1.The Difference of Blood Chromosomal Centromeric dots of Patients Infected by CMV after Anti-virus Treatment
Yanhui LIU ; Lifen LI ; Yamin WU
Journal of Medical Research 2006;0(12):-
Objective To study the change of chromosomal centrimeric dots(Cd)aberration of patents infected by CMV after anti-virus treatment.Methods 22 cases who had spontaneous abortion early and infected by CMV(PCR detection)were studied.We analyzed their blood Cd by simultaneous silver attaining technique before and after treatment by anti-virus medicines respectively.Results The rate of Cd aberration of patients infected by CMV was higher.But after treatment by anti-virus drugs,the rate would decrease gradually(P
2.Changes of the myocardium energy metabolism and adenine nucleotide translocase activity in rats after hypoxic exposure
Bing LI ; Junze LIU ; Lifen CHEN
Chinese Journal of Pathophysiology 1986;0(03):-
AIM: To explore the changes of myocardial energy metabolism and adenine nucleotide translocase (ANT) activity in mitochondria in rats exposed to hypoxia. METHODS: Adult male Wistar rats were exposed to simulated high altitude at 5 000 m for control (0 d), 1 d, 5 d, 15 d, 30 d in hypobaric chamber. Myocardial mitochondria were isolated by centrifugation. Mitochondria respiratory function was measured by Clark oxygen electrode. The size of adenine nucleotides pool (ATP, ADP, AMP) in mitochondria were separated and measured by HPLC. ANT activity was measured by [3H]-ADP incorporation. RESULTS: Compared to control, mitochondria state Ⅲ respiratory (ST_3) and RCR decreased and ST_4 increased sharply at 1 d, 5 d and 15 d, ST_3 still lower than that in control at 30 d, while RCR level restored. ATP contents and ANT activity decreased at 1 d and 5 d, then restored to control level at 15 d, then decreased again at 30 d. CONCLUSION: The inhibition of mitochondria respiratory function is the main reason that makes ATP contents decrease during hypoxic exposure. ANT activity and ATP content change cooperatively.
3.CT and MRI findings of desmoid-type fibromatoses
Lifen XIE ; Changhong LIANG ; Jinglei LI
Journal of Practical Radiology 2015;(1):116-120
Objective To investigate the CT and MRI features of desmoid-type fibromatoses(DF).Methods The images of 29 ca-ses with DF proved by pathology were reviewed retrospectively.CT and MRI examinations were performed in 1 5 cases respectively, and both in 1 case.Results The median age was 33.0 years with a male-to-female sex ratio of 1 ︰ 2.2.36 lesions were discovered,among which 26 cases were solitary while 3 cases had multiple focus.1 9 lesions were extra-abdominal,14 ones in the abdominal wall and 3 ones intra-abdominal.The largest diameter of tumors was 13 -1 75 mm.27 lesions displayed ovoid or elongated shape while 9 ones were irregular .The boundary could be clear or unclear.25 lesions extended along muscle planes with consistent long axis.23 focuses grew aggressively,1 6 of which crossed the muscle clearance,while 13 lesions grew expansively.On CT,20 lesions appeared iso-den-sity or slightly hypo-density compared with normal muscles,mostly homogeneous(1 5/20).Most lesions exhibited gadually moderate or obvious enhancement on post-contrast CT,and the enhancement was homogeneous or heterogeneous.1 7 lesions were found on MRI,which presented signal intensity similar to or slightly higher than that of muscles on T1 WI and most were homogeneous(12/1 7);on T2 WI,all were heterogenous with slightly high or high intensity.All lesions demonstrated obvious enhancement on MRI after contrast administration ,and most were heterogeneous(12/1 7).Sheets or bands of low signal were detected within 1 1 lesions with no enhancement.Conclusion DF has some characteristics on CT and MRI,which are valuable for accurate pre-operative diagnosis,and for evaluation of the lesion extent and involvement of adjacent structures.
4.Clinical Value of Combined Detection of Prealbumin Total Bile Acid and Liver Biopsy in Chronic Hepatitis
Lifen BAI ; Hui LI ; Xingning WANG
Journal of Modern Laboratory Medicine 2015;(4):50-52
Objective To investigate the clinical value of combined test of prealbumin (PA),total bile acid(TBA)and liver bi-opsy in chronic hepatitis.Methods 172 patients hospitalized with chronic hepatitis in the Affiliated Hospital of Yan’an Uni-versity Medical College from October,2013 to March,2014 was collected as the chronic hepatitis group;and 45 cases of nor-mal healthy control of the corresponding period was collected as the control group.Prealbumin,TBA was detected respec-tively in the two groups.Immunoturbidimetry was adopted in PA,Enzymatic cycling assay was employed in TBA,and at the same time percutaneous puncture of liver histology was detected in the chronic hepatitis group.Results The PA in the chro-nic hepatitis group (179.12±8.46 mg/L)was lower than the control group (257.34±6.38 mg/L),and the difference was statistically significant (P <0.05).The TBA in the chronic hepatitis group (30.58±9.37 μmol/L)was higher than the con-trol group (8.16±1.59 μmol/L)and also the difference was statistically significant (P <0.05).PA was negatively correla-ted with the pathological grades (rs =-0.617,P <0.05),and TBA was positively correlated with pathological grades (rs =0.724,P <0.05).The separate diagnostic positive rate of PA was 58.7% (101/172),while the TBA was 93.6% (161/172).The combined diagnostic positive rate of the two was 93.6% (161/172),it was higher than the separate rate and was statistically significant (P <0.05).Conclusion The serum levels of PA and TBA can reflect the extent and degree of hypo-hepatia and hepatic inflammation,and the combined detection of the two will be much sensitive to the diagnosis of chronic hepatitis,and compared with histological detection,it is convenient,simple,and easy to operate.
5.Distribution and Resistance to Antibiotics of Shigella in Anhui Province
Lifen HU ; Jun CHENG ; Jiabin LI ; Zhongxin WANG ; Xu LI
Chinese Journal of Nosocomiology 2006;0(02):-
OBJECTIVE To investigate the distribution and the resistance rate of Shigella in Anhui Province to guide the choice of antibacterials. METHODS Ninety one strains of Shigella were cultured in Sep 2005.The groups were identified by biochemical and serologic tests.Susceptibility of 91 strains of Shigella in Anhui to various antibiotics was tested using standardized custom dilution MIC panels according to CLSI(2005) guidelines. RESULTS There were 57 strains of Shigella flexneri,31 strains of S.sonnei and 2 strains ofS.boydii among 91 strains of Shigella.The resistance rates of Shigella to cefoperazone/sulbactam and piperacillin/tazobactam were remarkably lower than to other third generation cephalosporins.The susceptible rates to carbopenems were 100%.The resistance rates to ciprofloxacin lactate and pazufloxacin mesilate were 27.47% and 32.97%,respectively. CONCLUSIONS There is a certain resistance rate of the Shigella to fluoroquinolones and the third generation cephalosporins.More attention should be paid to the surveillance and control of such resistance.
6.Examination and analysis of recurrent spontaneous abortion couples karyotype
Yamin WU ; Chaoqiang LI ; Lifen LI ; Chunrong WU
International Journal of Laboratory Medicine 2017;38(1):29-31
Objective To investigate the correlation between recurrent spontaneous abortion and karyotype correlation,and provide reference for clinical diagnosis and treatment of spontaneous abortion.Methods 51 couples peripheral blood lymphocyte were collected and cultured from March 2010 to March 2013 in the region.Karyotype analysis were performed to observe the distribution of the rate of chromosomal abnormalities situation.Meanwhile the correlation between the number of abortions and chromosomes were compared.Results Among the 102 subjects,32 cases(31.37%)of them were found chromosomal abnormalities in RSA.The ratio of polymorphic mutation accounted for 56.25 % of the chromosome abnormality.accounting for 17.65 % the total.Which was significantly higher than other chromosomal abnormalities(P<0.05).Among the RSA and chromosomal karyotype cases,females accounted for 68.75 %,which was significantly higher than males (31.25 %)(P<0.05).46XY(Y≥18)has the highest incidence in chromosome polymorphism,accounting for 33.33 %,while abortions accounting for 30.77 %.RSA number and incidence of chromosomal abnormalities to miscarriages three times the highest rate of abnormal,accounting for 43.48%.Conclusion Chromosomal abnormalities is an important factor in recurrent spontaneous abortion.Recurrent abortion is not only related to the structure of chromosomes,but also has a certain relationship with the variation of chromosome polymorphism.
7.Analysis on the effect of insulin subcutaneous pump combined with psychological intervention on the treatment of gestational diabetes mellitus
Miaohong LI ; Lifen LI ; Zhangyan YE ; Xiaoqiao XU
Chinese Journal of Biochemical Pharmaceutics 2017;37(7):50-51
Objective To explore the effect of insulin subcutaneous pump combined with psychological intervention on gestational diabetes mellitus.Methods A total of 118 patients were enrolled in this study from November 2015 to October 2016 in Lishui central hospital.The patients were randomly divided into the experimental group and the control group according to the time of hospitalization.The experimental group was given insulin subcutaneous pump combined with psychological intervention.The control group was given insulin subcutaneous pump.Results After intervention, the degree of complete compliance in the experimental group was 86.44% and 28.81% before intervention, the difference was statistically significant(P<0.05).Compared with before treatment, blood glucose and glycosylated hemoglobin were decreased after treatment(P<0.05).The incidence of complications in the two groups include: pregnant women with excessive amniotic, neonatal hypoglycemia, pregnancy induced hypertension syndrome and so on.The difference of complication rate between the two groups was statistically significant(P<0.05).Conclusion The timely and accurate psychological guidance of pregnant women with diabetes mellitus can control the blood glucose in the normal range, reduce the occurrence and development of maternal and child complications, and ensure the safe and healthy mother and child health.
8.Antiproliferation and apoptosis of K562 cells by Astragalus Mongholicus Lectin
Yanxia LI ; Qiaojuan YAN ; Yan SUN ; Zhengqiang JIANG ; Lifen ZHU
Chinese Pharmacological Bulletin 2003;0(07):-
Aim To investigate the effects of Astragalus Mongholicus Bunge Lectin (AMML) on tumor cells proliferation,cell cycle and apoptosis by using human leukemia cell line (K562 cells).Methods The antiproliferation effect of AMML on K562 cells was detected by the colorimetric MTT assay.The apoptosis induced by AMML on K562 cells was explored by means of cell morphological and flow cytometry.Results AMML showed strong inhibiton of the growth of K562 cells in a time-and concentration-dependence. After incubation of K562 cells with AMML at a concentration of 60 mg?L-1 for 72 h,the inhibition ratio was 89%.Morphological observation showed that AMML-treated K562 cells displayed outstanding apoptosis characteristics,such as nuclear fragmentation,chromatin condensation. AMML induced significant cell cycle arrest at S phase in K562 cells,and the apoptosis of K562 cells was confirmed by flow cytometry.Conclusion AMML can inhibit the growth of K562 cells through S arrest and induce the apoptosis of K562 cells. Thus,AMML may be valuable for the treatment of cancer.
9.Influence of anemia on cardiac function in patients with diastolic heart failure
Lifen GUO ; Xiaojun HU ; Feng LI ; Kaili YAN
Chinese Journal of cardiovascular Rehabilitation Medicine 2015;24(2):119-123
Objective: To explore change of hemoglobin (Hb) concentration, the relationship between anemia and left ventricular function and the influence of anemia on prognosis in patients with diastolic heart failure (DHF). Methods: According to NYHA classification, a total of 176 DHF patients were divided into class Ⅱ group (n=78), class Ⅲ group (n=50) and class Ⅳ group (n=48), then Hb level and morbidity rate of anemia were analyzed in each group. According to diagnostic standard of anemia, patients were divided into anemia group (n=58, , occupied 33.0%) and non anemia group (n=118, occupied 67.0% ). Left ventricular diastolic function, mortality rate and rehospitalization rate during follow-up were compared and analyzed between two groups. Results: Along with cardiac function class rose (from class Ⅱ to class Ⅳ), Hb level showed a decreasing trend [(130±6) g/L vs. (108±4) g/L vs. (96±12) g/L], while morbidity rate of anemia gradually rose (8.97% vs. 36.0% vs. 68.8%), P<0.05 all in anemia group;Compared with non-anemia group, there were significant rise in percentages of patients with coronary heart disease (55.1% vs. 65.5%), levels of creatinine [(87.6±39.2) μmol/L vs. (113.7±59.8) μmol/L] and N terminal pro B type natriuretic peptide [NT-proBNP, (578.0±136.7) pg/ml vs. (886.0±174.8) pg/ml], and early-diastolic peak velocity deceleration time [(137±15)ms vs. (196±13)ms], and significant reduction in mitral early/late diastolic peak flow velocity [E/A, (0.87±0.32) vs. (0.62±0.29)], P<0.05 all. Compared with non-anemia group, there were significant rise in mortality rate (9.3% vs. 20.7%) and rehospitalization rate (18.6% vs. 32.8%) in anemia group during follow-up, P<0.05 all. Conclusion: DHF patients often complicate with anemia. Along with heart failure aggravates, their morbidity rate of anemia rises, and anemia may aggravate cardiac diastolic dysfunction. Mortality rate and rehospitalization rate rise in DHF patients complicated with anemia.
10.Effects of Bushen Huoxue Fang on estrogen receptor alpha mRNA in pituitary body of ovariectomized rats with collagen-induced arthritis
Lifen GENG ; Kunshen LIU ; Hua MA ; Baoquan JIAO ; Zhenbin LI
Chinese Journal of Tissue Engineering Research 2009;13(28):5539-5543
BACKGROUND: Pharmacological researches demonstrate that Chinese crude drugs of invigorating the kidney contain flavonoids such as prepared rhizome of rehmannia and kudzuvine root, they possess phytoestrogenic effect, among them, isoflavone acts as a regulator of estrogen receptor.OBJECTIVE: To approach the effects of self-planned Bushen Huoxue Fang (BSHXF) on the serum estradiol and estrogen receptor α mRNA expression in pituitary gland in rats with collagen-induced arthritis. DESIGN, TIME AND SETTING: Randomized grouping controlled animal experiment was performed in the central laboratory of Bethune Intemational Peace Hospital of Chinese PLA between May 2006 and May 2008. MATERIALS: Sixty female and healthy Wistar rats were randomly divided into sham operated group (n=10) and operation group (n=50). Operation group was reproduced collagen-induced arthritis model at 2 weeks following ovariectomy. The rats of arthritic index ≥ 5 were assigned into model group, BSHXF group, methotrexate (MTX) group, and MTX + BSHXF group, each group included 10 rats. The Chinese crude drugs were bought from LERENTANG drugstore in Shijiazhuang, including rhizoma drynariae, safflower, prepared rhizome of rehmannia, Herba Epimedii, danshen root, kudzuvine root and so on. After routine decoction, centrifugalization, rogue and condensing 1.3 kg/L decoction, the solution was sealed up, divided pack and reserved at 4℃.METHODS: Sham operated group and model group were intragastrically administered with normal saline 2 mL per day; BSHXF group with BSHXF decoction 2 mL per day; MTX group with MTX 2.6 mg/kg (2 mL) once a week, and normal saline 2 mL per day at other time points; MTX + BSHXF group with MTX 2.6 mg/kg (2 mL) once a week and BSHXF juice 2 mL per day. Each group was given 6 weeks.MAIN OUTCOME MEASURES: After blooding by abdominalis aorta, magnetic-split enzyme linked immunosorbent assay was applied to detect the level of serum estradiol. Reverse transcription-polymerase chain reaction detected the expression of estrogen receptor a mRNA in rat pituitary gland.RESULTS: Compared with model group, the expression of estrogen receptor a mRNA in pituitary gland increased in the MTX group, but there was not statistically significant. BSHXF + MTX group showed a significantly increased expression (P < 0.01). The expression of estrogen receptor α mRNA in BSHXF group was higher than MTX group, but lower than BSHXF + MTX group (P < 0.05). No significant difference existed between BSHXF group, BSHXF + MTX group and sham operation group. Compared with sham operation group, there were statistically significant decrease of estradiol in the model group. Compared with model group, the estradiol levels were shown to increase in three treatment groups. Among them, MTX group had slightly slower level with no significant difference (P > 0.05), while BSHXF + MTX group had the most obvious increase, which was close to normal level (P < 0.01). There was a significantly positive correlation between estradiol and the expression of estrogen receptor o mRNA (r=0.483, P < 0.05).CONCLUSION: Serf-planned BSHXF possessing oestrogenic hormonelike role can elevate the level of serum estradiol and upregulate the expression of estrogen receptor a mRNA in pituitary gland.