/
internalized internalized

internalized - PDF document

ximena
ximena . @ximena
Follow
343 views
Uploaded On 2020-11-25

internalized - PPT Presentation

Insulin Proinsulin B cell encounters antigen BCR Antigen is B cell T cell Cytokine secretion Shortlong lived p lasma cell Ab binds antigen Memory B cell IgM IgG Class switch Tcr MHC II CD28 CD8086 ID: 825078

months 001 igg baseline 001 months baseline igg gada 100 1000 10000 cell 2000 4000 placebo gad titers sps

Share:

Link:

Embed:

Download Presentation from below link

Download Pdf The PPT/PDF document "internalized" is the property of its rightful owner. Permission is granted to download and print the materials on this web site for personal, non-commercial use only, and to display it on your personal computer provided you do not modify the materials and that you retain all copyright notices contained in the materials. By downloading content from our website, you accept the terms of this agreement.


Presentation Transcript

InsulinProinsulinB cellencountersant
InsulinProinsulinB cellencountersantig

enBCRAntigen isinternalizedB cellT
enBCRAntigen isinternalizedB cellTce

llCytokinesecretionShort/longlivedp
llCytokinesecretionShort/longlivedpl

asma cellAb binds antigenMemoryB cell
asma cellAb binds antigenMemoryB cellI

gMIgGClass switchTcrMHC IICD28CD8
gMIgGClass switchTcrMHC IICD28CD80/

86CD40CD40LLegend:A)B)C)D)Antige
86CD40CD40LLegend:A)B)C)D)Antigen

-bindingsiteAntigen-bindingsiteH
-bindingsiteAntigen-bindingsiteH2

NH2NLight chainLight chainHeavy
NH2NLight chainLight chainHeavy c

hainHeavy chainFabFabNH2NH2COOH
hainHeavy chainFabFabNH2NH2COOHC

OOHHOOCHOOCHingeregionsIgG1IgG2Ig
OOHHOOCHOOCHingeregionsIgG1IgG2IgG3

IgG4Disulfidebondsin hin
IgG4Disulfidebondsin hinge

region24112GAD65Secretorymicrov
region24112GAD65Secretorymicroves

icleZnT8IA2β-cellplasmamembrane
icleZnT8IA2β-cellplasmamembraneIn

sulinInsulinsecretorygranuleDay 0
sulinInsulinsecretorygranuleDay 0

1 3 9
1 3 9

15 21
15 21

30 48month
30 48monthm

onthsmonthsmonthsmonthsmonthsmonths
onthsmonthsmonthsmonthsmonthsmonthsP

haseIIDay 0 1 3
haseIIDay 0 1 3

9 15
9 15

21 30 month
21 30 monthmo

nthsmonthsmonthsmonthsmonthsPhaseI
nthsmonthsmonthsmonthsmonthsPhaseIII

010002000300040000139152130
010002000300040000139152130Mo

nthGADA titers (U/ml)n.sn.sp=0.001
nthGADA titers (U/ml)n.sn.sp=0.001p

=0.01p=0.04p=0.01p=0.03Responders
=0.01p=0.04p=0.01p=0.03RespondersI

ntermediatesNon-responders01000200
ntermediatesNon-responders010002000

300040005000115000125000135000GADA
300040005000115000125000135000GADA t

iters (U/ml)p0.05n.sp=0.0701000200
iters (U/ml)p0.05n.sp=0.07010002000

30004000013915213048n.sn.sp
30004000013915213048n.sn.sp0.

001p=0.009p=0.030p=0.013p=0.030
001p=0.009p=0.030p=0.013p=0.030p

=0.034MonthGADA titers (U/ml)4D vs 2D
=0.034MonthGADA titers (U/ml)4D vs 2Dn

.sn.sn.sn.sp=0.024n.s4D vs Placeb
.sn.sn.sn.sp=0.024n.s4D vs Placebo

n.sp=0.024p.001p.001p.001p.0012D
n.sp=0.024p.001p.001p.001p.0012D vs

Placebon.sp=0.007p.001p.001p.001p
Placebon.sp=0.007p.001p.001p.001p.0

014D vs 2Dn.sn.sn.sp=0.007p=0.012
014D vs 2Dn.sn.sn.sp=0.007p=0.0124D

vs Placebop.001p.001p.001p.001p.0
vs Placebop.001p.001p.001p.001p.001

2D vs Placebop.001p.001p.001p.001
2D vs Placebop.001p.001p.001p.001p.

001Baseline1 m3 m9 m15 m21 m1010
001Baseline1 m3 m9 m15 m21 m10100

100010000GADA median titers (U/ml)1 m
100010000GADA median titers (U/ml)1 m3

m9 m15 m21 m0246810124 D2 D
m9 m15 m21 m0246810124 D2 DP

laceboGADA median fold-changeABp=
laceboGADA median fold-changeABp=0.

0461 m3 m9 m15 m21 m02468102
0461 m3 m9 m15 m21 m02468102D

phaseIII2D phaseIIGADA median fold
phaseIII2D phaseIIGADA median fold-

change% of total IgGGADABaseline3
change% of total IgGGADABaseline3m

15mIgG180859095100p= 0.005n.s
15mIgG180859095100p= 0.005n.sn.

sIgG201234n.sn.sn.s0246Ig
sIgG201234n.sn.sn.s0246IgG

3p= 0.01n.sn.s0IgG41234p= 0.0
3p= 0.01n.sn.s0IgG41234p= 0.048

n.sn.sBaseline3m15mBaseline3m
n.sn.sBaseline3m15mBaseline3m15

mBaseline3m15mTime-point024
mBaseline3m15mTime-point0246

81080859095100Baseline1m3m9
81080859095100Baseline1m3m9m

15m21mIgG1IgG2IgG 3IgG 4% of t
15m21mIgG1IgG2IgG 3IgG 4% of tot

al IgGGADAIgG4, p0.001IgG3, p=0.001
al IgGGADAIgG4, p0.001IgG3, p=0.001Ig

G1, p=0.003Baseline3 months9 months
G1, p=0.003Baseline3 months9 months1

10100100010000IA-2A titer (U/ml)p
10100100010000IA-2A titer (U/ml)p0.

05p0.05p0.05ABBaseline3 m15 m02
05p0.05p0.05ABBaseline3 m15 m0200

400600800IA-2A titers (U/ml)p=0.0
400600800IA-2A titers (U/ml)p=0.01

p=0.001p=0.001GAD-alumPlaceboBasel
p=0.001p=0.001GAD-alumPlaceboBaselin

e14 %0%43 %0%ZnT8W(Trp)6 %Zn
e14 %0%43 %0%ZnT8W(Trp)6 %ZnT8

R(Arg)11 %ZnT8Q (Gln)0%Neg: 2
R(Arg)11 %ZnT8Q (Gln)0%Neg: 26

%3%0%59 %0%ZnT8W(Trp)6 %Zn
%3%0%59 %0%ZnT8W(Trp)6 %ZnT8

R(Arg)15 %ZnT8Q (Gln)0%Neg:
R(Arg)15 %ZnT8Q (Gln)0%Neg: 18

%15 months9%0%40 %0%ZnT8W(
%15 months9%0%40 %0%ZnT8W(Tr

p)6 %ZnT8R(Arg)14 %ZnT8Q (Gln
p)6 %ZnT8R(Arg)14 %ZnT8Q (Gln)

0%Neg: 31 %6 %0%53 %0%ZnT8W
0%Neg: 31 %6 %0%53 %0%ZnT8W(

Trp)3 %ZnT8R(Arg)18 %ZnT8Q (G
Trp)3 %ZnT8R(Arg)18 %ZnT8Q (Gln

)0%Neg: 21 %110100100010000Z
)0%Neg: 21 %110100100010000ZnT

8A (U/ml)ZnT8(Arg)AZnT8(Gln)AZnT8
8A (U/ml)ZnT8(Arg)AZnT8(Gln)AZnT8(

Trp)AnsnsnsABBaseline3 months9
Trp)AnsnsnsABBaseline3 months9

months0.00.51.01.52.0Tetanus ab (I
months0.00.51.01.52.0Tetanus ab (IU/

ml)Baseline21 months110100100010
ml)Baseline21 months11010010001000

0IgE (kU/l)ABn.sn.sBaseline3 m
0IgE (kU/l)ABn.sn.sBaseline3 mon

ths15 monthsSPS02000400060008000
ths15 monthsSPS0200040006000800010

000cpmn.sn.sn.sp=0.001p=0.001p=0.
000cpmn.sn.sn.sp=0.001p=0.001p=0.00

1Baseline3 months15 monthsSPS02000
1Baseline3 months15 monthsSPS020004

0006000800010000cpmn.sn.sn.sAB
0006000800010000cpmn.sn.sn.sAB48

months48 monthsSPS 020004000600
months48 monthsSPS 0200040006000

800010000cpmCn.sp=0.001p=0.001p=0
800010000cpmCn.sp=0.001p=0.001p=0.0

01p=0.001p=0.001SPST1DGAD-alumHi
01p=0.001p=0.001SPST1DGAD-alumHigh

risk0102030405060708090100%
risk0102030405060708090100% o

f maximum rh-GAD65enzymeactivityS
f maximum rh-GAD65enzymeactivitySPS

T1DGAD-alumHigh risk010203040
T1DGAD-alumHigh risk01020304050

60708090100% of competedb78p=0.
60708090100% of competedb78p=0.03

2p=0.010p0.001p=0.042p=0.028p=0.001
2p=0.010p0.001p=0.042p=0.028p=0.001A