Endometrial Hyperplasia ; genetics ; pathology ; Female ; Genital Neoplasms, Female ; genetics ; pathology ; Humans ; Tandem Repeat Sequences ; Uterine Cervical Neoplasms ; etiology

BACKGROUND:Implanted site and direction of miniscrew implants, post-implantation movement of implants, contact between tooth and implant after tooth movement al can cause root damage.
OBJECTIVE:To investigate the changes of the root surface, periodontal tissue and osteoprotegerin expression in the periodontal tissue at periods of time after miniscrew implant loading.
METHODTwo beagle dogs were selected. For each dog, miniscrews were implanted into the labial alveolar bone near the roots of the maxil ary second, third, and fourth premolars and the maxil ary second, third, and fourth premolars and first molar. Fourteen miniscrew implants were in one dog, including six in the maxil ary and eight in the mandible;two miniscrews of the maxil ary acted as control group with no loading, and the rest miniscrews were as experimental group under orthodontics force. Two weeks after miniscrew implantation, 150 g force was loaded between two miniscrews with nickel-titanium closed-coil springs. The dogs were sacrificed after miniscrews loading 4 and 8 weeks respectively, the teeth were cut completely with alveolar bone tissue and decalcified to make the histological specimen. The histological changes of the root and periodontal tissue were observed by hematoxylin-eosin staining and expression of osteoprotegrin in the periodontal ligament was also inspected by using immunohistochemistry.
RESULTS AND CONCLUSION:When the miniscrews were adjacent to the roots, absorption lacuna occurred in the alveolar bone;after horizontal force was loaded opposite to the roots, alveolar resorption became much more animate. When the miniscrews contacted with the pericementum, some areas of the cement absorbed seriously and even reached the dentin;when sustaining pressure from the miniscrews, the whole layer of the cement absorbed and the dentin was exposed and began to be absorbed. The osteoprotegrin in the periodontal ligament of control group expressed sharply and its expression was notable at 8 weeks;while the osteoprotegrin of experimental group weakly expressed at 8 weeks, and there was significant divergence between control group and experimental group at 8 weeks (P<0.01). The roots and periodontal tissue were al damaged variously after miniscrew implantation adjacent to the roots. When horizontal orthodontic force was loaded opposite to the roots, the expression of osteoprotegrin was influenced slightly;as the loading period prolonged, pressure dramatical y restrained the expression of osteoprotegrin. When discovering the miniscrew implant adjacent to roors, the miniscrew implant anchorage should not be used to load orthodontical force opposite to the roots but ought to be removed in order to leave the root repair autonomously and avoid further damage.

Chemotherapy is the basic therapy in non small cell lung cancer, but combined chemotherapy has a response rate that still remains in the range of 30%-40%. Resistance of cancer cells to the anti tumor drugs is the main factor that reduces the efficacy of the chemotherapy. The mechanism of the drug resistance of lung cancer cells is very complex involving changes of drug resistance gene MDR1, MRP, LRP,GST, change of quality and quantity of toposomerase Ⅱ, ? tubulin gene mutation and fibroblast growth factor. Prospective measurement of the molecular marker as a guide for clinical chemotherapy is a key factor that can facilitate the individualization of the regime and thus increase the response rate.

Objective:To test the validity and reliability of BSRI (Bem Sex Role Inventory) in Chinese culture Method:340 undergraduates from three universities in two cities were collected as the subjects They all completed the BSRI Item analysis and factor analysis were done followed by item revision making the inventory more suitable to Chinese culture Result:The new brief scale was composed of 14 masculine items and 12 feminine items The reliability and validity were improved after the revision Conclusion:The new brief scale is more suitable to Chinese culture

OBJECTIVE:To discuss the problems of humanistic concern in pharmaceutical care so as to pay more attention to it.METHODS:To analyze and discuss current situation and obstacles of pharmaceutical care in China from humanistic perspective.RESULTS & CONCLUSIONS:Pharmaceutical care involving natural science,literal art and humanities belongs to public welfare. "Patients-centered" service mode requires humanistic pharmaceutical care and pharmacists to not only improve professional knowledge and technology but also culture humanistic quality.

Objective To explore changes of risk factors between premenopausal and postmenopausal female patients with coronary heart disease (CHD). Methods A total of 283 female patients were divided into CHD group (n=154) and con?trol group (n=129) according to whether they suffered from CHD or not. Patients were further stratified into two groups accord?ing to menopausal situation:premenopausal group (n=78, including premenopausal CHD group of 34 cases and premenopaus?al control group of 44 cases) and postmenopausal group (n=205, including postmenopausal CHD group of 120 cases and post?menopausal control group of 85 cases). Clinical data of age, body mass index (BMI), medical history and menses situation were recorded. The levels of cholesterol (CHO), triglycerides (TG), high density lipoprotein cholesterol (HDL-C), low density lipo?protein cholesterol (LDL-C), very low density lipoprotein cholesterol (vLDL-C), apolipoprotein AI (ApoAI), apolipoprotein B (apoB), lipoprotein a (Lpa), homocysteine (HCY) and high-sensitive C-reactive protein (hsCRP) were also detected. Results There were significantly higher levels of age, CHO, TG, LDL-C, vLDL-C, Lpa, ApoB, hsCRP, and the ratio of hypertension history, diabetic history, coronary heart disease family history in CHD group than those of control group. The level of HDLc was significantly lower in CHD group than that of control group. The ratio of hypertension history, diabetic history and levels of CHO, TG, LDL-C, vLDL-C, Lpa, ApoB, hsCRP were significantly higher in both premenopausal and postmenopausal CHD groups than those of their control groups. The level of HDL-C was significantly lower in postmenopausal CHD group than that of postmenopausal control group (P<0.05). Hypertension history, diabetic history and LDL-C were the independent risk fac?tors of premenopausal CHD. Hypertension history, diabetic history and CHO were the independent risk factors of postmeno?pausal CHD, and HDL-C was the protecting factor of CHD. The ratio of hypertension history, the level of CHO and LDL-C were significantly higher in postmenopausal CHD group than those of premonopausal CHD group. Conclusion The abnor?mal blood pressure level and dyslipidemia are more prevalent in postmenopausal female patients with CHD than premeno?pausal female patients. We should control these risk factors to improve the prognosis.

Thyroid-stimulating hormone receptor(TSHR)is an important autoantigen whose cleavage and shedding can induce autoimmunity.The TSHR is the main functional receptor of the thyroid.The shedding of the ? subunit plays an important role in the forming of TSAb and balancing between TSAb and TBAb.Research on the cleavage and shedding of the TSHR extracellualar domain helps to gain a deep insight into the structure and function of TSHR,illuminate the pathogenesis of autoimmune thyroid disease and find out a new therapy.The structure of TSHR,the mechanism and the significance of its cleavage and shedding are reviewed in this article.

Objective To optimize the method and condition s for the extraction process of Fushuning Granules.Methods Different factors and levels were in vestigated by orthogonal design wit h yields of oleanolic acid and tanshi noneⅡ A as the markers.The yields of effective com ponents by percolation and reflux we re compared.Results The extraction ratio by re-flux was higher than that by percolation.The primary factors influencin g extraction ratio by reflux were the pulverization degree of medicinal materials,concentration of alcohol,refluxing times and refluxing perio d.Conclusion The opti-mum extraction process was:refluxing and extracting the pulverized med icinal materials for 3times(1hours each time )with 6-fold 90%alcohol added in the f irst time and then 5-fold in the secon d and the third time.

Objective To explore the effect of advanced glycation end products(AGEs) on the oxidative stress in porcine vascular endothelial cells(PIECs). Methods After being intervened by AGEs for some time,cell viability was detected by MTT.2′,7′-dichlorofluorescein diacetate(DCFH-DA) was used as a reactive oxygen species(ROS) capture agent.The fluorescent intensity of 2′,7′-dichlorofluorescein(DCF),which was the product of cellular oxidation of DCFH-DA,was detected by flow cytometry,and the level of ROS was thus measured. Results Viability of PIECs was inhibited by AGEs in a dose-and time-dependent fashion(P