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https://www.readbyqxmd.com/read/29145182/pathological-yawning-laughing-and-crying
#1
Olivier Walusinski
Yawning, laughing, and crying are normal physiological behaviors of humans in good health. As with all physiological behaviors, their deregulation can reveal disorders. Pathological yawning occurs in salvos of 10-20 successive yawns, and the number of yawns per day can exceed one hundred. After listing the functional etiologies, we will give the clinical keys for differentiating the most serious causes: iatrogenic, tumors, strokes, amyotrophic lateral sclerosis, and intracranial hypertension. Sudden, uncontrollable episodes of emotional display involving pathological laughing and crying (PLC) may be encountered in various neurological diseases: amyotrophic lateral sclerosis, multiple system atrophy (cerebellar), cerebrovascular disease, traumatic brain injuries, mass lesions in the cerebellopontine junction, and epilepsy...
2018: Frontiers of Neurology and Neuroscience
https://www.readbyqxmd.com/read/29144032/microrna-106b-overexpression-alleviates-inflammation-injury-of-cardiac-endothelial-cells-by-targeting-blnk-via-the-nf-%C3%AE%C2%BAb-signaling-pathway
#2
Zhe An, Guang Yang, Wei Nie, Jin Ren, Dan Wang
We aim to investigate whether microRNA-106b (miR-106b) affects the inflammation injury of cardiac endothelial cells (ECs) by targeting B-cell linker (BLNK) via the NF-κB signaling pathway. Human cardiac microvascular endothelial cells (HCMECs) were assigned into the control, hypoxia/reoxygenation (H/R), negative control (NC), pyrrolidine dithiocarbamate (PDTC), miR-106b mimic, miR-106b inhibitor, and si-BLNK and miR-106b inhibitor + si-BLNK groups. Quantitative real-time polymerase chain reaction (qRT-PCR) and Western blotting were conducted for miR-106b expression and expressions of BLNK, interleukin (IL)-6, IL-1β, tumor necrosis factor (TNF)-α, NF-κB, pIκBα, BTK, and PLC-γ2...
November 16, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/29142905/p-cadherin-cdh3-is-overexpressed-in-colorectal-tumors-and-has-potential-as-a-serum-marker-for-colorectal-cancer-monitoring
#3
H M C Shantha Kumara, Geoffrey A Bellini, Otavia L Caballero, Sonali A C Herath, Tao Su, Aqeel Ahmed, Linda Njoh, Vesna Cekic, Richard L Whelan
Introduction: Placental-Cadherin (CDH3) is a cell adhesion molecule vital to cellular localization and tissue integrity. It is highly expressed in the placenta (PLC)and is overexpressed by many types of cancer. P-cadherin levels in colorectal cancer (CRC) remains poorly characterized. This study's purpose was to determine P-cadherin expression in CRC and normal tissues and to assess plasma CDH3 levels in order to determine the relationship, if any, between cancer stage, P-cadherin expression and plasma CDH3 levels...
September 2017: Oncoscience
https://www.readbyqxmd.com/read/29131529/clinicopathological-characteristics-and-survival-outcomes-in-pleomorphic-lobular-breast-carcinoma-of-the-breast-a-seer-population-based-study
#4
Li-Peng Yang, He-Fen Sun, Yang Zhao, Meng-Ting Chen, Nong Zhang, Wei Jin
The purpose of this study was to explore the clinicopathological features and survival outcome of pleomorphic lobular carcinoma (PLC) of breast, we identified 131 PLC patients and 460,109 invasive ductal carcinoma (IDC) patients in the Surveillance, Epidemiology, and End Result (SEER) database. PLCs presented with increased lymph node involvement, older age, higher AJCC stage and grade, and lower median survival months (PLC 84 ± 51.03 vs. IDC 105.2 ± 64.39 P < 0.01). Compared to IDC patients, PLC patients were more inclined to be treated with mastectomy...
November 13, 2017: Cancer Medicine
https://www.readbyqxmd.com/read/29131160/human-primary-liver-cancer-derived-organoid-cultures-for-disease-modeling-and-drug-screening
#5
Laura Broutier, Gianmarco Mastrogiovanni, Monique Ma Verstegen, Hayley E Francies, Lena Morrill Gavarró, Charles R Bradshaw, George E Allen, Robert Arnes-Benito, Olga Sidorova, Marcia P Gaspersz, Nikitas Georgakopoulos, Bon-Kyoung Koo, Sabine Dietmann, Susan E Davies, Raaj K Praseedom, Ruby Lieshout, Jan N M IJzermans, Stephen J Wigmore, Kourosh Saeb-Parsy, Mathew J Garnett, Luc Jw van der Laan, Meritxell Huch
Human liver cancer research currently lacks in vitro models that can faithfully recapitulate the pathophysiology of the original tumor. We recently described a novel, near-physiological organoid culture system, wherein primary human healthy liver cells form long-term expanding organoids that retain liver tissue function and genetic stability. Here we extend this culture system to the propagation of primary liver cancer (PLC) organoids from three of the most common PLC subtypes: hepatocellular carcinoma (HCC), cholangiocarcinoma (CC) and combined HCC/CC (CHC) tumors...
November 13, 2017: Nature Medicine
https://www.readbyqxmd.com/read/29131001/atorvastatin-calcium-inhibits-pdgf-%C3%AE-%C3%AE-induced-proliferation-and-migration-of-vsmcs-through-the-g0-g1-cell-cycle-arrest-and-suppression-of-activated-pdgfr%C3%AE-pi3k-akt-signaling-cascade
#6
Shuang Chen, Siyuan Dong, Zhao Li, Xiaofan Guo, Naijin Zhang, Bo Yu, Yingxian Sun
BACKGROUND/AIMS: Abnormal proliferation of vascular smooth muscle cells (VSMCs) is a hallmark of vascular lesions, such as atherosclerosis and restenosis. PDGF-ββ, an isoform of PDGF (platelet-derived growth factor), has been demonstrated to induce proliferation and migration of VSMCs. Atorvastatin calcium, a selective inhibitor of 3-hydroxy-3-methylglutaryl coenzyme A (HMG-CoA) reductase, has favorable protective effects on VSMCs. This study examined the effects of atorvastatin calcium on the proliferation and migration of PDGF-ββ-treated VSMCs, as well as its underlying mechanisms...
November 9, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/29125839/csseverin-inhibits-apoptosis-through-mitochondria-mediated-pathways-triggered-by-ca2-dyshomeostasis-in-hepatocarcinoma-plc-cells
#7
Mengchen Shi, Lina Zhou, Lu Zhao, Mei Shang, Tongtong He, Zeli Tang, Hengchang Sun, Pengli Ren, Zhipeng Lin, Tingjin Chen, Jinyun Yu, Jin Xu, Xinbing Yu, Yan Huang
BACKGROUND: Numerous experimental and epidemiological studies have demonstrated a link between Clonorchis sinensis (C. sinensis) infestation and cholangiocarcinoma (CCA) as well as hepatocellular carcinoma (HCC). The underlying molecular mechanism involved in the malignancy of CCA and HCC has not yet been addressed. Csseverin, a component of the excretory/secretory products of C. sinensis (CsESPs), was confirmed to cause obvious apoptotic inhibition in the human HCC cell line PLC. However, the antiapoptotic mechanism is unclear...
November 10, 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/29119284/unusual-combined-pcl-and-plc-pediatric-multiligamentous-knee-injury-treated-with-ligament-repair-procedure
#8
Travis S Roth, Daryl C Osbahr, Stanley J Kupiszewski
No abstract text is available yet for this article.
November 8, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/29115528/plcd3-a-flotillin2-interacting-protein-is-involved-in-proliferation-migration-and-invasion-of-nasopharyngeal-carcinoma-cells
#9
Weidong Liu, Xuxu Liu, Lei Wang, Bin Zhu, Chang Zhang, Wei Jia, Hecheng Zhu, Xingdong Liu, Meizuo Zhong, Dan Xie, Yanyu Liu, Shasha Li, Jia Shi, Jianxing Lin, Xiaomeng Xia, Xingjun Jiang, Caiping Ren
Phospholipase C (PLC) is a pivotal enzyme in the phosphoinositide pathway that promotes the second messengers, diacylglycerol (DAG) and inositol 1,4,5-trisphosphate (IP3), to participate in eukaryotic signal transduction. Several PLC isozymes are associated with cancer, such as PLC-β1, PLC-δ1, PLC-ε and PLC-γ1. However, the role of PLC-δ3 (PLCD3) in nasopharyngeal carcinoma (NPC) has not been investigated to date. In our previous study, we demonstrated that flotillin2 (Flot2) plays a pro-neoplastic role in NPC and is involved in tumour progression and metastasis...
November 6, 2017: Oncology Reports
https://www.readbyqxmd.com/read/29115500/roles-and-mechanisms-of-trpc3-and-the-plc%C3%AE-pkc-cpi-17-signaling-pathway-in-regulating-parturition
#10
Jing Chen, Dongming Zheng, Hong Cui, Sishi Liu, Lijuan Zhang, Caixia Liu
The aim of the current study was to investigate the role of phospholipase C (PLC)γ/protein kinase C (PKC)/C‑kinase‑activated protein phosphatase‑1 (CPI‑17) signaling pathways in uterine smooth muscle during parturition. Samples of uterine tissue were collected from pregnant patients who underwent a caesarean section for preterm delivery, full‑term delivery with labor onset, full‑term delivery without labor onset, and from a non‑pregnant control group undergoing surgery for cervical intraepithelial neoplasia III...
November 7, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29114002/sdf-1%C3%AE-stromal-cell-derived-factor-1%C3%AE-induces-cardiac-fibroblasts-renal-microvascular-smooth-muscle-cells-and-glomerular-mesangial-cells-to-proliferate-cause-hypertrophy-and-produce-collagen
#11
Edwin K Jackson, Yumeng Zhang, Delbert D Gillespie, Xiao Zhu, Dongmei Cheng, Travis C Jackson
BACKGROUND: Activated cardiac fibroblasts (CFs), preglomerular vascular smooth muscle cells (PGVSMCs), and glomerular mesangial cells (GMCs) proliferate, cause hypertrophy, and produce collagen; in this way, activated CFs contribute to cardiac fibrosis, and activated PGVSMCs and GMCs promote renal fibrosis. In heart and kidney diseases, SDF-1α (stromal cell-derived factor 1α; endogenous CXCR4 [C-X-C motif chemokine receptor 4] receptor agonist) levels are often elevated; therefore, it is important to know whether and how the SDF-1α/CXCR4 axis activates CFs, PGVSMCs, or GMCs...
November 7, 2017: Journal of the American Heart Association
https://www.readbyqxmd.com/read/29113314/glypican-3-induces-oncogenicity-by-preventing-igf-1r-degradation-a-process-that-can-be-blocked-by-grb10
#12
Wei Cheng, Po-Chun Huang, Hsiao-Mei Chao, Yung-Ming Jeng, Hey-Chi Hsu, Hung-Wei Pan, Wuh-Liang Hwu, Yu-May Lee
Hepatocellular carcinoma (HCC) is the most common primary liver malignancy and is a major cause of cancer-related death worldwide. Previously, we demonstrated that glypican-3 (GPC3) is highly expressed in HCC, and that GPC3 induces oncogenicity and promotes the growth of cancer cells through IGF-1 receptor (IGF-1R). In the present study, we investigated the mechanisms of GPC3-mediated enhancement of IGF-1R signaling. We demonstrated that GPC3 decreased IGF-1-induced IGF-1R ubiquitination and degradation and increased c-Myc protein levels...
October 6, 2017: Oncotarget
https://www.readbyqxmd.com/read/29107940/structure-of-the-human-mhc-i-peptide-loading-complex
#13
Andreas Blees, Dovile Januliene, Tommy Hofmann, Nicole Koller, Carla Schmidt, Simon Trowitzsch, Arne Moeller, Robert Tampé
The peptide-loading complex (PLC) is a transient, multisubunit membrane complex in the endoplasmic reticulum that is essential for establishing a hierarchical immune response. The PLC coordinates peptide translocation into the endoplasmic reticulum with loading and editing of major histocompatibility complex class I (MHC-I) molecules. After final proofreading in the PLC, stable peptide-MHC-I complexes are released to the cell surface to evoke a T-cell response against infected or malignant cells. Sampling of different MHC-I allomorphs requires the precise coordination of seven different subunits in a single macromolecular assembly, including the transporter associated with antigen processing (TAP1 and TAP2, jointly referred to as TAP), the oxidoreductase ERp57, the MHC-I heterodimer, and the chaperones tapasin and calreticulin...
November 6, 2017: Nature
https://www.readbyqxmd.com/read/29107806/chronic-hyperammonemia-alters-in-opposite-ways-membrane-expression-of-glua1-and-glua2-ampa-receptor-subunits-in-cerebellum-molecular-mechanisms-involved
#14
Andrea Cabrera-Pastor, Lucas Taoro-González, Esperanza López-Merino, Ferran Celma, Marta Llansola, Vicente Felipo
Hyperammonemia contributes to altered neurotransmission and cognition in patients with hepatic encephalopathy. Hyperammonemia in rats affects differently high- and low-affinity AMPA receptors (AMPARs) in cerebellum. We hypothesized that hyperammonemia would alter differently membrane expression of AMPARs GluA1 and GluA2 subunits by altering its phosphorylation. This work aims were: 1) assess if hyperammonemia alters GluA1 and GluA2 subunits membrane expression in cerebellum and 2) analyze the underlying mechanisms...
October 28, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/29100630/stress-promotes-drug-seeking-through-glucocorticoid-dependent-endocannabinoid-mobilization-in-the-prelimbic-cortex
#15
Jayme R McReynolds, Elizabeth M Doncheck, Yan Li, Oliver Vranjkovic, Evan N Graf, Daisuke Ogasawara, Benjamin F Cravatt, David A Baker, Qing-Song Liu, Cecilia J Hillard, John R Mantsch
BACKGROUND: Clinical reports suggest that rather than directly driving cocaine use, stress may create a biological context within which other triggers for drug use become more potent. We hypothesize that stress-induced increases in corticosterone "set the stage" for relapse by promoting endocannabinoid-induced attenuation of inhibitory transmission in the prelimbic cortex (PL). METHODS: We have established a rat model for these stage-setting effects of stress. In this model, neither a stressor (electric footshock) nor stress-level corticosterone treatment alone reinstates cocaine seeking following self-administration and extinction, but each treatment potentiates reinstatement in response to an otherwise subthreshold cocaine priming dose (2...
October 6, 2017: Biological Psychiatry
https://www.readbyqxmd.com/read/29098568/the-signaling-of-protease-activated-receptor-2-activating-peptide-induced-contraction-in-cat-esophageal-smooth-muscle-cells
#16
Hyun Su Ha, Se Eun Lee, Hyun Seok Lee, Gil Hyung Kim, Chan Jong Yoon, Jong Soo Han, Ji-Yun Lee, Uy Dong Sohn
Protease-activated receptors (PARs) are a family of G protein-coupled receptors with a unique activation mechanism involving proteolytic cleavage of the extracellular N-terminal domain of the receptor. PAR2 has a contractile effect on esophageal smooth muscle. We investigate the signaling pathways of the PAR2-activating peptide (PAR2-AP) induced contraction in cat esophageal smooth muscle cells. The length of freshly isolated smooth muscle cells and permeabilized cells from feline esophagus were measured by scanning micrometry, and by confirming molecular basis via western blot analysis...
November 2, 2017: Archives of Pharmacal Research
https://www.readbyqxmd.com/read/29097128/characteristics-and-synergistic-effects-of-co-combustion-of-carbonaceous-wastes-with-coal
#17
Sermin Onenc, Stefan Retschitzegger, Nikola Evic, Norbert Kienzl, Jale Yanik
This study presents combustion behavior and emission results obtained for different fuels: poultry litter (PL) and its char (PLC), scrap tires (ST) and its char (STC) and blends of char/lignite (PLC/LIG and STC/LIG). The combustion parameters and emissions were investigated via a non-isothermal thermogravimetric method and experiments in a lab-scale reactor. Fuel indexes were used for the prediction of high temperature corrosion risks and slagging potentials of the fuels used. The addition of chars to lignite caused a lowering of the combustion reactivity (anti-synergistic effect)...
October 31, 2017: Waste Management
https://www.readbyqxmd.com/read/29075359/silencing-hoxd10-by-promoter-region-hypermethylation-activates-erk-signaling-in-hepatocellular-carcinoma
#18
Yulin Guo, Yaojun Peng, Dan Gao, Meiying Zhang, Weili Yang, Enqiang Linghu, James G Herman, François Fuks, Guanglong Dong, Mingzhou Guo
BACKGROUND: Hepatocellular carcinoma is the fifth most common malignancy and the third leading cause of cancer-related death worldwide. Dysregulation of HomeoboxD10 (HOXD10) was found to suppress or promote cancer progression in different cancer types. The function and regulation of HOXD10 remain unclear in human hepatocellular carcinoma (HCC). METHODS: Primary HCC samples (117), normal liver tissue samples (15), and 13 HCC cell lines (SNU182, SNU449, HBXF344, SMMC7721, Huh7, HepG2, LM3, PLC/PRF/5, BEL7402, SNU387, SNU475, QGY7703, and Huh1) were included in this study...
2017: Clinical Epigenetics
https://www.readbyqxmd.com/read/29075151/sporadic-pcdh18-somatic-mutations-in-epcam-positive-hepatocellular-carcinoma
#19
Takehiro Hayashi, Taro Yamashita, Hikari Okada, Kouki Nio, Yasumasa Hara, Yoshimoto Nomura, Tomoyuki Hayashi, Yoshiro Asahina, Mariko Yoshida, Naoki Oishi, Hajime Sunagozaka, Hajime Takatori, Masao Honda, Shuichi Kaneko
BACKGROUND: The relationship between specific genome alterations and hepatocellular carcinoma (HCC) cancer stem cells (CSCs) remains unclear. In this study, we evaluated the relationship between somatic mutations and epithelial cell adhesion molecule positive (EpCAM(+)) CSCs. METHODS: Two patient-derived HCC samples (HCC1 and HCC2) were sorted by EpCAM expression and analyzed by whole exome sequence. We measured PCDH18 expression level in eight HCC cell lines as well as HCC1 and HCC2 by real-time quantitative RT-PCR...
2017: Cancer Cell International
https://www.readbyqxmd.com/read/29072394/evaluation-on-efficacy-and-safety-of-arsenic-trioxide-plus-transcatheter-arterial-chemoembolization-versus-transcatheter-arterial-chemoembolization-alone-for-unresectable-primary-liver-cancer
#20
Haitao Yang, Sijing Zhou, Ruifen Shen, Shuimei Luo, Lina Li, Heng Lin, Huijuan Chen, Ziyuan Liao, Wanzun Lin, Xianhe Xie
Currently, some clinical trials of arsenic trioxide (As203) plus transcatheter arterial chemoembolization (TACE) in the treatment of unresectable primary liver cancer (PLC) had been conducted, but the results were controversial. Therefore, we performed a meta-analysis on 14 clinical trials (1076 cases) to evaluate efficacy and safety of As203 plus TACE versus TACE alone for unresectable PLC. The primary end points included objective response rate (ORR), karnofsky performance score (KPS) improvement rate, and 1-year survival rate...
October 26, 2017: Asian Pacific Journal of Cancer Prevention: APJCP
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