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  • Lymphocytes  (2)
  • Neuroimmunomodulation  (2)
  • Adherence  (1)
  • 1
    ISSN: 0167-0115
    Keywords: Adherence ; Inflammation ; Neuroimmunomodulation ; Phagocyte ; Sensory neuropeptide
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Medicine
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 1432-1440
    Keywords: Lymphocytes ; Subpopulations ; Chronic lymphocytic leukaemia ; Lymphocyten ; Subpopulationen ; Chronische Lymphadenose
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Zusammenfassung Zirkulierende Lymphocyten setzen sich aus funktionell heterogenen Zellen zusammen, welche mit morphologischen Methoden allein nur ungenügend differenziert werden können. Unter Verwendung immunologischer und autoradiographischer Methoden wurden Lymphocyten mit Determinanten leichter (kappa) Ketten, Lymphocyten mit Membranreceptoren für Immun-Komplement-Komplexe, lymphatische Zellen mit cytoplasmatischem Immunglobulingehalt und Lymphocyten in DNS-Synthese bestimmt. Gegenüber Normalpersonen waren bei Patienten mit chronischer Lymphadenose Abweichungen an mehreren dieser Lymphocytenpopulationen nachweisbar. Die Ergebnisse werden im Hinblick auf das Konzept thymus- und knochenmarkabhängiger Lymphocyten diskutiert, deren Differenzierung mit immunologischen Methoden erleichtert wird.
    Notes: Summary Circulating lymphocytes consist of a heterogenous cell population. Employing immunological and autoradiographic methods lymphocytes with Ig (kappa) determinants, those with membrane receptors for immune-complement complexes, lymphocytes containing Ig intracellularly and those in DNA synthesis were evaluated in normals and in patients with chronic lymphocytic leukaemia (CLL). The concept of functionally defective lymphocytes in CLL was further substantiated. The use of immunological markers for identifying thymus (T)- and bone marrow (B) derived human lymphocytes is discussed.
    Type of Medium: Electronic Resource
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  • 3
    ISSN: 1432-1440
    Keywords: Lymphocytes ; Lymphocytes ; Ig determinants ; subpopulations ; Hypogammaglobulinaemia ; Lymphocyten ; Lymphocyten-Ig-Determinanten ; Lymphocyten-Subpolulationen ; Hypogammaglobulinämien
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Zusammenfassung Unter Verwendung125I markierter monospezifischer Antiseren gegen menschlicheμ-,γ-,α-,κ-undλ-Ketten bestimmten wir den Prozentsatz Ig-tragender Blutlymphocyten bei Patienten mit primären und symptomatischen Hypogammaglobulinämien. Zwei Patienten mit geschlechtsgebundenen Hypogammaglobulinämien, 2 mit IgA-Defekten, 4 mit transitorischen Hypogammaglobulinämien und 13 mit symptomatischer. Hypogammaglobulinämien (7 multiple Myelome, 2 M. Waldenström und 4 chronische Lymphadenosen) wurden untersucht. Bei erwachsenen Kontrollen fanden wir im Mittelκ-Ketten an 18,5%,λ-Ketten an 2,8%,μ-Ketten an 12,1%,γ-Ketten an 10,5% undα-Ketten an 3,9% der Blutlymphocyten. Prinzipiell ähnliche Ergebnisse wurden bei gesunden Kindern, bei Patienten mit transitorischen Hypogammaglobulinämien und solchen mit IgA-Defekten erhalten. Im Gegensatz dazu fehlten Ig-tragende Lymphocyten in beiden Fällen mit geschlechtsgebundener Hypogammaglobulinämie weitgehend. Normale Werte wurden bei ihren Eltern und bei den untersuchten Geschwistern erhalten. Trotz einer deutlichen Verminderung zumindest eines der Serum-Ig fanden sich bei Patienten mit multiplen Myelomen normale oder lediglich leicht herabgesetzte Zahlen Ig-tragender Lymphocyten. Bei Kranken mit M. Waldenström waren IgM-tragende Lymphocyten stark vermehrt. Trotz verminderter Serum-Ig Spiegel waren die anderen Ig-Klassen an der Zelloberfläche in etwa normaler Häufigkeit nachzuweisen. Diese Diskrepanz war bei Patienten mit chronischer Lymphadenose besonders ausgeprägt, bei denen eine extreme Vermehrung Ig-tragender Lymphocyten mit normalen oder verminderten Serum-Ig-Spiegeln einherging. Die Ergebnisse werden im Hinblick auf eine Störung der B-Zellreifung diskutiert.
    Notes: Summary Using125I labelled monospecific antisera against human,μ-,γ-,α-,κ- andλ-chains we investigated the percntage of surface Ig-bearing lymphocytes in patients suffering from primary or acquired hypogammaglobulinaemias. Two patients with sex-linked hypogammalobulinaemia, 2 with IgA defects, 4 with transitory hypogammaglobulinaemia and 13 patients with secondary hypogammaglobulinaemia (7 with multiple myeloma, 2 with M. Waldenström, 4 with chronic lymphocytic leukaemia) were studied. In healthy adult controlsκ-chains were found in the average on 18.5%.λ-chains on 2.8%,μ-chains on 12.1%,γ-chains on 10.5% andα-chains on 3.9% of blood lymphocytes. Comparable results were obtained in children, in patients suffering from transitory hypogammaglobulinaemia and in those with IgA-defects. In contrast, lymphocytes bearing Ig-determinants were almost absent in both cases with sex-linked hypogammaglobulinaemia (normal values were obtained in both parents and the siblings investigated). In patients with multiple myeloma, despite a low level of at least one immunoglobulin in the serum, normal or only slightly reduced numbers of lymphocytes with Ig-determinants were observed. In patients with M. Waldenström IgM-bearing lymphocytes were markedly increased, but the other Ig classes were represented in normal numbers despite reduced serum levels. In patients with chronic lymphocytic leukaemia the disagreement between very high numbers of lymphocytes bearing at least L-chain determinants on their surfaces and the Ig serum levels was striking. The results are discussed in regard to a maturation defect of B-lymphocytes in hypogammaglobulinaemias.
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Springer
    Naunyn-Schmiedeberg's archives of pharmacology 343 (1991), S. 665-668 
    ISSN: 1432-1912
    Keywords: Interferon-alpha ; Thyreotropin ; Thyroxine ; Triiodothyronine ; Cortisol ; Neuroimmunomodulation
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Profound biological changes occur in patients treated with interferon. Observations of endocrine changes prompted us to examine the effects of subcutaneous alpha-interferon administration in single doses on circulating levels of thyroid stimulating hormone, total thyroxine, and total triiodothyronine in 10 volunteers (5 healthy subjects and 5 patients with hepatitis C). Blood samples were taken on an out-patient basis immediately before and 2, 12, 24, 48, and 72 h after administration of 1, 3, or 5 × 106 units of recombinant alpha-interferon. Application of the different dose levels was randomly assigned. Plasma samples were stored at −80°C; after collection of samples had been completed hormone levels were measured using commercially available test kits. At all time points before and after injection of alpha-interferon, standard deviations of measured hormone levels of healthy control subjects and patients overlapped to a considerable extent. At a dose level of 5 × 106 units, alpha-interferon significantly increased cortisol levels as described, and decreased the level of thyroid stimulating hormone in the group receiving alpha-interferon as compared to placebo-treated healthy volunteers. The effects occurred 12 h after injection. Maximum suppression of thyroid stimulating hormone levels was observed 24 h after injection, when serum levels of thyroxine and triiodothyronine also were significantly reduced. We conclude that subcutaneous alpha-interferon treatment with doses as low as 5 x 106 units affects the control of thyroid function.
    Type of Medium: Electronic Resource
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