Evidence map›Paper›PMID 15793125›Full record

ArticleAntimicrobial agents and chemotherapy2005

In vitro and in vivo activities of macrolide derivatives against Mycobacterium tuberculosis.

Kanakeshwari Falzari, Zhaohai Zhu, Dahua Pan, Huiwen Liu, Poonpilas Hongmanee, Scott G Franzblau

Open access · greenAbstract read
In one paragraph

Article in Antimicrobial agents and chemotherapy, 2005. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 65 papers.

0numbers the graph read from it
0cells of the map it votes in
65citing papers in PubMed
4.5field-weighted citation impact, top 5% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

65 citing papers in PubMed, 208 citations in OpenAlex.

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  11. "Upcycling" known molecules and targets for drug-resistant TB.Frontiers in cellular and infection microbiology · 2022
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  20. Synthesis and Activity againstMolecules (Basel, Switzerland) · 2018
    Article

5 more citing papers are in PubMed but not listed here.

4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

6 authors at 2 institutions in 2 countries.

Kanakeshwari FalzariInstitute for Tuberculosis Research, College of Pharmacy, University of Illinois at Chicago, 833 S. Wood St., MC 964, Rm. 412, Chicago, Illinois 60612-7231, USA.
Zhaohai Zhu
Dahua Pan
Huiwen Liu
Poonpilas Hongmanee
Scott G Franzblau
University of Illinois Chicago · USRamathibodi Hospital · TH

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Existing macrolides have never shown definitive clinical efficacy in tuberculosis. Recent reports suggest that ribosome methylation is involved in macrolide resistance in Mycobacterium tuberculosis, a mechanism that newer macrolides have been designed to overcome in gram-positive bacteria. Therefore, selected macrolides and ketolides (descladinose) with substitutions at positions 9, 11,12, and 6 were assessed for activity against M. tuberculosis, and those with MICs of < or = 4 microM were evaluated for cytotoxicity to Vero cells and J774A.1 macrophages. Several compounds with 9-oxime substitutions or aryl substitutions at position 6 or on 11,12 carbamates or carbazates demonstrated submicromolar MICs. For the three macrolide-ketolide pairs, macrolides demonstrated superior activity. Four compounds with low MICs and low cytotoxicity also effected significant reductions in CFU in infected macrophages. Active compounds were assessed for tolerance and the ability to reduce CFU in the lungs of BALB/c mice in an aerosol infection model. A substituted 11,12 carbazate macrolide demonstrated significant dose-dependent inhibition of M. tuberculosis growth in mice, with a 10- to 20-fold reduction of CFU in lung tissue. Structure-activity relationships, some of which are unique to M. tuberculosis, suggest several synthetic directions for further improvement of antituberculosis activity. This class appears promising for yielding a clinically useful agent for tuberculosis.

Indexed as

Anti-Bacterial AgentsMacrolidesAmino Acid SubstitutionAnimalsCell LineChlorocebus aethiopsFemaleHumansKetolidesMacrophagesMiceMice, Inbred BALB CMicrobial Sensitivity TestsMycobacterium tuberculosisStructure-Activity RelationshipTuberculosis, PulmonaryAnti-Bacterial AgentsKetolidesMacrolides

Identifiers

PMID15793125
PMCPMC1068601
OpenAlexW2122171231

What OpenQuestion holds

Textmetadata
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.