Objective To explore a new bio-dynamic differential equation to establish gene regulatory network based on the time-space of gene expression.Methods According to bio-dynamic competitive model and differential equation,a new time-space Lotka-Volterra differential equation was established and was applied to time-order expression data.Results The model was applied to set up the regulation network of yeast genes.The regulatory relation was found and compared with the experiment results.Conclusion The results from the new model were almost consistent with the real situation.So this model can remedy the shortage of other models.It's a new valuable differential equation model.

Objective To investigate the variation of corticotropin-releasing hormone(CRH)in plasma,the mRNA and protein expression of c-Fos and gap junction gene connexin-43(Cx43)in the myometrium of term pregnancy women,and to study the correlations among CRH,Cx43 and c-Fos at onset of labor.Methods 30 cases in labor(L group),30 cases not in labor(NL group)but in term pregnancy, and 30 cases of non-pregnant(NP group)women undergoing hysterectomy due to cervical intraepithelial neoplasia were recruited into this clinical study.Radioimmunoassay was employed to measure the concentration of CRH in plasma;in situ hybridization assay and streptravidin-biotin peroxidase(SP) immunohistoehemical techniques were respectively used to detect the expression levels of c-Fos mRNA,Cx43 mRNA and the corresponding proteins.Results(1)The concentration of CRH in L group(81.8?11.9) pmol/L was significantly higher than that in NL group(34.5?18.6)pmol/L(P

Antineoplastic Combined Chemotherapy Protocols ; administration & dosage ; Carcinoma, Non-Small-Cell Lung ; drug therapy ; Humans ; Lung Neoplasms ; drug therapy

0.05.The neuronal necrosis area in group A are significantly higher than group B and C [(1.8?0.7)vs(0.9?0.4)and(0.6?0.3),both are P0.05.The neuronal necrosis area and the level of NSE in fetus were positively correlated with each other,r=0.798,P0.05.The volume of mitochondria of nerve cells in group A and B are significantly higher than that of group C [(7.0?1.8)?10~(-4)?m~3 and(5.7?1.6)?10~(-4)?m~3 vs(3.2?1.2)?10~(-4) ?m~3,both are P0.05). Conclusions There is apparente pathological change of fetal rats brain in cholic acid groups,the neuronal degeneration and the mitochondria swelling was mainly found in low cholic acid group,the neuronal necrosis and the mitochondria decrease was mainly found in high cholic acid group.The serum concentration of TBA and NSE in fetal rats were positively correlated with each other.

Yersinia enterocolitica,which is pertaining to pathogenetic Yersinia,is a human and animal pathogen found in most countries of the world.The microorganism is widely distributed in nature in aquatic and animals.It is transmitted through the respiratory tract or digestive tract.The epidemical seasons are mainly autumn and winter.Within a broad spectrum of clinical diseases,gastroenteritis is commonly encountered.To detect Yersinia enterocolitica,molecular biological method is the highest sensitive and special.

Aged ; Female ; Humans ; Lymphohistiocytosis, Hemophagocytic ; virology ; Orthobunyavirus ; classification

Objective:To observe different effects of moxibustion at Zusanli (ST 36) and Yanglingquan (GB 34) on electrogastrogram (EGG) of patients with functional dyspepsia (FD). Methods:A total of 65 cases were randomized into a Zusanli (ST 36) group (n=33) and a Yanglingquan (GB 34) group (n=32) by random serial number, to receive moxibustion therapy to the corresponding point respectively. The 8-lead EGG was used before and after treatment to collect EGG parameter of the gastric body, antrum of stomach, lesser curvature and greater curvature, including the dominant frequency, slow wave percentage, average frequency, response area and motility index. Results:After treatment, the dominant frequency and slow wave percentage were improved in nearly the whole stomach area in Zusanli (ST 36) group, showing statistical significances (bothP<0.05); the slow wave percentage and average frequency were improved in stomach body and antrum of stomach in Yanglingquan (GB 34) group, showing statistical significances (bothP<0.05); moxibustion at Zusanli (ST 36) had a significantly higher influence on EGG than Yanglingquan (GB 34) , in which the lifting of slow wave percentage was significantly higher than Yanglingquan (GB 34) group (P<0.05). Conclusion: Moxibustion at Zusanli (ST 36) and Yanglingquan (GB 34) has the effect of adjusting abnormal EGG pattern in FD patients. Compared with Yanglingquan (GB 34), Zusanli (ST 36) has a superior effect in improving EGG in stomach area.

BACKGROUND: Bag-1 is a multifunctional and anti-apoptotic gene. Its anti-apoptotic ability is enhanced when binding to bcl-2 to form a complex.Now it is considered as a predictive biomarker for the early diagnosis of breast cancer. However, whether it is useful in the assessment of the prognosis of breast cancer is still elusive.OBJECTIVE: To explore the expression of bag-1 in breast cancer and its role for prognosis.DESIGN: A controlled study with breast cancer, benign breast tumor and normal breast tissues as subjects.SETTING: The Vascular and Endocrine Surgery Department of Xijing Hospital of the Fourth Military Medical University of Chinese PLA.MATERIALS:Totally 100 breast cancer specimens were obtained form May 1995 to May 2000. Ten benign breast tumor and 10 normal breast tissues were used as control. All the specimens were paraffin-embedded and came from the Pathological Department of Xijing Hospital Affiliated to Fourth Military Medical University of Chinese PLA.METHODS: Immunohostochemical strept avidin-biotin complex(SABC) method was adopted to detect bag-1 expression in these specimens.pression levels of bag-1.RESULTS: The positive expression rate of bag-1 in breast cancer (85%) was significantly different form those of benign breast tumor (10%) and normal breast (10%) (χ2= 29.98, P = 0.00). While the positive expression rates in breast cancer of different stages (stage Ⅰ, stage Ⅱ and stage Ⅲ ) were 88%, 82% and 88%, respectively, which has no significant difference (χ2 = 0. 61, P = 0.75) . In duct carcinoma, lobular carcinoma and special carcinoma, bag-1 positive expression rate was 86%, 85% and 80%,which was also no significantly different (χ2 =0.16, P =0.95). In the 94followed patients, the 5-year survival rate of positive bag-1 expression was 79% and that of negative bag-1 expression was just 9%. The difference was significant (χ2 = 0. 07, P = 0.04).CONCLUSION: High bag-1 expression exists in breast cancer and its level is not associated with the clinical stages or pathological types of the cancer.Therefore, bag-1 may be used as a predictive marker for the prognosis of breast cancer.

Objective To investigate the effect of one stage arterialization of posterior tibial vein in treatment of peripheral arterial extensive occlusive disease.Methods Forty-six cases(56 limbs) of patients with peripheral arterial extensive occlusive disease were treated with one stage arterialization of posterior tibial vein.Results The symptom of pain disappeared right after one stage arterialization of posterior tibial vein in all patients.Skin temperature went up.The long-term results were satisfactory during the period of 3 months to 7 years follow-up,except two limbs were amputated and two limbs were reoperated with pedicle omental transplantation.Conclusion The technique of one stage arterialization of posterior tibial vein has advantages of one-stage procedure,various indications,little influence to venous return and rapid relief of ischemic symptoms.

AIM: To observe the effect of intraocular lens ( IOL) implantation on visual acuity and contrast sensitivity in patients with cataract.
METHODS: Fifty - eight cases ( 72 eyes ) cataract patients with regular cornel astigmatism, in our hospital from May 2014 to May 2015 were randomly divided into two groups to undergo phacoemulsification and IOL implantation: the observation group: 29 cases (36 eyes) received multifocal toric IOL implantation; the control group: 29 cases (36 eyes) received monofocal toric IOL implantation. Uncorrected distance visual acuity ( UCDVA), uncorrected near visual acuity ( UCNVA), best corrected distance visual acuity (BCDVA), the best corrected near visual acuity ( BCNVA ), total eye astigmatism, and the dark contrast sensitivity were observed for these patients at 1 and 6mo after cataract surgery.
RESULTS: There were no statistical significant difference between the two groups at postoperative 1, 6mo on UCDVA, BCNVA, BCDVA and total eye astigmatism(P>0. 05). UCNVA of observation group at 1 and 6mo were better than those of control group ( P <0. 05); there were statistically significant difference in high frequency comparison at the sixth postoperative months (P<0. 05).
CONCLUSION: Both monofocal toric IOL implantation, and aspheric multifocal toric IOL implantation for cataract with regular corneal astigmatism are effective to improve visual acuity. But the latter treatment would contribute to the improvement of uncorrected near visual acuity and the dark contrast sensitivity.