Interested Article - LAG3
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- 2021-03-04
- 1
LAG3 ( ????. Lymphocyte-activation gene 3; CD223 ) — ?????????? ????? ?????????????? ???????????????? , ??????? ???? ???????? LAG3 . ????? LAG3 ??? ?????? ? 1990 ???? . ??????? ??????????????? ?????????????? ????????? ?? ??????? T-?????????? . LAG3 — ???????? ????????? ???-??????, ??????? ???????? ??????? ?????? ???????, ??????????????? ????????????????? ?????????? ? ???????? ????????????? ???????? ?????? ???? ? ???????????? ???????????. ? ???? ????????? ??????????? ????? ??? ?? ???? ???????? ?????????????? ?????????? .
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??? LAG3 ???????? 8 ??????? . ???????????? ??????????????????, ??????????? ??????? ? ???????? ? ??????????? ??????????? ????????? ?? ??? ???????? ? ????? CD4 . ? ???????? ??? LAG3 ?????????? ?????? CD4 ?? 12-? ????????? (12p13) ? ?? 20 % ????????? ? ?????????
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????? LAG3 ??????????? ????????? ?????????????? ???????????????? (Ig). ??????? ?? 503 ??????????? , ???????? 4 ???????????? ???????????????-???????? ??????, ???????????? ? D1 ?? D4. ??? ???????? ????? ? 1990 ???? ? ???? ???? ?????????? ??. 70 % ????????? ? ?????? LAG3 ???? . ????? ???????? ????? ?? 78 % ??????????? ????? ?????? .
???????? ??????????
LAG3 ?????????????? ?? ?????????????? T-??????? , ???????????? ???????? , B-?????????? ? ??????????????? ?????????? ??????? .
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???????? ???????? ??? ????????? LAG3 ???????? ????? ???????? ????????? ?????????????????? ?????? II ???-II , ? ???????? ???????? ???????? ????? ??????? ???????????, ??? CD4 . ????? ???????????? ?????????? ????????? ????????????, ????????? ? ????????? T-?????? ?????????? ? CTLA-4 ? PD-1 . ?????? ???? ? ???????????? ?????????? ???????????? ?-?????? .
?????? ??????????? ?? ??????? MHC-II ???????? ????????? ???????? ?????????? ????? .
LAG3 ????????? ? ??????????? CD8 + -T-?????? ? ???????????? ??????? ? ????????? ?????? ? PD-1, ??????? ?????????? ?????? CD8 ?? ????? ??????????? ???????? ???????? .
LAG3 ????? ?????? ???? ? ?????????? ? ????????? ?????????? ?????? .
? ???????
? ??????????? ???????????? ???????????? ??? ???????, ????????? ? ?????????? LAG3 :
- ????????? ????? ????? (IMP321) ???????????? ??? ????????, ???????????? ?????????? ?????? .
- ???????? ? LAG3 ??????????? ??? ?????? ???????????? («????????») ??????????????? ????????? ?????? . ? ????? ????????? ????????? ?????????? (relatlimab), ?????????????? ???????? ? LAG3 , ?????????? ??????????? ????????? . ??? ??????????? ??????? ????????? ? ?????? ????????????? ?????????? . LAG-3 ????? ???? ????? ??????????? ???-???????, ??? CTLA-4 ??? PD-1 , ????????? ???????? ? ????????? ???? ?????? ???????? ?????? ???????????? T-??????? , ?? ?? ?????? ?? ???????????? ?-?????? , ? ?? ????? ??? ????-LAG-3 ????????-??????????? ????? ??? ???????????? T-??????? (?? ???? ???????????? ????????????? ??????? ?? ?????????????? LAG-3 + ???????), ??? ? ???????????? ?????????????? ???????-??????????? ???????????? ?????????? ???????????? ?-?????? . ????? ?????, ????????????? ??????? ????? ???????? ???????? ? LAG3 ? ?????????? ? CTLA-4 ??? PD-1 .
- ????????-???????? ? LAG3 ????? ??????????? ??? ?????????? ????????? ??????. ? ???????, ???????????? ???? ??????, ????????? GSK2831781, ?????????? ??????????? ????????? ??? ??????? ????????????? ??????????? ???????? .
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- 2021-03-04
- 1