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Marcatori immuno-epidemiologici della trasmissione della malaria in Kenya

Marcatori immuno-epidemiologici della trasmissione della malaria in Kenya

Guiyun Yan / Guofa Zhou / Kingsley Badu

107,93 €
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Editorial:
KS OmniScriptum Publishing
Año de edición:
2025
Materia
Biologia, ciencias de la vida
ISBN:
9786209259807
107,93 €
IVA incluido
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Gli strumenti attualmente disponibili per misurare l’intensità della trasmissione della malaria hanno una sensibilità limitata quando la trasmissione è bassa. Sono necessari sistemi di sorveglianza robusti per monitorare la riduzione della trasmissione e prevenire la rapida reintroduzione nelle aree in fase di eliminazione. Gli strumenti sierologici basati sulla risposta anticorpale agli antigeni del parassita e del vettore sono potenziali strumenti per la misurazione della trasmissione. Questo studio ha esaminato le prove sierologiche dell’esposizione al vettore e dell’endemicità della malaria negli altopiani occidentali del Kenya lungo un gradiente di intensità di trasmissione. I livelli totali di IgG contro P. falciparum MSP-119 e il peptide della ghiandola salivare dell’Anopheles gSG6-P1 sono stati misurati in una coorte stratificata per età durante le stagioni di bassa e alta trasmissione della malaria. È stata eseguita un’analisi di regressione per esaminare l’associazione tra la prevalenza degli anticorpi e la prevalenza del parassita. I dati di sieroprevalenza dell’MSP-119 specifici per età sono stati adattati a un semplice modello catalitico reversibile per studiare la relazione tra esposizione al parassita ed età. Lo studio rivela la variazione microgeografica nella trasmissione della malaria nell’ecosistema degli altipiani, convalidando così l’utilità degli strumenti immunoepidemiologici nella stima dell’intensità della trasmissione della malaria.

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