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Herpes immunodeficiency

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https://www.readbyqxmd.com/read/28809154/interaction-between-herpesvirus-entry-mediator-and-hsv-2-glycoproteins-mediates-hiv-1-entry-of-hsv-2-infected-epithelial-cells
#1
Kai Hu, Siyi He, Juhua Xiao, Mei Li, Sukun Luo, Mudan Zhang, Qinxue Hu
Herpes simplex virus type 2 (HSV-2) increases human immunodeficiency virus type 1 (HIV-1) acquisition and transmission via unclear mechanisms. Herpesvirus entry mediator (HVEM), an HSV-2 entry receptor, is highly expressed on HIV-1 target cells (CD4+ T cells) and may be incorporated into HIV-1 virions, while HSV-2 glycoproteins can be present on the infected cell surface. Since HVEM-gD interaction together with gB/gH/gL is essential for HSV-2 entry, HVEM-bearing HIV-1 (HIV-1/HVEM) may enter HSV-2-infected cells through such interactions...
August 15, 2017: Journal of General Virology
https://www.readbyqxmd.com/read/28797967/multipurpose-tenofovir-disoproxil-fumarate-electrospun-fibers-for-the-prevention-of-hiv-1-and-hsv-2-infections-in-vitro
#2
Kevin M Tyo, Hung R Vuong, Danial A Malik, Lee B Sims, Houda Alatassi, Jinghua Duan, Walter H Watson, Jill M Steinbach-Rankins
Sexually transmitted infections affect hundreds of millions of people worldwide. Both human immunodeficiency virus (HIV-1 and -2) and herpes simplex virus-2 (HSV-2) remain incurable, urging the development of new prevention strategies. While current prophylactic technologies are dependent on strict user adherence to achieve efficacy, there is a dearth of delivery vehicles that provide discreet and convenient administration, combined with prolonged-delivery of active agents. To address these needs, we created electrospun fibers (EFs) comprised of FDA-approved polymers, poly(lactic-co-glycolic acid) (PLGA) and poly(DL-lactide-co-ε-caprolactone) (PLCL), to provide sustained-release and in vitro protection against HIV-1 and HSV-2...
August 7, 2017: International Journal of Pharmaceutics
https://www.readbyqxmd.com/read/28760579/survival-of-ipsc-derived-grafts-within-the-striatum-of-immunodeficient-mice-importance-of-developmental-stage-of-both-transplant-and-host-recipient
#3
Colton M Tom, Shahab Younesi, Elana Meer, Catherine Bresee, Marlesa Godoy, Virginia B Mattis
Degeneration of the striatum can occur in multiple disorders with devastating consequences for the patients. Infantile infections with streptococcus, measles, or herpes can cause striatal necrosis associated with dystonia or dyskinesia; and in patients with Huntington's disease the striatum undergoes massive degeneration leading to behavioral, psychological and movement issues, ultimately resulting in death. Currently, only supportive therapies are available for striatal degeneration. Clinical trials have shown some efficacy using transplantation of fetal-derived primary striatal progenitors...
July 28, 2017: Experimental Neurology
https://www.readbyqxmd.com/read/28757763/immune-reconstitution-inflammatory-syndrome-associated-disseminated-kaposi-s-sarcoma-in-a-patient-infected-with-human-immunodeficiency-virus-report-of-an-autopsy-case
#4
Chiu-Hsuan Cheng, Yung-Hsiang Hsu
Immune reconstitution inflammatory syndrome is a collection of inflammatory disorders associated with paradoxical worsening of preexisting infectious processes following the initiation of highly active antiretroviral therapy (HAART) in individuals infected with human immunodeficiency virus (HIV). It involves a wide range of pathogens, neoplasms such as Kaposi's sarcoma (KS) and some autoimmune diseases. We describe an autopsy report of a 40-year-old man infected with HIV. He experienced a rapid dissemination of KS resulting in death within 6 months after starting HAART...
January 2017: Ci Ji Yi Xue za Zhi, Tzu-chi Medical Journal
https://www.readbyqxmd.com/read/28743856/kaposi-sarcoma-in-an-human-immunodeficiency-virus-hiv-seronegative-mediterranean-female-report-of-a-rare-case
#5
Marios Grigoriou, Konstantinia E Kofina, Aristeidis Ioannidis, Domniki K Gerasimidou, Christoforos Efthymiadis, Thomas Zaramboukas
BACKGROUND Kaposi sarcoma is a malignancy commonly linked to HIV infection or immunosuppression. An association with human herpes virus 8 (HHV-8) infection has also been reported. We present a case of classic Kaposi sarcoma in a female Mediterranean patient. CASE REPORT A 57-year-old white female of Greek ethnicity, with no history of HIV infection or immunosuppression, presented to the Surgical Out-patient Department of our Center, with complaints of extensive discolored skin lesion on both legs, initially considered as chronic vein insufficiency...
July 26, 2017: American Journal of Case Reports
https://www.readbyqxmd.com/read/28730326/infectious-diseases-causing-autonomic-dysfunction
#6
REVIEW
Francisco Javier Carod Artal
OBJECTIVES: To review infectious diseases that may cause autonomic dysfunction. METHODS: Review of published papers indexed in medline/embase. RESULTS: Autonomic dysfunction has been reported in retrovirus (human immunodeficiency virus (HIV), human T-lymphotropic virus), herpes viruses, flavivirus, enterovirus 71 and lyssavirus infections. Autonomic dysfunction is relatively common in HIV-infected patients and heart rate variability is reduced even in early stages of infection...
July 20, 2017: Clinical Autonomic Research: Official Journal of the Clinical Autonomic Research Society
https://www.readbyqxmd.com/read/28723706/oral-shedding-of-herpesviruses-in-hiv-patients-with-varying-degrees-of-immune-status
#7
Dirk P Dittmer, Kristen Tamburro, Huichao Chen, Anthony Lee, Marcia K Sanders, Tischan A Wade, Sonia Napravnik, Jennifer Webster-Cyriaque, Mahmoud Ghannoum, Caroline H Shiboski, Judith A Aberg
OBJECTIVE: Herpesvirus shedding in the oral cavity was analyzed to determine if presence in the oral compartment correlates with systemic changes in HIV-associated immune deficiency as measured by CD4+ counts, plasma HIV viral load (VL) and presence of AIDS-defining events. DESIGN: A5254 is a multicenter, cross-sectional, single-visit study to evaluate oral complications of HIV/AIDS and determine the association between clinical appearance, herpesvirus shedding and immune status as ascertained by CD4 count and HIV viral load...
July 18, 2017: AIDS
https://www.readbyqxmd.com/read/28705429/disinfection-of-tonometers-a-report-by-the-american-academy-of-ophthalmology
#8
Anna K Junk, Philip P Chen, Shan C Lin, Kouros Nouri-Mahdavi, Sunita Radhakrishnan, Kuldev Singh, Teresa C Chen
OBJECTIVE: To examine the efficacy of various disinfection methods for reusable tonometer prisms in eye care and to highlight how disinfectants can damage tonometer tips and cause subsequent patient harm. METHODS: Literature searches were conducted last in October 2016 in the PubMed and the Cochrane Library databases for original research investigations. Reviews, non-English language articles, nonophthalmology articles, surveys, and case reports were excluded. RESULTS: The searches initially yielded 64 unique citations...
July 11, 2017: Ophthalmology
https://www.readbyqxmd.com/read/28688377/no-role-of-herpes-simplex-virus-type-2-hsv-2-infection-on-hiv-progression-in-na%C3%A3-ve-hiv-patients
#9
Minoo Mohraz, Arezoo Aghakhani, Saeedeh Moayedi-Nia, Mohammad Banifazl, Alireza Janbakhsh, Setareh Mamishi, Afsaneh Karami, Anahita Bavand, Pegah Mirzapour, Amitis Ramezani
Background: Herpes simplex virus type 2 (HSV-2) is a common infection in human immunodeficiency virus (HIV) patients and may accelerate HIV progression by rising HIV viral load and decreasing CD4 count. However, the available data regarding the influence of HSV-2 seropositivity on HIV progression in HIV individuals are inconclusive. Therefore, we aimed to determine HSV-2 seroprevalence in naïve HIV patients and normal controls and also investigate the relation of HIV viral load and CD4 count with HSV-2 seropositivity...
July 9, 2017: Iranian Biomedical Journal
https://www.readbyqxmd.com/read/28682067/expanding-the-antiviral-spectrum-of-3-fluoro-2-phosphonomethoxy-propyl-acyclic-nucleoside-phosphonates-diamyl-aspartate-amidate-prodrugs
#10
Min Luo, Elisabetta Groaz, Graciela Andrei, Robert Snoeck, Raj Kalkeri, Roger G Ptak, Tracy Hartman, Robert W Buckheit, Dominique Schols, Steven De Jonghe, Piet Herdewijn
Acyclic nucleosides containing a 3-fluoro-2-(phosphonomethoxy)propyl (FPMP) side chain are known to be moderately potent antihuman immunodeficiency virus (HIV) agents, while being completely devoid of antiviral activity against a wide range of DNA viruses. The derivatization of the phosphonic acid functionality of FPMPs with a diamyl aspartate phenoxyamidate group led to a novel generation of compounds that not only demonstrate drastically improved antiretroviral potency but also are characterized by an expanded spectrum of activity that also covers hepatitis B and herpes viruses...
July 27, 2017: Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28660014/apolipoprotein-e-a-multifunctional-protein-with-implications-in-various-pathologies-as-a-result-of-its-structural-features
#11
REVIEW
Irina Florina Tudorache, Violeta Georgeta Trusca, Anca Violeta Gafencu
Apolipoprotein E (apoE), a 34 kDa glycoprotein, mediates hepatic and extrahepatic uptake of plasma lipoproteins and cholesterol efflux from lipid-laden macrophages. In humans, three structural different apoE isoforms occur, with subsequent functional changes and pathological consequences. Here, we review data supporting the involvement of apoE structural domains and isoforms in normal and altered lipid metabolism, cardiovascular and neurodegenerative diseases, as well as stress-related pathological states...
2017: Computational and Structural Biotechnology Journal
https://www.readbyqxmd.com/read/28652425/evaluation-of-biological-activity-of-mastic-extracts-based-on-chemotherapeutic-indices
#12
Ryuichiro Suzuki, Hiroshi Sakagami, Shigeru Amano, Kunihiko Fukuchi, Katsuyoshi Sunaga, Taisei Kanamoto, Shigemi Terakubo, Hideki Nakashima, Yoshiaki Shirataki, Mineko Tomomura, Yoshiko Masuda, Satoshi Yokose, Akito Tomomura, Hirofumi Watanabe, Masaki Okawara, Yoshiharu Matahira
BACKGROUND: Most previous mastic investigators have not considered its potent cytotoxicity that may significantly affect the interpretation of obtained data. In the present study, we re-evaluated several biological activities of mastic extracts, based on chemotherapeutic indexes. MATERIALS AND METHODS: Pulverized mastic gum was extracted with n-hexane and then with ethyl acetate or independently with methanol or n-butanol. Tumor specificity (TS) of the extracts was determined by their cytotoxicity against human malignant and non-malignant cells...
July 2017: In Vivo
https://www.readbyqxmd.com/read/28652233/potent-inhibition-of-hiv-1-replication-in-resting-cd4-t-cells-by-resveratrol-and-pterostilbene
#13
Chi N Chan, Benjamin Trinité, David N Levy
HIV-1 infection of resting CD4 T cells plays a crucial and numerically dominant role during virus transmission at mucosal sites and during subsequent acute replication and T cell depletion. Resveratrol and pterostilbene are plant stilbenoids associated with several health promoting benefits. Resveratrol has been shown to inhibit replication of several viruses, including herpes simplex 1 and 2, papillomaviruses, SARS virus and influenza virus. Alone, resveratrol does not inhibit HIV-1 infection of activated T cells, but it does synergize with nucleoside reverse transcriptase inhibitors in these cells to inhibit reverse transcription...
June 26, 2017: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/28648088/idiopathic-esophageal-ulcer-as-an-initial-manifestation-of-hiv-infection
#14
Alicia Martín-Lagos Maldonado, Julio Guilarte López-Mañas, Alberto Benavente Fernández
The esophageal ulcer us a common complication in people affected by the acquired human immunodeficiency virus (HIV), especially in the final stages and in patients who develop an acute retroviral syndrome. Although, it can be caused by various infectious agents, such as species of candida, cytomegalovirus (CMV) and herpes simplex virus (HSV), no aetiological agent is successfully identified in a large proportion of patients and it is classified as idiopathic. We report the case of an idiopathic esophageal ulcer associated with the initial diagnosis of HIV-1...
June 26, 2017: Revista Española de Enfermedades Digestivas
https://www.readbyqxmd.com/read/28629987/anti-herpes-simplex-virus-type-1-activity-of-houttuynoid-a-%C3%A2-a%C3%A2-flavonoid-from-houttuynia-cordata-thunb
#15
Ting Li, Libao Liu, Hongling Wu, Shaodan Chen, Qinchang Zhu, Hao Gao, Xiongtao Yu, Yi Wang, Wenhan Su, Xinsheng Yao, Tao Peng
Early events in herpes simplex virus type 1 (HSV-1) infection reactivate latent human immunodeficiency virus, Epstein-Barr virus, and human papillomavirus in the presence of acyclovir (ACV). The common use of nucleoside analog medications, such as ACV and pencyclovir, has resulted in the emergence of drug-resistant HSV-1 strains in clinical therapy. Therefore, new antiherpetics that can inhibit early events in HSV-1 infection should be developed. An example of this treatment is Houttuynia cordata Thunb. water extract, which can inhibit HSV-1 infection through multiple mechanisms...
June 17, 2017: Antiviral Research
https://www.readbyqxmd.com/read/28614529/facial-paralysis-due-to-ramsay-hunt-syndrome-a-rare-condition
#16
Aline Lariessy Campos Paiva, João Luiz Vitorino Araujo, Vinicius Ricieri Ferraz, José Carlos Esteves Veiga
Ramsay Hunt syndrome (or herpes zoster oticus) is a rare complication of herpes zoster in which reactivation of latent varicella zoster virus infection in the geniculate ganglion occurs. Usually, there are auricular vesicles and symptoms and signs such otalgia and peripheral facial paralysis. In addition, rarely, a rash around the mouth can be seen. Immunodeficient patients are more susceptible to this condition. Diagnosis is essentially based on symptoms. We report the case of a diabetic female patient who sought the emergency department with a complaint of this rare entity...
April 2017: Revista da Associação Médica Brasileira
https://www.readbyqxmd.com/read/28600625/an-intravaginal-ring-that-releases-three-antiviral-agents-and-a-contraceptive-blocks-shiv-rt-infection-reduces-hsv-2-shedding-and-suppresses-hormonal-cycling-in-rhesus-macaques
#17
Nina Derby, Meropi Aravantinou, Jessica Kenney, Shweta R Ugaonkar, Asa Wesenberg, Jolanta Wilk, Larisa Kizima, Aixa Rodriguez, Shimin Zhang, Olga Mizenina, Keith Levendosky, Michael L Cooney, Samantha Seidor, Agegnehu Gettie, Brooke Grasperge, James Blanchard, Michael Piatak, Jeffrey D Lifson, José Fernández-Romero, Thomas M Zydowsky, Melissa Robbiani
Women globally need access to multipurpose prevention technologies (MPTs) that prevent human immunodeficiency virus (HIV), sexually transmitted infections that increase HIV acquisition/transmission risk, and unintended pregnancy. Seeking an MPT with activity against HIV, herpes simplex virus-2 (HSV-2), and human papillomavirus (HPV), we developed a prototype intravaginal ring (IVR), the MZCL IVR, which released the antiviral agents MIV-150, zinc acetate, and carrageenan (MZC for short) and the contraceptive levonorgestrel (LNG)...
June 9, 2017: Drug Delivery and Translational Research
https://www.readbyqxmd.com/read/28580800/kaposi-sarcoma-associated-with-iatrogenic-immunosuppression-a-rare-complication-of-bullous-pemphigoid-treatment
#18
Catherine Tremblay, Dominique Friedmann
BACKGROUND: Bullous pemphigoid (BP) is an autoimmune bullous disease requiring immunosuppressive therapy. Kaposi sarcoma (KS) is an angioproliferative tumor associated with the opportunistic viral infection human herpes virus 8 (HHV-8). It is a well-known condition associated with longstanding human immunodeficiency virus infection, but it may also occur in the context of iatrogenic immunosuppression. OBJECTIVE: Although a rare complication, all dermatologists dealing with immunosuppressors must be aware and have a high index of suspicion when a patient presents with rapidly progressive violaceous papules...
June 1, 2017: Journal of Cutaneous Medicine and Surgery
https://www.readbyqxmd.com/read/28577241/human-infectious-diseases-and-risk-of-preeclampsia-an-updated-review-of-the-literature
#19
REVIEW
Malihe Nourollahpour Shiadeh, Zahra Behboodi Moghadam, Ishag Adam, Vafa Saber, Maryam Bagheri, Ali Rostami
BACKGROUND: Preeclampsia (PE) is one of the major causes of maternal and perinatal morbidity and mortality, especially in low- and middle-income countries. In recent years, a growing body of literatures suggests that infections by bacteria, viruses, and parasites and their related inflammations play an important role in the pathogenesis of PE. METHODS: We searched PubMed, Google scholar, and Cochrane databases using the following search words: "infection and preeclampsia," "bacterial infection and preeclampsia," "viral infection and preeclampsia" and "parasitic infection and preeclampsia...
June 2, 2017: Infection
https://www.readbyqxmd.com/read/28540095/rituximab-monotherapy-in-the-management-of-a-rare-case-of-an-hiv-associated-lymphoproliferative-disorder
#20
Jason Hew, Fauzia Rana, Louise Zhou
Background. Castleman's disease (CD), also known as angiofollicular node hyperplasia, is a rare heterogenous lymphoproliferative disorder. This disease exists as two distinct entities: a localized or unicentric CD (UCD) which has a more benign clinical course and multicentric CD (MCD) which is a systemic disease and carries a worse prognosis. MCD is often associated with human immunodeficiency virus (HIV) infection and these patients are usually coinfected with human herpes virus-8 (HHV-8). Rituximab is an anti-CD20 monoclonal antibody that has become integral to the management of this disease...
2017: Case Reports in Oncological Medicine
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