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Peisheng Liang, Wangyong Zhu, Tianjun Lan, Qian Tao
Saliva secretion disorder is one of the most common symptoms in primary Sjögren syndrome (pSS). Salivary biomarkers related to saliva secretion disorder were identified in a pSS murine model, NOD/ShiLtJ mouse, using differential proteomic analysis. Candidate biomarkers were screened with Kyoto Encyclopedia of Genes and Genomes pathway analysis and validated in saliva and salivary glands by western blotting and immunohistochemistry (IHC). Biological functions were detected using ingenuity pathway analysis (IPA)...
March 12, 2018: Journal of Pharmaceutical and Biomedical Analysis
Timsy Uppal, Roni Sarkar, Ranjit Dhelaria, Subhash C Verma
Kaposi's sarcoma-associated herpesvirus or Human herpesvirus-8 (KSHV/HHV-8), an oncogenic human herpesvirus and the leading cause of cancer in HIV-infected individuals, is a major public health concern with recurring reports of epidemics on a global level. The early detection of KSHV virus and subsequent activation of the antiviral immune response by the host's immune system are crucial to prevent KSHV infection. The host's immune system is an evolutionary conserved system that provides the most important line of defense against invading microbial pathogens, including viruses...
March 20, 2018: Cancers
Soo-Min Lim, Eunju Kim, Jae-Ho Shin, Pu Reum Seok, Sangwon Jung, Sang-Ho Yoo, Yuri Kim
Obesity is a public concern and is responsible for various metabolic diseases. Xylobiose (XB), an alternative sweetener, is a major component of xylo-oligosaccharide. The purpose of this study was to investigate the effects of XB on obesity and its associated metabolic changes in related organs. For these studies, mice received a 60% high-fat diet supplemented with 15% d-xylose, 10% XB, or 15% XB as part of the total sucrose content of the diet for ten weeks. Body weight, fat and liver weights, fasting blood glucose, and blood lipids levels were significantly reduced with XB supplementation...
March 20, 2018: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
Jeffrey K Holden, Christian N Cunningham
The Hippo pathway is a critical transcriptional signaling pathway that regulates cell growth, proliferation and organ development. The transcriptional enhanced associate domain (TEAD) protein family consists of four paralogous transcription factors that function to modulate gene expression in response to the Hippo signaling pathway. Transcriptional activation of these proteins occurs upon binding to the co-activator YAP/TAZ whose entry into the nucleus is regulated by Lats1/2 kinase. In recent years, it has become apparent that the dysregulation and/or overexpression of Hippo pathway effectors is implicated in a wide range of cancers, including prostate, gastric and liver cancer...
March 20, 2018: Cancers
E K Hopper, L D Gonzalez
Human trafficking is a form of interpersonal trauma that has significant mental health impacts on survivors. This study examined psychological symptoms in 131 survivors of sex and labor trafficking, including people trafficked into or within the U.S. High rates of depression (71%) and PTSD (61%) were identified. Two thirds of survivors also met criteria for multiple categories of Complex PTSD (C-PTSD), including affect dysregulation and impulsivity; alterations in attention and consciousness; changes in interpersonal relationships; revictimization; somatic dysregulation; and alterations in self-perception...
March 20, 2018: Behavioral Medicine
Andreas Weber, Mareike Barth, Jessica Isabel Selig, Silja Raschke, Konstantinos Dakaras, Alexander Hof, Julia Hesse, Jürgen Schrader, Artur Lichtenberg, Payam Akhyari
Calcific aortic valve disease is an active disease process with lipoprotein deposition, chronic inflammation, and progressive leaflet degeneration. Expression of ectonucleotidases, a group of membrane-bound enzymes that regulate the metabolism of ATP and its metabolites, may coregulate the degeneration process of valvular interstitial cells (VICs). The aim of this study was to investigate the role of the enzymes of the purinergic system in the degeneration process of VICs. Ovine VICs were cultivated in vitro under different prodegenerative conditions and treated with inhibitors of ectonucleoside triphosphate diphosphohydrolase 1 (CD39)/ectonucleotide pyrophosphatase/phosphodiesterase 1 (ENPP1), and 5'-nucleotidase (CD73), as well as with adenosine and adenosine receptor agonists...
March 20, 2018: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
Ulkem Kocoglu Barlas, Hasan Serdar Kıhtır, Nilufer Goknar, Melike Ersoy, Nihal Akcay, Esra Sevketoglu
BACKGROUND: Hemolytic uremic syndrome (HUS) is a clinical syndrome characterized by hemolytic anemia, thrombocytopenia, and acute kidney injury. Atypical hemolytic uremic syndrome (aHUS) is a devastating disease with significant mortality and high risk of progression to end-stage kidney disease. It is mostly caused by dysregulation of the alternative complement pathway. Cobalamin C (Cbl C) defect is a genetic disorder of cobalamin metabolism and is a rare cause of HUS. CASE-DIAGNOSIS/TREATMENT: We present a 6-month-old male infant who was admitted to the pediatric intensive care unit (PICU) due to restlessness, severe hypertension, anemia, respiratory distress, and acute kidney injury...
March 20, 2018: Pediatric Nephrology: Journal of the International Pediatric Nephrology Association
Qian Zhou, Hui Zeng, Peng Ye, Yu Shi, Juan Guo, Xinghua Long
Increasing evidence has shown that the dysregulation of microRNAs (miRNAs) is associated with drug resistance. Fulvestrant and tamoxifen represent the major endocrine drugs for the treatment of breast cancer patients, and yet little is known about the biological mechanisms of acquiring resistance to fulvestrant and tamoxifen, let alone the differences between cell lines resistant to these two drugs. Exploration of the differential miRNA profiles between these two cell lines is a useful way to further clarify these resistance mechanisms...
March 19, 2018: Anti-cancer Drugs
Mariana Verdelho Machado, Anna Mae Diehl
Nonalcoholic fatty liver disease (NAFLD) encompasses a spectrum of obesity-associated liver diseases and it has become the major cause of cirrhosis in the Western world. The high prevalence of NAFLD-associated advanced liver disease reflects both the high prevalence of obesity-related fatty liver (hepatic steatosis) and the lack of specific treatments to prevent hepatic steatosis from progressing to more serious forms of liver damage, including nonalcoholic steatohepatitis (NASH), cirrhosis, and primary liver cancer...
March 20, 2018: Critical Reviews in Biochemistry and Molecular Biology
Tanja Čugura, Jakob Boh, Tomaž Zupanc, Peter Pregelj, Alja Videtič Paska
Dysregulations in serotonin neurotransmission can be a strong contributing factor in suicide and impulsive-aggressive personality traits. Victims of suicide form a heterogeneous group in terms of planning, lethality and number of used methods. In this study, we tested single nucleotide polymorphisms (SNPs) of the monoamine oxidase (MAO) A and B genes on the Slovenian population, which has one of the highest suicide rates in the world. Genotyping was performed on 77 victims of complex suicide, 406 victims of simple suicide and 289 controls...
March 20, 2018: International Journal of Legal Medicine
Hsin-Hua Li, Chih-Li Lin, Chien-Ning Huang
A growing body of evidence suggests that disruption of the homeostasis of lipid metabolism affects the pathogenesis of Alzheimer's disease (AD). In particular, dysregulation of cholesterol homeostasis in the brain has been reported to considerably increase the risk of developing AD. Thus, dysregulation of lipid homeostasis may increase the amyloid β (Aβ) levels by affecting amyloid precursor protein (APP) cleavage, which is the most important risk factor involved in the pathogenesis of AD. Previous research demonstrated that Aβ can trigger neuronal insulin resistance, which plays an important role in response to Aβ-induced neurotoxicity in AD...
February 2018: Neural Regeneration Research
Ji-Sun Kim, Hyunjung Lee, Chang Hwa Jung, Sung-Joon Lee, Tae-Youl Ha, Jiyun Ahn
Mitochondrial dysfunction is associated with insulin resistance. Although chicoric acid (CA) is known to have beneficial effects on insulin sensitivity, the involvement of mitochondrial function has not been elucidated yet. Here, we investigated the effect of CA on insulin resistance and mitochondrial dysfunction. In palmitate-induced insulin-resistant C2C12 myotubes, CA improved impaired glucose uptake and insulin signaling pathways, along with enhanced mitochondrial membrane potential and oxygen consumption...
March 20, 2018: Bioscience, Biotechnology, and Biochemistry
Ningyu Huang, Wenbo Lin, Xiuyu Shi, Tao Tao
AIM: To explore the independent prognostic value of STK24 expression in terms of overall survival and recurrence-free survival and the potential mechanisms of its dysregulation in non-small-cell lung adenocarcinoma. PATIENTS & METHODS: Data were from the Cancer Genome Atlas-lung adenocarcinoma. RESULTS: Increased STK24 expression was an independent prognostic indicator of unfavorable overall survival (Hazard ratio: 1.478; 95% CI: 1.149-1...
March 20, 2018: Future Oncology
Ewa Szczepanska-Sadowska, Katarzyna Czarzasta, Agnieszka Cudnoch-Jedrzejewska
PURPOSE OF REVIEW: In many instances, the renin-angiotensin system (RAS) and the vasopressinergic system (VPS) are jointly activated by the same stimuli and engaged in the regulation of the same processes. RECENT FINDINGS: Angiotensin II (Ang II) and arginine vasopressin (AVP), which are the main active compounds of the RAS and the VPS, interact at several levels. Firstly, Ang II, acting on AT1 receptors (AT1R), plays a significant role in the release of AVP from vasopressinergic neurons and AVP, stimulating V1a receptors (V1aR), regulates the release of renin in the kidney...
March 19, 2018: Current Hypertension Reports
Ping Luo, Xiaobo Feng, Wei Jing, Man Zhu, Nandi Li, Hu Zhou, Paul F Worley, Hongyan Chai, Jiancheng Tu
Background: Hepatocellular carcinoma (HCC) is a malignant tumor worldwide. Attributed to the lack of early diagnosis index, most patients are diagnosed in their late stage. Homer1, as a member of scaffold protein family, is made up of two different isoforms: Homer1a and Homer1b/c. More and more evidences show that Homer1 is dysregulated in cancers. Here, in this study, we investigated the expression profile, clinical, diagnostic and prognostic significance of Homer1 in hepatitis B virus-induced HCC (HBV-HCC)...
2018: Journal of Cancer
Ping Wang, Xiao-Min Liu, Lei Ding, Xin-Ju Zhang, Zhong-Liang Ma
MicroRNAs (miRNAs) are a class of single-stranded RNAs, 18-23 nucleotides in length that regulate gene expression at the post-transcriptional level. Dysregulation of miRNAs has been closely associated with the development of cancer. In the process of tumorigenesis, mammalian target of rapamycin (mTOR) plays important roles, and the mTOR signaling pathway is aberrant in various types of human cancers, including non-small cell lung cancer (NSCLC), breast cancer, prostate cancer, as well as others. However, the relationship between miRNAs and the mTOR signaling pathway is indistinct...
2018: Journal of Cancer
Chenghu Wang, Yi Zhou, Beibei Chen, Weiwei Yuan, Jinxi Huang
Tripartite motif containing 29 (TRIM29) dysregulation serves an important function in the progression of numerous types of cancer, but its function in the prognosis of patients with gastric cancer remains unknown. The present study assessed the prognostic value of TRIM29 in patients with gastric cancer following surgical resection. A total of 243 fresh gastric adenocarcinoma and adjacent normal tissues were continuously retrieved from patients who underwent curative surgery for gastric cancer at the Cancer Hospital of Henan Province (Zhengzhou, China) between January 2005 and December 2011...
April 2018: Oncology Letters
Yujie Ning, Xi Wang, Pan Zhang, Amin Liu, Xin Qi, Meidan Liu, Xiong Guo
Previous studies have identified a close association between diet and the prevalence of Kashin-Beck disease (KBD); however, the mechanisms via which the diet protects against KBD-associated cartilage injury has remained elusive. Recent international research studies have revealed a therapeutic role of dietary exosome micro (mi)RNAs in repairing chondrocyte lesions by regulating genes and proteins associated with cellular apoptosis and extracellular matrix. Vital molecules affecting bio-functions of chondrocytes, including miR-23b and protein kinase cyclic AMP-activated catalytic subunit β, were preliminarily identified to be dysregulated in cells and cartilage tissue of KBD patients...
April 2018: Experimental and Therapeutic Medicine
Charlene M Sibbons, Nicola A Irvine, J Eduardo Pérez-Mojica, Philip C Calder, Karen A Lillycrop, Barbara A Fielding, Graham C Burdge
Polyunsaturated fatty acids (PUFAs) are important for immune function. Limited evidence indicates that immune cell activation involves endogenous PUFA synthesis, but this has not been characterised. To address this, we measured metabolism of 18:3n-3 in quiescent and activated peripheral blood mononuclear cells (PBMCs), and in Jurkat T cell leukaemia. PBMCs from men and women ( n  = 34) were incubated with [1-13 C]18:3n-3 with or without Concanavalin A (Con. A). 18:3n-3 conversion was undetectable in unstimulated PBMCs, but up-regulated when stimulated...
2018: Frontiers in Immunology
Cheng Fu, Jie Luo, Shaotang Ye, Ziguo Yuan, Shoujun Li
Avian-like H5N1 canine influenza virus (CIV) causes severe respiratory infections in dogs. However, the mechanism underlying H5N1 CIV infection in dogs is unknown. The present study aimed to identify differentially expressed miRNAs and mRNAs in the lungs and trachea in H5N1 CIV-infected dogs through a next-generation sequencing-based method. Eighteen 40-day-old beagles were inoculated intranasally with CIV, A/canine/01/Guangdong/2013 (H5N1) at a tissue culture infectious dose 50 (TCID50 ) of 106 , and lung and tracheal tissues were harvested at 3 and 7 d post-inoculation...
2018: Frontiers in Microbiology
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