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SPiBn :veNmoRTeOchX i REPORT EVALUATION OF THE MUTAGENIC ACTIVITY oF Tsar IN AN IH VITRO MAMMALIAN CELL GENE MUTATION TEST WITH L5178Y HOUSE LYMPHOMA CELLS (WITH INDEPENDENT REPEAT) NNOOTTOOXX SPurbosjteacntce11356512617 - page 1 of 22 - Ee T te S5r >1 I HH Ti CETIA CEIVED I-Ie eh oe TOXICGLOGY - .0. 80xT3o4l760,7532043HDa1mLb9"a+k75eH5newseFetoegurreibrnegoh3.aTyhesNetherands 004523 : or T-537M,37 REPORT EVALUATION OF THE MUTAGENIC ACTIVITY OF T-5874 IN AN IN VITRO MAMMALIAN CELL GENE MUTATION TST WITH L5178Y MOUSE LYMPHOMA CELLS (WITH INDEPENDENT REPEAT) NNOOTTOOXX SPurbosjteacntce11358912817 - page 1 of 22 - RECEIVED Nov -9 1594 004524 21 TOAICULOGY T5874 NOTOX Project 115921 2 S--T_AT--EMENT OF GLP COMPLIANCE NOTOX B.V.., *s-Hertogenbosch, The Netherlands BTohsetstruedcyentdeesdcirtiiboend oifn: this report was conducted in compliance with the i The OECD Principles of Good Laboratory Practice which are essentially in conformity with: RTehgeulUantiitoendsSPtaarttes58F.ood and Drug Administration. Title 21 Code of Federal TofheFeUdneirtaeld RSetgautleastiEonnvsiroPnamretnt1a6l0. Protection Agency (FIFRA). Title 40 Code TFehdeerUanliteRdeguSltaattieosnsEnvPiarrotnm7e5n2.tal Protection Agency (TSCA). Title 40 Code of vWaisthuntkhenowenxception that the stability of the test substance in thevehicle Study Director Ing. E.3. van de Waart a Date: Ge {i &g - pe 004525 T5674 . NOTOX Project 115921 Q--UALI_ TY AS--SURAmNCE STATEMENT 8] vorox ev. rsohertogenbosch, The Nethertands. |g] ssttuudsyy pspreocciefdiucresprovceersesessubgweercet taolsoperiinosdpiecctetdnsapce.cpteiroinasdianng1goeinneeryaalls"non ii]] mTheitshodrsepaonrdt rwaessulatusditaecdcurbaytetlhye NrOeTfOlXectQuatlheitysauAssduarraance Unit and the : DATES OFAGWAIUTSINSPECTIONS! REPORTING OATES JFFaeenbburruuaaarrryyy1712,36;, 11919999494 March 28, 1594 dFFeaebnbruruauaarrryyy1721,34;, 191199949944 March 23, 1594 Quality Assurance Manager C3. Mitchel .sc. vate: 0-4-q, -- ~ page 3 - 004526 T-5874 REPORT _--_-- APPROVAL N NOTOX Project 115921 - STUDY DIRECTOR: 3 Ing. .3. van de Waart Hex Date a MANAGEMENT oTre.chn1i.cCa.l EDninriengcator vate 20 ou Iigg - paged 004527 3 . i T-5874 -- NOTOX Project 115921 : PREFACE _-- sponsor Study Monitor Testing Facility Study Director Technical Coordinator Study Plan 00 C3anaBdealsgtiruanat- C11hemical EaC 8-2070 ZHLINDRECHT - 8elgiun Mr. RH. Cox NHOaTnObXakBe.nVw.etering 3 5T2he31Ne00the'rsl-aHnedrstogenbosch Ing. .3. van de Waart C.M. Verspeek sCotmpalertetd:: FJaenburaurayry181,4, 11999544 TEST SUBSTANCE EE IDdeesnctriifpitciaotnion PBuarticthy Specific Gravity Itenssttruscutbistoannsceforstorage coSntdabiitliiotnys under storage Expiry date S4thaobulresfoirn vatehilcelaest TC-r5e8a7n4solid 2130300% 17 At room temperature in the dark stable January 01, 1996 WDaitneerthylsulphoxide:: nnoot indicated VEHICLE --- qpIruhiaeolritteystto (Husesurebc.skt).aTnhceeTefswitnaaslsudcbiossntscaoenlncvteerdactoiinnocnedniotnfreatthtihyoelnssuslopwlhevorexenitdperinepoaftrheesdpceudcltitrruoersecsotpmiecdium amounted to 0.8% (v/v). i ee------------ - FIs 004528 3 R 3 T-5874 NOTOX Project 115921 ) GUIDELINES --- gIuhiedesltiundeys:procedures described in this report were based on the follotwing - TOGourxigidacenolilisonagetysi:onfIonrfoVrTietsErtcoionngoMmainocmfalCCihoea-mnoipceCaerllaslt,ioGenGnueiadnMedultiDanetevieonlnoo.pTme4es7n6tt:s*(,O"EGC(eDna)ed,toipctOeEdCD April 4, 1983) - TEEoEuxCriocpDieitaryne;ctEic`vOoetnhoe6mr7i/c5E4fC8fo/emEcmEtuCsn,-iMtuyPtaar(gtEeEnCBi):c,iMtDeyit:rheocIdtnsivfVeoirtr8o7th/eM30a2mD/meEatEleCir.amninACanetnlieloxnGVeonofef the Mutation Test*. EEC Publication no. L133 (adopted May 30, 1988). ARCHIVING _-- NprOoTtOoXcoBl.V,. data. rewpilolrt,arctheisvtearthteiclfeollroewfienrgencdeatasanfpolre,atallleasstpec1i0meyneasrsa:nd raw 0BJECTIVE --_-- Purpose of the study LTa5hb1ei7l8ioYtbyjmeoctutosieviendlouycfmephtohfmioasrwascretlduldsym.utwaaTtshieotnaossseavaytalwutaahsetetchotynhendiudctitenesedt skiunbassteanc(eTK)forlociutss in in the absence and pbarseesenpcaeirofmutaatmieotnasb,olifcramseystsehnift(Sm9u-mtiaxt)i.onsTheandTKsmmaultlatidoenlaeltiosnyss.tem detected J Justuificsatit onfi foorsf eselleei ccttiic oonnooa ffttht heetetiessttsosyyssn tteemm onLuf5t1am7tu8itYoangmaeolnuiscesysaTtcyetnmipvhioistnyaabcolfeelalstobraodraeedteucsrteadnbgaebseeocafupasciheremtiahcleaytleraarcteliaossnsesen,ss.itfiTrvhaeemeTixsn.hdiifctators Cn(eTulKtl+a/st-iodnetosficaTinKed/n-ts)mailnalrethdyerlneeistdiiisontneasn.tkintaosethe(TKc)y,totdouxeictoeftfheectfsorwoafrdthemutpaytriiomnidine natuhncealleoaogntuaieldoegtsureinfeilenudtooerdotihtfsoyrmpicdheiolnslepuhlo(arTryFTl)am.teetdaTbKodlediresfimivcaitaeirnveteobc(tenlaulicsnleedoctaisndoeln)eo:lty tihfhereoomrpdoerate nroeivdcoihunsyancrteohnetlsaeiitsnh.ialngIntoTFtThtehearpecreemlsluestn.acteeTdho,ufs,TeKi,tcheelTrlFsTspwihosinctchaonnewvoielurlstleydsuorirvnitvobyenutichnelecouatclittdiueorsne, oAtoftbeteshteataperostttiecnlsteuibaswlthaincnchaem,nianlgdiiuavcniesngcealrlpiosesmuitttaiogveean.TrKespdoenfsiecieinntthpihesnoatsyspaey. is presumed - page 6 - 004529 i RE NOTOX Project 115921 ) MATERIALS AND METHODS TEST SYSTEM -_-- Test Systen Rationale Source SThteockculctuulrteusrewseroef 0_ L5178Y mouse lymphoma cells RtEEheCec)o.grneiczoemdmenbdyedthetesitntseyrsntaetimon(ael.g.guEiPdAe,liOnEeCsD.as GSOtre.anteetAi.cGU.snAi.avCne.drsiCKtnhyaeampio,cfalDLeeipMdauertnta,mgeennTtehseiosfNetRofhaedritlaheatnidosn oT(ir1ni9e8g,1i)n.ailslToyhliastdeedrmiovubesydeClfliryvomenphot(mh1ea97Fc5ei)lslcheTrineL51wa7s8.Y Ll*)oacbuoCsrlaitvpeou,rtyatD.ipornoascneddautSrpeetchtefoorrT,K asJlso.ce.usSss.i,nign 1c9s7up5le,tcuirfeidc 3L15,1781Y7-2m9o.use lymphoma cells, Mutation Res., tchheescekedcelflosr mwyecroeplsatsomraedcoinntalmiiqnuaitdionnitrogen (-196). CELL CULTURE _-- cell culture conditions F10 complete culture medium Selective medium Cloning mediun FL150178cYompmloeutsee incubated in cluylmtpuhroemamecdei1ulms. weCrueltucruelsturveedrein a hunid atmosphere containing 5% C05 in air at 37C. Cell density vas pwceorrmeepfleeretaxebploycsueldkteuptrtoe btmheeeldoiwtuems7twxistu1hb0osuttacnecsleelrsu/immn,l.F10Cells buffered with 20 mM HEPES. FF(11600ibccnooe)md,piluesntuepwpiltcehumoleutntutreetdhymwmeiidtdihiunme10c%oannhsdoirshstyeepdoxseaornfutmhH,ianme'L-s g(l50utaUn/mi1nean(d25m0)uga/nmdl perensipceicltliivne/lsyt)r.eptonycin Sc0ue.ll3te3uc%rteiAgvaemremdeNiodubimluenwhic(coDhnisfcicoso)tnteadainndoefd5,F1u0gi/nmcloamdTpdFliTettieon (Signa). Ccseluroluntmiu,nrgewmmheiedcdihiuunnw,ascosnutsrpiapsnlstefenodernmtoeefddF1wi0intthocoam1p0g%leelhtoerbyse addition - page of 0.33% 7- Agar Noble. 004530 i Environmental conditions aAtNmosipnhceurbeati(o8n0s-95w%e)recocnatrariineidngou5t%iCn0pa hinumaiidr pienrctehentadgaerkvearte3m7oCn.itoTrheedtdeumrpienrgatutrhee and CO- experinent. - REFERENCE SUBSTANCES i ee TVNreegeatniveTceonotTrroelt:he test articre. Positive controls: : EWitthhouytTmnetsabtolhiac nacetisv(uaEtTNiSopn:hGAa(S-Sn9-hmaei.x)t:3e3-50-0; (2 mM) was used. EMS causes direct alkylation opufriDNtAy. 98%; Janssen Chimica) OW(i0it.h5ntmeMe)tEawbRaoslyicuTseaadc.rtiEOv(aMrOtHiohoansdCaht(+on5n9bi-eemniax4)ec:t5i.v7a5t-e,d bpyurmiitcyro9s9o%n,alJaennszsyemnesChipmriecsae)nt in ctheelluSl9a-rmixD,RA.resulting in a methyldiazoniun fon which could react with Hab Snolkv"ea snts l for a Resfean rletnscc eolSuute bisotnad nwcietshout calcium and magnesium. Solutions of reference substances were prepared immediately before use. METABOLIC ACTIVATION SYSTEM -_-- Preparation of $9-honogenate" 0 oRratSplriavgeuremiDcarwolseoymarlatse,nzwyhmiecshwewreereroobuttaiinneeldy pfrreomparBReLd, fSrwoimtzaedrullatndm.ale Wistar TIlhanebtoraranapitemorarilytsonceowaneldrlieytihowoniusts,hedaasatsodleNusOtTciOrXoinbeidn(20ian%swpt/ehvec)iaSlOoPf'rsAo.roomcTlhuoenrderra1t2s5s4twaen(rd5e0a0rdimngj/ekcgtedbody sw(aetcihrgeiyhfti)vceeri)en. cdoTehrneniedloiilva.ecrcseFsisovfetotdhaeyfsoordaltastfeorrw,eraettherlyeemawsotevreed12aksihelopluteridscapblyrleycd,eedciaanpndigtawtaisohne;d in Nicaongl3dEDv(To0Al.Cu)meSsusbtseoefrqiul`eephnot0sl.py1haMttehesobudTfiifuvemerrsphwiowtsehrpehaatmeiPontcbteuedfrfeirhnoma(opgbHelne7i.nz4de)err.caoTnnhdteaihnhoiomnmogoggeen0ni.az1teedmM wianstocsetnetrriilfeugeadmpufloers,15whmiinchatwer9e00s0tog.redTheinsulpiqeurindatannittro(g5e9)n w(a-s196t9rCa)n.sferred - page 8 - 004531 iJ ren NOTOX Project 115921 *) mcAunaetrsac,giennoBigNcein.tsyaMentdesCtna.nunt,aMugte3.antsiaownnidthRVeasmt.sh,seak3Si1a,,in3o4.n,7s-131159a47/5m,annMaeltihaondsnffcorrosdaeetsect_ing Preparation of 9-nix pS$ho9o-:smmpiihxxatcweoa;nsta3pi.rn4eepdnagrpeedNrADiPmm;lm:e4d1i.ma0to2e)lmygHEbPeMEfGSColrpe3.n6duHsp6e0.;5and2ai.4k6eSop.tmgTonhKCeTi;acebo1v.de7urimsngoglagrtlhouencstoessstge.. oMpvfeheritecacheblomllwiiaxcsseudsaapdcaedtnneidsdviaFotainifl.ottenerrwaF(si0i.ta2ec2rh-iusemtv)ee-rdsitlebiryzialatidizdoeindngo(0fa.p2atrhemt1 $f9lr-iomvmiexrthcSeo9m-$pm5o-ifnxreantotc.et)iw.oanc:h m1 EXPERIMENTAL _-- PROCEDURE Selection of Dose Levels/Cytotoxicity Test tErrieoantintgo {angHeEPEoSf, 6thex in t1a0 hcetuaacleblslemsnu,cteagseoufnsipsceeinrtdueymd teiisnnt a6 csmyltteorotifolxeiFc-1i30t0y mmldeadtciaeunmtwrbeiurffeufegorebetdtauibwneietdhwbi3yt0 test substance concent a brootthateidn tfhoer 3abshenocneaanrdollperresneinxceerratoifaotnSs93-7miCin,x.appThreoxicneantterliyfughealftubJeosg seterps. sbAyufpte3errncatethnaetnrtiefxupagonasdutrireoe,nsusstptheeenpsscieol(nl1s15ofweg,rtehe8 scemeiplnal)r,sa,teedatcwhifcreofmolinltohewHeadntkr'ebsyatmbreaenlnotavnacs)eodluostfiaotrones. escxoopulrnuettseisdoendinaansdantfhi"enInaplrrleoydvuecidtnioFNn-e1ua0bfatmueeerdriuamph.parcomTxohicenyatctaemelelltyser2i.4n compared to nontreated control cells, Rtehleatfiivnael cystuosrpoewnisciiotny.were h and 48 h growth nccouotlntcuteronextsircatpiaroennpdaorrreadngdeifforf(i4cmuudltotasgeset)noicodiiftsystohletveesttewisaintnsg.asuqsuuebIedsnotuactsnaocseesdoeltttuhoeetriaboietnnesesatpptahlseiusebudshititagainhnbcelese was gceonnecreanltrcaotnicoenntwraastidoentsermeixnceededibnygt5hemgs/omllubiwleirtsynoitn ttehsetecdu.lture medion. tin Cleansing s21fpnroiidnnoatryoapnttieenooruimcsnuulttaamuungtrdeaenn1it.cms6ie,tdxyiufmo1(l0alnc>odowneMtcdayittbnhoyiytnnogiaxidcir10ine-tec3y)(MHtAheTys-ptmoiexndgaf,nut)htihnetoe',cer2ledlusxce1v0e-rt7eheMgarmowonuntfoorf ercxeoptneutrraininenedinntgt.o hnyopromxaalnthmiendeiumandat thlyeamsitdinfeor oon1vleydr.ayy Apfbeterefiroordetohsfista2rptediraniygosd tonhceemlleediuvmere - page 9 - 004532 T-5874 NOTOX Project 115921 Mutagenicity testr sfTfeohnrledeecpteteesesntdtdendssotuuesbbxessptteacarnenclcelensewcnwaotesnsrc.etnets6rtaextdi10obnosthceexlwlpisetcht(ea1dn0d%/tmow1i)bt,ehosourttro1Sn23g-laxyix1t0o8ixniccet,lwlosfor(1w0a6c/hm1) 3sb7uusfCpf.eenrsSeidoolnvHseanntwseraenFd-p1pl0oascmieetddieivuiemnexc3wpo0iontsthemrldooulctfseonrswteerr3ruinefh.ugteFoorttuhbetehsitseoshpturaspuorbsoseltlaentrhceemieipnnle]rHePaete. eewevxreperryeswsoaitsohhneerd odftawytihceein mwoiurttdhaenrtHBStpSoh,emnoactioynuptneat.iendThlaeongdcpusihlenatecsudleerudedesgdri.ownwetrAFhef-.t1e0sTruhbcecueulxletptxouusprrurereeedsm.sedaticuemljlessscoer dtphieesrhieotsdestcfoonsrtuabTisFntTia-nnrgceesi1s33tamxlnt20c0lmountciaennlgtlssmewodfaisuena3chtdaoydsod.seeteIrwmmemirenedeiapctleaeltlleydsaufirtnvetirovaPeloxopoi(stpouelntroreniintgo cefofliocniyenccoyu)n.terTheorcetlhle snuarkveidvaelye.was counted after 10-14 days with the aptoy *) MlCly-inMvpMeh.,o,na0.1,m97u9tJ,aoghneVsnaolnia,dsastaKyi.o0.ns,ysatnSedpme,ccthoMarur,taacttJi.eoFrn.iSz.aR,etsi.oB,nat5so9of,n,th6e1A-.1GL0.531.7a8ndY/TBKrowMno,use *) RmDAe.mosSau..cs,,heer71l,29y,8m0pD,4h.4Eo7.mP-,ao4i7cnP4etalillmslu.etta,tIIi.oSn.sTCe.sattTvutarhenleirdt,ahtyimGo.iNnd.i,naendRakyii,nnatseVer.Ap.rleotacanutdsioSinan,lsLboMuiurytgaa,ttion *) Jfootrzw,ardM.muatnadtiMointc.hferlelq,uenAc.Dy.,at19t8h1e, thEyfmfiecdtisneofkin2a0secodleodcuscheinmicLaallsoeyon the Hcmoaolrulcsaienndol.gyennps.hoaF.Jc.elldse. SeInr:resEvaanlduaJt.ioAnshobfysh(oErdst.-)t,ermElsteesvtiser-oNforth *) SVeannotdaexricHioetvyeno,f 136, 9-21. qJ.uCe.rMc.e,tinBruigngecmualnt,ureId.M.mamamndaliDaenbetcse,llsF,.M.MHu.t,ati1o9n84,Res., *) mCGlabimevrmela,yl,ia0n.T,.Jc.eC,ialsp1a9mr8uy7t,,ageWGn.u,iicdieKtiyrf,boyr,MuptePa.rtf.io,ornmiKnRrgeesh.lt,,he1R8.m9,o,usMeo1o4r3le-y,1n5p6Mh..o,naMaaysos,ay3.forand Hutant selection sAIeenfrlteeetcretcniotouPhnn9e)t0.eedpxeTptKwrr-ieidtsehsfidiiotcshnhieeepsnne,tarkiemoedaudcthaeaynetct.soontatfClaolironmnnieiudnnmggbemrie1cf5 rfoomiflccoi1l.so5enlfexecst1i0vien c1me0el-dl1is7umwdear(yeFpsI,l.awtheidch sTshueerlveicmvtuiitnoagnntcweeflrrleesq.udeentceyrniwnaesdexaspredsessecdribaesdthaebovneu.mberenocfiemsutaatnttshepetrine105of mutant - page 10 - 004533 T5874 NOTOX Project 115921 or $ | sccerraaniary oF assar - -_-- Ac6B))rimtTAuethtreaitlaiea;aobsnstolausttshearyeeclwaaonsfinctghoensefiffdoieurcrieeddnocsayecscoefopftatbhtelheesotilefsvteinttsumbecsottnattnrhcoeelsfhoavldalsowa5ing5s0o8s.s-ptable nnuutmabteirono.f surviving cells (109) analysed for expression of tne oy ) @ TT<ihhn5eeducppseeopdrsoint1sti0iav%gneneiocfulcisoocnnaatmnbrutlotelasn(tcaet(leflrtlseeh.aqysultemne2cty-hafnioenls)utlhfeioncnuranettaerseeaas.ntdedindioratheetshoymllvanecinttsrocsoanntirnoel) was frequencies. -DA_T--A EVALUATION AND STATISTICAL PROCEDURES NAito:tefsotrmaslubshtyapnocteheswiass ctoensstiidnegrevdaspodosniet.ive (utagenic) in the mutation assay @) 5) TIthtoe tihnredeuscuselodtlsveanvtterTeceoansrtterporalod2ui-cn0i1ba0ledoisinnec-rdeaneaspeeinnddienenptethnemdeamnnutntleayrntreanpfderaetqeudentceystc.ompared Aa@)sstaNeyosnteifs:oufbsttahenceteswtased ccoonnsciednetrreadtinoengsatisvheowe(dnota teice that of the sotvent control. mutagenic) in the mutation mutant frequency at Teast 5) The results vere confirned in an independently repeated test. Tehneterpreicnetodintghecrfiintaelriaevawleuraetinoont daebcsiosliuotne. and other modifying factors might page 11 - 004534 T-5876 RESULTS - NOTOX Project 115921 CYTOTOXICITY TEST/D0SAGE SELECTION _-- - P1323r03elimuggm//immn}larybauntdsolpupurwbeaicrlidipstiytatteedstsinitnhdeicaextpeodsitthiaotnT-m5e8d7i4umwaast csoonlcuebnlteraitnioDnMsSOofat tTIhnaeblteahebs1epnsrcheeoswesonfceth$e9a-ndmriexasbuTsl-et5sn6c7eo4fofithnehaibpmiretetealdbiomlitinhcaeryagrcotcwiytvthaottiooofxnictihsetyystleytmnepsht(oSn9wa-imtichxe)lT.l-s58I7ni4n 3st3hu3espgeurgno/smwiltohnboyaft81at%h.eteIsTntyastphuheobmsatparneccseeelnlcsceonioncfenstuSrs9a-pmetinixsoinotnhoefat1te0s30t33ugs/uumbgls/tlabnycbey584%i4n%ah.nidbitaetd MUTAGENICITY TEST --- BdWoaissteehdourtoanng$e9t-hmewiaxsr:esse1u0lltesctoteo3df33tfohreug/cmmyulttoactguoelxntiiuccriiettyymettdeeissuttimn(gTable 1), the following With $9-mix : 10 to 333 ug/ml culture medium EaaMcsStsiavy(a2twiinoMtn)h, mwaewsthaebrueosalesidcaDaMsNc,taivp(ao0ts.i5iotnin.Mv)eTacsboelnretvrseodl2asainndat3hpeosshitotewisvtethweciotnphteorurotclenmtefaotgraebsotlheiocf ccToe-lu5l8n7t4ss.udruvIirnvidanilgvidasuunabdlcutlchteoulrominuyntgacnotaurenftrse1iqsuotefendccileoisnninTfgaorblaenvsdars4i-oe9ulsecotfciovntehceepnltaarptapetesin,odnisxandofcell Isilnnicgrthehtae,seablesisnesnctehtehaonmfut2Sa-9nf-tomlidxfretihqneucernetcaeysset insinubesxtthpeaenrcimemuetnaitnntd1u.cferdeIqnuaeenxscplyeirgiwhamtsen(to2b.s23e-rafvoeldd Hsfouowbledsvteairnn,cethtehies sceiocnnocsnrieddaeseerxepdeirnniomttehnetm)umtutaaagnndetnincoftreidnqousteehnecyraeblwaastseendcn.eotoTfhreerSpe9rf-oomdriuexc,ibltehe (tneotst2Iinncrteheasepreinsentchee omuftaSn9t-aifxreqtuheenctyestinsbuobtshtanicnedepienndduecnetd enoxpesriignneinftiscant Tv$h9e-ermeisxpwoitnahtnidanne1o.ou4usr+mh0ui.ts8atnotriincfatrlheeqcuopenrntecrsioeelnscediantoaftheSr9a-nsagoielxv;e(n2.ti0-ntdr+iecaa1tt.e2edd icnaroentthremoelaanbssceu+nlcte5u.r0eo.sf 5ff-uotratnont=47g-ffroaelnqdduen4foc1riersEeMsSpienacdntudicveebdylyb)5y- potosit1i0v-efolcdontfroorlDMcNh.emIitcalwsaswetrheereifnorc,reased by cacotnicvlautdieodnthsaytstetmhe(st9e-smtixc)ondfiutnicotnisonweedreprooppteirnlayl and that the metabolic CONCLUSION -- ee ------Iu-- nndecro-- nctlhues-- ieoxnp,e-- riTs-e5n8-- t7a4l i-- sconndoit-- timountsagdeensiccriibnedtheinTKthimsutarteipoornt.test sys 04535 F 17-5874 NOTOX Project 115921 TABLE 1 CPERLELLSIMINARY CYTOTOXICITY DETERMINATION IN L5178Y MOUSE LYMPHOMA --- D(ousge/ml) -- AftercellAsf/tmelr (x 1A05f)ter oh 2h 8h OOO Total Suspensio%nofgrcoowntthrol solvent1 control 56.29 103.3 4681 13030 5429 333 55 Without 65.13 a42s 3al1s 10 metabolic 4a57 sal4a a50s1 37 activation 6558..13 3643..70 267..79 127 (-59-mix) 18090 593% a722 15 solvent1 control 66.45 103.3 6604 10303 6632 333 55 --- With metabolic activation (+59 mix) 66.00 66.74 19070..55 110030 s6l6s 6611 10804..74 18073 6724 55.79 18057..64 51 500 54.8 18180 56 * SSuoblcvuelntturceont=ro1l.6 = x DM10S5Q No subculture cells/ml * Total growth = Cell count after 0 h x (24 h cells/ml) x cells subcultured c(4e8llhsceslulbsc/umlltured * Test substance precipitated slightly tdrieraetcmtelnyt after in the exposition after medium 24 h - poses ees 004536 71-5874 NOTOX Project 115921 TABLE 2 ICNYTOTTHEOXMIOCUSAENDLMYUMTPAHOGMEANICL51R7E8SYPOTNESSETOFSYSTT-E5M874 EXPERIMENT 1 - o(uogS/Ea1) C(%E.OFACTODNTARYOOL) (CA.BE.SOALTUTEDA%Y)S MMUETAANNTNSO. PEORF PLATE coSnoltvreonlt 1303 130303 2 aM EMS Without metabolic activation (-59-nix) 110020 6601 103 6 22..41 34 5700 762 1488 129 60 14.2 coSnoltvreonlt 1303 130303: 0.5 mM OM -_-- With metabolic activation (+59-mix) 1080 5578 94 59 1138 0's 9621 859 20.56 30 38 u.3 SCo.El.ven=tCcloonntirnogl E=ffDiMcSiOency OEMNNS == DEitmheytlhnyeltnhiatnreossualnpihnoenate * Test substance precipitated slightly in the exposition medium MFRUETQAUTEINOCNY x 105 22..63 53.82 1s 15.9 12.51 0160 2.1 19.8 - pogets - 004537 T-5874 NOTOX Project 115921 TABLE 3 CINYTOTTHEOXIMCOUSAENDLYMMUPTHAOGMEANICL51R7E8SYPONTSEESTOFSYSTT-5E8M74 EXPERIMENT --_-- (puogse/m) _-- coSnotlvreonlt 1303 12030 2 ah ems 2 C(%E.OFACTOONATYROL0) Without metabolic 19050 10569 65 91 C(.AEB. SOALTUTEOA%Y)3 MMEUATNANTNOS. PEORF PLATE activation (-$9-mix) 8958 45.82 99 6317 97 5.2 91 23.2 MFRUETQAUTEINOCNY x 10% 23.03 a235 36 17.1 With metabolic coSnotlvreonlt 100 1303 8922 10303 9%1 osmom a _--_-- CS.oEl.ven=tClcoonntirnogl Ef=fDicSiOency OEMMNS == DEitnheytlhnyeltnhiatnreossualnpihnoenate * Test substance precipitated activation (+59-aix) 10738 33.24 10730 2134 101 39 [a 14.9 slightly in the exposition 22.82 112 26 21.6 7 medium TP. er---------------------- 004538 2? T-5874 - Sse ~ NOTOX Project 115921 APPENDIX Individual Colony Counts and Cent Counts during Expression periog FORMULAS ANO CALCULATIONS FOR LS178Y MOUSE LYMPHOMA TEST SYSTEM, Mutant frequency per 10% survivors = 100 cloning efficiency Total number of mutant X colonies on selective plates nunber of seeded cells Cloning efficiency = Average No. of colonies on cloning plates X 100% 2 LS176Y MOUSE LMPHOWA TEST SYSTEM + CCleonincgounetfsficdiuernicnyg ienxnpreedsisaitoennypearriieosd exposure - Mutation experiments, individual colony counts Tables 4-6 Expertnent 1 Tables 7-9 Experiment 2 Abbreviations used: OMN, dinethyinitrosanine Solvent control: DEiMSm,etheytlhsyulTmpehtohxaindeesulphonate EE + pegs - 004539 H5 orse . NOTOX Project 115521 ETAxBpLeErim4enLtS1718Y MOUSE LYMPHOWA TEST SYSTEM - CELL COUNTS AND SUBCULTUR.E DATA Tr T ! RT frre STwSyn oSr TT mmm -------- dose (ug/al) f[tcreelaltsaebnteforxe 10|[tcreelalstmeanftterx | 106]%1) |x [Total 10 wmount Cell eral count] x 10932) |x [Total 10 amount) Ice1d [cial count x 10 | 1x2) ithe metabolic Hetiuation (59-210 Bw 5 Fsr l FE iiisI 5 88 BF oa onn E ommm oE wx ox ou B FE m .de BA Son mon on nonoan we 5 For FHpd itn h HBFeatoeEsdsT eEsActm ivatioo n m (59ao) mar Bm0o8w EBIs B35H BBao oaowsfongo uon mnnoooounR @ SsetHts EancRe tress + 1008 @ cont crouena x 1000 3) cell density 0.4 x 10% c/ml (4) cell density 1.6 x 10% crml eget A 004540 i T-5874 NOTOX Project 115921 TABLE 5 L5178Y MOUSE LYMPHOMA -Ex_p--eRIHENT 1 D(ousge/ml) _ TER cNol.onionfgcoplloantiees/ Solvent control 10 10303 3i3n3s 109 ; 105 ; 108 111 ; 113 ; 104 106 ; 112 ; 112 1o97i26:60095 98; 68; 60 TEST SYSTEM - CLONING EFFICIENCY ORY 0 MceoalnoniNoe.s/polfate Without 9-aix OOo Calbsoonliuntgeeff(rieocliafteinvcceoyntrol) 0TeTemen 107 109 110 a5g6 &i 2%5 75 54 100 55 102 55 103 38 70 Vith s9-mix cSo1on0ltvreonlt 1 168;91714 ; :16 a16o8 700 1a00 _3o30n330i3 01156069209;10101555029)55; 011s653s3 dl1so5oos8 ov 725789 3a2904 * plots . 004541 EH T5874 NOTOX Project 115921 TABLE 6 LESF1F7I8CYIENMCOYUSE LYMPHONA TEST SYSTEM - SELECTION DATA AND CLONING EXPERIMENT 1 Dose ug/ml _-- Jtunber Ifetezs of 3 colonies/Selection plate|Total|No. of colonies|Mean|MF 1I as 78se ao Ken L [/clonie ng platr e | ] | | | Without Metabolic Activation (-s9-aix) | Solvent | I| control | 0 3 10 34 30 22 13 21 120 123 116 | 120 2.3] 0Bo ldz BBISZ 144 128 os42s48 400523 552461 11217 01059002119 0261 633330 a23m%0 24 18 1We4oo1y2n2 s1h2a8 1s ous i 11i12ag1 a21.8n64 _-- 51T 2 wz T 105 115 154 119 ioe) es | With Metabolic Activation (+59-mix) i oSolvvent 1| I | cBoBnJtrol 0BIE 1 |J0o1 1r0 0 1 2i 123 0 1 124002320 10 2003 0 000 213221 115385 o 1L8oin 1s7 1ae 4y i1e6s i2oe.1a] nuim soe _BM-- 1201l3 131501017131210 1558 1023 l7s5 13933 1ar le36 o1aa TFT Pe1 MF = Mutant frequency per 105 survivors -pages - 004542 H Tse74 ~ NOTOK Project 115921 TExApBerLi7EmenLtSL278Y MOUSE LYMPHOMA TEST SYSTEM - CELL COUNTS AND SUBCULTURE OATA T iE Tw r p a Cdoosere [ceelslstabenforesar[caellts aafterx 061| 20 |tockx 10mone)[Iceek) ScouSngOi ) r| oelx 108 et IS5c2e3 cSouOntE |Loy Vithou etabetsc Activation -59-ebe w w5 woo f d 8 5o33 b5d B aB@ odod 3e0oe nwmroa moakwen oma ncaoooomn oa wo =" eBoosd Rin oghuoun Sooon itn etanalsc Activation (oronte) ofForI Bwoo 555u3l e eB a io o se sa o n sa n m ywe uiae Boose 38 go8 ona 8a md io a sh awm lowhou B50a3 sSotEatRten tress 1 100m @ eE on cor m r 1008 &(3) amy cell density neon 0.4 x 10% crm) -porter esect ece 004543 : T5876 NOTOX Project 115921 TABLE 8 LS176Y MOUSE LYMPHOMA TEST SYSTEM - CLONING EFFICIENCY ony o EXPERIMENT 2 fost) (ug/ml) Mos,of colonies cloningEPR plate Mean No. of colonies/plate Cloning efficiency absolute (r%eloafticveontro) Without $9-mix Scoonltvreonlt 10 113487;| 114374;} 11431 11357 7] 19050 33 3e130s30 155 ; 147 ; 158 153 1983734!}; 1385552; :I19N3F 189m5 77 106 46a3 55&9 With S9-aix cSoonltvreonlt 168 ; 149 ; 189 169 as 100 1103003 333 11113660671;}011116234579};; I11N46F9 156 111l635o394g on 750 ew 7a780 829%2 7 1 & 3s a INF = Plate infected with fungi _ - Pago oo 004544 T-5874 NOTOX Project 115921 TABLE 9 ELF5F17I8CYIENMCOYUSE LYMPHOMA TEST SYSTEM - SELECTION DATA AND CLONING EXPERIMENT 2 IDoAseT [e Number of cs oloniN es/Selee ction plate|ToNtoa,l|[N/oc.onoifngcoplolnaitese||Mean|HF || | --- 11 23 45 6 78910 [1 2 3 | | | | - -_-- Without Metabolic Activation (-59-mix) | Solvent | | I c1o0ntrol 33 |160 34 127 4483 41 5572 23 5875 85 6675 32 5 11590 21827 117823 191750 3.3|I a0 3 189 19% 203 197 2.5] 133030 EY 112085 12027 4254 2624 5476 1615 5623 2825 6753 2324 56&21 232 210809 180 l19e5 180 11920 11987 4336 184 101 17.1 --- TT | _-- With Metabolic Activation (+59-mix) | i seaomltvreonlt || 33 10 133 43.84 1452 4423 2404 3 32 200 26 19 206 2.2| 14 150 171 15 2. 10303 333 [l'4190 136 2110 75 3146 21 6130 43 2200 53 2130 21060 2000 113984 214060 11.a6 39 180 223 200 200 2.6 oN --- 11215 1218 1716 1813 1216 19 77 105 9 9221.6] TT | MF = Mutant frequency per 105 survivors - pages- 004535 TA