Zusammenfassung
Im Epithel von Tränensack und Tränennasengang kommen außer Basalzellen und hochprismatischen Epithelzellen in großer Menge Becherzellen vor. Ein Hauptsektretionsprodukt der Epithelzellen sind Muzine und TFF-Peptide. Untersuchungen zeigen im Epithel von Tränensack und Tränennasengang, dass die Muzine MUC2, MUC5AC und MUC5B zusammen mit TFF1 von Becherzellen und intraepithelialen Drüsen gebildet werden. Das Muzin MUC7 wird zusammen mit TFF3 von hochprismatischen Epithelzellen gebildet. Bei Patienten mit funktioneller Dakryostenose kommt es zu einer Herabregulation sekretorischer Muzine. Der Nachweis eines breiten Muzinspektrums im Epithel der ableitenden Tränenwege und die Herabregulation sekretorischer Muzine bei der funktionellen Dakryostenose, die mit Epiphora einhergeht, stützt die Annahme, dass Muzine einen wichtigen Faktor für den Tränentransport darstellen. Störungen im Gleichgewicht einzelner Muzine können für die Ausbildung von Dakryostenosen, Dakryozystitiden und Dakryolithen von Bedeutung sein. Die Ergebnisse eröffnen bisher bestehenden Therapiekonzepten bei Erkrankungen des Tränenableitungssystems neue Perspektiven.
Abstract
The epithelial lining of the lacrimal sac and the nasolacrimal duct consists of pseudo-stratified, columnar epithelia rich in goblet cells. Major secretory products of the epithelial cells are mucins together with TFF peptides. Expression and distribution of several mucins and TFF peptides in the human efferent tear ducts was investigated by means of reverse transcription-polymerase chain reaction (RT-PCR) and immunohistochemistry. mRNAs for all the mucins investigated, MUC1, MUC2, MUC4, MUC5AC, MUC5B and MUC7, were detected in healthy human lacrimal sacs and nasolacrimal ducts. Both MUC5AC and MUC5B were detected in goblet cells forming intraepithelial mucous glands. MUC7 together with TFF3 occurred only in columnar epithelial cells of the efferent tear duct system. The mucin diversity of the efferent tear ducts could enhance tear transport and antimicrobial defense. The absence of some mucins in non-functioning although patent segments of the lacrimal passage, suggests that mucins ease tear flow through the efferent tear ducts because these conditions are associated with epiphora. Disorders in the balance of single mucins could be of importance with regard to dacryostenosis, dacryocystitis and dacryolith formation.
Literatur
Arlt v F (1855) Über den Thränenschlauch. Arch Ophthalmol I:135–160
Baughan LW, Robertello FJ, Sarrett DC et al. (2000) Salivary mucin as related to oral Streptococcus mutans in elderly people. Oral Microbiol Immunol 15:10–14
Becker BB (1992) Tricompartment model of the lacrimal pump mechanism. Ophthalmology 99:7
Brockhausen I (1999) Pathways of O-glycan biosynthesis in cancer cells. Biochem Biophys Acta 1473:67–95
Bumm P, Schauer R (1982) Zur Bedeutung menschlicher Speichel- und Schleimhautmuzine im Bereich der oberen Luft- und Speisewege. HNO 30:414–419
Chavis RM, Welham RAN, Maisey MN (1978) Quantitative lacrimal scintillography. Arch Ophthalmol 96:2066–2068
Corfield AP, Carrington SD, Hicks SJ et al. (1997) Ocular mucins: purification, metabolism and functions. Prog Retin Eye Res 16:627–656
Corfield T (1992) Bacterial sialidases—roles in pathogenicity and nutrition. Glycobiology 2:509–521
Dekker J, Rossen JWA, Büller HA, Einerhand AWC (2002) The MUC familiy: an obituary. Trends Biochem Sci 27:126–131
Doane MG (1981) Blinking and the mechanics of the lacrimal drainage system. Ophthalmology 88:844–851
Frieberg T (1917) Über die Mechanik der Tränenableitung. Z Augenheilkd 37:42–66, 211–243, 324–366
Hicks SJ, Theodoropoulos G, Carrington SD, Corfield AP (2000) The role of mucins in host-parasite interactions. Part I—protozoan parasites 16:476–481
Hill JC, Bethell W, Smirmaul HJ (1974) Lacrimal drainage—a dynamic evaluation. Can J Ophthalmol 9:411–416
Hoffmann W, Jagla W (2002) Cell type specific expression of secretory TFF-peptides: colocalization with mucins and synthesis in the brain. Internat Rev Cytol 213:147–181
Hoffmann W, Jagla W, Wiede A (2001) Molecular medicine of TFF-peptides: from gut to brain. Histol Histopathol 16:319–334
Hurwitz JJ (1996) The nasolacrimal apparatus. In: Hurwitz JJ (ed) The lacrimal system, chapter 4. Lippincott-Raven, Philadelphia, pp 23–29
Jagla W, Wiede A, Hinz M et al. (1999) Secretion of TFF-peptides by human salivary glands. Cell Tissue Res 298:161–166
Jones LT (1957) Epiphora II. Its relation of the anatomic structures and surgery of the medial cantal region. Am J Ophthalmol 43:203–212
Jones LT (1958) Practical fundamental anatomy and physiology of the eye. Trans Am Acad Ophthalmol Otolaryngol 62:669–678
Kim YD, Jeon JY, Woo HJ et al. (2002) Interleukin-1beta induces MUC2 gene expression and mucin secretion via activation of PKC-MEK/ERK, and PI3 K in human airway epithelial cells. J Korean Med Sci 17:765–771
Knop E, Knop N (2001) Lacrimal drainage-associated lymphoid tissue (LDALT): a part of the human mucosal immune system. Invest Ophthalmol Vis Sci 42:566–574
Langer G, Jagla W, Behrens-Baumann W et al. (1999) Secretory peptides TFF1 and TFF3 synthesized in human conjunctival goblet cells. Invest Ophthalmol Vis Sci 40:2220–2224
Langer G, Walter S, Behrens-Baumann W, Hoffmann W (2001) TFF-Peptide: neue Mukus-assoziierte Sekretionsprodukte der Konjunktiva. Ophthalmologe 98:976–979
Lee HW, Ahn DH, Crawley SC et al. (2002) Phorbol 12-myristate 13-acetate up-regulates the transcription of MUC2 intestinal mucin via Ras, ERK, and NF-kappa B. J Biol Chem 277:32624–32631
Lin J, Tsuprun V, Kawano H et al. (2001) Characterization of mucins in human middle ear and Eustachian tube. Am J Physiol Lung Cell Mol Physiol 280:L1157–L1167
Liu B, Rayment SA, Gyurko C et al. (2000) The recombinant N-terminal region of human salivary mucin MG2 (MUC7) contains a binding domain for oral Streptococci and exhibits candidacidal activity. Biochem J 345:557–564
Murube del Castillo J (1978) On gravity as one of the impelling forces of lacrimal flow. Asahi Evening News 20th January, pp 51–59
Nagashima K, Araki K (1963) On the lacrimal part of the orbicularis oculi muscle with special reference to the sac dilators. Jap J Ophthalmol 7:220–225
Nielsen PA, Mandel U, Therkildsen MH, Clausen H (1996) Differential expression of human high-molecular-weight salivary mucin (MG1) and low-molecular-weight salivary mucin (MG2). J Dent Res 75:1820–1826
Nielsen PA, Bennett EP, Wandall HH et al. (1997) Identification of a major human high molecular weight salivary mucin (MG1) as tracheobronchial mucin MUC5B. Glycobiology 7:413–419
Nik NA, Hurwitz JJ, Chin Sang H (1984) The mechanism of tear flow after DCR and Jones' tube surgery. Arch Ophthalmol 102:1643–1649
Paulsen F (2002) Schleim—Mucus. Muzine auf dem Gebiet der Hals-, Nasen-, Ohren-Heilkunde. HNO 50:209–219
Paulsen F, Corfield A, Hinz M et al. (2003) Characterization of mucins in human lacrimal sac and nasolacrimal duct. Invest Ophthalmol Vis Sci 44:1807–1813
Paulsen F, Föge M, Thale A et al. (2002) Absorption of lipophilic substances from tear fluid by the epithelium of the nasolacrimal ducts. Invest Ophthalmol Vis Sci 43:3137–3143
Paulsen F, Hallmann U, Paulsen J, Thale A (2000) Innervation of the cavernous body of the human efferent tear ducts and function in tear outflow mechanism. J Anat 197:373–381
Paulsen F, Hinz M, Schaudig U et al. (2002) TFF-Peptides in the human efferent tear ducts. Invest Ophthalmol Vis Sci 43:3359–3364
Paulsen F, Paulsen J, Thale A, Tillmann B (2000) Mucosa-associated lymphoid tissue (MALT) in the human efferent tear ducts. Virch Arch 437:185–189
Paulsen F, Pufe T, Schaudig U et al. (2001) Detection of natural peptide antibiotics in human nasolacrimal ducts. Invest Ophthalmol Vis Sci 42:2157–2163
Paulsen F, Thale A, Hallmann U et al. (2000) The cavernous body of the human efferent tear ducts—function in tear outflow mechanism. Invest Ophthalmol Vis Sci 41:965–970
Paulsen F, Thale A, Kohla G et al. (1998) Functional anatomy of human duct epithelium. Anat Embryol 198:1–12
Paulsen F, Thale A, Maune S, Tillmann B (2001) Primary acquired dacryostenosis—histopathology and pathophysiology. Ophthalmology 108:2329–2336
Paulsen F, Thale A, Schaudig U (2002) Ableitende Tränenwege und Trockenes Auge. Ophthalmologe 99:566–574
Perra MT, Serra A, Sirigu P, Turno F (1995) A histochemical and immunohistochemical study of certain defense mechanisms in the human lacrimal sac epithelium. Arch Histol Cytol 58:517–522
Rohen JW (1953) Morphologische Studien zur Funktion des Lidapparates beim Menschen. Morph Jahrbuch 93:42–97
Rosengren B (1928) Studien über die Tränenableitung beim Menschen und einigen Säugetieren. Svenska Läkare Sällskapets Handlingar 54:41–117
Schauer R (1997) Enzyme als Werkzeuge für die Analyse der Struktur und Funktion von sialylierten Glykokonjugaten. BIO-forum 20:541–544
Schirmer O (1903) Studien zur Physiologie und Pathologie der Tränenabsonderung und Tränenabfuhr. Arch Ophthalmol 56:197–212
Sirigu P, Maxia C, Puxeddu R et al. (2000) The presence of a local immune system in the upper blind and lower part of the human nasolacrimal duct. Arch Histol Cytol 63:431–439
Thale A, Paulsen F, Rochels R, Tillmann B (1998) Functional anatomy of human efferent tear ducts—a new theory of tear outflow. Graefes Arch Clin Exp Ophthalmol 236:674–678
Theodoropoulos G, Hicks SJ, Corfield AP et al. (2001) The role of mucins in host-parasite interactions: part II—helminth parasites. Trends Parasitol 17:130–135
Thim L, Madsen F, Poulsen SS (2002) Effect of trefoil factors on the viscoelastic properties of mucus gels. Eur J Clin Invest 32:519–527
Tomasetto C, Masson R, Linaires JL et al. (2000) pS2/TFF1 interacts directly with the VWFC cysteine-rich domains of mucins. Gastroenterology 118:70–80
Van Klinken BJW, Dekker J, Büller HA, Einerhand AWC (1995) Mucin gene structure and expression: protection vs. adhesion. Am J Physiol 269:G613–627
Wilson G, Merril R (1976) The lacrimal drainage system: Pressure changes in the canaliculus. Am J Optom Physiol Optics 53:55–59
Danksagung
Die Arbeiten wurden von der Deutschen Forschungsgemeinschaft (Pa738/1–2 und 1–3 an F.P.), dem National Eye Research Center (NERC grant 2000/013 an M.B.), dem Fond der Chemischen Industrie (0163615 sowie 0500058 an W.H.) und der AG Trockenes Auge im BVA unterstützt.
Author information
Authors and Affiliations
Corresponding author
Additional information
Teile der Untersuchungsergebnisse wurden als Kurzvortrag auf der 100. Jahrestagung der Deutschen Ophthalmologischen Gesellschaft 2002 vorgestellt.
Rights and permissions
About this article
Cite this article
Paulsen, F., Corfield, A., Hinz, M. et al. Tränenabfluss. Ophthalmologe 101, 19–24 (2004). https://doi.org/10.1007/s00347-003-0842-y
Issue Date:
DOI: https://doi.org/10.1007/s00347-003-0842-y