B Y T
I HI
NGUYN QUC THNG
U TNG H
HO HC CA MT S
DN CHT THIAZOLIDIN-2,4-DION
N TT NGHI
NI - 2013
B Y T
I HI
NGUYN QUC THNG
U TNG H
HOC CA MT S
DN CHT THIAZOLIDIN-2,4-DION
N TT NGHI
ng dn:
1. TS. Phan Th
2.
c hin:
B c
i hi
I - 2013
LI CM
vi tt c s n thy
PGS. TS. Nguyn Hi Nam TS. Phan Th
thc ting d bo tn
.
i li cn ,
k thu i hc D o
u kin tt nhi gian thc hin.
i li c i h
N tdy d, ch bo sut c va qua.
c s c Vin
Hp ch- Vin h Vi
t liu i hc Khoa hc t i hc Quc gia
i.
Cui li c c bi m i
ng lc cho trong cuc sc tp.
i,
Nguyn Quc Thng
2
2
2
1.1.2. T 5
12
14
-2,4-dion 14
N
2 15
15
17
17
17
19
19
19
20
20
21
22
22
32
33
38
39
39
41
43
DANH MCH VIT TT:
13
C-NMR
Ph cng t h
13
C (
13
C nuclear magnetic resonance)
1
H-NMR
Ph cng t hproton (
1
H nuclear magnetic resonance)
CTCT
c cu to
CTPT
DCM
Dicloromethan
DMF
N,N-dimethylformamid
DMSO
Dimethyl sunfoxid
EtOH
Ethanol
HAT
Histon acetyltranferase
HDAC
Histon deacetylase
IR
Ph hng ngoi (Infrared spectroscopy)
HepG2
T
MeOH
Methanol
MS
Ph khng (Mass spectroscopy)
PPAR-
Peroxisom proliferator activated receptor gamma
MTT
Thuc nhum 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyl tetrazolium
bromid
PTP 1B
Protein tyrosin phosphat 1B
SAHA
Acid suberoylanilid
STT
S th t
SWL68
T ng
SW620
T
TZD
Thiazolidin-2,4-dion
TLC
Sp mng (Thin Layer Chromatography)
R
f
H s (Retention factor)
DANH MNG
STT
ng
Trang
Bng 1.1
Kt qu th p cht TZD
3
Bng 1.2
IC
50
c logP
4
Bng 3.1
Hiu su s n phc tng
hp
32
Bng 3.2
R
f
o
nc cn phm cui 4a-4d
33
Bng 3.3
Kt qu khng ct trung gian
34
Bng 3.4
Kt qu hng ngoi ct
34
Bng 3.5
Kt qu khng ct sn phm
cui
35
Bng 3.6
Kt qu
1
H-NMR cn phm cui
36
Bng 3.7
Kt qu
13
C-NMR cn phm cui
37
Bng 3.8
39
Bng 3.9
42
DANH M
STT
Trang
ng gii vi s
6
Cu tng ca HDAC
7
Ct s hot cht c ch HDAC
8
Ca mt s
8
Cng ca HDAC
9
10
Zn
2+
trong protein
10
11
i gian
12
12
ng c-
13
Mt s TZD c ch PTP1B mu
14
`STT
Trang
3.1
ng ht
22
3.2
Tng hp thiazolidin-2,4-dion
22
3.3
Tng ht 2a-d
23
3.4
Tng ht 3a-d
26
3.5
Tng ht 4a-d
29
1
T V
Thiazolidindion (TZD) n cht c bing chng
ng nh ho th peroxisom proliferator activated receptor
gamma c ch protein tyrosin phosphat 1B [13,14]. Mt s thu u tr
p 2 dc s d
Pioglitazon [2, 17].
p chng
n [6]m [7,8], ch [18].
c bit trong thi gian g u v dn cht ca TZD ng
ng ti ho t ph
mt s [12,26,28]. t k
thc mi ca TZD c ch enzym histon
deacetylase (mt enzym quan tr )
[26]. Kt qu thu c rt kh i mt s cht chn
.
T t qu nhm m n cht
thiazolidindion trin vng, c hi u tng h
ng sinh hc ca mt s dn cht thiazolidin-2,4-dion
sau:
1. Tng hp N-(2-(4-((2,4-dioxothiazolidin-5-yliden)methyl)phenoxy)ethyl)
benzensulfonamid t s dn cht.
2. Tht tng hc.
2
1.1.
Thiazolidindion c gn cha gc
thiazolidin-2,4-dion:
c chu ng sinh h
ng n [6,7], chng nm [7,8], ch [18], c t
chng ung th [12,26,28], ho th PPAR-, c ch protein PTP1B
[8,12,14].
Hin nay, u v ho a
nhiu , c ch HDAC, hoPPAR- c ch PTP1B.
1.1.1.
Patil cng s ng hp mt s dn cht
(I) in vitro m:
Hop62 i), PC3 n tin lit), MCF7 G2
ch cu), Gurav
hng). N t th nghim trong khong t 10
-4
ti 10
-7
M, ti
song song vi 2 mu th, mt m dng cht c ch t mu s dng
cht c ch [29]. Sau 48 gi n ca mi
t t n ca t c ch
50% (GI
50
). logarit n ti GI
50
hin cho s nhy
cm c p ch logGI
50
< -t
Y=R-NH Ib,Ic,Ie
Y=R Ia,Id
I
3
Bng 1.1: Kt qu th p cht TZD I
Hp
cht
R
logGI
50
K562
MCF7
HepG2
Hop62
PC3
Gurav
KB
Ia
>-4,0
-4,53
>-4,0
-6,72
-4,53
>-4,0
>-4,0
Ib
>-4,0
>-4,0
>-4,0
-6,73
>-4,0
>-4,0
>-4,0
Ic
-5,65
>-4,0
>-4,0
-4,51
-5,65
-6,71
>-4,0
Id
>-4,0
-4,53
>-4,0
-5,64
-4,53
>-4,0
>-4,0
Ie
-6,72
-6,71
>-4,0
>-4,0
-5,60
-6,73
-5,65
Doxorubicin
-5,59
-6,88
<-7,0
-6,97
-6,96
-6,97
<-7,0
GI
50
: n c ch 50% s n ca t
Nh kt qu u cho thy, hp cht Ie ng c ch t
nh nhc tng hp. Chc ch 5 trong s 7
c th nghi3, Gurav ht Ic
cho thng yc ch c 4 trong s
. Hp cht Ia Id
cht Ib ch c ch c duy nh
Hop62. Tt c
(HepG2) enzym amidase trong t
p cht, khi hing [29].
Tip tu . ng s n
ng hp cha khung TZD (II)
4
i t cung), HT- c
i), MCF- c ch n c
24 gi c ghi nh IC
50
[7]. S dng phn mm
th hin s ng gic) c
hp cht tng hc, t suy luc kh
Bng 1.2: IC
50
c logP
Cht
Ar
IC
50
(M)
HeLa
HT29
A549
MCF-7
logP
IIa
72
88
90
100
3,05
IIb
38
30
42
48
3,86
IIc
34
32
36
38
3,22
IId
68
72
78
100
3,50
IIe
48
48
55
58
3,08
IIf
30
32
36
30
2,68
II
5
Cht
Ar
IC
50
(M)
HeLa
HT29
A549
MCF-7
logP
IIg
62
78
80
90
2,05
IIh
60
80
72
84
1,88
IIi
80
94
76
90
2,54
IC
50
: n cht hoc c ch
T kt qu u nhn thy hp cht v benzen
(IIa) benzen (IId) cho p v IC
50
cao t 60-
100 brom (IIb) hoc flo
(IIc) ho v IC
50
c trong khong 40-50
Hp ch ng mnh nh -trimethoxylbenzen (IIe) v
IC
50
thp nht t 30-. p cht d a Nit (IIg, IIh
oxy (IIi IC
50
mc cao t 60-90 .
logP cn chbenzen (IIa-IIfn
ch (IIg-IIi), chng t n du cp cht IIa-IIf
p cht IIg-IIin du tht trong nh
[7].
t qu y n cht mang khung TZD
ng trong vic c ch s n c
1.1.
1.1.2.1. iston deacetylase
Histon deacetylase i b
acetyl t -N-acetyl lysin amino acid ca phn histon [16]. Loi
pha histon, dn gin
gia histon vi ADN. u, nhim sc th th
ng hp protein dic biu hi
6
trng. Trong khi enzym histon acetyltranferase
dc li. Trong t l
nh s biu hin gen [4].
.1: ng gii vi s
ra rng, s c ch p ca
ph bin t bii trong c
cht nhim s ng, dn ti s
i u. c ch hong cng ca nhiu
thuc ch n hin nay [16,22].
V ng nhau,
u gn sau :
+ Ion Zn
2+
a HDAC nm
t mnh nht vi pht ph
t c ch nh vi Zn
2+
ng c
ch nh [10].
+ t Van der Walls v
chc cu to bc bi
i
p vn ng dea[20].
Trt hot
Trng
7
: Cu tng ca HDAC
1.1.2.2. Mt s cht c ch
T nh ng c ch HDAC ca natri butyrat
n trong vit c ch
nhiu cht c ch ng mnh nhc
bin hi - mt sn pha Streptomycesc sn
xun n thi [25]n tht c
ch c FDA cp p d u tr u
lympho t i da: SAHA (V - chn gc tng
hp, Romidepsin - chp t Chromobacterium violaceum
[32]ng 15 cht c ch u th nghim
u tr .
SAHA
Romidepsin
8
TSA
Acid valproic
1.3: Ct s hot cht c ch HDAC
ng hp ca b c Ti h
ng hp mt s dn chng c ch HDAC d
ca SAHA. Ct qu c v kh c ch
t s t kh quan [5,27].
n1:1-3
n2:1-2
n:1-6
1.4: C ca mt s
Theo mt s u tham kho, hiu qu ng c t c ch
HDAC d t ca 3 yu t [10] :
- t vi Zn
2+
tng c
HDAC
- Cu nch hydrocarbon, n
-
ng n mt ca enzym.
D u bit v c t c ch HDAC, R.
cng s t k mt s hp cht ca TZD
(IIIa IIIb) nhm c ch p
cht d s do phc vi
ion Zn
2+
tng c[26].
9
1.5: Cu ng ca HDAC
a
IIIa-b
b
1.6:
qua docking MOE (Molecular Operating
Chu
hp
kt (acid
hydroxamic)
mt
protein
Khong trng
ng
10
Environment). Kt qu docking cho th lc cao ca hai chc thit k i
vi HDAC, th hin s p v c
ng sinh hc ca 2 hp cht mi tng hqua
t ng c ch enzym HDAC.
a hai hp chc tng hp ti
ng (WRL68). Hai
ng ph thudng ph thui gian.
S d ng c
ng. Kt qu
Bi kt qu cho thy n
HepG2: cht IIIa IIIb
a hai cht g IIIa
(IIIbt hi chn lc
11
sau 48h
m ti c ch t a 2 cht tm
48 gi, 72 gi, 96 gi . Ti thm k, cht IIIa c ch
82,98% t t IIIb ng
ch t IIIa cho thy hoc ch mnh
i gian so vi cht IIIbm hn ch
i gian
Tip t c ch HDAC in vitro cc tng
h i chi t qu vi hai cht c ch
% t t theo liu ca IIIa
% t t
% t t theo liu ca IIIb
% t t
% t t theo thi gian ca IIIb
% t t
% t t theo thi gian ca IIIa
% t t
12
HDAC m t qu bng
1.10.
Cht IIIb t qu c ch HDAC t i cht IIIa
(42,11%), chi SAHA
(57,89%) [26].
--
--
enzym.
thiazolidindion
ng ho-
t ch vn chn l th PPAR-
qua ho-u chnh s biu hin ca mt s gen ma
PPAR-a t -
s tr d t dng
c ch c ch s tng hp glucose
ng s oxy LDL (low density lipoprotein) i th
i thin s nhy cm vi insulin ca t m n
gi chng m[13,7].
SB SAHA 3a 3b
13
ng c-
i thu
dng ph i th
ng. Mt thu ngng s d
mch, hin ti ch c s dng. u
tr ting cho thy nhin.
ng c ch PTP1B
t phosphotyrosin phosphatase, enzym th
g n
phosphotyrosin ca enzym kinase ho
gin truyn ca th th th leptin c
ch nh ng c i th th, d n
gim n [9,30]c chng minh
t m quan trn cu tr
ng. Trong mt s u gt s dn chc
chng c ch enzym PTP1B [9].
2: Mt s TZD c ch PTP1B mu
Tin t
T nhy cm insulin
T
bi
n s
chuy
a
b
IVa-b
14
-2,4-dion
1.2.1.1. Phn a thioure vi acid monocloacetic
E. ng s ng h-2,4-dion theo
[23]:
Phn ng xn:
- n 1: to pseudothiodohydantoin:
- n 2: thng ca HCl sinh ra trong
n mt:
c s dng nhiu su ti
gin.
1.2.1.2. Phn t acid hydrocloric
. Joshi (1968) [20] n n
u sut thc s dng.
15
N
2
1.2.2.1. Phn ng to dn xut sulfonamid
Phn ng gia dn xuc 1 x
S
N
2 [1]:
1.2.2.2. Phn ng to ether t dn xun xut phenol
Phn ng th gia dn xun t t
S
N
2 [1].
phenol.
-2,4-dion ng cao
ng:
chuyn tip
16
[3].
n-2,4-dion