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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Journal of molecular medicine 65 (1987), S. 681-684 
    ISSN: 1432-1440
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Zusammenfassung 15 Patienten (36–71 Jahre) mit histologisch gesicherter Haarzelleukämie wurden mit einer niedrigdosierten IFN-α-Therapie behandelt. Die Patienten erhielten im ersten Behandlungsmonat täglich subcutan 1 Mio. I.E. IFN-α-2b, danach nur noch sucutan 3 × 1 Mio. I.E. pro Woche. Zwei der 15 Patienten waren bereits vor der IFN-Therapie chemotherapiert, 5 splenektomiert. Sämtliche Patienten wiesen eine behandlungsbedürftige Leukopenie, Thrombozytopenie oder Anämie auf. Die Therapie konnte problemlos durchgeführt werden. Nur 2 Patienten litten unter leichtem Fieber nach der ersten IFN-Gabe, ein Patient entwikkelte nach zwei Monaten Müdigkeit und Apathie geringen Ausmaßes. Von 15 auswertbaren Patienten zeigten zwei nach 9–18 Monaten Therapie eine komplette Remission mit Normalisierung des Knochenmarkes und der peripheren Blutbildparameter. Bei zehn Patienten konnte eine partielle Remission, bei einem Patienten eine minimale Remission nur mit Normalisierung der Thrombozyten erreicht werden. Zwei Patienten verbesserten sich unter einer dreimonatigen IFN-Therapie nicht: sie erhalten gegenwärtig 5 Mio. I.E. IFN-α dreimal pro Woche. Die Ergebnisse zeigen trotz der kleinen Zahl bisher behandelten Patienten, daß die IFN-Therapie auch niedrigdosiert bei der Haarzelleukämie wirksam ist.
    Notes: Summary Fifteen patients (36–71 years old) with histologically proven hairy-cell leukemia were treated with a low dose of IFN-α. The treatment consisted of 1 million I.U. given daily subcutaneously. After 1 month the dose was reduced in all patients 1 million I.U. thrice weekly. Four of the 15 patients have been splenectomized, with two patients receiving chemotherapy prior to the IFN treatment. All patients exhibited at least one cytopenia. The IFN treatment was well tolerated. Only two of the 15 patients experienced mild fever after the first injection, one patient had apathia and mild somnolence after 2 months of therapy. At present 15 patients can be evaluated: 6–18 months after start of therapy two patients showed a complete response with normalization of both peripheral blood and bone marrow, 10 patients experienced a partial response, while one patient showed a slight response with improvement of the thrombocyte count only. Two patients showed no improvement after 3 months of therapy; these patients are presently being treated with 5 million I.U. IFN-α thrice weekly. In spite of the low number of patients these data strongly indicate that IFN-α-2 is effective in hairy-cell leukemia at this low dose.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    s.l. : American Chemical Society
    The @journal of physical chemistry 〈Washington, DC〉 33 (1929), S. 95-98 
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology , Physics
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Amsterdam : Elsevier
    Tetrahedron Letters 9 (1968), S. 715-718 
    ISSN: 0040-4039
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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  • 4
    ISSN: 1432-2307
    Keywords: Chronic myelogenous leukaemia ; Philadelphia chromosome ; FISH ; Megakaryocyte
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Histological examination of bone marrow biopsies shows that about one-third of chronic myeloid leukaemia (CML) patients exhibit an increase of megakaryocytes. The megakaryocytic predominance may be so striking that differentiation from other chronic myeloproliferative disorders (CMPD) may be difficult in some CML patients. Megakaryocytes in CML are clonal as demonstrated by loss of glucose-6-phosphate dehydrogenase isoenzymes. The Ph translocation, fusing the abl and bcr genes on chromosomes 9 and 22, however, obviously occurs as a second step in tumour development. So far, the Ph translocation has not been assigned explicitly to megakaryocytes. The question is whether the megakaryocytic cell lineage could harbour the bcr/abl fusion in those CML cases with striking proliferation of megakaryocytes but lack this genetic defect in cases with normal or decreased megakaryocyte counts. We therefore performed triple-colour fluorescence in situ hybridization (FISH) for portions of the bcr and abl genes flanking the breakpoint in CML in paraffin sections of CML cases with normal and with increased numbers of megakaryocytes. This method allows identification of the bcr/abl fusion in single, morphologically intact cells, whereas conventional cytogenetics requires lysis and thus destruction of the cell. Among the 21 CML patients examined by FISH, 10 were informative for bcr and abl genes and displayed distinct hybridization signals within nuclei of bone marrow cells. Besides the granulopoietic cells, megakaryocytes of all those patients (4 without and 6 with varying grades of megakaryocytic increase) displayed bcr/abl fusion signals indiciative of a Ph translocation. The lack of hybridization signals in the remaining 11 cases indicates that this technique is not of value diagnostically and should be reserved for scientific questions. Positive controls consisted of conventional chromosome preparations from bone marrow aspirates demonstrating the Ph chromosome in all patients examined, and negative controls of paraffin sections of bone marrow biopsies from non-CML patients. These showed no fusion signals in bone marrow cells, including megakaryocytes, using FISH. Our results demonstrate clearly that not only the transforming event but also the Ph translocation leading to the bcr/abl fusion happens prior to the differentiation of the pluripotent stem cell into different myeloid lineages. The megakaryocytic proliferation evident in some CML cases is probably a consequence of the disease progress.
    Type of Medium: Electronic Resource
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  • 5
    ISSN: 1432-0584
    Keywords: BMT ; Recombinant human erythropoietin ; Regeneration of erythropoiesis ; Erythrocyte transfusion
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary The hematologic effects of recombinant human erythropoietin after allogeneic bone marrow transplantation (BMT) were studied. Nineteen patients received 150 U/kg/day of C127 mouse-cell-derived recombinant human erythropoietin (rHu EPO) as a daily continuous intravenous infusion until hematocrit exceeded 35%. These data were compared with a treatment-matched historical control group of 43 patients. RHu EPO-treated patients recovered erythropoiesis more rapidly and became independent from erythrocyte transfusions after a median of 17 days, which was 7 days earlier than the control patients.
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    Springer
    Annals of hematology 72 (1996), S. 83-84 
    ISSN: 1432-0584
    Keywords: Shwachman ; Diamond syndrome ; Allogeneic bone marrow transplantation ; Myelodysplastic syndrome ; Acute myeloid leukemia
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Shwachman-Diamond syndrome (SDS) is a rare inherited disorder involving concomitant neutropenia and exocrine pancreatic insufficiency. About 25% of patients develop hematopoiesic malignancies. We describe a 24-year-old male patient with SDS who underwent allogeneic bone marrow transplantation (BMT) because of progression into acute myeloid leukemia (AML) following myelodysplastic syndrome (MDS). The BMT preparative regimen consisted of busulfan (16 mg/kg body wt.), followed by cyclophosphamide (120 mg/kg). Cyclosporin A and short methotrexate were used for graft-versus-host disease (GvHD) prophylaxis. The post-transplant period was complicated by staphylococcal septicemia, CMV infection, renal insufficiency, and acute GvHD grade III. Hematological recovery was delayed (post-transplant day +55). The patient was discharged at day +68 in complete remission without any evidence of MDS. RFLP fingerprint analysis showed complete engraftment of the donor's hematopoiesis. The patient's leukemia relapsed 9 months post-transplant, and death followed due to CMV infection and multiorgan failure. Despite the fatal course in this patient, allogeneic BMT could be an option for curative treatment of the hematopoietic failure in SDS. The interaction of BMT with pancreatic insufficiency still has to be ascertained.
    Type of Medium: Electronic Resource
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  • 7
    Electronic Resource
    Electronic Resource
    Springer
    Annals of hematology 72 (1996), S. 83-84 
    ISSN: 1432-0584
    Keywords: Key words Shwachman-Diamond syndrome ; Allogeneic bone marrow transplantation ; Myelodysplastic syndrome ; Acute myeloid leukemia
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract  Shwachman-Diamond syndrome (SDS) is a rare inherited disorder involving concomitant neutropenia and exocrine pancreatic insufficiency. About 25% of patients develop hematopoietic malignancies. We describe a 24-year-old male patient with SDS who underwent allogeneic bone marrow transplantation (BMT) because of progression into acute myeloid leukemia (AML) following myelodysplastic syndrome (MDS). The BMT preparative regimen consisted of busulfan (16 mg/kg body wt.), followed by cyclophosphamide (120 mg/kg). Cyclosporin A and short methotrexate were used for graft-versus-host disease (GvHD) prophylaxis. The post-transplant period was complicated by staphylococcal septicemia, CMV infection, renal insufficiency, and acute GvHD grade III. Hematological recovery was delayed (post-transplant day +55). The patient was discharged at day +68 in complete remission without any evidence of MDS. RFLP fingerprint analysis showed complete engraftment of the donor's hematopoiesis. The patient's leukemia relapsed 9 months post-transplant, and death followed due to CMV infection and multiorgan failure. Despite the fatal course in this patient, allogeneic BMT could be an option for curative treatment of the hematopoietic failure in SDS. The interaction of BMT with pancreatic insufficiency still has to be ascertained.
    Type of Medium: Electronic Resource
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  • 8
    Electronic Resource
    Electronic Resource
    Springer
    Microchimica acta 56 (1968), S. 975-978 
    ISSN: 1436-5073
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Summary A concurrent microanalytical determination of fluorine and chlorine (bromine or iodine) in organic compounds is described. The sample is burned in a quartz flask filled with oxygen with addition of a 2–5 fold quantity of paraffin. After adsorption, the fluoride is titrated with 0.01N thorine solution in the presence of a mixed indicator consisting of alizarine S and méthylène blue (or China blue). Chloride, bromide or iodide is determined subsequently with 0.01N silver nitrate solution by a potentiometric method.
    Notes: Zusammenfassung Eine gleichzeitige mikroanalytische Bestimmung des Fluors und Chlors (Broms oder Jods) in organischen Verbindungen wurde beschrieben. Die Substanz wird in einem sauerstoffgefüllten Quarzkolben unter Zusatz der zwei- bis fünffachen Menge Paraffin verbrannt. Nach Absorption wird das Fluorid mit 0,01-n Thorinlösung gegen einen Mischindikator aus Alizarin S und Methylenblau (oder Chinablau) titriert. Chlorid, Bromid oder Jodid werden anschließend mit 0,01-n Silbernitratlösung potentiometrisch bestimmt.
    Type of Medium: Electronic Resource
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