??????(cell-adhesion molecule,CAM):???????????????????????????????????????????????? - PowerPoint PPT Presentation

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??????(cell-adhesion molecule,CAM):????????????????????????????????????????????????

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cadherin Ca2+ ... cell-adhesion molecule CAM ... – PowerPoint PPT presentation

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Title: ??????(cell-adhesion molecule,CAM):????????????????????????????????????????????????


1
??????????
2
??????
  • ??????
  • 1.?? ?????????,??????
  • 2.?? ??????????
  • 3.?? ??????????
  • ??????
  • 1. ?????????,??????
  • 2. ??????????
  • 3. ??????????

3
? ?
  • ??????(cell-adhesion molecule,CAM)???????????????
    ?????????????????????????????????
  • ??
  • ????????????????
  • ???-???????????
  • ?????????????????

4
  • ?????

5
???????
6
???????
  • ?????????????(ICAM),????????(VCAM),TCR,LFA-1??
  • ?CD?????CD??/???

7
CD
CD( cluster of differentiation)
???????????????,?????????????????????????CD?
8
  • ?????????????????????????????????????,???????????
    ????
  • ???????????????????,?????????????????????????????
    ??(GPI)????,????????????????????????

9
  • ????
  • 1.?????
  • 2.????????
  • 3.?????
  • 4.?????
  • 5.??????

10
??? ????????????

??????? (?)???? ???????????????,?a?ß?????(a??ß
?)????????? ?
??????????
11
  • (?)????????
  • 1.ß1????
  • VLA-1? VLA-6?6???,?????????
  • ?????????????????????
  • ???
  • 2.ß2 ????
  • ????????(leukointegrin),????
  • ??-???????
  • 3.ß3????
  • ????? gpIIb/IIIa?avß3 (??VNR,?
  • ?????),??????????????
  • ????
  • 4.ß7????
  • a4ß7(CD49d/ß7)?aEß7(CD103),??
  • ????????????MAdCAM-1 ?

12
  • ??????????
  • ????????(Immunoglobulin
    superfamily,IgSF)????????Ca2-??????????
  • 1.??????????-2/3(leukocyte function associated
    antigen-2/3, LFA-2/LFA-3)
  • 2.???????(intercellular adhesion molecule,
    ICAM)
  • 3.CD44

13
  • 4.????????-1(vascular cell adhesion molecule-1,
    VCAM-1?? CD106)
  • 5.???????????-1(platelet-endothelial cell
    adhesion molecule-1, PE-CAM-1,??CD31)
  • 6.???????(mucosal vascular addressin -1,
    MAdCAM-1)

14
  • ???????
  • ???(selectin)?????????????????????????,????
    ???? E-???(CD62E)?L-???(CD62L)?P-???(CD62P) ?

??????????
15
  • ???????
  • ???(cadherin)???Ca2 ???????????,?????????-???
    ???,???????????????????????????????????E-????N-??
    ??P-????

??????????
16
  • ????????
  • ??????(mucin-like family)??
  • ?????????????????D34?
  • GlyCAM-1?PSGL-1?????

17
??? ??????????
  • ?????????????
  • 1.T???
  • CD28/CD80?LFA-1/ICAM-1?LFA-2/LFA-3??
  • ?TCR????-MHC?????????
  • 2.B???
  • CD40/CD40L?LFA-1/ICAM-1?LFA-2/LFA-3??
  • ?????????T????????B????
  • ????
  • 3.CTL?
  • ??????,???????????????
  • ?????

18
(No Transcript)
19
(No Transcript)
20
  • ????????

????????????????????????
21
  • ??????????????
  • ?????????????????,??
  • ?????????????????????,
  • ?????????????
  • ????????(lymphocyte homing
  • receptor, LHR)??????HEV??????
  • ??????(vascular addressin)?????
  • ?????????????

22
(No Transcript)
23
??? ?????????
  • ??????????
  • ????????(leukocyte adhesion deficiency,
    LAD)????????????,????????????????LAD??LAD-I?LAD-II
    ,LAD-I??????CD18?????????LFA-1(CD11a/CD18)?????LA
    D-II?????????????????????sLex ?????

24
  • ?????????
  • ??????????????,????????????CD2?LFA-1?CD44
    ?????,????????????????,???????????,???????????????
    ???????????,???ICAM-1????????????????????ICAM-1??
    ?????

25
  • ?????????
  • ???????????????????????????????????E-?????????????
    ?,???????,???????????,??????????????,?????ICAM-1??
    ???????????????????
  • ?????????????????????????????????E-??????????????
    ?E-??????????????E-?????????

26
  • ?????????????
  • ??????????????????,??????????T??,????T????????
    ??????????,?LFA-1?ICAM-1???????(mAb)?????????????,
    ???????????,????????????????(sICAM-1,
    sVCAM-1?)?????????????????

27
???
  • ???????????????
  • ???????????????
  • ????????????????
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