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https://www.readbyqxmd.com/read/27909828/the-dopamine-related-polymorphisms-bdnf-comt-drd2-drd3-and-drd4-are-not-linked-with-changes-in-csf-dopamine-levels-and-frequency-of-hiv-infection
#1
Anne Horn, C Scheller, S du Plessis, R Burger, G Arendt, J Joska, S Sopper, C M Maschke, M Obermann, I W Husstedt, J Hain, P Riederer, E Koutsilieri
We showed previously that higher levels in CSF dopamine in HIV patients are associated with the presence of the dopamine transporter (DAT) 10/10-repeat allele which was also detected more frequently in HIV-infected individuals compared to uninfected subjects. In the current study, we investigated further whether other genetic dopamine (DA)-related polymorphisms may be related with changes in CSF DA levels and frequency of HIV infection in HIV-infected subjects. Specifically, we studied genetic polymorphisms of brain-derived neurotrophic factor, catechol-O-methyltransferase, and dopamine receptors DRD2, DRD3, and DRD4 genetic polymorphisms in uninfected and HIV-infected people in two different ethnical groups, a German cohort (Caucasian, 72 individuals with HIV infection and 22 individuals without HIV infection) and a South African cohort (Xhosan, 54 individuals with HIV infection and 19 individuals without HIV infection)...
December 1, 2016: Journal of Neural Transmission
https://www.readbyqxmd.com/read/27875832/remediating-hiv-associated-neurocognitive-disorders-via-cognitive-training-a-perspective-on-neurocognitive-aging
#2
David E Vance, Shameka L Cody, Linda Moneyham
Over 50% of adults with HIV exhibit some form of HIV-associated neurocognitive disorder, ranging from mild asymptomatic neurocognitive impairment to HIV-associated dementia. As adults age with HIV and become susceptible to cardiovascular and metabolic comorbidities, the prevalence and severity of such neurocognitive disorders are likely to increase. With compromised renal and hepatic functioning often accompanying HIV, pharmaceutical interventions to address such neurocognitive disorders may not be the best strategy and are not without risks...
2017: Interdisciplinary Topics in Gerontology and Geriatrics
https://www.readbyqxmd.com/read/27868081/blood-brain-barrier-integrity-intrathecal-immunoactivation-and-neuronal-injury-in-hiv
#3
Birgitta Anesten, Aylin Yilmaz, Lars Hagberg, Henrik Zetterberg, Staffan Nilsson, Bruce J Brew, Dietmar Fuchs, Richard W Price, Magnus Gisslén
OBJECTIVE: Although blood-brain barrier (BBB) impairment has been reported in HIV-infected individuals, characterization of this impairment has not been clearly defined. METHODS: BBB integrity was measured by CSF/plasma albumin ratio in this cross-sectional study of 631 HIV-infected individuals and 71 controls. We also analyzed CSF and blood HIV RNA and neopterin, CSF leukocyte count, and neurofilament light chain protein (NFL) concentrations. The HIV-infected participants included untreated neuroasymptomatic patients, patients with untreated HIV-associated dementia (HAD), and participants on suppressive antiretroviral treatment (ART)...
December 2016: Neurology® Neuroimmunology & Neuroinflammation
https://www.readbyqxmd.com/read/27846072/hospitalization-for-anxiety-and-mood-disorders-in-hiv-infected-and-uninfected-gay-and-bisexual-men
#4
Cecilia L Moore, Andrew E Grulich, Garrett Prestage, Heather F Gidding, Fengyi Jin, Kathy Petoumenos, Iryna B Zablotska, I Mary Poynten, Limin Mao, Matthew G Law, Janaki Amin
BACKGROUND: Prevalence of anxiety and mood disorders (AMDs) in HIV-infected individuals has varied widely because of the variety of measurements used and differences in risk factor profiles between different populations. We aimed to examine the relationship between HIV status and hospitalization for AMDs in gay and bisexual men (GBM). DESIGN AND METHODS: HIV-infected (n = 557) and HIV-uninfected (n = 1325) GBM recruited in Sydney, Australia were probabilistically linked to their hospital admissions and death notifications (2000-2012)...
December 15, 2016: Journal of Acquired Immune Deficiency Syndromes: JAIDS
https://www.readbyqxmd.com/read/27833555/ginkgolic-acid-protects-against-a%C3%AE-induced-synaptic-dysfunction-in-the-hippocampus
#5
Dalila Mango, Filippo Weisz, Robert Nisticò
Ginkgo leaf is the most used form of supplement for cognitive ailments. The standardized extract formulation EGb 761 is a dietary supplement with proven benefit in several neurological and psychiatric conditions including memory decline in Alzheimer's disease, schizophrenia and dementia. Ginkgolic acid (GA) is a component of this extract which shows pleiotropic effects including antitumoral and anti-HIV action; however, its effect on memory is still unknown. Here, we carried out an electrophysiological analysis to investigate the effects of GA on long term potentiation and synaptic transmission at CA1 hippocampal synapses...
2016: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/27829986/oxidative-stress-during-hiv-infection-mechanisms-and-consequences
#6
REVIEW
Alexander V Ivanov, Vladimir T Valuev-Elliston, Olga N Ivanova, Sergey N Kochetkov, Elizaveta S Starodubova, Birke Bartosch, Maria G Isaguliants
It is generally acknowledged that reactive oxygen species (ROS) play crucial roles in a variety of natural processes in cells. If increased to levels which cannot be neutralized by the defense mechanisms, they damage biological molecules, alter their functions, and also act as signaling molecules thus generating a spectrum of pathologies. In this review, we summarize current data on oxidative stress markers associated with human immunodeficiency virus type-1 (HIV-1) infection, analyze mechanisms by which this virus triggers massive ROS production, and describe the status of various defense mechanisms of the infected host cell...
2016: Oxidative Medicine and Cellular Longevity
https://www.readbyqxmd.com/read/27828876/improving-detection-of-hiv-associated-cognitive-impairment-comparison-of-the-international-hiv-dementia-scale-and-a-brief-screening-battery
#7
Sergio Monteiro de Almeida, Rujvi Kamat, Mariana Cherner, Anya Umlauf, Clea Elisa Ribeiro, Ana Paula de Pereira, Donald Franklin, Robert K Heaton, Ronald J Ellis
OBJECTIVES: The International HIV Dementia Scale (IHDS) was developed to screen for HIV-associated dementia (HAD), but it has been used more generally for HIV-associated neurocognitive disorder (HAND). This study sought to examine the accuracy of the IHDS in a cohort of Brazilian HIV-infected individuals and compare its performance to an alternative screening battery for detecting HAND. METHODS: 108 participants (including 60 HIV-infected persons), completed the IHDS and a gold standard neuropsychological (NP) battery of 17 tests...
November 4, 2016: Journal of Acquired Immune Deficiency Syndromes: JAIDS
https://www.readbyqxmd.com/read/27821271/screening-hiv-associated-neurocognitive-disorders-hand-among-hiv-positive-patients-attending-antiretroviral-therapy-in-south-wollo-ethiopia
#8
Million Tsegaw, Gashaw Andargie, Getnet Alem, Minale Tareke
BACKGROUND: The vast majority of people living with HIV/AIDS reside in low and middle income countries, particularly in Sub-Saharan Africa, including Ethiopia. Despite the huge number of service users in the local area, cognitive disorder among HIV patients has not been extensively studied and there is a dearth of knowledge on the subject. The objective of this study was to assess the prevalence and associated factors of HIV-associated neurocognitive disorder among people living with HIV/AIDS in antiretroviral therapy (ART) clinics...
October 26, 2016: Journal of Psychiatric Research
https://www.readbyqxmd.com/read/27815816/a-decreasing-cd4-cd8-ratio-over-time-and-lower-csf-penetrating-antiretroviral-regimens-are-associated-with-a-higher-risk-of-neurocognitive-deterioration-independently-of-viral-replication
#9
Matteo Vassallo, R Fabre, J Durant, C Lebrun-Frenay, H Joly, M Ticchioni, F DeSalvador, A Harvey-Langton, B Dunais, M Laffon, J Cottalorda, P Dellamonica, C Pradier
Persistent immune activation is one of the suspected causes of HIV-associated neurocognitive disorders (HAND) in cART era. The CD4/CD8 ratio has been recently showed as a marker of immune activation and HAND. Our aim was to analyze if a decrease in the CD4/CD8 ratio over time could have an impact on neurocognitive deterioration. Randomly selected HIV-infected patients were followed for neuropsychological (NP) testing during a period of almost 2 years. Tests were adjusted for age, gender, and education. Patients were divided into 5 groups: normal tests (NT), neuropsychological deficit (ND, one impaired cognitive domain), asymptomatic neurocognitive disorders (ANI), mild neurocognitive disorders (MND), and HIV-associated dementia (HAD)...
November 4, 2016: Journal of Neurovirology
https://www.readbyqxmd.com/read/27785907/associations-between-cognitive-impairment-and-patient-reported-measures-of-physical-mental-functioning-in-older-people-living-with-hiv
#10
J Underwood, D De Francesco, F A Post, J H Vera, I Williams, M Boffito, P W Mallon, J Anderson, M Sachikonye, C Sabin, A Winston
OBJECTIVES: While cognitive impairment is frequently reported in HIV-positive individuals and has historically been associated with poorer functional outcomes, the associations between cognitive impairment and patient-reported outcome measures (PROMs) in contemporary cohorts are unclear. METHODS: We tested cognitive function using a computerized battery (CogState(™) ) in 290 HIV-positive and 97 HIV-negative individuals aged ≥ 50 years participating in the Pharmacokinetic and Clinical Observations in People Over Fifty (POPPY) study...
October 26, 2016: HIV Medicine
https://www.readbyqxmd.com/read/27781099/related-or-not-development-of-spontaneous-creutzfeldt-jakob-disease-in-a-patient-with-chronic-well-controlled-hiv-a-case-report-and-review-of-the-literature
#11
M-Alain Babi, Bryan D Kraft, Sweta Sengupta, Haley Peterson, Ryan Orgel, Zachary Wegermann, Njira L Lugogo, Matthew W Luedke
BACKGROUND: We report a novel case of a rare disease: spontaneous Creutzfeldt-Jakob disease in a patient with well-controlled HIV. We explore the relationship between spontaneous Creutzfeldt-Jakob disease and HIV. CASE REPORT: A 66-year-old man with long-standing, well-controlled HIV infection presented with 3 months of progressive, subacute neurocognitive decline. His symptoms included conceptual apraxia, apathy, memory impairment, and gait disturbance, and were initially attributed to depressive "pseudo-dementia...
2016: SAGE Open Med Case Rep
https://www.readbyqxmd.com/read/27759759/human-immunodeficiency-virus-in-institutionalized-elderly-people
#12
Milton Luiz Gorzoni, Sueli Luciano Pires, Lilian de Fátima Costa Faria, Márcia Regina Valadares Aguado, Miriam Carmen Santana
CONTEXT AND OBJECTIVE: A search in the SciELO and PubMed databases showed few studies on human immunodeficiency virus (HIV) positive individuals in long-term care institutions (LTCIs), thus prompting the present study. The aim of this study was to ascertain whether there were any HIV-positive individuals in LTCIs for the elderly. DESIGN AND SETTING: Cross-sectional study in which the Hospital Infection Control Committee (HICC) of a 405-bed LTCI was consulted. METHODS: The medical records of 405 individuals interned in the LTCI who had been tested for HIV infection were requested for analysis of the following variables: [1] age and gender; [2] length of stay at LTCI (months); [3] causes and diagnoses on admission to LTCI according to International Classification of Diseases, 10th edition; [4] date of HIV diagnosis; [5] seropositivity for syphilis and hepatitis B and C viruses; [6] medications used at last prescription in medical file; and [7] mean CD4 lymphocyte count based on: total lymphocyte count/6 and total lymphocyte count x 0...
October 13, 2016: São Paulo Medical Journal, Revista Paulista de Medicina
https://www.readbyqxmd.com/read/27733281/global-regional-and-national-life-expectancy-all-cause-mortality-and-cause-specific-mortality-for-249-causes-of-death-1980-2015-a-systematic-analysis-for-the-global-burden-of-disease-study-2015
#13
COMMENT
(no author information available yet)
BACKGROUND: Improving survival and extending the longevity of life for all populations requires timely, robust evidence on local mortality levels and trends. The Global Burden of Disease 2015 Study (GBD 2015) provides a comprehensive assessment of all-cause and cause-specific mortality for 249 causes in 195 countries and territories from 1980 to 2015. These results informed an in-depth investigation of observed and expected mortality patterns based on sociodemographic measures. METHODS: We estimated all-cause mortality by age, sex, geography, and year using an improved analytical approach originally developed for GBD 2013 and GBD 2010...
October 8, 2016: Lancet
https://www.readbyqxmd.com/read/27712132/diagnostic-utility-of-the-hiv-dementia-scale-and-the-international-hiv-dementia-scale-in-screening-for-hiv-associated-neurocognitive-disorders-among-spanish-speaking-adults
#14
Enrique López, Alexander J Steiner, Kimberly Smith, Nicholas S Thaler, David J Hardy, Andrew J Levine, Hussah T Al-Kharafi, Cristina Yamakawa, Karl Goodkin
Given that neurocognitive impairment is a frequent complication of HIV-1 infection in Spanish-speaking adults, the limited number of studies assessing HIV-associated neurocognitive disorders (HAND) in this population raises serious clinical concern. In addition to being appropriately translated, instruments need to be modified, normed, and validated accordingly. The purpose of the current study was to examine the diagnostic utility of the HIV Dementia Scale (HDS) and International HIV Dementia Scale (IHDS) to screen for HAND in Spanish-speaking adults living with HIV infection...
August 15, 2016: Applied Neuropsychology. Adult
https://www.readbyqxmd.com/read/27643907/hiv-associated-neurologic-disorders-and-central-nervous-system-opportunistic-infections-in-hiv
#15
Leah T Le, Serena S Spudich
Since the advent of combination antiretroviral therapy (cART), HIV has transformed from a fatal disease to a chronic illness that often presents with milder central nervous system (CNS) symptoms laced with related confounders. The immune recovery associated with access to cART has led to a new spectrum of immune-mediated presentations of infection, phenotypically distinct from the conditions observed in advanced disease.HIV-associated neurocognitive disorder (HAND) entails a categorized continuum of disorders reflecting an array of clinical presentation, outcome, and increasing level of severity: asymptomatic neurocognitive impairment (ANI), mild neurocognitive disorder (MND), and HIV-associated dementia (HAD)...
August 2016: Seminars in Neurology
https://www.readbyqxmd.com/read/27626305/depression-and-diagnosis-of-neurocognitive-impairment-in-hiv-positive-patients
#16
C A T Pinheiro, L D M Souza, J V S Motta, E F Kelbert, M S Souza, C S R Martins, F M C Coelho, K A T Pinheiro, R T Pinheiro
Neurocognitive impairment (NCI) is frequently observed in patients infected with human immunodeficiency virus (HIV) and results from the compromise of subcortical brain structures by the virus. The manifestations of NCI range from asymptomatic impairment to dementia. In addition to cognitive impairment resulting from HIV infection, other factors such as depression are associated with the loss of cognitive functions. The aim of this study was to estimate the prevalence of NCI in HIV-positive patients in a city in southern Brazil and to establish possible associations for the prevalence of NCI with HIV-related and other risk factors...
September 12, 2016: Brazilian Journal of Medical and Biological Research, Revista Brasileira de Pesquisas Médicas e Biológicas
https://www.readbyqxmd.com/read/27608675/relationship-between-hiv-stage-and-psychomotor-speed-neurocognitive-score-at-a-kenyan-sub-county-hospital
#17
Rachael N Kinuthia, Benson N Gakinya, Joseph M Thigiti
BACKGROUND: Human immunodeficiency virus (HIV) and acquired immunodeficiency syndrome (AIDS) is associated with cognitive impairment which affects psychomotor speed. Psychomotor slowing is a predictor of dementia and death in people living with HIV and AIDS. The purpose of this study was to assess the relationship between HIV disease stage and psychomotor speed neurocognitive score which will add to the body of knowledge required to manage patients with HIV and AIDS. OBJECTIVE: To determine the relationship between psychomotor speed neurocognitive score and the HIV disease stage in adults at initiation of care...
2016: African Journal of Primary Health Care & Family Medicine
https://www.readbyqxmd.com/read/27604445/hiv-infection-presenting-with-dementia
#18
K Narayanan, Avneet Gupta, S Manoj, Kp Seshadri
We present a case of dementia in a young healthy individual. On evaluation he was detected to have HIV infection with low CD4 count and a high viral load. He had no opportunistic infections or any other AIDS defining illnesses. He recovered fully within 3 months of antiretroviral therapy.
August 2015: Journal of the Association of Physicians of India
https://www.readbyqxmd.com/read/27510645/low-levels-of-neurocognitive-impairment-detected-in-screening-hiv-infected-men-who-have-sex-with-men-the-msm-neurocog-study
#19
T J Barber, L Bansi, A Pozniak, D Asboe, M Nelson, G Moyle, N Davies, A Margetts, D Ratcliffe, J Catalan, M Boffito, B Gazzard
This study aimed to determine the prevalence of HIV neurocognitive impairment in HIV-infected men who have sex with men aged 18-50 years, using a simple battery of screening tests in routine clinical appointments. Those with suspected abnormalities were referred on for further assessment. The cohort was also followed up over time to look at evolving changes. HIV-infected participants were recruited at three clinical sites in London during from routine clinical visits. They could be clinician or self-referred and did not need to be symptomatic...
August 10, 2016: International Journal of STD & AIDS
https://www.readbyqxmd.com/read/27510644/stroke-in-a-young-patient-with-neurosyphilis-and-hiv
#20
Riddhi Patira, Sarah Smith-Benjamin, Jijo J Wang
Syphilis has long been known as the great imitator. Its heterogeneity can manifest in the form of meningitis, space occupying gummas, vasculitis, strokes, cranial neuropathies, myelopathy, dementia, and seizures. The incidence has been rising with each year, mainly in men who have sex with men accounting for 83% of cases. With the coexistence of immunocompromised states, especially HIV (human immunodeficiency virus), the usually chronic and insidious course of tertiary neurosyphilis can be accelerated. Stroke can occur as a result of neurosyphilis in its meningovascular form, and the likelihood of this increases with HIV co-infection, especially in high-risk groups such as intravenous drug users and men who have sex with men...
August 10, 2016: International Journal of STD & AIDS
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