Objective To study the curative effect of major aphthous ulcer using povidone-iodine,H_2O_2 asso- ciated with levamisole liniment.Methods The RAU patients were divided into 2 groups randomly.The patients of curative group were instructed to use povidone-iodine,H_2O_2 and levamisole liniment;The control group were in- structed to take metronidazole,antibiotics,compound vitamin B and vitamin C.Then the patients were observed peri- odically.Results The success rate of curative group was 85 % and the control group was 55 %.The difference had statistical significance(P＜0.01).Conclusion Treatment of major aphthous ulcer using povidone-iodine,H_2O_2 and levamisole liniment is effective.

Acquired Immunodeficiency Syndrome ; immunology ; Adolescent ; Chemokines ; immunology ; Child ; Child, Preschool ; Female ; Humans ; Male

Objective To investigate the change of eNOS,the spermatogenic cell proliferation,apoptosis in mouse testis exerted by alcohol. Methods The immunohistochemical staining method for detecting of eNOS,PCNA,TUNEL method for detecting of apoptotic cells and the satistics analysis were used in the present study. Results With the increase of alcohol concentration,the structure of seminiferous tubule changed,the diameter of seminiferous tubule decreased,the surface density of postive eNOS cells increased gradually,and the number of positve PCNA cells and apoptosis cells also increased.There were significant difference in 15% alcohol concentration group compared with the other groups(P

0bjective To establish a standard curve method with more accuracy employed in fluorescence real-time PCR(RT-PCR)as a alternation of the general method.Methods β-actin and KLK11 plasmid DNA for quantitative standard curve were constructed in our study,and Plasmids of β-actin was employed as a internal control.After serial dilution these plasmid were used as DNA standard to obtained slope.Expression of these two genes in malignant prostate cancer cell line LNCAP were tested by real-time PCR,and we analyzed the RT-PCR results with two different methods and compared their accuracy.Results Thestandards curves made from these linear DNA standards showed good linearity (R2=0.991 and 0.992 for β-actin and KLK11 standards graphs),but also displayed a discrepancy in their PCR efficiency(β-actin 123% and KLK11 99%).There were different results after two different stand curve analytical method:the expression of KLK11 mRNA in LNCAP was downregulated in general standard curve method.In the new analytical method,howerer,KLK11 upregnlated for 4.46-fold.And there was a significant difference between aplification efficiency of targt gene and internal control gene(t=4.829,P<0.05).Conclusions Compared with general standard curve method,the new advanced standard curve method described here avoids an error which considers there is identical amplification efficiency between target gene and internal reference gene.It is considered to be a more correct analytical method in fluorescence real-time PCR.

OBJECTIVETo explore the effect of electro-acupuncture to improve the bladder function after acute spinal cord injury in rats and its possible mechanism.

METHODSSixty healthy adult male SD rats of SPF grade, with body weight of 220 to 250 g, one week after feeding adaptation, were randomly divided into sham operation group, model group, electro-acupuncture group, electro-acupuncture control group with 15 rats in each group. Sham operation group underwent no stimulation, and the moderate damage model of spinal cord injury were made in other three groups according to modified Allens method. The model group were not treated, electro-acupuncture group were treated with electro-acupuncture on Zhibianxue and Shuidaoxue, and electro-acupuncture control group were treated with electro-acupuncture on 0.5 inch next to Zhibianxue and Shuidaoxue. The frequency of 2/100 Hz, current of 1 mA, stimulation time of 15 min, once a day, left and right alternately stimulate every time, for a total of 7 times. The changes of residual urine volume and urine output in rats at the 1st and the 7th days after operation were observed. And 7 d later, the rats were sacrificed and the injured spinal cord were taken out to observe the apoptosis, and to detect the changes of Bcl-2, Bax, Bad content.

RESULTSAfter modeling,the rats of three groups showed different bladder dysfunction. In electro-acupuncture group and electro-acupuncture control group, the residual urine volume of the 7th day after operation was significant lower than the 1st day after operation (P < 0.001), and there was statistically significant difference on the 7th day after operation between two groups (P < 0.001). Compared with model group, the urine output of electro-acupuncture group and electro-acupuncture control group was significantly increased on the 7th day after operation, and there was sig- nificant difference between electro-acupuncture group and electro-acupuncture control group (P < 0.001). Electro-acupuncture can inhibit apoptosis of spinal cord neurons by TUNEL detection. Postoperative at 7 d, the rate of nerve cell apoptosis in electro -acupuncture group and electro-acupuncture control group was significant increased than model group (P < 0.01, P < 0.05), and there was significant difference between electro-acupuncture group and electro-acupuncture control group (P < 0.005). Compared with model group, the positive expression rate of Bax, Bad decreased (P < 0.01, P < 0.05), and Bcl-2 increased (P < 0.01) in electro-acupuncture group and electro-acupuncture control group,there was significant difference between electro-acupuncture group and electro-acupuncture control group (P < 0.01).

CONCLUSIONElectro-acupuncture can obviously promote the repair of acute spinal cord injury,its mechanism may be through increasing Bcl-2, inhibiting the expression of Bax, Bad, which inhibits the apoptosis of spinal cord neurons.

Animals ; Apoptosis ; Electroacupuncture ; Immunohistochemistry ; In Situ Nick-End Labeling ; Male ; Neurons ; cytology ; physiology ; Rats ; Rats, Sprague-Dawley ; Spinal Cord Injuries ; pathology ; physiopathology ; therapy ; Urinary Bladder ; physiopathology

Adult ; Aged ; Carcinoma, Squamous Cell ; rehabilitation ; surgery ; Carotid Arteries ; Female ; Head and Neck Neoplasms ; rehabilitation ; surgery ; Humans ; Male ; Middle Aged ; Neck ; blood supply ; Reconstructive Surgical Procedures ; methods ; Surgical Flaps ; blood supply

OBJECTIVETo research on the reliability of diagnosing achondroplasia (ACH) on single cell level and to provide a basis for preimplantation genetic diagnosis(PGD).

METHODSThe high-frequency mutation region G380R of fibroblast growth factor receptor 3(FGFR3) gene was amplified by nested-PCR with single lymphocyte and single blastomere. The products of PCR were digested by restriction enzyme Bfm I, then the digested products were detected by 10% polyacrylamida gel electrophoresis(PAGE).

RESULTSThe amplification success rate, allele dropout rate and correct diagnosis rate of single lymphocyte's PCR were 90.4%, 8.2% and 91.8%,respectively. The amplification success rate of single blastomere was 75.4%.

CONCLUSIONThe diagnosis of ACH by single cell nested-PCR is comparatively stable and reliable.

Achondroplasia ; diagnosis ; genetics ; DNA Mutational Analysis ; Humans ; Molecular Diagnostic Techniques ; methods ; Mutation ; Polymerase Chain Reaction ; methods ; Preimplantation Diagnosis ; Receptor, Fibroblast Growth Factor, Type 3 ; genetics ; Sensitivity and Specificity

Through researches of channels and collaterals and clinical practice of many years, the authors understand that Chinese medicine, which considers the human body as an interrelated, mutual constraints, whole, dynamic living system, has gradually become an important part of modern medicine. Channels and collaterals are a closed loop system which is communicated and linked by energy and information in the form of electromagnetic oscillation, reflecting many characteristics similar to quantum. Channels and collaterals are not a fixed organizational structure. Studies on channel and collaterals find that the track of the propagated sensation along channels (PSC) have the phenomenon drifting about. This exactly reflects the law of channels dynamically running. By information triggering and living resonance, channels and collaterals bring into play entirely regulative action. The innovative treatment of channels and collaterals followed by characteristics and laws of quantum can get a better curative effect. Theory of channels in the position of quantum information medical science provides an important breach for modernization of Chinese medicine.
Medical Informatics ; Medicine, Chinese Traditional ; trends ; Meridians

OBJECTIVETo optimize the different components proportions of the Realgar floating tablets for gastric retention by uniform design and correlation analysis.

METHODWith the different dosage of hydroxypropyl methyl cellulose (HPMC) as the tablets frame matrix, uniform design and correlation analysis were used to optimize the best component proportions of formula, and to measure the dissolution of the tablets in vitro.

RESULTDissolution of the tablets in vitro was conformed to the expectation of experiment. The drug-release mechanism was by diffusion and corrosion at the same time.

CONCLUSIONThe Realgar floating tablets for gastric retention achieved the goal of design, which demand sustained release and safety.

Administration, Oral ; Arsenicals ; administration & dosage ; chemistry ; pharmacokinetics ; Delayed-Action Preparations ; Hypromellose Derivatives ; Materia Medica ; administration & dosage ; chemistry ; pharmacokinetics ; Methylcellulose ; analogs & derivatives ; chemistry ; Povidone ; chemistry ; Solubility ; Stomach ; metabolism ; Sulfides ; administration & dosage ; chemistry ; pharmacokinetics ; Tablets ; Technology, Pharmaceutical ; methods

BACKGROUNDThe common γ chain (γc) plays a critical role in regulating proliferation, differentiation, and apoptosis of peripheral T-cells. It was previously confirmed that blocking the γc signal can successfully induce transplant tolerance in a murine model. Here we investigated the potential mechanism.

METHODSSplenocytes from C57BL/6 mice were transfused into T-cell deficient Balb/c nude mice that were reconstituted with syngeneic wild-type T-cells labeled with 5-carboxyfluorescein diacetate succinimidyl ester (CFSE). After 24 hours, recipients received i.p. injection of mixture of anti-γc mAbs, or with isotype control IgG2a. The labeled T-cells were harvested from recipient spleens after 12 and 48 hours. T-cell proliferation and apoptosis were detected by flow cytometry.

RESULTST-cell proliferation was markedly inhibited and apoptotic T cells could be detected at 12 hours after the mAbs injection. Proliferation was inhibited at 48 hours, but the proportion of apoptotic T-cells was not more than at 12 hours. In the control group, however, T-cells actively proliferated and no significant apoptosis was detected at either time point.

CONCLUSIONSThe results suggested that blockade of γc signals can synergize with donor splenocyte transfusion and lead to inhibition of antigen-specific T-cell proliferation and induction of apoptotic T-cell death. This protocol may develop a novel approach to induce donor-specific tolerance.

Animals ; Antibodies, Monoclonal ; pharmacology ; Apoptosis ; drug effects ; Cells, Cultured ; Flow Cytometry ; Fluoresceins ; Immune Tolerance ; drug effects ; Interleukin Receptor Common gamma Subunit ; antagonists & inhibitors ; metabolism ; Lymphocyte Activation ; drug effects ; Male ; Mice ; Mice, Inbred BALB C ; Mice, Inbred C57BL ; Mice, Nude ; Signal Transduction ; drug effects ; Spleen ; cytology ; Succinimides ; T-Lymphocytes ; cytology ; drug effects