17β-Estradiol Suppresses Cytotoxicity and Proliferative Capacity of Murine Splenic NK1.1^+ Cells.pdfVIP
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17β-Estradiol Suppresses Cytotoxicity and Proliferative Capacity of Murine Splenic NK1.1^+ Cells.pdf
Cellular MolecularImmunology 357
Article
1713--EstradiolSuppressesCytotoxicityandProliferativeCapacity
ofM urineSplenicNK1.1+Cells
SbaHap,PengfeiLi,JunliZhao,YaliHu,andYayiHou ’’4
Inordertoclarifytheeffectsofl7B—estradiol(E2)onnaturalkiller(NK)cellsandthepossiblyregulatory
mechanisms.weobtained highly purified and viableNK cellsfrom C57BL/6J mousespleen by amagneticcell
sorterfMACS1.Thesecellsweretreated with E2andthen theircytotoxicityandproliferativecapacitywere
exam ined.To further investigatethemechanismson the eff.ectOfE2 on NK cells.expressionsofactivation—
associatedmarkersfCD69,CD122)andinhibitoryreceptors(CD94,Ly49),andintracellularcytokineproduction
wereanalyzed.Atlast.weperformedthecDNA m icroarraytoexplorethepossibleinvolvedgenes.W efoundthat
E2couldsuppressNK cellcytotoxici~.andproliferativecapacityinvitro.E2reducedNK cellcytotoxicity.and
proliferativecapacity.which may bethrough influencing thephenotypesand cytokineexpression ofNK cells。
mainlyinvolvin~CD94andIFN一 Furthermore,regulationofStat4,Fyn,Sh2dla,Eat2,Cd244,Irfl,Runxl,Irf7,
Irf5.Esrra and Nr5al genesmay be related to the cytotoxicity.proliferation and cytokine production of
E2一mediatedpurifiedNK cells.Cellular&MolecularImmunology.2008:5(5):357—364.
KeyWords:1713一estradiol(E2),naturalkillercell,proliferativecapacity,cytotoxicity
IntrOducti0n leastinearlygestation(41.Otherwise,uNK cellsmayderive
predominantlyfrom asubsetofperipheralNK cells,which
were recruited to the decidua ofthe uterusofpregnant
Thefetaltolerance isnotably dependenton thematernal
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