ChloroquineV1, Main, Exploration, bibRecord, 002B79

Biochemical and Functional Analysis of Rat Bronchoalveolar Macrophages Containing Chemically Induced Phospholipid Inclusions

Identifieur interne : 002B79 ( Main/Exploration ); précédent : 002B78; suivant : 002B80

Biochemical and Functional Analysis of Rat Bronchoalveolar Macrophages Containing Chemically Induced Phospholipid Inclusions

Auteurs : C. R. Waites [États-Unis] ; P. J. Bugelski [États-Unis] ; A. M. Badger [États-Unis]

Source :

Toxicology and Applied Pharmacology [ 0041-008X ] ; 1995.

RBID : ISTEX:72CBCF522EC0BB34AF318EE471D19784C9F340DB

Descripteurs français

Pascal (Inist)
- Accumulation, Alvéole pulmonaire, Animal, Cation, Cellule suppressive, Composé amphiphile, Lymphocyte T, Macrophage, Médicament, Phospholipide, Rat, SKF 105865, Toxicité.
Wicri :
- topic : Médicament.

English descriptors

KwdEn :
- Accumulation, Amphiphilic compound, Animal, Cations, Drug, Macrophage, Phospholipid, Pulmonary alveolus, Rat, Suppressive cell, T-Lymphocyte, Toxicity.

Abstract

Abstract: Cationic amphiphilic drugs (CADs) are structurally characterized by hydrophobic ring structures and hydrophilic side chains. Studies have demonstrated that repeated administration of CADs to experimental animals and humans may induce phospholipid (PL) accumulation within the cells of various tissues. The immunomodulatory azaspiranes are novel CADs with beneficial effects in a number of animal models of autoimmune disease and transplantation. Although the mechanism of action of these compounds is unclear, efficacy in all of the disease models is accompanied by the generation of suppressor cell (SC) activity in various lymphoid organs. SK&F 105685 (N,N-dimethyl-8,8-dipropyl-2-azaspiro[4, 5]decane-2-propanamine hydrochloride) and two analogs, SK&F 106615 and SK&F 103811, were compared with chlorphentermine and chloroquine for their ability to induce PL accumulation and SC activity. Oral administration of SK&F 105685 and SK&F 106615 caused PL accumulation in bronchoalveolar lavage macrophages (AM) but to a far lesser extent (three- to fivefold) than chlorphentermine. Neither the immunologically unreactive azaspirane SK&F 103811 nor chloroquine affected PL levels. AM from rats treated with SK&F 105685 or SK&F 106615 expressed more potent SC activity than chlorphentermine. Thus, SC activity did not correlate with the extent of PL accumulation. Neither SK&F 103811 nor chloroquine induced SC activity, AM from SK&F 105685-treated rats had an enhanced ability to kill the opportunistic pathogen Candida albicans in vitro indicating that there was no impairment of macrophage-dependent host defense mechanisms.

Url:

https://api.istex.fr/ark:/67375/6H6-B0KKM0XJ-T/fulltext.pdf

DOI: 10.1006/taap.1995.1036

Affiliations:

Le document en format XML

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Biochemical and Functional Analysis of Rat Bronchoalveolar Macrophages Containing Chemically Induced Phospholipid Inclusions

Biochemical and Functional Analysis of Rat Bronchoalveolar Macrophages Containing Chemically Induced Phospholipid Inclusions

Source :

Descripteurs français

English descriptors

Abstract

Links toward previous steps (curation, corpus...)

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