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EnglishAn increase in the circulation of HIV-1 non-B subtypes has been observed in recent years in Western European countries. Due to the lack of data on the circulation of HIV-1 non-B subtypes among European HIV-1-infected men who have sex with men (MSM), a biomolecular study was conducted in Rome, Italy. HIV-1 partial pol gene sequences from 111 MSM individuals (76 drug naive and 35 drug experienced) were collected during the years 2004-2006. All these sequences were analyzed using the REGA HIV-1 Subtyping Tool, and aligned using CLUSTAL X followed by manual editing using the Bioedit software. A BLAST search for non-B subtype sequences was also performed. Twenty-six (23.4%) MSM were not Italians. Eight individuals (7.2%) were diagnosed as HIV infected before 1991, 20 (18.0%) between 1991 and 1999, and 83 (74.8%) from 2000 to 2006. Fifteen (15/111, 13.5%) individuals were infected with the non-B subtype. The percentage of infection with HIV-1 non-B subtypes was 8.2% (7/85) among Italian MSM and 30.8% (8/26) among the non-Italians (OR = 4.95 95% IC: 1.40-17.87). Individuals infected with the non-B subtype were significantly younger than those infected with the HIV-1 B subtype (28 years vs. 34 years, p = 0.003). The CRFs were more prevalent (8.1%) than pure subtypes (5.4%), which were distributed as follows: subtype C (2.6%), subtype A1 (1.7%), and subtype F1 (0.9%). Major mutations conferring resistance to antiretroviral drugs (ARV) were not found among HIV-1 non-B subtype drug-naive patients but were found in two ARV-experienced individuals. The data show that viral diversity is likely increasing in a population group that had been previously characterized by the circulation of HIV-1 subtype B. © Copyright 2009, Mary Ann Liebert, Inc.
Giuliani, M., Montieri, S., Palamara, G., Latini, A., Alteri, C., Perno CF, et al. (2009). Non-B HIV type 1 subtypes among men who have sex with men in Rome, Italy. AIDS RESEARCH AND HUMAN RETROVIRUSES, 25(2), 157-164.
| Tipologia: | Articolo su rivista | |
| Citazione: | Giuliani, M., Montieri, S., Palamara, G., Latini, A., Alteri, C., Perno CF, et al. (2009). Non-B HIV type 1 subtypes among men who have sex with men in Rome, Italy. AIDS RESEARCH AND HUMAN RETROVIRUSES, 25(2), 157-164. | |
| IF: | Con Impact Factor ISI | |
| Lingua: | English | |
| Settore Scientifico Disciplinare: | Settore MED/07 - Microbiologia e Microbiologia Clinica | |
| Revisione (peer review): | Sì, ma tipo non specificato | |
| Tipo: | Articolo | |
| Rilevanza: | Rilevanza internazionale | |
| Digital Object Identifier (DOI): | http://dx.doi.org/10.1089/aid.2008.0175 | |
| Stato di pubblicazione: | Pubblicato | |
| Data di pubblicazione: | 24-feb-2009 | |
| Titolo: | Non-B HIV type 1 subtypes among men who have sex with men in Rome, Italy | |
| Autori: | ||
| Autori: | Giuliani, M; Montieri, S; Palamara, G; Latini, A; Alteri, C; Perno CF; Santoro, MM; Rezza, G; Ciccozzi, M | |
| Appare nelle tipologie: | 01 - Articolo su rivista |
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| Non-B HIV Type 1 Subtypes among Men who have sex with men in Rome, Italy.pdf | N/A |  | Open Access Visualizza/Apri |
http://hdl.handle.net/2108/39180
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