4.Study on Refolding Ways of Recombinant pro-Carboxypeptidase B
Xiao-Yan ZHANG ; Hai-Feng LIU ; Qin-Sheng YUAN ;
Microbiology 1992;0(02):-
dialysis.
5.Changes of Serum Levels of N-Terminal Pro-Brain Natriuretic Peptide in Children with Congestive Heart Failure Complicated with Different Pathogeny and Its Relationship with Pulmonary Hypertension
hai-ying, ZHOU ; hua-feng, YU ; xiao-wen, ZHOU
Journal of Applied Clinical Pediatrics 1992;0(06):-
0.05).Conclusions Serum NT-proBNP level is sensitive and specific for the diagnosis of pneumonia complicated with CHF and CHD complicated with CHF. There is an increasing tendency of NT-proBNP level companied increasing pulmonary pressure.
6.Application of the Innovative and Integrative Experiments on Special Skills Training in Food Sciences
Shu-Qing LIU ; Xiao-Lu JIANG ; Hai-Jin MU ; Jin-Xiao FENG ; Wen-Xiao LIU ;
Microbiology 1992;0(03):-
In order to make students have integrative qualities and reform the shortage of former teaching methods in the food microbiology experiment,a new experiment teaching system was established,introducina the integrative and innovative experiment to the students gradually.The reformation of experiment in food microbiology has trained the students well and improved their special skills.Most important of all,it can offer them a chance to realize their own ideas.The students can design an innovative and integrative experiment to carry out their originalities.Good effects have been made since this system is very helpful to improve their consciousness of innovation and integrative abilities in doing experiments.
7.Gastric adenocarcinoma associated with myelolipoma of parietal pleura: a case report.
Dong-sheng ZHANG ; Dong-hai LI ; Hai-xia BI ; Xiao-feng WU
Chinese Journal of Pathology 2006;35(7):437-437
Adenocarcinoma
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pathology
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surgery
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Biopsy
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Diagnosis, Differential
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Gastric Fundus
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pathology
;
surgery
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Humans
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Male
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Middle Aged
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Myelolipoma
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pathology
;
surgery
;
Neoplasms, Multiple Primary
;
pathology
;
surgery
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Pleural Neoplasms
;
pathology
;
surgery
;
Stomach Neoplasms
;
pathology
;
surgery
8.Relation Between Hemoglobin and Blood Pressure
Hai-Lan ZHONG ; Xin-Zheng LU ; Xiu-Mei CHEN ; Xiao-Hui YANG ; Hai-Feng ZHANG ; Ke-Jiang CAO ; Jun HUANG ;
Chinese Journal of Hypertension 2006;0(12):-
Objective To study the relationship between peripheral blood hemoglobin (HB) and blood pres- sure.Methods We performed a cross-sectional analysis in 1153 subjects aged 29-83 years.Waist circumfer- ence,HB,blood pressure,high-density lipoprotein cholesterol(HDL-C),low-density lipoprotein cholesterol(LDL- C),triglycerides (TG),total cholesterol (TC) were determined.Results ①With the increasing of blood pres- sure,HB had a clearly increasing trend (HB,normotensive:137.5?14.7 vs prehypertension:143.4?14.4 vs hy- pertension:144.3?13.8 g/L,P
9.5-HT(1A) receptors are involved in the modulation of respiratory rhythmical discharge activity in the medulla oblongata slice preparation of neonatal rats.
Zheng QIN ; Zhong-Hai WU ; Xiao-Feng WANG
Acta Physiologica Sinica 2007;59(3):293-298
The present study was carried out to determine the role of 5-HT(1A) receptors in the generation and modulation of basic respiratory rhythm. Neonatal (aged 0-3 d) Sprague-Dawley rats of either sex were used. The medulla oblongata slice was prepared and the surgical procedure was performed in the modified Kreb's solution (MKS) with continuous carbogen (95% O2 and 5% CO2), and ended in 3 min. In cold MKS, a 600-700 microm single transverse slice was cut, which was rostral to the edge of area postrema and retained the hypoglossal nerve roots and some parts of the ventral respiratory group. The preparation was quickly transferred to a recording chamber and continuously perfused with carbogen-saturated MKS at a rate of 4-6 mL/min at 27-29 degrees C. Glass adsorb-electrodes containing Ag-AgCl needle were attached to the ventral roots of the hypoglossal nerve. Respiratory rhythmical discharge activity (RRDA) of the rootlets of hypoglossal nerve was recorded. Ten medulla oblongata slice preparations were divided into two groups. In group I, 5-HT(1A) receptor specific agonist (+/-)-8-hydroxy-2-(di-N-propylamino)tetralin hydrobromide (8-OHDPAT, 20 micromol/L) was added into the perfusion solution for 10 min first, after washing out, the 5-HT(1A) antagonist [4-iodo-N-[2-[4-methoxyphenyl]-1-piperazinyl]ethyl]-N-2-pyridynyl-benzamide hydrochloride] (PMPPI, 10 micromol/L) was applied to the perfusion solution for 10 min. In group II, after application of 8-OHDPAT for 10 min, additional PMPPI was added into the perfusion solution for 10 min. The discharges of the rootlets of hypoglossal nerve were recorded. Signals were amplified and band-pass filtered (100-3.3 kHz). Data were sampled (1-10 kHz) and stored in the computer via BL-420 biological signal processing system. Our results showed that 8-OHDPAT increased the respiratory cycle (RC) and expiratory time (TE) as well as reduced the integral amplitude (IA), but the changes of the inspiratory time (TI) were not statistically significant. PMPPI induced a significant decrease in RC, TE and TI, but the changes of IA were not statistically significant. The effect of 8-OHDPAT on the respiratory rhythm was partially reversed by additional application of PMPPI. Taken together with previous results, 5-HT(1A) receptors may play an important role in the modulation of RRDA in the medulla oblongata slice preparation of neonatal rats.
8-Hydroxy-2-(di-n-propylamino)tetralin
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pharmacology
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Animals
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Animals, Newborn
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Medulla Oblongata
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physiology
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Piperazines
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pharmacology
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Pyridines
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pharmacology
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Rats
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Rats, Sprague-Dawley
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Receptor, Serotonin, 5-HT1A
;
physiology
;
Respiration
10.Advance in the study of targeting delivery system for siRNA mediated by aptamers.
Xiao-Lin WANG ; Qing-Qing WANG ; Hai-Feng SONG
Acta Pharmaceutica Sinica 2012;47(7):850-855
RNA interference (RNAi), as a new technology of gene therapy, has been used in the studies of many diseases in vitro, however, targeting delivery of small interference RNA (siRNA) is still a bottleneck for clinical therapy of siRNA agents. Aptamer is a group of oligonucleotides with high affinity and targeting, and is becoming another important means of delivery for siRNA. In this review, we summarized siRNA delivery obstacles in vivo and recent attractive developments increatively using cell-internalizing aptamers to deliver siRNAs to target cells.
Aptamers, Nucleotide
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administration & dosage
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metabolism
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Drug Delivery Systems
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methods
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Humans
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Neoplasms
;
therapy
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RNA Interference
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RNA, Small Interfering
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administration & dosage
;
metabolism
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SELEX Aptamer Technique