Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
22
pubmed:dateCreated
2009-11-2
pubmed:abstractText
Twenty manzamine amides were synthesized and evaluated for in vitro antimalarial and antimicrobial activities. The amides of manzamine A (1) showed significantly reduced cytotoxicity against Vero cells, although were less active than 1. The structure-activity analysis showed that linear, short alkyl groups adjacent to the amide carbonyl at position 8 are favored for antimalarial activity, while bulky and cyclic groups at position 6 provided the most active amides. Most of the amides showed potent activity against Mycobacterium intracellulare. The antimicrobial activity profile for position 8 series was similar to that for antimalarial activity profile, in which linear, slightly short alkyl groups adjacent to the amide carbonyl showed improved activity. Two amides 14 and 21, which showed potent antimalarial activity in vitro against Plasmodium falciparum were further evaluated in vivo in Plasmodium berghei infected mice. Oral administration of 14 and 21 at the dose of 30mg/kg (once daily for three days) caused parasitemia suppression of 24% and 62%, respectively, with no apparent toxicity.
pubmed:grant
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Nov
pubmed:issn
1464-3391
pubmed:author
pubmed:issnType
Electronic
pubmed:day
15
pubmed:volume
17
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
7775-82
pubmed:meshHeading
pubmed:year
2009
pubmed:articleTitle
Structure-activity relationship studies of manzamine A: amidation of positions 6 and 8 of the beta-carboline moiety.
pubmed:affiliation
Department of Pharmacognosy, The School of Pharmacy, The University of Mississippi, Oxford, MS 38677, USA.
pubmed:publicationType
Journal Article, Research Support, U.S. Gov't, Non-P.H.S., Research Support, N.I.H., Extramural