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DOI: 10.1055/s-0030-1255509
© Georg Thieme Verlag KG Stuttgart · New York
Das lymphatische Gewebe der Nase (NALT) und des Kehlkopfes (LALT) im Speziesvergleich: Mensch, Ratte, Maus
Publication History
Publication Date:
14 July 2010 (online)

Zusammenfassung
Bezüglich des Nasen- und Larynx-assoziierten lymphatischen Gewebes (NALT und LALT) bestehen deutliche Unterschiede zwischen Mensch, Ratte und Maus. Während bei Ratte und Maus NALT eine paarige Ansammlung von lymphatischem Gewebe in der Nase darstellt, sind beim Menschen einzelne schleimhautassoziierte Lymphfollikel in allen Bereichen der Nase zu finden. Zusätzlich besitzt der Mensch Tonsillen, die bei Ratte und Maus nicht existieren. Im Bereich des Kehlkopfes ist beim Menschen, nicht aber bei der Ratte LALT ausgebildet. NALT, Tonsillen und LALT haben unterschiedliche Altersgipfel in ihrer Größe und Funktionalität. Aufgrund dieser Unterschiede dürfen Daten von Nagerspezies nur sehr vorsichtig auf den Menschen übertragen werden. Der Begriff gemeinsames Schleimhautimmunsystem sollte durch den Begriff „integriertes” MALT ersetzt und die immunologischen Unterschiede zwischen Atem- und Verdauungstrakt stets berücksichtigt werden.
Abstract
Nose- and larynx associated lymphatic tissues (NALT and LALT) vary markedly between humans, rats and mice. NALT of rats and mice is formed by paired lymphoid aggregates in the nasal cavity, while it consists of individual mucosa associated lymphoid follicles throughout the nose in humans. In addition to NALT, tonsils are present in humans, but not in rats and mice. In the larynx, LALT can be found in humans, but not in rats. Size and functionality of NALT, tonsils and LALT vary with age. The extrapolation of data obtained from rodents to humans should be carefully evaluated due to these differences. The term common mucosal immune system should replaced by the term „integrated” MALT and the immunological differences between respiratory and digestive tract should always be considered.
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Prof. Dr. Reinhard Pabst
Institut für Immunmorphologie 4160
Medizinische
Hochschule Hannover
Carl-Neuberg-Str. 1
30625 Hannover
Email: pabst.reinhard@mh-hannover.de