Abstract:
:Liposomes have been artificially made into membranous vesicles composed essentially of naturally occurring phospholipids and have been found to serve as a carrier of drugs and an immunological adjuvant. After being intravenously injected, they are quickly removed from the blood circulation and trapped by Kupffer cells of the liver and macrophages of spleen. However, the changes liposomes exert in these cells with which liposomes interact remain unresolved. To clarify this point is very important to assure the safe use of liposomes as drug carriers. Macrophages have many unique functions, and nitric oxide (NO) produced by NO synthase (NOS) which is induced in response to some cytokines and bacterial products such as lipopolysaccharide (LPS) is responsible for the bactericidal, tumoricidal and immune regulatory activities. On the other hand, overexpressed NO is implicated in the development of atherosclerosis, DNA injury, and hypotension associated with septic shock. This article focuses on the effects of liposomes on NO production from LPS-stimulated mice peritoneal macrophages in vitro; we found that liposomes composed of phosphatidylserine inhibit NO production. We also discuss the mechanism of the inhibitory activity of liposomes.
journal_name
Biol Pharm Bulljournal_title
Biological & pharmaceutical bulletinauthors
Aramaki Ydoi
10.1248/bpb.23.1267subject
Has Abstractpub_date
2000-11-01 00:00:00pages
1267-74issue
11eissn
0918-6158issn
1347-5215journal_volume
23pub_type
杂志文章,评审abstract::Berberine has a wide range of biochemical and pharmacologic effects, including antitumor activity, but the mechanisms involved in berberine-induced apoptosis remain unclear. The purpose of the present study was to investigate the changes in oxidative stress and endoplasmic reticulum (ER)-related molecules, which are c...
journal_title:Biological & pharmaceutical bulletin
pub_type: 杂志文章
doi:10.1248/bpb.33.1644
更新日期:2010-01-01 00:00:00
abstract::Restraint stressed rats were used as a model of Shanghuo and a global metabolic investigation of the effects of cantonese herbal tea (CHT) on the model rats was then performed by gas chromatography-mass spectrometry (GC/MS) metabonomics in an attempt to characterize the metabolic changes underlying such stress and any...
journal_title:Biological & pharmaceutical bulletin
pub_type: 杂志文章
doi:10.1248/bpb.b14-00203
更新日期:2014-01-01 00:00:00
abstract::Hepatic organic anion transporters OATP1B1 and OATP1B3 are expressed at the sinusoidal membrane of hepatocytes and contribute to the hepatic uptake of a wide variety of clinically used drugs. To identify the antibiotics that interact with the human organic anion transporters OATP1B1 and OATP1B3, we applied a screening...
journal_title:Biological & pharmaceutical bulletin
pub_type: 杂志文章
doi:10.1248/bpb.34.389
更新日期:2011-01-01 00:00:00
abstract::DNA rich in non-methylated CG motifs (CpGs) enhances induction of immune responses against co-administered antigen encoding genes. CpGs are therefore among the promising adjuvants known to date. However, naked plasmid DNA, even which contains CpG motifs, are taken up by antigen presenting cells via the endocytosis pat...
journal_title:Biological & pharmaceutical bulletin
pub_type: 杂志文章
doi:10.1248/bpb.29.105
更新日期:2006-01-01 00:00:00
abstract::Polyethyleneglycol (PEG) compounds have a large hydrogen bonding capability and possess various functions that depend on the length of the chain and conformational diversity. Modification of a drug with PEG is a well-known technology for improving the physicochemical properties and biological responses of a drug. Ther...
journal_title:Biological & pharmaceutical bulletin
pub_type: 杂志文章,评审
doi:10.1248/bpb.b13-00087
更新日期:2013-01-01 00:00:00
abstract::Most of the fatigue in everyday life is a combination of physical and mental fatigue. Recently, an animal model of combined fatigue was designed by housing rats in a cage filled with water. We have previously hypothesized that mental fatigue is caused partly by neuronal brain damage through the activation of N-methyl-...
journal_title:Biological & pharmaceutical bulletin
pub_type: 杂志文章
doi:10.1248/bpb.35.481
更新日期:2012-01-01 00:00:00
abstract::The effect of the Dynorphin A analog, E2078, on the physicochemical properties of lipid membranes was investigated. E2078 induces the leakage of calcein, especially out of negatively-charged vesicles. The peptide binds to dipalmitoylphosphatidylglycerol sonicated vesicles according to the Lamgmuir isotherm, with a bin...
journal_title:Biological & pharmaceutical bulletin
pub_type: 杂志文章
doi:10.1248/bpb.22.543
更新日期:1999-05-01 00:00:00
abstract::Extract from fruits of Nandina domestica THUNBERG (NDE) has been used to improve cough and breathing difficulty in Japan for many years. To explore whether NDE may alleviate respiratory inflammation, we investigated its effect on expression of cyclooxygenase-2 (COX-2) and production of prostaglandin E₂ (PGE₂) in human...
journal_title:Biological & pharmaceutical bulletin
pub_type: 杂志文章
doi:10.1248/bpb.b110709
更新日期:2012-01-01 00:00:00
abstract::The purpose of this study was to reveal the effectiveness of the polymer coated liposomes as a carrier of the anticancer drug doxorubicin in intravenous administration. The size controlled doxorubicin-loaded liposomes (egg phosphatidylcholine : cholesterol = 1:1 in molar ratio) were coated with hydrophilic polymers (p...
journal_title:Biological & pharmaceutical bulletin
pub_type: 杂志文章
doi:10.1248/bpb.24.795
更新日期:2001-07-01 00:00:00
abstract::We reported previously that monkey embryonic stem cells (ESCs) were differentiated into hepatocytes by formation of embryoid bodies (EBs). However, this EB formation method is not always efficient for assays using a large number of samples simultaneously. A dispersion culture system, one of the differentiation methods...
journal_title:Biological & pharmaceutical bulletin
pub_type: 杂志文章
doi:10.1248/bpb.b12-00866
更新日期:2013-01-01 00:00:00
abstract::Cannabinoids are the active ingredients in marijuana, which is among the most widely used addictive drugs despite the well-documented harmfulness related to its abuse. The mechanism underlying cannabinoid addiction remains unclear, which is attributed partially to the difficulty in behavioral testing of high-dose cann...
journal_title:Biological & pharmaceutical bulletin
pub_type: 杂志文章
doi:10.1248/bpb.b15-00834
更新日期:2016-05-01 00:00:00
abstract::Alzheimer's disease (AD) is the most common cause of dementia, with progressive memory impairment. Recently, neprilysin, a β-amyloid (Aβ)-degrading enzyme has become featured as a drug target for AD. Previously, we identified nobiletin from citrus peels as a natural compound possessing anti-dementia activity. In addit...
journal_title:Biological & pharmaceutical bulletin
pub_type: 杂志文章
doi:10.1248/bpb.b17-00364
更新日期:2018-01-01 00:00:00
abstract::The variable region of heavy chain [V(H)] of human rheumatoid factor (hRF) IgM was connected with the variable region of light chain [V(L)] with the peptide-linker (GGGSGGGSGGGS) by genetic engineering method and the single-chain Fv (scFv) was expressed in E. coli. On design, scFv and scFv (tag) were planned; the latt...
journal_title:Biological & pharmaceutical bulletin
pub_type: 杂志文章
doi:10.1248/bpb.23.941
更新日期:2000-08-01 00:00:00
abstract::Small extracellular vesicles (sEVs), including exosomes as typical example, are cell-derived vesicles comprising lipid bilayer with a diameter approximately 100 nm. sEVs are endogenous delivery vehicles that deliver their contents such as nucleic acids and proteins to recipient cells. Because of their potential nature...
journal_title:Biological & pharmaceutical bulletin
pub_type: 杂志文章,评审
doi:10.1248/bpb.b19-00831
更新日期:2020-01-01 00:00:00
abstract::In this paper we investigated the vascular activity and possible mechanism of Orientin, from bamboo leaves (Phyllostachys nigra), in isolated thoracic aortic rings from New Zealand rabbit. Among the four compounds, studied, only Orientin relaxed phenylephrine-induced contractions with an IC50 value of 2.28 microM in t...
journal_title:Biological & pharmaceutical bulletin
pub_type: 杂志文章
doi:10.1248/bpb.28.37
更新日期:2005-01-01 00:00:00
abstract::Vascular endothelial growth factor (VEGF) plays a crucial role in tumor angiogenesis and represents an attractive anticancer target. We have previously demonstrated that a redox-silent analogue of α-tocotrienol, 6-O-carboxypropyl-α-tocotrienol (T3E) exhibits potent anti-carcinogenic property in human malignant mesothe...
journal_title:Biological & pharmaceutical bulletin
pub_type: 杂志文章
doi:10.1248/bpb.b13-00846
更新日期:2014-01-01 00:00:00
abstract::We examined the association of biological components in airborne particles, i.e., proteins and endotoxins, in outdoor air with asthma exacerbation in the Fukuoka metropolitan area, Fukuoka, Japan. Data on emergency department (ED) visits for asthma in children (age, 0-14 years) and adults (age, 15-64 years) were colle...
journal_title:Biological & pharmaceutical bulletin
pub_type: 杂志文章
doi:10.1248/bpb.b20-00297
更新日期:2020-01-01 00:00:00
abstract::The effects of aged garlic extract (AGE) on longevity and learning and memory performances were studied in the senescence accelerated mouse (SAM). A solid diet containing 2% (w/w) AGE was given to SAM from 2 months of age. The survival ratio of SAM P8, senescence accelerated animals, treated with AGE was significantly...
journal_title:Biological & pharmaceutical bulletin
pub_type: 杂志文章
doi:10.1248/bpb.17.1589
更新日期:1994-12-01 00:00:00
abstract::A plasmid, pEP2104 (23.9 kilobase pairs), from Staphylococcus aureus carries a gene that specifies inducible resistance to 14-membered (erythromycin, EM, and oleandomycin, OL) and 16-membered macrolide (mycinamicin I and II), but not to all of the latter, and to streptogramin type B antibiotics (partial macrolide- and...
journal_title:Biological & pharmaceutical bulletin
pub_type: 杂志文章
doi:10.1248/bpb.16.1288
更新日期:1993-12-01 00:00:00
abstract::Cancer is one of the leading causes of death in the world. The triterpenoid compound asiatic acid derived from the tropical medicinal plant Centella asiatica displays cytotoxic activity on fibroblast cells and several other kinds of cells. The present work studies asiatic acid-mediated growth inhibition of cancer cell...
journal_title:Biological & pharmaceutical bulletin
pub_type: 杂志文章
doi:10.1248/bpb.32.1399
更新日期:2009-08-01 00:00:00
abstract::The present study was undertaken to clarify the effect of group I metabotropic glutamate receptor (mGluR) antagonist, (RS)-1-aminoindan-1,5-dicarboxylic acid (AIDA) on pentetrazol-induced kindled seizures. The mechanism of the anticonvulsant effect of AIDA was also studied. Mice were anesthetized with pentobarbital; t...
journal_title:Biological & pharmaceutical bulletin
pub_type: 杂志文章
doi:10.1248/bpb.33.647
更新日期:2010-01-01 00:00:00
abstract::We have found a new compound from thermophile extracts which inhibits antigen presentation on mouse macrophages. The substance inhibits the expression of the class II major histocompatibility molecule (Ia). It was extracted from Bacillus stearothermophilus UBT8038 and purified by silica gel column chromatography. The ...
journal_title:Biological & pharmaceutical bulletin
pub_type: 杂志文章
doi:10.1248/bpb.17.889
更新日期:1994-07-01 00:00:00
abstract::Apocynum venetum LINN. is an important Chinese crude drug, and its sibling species A. pictum SCHRENK is a confusable herb which is similar to it. The purpose of this study is to develop DNA molecular markers to distinguish A. venetum from A. pictum through the combinative technologies of bulked segregate analysis (BSA...
journal_title:Biological & pharmaceutical bulletin
pub_type: 杂志文章
doi:10.1248/bpb.33.522
更新日期:2010-01-01 00:00:00
abstract::Astragali Radix (AR), is a popular herbal medicine used to treat allergic diseases in Korea, Japan and China. Our study examined the effect of an AR ethanol extract on both in vitro and in vivo murine CD4 T cells' differentiation into Th1 and Th2 subsets. CD4 T cells from Balb/c mice were activated with anti-CD3/anti-...
journal_title:Biological & pharmaceutical bulletin
pub_type: 杂志文章
doi:10.1248/bpb.27.1946
更新日期:2004-12-01 00:00:00
abstract::Sesamin is a major lignan in sesame seeds, and a recent meta-analysis of controlled trials indicated that sesamin intake decreases blood pressure. The antihypertensive effect of sesamin has been suggested to be due to sesamin-mediated suppression of 20-hydroxyeicosatetraenoic acid production catalyzed by CYP4F2. Howev...
journal_title:Biological & pharmaceutical bulletin
pub_type: 杂志文章
doi:10.1248/bpb.b19-00953
更新日期:2020-01-01 00:00:00
abstract::Splenic marginal zone macrophages expressing macrophage receptor with collagenous structure (MARCO) contribute to the clearance of blood-borne pathogens. We determined a splenic adherent cell fraction abundantly containing cells expressing a higher level of MARCO by flow cytometry, and examined the effects of daily ad...
journal_title:Biological & pharmaceutical bulletin
pub_type: 杂志文章
doi:10.1248/bpb.b12-00875
更新日期:2013-01-01 00:00:00
abstract::Nicotine, an addictive substance, is absorbed from the lungs following inhalation of tobacco smoke, and distributed to various tissues such as liver, brain, and retina. Recent in vivo and in vitro studies suggest the involvement of a carrier-mediated transport process in nicotine transport in the lung, liver, and inne...
journal_title:Biological & pharmaceutical bulletin
pub_type: 杂志文章,评审
doi:10.1248/bpb.b18-00134
更新日期:2018-01-01 00:00:00
abstract::In this study, the quantitative analysis of saikosaponins from Radix Bupleuri in China was performed by high performance liquid chromatography. Saikosaponin-a and -d were converted completely into saikosaponin-b1 and -b2 by mild acid treatment. Distinctive measuring of these converted diene-saponins provided a rapid a...
journal_title:Biological & pharmaceutical bulletin
pub_type: 杂志文章
doi:10.1248/bpb.28.1736
更新日期:2005-09-01 00:00:00
abstract::Accumulation of β-amyloid peptide (Aβ) in the brain plays an important role in the pathogenesis of Alzheimer’s disease (AD). Previous studies have demonstrated the neuroprotective role of osthole against oxygen and glucose deprivation in cortical neurons. However, the effects of osthole on Aβ-induced neurotoxicity in ...
journal_title:Biological & pharmaceutical bulletin
pub_type: 杂志文章
doi:10.1248/bpb.b13-00561
更新日期:2013-01-01 00:00:00
abstract::Effects of nebracetam, a novel nootorpic agent, on the synaptosomal uptake of neurotransmitter monoamines of the brain regions were examined. Striatal and hippocampal synaptosomes were isolated by the Percoll gradient method, and the striatal dopamine uptake and hippocampal serotonin uptake were measured in the presen...
journal_title:Biological & pharmaceutical bulletin
pub_type: 杂志文章
doi:10.1248/bpb.20.360
更新日期:1997-04-01 00:00:00