Objective:The relative expression of miR-4698 in liver cancer tissues and cell lines was detected, and its effect on the proliferation and migration of liver cancer cells and its molecular mechanism were analyzed.Methods:Real-time fluorescence quantitative polymerase chain reaction (qRT-PCR) was used to analyze the relative expression of miR-4698 in liver cancer tissues and liver cancer cell lines. Among the lowest-expressing hepatocellular carcinoma cell lines, miR-4698 mimic and control mimic were transfected with liposome transfection method, and named as experimental group and control group. qRT-PCR was used to detect transfection efficiency. Cell counting kit-8 (CCK-8) and transwell migration experiments were used to detect the effects of overexpressing miR-4698 on the proliferation and migration ability of liver cancer cells. Bioinformatics and dual luciferase reporter gene experiments were used to predict and verify the binding of miR-4698 to target gene. qRT-PCR and Western blot were used to detect the relative expression of target gene at mRNA and protein levels, respectively.Results:Compared with the adjacent tissues, miR-4698 was significantly lower in the liver cancer ( P<0.01). Compared with normal hepatocytes, miR-4698 was significantly lower in hepatoma cell lines ( P<0.05), and the lowest in Huh7 cells ( P<0.01). After transfection, the expression of miR-4698 in Huh7 cells in experimental group was significantly increased compared with that in the control group ( P<0.01). Overexpression of the miR-4698 can inhibit the proliferation and migration of Huh7 cells ( P<0.05). Bioinformatics showed that the target gene of miR-4698 was polypeptide-n-acetylgalactosamine transferase 4 (GALNT4), and the double luciferase reporter gene confirmed that miR-4698 could bind to GALNT4 ( P<0.01). qRT-PCR showed that overexpression of miR-4698 could inhibit the expression of GALNT4 gene ( P<0.01). Western blot results showed that overexpression of miR-4698 decreased the protein expression of GALNT4, cyclin B and CDK1, and increased the protein expression of N-cadherin and ZEB-2. Conclusions:The expression of miR-4698 in liver cancer tissues and cell lines is significantly reduced. Overexpression of miR-4698 can inhibit the expression of GALNT4 gene and reduce the proliferation and migration ability of liver cancer Huh7 cells.

The definition of rehabilitation should reflect the connotation and extension of rehabilitation medicine system,moreover,special attention should be paid to the process of translation,applications and promotion due to its derivation from Latin.The fourth edition of rehabilitation medicine textbook which published by People's Medical Publishing House described the definition of rehabilitation inaccurately,although integrated the foreign authority definitions.The definition of ‘ re-learning’has been described by the textbook without considering logical sequence,which caused difficulty in explaining and comprehending between teachers and students in class.Besides,application of another term of rehabilitation medicine in the textbook is imprudence.

Objective To evaluate the clinical effect of different doses of leuprorelin acetate in in vitro fertilization-embryo transfer(IVF-ET).Methods From January 2011 to December 2011,the data of 268 patients undergoing IVF and (or) intracytoplasmic sperm injection (ICSI) in Reproductive Medical Center,Clinical College of PLA,Anhui Medical University were studied retrospectively.All the patients were divided into three groups based on with long protocol and controlled ovarian stimulation (COH) including 83cycles with 1.25 mg of leuprorelin in low dose group,68 cycles with 1.88 mg of leuprorelin in high dose group,117 cycles with 1.25 mg of diphereline in control group.The serum follicle stimulating hormone (FSH),luteinizing hormone (LH),estradiol (E2) and progesterone (P) before gonadotropin (Gn)administration on the days 3-5 of the menstrual cycle and on the day of hCG administration were detected,the dose and duration of Gn,number of oocytes retrieved,number of mature oocytes,the rates of fertilization,embryo cleaved,good-quality embryos clinical pregnancy and early miscarriage were compared among three groups.Results There were no significant differences in age,the level of LH and P on the day of hCG administration among three groups (P ＞ 0.05).The level of FSH was (3.8 ± 1.6) U/L in low dose leuprorelin group,(3.1 ± 1.4) U/L in high dose of leuprorelin group and (2.4 ± 1.3) U/L in diphereline group before Gn administration,which reached statistical difference (P ＜ 0.05).The mean length of Gn stimulation were (9.8 ± 1.7) days in low dose leuprorelin group,(10.5 ± 1.8) days in high dose of leuprorelin group and (11.1 ± 1.4) davs in diphereline group,which reached statistical difference (P ＜0.05).The mean dose of Gn was (24 ± 7) in low dose of leuprorelin group,which was significantly higher than (27 ± 9) in high dose of leuprorelin group and (28 ± 7) in diphereline group (P ＜ 0.05).The level of LH was (2.7 ± 1.6) U/L in low dose of leuprorelin group and (2.2 ± 1.0) U/L in diphereline group before Gn administration,which reached statistical difference(P ＜ 0.05).The cancel cycles were 5 in low dose of leuprorelin group,4 in high dose of leuprorelin group and 7 in diphereline group.The number of ovum was (14 ±7) low dose of leuprorelin group,(13 ±6) in high dose of leuprorelin group,(14 ±6) in diphereline group.The rates of fertilization was 66.26％ (758/1144)in low dose of leuprorelin group,67.01％ (589/879) in high dose of leuprorelin group and 68.54％ (1111/1621) in diphereline group,the rates of goodquality embryos was 64.22％ (472/735) in low dose of leuprorelin group,60.50％ (340/562) in high dose of leuprorelin group and 59.59％ (640/1074) in diphereline group,clinical pregnancy was 49％ (38/78) in low dose of leuprorelin group,42％ (27/64) in high dose of leuprorelin group and 50％ (55/110) in diphereline group,early miscarriage was 18％ (7/38) in low dose of leuprorelin group,15％ (4/27) in high dose of leuprorelin group and 15％ (8/55) in diphereline group,which did not show significant differences (P ＞0.05).Conclusions Both 1.25 mg and 1.88 mg leuprorelin acetate could obtain good downregulation effect and clinical outcomes.1.25 mg leuprorelin acetate could decrease patient's costs by reducing Gn dose and duration.

Objective To investigate the clinical characteristics,diagnosis and treatment of senile primary central nervous system lymphoma.Methods The patients were divided into two groups,one group of the patients underwent chemotherapy and radiotherapy treatment following surgical resection,the other received a combined treatment of chemotherapy and radiotherapy only.The survival were analyzed with log-rank test.Results All of the lesions showed the iso-to slightly high density in the CT scan,and the boundary was unclear,surrounded by edema.Contrast enhancement was found in all of the patients.MRI showed iso-to low T1 and iso-to slightly high T2 signal intensity to the adjacent gray matter.The lesions were surrounded by the edema belt.Contrast enhancement such as rim enhancement or homogeneous enhancement was found in all.The pathological diagnosis was B cell lymphoma(n=32)and T cell lymphoma(n=4).In addition,all of the patients were excluded out of HIV infection and their immune function was normal.The median survival time of the group receiving surgery combination treatment and the group receiving just chemotherapy and radiotherapy were 19 months and 14 months,respectively.There was no significant statistics between the survival time of the two groups.Conclusion It is necessary to differentiate primary central nervous system lymphoma from glioma,metastatic tumor,meningoma,and so on.The surgical resection seems no help for those senile central nervous system lymphoma patients with multi-focus.The diagnosis should be suspected after MRI and obtained by stereotactic biopsy in order to avoid an unnecessary extend of surgery in primary central nervous system lymphoma(PCNSL).

Humans ; Male ; Middle Aged ; Polychondritis, Relapsing ; surgery ; Tracheotomy ; methods

0.05). Conclusion 1. Exogenous glutamate application via scala tympani can result in a rapid excitotoxic damage of cochlear typeⅠspiral ganglion cells of guinea pigs. 2. NT-3 can protect typeⅠspiral ganglion cell from glutamate neurotoxicity even applied 60 minutes after the occurrence of glutamate induced cochlear impairment. The result indicates that NT-3 may be an ideal candidate for the treatment of a series of acute neural hearing loss.It may lead to a better outcome when NT-3 gene therapy is actilized.

AIM:To investigate the effects of propofol on potassium currents in pulmonary artery smooth muscle cells of normotensive and hypertensive rats. METHODS: The effects of propofol on potassium currents in smooth muscle cells derived from normotensive and hypertensive rats pulmonary arteries were observed by patch clamp technique (whole cell recording) after application of the drug in the bath. RESULTS: The potassium current-voltage curves (I-V curves) of smooth muscle cells derived from normotensive and pulmonary hypertensive rats pulmonary arteries were up-ward shifted by propofol (50, 100 ?mol/L). Compared with control group, within 5 minutes after application of the drug, the current amplitude could increase to (121?11)%, (113?5)% (P

Objective To investigate the medial-lateral tilting of patella in two different coordinate systems before and after total knee arthroplasty (TKA). Methods Six fresh-frozen left low limbs from cadaver were tested using a modified Oxford Rig. Anatomically based multiple loading of the quadriceps mechanism was applied(Vastus medialis 24.5 N, Vastus intermedius/rectus femoris 29.4 N, Vastus lateralis 19.6 N). In a three dimensional coordinate system, patellar tilting was tracked using a custom-made Laser tracking device. The femoral trochlea was used as the other coodinate system in skyline view of patellar-femoral joint. Total knee arthroplasty was performed using PFC? posterior cruciate ligament substituting knee system. The tilting angles of patellar were measured before and after TKA. Results In three dimensional coordinate system, when knee flexed 30?,60?,90?,120?,150?, the patella titled :-3.10??2.25?,2.50??1.07?,5.46??2.60?,6.32??2.16?,-2.10??1.90? respectively before total knee arthroplasty was undertaken. After total knee arthroplasty, the patella tilted 3.24??0.35?,2.30??1.39?,1.65??1.17?,1.29??1.03?,-0.86??1.42? respectively. When femoral trochlea was taken as coordinate, the patella tilted 0??0?,0??0?,0??0?,0.24??0.35?,-3.21??1.80?; 0??0?,0??0?,0??0?,0??0?,-1.12??1.20? respectively both before and after TKA (Lateral patella tilting was defined as positive and medial patella tilting, negative). Conclusion Even the relationship between patella and femoral trochlea remains normal, the mode and magnitude of patellar tilting changes significantly after TKA. In early flexion of knee joint, patella tilts medially before TKA while it tilts laterally after TKA. After TKA, patella tilts less laterally than it does before TKA when a knee flexes from 60 to 120 degrees.

10 points or if the progressing osteoarthritis was proved by the T nnis grade.And the remaining patients would join in the satisfied group.The differences of preoperative clinical and radiographic factors between unsatisfied group and satisfied group were identified.[Result]Ten hips in the unsatisfied group had significantly more WOMAC pain score(t=3.969,P

Background and purpose:Twist has been identifi ed as tumor metastasis promoter transcription factor and KiSS-1 has been identified as tumor metastasis suppressor gene,and both of them have been identified to be associated with the metastatic potential of non-small cell lung cancer(NSCLC) .Our aim was to identify the expression of both Twist and KiSS-1 in NSCLC and analyze their correlation with patients’ survival.Methods:Immunohistochemical staining using monoclonal Twist and KiSS-1 antibody were performed on paraffi n embedded specimens from 61 patients diagnosed with NSCLC,and 15 specimens of tumor surrounding lung tissue were used as control.The association with clinicopathologic data and prognosis of NSCLC were analyzed.Results:The expression of Twist was significantly higher in NSCLC than in tumor surrounding lung tissue(P