ArticleCommunications biology2023
IKBA phosphorylation governs human sperm motility through ACC-mediated fatty acid beta-oxidation.
Article in Communications biology, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.
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Who cites it
11 citing papers in PubMed, 15 citations in OpenAlex.
- Detachment-Induced FAK-STAT3-NNMT Inhibits CTCs Anoikis to Promote Breast Cancer Metastasis by Enhancing Fatty Acid Oxidation.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2026Article
- Stable isotope labelling mass spectrometry analysis of isolated mouse sperm.Biology of reproduction · 2026Article
- Metabolic pathways fueling human spermatozoa capacitation and hyperactivation: a roadmap for spermatozoa bioenergetics.Frontiers in endocrinology · 2026Review
- Riboflavin Increases Goat Sperm Motility via Enhancement of Mitochondrial β-Oxidation.Biology · 2025Article
- Supplementation of Trimethylamine N-Oxide or Betaine in Semen Improves Quality of Boar Spermatozoa Stored at 17 °C Following Hydrostatic Pressure Stress.Life (Basel, Switzerland) · 2025Article
- Functions of ectodysplasin A2 receptor (EDA2R) in inducing capacitation of sperm in mice.In vitro cellular & developmental biology. Animal · 2025Article
- Bacterial vaginosis toxins impair sperm capacitation and fertilization.Human reproduction (Oxford, England) · 2025Article
- Copper aggravated synaptic damage after traumatic brain injury by downregulating BNIP3-mediated mitophagy.Autophagy · 2025Article
- Genetic Comparison and Selection of Reproductive and Growth-Related Traits in Qinchuan Cattle and Two Belgian Cattle Breeds.Animals : an open access journal from MDPI · 2025Article
- Abnormalities in mitochondrial energy metabolism induced by cryopreservation negatively affect goat sperm motility.Frontiers in veterinary science · 2024Article
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Authors and funding
11 authors at 3 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The nuclear factor-κB (NF-κB) signaling pathway regulates specific immunological responses and controls a wide range of physiological processes. NF-κB inhibitor alpha (IKBA) is an NF-κB inhibitory mediator in the cytoplasm that modulates the nuclear translocation and DNA binding activities of NF-κB proteins. However, whether the upstream cascade of the canonical NF-κB signaling pathway has physiological roles independent of IKBA-mediated transcriptional activation remains unclear. Herein we investigated the function of IKBA in mature sperm in which transcriptional and translational events do not occur. IKBA was highly expressed in human sperm. The repression of IKBA phosphorylation by its inhibitor Bay117082 markedly enhanced sperm motility. On the contrary, lipopolysaccharide-stimulated IKBA phosphorylation significantly decreased sperm motility. Nevertheless, Bay117082 treatment did not affect the motility of IKBA-knockout sperm. Further, untargeted metabolomic analysis and pharmacological blocking assays revealed that the Bay117082-induced increase in sperm motility was attributable to fatty acid β-oxidation (FAO) enhancement. In addition, we found that IKBA phosphorylation inhibition resulted in a significant reduction of acetyl-CoA carboxylase levels in the FAO metabolic pathway. Our findings indicate that IKBA-mediated signaling orchestrates sperm motility program and improves our understanding of transcription-independent NF-κB signaling pathway in cells.
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