Objective To investigate the effect of hyperbaric oxygen preconditioning (HOP)on expression of Nogo mRNA,No-go-A and Ng R protein in the cerebral cortex after acute global cerebral ischemia-reperfusion (I/R)in aged rats and to study its mechanism affecting neuroplasticity.Methods Forty-two aged male SD rats were randomly divided into 4 groups:control group (C group,n=6),hyperbaric oxygen group (H group,n=12),cerebral I/R injury group (I/R group,n=12)and HOP group (n=12). The H group and the HOP group were placed in the hyperbaric oxygen cabin for 1 h per day with a oxygen pressure of 0.2 Mpa for successive 5 d,at 24 h after last time of hyperbaric oxygen preconditioning the I/R group and the HOP group adopted the modified Pulsinelli vessel occlusion method for preparing the rat I/R injury model,with global cerebral ischemia for 10 min and reperfusion for 24 h,each 6 rats were randomly taken from the the H group,I/R group and HOP group and their heads were cut off for taking the brain and isolating the cerebral cortex.The real time fluorescence quantification PCR was adopted to detect the expression level of Nogo mRNA and the Nogo-A protein level was detected by Western blot.The rats in various groups were performed the T1 WI and T2WI scanning in the transection position and the coronal positions.Results There were no obvious ischemic brain infarction in the normal control group and the H group,the arc-shaped bilateral cortex ischemic infarct area was clearly seen in the ischemic group,the ischemic infarct area was also seen in the HOP ischemia group,but its area was smaller than which in the ischemic group.Compared with the C group,the expression of Nogo mRNA and the Nogo-A protein in the HOP group was up-regulated(P<0.05);compared with the I/R group,the expression of Nogo mRNA and the Nogo-A protein was down-regulated(P<0.05). Conclusion HOP increases the neuroplasticity and can reduce the cerebral ischemic infarction area in the exceed acute stage of rat acute global cerebral ischemia by inhibiting Nogo mRNA in the cerebral cortex and up-regulating the Nogo-A protein expression.

A prospective study of Glutril in the treatment of 37 cases of NIDDM was carried out over a period of 3-6 months. Clinical and laboratory examination were taken before and at the end of the duration. Both of the results at the end of treatment showed:(1) that FBG, glycosylated plasma protein, glycosylated hemoglobin, branched chain amino acid, TXB2 /6-keto-PGF1? ratio, blood viscosity and platelet aggregation were all significantly decreased (P

Systemic lupus erythematosus(SLE)is a multisystem autoimmune rheumatic disease characterized by flares and remissions. SLE has protean and often complex manifestations,necessitating careful clinical assessment. Not all clinical problems reported by a lupus child are due to the disease. Some may be a consequence of therapy and others may be unrelated to lupus. Therefore it is important to understand the totality of the effect of the disease on the patient. In order to do this measures are needed which distinguish current,potentially reversible disease activity,perma-nent organ damage and the effect of the disease on the children's health status. This paper discuss the current measures available to assess disease activity and damage in SLE.

Objective To investigate clinical features and the early recurrence factors of watershed infarction(WSI).Methods Two hundred and eighty-three patients with acute anterior circulation vascular infraction confirmed by CT or MRI were collected in Heilongjiang Province Hospital from January 2010 to December 2012.Patients' information including gender,sex,risk factors for stroke and vascular stenosis was colleced.Patients were divided into the lacunar infarction group (n =83),large infarction group(n =60) and the WSI group (n =140).All patients were followed up for 6 months to observe cerebral infarction recurrence status.The national institutes of health stroke scale(NIHSS) test of all patients was performed.Meanwhile the information including disease stage was collected and analysed.Results (1) The recurrent rate in WSI group,large infarction group and lacunar infarction group were 40.0％ (56/140),30.0％ (18/60),9.6％ (8/83)respectively.The difference between recurrent rate and lacunar infarction group was statistically significant(x2 =23.5,x2 =9.7,P ＜ 0.05),and the recurrent rate of WSI was highest.(2)The symptoms of patients with WSI were relatively mild in most patients after the initial stroke.75.7％ (106/140)WSI patients were 0-4 points regarding of NIHSS score,22.9％ (32/140) for 5-9 points and only 1.4％ (2/140) for more than 10 points.The clinical symptoms aggravated obviously in recurrent WSI patients.Of recurrent patients,28.6％ (16/56) were with high NIHSS score (score ≥ 10 points).(3)The difference between recurrent group and unrecurrent group in terms of unstable plaque,baseline systolic blood pressure,degree of stenosis ≥ 70％ was statistically significant(P ＜ 0.05).Conclusion The recurrent rate is higher in WSI group than other infarction type.The clinical symptoms are relatively mild in most of the WSI patients after the initial stroke,but the symptoms turn serious when stoke recurrent and the prognosis is poor.The unstable plaque,baseline systolic blood pressure,degree of stenosis ≥ 70％ may be the risk factors of stroke recurrence.

Objective To investigate the image profiles and pathological manifestations of lung damages induced by Bleomycin(BLM) or pneumococcus,and to further elucidate the characteristic image profiles and its pathologic basis of pulmonary fibrosis.Methods 90 SD ratswere divided randomly into BLM group,pneumonia group and control group,the models were made by intratracheal instilling of BLM,pneumococcus and saline respectively.At the different time,HRCT scans were performed in all rats.The pulmonary specimens of rats were observed on pathology.Results Images of concentrated density in lung was observed in both BLM and pneumonia groups in early stage.In BLM groups,the areas of concentrated density image mainly surrounding main bronchus,were larger than that of pneumococcal pneumonia groups.And the images of fibre were seen in lungs of BLM-treated rats in 7 days.The correlation-observation of pathology showed,a lot of neutrophil and macrophages infiltrating in lungs of both groups,with a lot of exudates in the alveolus in pneumococcal pneumonia groups.Otherwise,the hyperplasia of fibroblasts was observed in the lung interstitium in the 5-7 day groups treated by BLM.Conclusion The imaging findings of alveolitis caused by BLM is of some different characteristic in comparison with that caused by pneumococcus.

From aspects of etiology, pathogenesis, treatment and commonly used prescriptions and herbs, this paper expounded traditional Chinese medicine (TCM) theories on cancer. Compound factors such as external evil invasion, diet damage and emotional disorders were causes of cancer in TCM theories. Clinically, TCM emphasized on expelling external evil as an important part in cancer treatment. However, characteristics of different diseases should be differentiated. Great attention should be paid to strengthening the body resistance. Generally speaking, ancient TCM doctors would used tonification herbs together with toxic herbs to benefitqi andyin as well as to promote blood circulation to remove blood stasis. Thus, the deficiency and excess were both considered. And the visible masses can be reduced from all-around and multi-level. This article suggested that TCM theories had great meaning of guidance in cancer treatment for current clinical oncologists.

Objective:To evaluate communication ability of medical students and try to construct communica-tion education mode of medical students .Methods:Scale and questionnaire are used to survey 1389 medical students , a radar map is used to evaluate the communication and interviewing related personnal , domestic and over-seas pertinent literature data were browsed and analyzed .Results:Medical students′communication ability level is general , lack of communication of knowledge; The need to build on the basis of doctor -patient communication training mode diversification .Conclusions:Medical schools should attach importance to training the students′com-munication ability and try to construct all -sided education mode and improve medical students′ability of doctor-patient communication .

Pterygium is a common ocular surface disorder,which causes lowing of vision even blindness once invading into cornea.The pathogenesis of pterygium is still incompletely clear.Recently studies showed that the interaction of a lot of factors lead to the proliferation of pterygium,and angiogenesis may play an important role in the formation and progression of pterygium.The therapies of pterygium focus on surgical resection with autologous conjunctival transplantation,amniontransplantation or transplantation of limbal stem cells,but a high recurrence rate of pterygium is worth studying.The angiogenesis of pterygium is a key problem.This article summarized the research outcomes in regulation and treatment about angionesis in pterygium.

The permeability of three kinds of membranes, including imported agarose (Sigma), China-made agarose and interpenetrating polymer network (IPN) made of Chinese agarose mixed with other synthetic macromolecular compound, to four substances with different molecular weights (methyl orange, Vit B12 , insulin and lysozyme) was studied. The results revealed that the solutes with molecular weights below 6 000 dalton could permeate all kinds of membranes with similar coefficient of permeability. However, the immunoisolation of IPN for such macromolecular solute, as lysozyme (14 300 dalton) was much more effective than that of other kinds, which only had limited effect of immunoisolation. These results suggest that IPN with the characteristics of efficacious immunoisolation fulfills the requirements for transplantation. 2 000-3 000 microencapsulated islets were transplanted intraperitoneally in six diabetic rats without the use of immunosuppressive drugs. On the 4th post-operative day, blood sugar dropped significantly until the 7th day, when it was in normal range. The normal level of blood sugar had remained for 30 days. The microcapsules, made of IPN, possesses a better function of immunoisolation, which may lay a foundation of treating IDDM with encapsulated porcine islet grafting.