1.Breast cancer and tumor markers
International Journal of Surgery 2009;36(11):763-766
Breast cancer is one of the most common cancers in women and has been increasing in the last few years. Tumor markers are usually substances occurring in blood or tissue which might be clinically usable in patients with cancer. Owing to a lack of sensitivity for early disease and lack of specificity, none of the a-vailable markers is of much value for the early detection of breast cancer. To identify potential early-stage markers for breast cancer is a difficult problem. Here we summarizes the application of tumor markers in the diagnosis and prognostic prediction in breast cancer, which include CA153 ,CEA, PR and AR, and recently defined markers such as miRNA, hMAM, Midkine.
2.Research on recombinant human PA2G4 family member Ebp1: current status and future perspective.
Chinese Journal of Oncology 2012;34(8):561-565
Adaptor Proteins, Signal Transducing
;
chemistry
;
metabolism
;
Animals
;
Apoptosis
;
Cell Differentiation
;
Cell Line, Tumor
;
Cell Proliferation
;
Humans
;
Neoplasms
;
pathology
;
Phosphorylation
;
Protein Isoforms
;
RNA-Binding Proteins
;
chemistry
;
metabolism
;
Transcription Factors
;
antagonists & inhibitors
3.Effect of reconstruction on medial collateral ligament healing of knee in rabbits
Fang YU ; You CHEN ; Shaofang GU
Journal of Chinese Physician 2009;11(9):1158-1160
Objective To provide histological evidence for clinic tendon reconstruction on severe medial collateral ligament injury in rabbits. Methods Medial collateral ligaments of two knee joints were completely incised to create own control model of MCL rupture. The operation group intimated the procedure of human being MCL reconstruction with semitendinous tendon. In the 4th,12th,16th,24th weeks, healing of MCL was observed by anatomy and the picrosirius-polarization method. Results In the 4th week, the MCL healing tissue of ex-periment group is more than control group. The average ratios of type Ⅲ collagen to Ⅰ, Ⅲ collagen in the experiment group [(0.263±0.075), (0.235±0.041), (0.210±0.045), (0.197±0.029)] were significantly lower than those in control group [(0.310±0.072), (0.286±0.045), (0.261±0.046), (0.236±0.043) ] in the 4th, 12th, 16th, 24th weeks, respectively (P < 0.05). Conclusions The semitendinons tendon reconstruction can improve MCL healing in early and middle period after injury.
4.Outcomes of Pelvic Organ Prolapse Treated by Traditional Surgical Procedures
Ke YOU ; Jinsong HAN ; Fangying GU
Chinese Journal of Minimally Invasive Surgery 2005;0(12):-
0.05).In the 35 patient who had unitary incontinence before the operation,the symptom disappeared in 6(17.1%) patients,and deteriorated in 2(5.7%).While in the 38 patients without urinary incontinence before the operation,9(23.7%) showed the symptom postoperation.Totally,urinary incontinence was developed in 11 patients after the operation.Conclusions The patients with moderate-to-severe pelvic organ prolapse treated by traditional surgical procedures have a low rate of objective cure and a high rate of recurrent cystocele.It is important to repair the anterior pelvic floor during the operation.And the surgeons should be alert to the possibility of urinary incontinence.
5.To improve the understanding of risk factors of age-related macular degeneration
You-xin, CHEN ; Gu-mu-yang, ZHANG
Chinese Journal of Experimental Ophthalmology 2012;30(3):193-198
Age-related macular degeneration (AMD) has become a leading cause of irreversible visual loss in senior population with serious influence to their ability of living independently.Epidemiological researches have revealed various risk factors of AMD,some of which are not controllable such as age,heredity and race ;while others are modifiable such as lifestyle,eye conditions and other systemic diseases.However,the awareness of AMD risk factors is alarmingly low in public.Meanwhile,the understanding of AMD risk factors among ophthalmologists is also unsatisfactory.Therefore,the risk factors of AMD are reviewed here in order to improve the understanding of the ophthalmologists and better guide the clinical management of AMD.
6.Preliminary study on usage of ArthroCare radiofrequency in knee arthroscopic surgery
You WANG ; Dingwei SHI ; Yan GU
Chinese Journal of Orthopaedics 2001;0(03):-
Objective To explore the surgical technique and its promising future of coblation in knee arthroscopic surgery. Methods Twenty cases of different knee problems were treated arthroscopically for partial meniscectomy, cartilage or ligament trimming, synovictomy or lateral retinaculum release with usage of ArthroCare 2000 radiofrequency machine. Arthroscopic diagnosis for these 20 cases were as follows, meniscus tear 6 cases, degenerative cartilage injury on femoral condyle 6 cases, patellar subluxation 5 cases, inflammatory synovitis 2 cases and partial injury of anterior cruciate ligament 1 case. Results The clinic results showed that treatment of injured tissue handled by coblation technique was much precise than that handled by the conventional technique, the former was featured by relative less invasive to the near normal areas and spontaneous coagulation function. No compression wraps were needed to be applied during operation. All patients were comfortable postoperatively with their pain- free and no swelling knees. Conclusion Less pain and easy for early rehabilitation for all ArthroCare 2000 treated cases imply that coblation technique could greatly enhance the clinic results of arthroscopic surgery for knee diseases.
7.The MRI of ductal carcinoma in situ with pathology grade
Tingting JIANG ; Yajia GU ; Weijun PENG ; Chao YOU ; Rui LIU
China Oncology 2013;(8):631-636
Background and purpose:Histological grade of DCIS is an important factor in the prognosis, high nuclear grade have higher inifltration trend and recurrence rate. This study aimed to evaluate the dynamic and morphological MRI charactristics of ductal carcinoma in situ (DCIS) of the breast, then analyze its relations with nuclear grade. Methods:Of the 94 patients, 97 lesions were proved DCIS by pathology. The morphology, maximum size, time-intensity curve of lesion were recorded or measured. Statistic was performed to identify MR imaging features that optimally discriminated HNG from non-HNG DCIS. Results:There were 49 non mass-like enhancement lesions, and 48 masses enhancement lesions. Among 49 non mass-like lesions, 29 were segmental enhancement (59.18%). Dynamic enhanced performance:50 exhibited plateau curves and 27 were washout curves. BI-RADS categories:22 BI-RADS 4A, 19 BI-RADS 4B, 29 BI-RADS 4C, and 27 BI-RADS 5. HNG lesions exhibited larger mean maximum lesion size (non-mass-like enhancement: P=0.01; mass: P=0.03), time- intensity curve was variable to approach signiifcance (P=0.01), and BI-RADS can help to discriminate the nuclear grade (P=0.02). There were no differences in lesion morphology (P>0.05). Conclusion:The preliminary ifndings suggest that DCE MR imaging features may aid in identifying patients with high risk DCIS.
8.Quality of life assessment of 80 cases of persistent allergic rhinitis in adults before and after treatment
Wei ZHANG ; Yiwen YOU ; Miao GU ; Jing CHEN ; Qiang WANG
Chongqing Medicine 2013;(31):3776-3778
Objective To explore the health-relate quality of life(QOL) status of adult persistent allergic rhinitis (PAR);the change of QOL of pro-post specific immunotherapy (SIT) and pharmacotherapy .Methods Skin prick tests(SPT) were performed on PAR patients .According to the results ,80 adult cases that were allergic to dermatophagoides were enrolled in ENT outpatient clinic of affiliated hospital of Nantong University from April to August 2011 .The patients were randomly allocated to receive either specific immunotherapy(n=40) or pharmacotherapy (n=40) ,all of them were given RQLQ before and after half-year treatment ;40 cases without any allergic diseases were chosen from ENT in-patient department ,and were given RQLQ .The scores of previous treatment of the PAR group were compared with health control group ,then compared with the scores of post-treatment ,and also compared the scores of post-treatment between the immunotherapy group and pharmacotherapy group .Results The scores of the PAR patients were higher than that of health control patients in all dimensions of RQLQ (P< 0 .05) ,and the most troublesome problems were nasal symptoms .The scores of the patients who received SIT were evidently lower than that of pro-treatment in all dimensions of RQLQ(P<0 .05) ,the scores of the patients who received medical treatment were also lower than before (P<0 .05) , and the scores of the SIT group were lower than the pharmacotherapy group (P<0 .05) .Conclusion The QOL of adult patients with PAR was improved after SIT or drug treatment ,and QOL improvement is more obvious treat by SIT .
9.MRI in the differential diagnosis of breast ductal cancer in situ
Chao YOU ; Yajia GU ; Weijun PENG ; Jian MAO ; Tingting JIANG
China Oncology 2014;(6):463-468
Background and purpose: Ductal carcinoma in situ (DCIS), is precursor lesions of invasive breast cancer, belongs to non-systemic ductal lesions, which is similar to other ductal lesions on imaging. This study aimed to investigate the differential diagnostic value of MRI in DCIS between DCIS with microinvasion (DCIS-MI) and breast intraductal papilloma (BIDP). Methods:All the cases were surgico-pathologically conifrmed. Twenty-four patients were DCIS, 9 patients were DCIS-MI, and 20 patients were BIDP. The MRI charateristics of DCIS, DCIS-MI and BIDP were analyzed and compared. Results:DCIS and DCIS-MI’s performance in the form of MRI is dififcult to differentiate (P<0.05). Compared with BIDP, the ductal and segmental enhancement, typeⅢtime-signal intensity curve (TIC), and the red pseudo-color image were associated with the DCIS. The local area enhancement, typeⅡTIC, and no-red pseudo-color image were associated with BIDP. Conclusion:MRI is a useful for differentiate between DCIS and BIDP, but is dififcult for DCIS and DCIS-MI.
10.Changes of neuronic apoptosis, Rho GDP dissociation inhibitor 2 and Bd-2 in brain tissue of neonatal rats with hypoxic-ischemic brain damage
Hui GU ; Lian JI ; Kai YOU ; Shuang LIANG ; Zhengwei YUAN
Chinese Pediatric Emergency Medicine 2011;18(6):536-538
Objective To investigate the effect of Rho GDP dissociation inhibitor 2 (RhoGDI2) and Bcl-2 in pathogenesis of hypoxic-ischemic brain damage (HIBD).Methods Neonatal 7-day-old Sprague Dawley rats were randomly divided into sham-operation control group,HIBD 6 h group and HIBD 48 h group (n =10 per group).The apoptosis rate of brain cell was measured by flow cytometer and the expression of RhoGDI2 mRNA and Bcl-2 mRNA were detected by Real-time RT-PCR.Results ( 1 ) The ligated cerebral hemisphere of neonatal rats showed obvious edema at 48 h after hypoxia-ischemia.( 2 ) Apoptotic cell appeared at 6 h in HIBD group,the apoptosis rate was ( 1.40 ± 0.12 ) %.The apoptosis rate obviously increased to (15.86 ±0.98)% at 48 h after HIBD,which showed a significant increase compared to sham-operation control group ( P < 0.01 ).( 3 ) The expressions of both RhoGDI2 mRNA and Bcl-2 mRNA were 4.12 ±0.74 and 2.55 ± 0.65 respectively in sham-operation control group.In HIBD group,the expressions of both RhoGDI2 mRNA and Bcl-2 mRNA began to decrease at 6 h after HIBD ( 3.19 ± 0.77,1.96 ± 0.36) and decreased furthermore at 48 h after HIBD ( 1.04 ±0.18,1.06 ±0.17 ).The differences of expression levels among three groups were statistically significant (P <0.01 ).(4) The expression of RhoGDI2 mRNA positively correlated with the expression of Bcl-2 mRNA ( r =0.831,P < 0.05 ).Conclusion With the emerging of apoptosis after HIBD,the expressions of both RhoGDI2 mRNA and Bcl-2 mRNA are decreased.The imbalance of expression of RhoGDI2 is involved in pathogenesis of HIBD by regulating Bcl-2 expression.