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排序方式: 共有102条查询结果,搜索用时 218 毫秒
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Mallikarjun Bidarimath Kasra Khalaj Jocelyn M Wessels Chandrakant Tayade 《Cellular & molecular immunology》2014,11(6):538-547
MicroRNAs (miRNAs) are a recently discovered class of non-coding RNAs that are expressed in many cell types, where they regulate the expression of complementary RNAs, thus modulating the stability and translation of mRNAs, miRNAs are predicted to regulate the expression of -50% of all protein coding genes in mammals. Therefore, they participate in virtually all cellular processes investigated so far. Altered miRNAs expressions are associated with both physiological (pregnancy) and pathological processes (cancer). As the dynamic maternal-fetal interface plays a critical role in the maintenance of successful pregnancy, it is not surprising that the miRNAs that are unique to reproductive tissues are abundantly expressed. Research in this field has demonstrated the presence and dysregulation of a distinct set of pregnancy-associated miRNAs; however, most studies have centered on localizing various miRNAs in reproductive microdomains associated with normal or complicated pregnancies. Although several independent miRNA regulatory mechanisms associated with endometrial receptivity, immune cells, angiogenesis and placental development have been studied, miRNA-mediated regulation of pregnancy remains poorly understood. This review provides a summary of the current data on miRNA regulation as well as functional profiles of miRNAs that are found in the uterus, in immune cells associated with maternal tolerance to the fetus, and those involved in angiogenesis and placental development. 相似文献
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B. Pavan Kumar K. A. Jeevan Kumar V. Venkatesh A. P. Mohan K. Ramesh K. Mallikarjun 《Journal of maxillofacial and oral surgery》2015,14(3):799-807
Purpose
The purpose of this study was to evaluate the efficacy and comparison between 2.0 mm locking plate system and 2.0 mm Champy’s titanium mini plating system in mandible fractures.Materials and Methods
A total of 20 patients with mandibular fractures were selected and divided into two groups A and B on randomized basis. Group A was treated with open reduction internal fixation using 2.0 mm locking plates and group B with 2.0 mm Champy’s titanium miniplates. All patients were followed up for 12 weeks postoperatively.Results
Results of the study show less screw loosening, less precision in plate adaptation and less alteration of the osseous or occlusal relationship upon screw tightening in group A. Chi square test was applied to compare the results between the two groups. Statistical analysis did not show significant difference of incidence of malocclusion between the two groups (p value = 0.606). Statistical analysis using un-paired t test showed significant difference of working time between the two groups (p value = 0.00296). When comparing the overall complication rates according to plates used, the χ2 test showed no statistically significant difference between the locking and nonlocking plates (p > 0.05).Conclusion
It is observed in our study that the locking plate/screw system offers significant advantages over the conventional plating system. The precise adaptation required for using conventional plates is not needed when this locking plate/screw system is used. Locking plate/screw system provides better stability than the conventional plate/screw system. 相似文献6.
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The resuscitation of a 21-year-old man after submersion in fresh water for at least 5 min is described. On admission to hospital the patient appeared dead with fixed dilated pupils, deep cyanosis and asystole. Twenty min later the patient was transferred to the intensive care unit with a recordable blood pressure. On arrival there he was breathing spontaneously and so was not ventilated. A few hours later he developed pulmonary oedema and died. 相似文献
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Hegde U Rajapurkar M Gang S Khanapet M Durugkar S Gohel K Aghor N Ganju A Dabhi M 《Seminars in dialysis》2012,25(1):97-104
Atherosclerotic renal artery stenosis (ARAS) is an important cause of kidney disease, accelerated hypertension (HTN), and its treatment is controversial. Our aim was to evaluate the outcomes, safety, and efficacy of percutaneous transluminal angioplasty (PTA) for ARAS. Retrospective analysis of ARAS was performed among 470 angiographies during 1995–2010. Patients with nonatherosclerotic RAS and renal transplant were excluded. We assessed preintervention and postintervention mean arterial pressure (MAP), antihypertensive medications, and renal function to classify as deteriorated (>10% increase in MAP/increase in drugs/>20% reduced GFR), improved (>10% reduced MAP/reduced drugs/>20% increased eGFR), or stabilized (<10% change in MAP/same antihypertensive drugs/<20% change in eGFR) at last follow‐up. A total of 220 subjects with mean age of 57.6 ± 10.4 years underwent PTA and/or stenting. The average follow‐up was 23.07 ± 21.2 months. Accelerated HTN, HTN onset >50 years, unexplained renal failure, and unilateral small kidney were the most common presentations. In all, 255 significant stenotic lesions in 220 patients (119 unilateral, 66 single functioning kidney, and 35 bilateral) were observed. In total, 255 PTA were performed, including 177 stenting. Technical success was seen in 220/243 (90.5%) subjects. Combined MAP and antihypertensive drugs improved in 154/220 (70%) patients. Renal function improved/stabilized in 175/220 (79.5%). Angioplasty and stenting are relatively safe and feasible tools for control of blood pressure (BP) in ARAS. Angioplasty produced improvement/stabilization of BP in 70%, and the renal function in 79.5% subjects. 相似文献
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