1.A case of vertebral traumatic pseudoaneurysm.
Yun-ze XUAN ; Feng-zhe CHE ; Zai-xian SHEN
West China Journal of Stomatology 2008;26(6):680-681
Pseudoaneurysm often occurred after trauma and infection. It was seen commonly on limb arteries but rarely on vertebral artery. The case was diagnosed two months after trauma. The pulsatile mass and vascular murmur found through preoperative examination confirmed from the vertebral artery. No complication was observed after surgery.
Aneurysm, False
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Humans
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Male
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Vertebral Artery
2.Cephalometric study with Steiner analysis on normal occlusion of Korean adults in Yanbian China.
Feng-zhe CHE ; Yun-ze XUAN ; Zhe-hao JIN
West China Journal of Stomatology 2008;26(2):156-158
OBJECTIVEThe aim of the study was to establish a cephalometric normal standard value for Korean in Yanbian China by means of Steiner analysis.
METHODS72 cases of Korean adults in Yanbian with normal occlusion were selected, standard lateral cranial X-ray films were taken and cephalometric Steiner analysis was performed. The data was compared with Korean in Soul of Republic of Korea with normal occlusion.
RESULTS1) Cephalometric Steiner normal standard values, standard deviation and Cheveron analysis chart were established. 2) 1-NB angle of male was significantly bigger than that of female, while GoGn-SN angle of female was significantly bigger than that of male (P<0.05), respectively. 3) There were significant differences on SNA, SNB, ANB, SND, [symbol: see text]-NA (mm),1-NB (except woman) compared with same age group Korean presented by In-Chool Park (P<0.05).
CONCLUSIONThere is a significantly different between male and female Koreans with normal occlusions in Yanbian China. This experiment filled in the blank of stomatology research in Yanbian Korean autonomous region. In the mean while, it completed and supplemented the normal occlude data of different nations in China. The present paper also provided the reference for clinic and scientific research on orthognathic surgeon. At the same time, the experiment provided the evidence for the further research.
Adult ; Cephalometry ; China ; Dental Occlusion ; Female ; Humans ; Male ; Reference Values ; Skull
3.Osteoblastic behavior to zirconium coating on Ti-6Al-4V alloy.
Bo Ah LEE ; Hae Jin KIM ; Yun Ze XUAN ; Yeong Joon PARK ; Hyun Ju CHUNG ; Young Joon KIM
The Journal of Advanced Prosthodontics 2014;6(6):512-520
PURPOSE: The purpose of this study was to assess the surface characteristics and the biocompatibility of zirconium (Zr) coating on Ti-6Al-4V alloy surface by radio frequency (RF) magnetron sputtering method. MATERIALS AND METHODS: The zirconium films were developed on Ti-6Al-4V discs using RF magnetron sputtering method. Surface profile, surface composition, surface roughness and surface energy were evaluated. Electrochemical test was performed to evaluate the corrosion behavior. Cell proliferation, alkaline phosphatase (ALP) activity and gene expression of mineralized matrix markers were measured. RESULTS: SEM and EDS analysis showed that zirconium deposition was performed successfully on Ti-6Al-4V alloy substrate. Ti-6Al-4V group and Zr-coating group showed no significant difference in surface roughness (P>.05). Surface energy was significantly higher in Zr-coating group than in Ti-6Al-4V group (P<.05). No difference in cell morphology was observed between Ti-6Al-4V group and Zr-coating group. Cell proliferation was higher in Zr-coating group than Ti-6Al-4V group at 1, 3 and 5 days (P<.05). Zr-coating group showed higher ALP activity level than Ti-6Al-4V group (P<.05). The mRNA expressions of bone sialoprotein (BSP) and osteocalcin (OCN) on Zr-coating group increased approximately 1.2-fold and 2.1-fold respectively, compared to that of Ti-6Al-4V group. CONCLUSION: These results suggest that zirconium coating on Ti-6Al-4V alloy could enhance the early osteoblast responses. This property could make non-toxic metal coatings on Ti-6Al-4V alloy suitable for orthopedic and dental implants.
Alkaline Phosphatase
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Alloys*
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Biocompatible Materials
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Cell Proliferation
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Coated Materials, Biocompatible
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Corrosion
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Dental Implants
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Gene Expression
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Integrin-Binding Sialoprotein
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Orthopedics
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Osteoblasts*
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Osteocalcin
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RNA, Messenger
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Surface Properties
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Titanium
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Zirconium*
4.Myxoid adrenal cortical tumor: report of four cases.
Jia-Yan SHENG ; Hong-Chao HE ; Yu ZHU ; Yu-Xuan WU ; Zhou-Jun SHEN ; Ju-Ping ZHAO ; Gui MA ; Yun-Ze XU
Chinese Medical Journal 2012;125(9):1672-1674
Myxoid adrenocortical neoplasms are rare. Surgical resection of the mass is the first-line therapy. Here we reported a total of four patients, aged 44–66 years, diagnosed with myxoid adrenocortical tumor. The clinical characteristics and immunohistochemical features of the tumor are discussed in the current literature.
Adrenal Cortex Neoplasms
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diagnosis
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metabolism
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surgery
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Adult
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Aged
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Biomarkers, Tumor
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metabolism
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Female
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Humans
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Male
;
Middle Aged
5.Effect of 0.9-ms 1064-nm Nd:YAG laser combined with itraconazole for treatment of toenail onychomycosis.
Ze-Min ZHONG ; Ye-Mei YANG ; Si-Tong ZHOU ; Yong-Xuan HU ; Zu-Hao MAO ; Zhong WU ; Xue HAN ; Kang-Xing LIU ; Shi-Yun HUNAG ; Yan-Qing HU ; Yan LU ; Xian-Yi ZHOU
Journal of Southern Medical University 2018;38(3):358-362
OBJECTIVETo evaluate the efficacy and safety of 0.9-ms 1064-nm Nd:YAG laser alone or combined with itraconazole for treatment of toenail onychomycosis.
METHODSA total of 37 patients with onychomycosis (178 toenails) were randomly assigned to groups A and B, and each group was further divided into different subgroups according to the Scoring Clinical Index of Onychomycosis (SCIO) and Onychomycosis Severity Index (OSI) scoring. All the patients were treated with 0.9-ms Nd:YAG laser once a week for 8 times. The patients in group A were treated with laser alone, and those in group B were treated with laser combined with itraconazole. The clinical effect, clinical scores, appearance of the toenails and adverse reactions in the two groups were analyzed, and the patients' satisfaction rate was also investigated.
RESULTSAt the 12th months of follow-up, the clinical response rate and mycological cure rate in group A were 31.33% and 30.00%, respectively, similar to the rates in group B (35.79% and 41.18%, respectively) (P>0.05). After the treatments, the SCIO and OSI scores showed no significant changes in group A (P>0.05) but both increased significantly in group B (P<0.05). The response rates did not differ significantly among the subgroups with SCIO<12 or with OSI<16 (P>0.05), but showed significant differences among the subgroups with SCIO≥12 or with OSI≥16 (P<0.05). Of the total of 178 toenails, 33.71%, 74.72% and 70.79% toenails showed improvements in terms of clear nail growth, shape and color, respectively. The overall patients' satisfaction rate was 62.16%, and no adverse reactions related with the therapy were recorded in these patients.
CONCLUSIONFor treatment of toenail onychomycosis, 0.9-ms 1064-nm Nd:YAG laser can effectively improve the aesthetic appearance of the toenails, and a combined treatment with Nd:YAG laser and itraconazole can be better option in severe cases of onychomycosis.
6.Rauwolfia vomitoria extract suppresses benign prostatic hyperplasia by reducing expression of androgen receptor and 5α-reductase in a rat model.
Tian FANG ; Ze-Sheng XUE ; Jia-Xuan LI ; Jia-Kuan LIU ; Di WU ; Mei-Qian LI ; Yu-Ting SONG ; Shi-Feng YUN ; Jun YAN
Journal of Integrative Medicine 2021;19(3):258-264
OBJECTIVE:
Herbal medicine is an important therapeutic option for benign prostatic hyperplasia (BPH), a common disease in older men that can seriously affect their quality of life. Currently, it is crucial to develop agents with strong efficacy and few side effects. Herein we investigated the effects of the extract of Rauwolfia vomitoria, a shrub grown in West Africa, on BPH.
METHODS:
Rats with testosterone-induced BPH were treated with R. vomitoria. Prostates were histologically analyzed by Hematoxylin and eosin staining. Proliferation index and the expression levels of androgen receptor and its associated proteins were quantified through immunohistochemistry and immunoblotting. Androgen receptor target genes were examined by quantitative real-time polymerase chain reaction. The sperm count and body weight of rats were also measured.
RESULTS:
The oral administration of R. vomitoria extract significantly reduced the prostate weight and prostate weight index in BPH rats, supported by the decreased thickness of the prostate epithelial layer and increased lumen size. Similar effects were observed in the BPH rats treated with the reference drug, finasteride. R. vomitoria extract significantly reduced the testosterone-induced proliferation markers, including proliferating cell nuclear antigen and cyclin D1, in the prostate glands of BPH rats; it also reduced levels of androgen receptor, its associated protein steroid 5α-reductase 1 and its downstream target genes (FK506-binding protein 5 and matrix metalloproteinase 2). Notably, compared with the finasteride group, R. vomitoria extract did not significantly reduce sperm count.
CONCLUSION
R. vomitoria suppresses testosterone-induced BPH development. Due to its milder side effects, R. vomitoria could be a promising therapeutic agent for BPH.
7. Transcriptional Regulation between CCAT2 and AR in Prostate Cancer Cell Lines
Pin-Zheng ZHANG ; Zhi-Yi GUO ; Pin-Zheng ZHANG ; Zhi-Yi GUO ; Na LIANG ; Ming-Jie CHANG ; Xu-Ying WANG ; Jin-Ze LI ; Ya-Ning WANG ; Fan-Li SUN ; Zi-Yun CHEN ; Xuan SHANG ; Zhi-Yi GUO
Chinese Journal of Biochemistry and Molecular Biology 2022;38(8):1070-1077
AR (androgen receptor) and CCAT2 are two prostate cancer (PCa)-related genes whereas their relationship is not yet reported. AR is the classical major functional gene in PCa progression. CCAT2, a non-coding gene, was identified based on big-data GWAS (Genome-Wide Association Studies) in the year of 2013. Androgen deprivation therapy (ADT) is usually used to treat PCa in the early stage. After persistent androgen deprivation, PCa would generally lead to castration resistant prostate cancer (CRPC), whereas the mechanism is yet unclear. Here we explore the function of AR and CCAT2 in PCa progression, especially their relation in androgen sensitive and insensitive cell model LNCap and DU145. We found a loop between AR and CCAT2 transcription by over-expression and knock-down strategies. In DU145 cells, G-CCAT2 activated AR mRNA level 2. 6 times, while T-CCAT2 inhibited it to 0. 2 times (P<0. 05). In LNCaP cells, G-CCAT2 could activate AR mRNA levels 1. 5 times, and TCCAT2 had no significant effect (P<0. 05). Under overexpression of AR in DU145 cells, the expression of CCAT2 increased 2. 9 times (P < 0. 05). The abundance of CCAT2 decreased to 0. 48 (P < 0. 05) in LNCaP cells by AR knock-down. Reporter gene analysis showed that CCAT2 could function on the AR promoter. We then performed CCK8 assays and AR protein level detection as supplement for the new gene CCAT2 studies. Finally we primarily studied some target genes that are related to AR and CCAT2 . The results showed that the G-CCAT2 transcript could activate AR expression in LNCap cells while UCCAT2 had no significant effect. In DU145 cells, G-CCAT2 exhibited a more relative stronger activation effect on AR, and U-CCAT2 could inhibit AR transcription. AR activates the transcriptional activity of CCAT2 in both cell lines, suggesting a feedback regulation between them. Our data showed that there would be a feedback loop between CCAT2 and AR, which may indicate a new method for PCa treatment.