ArticleClinical and experimental immunology2015
Prime-boost vaccination strategy with bacillus Calmette-Guérin (BCG) and liposomized alpha-crystalline protein 1 reinvigorates BCG potency.
Article in Clinical and experimental immunology, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
5 citing papers in PubMed, 13 citations in OpenAlex.
- A century of BCG vaccination: Immune mechanisms, animal models, non-traditional routes and implications for COVID-19.Frontiers in immunology · 2022Review
- Mycobacterium tuberculosis host cell interaction: Role of latency associated protein Acr-1 in differential modulation of macrophages.PloS one · 2018Article
- A lipidated peptide of Mycobacterium tuberculosis resuscitates the protective efficacy of BCG vaccine by evoking memory T cell immunity.Journal of translational medicine · 2017Article
- Diametric Role of the Latency-Associated Protein Acr1 ofFrontiers in immunology · 2017Article
- Recent Advances in Subunit Vaccine Carriers.Vaccines · 2016Review
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
7 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Bacillus Calmette-Guérin (BCG) remains the only available and most widely administered vaccine against Mycobacterium tuberculosis (Mtb), yet it fails to protect vaccinated individuals either from primary infection or reactivation of latent tuberculosis (TB). Despite BCG's variable efficacy against TB, the fact remains that BCG imparts protection in children against the disease, indicating that BCG possesses a wide protective antigenic repertoire. However, its failure to impart protection in adulthood can be linked to its failure to generate long-lived memory response and elicitation of an inadequate immune response against latency-associated antigens. Therefore, to improve the protective efficacy of BCG, a novel vaccination strategy is required. Consequently, in the present study, we have exploited the vaccination potential of liposomized α-crystalline 1 (Acr1L), a latency-associated antigen to induce enduring protective immunity against Mtb in BCG-primed animals. It is noteworthy that an increase in the multi-functional [interferon (IFN)-γ(hi) /tumour necrosis factor (TNF)-α(hi) ] CD4 and CD8 T cells were observed in BCG-primed and Acr1L-boosted (BCG-Acr1L) animals, compared to BCG alone. Further, substantial expansion of both central memory (CD44(hi) /CD62L(hi) ) and effector memory (CD44(hi) /CD62L(lo) ) populations of CD4 and CD8 T cells was noted. Importantly, BCG-Acr1L exhibited significantly better protection than BCG, as evidenced by a reduction in the bacterial burden and histopathological data of the lungs. In essence, BCG-Acr1L could be a potent future vaccination strategy to reinvigorate BCG potency.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.