1.Progress on serum tumor biomarkers of endometrial carcinoma
Journal of International Oncology 2014;41(5):364-367
Serum tumor biomarkers are significant for the early diagnosis and treatment,preoperative evaluation,prognosis prediction and relapse surveillance of endometrial carcinoma.Recently,serum CA125 and human epididymal secretory protein 4 are widely recognized as closely related with staging,metastasis and prognosis of endometrial cancer.In addition,the serum miRNAs are characterized by their features of high stability and specificity.Omics studies will be helpful for the general assessment of the initiation and progression of endometrial cancer.Insights into these two aspects will facilitate the identifications of new biomarkers with higher sensitivity and specificity for endometrial carcinoma.
2.Clinical outcomes of unrestricted application of domestic Sirolimus-eluting stent
Xin CHEN ; Shuzheng LU ; Yundai CHEN
Chinese Journal of Interventional Cardiology 2003;0(06):-
Objective To ivestigate the clinical outcomes of domestic Sirolimus-eluting stents(Partner stents)in unselected patients.Methods We reviewed the clinical data of 516 patients who had implanted the Paterner stents during August 2006 to Dotober 2007.We followed up all the patients by telephon or by clinical visits for(9?2)months.The incidence of MACE and the result of follow up angiogram was analysed.Further investigation was made in the relation between the restenosis rate and lesion morphorlogy.Results A total of 872 Partner Stents were implanted successfully in 516 patients.Among them,482 patients(93.4%)finished the clinical follow up and 239 patients(46.3%)received follow up angiogram.The MACE rate was 3.5% and the restenosis rate was 11.3% as share in angiogram.A 14% of the patients with reslenosis was concomitant with diabetes mellitus.We analysised the rate of restenoses of left main,bifurcation,chronic total occlusion,diffuse disease,in-stent restenoses,littile vessal,acute occlusion,ostial lesions,and just A-just lesion.Conclusion Implantation of domestic Partner stent was safe and effective,even in patients with diabetes mellitus.The MACE rate was low and the stent has shown satisfactory ontcomes in lesions such as left main,bifurcation,chronic total occlusion,diffuse disease,in-stent restenoses,littile vessal,acute occlusion,ostial lesions,and A-type lesion.
3.Effects of substance P on anoxia/reoxygenation injury to cardiomyocytes of neonatal rats
Xin ZHAO ; Lu CHEN ; Zheng GUO
Chinese Journal of Anesthesiology 2014;34(7):873-875
Objective To investigate the effects of substance P on anoxia/reoxygenation (A/R) injury to cardiomyocytes of neonatal rats.Methods Cardiomyocytes of neonatal rats were isolated from Sprague-Dawley rats,aged 1-3 days,and were cultured in 6-well plates for 72 h.The cardiomyocytes were then assigned into 4 groups (n =3 each) using a random number table:control group (group C),A/R group,substance P group (group SP) and substance P + D-SP group (group SP + D-SP).The cells were cultured routinely for 6 h in group C and the cells were exposed to 99.9 % N2 in an incubator at 37 ℃ for 3 h followed by reoxygenation for 2 h in the other groups.The cells were incubated with substance P with the final concentration of 10-7 mol/L for 1 h before anoxia in group SP.The cells were incubated for 1 h with substance P with the final concentration of 10-7 mol/L and D-SP (a specific antagonist of neurokinin-1 receptor) with the final concentration of 10-6 mol/L before anoxia in group SP + D-SP.The apoptosis rate and lactate dehydrogenase (LDH) activity were detected at the end of reoxygenation using TUNEL assay and LDH assay kit,respectively.Results Compared with C group,the apoptosis rate and LDH activity were significantly increased in A/R,SP and SP+ D-SP groups.Compared with A/R group,the apoptosis rate and LDH activity were significantly decreased in SP and SP + D-SP groups.Compared with SP group,the apoptosis rate and LDH activity were significantly increased in SP + D-SP group.Conclusion Substance P can attenuate A/R injury to cardiomyocytes of neonatal rats,and activation of neurokinin 1 receptors is involved in the mechanism.
5.Effect of calcitonin gene-related peptide on anoxia-reoxygenation induced injury to neonatal rat cardiomyocytes incubated in high glucose medium
Lu CHEN ; Xin ZHAO ; Zheng GUO
Chinese Journal of Anesthesiology 2014;34(10):1185-1188
Objective To evaluate the effect of calcitonin gene-related peptide (CGRP) on anoxiareoxygenation (A/R)-induced injury to neonatal rat cardiomyocytes incubated in high glucose medium.Methods Cardiomyocytes were obtained from 1-3-day old Sprague-Dawley rats and cultured in the culture medium containing 15% bovine calf serum and then seeded onto 6-well plates at a density of 10 × 105/ml (3 ml/well).The cells were randomly divided into 5 groups (n =9 each):normal glucose medium control group (NG group),high glucose medium group (HG group),high glucose medium + A/R group (HG+ A/R group),high glucose medium + A/R + CGRP group (HG + A/R + CGRP group),and high glucose medium + A/R + CGRP+ CGRP8-37 group (HG + A/R + CGRP + CGRP8-37 group).The cells were incubated in normal glucose (5.5 mmol/L) medium for 72 h in NG group.In HG group,the cells were incubated in high glucose (25.0 mmol/L) medium for 72 h.In HG + A/ R group,the cells were incubated in high glucose medium for 72 h and then exposed to 3 h of anoxia followed by 2 h of reoxygenation.In group HG + A/R + CGRP,the cells were incubated in high glucose medium for 72 h,CGRP (final concentration 10-8 mol/L) was then added to the culture media and the cells were incubated for 1 h and then underwent A/R.In HG + A/R + CGRP + CGRP8-37 group,the cells were incubated in high glucose medium for 72 h,CGRP (final concentration 10 8 mol/L) was then added to the culture media and the cells were incubated for 1 h and then underwent A/R.In HG + A/R + CGRP + CGRP8-37 group,the cells were incubated in high glucose medium for 72 h,CGRP8-37 (final concentration 10-8 mol/L) and CGRP8-37 (CGRP receptor antagonist,final concentration 10-7 mol/L) was then added to the culture media and the cells were incubated for 1 h and then underwent A/R.Apoptosis in cardiomyocytes was detected using TUNEL and apoptosis index (AI) was calculated.The lactate dehydrogenase (LDH) activity in the culture medium was analyzed.Results AI and LDH activity were significantly higher in HG group than in NG group,and in HG + A/R group than in HG group.Compared with HG + A/R group,AI and LDH activity were significantly decreased in HG + A/R + CGRP group,while no significant changes were found in HG + A/R + CGRP + CGRP8-37 group.Compared with HG + A/R + CGRP group,AI and LDH activity were significantly increased in HG + A/R + CGRP + CGRP8-37 group.Conclusion CGRP attenuates A/R-induced injury to neonatal rat cardiomyocytes incubated in high glucose medium via combing with CGRP receptor.
6.Spinal Decompression System for Patients with Lumbar Disc Herniation
Xin CHEN ; Shurong CHEN ; Lin SONG ; Huiping LU ; Shu JIANG
Chinese Journal of Rehabilitation Theory and Practice 2013;19(12):1177-1179
Objective To explore the effect of spinal decompression system on lumbar disc herniation. Methods 83 patients of lumbar disc herniation were divided into observation group (n=42) and control group (n=41). Both groups received massage therapy, while the observation group was treated with spinal decompression system in addition. The effect was evaluated with Visual Analogue Scale (VAS) and Japanese Orthopedic Association (JOA) assessment of low back pain. Results The VAS score decreased and the JOA score increased in both groups after treatment (P<0.05), and it was better in the observation group than in the control group (P<0.01). Conclusion Spinal decompression system could improve the therapeutic effect on lumbar disc herniation.
7.The effects of health education and comprehensive lifestyle modification on postmenopausal osteoporosis women treatment with alendronate sodium
Hua LIN ; Xin CHEN ; Xiufen ZHU ; Lu FAN ; Qiuhua WU
Chinese Journal of Health Management 2011;05(1):2-5
Objective To evaluate the effects of an intervention programme of health education and life style modification on postmenopausal osteoporosis women. Methods A total of 120 postmenopausal osteoporosis women were enrolled in this one-year randomized controlled follow-up study and assigned to the intervention group ( Group A, n = 60) or the control group ( Group B, n = 60). Both groups were treated with alendronate sodium. In Group A, education program was performed once a season in the form of face-to-face consultation or group session. In Group B, no additional intervention was used. The primary outcome was patients' compliance in follow-up. The secondary outcomes were change in bone mineral density (BMD).BMD was measured by dual-X-ray absorptiometry (DXA) on lumbar spine and hip at baseline and 12 months after the intervention. Results After one-year intervention,51 subjects in Group A and 38 in Group B completed the follow-up. Groups A showed better compliance. BMD on lumbar spine and hip was significantly increased in both groups when compared with baseline. The changes of BMD on lumbar (0.042+0.067 vs 0.026±0.070,P=0. O29) or Words region (0.029 +0. 129 vs 0.023±0. 143,P=0. 041 ) showed statistical significance between the two groups. Conclusion For alendronate sodium treatment, health management ensures the effectiveness of the therapy and improves the compliance of the patients.
8.Rehabilitation of the front palate fistula with adjuvant derma transplantation in Japanese big ear rabbits
Mingxing LU ; Liping HU ; Fei CHEN ; Xin TONG
Journal of Practical Stomatology 2009;25(4):517-520
Objective: To study the rehabilitation efficiency of adjuvant derma transplantation in treatment of front palate fistula. To find a better way to solve the problem of correcting the front fistula in short of the nearby tissue. Methods: Established the front fistula model in the oral and nasal cavity in the front of the palate with surgery. 30 Japanese big ear rabbits were divided into 2 groups. One month after operation, 15 rabbits were operated with the nearby tissue into the inner of nasal cavity and by transplanting their back skin while the others were treated only with the nearby tissues. The rehabilitation process and the histological changes of the palate were observed. Results: All dermal flaps survived after transplantation. This surgical method got a satisfying effect(P<0.05). The rate of success for correcting with single nearby tissues was lower. Conclusion: Adjuvant derma transplantation for rehabilitation of the front palate fistula is effective and reliable in the rabbits. The combination of the nearby tissue and homeochronous derma transplantation might be a good mode for correcting the front fistula in short of the nearby tissues.
9.A case of thyrotropin-secreting pituitary adenoma treated with long-acting octreotide formulation
Xiaoping CHEN ; Xin WANG ; Xiaoyan XING ; Yi LU ; Guangwei LI
Chinese Journal of General Practitioners 2011;10(8):581-583
A 56-year-old man with 1-year history of palpitation, heat intolerance and sweating, was diagnosed as thyrotropin (TSH) -secreting pituitary adenoma based on the symptoms of hypermetabolism, enlarged thyroid gland, inappropriately increased serum TSH concomitantly elevated plasma thyroid hormones and a pituitary tumor demonstrated on magnetic resonance imaging. Long-acting octreotide formulation was administered at a dose of 20 mg intramuscularly. Tumor volume shrinkage and improvement of thyroid function was achieved after a single drug injection; and the thyroid function returned to normal in 28 days. It is suggested that long-acting octreotide formulation might be used as a routine therapeutic approach prior to pituitary surgery, which may enhance the effectiveness of surgery and postoperative recovery.
10.Effect of angiotensin II on insulin secretion function of RIN-m cell and its mechanism
Xin LU ; Hua ZHANG ; Jun Lü ; Hong CHEN ; Dehong CAI
Chinese Journal of Endocrinology and Metabolism 2010;26(3):221-224
Objective To investigate the effect of angiotenisn ⅡI (Ang Ⅱ) on RIN-m β-cell,and to explore the mechanism of β-cell function impairment caused by Ang Ⅱ.Methods RIN-m cells were cultured with various concentrations of AngⅡ (0.1,1,10,100 nmol/L).After incubation for 24 hours,the basal(3.3 mmol/L) and glucose-stimulated(16.7 mmol/L) insulin secretion(GSIS)were detected by radioimmunoassay,mRNA and protein expressions of uncoupling protein 2(UCP2)were determined by RT-PCR and Western blot,respectively.The intracellular ATP content was measured by luciferase bioluminescence.The mitochondrial membrane potential and cellular Ca~(2+) concentration were detected by flow cytometry.Results (1) Various concentrations of Ang Ⅱ had no significant influence on the basal insulin secrection of RIN-m cell(F=0.644,P = 0.634).Except for 0.1 nmol/L AngⅡ,the other concentrations of Ang Ⅱ markedly reduced GSIS of RIN-m cells(F= 118.528,P = 0.000).(2) Compared with the control group,Ang Ⅱ significantly increased mRNA and protein expression of UCP2(F= 1 370,P = 0.000;F=675.175,P = 0.000).(3)Except for 0.1 nmol/L Ang Ⅱ,the other concentrations of Ang Ⅱ significantly decreased the mitochondrial membrane potential,cellular ATP content,and cellular Ca2+ concentration of RIN-m cell(F=4.035,P=0.008;F=3.353,P = 0.013;F=5.867,P = 0.001).Conclusion Ang Ⅱ impairs GSIS of p-cell,the mechanism of impairment may be interpreted that Ang Ⅱ can increase the expression of UCP2,furthermore,it can reduce mitochondrial membrane potential,decrease the content of cellular ATP and the concentration of cellular Ca~(2+),can finally impair the function of β-cell.