Objective:To investigate the effects of cardioplegia with Na+ channel inhibitor tetrodotoxin(TTX)on myocardial?-actin of isolated rat hearts and its and mechanism. Methods:Langendorff and Neely perfusion models were steadily established,then the rat hearts(10 hearts in each group)were arrested by cardioplegia(St. Thomas No. 2 solution,STH-2) in group STH-2,and by cardioplegia(TTX)in group TTX respectively after perfusion for 30 minutes. These arrested hearts were remained for 60 minutes and then underwent reperfusion for 60 minutes.Pre-ischemia and post-ischemia hemodynamic parameters of the rat hearts(HR,CAF,LVESP and recovery rate of pressure change speed)were studied and changes of calpain was detected by immunohistochemistry and myocardial?-actin by Western blot and immunohistochemistry. Results:There was no differences between two groups before myocardial ischemia.But the recovery of myocardial hemodynamic parameters during reperfusoin in group TTX was better than that in group STH-2(P

IL-8 is a cytokine which belongs to the chemotactic superfamily.It is one of the major mediators in the inflammatory response.In recent years,it was found that it had multiple functions,such as chemoattractant,potent angiogenic,and so on.The cytokine is believed to play an important role in the pathogenesis of inflammation,tumor progress and immune disease.In this review,the properties of IL-8 and highlight its roles on inflammation and tumor progress were surveied.

The role of serotonergic system in vasovagal syncope (VVS) has been more concerned.Serotonin is a kind of neurotransmitter which is widely distributed in central nervous system.There are kinds of serotonergic receptors on postsynaptic membrane,among which 5-HT1A receptors participate in the mechanism of central blood pressure depression and promote the release of hormones such as prolactin and adrenocorticotrophic hormone.Acute administration of selective serotonin reuptake inhibitors (SSRIs) during head-up tilt test (HUT) blocks the reuptake of serotonin in the synapse space and thus increases stimulation of the serotonin receptors,which induces syncope episode.Long-term administration of SSRIs downregulates the postsynaptic serotonergic receptors,thus it weakens the reaction to the rapid change of serotonin concentration, which results in rapid depression of sympathic nerves and prevention of syncope episode.These demonstrate that central serotonergic system may participate in the pathogenesis of VVS and SSRIs are important for the diagnosis and treatment of VVS.

The responsibility system of attending doctors plays a positive role in raising hospital efficiency and optimizing medical resources deployment.For the change in the subject of medical liabilities following the introduction of this system,medical management needs to shift from department management to doctor management instead.In the meantime,appropriate rules and regulations are needed to normalize the roles and behavior of the medical office,department heads,and attending doctors in medical activities.This will ensure the successful operation of this responsibility system,and generate ideal medical,economic and social outcomes.

Objective To establish a method for determination of geniposide in Qingfeiyihuo tablets by HPLC.Methods A Diamonsil C18(5 ? m,4.6 mm? 250 mm) column was employed together with a mobile phase of methanol-water(20:80,V/V) at a flow rate of 1.0 mL/min under a detection wavelength of 238 nm.Results The linear range of the detection of geniposide was 0.2884～ 1.4420 ?g(r=0.9997).The average recovery of geniposide was 98.6 %,and RSD was 0.98 %.Conclusion This method is simple,accurate and suitable for the quality control of Qingfeiyihuo tablets.

OBJECTIVETo evaluate the clinical efficacy of warming-needle moxibustion on cervical headache.

METHODSSixty-one patients of cervical headache were randomly divided into a warming-needle moxibustion group (30 cases) and an acupuncture group (31 cases). Tianzhu (BL 10), Fengchi (GB 20), Wangu (GB 12), Tianyou (TE 16), Hegu (LI 4), Taichong (LR 3) and Zulinqi (GB 41) were selected in the two groups. Patients in the acupuncture group were treated with acupuncture; patients in the warming-needle moxibustion group were treated with warming-needle moxibustion at Tianzhu (BL 10), Fengchi (GB 20) and Wangu (GB 12) and acupuncture at the remaining acupoints. The treatment was given once every other day, 3 times a week, and totally 4-week treatment was given. The duration and frequency of headache, numerical rating scale (NRS) of headache and cervical range of motion (ROM) were compared before and after treatment in the two groups; also the efficacy of the two groups was evaluated.

RESULTSAfter treatment, the duration and frequency of headache, headache NRS.and cervical ROM score were improved in both groups (all P < 0.05), which were more significant in the warming-needle moxibustion group (all P < 0.05). The total effective rate was 84.3% (25/30) in the warming-needle moxibustion group, which was significantly superior to 61.3% (19/31) in the acupuncture group (P < 0.05).

CONCLUSIONThe warming-needle moxibustion presents significant efficacy on cervical headache, which can obviously improve headache symptoms and cervical ROM.

Acupuncture Points ; Adult ; Cervical Vertebrae ; physiopathology ; Female ; Headache ; etiology ; physiopathology ; therapy ; Humans ; Male ; Middle Aged ; Moxibustion ; Neck Pain ; complications ; physiopathology ; therapy ; Range of Motion, Articular ; Treatment Outcome ; Young Adult

Vascular endothelial growth factor (VEGF) is angiogenic and neurotrophic factor. It is now known that VEGF also plays an importmant role in neurogenesis and neuroprotection in addition to angiogenesis. VEGF and VEGF receptor increase in the ischemic brain, promote vascular endothelial cell proliferation and decrease infarct volume. VEGF plays neuroprotective and neurotrophic roles by the modulation of the phosphatidylinositol3-kinase (PI3K)/Akt/nuclear factor-κB and MAPK/ERK signaling pathways. VEGF reduces ischemic neuronal apoptosis, promotes neural stem cells proliferation, migration and differentiation and improves nerve functions. In the other hands, VEGF increases permeability of blood vessel which may aggravate cerebral edema early.

Objective To analyze the clinical and X-ray manifestations of sclerosing adenosis of the breast,and to evaluate the val-ue of preoperative differential diagnosis between the sclerosing adenosis and the breast cancer combined with pathology.Methods X-ray manifestations and clinical features of 25 patients with the sclerosing adenosis of the breast confirm by surgical pathology were analyzed retrospectively.Then the X-ray manifestations and clinical features were compared with the pathological results.Results Total 25 patients suffered from the sclerosing adenosis of the breast.Among them,2 cases were bilateral sclerosing adenosis,23 ca-ses were unilateral sclerosing adenosis,6 cases with epithelial atypical hyperplasia,4 cases with intraductal papilloma,7 cases with fibroadenoma nodule formation,and the rest with the pure sclerosing adenosis.X-ray manifestations:7 cases presented the medium density nodular shadows with blurred and irregular edges,1 6 cases showed the star-shaped shadows of which 6 cases were the“black stars”,3 cases of“white stars”.One in 7 cases can only see a star shadow,another was unclear or the form was varied.1 3 patients showed the calcification among 4 cases presented the small clusters of distribution with needlepoint-like calcification,2 cases of bulky curved calcification,and the rest with scattered and regional distribution of dot,needlepoint-like calcification.Conclusion Combined with clinical manifestations,the breast X-ray plays an important role in the differential diagnosis of sclerosing adenosis and the breast cancer.

Adiponectin ; Ghrelin ; physiology ; Growth Hormone-Releasing Hormone ; Humans ; Leptin ; Receptors, Ghrelin ; Resistin

Coronary Artery Disease ; etiology ; therapy ; Humans ; Mucocutaneous Lymph Node Syndrome ; complications ; therapy