1.Effect of GETO on Learning and Memory of Experiment AD Model Rats and Its Mechanism
China Journal of Traditional Chinese Medicine and Pharmacy 2005;0(04):-
Objective: To observe the effect of GETO on learning and memory of experiment AD model rats and search its cholinergic mechanism of action.Methods: ?-amyloid protein(A?_(1-42)) injection into hippocampus in rat was applied to make experimental rat model of AD.Morris water maze test were employed to investigate the function of learning and memory in AD model rats after 4 weeks,and immunohistochemical stain was done with Choline Acetyltransferase(ChAT) and nerve growth factor(NGF) antibodies after Morris water maze test,and system of image pro-plus were used to gain the number and grey degree of positive neurons.Results: In Morris water maze test: The mean escape latent period of the Model rats obviously prolonged than that of the Normal rats,the number of traversing flat roof obviously decreased.The mean escape latent period and the number of traversing flat roof of the GETO rats significantly shorten than the model rats.Immunohistochemical test: The number of positive staining neuron in hippocampus CA1 of ChAT and NGF in the GETO rats was not significantly different from those in the Normal rats and the Donepezil rats,but significantly different from those in Model rats with injection of A?_(1-42)(P
2.Determination of baicalin, rhein and berberine in Yiqing Capsule by HPLC
Chinese Traditional Patent Medicine 1992;0(02):-
AIM: To determine the contents of baicalin, berberine, rhein in Yiqing Capsule(Radix et Rhizoma Rhei, Radix Scutellariae, Rhizoma Coptidis) by HPLC. METHODS: The HPLC system consisted of Kromasil C 18 column (150 mm?4.6 mm, 5 ?m), 0.02 mol?L -1 phosphoric acid (TEA adjusted to pH=6.82)-acetonitrile(40∶11) mixture as mobile phase, detection wavelength at 254 nm, flow rate of 1.0 mL?min -1. RESULTS: The calibration curves of three ingredients were linear within the range of 3.666-73.32 mg?L -1(r=0.9998, baicalin), 0.3112-15.56 mg?L -1(r=0.9998, rhein), 1.221-50.04 mg?L -1(r=0.9999,berberine), respectively. The average recovery of baicalin is 102.3%(RSD=2.5%), berberine for 101.8%(RSD=1.8%), and rhein for 98.3%(RSD=2.9%). CONCLUSIONS: The method is rapid, sensitive and accurate.
3.Development of new magnetic bead separation and purification instrument.
Chinese Journal of Medical Instrumentation 2014;38(3):199-201
The article describes the development of new magnetic bead separation and purification instrument. The main application of the instrument is to capture tubercle bacillus from sputum. It is a pretreatment instrument and provides a new platform to help doctors to diagnose bacillary phthisis. Not only could it be used for tubercle bacillus capturing, but also for gene, protein and cell separating and purification. Because the controller of the instrument is 16-bit single chip microcomputer, the cost could be greatly reduced and it will be widely used in China.
Cell Separation
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instrumentation
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Equipment Design
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Magnetics
4.Comparison of Pulmicort and Dexamethasone's curative effects for acute laryngitis in children
Chinese Journal of Biochemical Pharmaceutics 2014;(1):104-105
Objective To compare Pulmicort and Dexamethasone’s curative effects for acute laryngitis in children. Method Children with acute laryngitis were divided into PUL group and DEX group according their therapy methods. The curative effects and recurrence time were compared. Results The efficiency rate in PUL group was significantly higher than in DEX group (P<0.05). The therapy 3 d and post-therapy dyspnea, hoarseness, bark-like cough and stridor score in PUL group were significantly lower than in DEX group (P<0.05), and the recurrence time of dyspnea, hoarseness, bark-like cough and stridor was significantly shorter (P<0.05). Conclusion Pulmicort could significantly improve the symptoms and signs for children with acute laryngitis with few side effects. Its curative effects are better than dexamethasone.
5.Changes of bone mineral density and metabolism in patients with type 2 diabetes mellitus of different traditional Chinese medicine syndrome types
Chinese Journal of Tissue Engineering Research 2005;9(47):182-184
BACKGROUND: Abnormal changes of bone mineral density (BMD) easily occur in patients with non-insulin-dependent diabetes mellitus (NIDDM),however the mechanisms are still unclear.OBJECTIVE: To investigate the pathophysiological features of changes of BMD and metabolism in patients with NIDDM from the angle of traditional Chinese medicine (TCM) syndrome types.DESIGN: A case controlled and comparative observation.SETTING: Department of Endocrinology of Guangzhou General Hospital of Guangzhou Military Area Command of Chinese PLA PARTICIPANTS: Totally 103 cases (55 males and 48 females) of patients with NIDDM admitted in Department of Endocrine of Guangzhou General Hospital of Guangzhou Military Area Command of PLA from April 2003 to April 2004 were enrolled. They were, according to TCM syndrome types, divided into 3 groups: yin deficiency with heat excess (32 cases),deficiency of both qi and yin (36 cases), and deficiency of both yin and yang (35 cases) groups. The healthy persons of 30 staff, 16 males and 14 females, in the hospital were concurrently recruited as control group. Informed consent was obtained from all the subjects.METHODS: ①A dual-energy X-ray absorption meter was used to determine the bone mineral densities of orthophoric 1-4 lumber vertebrae, total hipbone and head of femur in left hip in each group. ② Radioimmunoassay was taken to measure the content of serum osteocacin (OC). ③Colorimetry was used to measure the level of serum tartrate resistant acid phosphatase (TRACP). ④ q-test and x2-test were respectively used for comparison of measurement and enumeration data.MAIN OUTCOME MEASURES: ①The BMD of the 1-4 lumber vertebrae, total hipbone and head of femur in left hip in each group. ②The morbidities of osteoporosis of subjects in each group. ③ The levels of OC and TRACP in each group.RESULTS:All 103 NIDDM patients and 30 healthy subjects entered the final result analysis. ① The BMD of the 1-4 lumber vertebrae, total hipbone and head of femur in left hip of subjects: The BMD in yin deftciency with heat excess, deficiency of both qi and yin and control groups were obviously higher than that in deficiency of both yin and yang group (P < 0.05-0.01 ) ② The morbidity of osteoporosis: The morbidities of osteoporosis in yin deficiency with heat excess, deficiency of both qi and yin and control groups were obviously lower than that in deficiency of both yin and yang group[34%(ll/32),42% (15/36), 33% (10/30), 71% (25/35),P < 0.01]. ③ The level of OC: The levels in yin deficiency with heat excess and deficiency of both qi and yin groups were obviously higher than that in deficiency of both yin and yang group (P < 0.01 ), but lower than that in deficiency of both yin and yang group (P < 0.05). ④ The level of TRACP: There was no significant difference among groups(P > 0.05).CONCLUSION: ① The volume and formation of bone in NIDDM patients of deficiency of both yin and yang syndrome type were obviously lower than those in healthy persons and NIDDM patients of yin deficiency with heat excess and deficiency of both qi and yin syndrome types, and the osteoporosis morbidity in them was obviously higher than those in healthy persons and the other two syndrome-type patients. ② The quantity and formation of bone in NIDDM patients of deficiency of both yin and yang syndrome type were near to those in healthy persons.
6.Immunohistochemical Analysis of Prostatic Basal Cell
Fudan University Journal of Medical Sciences 2001;28(1):51-53
Purpose To study immunohistochemical quality of prostatic basal cell(PBC). MethodsTherty-seven of basal cell of benign prostatic hypertrophy (BPH) were studied using routine HE stavningand En Vision immunohistochemical methods. Results The positive rate of 34βE12 in PBC were 100 %;but all of the PBC were negative with Vim and SMA; the positive expression of PsAP PSA in PBC were35% ;expression of ck in the PBC was 71% and the positive rate of S-100 in PBC was onty 13.5%.Conclusions The resuts suggest that high molecular weight keratin 34βE12 is a specific marker to PBC;PBC has ability to adenoid epithelia differentiation of prostate and hyperplasia itself. PBC play an importantrole in growth, hyperplasia and disease of prostate. The PBC unlike myoepithelia, the ability to myoepitheliadifferentiation is to go a step further controversial opinion.
7.Mechanisms underlying the antibiotic resistance of Pseudomonas aeruginosa
Journal of Medical Postgraduates 2003;0(11):-
Pseudomonas aeruginosa,a ubiquitous organism,shows a remarkable resistance to antibiotics because of its low permeability of the outer-membrane,over-expression of efflux pumps,inactivation of antibotics,or mutations in targets.These mechanisms are often present simultaneously,and increase the burden on clinical therapy.
8.Pathogenic Mechanism Associated with Insulin Resistance and Adiponectin Abnormality in Carotid Atherosclerosis Patients Complicated with Nonalcoholic Fatty Liver Disease and Their Relationships with Traditional Chinese Medical Syndrome Types
Journal of Guangzhou University of Traditional Chinese Medicine 2004;0(05):-
Objective To explore the pathogenic mechanism associated with insulin resistance(IR) and adiponetin(APN) abnormality in carotid atherosclerosis(CAS) patients complicated with nonalcoholic fatty liver disease(NAFLD),and to study their relationships with traditional Chinese medical(TCM) syndrome types.Methods Seventy-four CAS patients complicated with NAFLD(group A) and 25 CAS patients(group B) were enrolled into the study.Fasting blood glucose(FBG),fasting serum insulin(FI),and serum APN levels were measured.IR and APN were evaluated by the homeostasis assessment(HOMA) method.HOMA-IR and APN in group A were compared with those in group B,and bivariate correlation analysis was made between the two indexes in group A.The relationship of HOMA-IR and APN with TCM syndrome types was analyzed in group A.Results (1) HOMA-IR was obviously increased,and APN was obviously decreased in group A(P
9.Modified cervical single open-door laminoplasty combined with segmental lateral screw fixation for the treatment of multilevel cervical spondylotic myelopathy
Clinical Medicine of China 2017;33(7):643-647
Objective To compare the clinical effects of modified single open-door laminoplasty combined with segmental lateral screw fixation with conventional single open-door combined with continuous screw fixation in the treatment of multilevel cervical spondylotic myelopathy (MCSM).Methods Retrospective analysis was used to analyze the fifty-five cases of MCSM who underwent posterior operation in Lianyungang Hospital Affiliated to Xuzhou Medical University from March 2009 to January 2017.Among them,26 cases in the modified group were treated by modified single open-door laminoplasty combined with segmental lateral screw fixation;29 cases in the traditional group were treated by conventional single open-door combined with continuous screw fixation.JOA score collected before the operation and at the last time of the follow-up,the cervical spine mobility,cervical curvature,cervical axial symptom,C5 nerve root palsy and the incidence rate of screw fracture in both groups were compared.Operation time and the intraoperative blood loss were recorded.Results 55 cases were all followed up.The cervical spine mobility at the last time of the follow-up in the modified group was significantly higher than that of the traditional group ((39.63°±5.98°) vs.(36.14°±6.05°),P=0.036).The cervical curvature in the modified group was higher than that of the traditional group ((19.83°±5.61°) vs.(16.02°±7.05°),P=0.030).The operation time and intraoperative blood loss in the modified group were significantly lower than those of the traditional group ((116.3±13.2) min vs.(128.7±14.3) min,(186.7±39.8) ml vs.(228.7±42.5) ml,P=0.002,0.000).In the modified group,the proportion of patients with postoperative cervical axial symptom was 15.38%,the rate of C5 nerve root palsy cases was 8.69%,compared with 48.27% and 34.48%,respectively in the control group,the difference between the two groups was statistically significant (P=0.011,0.022).In the traditional group,2 cases of screw fracture were found at the last follow-up,while there was no such case in the modified group.Conclusion The modified cervical single open-door laminoplasty combined with segmental lateral screw fixation can obtain good effect of nerve decompression,maintain cervical mobility and cervical curvature,reduce the occurrence of postoperative cervical axial symptom,C5 never root palsy,screw fracture and other complications,is a safe and effective surgical method.
10.Progress of diagnosis and treatment of tsutsugamushi disease
Chinese Journal of Applied Clinical Pediatrics 2016;31(10):732-736
Tsutsugamushi disease is an acute infectious disease caused by Rickettsia tsutsugamushi.The clinical symptoms of tsutsugamushi disease are varied and non-specific,such as sudden onset fever with chills,rash,skin eschar of ulcer,lymphadenectasis,et al.Patients could combine with multi-organ dysfunction,include respiratory failure,heart failure,mild renal or hepatic dysfunction,circulatory shock or hematological abnormalities.Since the symptoms and signs are non-specific and resemble other tropical infections like malaria,enteric fever,dengue or leptospirosis,appropriate laboratory tests are necessary to confirm diagnosis,and reduce misdiagnosis and missed diagnosis rate.The mainstay of treatment is the tetracycline,chloramphenicol,macrolide and quinolone group of antibiotics.In mild cases,recovery is complete.In severe cases with multi-organ failure,mortality may be as high as 24%.Improve the early diagnosis and timely treatment of the disease,for improving the prognosis of patients,reduce the disease burden is of great significance.