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Ghana

NOT Open Access | Feeding frequency and survival of Anopheles gambiae in a rice-growing area in Ghana

August 15, 2012 - 07:53 -- Kabogo Ndegwa
Author(s): 
J. D. Charlwood, E. V. Tomás, A. Egyir-Yawson, A. A. Kampango, R. J. Pitts
Reference: 
Medical and Veterinary Entomology, Volume 26, Issue 3, pages 263–270, September 2012

MalariaWorldMortality rates, determined by dissection, of predominantly M form female Anopheles gambiae (Diptera: Culicidae) were estimated.

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Estimating malaria parasite density: assumed white blood cell count of 10,000/mul of blood is appropriate measure in Central Ghana

July 25, 2012 - 13:56 -- Kabogo Ndegwa
Author(s): 
Adu-Gyasi D, Adams M, Amoako S, Mahama E, Nsoh M, Amenga-Etego S, Baiden F, Asante K, Newton S, Owusu-Agyei S
Reference: 
Malaria Journal 2012, 11:238 (23 July 2012)

MalariaWorldUsing the assumed WBCc of 8.0 X 10(9)/L or lower to estimate malaria parasite densities in Pf infected children less than five years old could result in significant underestimation of parasite burden.

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Seeking consent to genetic and genomic research in a rural Ghanaian setting: A qualitative study of the MalariaGEN experience

July 12, 2012 - 08:58 -- Patrick Sampao
Author(s): 
Paulina Tindana, Susan Bull, Lucas Amenga-Etego, Jantina de Vries, Raymond Aborigo, Kwadwo Koram, Dominic Kwiatkowski and Michael Parker
Reference: 
BMC Medical Ethics 2012, 13:15

MalariaWorldThis study sought to identify issues arising in practice during the enrolment of paediatric cases with severe malaria and matched healthy controls into the MalariaGEN study.

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Toll-like receptor 9 (TLR9) polymorphism associated with symptomatic malaria: a cohort study

May 23, 2012 - 10:14 -- Kabogo Ndegwa
Author(s): 
Omar AH, Yasunami M, Yamazaki A, Shibata H, Ofori MF, Akanmori BD, Shuaibu M, Kikuchi M, Hirayama K
Reference: 
Malaria Journal 2012, 11:168 (17 May 2012)

MalariaWorldTaken together, these findings indicate a significant association of TLR9 gene polymorphisms with symptomatic malaria among Ghanaian children in Dangme-West district.

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Open Access | Identification and validation of a gene causing cross-resistance between insecticide classes in Anopheles gambiae from Ghana

April 19, 2012 - 07:28 -- Kabogo Ndegwa
Author(s): 
Sara N. Mitchell, Bradley J. Stevenson, Pie Müller, Craig S. Wilding, Alexander Egyir-Yawson, Stuart G. Field, Janet Hemingway, Mark J. I. Paine, Hilary Ranson, and Martin James Donnelly
Reference: 
PNAS April 17, 2012 vol. 109 no. 16 6147-6152

MalariaWorldIn the last decade there have been marked reductions in malaria incidence in sub-Saharan Africa.

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Open Access | Haplotype Analyses of Haemoglobin C and Haemoglobin S and the Dynamics of the Evolutionary Response to Malaria in Kassena-Nankana District of Ghana

April 17, 2012 - 07:50 -- Kabogo Ndegwa
Author(s): 
Anita Ghansah, Kirk A. Rockett, Taane G. Clark, Michael D. Wilson, Kwadwo A. Koram, Abraham R. Oduro, Lucas Amenga-Etego, Thomas Anyorigiya, Abraham Hodgson, Paul Milligan, William O. Rogers, Dominic P. Kwiatkowski
Reference: 
PLoS ONE 7(4): e34565

MalariaWorldOur findings show strong support for recent positive selection of both the HbS and HbC alleles and provide insights into how these two alleles have both evolved in the population of northern Ghana.

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Open Access | Relationship between treatment-seeking behaviour and artemisinin drug quality in Ghana

April 11, 2012 - 06:52 -- Kabogo Ndegwa
Author(s): 
Klein EY, Lewis IA, Jung C, Llinas M, Levin SA
Reference: 
Malaria Journal 2012, 11:110 (6 April 2012)

MalariaWorldSurprisingly, drug quality was found to be uniformly high and thus no significant relationship between price, treatment-seeking behaviour and the content of the active ingredients was observed.

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Placental malaria and the relationship to pregnancy outcome at Gushegu District Hospital, Northern Ghana

March 22, 2012 - 12:19 -- Patrick Sampao
Author(s): 
Joanne H M van Spronsen, Tom A J Schneider, and Stephen Atasige
Reference: 
Trop Doct April 2012 vol. 42 no. 2 80-84

MalariaWorldThis study was conducted at the Gushegu District Hospital in Ghana from June to August 2010. Sulfadoxine-pyrimethamine (SP) was used as intermittent preventative treatment (IPT) during pregnancy.

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Open Access | Mutations of complement lectin pathway genes MBL2 and MASP2 associated with placental malaria

March 6, 2012 - 08:10 -- Kabogo Ndegwa
Author(s): 
Holmberg V, Onkamo P, Lahtela E, Lahermo P, Bedu-Addo G, Mockenhaupt FP, Meri S
Reference: 
Malaria Journal 2012, 11:61 (2 March 2012)

MalariaWorldExcessive complement activation is of importance in the pathogenesis of placental malaria by mediating inflammation, coagulation, and endothelial dysfunction.

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Open Access | The effectiveness and perception of the use of sulphadoxine-pyrimethamine in intermittent preventive treatment of malaria in pregnancy programme in Offinso District of Ashanti Region, Ghana

January 4, 2012 - 06:56 -- Kabogo Ndegwa
Author(s): 
Osei Tutu E, Lawson B, Browne E
Reference: 
Malaria Journal 2011, 10:385 (29 December 2011)

MalariaWorldThis study points to the effectiveness of IPTp using SP as an evidence-based measure for control of malaria and malaria-related anaemia in pregnancy.

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