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Vaginal Bacterial Microbiota and Human Papillomavirus Spanning Urbanization in Amerindians and Mestizos
Başlık:
Vaginal Bacterial Microbiota and Human Papillomavirus Spanning Urbanization in Amerindians and Mestizos
Yazar:
Vargas-Robles, Daniela, author.
ISBN:
9780438051041
Yazar Ek Girişi:
Fiziksel Tanımlama:
1 electronic resource (125 pages)
Genel Not:
Source: Dissertation Abstracts International, Volume: 79-10(E), Section: B.
Advisors: Maria Gloria Dominguez Bello; Jose E. García Arrarás Committee members: Maria Gloria Dominguez Bello; José E. Garcia Arrarás; Riccardo Papa; Maria Eglee Perez; Gloria Sanchez.
Özet:
Since the time of ancestral migrations, humans move with their co-evolved microbes, including beneficial bacteria and viruses such as Human Papillomavirus (HPV), a causal agent of cervical cancer. Amerindian populations, the first colonizers of the American continent, live spanning urbanization, from remote villages to towns. We hypothesized that, by virtue of their isolation, remote Amerindian women have lower HPV diversities than urban Amerindian or mestizo women. Here, we determined the cervical HPV and microbiota diversities in 82 Amerindians in a gradient of urbanization (low, medium and high), and 29 urban mestizos from the town of Puerto Ayacucho in the Venezuelan Amazonas State. HPVs were typed using Lipa25 (reverse hybridization) from cervical samples, and the microbiota was characterized by16S RNA gene (region V1-V3) sequenced in Illumina Miseq. HPV prevalence was 75% with no differences between women groups. Only in Amerindians, prevalence of exclusively high-risk-HPVs was higher than that of only low-risk, or co-infections by both HPV risk types. Amerindians showed lower diversity of both HPV and cervical microbiota than mestizo, and cervical microbiota did not change by HPV status. Amerindians harbored unique bacterial variants in their cervical microbiota. Changes in vaginal microecology with urbanization may be related to the increase in antimicrobial practices, and to higher exposure to the global HPV pool and these changes could have health implications.
Notlar:
School code: 0281
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Yer Numarası | Demirbaş Numarası | Shelf Location | Lokasyon / Statüsü / İade Tarihi |
---|---|---|---|
XX(682859.1) | 682859-1001 | Proquest E-Tez Koleksiyonu | Arıyor... |
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