duarte, Fabiano Elias Xavier
AIMS: This study examined whether chronic treatment with losartan, an angiotensin II type 1 receptor (AT1R) antagonist, might reverse COX-2-mediated vascular dysfunction in mesenteric resistance arteries (MRA) from offspring of hyperglycaemic rats. MATERIALS AND METHODS: Male 12-month-old offspring of hyperglycaemic (O-DR) and normoglycaemic (O-CR) rats were treated with losartan (15mg·kg·day(-1)) during 2months. Third order MRA of untreated and losartan-treated O-DR and O-CR were mounted in wire myograph for isometric tension measurements...
July 13, 2017: Life Sciences
https://www.readbyqxmd.com/read/28710231/tuberin-regulates-prostaglandin-receptor-mediated-viability-via-rheb-in-mtorc1-hyperactive-cells
#9
Chenggang Li, Xiaolei Liu, Yang Liu, Erik Zhang, Kantha Medepalli, Kohei Masuda, Na Li, Elizabeth J Kopras, David J Kwiatkowski, Michael T Borchers, Kathryn A Wikenheiser-Brokamp, Andrew Osterburg, Maxwell Mays, Yang Sun, David R Plas, Julia L Sun, David N Franz, Jamie K Capal, Anya Alayev, Marina K Holz, Darcy A Krueger, Brian J Siroky, Jane J Yu
Tuberous sclerosis complex (TSC) is a tumor suppressor syndrome affecting multiple organs, including the brain, skin, kidneys, heart, and lungs. TSC is associated with mutations in TSC1 or TSC2 resulting in hyperactivation of mechanistic target of rapamycin complex 1 (mTORC1). Clinical trials demonstrate that mTORC1 inhibitors decrease tumor volume and stabilize lung function in TSC patients; however, mTOR inhibitors are cytostatic not cytocidal, and long-term benefits and toxicities are uncertain. Previously, we identified rapamycin-insensitive upregulation of cyclooxygenase 2 (PTGS2/COX2) and prostaglandin E2 (PGE2) production in TSC2-deficient cells and postulate that the action of excess PGE2 and its cognate receptors (EPs) contribute to cell survival...
July 14, 2017: Molecular Cancer Research: MCR
https://www.readbyqxmd.com/read/28708884/a-jak1-2-inhibitor-baricitinib-inhibits-osteoclastogenesis-by-suppressing-rankl-expression-in-osteoblasts-in-vitro
#10
Kohei Murakami, Yasuhiro Kobayashi, Shunsuke Uehara, Takako Suzuki, Masanori Koide, Teruhito Yamashita, Midori Nakamura, Naoyuki Takahashi, Hiroyuki Kato, Nobuyuki Udagawa, Yukio Nakamura
The Janus kinases (Jaks) are hubs in the signaling process of more than 50 cytokine or hormone receptors. However, the function of Jak in bone metabolism remains to be elucidated. Here, we showed that the inhibition of Jak1 and/or Jak2 in osteoblast-lineage cells led to impaired osteoclastogenesis due to the reduced expression of receptor activator of nuclear factor-κB ligand (RANKL). Murine calvaria-derived osteoblasts induced differentiation of bone marrow cells into osteoclasts in the presence of 1,25-dihydroxyvitamin D3 (1,25D3) and prostaglandin E2 (PGE2) in vitro...
2017: PloS One
https://www.readbyqxmd.com/read/28708587/sodium-fluoride-induces-renal-inflammatory-responses-by-activating-nf-%C3%AE%C2%BAb-signaling-pathway-and-reducing-anti-inflammatory-cytokine-expression-in-mice
#11
Qin Luo, Hengmin Cui, Huidan Deng, Ping Kuang, Huan Liu, Yujiao Lu, Jing Fang, Zhicai Zuo, Junliang Deng, Yinglun Li, Xun Wang, Ling Zhao
Fluoride is widely distributed in the environment and often results in adverse health effects on animals and human beings. It has been proved that fluoride can induce inflammatory responses in vitro. However, very limited reports are focused on fluoride-induced inflammatory responses in vivo. In this study, mice were used to investigate sodium fluoride (NaF) induced renal inflammatory responses and the potential mechanism by using the methods of pathology, biochemistry, enzyme-linked immunosorbent assay (ELISA), quantitative real-time polymerase chain reaction (qRT-PCR) and western blot...
July 5, 2017: Oncotarget
https://www.readbyqxmd.com/read/28708503/effect-of-dietary-supplementation-of-omega-3-polyunsaturated-fatty-acid-pufa-rich-fish-oil-on-reproductive-performance-of-the-goat-capra-hircus
#12
Ajit Singh Mahla, Ravjibhai K Chaudhari, Atul Kumar Verma, Amit Kumar Singh, Sanjay Kumar Singh, Gyanendra Singh, Mihir Sarkar, Narayan Dutta, Harendra Kumar, Narayanan Krishnaswamy
Dietary supplementation of n-3 PUFA decreases the luteolytic PGF2α and improves the pregnancy rate in the dairy cow. However, its effect in the goat is not known. Accordingly, we studied the effect of supplementation of n-3 PUFA rich Fish oil (FO) on different reproductive events in the goat. Cycling goats (n = 30) were divided into two equal groups and fed an isocaloric and isonitrogenous diet supplemented with either FO (TRT; n = 15) or palm oil (PO) (CON; n = 15) @ 0.6 mL/kg body weight for 72 days during the breeding season...
May 26, 2017: Theriogenology
https://www.readbyqxmd.com/read/28708500/reversible-meiotic-arrest-of-bovine-oocytes-by-egfr-inhibition-and-follicular-hemisections
#13
Paulo Roberto Antunes da Rosa, Matheus Pedrotti De Cesaro, Andressa Minussi Pereira Dau, Raj Duggavathi, Vilceu Bordignon, Paulo Bayard Dias Gonçalves
The objective of this study was to investigate the effects of inhibiting the epidermal growth factor receptor (EGFR) pathway on meiosis blockage and resumption, mRNA expression of genes involved in oocyte maturation and cumulus expansion, and embryo development. Bovine cumulus-oocyte complexes (COCs) were cultured for 15 h in the presence of the EGFR inhibitor (AG1478) and follicular hemisections (FHS). Most of the oocytes (89.3%) remained at the germinal vesicle (GV) stage when cultured in the presence of FHS and 5 μM AG1478...
May 23, 2017: Theriogenology
https://www.readbyqxmd.com/read/28706001/aspirin-as-a-cox-inhibitor-and-anti-inflammatory-drug-in-human-skeletal-muscle
#14
Steve M Ratchford, Kaleen M Lavin, Ryan K Perkins, Bozena Jemiolo, Scott W Trappe, Todd A Trappe
Although aspirin is one of the most common anti-inflammatory drugs in the world, the effect of aspirin on human skeletal muscle inflammation is almost completely unknown. This study examined the potential effects and related time course of an orally consumed aspirin dose on the inflammatory PGE2/COX pathway in human skeletal muscle. Skeletal muscle biopsies were taken from the vastus lateralis of 10 healthy adults (5M/5F, 25±2y) before and 2, 4, and 24h after consuming a standard dose of aspirin (975mg) and partitioned for analysis of 1) in vivo PGE2 levels in resting skeletal muscle and 2) ex vivo skeletal muscle PGE2 production when stimulated with the COX substrate arachidonic acid (5μM)...
July 13, 2017: Journal of Applied Physiology
https://www.readbyqxmd.com/read/28701311/pge2-upregulates-renin-through-e-prostanoid-receptor-1-via-pkc-camp-creb-pathway-in-m-1-cells
#15
Alexis A Gonzalez, Nicolas Salinas-Parra, Dan Leach, L Gabriel Navar, Minolfa C Prieto
During the early phase of angiotensin (ANG) II-dependent hypertension tubular prostaglandin E2 (PGE2) is increased. Renin synthesis and secretion in the collecting duct (CD) is upregulated by ANGII contributing to further intratubular ANGII formation. However, what happens first and whether the triggering mechanism is independent of tubular ANGII, remain unknown. PGE2 stimulates renin synthesis in juxtaglomerular (JG) cells via E-prostanoid (EP) receptors through cAMP/CREB pathway. EP receptors are also expressed in the CD...
July 12, 2017: American Journal of Physiology. Renal Physiology
https://www.readbyqxmd.com/read/28701056/effects-of-polyhexamethylene-guanidine-phosphate-on-human-gingival-fibroblasts
#16
Anton Vitt, Veronica Slizen, Elisabeth A Boström, Tülay Yucel-Lindberg, Anna Kats, Rachael V Sugars, Anders Gustafsson, Kåre Buhlin
OBJECTIVE: Polyhexamethylene guanidine phosphate (PHMG-P) was compared to chlorhexidine (CHX) in order to determine potential cytotoxic and immune-modulatory effects on human gingival fibroblasts. MATERIALS AND METHODS: Cytotoxic effects of PHMG-P and CHX on human gingival fibroblasts were assessed using cell viability assay at various time points and concentrations. The effects of PHMG-P and CHX on the secretion of prostaglandin (PG) E2, interleukin (IL)-6, IL-8 and matrix metalloproteinase (MMP)-1 by non-stimulated or IL-1β stimulated fibroblasts were evaluated by enzyme-linked immunosorbent assays...
July 12, 2017: Acta Odontologica Scandinavica
https://www.readbyqxmd.com/read/28700713/increased-urinary-prostaglandin-e2-metabolite-a-potential-therapeutic-target-of-gitelman-syndrome
#17
Xiaoyan Peng, Lanping Jiang, Chen Chen, Yan Qin, Tao Yuan, Ou Wang, Xiaoping Xing, Xuemei Li, Min Nie, Limeng Chen
BACKGROUND: Gitelman syndrome (GS), an inherited autosomal recessive salt-losing renal tubulopathy caused by mutations in SLC12A3 gene, has been associated with normal prostaglandin E2 (PGE2) levels since 1995 by a study involving 11 clinically diagnosed patients. However, it is difficult to explain why cyclooxygenase-2 (COX2) inhibitors, which pharmacologically reduce PGE2 synthesis, are helpful to patients with GS, and few studies performed in the last 20 years have measured PGE2 levels...
2017: PloS One
https://www.readbyqxmd.com/read/28699682/2-3-7-8-tetrachlorodibenzo-p-dioxin-promotes-endothelial-cell-apoptosis-through-activation-of-ep3-p38mapk-bcl-2-pathway
#18
Yu Yu, Qian Liu, Shumin Guo, Qianqian Zhang, Juan Tang, Guizhu Liu, Deping Kong, Juanjuan Li, Shuai Yan, Ruiguo Wang, Peilong Wang, Xiaoou Su, Ying Yu
Endothelial injury or dysfunction is an early event in the pathogenesis of atherosclerosis. Epidemiological and animal studies have shown that 2, 3, 7, 8-tetrachlorodibenzo-p-dioxin (TCDD) exposure increases morbidity and mortality from chronic cardiovascular diseases, including atherosclerosis. However, whether or how TCDD exposure causes endothelial injury or dysfunction remains largely unknown. Cultured human umbilical vein endothelial cells (HUVECs) were exposed to different doses of TCDD, and cell apoptosis was examined...
July 12, 2017: Journal of Cellular and Molecular Medicine
https://www.readbyqxmd.com/read/28697535/cancer-stem-cells-and-epithelial-mesenchymal-transition-in-urothelial-carcinoma-possible-pathways-and-potential-therapeutic-approaches
#19
REVIEW
Dong Fang, Hiroshi Kitamura
There is growing evidence of the presence of cancer stem cells in urothelial carcinoma. Cancer stem cells have the ability to self-renew and to differentiate into all cell types of the original heterogeneous tumor. A panel of diverse cancer stem cell markers might be suitable for simulation studies of urothelial cancer stem cells and for the development of optimized treatment protocols. The present review focuses on the advances in recognizing the markers of urothelial cancer stem cells and possible therapeutic targets...
July 11, 2017: International Journal of Urology: Official Journal of the Japanese Urological Association
https://www.readbyqxmd.com/read/28695367/paeonol-inhibits-il-1%C3%AE-induced-inflammation-via-pi3k-akt-nf-%C3%AE%C2%BAb-pathways-in-vivo-and-vitro-studies
#20
Yiting Lou, Chenggui Wang, Qian Tang, Wenhao Zheng, Zhenhua Feng, Xingfang Yu, Xiaoshan Guo, Jianshun Wang
Paeonol, the main active component isolated from the root of Paeonia suffruticosa, has been reported to have anti-inflammatory properties. However, the effects of paeonol on osteoarthritis (OA) remain unclear. The aim of this study was to investigate the anti-inflammatory effects and mechanism of paeonol in IL-1β-induced human OA chondrocytes as well as mice OA models. Human OA chondrocytes were pretreated with different concentrations of paeonol 2 h prior to IL-1β (10 ng/mL) stimulation for 24 h. Nitric oxide (NO) production was determined by Griess method...
July 10, 2017: Inflammation
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