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MYOCARDIAL DEFECTS IN HYPERACUTE CARDIAC REJECTION

2000· article· en· W2090599960 on OpenAlexaff
Hao Wang, Bertha García, Robert Zhong

Bibliographic record

VenueTransplantation · 2000
Typearticle
Languageen
FieldMedicine
TopicCardiac Imaging and Diagnostics
Canadian institutionsWestern University
Fundersnot available
KeywordsMedicineTransplantationHeart transplantationPathologyAnatomySurgery

Abstract

fetched live from OpenAlex

Dr. Beranek’s interest in our work in xenograft heart transplantation is most appreciated. His concern regarding the histopathology in the graft treated with anti-C5mAb (Fig 1B) is acknowledged. We believe, however, that Dr. Beranek may have over-interpreted a single shot of a black and white representative photograph of that study group. This exemplifies the limitations that authors often have because of the restrictions of space available for illustrations. There are various factors in the photograph that might have prompted his concern. First, the photograph shows myocardial fibers arranged longitudinally. This often causes some minor degree of compression of fibers in a section, giving the impression of crowding of nuclei and thinning of fibers. Second, some artifact present in the section with separation of some of the fibers is often unavoidable. We have seen this also in normal nontransplanted rat hearts. Third, in contrast with adult human and large mammalian hearts, the apparent crowding of nuclei is not an uncommon phenomenon in normal rat hearts. Fourth, we did not see evidence of apoptosis or vacuolization of myocytes in the group in question. Dr. Beranek has identified several provocative explanations for our data presented in Figure 1B. We agree that cardiac damage during hyperacute rejection may be the result of multiple mechanisms and warrants future investigation into the contributions of apoptosis, hemorrhage, and lymphatic overflow. Only after careful examination in testable models will we be able to definitively rule in or rule out what mechanisms are major contributors to cardiomyocyte damage in hyperacute rejection. Hao Wang Bertha Garcia Robert Zhong1

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 machine prediction

Teacher imitation

Not calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.

metaresearch head score (Codex)0.001
metaresearch head score (Gemma)0.001
Version: metacan-v3-hybrid-931329e0061cValidation status: machine_predicted_unvalidated
Candidate categoriesnone
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Observational · Consensus signal: none
GenreCandidate signal: Empirical · Consensus signal: Empirical
Teacher disagreement score0.002
Threshold uncertainty score0.007

Distilled classifier scores by category (both heads)

CategoryCodexGemma
Metaresearch0.0010.001
Meta-epidemiology (narrow)0.0000.000
Meta-epidemiology (broad)0.0000.000
Bibliometrics0.0010.000
Science and technology studies0.0000.001
Scholarly communication0.0000.001
Open science0.0000.001
Research integrity0.0010.001
Insufficient payload (model declined to judge)0.0020.000

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 head0.009
GPT teacher head0.253
Teacher spread0.245 · 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 source (direct Gemma or distilled Codex), not a consensus.

The models applied no category: nothing in the taxonomy fit this work.
Study designObservational
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

Citations1
Published2000
Admission routes1
Has abstractyes

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