1.The relationship between electrophysiological and morphological properties of neurons in visual cortex of developing rat-intracellular staining study
Yali TU ; Zhengqin YIN ; Yingbing LIU
Chinese Journal of Ocular Fundus Diseases 2000;0(04):-
Objective To investigate the relationship between electrophysiological and morphological properties of neurons in visual cortex of developing rat, speculate the coincided degree between electrophysiological and morphological change and realize the mechanism of normal visual development. Methods Whole cell patch-clamp recording and intracellular staining were used to acquire cellular microelectrode recording in visual cortex from Sprague-Dawley rats (4~28 days old). The histological process was made. Results The differences of electrical feature between pyramidal cells and non-pyramidal cells were significant. The morphological maturity degree is different in developing visual cortex. Conclusion The different function of pyramidal and non- pyramidal cells in local integrition is reflected by their electrical feature in the process of visual development. In critical period of visual development, the coincision degree of the electrophysiological and morphological change in visual cortex is larger than that in the subcortex constructure.
2.Effects of total saponins on calcium content and lipid peroxidation in injured spinal cord of rats
Fengchi HE ; Zaiyun LONG ; Li ZHOU ; Yingbing |LIU
Journal of Third Military Medical University 1988;0(05):-
Four hours after the spinal cord of rats was injured,the contents of malondi-aldehyde(MDA)and free fatty acid(FFA)were significantly increased,the activity of xan-thine oxidase(XOD)elevated,the activity of superoxide dismutase(SOD)reduced,and the calcium content significantly increased in the tissues of the injured cord.These facts suggest that there is the generation of calcium-mediated free radicals and lipid peroxidation in the membrane.Intravenous injection of saponins of Panax notoginseng(PNS)in the dosage of 30,90,and 270mg/kg could all inhibit the production of MDA; 270mg/kg could inhibit the release of FFA and the activity of XOD;90mg/kg could significantly decrease the calcium content.These findings indicate that the inhibition of PNS on the calcium influx might be one of the mechanisms of anti-lipid peroxidation in spinal cord injury in rats.
3.Pathological changes of Vessels Following Experimental Anastomosis with Large Blood Vessel Anastomat
Changwen QIAN ; Hengwen YANG ; Junxi FENG ; Yingbing LIU ; Deqiong LI ; Youquan GUO ; Jintai WANG ;
Journal of Third Military Medical University 1983;0(04):-
The thoracic aorlae of 39 goats and the inferior venae cavae of 9 goats were anastomosed experimentally with the Large Blood Vessel Anastomat. The pathological changes of these vessels were observed dynamically within one year after the operation. It was found that the Large Blood Vessel Anastomat was rather effective. The vessels anastomosed with this instrument showed a better result than those anastomosed with manual suture.
4.Roles of nutrition support team for esophageal carcinoma patients treated with concurrent chemoradiotherapy
Minghua CONG ; Shuluan LI ; Guowei CHENG ; Zhong DAI ; Jinying LIU ; Chenxin SONG ; Yingbing DENG ; Weiwei LIU ; Xuehui LIU ; Xiaoyu LI ; Shiyan LU ; Lei YU
Chinese Journal of Clinical Oncology 2014;(18):1158-1162
Objective:To investigate whether the nutrition support team (NST) benefits esophageal carcinoma (EC) patients who are concurrently undergoing chemoradiotherapy. Methods: Between June 2012 and December 2013, 40 EC patients undergoing chemoradiotherapy were divided into the NST group and routine treatment (RT) group, with 20 patients in each group. At the end of chemoradiotherapy, the nutritional status, incidence of complications, and completion rates of radiotherapy were evaluated. The length of hospital stay (LOS) and cost were also compared between the two groups. Results:The nutrition and blood parameter values of the NST group were better (P<0.05) than those of the RT group. The incidence of complications was lower in the NST group (P<0.05) than that in the RT group. In addition, all patients in the NST group achieved the treatment plan, whereas five of the patients in the RT group interrupted or delayed the plan (P<0.05). The average LOS decreased by 3.8 d (P<0.05), and the hospitalization costs were reduced to 6300 RMB person-times (P>0.05) for the patients of the NST group. Conclusion: NST could maintain the nutritional status and improve the treatment compliance and tolerance of EC patients undergoing chemoradiotherapy, thereby shortening the LOS time and reducing the costs.
5.Treatment strategies for acute severe cholangitis
Chinese Journal of Hepatobiliary Surgery 2021;27(10):789-792
Acute severe cholangitis is a serious disease with fast development and high mortality. The therapeutic options are stills limited. Once diagnosed, the key step of treatment is to timely reduce the high pressure of bile duct caused by biliary obstruction, and to block bacteria and toxins from entering the blood, which might trigger inflammation " cascade reaction" . The policy of " relieve obstruction, remove lesions, and bile duct drainage" raised by academician Huang Zhiqiang, is still the criterion for acute cholangitis treatment. Active biliary drainage, early continuous renal replacement therapy, and simultaneous antibacterial therapy and multi-organ function support can significantly improve the disease outcome and reduce mortality.
6. Advances in research on anti-thyroid drugs for recurrence risk factors and predictive models of Graves′ disease
Peng ZHOU ; Yueting ZHAO ; Guofang CHEN ; Chao LIU
Chinese Journal of Endocrinology and Metabolism 2019;35(12):1068-1072
Graves′ disease, also known as diffuse toxic goiter, is an autoimmune disease with increased secretion of thyroid hormone. There are three effective treatments for Graves′ disease, which including anti-thyroid drugs (ATD), radioactive iodine and thyroidectomy. In general, ATD is the first choice of Graves′ disease treatment for domestic physicians, but the high recurrence rate has always been the deficiency of ATD treatment. Recurrence is mainly related to gender, age, smoking, course of disease, goiter and other factors. Among them, the reliability and applicability of single risk factor in evaluating the recurrence rate of Graves′ disease after ATD treatment are poor. The prediction model of multi-factor comprehensive score is helpful for the naive patients to choose the best treatment plan, to achieve the goal of precise treatment and to improve the remission rate of Graves′ disease drug treatment. In this paper, the reliability of risk factors for Graves′ disease recurrence after ATD treatment is evaluated, and the development and application of prediction models such as Graves′ recurrent events after therapy (GREAT) score, GREAT + score, and clinical severity score (CSS) are reviewed.
7.Re-positive nucleic acid detection in COVID-19 patients after discharge from hospital
Shenshen ZHI ; Yi XU ; Yaokai CHEN ; Xiaorong MENG ; Wei ZHANG ; Qinhong ZHANG ; Weizhi BAI ; Yingbing ZHOU ; Yuyao LUO ; Lijuan LI ; Jianda LIU ; Wei LI
Chinese Journal of Laboratory Medicine 2020;43(9):923-926
Cases of 2019-nCoV nucleic acid and antibody (IgM and IgG total antibody) after discharge from a hospital in Chongqing were continuously monitored. It was found that 5 cases of "re-positive" phenomenon, 5 cases of antibody were positive, and there was a trend of increasing with time. "Re-Positive" may be related to the following three factors. Children with asymptomatic infection had a long time of fecal detoxification.There were two consecutive nucleic acid tests "false negative" caused by various reasons.The virus clearance in patients was not complete, and the discharge standard was not conservative enough. The analysis of the causes of "Re-Positive" patients and the discussion of its infection will help us reveal more characteristics of this virus, and to provide a new basis for the discharge standard in the constantly updated diagnosis and treatment programme.
8.Discussion on Coronary Microcirculation Disorder after Myocardial Ischemia Reperfusion Based on “Collaterals-Sweat Pore Qi and Fluid” Theory
Haoyue SHI ; Juju SHANG ; Hongxu LIU ; Shenglei QIU ; Sinai LI ; Wenlong XING ; Yingbing FAN ; Linjing YANG
Journal of Traditional Chinese Medicine 2023;64(18):1862-1865
Coronary microcirculation disorder after myocardial ischemia reperfusion (MIR) is a prominent problem in the treatment of coronary heart disease. According to the physiological commonality between “collaterals-sweat pore qi and fluid” and coronary microcirculation, and the evolution of the course of MIR, it is believed that “heart collateral stasis obstruction, sweat pore constraint and block” is the cause of coronary microcirculation disorder. The evolution of the pathogenesis can be divided into three periods. During the myocardial ischemia period, the pathogenesis is heart collaterals obstruction and sweat pores empty, while during the ischemia reperfusion period, it is internal formulation of deficiency wind, spasms of collaterals or slight heart collaterals obstruction; in the coronary microcirculation disorder period, sweat pores constraint and block, constraint transforming into heat, qi and fluid failing to diffuse are the pathogenesis. The corresponding treatment principle is assisting dredge with supplementation, and supplementing deficiency to dispel stasis; treating wind and blood simultaneously, and extinguishing wind to arrest convulsion; clearing heat and cooling blood, and diffusing qi and unblocking qi and fluid. Moreover, it is recommended to treat the heart and lungs simultaneously, and regulate the heart and liver at the same time.