Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Cellular Patterns of the Skin Microenvironment in Experimentally Induced Diabetes Mellitus

Version 1 : Received: 21 June 2023 / Approved: 28 June 2023 / Online: 28 June 2023 (20:40:06 CEST)

How to cite: Temelie-Olinici, D.; Botezatu, I.; Perțea, M.; Stoica, L.; Onofrei, P.; Botez, A.; Grecu, V.; Haba, R.M.; Bărgăoanu, P.; Cotrutz, C.E. Cellular Patterns of the Skin Microenvironment in Experimentally Induced Diabetes Mellitus. Preprints 2023, 2023062059. https://doi.org/10.20944/preprints202306.2059.v1 Temelie-Olinici, D.; Botezatu, I.; Perțea, M.; Stoica, L.; Onofrei, P.; Botez, A.; Grecu, V.; Haba, R.M.; Bărgăoanu, P.; Cotrutz, C.E. Cellular Patterns of the Skin Microenvironment in Experimentally Induced Diabetes Mellitus. Preprints 2023, 2023062059. https://doi.org/10.20944/preprints202306.2059.v1

Abstract

Background: Diabetes mellitus is one of the most common endocrinopathies, estimated to affect about 5.4% of the world's population around 2025. It is thought that nearly a third of diabetic patients have some type of skin condition. Frequently, the cutaneous effects of this heterogeneous syndrome are accurately detected late in the progressive form of the disease. Methods: Skin fragments were harvested from adult white Wistar rats of both sexes, with the weight of 200 g, 12 weeks after streptozotocin diabetes was induced. In parallel with histopathological diagnosis by using hematoxylin and eosine staining, samples were processed by transmission electron microscopy technique and examined with a Philips CM100 microscope. Results: In the apparently macroscopically unchanged tegument, photon microscopy revealed both progressive thinning of the epidermis in the early stages of diabetes and a significant process of fibrosis and collagen hyalinization in the dermis. In addition, in the early stages, the electron microscopic study provided ultrastructural details characteristic of a senescent phenotype with reduced cell proliferation. Conclusions: The morphological changes in the skin may be the first signs of disruption of carbohydrate metabolism and in the case of established diabetes may reflect its progression and the efficacy of therapy.

Keywords

streptozotocin diabetes; ultrastructural diagnosis; insulin resistance.

Subject

Medicine and Pharmacology, Pathology and Pathobiology

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