Sarcoglycan complex in human normal and pathological prostatic tissue: an immunohistochemical and RT-PCR study

The Anatomical Record : Advances in Integrative Anatomy and Evolutionary Biology
Giuseppina CutroneoCarlo Magno

Abstract

The sarcoglycan complex is a trans-membrane system playing a key role in mechano-signaling the connection from the cytoskeleton to the extracellular matrix. While b-, d-, and e-sarcoglycans are widely distributed, g- and a-sarcoglycans are expressed exclusively in skeletal and cardiac muscle. Insufficient data are available on the distribution of sarcoglycans in nonmuscular tissue. In the present study, we used immunohistochemical and RT-PCR techniques to study the sarcoglycans also in normal human glandular tissue, a type of tissue never studied in relation to the sarcoglycan complex, with the aim of verifying the real wider distribution of this complex. To understand the role of sarcoglycans, we tested specimens collected from patients affected by benign prostatic hyperplasia and adenocarcinoma. For the first time, our results showed that all sarcoglycans are detectable in normal samples both in epithelial and in myoepithelial cells; in pathological prostate, sarcoglycans appeared severely reduced in number or were absent. These data demonstrated that all sarcoglycans have a wider distribution suggesting a new unknown role for these proteins. The decreased number of sarcoglycans, containing cadherin domain homologs in samples...Continue Reading

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Citations

May 4, 2017·Journal of Cellular Physiology·Hina F BhatNazir A Ganai

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