Comparing to other treatments, microwave-based therapy was effective in treating osmidrosis with minimal downtime, recurrence, and complications. It could be a durable and effective therapeutic modality for osmidrosis and is less operator-dependent. It may be considered as a first-line treatment for axillary osmidrosis.
a b s t r a c tRadiotherapy is the most successful nonsurgical treatment for nasopharyngeal carcinoma (NCP). Although NPCs initially respond well to a full course of radiation, recurrence and metastasis are frequent. In this study, we found that down-regulated c-MYB expression was associated with increased radiation resistance and DNA damage repair ability. Interestingly, c-MYB was over-expressed in cancer tissues but not in the adjacent tissues. Down-regulation of c-MYB expression inhibited cell proliferation, and led to cell cycle arrest at the M phase in NPC cells. Luciferase and chromatin immunoprecipitation assays demonstrated that c-MYB transactivated miR-143 through direct binding to its promoter. Based on these results, c-MYB might target miR-143 in order to regulate stem cell properties, cell growth, apoptosis, and DNA damage repair.
According to the growth state of hair follicles, the hair cycle is divided into the anagen, catagen and telogen phases. A number of biological factors have been shown to synchronize with the hair cycle. As an important component of the hair follicle, the extracellular matrix is regulated by matrix metalloproteinases (MMPs) and their inhibitors (tissue inhibitor of matrix metalloproteinases; TIMPs). It has been reported that MMP-2, MMP-9 and TIMP-1 are associated with the hair cycle; however, their expression levels during the hair cycle have not been fully elucidated. Reverse transcription-polymerase chain reaction and ELISA analysis in the present study demonstrated that, during the hair cycle in mice, mRNA and protein expression levels of MMP-2 and MMP-9 were elevated in the anagen phase, and decreased during the catagen and telogen phases. Furthermore, SDS-PAGE gelatin zymography demonstrated that their activities fluctuated in the hair cycle. Additionally, it was observed that the mRNA and protein expression levels of TIMP-1 and TIMP-2 were negatively correlated with MMP-9 and MMP-2, respectively. Immunohistochemical examination demonstrated that MMP-2 and TIMP-2 were present in all structures of the hair follicle. However, MMP-9 and TIMP-1 were locally expressed in certain areas of the hair follicle, such as in the sebaceous gland at the anagen, catagen and telogen phases, and in the inner root sheath at the catagen phase. These results suggested that MMP-2 and MMP-9 may serve an important role in the hair growth cycle.
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