{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,14]],"date-time":"2026-05-14T16:16:07Z","timestamp":1778775367677,"version":"3.51.4"},"reference-count":40,"publisher":"AVES YAYINCILIK A.\u015e.","issue":"6","license":[{"start":{"date-parts":[[2020,2,6]],"date-time":"2020-02-06T00:00:00Z","timestamp":1580947200000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/tdm\/userlicense\/1.0\/"},{"start":{"date-parts":[[2017,7,31]],"date-time":"2017-07-31T00:00:00Z","timestamp":1501459200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc-nd\/4.0\/"}],"content-domain":{"domain":["elsevier.com","sciencedirect.com"],"crossmark-restriction":true},"short-container-title":["AOTT"],"abstract":"<jats:p>Abstract\n\nObjective\nThe aim of this study was to investigate the effect of mucopolysaccharide, vitamin C, and collagen supplementation on the healing of Achilles tendon in rats.\nMethods\nSixteen rats were separated into 2 groups. Both Achilles tendons of all rats were transected 5 mm above the insertion and repaired using a Kessler suture. After the surgical repair, the study group received the daily recommended amount of the supplement by gastric gavage, while the control group received a placebo. At the end of the third week, the animals were sacrificed. The biomechanical properties of the groups were compared with ultimate tensile strength and stiffness tests. The biological properties of the 2 groups were assessed with a histomorphometric comparison to determine the amount of collagen type I (COL1), proliferating cell nuclear antigen (PCNA), and transforming growth factor \u00df1 (TGF-\u00df1) expression in 3 different tissue subgroups (collagen matrix, tenocytes, and endotenon fibroblasts).\nResults\nAnalysis of histomorphometric results revealed that the rats receiving dietary supplements demonstrated a significant increase in PCNA (mean value of 86 in the control group and 168.85 in the trial group; p &lt; 0.05) and TGF-\u00df1 (mean value of 87.57 in the control group and 161.85 in the trial group; p &lt; 0.05) in the endotenon fibroblasts of the repair site. However, there was no difference between the groups in PCNA or TGF-\u00df1 when the collagen matrix and the tenocytes of the repair site were examined. Furthermore, no significant difference could be found between groups in COL1 in any of the 3 tissue subgroups (collagen matrix, tenocytes, and endotenon fibroblasts). The statistical analysis also indicated that the rats receiving supplements did not demonstrate a significant increase in the ultimate tendon tensile strength or stiffness.\nConclusion\nThe results of this study revealed no advantage to the oral administration of the trial supplement in collagen synthesis or biomechanical properties in rats after 3 weeks using the presented study design. However, the increased expression of PCNA and TGF\u00df1 seen in the endotenon fibroblasts of the repair site might play a role in the continuum of tendon healing.\nER -<\/jats:p>","DOI":"10.1016\/j.aott.2018.06.012","type":"journal-article","created":{"date-parts":[[2018,9,21]],"date-time":"2018-09-21T09:58:36Z","timestamp":1537523916000},"page":"452-458","update-policy":"https:\/\/doi.org\/10.1016\/elsevier_cm_policy","source":"Crossref","is-referenced-by-count":16,"title":["Role of a combination dietary supplement containing mucopolysaccharides, vitamin C, and collagen on tendon healing in rats"],"prefix":"10.5152","volume":"52","author":[{"given":"Halil","family":"Can 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