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MOLECULAR NEUROBIOLOGY · 2023 · IF 5.1

Levomilnacipran Improves Lipopolysaccharide-Induced Dysregulation of Synaptic Plasticity and Depression-Like Behaviors via Activating BDNF/TrkB Mediated PI3K/Akt/mTOR Signaling Pathway

Wu Yuhan,Zhu Zhanpeng,Lan Tian,Li Shuhan,Li Ye,Wang Changmin,Feng Yabo,Mao Xueqin,Yu Shuyan

Depression is a common psychological disease with high morbidity and mortality. Recently, the involvement of synaptic plasticity in the pathogenesis of depression has shed light on the direction of developing novel antidepressants. Levomilnacipran is a newly approved medication for the treatment of adult major depressive disorder. However, the detailed mechanisms underlying its antidepressant-like effects have yet to be illuminated. In this study, we aimed to investigate the role of levomilnacipran in regulating synaptic plasticity and explore the possible molecular mechanisms of its antidepressant effects using a rat model of depression induced by lipopolysaccharide (LPS). The results demonstrated that levomilnacipran (30 mg/kg, i.p.) significantly ameliorated depression-like behaviors in rats, alleviated the dysregulation of synaptic plasticity, and suppressed neuroinflammation within hippocampus induced by LPS-treatment. Levomilnacipran increased the expression of postsynaptic dense 95 (PSD-95) and synaptophysin (Syn) and reversed the imbalance between pro- and anti-inflammatory cytokines within hippocampus of depressed rats. Additionally, levomilnacipran elevated expression level of brain-derived neurotrophic factor (BDNF), accompanied by increased tyrosine kinase B (TrkB), phosphorylated phosphatidylinositol 3-kinase (PI3K), phosphorylated protein kinase B (p-Akt), and phosphorylated mammalian target of rapamycin (p-mTOR). Taken together, these results suggest that levomilnacipran may exert antidepressant effects via upregulating BDNF/TrkB mediated PI3K/Akt/mTOR signaling pathway to improve synaptic plasticity. These findings reveal potential mechanisms for the antidepressant effects of levomilnacipran and offer new insights into the treatments for depression. Graphical Abstract

CAS / MDL: 96847-55-1
研究领域: 神经科学 · 药理学 · 分子生物学 · 精神病学
✓ 已验证 产品关联 DOI PubMed 高影响因子
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INTERNATIONAL IMMUNOPHARMACOLOGY · 2023 · IF 5.6

Panaxadiol saponin ameliorates ferroptosis in iron-overload aplastic anemia mice and Meg-01 cells by activating Nrf2/HO-1 and PI3K/AKT/mTOR signaling pathway

WenBin Liu,ZhengWei Tan,YueChao Zhao,YanNa Zhao,XiaoLing Yu,BoLin Wang,FengLin Shen,Ai Mi,JinJian Lan,RuiLan Gao

Panaxadiol saponin (PND) is a latent targeted drug for the treatment of aplastic anemia (AA). In this study, we examined the effects of PND on ferroptosis in iron-overload AA and Meg-01 cells. We utilized RNA-seq to analyze differentially expressed genes in iron-induced Meg-01 cells treated with PND. The effects of PND or combined with deferasirox (DFS) on iron deposition, labile iron pool (LIP), several ferroptosis events, apoptosis, mitochondrial structure, as well as ferroptosis-, Nrf2/HO-1-, and PI3K/AKT/mTOR pathway-related markers in iron-induced Meg-01 cells were examined by Prussian-blue staining, flow cytometer, ELISA, Hoechst 33342 staining, transmission electron microscope, and Western blot assays, respectively. Additionally, an AA mice model with iron overload was established. Then, the blood routine was assessed, and the number of bone marrow-derived mononuclear cells (BMMNCs) in mice was counted. Also, serum iron, ferroptosis events, apoptosis, histology, T lymphocyte percentage, ferroptosis-, Nrf2/HO-1-, and PI3K/AKT/mTOR signaling-related targets in primary megakaryocytes of AA mice with iron overload were assessed by commercial kits, TUNEL staining, hematoxylin and eosin (H&E) staining, Prussian blue staining, flow cytometer, and qRT-PCR analysis, respectively. PND suppressed iron-triggered iron overload, and apoptosis, and ameliorated mitochondrial morphology in Meg-01 cells. Importantly, PND ameliorated ferroptosis-, Nrf2/HO-1-, and PI3K/AKT/mTOR signaling-related marker expressions in iron-induced Meg-01 cells or primary megakaryocytes of AA mice with iron overload. Moreover, PND ameliorated body weight, peripheral blood cell counts, the number of BMMNCs, and histological injury in the iron-overload AA mice. Also, PND improved the percentage of T lymphocytes in the iron-overload AA mice. PND attenuates ferroptosis against iron-overload AA mice and Meg-01 cells via activating Nrf2/HO-1 and PI3K/AKT/mTOR pathway and is a promising novel therapeutic candidate for AA.

研究领域: 药理学 · 血液学 · 细胞生物学 · 分子生物学
✓ 已验证 产品关联 DOI PubMed 高影响因子
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Drug Delivery and Translational Research · 2025 · IF 5.5

Bioavailability enhancement and neuropharmacological effects of Dauricine under intranasal administration to improve cognitive impairment via PI3K/AKT/mTOR pathway

Xie Ruiye,Liu Zhen,Zheng Jingjing,Tan Qiwen,Wu Haitao,Liang Yong

Alzheimer’s disease (AD) is a neurodegenerative disorder strongly associated with aging, and Dauricine (DAU) has demonstrated significant neuropharmacological properties for AD treatment. However, its bioavailability is significantly limited when administered orally, leaving the mechanisms underlying its effects on AD largely unexplored. In this study, a DAU-loaded thermosensitive gel was formulated for delivery via the nasal-nerve route, and its potential to enhance the bioavailability of DAU in rat plasma and cerebrospinal fluid (CSF) was assessed through a pharmacokinetic study. The anti-Alzheimer’s disease (AD) mechanism of DAU was investigated using network pharmacology approaches, molecular docking, and dynamics simulations, complemented by in vivo experimental validation. DAU can be effectively incorporated into a thermosensitive gel and administered to the brain within 30 min via intranasal delivery. Following nasal administration, the pharmacokinetic parameters of DAU in cerebrospinal fluid and plasma were significantly elevated compared to oral administration ( ** P  < 0.01), indicating a substantial improvement in bioavailability at equivalent doses. Behavioral studies demonstrated that DAU (dose of 1 mg/kg and 2 mg/kg in gel) enhanced cognitive function in intracerebroventricular-streptozotocin (ICV-STZ) rats and decelerated aging processes by reversing oxidative stress and mitigating neuronal apoptosis. Additionally, DAU contributed to lowering blood glucose levels, increasing insulin-like growth factor 1 (IGF-1) content, and reducing insulin resistance. Network pharmacological analysis, molecular docking, molecular dynamics simulations, and in vivo experiments collectively suggested that DAU exerted significant therapeutic effects on Alzheimer’s disease by inhibiting the PI3K/AKT/mTOR pathway. Our study demonstrates a significant enhancement in the bioavailability of DAU in the brain via nasal-nerve delivery route and also this research is the first to report that DAU ameliorates cognitive impairment in ICV-STZ rats through the PI3K/AKT/mTOR pathway. Our findings contribute to the scientific understanding of DAU’s potential in Alzheimer’s disease treatment and offer a novel experimental foundation for the development of anti-Alzheimer’s drugs. Graphic abstract

研究领域: 神经科学 · 药剂学 · 药理学 · 药物递送 · 分子生物学
✓ 已验证 产品关联 DOI PubMed 高影响因子
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PHYTOMEDICINE · 2022 · IF 6.656

Compound 511 ameliorates MRSA-induced lung injury by attenuating morphine-induced immunosuppression in mice via PI3K/AKT/mTOR pathway

Zhonghao Li,Qinmei Sun,Qingyang Liu,Xinru Mu,Hui Wang,Han Zhang,Fenfen Qin,Qisheng Wang,Dengyun Nie,Anlong Liu,Qian Li,Jianjian Ji,Yongwei Jiang,Shengfeng Lu,Qian Wang,Zhigang Lu

Background Opioids are widely used in clinical practice. However, their long-term administration causes respiratory depression , addiction, tolerance, and severe immunosuppression . Traditional Chinese medicine (TCM) can alleviate opioid-induced adverse effects. Compound 511 is particularly developed for treating opioid addiction, based on Jiumi Liangfang, an ancient Chinese drug treatment and rehabilitation monograph completed in 1833 A.D. It is an herbal formula containing eight plants, each of them contributing to the overall pharmacological effect of the product: Panax ginseng C. A. Meyer (8.8%), Astragalus membranaceus (Fisch.) (18.2%), Datura metel Linn. (10.95%), Corydalis yanhusuo W. T. Wang (14.6%), Acanthopanar gracilistμlus W. W. Smith (10.95%), Ophiopogon japonicus (Linn. f.) Ker-Gawl. (10.95%), Gynostemma pentaphyllum (Thunb.) Makino (10.95%), Polygala arvensis Willd. (14.6%). This formula effectively ameliorates opioid-induced immunosuppression. However, the underlying mechanism remains unclear. Purpose To reveal the effects of Compound 511 on the immune response of morphine-induced immunosuppressive mice and their potential underlying molecular mechanism. This study provides information for a better clinical approach and scientific use of opioids. Methods Immunosuppression was induced in mice by repeated morphine administration. Th1/Th2/Th17/Treg cell levels were measured using flow cytometry. Splenic transcription factors of Th1/Th2/Th17/Treg and outputs of the regulatory PI3K/AKT/mTOR signaling pathway were determined. Subsequently, methicillin-resistant Staphylococcus aureus (MRSA) was administered intranasally to morphine-induced immunosuppressive mice pretreated with Compound 511. Their lung inflammatory status was assessed using micro-computer tomography (CT), hematoxylin and eosin (H&E) staining, and enzyme-linked immunosorbent assay (ELISA). Results Compared to morphine, Compound 511 significantly decreased the immune organ indexes of mice, corrected the Th1/Th2 and Treg/Th17 imbalance in the immune organs and peripheral blood, reduced the mRNA levels of FOXP3 and GATA3 , and increased those of STAT3 and T-bet in the spleen . It improved immune function and reduced MRSA-induced lung inflammation. Conclusion Compound 511 ameliorates opioid-induced immunosuppression by regulating the balance of Th1/Th2 and Th17/Treg via PI3K/AKT/mTOR signaling pathway. Thus, it effectively reduces susceptibility of morphine-induced immunosuppressive mice to MRSA infection .

CAS / MDL: 520-18-3
研究领域: 药理学 · 免疫学 · 微生物学 · 中药学 · 分子生物学
✓ 已验证 产品关联 DOI PubMed 高影响因子
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CHEMISTRY & BIODIVERSITY · 2023 ·Vol. 20 ·期 4 ·e202200523 · IF 2.9

Chamomile Essential Oil: Chemical Constituents and Antitumor Activity in MDA-MB-231 Cells through PI3K/Akt/mTOR Signaling Pathway

Zhonghua An,Xuelin Feng,Mengjia Sun,Yifan Wang,Hongbo Wang,Yanling Gong

Chamomile essential oil (CEO) is extracted from chamomile and mainly used in aromatherapy. The chemical constituents and its antitumor activity on Triple-negative breast cancer (TNBC) was explored in the present study. Gas chromatography-mass spectrometry (GC/MS) was employed to analyze the chemical constituents of CEO. The cell viability, migration and invasion of TNBC cell MDA-MB-231 were measured using MTT, wound scratch and Transwell assay, respectively. The protein expression of PI3K/Akt/mTOR signaling pathway was determined by Western blot. CEO is rich in terpenoids (63.51 %), among which the identified terpenoids and their derivatives are mainly Caryophyllene (29.57 %), d-Cadinene (12.81 %), Caryophyllene oxide (14.51 %), etc. Three concentration of CEO (1, 1.5, 2 μg/mL) significantly inhibited the proliferation, migration and invasion of MDA-MB-231 cells with a dose dependent manner. Moreover, the phosphorylation of PI3K, Akt and mTOR was inhibited by CEO. The results revealed that there was abundant terpenoids in the CEO which account for 63.51 %. CEO significantly inhibited the proliferation, migration and invasion of MDA-MB-231 cells, exhibiting antitumor effect on TNBC. The antitumor effect of CEO might attribute to its inhibition on PI3K/Akt/mTOR signaling pathway. However, further study should be conducted in more TNBC cell lines and animal models to provide further evidence for TNBC treatment by CEO.

CAS / MDL: 67-68-5
研究领域: 肿瘤学 · 药理学 · 分子生物学 · 细胞生物学 · 分析化学
✓ 已验证 产品关联 DOI PubMed 高影响因子
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FEBS Open Bio · 2024 · IF 2.8

2-dodecyl-6-methoxycyclohexa-2,5-diene-1,4-dione mediates the effect of ROS-enhanced PI3K/Akt/mTOR pathway on autophagy in breast cancer

Linqian Chen,Meifeng Chen,Yan Xie,Yuyan Zhang,Shutian Mo,Yongfei He,Tianyi Liang,Yuan Liao,Renbin Huang,Guodong Huang,Chuangye Han,Thi Thai Hoa Pham

Several studies have suggested a potential antitumor effect of 2-dodecyl-6-methoxycyclohexa-2,5-diene-1,4-dione (DMDD). To further understand the mechanism of action of this compound, we investigated its effect on the phosphatidylinositol-3-kinase (PI3K)/serine–threonine kinase (Akt)/mammalian target of rapamycin (mTOR) signaling pathway. We show that DMDD application significantly inhibited the proliferation of breast cancer cell lines MDA-MB-231 and ER-α positive MCF-7. Furthermore, DMDD application resulted in increased intracellular reactive oxygen species (ROS) levels, apoptosis and autophagy, whereas it downregulated the expression of PI3K, Akt and mTOR mRNA and proteins, and increased the expression of LC3II/I and p62 proteins. In a mouse breast cancer xenograft model, DMDD inhibited tumor growth. Expression analyses suggest that ROS levels were higher in DMDD treated tumor tissues, whereas immunohistochemical analyses suggest that apoptotic cells were more prevalent in the DMDD treated group compared to the control group. Taken together, our results suggest that the molecular mechanism of action of DMDD may involve the enhancement of breast cancer autophagy through the PI3K/Akt/mTOR signaling pathway by mediating ROS expression.

CAS / MDL: 589-41-3 33069-62-4
研究领域: 肿瘤学 · 细胞生物学 · 药理学 · 癌症研究
✓ 已验证 产品关联 DOI PubMed 高影响因子
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BIOORGANIC CHEMISTRY · 2024 · IF 4.5

Trametinib and M17, a novel small molecule inhibitor of AKT, display a synergistic antitumor effect in triple negative breast cancer cells through the AKT/mTOR and MEK/ERK pathways

Hongwei Han,Minkai Yang,Zhongling Wen,Feng Mei,Qingqing Chen,Yudi Ma,Xiaohui Lai,Yahan Zhang,Rongjun Fang,Tongming Yin,Shucun Sun,Xiaoming Wang,Jinliang Qi,Hongyan Lin,Yonghua Yang

Triple negative breast cancer (TNBC) is associated with a poor prognosis and limited response to traditional chemotherapy, necessitating the exploration of novel treatment approaches. Recent researches have highlighted the interconnected roles of the PI3K/AKT pathway and MAPK pathway in TNBC cells, contributing to the efficacy of treatments. Therefore, the concurrent inhibition of both pathways presents a potential new therapeutic strategy for TNBC patients. This study aimed to evaluate the antitumor efficacy of M17, an AKT allosteric inhibitor and a new synthesized shikonin derivative, both alone and in combination with the MEK inhibitor trametinib. We applied various cellular assays and a subcutaneous 4T1 tumor bearing BALB/c mice model were utilized to assess the in vitro and in vivo antitumor effects. Computational docking and Bio-Layer Interferometry (BLI) were employed to investigate the binding of M17 with AKT. Additionally, flow cytometry, transwell assays, western blotting, and tumor xenograft assays were conducted to explore the potential synergistic mechanisms of the combined therapy. The results demonstrated that M17 exhibited moderate antitumor activity against TNBC cells, but significantly enhanced the apoptotic effects and inhibited proliferation and migration when combined with trametinib. Furthermore, the combination of M17 and trametinib showed even more pronounced antitumor activity in vivo . Mechanistically, the dual therapy synergistically suppressed TNBC by targeting the AKT/mTOR and MEK/ERK signaling pathways and inhibiting epithelial-mesenchymal transition. In conclusion, the findings suggested that the combination of M17 and trametinib holds promise as a synergistic treatment option for TNBC patients.

研究领域: 肿瘤学 · 癌症研究 · 分子生物学 · 药理学
✓ 已验证 DOI PubMed 高影响因子
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American Journal of Cancer Research · 2022 · IF 5.942

β-elemene suppresses tumor metabolism and stem cell-like properties of non-small cell lung cancer cells by regulating PI3K/AKT/mTOR signaling

Guangyu Cheng,Lin Li,Qingjie Li,Shulin Lian,Hongbo Chu,Yunlu Ding,Chikun Li,Yan Leng

Multi-drug resistance remains a critical issue in cancer treatment that hinders the effective use of chemotherapeutic drugs. The active components of traditional Chinese medicine have been applied as adjuvants to accentuate the anticancer properties of conventional drugs such as cisplatin. However, their application requires further validation and optimization. This study explored the anticancer activity of β-elemene, a natural component of traditional Chinese medical formulations. The effect of β-elemene on the anticancer properties of cisplatin was evaluated in A549 and NCI-H1650 lung cancer cells. Cell apoptosis, stem-like properties, glucose metabolism, multi-drug resistance, and PI3K/AKT/mTOR activation were assessed via flow cytometry, tumorsphere formation, and western blotting. The target genes of β-elemene were predicted using bioinformatics tools and validated in both cell lines. A xenograft model of lung cancer was established in nude mice to evaluate the combined effects of β-elemene and cisplatin in vivo . We found that β-elemene acted synergistically with cisplatin against non-small cell lung cancer cells by promoting apoptosis and impairing glucose metabolism, multi-drug resistance, and stemness maintenance. These effects were mediated by the inhibition of PI3K/AKT/mTOR activation. Bioinformatics analysis revealed that RB1 and TP53 are common target genes associated with lung cancer and β-elemene. The anti-tumorigenic properties of β-elemene were confirmed in vivo , wherein β-elemene, along with cisplatin, significantly suppressed tumor growth in a mouse xenograft model of non-small cell lung cancer. As such, β-elemene acted as an inhibitor of PI3K/AKT/mTOR signaling and enhanced the anticancer effect of cisplatin by targeting tumor metabolism, chemoresistance, and stem-like behavior. Thus, β-elemene is an effective anticancer adjuvant agent with potential clinical applications.

CAS / MDL: 154-17-6
研究领域: 肿瘤学 · 药理学 · 分子生物学 · 生物信息学
✓ 已验证 产品关联 DOI PubMed 高影响因子
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Bioengineered · 2021 · IF 3.269

MicroRNA miR-106a-5p targets forkhead box transcription factor FOXC1 to suppress the cell proliferation, migration, and invasion of ectopic endometrial stromal cells via the PI3K/Akt/mTOR signaling pathway

Xinyue Zhou,Zhenyu Chen,Lipeng Pei,Jingli Sun

Emerging evidence has exhibited an obvious decreased expression of miR-106a-5p in the ectopic endometrial tissue of endometriosis (EMS) patients. Thus far, the pathophysiological function of miR-106a-5p in EMS is unknown. A previous study showed an increased FOXC1 expression in the ectopic endometrial tissue of patients with EMS. Moreover, we found that there was a binding site of miR-106a-5p on the 3ʹUTR of FOXC1 through bioinformatics predictions. Hence, we speculated that miR-106a-5p might affect the development of EMS via targeting FOXC1. We first showed a decreased level of miR-106a-5p and an increased level of FOXC1 mRNA in ectopic endometrial tissues compared with normal tissues. Functionally, we transfected ectopic endometrial stromal cells (ESCs) with miR-106a-5p mimics or NC mimics and indicated an inhibitory role of miR-106a-5p on ESC proliferation, invasion, and migration. Mechanistically, FOXC1 was found to be a target gene of miR-106a-5p. To confirm whether miR-106a-5p exerted an inhibitory activity in ESCs via targeting FOXC1, miR-106a-5p mimic was co-transfected into ESCs with the FOXC1-plasmid or vector. We found that FOXC1 overexpression evidently reversed the results caused by a miR-106a-5p mimic in ESCs. Additionally, our results demonstrated that miR-106a-5p mimic inhibited the expression of p-Akt and p-PI3K. Collectively, these results revealed that miR-106a-5p inhibited the proliferative, migratory, and invasive ability of ESCs via directly binding to FOXC1, likely through the suppression of the PI3K and its downstream signaling pathway, which offered a potential and novel therapeutic strategy for EMS treatment.

CAS / MDL: 28718-90-3
研究领域: 妇科学 · 分子生物学 · 细胞生物学 · 病理生理学
✓ 已验证 产品关联 DOI PubMed 高影响因子
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JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY · 2024 · IF 5.7

Pongamol Alleviates Neuroinflammation and Promotes Autophagy in Alzheimer’s Disease by Regulating the Akt/mTOR Signaling Pathway

Kun Hu,Shaojun Wu,Jiaxin Xu,Yongzhen Zhang,Yanan Zhang,Xinyuan Wu,Jie Miao,Yongxu Yao,Susu Zhu,Guangtong Chen,Jie Ren

Alzheimer’s disease (AD), one of the neurodegenerative disorders, is highly correlated with the abnormal hyperphosphorylation of Tau and aggregation of β-amyloid (Aβ). Oxidative stress, neuroinflammation, and abnormal autophagy are key drivers of AD and how they contribute to neuropathology remains largely unknown. The flavonoid compound pongamol is reported to possess a variety of pharmacological activities, such as antioxidant, antibacterial, and anti-inflammatory. This study investigated the neuroprotective effect and its mechanisms of pongamol in lipopolysaccharide (LPS)-induced BV2 cells, d-galactose/sodium nitrite/aluminum chloride (d-gal/NaNO2/AlCl3)-induced AD mice, and Caenorhabditis elegans models. Our research revealed that pongamol reduced the release of inflammatory factors IL-1β, TNF-α, COX-2, and iNOS in LPS-induced BV2 cells. Pongamol also protected neurons and significantly restored memory function, inhibited Tau phosphorylation, downregulated Aβ aggregation, and increased oxidoreductase activity in the hippocampus of AD mice. In addition, pongamol reversed the nuclear transfer of NF-κB and increased the levels of Beclin 1 and LC3 II/LC3 I. Most importantly, the anti-inflammatory and promoter autophagy effects of pongamol may be related to the regulation of the Akt/mTOR signaling pathway. In summary, these results showed that pongamol has a potential neuroprotective effect, which greatly enriched the research on the pharmacological activity of pongamol for improving AD.

研究领域: 神经科学 · 药理学 · 分子生物学 · 细胞生物学
✓ 已验证 产品关联 DOI PubMed 高影响因子
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Journal of Evidence-Based Integrative Medicine · 2024 · IF 3.3

“Huanglianjiedu Decoction” Against Pancreatic Adenocarcinoma Proliferation of by Downregulating the PI3K/AKT/mTOR and MAPK/ERK1/2 Signaling Pathways

Shu Dong,MD,Panling Xu,MD,Peiwen Yang,MD,Juying Jiao,MD,Chien-shan Cheng,MD,PhD,Lianyu Chen,MD,PhD

BackgroundHuanglianjiedu decoction (HLJDD) is a classical Traditional Chinese Medicine (TCM) prescription with thousand years of clinical use against various malignancies, including pancreatic adenocarcinoma (PAAD). However, its potential bioactive component and molecular mechanism remains unclear.AimsThis study is to inspect the HLJDD mechanisms of action against PAAD via integrated computational and pharmacochemistry strategy, in vivo and in vitro experiments to validate associated targets and pathways.MethodsA PAAD xenograft model was established by subcutaneous injecting Panc02 cells into C57BL/6 mice. Ultra-high performance liquid chromatography with tandem mass spectrometry (UHPLC-MS/MS) was engaged to determine constituents of HLJDD and assessed for pharmacokinetic scheme using the TCM Systems Pharmacology Platform (TCM-SP). Differentially expressed genes (DEGs) of PAAD was retrieved from the transcriptome dataset GSE43795, followed by recognizing overlapping targets the oncogenes and target genes of PAAD and HLJDD, respectively. Putative signaling pathways of HLJDD in treating PAAD were enriched using KEGG and GO analyses. The anti-PAAD effects of HLJDD was assessed in vivo and in vitro, besides, the potential mechanism was validated using immunoblotting and immunohistochemical assays.ResultsHLJDD significantly suppressed the growth of transplanted PAAD tumors, constrained PAAD progression, and induced apoptosis and S-phase arrest. Seventy-five active components meeting the drug-likeness criteria and 278 target genes of HLJDD were identified. KEGG analysis indicated that the top three enriched pathways were cancer, AGE-RAGE signaling, and IL-17 signaling pathways. Disease enrichment analysis highlighted immune, pharmacological, and cancer-related diseases as the top three categories. A total of 47 potential target genes were identified. Immunoblotting revealed that HLJDD inhibited PI3K and MAPK-related signaling pathways, while immunohistochemical staining confirmed that HLJDD suppressed the expression of phosphorylated MAPK and ERK1/2.ConclusionHLJDD inhibited PAAD in vitro and in vivo via the modulation of multiple mechanisms, including regulation of PI3K/AKT/mTOR and MAPK/ERK1/2 signaling pathways.

研究领域: 肿瘤学 · 中医药学 · 药理学 · 分子生物学 · 系统生物学
✓ 已验证 DOI PubMed 高影响因子
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Evidence-based Complementary and Alternative Medicine · 2022 · IF 2.65

Apigenin Suppresses the Warburg Effect and Stem-like Properties in SOSP-9607 Cells by Inactivating the PI3K/Akt/mTOR Signaling Pathway

Yihua Shi,Kai Lian,Jiguang Jia

Osteosarcoma (OS) is a prevalent primary malignant bone tumor that commonly occurs in children and adolescents. Apigenin (4′,5,7-trihydroxyflavone) is one of the most researched phenolic compounds that exhibits antitumor effects in several cancers. The aim of the current study was to investigate the effect and underlying mechanisms of apigenin on OS. To address this, OS cells (SOSP-9607) were treated with different concentrations of apigenin. The proliferation, migration, invasion, stem-like properties, and Warburg effect of apigenin-treated OS cells were evaluated. Apigenin was found to suppress the proliferation of SOSP-9607 cells and inhibit epithelial-mesenchymal transition, as indicated by decreased number of migrated and invaded cells, decreased protein expression of vimentin, and increased protein expression of E-cadherin. Additionally, apigenin suppressed tumorsphere formation and reduced the proportion of SOSP-9607 cells with positive expression of the stem cell-related markers Nanog and OCT-4. Apigenin inhibited the Warburg effect in SOSP-9607 cells, as demonstrated by decreased glucose and lactic acid levels, increased citrate and ATP levels, and downregulation of GLUT1, HK1, and LDHA, which are metabolism-related enzymes related to the Warburg effect. Moreover, apigenin inhibited the phosphorylation of PI3K, Akt, and mTOR in SOSP-9607 cells. Collectively, these results indicate that apigenin suppresses the Warburg effect and stem-like properties in SOSP-9607 cells, which may be mediated by PI3K/Akt/mTOR signaling, thus, providing a novel strategy for OS treatment.

CAS / MDL: 520-36-5
研究领域: 肿瘤学 · 分子生物学 · 细胞生物学 · 癌症研究
✓ 已验证 产品关联 DOI PubMed 高影响因子
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