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https://www.readbyqxmd.com/read/28739747/application-of-serum-elavl4-hud-antigen-assay-for-small-cell-lung-cancer-diagnosis
#1
Feifei Wang, Jianyi Lu, Shentao Li, Xueyun Huo, Xin Liu, Xiaoyan DU, Changlong Li, Jinghui Wang, Zhenwen Chen
BACKGROUND/AIM: The ELAVL4 (HuD) is a neuron-specific RNA-binding protein expressed in 100% of small cell lung cancer (SCLC) cells and over 50% of neuroblastoma cells. The aim of this study was to investigate the serum HuD concentration in SCLC patients and the possibility of its utilization as a biomarker of small cell lung cancer. MATERIALS AND METHODS: Our study included 47 SCLC cases and 29 normal controls. Indirect competitive inhibition ELISA method was established to detect HuD antigen of serum samples...
August 2017: Anticancer Research
https://www.readbyqxmd.com/read/28733141/gastrin-releasing-peptide-and-its-receptor-increase-arthritis-fibroblast-like-synoviocytes-invasiveness-through-activating-the-pi3k-akt-pathway
#2
Vanessa Schuck Clarimundo, Mirian Farinon, Renata Ternus Pedó, Vivian Oliveira Nunes Teixeira, Carolina Nör, Percio S Gulko, Ricardo Machado Xavier, Patricia Gnieslaw de Oliveira
Rheumatoid arthritis (RA) is an autoimmune disease that leads to joint destruction. The fibroblast-like synoviocytes (FLS) has a central role on the disease pathophysiology. The present study aimed to examine the role of gastrin-releasing peptide (GRP) and its receptor (GRPR) on invasive behavior of mice fibroblast-like synoviocytes (FLS), as well as to evaluate GRP-induced signaling on PI3K/AKT pathway. The expression of GRPR in FLS was investigated by immunocytochemistry, western blot (WB) and qRT-PCR. The proliferation and invasion were assessed by SRB and matrigel-transwell assay after treatment with GRP and/or RC-3095 (GRPR antagonist), and/or Ly294002 (inhibitor of PI3K/AKT pathway)...
July 18, 2017: Peptides
https://www.readbyqxmd.com/read/28725583/positron-emission-tomography-pet-in-primary-prostate-cancer-staging-and-risk-assessment
#3
REVIEW
Sandra Bednarova, Maria L Lindenberg, Maria Vinsensia, Chiara Zuiani, Peter L Choyke, Baris Turkbey
Prostate cancer (PCa) is one of the few neoplasms that are not well served by 18F-Fluorodeoxyglucose (FDG) positron emission tomography (PET). As a result, a number of PET tracers have been developed to target particular biological features of PCa. Such agents can be used for diagnosis, staging, identification of biochemical recurrence (BCR) and evaluation of metastatic disease. Here, we focus on primary disease and local staging. To date, magnetic resonance imaging (MRI) has proven superior to PET in the imaging of primary PCa...
June 2017: Translational Andrology and Urology
https://www.readbyqxmd.com/read/28711565/new-aspects-of-molecular-imaging-in-prostate-cancer
#4
Francesco Ceci, Paolo Castellucci, Juliano J Cerci, Stefano Fanti
Nowadays several new imaging modalities are available for investigating prostate cancer (PCa) such as magnet resonance imaging (MRI) in the form of whole body MRI and pelvic multiparametric MRI and positron emission tomography (PET) using choline as radiotracers. Nevertheless, these modalities proved sub-optimal accuracy for detecting PCa metastases, particularly in the recurrence setting. A new molecular probe targeting the prostate specific membrane antigen (PSMA) has been recently developed for PET imaging...
July 12, 2017: Methods: a Companion to Methods in Enzymology
https://www.readbyqxmd.com/read/28707656/-regulation-of-heat-shock-gene-expression-in-response-to-stress
#5
D G Garbuz
Heat shock (HS) genes, or stress genes, code for a number of proteins that collectively form the most ancient and universal stress defense system. The system determines the cell capability of adaptation to various adverse factors and performs a variety of auxiliary functions in normal physiological conditions. Common stress factors, such as higher temperatures, hypoxia, heavy metals, and others, suppress transcription and translation for the majority of genes, while HS genes are upregulated. Transcription of HS genes is controlled by transcription factors of the HS factor (HSF) family...
May 2017: Molekuliarnaia Biologiia
https://www.readbyqxmd.com/read/28702069/positive-association-between-musclin-and-insulin-resistance-in-obesity-evidence-of-a-human-study-and-an-animal-experiment
#6
Wen-Jia Chen, Yue Liu, Yu-Bin Sui, Hong-Tao Yang, Jin-Rui Chang, Chao-Shu Tang, Yong-Fen Qi, Jing Zhang, Xin-Hua Yin
BACKGROUND: Musclin is a novel skeletal muscle-derived secretory factor considered to be a potent regulator of the glucose metabolism and therefore may contribute to the pathogenesis of obesity and insulin resistance (IR). METHODS: To test this hypothesis, we examined the plasma musclin levels in overweight/obese subjects and lean controls. Rats on a high fat diet (HFD) were used as the annimal model of obesity. Radioimmunoassay and western blot were used to determine musclin levels in plasma and skeletal muscle...
2017: Nutrition & Metabolism
https://www.readbyqxmd.com/read/28690256/sensitive-electrochemical-capsaicin-sensor-based-on-a-screen-printed-electrode-modified-with-poly-sodium-4-styrenesulfonate-functionalized-graphite
#7
Yan Wang, Bin-Bin Huang, Wan-Lin Dai, Bin Xu, Tian-Liang Wu, Jia-Ping Ye, Jian-Shan Ye
A sensitive capsaicin sensor was constructed based on a poly(sodium 4-styrenesulfonate) functionalized graphite modified screen printed electrode (PSS-Grp/SPE) in this study. The PSS-Grp and poly(diallyldimethylammonium chloride) functionalized graphite (PDDA-Grp) were easily synthesized by interacting Grp with PSS and PDDA through sonication, and resulted in negative and with positive charges on the surface, respectively. The prepared PSS-Grp and PDDA-Grp were characterized by scanning electron microscopy (SEM), transmission electron microscopy (TEM) and ultraviolet and visible spectroscopy (UV-vis)...
2017: Analytical Sciences: the International Journal of the Japan Society for Analytical Chemistry
https://www.readbyqxmd.com/read/28685994/gibberellin-regulated-protein-in-japanese-apricot-is-an-allergen-cross-reactive-to-pru-p-7
#8
Naoko Inomata, Mami Miyakawa, Michiko Aihara
BACKGROUND: Gibberellin-regulated protein (GRP, also known as peamaclein) was recently identified as a new marker allergen related to systemic reactions in peach allergy; however, its role in other fruit allergies is unknown. OBJECTIVE: To investigate the allergenicity of Japanese apricot (JA) GRP and clarify the clinical characteristics of JA allergy patients with GRP sensitization. METHODS: Seven patients (two males, five females, mean age 28...
July 6, 2017: Immunity, Inflammation and Disease
https://www.readbyqxmd.com/read/28675694/benzyl-isothiocyanate-bitc-induces-apoptosis-of-gbm-8401-human-brain-glioblastoma-multiforms-cells-via-activation-of-caspase-8-bid-and-the-reactive-oxygen-species-dependent-mitochondrial-pathway
#9
Hung-Sheng Shang, Yung-Luen Shih, Tai-Jung Lu, Ching-Hsiao Lee, Shu-Ching Hsueh, Yu-Cheng Chou, Hsu-Feng Lu, Nien-Chieh Liao, Jing-Gung Chung
Benzyl isothiocyanate (BITC) is one of member of the isothiocyanate family which has been shown to induce cancer cell apoptosis in many human cancer cells. In the present study, we investigated the effects of BITC on the growth of GBM 8401 human brain glioblastoma multiforms cells. Results indicated that BITC-induced cell morphological changes decreased in the percentage of viable GBM8401 cells and these effects are dose-dependent manners. Results from flow cytometric assay indicated that BITC induced sub-G1 phase and induction of apoptosis of GBM 8401 cells...
December 2016: Environmental Toxicology
https://www.readbyqxmd.com/read/28672174/characterization-of-small-spored-alternaria-from-argentinean-crops-through-a-polyphasic-approach
#10
Lucía da Cruz Cabral, Marcela Rodriguero, Sebastián Stenglein, Kristian Fog Nielsen, Andrea Patriarca
Small-spored Alternaria have been isolated from a wide variety of food crops, causing both economic losses and human health risk due to the metabolites produced. Their taxonomy has been discussed widely, but no scientific consensus has been established in this field to date. Argentina is a major exporter of agricultural products, so it is essential to thoroughly understand the physiological behaviour of this pathogen in a food safety context. Thus, the objective of this work was to characterize small-spored Alternaria spp...
June 27, 2017: International Journal of Food Microbiology
https://www.readbyqxmd.com/read/28651595/identification-of-pathogenic-genes-and-upstream-regulators-in-age-related-macular-degeneration
#11
Bin Zhao, Mengya Wang, Jing Xu, Min Li, Yuhui Yu
BACKGROUND: Age-related macular degeneration (AMD) is the leading cause of irreversible blindness in older individuals. Our study aims to identify the key genes and upstream regulators in AMD. METHODS: To screen pathogenic genes of AMD, an integrated analysis was performed by using the microarray datasets in AMD derived from the Gene Expression Omnibus (GEO) database. The functional annotation and potential pathways of differentially expressed genes (DEGs) were further discovered by Gene Ontology (GO) and Kyoto Encyclopedia of Genes and Genomes (KEGG) enrichment analysis...
June 26, 2017: BMC Ophthalmology
https://www.readbyqxmd.com/read/28647962/-effect-of-endoplasmic-reticulum-stress-in-trophocytes-on-the-pathogenesis-of-intrahepatic-cholestasis-of-pregnancy
#12
Y Yu, C L Zhou, T T Yu, X J Han, H Y Shi, H Z Wang, J J Shen, J He
Objective: To evaluate the effect of endoplasmic reticulum stress in trophocytes, in patients with intrahepatic cholestasis of pregnancy (ICP). Methods: Sixty-one pregnant women who were hospitalized in Women's Hospital, School of Medicine, Zhejiang University from January to December 2015 were recruited. Thirty-one women who were diagnosed as ICP were defined as the ICP group and 30 healthy pregnant women were defined as the control group. The localization and expression intensity of glucose regulated protein 78 (GRP-78) in placental tissues were detected by immunohistochemistry technique...
June 25, 2017: Zhonghua Fu Chan Ke za Zhi
https://www.readbyqxmd.com/read/28622281/effects-of-baicalin-on-blood-pressure-and-left-ventricular-remodeling-in-rats-with-renovascular-hypertension
#13
Hualei Dai, Xinjin Zhang, Zhigang Yang, Jianmei Li, Jialin Zheng
BACKGROUND This study aimed to explore the effect of baicalin, which is a kind of bioactive flavonoid, on blood pressure and left ventricular remodeling in rats with renovascular hypertension. MATERIAL AND METHODS A total of 40 male Wistar rats were randomly assigned into sham-operation (n=10) and renal hypertension model groups (2-kidney-1 clip; 2K-1C, n=30). The rats in the renal hypertension model group were randomly subdivided into 2K-1C (n=13) and 2K-1C/Baicalin groups (n=14). The cardiac function indexes were determined after 4 weeks...
June 16, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/28621684/expression-of-hypothalamic-neurohormones-and-their-receptors-in-the-human-eye
#14
Sander R Dubovy, Maria P Fernandez, Jose J Echegaray, Norman L Block, Noriyuki Unoki, Roberto Perez, Irving Vidaurre, Richard K Lee, Mehrdad Nadji, Andrew V Schally
Extrapituitary roles for hypothalamic neurohormones have recently become apparent and clinically relevant, based on the use of synthetic peptide analogs for the treatment of multiple conditions including cancers, pulmonary edema and myocardial infarction. In the eye, it has been suggested that some of these hormones and their receptors may be present in the ciliary body, iris, trabecular meshwork and retina, but their physiological role has yet to be elucidated. Our study intends to comprehensively demonstrate the expression of some hypothalamic neuroendocrine hormones and their receptors within different retinal and extraretinal structures of the human eye...
June 3, 2017: Oncotarget
https://www.readbyqxmd.com/read/28597062/an-anther-specific-gene-phgrp-is-regulated-by-phmyc2-and-causes-male-sterility-when-overexpressed-in-petunia-anthers
#15
Yuanzheng Yue, Chaoqun Yin, Rui Guo, Hao Peng, Zhaonan Yang, Guofeng Liu, Manzhu Bao, Huirong Hu
An anther-specific GRP gene, regulated by PhMYC2 , causes a significant reduction of male fertility when overexpressed in petunia, and its promoter is efficient in genetic engineering of male-sterile lines. Glycine-rich proteins (GRPs) play important roles in plant anther development; however, the underlying mechanisms and related regulatory networks are poorly understood. In this study, a novel glycine-rich family gene designated as PhGRP was isolated from Petunia hybrida 'Fantasy Red'. The qRT-PCR analysis showed that it expressed specifically in anthers, and its expression peaked earlier than those well-known tapetum-specific genes, such as TA29, and several genes with the classic cis-regulatory element 'anther-box' in petunia during its anther development...
June 9, 2017: Plant Cell Reports
https://www.readbyqxmd.com/read/28589144/asymmetric-dimethylarginine-induced-apoptosis-and-dysfunction-of-endothelial-progenitor-cells-role-of-endoplasmic-reticulum-stress-pathway
#16
Sheng Ye, Xi Zhou, Jiafeng Lin, Peng Chen
Asymmetric dimethylarginine (ADMA), an inhibitor of nitric oxide synthase, is a novel risk factor of cardiovascular disease. Endothelial progenitor cells (EPCs) bear typical endothelial characteristics and are thought to contribute to neovascularization by providing new endothelial cells (ECs) after arterial injury. Many studies have shown that ADMA can induce EPC apoptosis and dysfunction, but the underlying mechanism is not well understood. EPCs from umbilical cord blood were cultured in EGM-2 medium with particular growth factors and supplemented with 10% fetal bovine serum...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28550415/high-expression-of-grp78-bip-as-a-novel-predictor-of-favorable-outcomes-in-patients-with-advanced-thymic-carcinoma
#17
Yosuke Miura, Kyoichi Kaira, Reiko Sakurai, Hisao Imai, Yoshio Tomizawa, Noriaki Sunaga, Koichi Minato, Takeshi Hisada, Tetsunari Oyama, Masanobu Yamada
BACKGROUND: Glucose-regulated protein (GRP) 78/immunoglobulin heavy chain binding protein (BiP) is a member of the endoplasmic reticulum chaperone family, and its role in various types of human malignancies has recently been investigated. However, the clinicopathological characteristics of GRP78/BiP in advanced thymic carcinoma (ATC) remain unknown. We aimed to examine the relationship between GRP78/BiP expression and the clinical outcomes of ATC patients. METHODS: Thirty-four patients with ATC receiving combination chemotherapy at three institutions between April 1998 and April 2014 were enrolled in this study...
May 26, 2017: International Journal of Clinical Oncology
https://www.readbyqxmd.com/read/28542410/gla-rich-protein-function-as-an-anti-inflammatory-agent-in-monocytes-macrophages-implications-for-calcification-related-chronic-inflammatory-diseases
#18
Carla S B Viegas, Rúben M Costa, Lúcia Santos, Paula A Videira, Zélia Silva, Nuna Araújo, Anjos L Macedo, António P Matos, Cees Vermeer, Dina C Simes
Calcification-related chronic inflammatory diseases are multifactorial pathological processes, involving a complex interplay between inflammation and calcification events in a positive feed-back loop driving disease progression. Gla-rich protein (GRP) is a vitamin K dependent protein (VKDP) shown to function as a calcification inhibitor in cardiovascular and articular tissues, and proposed as an anti-inflammatory agent in chondrocytes and synoviocytes, acting as a new crosstalk factor between these two interconnected events in osteoarthritis...
2017: PloS One
https://www.readbyqxmd.com/read/28506620/bombesin-administration-impairs-memory-and-does-not-reverse-memory-deficit-caused-by-sleep-deprivation
#19
L B T Ferreira, S L B Oliveira, J Raya, L A Esumi, D C Hipolide
Sleep deprivation impairs performance in emotional memory tasks, however this effect on memory is not completely understood. Possible mechanisms may involve an alteration in neurotransmission systems, as shown by the fact that many drugs that modulate neural pathways can prevent memory impairment by sleep loss. Gastrin releasing peptide (GRP) is a neuropeptide that emerged as a regulatory molecule of emotional memory through the modulation of other neurotransmission systems. Thus, the present study addressed the effect of intraperitoneal (IP) administration of bombesin (BB) (2...
May 12, 2017: Behavioural Brain Research
https://www.readbyqxmd.com/read/28500250/characterization-of-nmb-grp-and-their-receptors-brs3-nmbr-and-grpr-in-chickens
#20
Chunheng Mo, Long Huang, Lin Cui, Can Lv, Dongliang Lin, Liang Song, Guoqiang Zhu, Juan Li, Yajun Wang
The two structurally and functionally related peptides, gastrin-releasing peptide (GRP) and neuromedin B (NMB) play critical roles in many physiological/pathological processes in mammals. However, the information regarding the expression and functionality of avian NMB, GRP, and their receptors is limited. Here, we characterized cNMB, cGRP and their receptors (cNMBR, cGRPR, cBRS3) in chickens. Our results showed that: 1) cNMBR and cGRPR expressed in CHO cells could be potently activated by cNMB and cGRP respectively, as monitored by cell-based luciferase reporter assays, indicating that cNMBR and cGRPR are cNMB- and cGRP-specific receptors; Strikingly, BRS3 of chickens (/spotted gars), which is orthologous to mouse bombesin receptor subtype-3 (BRS3), could be potently activated by GRP and NMB, demonstrating that both peptides are the endogenous ligands for chicken(/spotted gar) BRS3; 2) Quantitative real-time PCR revealed that cGRPR is widely expressed in chicken tissues with abundant expression in the ovary, pancreas, proventriculus, spinal cord and brain, whereas cNMB, cNMBR and cBRS3 are mainly expressed in the brain and testes; 3) Interestingly, qPCR, Western blot, and immuno-staining revealed that cGRP is predominantly expressed in the anterior pituitary and mainly localized to LH-cells, suggesting that cGRP is likely a novel pituitary hormone in chickens...
May 12, 2017: Journal of Molecular Endocrinology
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