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https://www.readbyqxmd.com/read/28636988/role-of-the-jak2-stat3-signaling-pathway-in-the-pathogenesis-of-type-2-diabetes-mellitus-with-macrovascular-complications
#1
Mengxue Yang, Mei Tian, Xuan Zhang, Jie Xu, Bo Yang, Jie Yu, Fengping Li, Ya Li, Sicheng Li, Xianwen Li
This study investigated the role of the JAK2/STAT3/SOCS pathway in type 2 diabetes mellitus (T2DM) and macrovascular complications (DV) (T2DM+DV) conditions. Human umbilical vein endothelial cells (HUVECs) were co-cultured with human monocytes (THP-1) and exposed to peripheral blood sera from 30 T2DM patients, 30 patients with T2DM+DV and 30 healthy controls; the groups were divided into the control, T2DM, DV, T2DM+AG490 and DV+AG490 groups. Chemotaxis of treated HUVECs toward THP-1 cells was assessed using Transwell migration...
June 16, 2017: Oncotarget
https://www.readbyqxmd.com/read/28636545/reversal-effect-of-jagged1-signaling-inhibition-on-ccl4-induced-hepatic-fibrosis-in-rats
#2
Guiju Tang, Zhihong Weng, Jun Song, Yixiong Chen
The role of the Notch ligand Jagged1 in hepatic fibrosis remains to be elucidated. In the current study, we investigated the role of Jagged1 in the activation of hepatic stellate cells (HSCs) and development of hepatic fibrosis in rats. In vitro, Jagged1 in HSCs was downregulated and upregulated by Jagged1 siRNA and pcDNA3.1 Jagged1, respectively. The levels of epithelial-mesenchymal transition (EMT) markers and HSC activation markers were assessed using western blot analysis. The proliferation and migration capacity of HSCs were assessed using 5-ethynyl-2'-deoxyuridine (EdU) incorporation and Transwell migration assays...
June 15, 2017: Oncotarget
https://www.readbyqxmd.com/read/28636539/chromatin-remodeling-protein-morc2-promotes-breast-cancer-invasion-and-metastasis-through-a-prd-domain-mediated-interaction-with-ctnnd1
#3
Xiao-Hong Liao, Ye Zhang, Wen-Jie Dong, Zhi-Min Shao, Da-Qiang Li
MORC family CW-type zinc finger 2 (MORC2) is a newly identified chromatin remodeling protein with emerging roles in the regulation of DNA damage response and gene transcription, but its mechanistic role in breast cancer development and progression remains unexplored. Here, we show that MORC2 promoted breast cancer invasion and metastasis and these effects depended on a proline-rich domain (PRD) within its carboxy-terminal region spanning residues 601-734. Induced expression of wild-type MORC2 did not significantly affect cell proliferation and cell-cycle progression, but promoted breast cancer cell migration and invasion in vitro and metastatic lung colonization in vivo...
June 16, 2017: Oncotarget
https://www.readbyqxmd.com/read/28636531/nedd9-an-independent-good-prognostic-factor-in-intermediaterisk-acute-myeloid-leukemia-patients
#4
Victor Pallarès, Montserrat Hoyos, M Carmen Chillón, Eva Barragán, M Isabel Prieto Conde, Marta Llop, María Virtudes Céspedes, Josep F Nomdedeu, Salut Brunet, Miguel Ángel Sanz, Marcos González-Díaz, Jorge Sierra, Isolda Casanova, Ramon Mangues
Intermediate-risk acute myeloid leukemia (IR-AML) is the largest subgroup of AML patients and is highly heterogeneous. Whereas adverse and favourable risk patients have well-established treatment protocols, IR-AML patients have not. It is, therefore, crucial to find novel factors that stratify this subgroup to implement risk-adapted strategies. The CAS (Crk-associated substrate) adaptor protein family regulates cell proliferation, survival, migration and adhesion. Despite its association with metastatic dissemination and prognosis of different solid tumors, the role of these proteins in hematological malignancies has been scarcely evaluated...
June 16, 2017: Oncotarget
https://www.readbyqxmd.com/read/28635136/knockdown-of-tor-causing-ovarian-diapause-in-a-genetically-stable-brachypterous-strain-of-nilaparvata-lugens
#5
Fangzhou Liu, Kaiyin Li, Wanlun Cai, Jing Zhao, Yulan Zou, Hongxia Hua
Brown planthopper (BPH), Nilaparvata lugens (Stål) (Hemiptera: Delphacidae), is one of the most damaging pests of rice crops. BPH is a migratory insect with a delayed ovarian development in migrants classified as reproductive diapause. The molecular mechanism of reproductive diapause remains unclear, although we suspect it might be regulated by one or more nutrient signaling pathways. The target of rapamycin (TOR) pathway regulates cell growth in response to nutritional information, which raised a hypothesis that TOR mediates BPH reproductive diapause...
June 20, 2017: Archives of Insect Biochemistry and Physiology
https://www.readbyqxmd.com/read/28633032/animal-navigation-the-eel-s-magnetic-guide-to-the-gulf-stream
#6
Miguel Baltazar-Soares, Christophe Eizaguirre
The geographic distribution of migratory species can span thousands of kilometers. Yet, traits that enable large-scale migrations are poorly understood. A recent study demonstrates that juvenile eels use the Earth's magnetism for their dispersal, with possible implications for their evolution.
June 19, 2017: Current Biology: CB
https://www.readbyqxmd.com/read/28632771/avian-influenza-in-latin-america-a-systematic-review-of-serological-and-molecular-studies-from-2000-2015
#7
Alejandra Afanador-Villamizar, Carlos Gomez-Romero, Andres Diaz, Julian Ruiz-Saenz
Avian influenza or bird flu is a highly contagious acute viral disease that can occur in epidemics and cross-border forms in poultry and wild birds. The characteristics of avian influenza viruses (AIVs) allow the emergence of new viral variants, some with zoonotic and pandemic potential. AIVs have been identified in Latin America; however, there is a lack of understanding of these viruses at the regional level. We performed a systematic literature review on serological or molecular evidence of AIVs circulation in Latin America...
2017: PloS One
https://www.readbyqxmd.com/read/28632033/overexpression-of-alk5-induces-human-tenon-s-capsule-fibroblasts-transdifferentiation-and-fibrosis-in-vitro
#8
Shu-Hao Fu, Hui-Ying Wang, Jia-Ying Zhang, Hui-Min Shi, Nan Zhang, Wen Ye, Yi-Qin Xiao
PURPOSE: To investigate the involvement of activin receptor-like kinase 5 (ALK5) in human Tenon's capsule fibroblasts (HTFs) transdifferentiation and fibrosis. METHODS: (1) Cultured HTFs were treated with transforming growth factor beta 1 (TGF-β1) at different concentrations for different durations, mRNA expression of ALK5 and plasminogen activator inhibitor-1 (PAI-1) was measured by quantitative polymerase chain reaction (PCR) while protein expression of ALK5, α-smooth muscle actin (α-SMA), and extracellular matrix deposition including fibronectin (FN) and collagen I (Col1) was assessed by western blot...
February 28, 2017: Current Eye Research
https://www.readbyqxmd.com/read/28630330/annual-mass-drownings-of-the-serengeti-wildebeest-migration-influence-nutrient-cycling-and-storage-in-the-mara-river
#9
Amanda L Subalusky, Christopher L Dutton, Emma J Rosi, David M Post
The annual migration of ∼1.2 million wildebeest (Connochaetes taurinus) through the Serengeti Mara Ecosystem is the largest remaining overland migration in the world. One of the most iconic portions of their migration is crossing of the Mara River, during which thousands drown annually. These mass drownings have been noted, but their frequency, size, and impact on aquatic ecosystems have not been quantified. Here, we estimate the frequency and size of mass drownings in the Mara River and model the fate of carcass nutrients through the river ecosystem...
June 19, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28630012/assessing-passeriforme-health-in-south-texas-via-select-venous-analytes
#10
J Pistone, J J Heatley, T A Campbell, G Voelker
The handheld point of care analyzer is a quick and feasible option to obtain hematology data from individuals. The iSTAT-1® was used to evaluate select venous blood analytes obtained via jugular venipuncture from 238 passerine birds from South Texas. These data were used to assess the health of birds in the area while taking into consideration life history (migratory or sedentary), locale, seasonality, sex, and age. We attributed increased values of pO2 and hematocrit, in addition to hemoglobin and glucose concentrations of migratory birds compared to sedentary birds as the increased need of oxygen carrying capacity and energy for long duration flights...
June 16, 2017: Comparative Biochemistry and Physiology. Part B, Biochemistry & Molecular Biology
https://www.readbyqxmd.com/read/28629162/promotion-of-tumor-invasion-by-tumor-associated-macrophages-the-role-of-csf-1-activated-phosphatidylinositol-3-kinase-and-src-family-kinase-motility-signaling
#11
REVIEW
Amy R Dwyer, Eloise L Greenland, Fiona J Pixley
Macrophages interact with cells in every organ to facilitate tissue development, function and repair. However, the close interaction between macrophages and parenchymal cells can be subverted in disease, particularly cancer. Motility is an essential capacity for macrophages to be able to carry out their various roles. In cancers, the macrophage's interstitial migratory ability is frequently co-opted by tumor cells to enable escape from the primary tumor and metastatic spread. Macrophage accumulation within and movement through a tumor is often stimulated by tumor cell production of the mononuclear phagocytic growth factor, colony-stimulating factor-1 (CSF-1)...
June 18, 2017: Cancers
https://www.readbyqxmd.com/read/28627650/the-inhibitory-effects-of-deep-sea-water-on-doxorubicin%C3%A2-induced-epithelial-mesenchymal-transition
#12
So-Young Chun, Soyoung Kim, Kyung-Soo Nam
It has been revealed that the induction of epithelial‑mesenchymal transition (EMT) is associated with drug resistance, leading to tumor recurrence and metastasis. Recent studies have shown that chemotherapeutic agents, besides their therapeutic effects, can induce EMT and enhance invasive and metastatic properties of tumor cells. Previously, we revealed that deep-sea water (DSW) exhibited antimetastatic effects in several human cancer cell lines. In the present study, we investigated the effects of DSW on doxorubicin-induced EMT in MCF-7 human breast cancer cells...
June 16, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28627617/sorafenib-controls-the-epithelial%C3%A2-mesenchymal-transition-of-ovarian-cancer-cells-via-egf-and-the-cd44%C3%A2-ha-signaling-pathway-in-a-cell-type%C3%A2-dependent-manner
#13
Ga Bin Park, Hyun-Suk Ko, Daejin Kim
Cluster of differentiation (CD) 44 and epidermal growth factor (EGF) are closely involved in cellular migration and have been used as stem cell markers. Although the hyaluronan (HA)‑binding CD44 is responsible for enhanced cellular motility, the mechanism underlying its actions in various cell types and clinical conditions have yet to be elucidated. In the present study, the multikinase inhibitor sorafenib was used to investigate the diverse effects of EGF stimulation on epithelial‑mesenchymal transition (EMT) in ovarian cancer cells using immunoblotting and reverse transcription‑polymerase chain reaction...
June 14, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28627240/quercetin-has-antimetastatic-effects-on-gastric-cancer-cells-via-the-interruption-of-upa-upar-function-by-modulating-nf-%C3%AE%C2%BAb-pkc-%C3%AE-erk1-2-and-ampk%C3%AE
#14
Hai Li, Chen Chen
Gastric cancer (GC) is a malignancy with few effective treatment options after metastasis occurs. Quercetin (Qu) intake has been associated with reduced incidence and slow development of GC, probably due to its anti-proliferative and apoptotic effects, but it is unclear whether Qu can inhibit the metastatic activity. The urokinase plasminogen activator (uPA)/uPA receptor (uPAR) system plays an important role in cancer metastasis. In this study, we measured both uPA activity and uPAR expression in GC and pericarcinous tissues, and we investigated the correlation between uPAR expression and the migratory and invasive activities of various GC cell lines...
March 1, 2017: Integrative Cancer Therapies
https://www.readbyqxmd.com/read/28627073/determination-of-radical-radical-distances-in-light-active-proteins-and-their-implication-for-biological-magnetoreception
#15
Daniel Nohr, Bernd Paulus, Ryan Rodriguez, Asako Okafuji, Robert Bittl, Erik Schleicher, Stefan Weber
Light-generated short-lived radial pairs have been suggested to play pivotal roles in cryptochromes and photolyases. Chryptochromes are very probably involved in magnetic compass sensing in migratory birds and the magnetic-field-dependent behavior of insects. We examined photo-generated transient states in the cryptochrome of Drosophila melanogaster and in the structurally related DNA-repair enzyme Escherichia coli DNA photolyase. Using pulsed EPR spectroscopy, the exchange and dipolar contributions to the electron spin-spin interaction were determined in a straightforward and direct way...
June 19, 2017: Angewandte Chemie
https://www.readbyqxmd.com/read/28627055/cholelithiasis-in-adult-bearded-dragons-retrospective-study-of-nine-adult-bearded-dragons-pogona-vitticeps-with-cholelithiasis-between-2013-and-2015-in-southern-germany
#16
A Gimmel, H Kempf, S Öfner, D Müller, A Liesegang
With an increased number of pet reptiles, many diseases occur due to nutritional disorders. Between 2013 and 2015, irregular gallbladder contents (sludge/choleliths) in adult bearded dragons (Pogona vitticeps) were recorded in many of the routinely conducted necropsies at the reptile rescue station in Munich (Auffangstation für Reptilien, München e.V., Munich, Germany). Nine animals, six from the rescue station and three from an associated veterinary practice (Tierärztliche Praxis für Exoten, Augsburg, Germany), were studied...
June 2017: Journal of Animal Physiology and Animal Nutrition
https://www.readbyqxmd.com/read/28625402/comparison-between-catheter-based-delivery-of-paclitaxel-after-bare-metal-stenting-and-drug-eluting-stents-in-coronary-artery-disease-patients-at-high-risk-for-in-stent-restenosis
#17
Mostafa El-Mokadem, Mohamed El-Ramly, Amr Hassan, Hesham Boshra, Amir AbdelWahab
BACKGROUND: Drug eluting stents reduce the risk of in-stent restenosis but delay healing of the vascular wall. Recent data on late and very late stent thrombosis after drug-eluting stent (DES) implantation have raised concerns about the long-term safety. High lipophilicity of paclitaxel promotes rapid cellular uptake and prolongs its action. This makes paclitaxel a very promising candidate for local drug therapy intended to inhibit the proliferative and migratory processes involved in restenosis following PCI...
May 31, 2017: Cardiovascular Revascularization Medicine: Including Molecular Interventions
https://www.readbyqxmd.com/read/28624784/mitochondrial-pyruvate-carrier-function-determines-cell-stemness-and-metabolic-reprogramming-in-cancer-cells
#18
Xiaoli Li, Gaoyang Han, Xiaoran Li, Quancheng Kan, Zhirui Fan, Yaqing Li, Yasai Ji, Jing Zhao, Mingzhi Zhang, Mantas Grigalavicius, Viktor Berge, Mariusz Adam Goscinski, Jahn M Nesland, Zhenhe Suo
One of the remarkable features of cancer cells is aerobic glycolysis, a phenomenon known as the "Warburg Effect", in which cells rely preferentially on glycolysis instead of oxidative phosphorylation (OXPHOS) as the main energy source even in the presence of high oxygen tension. Cells with dysfunctional mitochondria are unable to generate sufficient ATP from mitochondrial OXPHOS, and then are forced to rely on glycolysis for ATP generation. Here we report our results in a prostate cancer cell line in which the mitochondrial pyruvate carrier 1 (MPC1) gene was knockout...
May 25, 2017: Oncotarget
https://www.readbyqxmd.com/read/28624413/srsf3-regulated-mir-132-212-controls-cell-migration-and-invasion-by-targeting-yap1
#19
Hye Ree Kim, Su Jin Hwang, Chang Hoon Shin, Kyung Hee Choi, Takbum Ohn, Hyeon Ho Kim
Although SRSF3 (Serine/arginine-rich splicing factor 3) plays a significant role in various biological processes, many of its functions still remain unclear. More particularly, little is known about SRSF3's involvement in the regulation of miRNA. In this report, we found that invasive and migratory abilities were inhibited in SRSF3-silenced U2OS and HeLa cells. We also found that a knockdown of SRSF3 results in a decreased expression level of REST (RE1-silencing transcription factor). The silencing of REST increased the expression of primary miR-132/212 as well as their mature forms...
June 14, 2017: Experimental Cell Research
https://www.readbyqxmd.com/read/28624345/lamprey-neural-crest-migration-is-snail-dependent-and-occurs-without-a-differential-shift-in-cadherin-expression
#20
Joshua R York, Tian Yuan, Kevin Zehnder, David W McCauley
The acquisition of neural crest cells was a key step in the origin of the vertebrate body plan. An outstanding question is how neural crest cells acquired their ability to undergo an epithelial-mesenchymal transition (EMT) and migrate extensively throughout the vertebrate embryo. We tested if differential regulation of classical cadherins-a highly conserved feature of neural crest EMT and migration in jawed vertebrates-mediates these cellular behaviors in lamprey, a basal jawless vertebrate. Lamprey has single copies of the type I and type II classical cadherins (CadIA and CadIIA)...
June 14, 2017: Developmental Biology
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