Nucleosides exhibit a broad spectrum of biological activity that generally results from their ability to inhibit specific enzymes. This activity has led to their use in the development of various pharmaceutical agents used in the treatment of cancers and to combat harmful viruses, bacteria and parasites.Nucleoside Mimetics provides an intro

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Topic
MedicineSubtopic
Biochemistry in MedicineI
N
T
R
O
D
U
C
T
I
O
N
Ara-A
(Antiviral)
Nucleocidin
(Antitrypanosomal)
Toyocamycin
(Antitumour)
FUDR
(Anticancer)
8-Azainosine
(Anticancer)
Ara-C
(Antileukemia)
structureĀ
andĀ
mechanismsĀ
ofĀ
antiviral/anticancerĀ
activity
.Ā 12"Ā 16
O
fĀ
particularĀ
interestĀ
wasĀ
theĀ
discoveryĀ
ofĀ
activityĀ
inĀ
L-nucleosidesĀ
(suchĀ
asĀ
3TCā¢),Ā
theĀ
unnaturalĀ
nucleosideĀ
enantiomers,Ā
andĀ
theĀ
non-nucleosideĀ
reverseĀ
transcriptaseĀ
inhibitorsĀ
(NNRTFs)Ā
TSAO-TĀ
andĀ
HEPTĀ
(seeĀ
sectionĀ
1
.
7
.
1
.
2
)
AlthoughĀ
thereĀ
hasĀ
beenĀ
greatĀ
interestĀ
inĀ
theĀ
reverseĀ
transcriptaseĀ
inhibitors,Ā
thereĀ
areĀ
manyĀ
otherĀ
knownĀ
andĀ
potentialĀ
enzymaticĀ
targets,Ā
includingĀ
bothĀ
cellularĀ
enzymesĀ
andĀ
virus-specifiedĀ
enzymes,Ā
withĀ
whichĀ
nucleosideĀ
mimeticsĀ
canĀ
interactĀ
asĀ
substrates/competitiveĀ
inhibitors
.17
AntiviralĀ
specificityĀ
isĀ
oftenĀ
requiredĀ
forĀ
miniī
mumĀ
toxicity,Ā
howeverĀ
theĀ
moreĀ
specificĀ
inhibitorsĀ
areĀ
oftenĀ
theĀ
mostĀ
proneĀ
toĀ
theĀ
formationĀ
ofĀ
virus-drugĀ
resistantĀ
strains.Ā
ThereforeĀ
aĀ
balanceĀ
isĀ
oftenĀ
requiredĀ
betweenĀ
drugĀ
specificityĀ
andĀ
toxicityĀ
inĀ
orderĀ
toĀ
minimiseĀ
theĀ
problemĀ
ofĀ
drugĀ
resistance.
1.2Ā
STRUCTUREĀ
OFĀ
NUCLEOSIDES
TheĀ
nucleosideĀ
componentsĀ
ofĀ
RNAĀ
andĀ
DNAĀ
areĀ
composedĀ
ofĀ
aĀ
sugarĀ
moiety,
riboseĀ
(1.1,Ā
p-D-riboftiranose)Ā
andĀ
2-deoxyriboseĀ
(1.2,Ā
2-deoxy-p-D-ribofuranose)
2Ā
N
U
C
L
E
O
S
I
D
EĀ
M
I
ME
T
I
CS
Table of contents
- Cover
- Half Title
- Title Page
- Copyright Page
- Contents
- Preface
- Chapter 1 Introduction
- Chapter 2 Synthesis of Conventional D-Nucleosides
- Chapter 3 Sugar Modified Nucleosides
- Chapter 4 Heterocyclic Base Modified Nucleosides
- Chapter 5 L-Nudeosides
- Chapter 6 C-Nucleosides
- Chapter 7 Carbocyclic Nucleosides
- Chapter 8 Acyclic Nucleosides
- Index
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Yes, you can access Nucleoside Mimetics by Claire Simons in PDF and/or ePUB format, as well as other popular books in Medicine & Biochemistry in Medicine. We have over 1.5 million books available in our catalogue for you to explore.