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Characterization of signaling pathways activated by helminth antigens in macrophages (MPF3P.808)

2014· article· en· W1539297543 on OpenAlexaff
Héctor Valderrama-Carvajal, Diana Martínez‐Saucedo, Mónica Romero-Díaz, Lena Ruíz-Azuara, América Padilla-Viveros, Laura Padierna-Mota, Juan Carlos Canale-Zambrano, Luis I. Terrazas

Bibliographic record

VenueThe Journal of Immunology · 2014
Typearticle
Languageen
FieldImmunology and Microbiology
TopicParasites and Host Interactions
Canadian institutionsMcGill University
Fundersnot available
KeywordsCell biologyImmune systemSignal transductionMacrophageBiologyIn vitroAntigenCell signalingImmunofluorescenceAntibodyImmunologyBiochemistry

Abstract

fetched live from OpenAlex

Abstract Helminths parasites modulate or escape their host’s immune response by different molecular and cellular strategies. One of these is through the interaction of different molecules from their surface with cellular membrane elements of immune cells, modulating signaling pathways. These parasites trigger, control and modulate the early response of macrophages and dendritic cells (DC). The aim of this study is to elucidate the macrophage signaling pathways that are activated in response to a Helminth Parasitic Antigen Fractions (HPAFs) in vitro. Our data show that HPAFs have a biological effect on macrophages. WB analysis using specific anti-phospho-antibodies, showed that the HPAFs can signalize in a time dependent manner. In addition, immunofluorescence experiments showed that HPAFs promote a significant change in macrophages morphology. Different reports indicate that the chemoattraction and change of morphology of the macrophages is an essential step in the host response to different infections. We evaluated the effect of HPAFs on the transcriptional regulation of downstream target genes. Our PCR studies showed that HPAFs-stimulated macrophages could regulate downstream target genes such as TLR-4, Arg-1, Ym-1 and iNOS, showing that HPAFs regulate important signaling pathways in macrophages. Our results suggest that HPAFs may contain molecules that could interact with membrane molecules, activating signaling pathways that are involved in the regulation of the immune response.

Fetched live from OpenAlex and de-inverted. Abstracts are not stored in this database: the inverted indexes are 8.6 GB of the frame’s 9.3 GB of text, and the host has 13 GB free.

How this classification was reachedexpand

Full frame distilled prediction

Teacher imitation

Not 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.

metaresearch head score (Codex)0.001
metaresearch head score (Gemma)0.000
Version: codex-gemma-dda1882f352aValidation status: machine_predicted_unvalidated
Candidate categoriesnone
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Bench or experimental · Consensus signal: Bench or experimental
GenreCandidate signal: Empirical · Consensus signal: Empirical
Teacher disagreement score0.024
Threshold uncertainty score0.347

Codex and Gemma teacher scores by category

CategoryCodexGemma
Metaresearch0.0010.000
Meta-epidemiology (narrow)0.0000.000
Meta-epidemiology (broad)0.0000.000
Bibliometrics0.0000.000
Science and technology studies0.0000.000
Scholarly communication0.0000.000
Open science0.0000.000
Research integrity0.0000.000
Insufficient payload (model declined to judge)0.0000.000

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.

Opus teacher head0.010
GPT teacher head0.238
Teacher spread0.229 · how far apart the two teachers sit on this one work
Validation statusscore_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it

Classification

machine, unvalidated

Machine predicted; a candidate call from one teacher head, not a consensus.

The models applied no category: nothing in the taxonomy fit this work.
Study designBench or experimental
Domainnot available
GenreEmpirical

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".

Quick stats

Citations0
Published2014
Admission routes1
Has abstractyes

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