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Items: 1 to 50 of 54

1.

Burden and risk factors of cutaneous leishmaniasis in a peri-urban settlement in Kenya, 2016.

Ngere I, Gufu Boru W, Isack A, Muiruri J, Obonyo M, Matendechero S, Gura Z.

PLoS One. 2020 Jan 23;15(1):e0227697. doi: 10.1371/journal.pone.0227697. eCollection 2020.

2.

Corrigendum to: Cholera outbreak during a scientific conference at a Nairobi hotel, Kenya 2017.

Mwenda V, Niyomwungere A, Oyugi E, Githuku J, Obonyo M, Gura Z.

J Public Health (Oxf). 2019 Nov 15. pii: fdz112. doi: 10.1093/pubmed/fdz112. [Epub ahead of print] No abstract available.

PMID:
31728506
3.

Seroprevalence and associated risk factors of leptospirosis in slaughter pigs; a neglected public health risk, western Kenya.

Ngugi JN, Fèvre EM, Mgode GF, Obonyo M, Mhamphi GG, Otieno CA, Cook EAJ.

BMC Vet Res. 2019 Nov 8;15(1):403. doi: 10.1186/s12917-019-2159-3.

4.

Influence of task-based airborne lead exposures on blood lead levels: a case study of informal automobile repair artisans in Nakuru town, Kenya.

Odongo OA, Moturi WN, Obonyo MA.

Environ Geochem Health. 2019 Nov 6. doi: 10.1007/s10653-019-00464-7. [Epub ahead of print]

PMID:
31696399
5.

Cholera outbreak during a scientific conference at a Nairobi hotel, Kenya 2017.

Mwenda V, Niyomwungere A, Oyugi E, Githuku J, Obonyo M, Gura Z.

J Public Health (Oxf). 2019 Jul 19. pii: fdz078. doi: 10.1093/pubmed/fdz078. [Epub ahead of print]

PMID:
31322662
6.

Prevalence and spatial distribution of Trematode cercariae in Vector Snails within different Agro-Ecological Zones in Western Kenya, 2016.

Owiny MO, Obonyo MO, Gatongi PM, Fèvre EM.

Pan Afr Med J. 2019 Mar 26;32:142. doi: 10.11604/pamj.2019.32.142.14418. eCollection 2019.

7.

Inhibition of Pathogen Adhesion by Bacterial Outer Membrane-Coated Nanoparticles.

Zhang Y, Chen Y, Lo C, Zhuang J, Angsantikul P, Zhang Q, Wei X, Zhou Z, Obonyo M, Fang RH, Gao W, Zhang L.

Angew Chem Int Ed Engl. 2019 Aug 12;58(33):11404-11408. doi: 10.1002/anie.201906280. Epub 2019 Jul 4.

PMID:
31206942
8.

Increased LIGHT expression and activation of non-canonical NF-κB are observed in gastric lesions of MyD88-deficient mice upon Helicobacter felis infection.

Mejías-Luque R, Lozano-Pope I, Wanisch A, Heikenwälder M, Gerhard M, Obonyo M.

Sci Rep. 2019 May 7;9(1):7030. doi: 10.1038/s41598-019-43417-x.

9.

Factors Affecting Uptake of PMTCT Services, Lodwar County Referral Hospital, Turkana County, Kenya, 2015 to 2016.

Ongaki D, Obonyo M, Nyanga N, Ransom J.

J Int Assoc Provid AIDS Care. 2019 Jan-Dec;18:2325958219838830. doi: 10.1177/2325958219838830.

10.

Investigation of anthrax in an endemic region in Kenya: a mixed methods approach.

Obonyo MO, Farr M, Hikufe EH, Rubanzana W, Omondi Owiny M, Roka ZG.

Pan Afr Med J. 2018 May 18;30(Suppl 1):12. doi: 10.11604/pamj.supp.2018.30.1.15279. eCollection 2018.

11.

Coating nanoparticles with gastric epithelial cell membrane for targeted antibiotic delivery against Helicobacter pylori infection.

Angsantikul P, Thamphiwatana S, Zhang Q, Spiekermann K, Zhuang J, Fang RH, Gao W, Obonyo M, Zhang L.

Adv Ther (Weinh). 2018 Jun;1(2). pii: 1800016. doi: 10.1002/adtp.201800016. Epub 2018 May 8.

12.

Antimicrobial residues and compositional quality of informally marketed raw cow milk, Lamu West Sub-County, Kenya, 2015.

Ondieki GK, Ombui JN, Obonyo M, Gura Z, Githuku J, Orinde AB, Gikunju JK.

Pan Afr Med J. 2017 Nov 3;28(Suppl 1):5. doi: 10.11604/pamj.supp.2017.28.1.9279. eCollection 2017.

13.

An outbreak of cholera in western Kenya, 2015: a case control study.

Oyugi EO, Boru W, Obonyo M, Githuku J, Onyango D, Wandeba A, Omesa E, Mwangi T, Kigen H, Muiruri J, Gura Z.

Pan Afr Med J. 2017 Nov 6;28(Suppl 1):12. doi: 10.11604/pamj.supp.2017.28.1.9477. eCollection 2017.

14.

Cryptosporidium infection in calves and the environment in Asembo, Western Kenya: 2015.

Ogendo A, Obonyo M, Wasswa P, Bitek A, Mbugua A, Thumbi SM.

Pan Afr Med J. 2017 Nov 4;28(Suppl 1):9. doi: 10.11604/pamj.supp.2017.28.1.9313. eCollection 2017.

15.

Catalysts for implementation of One Health in Kenya.

Mwatondo A, Munyua P, Gura Z, Muturi M, Osoro E, Obonyo M, Bitek A, Oyas H, Mbabu M, Kioko J, Njenga K, Lowther S, Thumbi SM.

Pan Afr Med J. 2017 Nov 2;28(Suppl 1):1. doi: 10.11604/pamj.supp.2017.28.1.13275. eCollection 2017.

16.

Cholera Outbreak in Dadaab Refugee Camp, Kenya - November 2015-June 2016.

Golicha Q, Shetty S, Nasiblov O, Hussein A, Wainaina E, Obonyo M, Macharia D, Musyoka RN, Abdille H, Ope M, Joseph R, Kabugi W, Kiogora J, Said M, Boru W, Galgalo T, Lowther SA, Juma B, Mugoh R, Wamola N, Onyango C, Gura Z, Widdowson MA, DeCock KM, Burton JW.

MMWR Morb Mortal Wkly Rep. 2018 Aug 31;67(34):958-961. doi: 10.15585/mmwr.mm6734a4.

17.

Epidemiology and surveillance of human animal-bite injuries and rabies post-exposure prophylaxis, in selected counties in Kenya, 2011-2016.

Ngugi JN, Maza AK, Omolo OJ, Obonyo M.

BMC Public Health. 2018 Aug 9;18(1):996. doi: 10.1186/s12889-018-5888-5.

18.

Systems, supplies, and staff: a mixed-methods study of health care workers' experiences and health facility preparedness during a large national cholera outbreak, Kenya 2015.

Curran KG, Wells E, Crowe SJ, Narra R, Oremo J, Boru W, Githuku J, Obonyo M, De Cock KM, Montgomery JM, Makayotto L, Langat D, Lowther SA, O'Reilly C, Gura Z, Kioko J.

BMC Public Health. 2018 Jun 11;18(1):723. doi: 10.1186/s12889-018-5584-5.

19.

Investigation of laboratory confirmed Dengue outbreak in North-eastern Kenya, 2011.

Obonyo M, Fidhow A, Ofula V.

PLoS One. 2018 Jun 7;13(6):e0198556. doi: 10.1371/journal.pone.0198556. eCollection 2018.

20.

Prevalence and factors associated with metabolic syndrome in an urban population of adults living with HIV in Nairobi, Kenya.

Kiama CN, Wamicwe JN, Oyugi EO, Obonyo MO, Mungai JG, Roka ZG, Mwangi A.

Pan Afr Med J. 2018 Jan 30;29:90. doi: 10.11604/pamj.2018.29.90.13328. eCollection 2018.

21.

Maize Chlorotic Mottle Virus Induces Changes in Host Plant Volatiles that Attract Vector Thrips Species.

Mwando NL, Tamiru A, Nyasani JO, Obonyo MAO, Caulfield JC, Bruce TJA, Subramanian S.

J Chem Ecol. 2018 Aug;44(7-8):681-689. doi: 10.1007/s10886-018-0973-x. Epub 2018 Jun 2.

PMID:
29858747
22.

Strengthening health systems in Africa: a case study of the Kenya field epidemiology training program for local frontline health workers.

Roka ZG, Githuku J, Obonyo M, Boru W, Galgalo T, Amwayi S, Kioko J, Njoroge D, Ransom JA.

Public Health Rev. 2017 Oct 24;38:23. doi: 10.1186/s40985-017-0070-7. eCollection 2017.

23.

Comparison of lipopolysaccharides composition of two different strains of Helicobacter pylori.

Leker K, Lozano-Pope I, Bandyopadhyay K, Choudhury BP, Obonyo M.

BMC Microbiol. 2017 Dec 4;17(1):226. doi: 10.1186/s12866-017-1135-y.

24.

Author correction: Micromotor-enabled active drug delivery for in vivo treatment of stomach infection.

de Ávila BE, Angsantikul P, Li J, Angel Lopez-Ramirez M, Ramírez-Herrera DE, Thamphiwatana S, Chen C, Delezuk J, Samakapiruk R, Ramez V, Obonyo M, Zhang L, Wang J.

Nat Commun. 2017 Oct 31;8(1):1299. doi: 10.1038/s41467-017-01616-y.

25.

Transfusion Transmissible Infections Among Walk-In Blood Donors at Kisumu Regional Blood Transfusion Centre, Kisumu County, Kenya, 2015.

Wamamba D, Onyango D, Oyugi E, Kanyina E, Obonyo M, Githuku J, Ransom J.

Lab Med. 2017 Nov 8;48(4):362-366. doi: 10.1093/labmed/lmx059.

PMID:
29036415
26.

Micromotor-enabled active drug delivery for in vivo treatment of stomach infection.

de Ávila BE, Angsantikul P, Li J, Angel Lopez-Ramirez M, Ramírez-Herrera DE, Thamphiwatana S, Chen C, Delezuk J, Samakapiruk R, Ramez V, Obonyo M, Zhang L, Wang J.

Nat Commun. 2017 Aug 16;8(1):272. doi: 10.1038/s41467-017-00309-w. Erratum in: Nat Commun. 2017 Oct 31;8(1):1299.

27.

Effect of myeloid differentiation primary response gene 88 on expression profiles of genes during the development and progression of Helicobacter-induced gastric cancer.

Lozano-Pope I, Sharma A, Matthias M, Doran KS, Obonyo M.

BMC Cancer. 2017 Feb 15;17(1):133. doi: 10.1186/s12885-017-3114-y.

28.

Seroprevalence and Factors Associated with Coxiella burnetii Infection in Small Ruminants in Baringo County, Kenya.

Muema J, Thumbi SM, Obonyo M, Wanyoike S, Nanyingi M, Osoro E, Bitek A, Karanja S.

Zoonoses Public Health. 2017 Nov;64(7):e31-e43. doi: 10.1111/zph.12342. Epub 2017 Jan 24.

PMID:
28117947
29.

Antimicrobial and cytotoxicity properties of the organic solvent fractions of Clerodendrum myricoides (Hochst.) R. Br. ex Vatke: Kenyan traditional medicinal plant.

Njeru SN, Obonyo M, Nyambati S, Ngari S, Mwakubambanya R, Mavura H.

J Intercult Ethnopharmacol. 2016 Apr 16;5(3):226-32. doi: 10.5455/jice.20160416122003. eCollection 2016 Jun-Aug.

30.

Suspected Rabies in Humans and Animals, Laikipia County, Kenya.

Obonyo M, Akoko JM, Orinde AB, Osoro E, Boru WG, Njeru I, Fèvre EM.

Emerg Infect Dis. 2016 Mar;22(3):551-3. doi: 10.3201/eid2203.151118. No abstract available.

31.

Notes from the Field: Ongoing Cholera Outbreak - Kenya, 2014-2016.

George G, Rotich J, Kigen H, Catherine K, Waweru B, Boru W, Galgalo T, Githuku J, Obonyo M, Curran K, Narra R, Crowe SJ, O'Reilly CE, Macharia D, Montgomery J, Neatherlin J, De Cock KM, Lowther S, Gura Z, Langat D, Njeru I, Kioko J, Muraguri N.

MMWR Morb Mortal Wkly Rep. 2016 Jan 29;65(3):68-9. doi: 10.15585/mmwr.mm6503a7.

32.
33.

Antimicrobial and cytotoxicity properties of the crude extracts and fractions of Premna resinosa (Hochst.) Schauer (Compositae): Kenyan traditional medicinal plant.

Njeru SN, Obonyo MA, Nyambati SO, Ngari SM.

BMC Complement Altern Med. 2015 Aug 25;15:295. doi: 10.1186/s12906-015-0811-4.

34.

Mechanism of antibacterial activity of liposomal linolenic acid against Helicobacter pylori.

Jung SW, Thamphiwatana S, Zhang L, Obonyo M.

PLoS One. 2015 Mar 20;10(3):e0116519. doi: 10.1371/journal.pone.0116519. eCollection 2015.

35.

Phospholipase A2-responsive antibiotic delivery via nanoparticle-stabilized liposomes for the treatment of bacterial infection.

Thamphiwatana S, Gao W, Pornpattananangkul D, Zhang Q, Fu V, Li J, Li J, Obonyo M, Zhang L.

J Mater Chem B. 2014 Dec 14;2(46):8201-8207.

36.

Larvicidal activity of selected aloe species against Aedes aegypti (Diptera: Culiciade).

Chore JK, Obonyo M, Wachira FN, Mireji PO.

J Insect Sci. 2014 Jan 1;14. pii: 202. doi: 10.1093/jisesa/ieu064. Print 2014.

37.

In vivo treatment of Helicobacter pylori infection with liposomal linolenic acid reduces colonization and ameliorates inflammation.

Thamphiwatana S, Gao W, Obonyo M, Zhang L.

Proc Natl Acad Sci U S A. 2014 Dec 9;111(49):17600-5. doi: 10.1073/pnas.1418230111. Epub 2014 Nov 24.

38.

Evolution and Structural Analyses of Glossina morsitans (Diptera; Glossinidae) Tetraspanins.

Murungi EK, Kariithi HM, Adunga V, Obonyo M, Christoffels A.

Insects. 2014 Nov 12;5(4):885-908. doi: 10.3390/insects5040885.

39.

Investigation to determine staff exposure and describe animal bite surveillance after detection of a rabid zebra in a safari lodge in Kenya, 2011.

Obonyo M, Arvelo W, Kadivane S, Orundu M, Lankau E, Gakuya F, Munyua P, Githinji J, Marano N, Njenga K, Omolo J, Montgomery J.

Pan Afr Med J. 2014 Sep 7;19:10. doi: 10.11604/pamj.2014.19.10.3434. eCollection 2014.

40.

Deficiency of the myeloid differentiation primary response molecule MyD88 leads to an early and rapid development of Helicobacter-induced gastric malignancy.

Banerjee A, Thamphiwatana S, Carmona EM, Rickman B, Doran KS, Obonyo M.

Infect Immun. 2014 Jan;82(1):356-63. doi: 10.1128/IAI.01344-13. Epub 2013 Oct 28.

41.

Genetic diversity in Napier grass (Pennisetum purpureum) cultivars: implications for breeding and conservation.

Wanjala BW, Obonyo M, Wachira FN, Muchugi A, Mulaa M, Harvey J, Skilton RA, Proud J, Hanson J.

AoB Plants. 2013;5:plt022. doi: 10.1093/aobpla/plt022. Epub 2013 May 11.

42.

Antibacterial activities of liposomal linolenic acids against antibiotic-resistant Helicobacter pylori.

Obonyo M, Zhang L, Thamphiwatana S, Pornpattananangkul D, Fu V, Zhang L.

Mol Pharm. 2012 Sep 4;9(9):2677-85. doi: 10.1021/mp300243w. Epub 2012 Aug 6.

43.

Exposure of US travelers to rabid zebra, Kenya, 2011.

Lankau EW, Montgomery JM, Tack DM, Obonyo M, Kadivane S, Blanton JD, Arvelo W, Jentes ES, Cohen NJ, Brunette GW, Marano N, Rupprecht CE.

Emerg Infect Dis. 2012 Jul;18(7):1202-4. doi: 10.3201/eid1807.120081. No abstract available.

44.

Effects of myeloid differentiation primary response gene 88 (MyD88) activation on Helicobacter infection in vivo and induction of a Th17 response.

Obonyo M, Rickman B, Guiney DG.

Helicobacter. 2011 Oct;16(5):398-404. doi: 10.1111/j.1523-5378.2011.00861.x.

45.

Bacterial toxin-triggered drug release from gold nanoparticle-stabilized liposomes for the treatment of bacterial infection.

Pornpattananangkul D, Zhang L, Olson S, Aryal S, Obonyo M, Vecchio K, Huang CM, Zhang L.

J Am Chem Soc. 2011 Mar 23;133(11):4132-9. doi: 10.1021/ja111110e. Epub 2011 Feb 23.

46.

Myeloid differentiation primary response gene 88 is required for the resolution of otitis media.

Hernandez M, Leichtle A, Pak K, Ebmeyer J, Euteneuer S, Obonyo M, Guiney DG, Webster NJ, Broide DH, Ryan AF, Wasserman SI.

J Infect Dis. 2008 Dec 15;198(12):1862-9. doi: 10.1086/593213.

47.

Deficiencies of myeloid differentiation factor 88, Toll-like receptor 2 (TLR2), or TLR4 produce specific defects in macrophage cytokine secretion induced by Helicobacter pylori.

Obonyo M, Sabet M, Cole SP, Ebmeyer J, Uematsu S, Akira S, Guiney DG.

Infect Immun. 2007 May;75(5):2408-14. Epub 2007 Mar 12.

49.

Expression of LL-37 by human gastric epithelial cells as a potential host defense mechanism against Helicobacter pylori.

Hase K, Murakami M, Iimura M, Cole SP, Horibe Y, Ohtake T, Obonyo M, Gallo RL, Eckmann L, Kagnoff MF.

Gastroenterology. 2003 Dec;125(6):1613-25.

PMID:
14724813
50.

Interactions between inducible nitric oxide and other inflammatory mediators during Helicobacter pylori infection.

Obonyo M, Guiney DG, Fierer J, Cole SP.

Helicobacter. 2003;8(5):495-502.

PMID:
14535996

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