Immunohistochemical and electronmicroscopic studies of obstructive lesions in submandibular glands

M. Shinohara, M. Oka, K. Yamada, K. Hashimura, K. Yuba, Masaki Mori

Research output: Contribution to journalArticle

12 Citations (Scopus)

Abstract

Obstructive sialoadenitis was examined by immunohistochemical techniques for keratin (MoAb K.LI, PKK.I and K.8.12) and actin. Electronmicroscopy (EMS) was used to identify ultrastructural changes in myoepithelial cells and ductal basal cells. With immunohistochemistry, actin staining was used as a marker of myoepithelium. MoAbs KL1 and PKK1 for ductal luminal cells, and MoAb K8.12 for ductal basal cells. Histologic features of the lesion usually showed degenerative changes of acinar and duct cells with cell infiltration and fibrous replacement. Immunohistochemical findings indicated that actin staining in the changed myoepithelial cells was irregularly positive or negative, and also keratin staining in luminal and ductal basal cells was reduced or disappeared. Ultra‐structural features of the changed myoepithelial cells indicated that these cells appeared less altered than adjacent acinar and ductal cells and showed increased amounts of lipid droplets and lipofuscin granules, and also wrinkled processes filled the prominent myofilamenl material.

Original languageEnglish
Pages (from-to)370-375
Number of pages6
JournalJournal of Oral Pathology & Medicine
Volume21
Issue number8
DOIs
Publication statusPublished - Jan 1 1992
Externally publishedYes

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Submandibular Gland
Actins
Acinar Cells
Staining and Labeling
Keratins
Sialadenitis
Lipofuscin
Immunohistochemistry

All Science Journal Classification (ASJC) codes

  • Pathology and Forensic Medicine
  • Oral Surgery
  • Otorhinolaryngology
  • Cancer Research
  • Periodontics

Cite this

Immunohistochemical and electronmicroscopic studies of obstructive lesions in submandibular glands. / Shinohara, M.; Oka, M.; Yamada, K.; Hashimura, K.; Yuba, K.; Mori, Masaki.

In: Journal of Oral Pathology & Medicine, Vol. 21, No. 8, 01.01.1992, p. 370-375.

Research output: Contribution to journalArticle

Shinohara, M. ; Oka, M. ; Yamada, K. ; Hashimura, K. ; Yuba, K. ; Mori, Masaki. / Immunohistochemical and electronmicroscopic studies of obstructive lesions in submandibular glands. In: Journal of Oral Pathology & Medicine. 1992 ; Vol. 21, No. 8. pp. 370-375.
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