Lysine-Proline-Valine peptide mitigates fine dust-induced keratinocyte apoptosis and inflammation by regulating oxidative stress and modulating the MAPK/NF-κB pathway
Autores: Sung J, Ju SY, Park S, Jung WK, Je JY, et al.
Abstract
Airborne particulate matter (PM) poses a major environmental risk that impairs skin health by triggering oxidative stress, inflammation, and cell death.. In this study, we investigated the protective effects of Lysine-Proline-Valine (KPV)-an endogenous peptide derived from α-melanocyte-stimulating hormone-against oxidative damage and inflammation induced by fine PM (PM10) in human HaCaT.
Hallazgos Clave
In this study, we investigated the protective effects of Lysine-Proline-Valine (KPV)-an endogenous peptide derived from α-melanocyte-stimulating hormone-against oxidative damage and inflammation... | Our results show that PM10 markedly suppresses HaCaT cell proliferation via cytotoxic effects and induces a pro-inflammatory response by increasing IL-1β secretion. | Notably, treatment with 50 μg/mL of KPV restored cell viability and reduced IL-1β secretion disrupted by PM10 exposure.Diseño del Estudio
Research studyMore KPV Research Papers
Additional peer-reviewed studies and clinical trials indexed for KPV on PepsReview:
- Dissection of the anti-inflammatory effect of the core and C-terminal (KPV) alpha-melanocyte-stimulating hormone peptides — J Pharmacol Exp Ther, 2003 (460 citations)
- alpha-Melanocyte-stimulating hormone, MSH 11-13 KPV and adrenocorticotropic hormone signalling in human keratinocyte cells — J Invest Dermatol, 2004 (440 citations)
- Terminal signal: anti-inflammatory effects of α-melanocyte-stimulating hormone related peptides beyond the pharmacophore — Adv Exp Med Biol, 2010 (320 citations)
- Transdermal Iontophoretic Delivery of Lysine-Proline-Valine (KPV) Peptide Across Microporated Human Skin — J Pharm Sci, 2017 (180 citations)
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About This KPV Research Paper
This study is part of PepsReview's indexed research library for KPV. We systematically index peer-reviewed publications, clinical trial results, and scientific studies related to KPV to provide researchers and clinicians with a centralized, searchable database of evidence. Each paper in our index includes metadata such as journal name, publication year, citation count, study type, and condition studied, along with key findings and study design summaries where available.
KPV is classified in our Anti-aging / Longevity category. Anti-inflammatory tripeptide — gut healing and immune modulation For a complete list of research papers on KPV, visit the research index page. To compare vendor pricing and read user reviews, visit the main KPV profile page.
Understanding KPV Research
KPV has been the subject of growing scientific interest, with researchers investigating its pharmacological properties, therapeutic potential, and safety profile across multiple study designs. The research landscape for KPV includes preclinical in vitro and animal model studies that elucidate its mechanism of action, Phase I clinical trials assessing safety and pharmacokinetics in human subjects, and larger Phase II and Phase III trials evaluating efficacy in target populations. Published studies vary in design — some are randomized controlled trials with placebo groups, others are open-label dose-escalation studies, and many are retrospective analyses of real-world data from clinics and compounding pharmacies.
When interpreting KPV research, it is important to consider several factors: the study population size and demographics, the dosage range tested, the duration of follow-up, the presence of confounding variables, and whether the results have been replicated in independent cohorts. Single studies, even well-designed ones, should not be considered definitive evidence. The strongest conclusions come from meta-analyses that pool data across multiple studies and from replicated findings across different research groups. Our research index for KPV allows you to browse all available studies in one place and compare their methodologies, outcomes, and limitations side by side.
How to Evaluate Peptide Research Quality
Not all published studies carry equal weight. When reviewing KPV research, consider the following quality indicators: peer-reviewed publication in a reputable journal with an impact factor, large sample sizes (n > 100 for clinical studies), randomized and blinded study designs, clearly defined endpoints, appropriate control groups, and disclosure of funding sources and potential conflicts of interest. Studies published in top-tier journals such as the New England Journal of Medicine, The Lancet, JAMA, or Diabetes Care undergo rigorous peer review and are generally more reliable. Preclinical studies and animal models, while valuable for hypothesis generation, should not be extrapolated to human use without clinical validation.
Additionally, pay attention to the condition studied and whether it aligns with your research interest. A study examining KPV for one condition may not be applicable to a different therapeutic context. Dosage ranges, administration routes, and treatment durations can significantly affect outcomes. Always cross-reference findings with the broader literature and consult the full text of the original publication rather than relying solely on abstracts or summaries.
Related Research on KPV
PepsReview continues to index new KPV publications as they appear in the scientific literature. Our research library is updated regularly with studies from PubMed, ClinicalTrials.gov, and direct journal submissions. If you are aware of a published study that is not yet in our index, you can contact our editorial team to request its inclusion. We also welcome submissions of conference abstracts, preprint articles, and independent lab reports that meet our quality criteria.
For researchers new to KPV, we recommend starting with the most highly cited papers in our index, as these typically represent foundational studies that have shaped the field. You can also browse by study type — clinical trials, animal studies, review articles, or case reports — to find the evidence most relevant to your work.
Research Disclaimer
The studies indexed on PepsReview are provided for educational and informational purposes only. They do not constitute medical advice. Peptides discussed in these publications may be investigational, and their safety and efficacy have not been established by the FDA unless explicitly noted. Always consult a qualified healthcare professional before making decisions based on research findings. PepsReview does not endorse, recommend, or guarantee the accuracy of any individual study. Our role is to index and organize published research for the convenience of the scientific community.