Efficacy of the human recombinant angiogenin in CD-1 mice skin burn wound therapy
Bibliographic record
Abstract
Both the skin's own cellular components and physiologically active substances, such as cytokines, actively participate in the protracted and intricate process of skin burn wound healing. One of these molecules is angiogenin, a ribonuclease that encourages the development of a vascular network where tissue and organ damage has occurred. The study compared the effects of intradermal delivery of human skin fibroblast cells, EA.Hy926 endothelial cells, conditioned media from human bone marrow mesenchymal stem cells, and human recombinant angiogenin after thermal skin burn in female CD-1 mice. Material and methods. Using a metal plate heated to 200–250 °C over the flame, a thermal skin burn in the back area was initiated. Treatment was started immediately after the initiation of the burn wound. Recombinant human angiogenin (1 ml of solution containing 10 μg of active agent) was administered once, twice, and three times with an interval of 7 days; conditioned media from human somatic cells (1 ml) were administered once. A caliper was used to measure the size of the wound on days 7, 14, and 21. Blood and a piece of skin from the burn wound were collected when the animals were removed from the experiment. Using spectrophotometry, the amounts of NO and cytokines (IL-1β, TNFα, IL-10, and VEGF) in blood serum and extract of skin samples were measured. The squamous epithelium, granulation tissue, blood vessel count, lymphocytes, neutrophils, macrophages, plasmocytes, and fibroblasts were all evaluated by histological analysis of skin samples. Results and discussion. Human recombinant angiogenin or conditioned media derived from human somatic cells significantly accelerated the repair of wound skin defects in groups of mice with thermal burns. A conditioned media derived from human bone marrow mesenchymal stem cells is as effective as a single injection of human recombinant angiogenin. The wound defect's epithelialization, granulation tissue development, and increased angiogenesis were all facilitated by treatment with human recombinant angiogenin and conditioned media derived from human somatic cells. It has been demonstrated that variations in cytokine and NO levels in blood serum and skin occur depending on the type of treatment and the length of observation. The morphometric characteristics of skin samples taken from the burn site were found to correlate with these parameters. Conclusions. Injections of the biomedical cell product into the area of thermal skin burns in female CD-1 mice accelerate wound defect healing.
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 imitationNot 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.
Distilled classifier scores by category (both heads)
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.001 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.001 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.001 | 0.001 |
| Insufficient payload (model declined to judge) | 0.002 | 0.000 |
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.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; a candidate call from one source (direct Gemma or distilled Codex), not a consensus.
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".