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Apoe-/- cx3cr1

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https://www.readbyqxmd.com/read/28441446/fetal-outcomes-and-associated-factors-of-adverse-outcomes-of-pregnancy-in-southern-chinese-women-with-systemic-lupus-erythematosus
#1
Zhongping Zhan, Ying Yang, Yanfeng Zhan, Dongying Chen, Liuqin Liang, Xiuyan Yang
This study aims to investigate the fetal outcomes and associated factors of adverse pregnancy outcomes (APOs) in pregnant women with systemic lupus erythematosus (SLE). Clinical data from 251 SLE patients with 263 pregnancies from 2001 to 2015 were analyzed retrospectively. APOs occurred in 70.0% of pregnancies, in which pregnancy loss occurred in 28.5%; preterm delivery occurred in 21.3%; intrauterine growth retardation occurred in 12.2%; and fetal distress occurred in 8.0%. Over time, the rate of APOs decreased from 82...
2017: PloS One
https://www.readbyqxmd.com/read/28438690/maturation-of-secreted-hcv-particles-by-incorporation-of-secreted-apoe-protects-from-antibodies-by-enhancing-infectivity
#2
Dorothea Bankwitz, Mandy Doepke, Kathrin Hueging, Romy Weller, Janina Bruening, Patrick Behrendt, Ji-Young Lee, Florian W R Vondran, Michael P Manns, Ralf Bartenschlager, Thomas Pietschmann
BACKGROUND & AIMS: Hepatitis C virus (HCV) evades humoral immunity and establishes chronic infections. Virus particles circulate in complex with lipoproteins facilitating antibody escape. Apolipoprotein E (ApoE) is essential for intracellular HCV assembly and for HCV cell entry. We aimed to explore if ApoE released from non-infected cells interacts with and modulates secreted HCV particles. METHODS: ApoE secreted from non-infected cells was incubated with HCV from primary human hepatocytes or Huh-7...
April 21, 2017: Journal of Hepatology
https://www.readbyqxmd.com/read/28438485/variations-in-the-apoe-allele-or-bdnf-val66met-polymorphism-are-not-associated-with-changes-in-cognitive-function-following-a-tertiary-education-intervention-in-older-adults-the-tasmanian-healthy-brain-project
#3
Megan E Thow, Mathew J Summers, Jeffery J Summers, Nichole L Saunders, James C Vickers
The apolipoprotein (APOE) ε4 allele and the Met variant of the brain-derived neurotrophic factor (BDNF) Val66Met polymorphism are associated with reduced cognitive function in older adults. The aim of this study was to examine the independent and interactional effect of the APOE ε4 allele and BDNF Val66Met polymorphism on cognitive function in a cohort of healthy older adults who had undertaken further university level education. Multiple group latent growth curve modeling revealed no change in cognitive function over time in APOE ε4-carriers or in BDNF Met-carriers, nor in carriers of both APOE-ε4 and BDNF-Met alleles...
April 2, 2017: Neurobiology of Aging
https://www.readbyqxmd.com/read/28437620/american-association-of-clinical-endocrinologists-and-american-college-of-endocrinology-guidelines-for-management-of-dyslipidemia-and-prevention-of-cardiovascular-disease
#4
Paul S Jellinger, Yehuda Handelsman, Paul D Rosenblit, Zachary T Bloomgarden, Vivian A Fonseca, Alan J Garber, George Grunberger, Chris K Guerin, David S H Bell, Jeffrey I Mechanick, Rachel Pessah-Pollack, Kathleen Wyne, Donald Smith, Eliot A Brinton, Sergio Fazio, Michael Davidson
OBJECTIVE: The development of these guidelines is mandated by the American Association of Clinical Endocrinologists (AACE) Board of Directors and American College of Endocrinology (ACE) Board of Trustees and adheres with published AACE protocols for the standardized production of clinical practice guidelines (CPGs). METHODS: Recommendations are based on diligent reviews of the clinical evidence with transparent incorporation of subjective factors, according to established AACE/ACE guidelines for guidelines protocols...
April 2017: Endocrine Practice
https://www.readbyqxmd.com/read/28437479/conformational-dynamics-of-bacterial-trigger-factor-in-apo-and-ribosome-bound-states
#5
Mehmet Tarik Can, Zeynep Kurkcuoglu, Gokce Ezeroglu, Arzu Uyar, Ozge Kurkcuoglu, Pemra Doruker
The chaperone trigger factor (TF) binds to the ribosome exit tunnel and helps cotranslational folding of nascent chains (NC) in bacterial cells and chloroplasts. In this study, we aim to investigate the functional dynamics of fully-atomistic apo TF and its complex with 50S. As TF accomodates a high percentage of charged residues on its surface, the effect of ionic strength on TF dynamics is assessed here by performing five independent molecular dynamics (MD) simulations (total of 1.3 micro-second duration) at 29 mM and 150 mM ionic strengths...
2017: PloS One
https://www.readbyqxmd.com/read/28437073/inter-motif-communication-induces-hierarchical-ca2-filling-of-caldendrin
#6
Uday Kiran, Phanindranath Regur, Michael R Kreutz, Yogendra Sharma, Asima Chakraborty
A crucial event in calcium signalling is the transition of a calcium sensor from the apo (Ca2+ free) to the holo (Ca2+ saturated) state. Caldendrin (CDD) is a neuronal Ca2+-binding protein with two functional (EF3 and EF4) and two atypical (EF1 and EF2), non-Ca2+-binding EF-hand motifs. During the transition from the apo to the holo state, guided by the step-wise filling of Ca2+, the protein passes through distinct states and acquires a stable conformational state when only EF3 is occupied by Ca2+. This state is characterized by a Ca2+-derived structural gain in EF3 with destabilization of the EF4 motif...
April 24, 2017: Biochemistry
https://www.readbyqxmd.com/read/28436744/cognitive-screening-in-substance-users-diagnostic-accuracies-of-the-mini-mental-state-examination-addenbrooke-s-cognitive-examination-revised-and-montreal-cognitive-assessment
#7
Nicole Ridley, Jennifer Batchelor, Brian Draper, Apo Demirkol, Nicholas Lintzeris, Adrienne Withall
INTRODUCTION: Despite the considerable prevalence of cognitive impairment in substance-using populations, there has been little investigation of the utility of cognitive screening measures within this context. In the present study the accuracy of three cognitive screening measures in this population was examined-the Mini-Mental State Examination (MMSE), the Addenbrooke's Cognitive Examination-Revised (ACE-R), and the Montreal Cognitive Assessment (MoCA). METHOD: A sample of 30 treatment-seeking substance users and 20 healthy individuals living in the community were administered the screening measures and a neuropsychological battery (NPB)...
April 24, 2017: Journal of Clinical and Experimental Neuropsychology
https://www.readbyqxmd.com/read/28435852/changes-in-metabolic-risk-factors-over-10%C3%A2-years-and-their-associations-with-late-life-cognitive-performance-the-multi-ethnic-study-of-atherosclerosis
#8
Timothy M Hughes, Suzanne Craft, Laura D Baker, Mark A Espeland, Stephen R Rapp, Kaycee M Sink, Alain G Bertoni, Gregory L Burke, Rebecca F Gottesman, Erin D Michos, José A Luchsinger, Annette L Fitzpatrick, Kathleen M Hayden
BACKGROUND: We examined whether changes in metabolic factors over 10 years were associated with cognitive performance. METHODS: Participants from the Multi-Ethnic Study of Atherosclerosis were followed since baseline (2000-2002) with five clinical examinations. At exam 5 (2010-2012), they received a short cognitive battery (Cognitive Abilities Screening Instrument [CASI], Digit Symbol Coding [DSC], and Digit Span [DS]). We examined associations between baseline metabolic factors and their changes over time before cognitive testing...
2017: Alzheimer's & Dementia: Diagnosis, Assessment & Disease Monitoring
https://www.readbyqxmd.com/read/28435532/x-ray-structure-of-the-carboplatin-loaded-apo-ferritin-nanocage
#9
Nicola Pontillo, Giarita Ferraro, John R Helliwell, Angela Amoresano, Antonello Merlino
The second-generation Pt anticancer agent carboplatin (CBDCA) was encapsulated within the apo horse spleen ferritin (AFt) nanocage, and the X-ray structure of the drug-loaded protein was refined at 1.49 Å resolution. Two Pt binding sites, different from the one observed in the cisplatin-encapsulated AFt, were identified in Ft subunits by inspection of anomalous electron density maps at two wavelengths and difference Fourier electron density maps, which provide the necessary sensitivity to discriminate between Pt from CBDCA and Cd ions that are present in the crystallization conditions...
April 13, 2017: ACS Medicinal Chemistry Letters
https://www.readbyqxmd.com/read/28434692/immune-hyperreactivity-of-a%C3%AE-plaque-associated-microglia-in-alzheimer-s-disease
#10
Zhuoran Yin, Divya Raj, Nasrin Saiepour, Debby Van Dam, Nieske Brouwer, Inge R Holtman, Bart J L Eggen, Thomas Möller, Joseph A Tamm, Aicha Abdourahman, Elly M Hol, Willem Kamphuis, Thomas A Bayer, Peter P De Deyn, Erik Boddeke
Alzheimer's disease (AD) is strongly associated with microglia-induced neuroinflammation. Particularly, Aβ plaque-associated microglia take on an "activated" morphology. However, the function and phenotype of these Aβ plaque-associated microglia are not well understood. We show hyperreactivity of Aβ plaque-associated microglia upon systemic inflammation in transgenic AD mouse models (i.e., 5XFAD and APP23). Gene expression profiling of Aβ plaque-associated microglia (major histocompatibility complex II(+) microglia) isolated from 5XFAD mice revealed a proinflammatory phenotype...
March 27, 2017: Neurobiology of Aging
https://www.readbyqxmd.com/read/28434655/apolipoprotein-e-receptors-and-modulation-of-alzheimer-s-disease
#11
REVIEW
Na Zhao, Chia-Chen Liu, Wenhui Qiao, Guojun Bu
Apolipoprotein E (apoE) is a lipid carrier in both the peripheral and the central nervous systems. Lipid-loaded apoE lipoprotein particles bind to several cell surface receptors to support membrane homeostasis and injury repair in the brain. Considering prevalence and relative risk magnitude, the ε4 allele of the APOE gene is the strongest genetic risk factor for late-onset Alzheimer's disease (AD). ApoE4 contributes to AD pathogenesis by modulating multiple pathways, including but not limited to the metabolism, aggregation, and toxicity of amyloid-β peptide, tauopathy, synaptic plasticity, lipid transport, glucose metabolism, mitochondrial function, vascular integrity, and neuroinflammation...
March 14, 2017: Biological Psychiatry
https://www.readbyqxmd.com/read/28434209/urine-clusterin-apolipoprotein-j-is-linked-to-tubular-damage-and-renal-outcomes-in-patients-with-type-2-diabetes-mellitus
#12
Sang Soo Kim, Sang Heon Song, Jong Ho Kim, Yun Kyung Jeon, Bo Hyun Kim, Min-Cheol Kang, Sung Wan Chun, Soo Hyun Hong, Michelle Chung, Yong Ki Kim, In Joo Kim, Young-Bum Kim
OBJECTIVE: The objective of this study was to evaluate the association of urine clusterin/apolipoprotein J (Apo J) with the development and/or progression of diabetic kidney disease (DKD) in type 2 diabetes. MATERIALS AND METHODS: 159 type 2 diabetic patients and 20 non-diabetic subjects with estimated glomerular filtration rate (eGFR) ≥60 mL/min/1.73 m(2) were enrolled. The baseline values of urine clusterin and tubular damage markers were measured. The primary outcome was the annual decline rate in eGFR and secondary outcomes were the development of chronic kidney disease (CKD) stage 3 or greater and the persistence/progression of albuminuria...
April 23, 2017: Clinical Endocrinology
https://www.readbyqxmd.com/read/28433630/loss-of-murc-cavin-4-induces-jnk-and-mmp-9-activity-enhancement-in-vascular-smooth-muscle-cells-and-exacerbates-abdominal-aortic-aneurysm
#13
Kotaro Miyagawa, Takehiro Ogata, Tomomi Ueyama, Takeru Kasahara, Naohiko Nakanishi, Daisuke Naito, Takuya Taniguchi, Tetsuro Hamaoka, Naoki Maruyama, Masahiro Nishi, Taizo Kimura, Hiroyuki Yamada, Hiroki Aoki, Satoaki Matoba
Abdominal aortic aneurysm (AAA) is relatively common in elderly patients with atherosclerosis. MURC (muscle-restricted coiled-coil protein)/Cavin-4 modulating the caveolae function of muscle cells is expressed in cardiomyocytes, skeletal muscle cells and smooth muscle cells. Here, we show a novel functional role of MURC/Cavin-4 in vascular smooth muscle cells (VSMCs) and AAA development. Both wild-type (WT) and MURC/Cavin-4 knockout (MURC(-/-)) mice subjected to periaortic application of CaCl2 developed AAAs...
April 19, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28433497/clostridium-difficile-toxin-glucosyltransferase-domains-in-complex-with-a-non-hydrolyzable-udp-glucose-analogue
#14
Joseph W Alvin, D Borden Lacy
Clostridium difficile is the leading cause of hospital-acquired diarrhea and pseudomembranous colitis worldwide. The organism produces two homologous toxins, TcdA and TcdB, which enter and disrupt host cell function by glucosylating and thereby inactivating key signalling molecules within the host. As a toxin-mediated disease, there has been a significant interest in identifying small molecule inhibitors of the toxins' glucosyltransferase activities. This study was initiated as part of an effort to identify the mode of inhibition for a small molecule inhibitor of glucosyltransferase activity called apigenin...
April 19, 2017: Journal of Structural Biology
https://www.readbyqxmd.com/read/28433108/genetic-and-environmental-modifiers-of-wilson-disease
#15
Valentina Medici, Karl-Heinz Weiss
Wilson disease (WD) is characterized by remarkable variety in its phenotypic presentation. Patients with WD can present with hepatic, neurologic, and psychiatric symptoms combined in different and unpredictable ways. Importantly, no convincing phenotype-genotype correlation has ever been identified, opening the possibility that other genes, aside from ATPase copper-transporting beta (ATP7B), are involved in the pathogenesis of this condition. In addition, modifier genes, or genes that can affect the expression of other genes, may be involved...
2017: Handbook of Clinical Neurology
https://www.readbyqxmd.com/read/28431521/a-reference-floral-transcriptome-of-sexual-and-apomictic-paspalum-notatum
#16
Juan Pablo A Ortiz, Santiago Revale, Lorena A Siena, Maricel Podio, Luciana Delgado, Juliana Stein, Olivier Leblanc, Silvina C Pessino
BACKGROUND: Paspalum notatum Flügge is a subtropical grass native to South America, which includes sexual diploid and apomictic polyploid biotypes. In the past decade, a number of apomixis-associated genes were discovered in this species through genetic mapping and differential expression surveys. However, the scarce information on Paspalum sequences available in public databanks limited annotations and functional predictions for these candidates. RESULTS: We used a long-read 454/Roche FLX+ sequencing strategy to produce robust reference transcriptome datasets from florets of sexual and apomictic Paspalum notatum genotypes and delivered a list of transcripts showing differential representation in both reproductive types...
April 21, 2017: BMC Genomics
https://www.readbyqxmd.com/read/28431321/atherogenicity-of-amino-acids-in-the-lipid-laden-macrophage-model-system-in-vitro-and-in-atherosclerotic-mice-a-key-role-for-triglyceride-metabolism
#17
Oren Rom, Claudia Grajeda-Iglesias, Mahmoud Najjar, Niroz Abu-Saleh, Nina Volkova, Dalit Esther Dar, Tony Hayek, Michael Aviram
Atherosclerosis-related research has focused mainly on the effects of lipids on macrophage foam cell formation and atherogenesis, whereas the role of amino acids (AAs) was understudied. The current study aimed to identify anti- or pro-atherogenic AA in the macrophage model system and to elucidate the underlying metabolic and molecular mechanisms. J774A.1 cultured macrophages were treated with increasing concentrations of each 1 of the 20 AAs. Macrophage atherogenicity was assessed in terms of cellular toxicity, generation of reactive oxygen species (ROS) and cellular cholesterol or triglyceride content...
April 6, 2017: Journal of Nutritional Biochemistry
https://www.readbyqxmd.com/read/28430712/apolipoprotein-e-variants-and-genetic-susceptibility-to-combat-related-post-traumatic-stress-disorder-a-meta-analysis
#18
Yang Roby
BACKGROUND: Apolipoprotein E (APOE) has recently been studied as a risk factor for association with developing combat-related post-traumatic stress disorder (PTSD) in the military population. These studies have yielded inconsistent findings. The present study carried out a meta-analysis to establish whether the APOE polymorphism confers increased susceptibility to combat-related PTSD. METHODS: PubMed, Medline, Embase, PsycInfo, and Google Scholar were searched for potential publications relating to patients with PTSD in military settings with combat exposure...
April 18, 2017: Psychiatric Genetics
https://www.readbyqxmd.com/read/28430632/association-analysis-of-apo-gene-polymorphisms-with-ischemic-stroke-risk-a-case-control-study-in-a-chinese-han-population
#19
Rongjun Xiao, Shuaiqi Sun, Jiayi Zhang, Yongri Ouyang, Ning Zhang, Min Yang, Tianbo Jin, Ying Xia
This study aimed to assess the association of APO gene polymorphisms and ischemic stroke risk in a Chinese Han population. In this case-control study, we geno-typed 14 single nucleotide polymorphisms (SNPs) in 3 APO genes in 488 cases and 503 controls using Sequenom Mass-ARRAY technology and evaluated their association with ischemic stroke using the χ2 and genetic model analysis. In the allelic model analysis, we determined three SNPs were significantly associated with ischemic stroke: rs693 with a p value of 0...
February 20, 2017: Oncotarget
https://www.readbyqxmd.com/read/28429734/neuroprotective-pentapeptide-cn-105-is-associated-with-reduced-sterile-inflammation-and-improved-functional-outcomes-in-a-traumatic-brain-injury-murine-model
#20
Daniel T Laskowitz, Haichen Wang, Tony Chen, David T Lubkin, Viviana Cantillana, Tian Ming Tu, Dawn Kernagis, Guanen Zhou, Gary Macy, Bradley J Kolls, Hana N Dawson
At present, there are no proven pharmacological treatments demonstrated to improve long term functional outcomes following traumatic brain injury(TBI). In the setting of non-penetrating TBI, sterile brain inflammatory responses are associated with the development of cerebral edema, intracranial hypertension, and secondary neuronal injury. There is increasing evidence that endogenous apolipoprotein E(apoE) modifies the neuroinflammatory response through its role in downregulating glial activation, however, the intact apoE holoprotein does not cross the blood-brain barrier due to its size...
April 21, 2017: Scientific Reports
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