2.The Study in the US Biotechnology Industry Policy
China Biotechnology 2006;0(03):-
As the cradle of modern biotechnology, the U S biotechnology industry is in the lead of the world. This paper researches and summarizes the U S accelerating biotechnology industry policy and measure in the science& technology management、capital support、industrialization、preferential revenue、human resource and industry cluster. The purpose of the study is to help China constitute the policy to accelerate our biotechnology industry development.
3. Clinical analysis of free perforator flap for repairing soft tissue defects of the dorsum of foot
Xuezi YU ; Long ZHANG ; Yinhong WANG
Chinese Journal of Plastic Surgery 2019;35(4):376-380
Objective:
This study aims to analyze the outcome of free perforator flap for repairing soft tissue defects on the dorsum of foot.
Methods:
Thirty-six patients with soft tissue defects on the dorsum of foot were treated at a single institution from March 2015 to September 2017. They were 20 males and 16 females, aged from 21 to 59 years old, with the mean age of 39.4 years. The causes of injury include crush injury (
4.Relationship between anogenital distance and cryptorchidism in human newborns.
Da-peng JIANG ; Hong-quan GENG ; Hou-wei LIN ; Yu XI-NA ; Xi-wei ZHANG ; Shu-long YANG ; Shuai WANG
National Journal of Andrology 2015;21(5):432-435
OBJECTIVETo explore the relation of the anogenital distance (AGD) with cryptorchidism in male newborns.
METHODSThis study included 350 male infants delivered in two community hospitals between September 2013 and September 2014. Within 24 hours after birth, a pediatric surgeon measured the AGD of the neonates and determined whether they had cryptorchidism. According to the testicular position, we divided the undescended testes into three types: upper scrotal, inguinal, and non-palpable.
RESULTSTotally 39 cases of cryptorchidism were found in the 350 newborns. The AGD of the cryptorchidism infants was significantly shorter than that of the normal neonates ([2.01 ± 0.22] vs [2.35 ± 0.19] cm, P < 0.01), and statistically significant differences remained even when preterm and low birth-weight infants were excluded ([2.32 ± 0.14] vs [2.06 ± 0.19] cm; (2.37 ± 0.17) cm vs (2.12 ± 0.12) cm, all P < 0.01). The newborns with higher-position cryptorchidism had a shorter AGD, though with no significant difference (F = 0.434, P > 0.05). No significant differences were observed in the AGD between unilateral and bilateral cryptorchidism ([1.96 ± 0.13] vs [2.02 ± 0.17] cm, P > 0.05).
CONCLUSIONShorter AGD is associated with a higher incidence of cryptorchidism in male newborns. AGD could serve as a potential biomarker for disruption of androgen action during the male programming window period.
Androgens ; physiology ; Cryptorchidism ; diagnosis ; Humans ; Infant, Low Birth Weight ; Infant, Newborn ; Infant, Premature ; Male ; Perineum ; abnormalities
5.Diagnosis and treatment of post traumatic spasmodic flat foot.
Yin YANG ; Long-Wen BAI ; Yan-Ping ZHANG
China Journal of Orthopaedics and Traumatology 2008;21(12):917-918
OBJECTIVETo discuss diagnosis and treatment of post traumatic spasmodic flat foot.
METHODSFrom 2002 to 2007, 7 diagnosed patients were recruited and underwent following procedures: under epidural anesthesia or common peroneal nerve block anesthesia, massage was performed on the peroneal muscles for about 5 minutes, then ankle joint was underwent with passive functional exercise. Feeling muscle relaxation, we held the wounded foot in varus and adducted position forcefully, then immobilized it with short leg cast. After 3 weeks of continuous immobilization, the cast was removed and patients were given physical treatment and functional training.
RESULTSSymptoms of these patients such as claudication and pain in foot were improved, the foot deformity was corrected and foot arch restored to normal. After a follow-up of 6 months,no obvious recurrence was observed.
CONCLUSIONThe diagnosis of post traumatic spasmodic flat foot is based on the careful inquiry of traumatic history,physical examination and X-ray results. Manipulative reduction under common peroneal nerve block anesthesia and cast immobilization is a simple and effective method to treat this disease.
Adolescent ; Adult ; Anesthesia ; Female ; Flatfoot ; diagnosis ; etiology ; therapy ; Foot Injuries ; complications ; Humans ; Male ; Middle Aged ; Spasm ; diagnosis ; etiology ; therapy
6.Application of mouse anti AEG-1 monoclonal fluorescent antibody in malignant serous cavity effusions
Man LU ; Min LONG ; Chong LIU ; Xi CHEN ; Chen WANG ; Huizhong ZHANG
International Journal of Laboratory Medicine 2016;(3):289-290
Objective To use mouse astrocytes elevated gene‐1 (AEG‐1) monoclonal fluorescent antibody for detecting tumor cells in malignant serous cavity effusions .Methods The expression of AEG‐1 in serous cavity effusion exfoliated cells by PCR and Western‐blot ;the mouse monoclonal anti‐AEG‐1 fluorescent antibody and tumor cells in malignant serous cavity effusions were co ‐incubated ,meanwhile ,the serous cavity effusions in benign lesions were taken as the negative control .Results The AEG‐1 expres‐sion was positive in malignant serous cavity effusions exfoliated cells ,while which in benign lesion serous cavity effusion was nega‐tive or weakly positive ;meanwhile the results of direct labelling in mouse anti AEG‐1 monoclonal antibodies were consistent with the results by PCR and Western‐blot .Conclusion Mouse anti AEG‐1 monoclonal fluorescence antibody can provide certain theoret‐ical basis for the detection of tumor cells in serous cavity effusion .
7.Long-term outcome of 160 patients with stage Ⅱb cervical carcinoma treated with pre-operative and intra-operative radiotherapy
Ying GAO ; Zi LIU ; Xi CHEN ; Hongbing MA ; Wei LUO ; Long ZHANG
Chinese Journal of Radiation Oncology 2010;19(4):321-323
Objective To investigate the 5-and 10-year survival and complications of patients with stage Ⅱb cervical carcinoma treated by pre-operative photon radiotherapy (POPRT) plus brachytherapy (192Ir) and selective lymphadenectomy hysterectomy (SLH) plus intra-operative electron radiotherapy (IOERT). Methods From February 1997 to May 2007, 160 patients with stage Ⅱb cervical carcinoma were treated by POPRT of 20 Gy in 10 fractions to the whole pelvis, 192Ir brachytherapy of 14 Gy in 2fractions, followed by IOERT of 18 -20 Gy to the whole pelvis during SLH one week after. Results The follow-up rate was 98.1%. The number of patients followed-up for 5 and 10 years was 143 and 135,respectively. The 5-year overall survival rate, disease-free survival rate and local control rate of all patients were 89.4%, 86. 3% and 96. 3%, with the corresponding 10-year rates of 84.4%, 81.0% and 95.0%,respectively. The radiation-induced rectitis and cystitis were 5.0% and 0. 6%, respectivly. The rate of hydronephrosis and lower extremity edema was 6. 3% and 1.3%, respectively. Conclusions Combination of EBRT plus 192Ir brachytherapy and SLH plus IOERT could improve the survival and local control of patiens with cervical carcinoma, with only a few side effects.
8.Evaluation of Dual-source Computed Tomography Angiography from Patients of Congenital Heart Defects with Tetralogy of Fallot Associated with Cardiovascular Malformation.
Qihua LONG ; Zhigang YANG ; Wen DENG ; Xi LIU ; Jing CHEN ; Huayan XU ; Ge ZHANG
Journal of Biomedical Engineering 2015;32(2):418-422
The aim of this study was to clarify characteristics of cardiovascular malformation in patients associated with tetralogy of Fallot (TOF) by using dual-source computed tomography (DSCT) angiography. We retrospectively analyzed DSCT angiography of 99 consecutive patients with TOF. In addition to typical CT features of TOF in all patients, the DSCT angiography showed 27 cases (27.27%) of atrial septal defect, 14 cases (14.14%) of patents ductus arteriosus, 11 cases (11.11%) of bicuspid pulmonary valve, 18 cases (18.18%) of congenital coronary artery malformation, 22 cases (22.22%) of right aortic arch, 12 cases (12.12%) of persistent left superior vena cava, 8 cases (8.08%) of retro-aortic innominate vein and 9 cases (9.09%) of pulmonary venous anomalous. DSCT is capable of displaying anatomical characteristics of cardiovascular malformation in patients with TOF.
Angiography
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Heart Defects, Congenital
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diagnosis
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Humans
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Retrospective Studies
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Tetralogy of Fallot
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diagnosis
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Tomography, X-Ray Computed
9.The study of correlation between anti-cyclic citrnllinated peptide antibody and rheumatoid arthritis
Xi-De LIU ; Long CAI ; Zhao-Dong LI ; Jin-Lu ZHANG ;
Chinese Journal of Rheumatology 2000;0(06):-
Objective To explore the correlation between anti-cyclic citrullinated peptide(A-CCP) antibody and tumor necrosis factor(TNF)-?, rheumatoid factor(RF), ESR, PLT count and clinical features in patients with rheumatoid arthritis(RA), and the outcome of unclassified arthritis(arthralgia)patients after six months follow up. The value of A-CCP antibdy in the diagnosis of early RA and its pathogenetic roles is in- vestigated. Methods A-CCP antibody and TNF-?were detected by ELISA and the RF was tested by the rate scatting immunity method in 91 RA patients, 46 unclassified arthritis(arthralgia)patients and 45 other rheumatic diseases patients. Results A-CCP antibody levels in serum correlated significantly with TNF-?levels, PLT count and the degree of joint swelling in RA and unclassified arthritis(arthralgia)patients(r= 0.854, P=0.O00; r=0.882, P=0.000; r=0.318, P=0.002; r=0.486, P=0.001; r=0.291, P=0.005; r=0.731, P= 0.000 respectively). A-CCP antibody levels in serum was weakly negatively correlated with the gripping power in RA patients(r=0.228, P=0.030). And it was weakly correlated with ESR in unclassified arthritis(arthrai- gia)patients(r=0.365, P=0.013). Compared with other rheumatic diseases patients, A-CCP antibody levlels in serum increased significantly in RA and unclassified arthritis(arthralgia)patients(P=0.000). Compared with normal controls, it increased in other rheumatic diseases patients(P=0.011). Twenty-four patients had positive A-CCP antibody in 46 unclassified arthritis(arthralgia)patients. Thirty-two out of 46 unclassified arthritis(arthralgia)patients were early RA after 6 monthes follow up. 95.8%(23/24)unclassified arthritis (arthralgia)patients with positive A-CCP antibody were early RA. Conclusion A-CCP antibody reflects disease activity in certain extent. It's benefit to the diagnosis of early RA. High A-CCPantibody levels com- bined with high levels of TNF-?, ESR, PLT count and joint swelling can help the diagnosis of early RA.
10.Anatomical and clinical study of the supinator syndrome evoked embitterment test.
Long-xi REN ; Qiu-tie BAI ; Ting-cai ZHANG ; Yan-song WANG ; Wei ZHAO ; Min ZHANG ; De-long LIU
Chinese Journal of Surgery 2004;42(8):465-468
OBJECTIVETo explore the mechanism and feasibility of the supinator syndrome evoked embitterment test from anatomy and clinic.
METHODS25 cases of The supinator syndrome were reviewed. 18 of them were male and 7 were female. Drop finger deformation were apparent in 25 cases and The supinator syndrome evoked embitterment test was positive for All patients. Operative neurolysis was done in 8 cases, conservation treatment 17 cases; 92 cadaver upper extremities were dissected for a study the relationship between supinator tunnel and posterior interosseous nerve.
RESULTS22 cases had been followed up for an average of 9 months. 16 cases had a full recovery and 6 cases, a partial recovery. the anatomical study shows that The posterior interosseous nerve was compressed by Forhse arcade and the distal border of the supinator muscle during passive pronation forearm.
CONCLUSIONThe supinator syndrome evoked embitterment test was a new test for the diagnosis of supinator syndrome, it was found to be more sensitive and specific than the others test.
Exercise Test ; methods ; Female ; Humans ; Male ; Nerve Compression Syndromes ; diagnosis ; Radial Nerve ; pathology ; Radial Neuropathy ; diagnosis ; pathology ; therapy ; Sensitivity and Specificity