
Living Well With HIV
Nicholas(Author)
tredition (Publisher)
Published on 6. May 2024
Book
Paperback/Softback
128 pages
978-3-384-21975-6 (ISBN)
Description
An estimated.two-thirds of the 36.7 million people infected with.the Human immunodeficiency.virus (HIV), reside
on the African.continent 1. Once infection.has occurred, HIV destroys.the hosts CD4+ immune.cells, leading to
acquired.immunodeficiency syndrome (AIDS) 2. .HIV/AIDS is wide.spread throughout.Sub-Saharan Africa and
exacerbates various.socioeconomic issues 3. South Africa has.some of the highest prevalence.of HIV/AIDS.in the
world, with an.estimated 7 million people.living with HIV 4. .An estimated 115 000.HIV-related deaths occurred in
South Africa in 2018, .emphasizing the.need for HIV research.in Sub-Saharan.countries 4.
The HIV-1 virus.consists of two copies.of non-covalently.linked, positive.sense, single-stranded.RNA molecules 5.
This is enclosed.by a p24 viral.protein.conical capsid, situated.within a.viral envelope. .The viral envelope is
derived from the.host cell membrane and.contains viral.glycoproteins; such.as gp120.and gp41, which.are
imbedded.in the viral.envelope 2,6,7. .Once HIV-1 exposure.occurs, .the virus migrates.to CD4+ immune.cells. This
occurs.due to the.affinity of the HIV-1 viral.envelope.gp120/gp41 complex.for CD4 antigen.receptors on the
surface of host.CD4+ immune cells 2,6. Once.the gp120 subunit.of the viral envelope.interacts with a CD.antigen
receptor, co-receptor binding.takes place 2,7. The co-receptor.binding results in conformation.changes in the HIV-
1 envelope, .leading to the exposure.of the gp41 hydrophobic.domain, allowing.fusion of the.envelope with.the
cellular.membrane and the.subsequent delivery.of the viral core.into the cytoplasm 2. The.uncoating of the.viral
core exposes.Reverse transcriptase, a HIV.enzyme, to deoxynucleotide.triphosphates (dNTP's), resulting in
reverse transcription.and proviral DNA synthesis 2. After reverse.transcription is completed, .the formation.of a
complex, consisting of.viral and cellular components is.formed, known as the viral pre-integration.complex. This is
transported to the.cell's nucleus where the.HIV-1 enzyme, Integrase, catalyses.the integration of the viral.genome
with the human.DNA 2,7. This maintains the.viral DNA.in the infected host cell and allows.transcription, thus the
cell can express viral.mRNA and viral RNA. Once.transcription is initiated, the necessary viral.constituents move
to the inside of the plasma.membrane and assemble to form an.immature HIV-1 virus 2. The newly.formed
immature virus buds.off from the cell and releases.protease to break down large.HIV-1 protein chains. .These
broken down HIV protein.chains, combine to form.a mature HIV-1 virus 2.
The viral life.cycle, discussed above (shown in Figure 1.1), can be.subdivided into seven.distinct stages, namely
binding; fusion; reverse.transcription; integration; replication; .virus assembly/production; and.budding. The HIV-1
lifecyclexpresents various.potential opportunities for.therapeutic intervention.and six distinctclasses of
antiretrovirals (ARVs) havexbeen developed 2.
More details
Language
English
Place of publication
MG ROAD
Germany
Target group
"Living Well With HIV" is a supportive guide for anyone impacted by an HIV diagnosis. Newly diagnosed individuals will find a roadmap for navigating their health, while those already living with HIV can discover tips for continued well-being and staying informed. This book extends its reach to loved ones as well, offering them a deeper understanding of HIV and how to provide the best possible support. Healthcare professionals working with HIV patients can also benefit from the book's resources to empower their patients on their journeys to thriving with HIV.
Product notice
Unsewn / adhesive bound
Dimensions
Height: 234 mm
Width: 155 mm
Thickness: 10 mm
Weight
229 gr
ISBN-13
978-3-384-21975-6 (9783384219756)
Schweitzer Classification
Person
Author
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