Objective To investigate the role of interleukin-22 (IL-22) in the pathogenesis of pityriasis rosea (PR).Methods Peripheral venous blood samples were obtained from 48 patients with PR in acute stage and recovery stage and from 20 healthy human controls.Real-time fluorescence-based quantitative PCR was performed to measure the mRNA expression of IL-22 in peripheral blood mononuclear cells (PBMCs),and enzyme-linked immunosorbent assay (ELISA) to determine the level of IL-22 in sera.Results The relative expression level of IL-22 mRNA in the patients with PR in recovery stage was significantly higher than that in the healthy controls (2.89 ±0.91 vs.1.91 ± 0.60,t =3.84,P ＜ 0.05),but lower than that in the patients in acute stage (2.89 ± 0.91 vs.4.15 ±1.36,t =3.61,P ＜ 0.05).Similarly,the level of serum IL-22 was significantly increased in the patients with PR in recovery stage compared with the healthy controls ((21.44 ± 7.33) vs.(13.22 ± 4.26) ng/L,t =4.49,P ＜ 0.05),and increased in the patients with PR in acute stage compared with those in recovery stage ((36.87 ± 10.63) vs.(21.44 ± 7.33) ng/L,t =5.01,P ＜ 0.05).The level of serum IL-22 was positively correlated with the stage of PR (r =0.883,P ＜ 0.05).Conclusions IL-22 is overexpressed in PBMCs and sera of patients with PR,implying that IL-22 is involved in the pathogenesis of PR.

Transient receptor potential (TRP) is a kind of novel Ca2+ permeant channel.It is later found that TRP channels are expressed broadly in many organisms,tissues and cell types.It is involved in the regulation of sensory conduction and cell signal transduction.Further studies are required to assess which TRPC6(a member of TRPC subfamily) is associated with the cytosolic Ca2+ levels,development and progression of cancer and tumor cell cycle.TRPC6 may be regarded as new targets for the treatment of cancer.

BACKGROUND:Internal fixation methods for traditional proximal clavicle fractures and sternoclavicular joint dislocation include Kirschner wire, Kirschner wire with tension band, clavicular hook plate and ordinary T-shaped plate fixation. However, al of these are easy to fal off, damage nerves and blood vessels and affect the fine motion of the sternoclavicular joint. OBJECTIVE:To investigate the therapeutic effects of internal fixation with T-shaped stainless steel locking plate on proximal clavicular fractures and sternoclavicular joint dislocation as wel as to observe the biocompatibility of materials with the host. METHODS: Twelve patients with proximal clavicular fractures and sternoclavicular joint dislocation were enroled at Shanxian Central Hospital from March 2011 to January 2014, including seven cases of proximal clavicular fractures and five cases of sternoclavicular joint dislocation. Al of patients were subject to open reduction and internal fixation with T-shaped locking plate. RESULTS AND CONCLUSION:Al the 12 patients were folowed up for 3-14 months, with an average of 9 months. Al incisions healed wel, with no local eminence. No major substernal blood vessels and organ damage occurred. X-ray films showed that fractures healed without further dislocation and steel plate fracture. At the last folow-up, Rockwood scoring system showed that the excelent rate of shoulder function was 100%. These findings indicate that the internal fixation with stainless steel T-shaped locking plate is reliable and effective in the treatment of proximal clavicle fractures and sternoclavicular joint dislocation, with low risks and satisfactory outcomes, by which, patients can maximize the recovery of shoulder function.

Objective To investigate the clinic application of venturi oxygen therapy heated humidify system on artificial airway management. Methods 30 cases of experimental group used venturi oxygen therapy for humidification and heating, while 30 cases of control group were treated with continuous wet micro-injection pump method for artificial airway care. Humidifying effects, effects of oxygen therapy, incidence of pulmonary complications were compared between the two groups. Results The humidifying effects on experimental group (26 cases) were better than control group (17 cases) (χ2=6.648,P<0.05). The irritating cough (5 cases), airway mucosa injury (1 case) and the formation of sputum crust (2 cases) in experimental group were less than 13 cases, 6 cases, 6 cases in control group (χ2=5.079, 4.043, 7.954,P<0.05). The times of sputum drainage on experimental group was (17.28 ± 5.51) times which was less than (31.22±5.24) times of control group (t=4.312, P<0.01).The effect on oxygen therapy about oxygen saturation in experimental group was 0.932 2 ±0.020 5 when sputum drainage, and 0.982 2± 0.009 4 two minutes later, which was higher than 0.916 7 ±0.011 2 and 0.957 2 ±0.013 6 of control group (t=3.431,6.276, P<0.01). Conclusions Venturi oxygen therapy heated humidify system can reduce the formation of sputum crust, reduce the times of sputum drainage, reduce hypoxia degree and shorten the duration caused by sputum crust, improve the effect of heat and humidification of patient.

Objective To investigate the protective effect of recombinant mouse OP 1 (rmOP 1) on renal ischemia reperfusion injury. Methods The full length open reading frame of mouse OP 1 was cloned by RT PCR. The rmOP 1 was prepared and its osteogenesis was assayed in vitro. Thirty Wistar rat models of renal ischemia reperfusion were randomly divided into 3 groups: preventive group, therapeutic group and control group. The former two groups were administered with rmOP 1 (250 ?g/kg) via the superior mesenteric vein at different time points. The renal function and structure were assessed by serum BUN, Cr, histological findings and the modified Miller's scoring. Results rmOP 1 showed osteoinductive activities in vitro. The level of serum BUN, Cr and Miller's scoring were higher in control group than the others ( P 0.05 ). Histological finding showed that rmOP 1 minimized the cell necrosis. Conclusion rmOP 1 has an protective effect on renal function and structure.

Objective To investigate the expressions of Bcl-2 and Bax protein in the renal tissues of patients with lupus nephritis(LN)and their role in the pathology alteration of LN.Methods During 2003-01～2003-04 immunohistochemical staining was used to detect the expressions of Bcl-2 and Bax in renal tissues of 44 cases of LN in the First Affiliated Hospital of Guangxi Medical University.Their relationship with pathology was also observed.Results (1)The expression of Bcl-2 and Bax was significantly increased and both were positively correlated with the grade of intraglomerular cell proliferation and proliferating cell nuclear antigen(PCNA)positive glomerular cells.(2)The expression of Bcl-2 in interstitial cells was significantly increased and positively correlated with the degree of interstitial infiltration of inflammatory cells.(3)The expression of Bax in the tubule of LN was increased and was positively associated with tubulointerstitial lesions.Conclusion There is abnormal expressions of Bcl-2 and Bax in renal tissues of LN.Overexpression of Bcl-2 in renal tissues of LN might play an important role in the process of glomerular hypercellularity and interstitial infiltration of inflammatory cells.Overexpression of Bax in tubular ducts is correlated with tubulointerstitial lesions.

With the combined interruption of the superior mesenteric vein, the splenic artery and vein and the portal vein, we successfully separated the adhesion between the collum pancreatis and the portal vein which is difficult to separate in 8 cases During the separation, the portal vein was damaged in 2～5 parts, and the size of wounds of vein were of 2～6mm in length, but the amount of bleeding was small and the bleeding speed was slow All the wounds were easily repaired under direct vision We consider that the mothod of the combined interruption is safe and effective for the separation of the adhesion between the collum pancreatis and the portal vein, and is helpful to increasing the success rate of removing carcinoma of the head of pancreases The interruption is safe for 20～25 minutes under normothermia

Macrophages play an important role in the pathogenesis of many diseases because of its plasticity and diversity.The Notch signaling pathway is a key regulator of the biological function of macrophage and has a complex network connection with many other signaling pathways.This paper reviews the conduction of Notch signaling pathway and its regulation on the polarization of macro-phages.

Objective To measure serum and tissue levels of soluble syndecan-1 (SDC1) in patients with cutaneous squamous cell carcinoma (CSCC),and to explore the relationship between the expression of SDC1 and clinicopathologic features of CSCC as well as between the serum and tissue levels of SDC 1.Methods An immunohistochemical study was performed to measure SDC 1 expression in the epidermis of lesional specimens from 93 patients with CSCC and normal skin specimens from 30 healthy human controls,and enzyme-linked immunosorbent assay (ELISA) to detect serum levels of soluble SDC1 in 81 patients with CSCC and 30 healthy human controls.Results The expression of SDC1 was significantly lower in CSCC tissues than in normal skin tissues (Z=3.85,P＜ 0.01).The expression intensity of SDC 1 decreased with the increase in tumor thickness but with the decrease in degree of differentiation of CSCC (x2 =11.66,12.51 respectively,both P ＜ 0.01).Furthermore,the expression of SDC1 was significantly lower in lesional tissues of CSCC with lymph node metastasis than in those without (Z =2.20,P ＜ 0.05).As ELISA showed,serum levels of soluble SDC1 were significantly higher in patients with CSCC than in healthy controls (Z=4.12,P＜ 0.01),and gradually increased with the increase in tumor thickness and with advancing clinical stages of CSCC.In addition,serum levels of SDC1 were significantly up-regulated in patients with invasive CSCC compared with those with CSCC in situ (Z =3.02,P ＜ 0.01),but were not significantly different among patients with invasive CSCC at different degrees of differentiation (P ＞ 0.05).CSCC patients with lymphatic metastasis showed significantly higher serum levels of SDC1 compared with those without (Z =5.30,P ＜ 0.01).The serum levels of soluble SDC1 were significantly negatively correlated with its tissue levels in CSCC patients (rs =-0.625,P ＜ 0.01).Receiver operating characteristic (ROC) curve analysis showed that the best cutoff point of serum SDC 1 levels was 65.5 μg/L for the diagnosis of lymphatic metastasis,with the sensitivity,specificity and area under the curve (AUC) being 73.7％,87.1％ and 0.904 (0.840-0.968) respectively.Conclusion The downregulated tissue expression but up-regulated serum levels of SDC 1 may be associated with the invasiveness of CSCC,and elevated serum SDC 1 levels are somewhat valuable to the diagnosis of lymphatic metastasis.

Based on the theory of topological structure within the syndrome of tradition Chinese medicine (TCM), the high order multiple dimensions and nonlinear structure of syndrome can be cracked. And the panorama of complex and changeable syndrome can be showed. The dynamic evolving law of sub-sets of syndromes and the changing rule of the main signs and symptoms with the secondary signs and symptoms can be interpreted. Therefore, the evolving law of sub-sets of syndromes and the accurate corresponding law of prescriptions and medicines can be realized. And the scientific connotation of dynamic evolving rule of syndrome can be revealed. Studying on the occurrence regularity of syndrome, the structure characterization of TCM syndrome can be carried out. And the mathematical structure-physical structure-biological structure can be revealed. Along with the mass new specific forms of syn-dromes to be cracked, the simulation data platform of therapeutic methods with prescriptions and medicines of syn-dromes can be built through the simulation technology of computer. Using the clinical data, through the literature of carding and contrast, the scientific connotation of judgment and diagnostic standard of syndromes can be interpreted. The distracting law of syndromes of diseases can also be revealed through the clinical data of syndrome-groups. And the theoretical basis for the formulation of judgments and diagnostic standard of syndromes of diseases which con-forming to the dynamic evolving law of syndromes can be provided. Evaluation on TCM efficacy can be carried, in order to make clear the curative effect evaluation index system of TCM syndrome in multiple dimensions and multi-ple levels for the promotion of the substantially improvement of syndrome differentiation level.