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Pancreas. 2010 Apr;39(3):403-10. doi: 10.1097/MPA.0b013e3181bc0372.

Immunohistochemical profile of human pancreatic pacinian corpuscles.

Author information

1
From the *Departamento de Morfología y Biología Celular, Universidad de Oviedo, 33006 Oviedo, Spain.

Abstract

OBJECTIVES:

To analyze the immunohistochemical profile of the human pancreatic pacinian corpuscles in comparison with that of the cutaneous pacinian corpuscles. In addition, we studied a Pacinilike corpuscle found in the adventitia of a pancreatic artery.

METHODS:

We used immunohistochemistry to detect specific antigens for corpuscular constituents, specific antibodies for the identification of Adelta- and C-sensory fibers and for the detection of several growth factor receptors, and some members of the degenerin/epithelial Na channel superfamily of proteins.

RESULTS:

Approximately 62% of pancreatic pacinian corpuscles have 2 to 10 axonic profiles each enclosed by its own inner core: 1 or 2 of these axonic profiles displayed RT-97 immunoreactivity (specific marker of mechanical axons). The cutaneous pacinian corpuscles showed not more than 2 axonic profiles with identical immunohistochemical characteristics. The expression of glial fibrillary acidic protein, epithelial membrane antigen, and tyrosine receptor kinase B was different between pancreatic and cutaneous pacinian corpuscles; the pattern of distribution of degenerin/epithelial Na channel proteins was identical in both cases. The arterial Pacinilike corpuscles displayed a specific immunohistochemical profile.

CONCLUSIONS:

Pancreatic pacinian corpuscles slightly differ from the cutaneous ones, and these differences could be related to topography, growth factor requirements, or function of pacinian corpuscles in the pancreas.

PMID:
19910838
DOI:
10.1097/MPA.0b013e3181bc0372
[Indexed for MEDLINE]

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