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Identification of Novel Protein Targ...

Diala, Fitz Gerald Iheanyichukwu.

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Identification of Novel Protein Targets of Metronidazole in Drug Sensitive and Resistant Strains of Trichomonas vaginalis and Examination of the Role of Mycoplasma Hominis in Secretion of Cytokines Released from Primary Human Monocytes.

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	Identification of Novel Protein Targets of Metronidazole in Drug Sensitive and Resistant Strains of Trichomonas vaginalis and Examination of the Role of Mycoplasma Hominis in Secretion of Cytokines Released from Primary Human Monocytes./
作者:	Diala, Fitz Gerald Iheanyichukwu.
出版者:	Ann Arbor : ProQuest Dissertations & Theses, : 2020,
面頁冊數:	119 p.
附註:	Source: Dissertations Abstracts International, Volume: 82-01, Section: B.
Contained By:	Dissertations Abstracts International82-01B.
標題:	Molecular biology. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=28001774
ISBN:	9798635221914

Identification of Novel Protein Targets of Metronidazole in Drug Sensitive and Resistant Strains of Trichomonas vaginalis and Examination of the Role of Mycoplasma Hominis in Secretion of Cytokines Released from Primary Human Monocytes.
Diala, Fitz Gerald Iheanyichukwu.

Identification of Novel Protein Targets of Metronidazole in Drug Sensitive and Resistant Strains of Trichomonas vaginalis and Examination of the Role of Mycoplasma Hominis in Secretion of Cytokines Released from Primary Human Monocytes. - Ann Arbor : ProQuest Dissertations & Theses, 2020 - 119 p.

Source: Dissertations Abstracts International, Volume: 82-01, Section: B.

Thesis (Ph.D.)--University of California, Los Angeles, 2020.

This item must not be sold to any third party vendors.

Trichomonas vaginalis, an extracellular, flagellated protozoan parasite, is the etiologic agent for trichomoniasis, the most common non-viral sexually transmitted infection, trichomoniasis. While asymptomatic presentation is commonplace, symptomatic infections typically present as vaginitis and cervicitis in women, and urethritis in men. Only 5-nitroimidazole class of drugs, metronidazole (Mz) and tinidazole, is FDA-approved for treatment of infections. To overcome the knowledge gap in Mz targets in T. vaginalis, we used metronidazole-alkyne analog and we employed copper(I)-catalyzed azide-alkyne cycloaddition (CuAAC) "click" reaction to enrich these protein targets. Using tandem mass tag quantitative proteomics, we identified novel protein targets in Mz-sensitive and -resistant parasites. We also determined through activity-based protein profiling that metronidazole binds to cysteine residues and subsequently identified cysteine residues that are bound by metronidazole. As the nature of immune response to T. vaginalis infection appears to vary, we also explored whether T. vaginalis parasites harboring M. hominis, an endosymbiont, induce the production of different cytokines from primary human monocytes compared to parasites that do not harbor the endosymbiont. Indeed, we observe that more cytokines are elaborated in response to M. hominis infected parasites. Together, these studies illuminate our knowledge of this important human pathogen, pharmacologically and immunologically.

ISBN: 9798635221914Subjects--Topical Terms:

517296
Molecular biology.
Subjects--Index Terms:

Metronidazole

Identification of Novel Protein Targets of Metronidazole in Drug Sensitive and Resistant Strains of Trichomonas vaginalis and Examination of the Role of Mycoplasma Hominis in Secretion of Cytokines Released from Primary Human Monocytes.
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520 $a Trichomonas vaginalis, an extracellular, flagellated protozoan parasite, is the etiologic agent for trichomoniasis, the most common non-viral sexually transmitted infection, trichomoniasis. While asymptomatic presentation is commonplace, symptomatic infections typically present as vaginitis and cervicitis in women, and urethritis in men. Only 5-nitroimidazole class of drugs, metronidazole (Mz) and tinidazole, is FDA-approved for treatment of infections. To overcome the knowledge gap in Mz targets in T. vaginalis, we used metronidazole-alkyne analog and we employed copper(I)-catalyzed azide-alkyne cycloaddition (CuAAC) "click" reaction to enrich these protein targets. Using tandem mass tag quantitative proteomics, we identified novel protein targets in Mz-sensitive and -resistant parasites. We also determined through activity-based protein profiling that metronidazole binds to cysteine residues and subsequently identified cysteine residues that are bound by metronidazole. As the nature of immune response to T. vaginalis infection appears to vary, we also explored whether T. vaginalis parasites harboring M. hominis, an endosymbiont, induce the production of different cytokines from primary human monocytes compared to parasites that do not harbor the endosymbiont. Indeed, we observe that more cytokines are elaborated in response to M. hominis infected parasites. Together, these studies illuminate our knowledge of this important human pathogen, pharmacologically and immunologically.
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