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https://www.readbyqxmd.com/read/29145435/functional-characterisation-of-filamentous-actin-probe-expression-in-neuronal-cells
#1
Shrujna Patel, Sandra Y Y Fok, Holly Stefen, Tamara Tomanić, Esmeralda Parić, Rosanna Herold, Merryn Brettle, Aleksandra Djordjevic, Thomas Fath
Genetically encoded filamentous actin probes, Lifeact, Utrophin and F-tractin, are used as tools to label the actin cytoskeleton. Recent evidence in several different cell types indicates that these probes can cause changes in filamentous actin dynamics, altering cell morphology and function. Although these probes are commonly used to visualise actin dynamics in neurons, their effects on axonal and dendritic morphology has not been systematically characterised. In this study, we quantitatively analysed the effect of Lifeact, Utrophin and F-tractin on neuronal morphogenesis in primary hippocampal neurons...
2017: PloS One
https://www.readbyqxmd.com/read/29143724/gastric-lymphoma-association-with-helicobacter-pylori-outer-membrane-protein-q-hopq-and-cytotoxic-pathogenicity-activity-island-cpai-genes
#2
J Yakoob, Z Abbas, Z Ahmad, K Tariq, S Awan, K Mustafa, R Khan
B-cell non-Hodgkin lymphoma (B-cell NHL) is the second commonest malignancy in the stomach. We determined the distribution of Helicobacter pylori outer membrane protein Q (HopQ) allelic type, cytotoxin-associated gene (cag)-pathogenicity activity island (cag-PAI) and vacuolation activating cytotoxin A (vacA) genes, respectively, in patients with B-cell NHL. We also compared them with their distribution in non-ulcer dyspepsia (NUD). H. pylori was cultured from gastric biopsy tissue obtained at endoscopy. Polymerase chain reaction was performed...
November 16, 2017: Epidemiology and Infection
https://www.readbyqxmd.com/read/29138645/chinese-classical-formula-sijunzi-decoction-and-chronic-atrophic-gastritis-evidence-for-treatment-approach
#3
REVIEW
Danan Gan, Aili Xu, Hongbo Du, Yong'an Ye
Objective: This aim is to evaluate the effect of Sijunzi decoction (SJZD) treating chronic atrophic gastritis (CAG). Methods: We performed searches in seven databases. The randomized controlled trials (RCTs) comparing SJZD with standard medical care or inactive intervention for CAG were enrolled. Combined therapy of SJZD plus conventional therapies compared with conventional therapies alone was also retrieved. The primary outcome included the incidence of gastric cancer and the improvement of atrophy, intestinal metaplasia, and dysplasia based on the gastroscopy and pathology...
2017: Evidence-based Complementary and Alternative Medicine: ECAM
https://www.readbyqxmd.com/read/29137918/spinobulbar-muscular-atrophy-combined-with-atypical-hereditary-neuropathy-with-liability-to-pressure-palsy
#4
Kyomin Choi, So Hyun Ahn, Seol-Hee Baek, Jun-Soon Kim, Seok-Jin Choi, Je-Young Shin, Sung-Min Kim, Yoon-Ho Hong, Jung-Joon Sung
Spinobulbar muscular atrophy (SBMA) is an X-linked recessive disease, presenting motor weakness and wasting of facial, bulbar and limb muscles. Hereditary neuropathy with liability to pressure palsy (HNPP) is autosomal dominant disorder characterized by recurrent neuropathies at common entrapment sites. We report a case of co-existence of SBMA and atypical HNPP with genetic confirmation of CAG expansion in the androgen receptor (AR) gene and deletion of the peripheral myelin protein 22 (PMP22) gene. A 62-year-old man presented with progressive muscle weakness, fasciculations in upper and lower limbs and dysesthesia predominantly in the distal regions...
November 11, 2017: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/29134321/co-occurrence-of-mixed-proteinopathies-in-late-stage-huntington-s-disease
#5
Isabelle St-Amour, Andréanne Turgeon, Claudia Goupil, Emmanuel Planel, Sébastien S Hébert
Accumulating evidence highlights the potential role of mixed proteinopathies (i.e., abnormal protein aggregation) in the development of clinical manifestations of neurodegenerative diseases (NDD). Huntington's disease (HD) is an inherited NDD caused by autosomal-dominant expanded CAG trinucleotide repeat mutation in the gene coding for Huntingtin (Htt). Previous studies have suggested the coexistence of phosphorylated-Tau, α-synuclein (α-Syn) and TAR DNA-binding protein 43 (TDP-43) inclusions in HD. However, definite evidence that HD pathology in humans can be accompanied by other proteinopathies is still lacking...
November 13, 2017: Acta Neuropathologica
https://www.readbyqxmd.com/read/29130706/androgen-receptor-gene-polymorphisms-and-maximal-fat-oxidation-in-healthy-men-a-longitudinal-study
#6
Jesús Gustavo Ponce González, Amelia Guadalupe-Grau, Francisco Germán Rodríguez-González, Rafael Torres-Peralta, David Morales-Alamo, Lorena Rodríguez-García, Bonifacio Nicolás Díaz-Chico, José Antonio López Calbet, Cecilia Dorado
INTRODUCTION: Androgens play a major role in fat oxidation; however, the effects of androgens depend, among other factors, on the intrinsic characteristics of the androgen receptor (AR). Lower repetitions of CAG and GGN polymorphism appear to have a protective effect on fat accumulation in the transition from adolescent to mid-twenties. Whether a similar protective effect is present later in life remains unknown. The aims of this study were: a) to evaluate if extreme CAG and GGN repeat polymorphisms of the androgen receptors influence body fat mass, its regional distribution, resting metabolic rate (RMR), maximal fat oxidation capacity (MFO) and serum leptin, free testosterone and osteocalcin in healthy adult men; and b) to determine the longitudinal effects on fat tissue accumulation after 6...
October 24, 2017: Nutrición Hospitalaria: Organo Oficial de la Sociedad Española de Nutrición Parenteral y Enteral
https://www.readbyqxmd.com/read/29128164/grey-matter-volume-loss-is-associated-with-specific-clinical-motor-signs-in-huntington-s-disease
#7
Emma M Coppen, Milou Jacobs, Annette A van den Berg-Huysmans, Jeroen van der Grond, Raymund A C Roos
BACKGROUND: Motor disturbances are clinical hallmarks of Huntington's disease (HD) and involve chorea, dystonia, hypokinesia and visuomotor dysfunction. Investigating the association between specific motor signs and different regional volumes is important to understand the heterogeneity of HD. OBJECTIVE: To investigate the motor phenotype of HD and associations with subcortical and cortical grey matter volume loss. METHODS: Structural T1-weighted MRI scans of 79 HD patients and 30 healthy controls were used to calculate volumes of seven subcortical structures including the nucleus accumbens, hippocampus, thalamus, caudate nucleus, putamen, pallidum and amygdala...
November 2, 2017: Parkinsonism & related Disorders
https://www.readbyqxmd.com/read/29125980/molecular-insights-into-cortico-striatal-miscommunications-in-huntington-s-disease
#8
REVIEW
Matthew B Veldman, X William Yang
Huntington's disease (HD), a dominantly inherited neurodegenerative disease, is defined by its genetic cause, a CAG-repeat expansion in the HTT gene, its motor and psychiatric symptomology and primary loss of striatal medium spiny neurons (MSNs). However, the molecular mechanisms from genetic lesion to disease phenotype remain largely unclear. Mouse models of HD have been created that exhibit phenotypes partially recapitulating those in the patient, and specifically, cortico-striatal disconnectivity appears to be a shared pathogenic event shared by HD mouse models and patients...
November 7, 2017: Current Opinion in Neurobiology
https://www.readbyqxmd.com/read/29123113/talen-mediated-functional-correction-of-human-ipsc-derived-macrophages-in-context-of-hereditary-pulmonary-alveolar-proteinosis
#9
Alexandra Kuhn, Mania Ackermann, Claudio Mussolino, Toni Cathomen, Nico Lachmann, Thomas Moritz
Hereditary pulmonary alveolar proteinosis (herPAP) constitutes a rare, life threatening lung disease characterized by the inability of alveolar macrophages to clear the alveolar airspaces from surfactant phospholipids. On a molecular level, the disorder is defined by a defect in the CSF2RA gene coding for the GM-CSF receptor alpha-chain (CD116). As therapeutic options are limited, we currently pursue a cell and gene therapy approach aiming for the intrapulmonary transplantation of gene-corrected macrophages derived from herPAP-specific induced pluripotent stem cells (herPAP-iPSC) employing transcriptional activator-like effector nucleases (TALENs)...
November 9, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29118933/prevalence-of-cytotoxin-associated-genes-of-helicobacter-pylori-among-iranian-gerd-patients
#10
Aref Shavalipour, Habib Malekpour, Hossein Dabiri, Hossein Kazemian, Homayon Zojaji, Mahboube Bahroudi
Aim: Since the impact of H. pylori and its virulence is not clear in GERD, this study aimed to evaluate the prevalence of cag A and cag E gens of H. pylori among Iranian GERD patients. Background: Gastroesophageal reflux disease (GERD) is defined as a condition of reflux the stomach juice by low pH causes tissue damage. Helicobacter pylori may or may not influence the GERD; however, it is unclear. Methods: This study was a case-control study performed on patients with GERD who underwent upper gastrointestinal endoscopy at Taleghani Hospital of Tehran, Iran...
2017: Gastroenterology and Hepatology From Bed to Bench
https://www.readbyqxmd.com/read/29116183/time-resolved-analysis-of-a-denitrifying-bacterial-community-revealed-a-core-microbiome-responsible-for-the-anaerobic-degradation-of-quinoline
#11
Yun Wang, Hao Tian, Fei Huang, Wenmin Long, Qianpeng Zhang, Jing Wang, Ying Zhu, Xiaogang Wu, Guanzhou Chen, Liping Zhao, Lars R Bakken, Åsa Frostegård, Xiaojun Zhang
Quinoline is biodegradable under anaerobic conditions, but information about the degradation kinetics and the involved microorganisms is scarce. Here, the dynamics of a quinoline-degrading bacterial consortium were studied in anoxic batch cultures containing nitrate. The cultures removed 83.5% of the quinoline during the first 80 hours, which were dominated by denitrification, and then switched to methanogenesis when the nitrogen oxyanions were depleted. Time-resolved community analysis using pyrosequencing revealed that denitrifiying bacteria belonging to the genus Thauera were enriched during the denitrification stage from 12...
November 7, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29114497/kctd5-and-ubiquitin-proteasome-signaling-are-required-for-helicobacter-pylori-adherence
#12
Alhejandra Álvarez, Felipe Uribe, Jimena Canales, Cristóbal Romero, Andrea Soza, María A Peña, Marcelo Antonelli, Oscar Almarza, Oscar Cerda, Héctor Toledo
In order to establish infection, bacterial pathogens modulate host cellular processes by using virulence factors, which are delivered from the bacteria to the host cell leading to cellular reprogramming. In this context, several pathogens regulate the ubiquitin proteasome system in order to regulate the cellular effectors required for their successful colonization and persistance. In this study, we investigated how Helicobacter pylori affect the ubiquitination of the host proteins to achieve the adherence to the cells, using AGS gastric epithelial cells cultured with H...
2017: Frontiers in Cellular and Infection Microbiology
https://www.readbyqxmd.com/read/29111980/impact-of-continuation-of-metformin-prior-to-elective-coronary-angiography-on-acute-contrast-nephropathy-in-patients-with-normal-or-mildly-impaired-renal-functions
#13
Veysel Oktay, İlknur Calpar Çıralı, Ümit Yaşar Sinan, Ahmet Yıldız, Murat Kazım Ersanlı
OBJECTIVE: Discontinuation of metformin treatment in patients scheduled for elective coronary angiography (CAG) is controversial because of post-procedural risks including acute contrast-induced nephropathy (CIN) and lactic acidosis (LA). This study aims to discuss the safety of continuing metformin treatment in patients undergoing elective CAG with normal or mildly impaired renal functions. METHODS: Our study was designed as a single-centered, randomized, and observational study including 268 patients undergoing elective CAG with an estimated glomerular filtration rate of >60 mL/min/1...
October 31, 2017: Anatolian Journal of Cardiology
https://www.readbyqxmd.com/read/29102238/endocrinal-description-of-two-chinese-kennedy-s-disease-pedigrees
#14
Fang Li, Gulibositan Aji, Fei Leng, Jia-Chao Chen, Yu Luo, Jing Zhang, Ke Hu, Zi-Yun Cheng, Xi Xu, Zhi-Qiang Lu
Kennedy's disease (KD), also known as X-linked spinal and bulbar muscular atrophy (SBMA), is caused by the expansion of cytosine-adenine-guanine (CAG) repeats in the first exon of the androgen receptor (AR) gene. KD is a late-onset neural-endocrinal disease that is characterized by the degeneration of motor neurons in the brainstem and spinal cord. In addition, partial androgen insensitivity is an important manifestation of KD. Here, we report two Chinese KD pedigrees that reveal the clinical and genetic manifestations and fully elaborate the endocrinal characteristics of KD patients...
October 25, 2017: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/29089980/promises-and-pitfalls-of-immune-based-strategies-for-huntington-s-disease
#15
REVIEW
Gabriela Delevati Colpo, Erin Furr Stimming, Natalia Pessoa Rocha, Antonio Lucio Teixeira
Huntington's disease (HD) is an autosomal-dominant neurodegenerative disease characterized by the selective loss of neurons in the striatum and cortex, leading to progressive motor dysfunction, cognitive decline and behavioral symptoms. HD is caused by a trinucleotide (CAG) repeat expansion in the gene encoding for huntingtin. Several studies have suggested that inflammation is an important feature of HD and it is already observed in the early stages of the disease. Recently, new molecules presenting anti-inflammatory and/or immunomodulatory have been investigated for HD...
September 2017: Neural Regeneration Research
https://www.readbyqxmd.com/read/29089256/dystonia-and-ataxia-progression-in-spinocerebellar-ataxias
#16
Pei-Hsin Kuo, Shi-Rui Gan, Jie Wang, Raymond Y Lo, Karla P Figueroa, Darya Tomishon, Stefan M Pulst, Susan Perlman, George Wilmot, Christopher M Gomez, Jeremy D Schmahmann, Henry Paulson, Vikram G Shakkottai, Sarah H Ying, Theresa Zesiewicz, Khalaf Bushara, Michael D Geschwind, Guangbin Xia, S H Subramony, Tetsuo Ashizawa, Sheng-Han Kuo
BACKGROUND: Dystonia is a common feature in spinocerebellar ataxias (SCAs). Whether the presence of dystonia is associated with different rate of ataxia progression is not known. OBJECTIVES: To study clinical characteristics and ataxia progression in SCAs with and without dystonia. METHODS: We studied 334 participants with SCA 1, 2, 3 and 6 from the Clinical Research Consortium for Spinocerebellar Ataxias (CRC-SCA) and compared the clinical characteristics of SCAs with and without dystonia...
October 23, 2017: Parkinsonism & related Disorders
https://www.readbyqxmd.com/read/29083935/tri-nucleotide-consortium-of-androgen-receptor-is-associated-with-low-serum-fsh-and-testosterone-in-asthenospermic-men
#17
Haroon Latif Khan, Shahzad Bhatti, Sana Abbas, Yousaf Latif Khan, Muhammad Aslamkhan, Rosa Maria Marquez Gonzalez, Gerardo Rodriguez Gonzalez, Hikmet Hakan Aydin, Magali Segundo Trinidad
Androgen mediating signaling is implicated in regulating the expression of reproductive related genes. Any deviation in the gene expression might be the ignitable precursor for genomic instability that inflames the genomic rearrangements and a leading cause of cancer. The main goal of this study was to determine the relationships between trinucleotide repeats of androgen receptor (AR), sex steroids, and sexual function in men presenting with reduced sperm motility. We investigated the singleton or combinatorial effects of the length of trinucleotide repeats of AR on reproductive hormones, clinical parameters, semen analyses, as well as sexual assessment function of 210 asthenospermic outpatients along with 125 normal subjects...
October 30, 2017: Systems Biology in Reproductive Medicine
https://www.readbyqxmd.com/read/29081366/central-nervous-system-infections-in-the-absence-of-cerebrospinal-fluid-pleocytosis
#18
Hakan Erdem, Derya Ozturk-Engin, Yasemin Cag, Seniha Senbayrak, Asuman Inan, Esra Kazak, Umit Savasci, Nazif Elaldi, Haluk Vahaboglu, Rodrigo Hasbun
Previous multicenter/multinational studies were evaluated to determine the frequency of the absence of cerebrospinal fluid pleocytosis in patients with central nervous system infections, as well as the clinical impact of this condition. It was found that 18% of neurosyphilis, 7.9% of herpetic meningoencephalitis, 3% of tuberculous meningitis, 1.7% of Brucella meningitis, and 0.2% of pneumococcal meningitis cases did not display cerebrospinal fluid pleocytosis. Most patients were not immunosuppressed. Patients without pleocytosis had a high rate of unfavorable outcomes and thus this condition should not be underestimated...
November 10, 2017: International Journal of Infectious Diseases: IJID
https://www.readbyqxmd.com/read/29081171/-analysis-of-the-prevalence-and-risk-factors-of-preoperative-angiography-confirmed-coronary-artery-stenosis-in-patients-with-degenerative-valvular-heart-disease
#19
Z J Xu, J Pan, Q Zhou, D J Wang
Objective: To estimate the prevalence and the risk factors of preoperative coronary angiography (CAG) confirmed coronary stenosis in patients with degenerative valvular heart disease. Methods: A total of 491 patients who underwent screening CAG before valvular surgery due to degenerative valvular heart disease were enrolled from January 2011 to September 2014 in our hospital, and clinical data were analyzed. According to CAG results, patients were divided into positive CAG result (PCAG) group or negative CAG (NCAG) group...
October 24, 2017: Zhonghua Xin Xue Guan Bing za Zhi
https://www.readbyqxmd.com/read/29077768/secretion-of-a-recombinant-protein-without-a-signal-peptide-by-the-exocrine-glands-of-transgenic-rabbits
#20
Andrea Kerekes, Orsolya Ivett Hoffmann, Gergely Iski, Nándor Lipták, Elen Gócza, Wilfried A Kues, Zsuzsanna Bősze, László Hiripi
Transgenic rabbits carrying mammary gland specific gene constructs are extensively used for excreting recombinant proteins into the milk. Here, we report refined phenotyping of previously generated Venus transposon-carrying transgenic rabbits with particular emphasis on the secretion of the reporter protein by exocrine glands, such as mammary, salivary, tear and seminal glands. The Sleeping Beauty (SB) transposon transgenic construct contains the Venus fluorophore cDNA, but without a signal peptide for the secretory pathway, driven by the ubiquitous CAGGS (CAG) promoter...
2017: PloS One
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