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International Journal of Morphology

On-line version ISSN 0717-9502

Abstract

HIPKAEO, Wiphawi et al. Identification in Immuno-Electron Microscopy of Solitary Multi-Polar Peripheral Neurons of Adult Opisthorchis viverrini by Antibody Against Rat Diacylglycerol Kinaseζ. Int. J. Morphol. [online]. 2016, vol.34, n.2, pp.471-477. ISSN 0717-9502.  http://dx.doi.org/10.4067/S0717-95022016000200010.

By utilizing the antibody for rat DGKz a substantial number of immunopositive cells were found in the OV (Opisthorchis viverrini). The immunopositive cells appeared solitarily and they were distributed rather symmetrically to the longitudinal axis of the OV. Some of them were located in close proximity to internal organs such as uterus, ovary, testes, vitelline glands and guts. The immunostained cells extended tapering processes horizontally or obliquely to the OV longitudinal axis. In immuno-electron microscopy, the immunopositive cells were characterized by intensely immunostained mitochondria and weakly immunostained cytoplasm and immunonegative chromatin-poor nucleus. Vacuoles of various sizes without the immunoreactivity were also contained in the cells. Thin cellular processes without the immunoreactivity were found to enclose thinly the entire surfaces of the immunostained cells and processes, and they were in continuity with the interstitial partition-like processes which contained nuclei and aggregation of microfibrils at some distance from the cytoplasmic envelopes. The present finding suggests the possibility that the immunostained cells were peripheral neurons enveloped by peripheral glia and that the glia are of mesenchymal origin because of their cytoplasmic continuity to the interstitial partition-like processes. The motor or sensory nature of the neurons remains to be elucidated.

Keywords : DGKhttp://fbpe/img/ijmorphol/v34n2/art10_simbolo1.jpg; Immunoreactivity; Peripheral neurons; Glia; Opisthorchis viverrini; Ultrastructure.

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