keyword
MENU ▼
Read by QxMD icon Read
search

HIV pathogenesis

keyword
https://www.readbyqxmd.com/read/28328552/il-1%C3%AE-levels-are-associated-with-chronic-multisite-pain-in-people-living-with-hiv
#1
Jessica S Merlin, Andrew O Westfall, Sonya L Heath, Burel R Goodin, Jesse C Stewart, Robert E Sorge, Jarred Younger
BACKGROUND: The pathophysiology of chronic pain experienced by people living with HIV (PLWH) in the current antiretroviral treatment era is poorly understood. We sought to investigate the relationship between inflammation and chronic pain in PLWH. We hypothesized that, among PLWH who have undetectable HIV viral loads, those with Chronic Multisite Pain (CMP) would have higher levels of circulating pain-related inflammatory markers than those without chronic pain. SETTING: This study was conducted at the University of Alabama at Birmingham's Center for AIDS Research Network of Integrated Clinical System (CNICS) site...
March 20, 2017: Journal of Acquired Immune Deficiency Syndromes: JAIDS
https://www.readbyqxmd.com/read/28323897/hcv-coinfection-contributes-to-hiv-pathogenesis-by-increasing-immune-exhaustion-in-cd8-t-cells
#2
Norma Rallón, Marcial García, Javier García-Samaniego, Noelia Rodríguez, Alfonso Cabello, Clara Restrepo, Beatriz Álvarez, Rosa García, Miguel Górgolas, José M Benito
BACKGROUND: There are several contributors to HIV-pathogenesis or insufficient control of the infection. However, whether HIV/HCV-coinfected population exhibits worst evolution of HIV-pathogenesis remains unclear. Recently, some markers of immune exhaustion have been proposed as preferentially upregulated on T-cells during HIV-infection. Herein, we have analyzed T-cell exhaustion together with several other contributors to HIV-pathogenesis that could be affected by HCV-coinfection. PATIENTS AND METHODS: Ninety-six patients with chronic HIV-infection (60 HIV-monoinfected and 36 HIV/HCV-coinfected), and 20 healthy controls were included in the study...
2017: PloS One
https://www.readbyqxmd.com/read/28315271/role-of-sigma-1-receptor-in-cocaine-abuse-and-neurodegenerative-disease
#3
Yu Cai, Lu Yang, Fang Niu, Ke Liao, Shilpa Buch
Sigma-1 receptors (Sig-1R) are recognized as a unique class of non-G protein-coupled intracellular protein. Sig-1R binds to its ligand such as cocaine , resulting in dissociation of Sig-1R from mitochondrion-associated ER membrane (MAM) to the endoplasmic reticulum (ER), plasma membrane, and nuclear membrane, regulating function of various proteins. Sig-1R has diverse roles in both physiological as well as in pathogenic processes. The disruption of Sig-1R pathways has been implicated as causative mechanism(s) in the development of both neurodegenerative disorders such as Alzheimer disease (AD ), Parkinson disease (PD ), amyotrophic lateral sclerosis (ALS ) and Huntington Disease (HD ) ...
2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/28294590/successful-omalizumab-treatment-in-hiv-positive-patient-with-chronic-spontaneous-urticaria-a-case-report
#4
E Iemoli, F Niero, L Borgonovo, M V Cossu, S Piconi
We described a case of a 56 year old homosexual HIV positive man who presented a history of CSU since one year (2012). All the allergologic, immunologic and microbiologic tests to evaluate the pathogenesis of wheals resulted negative. Therefore in June 2015 we decided to start therapy with Omalizumab while the patient kept on effective antiretroviral therapy with 310 cells/mm3 TCD4 counts and undetectable HIV viremia. After two monthly subcutaneuous injection of 150 mg of Omalizumab the patient had no more urticarial symptoms...
March 2017: European Annals of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28285796/cardiovascular-disease-in-women-with-hiv-1-infection
#5
Massimo Volpe, Alessia Uglietti, Antonella Castagna, Cristina Mussini, Giulia Marchetti, Rita Bellagamba, Teresa Bini, Daniela Mancusi, Roberta Termini
Cardiovascular disease is a leading cause of death in women, nevertheless it is often underestimated in female patients without overt risk factors. The chronic infection by Human Immunodeficiency Virus (HIV) is clearly associated, along with the use of certain antiretroviral drugs and traditional risk factors, with an increased risk of cardiovascular diseases. The aim of this manuscript is to review the epidemiology, risk factors, pathogenesis, diagnostic approach, primary and secondary prevention strategies of cardiovascular disease in HIV-negative and HIV-positive female subjects...
February 27, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28283598/leptomeningeal-gadolinium-enhancement-across-the-spectrum-of-chronic-neuroinflammatory-diseases
#6
Martina Absinta, Irene C M Cortese, Luisa Vuolo, Govind Nair, Manori P de Alwis, Joan Ohayon, Alessandro Meani, Vittorio Martinelli, Roberta Scotti, Andrea Falini, Bryan R Smith, Avindra Nath, Steven Jacobson, Massimo Filippi, Daniel S Reich
OBJECTIVE: To assess the prevalence and the specificity of leptomeningeal enhancement (LME) on postcontrast T2-fluid-attenuated inversion recovery (FLAIR) MRI in multiple sclerosis (MS) compared to a variety of inflammatory and noninflammatory neurologic conditions assessed in 2 academic research hospitals. METHODS: On 3T postcontrast T2-FLAIR images, the presence of focal gadolinium enhancement was evaluated in the leptomeningeal compartment in 254 people with non-MS neurologic conditions or neurotropic viral infections...
March 10, 2017: Neurology
https://www.readbyqxmd.com/read/28276994/immunosenescence-and-hurdles-in-the-clinical-management-of-older-hiv-patients
#7
Marco Ripa, Stefania Chiappetta, Giuseppe Tambussi
People living with HIV (PLWH) who are treated with effective highly active antiretroviral therapy (HAART) have a similar life expectancy to the general population. Moreover, an increasing proportion of new HIV diagnoses are made in people older than 50 y. The number of older HIV-infected patients is thus constantly growing and it is expected that by 2030 around 70% of PLWH will be more than 50 y old. On the other hand, HIV infection itself is responsible for accelerated immunosenescence, a progressive decline of immune system function in both the adaptive and the innate arm, which impairs the ability of an individual to respond to infections and to give rise to long-term immunity; furthermore, older patients tend to have a worse immunological response to HAART...
February 21, 2017: Virulence
https://www.readbyqxmd.com/read/28275455/country-of-residence-is-associated-with-distinct-inflammatory-biomarker-signatures-in-hiv-infected-patients
#8
EDITORIAL
Maura Manion, Bruno B Andrade, Rebecca DerSimonian, Wenjuan Gu, Adam Rupert, Laura W Musselwhite, Juan G Sierra-Madero, Pablo F Belaunzaran-Zamudio, Ian Sanne, Michael M Lederman, Irini Sereti
BACKGROUND: Inflammation and coagulation biomarkers are independent predictors of morbidity and mortality in HIV-infected patients. The impact of country of residence on these biomarkers is unknown and was investigated in persons at similar stages of HIV infection. METHODS: Cryopreserved plasma specimens were analysed from 267 ART-naive patients with CD4 cell counts <100 cells/μl from Mexico (n=124) and South Africa (n=143). Biomarkers were compared and dimension reduction analyses were performed to highlight biosignatures according to nationality, gender and tuberculosis co-infection...
January 1, 2017: Journal of Virus Eradication
https://www.readbyqxmd.com/read/28275190/identification-of-serinc5-001-as-the-predominant-spliced-isoform-for-hiv-1-restriction
#9
Xianfeng Zhang, Tao Zhou, Jie Yang, Yumei Lin, Jing Shi, Xihe Zhang, Dylan A Frabutt, Xiangwei Zeng, Sunan Li, Patrick J Venta, Yong-Hui Zheng
Among the five serine incorporator (SERINC) family members, SERINC5 (Ser5) was reported to strongly inhibit HIV-1 replication, which is counteracted by Nef. Ser5 produces 5 alternatively spliced isoforms: Ser5-001 has 10 putative transmembrane domains, whereas Ser5-004, -005, -008a, and -008b do not have the last one. Here, we confirmed the strong Ser5 anti-HIV-1 activity and investigated its isoforms' expression and antiviral activity. It was found that Ser5-001 transcripts were detected at least 10-fold more than the other isoforms by real-time quantitative PCR...
March 8, 2017: Journal of Virology
https://www.readbyqxmd.com/read/28265887/coronary-artery-disease-in-hiv-infected-patients-downside-of-living-longer
#10
REVIEW
John Charles A Lacson, Revery P Barnes, Hossein Bahrami
PURPOSE OF REVIEW: Introduction of combination antiretroviral therapy (ART) has increased the life expectancy of patients with HIV infection, allowing them to live longer with this chronic medical condition and consequently experiencing conditions such as cardiovascular diseases (CVDs). Several studies have investigated the increased risk of CVD in people living with HIV (PLWH). However, less is known about the exact mechanisms involved in this increased risk. Also, specific guidelines for management of CVD in PLWH have not been developed yet...
April 2017: Current Atherosclerosis Reports
https://www.readbyqxmd.com/read/28265856/dram-is-involved-in-regulating-nucleoside-analog-induced-neuronal-autophagy-in-a-p53-independent-manner
#11
Ziyun Gao, Junqi Shan, Bishi Wang, Luxin Qiao, Dexi Chen, Yulin Zhang
The widespread use of combined anti-retroviral therapy (cART) has not decreased the prevalence of HIV-1-associated neurocognitive disorder (HAND), a type of neurodegenerative disease, even though cART effectively inhibits virus colonization in the central nervous system. Therefore, anti-retroviral agents cannot be fully excluded from the pathogenesis of HAND. Our previous study reported that long-term nucleoside analogue (NA) exposure induced mitochondrial toxicity in the cortical neurons of HAND patients and mice, but the exact mechanism of NA-associated neurotoxicity has remained unclear...
March 6, 2017: Molecular Neurobiology
https://www.readbyqxmd.com/read/28259888/hiv-associated-kaposi-s-sarcoma
#12
Christian Hoffmann, Michael Sabranski, Stefan Esser
Kaposi's sarcoma (KS) is still one of the most common malignancies in patients with human immunodeficiency virus (HIV) infection. Large randomized clinical trials have shown a protective effect of combination antiretroviral therapy (cART) against the development of KS, even in patients with a relatively preserved immune system. In patients with sufficient cART, KS has become a rarity. In most patients with HIV-associated KS who initiate cART, the KS lesions stabilize with decreasing HIV plasma viremia and immune reconstitution, or even resolve completely without any specific treatment...
2017: Oncology Research and Treatment
https://www.readbyqxmd.com/read/28259887/hiv-associated-lung-cancer
#13
Til R Kiderlen, Jan Siehl, Marcus Hentrich
Lung cancer (LC) is one of the most common non-AIDS (acquired immune deficiency syndrome)-defining malignancies. It occurs more frequently in persons living with human immunodeficiency virus (PLWHIV) than in the HIV-negative population. Compared to their HIV-negative counterparts, patients are usually younger and diagnosed at more advanced stages. The pathogenesis of LC in PLWHIV is not fully understood, but immunosuppression in combination with chronic infection and the oncogenic effects of smoking and HIV itself all seem to play a role...
2017: Oncology Research and Treatment
https://www.readbyqxmd.com/read/28255515/microarrays-enabled-hypothesis-generation-the-suspect-role-of-fnbp-1-in-neuropsychiatric-pathogenesis-associated-with-hiv-and-or-hcv-infection
#14
A Katsounas, K R Wilting, R A Lempicki, J F Schlaak, G Gerken
OBJECTIVE: The spectrum of neuropsychiatric illness (NI) associated with the Human Immunodeficiency Virus (HIV) and/or the Hepatitis C Virus (HCV) is far reaching and significantly impacts the clinical presentation and outcome of infected persons; however, the etiological and pathophysiological background remains partially understood. The present work was aimed to investigate the potential significance of formin binding protein 1 (FNBP-1)-dependent pathways in NI-pathogenesis by elaborating on previous microarray-based research in HIV and/or HCV-infected patients receiving interferon-α (IFN-α) immunotherapy via a rigorous data mining procedure...
December 2016: Journal of AIDS & Clinical Research
https://www.readbyqxmd.com/read/28252527/soluble-cd163-predicts-incident-chronic-lung-kidney-and-liver-disease-in-hiv-infection
#15
Ditte M Kirkegaard-Klitbo, Niels Mejer, Troels B Knudsen, Holger J Møller, Søren K Moestrup, Susanne D Nielsen, Gitte Kronborg, Thomas Benfield
OBJECTIVE: To examine if monocyte and macrophage activity may be on the mechanistic pathway to non-AIDS comorbidity by investigating the associations between plasma soluble CD163 (sCD163) and incident non-AIDS comorbidities in well-treated HIV-infected individuals. DESIGN: Prospective single-center cohort study. METHODS: Plasma sCD163 was quantified by ELISA technique at study entry in 2004/05 and non-AIDS comorbidity was identified by International Classification of Disease Tenth revision (ICD-10) diagnosis codes and registry linkage in 2014/2015...
March 1, 2017: AIDS
https://www.readbyqxmd.com/read/28250134/mir-126-5p-enhances-the-inflammatory-responses-of-monocytes-to-lps-stimulation-by-suppressing-cyld-in-chronic-hiv-1-infection
#16
Jun Huang, Lingyan Zhu, Chao Qiu, Xuan Xu, Linxia Zhang, Xiangqing Ding, Qibin Liao, Jianqing Xu, Xiaoyan Zhang
Persistent immune activation during chronic human immunodeficiency virus-1 (HIV-1) infection facilitates immune dysfunction and thereby fuels disease progression. The translocation of bacterial derivatives into blood and the hyper-inflammatory responsiveness of monocytes have been considered important causative factors for persistent immune activation. Whether microRNAs (miRNAs) involve in regulating monocyte-mediated inflammatory responses during chronic HIV-1 infection remains elusive. In this study, we show that miR-126-5p functions as a positive regulator of monocyte-mediated inflammatory responses...
March 1, 2017: Journal of Virology
https://www.readbyqxmd.com/read/28241075/the-transcriptome-of-hiv-1-infected-intestinal-cd4-t-cells-exposed-to-enteric-bacteria
#17
Alyson C Yoder, Kejun Guo, Stephanie M Dillon, Tzu Phang, Eric J Lee, Michael S Harper, Karen Helm, John C Kappes, Christina Ochsenbauer, Martin D McCarter, Cara C Wilson, Mario L Santiago
Global transcriptome studies can help pinpoint key cellular pathways exploited by viruses to replicate and cause pathogenesis. Previous data showed that laboratory-adapted HIV-1 triggers significant gene expression changes in CD4+ T cell lines and mitogen-activated CD4+ T cells from peripheral blood. However, HIV-1 primarily targets mucosal compartments during acute infection in vivo. Moreover, early HIV-1 infection causes extensive depletion of CD4+ T cells in the gastrointestinal tract that herald persistent inflammation due to the translocation of enteric microbes to the systemic circulation...
February 2017: PLoS Pathogens
https://www.readbyqxmd.com/read/28225803/bacterial-expression-correct-membrane-targeting-and-functional-folding-of-the-hiv-1-membrane-protein-vpu-using-a-periplasmic-signal-peptide
#18
Arpan Deb, William A Johnson, Alexander P Kline, Boston J Scott, Lydia R Meador, Dustin Srinivas, Jose M Martin-Garcia, Katerina Dörner, Chad R Borges, Rajeev Misra, Brenda G Hogue, Petra Fromme, Tsafrir S Mor
Viral protein U (Vpu) is a type-III integral membrane protein encoded by Human Immunodeficiency Virus-1 (HIV- 1). It is expressed in infected host cells and plays several roles in viral progeny escape from infected cells, including down-regulation of CD4 receptors. But key structure/function questions remain regarding the mechanisms by which the Vpu protein contributes to HIV-1 pathogenesis. Here we describe expression of Vpu in bacteria, its purification and characterization. We report the successful expression of PelB-Vpu in Escherichia coli using the leader peptide pectate lyase B (PelB) from Erwinia carotovora...
2017: PloS One
https://www.readbyqxmd.com/read/28224433/association-of-hla-alleles-a-b-drb1-and-hiv-1-infection-in-the-han-population-of-hubei-china
#19
Wang-Xia Li, Jia-An Xia, Xia Zhou, Yan Ma, Gang Shen, Feng-Wu Qiu
The HIV susceptibility and resistance alleles in the HLA genes were determined by investigating the distribution characteristics of the HLA alleles (A, B, and DRB1) in HIV-infected individuals of the Han population in Hubei, and by comparing these alleles with HIV-negative individuals from the same area. A cohort of 424 HIV-1 infected individuals were chosen as study subjects, and 836 HIV-negative healthy subjects from the same area served as the control population. HLA-A, B, and DRB1 allele typing was performed using polymerase chain reaction-sequence-specific oligonucleotide probes (PCR-SSOP) and polymerase chain reaction-sequencing based typing (PCR-SBT) techniques...
February 2017: Journal of Huazhong University of Science and Technology. Medical Sciences
https://www.readbyqxmd.com/read/28224079/altered-structural-brain-changes-and-neurocognitive-performance-in-pediatric-hiv
#20
Santosh K Yadav, Rakesh K Gupta, Ravindra K Garg, Vimala Venkatesh, Pradeep K Gupta, Alok K Singh, Sheema Hashem, Asma Al-Sulaiti, Deepak Kaura, Ena Wang, Francesco M Marincola, Mohammad Haris
Pediatric HIV patients often suffer with neurodevelopmental delay and subsequently cognitive impairment. While tissue injury in cortical and subcortical regions in the brain of adult HIV patients has been well reported there is sparse knowledge about these changes in perinatally HIV infected pediatric patients. We analyzed cortical thickness, subcortical volume, structural connectivity, and neurocognitive functions in pediatric HIV patients and compared with those of pediatric healthy controls. With informed consent, 34 perinatally infected pediatric HIV patients and 32 age and gender matched pediatric healthy controls underwent neurocognitive assessment and brain magnetic resonance imaging (MRI) on a 3 T clinical scanner...
2017: NeuroImage: Clinical
keyword
keyword
106664
1
2
Fetch more papers »
Fetching more papers... Fetching...
Read by QxMD. Sign in or create an account to discover new knowledge that matter to you.
Remove bar
Read by QxMD icon Read
×

Search Tips

Use Boolean operators: AND/OR

diabetic AND foot
diabetes OR diabetic

Exclude a word using the 'minus' sign

Virchow -triad

Use Parentheses

water AND (cup OR glass)

Add an asterisk (*) at end of a word to include word stems

Neuro* will search for Neurology, Neuroscientist, Neurological, and so on

Use quotes to search for an exact phrase

"primary prevention of cancer"
(heart or cardiac or cardio*) AND arrest -"American Heart Association"