نتایج جستجو برای: scar formation

تعداد نتایج: 538754  

Journal: :Signal Transduction and Targeted Therapy 2020

2014
Brian J. Lee Malcolm Marks Dell P. Smith Cheryl A. Hodges-Savola Jennifer M. Mischke Ryan D. Lewis

BACKGROUND Use of electrosurgery for skin incisions has been controversial due to concerns of delayed healing, excessive scarring, and increased infection. Recent studies using modern electrosurgical generators that produce pure sinusoidal "CUT" waveforms have shown reductions in thermal damage along incisions made with these devices compared with their predecessors. This study compares scar fo...

Journal: :The British journal of ophthalmology 1980
R Sigurdsson I S Begg

Plaques of hard exudate measuring 0-5 to 10 disc diameters, which occurred in 5 eyes of 4 patients with diabetic maculopathy, showed complete organisation in 8 to 18 months with the formation of scars measuring 0-2 to 0 5 disc diameters. The visual acuity was related to the size and situation of the scar within the fovea, and, when the foveola was involved by plaque formation, visual reduction ...

2018
Jing-Chun Zhao Bo-Ru Zhang Lei Hong Kai Shi Wei-Wei Wu Jia-Ao Yu

Hypertrophic scar is characterized by excessive deposits of collagen during skin wound healing, which could become a challenge to clinicians. This study assessed the effects of the extracorporeal shock wave therapy (ESWT) on hypertrophic scar formation and the underlying gene regu-lation. A rabbit ear hypertrophic scar model was generated and randomly divided into three groups: L-ESWT group to ...

2017
Eli Kravez Martin Villiger Brett Bouma Martin Yarmush Zohar Yakhini Alexander Golberg

Hypertrophic scars remain a major clinical problem in the rehabilitation of burn survivors and lead to physical, aesthetic, functional, psychological, and social stresses. Prediction of healing outcome and scar formation is critical for deciding on the best treatment plan. Both subjective and objective scales have been devised to assess scar severity. Whereas scales of the first type preclude c...

Journal: :International journal of clinical and experimental pathology 2015
Qiang Sun Shu Guo Chen-Chao Wang Xu Sun Di Wang Nan Xu Shi-Feng Jin Ke-Zhu Li

TGF-β1 is a key factor in the process of wound healing, which is regulated by TGF-β/Smad pathway. We previously demonstrated that TGF-β1 contributed to pathological scar formation. And previous studies also suggested Wnt/β-catenin pathway might be involved in wound healing. However, their role and relation in pathological scar formation remains not very clear. For evaluating TGF-β1 and β-cateni...

Journal: :Neuroscience letters 2011
Hao Meng Mo Li Fengjian You Junjie Du Zhuojing Luo

Following nerve injury, scar formation is thought to be a considerable impediment to axonal regeneration at the nerve injury site. Nerve wrapping can protect the regenerating axons, and human amniotic membrane (HAM) derived from human placenta is an effective material for that purpose. The impact of nerve wrapping with HAM on functional recovery after nerve injuries, especially after autograft ...

Journal: :Cellular physiology and biochemistry : international journal of experimental cellular physiology, biochemistry, and pharmacology 2016
Jun Li Ling Chen Chunyu Cao Hui Yan Bei Zhou Yanli Gao Qian Li Jingyun Li

BACKGROUND/AIMS Long non-coding RNAs (lncRNAs) are thought to play crucial roles in human diseases. However, the function of lncRNAs in hypertrophic scar formation remains poorly understood. METHODS In this study, we investigated the expression of lncRNA8975-1 in hypertrophic scar tissues and fibroblasts by quantitative reverse transcription PCR (qRT-PCR). To investigate its function, overexp...

Journal: :International wound journal 2016
Qing Chun Wang ZhiYong Song Fei Wang XiQiao

The human hypertrophic scar undergoes hyperplasia and regression during progression. This study aimed to investigate whether fibroblasts in scar tissue undergo biological changes during the formation and regression of human hypertrophic scar. Using 32 scar samples, we measured collagen production by Masson's staining and the expression levels of transforming growth factor (TGF)-β1 and vascular ...

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