From www.bloodjournal.org by guest on July 8, 2017. For personal use only. Immunofluorescent with Studies Antiserum to of a Human Murine (Rauseher By ANGELIKI IN 1963, FINK cence, showed reactive with Rauscher, and In cells studies with serum against reacted rabbit L. using the in muring of studies that the LEE technic leukemia Further with ROSNER, some murine by Fink, leukemic using plasma blood ( Rauscher) virus reacted specifically with leukemia.2’3 The present tissue against Malmgren, leukemic prepared murine immunofluorescontains antigen human humans with leukemic Rauscher Virus antisera leukemic of patients human Fium STANLEY demonstrated also addition, like particles from significant number AND antibody. Karon2 marrow antibody. BRENNER anti-viral and IoANNmss, MALMGREN,1 lymphoid tissue specific Orr bone AND that Leukemic Cells Strain) KATRAHOURA MARTIN Leukemic containing virus- leukocytes of a report describes fluorescein-tagged monkey anti- leukemia. MATERIALS METhODS AND Antiserum Antimurine leukemia serum prepared against the Rauscher u#{176}was made by immunizing rhesus monkeys against Balb/c mouse plasma containing Rauscher virus. The monkey antiserum was absorbed with Balb/c mouse erythrocytes and plasma until no further reaction was obtained with either of these. Fluorescein isothiocyanate conjugation of the antiserum was effected’ antiserum was was lyophilized restored and to solution of phosphate Materials then purified Rhodamine by stored at by addition buffered the saline labeled Sephadex 4 C. (pH and Prior bovine DEAE to use, albumin cellulose each of one miiiiliter smears were was added. filtration ampoule of of distilled and the lyophilized water The monkey final product material and four was milliliters 7.1). Tested Peripheral and and then chronic whose bone bone marrow blood and leukemia marrows bone marrow seen during were examinations the being examined were available study prepared period diagnostically. for study. from and In In all from three 31 54 some patients, with patients nonleukemic cases, two imprints acute patients to four of serial surgical From the Division of Hematology, Department of Medicine, Maimonides Medical Centet, Brooklyn, N. 1. First submitted April 21, 1967; accepted for publication Sept. 25, 1967. ANGELIXI KATRAHOURA IOANNIDES, M.D. : Fellow in Clinical Pathology, Maimonides Medical Center, Brooklyn, N. Y. FRED R05NER, M.D.: Assistant Director, Division of Hematology, Department of Medicine, Maimonides Medical Center, Brooklyn, N. Y. MAinniN BRENNER, B.A.: Third Year Student, State University of New York, College of Medicine, Buffalo, N. Y. STANLEY L. LEE, M.D.: Director, Division of Hematology, Maimonides Medical Center, Brooklyn, N. Y. #{176}Kindly supplied BLOOD, VOL. 31, by No. Dr. Mary 3 (MA.acu), Alexander 1968 Fink of the National Cancer Institute. 381 From www.bloodjournal.org by guest on July 8, 2017. For personal use only. 382 IOANNIDES or autopsy specimens were used only when of spleen, liven, the peripheral kidney white and blood bone marrow cell count were exceeded utilized. AL. ET Blood smears SO,000/mm3. Technic The smears in methyl alcohol for 15-20 minutes and found to be preferable to acetone for storing for prolonged periods of time ( weeks to months). After being brought to room temfor 30 minutes, the smears were refixed in acetone for 10 minutes. Then 0.05-0.1 cc. stored were air dried, at 4 C. until smears used. fixed Methyl immediately alcohol was perature of reconstituted fluorescent Rauscher antiserum glass tray to prevent evaporation and allowed hour. The excess phosphate buffered After air the Leitz drying for of the graded of for were off 20 minutes, not the made weak and the smears were at 20 C. for the slides smears were light source, as results were cytoplasmic moderate, added, were 45 covered with minutes to one washed a thoroughly in minutes. ( HB200 apple-green as strong, poured microscope smears intensity was 30-40 fluorescence mounts The antiserum was saline (pH 7.1) was to incubate recorded (and, or none. examined under ultraviolet light 2 and 4 mm. UC1 filters). Permanent when In most immediately present, after nuclear) instances the in examination. fluorescence predominant was fluorescence but its presence did not localization of the fluorescent stain smears were identified by code number only and were examined and interpreted independently by two observers. Random duplicate smears were tested with fluorescein labelled anti human globulin and in no instance was more than weak non specific fluorescent detected. cytoplasmic. follow Nuclear fluorescence any consistent pattern. has been ignored in the was For this analysis occasionally noted, reaosn the cytologic of these data. All RESULTS Acute Lymphoblastic Leukemia Twenty-four kemia sets were seven in all examined. of these instances patient at a time differences in from when count Bone and case Nine examined. sets Rauscher blood fluoresced strongly strongly. on three and Acute with not failed the cells were from was observed tested on one 1000,000/mm.3 marrow during and smears of four patients subsequent relapse. No observed during five the cases cells of chronic demonstrated of these patients, to fluoresce at a time peripheral occasions. blood of in remission three than lymphocytic strong cells when of during these. relapse. to fluoresce with leukemia fluorescence from cells blood cells of In one patient failed smears examined. from Rauscher In of intensely of cells blood exceeded leu- available the from buffy the bone another patient the cells from Rauscher were with coat of marrow fluoresced both bone antiserum. Leukemia available all. one The separate sets were at staining more In peripheral Twenty-seven was white lymphoblastic were Leukemia Myelogenous leukemia row of stained antiserum. marrow his smears from four patients, peripheral of acute aspirations blood Lymphocytic of cases marrow entirely of lymphoblasts. during complete remission4 Chronic In eleven bone Moderate or strong fluorescence for the cells of a single peripheral intensity one from Multiple patients. except consisted almost were examined Cells of smears Of from the eleven. antiserum; three cases twelve In five in the cells from fifteen patients of the remaining bone patients with studied patients six marrow the the acute myelogenous during life, cells reacted cells reacted demonstrating bone mar- strongly weakly complete or From www.bloodjournal.org by guest on July 8, 2017. For personal use only. IMMUNOFLUORESCENT Table OF STUDIES 1.-Immunofluorescence and Other LEUKEMIC CELLS 383 of Nucleated Cells from Patients with with Antibody Prepared Against Disorders Rauscher Murine Leukemia Leukemia Virus Iminunofloureecence Number of Specimens Relapse 6 13 6 12 1 1 Remission 9 11 9 11 0 0 Diagnosis (Acute ) (Lymphatic) (Leukemia) Total (Myelogenous) 24 11 23 15 23 7 8 Remission ) Total (Leukemia Positive ( Strong or Moderate) Patients Specimens 11 ) Relapse (Acute Results Number of Patients Negative ( Weak Negative) Patients Specimens 1 1#{176} 10 15t 4 4 1 1 3 3 15 27 7 9 11 18t 9 4 6* 2 3t 5 5 Chronic Lymphatic Leukemia 5 Plasma Cell Myeloma 7 7 2 2 Lymphoma 3 5 1 1 3 4 Carcinomatosis 7 7 3 3 4 4 6 6 5 5 1 1 2 2 2 2 0 0 2 2 2 2 0 0 28 29 4 4 24 25 Anemias Megaloblastic Idiopathic Thrombocytopenic Purpura Leukemoid Reaction Anemias of Diverse Origins #{176}Onespecimen of peripheral blood. tlncludes two samples of peripheral lncludes three samples of peripheral remission reacted of relapse. became weak made no However, the Rauscher antiserum. strongly. but liver other case Chronic one one one case did strongly. patient. post-mortem table ( Case instance, cells Rauscher obtained antiserum In three patients and their cells 9 imprints not. On ) cells from at the time during relapse imprints tested were against splenic imprints from this patient also stained the other hand, cells in splenic not react while cells in liver Cells in imprints from all imprints organs from tested the same from an- reacted weakly Leukemia patient was studied. Cells from his bone marrow antiserum. Myeloma Seven loma with to fluoresce. Rauscher Multiple corresponding Cells in lymph node and kidney cells did Granulocytic Only with failed in at the In from one fluoresced than reaction remission spleen fluoresced intensely, imprints patient differently a strong during from blood. blood. were fluorescence sets of bone examined. was marrow smears No reactions observed in the from occurred cells of seven patients with multiple in the cells of four patients. one case, the reaction was myeWeak weak From www.bloodjournal.org by guest on July 8, 2017. For personal use only. 384 IOANNIDES to moderate in the moderate intensity their was cells of another of staining. noted Miscellaneous with case, In the nonspecific and the latter cells three of another case weak fluorescence cases, anti-human AL. showed of globulin. Conditions Bone marrow smears Weak fluorescence studied. bone cells El’ marrows of from seven patients of cells the was with iron detected other six patients from five patients deficiency in one failed anemia were Cells in the instance. to react with Rauscher antiserum. Bone marrow smears studied. In four cells. Cells from instances, moderate bone marrow smears Five sets of lymphoma were smears studied. did not fluoresce. weak to moderate another case Cells secondary from tients idiopathic three out of are stained four indicated carcinoma smears case did were in the patients of these with cases in one case reacted not react and cells two patients respectively with and purpura fluoresced were moderately weakly or patients failed to fluoresce on bone marrow marrow in one thrombocytopenic three reacted bone Cells anemia were observed to fluoresce. aspirates from three node imprints in two smears from and infection metastatic from cells megaloblastic with from weakly. bone marrow to hemorrhage with smears the bone marrow Cells in lymph Cells from intensity. fluoresced with patients of with to strong reactions in one case failed or not at with when smears 1. bone marrow Cells but cirrhosis from and from four Seven bone in the four bone marrow from Rauscher patients reactions other pa- strongly. Cells strongly all. treated with in additional in Table studied. leukemoid from two marrow other patients smears from patients with antiserum. Results with miscellaneous uremia obtained conditions DIscussIoN Cells from from consecutive reactivity nic of patients in whom bone Since selection of lymphoblastic leukemia marrow leukemia reacted of only half demonstrated. all the work leukemia from liver, chronic aspirates in were this latter comparisons The bone and strongly and and kidney of four with available group tissues the failed been other imprints were tested between marrow out of five Rauscher the similarly studied. and non-leukemic all patients with patients with chronic In the techcondi- ( although unavoidable leukemic cells of antiserum. for bone paacute lymphatic marrow cells could such reactions he of the fact that in nearly agents, the type of leu- lymphocytic. than peripheral to spleen were was patients with granulocytic leukemia These findings are interesting in view on transmission of leukemia by filterable has and leukemias the involved Human acute ( Rauscher) vrius antibody employing Patients with various non-hematological patients without bias ), statistical tients were not attempted. Cells with to murine leukemia immunofluorescence. lions kemia aspirates fluoresce bone blood marrow from with aspirates a Rauscher patient produced erratic with acute antiserum at results. lymphoblastic a time when From www.bloodjournal.org by guest on July 8, 2017. For personal use only. IMMUNOFLUORESCENT the cells of the findings bone occurred prints marrow in obtained acute node in another spleen one patient leukemia lymph and same patient with ( spleen and not fluoresced chronic various from in one case; show strongly. lymphocytic organs liver in another did 385 CELLS from spleen case LEUKEMIC of the post-mortem myelogenous row, OF STUDIES Im- patients with kidney, kidney, consistent leukemia. three case; liver, Similar bone fluorescence bone mar- marrow and with Rauscher antiserum. Since bone dividuals marrow tested certainly nic cence Recent not in bone two or represent situation to find The present an antigen experimental with one of the Bone marrow cells harboring results causative from strongly four with be due the out of such antigen individuals-that Rauscher specific to erythropoietic suggestion is the scher, fact that picture very immunofluorescent Orr and Karon2’3 one of the of five marked may hematological the strongest for nonleukemic for leukemia. patients requires indicate human viruses at least in some clinical disease for leukemia, and patients with It has erythroid it would yet free Rauscher in the produces in bone marrow this marrows an antibody to viral. In support in mice cells anemias that bone to human erythroleukemia. reactions reported by Fink, occurred be shares virus suggested6 activity virus not of leukemia. megaloblastic been antiserum may contain cells but not necessarily similar intech- That fluoresexplanation. that present antiserum. finding this hold of immunofluorescent would fit this model if Rauscher agents of human leukemia. Rauscher to test simultaneously should persons third the in animals be must surprising fluoresced leukemias viruses one antiserum, a diagnostic of nonleukemic cells of viral more approximately Rauscher marrow If this develop. from with investigations cases to does occurs cells reacted a clinical an of and Furthermore, Malmgren, Rau- of patients with eryth- roleukemia. The present marrow bone and marrow tients studied. activity A viral gators79 Certain There etiology for human since the earliest Ellerman by although were a recent a variant tissues extended shown prepared a viral this thesis, correlation however. between leukemia has description and Bang in 1908.10 Gross in 195111 and this report by between against etiology describes the and same human marine rats the and ( Rauscher) leukemia virus also be caused is etiologically and, subsequently, some viral virus. patients These virus.2” suggest by viruses.9 related to a that lympho- monkeys.’2 detected Rauscher the pa- was first confirmed.8 of Burkitt’s into to the many investiof avian leu- leukemia subsequently with leukemia regard in all postulated by viral etiology leukemia, from bone of erythroid with but transmission tissue and amount only anemias Malmgren,1 investigators Differential the A murine work was infected leukemic of human been of the lymphoblastic Fink of mice not cattle leukemias may that human leukemia of human immunofluorescence, By confirm any the degree of immunofluorescence, cells of patients with megaloblastic probably leukemic late not forms of dog, cat and is as yet no direct proof virus was do to show ever kemia by demonstrated ma, studies failed counts antigenic antigen These in studies cross reactivity and antiserum authors postu- similarities From www.bloodjournal.org by guest on July 8, 2017. For personal use only. 386 IOANNIDES occur among The present viral strains of leukemia studies confirm etiology of human equally strong blastic tested leukemia by serial body does state whether marrow that indicate with Rauscher, ( type unspecified “leukemia virus” antibody marrow cells findings reactivity the stage with Malmgren leukemia present findings a possible to indicate with acute that lympho- in remission or in relapse Karon, Rauscher, Malmgren in other leukemias with the anti-Rauscher (other virus as than anti- of the disease.” These preliminary findings. On the other hand, our and in whereas for seem of patients such patients are aspirations. Fink, agreement in The “preliminary that the correlate are Karon, in bone occur bone not servations leukemia. reactions and On3 also erythroleukemia) virus infecting various species. the work of others3 in the search AL. ET ohFink, own Orr3 found that 79 percent of cases of acute relapse fluoresced strongly with antihuman this occurred in only 25 percent of patients ) in remission. SUMMARY Cells from from patients hematological ( Rauscher) cells bone marrow with leukemia disorders virus antibody of all eleven five patients aspirates and were tested using the patients with chronic lymphatic with and other acute liver, kidney for reactivity technique of with murine immunofluorescence. lymphoblastic leukemia leukemia reacted 15 patients with myelogenous leukemia and the 47 with miscellaneous disorders ( Table SUMMARIO IN Cellulas ab aspiratos de medulla ossee con leucemia e con altere non-leucemic testate pro reactivitate con anticorpore utilisation del techncia immunofluorescentic. acute leucemia lymphatic circa lymphoblastic reageva un poteva four In approximately 1 ) non- leukemia The and strongly. imprints and only out of six of one-third strong was of immuno- demonstrated. fluorescence con spleen hematological the patients and nonleukemic tertio esser e fortemente. de 47 In de solo patientes con INTERLINGUA e impriniitas de hepate, ren, e splen ab disordines hematologic e non-hematologic anti virus de leucemia munin (Rauscher) Le cellulas de omne le dece-un patientes esseva quatro leucemia sex del del cinque 15 patientes miscellanee disordines patientes con con leucemia un forte chronic myelogene con le patientes e in inimunofluorescentia demonstrate. ACKNOWLEDGMENTS The authors Institute by for Mrs. are very her Frances much and advice indebted to Dr. Mary Alexander Fink encouragement. Secretarial assistance of the National Cancer was kindly contributed Rose. REFERENCES 1. Fink, Fluorescent antigen in J. Nat. Cancer 2. Fink, scher, F. Application study Inst. a M. J., of human 33:581-588, of and M. A., antibody R. A.: the viral leukemia ( Rauscher). 31: 1111-1121, 1963. studies murune Inst. A., Orr, Malmgren, of Mahngren, H. C., R. and immunofluorescence leukemia. 1964. A., Rau- Karon, J. Nat. to M.: the Cancer 3. Fink, M. A., Karon, M., Rauscher, F. J., Malmgren, R. A., and Orr, H. C.: Further observations on the immunofluorescence of cells in human leukemia. Cancer 18:13171321, 1965. 4. Bisel, H. F.: Criteria for the evaluation of response to treatment in acute leukemia. Blood 11:676-677, 1956. 5. Gross, L.: The Rauscher virus: A mix- From www.bloodjournal.org by guest on July 8, 2017. For personal use only. IMMUNOFLUORESCENT STUDIES OF LEUKEMIC ture of the friend virus and of the mouse leukemia virus? (Gross) Acts Haemat. 35: 200-213, 1966. 6. Fink, M. A.: Personal Communication. 7. Finch, S. C. : Transmission of leukemia. In Progress in Hematology (L. M. Tocantis, ed). New York, Grune & Stratton, 1959, Vol. 2, pp. 192-205. 8. Bryan, W. R., Moloney, J. B., O’Connor, T. E., Fink, M. A., and Dalton, A. J.: Viral etiology of leukemia. Combined clinical staff conference at The National Institutes of Health. Ann. mt. Med. 62:376-399, 1965. and 9. Gross, L.: lymphomas. Viral etiology of Editorial. Blood leukemia 25:377- 387 CELLS 381, 1965. 10. Ellerman, mentelle teriol. 11. developing V., and Leukemie bei Parasit. 46:595-609, Gross, L.: in the Bang, 0.: Centr. Huhnern. 1908. “Spontaneous” C3H ExperiBak- mice leukemia following inocu- lation, in infancy, with AK leukemic extracts, or AK embryos. Proc. Soc. Exper. Biol. & Med. 76:27-32, 1951. 12. Epstein, M. A., Woodall, J. P., and Thomson, A. D.: Lymphoblastic in bone-marrow of african green (Cercopithecus Aethiops) inoculated opsy material from a child with lymphoma. Lancet 2:288-290, 1964. lymphoma monkeys with biBurkitt’s From www.bloodjournal.org by guest on July 8, 2017. For personal use only. 1968 31: 381-387 Immunofluorescent Studies of Human Leukemic Cells with Antiserum to a Murine Leukemic Virus (Rauscher Strain) ANGELIKI KATRAHOURA IOANNIDES, FRED ROSNER, MARTIN BRENNER and STANLEY L. 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