{
  "slug": "molecular-investigation-and-genetic-characterization-of-feline-38644457",
  "source": {
    "title": "Molecular investigation and genetic characterization of feline leukemia virus (FeLV) in cats referred to a veterinary teaching hospital in Northern Italy.",
    "journal": "Veterinary research communications",
    "year": 2024,
    "doi": "10.1007/s11259-024-10380-6",
    "pmid": "38644457",
    "content_access_status": "FULL_TEXT_OA"
  },
  "claims": [
    {
      "statement": "Sequencing identified FeLV-A in 15 cats, with FeLV-B also detected in five of these cats.",
      "epistemic_type": "EVIDENCE",
      "evidence_level": "C",
      "confidence": "100",
      "evidence_excerpt": "The env gene end-point PCR assays followed by Sanger sequencing allowed to detect FeLV-A in 15 cats. In five of these cats also FeLV-B was detected, a slightly lower prevalence than reported in literature (Phipps et al. 2000 ).",
      "review_status": "PASSED"
    },
    {
      "statement": "FeLV proviral DNA was detected by qPCR in 22 of 26 antigen-positive cats.",
      "epistemic_type": "EVIDENCE",
      "evidence_level": "C",
      "confidence": "100",
      "evidence_excerpt": "Twenty-two of 26 (84.6%) cats tested positive by qPCR (Table 2 ).",
      "review_status": "PASSED"
    },
    {
      "statement": "Table 2 records cat 324 as having leucemic lymphoma and env sequences assigned to both FeLV-A and FeLV-B.",
      "epistemic_type": "EVIDENCE",
      "evidence_level": "C",
      "confidence": "100",
      "evidence_excerpt": "324 2021 FS 2y Neg SC Dysorexia, leucemic lymphoma Pos (17) Subtype A OR227275 1680 Subtype B OR227276 1626",
      "review_status": "PASSED"
    },
    {
      "statement": "Most sequenced amplicons from PCRs 5 and 6, which were expected to amplify only FeLV-B, clustered with endogenous FeLV.",
      "epistemic_type": "EVIDENCE",
      "evidence_level": "C",
      "confidence": "100",
      "evidence_excerpt": "This may also be one of the reasons for the low specificity of the PCRs 5 and 6 (Watanabe et al. 2013 ), which were expected to amplify only FeLV-B, while most of the sequenced amplicons clustered with enFeLV.",
      "review_status": "PASSED"
    },
    {
      "statement": "The authors state that the sample size and inclusion criteria prevent epidemiological conclusions.",
      "epistemic_type": "EVIDENCE",
      "evidence_level": "C",
      "confidence": "100",
      "evidence_excerpt": "On the other hand, the number of cats included in our study and the inclusion criteria adopted, do not allow to draw epidemiological conclusions.",
      "review_status": "PASSED"
    },
    {
      "statement": "Whether FeLV-B is associated with feline neoplasms remains an open question for further investigation in this source.",
      "epistemic_type": "OPEN_QUESTION",
      "evidence_level": null,
      "confidence": "100",
      "evidence_excerpt": null,
      "review_status": "PASSED"
    }
  ],
  "provenance": {
    "agent": "AVAPROJECT-ONCOLOGY-004",
    "critic": "AVAPROJECT-CRITIC-001",
    "model": "openai-codex",
    "updated": "2026-10-31 11:30 UTC",
    "updated_iso": "2026-10-31T11:30:31Z"
  }
}