{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,7,30]],"date-time":"2025-07-30T15:03:33Z","timestamp":1753887813851,"version":"3.41.2"},"reference-count":54,"publisher":"FapUNIFESP (SciELO)","license":[{"start":{"date-parts":[[2025,1,1]],"date-time":"2025-01-01T00:00:00Z","timestamp":1735689600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"},{"start":{"date-parts":[[2025,1,1]],"date-time":"2025-01-01T00:00:00Z","timestamp":1735689600000},"content-version":"am","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"},{"start":{"date-parts":[[2025,1,1]],"date-time":"2025-01-01T00:00:00Z","timestamp":1735689600000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Mem. Inst. Oswaldo Cruz"],"abstract":"<jats:p> BACKGROUND  Elite controllers (ECs) are a rare subset of individuals who naturally suppress human immunodeficiency virus type 1 (HIV-1) replication in the absence of antiretroviral therapy. Specific polymorphisms in the accessory proteins Vif and Vpr have been associated with diminished viral fitness in vitro and are more frequently detected in ECs compared to other individuals infected with HIV-1.  OBJECTIVE  To assess the frequency of gross genetic defects or polymorphisms that may attenuate the function of the HIV-1 accessory proteins Vif and Vpr within the proviral quasispecies of ECs.  METHODS  We performed single-genome amplification (SGA) and sequence analysis of the proviral quasispecies of the accessory genes vif and vpr in samples obtained from eight ECs with over 10 years of suppressive viral control and no evidence of disease progression.  FINDINGS  In subjects EC11, EC38 and EC52, most proviral clones encode full-length, intact vif and vpr open reading frames without known attenuating polymorphisms. Subject EC35 displayed stop codons in a substantial fraction of vif (33%) and vpr (67%) proviral clones. Subject EC36 exhibited the attenuating polymorphisms Vpr-Q3R + R77Q combined in all proviral clones. Subject EC17 showed stop codons in 20-30% of vif-vpr proviral clones, hypermutated sequences in 20% of vif proviral clones, and the attenuating polymorphism Vpr-R77Q in all proviral clones. Subject EC19 presented stop codons in 8-17% of vif-vpr proviral sequences, hypermutated sequences in 25% of vif-vpr proviral clones, and the polymorphisms Vif-R132S+Ins61(EDK) and Vpr-R77Q in all clones analysed. Finally, subject EC42 displayed stop codons in 25-38% of vif-vpr proviral sequences, hypermutated sequences in 25% of vif proviral clones, and the polymorphisms Vif-T20A+R132S and Vpr-R77Q in most (&gt; 80%) proviral clones.  MAIN CONCLUSIONS  Mutations associated with attenuation of HIV-1 Vif and\/or Vpr functions may contribute to the long-term control of viral replication and disease progression in certain ECs.<\/jats:p>","DOI":"10.1590\/0074-02760240274","type":"journal-article","created":{"date-parts":[[2025,6,27]],"date-time":"2025-06-27T11:21:45Z","timestamp":1751023305000},"source":"Crossref","is-referenced-by-count":0,"title":["Identification of polymorphisms associated with attenuation of Vif and Vpr in HIV-1 Elite Controllers"],"prefix":"10.1590","volume":"120","author":[{"given":"Suwellen Sardinha Dias","family":"de Azevedo","sequence":"first","affiliation":[{"name":"Funda\u00e7\u00e3o Oswaldo Cruz-Fiocruz,  Brazil"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Fernanda Heloise","family":"C\u00f4rtes","sequence":"additional","affiliation":[{"name":"Funda\u00e7\u00e3o Oswaldo Cruz-Fiocruz,  Brazil"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Mariza G","family":"Morgado","sequence":"additional","affiliation":[{"name":"Funda\u00e7\u00e3o Oswaldo Cruz-Fiocruz,  Brazil"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Brenda","family":"Hoagland","sequence":"additional","affiliation":[{"name":"Funda\u00e7\u00e3o Oswaldo Cruz-Fiocruz,  Brazil"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Larissa M","family":"Villela","sequence":"additional","affiliation":[{"name":"Funda\u00e7\u00e3o Oswaldo Cruz-Fiocruz,  Brazil"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Beatriz","family":"Grinsztejn","sequence":"additional","affiliation":[{"name":"Funda\u00e7\u00e3o Oswaldo Cruz-Fiocruz,  Brazil"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Valdilea Gon\u00e7alvez","family":"Veloso","sequence":"additional","affiliation":[{"name":"Funda\u00e7\u00e3o Oswaldo Cruz-Fiocruz,  Brazil"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-2724-2793","authenticated-orcid":false,"given":"Gonzalo","family":"Bello","sequence":"additional","affiliation":[{"name":"Funda\u00e7\u00e3o Oswaldo Cruz-Fiocruz,  Brazil; Funda\u00e7\u00e3o Oswaldo Cruz-Fiocruz,  Brazil"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"530","published-online":{"date-parts":[[2025]]},"reference":[{"issue":"3","key":"ref1","doi-asserted-by":"crossref","first-page":"406","DOI":"10.1016\/j.immuni.2007.08.010","article-title":"Human immunodeficiency virus controllers mechanisms of durable virus control in the absence of antiretroviral therapy","volume":"27","author":"Deeks SG","year":"2007","journal-title":"Immunity"},{"issue":"7","key":"ref2","doi-asserted-by":"crossref","first-page":"487","DOI":"10.1038\/nri3478","article-title":"Unravelling the mechanisms of durable control of HIV-1","volume":"13","author":"Walker 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