abstract：AIM:To study the effects of cimetidine (Cim) on the production of interferon gamma (IFN gamma) and tumor necrosis factor alpha (TNF alpha) by splenocytes in immune-derived aplastic anemic (AA) mice. METHODS:Aplastic anemic mice model was constructed first, and then the splenocytes were induced to secrete IFN gamma and...

journal_title：Acta pharmacologica Sinica

authors： Xia T,Wang QR,Xu YH

更新日期：2001-03-01 00:00:00

abstract：AIM:Catechol estrogens and 16alpha-hydroxy estrogen are important metabolites that cause carcinogenesis. This study was aimed to stud y the role of cytochrome P450 in estradiol metabolism. METHODS:The estradiol metabolites were determined with HPLC-ECD. Correlation of estradiol metabolites production between cytochrom...

journal_title：Acta pharmacologica Sinica

authors： Cheng ZN,Shu Y,Liu ZQ,Wang LS,Ou-Yang DS,Zhou HH

更新日期：2001-02-01 00:00:00

abstract：AIM:To study the stereoselectivity in pharmacokinetics of the enantiomers of trans-tramadol (trans-T) and its active metabolite, trans-O-demethyltramadol (M1) in human subjects. METHODS:Trans-T hydrochloride sustained-release tablets were taken orally by 12 healthy male volunteers. After a multiple dosage schedule, th...

journal_title：Acta pharmacologica Sinica

authors： Liu HC,Liu TJ,Yang YY,Hou YN

更新日期：2001-01-01 00:00:00

abstract：AIM:To study the effect of nomegestrol acetate, a new synthetic progesterone on granulosa cells' viability and steroidogenesis function. METHODS:Granulosa cells were cultured in McCoy's 5A medium. Trypan blue stain was used to measure viable cells. FSH and testosterone were added to stimulate the steroid secretion. Sp...

journal_title：Acta pharmacologica Sinica

authors： Qian LH,Yang B,Leng Y,Cao L,Gu ZP

更新日期：2001-01-01 00:00:00

abstract：AIM:To observe the effects of tripcholorolide (T4) on inflammatory reaction of mouse alveolar macrophages. METHODS:RT-PCR was used to investigate tumor necrosis factor alpha (TNF alpha), interleukin-1 beta (IL-1 beta), IL-6, IL-10, and inducible nitric-oxide synthase (iNOS) mRNA expression in alveolar macrophages afte...

journal_title：Acta pharmacologica Sinica

authors： Qiu HB,Yang Y,Zhou SX

更新日期：2000-12-01 00:00:00

abstract：AIM:To study the antioxidant, activity of Qizhu Tang (QZT) both in vivo and in vitro. METHODS:QZT consists of 4 herbal constituents (Rhizoma Atractylodis Macrocephalae, Poria cocos, Kadix Notoginseng, and Radix Astragali), each of the components and their combinations were examined in vitro for 1, 1-diphenyl-2-picrylh...

journal_title：Acta pharmacologica Sinica

authors： Wang XJ,Feng P

更新日期：2000-12-01 00:00:00

abstract：:A comparison of the cardiovascular actions of the extract of Radix Stephaniae Tetrandrae (RST), the root of a Chinese hero Stephania tetrandra S Moore, in rats with those of tetrandrine (Tet), the best known active component of RST was reviewed. The RST extract inhibits Ca2+ influx into the myocyte and reduces protein...

journal_title：Acta pharmacologica Sinica

authors： Wong TM,Wu S,Yu XC,Li HY

更新日期：2000-12-01 00:00:00

abstract：AIM:To investigate the effects of angiotensin II (Ang II) on corticotropin-releasing hormone (CRH) and argipressin (AVP) release from median eminence (ME) of hypothalamus during acute hypoxia in rats. METHODS:Simulated hypoxia was performed in a hypobaric chamber. CRH and AVP were determined by radioimmunoassay (RIA)....

journal_title：Acta pharmacologica Sinica

authors： Wu Y,Du JZ

更新日期：2000-11-01 00:00:00

abstract：AIM:To study the effect of nociceptin (orphanin FQ), a newly discovered heptadecapeptide, on cholinergic constrictions in isolated trachea and bronchus of rat. METHODS:The electric field stimulation (EFS) induced a monophasic constriction, which was due to an activation of the cholinergic nerves. RESULTS:Nociceptin 0...

journal_title：Acta pharmacologica Sinica

authors： Wu Y,Fang LB,Yang QH

更新日期：2000-10-01 00:00:00

abstract：AIM:To investigate the effect of a group of novel synthetic dithiolane analogs of lignans and a well characterized platelet-activating factor (PAF) receptor antagonist, L659,989 on PAF-receptor binding, IFN-gamma- and lipopolysaccharide (LPS)-induced NO production, and steady-state inducible nitric-oxide synthase (iNOS...

journal_title：Acta pharmacologica Sinica

authors： Hussaini IM,Zhang YH,Lysiak JJ,Shen TY

更新日期：2000-10-01 00:00:00

abstract：AIM:To study the influence of angiotensin (Ang) II receptor antagonist (AT1) valsartan and angiotensin-converting enzyme (ACE) inhibitor fosinopril on the cardiac hypertrophy induced by catecholamine. METHODS:A cardiac hypertrophy model was produced by i.p. norepinephrine (NE) 1.5 mg.kg-1.d-1 x 15 d. The animals were ...

journal_title：Acta pharmacologica Sinica

authors： Xiang Y,Huang J

更新日期：2000-09-01 00:00:00

abstract：AIM:To study the effects of recombinant human macrophage colony-stimulating factor (rhM-CSF) expressed in silkworm on cytokine productions and membrane molecule expressions of monocytes. METHODS:The rhM-CSF was added to the human peripheral blood monocyte cultures and 3 d later, the culture supernatants and cells were...

journal_title：Acta pharmacologica Sinica

authors： Ji XH,Sun LH,Qin JC,Yao K,Ding RN,Li HD,Zhu DX

更新日期：2000-09-01 00:00:00

abstract：AIM:To study the changes and mechanisms of protein-tyrosine kinase (PTK) and protein-tyrosine phosphatase (PTP) activities in the hippocamal synaptosome following cerebral ischemia/reperfusion (I/R) in gerbil. METHODS:Transient (15 min) global ischemia was produced by bilateral carotid artery occlusion. Total PTK and ...

journal_title：Acta pharmacologica Sinica

authors： Pei L,Li Y,Yan JZ,Zhang GY,Cui ZC,Zhu ZM

更新日期：2000-08-01 00:00:00

abstract：AIM:To explore the effects of glutamine on growth and apoptosis of hepatoma cells. METHODS:Mice inoculated with hepatoma cell (H22) suspension subcutaneously at right axilla were orally administered with glutamine (GLN) solution. Human hepatoma cell culture (SMMC-7721) was treated with different concentrations of GLN ...

journal_title：Acta pharmacologica Sinica

authors： Liu SL,Shi DY,Shen ZH,Wu YD

更新日期：2000-07-01 00:00:00

abstract：AIM:To study the effects of MN-9202, a new effective Ca2+ channel blocker, on platelet aggregation, 5-HT and TXB2 release, and calcium transport induced by platelet activators. METHODS:The mobilization of cytosolic-free calcium induced by thrombin in washed platelets was observed by Ca(2+)-sensitive fluorescent indica...

journal_title：Acta pharmacologica Sinica

authors： Wang LL,Mei QB,Zhao DH,Guo ZA

更新日期：2000-07-01 00:00:00

abstract：AIM:To determine the memory-improving properties of huperzine A in aged rats with memory impairments naturally occurring or induced by scopolamine. METHODS:Morris water maze was used to investigate the effects of huperzine A on the acquisition and memory impairments. RESULTS:During 7-day acquisition trials, aged rats...

journal_title：Acta pharmacologica Sinica

authors： Ye JW,Shang YZ,Wang ZM,Tang XC

更新日期：2000-01-01 00:00:00