Cutaneous manifestations of HIV-1 infection

1995 ◽  
Vol 85 (7) ◽  
pp. 362-374 ◽  
Author(s):  
O Memar ◽  
R Cirelli ◽  
P Lee ◽  
SK Tyring
Keyword(s):  
Human Immunodeficiency Virus ◽  
Immune System ◽  
Virus Infection ◽  
Hiv Infection ◽  
Cutaneous Manifestations ◽  
Immunodeficiency Virus ◽  
The Status ◽  
History Of ◽  
Hiv 1

Infection with the human immunodeficiency virus (HIV) leads to a chronic disarmament of the immune system. The process is progressive, having different manifestations as the status of the immune system slowly deteriorates. Some of the most common manifestations of HIV infection are cutaneous in origin, and they can have infectious, neoplastic, or noninfectious or non-neoplastic etiologies. A brief history of HIV is given, and the most common cutaneous presentations of the virus infection of interest to podiatrists are outlined.

scholarly journals Blindness in a Woman With Human Immunodeficiency Virus Infection and Syphilis

1995 ◽  
Vol 3 (5) ◽  
pp. 198-201
Author(s):  
Michael Luchi ◽  
Curtis Beauregard ◽  
Kevin Ault ◽  
Daniel Hinthorn
Keyword(s):  
Human Immunodeficiency Virus ◽  
Cerebrospinal Fluid ◽  
Virus Infection ◽  
Hiv Infection ◽  
Skin Lesions ◽  
High Dose ◽  
Progressive Loss ◽  
Immunodeficiency Virus ◽  
History Of ◽  
Hands And Feet

Background: A concomitant infection with human immunodeficiency virus (HIV) may alter the natural history of other infections. Several reports indicate that syphilis may behave more aggressively when HIV infection is present.Case: A woman presented with a rash involving her hands and feet and progressive loss of the vision in her right eye. Her serologic tests for syphilis and HIV infection were positive. A diagnosis of neurosyphilis was confirmed by an analysis of cerebrospinal fluid (CSF). She was treated with high-dose intravenous (IV) penicillin. Her skin lesions resolved, but her vision did not improve.Conclusion: The incidence of HIV infection among women is rising. A patient with HIV and syphilis may develop neurosyphilis in a much shorter time than a patient without HIV infection.

scholarly journals Imunologi Human Immunodeficiency Virus (HIV) dalam Kehamilan

2017 ◽  
Vol 8 (1) ◽  
pp. 1
Author(s):  
Maya Savira
Keyword(s):  
Human Immunodeficiency Virus ◽  
Immune System ◽  
Hiv Infection ◽  
Pregnant Women ◽  
Vertical Transmission ◽  
Human Leukocyte ◽  
Hla Dr ◽  
Immunodeficiency Virus ◽  
Hiv 1 ◽  
Hiv Aids

Human Immunodeficiency Virus can be spread through sexual contact , blood products and vertical transmission ofthe mother to the fetus . The high incidence of HIV / AIDS around the world in women over 15 years old and childrenunder the age of 15 years gives an overview of HIV / AIDS cases in pregnant women likely to have a high incidence.HIV viral RNA viruses belonged to two different types , namely HIV - 1 and HIV - 2 . Most cases are caused by HIV- 1. HIV primarily infects CD4 lymphocytes or T helper ( Th ), the numbers will decrease , as well as the function ofthe immune system will decrease. During pregnancy occurs emphasis on immune cells, with or without HIV infection.Study in France showed no significant progression between the immune system of pregnant women with HIV andnormal pregnant women . T reg on HIV infection in lymphoid tissue accumulated and the number of T reg postpartum was higher in patients with HIV infection compared to HIV- negative . Human Leukocyte antigen - G ( HLA- G ) inhibits cell-mediated immune response and can penetrate the placenta spread of HIV - 1 infection and increasethe risk of vertical transmission . Major histocompatibility complex ( MHC ) encodes HLA - G to inhibit natural killercells ( NK cells) that supports the entry of the virus passes through the placental barrier in HIV- 1 positive pregnantwomen . HIV infection activates CD8 expressing HLA - DR antigen . CD8 immune activation in chronic HIV becomesa factor decreasing CD4 count . The expression of HLA - DR and CD38 on CD8 T lymphocytes that recognize CD4eliminated by HIV infection Total CD8 , CD38 , and HLA - DR is reduced in HIV- positive pregnant women may bea prognostic parameters of immune status.

Decreased Thymus Size on Chest Radiography: A Sign of Pediatric Human Immunodeficiency Virus Infection?

PEDIATRICS ◽  
1992 ◽  
Vol 90 (1) ◽  
pp. 99-102
Author(s):  
ALAN MEYERS ◽  
NICHOLAS PEPE ◽  
WILLIAM CRANLEY ◽  
KATHLEEN MCCARTEN
Keyword(s):  
Human Immunodeficiency Virus ◽  
Hiv Infection ◽  
Chest Radiography ◽  
Pediatric Hiv ◽  
Immunodeficiency Virus ◽  
History Of ◽  
Acquired Immunodeficiency ◽  
Generalized Lymphadenopathy ◽  
Immunodeficiency Syndrome ◽  
Thymus Size

The early diagnosis of infection with the human immunodeficiency virus (HIV) in infancy is clinically important but remains problematic in the asymptomatic child born to an HIV-infected mother. In addition, many such women are unaware of their HIV infection until their child manifests symptomatic HIV disease. Nonspecific signs of pediatric HIV infection, such as generalized lymphadenopathy, hepatosplenomegaly, or persistent thrush, may be important in alerting the clinician to consider the possibility of HIV infection in the child whose history of HIV risk is unknown. We report one such sign which may be evident on plain chest radiography. The pathology of the thymus gland in pediatric acquired immunodeficiency syndrome has been described by Joshi and colleagues,1-3 who have reported precocious involution with marked reduction in thymus size and weight.

scholarly journals Dendritic Cell Precursors Are Permissive to Dengue Virus and Human Immunodeficiency Virus Infection

2005 ◽  
Vol 79 (12) ◽  
pp. 7291-7299 ◽  
Author(s):  
Wing-Hong Kwan ◽  
Anna-Marija Helt ◽  
Concepción Marañón ◽  
Jean-Baptiste Barbaroux ◽  
Anne Hosmalin ◽  
...  
Keyword(s):  
Immune Response ◽  
Human Immunodeficiency Virus ◽  
Virus Infection ◽  
Dengue Virus ◽  
Blood Monocytes ◽  
Dengue Virus Infection ◽  
Differentiation Potential ◽  
Antiviral Immune Response ◽  
Immunodeficiency Virus ◽  
Hiv 1

ABSTRACT CD14+ interstitial cells reside beneath the epidermis of skin and mucosal tissue and may therefore play an important role in viral infections and the shaping of an antiviral immune response. However, in contrast to dendritic cells (DC) or blood monocytes, these antigen-presenting cells (APC) have not been well studied. We have previously described long-lived CD14+ cells generated from CD34+ hematopoietic progenitors, which may represent model cells for interstitial CD14+ APC. Here, we show that these cells carry DC-SIGN and differentiate into immature DC in the presence of granulocyte-macrophage colony-stimulating factor. We have compared the CD14+ cells and the DC derived from these cells with respect to dengue virus and human immunodeficiency virus type 1 (HIV-1) infection. Both cell types are permissive to dengue virus infection, but the CD14+ cells secrete the anti-inflammatory cytokine interleukin 10 and no tumor necrosis factor alpha. Regarding HIV, the CD14+ cells are permissive to HIV-1, release higher p24 levels than the derived DC, and more efficiently activate HIV Pol-specific CD8+ memory T cells. The CD14+ DC precursors infected with either virus retain their DC differentiation potential. The results suggest that interstitial CD14+ APC may contribute to HIV-1 and dengue virus infection and the shaping of an antiviral immune response.

scholarly journals Interleukin 7 Increases Human Immunodeficiency Virus Type 1 LAI-Mediated Fas-Induced T-Cell Death

2005 ◽  
Vol 79 (5) ◽  
pp. 3195-3199 ◽  
Author(s):  
Jean-Daniel Lelièvre ◽  
Frédéric Petit ◽  
Damien Arnoult ◽  
Jean-Claude Ameisen ◽  
Jérôme Estaquier
Keyword(s):  
Human Immunodeficiency Virus ◽  
T Cells ◽  
Cell Death ◽  
T Cell ◽  
Hiv Infection ◽  
Cell Infection ◽  
Interleukin 7 ◽  
Immunodeficiency Virus ◽  
Hiv 1

ABSTRACT Fas-mediated T-cell death is known to occur during human immunodeficiency virus (HIV) infection. In this study, we found that HIV type 1 LAI (HIV-1LAI) primes CD8+ T cells from healthy donors for apoptosis, which occurs after Fas ligation. This effect is counteracted by a broad caspase inhibitor (zVAD-fmk). Fas-mediated cell death does not depend on CD8+ T-cell infection, because it occurred in the presence of reverse transcriptase inhibitors. However, purified CD8+ T cells are sensitive to Fas only in the presence of soluble CD4. Finally, we found that interleukin 7 (IL-7) increases Fas-mediated CD4+ and CD8+ T-cell death induced by HIV-1LAI. Since high levels of IL-7 are a marker of poor prognosis during HIV infection, our data suggest that enhancement of Fas-mediated T-cell death by HIV-1LAI and IL-7 is one of the mechanisms involved in progression to AIDS.

scholarly journals Myeloid-derived suppressor cells and the pathogenesis of human immunodeficiency virus infection

Open Biology ◽  
2021 ◽  
Vol 11 (11) ◽  
Author(s):  
Mahmoud Mohammad Yaseen ◽  
Nizar Mohammad Abuharfeil ◽  
Homa Darmani
Keyword(s):  
Human Immunodeficiency Virus ◽  
Virus Infection ◽  
Hiv Infection ◽  
Immune Activation ◽  
Suppressor Cells ◽  
Myeloid Derived Suppressor Cells ◽  
Chronic Immune Activation ◽  
Immune Suppressor Cells ◽  
Immunodeficiency Virus ◽  
Immune Suppressor

There are several mechanisms by which human immunodeficiency virus (HIV) can mediate immune dysfunction and exhaustion during the course of infection. Chronic immune activation, after HIV infection, seems to be a key driving force of such unwanted consequences, which in turn worsens the pathological status. In such cases, the immune system is programmed to initiate responses that counteract unwanted immune activation, for example through the expansion of myeloid-derived suppressor cells (MDSCs). Although the expansion of immune suppressor cells in the setting of systemic chronic immune activation, in theory, is expected to contain immune activation, HIV infection is still associated with a remarkably high level of biomarkers of immune activation. Paradoxically, the expansion of immune suppressor cells during HIV infection can suppress potent anti-viral immune responses, which in turn contribute to viral persistence and disease progression. This indicates that HIV hijacks not only immune activation but also the immune regulatory responses to its advantage. In this work, we aim to pave the way to comprehend how such unwanted expansion of MDSCs could participate in the pathology of acute/primary and chronic HIV infection in humans, as well as simian immunodeficiency virus infection in rhesus macaques, according to the available literature.

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