Bibliographic record
Abstract
Formulating an effective HIV vaccine remains a formidable challenge despite nearly 3 decades of intense research since the virus was first isolated. One of the obstacles that need to be surmounted is the design of a preparation that elicits a potent and broadly neutralizing antibody (nAb) response, i.e. antibodies with the capacity to block infectivity of the genetically diverse pool of HIV strains that circulate globally. The primary target for nAbs on HIV-1 is the envelope glycoprotein spike (Env). Early work on elucidating the exposure of antibody epitopes on Env suggested highly restricted accessibility of antibodies to epitopes that are conserved among otherwise diverse virus isolates. Crystal structures of Env-derived antigens, most in complex with antibodies, along with structure-function studies and molecular modeling, have provided significant further insight into features of Env that limit broad antibody recognition. Despite these challenges, recent progress on various fronts has led to a growing sense that Env is not as impenetrable to nAbs as might have been believed in the past. Increased understanding of antibody epitope exposure on Env should provide new impulses for efforts to elicit nAbs that can protect against HIV-1 infection. Keywords: HIV envelope glycoprotein, neutralizing antibodies, non-neutralizing antibodies, epitope accessibility, Neutralization, HIV-1, vaccine, neutralizing antibody, Env-derived antigens, effector cells, antibody-dependent cellular cytotoxicity, gp120, CCR5, CXCR4, monoclonal antibodies, anti-viral antibody, oligomerization, Golgi apparatus, Cryo-electron tomography, CD4-binding site, SIV/HIV chimera, cytotoxic T cells, MAb b13, CD4bs, V3 Region, HGN194, complementarity determining, EBV-transformed rhesus B cells, Enfuvirtide
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How this classification was reachedexpand
Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.001 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.001 |
| Insufficient payload (model declined to judge) | 0.001 | 0.001 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; a candidate call from one teacher head, not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".