Changes in the diversity of local cervical bacteria in women with cervical cancer receiving antineoplastic treatment

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Manzanares Leal Gauddy Lizeth; Coronel Martinez Jaime; Rodriguez Morales Miguel; Bustamante Montes Lilia Patricia; Sandoval Trujillo Horacio; Ramirez Duran Ninfa

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Paper Information

Journal: JOURNAL OF RESEARCH IN MEDICAL SCIENCES (JRMS) Year:2021 | Volume:26 | Issue:- Page(s): 0-0

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Title

Changes in the diversity of local cervical bacteria in women with cervical cancer receiving antineoplastic treatment

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Keywords

Aerobic‑culturable bacteria

antineoplastic treatment

cervical cancer

cervicovaginal bacteria

Abstract

Background: Some studies show changes in the microbiota in people undergoing antineoplastic treatment. Currently, there is not enough evidence of this effect in the treatment of cervical cancer (CC). The objective was to determine changes in the diversity of local cervical bacteria in women with CC receiving chemotherapy, radiotherapy, and brachytherapy. Materials and Methods: A descriptive, longitudinal, and prospective study was conducted in 68 women with locally advanced CC with a treatment plan based on the administration of chemotherapy, external beam radiotherapy, and brachytherapy. Cervical‑ vaginal fluid samples were taken during antineoplastic treatment. The samples were used to isolate bacterial strains. The bacteria were identified at the molecular level by comparing sequences of the 16S ribosomal RNA gene. Results: The bacteria identified belonged to three phyla: Firmicutes, Proteobacteria, and Actinobacteria. Nine genera and 25 species of bacteria were identified. The most frequent species were Staphylococcus epidermidis, Corynebacterium amycolatum, and Enterococcus faecalis. There were statistically significant differences when comparing bacterial diversity found in the different stages of treatment (≤ 0. 05). Bacterial diversity decreased as antineoplastic treatment progressed and increased at the end of therapy. Conclusion: antineoplastic treatments generate changes in the diversity of local cervical bacterial communities of women with CC.

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APA: Copy

Manzanares Leal, Gauddy Lizeth, Coronel Martinez, Jaime, Rodriguez Morales, Miguel, Bustamante Montes, Lilia Patricia, Sandoval Trujillo, Horacio, & Ramirez Duran, Ninfa. (2021). Changes in the diversity of local cervical bacteria in women with cervical cancer receiving antineoplastic treatment. JOURNAL OF RESEARCH IN MEDICAL SCIENCES (JRMS), 26(-), 0-0. SID. https://sid.ir/paper/984806/en

Vancouver: Copy

Manzanares Leal Gauddy Lizeth, Coronel Martinez Jaime, Rodriguez Morales Miguel, Bustamante Montes Lilia Patricia, Sandoval Trujillo Horacio, Ramirez Duran Ninfa. Changes in the diversity of local cervical bacteria in women with cervical cancer receiving antineoplastic treatment. JOURNAL OF RESEARCH IN MEDICAL SCIENCES (JRMS)[Internet]. 2021;26(-):0-0. Available from: https://sid.ir/paper/984806/en

IEEE: Copy

Gauddy Lizeth Manzanares Leal, Jaime Coronel Martinez, Miguel Rodriguez Morales, Lilia Patricia Bustamante Montes, Horacio Sandoval Trujillo, and Ninfa Ramirez Duran, “Changes in the diversity of local cervical bacteria in women with cervical cancer receiving antineoplastic treatment,” JOURNAL OF RESEARCH IN MEDICAL SCIENCES (JRMS), vol. 26, no. -, pp. 0–0, 2021, [Online]. Available: https://sid.ir/paper/984806/en

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