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ŞEKERLER, TURGUT

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Author: AKSOY, HALİL × Has files: false ×

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    Effect of Horse-chestnut seed extract on matrix metalloproteinase-1 and-9 during diabetic wound healing
    (WILEY, 2019) ŞEN, ALİ; Aksoy, Halil; Cevik, Ozge; Sen, Ali; Goger, Fatih; Sekerler, Turgut; Sener, Azize
    The effects of aqueous-ethanol extract of Horse chestnut (HCE) on MMP-1 and MMP-9 expressions during cutaneous wound healing in diabetic rats were investigated in this study. The expressions of MMP-1 and MMP-9, wound closure, myeloperoxidase (MPO) activity, hydroxyproline, and malondialdehyde (MDA) levels in wound tissue were measured. Quercetin glucuronide in HCE was identified as main compound using a LC-MS/MS. The hydroxyproline level was significantly increased in the treated group versus control after the 3rd and 7th days (p < 0.05). The MDA level and MPO activity were significantly lower in the treatment group (p < 0.05). MMP-1 gene expression level in treated rats was increased in the 7th day while it was reduced in 14th day. MMP-9 gene expression level in treated rats was decreased in 7th, and 14th days compared to control (p < 0.05). These results show that HCE accelerated the cutaneous wound-healing process in diabetic rats via MMP-1 and MMP-9 regulation.
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    Evaluation of biochemical parameters inRubus tereticaulistreated rats and its implications in wound healing
    (SPRINGER, 2020) ŞEN, ALİ; Aksoy, Halil; Demirbag, Caglar; Sen, Ali; Sekerler, Turgut; Ozakpinar, Ozlem; Sener, Azize; Ahmad, Sarfraz; Tetik, Sermin
    We evaluated the effects ofRubus tereticaulisin healing process by determining the total carbonyl content, collagen synthesis, and total protein level on rat wounded tissues. Wounds were performed in the back of 54 Wistar rats, using a biopsy punch instrument with 0.6 mm in diameter. Rats were randomly divided into three groups: (i) un-treatment wounds group served as controls, (ii) Madecassol (R) used as positive control group, and (iii) the application of topical cream ofR. tereticaulisserved as treatment group of wound healing. The animals were killed at the end of experiment under anesthesia with ketamine, and tissue samples were collected for the evaluation at three times intervals (3rd, 7th, and 14th day). The wounded areas were analyzed for total carbonyl content, collagen, and total protein levels by HPLC, ELISA, and spectrophotometric methods, respectively. Total carbonyl content in the treatment group was significantly lower in comparison with control group on 3rd day (2.839 +/- 0.438 vs. 3.216 +/- 0.216 nmol carbonyl/mol protein;p < 0.5) and 14th days (4.222 +/- 0.128 vs. 4.784 +/- 0.077 nmol carbonyl/mol protein;p < 0.05), respectively. New collagen formation on the wound sites after the initial injury was noted in the treated and positive control groups (5.310 +/- 0.331 vs. 5.164 +/- 0.377 mg collagen/g wet tissue) at the 3rd day than control group (2.180 +/- 0.718 mg collagen/g wet tissue,p < 0.01), and in treated and positive control groups at 7th day (9.654 +/- 0.201, 9.053 +/- 1.062 mg collagen/g wet tissue,p < 0.01); and in treated and positive control groups at 14th day (8.469 +/- 0.236, 5.631 +/- 0.531 mg collagen/g wet tissue, respectively;p < 0.05) in comparison with the control group. Total protein level of samples did not change significantly between the groups. Thus, application ofR. tereticaulisameliorated the wound healing process in rats as it facilitated collagen formation through healing of the wound. Evaluating total carbonyl content by HPLC could be useful as an advance procedure for quantification of healing.