Cardiac Resynchronization Therapy ; Humans ; Sex Factors ; Treatment Outcome

Cardiac Resynchronization Therapy ; Heart Failure ; therapy ; Humans

BACKGROUND:Although there is no report of adipose-derived stem cells in ureteral repair, but with the deepening of the research of adipose stem cells, the differentiation conditions of adipose-derived stem cells to the vascular endothelial cells, smooth muscle cells and urothelial cells are more mature, and the experimental research of adipose-derived stem cells in the repair and reconstruction of kidney and bladder is also increasing.
OBJECTIVE:To summarize the adipose-derived stem cells research and its application in damage and repair of urinary system in recent years.
METHODS:The first author retrieved PubMed database and CNKI databases for articles relevant to adipose-derived stem cells in the repair of urinary system published between January 2001 to September 2013 using the keywords of“adipose tissue-derived stem cel/adipose tissue-derived stromal cells/ADSCs;tissue engineering;kidney;ureter;ureathra;bladder;urology”in English and Chinese, respectively. Final y, 52 articles were included for further analysis.
RESULTS AND CONCLUSION:Adipose-derived stem cells which can be found easily and have the unique advantages of multi-directional differentiation ability have been used for repairing and constructing the urinary system. Adipose-derived stem cells provide a new model of treatment for the urinary tract, which solves the traditional problems, including immune rejection, source of organs and ethical issues, and become an ideal cellsource in repair of urinary system. Accumulated data related to adipose-derived stem cells and its experiment and clinical application in repair of urinary system injuries have been reported. But before the cells are widely used in clinic, the fol owing problems need to be solved:its specific surface marker identification, specific conditions and control of celldifferentiation, mechanisms of action.

Objective To construct a novel VP 1 gene vaccine against coxsackievirus B 2 and to evaluate the effect of the cell-mediated immunity induced by it.Methods The immunodominant capsid protein VP 1 gene of CVB 2 was amplified by reverse transcript polymerase chain reaction (RT-PCR) and pcDNA 3-CVB 2VP 1was constructed by molecular cloning.The cytotoxic T lymphocyte (CTL) activity was measured by standard 51Cr-release cytotoxicity assay eight weeks after BALB/c mice were immuned by pcDNA 3-CVB 2VP 1.Results The eukaryotic expression vector was pcDNA 3 and subcloning fragment was CVB 2VP 1.The CTL activity of pcDNA 3-CVB 2VP 1 group was higher than that of the control (P

The folate metabolic pathway plays important roles in cellular physiology by participating in nucleotide synthesis, DNA repair and methylation, and maintenance and stability of the genome. Methylenetetrahydrofolate reductase (MTHFR) is a key regulatory enzyme involved in folate metabolism. Polymorphisms of MTHFR may change the level of homocysteine and affect DNA synthesis and methylation, leading to an increased oxidative stress and disturbed methylation reactions and consequently affecting reproductive function. This article presents an overview on MTHFR gene polymorphisms, proposing that multicentered, large-sample and long-term prospective studies are needed to reveal the relationship between MTHFR gene polymorphisms and infertility.
DNA ; biosynthesis ; DNA Methylation ; DNA Repair ; Folic Acid ; metabolism ; Homocysteine ; metabolism ; Humans ; Infertility ; enzymology ; genetics ; Methylenetetrahydrofolate Reductase (NADPH2) ; genetics ; Polymorphism, Genetic ; Prospective Studies

Objective To investigate the effect of 20‐HETE on the isolated myocardial ischemia reperfusion injury and to ex‐plore its underlying mechanisms .Methods Experiments were performed in isolated rat hearts subjected to 35 min of ischemia fol‐lowed by 40 min of reperfusion in Langendorff preparations .HET0016 (1 μmol/L) and various concentrations (10 ,30 or 50 nmol/L) of 20‐HETE were infused 10 min before the onset of ischemia and throughout the reperfusion period .Cardiac hemodynamic changes and myocardial contractility were continuously recorded with the Powerlab /8P system .Myocardial infarct size was meas‐ured by TTC staining .The level of ROS and the protein carbonyl content were determined by DHE fuorescence and DNPH method , respectively .Results Perfusion with HET0016 significantly improved myocardial ischemia reperfusion injury reduction in cardiac contractility ,after inhibited the production of 20‐HETE significantly reduced the occurrence of myocardial infarction area (P<0 .05) ,but exogenous join 20‐HETE aggravated I/R‐induced myocardial injury (P<0 .05) .Myocardial ischemia reperfusion injury significantly increased production of ROS and oxidative stress ,both of which were significantly inhibited by HET 0016 and enhanced by 20‐HETE administration(P< 0 .05) .Conclusion 20‐HETE stimulates ROS production and enhance protein carbonylation , which aggravates myocardial ischemia reperfusion injury .

Objective To explore medical equipment support in actual combat training to improve mobile medical unit in medical service support.Methods Combined with the characteristics of actual combat training,the problems and difficulty of medical equipment support were discussed in actual combat training.Results Some measures were put forward for medical equipment support such as cherishing of medical serviceman on equipment,equipment quality control and maintenance beforeutilization,effective protection and fixation,minimization of influence of instable power supply and plan preparation for loading and transport.Conclusion The study on medical equipment support in actual combat training contributes to enhancing medical support ability of mobile medical unit.

Objective To investigate the diagnostic value of hysteroscopy in patients with abnormal uterine bleeding.Methods The clinical data of 547 cases of abnormal uterine bleeding were analyzed retrospectively.The diagnostic curettage was conducted after hysteroscopy,the specimens were examined by histopathology,the detection result of hysteroscopy and histopathological were compared.Results The sensitivity of hysteroscopy in diagnosed abnormal uterine cavity lesions was 95.83％ (161/168),the specificity was 97.63％ (370/379),the false positive rate was 2.37％ (9/379),the false negative rate was 4.17％ (7/168),the positive predictive value was 94.71％ (161/170),the negative predictive value was 98.14％ (370/377),the Jorden index was 0.934.Hysteroscopy diagnosis showed that the endometrial polyps was 54 cases,the pathological diagnosis coincidence rate was 79.63％ (43/54);93 cases of simple hyperplasia,the pathological diagnosis coincidence rate was 90.32％ (84/93);16 cases of atypical hyperplasia,the pathological diagnosis coincidence rate was 87.50％ (14/16);4 cases of differentiated endometrial adenocarcinoma,the pathological diagnosis coincidence rate was 100.00％ (4/4);2 cases of uterine papillary serous carcinoma,the pathological diagnosis coincidence rate was 100.00％ (2/2);1 case of transitional cell carcinoma of endometrium,the pathological diagnosis coincidence rate was 100.00％ (1/1).Conclusion Hysteroscopy can visually observe the morphology of cervical canal and uterine cavity,the diagnostic rate of endometrial polyps,simple hyperplasia,atypical hyperplasia and endometrial carcinoma are higher,so it has important clinical value in the diagnosis of abnormal uterine bleeding.

Objective To explore the effect of Jinmaitong (JMT) on expression of Bax, Bcl-2 and Caspase-3 in hippocampal neurons culturedwith high glucose. Methods Hippocampal neurons were primarily cultured and purified from the hippocampus of new-born SpragueDawley rats. Neuron-specific enolase immunocytochemical method was adopted for the identification of the neurons. They were divided intonormal control group, high glucose group, high-dose JMT (JH) group, middle-dose JMT (JM) group, low-dose JMT (JL) group and a positivecontrol group. 72 hours later, Western blotting was adopted to detect the expression of Bax, Bcl-2 and Caspase-3. Results Comparedwith the normal control group, the expression of Bax and Caspase-3 in the high glucose group significantly increased (P<0.01), and the expressionof Bcl-2 significantly decreased (P<0.05). Compared with the high glucose group, the expression of Caspase-3 and Bax in the positivecontrol group and JH, JM, and JL groups significantly decreased (P<0.01), and the expression of Bcl-2 significantly increased (P<0.05).Compared with the positive control group, the expression of Caspase-3 and Bax significantly decreased in JH, JM, and JL groups (P<0.05),and the expression of Bcl-2 significantly increased in JH and JM groups (P<0.05). Conclusion JMT may reduce apoptosis by inhibiting theexpression of Bax and Caspase-3 and promoting the expression of Bcl-2.

The forkhead box O (FoxO) transcription factor family plays an important role in cell functions, including metabo-lism, apoptosis, cellular proliferation, stress reactions, DNA repair, and immune response. As a member of this family, forkhead box O3a (FoxO3a) regulates its target genes by modulating histone modifications, including phosphorylation, acetylation, and methylation. FoxO3a expression is abnormally downregulated in urologic neoplasm. Protein modifications and FoxO3a activity are mainly con-trolled by PI3K/Akt signal pathway and other signaling pathways. FoxO3a is also involved in the initiation, progression, and prognosis of urologic neoplasm. This review focuses on the function of FoxO3a in urologic neoplasm and elucidates the regulatory mechanisms involved. This article will provide novel strategies to clinical diagnosis and drug therapy of urologic neoplasms.