MicroRNAs (miRNAs) are a class of small single-stranded and non-coding RNAs that negatively regulate gene expression at the post-transcriptional level by degradation of target mRNA or inhibition of protein translation.Recent studies have shown that miRNAs play important roles in human diseases.It is of great importance to explore the role of miRNAs in the pathogenesis,early diagnosis and new therapeutic strategies of a variety of malignant tumors,including B-cell lymphoma.This review described the biosynthesis of miRNAs,the mechanisms of miRNAs target regulation and the involvement of miRNAs in the initiation and progression of human cancers,and summarized the role of miRNAs in B-cell lymphoma.

The pathogenesis of viral myocarditis is still not fully understood so far.However,the viral damage to the myocardial cells directly and immune-mediated injury of the myocardium have been a consensus.In recent years,the genetic susceptibility in the pathogenesis of viral myocarditis has attracted more and more attention.This review summarizes the research progress of the genetic susceptibility at home and abroad.

Homing and engraftment of transplanted hematopoietic stem cells (HSCs) can directly influence the effect of the transplantation.Exploration on its spatial distribution,location and interaction with the bone marrow (BM) microenvironment is great significance.Since the BM cavity is closed and surrounded by thick compact bone,it makes a colossal challenge to track the transplanted HSCs in vivo directly.Recently,researchers used different innovative methods to observe the spatial distribution and interaction with the BM microenvironment of the transplanted HSCs.The present review summarized the progress in the HSCs transplantation.

Objective To analyze the curative effect and safety of the estrogen as an adjunctive treatment of senile vaginitis.Methods 100 patients with senile vaginitis in our hospital from June 2011 to September 2012 were divided into observation group (n =50) and control group (n =50).Observation group was given estrogen plus metronidazole and control group was given metronidazole only.Results 45 cases were cured and 4 cases had effective treatment in observation group,and 21 cases were cured and 17 cases had effective treatment in control group.The efficacy rate was 98.0％ (49 cases)in observation group versus 76.0％(38 cases) in control group (x2=11.50,P＜0.01).After the treatment,the recurrence rate was 6.1％ (3 cases)and 26.3 ％ (10 cases)in observation and control groups respectively (x2 =10.66,P＜0.05).After treatment,vaginal health scores,symptom scores of vaginitis,and vaginal PH were significantly higher in the observation group than in the control group (all P＜0.05).In addition,the improvements of signs and symptoms were significantly better in the observation group than in the control group (all P＜0.05).However,there was no significant difference in adverse reaction rate between the two groups (P＞ 0.05).Conclusions Estrogen as an adjunctive treatment of senile vaginitis has better curative effect and safety.It is worthy of generalization in clinical medicine.

emphysema(9.7%)、pneumonia(6.2%),every group has obvious difference(P

Objective Studying risk factors of carotid atherosclerosis in metabolic syndrome(MS),and the relative factors with progression of carotid atherosclerosis.Methods A total of 401 elders were included in the present study.MS was defined by the criteria of IDF(219 MS,182 NMS).All subjects were required to have blood pressure monitored.Venous blood was collected after an overnight fast.Total serum cholesterol,triglycerides,high-density lipoprotein cholesterol(HDL),low-density lipoprotein cholesterol(LDL),apolipoprotein B,lipoprotein a,high-sensitive C-reactive protein,and fasting glucose and insulin were tested;insulin sensitivity index and insulin resistant index were estimated.Uria sample was also collected to test microalbumiuria,creatine and Alb/Cr.Carotid atherosclerosis was determined by B-mode ultrasound,and number and diameter of plaques,if present,were measured to obtain an atherosclerosis score.Results The occurrence of carotid atherosclerosis was significantly higher in MS(P

Objective To investigate the role of FHIT,cyclinD1,CDK4 in NSCLC.Methods Immunochemical(S-P) was used to determined 81 cases of NSCLC.Results The postive expression rates of FHIT,cyclinD1,CDK4 were significantly different between in NSCLC and in nomal lung tisses(P

Plasma fibronectin(FN) level was measured by single radial immunod if fusion method in 58 patients with chronic Cor pulmonale during acute, remission and deterioration stages, 20 cases of chronic bronchitis, 10 cases of rheumatic heart disease, and 60 healthy people as controls.We analysed the relationship between the changes of plasma FN level and the degree of the respiratory failure, pulmonary infection and acid-base disturbance in experimental groups.The results showed that plasma FN levels of the controls, and the patients with chronic bronchitis and rheumatic heart disease were 322.4?60mg/L,263?40mg/L and 333.51 48mg/L, respectively.Plasma FN level was significantly decreased in patients with Cor pulmonale during acute stage(l46?67mg/L), gradually restored at remission stage (286?62mg/L) and markedly decreased in deterioration stage (101?39mg/L).It was ako markedly decreased in the patients with severe respiratory failure, pulmonary infection and acid-base disturbance.The authors suggest thai: placma FN may be used as a valuaole parameter to evaluate the clinical severity and prognosis of the patients with Cor pulmonale.The decrease of plasma FN level in patients with chronic Cor pulmonale may be due to its increased consumption and decreased synthesis in acute and deterioration stages.

Ghrelin is involved in the process of feeding behavior and regulation of related energy metabolism,it also modulates the secretion of gonadotropins or transmitters concerning sex hormone releasing.It is considered as the factor connecting the HPG axis and energy metabolism.Body's nutrition has a bearing upon the process of reproductive system's onset and maturation.Adequate body weight is necessary for normal puberty onset.Obese children tend to have an earlier menarche.Ghrelin may pass on the information about nutrition to the hypothamalus in puberty onset.

ObjectiveTo observe the effect of amlodipine besylate combined with benazepril in treatment of old patients with primary hypertension and left ventricular hypertrophy,and analyze the safety.MethodsOne hundred and eight old patients with primary hypertension and left ventricular hypertrophy were divided into observation group(54 cases) and control group(54 cases) by random digits table.The patients in observation group were treated with amlodipine besylate combined with benazepril and the patients in control group were only treated with amlodipine besylate.The levels of blood pressure,interventricular septal thickness(IVST),left ventricular posterior wall (LVPW),left ventricular end-diastolic dimension (LVEDD) and left ventficular mass index(LVMI) before and after treatment for 6 months were measured and compared between two groups.The adverse effects after treatment were compared too.ResultsAfter treatment,the levels of 24hSBP,24hDBP,IVST,LVPW,LVEDD and LVMI were significantly decreased in both groups (P ＜ 0.05).Moreover,the levels of 24hSBP,24hDBP,IVST,LVPW,LVEDD and LVMI after treatment in observation group were significantly lower than those in control group(P ＜ 0.05).There was 1 case ( 1.9％ ) of dry cough,2 cases (3.7％) of mild ankle edema in observation group,while only 2 cases (3.7％) of mild ankle edema in control group.There was no significant difference in adverse effects between two groups (P ＞ 0.05).ConclusionsCompared with amlodipine besylate single treatment,amlodipine besylate combined with benazepril in treatment of old patients with primary hypertension and left ventricular hypertrophy can more effectively control blood pressure and reverse left ventricular hypertrophy.The adverse effects are not increased,which can be applied in clinic.