Shakeel Ilma, Mohammad Taj, Haider Shaista, Hussain Afzal, AlAjmi Mohamed F, Chakrabarty Anindita, Sohal Sukhwinder Singh, Afzal Mohammad, Hassan Md Imtaiyaz
Department of Zoology, Aligarh Muslim University, Aligarh, Uttar Pradesh 202002 India.
Centre for Interdisciplinary Research in Basic Sciences, Jamia Millia Islamia, Jamia Nagar, New Delhi, 110025 India.
3 Biotech. 2025 Jun;15(6):195. doi: 10.1007/s13205-025-04356-9. Epub 2025 May 29.
Sphingosine kinase 1 (SphK1) is an essential enzyme in sphingolipid metabolism, catalyzing the phosphorylation of sphingosine to produce sphingosine-1-phosphate (S1P), a bioactive lipid with diverse roles in cell proliferation, survival, and migration. Dysregulation of the SphK1/S1P axis is implicated in a variety of pathological conditions, including inflammatory, metabolic, and neurodegenerative diseases. Targeting SphK1 represents a promising therapeutic strategy, particularly in oncology and inflammation-related pathologies. In this study, we investigated the potential of three natural compounds, Baicalin (BA), Naringenin (NR), and Noscapine (NS) as SphK1 inhibitors. Through combined molecular docking, molecular dynamics simulations, binding studies and enzyme inhibition assays, we identified these compounds as effective SphK1 inhibitors. BA, NR, and NS exhibited binding affinities characterized by IC50 values of 26.542, 32.157, and 28.134 μM, respectively. These molecules bind to the active site of SphK1 with favorable binding energies with strong non-covalent interactions. This study provides structural and functional insights into potential of BA, NR, and NS to target SphK1 selectively, which can function as lead compounds for developing novel anti-cancer therapy with minimal off-target effects, offering avenues for developing drugs with enhanced specificity and affinity for this enzyme.
鞘氨醇激酶1(SphK1)是鞘脂代谢中的一种关键酶,催化鞘氨醇磷酸化生成1-磷酸鞘氨醇(S1P),这是一种生物活性脂质,在细胞增殖、存活和迁移中发挥多种作用。SphK1/S1P轴的失调与多种病理状况有关,包括炎症、代谢和神经退行性疾病。靶向SphK1是一种有前景的治疗策略,尤其是在肿瘤学和炎症相关疾病方面。在本研究中,我们研究了三种天然化合物黄芩苷(BA)、柚皮素(NR)和诺斯卡品(NS)作为SphK1抑制剂的潜力。通过结合分子对接、分子动力学模拟、结合研究和酶抑制试验,我们确定这些化合物为有效的SphK1抑制剂。BA、NR和NS的结合亲和力分别以IC50值26.542、32.157和28.134 μM为特征。这些分子以有利的结合能与SphK1的活性位点结合,并具有强烈的非共价相互作用。本研究提供了关于BA、NR和NS选择性靶向SphK1潜力的结构和功能见解,它们可作为先导化合物用于开发具有最小脱靶效应的新型抗癌疗法,为开发对该酶具有更高特异性和亲和力的药物提供了途径。
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