From www.bloodjournal.org by guest on March 5, 2016. For personal use only. Induction Rabbits iii Human By T HE obtained thromboplastin factors. The related to the hypothesis thromboplastin be, I)rel)are is active Preparations. was capable certain between the a that VII blood showed tissue tissue works equally co-factors.5’#{176} It was the purpose of the and tissue thromboplastin results appear All biologic was prepared! tilis brain for use andl to reagents and! in 1)100(1 adlde(1 in 50 10 i)e sedlinlented Tile in tile and saline was eadl, washed thromi)oplastin were and the was previously at 20,000 generation test was able brain which active also dlifference factor prothrombin con- the absence to explore the immunologic of these relation- methods. statedl. crude and The as dlescribedi imidazol as sedlinlent silown,” leaving by reported was serum Pool aIld and Robinson5 a supernatant in the + a final clotting metilod total reagents volume could activity WitilOut to The Ca thromboplastic accordling from reagents elsewhere. suspended 1)100(1 performed and i)uffer. cephalin, serum, thromboplastin extracted was Plasma Aiton. with plasilla, Brain cephalin 7.2 resulting rpm, in phosphatide from As well madle to p11 with dierived product were requires optimal otherwise and Bell of brought end important for study unless Quick,1 method sedimented was saline. isotonic by associates2 the MATERIALS ongm, generation isotonic 1111. voluilles 1111. of human described! to prepared of AND tilromboplastin thromboplastin thromboplastin METHODS is such thromboplastic An . chain any Wilkinson3 from by dissimilarity. and! he thromboplastinase, activity, was present antigenic of as according dliiutedi Blood were stored nlateriai were illdicate of thromboplastin co-factors as of tissues nature Biggs that bacterial thromboplastic reviewed formation might intermediates factor vell of complex the and blood clotting activity conjecture. ) similar that plasma been a series what ( AHF is that view thromhoplastill Nour-Eldin ship blood has from of factor thromboplastin between and blood and thromboplastin Stuart platelets throml)o1)lastic results of and thromboplastins and to the transition that activity way thromboplastin formation, blood! of this matter tissue antihemophihc two given interaction of CINTRON thromboplastic has thrombopbastin, Gollub et al.4 of destroying against version; tile Preselitly Against H. JOSE contain accepted tissue may factor from AND (lerived from blood the end Prodilct suggested of blood v, cells extracts development relation to blood tissue generally that \\Thether chemically SPAE’r that historical It is now is preforme(l; reactions. H. Activity Thromboplastin from is formed Quick.1 by Blood ThEODORE CONCEPT to that of activity. in by use laboratory.” tiliS animals Experimental given originally weekly were New intraperitoneal 4 animals injections were so injected1, Zealand of but rabbits 2 ml. of following of about iluman the 3 in weight. thromboplastin second injection From the Department of Hematology, Laboratory Dicision, York, N. 1’. This study was supported by Grant #H2442 (C) of the National Institutes of Health, U.S.P.H.S. 772 Kg. blood Monteflorc heart These were suspension. 1 dljedi. Hospital. institute, Of the New National From www.bloodjournal.org by guest on March 5, 2016. For personal use only. ACTIVITY A(;AINsT HUMAN rcniaining 3, only 2 dleVeiope(l dlerive(i are fronl after llOte(l case four sera into an to Vohinle of factors” were equal to and 5 to injection. given an aii(l (k’scrii)cdl then to of adsOrl)edl flow incubation. aluminum with as prepared each obtained allowed hour first In were was a(lditional was be was sera blood similarly to 7 injections. Test The ear. Serum by that iflctii)ated! for was one tile also oi)taine(l citrate Ilour dialysedl equal to C., and 37 at for 24 hoiir. as the l)y isotonic that an(i starting sulfate isotonic \‘\Tart’ saiiile of tile barium a final clotting (lescribed one-fifth against in “Serum with tinles plasm:i, clissolvedi pl1Snla. sulfate, tilree adsorbed! was starting bariilfll waShed! sOdliunl from precipitate of with then cent sul)ernatant of PreciPitatioli The adsorption was 10 per was by Conley.11’ one-fiftil sulfate of The and serum bariuill suspension Tlw C. after last tile concentrated! Ratnoff from The centrifugation. 37 factors.” were of in a vOiunle serum. tile of data tilronlboplastin rabbits. obtained resuspended after centrifugation ‘sertini saline 1 at 1)100(1 appeared artery appropriate method buffered 1 week central the’ mdi against activity clotted factors” the Stragneil.1 testing tile clotting to activity nlaxinlal tile off after remove aIltithrolili)oplastili, i)efinite tube, control “Plasma according ilv glass untreated 011(1 for from drawn was hydroxidie9 froul obtainedi collected uncoate(l Serum significant but 773 TIIROMBOPLASTIN aninlals. injections, were blooti from tileSe BLOOD removed saline. RESULTS Following repeated Pldlstmn, rabbits untreated i-\%ro sera of the sera WileIl tion test. into each case, the plasma, It is evi(lent that effect their and serum reagellts, volumes from the the intervals considerably it the two certain how milCh )layed ill the with brain and serum of a role were As representing sera were ( Cutter ) . and tested in figure activity than the naturally tested were the the control normally in of occurring rabbits 12 against above and seconds. Equal reagent, and the plasma experimental sera were activity. sera presented i)e anticipated’2; some antiit is not tllromboplastin seen investigated the tile substrate by human control, inactivator in figure of sera thromboplastin against scra had the 2. incubation brain for clotting activity 3, tile experimental that evidently reagents. (lescribed activity of and antithromboplastic occurring volumes inhibitory, recaicified that mixture calcium. \Vhen rabbit plasma in place of human thromboplastin in their was the injected plasma against naturally initial inhibitory: as the genera- the human from of thromboplastic Equal similarly Mixtures sera the control activity mixed shown antithromboplastic the this loss thrombopbastin. plasma. with tested! experiments which would progressive not found in experimental before markedly controls. mixture 1)reI)tredl it is evident than were substrate was Again potent previous activity, the in 1)ut against thrombo- thromboplastin added were of incubated thromboplastin Anti-tissue rabbits blood reagent not effect of the tile was specific effect hufliall reagents, rabbits was mixture shown. more of serum recalcified were of the mixture tllronlboplastill clotted sera tilrombol)lastic in the l)lOod tilis the sera of the the generating injected activity that of test The tllrombin used of against 1 shows cephalin than activity 1)0th of test and injected clotting )rohahly ml. from iluman 50 iluman 0.1 2 demonstrates (hiute(l III generating greater :edimented at the sera anticoagulant Figure activity Figure serum the injections was strikingly reagents were sera ill(luce(! developed! controls. added In following intraperitoneal recaicified no greater inhibition present inhibitor.11 for antithromhin evaluated for clotting activity against activity with human plasma From www.bloodjournal.org by guest on March 5, 2016. For personal use only. 774 ANI) SPAET ( :IN’i RON 70 34 60 32 - 50 28 26 Q) ! 24 #{176} : 22 c, 20 I-_ K c::1 20 d p 0 -=------o C0- 8 5 0 INCUBATION TIME (minutes) INCUBATION 0 TIME (minutes) 32 30 28 26 24 22 20 0 K l6 TIME INCUBATION Fig. 1 (top, left).-Inhibition shaded area shows the effect 1111(1 B: Sera fF0111 experimental with human I)a and Fig. TGT of thromboplastin of 5 sera with a and from in incubated control the 1)otent Sera absence of antithrolnbin were tested! factors” concentrates. as follows The of mixture from human from human reagents; C: experimental Both brain control with rabbit thromboplastin rai)bits by rabbits The A Saline rabbits thromboplastin experlllleiltal sera. reagents. (A aild by (A rabbit Th and! sera. ; serum ( D). control activity, and for activity : Equal TGT human rabbit by on TCT Sera saline caiciumil. animals reagents. of sedimented human blood incubated with : Sera from experimental ( C ) ; saline control (D ) with: (C ); rabbit generation control b : Sera cephalin rabbit sera. Thromboplastin B ) ; serum fronl control rabbit Fig. 3 (at bottom). Inactivation Thromboplastin from rabbits reagents; serum, but human 2 (top, right).-Inactivation (minutes) experiniental nld no (lifferences against human volumes of test was incubated! sera at could! he “plasma were 37 mixed! C. sera control for had! detected. factors” with 15 or the minutes, ilighh’ “serum respective diluted From www.bloodjournal.org by guest on March 5, 2016. For personal use only. AGAINST ACTIVITY with 9 volumes the thromboplastin were unaffected HUMAN of BLOOD buffered saline, generation by incubation the showed experimental sera When mixture experimental containing hibition was against tile detected. Commercial human blood were plasma factors” as and inhibitor ) by reagent “serum lack X. Figure compared of activity 5 demonstrates to the controls, insignificant rabbit inhibitory generation serum the in factors” a thromboplastin that factor ( Ortho to the indicating possibly and likely or appropriate that sera, added reagent AHF to concentrate of the a slight, Coombs’ serum thromboplastin. Attempts any It is therefore “plasma used 4 shows Stuart factor or factor “plasma factors.” As sera human then Figure with PTC, on tile effect. and test. by the inhibitor against the effect of the sera 775 THROMBOPLASTIN reagent, inhibitor was no not in- active V. had no demonstrable activity ammonium sulfate fractionation against were unsuccessful. DISCUSSION Rabbits activity of given against untreated active only repeated this injections reagent control significantly animals. against of human human This greater induced blood blood thromboplastin than inhibitory thromboplastin; that found activity it had developed little in the appeared or no sera to be effect on 46 40 30 28 1J 20 15 L c%) 2 INCUBATION Fig. 4.-Activity following incubation control rabbit (C) of human ; with saline “serum : Sera control 6 4 TIME factors” from (D). experimental (minutes) in the thromboplastin (A and rabbits generation B) ; serum test from From www.bloodjournal.org by guest on March 5, 2016. For personal use only. 776 SPAEF AND CINTRON 25 c::120 B 15 .. 0.. Io . 4 2 - INCUBATION Fig. 5.-Activity of human following incubation control rabbit (C) human blood rabbit blood recent findings in sera of piastin. cross reaction demonstrated, prepared The different as by of by ether and appears the present activity’ typical activity appear between in their blood clotting accordingly suggested or clearance form that the two phosphatide protein moiety. ); test serum from and in tissue tissue or the an! and of of tissue between have thromboplastin et is but by suggest antibody, injec- the The latter inselective would been reagents. thus Differ- previously noted co-factors.5’6 not is rather are appears al. an “immunizing” pbasma does quite on properties. thromboplastin these two for \Vilkin- based Shirakura course little have obthromboand is demonstration specific absorption. requirement thromboplastin, thromboand fixation was absorbed by tile rabbits and forms of thromboplastin composition,16 each blood of different injected the activity injected, of Nour-Eldin those the with Japanese investigators use of a human blood a product or inhibitory complement specifically thromboplastin their agreement preparation during tissue and of blood Although similar study in reagent method against blood dissimilarity and the with to yield specificity, fixation activity of thromboplastin development of the inhibitors to reHect antigenic ences that here induced tions, species and reagent vestigators of complement generation B thromboplastin reported the inhibition could be precipitation of are who against During activity tissue data injections mainly method inhibitory shown active the present findings the present associates,’4 It is of interest to those reported principles The that reagent. similar thromboplastin ( A and rabbits human intramuscular were was evident. and inhibitory appropriate tamed data son.15 The and given sera in the experimental precursors, of Shirakura (minutes) (D). thromboplastin. rabbits factors” from thromboplastin The plastin ; “plasma with : Sera saline control 6 TIME represent a true probably to have tissue lipoproteins its own It is a storage product. with unique SUMMARY Rabbits two animals were injected developed with sedimented serum activity human against blood! human thromboplastin, blood thromboplastin and From www.bloodjournal.org by guest on March 5, 2016. For personal use only. ;CTIVITY ill AGAINST significant HU MAN excess activity was against ha(I and! TIIBOMBOPLASTI naturally over specific irecursors BLOOD no activity against tissue Conilios esseva tractate human. thromboplastina rentia I lb de (id de pro be reagente activitate dhsveloppava de nuile sedimentate iste illo non activitate thromboplastin thromboplastina un activitate significativemente inhibitori. human. antithromboplastic affect thromboplastin. dliSveIO)pava human to IN’rERLINcuA injectiolles allilnaleS sanguine natural specific con Duo iN This failed reagent, SuwuARIo sanguine inhibitor. occurring human 777 N in activitate afficeva contra de seral contra del excesso antithromboplastic precursores Ic occuresseva de thrombopbastina. tilromhol)lastma tissutab. REFERENCES 1. Quick, J.: A. Hemorrhagic Philadelphia, Biggs, 2 Lea R., lane, & i)ouglas, R. plastic 1953. :3. Nour-Eldin, Diseases. Febiger. A. S., and action G. : The substances. of J.Physiol. 9. Macfar- F., and ical J. F.: in of and 1’o din- H., lndl : Properties. 101:799, J.: air1 Proc.Soc.Exper.Biol.& Med. \V. Press, 1957. and Alton, N., is Pool, j. C., plasma ( AHG H. G. substitute for in the thromboplastin test. Nature ail(l Robinson, 174:880, Brit.J.Haenlat. 14. placc’ntal R.: Johns An prothrombin 1952. Garner, E. S.: in machunlan 34:1807, The toxin ins- method. 22:791, 1955. active principle Thromboplastin; : in the inactivator blood: Antithrom- 149:l23, Anl.J.Physiol. Slmirakura, ‘I’., amid1 gen- 1954. globulin 5:17, 1959. 16. 22:232, of F., jol. 1:32:164, and of its human and with properties. F.: bovine ether J.Phys- 1956. Spaet, pllosphatidles: J.Clin.Invest. Fine- J. \Vilkinson, of A. J., and idientification, tiSsue Acta thromboplastin t study kt between sero- 1959. SeI):ratiOfl and1 T., on tilronlbop!astin. Nour-Eldin, \larcus, Sakai, Studies (hiferentiation plasma platelet T., T. : I)lasnla issatol. 15. Hasegawa, Nlaekawa, logical dud1 brain : A J. : Assay antiliaenioplulic ). 1951. L.: of Bull. tilronlboplastin C. the fraction 89:245, J.Clin.Invest. Schneider, The in Stragnell, and of 1ll(’ it suspensions eration H., L.: 1947. R. and Alexander, B.: studies on Proconvertill dchdiellcy and the role of proconvertin. In Brinkhous, K. M., Ed. : pililia and Hemophiloid Dis’ases. Chapel Hill, University of North (‘xtract stage hoplastin. , 6. Goldstein, Further one T. C. globulin Hosp. and of Am. calcium plasma. C., A. Spaet, its 1959. Carolina \Vare, of Bloodi preparatioil a dieficient I)lOOdl. 16:48, Cintron, Its and of tivation 1:3. T. Conley, surface Am.J.Clin.Path. 2. alldl Fedl.Proc. thromn!)oplastin 8. 1956. and I)., Hopkins thromboplastin fundamental significance. J.: Black, human diagnosis disorders. 7:403, I)idteiet I 1. 1957. I Laboratory 0. of role 122:554, \Vilkinson, A., entities generation .t. Bell, Ratnoff, proved 1956. S., Ulin, Spaet, H.: throm!)oplastin coagulation 2:433, .1. Gollub, 5. 1. Pratt. 10. thrombo- The isolation of antihaemophilic globmilin from brain tissue. Brit.J.Haemat. new Spact, 1)100(1 1957. T. and 37: 1836, H. : Plateseparation, Their clotting 1958. activity. From www.bloodjournal.org by guest on March 5, 2016. For personal use only. 1960 15: 772-777 Induction in Rabbits of Activity Against Human Blood Thromboplastin THEODORE H. SPAET and JOSE R. 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