Abstract:
:We developed binary and ternary complexes based on polymers and liposomes for safe and effective delivery of small interfering RNA (siRNA). Anti-luciferase siRNA was used as a model of nucleic acid medicine. The binary complexes of siRNA were prepared with cationic polymers and cationic liposomes such as polyethylenimine (PEI), polyamidoamine (PAMAM) dendrimer, poly-L-arginine (PLA), trimethyl[2,3-(dioleoxy)-propyl]ammonium chloride (DOTMA), and cholesteryl 3β-N-(dimetylaminnoethyl)carbamate hydrochloride (DC-Chol). The ternary complexes were constructed by the addition of γ-polyglutamic acid (γ-PGA) to the binary complexes. The complexes were approximately 54-153 nm in particle size. The binary complexes showed a cationic surface charge although an anionic surface charge was observed in the ternary complexes. The polymer-based complexes did not show a silencing effect in the mouse colon carcinoma cell line expressing luciferase regularly (Colon26/Luc cells). The binary complexes based on liposomes and their ternary complexes coated by γ-PGA showed a significant silencing effect. The binary complexes showed significant cytotoxicity although the ternary complexes coated by γ-PGA did not show significant cytotoxicity. The ternary complexes coated by γ-PGA suppressed luciferase activity in the tumor after their direct injection into the tumors of mice bearing Colon26/Luc cells. Thus, we have newly identified safe and efficient ternary complexes of siRNA for clinical use.
journal_name
Biol Pharm Bulljournal_title
Biological & pharmaceutical bulletinauthors
Kodama Y,Harauchi S,Kawanabe S,Ichikawa N,Nakagawa H,Muro T,Higuchi N,Nakamura T,Kitahara T,Sasaki Hdoi
10.1248/bpb.b13-00054subject
Has Abstractpub_date
2013-01-01 00:00:00pages
995-1001issue
6eissn
0918-6158issn
1347-5215pii
DN/JST.JSTAGE/bpb/b13-00054journal_volume
36pub_type
杂志文章abstract::Apoptotic cells must be recognized early for phagocytosis to ensure that their toxic contents do not damage neighboring cells. In some cases this is achieved via CD43-capped membrane glycoproteins, the sialylpolylactosaminyl chains of which serve as ligands for phagocytosis by macrophages. However, because many additi...
journal_title:Biological & pharmaceutical bulletin
pub_type: 杂志文章
doi:10.1248/bpb.35.551
更新日期:2012-01-01 00:00:00
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journal_title:Biological & pharmaceutical bulletin
pub_type: 杂志文章
doi:10.1248/bpb.b15-00997
更新日期:2016-01-01 00:00:00
abstract::Since grape extract (GE) contains oligomeric proanthocyanidins and numerous polyphenols, dietary GE supplements may exert protective effects against various diseases. The present study investigated the pharmacological effects of GE derived from Chardonnay in vitro and in vivo. GE (100 µg/mL) completely inhibited tumor...
journal_title:Biological & pharmaceutical bulletin
pub_type: 杂志文章
doi:10.1248/bpb.b19-00462
更新日期:2019-01-01 00:00:00
abstract::A DNA fragment responsible for resistance to antimicrobial agents was cloned from chromosomal DNA of Enterococcus faecium FN-1, a clinically isolated strain. Escherichia coli KAM32, a drug-hypersusceptible mutant, was used as a host for gene cloning. Cells of E. coli KAM32 harboring a recombinant plasmid (pTFM8) carry...
journal_title:Biological & pharmaceutical bulletin
pub_type: 杂志文章
doi:10.1248/bpb.32.483
更新日期:2009-03-01 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::We showed previously that transdifferentiation of skin epidermis to mucous epithelium can be induced by treatment with 20 µM retinol for 1 d followed by culture for 4 d without retinol in chick embryonic tarsometatarsal skin. In mouse epidermal cells, 3 µM retinoic acid (an active metabolite of retinol) inhibits epide...
journal_title:Biological & pharmaceutical bulletin
pub_type: 杂志文章
doi:10.1248/bpb.34.1227
更新日期:2011-01-01 00:00:00
abstract::The performance of milk fat-globule membrane (MFGM) emulsion as an oral dosage form was evaluated in rats using [14C]alpha-linolenic acid as a lipophilic model solute. For emulsions prepared by homogenization alone, the area under the plasma concentration versus time curve (AUC) after oral administration tended to be ...
journal_title:Biological & pharmaceutical bulletin
pub_type: 杂志文章
doi:10.1248/bpb.17.756
更新日期:1994-05-01 00:00:00
abstract::The fat-specific protein 27 (Fsp27) gene belongs to the cell death-inducing DNA fragmentation factor 45-like effector family. Fsp27 is highly expressed in adipose tissue as well as the fatty liver of ob/ob mice. Fsp27 is directly regulated by the peroxisome proliferator-activated receptor γ (PPARγ) in livers of geneti...
journal_title:Biological & pharmaceutical bulletin
pub_type: 杂志文章
doi:10.1248/bpb.b17-00105
更新日期:2017-01-01 00:00:00
abstract::A rapid and highly sensitive LC-MS-MS method for simultaneous determination of 25-hydroxyvitamin D2 125(OH)D21 and 25-hydroxyvitamin D3 125(OH)D3] in human plasma has been developed using derivatization with a Cookson-type reagent, 4-12-(6,7-dimethoxy-4-methyl-3-oxo-3,4-dihydroquinoxalyl)ethyll-1,2,4-triazoline-3,5-di...
journal_title:Biological & pharmaceutical bulletin
pub_type: 临床试验,杂志文章
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更新日期:2001-07-01 00:00:00
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journal_title:Biological & pharmaceutical bulletin
pub_type: 杂志文章
doi:10.1248/bpb.33.404
更新日期:2010-01-01 00:00:00
abstract::Microanalytical methods were developed for measuring galactosyl-beta-cyclodextrin (Gal-betaCD) and mannosyl (Man)-betaCD in biological matrices of the rat by HPLC with pulsed amperometric detection. Then, using these methods, the absorption, distribution and excretion of intravenously and orally administered Gal-betaC...
journal_title:Biological & pharmaceutical bulletin
pub_type: 杂志文章
doi:10.1248/bpb.23.472
更新日期:2000-04-01 00:00:00
abstract::The N-methyl-D-aspartate (NMDA) receptor plays a key role in learning and memory. Our recent studies have shown that nobiletin from citrus peels activates the cAMP response element-binding protein (CREB) signaling pathway and ameliorates NMDA receptor antagonist-induced learning impairment by activating extracellular ...
journal_title:Biological & pharmaceutical bulletin
pub_type: 杂志文章
doi:10.1248/bpb.b14-00177
更新日期:2014-01-01 00:00:00
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journal_title:Biological & pharmaceutical bulletin
pub_type: 杂志文章
doi:10.1248/bpb.b18-00029
更新日期:2018-01-01 00:00:00
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journal_title:Biological & pharmaceutical bulletin
pub_type: 杂志文章
doi:10.1248/bpb.20.118
更新日期:1997-02-01 00:00:00
abstract::Aromatase is a cytochrome P-450 enzyme complex that catalyzes the conversion of androst-4-ene-3,17-dione (AD) to estrone through three sequential oxygenations of the 19-methyl group. To gain insight into the ability of AD isomers, 4-en-6-one 1a, 5-en-4-one 2a, and 5-en-7-one 3a, competitive inhibitors of aromatase wit...
journal_title:Biological & pharmaceutical bulletin
pub_type: 杂志文章
doi:10.1248/bpb.24.332
更新日期:2001-04-01 00:00:00
abstract::Nine compounds, including six phenylethanoid glycosides: acteoside (1); bioside (2); echinacoside (3); poliumoside (4); phenylethyl glycoside (5); salidroside (6) and three flavonoids; linarin (7); apigenin (8); isorhoifolin (9), were isolated from the flowers of Buddleja officinalis MAXIM. (Buddlejaceae). Chemical st...
journal_title:Biological & pharmaceutical bulletin
pub_type: 杂志文章
doi:10.1248/bpb.32.1952
更新日期:2009-12-01 00:00:00
abstract::Mouth washing after inhalation of corticosteroids is effective for prevention of local adverse effects such as hoarseness and oropharyngeal candidiasis. To establish an optimal procedure for such mouth washing, we investigated the removal rates of drug residues remaining on the oropharyngeal mucosa using various mouth...
journal_title:Biological & pharmaceutical bulletin
pub_type: 杂志文章
doi:10.1248/bpb.29.1923
更新日期:2006-09-01 00:00:00
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journal_title:Biological & pharmaceutical bulletin
pub_type: 杂志文章
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journal_title:Biological & pharmaceutical bulletin
pub_type: 杂志文章
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更新日期:2014-01-01 00:00:00
abstract::We investigated the genotypic status of thiopurine methyltransferase (TPMT) polymorphism to evaluate the possible risk of the toxicity of azathioprine (AZA) in 68 patients with systemic lupus erythematosus (SLE). The allele frequency of TPMT mutation in the SLE group (2.9%) was higher than that in 174 Japanese healthy...
journal_title:Biological & pharmaceutical bulletin
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journal_title:Biological & pharmaceutical bulletin
pub_type: 杂志文章
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更新日期:2005-11-01 00:00:00
abstract::Lutein is a carotenoid and it has antioxidant effects. Lutein may have a protective effect on ischemia reperfusion (I/R) injury induced by free radical species. However, little is known about the protective effect of lutein on I/R injury in vivo. The present study was undertaken to clarify the protective effects of lu...
journal_title:Biological & pharmaceutical bulletin
pub_type: 杂志文章
doi:10.1248/bpb.29.1764
更新日期:2006-08-01 00:00:00
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journal_title:Biological & pharmaceutical bulletin
pub_type: 杂志文章
doi:10.1248/bpb.17.1364
更新日期:1994-10-01 00:00:00
abstract::Previous reports have indicated that isosteviol sodium (STVNa) has neuroprotective effects against acute focal cerebral ischemia in rats; however, the exact underlying mechanisms and ideal treatment paradigm are not known. To find a reasonable method for STVNa administration and to determine its possible therapeutic m...
journal_title:Biological & pharmaceutical bulletin
pub_type: 杂志文章
doi:10.1248/bpb.b17-00921
更新日期:2018-01-01 00:00:00
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journal_title:Biological & pharmaceutical bulletin
pub_type: 杂志文章
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更新日期:2006-10-01 00:00:00
abstract::Lithium is commonly used in treating mental disorders and bipolar diseases. As physicians frequently keep the patients on long-term lithium therapy, awareness of the numerous side effects and pathogenesis of this lightest alkali metal is needed for such treatments. The present study was designed to evaluate the toxic ...
journal_title:Biological & pharmaceutical bulletin
pub_type: 杂志文章
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更新日期:2011-01-01 00:00:00
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journal_title:Biological & pharmaceutical bulletin
pub_type: 杂志文章
doi:10.1248/bpb.26.1487
更新日期:2003-10-01 00:00:00
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journal_title:Biological & pharmaceutical bulletin
pub_type: 杂志文章
doi:10.1248/bpb.b18-00974
更新日期:2019-01-01 00:00:00
abstract::A convenient and sensitive high performance liquid chromatographic method with post-column platinum catalyst reduction and electrochemical detection was applied to the simultaneous determination of oxidized and reduced coenzyme Q (CoQ and CoQH2) and alpha-tocopherol (alpha-TP) in human and rat samples. After the separ...
journal_title:Biological & pharmaceutical bulletin
pub_type: 杂志文章
doi:10.1248/bpb.17.997
更新日期:1994-08-01 00:00:00
abstract::A conditioned medium (CM) was prepared by culturing human sperm at 3.0 x 10(6) sperm/ml for 12 h. The fusion index increased significantly when the sperm penetration assay (SPA) was performed with CM (0.6 without CM to 2.0 with CM). The conditioned medium was also effective on the sperm from 11 patients who showed a l...
journal_title:Biological & pharmaceutical bulletin
pub_type: 杂志文章
doi:10.1248/bpb.18.5
更新日期:1995-01-01 00:00:00