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B7-33

Relaxin B7-33, Single-chain relaxin analog

Quick Stats
Studies 13
Trials 0
1993 pubmed 9 citations

Study of HLA antigens in patients with osteosarcoma.

Barona. P P; Sierrasesúmaga. L L; Antillón. F F; Villa-Elízaga. I I

Key Findings

  • HLA‑A11 was present in 33.3% of osteosarcoma patients versus 12% in controls.
  • HLA‑B7 was present in 33.3% of osteosarcoma patients versus 11.3% in controls.
  • There were trends toward higher frequencies of HLA‑A24 and HLA‑A28, but these were not statistically significant.

Practical Outcomes

  • For biohackers and self‑directed health optimizers, this research offers no immediate protocols, supplements, or lifestyle changes. It is a purely observational genetics study relevant to cancer research, not to longevity, metabolic health, or performance enhancement.

Summary

The study looked at genetic markers (HLA-A and HLA-B types) in a small group of Spanish osteosarcoma patients and found that two specific markers, HLA‑A11 and HLA‑B7, were more common compared to healthy controls. This is a basic cancer‑genetics observation and does not provide any direct advice or actionable steps for health optimization.

Abstract

HLA typing was carried out in a group of twenty-four Spanish unrelated patients diagnosed with conventional high-grade osteosarcoma. All of them were typed for HLA-A and HLA-B antigens. A significant increase in the HLA-A11 (33.3 vs. 12%, chi 2 = 9.752, corrected p value = 0.016) and HLA-B7 (33.3 vs. 11.3%, chi 2 = 10.919, corrected p value = 0.011) was found in osteosarcoma patients compared with the control group. A trend towards an increased frequency in HLA-A24 and HLA-A28 antigens was also found.

Study Information

Provider

pubmed

Year

1993

Date

1993-07-01T00:00:00.000Z

DOI

10.1159/000154149

Citations

9