Tendinopathic supraspinatus tenocytes may have a neuroendocrine-like function, secreting CGRP, SP and VEGF: a pilot immunohistochemistry study

R Sahemey; P Malliaras; J S Lewis; G J Michael; P Shortland; D Morrissey; N Maffulli

doi:10.54517/jbrha6600

Publication Frequency

Quarterly since 2025

Journal Articles

Search scope

Journal Center

Asia Pacific Academy of Science Pte. Ltd. (APACSCI) specializes in international journal publishing. APACSCI adopts the open access publishing model and provides an important communication bridge for academic groups whose interest fields include engineering, technology, medicine, computer, mathematics, agriculture and forestry, and environment.

more

Volume Arrangement

2025

Vol 39, No 3 (2025)

Vol 39, No 2 (2025)

Vol 39, No 1 (2025)

Featured Articles

Macrophages in the pathogenesis of psoriasis and anti-psoriatic nanotherapies

Psoriasis is a common, chronic, and inflammatory skin disease. Macrophages account for about 61.3% of the inflammatory cells infiltrating psoriatic lesions. Modulating macrophage polarization, inhibiting their infiltration, and targeting the secretion of inflammatory factors and associated inflammatory pathways by these cells can alleviate psoriasis symptoms and inflammation. Moreover, nanomaterials as novel drug carriers, offer unique advantages such as large surface area, easy modification, high biocompatibility, good biodegradability, enhanced systemic adsorption, etc. Nanomaterials have great potential for efficient drug delivery and release, as well as improving therapeutic efficacy while reducing adverse effects. By systematically addressing the role of macrophages in psoriasis pathogenesis and the potential of nanomaterials in treating psoriasis through modulating macrophages, this review enhances our understanding of the disease mechanism and holds promise for novel therapeutic breakthroughs and advancements in the future treatment of psoriasis.

Tendinopathic supraspinatus tenocytes may have a neuroendocrine-like function, secreting CGRP, SP and VEGF: a pilot immunohistochemistry study

R Sahemey, P Malliaras, J S Lewis, G J Michael, P Shortland, D Morrissey, N Maffulli

Article ID: 6600
Vol 30, Issue 4S1, 2016

DOI: https://doi.org/10.54517/jbrha6600

Received: 8 January 2017; Accepted: 8 January 2017; Available online: 8 January 2017; Issue release: 8 January 2017

Abstract

We wanted to observe and compare the appearance of neurovascular tissue from tendon ex vivo, in patients with and without painful rotator cuff tendinopathy. Supraspinatus tendons were biopsied from 5 participants with painful tendinopathy and normal tendon from a young male. Slides were stained with haematoxylin and eosin and toluidine blue for histological assessment. Immunohistochemical markers for general nerves (protein gene-product 9.5 and synaptophysin), sensory nerves (calcitonin gene-related peptide; substance-P) and vascularisation (vascular endothelial growth factor) were used. PGP9.5 and CGRP-immunoreactive fibres were associated with vessels in cases and control. Synaptophysinlabelled fibres were observed in close relation to vessels in tendinopathy. PGP9.5, CGRP, SP and VEGF-immunoreaction also labelled tenocyte-like cells in degenerative areas and fibres in regions of fat and collagen. Sensory innervation and vascularity are increased in tendinopathy. The evidence for innervation and vascularity of symptomatic rotator cuff tendon may aid the development of novel investigations and therapies in the management of patients with this ailment.

Keywords

tendon;shoulder;rotator cuff;supraspinatus;immunostaining

References

Supporting Agencies

This site is licensed under a Creative Commons Attribution 4.0 International License (CC BY 4.0).

Editor-in-Chief

Dr. Fabio Malavasi

Medical Genetics, University of Torino Medical School, Italy

Co-Editor-in-Chief

Prof. Marcello Iriti

Department of Biomedical, Surgical and Dental Sciences, University of Milan, Italy

Indexing & Archiving

News & Announcements

2025-02-01

Notice of Change in Publication Schedule

In addition to the first issue that has already been published by the original publisher, there will be four more issues released this year, with scheduled publication dates in March, June, September, and December respectively.

2025-01-21

Notice: Ownership Transfer of the Journal

Starting from Volume 39 Issue 2 (2025), the ownership of Journal of Biological Regulators and Homeostatic Agents (ISSN: 0393-974X (P); 1724-6083 (O)) will be transferred from Biolife Sas to Asia Pacific Academy of Science Pte. Ltd. As of 21 January 2025, authors should make submissions to the new journal system and follow the author guidelines. Asia Pacific Academy of Science Pte. Ltd. will take over the publication of manuscripts being processed.

More Announcements...