Chaper 11 Genes and diversity of BCR and TCR - PowerPoint PPT Presentation

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Chaper 11 Genes and diversity of BCR and TCR

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rag1 rag2 rss 12/23 d-j v-dj ig: ... – PowerPoint PPT presentation

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Title: Chaper 11 Genes and diversity of BCR and TCR


1
???? ?????????????
2
????
  • BCR????????
  • BCR????????
  • BCR???????
  • TCR????????
  • TCR???????

3
?? BCR????????
  • 1.   ?Ig????
  • 1)??14????
  • V ??? VH, DH, JH????
  • 5'???????????
  • C ??? CH????

4
(No Transcript)
5
  • 2) ??(?--2????, ?--22 ????)
  • V ??? ?----V?, J?
  • ?----V?, J?
  • 5'???????????
  • C ??? C?(1) C?(4)

6
? ? (22 ????)

V?
J?C? J?C? J?C? J?C?
(2 ????)
7
  • 2. BCR ????
  • 1)H?V-D-J ??
  • ?B?? D-J V-DJ VDJ
  • ?? VDJ??? C????

8
C? C? C?3 C ?1 C?1 C?2 C?4 C? C?2
C? C? C?3 C?1 C?1 C?2 C?4 C? C?2
C? C? C?3 C?1 C?1 C?2 C?4 C? C?2
C?
C?
C?
C?
?
9
  • 2)L?????

10
(No Transcript)
11
??BCR????????
  • 1. ?????????(RAG1?RAG2??)
  • ?????????????????(RSS)
  • 12/23??D-J?V-DJ
  • ?Ig
  • 65VH27DH 6JH10530V

12
C? C? C?3 C ?1 C?1 C?2 C?4 C? C?2
C? C? C?3 C?1 C?1 C?2 C?4 C? C?2
C? C? C?3 C?1 C?1 C?2 C?4 C? C?2
C?
C?
C?
C?
?
13
2. ??????
  • CDR3 ?? V-DJ or D-J ???
  • ?????????????CDR3????.
  • TdT?????????N-?????
  • ????N-?????

14
3. ???????
  • ?????B????V???????
  • ??????????
  • ?????????????,???????????????????

15
??BCR???????
  • 1. ??????????
  • ???? ????????????????
  • ????? ????????????

16
  • 2. ???????
  • IgM IgG, IgA, IgE
  • VDJ??????????C??????
  • ?????C???,?????????
  • ????S?
  • ?CD40????????

17
(No Transcript)
18
  • 3. BCR(??Ig) ?Ab(???Ig)

19
(No Transcript)
20
(No Transcript)
21
??TCR???????
  • 1. aßTCR ?????
  • a?(14????) V, J, C
  • ß?(7 ????) V, D, J, C

22
(14 ????)
(7 ????)
23
  • 2. aßTCR ?????
  • TCR ß ?????
  • ??a?????d??

24
(No Transcript)
25
  • 3. ?dTCR?????
  • ??(7????) V, J, C
  • d?(14 ????) V, D, J, C

26
(7 ????)
(14 ????)
27
  • 4. ?dTCR ????
  • ????????

28
(No Transcript)
29
??TCR???????
  • 1. ?????????
  • 2. N-??????BCR?
  • 3. TCR V ??????
  • BCR1014
  • TCR1016

30
BCR ?TCR ????
  • ??? V
    D J C
  • --------------------------------------------------
    ---------------------
  • BCR H 14 65
    27 6 9
  • ? 2 40
    5 1
  • ? 22 30
    4 4
  • TCR ? 14 70-80
    61 1
  • ? 7 52
    2 13 2
  • ? 7 12
    5 2
  • ? 14 4
    3 3 1
  • --------------------------------------------------
    -----------------------

31
BCR?TCR ????
  • ?? BCR
    TCR
  • _________________________________________
  • ????? ?
    ?
  • ????? ?
    ?
  • ??????? ?
    ?
  • _________________________________________

32
CDR ??? 
  • BCR TCR
    _________________________________
  • CDR1 V ? ?CDR2 V
    ? ?
  • CDR3 VDJ ? ?
  • __________________________________

33
? ?
  • BCR???????
  • BCR????????
  • BCR???????
  • TCR???????
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