1.Research of resisted function of L-arginine on BP in stress rats.
Yan-Ru YIN ; Jin-Feng HAN ; Lin BAI
Chinese Journal of Applied Physiology 2002;18(2):172-185
Animals
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Arginine
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pharmacology
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Blood Pressure
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drug effects
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Hypertension
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etiology
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metabolism
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physiopathology
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Male
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Oxidative Stress
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drug effects
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Rats
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Rats, Sprague-Dawley
2.Serum Myeloperoxidase Level in Systemic Lupus Erythematosus.
Ming-jian BAI ; Jing FENG ; Feng YU ; Cun-ling YAN ; Chan-juan CUI ; Lei HUANG ; Zhen-ru FENG
Chinese Medical Sciences Journal 2015;30(3):199-202
Adult
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Female
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Humans
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Lupus Erythematosus, Systemic
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enzymology
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Male
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Middle Aged
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Peroxidase
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blood
3.Advances in breast cancer related nomograms
Ru YAO ; Bo PAN ; Qiang SUN ; Ying XU ; Changjun WANG ; Yidong ZHOU ; Feng MAO ; Yan LIN
China Oncology 2013;(9):765-771
Breast cancer is the leading cause of malignancy-related mortality in women worldwide. The more accurate prediction of lymph node metastasis and evaluation of personalized prognosis of breast cancer patients could provide evidence and reference for individualized comprehensive treatment and clinical decision-making. Nomogram is statistical calculation model developed to generate individualized prediction of a certain clinical event through the factors associated with it. Currently breast cancer related nomogram models is most commonly used in the prediction of non-sentinel lymph node status in patients with sentinel lymph node-positive breast cancer, sentinel lymph node metastasis in clinical node-negative breast cancer and prognosis evaluation of breast cancer. This article reviewed the recent advances in breast cancer related nomograms according to the above mentioned three aspects, and evaluated respectively the predictive factors, accuracy, characteristics and clinical application potential.
4.Prenatal education increases breastfeeding rate of preterm infants in neonatal intensive care unit
Xiaofang HUANG ; Qi FENG ; Xifang RU ; Ying WANG ; Xing LI ; Xin ZHANG ; Yan ZHENG
Chinese Journal of Perinatal Medicine 2017;20(7):493-500
Objective To evaluate the effectiveness of maternal prenatal education on promoting breastfeeding rate for preterm infants in neonatal intensive care unit (NICU).Methods Gravidas who were admitted to Peking University First Hospital for any risk of preterm delivery from November 2013 to December 2014 and preterm infants admitted to the NICU (length of stay ≥ 5 d) of the same hospital during the same period were involved.All the gravidas received prenatal education and completed questionnaires.Two hundred and ninety-five preterm infants who met the inclusion criteria were divided into two groups including education group (n=125) and non-education group (n=170) according to whether their mothers received prenatal education or not.Conditions of the preterm infants during hospitalization and after discharge and breastfeeding rates were comparatively analyzed between the two groups.T test,Chi-test and Wilcoxon rank-sum test were used for statistical analysis.Results (1) There were 380 gravidas received questionnaires.Among them,346 (91.1%)completed the questionnaires and were recruited in this study.Only 31.8% (110/346) of these gravidas were active in learning more about breastfeeding and 46.2% (160/346) of them lacked confidence in breastfeeding after the appearance of preterm delivery signs.There were significant improvements in their attitudes towards considering breastfeeding seriously and discussing with their family,confidence in breastfeeding,the importance of colostrum and how to breastfeed a preterm infant in hospital after maternal prenatal education (all P<0.001).Prenatal education was thought to be helpful in 77.5% (268/346) of the gravidas.(2) The two groups of preterm infants showed good homogeneities in gestational age,gender,birth weight and other basal conditions as well as in incidences of in-hospital complications and conditions after discharge (all P>0.05).Proportions of breast milk intake (breast milk intake over total dairy intake) in preterm infants were higher in education group than those in non-education group within 5 d after birth [0.0 (0.0-16.5)% vs 0.0 (0.0-2.5)%,Z=-3.422],>5-≤ 7 d [33.7 (0.0-82.8)% vs 0.0 (0.0-50.3)%,Z=-3.070],>7-≤ 14 d [75.2(23.5-96.4)% vs 47.6(0.0-92.2)%,Z=-2.345] and during hospitalization [58.4 (21.0-78.8)% vs 31.9 (0.0-71.7)%,Z=-3.902] (all P<0.05).Breastfeeding rates were higher in education group than those in non-education group at the age of 5 d [47.2%(59/125) vs 27.1% (46/170),x2=12.747],7 d [70.4% (88/125) vs 51.2% (87/170),x2=11.031],three months [83.3%(65/78) vs 56.1% (60/107),x2=15.297] and six months [64.5% (49/76) vs 49.1% (53/108),x2=4.282] (all P<0.05).Exclusive breastfeeding rates in the first,third and sixth months after birth were higher in education group [45.7%(53/116),42.3% (33/78) and 36.9% (28/76)] than those in non-education group [21.3% (32/150),28.0% (30/107)and 22.2% (24/108)] (22=17.847,4.091 and 4.703,all P<0.05),respectively.Conclusions Most gravidas with risk factors of preterm delivery have no confidence on breastfeeding.Prenatal maternal education is an effective and feasible intervention to improve breastfeeding rate for preterm infants in NICU from early hospitalization till six months after birth.
5.Effect of baicalin on signal transduction and activating transcription factor expression in ulcerative colitis patients.
Feng-yan YU ; Shao-gang HUANG ; Hai-yan ZHANG ; Hong-gang CHI ; Ying ZOU ; Ru-xi LU ; Xue-bao ZHENG
Chinese Journal of Integrated Traditional and Western Medicine 2015;35(4):419-424
OBJECTIVETo explore the intervention of baicalin on signal transduction and activating transcription factor expression of ulcerative colitis (UC) patients.
METHODSRecruited were UC patients at Outpatient Department of Digestive Disease, Inpatient Department of Digestive Disease, Center for Digestive Endoscopy of College City Branch, Guangdong Provincial Hospital of Traditional Chinese Medicine, and Southern Hospital affiliated to Southern Medical University from June 2010 to January 2011. They were assigned to the UC group (33 cases) and the diarrhea-predominant irritable bowel syndrome (IBS-D) group (30 cases). Another 30 healthy subjects were recruited as a healthy control group. Peripheral blood mononuclear cells (PBMCs) in vitro intervened by different concentrations baicalin were taken from UC patients. IL23R gene expressions in vitro intervened by different concentrations baicalin were detected using Q-PCR. Expressions of signal transducer and activator of transcription 4 (STAT4) , STAT6, phosphorylated-STAT4 (p-STAT4), and p-STAT6 were detected using Western blot. Serum levels of IFN-γ, IL-4, IL-6, and IL-10 were measured by ELISA. Effects of different concentrations baicalin on expressions of PBMCs, and levels of IFN-γ, IL-4, IL-10 of UC patients were also detected.
RESULTSCompared with the negative control group, 40 µmol baicalin obviously decreased IL23R gene expression of UC patients (P <0. 01). Compared with the healthy control group and the IBS-D group, p-STAT4/STAT4 ratios increased, p-STAT6/STAT6 ratios decreased, levels of IFN-γ, IL-4, IL-10 all increased in the US group (all P <0. 05). Compared with the negative control, 5 and 10 µmol baicalin groups, 20 and 40 moL baicalin obviously decreased p-STAT4/STAT4 ratios (all P <0. 05); 20 and 40 µmoL baicalin obviously increased p-STAT6/STAT6 ratios (all P <0. 05); 20 and 40 µmoL baicalin obviously lowered levels of IFN-γ and IL-4, and elevated IL-10 levels (all P <0. 05).
CONCLUSION40 µmoL baicalin could in vitro inhibit p-STAT4/STAT4 ratios, adjust p-STAT6/STAT6 ratios and related cytokines, thereby balancing the immunity and relieving inflammatory reactions of UC.
Activating Transcription Factors ; metabolism ; Anti-Inflammatory Agents, Non-Steroidal ; therapeutic use ; Blotting, Western ; Colitis, Ulcerative ; drug therapy ; metabolism ; Cytokines ; metabolism ; Flavonoids ; therapeutic use ; Humans ; Interleukin-10 ; metabolism ; Interleukin-4 ; metabolism ; Interleukin-6 ; metabolism ; Irritable Bowel Syndrome ; drug therapy ; metabolism ; Leukocytes, Mononuclear ; Medicine, Chinese Traditional ; Phosphorylation ; STAT6 Transcription Factor ; metabolism ; Signal Transduction
6.Study on anti-inflammation and immunoloregulation effect of Guizhi Fuling capsule ingredients using high content screening.
Yan-ru WANG ; Na LI ; Liang CAO ; Chen-feng ZHANG ; Tuan-jie WANG ; Gang DING ; Zhen-zhong WANG ; Wei XIAO
China Journal of Chinese Materia Medica 2015;40(6):1005-1011
The present study sought to investigate the anti-inflammation and immunoloregulation effect of 17 Guizhi Fuling capsule ingredients. The anti-inflammatory ingredients on LPS-induced RAW264. 7 cell injury were assessed with ELISA and immunofluorescence. The release of IL-1β, TNF-α, PGE2 were detected with ELISA and the expression of COX-2 was detected with immunofluorescence. The effects of them on promoting splenic lymphocyte proliferation were assessed with MTT and Hoechst 33342 staining method. The results showed that 15 ingredients had obviously anti-inflammatory activity on LPS- induced injury and play the immunoloregulation roles. This study suggested that the 15 ingredients may be the active ingredients on pelvic infection.
Animals
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Anti-Inflammatory Agents
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pharmacology
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Capsules
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pharmacology
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Cyclooxygenase 2
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immunology
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Drugs, Chinese Herbal
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administration & dosage
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Immunologic Factors
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pharmacology
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Inflammation
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drug therapy
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Interleukin-1beta
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immunology
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Macrophages
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drug effects
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enzymology
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immunology
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Male
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Mice
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Mice, Inbred BALB C
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Spleen
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cytology
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drug effects
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immunology
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Tumor Necrosis Factor-alpha
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immunology
7.A new macrocyclic flavonoid from Onychium japonicum
Guang-feng LIAO ; Liu-yan MO ; Ming-xue TENG ; Xiu-hong XU ; Qian-xi HUANG ; Ru-mei LU
Acta Pharmaceutica Sinica 2023;58(2):423-428
Seven compounds were isolated from
8.Release of CD44-proteolytic fragments and their functions.
Journal of Experimental Hematology 2011;19(2):554-556
CD44 is a widely distributed cell-adhesion molecule that participates in a number of biological events. CD44 is proteolytically cleaved by other enzymes and the level of its proteolysis is correlated to the cell activity. The CD44-proteolytic peptides including soluble CD44 and CD44 intracellular domain have different functions in cell events. In recent years, a number of researches found the functions of CD44-proteolytic peptides. In this review, the release of CD44-proteolytic peptides and their functions of these peptides were summarized.
Hyaluronan Receptors
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metabolism
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Hydrolysis
9.Using distance comparison method to build pharmacophore model of epidermal growth factor receptor inhibitors.
Yan-shen GUO ; Feng-ming CHU ; Zong-ru GUO
Acta Academiae Medicinae Sinicae 2004;26(4):379-384
OBJECTIVETo build 3D-pharmacophore model of epidermal growth factor receptor (EGFR) tyrosine kinase inhibitors using distance comparisons method and design novel EGFR inhibitors.
METHODSThirteen typical EGFR inhibitors were selected, and their biologically active conformations were obtained by using DOCK5.0 program, then 3D-pharmacophore model of EGFR inhibitors was built using distance comparisons method.
RESULTSValidation of the 3D-pharmacophore model was carried out and novel structures with potential inhibitory activity were selected by means of 3D-searching and docking method.
CONCLUSIONThis method can improve hit rate of lead compounds discovery and can be used to design novel EGFR inhibitors.
Drug Design ; Enzyme Inhibitors ; Epidermal Growth Factor ; metabolism ; Models, Chemical ; Protein-Tyrosine Kinases ; antagonists & inhibitors ; chemistry ; pharmacology ; Receptor, Epidermal Growth Factor ; antagonists & inhibitors ; chemistry ; Structure-Activity Relationship
10.Report of 8 cases of bcr-abl gene positive thrombocytosis and review of the literature.
Feng-ru LIN ; Yan WANG ; Jing CHEN
Chinese Journal of Hematology 2004;25(9):528-531
OBJECTIVETo analyse the features of 8 cases of Bcr(+) thrombocytosis.
METHODSThe clinical and hematological features and therapeutic outcomes were studied retrospectively in 8 Bcr(+) thrombocytosis and compared with essential thrombocytosis (ET) and chronic myeloid leukemia-chronic phase thrombocytosis (CML-CP-T). BCR-ABL fusion gene was detected with PCR.
RESULTS(1) Except for the presence of BCR-ABL fusion gene, there was no significant difference in clinical and hematological features and therapeutic outcomes between thrombocytosis with or without BCR-ABL. (2) The Bcr(+) thrombocytosis differed from CML-CP-T in the following aspects: female predominance, milder or no splenomegaly, peripheral leukocytes count < 40 x 10(9)/L, less or no basophilia and fewer immature granulocytes in peripheral blood, bone marrow granulocytic and/or megakaryocytic lineage hyperplasia, normal or increased neutrophil alkaline phosphatase score and less blastic transformation.
CONCLUSIONBcr(+) thrombocytosis may be considered as a new member of chronic myeloproliferative diseases, a variant of essential thrombocythemia.
Adult ; Aged ; Female ; Fusion Proteins, bcr-abl ; genetics ; Humans ; Leukemia, Myeloid, Chronic-Phase ; genetics ; pathology ; therapy ; Male ; Middle Aged ; Prognosis ; Thrombocytosis ; genetics ; pathology ; therapy ; Young Adult