Fxtr~ction ~nrl Concentration from I'1lJf'inp ;.\ Senior M~cro0ha~es Iyrnphnodp'o" Honore, (Tn of Project 49CJ) ,l;,y R ,i. 1 1 P;;lll c; ~:;pr'in(~1 t ,i. nVf:'r'~H)l G,er t pUn "1 v f'~ ,~ i l~ Y' 1c)c)1 Abstract M ••••••••••••• M _ _ . _ •• _ · _ · •••• • •••••••••• This I' 81 project e a s'j n g nodes. involved c ul t u 1'1 n y The d process the d her" e n t was based rn do C r' 0 p hag e cell s f r" 0 rn granulomas using collagenase IH do C [' 0 P hag e collected P I' 0 t 0 c 0 I a for" human t pad d'iseases 1a that has known antigen"in a the of spleens cur's. 0 f [' methods m 0 use s pl e ens Some model s to Lh e 0 protocol m rn a r"l n e l y used treatment. shown such C5/BL/6 and These in rn for ph extracting an d l 'I vel' data on f l el s 11 m a nl as i s d eve i 0 pille n t 0 way iny n) as the nodes, du Azar' n by not. CU rni c e f r urn has of [' S was tiH~ of ( tile a no exhibit to be (1 - 5 ) • and regional of Res e a [' c i l l n s u [' f ace 0 n " cav I t y p [' "p [' e s e [l t.i 'Iyrnpilocytes a to !Tl?j(![ p e ['I t oneal by d, "i1 Y P e [' - e x p r" e s si 0 t e 'i n 11 9 to act 'I e Ish rn a nl a si ~'. sl iyht. ulceration the shown ulceration 6 - 9 ). cel as cutaneous been E x p e [' I m ~~ n t al leads used spleens show [' e s p 0 n s e body. but arld eventual 0 C been L ei?.f!rll?.rli .. ? st'lmulate mouse ilas strain lals to foreign lymph Ka'la and al so that of 0 mlce enlargernent (10). st.rain mice tl t'l t h e l rnrn un e 1 fl a rec ex t r" a c ted PECs) ved an as rnouse swel rec phd g e s as 01 t oj n show specific in 0(: P [Ya g e s p u 1pol sUCt1 Balb/c nodes; a 'I s 0 rn a c r" 'i s i n v ayainst mice lymph on (cells The (si Leo f i n o u ['I a b o f 0 'le'Ishrnanidsis1n v u 1 n e [' a bl e infected draining 00 0 on ed In C I' a 'I • ~! X t [' ern el y f I' of e x p e r'i rn e n t s i e a d 'j n y lr1 'I ei silman 'I as 'i s. The t 11 e e x p r' e s s 'I on Expe['lrnental model III d development of enlargement. fout.pad hyper-expression of 10, 'f a on their (' e s p 0 mice PECs n se and that (6-10). r' e c 0 v e (' ['ece'ive These r f' 0 drug mount response rni c e immune 'I a c k mice. and t he Cyclosporin A similar aJ s 0 1 a c k an tr"ea"t.ment seve (. epa tho g e ni c they mount effective L '~',l?j,.9.,f.'i n f e c l 'i l he p('ophyl.itctic immunosupresive an m mice Wiltl (CsA). to the r" e s p 0 n • been C5/BL/6 nse 0 r n 0 shown mice. to The un t (' eat e d the 0 Ba1b/c th'B have h '1 P e (' - e x p r' e s ~;i the 0 immune I a I" on t h ei [' P f:.:Cs. As mentioned above, unprotected of peritoneal increased numbers infection progresses. ineffective immune it Y P e f' - act i vat 'i (11) . d nd We mac r" 0 0 know n Research response of that p hag e la+ s 0 cytokines act i vat i n g In have lab, we mac (' 0 pi] age s pJ a y [' ~! S 'i rl been t it e 0 r" rec mice as to ti v e mdY as Lhe that the due c (' eat e an Lo pop ul a t i gamma 0 r1 s inter'fer'on. an mdcropages determine 0 develop be c ei 'I ILl, ( r"1A F) between trying e f suggested p f'i a t eT SUCr] r act relationship has 0 mice macrophages these m e i nap p f' Interdependent our of Balb/c and what T cel s. role r i n e I' r e c t i v e i mm urI e P 0 n s e t 0'1 e ish m a ni a si s • Macrophages rnof'phologies these cells and cells an d r' e d p uJ p rn a c r' 0 the t it a t it a v e a[)out 0 been III the 01" parts di rfer' the PECs the f of the s pi e e n ex ten si vel '1 a c [. 0 P hag e s speci)c f [' what til e pop ul ct stu di e d . 0 m r"oles I y rn p h of cavity, t ion s Due node these ar"eas b f'·it in, peritoneal a [' e r rl e i [' body. accof'ding mi c [' 0 gli ace 1 1 sol' iver, [' e 'J e a si n 9 known can The rn de,' 0 phd 9 e s di f f i cuI t '1) n 'iitt'leis in various functions populate. Kuprfer p it age s populate 0 to r the t i s sues , cells. In our lab, don eon the majority of our macrophage PEe san d developing lymph J"' 0 a protocol nodes, immune mac we hope response to This protocol for' to J"' act e d I' J"' 0 m the determine their been s pi e e r1 • releasing.macrophages better has from role BY the in the leishmaniasis. is based on procedures used adherent macrophages granulomas by p rl age s e)( t research From spleen treatment of red pulp to release tissue and liver tissues with cullagenase enzymes (12,13) M.c.!._t:. . ~.r._.j ...c.!.:.1 ...~. t1. ':?._t}).5L9....~. 1M ice - A'11 breeding . _L.:..~...:L~.!!~ c.!.!). B al b / c x C 5 I B L / 6 mice we J"' e J . ~!:ll.."1.j. .9....r.~. i n fee ti wi t h 2 0 ;: (". subcutaneously f e t 611 0 n a J"' y in the stage promastigote has in 0 n- tile P J"' 0 t 0z0d T i'l e infected mice. wi t h i " ], 0 - s t a ti stage C 611 F S e r' u fll needl e. we r' e i s 01 ate d r.r.1.0jgr· we [. e L. g r' 0 wI I I rl Anima'l s wer'e • I' [. 0 fll t il e vi t r' () 'infected stage p r' 0 mas ti got e s i r1 j e c ted left hind been Bal b/c fIlouse footpad. shown str'airl susperldedin PBS and del'iver"edin f,;lauge b r' e d i n our' own facil ities. spleens of i n R P 1'1 I and to be (14). d. r il e s t a t 'i 0 n a r"y the most infective Lei s il rn a n 'i a 0.05 fill \AI e r- e dose wi til a i./ 'p Cyclosporin A treatmenl- C ~Ai n oil. Mice wei g il t t wi c e a day p ['i began 1 wer'e day 0 [. to h 0 mice g u r"i n t e " D. f.. • F. G. H. I . '2 + . P B SlQ£'..~ S ..G.J. 1 ::11 • / fIll'1 1'4aC1 8.06 mt1 r-.la"Hpo. / H 0 .' '~·f· 2 1.5 rnM KH2f"J04 5 • 5 rni"l - gl u c 0 ~:> e 2./ mr1 RCI 0.9 IIlr1 \",,211.1 .. 2 0.5 mM MgC1 6 H_O 2 L Brought to a pH of /.3 6 '" 0 u g il L t 0 a n end v 0'1 u m e '2 + _<::..~-···""Ir.1 .Y.""·-"·- and v 211 ~ • orally or with body Treatment ~olution~ u~ed and 211 1 M. C?..~U...fj...~..~. P. y.J...~ ..'3....C::..(;;...9.....'....'?" C. treated with CsA L ...rr.1.?j.9..L.i n f e c t i 0 n . **un1e~~ noted otherwi~e A. f.:l. wer'e do~es or 150 m / kg giverl 12 a t Balb/c .f..r.:..~._e.. fQ.E. !3._.?'_.~- P [. epa [. e d ~ T il .j c> 0 d. S r 0 1 u t "j 0 ~torea at 40C.*~ nco n l ai ned : 1. 0 Oi'i t e [. abo v e, but wit il 0 u t st ep s f" G. _t::.D..~.Y..!!I..~. ~L9.. l . ~. t i ..9...!~ ..~.- minutes before wdf"fTled to (::;i grna Co. 37 o All use, C. we [. e by sol u t i 0 n s dissolving Collagendse we [. e we r" e use a as p r" e p d [. e d enzyme 1,II,IV, not e a i r 1 in and r' e DPBSG VII 'S nom 0 [. e dna t han 30 previously DNase u"1 t. sse c t i 0 f) • I 10 A 9 a I. §,F"~,Q_t~,.Q,,t:, - ,If».,!",r::"E",!?,,:t fill Cd Co. Then a 2+ /r"ly 63.6 2+ s 01 u ti f' r' e e 0 n was in OP B S G gr'ad ient. p" epa r' e d 90 by di s s ml solution 'was 01 v i n9 (SiglTla pr'epar'ed by cornbi n'j ng: I~ . 9 C. rn a c r' 0 .a p hag e j w e r' e cell n cub a t i sal ine eel I s P (' e was to u 'I t u r' e 0 rl use, b e c d. use aurler'e C we r' e to was per' a p 1 ace d j n used. to f" e rn ai ni n 9 d. s s t u d 'j e s esterase each rn a c f" every dissolving buffer ,'ernove f t e (' [1 ave positive. two 19 plus gr'ovity 1.25 Illl F'ilter'ed S t () 0 n was s 01 u t 'i III 0 The stock f'ilter' a.1M s tor" e d gently PO at 0 0 t han spec washed at paper- Cur 1 l i was 2 fill h 0 u r' w; t rl All adher"ent 0 9 5 I.. the sec e 'I 0 was was 20.0 I'ernove added used. f P hag e s • 'j ~:. characterist.lc. The to a 1 bern a c (' fic solution to stated, A I' t e r' solut.ions buffer 4 4 r' e shown cel'ls. (solidJln 2 been used. ass u rn edt. stock O.OOlM CaCl 1 of we r' e rnacrophage trlr"ougrl III w e 'I cover used. other'wise w e r" e A be cui t u r" ~? cell microscope Unless s how n t h a t a well have each 0 to S e r" urn P hag e s paraformaldehyde 3 • I k well r 24 gldss non-adrler'ent was h weeks. p a (' t. i c"l e s • C 0 glass. add edt. r' rn e d j n square ,f.'"~,,r~a f ~,L,r,!l"~..J._,9.,,~..I.~,y',,,9_,~, ,E"j,_>.<_,~"t:"i"x,,~,Fresh r0 slips so'lution Vl 0 U af'e 1 sus pen S1 () n s selectively o f III (B e 'I co) ~>Ii P s stock 90/. Per' c 01 s 01 u t '; 0 n " / r1g f'r'ee DPBSG 1 x Cd. h eat i n d. c t 'i vat e d F e t. 03,1 Cal Previous plates. slip m'l ?0 • 6 20.4 rnl B prepared made III 1 by O.lM PO sol u t 'i on -'1- was so'lid to filtrate. 1 X. A use by (pH par' a r0 diluting produced 1 ine (kindly Me di c a] by n was rn ad e 1:4 with solution 0313/ an d t fl e C biB l / 6 p u ['1 I i c a t i II 0 II S al b u ITli n (Sigma I d. has P e ci f i c and Roger J. N C) • This jus t P [' "i PO~ O.lM 0 t:. r' 0 buffer <{ t y pes 0 j' just f bi urn II dill 9 to to 0 n 0 [ rn al of n tu the cell Ouke becau~:>~:! was used the Balb/c 1a d f1 H C rn 01 e c uJ e • 1a cap [' "i 'Ji c was dis s r [\i use. s d, 01 ci d yed was 1 : lOIn done to I i rn rn uno glob ul 'ill. diJ u e II t e o n t ai lOX. bind t fl e sol u t 'i 0 hybridorna ce"]"]]i rle u si n 9 priur 03131 the Kurlander shown Ant 'i bod Y diluent ( 8 SA) 0 of con c e n t [' ate d (1 b ) • se growth been h al b was r" a 0 bi t HI e [' a b oi L fl lOrn 9 / rnJ ed s e I' U fill n 0 u vi IH:! R F-' f1 1 1 64 LJ s e r" rTI U HI e di a Co.) An anti - m u use jug ate marked ( p u [' not to D'lJ uen t. C 03137 by portion 0 I' n serurn p [' eye n t doe s 0 by 0 u r' h am. antibody I mrn uno g"J 00 uJ "i n I'aobit ascites donated C en t e ['. the p ['i 41.: stock 0 /.3) were COli r" rn d."] de f1 y des 01 u t i of the F a b "" fl a sed f [' 0 m anti-La t fl e Fao 0 dY Trlis bi I I d was t was antibody antibudy. 2 f'] u 0 I' e s e 'i n P eJ - I' I" eeL) antibody. non s p e ci f"i c a 'J 'J y use, ant"i i:l .{'- 0 fhe III a diluted 0 c y a n aLe tot 9 c eJ J ~:> use d binds Fab"~ c [' 0 P II age 1:10 1 sot hi In to d. the Fragment Fe antibudy c; e"' "I s • Just R a b bi t S e [' u III .t.Q..9_Lr.::..~. .~. !:. _f.J....Y_()_f...~..~..~._t!u_l...t:. A. r:l...!:.. .l.J?..9....9. Y.. .?. ~_.~i..n. j...'.:~._y. .M. ~ . (;-.!::..9..P.h. ~.y..~_ . ~. Lt f .~.. ~...~.J. Q_l- identify adherent la+ standard procedure .M.j. .<=:_.r.::..<?_.~..~..<?.pj...~. under· v·j ~i bl e l i 9 h t D3 1 3 I lymph node for .~ ..~..~lJli...r_I.. 9.:..U T fl e thi~ anti bod Y w a ~ u ~ e d t 0 matrophage~. ~taining ...9..r.I. - Co v e r· ~li p ~ and U v l i 9 h t determine total number of maerophages u nde ,. ight luore~cent UV Fluore~cent eel s were t u~ed ·1 ab'~:, (9) • e x a rni ned examined un de,· at 4 OX no,· ma l i i 9 h t in examined area. cells were counted. con~idered Our· bot h u ~i n 9 a U V rni c ,. 0 s cop ~~ Sli P ~ we,· e ~ wa~ we ,. e (leis~). fi ,. g ..L .~. cJ...i:.~. ~.!.::..Iil..!I... :~. Ia positive. All to r [1 e n " 2 c. .F."..'.·..9...~..~ ..9...\,! .. ~ Ex d C t for· L.~.J... ~..':.l...?jD..9 d e t ai ·1 s o l .?:..9tl..~.T . §!..!:lJ~. lJ.l..<:l,..c::J. . <:>..P...tl...<:l,.g..~... ?.. e d c hex p e r·i rn e n t 03.1 K.~...?..~J.. t.~. sec t i 0 collect from one A. r1ice wer·e B. 0 r· di n ·i n gpo pi L e d . l l y rn p h C. nor two sdcr·iriced w e r· e dish containing node each node s wer·e m·1 c r 0 In 1 I bei'"ore e x p e r·i rn e n t s II, IV, gr·indingin or· treated. 1 Y rn P h we r· e perfusion rnajor··ity of 01 0 cells ex per· i rn en t. s In 10 fill 0 cat e d erlzyrne 5 rnl 0 0 f w e r· e cell s k nee b e i li n d a r pet r· 0 ViI gauge 0 f' B 5 G 01 added gr·oups 1·1 u ·i d was r·eleased ·1 Y rn P il Centro i I"uged to e • g·lds~;, of r el e d se OPBSG Lo as J P r 8 ground d nd 9, d u I·j n ~J r· el eased iflto ··1 10 • floted e x p e r·i rn e n L s nee d to .J P i and was Tissue un its / fill pOI·Lions 1- I J PT 22 specii'"ic~:. (see til e n i n d ·i vi dual i3 0 0 I' and 1000 units/rnl in ups .R. t:! ..~ ..'='..J.....t. . ?.. ). 10 nil J P T 11 - 14, OPBSG, with u n d l rl wer·e 0 t r· a nsf e r· r· e d t fr·osted I n tissue. I n resuspended g r· u rl d e r· I. e OPBSG at 4°C. tilose Collagenase des c r·i bed d noLed. (1 C' s y (·i r 1 9 e using gr· nod e··· asphyxiation. nod e w i til s ·Ii de s i n to node s as 2 under with gr·ound Collagenase CO per·fused i n j e c ted s cop e cells. 10 rnl was Collagenase Nodes by ex p e r·j [[I en t we r· e nodes r· e rn 0 v e dan d -I e g) of O. lymph I e r t ll"lyrnph E x per· i rn e n "t a ·1 pap e ( .• or rn e tho d .X..f.:..9..!!! J. y.r.T).I-? . i.l. until suspension. n o\d e s pellet we r· e at 4 o 9 r· °u n d C, and Collagendse ~. 01 u t i on. E. C (~ll s we r· e i n cub do ted dL :3! 0 C i n a 5;:' (; 0 2' e r1 vi r· 0 rlITl e n L • p p f. roll 0 w "i n 9 the r" el e a s e washed using cell s nil Ca/Mg f r" e e reel "I s free The i r1 DPBSG C a / r'l 9 0 D PBS (1. pellet was (1. e a/ Mg enzyme activity. c e "11 1f s we r" e then each 1 rnl t be 0 test C a / i'1 9 fuged cells resting using transfer pipette. wit.h Ca/Mg + H. The gradient with centr 1 0 ;: f e t 03.1 c e"1 "I s we r" e 1 f pellet was free r10 t t e r u rn 0 be resuspended ad "i en i: , t.he layer was cover The cover were resuspended (f C S) layer" and removed for" t w"i c e in RPMl RPMl 1640 c 0 u n t1 n g • s e p d. r" ate d b Y 9 r" a di e nt, in in gradient. Celis wei" e washed DPBSG and ~:; y r" [1 ai L L0 resuspended surface of percol C al f 01 f1 9 of per"col at 1800 9 at 4°C. on o r" suspension was carefully layered on 8-10 rnl so"1ution. per" c s was T 11 e • enzyme use d i n was i1 s e p .;\ r" ate d on 0 PBS (1 in 10 t i1e p r" e s e (1 c e of on group of cel f r" e e n '> w e r" e r"esuspended Collagenase DP B~:; G was f r" e e 0 T i1 e nth e sec eli s we r" e dependent ion s . sus per 1s "i DPBSG by centrifuging down c e n t. r" i lug e d dow nay a in. ("eact I on t. i1 e 1640 + 101 t i1 ~~ n feS for cQun t.i ng. 1. Cells were counted on hernocytorneter, desired concentration. W 81 "1 e d p"l ate s for" then a d her" e nee diluted to sarnples were added "i n cub a ti a r1 . t.a +" Specific t.he guidelifles of eacil exper·iment ar·e r·esults • e. . ~~.. P...~ . r.:. .t.r.f.1.~Jl...t....._. ~. L. _._.J,. r·li c e : '2 g r· 0 ups 0 L .!Tl<:\j()r·i n f e c t i r 0 '2 n u n p r· 0 t e c Led w e r· e use d . B al b / c mi c e i n we e k 4 0 f Pr·ocedur·~~ : .................................................. r h e ·1 y fTl P h nod e s w e r· e gr· 0 u n d wi tho u t e n 2: y met r· eat fTl e n tor· incubation, and placed orl Per·col gr·adierlt. Cel·ls wer·e Inc u b d. ted, was h ed, [ i xed wi t h 1 I.. par· a [0 r· rll al d e h y de, a fl d 1 f stained. f\ .~.. ?IJI.t..?.... :. No macrophage ex arni nat ·i on . cells were observed under microscopic .t.:.. ~..P.~..r.::..::i.. f!1.~.r.:I. . t. ....... ~.e.T. 2 r·, ice: .............................. '2 rTla.,j()r:i rl groups of '2 unprotected r e c t i 0 n w e r· e used. Pr·ocetiur·<·~ ................................. ,.. Balb/c rnice in week 5 of L. : In thIs procedure Collagenase VIi at 1/0 units/ml + DNase I 20 units/rnl in 8 rnl DP8SG. ~'iuspension Wd.S inculJat~"d for· 10 Hli nut. e s be I' 0 r· e C a / r"'i g I' r· e e was r1 • () t il e r· wi s e i den t i cal to Ex. JFT 1. R{:~su·lt.s: f', gelatinous mass developed washing. No cell s obser·ved wi til I art e r I i r· s t micr·oscop·ic Ca/r1g Iree DPBSC, e x a IT! ina t i 0 r 1 • ..E.,..>.<..p._~_LJ.f!1.l:!.. Q...~_ .......~..E.T.. . . .::i...!..4. Mice: Each experiment L .!Tl.:=tjgr·i n fe c t i 0 rl • P r· 0 c e d u r· e ~:> used 4 groups of 2 mice in week : ............................................................... In these e x p e r·j rn e r 1 t. s, 1 / 0 u nj t s ;' rnl substituted for Collagenase VII. C o·j ·1 age n a s e l l 4-6 of 'p T ! i';;.esults: Gel f 0 f' Ifl e d er'r'vneously was a sin round J PT 2. T he C a / r1 y l f' e e D PBS G s 0 '1 u t i v n to be stock lOx ~:,oluLion. fhe SOIUl.lOrl fl ad bee I I I abel e d 1 x and the h y P e f' ton i c I Y si s an d the f 0 f' mat 'i 0 fl 0 I' the 9 el . s vi u t i 0 n c au s e ci c ei '1 ,~"~"P'..,~_,!::,j.I!1_~,n ..~,_,_".~"E.I_.__?,,,:'., i'1i ce: 2 groups of fTI<:l,jor:i fl I' e c t i 0 fl • 2 unprotected Balb/c mice at week 5 of L. p.r..'.. ()<:,:,,~,g ..':l,.r:Y~. In l his e x p e f'i rn e n t 0 fl e 9 f' 0 u po' f i y rn p f 1 nodes was t f' eat e d wi til Coil agenase I I 1/0 U/fIll and tfle Ol:fle[ tf'eated wi t.il Col '1 age r 1 a s e 1 V ( no t. e: n ei l i 1 e [ , sol u l i 0 [ 1 con t ai rl e d f.) r·J a s e 1) a L sam e dil u t i 0 n • E a c h t est y f' 0 u p W d. S 9 f 0 U 11 d, t f' e d. ted wi til enzyme solution, and incubated for' at 3/'\; 10f' 10 fll'irlutes. x 5 fhen groups were washed, cul tured at ~.O 10 cells/rnl RPMi + 1 0 "/ F C S '1 n 2 <1 well c el 1 wei 1 pl ate; til e n ~, t d.i fl e (j • Hesu'lts: .......... ...................... . - Coil age n a s e l l l [' eat. fTl e n t p [" 0 d u c e ci an ave ['age 01' adhe['ent c e l l s / f i e l d witil 68.9';:' of cells beillg Id.+. C 01'1 age r 1 a s e IV t [' eat m e [1 t P [" 0 due e (j an a v e r' aye of a d il e f' e n t e e II s / 'Ii e 'I d wi t h 6 5 • :j:r.: 0 I' cell s b e i n 9 I a~' • 3 4. 2 Mice: 2 fTl<:l,j()f:i n groups of 2 unprotect.ed r e c t ion w e f' e use d • Balb/c fIllce at 6 of week L. P.,I:,,(),..~,~.gyr:~~,,~, In l to t.hose t.o t.f'eat. ti'l e p [' 0 c e ili sex p e [' i me [1 t, '1 Y III P h nodes we [' e t [' eat e d i den t i c 0.'1 used In Ex. JPT 5; except, collagenase IV was used bot.h yf'OUpS of mice. 'This was done t.o detefrni[le 'if sse 0 ul d de I i v e [' con si s ten t r' e sui t;, • Results: ............................................... Whefl ce'lls examined undef' fluQ['escent fTlicf'Oscope, ins u Y f i ci e n t cell s f 0 [' ace u r" ate data coli e c t i 0 [1 W e r' e round. ;'1.,'11 slides con t ai n e d l e s s t il a n 1 a d 11 e f' e n t cell / ri e 'I d on a v e r" age • Hice: 2 [!l<:l,j()r: groups of in fe c t i 0 rl. 2 unprotected Balb/c mice at week 8 of L. p f' . [:.gr;~...tJ. ',J..r:. ~ . . ~. J n t hi~;, e x p e [. 'i men t '1 Y rn p il 11 0 0 e s w e r' e I' e m 0 V ed, t [' eat e d witil Collagenase iV as in Ex. JPT 5, incubated FOf' 10 Ini nut e s, g I" 0 U n d again using cl e an f [ 0 s ted si i des. Tile remainder of the procedure was ioenlical to that of [:',x. JPT 5. ror Ayaininsuff'icient numbel's collection or 121 expression of cells data. couid be obse['ved ,~.,?<"P_,~ ..r.::.,::i"'!'"E!!,,,~l_,1..,,,,,,,;J.,,f'_,T,,_,,,,~,,.:'., M.i ce .:.., 2 unprotected a n 0 2 C 5 I B L / 6 mi c e ITl'?,jgr.i n I' e c t i 0 n • Balbjc mice, 2 CsA protected wa I' a usa d • All fll 'i c e wa I' e i n Balbjc wa e k i:3 rnice, 0 I' L. Pf"oceouf'e: .................................................... Lymph nodes were removed, and grouped by type: U 11 P I' 0 t e c ted. C sA. 0 [' C 5 I' • i n t hi s a x p e f" i rna 11 i:.l Y rn P h n 0 0 e ~, WEll"e pe['fused with 5 rnl Collagenase 11 at 800 U/ml. fi'lell 9 [' 0 uno sus pen si 0 n s weI" e i n cub ate 0 I' 0 I' 1 0 mi nut e s and L il e n wasiled wi til Ca/Mg l'I'ee DPB5G. Cell s wel'el ayel'ed 011 Pel'col. a II dee n t. f' i I' u g e d • T [1 e con c e n t I' ;;~ t i 0 n 0 f c e 'II s .j n e a c h f'< P ", I ~, 0 '1 uti on was d 'il u ted to 1. 8 xl 0 () c e ') '1 s / rnl. 1 ml sam pi e s we f' e tl"ansfal'f'ed to pI'epaf'ad walls in 24 we'll p·late. Plates wel'~" centrifuged at 150 gravities to sediment. celi s. Plates were 'i II cub ate d I' 0 f' 2 h 0 U I' S • I'i xed t 0 s l i des u si n 9 1 I:' P d I' a f 0 I' III a'l d e h y des 01 u t i 0 n , and t [Ie nco vel' e ci wit h P 8 51 0 I" later examinat.ion. The cells were not. If stained. f:~: . ~!...?...~. ".!. ... ~.... ~~....:.. Unprotected Balb/c mice were counted at an average of :3 • 2 a 0 h e I' e II t cell s / I i e ) d , i n 5 0 I i el d s • C~A protected Balb/c mice were counted at an average 01' 8 . 0 a 0 h e 1- e n t cell s / I i al 0 i n 5 0 I'i el os • C 5 7 B L / 6 rni c ewe I' e c 0 u n ted a t a vel' age 0 r 9. 1 a d h e I' ell t. cell s; f i el o i n 50 I i el d s. .M,.i ..,<.: ..,~.,.,:.., 2 i n Ie c 1. 'i e. G r 0 LJ P s or 2 C sAp I' 0 II weI' e use 0 . 0 t e c 1. e d rni c e i n week 6 of L •... I:I.l..<:l,j,().r:, f,'.. .9.,..<.::.,~, ..si,.~J.I.'.,~,. :. P I' 0 C e d LJ I' e i ci e n t.i cal t. 0 E:. x. ,J P 'j 8 was LJ sed un t i I o r cell s • 5 u s pen ;;i on s o l two g I' () ups we I' e pool e dan 0 diiuted to 2.01(10° celi ~>/ml RPr-il solution. 6 sl ides p I·epaf'eo. di) uti then we I'e 011 H.esults: .'\ v e ,. a 9 8 I i el d c 0 u n t s cells/tield C 0 to _t::_>,<..p.._~_F.5.r.!1_~.n_~ __ ._.~_e el 1 c 0 u n t o t 4. 3 a d il e ,. e n t c 81 1 s / i i el d, but b 0 f di r fe,' e n t s 1 'i des a v e , age d f ,. om • 8 ad he," e n t b.3 adherent cells/fi~ld. . T. ._._:1,..Q ,"1i c e : ';' yr'oups or 2 irli'ection we,'e and L .rll<:l,jqri n 1 e c t ion P r" e d u r' 0 C ........................ ~~ unprotected Balb/c mice in week 9 or 1 yroup of CsA prutected mice at week we,' e / of use d • : Lymph nodes were removed, yround in 10 fill 01 DPBSG + Collagenase IV 800 U/rnl. ::3uspension c , we,'eincubated ror' 10 rn i r1 u L e ~;" r- e 9 " 0 u n d and inc u bat e d f 0" 1 0 m 0 ,'e rni nut e s • C e '11 s we,' e t i1 e n was h e d wi L il C a / "1 9 i' I' e e [) P B :::> G • Al sus p e 11 si 0 n s wei' e cornbined, and washed with Ca/Mg Free [)PBSG. Pellet was " e sus pen d e d i n 2 rn '1 C a / "1 9 f " e e D PBS G • 1 fill 0 r sus pen s'i I aye ,- e d on per' c 01 and c e n t ,·i rug e d • A I" t e r- was i1i n 9 cells twice. pellet was resuspended in 4 fill RPMl + lOl fCS. ::> u s pen ~,i 0 r 1 was d '11 ute d t. 0 4 x 1 0 6 c ell ~, / fill 1 1111 s a rn pi e~, 0 n w ;;.I, ~:> we,' e L r" d n s r e " " e d to p" epa r" e d cell w e '11 pI d t e • 1 he pI d. t. e w d, s C e '11 s w 8 r- e ri x 8 d to c e rl t r-i rug e d t il e n i r1" u bat e d 1 0" '2 il 0 u r' s • s l i des by t r' 8 d t m e 11 t wi t. h 1 t:: par' a f 0 "rn al d e h y de, t. hen s t. d, i i1 e d using fluorescent antibody staining procedure. Result.s: 12.9 ad h e I' e n t Cell s we r- e 0 b s e " v e d at 11.4 Ave ,"age cell number' in in 30 rield inspections. counted was 12.0 adherent ceil s/fielci. ............................................. cells/field 4 slides _t::..>.<.P..~..!.=j.r.!1. ~_r.].,_t_. __ .~.F.'..I_._._.:1,...!. fvli c e :. .•.... unprotecteci Balb/c inl'ectiorl wer'e used. mice in week 18 or L. "rllo.,jgr: P........................................ r- 0 c e ci u " e : 11 P oli t e 211'1 y rn p h nod e san d t i1 " e e '1 y rn p h n 0 ci e s f r' 0 III t i1 e lowe,' b a c k s 0 f t i1 r' e e 0 f t i1 e ani rn a'l s w e r' e " e rn 0 v e d f I' 0 rn rn ice • L y rn p i1 nod e s we,' e all 9 ,. 0 u n d tog e t i1 e r ' i n 1 0 rnl D P 6 S G • Suspens'ion was cer1tr'ifugeci to pellet. The pe'l'let wa~> resuspended in 1.5 rnl DPBSG + 18/0.5 units of collagenase (Tilis t,'eatrnellt was appr'oxirnately 1000 U Collagenase/rnl of pel'leted ce·l·ls). Ce'I'ls wer'e incubated ror- 30 rn'inutes at :3 / 0 C • A t 5 fIli nut e i n t e " v 211 s, the cui t u [' e s we [' e ,. e rn 0 y e d r r' 0 rn i "1 cub a to,'. YO,' t e xed I' 0" '2 sec 0 11 d san d , ' e pi ace d i n inc u bat 0 ,. • .'\fte"irlcubation. 8 rn', t 0 c u'l t u r' e d n d was il e d • Cd./ M 9 I " ee D PBS G . T 11 e '1 of cililleci Ca/r1g I,'ee DFBSG was added C e'l 'j s we,' e w ,~ s i1 e d do 9 doi n wi til 1 0 rnl C ells we,' e ,e sus pen d e d i n 1 '2 fill R P r1 1 + 10l FC:::). Suspension was tr'ansfer'r'ed to pr'evious'ly pr'epaf'ed c ~:1 'il cuI t. u [' e p'l a t. e i nO. 95 flli al i 4 u a t. s • C e 'i s we [' 12 centri fuyed for' 5 minut.es t.o set.t.le cells on glass, then inc u bat 12 d for' 2 h 0 u r" s • A I' t. 12 [' inc u baLi 0 n c 121 'I s w 12 r' 12 was h 12 d arlei fixed using 1;;: par'dlor'mdldehyde solut.ior). Re~ults: Cells in RPMl solut.ion were count.ed One cover sl ip WdS completely counted at o t fj 12 r' s l i p s we [' 12 no t com pi 12 t 12 'i Y c 0 u n t. 12 d , simildr' counts. a L 2.0 x 1 0 6 cell s /ml • 625 c e 'II s • T fH~ but appeared t.o have ,~">,<"p""~,_cj"I!l"t:!.,r.:!"t.,_,_",~,e,.:r.:"",,,,:J,,,,?,,,=.,' 1'1 ice: 01 2 CsA prot.ected and 2 L'J!j::l,jgr:infection wer'e unprot.ect.ed used. Balb/c mice in week B Pr ............................... ocedur'e: , p 0 pI i t 12 a l l y mph nod e S w 12 r' 12 p 0 0 led, 9 [' 0 u n d, c 12 n t. r'i f u y e d d s i n Ex. JPT 11. Ce'l'l suspensi orl WdS tr'edted wi t.h C 01 'I a 9 ~1 n a S 12 1 s 01 u Li 0 n a t 1 0 0 0 U / ml p 121 'I e i.. v 01 u me. Aft e r' 3 0 minut.e incubdt.'iofl with vor'texing dt. 5 minute int.er'vdls, liquid was t.r'ansrer'red to f"r'esh cenLr'ifuge t.ube and washed 2 times wit.h Ca/My Free DPBSG. 2.5 ml of Ca/My Iree DPBSG was add 12 d t. 0 t.i s sue mas s r' 12 m ai n i n 9 f r" 0 rn 12 Ij Z Y met. r' eat. III e r j t. • 1 h 12 :':>u:':>pension was vOI"texed lor' 5 minutes. WdSfled Ollce and combined wit.h other cel IS. Cell:':> were resuspended in 2 ml C a /1'1 g r r' e 12 D PBS G • Cell con c e n t r" a t. ion was de t e r' min e d. d, n d a 1 nli ~,arnpie waslayer'ed on per'col and separ'ated. The ot.her' 1 m 1 :':> a m pi e was c 12 n t. r'i I' u y e d to p e I I 12 l.. a Ij d r ' 12 sup 12 n dedi n 1 2 rn "I RPMl + 10l FCS. After percol t.reat.ment and washes, t.hat. sample was also resuspended In 12 ml RPMl + 10l PCS. A U her' e n c e C ul t. u r' e s w e [' e p [' epa I' e d: 1. ~2 rn 1 0 f peL' c 0 'I t. I' eat e d cell s we r' e di yi d ed, 6 well :':> at l u l l :3. 4 x lOt) cell s / ml x and 6 well:,:> dt 1.2 l0o cell s/ml. 12 1111 s~mp~e 01' untr'eated c 12 '11:':> we r' e i r j cub ate d. 6 weI 'I ::, at Full )'. 0 1 U cell:':> / m 'i and 6 wells at 3.5 cell s/ml £j Resul ts: ..................... _................... Cover' slips we [' e counted and r' e s ul t. s 'listed below. 6 Per' c 01 t r' 12 ate d cell s a t :3.4 x 10 con C 12 n t. r' a t.i 0 n a v 12 r' aye (i 19 cellS/field examined. Percol t.reaLed,cell :':>rat. 1/2 x () COl Ice n t. r" a t.i 0 n a v 12 r" age d Bee 'II s / Fi 12 'I d . )' • 0 l O u n s 12 p a [' a t. 12 d cells aver'aged 18 cells/Field. Tfle unt.redt.ed cells at 1/;~ concent.I"ation were counted at 11 cel'ls/window. Due to the siflli 'I ar'i t.y or r'esu'l t.s 0 r cell s sepdr'd,ted on Per'col and t.ilo~>G not t r' 12 ate d, i L was dec ide d not t 0 use Per' c 01 :' 12 P d r' d t i 0 n In f"ut.ure experiment.s. > .e. I.........! ...~. .~..~..P... ~...r..j.~..~Jl...h..... ~. /'1i ce : .............................. :3 u~ed. E!al b 9 [. 0 up ~ of 2 C51Bl/6. mi c e l n week 4 of l. ..f.Tl.a.,jgl·j n fee t i 0 n w e [. e 2 C~A treated Balb/c. and 2 untreated Ie. Pr'ocedur'e: ......................................... Lymph node~ were removed and pouled by type. Combined wei 9 h t s 0 1'1 Y rn P h node 9 [. 0 ups we r' e de tel" rnl r1 e d • E a C 11 L e ~ t gr'oup of 'lyrnph node~ wa~ yr'ounciill lU rn'l DPBSG and centrifuged to pellet. Each pellet was resuspended in 1 rnl of 1000 unit/rnl Collagena~e 1 fur every rny of lyrnph node weight. Cell s weI' e cui t u r' e d i 11 e n Z y f1l e sol u t i 0 n I' 0 I" 3 0 rni nut e san ci v 0 r" t e xed at 5 rni nut e i n t e [. v a'l ~ d u r"i n 9 tIle inCUbation. After' illcubation the ceil susperlsions wer·*..~ washed twice with Ca/Mg free DPBSG. Pellet wa~ re~u~pended i n 2 rnl RPM 1 + 1 0 l F C San d v 0 [. t e xed i 0 I' 5 rn i nut e s • 2 fill rn 0 roo ~.~ 01' RPMl + 10l FCS was added to each ~afllple. Ce'll~ wel'e , . . x 6 I rnl counted and each ~arnple wa~ dlluted to 2.0 10 cell s o . 9 5 rnl a l i qua t ~ 0 f s a rn pi e s we r' e t [. all s fer' I . e d t u p (. epa r' e d wei 1 ~I n cell cui t u [. e plate, c e n t ('i f u y e ci then 1 n cui) ate ci for' '2. 1/'2. Ilour·s. NOI,-adller'ent cell s wel'e wdsheci Ir'ofll sl ips. I~;. e rn 0.1 n '1 11 9 cell s we I'e r i xed to s l i p s u si I I 9 1 t.: P a [. 0. for' rn a'l d e h y ci e l. hen 1 F s t ai 11 e d • Results: Counts of total cell Un pI" 0 tee ted CsA pr'otected C5lBl/6 Gr'oup unp [. 0 t e c '" I nurnber' o r . . . . L... i!l.C: ..I,!.i:l ate d I ted I 4 E)a.,.. I .. i?Lc:........ J ... I I i??..lI?Lc. .........L... C~A L [. eat e ci 4 i n . ~16rnph 9.6 10 c· 6 t:i. 0 xl"u, node samples 3.g X 10( adher·ellt cell s I .... L. i n :2? .... I.Lel.. (;j...?..L.. I 5 I ................L I 1/ I ..J...... . . . . . . we I '1 s t:.§L.t.3.I"I§...L . . 63 I" 1.;:\+ I cells/I c eli s .. 1 fi.t:?10 ........ L 2U.Ol 0.2 35.2l .68 ............................. I/[:3.~Q/ . ...1 .......4... ~?:2.J Due to dn dccident. ollly one slip/sarnp'le could be d a to. s h 0 u'l d not b e c on si ci e r' e d ext [. e f1l el y [. eli a bl e • coullt.ed l'1i ce: . .. 9 I' used. Ualb/c. '2. ups of Illi c e i n week 5 C5/Bl!6, '2. unprotected 0 I I L • [11. i3j(l { or 1 11 fee t i 0 n w e [. e Balb/c, 2 CsA protected and Er·(?~.e.glJr· P r' e: c e d u r' e i den t suspensions w e r" e all + lOZ 0 FCS instead of 1 c a '1 t. 0 Ex. dil ute d to x 6 2.0 I0 JPT l~ was used except, ,x . 1' O' 6 eells/mi . ,. 2 .0 In t.he RPi11 . Results: . ............ _...................... . Count.s of t.otal cells 'in 2 lyrnpll r19Ge x Urlpr'otected Balb/c 5.0 lO CsA protected Balb/c = 2.7xlOI x CS/SL/6 2.2 I0' sarnple: Gr'oup n u rn b e r" 0 r wells I d d II e r' e r1 t c el '1 s . . . . . . . . . . . .. . . . ..J .... i.r~.c;.lJt:l?.Le. ci .... . . . ...............1 ......:1. rl.......'?:. ?I:.l e 1 cj s .....1 infectedl I 27 !:l.:.~)i:>.Lc;. ..J . . ........................1.: .................................................L . CsA I I t.r·eatecJ I 1 I 65 t301l?1~.J (;?ZE.lL.19J .................................. J ..................................... 1.. . . . . . . § / I cf~lls/ I cell s ....1. ..ri ..e... i.. d ........ L I I 6 6 • 7 X.I..l.~ .. :l,.. ...........L Z 1-3.+ 96.91: 2. 6 J ... 1........X~?tl ....... 1 ................... 1. .............................................. P.:i.. ~.g..':J....~...~j._<?.fl. .E'.F.Q..9._J. .~. f!1...~...... .:i..r.~. . . . g.~._'f~J.. Q..P.J. !.}..g..._....~.l.}. ~....... P.... r.::.g_ . ~..9_.c;:..g..J.. .:.. ' 1. Miss 2. Later L .r!l;;,tJ.o..r:· labeled solutions. studies suggest p r' 0 due eve r' y I n c 0 n t. r' olin 0 del ex p e ['i mer) t s. 0 mi g [) t r 0 t [) a v e 0 Balp/c mac r' 0 p [) age s • few p r' that c The 0'1 • been due low to mice infected These mice nurnbe[s of t h e l ow with used were ce'llsin r) u m be r' s 0 c el "I ~:> r available. 3. due a'll t 0 Insufficient 01 0 w r0 w e ci treatment con c e n t r' d t i [ ' i n cub a t i 0 0 nor n. of tissue e r) z y m e m .j g h t [) a v e 0 with collagenase, r " i n s u f f .j cj e n t c a use d the inc 0 ti fII e n s 'i s t e r1 t. [' e s u'l t s . 4. have E? V0 x pl ai n 12-14. Note 0 rn a c r the p hag e s t.r·ed,t.rnent. for 0 f [. wit.h 0 n s i r)'1 ate rOo of enzyme e x p e [ i men t s, treatment. rn i g h t This coul d rOo e s u'l t s • suggest.s allows that sus per) si homogeneity bet t e [' ci [.) e rOo e n t rn d c r t e xi n g improved Data d. [' p [1 that the age s rn protocol extraction 0 f consistent 0 the the t [) e l y rn p hoi d collager)dse. dnd rn u rOo i n e release used p or in Experiments selective 0 ~ 1 y rn p !) 'li tea'l relatively t i s sue Al though see III s on'l y t study 0 JPT or node s • large numbers bed e pen den t. coli dgenase 1 0 wa~:> n U 5 e di n might the r'i n a 1 produce de v el oped 5imilar con c e r 1 t. [. a t i 0 al " e a r"l i e r" 0 w e di n Not n s, enough rn a cr' 0 p tl age s the preliminary '1 eve', s 0 f Ia sh 0 ul d rn d C r' 0 a 1 '1 0 w phd g e s macrophage use d i n t'issue arld data f () [. a rn 0 in releasing 0 s. n g e [. la 0 the [. coIl a Q end 5 e u 5edi rl hi ghe r' t. ["' eat men t t. han the y lymph node expression t. [. e .j rl P hag e types w e [. e de p t h stu d y portion of n dj n and the vi t r' 0 f n s: h 0 we v e the other studies f' in bet wee rl T hi s mice. protocol 0 0 differences n u m b e r" susceptible leishmaniasis d con cl u s 'i significant fTl do C [. 0 and in d r" a wan y 0 nan d c Y tom e t e [. y eel 0 f suggests resistant role f '1 ow on coIl e c ted e x p r' e s s 'i leishmanidsis '1 toe 01, e x p e ['i rn e n t s • data was 0 re5ul t5 wi t. h and p [. " y mph p [. 0 t. 0 c 01 nod e diseases. The could be of '1 y al so III P h 0 'i d Thanks A -;per i ril th,l.nk [')rojpri': ~,l.I('re",C, and in YOlJl- put d he;,<,t you hoth to 0, 0 NAnry helped me teric:hing RehforOlJ7o in And so mAny you, othpr srienc:p .. Jay w;;ys .. YOll Thank-;