1.Detection of Apoptosis by in Situ Labeling and Study on the Expression of bcl-2 in Lesions of Patients with Psoriasis
Xiao NI ; Jianfang SUN ; Haiping YANG
Chinese Journal of Dermatology 1994;0(02):-
Objective To investigate the involvement of apoptosis in the lesions of patients with psoriasis. Methods The apoptosis was detected with terminal deoxynucleotidyl transferase mediated dUTP biotin nick end labeling (TUNEL), and the expression of p53, PCNA and apoptosis suppressing protein bcl 2 was assessed with immunoperoxidase technique in psoriatic lesions and normal skin. Results A large number of keratinocytes showing biochemical and morphologic features of cells undergoing apoptosis were observed in all the suprabasal layers of the psoriatic epidermis. The plaques from all patients analysed showed marked increase in the number of PCNA positive cells in the middle and basal keratinocytes, and a dramatic reduction in the number of bcl 2 positive cells in the basal cell layer. Conclusion The increased apoptosis of keratinocytes in the lesions of psoriasis might be a homeostatic mechanism to the hyperplasia of cells.
2.Correlation between Pulmonary Hypertension Induced by High Blood Flow and Nuclear Factor-?B
xiao-xiao, YU ; jie, YANG ; ruo-peng, SUN
Journal of Applied Clinical Pediatrics 2006;0(13):-
Congenital heart disease with left-to-right shunt easily lead to pulmonary hypertension.Currently agreed about its mechanism:shear stress induced by high pulmonary blood flow stimulus pulmonary endothelium,to start regulation of genetic transcription,to initiate a series of molecular biology and pathophysiology changes,and finally to lead to pulmonary vascular pathologic remolding.Nuclear factor(NF)-?B is a kind of nuclear factor with multiple biological effect and play an important role in pulmonary vascular remolding.NF-?B signal can be actiacted by high blood flow.Its target gene products,for example,vasoactive mediators,cytokines,make pulmonary vessels difficulty to maintain the normal structure and cause pulmonary vascular contraction and remolding,thus,pulmonary arterial pressure increases.
3.Liposuction-curettage under negative pressure combined with Xiaozhiling injection for the treatment of axillary bromhidrosis
Yang SUN ; Jianhong LONG ; Xinghua YANG ; Muzhang XIAO ; Shaorong LEI ; Pengju FAN ; Zening XIAO
Chinese Journal of Dermatology 2013;46(7):509-510
Objective To evaluate the efficacy of liposuction-curettage under negative pressure combined with Xiaozhiling injection for the treatment of axillary bromhidrosis.Methods The operative field was marked along the border of hair-bearing area of axilla with a distal margin of 0.5-1 cm.Subcutaneous tissue was removed by stroke movement under negative pressure after tumescent anesthesia.Subsequently,Xiaozhiling injection was injected into the subcutaneous space.All the patients were followed for at least 3 months,and therapeutic efficacy was evaluated quantitatively.Results A total of 72 patients (144 sides) with axillary bromhidrosis were treated with this method from March 2009 to May 2012,including 16 males and 56 females aged 14-41 years.All the patients experienced primary healing with no necrosis or hematoma formation within one week after the operation.The follow-up lasted 3 to 18 months (average: 8 months).Among the 144 sides,133 (92.4%) were cured,11 (7.6%) were improved,with the response rate being 100%.Postoperative scar is invisible,and patients were satisfied with the treatment outcomes.Conclusion The combined therapy is a simple and effective approach to the treatment of axillary bromhidrosis with a fast recovery and less complications.
5.Evolution of supervision policies on clinic in China
Xiao HUANG ; Wenmin LI ; Guochun XIANG ; Xuefei GU ; Yang SUN
Chinese Journal of Health Policy 2016;9(7):28-33
Clinics are a main institutional form for doctors to open personal business in China .The develop-ment process of clinic reflects the situation of medical staff free practice .This study summarized the supervision poli-cies on clinic in China since the founding of China and got three conclusions .The first one was the attitude of the practice of the clinic has changed significantly .The change include four stages which were authorization ( 1949—1957 ) , limitations ( 1958—1977 ) , re-authorization ( 1978—1996 ) , promotion and encourage ( 1997—) along with macroeconomic system reform and the changes of government's governance ideas on health sector .The second conclu-sion was that the government gradually raised awareness of the status and role of the clinic institutions in the health system over the past several decades .The third conclusion was the supervision policies became more meticulous .In the future , clinical institutions can be a useful supplement to public medical institutions in China for its development process and characteristics .
6.Overview of China′s pediatric drug situation and regulatory policy
Hongjie XIAO ; Mengdie ZHOU ; Yang SUN ; Wu ZHONG
Journal of International Pharmaceutical Research 2016;43(4):579-584
Pediatric drug accessibility has become a global problem,pediatric drug shortages and off-label uses are very seri?ous. In China,lack of suitable varieties,appropriate dosage forms and specifications,weak foundations on clinical trials,irregular prescribing behavior and irrational drug use and other issues on pediatric drugs are still outstanding. To improve pediatric drug accessi?bility,it may need all aspects work together,that is,cooperation of the national macro-policy support,participation of enterprises and medical institutions,to establish realistic goals and programs to address pediatric drug problem. This paper studies the foreign pediat?ric regulation measures and policies and by comparing foreign policies to China′s current situation,we can find out the problems and defects,give appropriate advice,in order to provide advice and reference to promote the development of pediatric drug.
7.Analysis of clinical effect of McDonald cervical cerclage and the related risk factors
Xiao SUN ; Xiuping DING ; Chunyan SHI ; Huixia YANG ; Yanzhi JIN
Chinese Journal of Obstetrics and Gynecology 2016;(2):87-91
Objective To investigate the clinical effect of McDonald cervical cerclage and the affecting factors. Methods Between January 2002 to December 2013 in Peking University First Hospital we performed McDonald cervical cerclage for 116 single pregnant women. They were defined as the successful group who deliveried the live babies after 28 weeks after the cerclage and the failure group who deliveried in the second trimester. According to the surgical indications they were divided into preventive cerclage group and therapeutic cerclage group. Then we analyzed the curative effect and the affecting factors in the groups. Results (1) In the 116 cases, 12 cases (10.3%) failed, and 104 cases (89.7%) succeeded. In the successful group, 37 cases (35.6%,37/104) deliveried pretermly and 67 cases (64.4%) deliveried termly. And there were 56 cases of vaginal delivery (53.8%), and 48 cases (46.2%) of cesarean section. (2) Among the 116 cases, 48 cases (41.4%) were included in prophylactic cerclage group, the gestational age was (16.3± 2.2) weeks, 68 (58.6%) cases were included in therapeutic group, the gestational age was (24.0±2.2) weeks. The operation time was (22±9) minutes in preventive group and (24±13) minutes in therapeutic group,there was no statistical difference between the two groups (P>0.05). Live-birth rate between preventive cerclage group and therapeutic cerclage group was no statistically significant difference (P>0.05). The term birth rate (72.9%, 35/48) in preventive group was higher than that in therapeutic group (47.1%, 32/68), the difference was statistically significant (P<0.01). Neonatal hospitalization rate was lower in preventive group (14.6%, 7/48) than therapeutic group (36.8%, 25/68) , the difference was statistically significant (P< 0.01). (3) In the failure group placental pathology was examed in 7 cases. The placental tissue showed a large number of neutrophils infiltrating in 6 cases (6/7). In the successful group, 27 pregnant women deliveried between 28 to 33+6 weeks (26.0%,27/104), 10 pregnant women deliveried between 34 to 36+6 weeks 10 cases (9.6%, 10/104), 67 cases deliveried after 37 weeks (64.4%, 67/104). A lot of factors including maternal age, the previous cervix operation history, perioperative application of progesterone, operation time and preoperative invasive procedure were compared between the successful group and the failure group. Only maternal age and preoperative invasive proedcure were statistically significant (P<0.05) and the others had no statistical significance (P>0.05). (4) There were 68 cases in the therapeutic group, 7 cases failed, and 61 cases succeeded;the preoperative cervical os in failure group [ (21 ± 20) mm] was wider than that in successful group [(14±5) mm], the difference was statistically significant (P<0.05);and preoperative vaginal ultrasound measurement of cervical canal length were (18 ± 8) mm versus (19 ± 10) mm, there was no statistically significant difference (P>0.05). Conclusions The McDonald cervical cerclage for cervical incompetence is a simple, safe and high successful rate of intervention measures. The term labor rate of prophylactic cervical cerclage was higher than that of the therapeutic cerclage. Older maternal age and preoperative invasive procedure may be the risk factors for cerclage. The infection may play an important factor leading to the failure of McDonald cervical cerclage.
8.Platelet-rich fibrinversus collagen membrane in the repair of gingival defects
Lu DONG ; Qiong XIAO ; Qinqiu YANG ; Yong SUN ; Hongliang CHEN
Chinese Journal of Tissue Engineering Research 2016;20(16):2340-2346
BACKGROUND:Previous studies have found that platelet-rich fibrin has a good ability to induce gingival soft tissue repair and regeneration.
OBJECTIVE:To observe the effects of platelet-rich fibrinversus colagen membrane on gingival soft tissue healing, and to evaluate the ability of platelet-rich fibrin to repair gingival defects.
METHODS:Twenty-two patients (2 premolar teeth and 20 molars) scheduled for premolar or molar removal or ridge preservation due to various reasons were selected and randomized into two groups. Bio-Oss was implanted into the extraction socket folowed by covering with platelet-rich fibrin or colagen membrane. Healing time and healing rate of gingival defects were detected to evaluate the ability of platelet-rich fibrin to promote gingival tissue healing at 1-2 weeks after Bio-Oss implantation.
RESULTS AND CONCLUSION:The healing time was (12.17±2.25) days in the platelet-rich fibrin group and (17.30±2.58) days in the colagen group. The healing rate of the platelet-rich fibrin group was notably higher than that in the colagen membrane group at 1 and 2 weeks after Bio-Oss implantation. These findings indicate that platelet-rich fibrin is better than colagen membrane to improve the healing of gingival soft tissues with a shorter healing time.
9.Study on the Influence of Humanistic Care on the Quality of Life and Negative Emotion of Patients with Liver Cancer Operation
Yali SUN ; Qigui XIAO ; Yang REN ; Yingmin YAO
Chinese Medical Ethics 2016;29(4):704-706
Objective:To explore the effect of humanistic care on the quality of life and the negative emotion of patients with liver cancer operation. Methods: A total of 577 patients with liver cancer surgery were selected to participate in this study from January 2014 to December 2015 . From January 2014 to December 2014 , 288 cases of liver cancer patients were given routine nursing care as the control group. From January 2015 to December 2015, 289 patients were given humanistic care nursing as experimental group. The emotion of depression and anxiety were evaluated using Self-rating Depression Scale and Self-rating Anxiety Scale, the quality of life was evaluated with the core scale of life quality measurement system for cancer patients, while sleep quality with the Pittsburgh Sleep Quality Index. Results:Both depression and anxiety score of the subjects in experimental group were lower than those in the control group(P<0. 05). Physical function, cognitive function, social function, emotional function, role function, and overall health status of the subjects in the experimental group were higher than those in the con-trol group (P<0. 05), while pain, tiredness, nausea, vomiting, shortness of breath, insomnia, diarrhea, loss of appetite, constipation, economic difficulties and other score were statistically lower than those in the control group (P<0. 05). The subjects′quality of life of in the experimental group was better than those in the control group(P<0 . 05 ) , but the sleep index score was lower in the experimental group ( P<0 . 05 ) . Conclusion: Humanistic care nursing can effectively reduce the negative emotions of patients with liver cancer surgery, and thus to improve the quality of life.
10.Establishment of a rabbit model of oral soft tissue defects
Qinqiu YANG ; Lu DONG ; Qiong XIAO ; Hongliang CHEN ; Yong SUN
Chinese Journal of Tissue Engineering Research 2016;20(18):2684-2689
BACKGROUND: In clinical, the research on the method and the material of the soft tissue defect of the operation area has been in depth. It wil have a positive impact on our exploration and research in this field through the establishment of reliable experimental animal oral soft tissue defect model. OBJECTIVE: To establish a rabbit model of oral soft tissue defects for oral treatment of soft tissue defects in-depth study. METHODS: Eighteen 3-month-old male New Zealand rabbits were enrol ed. A tissue ring cutting dril of 5 mm diameter was used to prepare round ful -thickness soft tissue defects in the front part of the hard palate and, respectively, from the back of the maxil ary incisors, about 2 mm from the hard palate mucosal edge. Morphology and histology were observed at 3, 7, 14, 21, 28 and 56 days after model establishment. RESULTS AND CONCLUSION: (1) Morphological observation: After 3 and 7 days, the wound’s inflammatory reaction was obvious. As the time goes, the inflammatory response subsided, the wound gradual y healed. Scar formation was observed at 21, 28 and 56 days after surgery. (2) Histological observation: 3 and 7 days after injury, many inflammatory cel s were infiltrating, and tissue necrosis area was larger. At 7 days after surgery, with the extensive formation of connective tissue proliferation and new blood capil aries, the wound gradual y shaping completely. (3) Results indicated that a rabbit model of oral soft tissue defects was successful y established, which was in line with the physical laws of wound healing and the characteristics of human oral soft tissue defects healing.