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Information Journal Paper

Title

THE TROPHIC EFFECT OF CILIARY NEUROTROPHIC FACTOR ON INJURED MASSETER MUSCLE IN RAT

Pages

  920-926

Abstract

 Objective (s): OCCLUSAL TRAUMA is one of the most common forms of oral biting dysfunction. Long‐term OCCLUSAL TRAUMA could weaken the stomatognathic system; especially damage one’s masticatory muscle. Through using the rat model, this study investigated the trophic effect of CILIARY NEUROTROPHIC FACTOR (CNTF) on injured MASSETER MUSCLE.Materials and Methods: Male Wistar rats (n=36) were randomly divided into five experimental groups and one control group (6 rats per group). Animals in the experimental group were cemented modified crowns on their mandibular first molars to artificially induce OCCLUSAL TRAUMA in 1, 3, 7, 14, and 28 days. Control group was sham‐treated with forced mouth‐opening for about 5 min, while no crowns were placed. After 28 days of treatment, all rats were euthanized and their MASSETER MUSCLE was collected. Through immunofluorescence and real‐time quantitative PCR, the expression of DESMIN, CNTF, and CNTFRa was investigated in rat MASSETER MUSCLE. The microstructure of MASSETER MUSCLE was observed by transmission electron microscope.Results: The expression of DESMIN showed a time‐dependent decrease on traumatic and non‐traumatic sides masseter, until reached the nadir at the 14th day, then restored to its normal level at the 28th day; however, the expression of CNTF and CNTFRa on the traumatic and non‐traumatic sides increased from day 7, reached the peak at the 14th day, and returned to normal level on the 28th day.Conclusion: CNTF, as an important neurotrophic factor, was tightly associated to the restoring of rat injured MASSETER MUSCLE, which provides new target and treatment method for clinical application.

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    APA: Copy

    ZHANG, YUJUN, WANG, XIAOHUI, ZHANG, MENGMENG, LIN, XUEFEN, WU, QINGTING, YANG, YINGYING, KONG, JINGJING, & JI, PING. (2015). THE TROPHIC EFFECT OF CILIARY NEUROTROPHIC FACTOR ON INJURED MASSETER MUSCLE IN RAT. IRANIAN JOURNAL OF BASIC MEDICAL SCIENCES, 18(9), 920-926. SID. https://sid.ir/paper/668250/en

    Vancouver: Copy

    ZHANG YUJUN, WANG XIAOHUI, ZHANG MENGMENG, LIN XUEFEN, WU QINGTING, YANG YINGYING, KONG JINGJING, JI PING. THE TROPHIC EFFECT OF CILIARY NEUROTROPHIC FACTOR ON INJURED MASSETER MUSCLE IN RAT. IRANIAN JOURNAL OF BASIC MEDICAL SCIENCES[Internet]. 2015;18(9):920-926. Available from: https://sid.ir/paper/668250/en

    IEEE: Copy

    YUJUN ZHANG, XIAOHUI WANG, MENGMENG ZHANG, XUEFEN LIN, QINGTING WU, YINGYING YANG, JINGJING KONG, and PING JI, “THE TROPHIC EFFECT OF CILIARY NEUROTROPHIC FACTOR ON INJURED MASSETER MUSCLE IN RAT,” IRANIAN JOURNAL OF BASIC MEDICAL SCIENCES, vol. 18, no. 9, pp. 920–926, 2015, [Online]. Available: https://sid.ir/paper/668250/en

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