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Stem loop-mediated isothermal amplification test: comparative analysis with classical LAMP and PCR in detection of Entamoeba histolytica in Kenya

Overview of attention for article published in BMC Research Notes, March 2017
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  • Above-average Attention Score compared to outputs of the same age and source (58th percentile)

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Title
Stem loop-mediated isothermal amplification test: comparative analysis with classical LAMP and PCR in detection of Entamoeba histolytica in Kenya
Published in
BMC Research Notes, March 2017
DOI 10.1186/s13104-017-2466-3
Pubmed ID
Authors

Fridah Mwendwa, Cecilia K. Mbae, Johnson Kinyua, Erastus Mulinge, Gitonga Nkanata Mburugu, Zablon K. Njiru

Abstract

Entamoeba histolytica, the causative agent for amoebiasis is a considerable burden to population in the developing countries where it accounts for over 50 million infections. The tools for detection of amoebiasis are inadequate and diagnosis relies on microscopy which means a significant percent of cases remain undiagnosed. Moreover, tests formats that can be rapidly applied in rural endemic areas are not available. In this study, a loop-mediated isothermal test (LAMP) based on 18S small subunit ribosomal RNA gene was designed with extra reaction accelerating primers (stem primers) and compared with the published LAMP and PCR tests in detection of E. histolytica DNA in clinical samples. The stem LAMP test indicated shorter time to results by an average 11 min and analytical sensitivity of 10(-7) (~30 pg/ml) compared to the standard LAMP and PCR which showed sensitivities levels of 10(-5) (~3 ng/ml) and 10(-4) (~30 ng/ml) respectively using tenfold serial dilution of DNA. In the analysis of clinical specimens positive for Entamoeba spp. trophozoites and cysts using microscopy, the stem LAMP test detected E. histolytica DNA in 36/126, standard LAMP test 20/126 and PCR 17/126 cases respectively. There was 100% agreement in detection of the stem LAMP test product using fluorescence of SYTO-9 dye in real time machine, through addition of 1/10 dilution of SYBR(®) Green I and electrophoresis in 2% agarose gel stained with ethidium bromide. The stem LAMP test developed in this study indicates potential towards detection of E. histolytica.

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The data shown below were collected from the profiles of 3 X users who shared this research output. Click here to find out more about how the information was compiled.
Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 43 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 43 100%

Demographic breakdown

Readers by professional status Count As %
Researcher 8 19%
Student > Master 6 14%
Lecturer 3 7%
Other 3 7%
Student > Ph. D. Student 3 7%
Other 6 14%
Unknown 14 33%
Readers by discipline Count As %
Biochemistry, Genetics and Molecular Biology 10 23%
Immunology and Microbiology 4 9%
Medicine and Dentistry 4 9%
Social Sciences 3 7%
Agricultural and Biological Sciences 2 5%
Other 5 12%
Unknown 15 35%
Attention Score in Context

Attention Score in Context

This research output has an Altmetric Attention Score of 2. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 28 October 2017.
All research outputs
#14,056,410
of 22,962,258 outputs
Outputs from BMC Research Notes
#1,872
of 4,282 outputs
Outputs of similar age
#167,803
of 309,402 outputs
Outputs of similar age from BMC Research Notes
#20
of 48 outputs
Altmetric has tracked 22,962,258 research outputs across all sources so far. This one is in the 37th percentile – i.e., 37% of other outputs scored the same or lower than it.
So far Altmetric has tracked 4,282 research outputs from this source. They typically receive a little more attention than average, with a mean Attention Score of 5.5. This one has gotten more attention than average, scoring higher than 54% of its peers.
Older research outputs will score higher simply because they've had more time to accumulate mentions. To account for age we can compare this Altmetric Attention Score to the 309,402 tracked outputs that were published within six weeks on either side of this one in any source. This one is in the 44th percentile – i.e., 44% of its contemporaries scored the same or lower than it.
We're also able to compare this research output to 48 others from the same source and published within six weeks on either side of this one. This one has gotten more attention than average, scoring higher than 58% of its contemporaries.