1.The Effect of Trichostatin A on Histone Acetylation and mRNA Expression of ING1b Gene in Human Colon Cancer Cell Line Colo205
Chinese Journal of Clinical Oncology 2010;37(4):181-183
Objective: To investigate the effect of Trichostatin A (TSA) on histone acetylation and expression of ING1b mRNA in Colo205 human colon cancer cell line. Methods: Human colon cancer Colo205 cells were cultured and divided into 4 groups. Cells in the control group (group A) was treated without TSA. In the other three groups, cells were treated with 3 different concentrations of TSA: 50μg/L (group B), 100μg/L (group C), and 200μg/L (group D). At 24 hours after treatment, the level of histone H3 acetylation was analyzed by chromatin immunoprecipitation (CHIP) and the expression of ING1b mRNA was detected by RT-PCR with qPCR. The growth of Colo205 human colon cancer cells in group C and D was obviously inhibited compared with that in group A and B. Results: The Ct value of histone H3 acetylation and mRNA expression of ING1b in group A were 23.25± 0.08 and 23.32±0.05, respectively. After treatment with TSA, the 2~(-△△Ct) value of histone H3 acetylation in group B, C, and D were 1.12, 4.21 and 4.38, respectively. The level of histone H3 acetylation in group C and D was increased more compared with that in group A (P<0.05) and there was no difference between group B and group A (P>0.05). The 2~(-△△Ct) value of the expression of ING1b mRNA in group B, C and D were 1.33, 4.52 and 4.62, respectively. The expression of ING1b mRNA in group C and D were more than that in group A (P<0.05). Group B and group A had a similar level of ING1b mRNA expression (P>0.05). Conclusion: The histone acetylation is probably responsible for ING1b expression silencing in Colo205 human colon cell line. TSA at 100μg/L can increase the level of acetylation and activate the gene transcription which is silenced by low level of acetylation and induce the expression of gene, inhibiting the growth of tumor cells.
2.Correlative risk factor comparison of mild hemorrhage between patients of acute cerebral infarction and transient ischemia attack
Lisheng ZHOU ; Gan CHEN ; Guangrong CHEN
Chinese Journal of Postgraduates of Medicine 2014;37(16):34-36
Objective To compare the risk factors of mild hemorrhage and diiferences of TOAST type in patients with acute cerebral infarction (ACI) and transient ischemia attack (TIA).Methods Forty patients with mild hemorrhage were divided into ACI group(24 cases) and TIA group(16 cases) according to disease classification.Risk factors such as age,blood pressure,blood lipid and so on between 2 groups were compared,TOAST subtype differences of 2 groups were compared.Results The age [(73.3 ± 4.1) years],the ratio of hypertension [95.8%(23/24)],leukoaraiosis [70.8%(17/24)] in ACI group was significantly higher than that in TIA group [(65.5 ± 5.6) years,13/16,9/16],there was significant difference (P < 0.05).The ratio of large-artery atherosclerosis and cardioembolism in ACI group [75.0% (18/24) and 16.7% (4/24)] was significantly higher than that in TIA group (8/16 and 1/16),there was significant difference (P < 0.05).But the ratio of small artery occlusion in ACI group [8.3% (2/24)] was significantly lower than that in TIA group (7/16),there was significant difference (P < 0.05).Conclusion Correlative risk factors of milde hemorrhage in ACI and TIA patients have significant differences.
3.Studies on the Diterpenoid Alkaloids of Yiyulongwutou (Aconitum pseudostapfianum)
Ying CHEN ; Lisheng DING ; Mingkui WANG
Chinese Traditional and Herbal Drugs 1994;0(01):-
From the roots of Aconitum pseudostapfianum W. T. Warig,ten diterpenoid alkaloids were isolated and identified as 14-benzoyl-8-O-methylaconine (Ⅰ ),aconitine(Ⅱ),deoxyaconitine(Ⅲ),penduline (Ⅳ),yunaconitine (Ⅴ), neolinine (Ⅵ), 15?-hydroxyneoline (Ⅶ), neoline (Ⅷ), talatisamine (Ⅸ)and aconosine (Ⅹ). I has not been previously found in nature.
4.UP-REGULATION OF GAP JUNCTION INTERCELLULAR COMMUNICATION BY TEA POLYPHENOLS IN HUMAN METASTATIE LUNG TUMOR CELL LINE
Qingyong CHEN ; Lisheng QIAN ; Yany WANG
Medical Journal of Chinese People's Liberation Army 1981;0(04):-
The anti proliferation effects of four different concentrations of tea polyphenols on PG cell lines were determined with MTT assay. Laser scanning confocal mircroscopy and flow cytometry techniques were used to determine the changes in intracellular calcium concentration, GJIC, Cx43 expression, and cell cycle distribution after treatment with tea polyphenols. The results showed that four different concentrations dose dependently inhibited the proliferation of PG cell lines. It caused a decline in the proportion of cells in S and G2/M phase, blocked the cell cycle progression in G0/G1 phase, and reduced the proliferation index of PG cell lines. Compared with control group, intracellular calcium concentration, GJIC and Cx43 expression were gradually increased ascended with an increase in tea polyphenols concentration. The results suggested that tea polyphenol could inhibit growth of PG cell lines. The mechanism of anti tumor is associated with an up regulation of GJIC of PG cell line.
5.Studies on the Therapeutic Effects of Total Flavonids of Astragalus on Adjuvant Arthritic Rats and Its Mechanism
Yuyou YAO ; Lisheng JIANG ; Minzhu CHEN
Chinese Traditional Patent Medicine 1992;0(09):-
Objective: To study the effect of total flavonoids of astragalus (TFA) on adjuvant arthritic (AA) rats and its mechanism. Methods: The volume of non-injected hind paw of AA rats, serum malondialdehyde (MDA) content, interleukin-1(IL-1) and nitrite (NO - 2) produced from articular synoviocytes were measured. Results: It was obseved that serum levels of MDA and the levels of IL-1 and NO - 2 from synoviocytes increased in AA rats, and the degree of the secondary inflammatory reaction of AA rats appeared to be directly correlated with serum levels of MDA and IL-1. Treatment of whole (d0~27) or partial (d12-18 or d18-24) course of AA rats with TFA (20 mg/kg/d,ig) could not only markedly inhibit the inflammatory reaction in AA rats, but also reduce their enhanced serum lipid peroxides (LPO), IL-1 and NO production from synoviocytes. Conclusion: TFA has significant therapeutic effects on AA rats, which might be related to both of anti-oxidative effect and the reduced production of IL-1 and NO from synoviocytes.
6.Improvement of Pulmonary Functions in Children of Asthma Treated by Combined Topical and Internal Use of Chinese Medicaments
Lisheng WAN ; Taohou CHEN ; Xixiong XIANG
Journal of Traditional Chinese Medicine 1993;0(06):-
Observation on the pulmonary function of 6 -13 -year - old children suffering asthma at remision period revealed that there was blockage of the bronchial passage. After our treatment, the disorder was markedly improved, indicating that the lesion here was reversible.
7.Literature Research on Differentiation of Symptoms and Signs for Classification of Perimenopausal Syndrome
Jiaxu CHEN ; Xia WAN ; Lisheng HU ;
China Journal of Traditional Chinese Medicine and Pharmacy 2005;0(11):-
This article through centile computed the result of classification of perimenopausal syndrome(PPS) in 102 periodical literatures,then took types of syndrome with cumulation frequency above 25 centile as the main syndrome types,took symptoms and objective signs with cumulation frequency above 75 centile as the cardinal symptoms and objective signs of each type of syndrome.The differentiation of symptoms and signs for classification of PPS in TCM were concluded as syndrome of deficiency of kidney-yang,syndrome of deficiency of kidney-yin,deficiency syndrome of both kidney yin and yang,syndrome of imbalance between heart-yang and kidney-yin,syndrome of stagnation of liver-qi,deficiency syndrome of both heart and spleen.The cardinal symptoms and objective signs of syndrome of deficiency of kidney-yang are in terms of intolerance to cold,cold limbs and pale corpulent tender tongue with indentation in margin of the tongue;syndrome of deficiency of kidney-yin are in terms of the sore lumbus and knees,vertigo, tinnitus,tidal fever or hectic fever,fidget,hot sensation in the five centers and night sweating,red tongue;deficiency syndrome of both kidney yin and yang are in terms of vertigo,tinnitus and the sore lumbus and knees;syndrome of imbalance between heart-yang and kidney-yin are in terms of vexation,palpitation and insomnia;syndrome of stagnation of liver-qi are in terms of fullness or distending pain in the hypochondrium,depression or irritability,bitter taste of mouth,chest distress,sighing frequently,wiry pulse;deficiency syndrome of both heart and spleen are in terms of palpitation,insomnia,poor appetite with pale tongue.
8.Effect of buyanghuanwu decoction on angiogenesis and Ang-1/Tie-2 expression after focal cerebral ischemia in mice
Lisheng CHU ; Yuanjun YIN ; Qing KE ; Weiyan CHEN ; Fangming CHEN
Chinese Journal of Behavioral Medicine and Brain Science 2011;20(3):202-204
Objective To investigate the effect of Buyanghuanwu decoction(BYHWD) on angiogenesis and Ang-1/Tie-2 expression after focal cerebral ischemia in mice. Methods Focal cerebral ischemia was induced by 30 min of middle cerebral artery occlusion followed by reperfusion. BYHWD (20 g/kg) was administered orally 24 h after ischemia and once a day. The neurological score and the corner test were used to evaluate sensorimotor function during 28 days after ischemia. The microvessels density and the expression of Ang-1/Tie-2 in the ischemic boundary zone were determined by immunohistochemistry on 28 days after ischemia. Results Compared with the model group, BYHWD significantly ameliorated neurological dysfunction and reduced the number of right turn during 3 to 28 days after ischemia(P<0.05 ). In addition,the numbers of CD31 ,Ang-1 and Tie-2 immunopositive cells were (437 ±59) ,(389 ±61 ) and (251 ±42) at the boundary zone in model group 28 days after ischemia,respectively. However, BYHWD treatment significantly increased the numbers of CD31(609 ± 68 ), Ang-1 (551 ±66) and Tie-2 (342 ±46) immunopositive cells(P<0. 01 ). Conclusion BYHWD promotes angiogenesis,which may contribute to recovery of neurological function after focal cerebral ischemia,and Ang-1/Tie-2 pathway appears to mediate BYHWD-induced angiogenesis.
9.Clinical study of pancreatic lymphoma presenting as acute pancreatitis
Shuang QU ; Lisheng LIAO ; Yun LIN ; Biyun CHEN ; Weimin CHEN
Journal of Leukemia & Lymphoma 2013;22(11):665-667,670
Objective To analyze the clinical features and diagnosis-treatment of pancreatic lymphoma presenting as acute pancreatitis.Methods The clinical records of 7 patients including laboratory findings were retrospectively reviewed.Some related medical literatures were reviewed.Results Seven patients presented acute abdominal pain.Laboratory findings revealed significant increase of serum amylase and lipase levels.CT scan of the abdomen or PET-CT showed a diffuse swelling of the pancreas or masses in the body or tail.Extrapancreatic spread such as bone,bone marrow,spleen infiltrate was found out in 5 patients.Of the 7 patients,6 were diagnosed as the diffuse large B-cell lymphoma,1 as the anaplastic large cell lymphoma.Six patients underwent systematic chemotherapy.Two died and the others received complete or part remission.Conclusion Pancreatic lymphoma is uncommon and represents a rare cause of acute pancreatitis.It needs to be confirmed by histopathologic examination.The standard treatment is not only for acute pancreatitis,but also for NHL including CHOP or CHOP-like chemotherapy.
10.Clinical observation of therapeutic effect of external application of Chinese herbal medicine film plus acupoint-injection on breast hyperplasia
Youyi CHEN ; Lishan HUANG ; Lisheng CHEN ; Ping WANG ; Ping LIN
China Journal of Traditional Chinese Medicine and Pharmacy 2005;0(12):-
Objective:To observe the therapeutic effect ofexternal application ofChinese herbal medicine film plus acupoint-injection on breast hyperplasia.Methods:The 120 cases ofbreast hyperplasia with syndrome ofthe liver failing to maintain the normal flow ofqi were randomly divided into treatment group(40cases) which was treated by external application ofChinese herbal medicine film plus acupoint-injection, acupoint-injection group(40 cases) and control group(40cases).The changes ofsymptoms and signs, level ofserum sexual hormone and color doppler ultrasound analysis ofthree group were observed for comparison.Results:After 1 course oftreatment, the total effective rate oftreatment group was obviously higher than that ofcontrol group(P0.05).After 2 courses oftreatment, the total effective rate oftreatment group and acupoint-injection group was obviously higher than that ofcontrol group(P