scholarly journals Immunohistochemical Localization of Secretory Immuno-globulins in the Main Excretory Duct of the Human Submandibular Gland.

1998 ◽  
Vol 61 (5) ◽  
pp. 427-432 ◽  
Author(s):  
Maria Teresa PERRA ◽  
Roberto PUXEDDU ◽  
Cristina MAXIA ◽  
Paola SIRIGU
Author(s):  
Dwight K. Romanovicz ◽  
Jacob S. Hanker

The presence of catalase-positive rods (Fig. 1) of different dimensions, which frequently have a crystalline appearance by light microscopy, has been reported. They seem to be related to peroxisomes which were characterized morphologically and cytochemically in parotid and other exocrine glands of the rat by Hand in 1973. Our light microscopic studies of these spherical microbodies and rods of different sizes, stained by virtue of the peroxidatic activity of their catalase, indicate that they are almost entirely confined to the cells of the striated and execretory ducts of the submandibular gland in the mouse. The rods were usually noted only in the proximity of the ductal microbodies. The latter frequently showed a tendency to appear in linear close array, or even to be contiguous (Fig. 2). This suggested that the rods could be formed by the fusion of microbodies.


Life Sciences ◽  
1975 ◽  
Vol 16 (5) ◽  
pp. 789-790
Author(s):  
Torill Berg Ørstavik ◽  
Per Brandtzaeg ◽  
Kjell Nustad ◽  
Kaare Gautvik

1992 ◽  
Vol 40 (1) ◽  
pp. 83-92 ◽  
Author(s):  
T Berg ◽  
I Wassdal ◽  
K Sletten

The rat submandibular gland contains several members of the kallikrein family. In the present study we purified and raised an antiserum against one of these enzymes, i.e., esterase B, which was first described by Khullar et al. in 1986. N-terminal amino acid analysis revealed complete homology between esterase B and the kallikrein family gene RSKG-7. For characterization of the antiserum, flat-bed isoelectrofocusing with immunoblotting was superior to immunoelectrophoresis and double immunodiffusion in detecting and identifying crossreacting proteins. This was due to the fact that kallikrein-like enzymes were readily separated by isoelectrofocusing, and immunoreactivity was easily detected by the sensitive peroxidase-anti-peroxidase staining after blotting onto nitrocellulose membrane. Immunohistochemical controls were carried out accordingly, including homologous as well as crossreacting antigens. In the submandibular gland, esterase B was detected exclusively in all granular convoluted tubular cells, co-localized with tissue kallikrein and tonin. Some staining was also observed in striated duct cells; however, this staining reaction was induced by cross-reactivity with kallikrein, since staining was abolished by addition of kallikrein as well as esterase B to the primary antiserum. It was therefore concluded that like tonin and antigen gamma, but unlike kallikrein, esterase B was not detected in the striated ducts of the submandibular, parotid, or sublingual glands. This separation in anatomic distribution between esterase B and kallikrein may indicate that prokallikrein activation is not the only biological function of esterase B.


2017 ◽  
Vol 26 (1) ◽  
pp. 13-22 ◽  
Author(s):  
Kazuyoshi Murayama ◽  
Miyuki Kawakami ◽  
Akira Tanaka

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