2.ASSESSMENT OF VITAMIN A STATUS IN CHINA BY THE MODIFIED CONJUNCTIVAL IMPRESSION CYTOLOGY (CIC) METHOD
Acta Nutrimenta Sinica 1956;0(04):-
Conjunctival Impression Cytology (CIC) method was modified to assess vitamin A level more exactly and simply in China. The infants (
3.Efficacy of two kinds of intense pulsed light for the treatment of rosacea
Chinese Journal of Dermatology 2021;54(3):207-211
Objective:To compare the efficacy and safety of broad-band intense pulsed light (OPT-IPL) versus narrow-band intense pulsed light (DPL) in the treatment of rosacea-associated erythema and telangiectasia.Methods:Fifty-four rosacea patients who received treatment with intense pulsed light were collected from Laser Department, Hospital of Dermatology, Chinese Academy of Medical Sciences from October 2016 to December 2019, and clinical data were retrospectively analyzed. Their age ranged from 19 to 56 years, and disease duration ranged from 0.2 to 10 years. Of the 54 patients, 22 were treated with OPT-IPL, and 32 were treated with DPL. All patients completed at least one session of treatment and follow-up. Therapeutic efficacy was evaluated by using clinician erythema assessment (CEA) and physician global assessment (PGA) scales, and adverse reactions were assessed. A generalized linear mixed model was used to analyze differences in CEA and PGA scores among different groups and treatment sessions.Results:In the OPT-IPL group, 22, 17 and 10 cases completed 1, 2 and 3 sessions of treatment respectively, with the energy fluence being 16.57±1.21 J/cm 2. In the DPL group, 32, 25 and 16 cases completed 1, 2 and 3 sessions of the treatment respectively, with the energy fluence of 9.76±0.61 J/cm 2. Before the start of treatment and after 1, 2 and 3 sessions of treatment, the CEA scores were 2.38±0.84, 2.29±0.75, 1.94±0.66 and 1.90±0.66 respectively in the OPT-IPL group, and 2.25±0.77, 2.16±0.77, 1.84±0.81 and 1.47±0.81 respectively in the DPL group. As far as the CEA score was concerned, there was no interaction between the groups and treatment sessions ( F=0.57, P=0.638) , and no significant difference between the OPT-IPL group and DPL group ( F=0.84, P=0.360) , but a significant difference was observed among different sessions of treatment ( F=17.90, P< 0.001) , and the CEA score gradually decreased along with the increase of treatment sessions compared with that before treatment (all P< 0.05) . After 1, 2 and 3 sessions of treatment, the PGA scores were 0.39±0.71, 0.82±0.92 and 0.55±0.80 respectively in the OPT-IPL group, and 0.61±0.77, 1.34±1.09 and 1.53±1.38 respectively in the DPL group. As far as the PGA score was concerned, there was no interaction between the groups and treatment sessions ( F=1.62, P=0.202) , and no significant difference between the OPT-IPL group and DPL group ( F=3.93, P=0.050) , but there was a significant difference among different sessions of treatment ( F=19.33, P< 0.001) . Compared with the PGA score after 1 session of treatment, the PGA score gradually increased along with the increase of treatment sessions (all P< 0.001) . After treatment, no adverse reactions, such as blisters and crusts, occurred in either of the 2 groups, and there was no significant difference in the incidence of pigmentation, erythema aggravation, papules or increase in papule count between the 2 groups (all P> 0.05) . Conclusion:The efficacy and safety of DPL are comparable to those of OPT-IPL in the treatment of rosacea-related erythema and telangiectasia, but lower energy fluence is required.
5.Study on Melanoma Gene Expression Profile by cDNA Microarray
Chinese Journal of Dermatology 1994;0(02):-
Objective To study the expression of malignant melanoma(MM) related genes by cDNA microarray technique. Methods mRNA, extracted from tissues of patients and normal controls, was reversely transcripted into cDNA and marked with 33P. The cDNA probes were hybridized to cDNA microarrays, which contained 2000 human genes each array. The down-regulation of two co-differentiated expressed genes was confirmed by quantitative real-time RT-PCR. Results Different expression between MM and normal controls was found in 4.7%-6.15% of genes by more than 2 times,0.75%-1.4% by more than 5 times, and 0.45-0.5% by more than 10 times. These genes were pro-oncogenes, tumor suppressor genes, genes related to apoptosis, cell cycle related genes, and so on. Three genes were down-regulated in all of the patients. Two of those genes, histidine triad nucleotide-binding protein (HINT) and RBP1-like protein (BCAA), were down-regulated, as identification by quantitative real-time RT-PCR. Conclusions cDNA microarray can be used effectively to reveal melanoma gene expression profiling for the propose of carcinogenesis study. HINT and BCAA are the first reported genes down-regulated in MM. However, further studies are needed for their expressive specificity and mechanism in MM.
6.Methylation of p15INK4B gene and its mechanism in patients with myelodysplastic syndrome and leukemia
Chinese Journal of Pathophysiology 2000;0(12):-
AIM: To explore the relationship between hypermethylation of p15INK4B gene and the pathogenesis of hematopoietic malignances. METHODS: The expression and methylation of p15INK4B gene and the expression of DNA methyltransferase genes (DNMTs) in bone marrow cells from 54 cases with hematopoietic malignances were detected by RT-PCR, Western blot, and methylation-specific PCR. RESULTS: The p15INK4B gene was methylated more often in high-risk myelodysplastic syndrome (MDS) patients, patients at blast phase of chronic myeloid leukemia (CML-BP) and acute leukemia patients than that in low-risk MDS patients (P
8.The study of the relationship between the change of HDL level and the severity in patients with sepsis
Qing-Biao LI ; Lin TONG ;
Chinese Journal of Primary Medicine and Pharmacy 2005;0(11):-
Objective To investigate the relationship between the change of HDL level and the severity in patients with sepsis.Methods The levels of HDL were measured in 68 patients with sepsis who were divided into light,middle and heavy group by APACHEⅡscore after final diagnosis of 0,1,2,3,7,14.28 days.Results The levels of HDL in patients with sepsis were lower than those of the normal:the levels of HDL began to decrease at 0 day,got to lowest point after 3 days,and up-regulated gradually after 7 to 28 days.The levels of recovery were the highest in light group,and the lowest in heavy group.Conclusion The levels of HDL in patients with sepsis are low,which is related with the severity of sepsis.
9.lntravitreal injection with ranibizumab combined with triamcinolone acetonide sub-Tenon injection for macular edema due to CRVO
Ting-Ting, LI ; Tong-Tong, NIU ; Hai-Lin, WANG
International Eye Science 2015;(1):98-100
Abstract?AlM: To evaluate the efficacy of intravitreal injection with Ranibizumab combined with sub-Tenon injection with Triamcinolone acetonide ( TA ) for macular edema ( ME) due to central retinal venous occlusions ( CRVO) .?METHODS:Forty-six patients (46 eyes) were diagnosed ischemic CRVO with significant macular edema by fundus fluorescence-angiography ( FFA ) and optical coherence tomography ( OCT ) . All the patients had panretinal photocoagulation ( PRP ) , a week after the four times therapies. Twenty-three patients ( 23 eyes ) in group A were randomly chosen to receive intravitreal injection with ranibizumab ( lVR ) , another 23 patients ( 23 eyes ) in group B to treat with both lVR and sub-Tenon injection with TA ( PSTT ) . There was no significant difference on macular edema and best corrected visual activity ( BCVA) between the two groups. The changes in BCVA and central macular thickness ( CMT) before and 1wk; 1, 3, 6mo after treatments were analyzed.?RESULTS: One week after the treatment: the BCVA increased while the CMT decreased compared with that of pretreatment in groups A and B (P<0. 05). BCVA and CMT changes between two groups were statistically significant differences (P<0. 05). One month and three months after the treatment:the BCVA increased while the CMT decreased compared with that of pretreatment in group A and B (P<0. 05), the difference was significant between two groups ( P< 0. 05 ). Six month after the treatment:the BCVA increased while the CMT decreased compared with that of pretreatment in groups A and B. Compare BCVA difference between the groups was statistically significant change (P<0. 05), CMT difference was not statistically significant (P>0. 05).?CONCLUSlON:Not only lVR can decrease ME caused by CRVO and increase the BCVA, but also lVR combined with PSTT can. But combined therapies can be more rapidly and have more positive effect on decreasing the ME and protecting the visual function.
10.Comparison of effect of lanceolata and astragalus on electrocardiogram of rats with experimental myocardial ischemia
Xiaodan ZHANG ; Lin LIU ; Xin TONG
Chinese Journal of Tissue Engineering Research 2005;9(47):142-143
BACKGROUND: Lanceolata and astragalus can improve myocardial ischemia, which are widely used in clinics.OBJECTIVE: To compare the effects of extract of lanceolata and astragalus on electrocardiogram (ECG) of rats with experimental myocardial ischernia.DESIGN: Completely randomized and controlled study.SETTING: Pharmacological College of Harbin Commerce University.MATERIALS: The experiment was carried out at the Laboratory of Pharmacological College of Harbin Commerce University from September to December 2002. Totally 30 healthy adult Wistar rats were divided randomly into 3 groups: control group, lanceolata group and astragalus group with 10 in each group.METHODS: ① After anesthesia, lead ECG Ⅱ of rats was recorded.30 g/kg saline, 30 g/kg lanceolata extract and 30 g/kg astragalus extract [extract of lanceolata and astragalus (raw drug: 1 g/mL)] were injected into rats in the control group, lanceolata group and astragalus group respectively. After 1-3 minutes, 0.5 U/kg pituitrin was injected intravenously (for model of myocardial ischemia), and then saline was used to dilute from 0.1to 0.2 mL for 10-second injection. Changes of ECG after injection of pituitrin were recorded with LMA-2B Ⅱ physiological recorder (migration of T wave and ST section and change of heart rate). ② Differences of data were compared with t test.MAIN OUTCOME MEASURES: Height of T wave and Migrations of ST section and changes of heart rate of ECG of rats before and after medication.RESULTS: Data of totally 30 rats was entered the final analysis. ①Height of T wave: The height was higher after medication than that before medication in three groups (P < 0.01), but that in astragalus group was obviously lower than that in lanceolata group [(1.63±3.81), (2.18±2.93) mm,P < 0.01]. ② Heart rate: The rate was lower after medication than that of before medication in three groups (P < 0.01), and that in astragalus group was obviously lower than that in lanceolata group [(212.21 ±5.01),(221.18±5.66) time/minute, P < 0.01]. ③ Height of ST section: There were not significantly different in three groups (P > 0.05), and the difference was not obvious before and after medication (P > 0.05).CONCLUSION: ① Both astragalus and lanceolata can protect experimental myocardial ischemia induced by pituitrin. ② Effect of lanceolata on reduction of T-wave height is stronger than that of astragalus, but the effect of lanceolata on reduction of heart rate is weaker than that of astragalus.