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Li Z, Dang Q, Liu C, Liu Y, Wang C, Zhao F, Wang Q, Min W. Caveolin Regulates the Transport Mechanism of the Walnut-Derived Peptide EVSGPGYSPN to Penetrate the Blood-Brain Barrier. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2024; 72:19786-19799. [PMID: 39187786 DOI: 10.1021/acs.jafc.4c03291] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/28/2024]
Abstract
Bioactive peptides, derived from short protein fragments, are recognized for their neuroprotective properties and potential therapeutic applications in treating central nervous system (CNS) diseases. However, a significant challenge for these peptides is their ability to penetrate the blood-brain barrier (BBB). EVSGPGYSPN (EV-10) peptide, a walnut-derived peptide, has demonstrated promising neuroprotective effects in vivo. This study aimed to investigate the transportability of EV-10 across the BBB, explore its capacity to penetrate this barrier, and elucidate the regulatory mechanisms underlying peptide-induced cellular internalization and transport pathways within the BBB. The results indicated that at a concentration of 100 μM and osmotic time of 4 h, the apparent permeability coefficient of EV-10 was Papp = 8.52166 ± 0.58 × 10-6 cm/s. The penetration efficiency of EV-10 was influenced by time, concentration, and temperature. Utilizing Western blot analysis, immunofluorescence, and flow cytometry, in conjunction with the caveolin (Cav)-specific inhibitor M-β-CD, we confirmed that EV-10 undergoes transcellular transport through a Cav-dependent endocytosis pathway. Notably, the tight junction proteins ZO-1, occludin, and claudin-5 were not disrupted by EV-10. Throughout its transport, EV-10 was localized within the mitochondria, Golgi apparatus, endoplasmic reticulum, lysosomes, endosomes, and cell membranes. Moreover, Cav-1 overexpression facilitated the release of EV-10 from lysosomes. Evidence of EV-10 accumulation was observed in mouse brains using brain slice scans. This study is the first to demonstrate that Cav-1 can facilitate the targeted delivery of walnut-derived peptide to the brain, laying a foundation for the development of functional foods aimed at CNS disease intervention.
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Affiliation(s)
- Zehui Li
- College of Food Science and Engineering, Jilin Agricultural University, ChangChun, Jilin 130118, P. R. China
- State Key Laboratory of Subtropical Silviculture, Zhejiang A&F University, Hangzhou 311300, P. R. China
- College of Food and Health, Zhejiang A&F University, Hangzhou, Zhejiang 311300, P. R. China
| | - Qiao Dang
- College of Food Science and Engineering, Jilin Agricultural University, ChangChun, Jilin 130118, P. R. China
| | - Chunlei Liu
- College of Food Science and Engineering, Jilin Agricultural University, ChangChun, Jilin 130118, P. R. China
| | - Yan Liu
- State Key Laboratory of Subtropical Silviculture, Zhejiang A&F University, Hangzhou 311300, P. R. China
- College of Food and Health, Zhejiang A&F University, Hangzhou, Zhejiang 311300, P. R. China
| | - Chongchong Wang
- State Key Laboratory of Subtropical Silviculture, Zhejiang A&F University, Hangzhou 311300, P. R. China
- College of Food and Health, Zhejiang A&F University, Hangzhou, Zhejiang 311300, P. R. China
| | - Fanrui Zhao
- State Key Laboratory of Subtropical Silviculture, Zhejiang A&F University, Hangzhou 311300, P. R. China
- College of Food and Health, Zhejiang A&F University, Hangzhou, Zhejiang 311300, P. R. China
| | - Qianqian Wang
- State Key Laboratory of Subtropical Silviculture, Zhejiang A&F University, Hangzhou 311300, P. R. China
- College of Food and Health, Zhejiang A&F University, Hangzhou, Zhejiang 311300, P. R. China
| | - Weihong Min
- State Key Laboratory of Subtropical Silviculture, Zhejiang A&F University, Hangzhou 311300, P. R. China
- College of Food and Health, Zhejiang A&F University, Hangzhou, Zhejiang 311300, P. R. China
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Yang L, Huang GH, Zhang ZX, Pei YC, Lv SQ. Bedside ultrasound-assisted puncture and drainage under local anesthesia: A novel approach for early post-operative space-occupying tumor bed cysts of glioma resection. J Clin Neurosci 2024; 126:68-74. [PMID: 38850763 DOI: 10.1016/j.jocn.2024.05.035] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2024] [Revised: 05/09/2024] [Accepted: 05/26/2024] [Indexed: 06/10/2024]
Abstract
OBJECTIVES To investigate the causes of space-occupying tumor bed cysts formed early after glioma resection by measuring the osmotic pressure gradient between cystic fluid, serum, and cerebrospinal fluid (CSF) and propose a new method of bedside ultrasound-assisted puncture and drainage (UAP&D) under local anesthesia for treatment. METHODS Bedside UAP&D under local anesthesia was performed through a burr hole on the skull flap.Following a successful puncture, cystic fluid was collected, while blood and CSF were obtained through vein and lumbar puncture, respectively. The osmotic pressure of all fluids collected was measured. The appearance, biochemical composition, and results of microbial culture of cystic fluid and CSF were analyzed. Within 24 h after UAP&D, a CT examination and Glasgow coma scale (GCS) were assessed. RESULTS The osmotic pressure of cystic fluid was higher than that of serum and CSF. White blood cell count and protein concentration were higher in the cystic fluid compared to the CSF. Conversely, the concentration of chloride ions and glucose were lower. CT scan confirmed the correct placement of the cysts' drainage tube and that the cysts' volume decreased significantly with continued drainage. Accompanied by a reduction in the volume of cysts, there were significant improvements in GCS score within 24 h after UAP&D. All drainage tubes were removed within 2-5 days, and no puncture tract hemorrhage or infection was observed. CONCLUSION The osmotic pressure gradient between cystic fluid, serum, and CSF caused the formation of early post-operative space-occupying tumor bed cysts for glioma. UAP&D aligns with the concept that micro-invasive neurosurgery is an effective treatment method for such cysts.
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Affiliation(s)
- Lin Yang
- Department of Neurosurgery, Xinqiao Hospital, Army Medical University, Chongqing City 400037, PR China
| | - Guo-Hao Huang
- Department of Neurosurgery, Xinqiao Hospital, Army Medical University, Chongqing City 400037, PR China
| | - Zuo-Xin Zhang
- Department of Neurosurgery, Xinqiao Hospital, Army Medical University, Chongqing City 400037, PR China
| | - Yu-Chun Pei
- Department of Neurosurgery, Xinqiao Hospital, Army Medical University, Chongqing City 400037, PR China.
| | - Sheng-Qing Lv
- Department of Neurosurgery, Xinqiao Hospital, Army Medical University, Chongqing City 400037, PR China.
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Carecho R, Marques D, Carregosa D, Masuero D, Garcia-Aloy M, Tramer F, Passamonti S, Vrhovsek U, Ventura MR, Brito MA, Nunes Dos Santos C, Figueira I. Circulating low-molecular-weight (poly)phenol metabolites in the brain: unveiling in vitro and in vivo blood-brain barrier transport. Food Funct 2024; 15:7812-7827. [PMID: 38967492 DOI: 10.1039/d4fo01396d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/06/2024]
Abstract
Circulating metabolites resulting from colonic metabolism of dietary (poly)phenols are highly abundant in the bloodstream, though still marginally explored, particularly concerning their brain accessibility. Our goal is to disclose (poly)phenol metabolites' blood-brain barrier (BBB) transport, in vivo and in vitro, as well as their role at BBB level. For three selected metabolites, benzene-1,2-diol-3-sulfate/benzene-1,3-diol-2-sulfate (pyrogallol-sulfate - Pyr-sulf), benzene-1,3-diol-6-sulfate (phloroglucinol-sulfate - Phlo-sulf), and phenol-3-sulfate (resorcinol-sulfate - Res-sulf), BBB transport was assessed in human brain microvascular endothelial cells (HBMEC). Their potential in modulating in vitro BBB properties at circulating concentrations was also studied. Metabolites' fate towards the brain, liver, kidney, urine, and blood was disclosed in Wistar rats upon injection. Transport kinetics in HBMEC highlighted different BBB permeability rates, where Pyr-sulf emerged as the most in vitro BBB permeable metabolite. Pyr-sulf was also the most potent regarding BBB properties improvement, namely increased beta(β)-catenin membrane expression and reduction of zonula occludens-1 membrane gaps. Whereas no differences were observed for transferrin, increased expression of caveolin-1 upon Pyr-sulf and Res-sulf treatments was found. Pyr-sulf was also capable of modulating gene and protein expression of some solute carrier transporters. Notably, each of the injected metabolites exhibited a unique tissue distribution in vivo, with the remarkable ability to almost immediately reach the brain.
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Affiliation(s)
- Rafael Carecho
- iNOVA4Health, NOVA Medical School, Faculdade de Ciências Médicas, Universidade NOVA de Lisboa, Campo dos Mártires da Pátria, Lisboa, Portugal.
- Instituto de Tecnologia Química e Biológica António Xavier, Universidade NOVA de Lisboa, Avenida da República, Oeiras, Portugal
| | - Daniela Marques
- iNOVA4Health, NOVA Medical School, Faculdade de Ciências Médicas, Universidade NOVA de Lisboa, Campo dos Mártires da Pátria, Lisboa, Portugal.
| | - Diogo Carregosa
- iNOVA4Health, NOVA Medical School, Faculdade de Ciências Médicas, Universidade NOVA de Lisboa, Campo dos Mártires da Pátria, Lisboa, Portugal.
| | - Domenico Masuero
- Metabolomics Unit, Research and Innovation Centre, Fondazione Edmund Mach (FEM), via E. Mach 1, San Michele all'Adige, Italy
| | - Mar Garcia-Aloy
- Metabolomics Unit, Research and Innovation Centre, Fondazione Edmund Mach (FEM), via E. Mach 1, San Michele all'Adige, Italy
| | - Federica Tramer
- Department of Life Sciences, University of Trieste, via L. Giorgieri 1, Trieste, Italy
| | - Sabina Passamonti
- Department of Life Sciences, University of Trieste, via L. Giorgieri 1, Trieste, Italy
| | - Urska Vrhovsek
- Metabolomics Unit, Research and Innovation Centre, Fondazione Edmund Mach (FEM), via E. Mach 1, San Michele all'Adige, Italy
| | - M Rita Ventura
- Instituto de Tecnologia Química e Biológica António Xavier, Universidade NOVA de Lisboa, Avenida da República, Oeiras, Portugal
| | - Maria Alexandra Brito
- Research Institute for Medicines, Faculty of Pharmacy, Universidade de Lisboa, Av. Prof. Gama Pinto, Lisboa, Portugal
- Department of Pharmaceutical Sciences and Medicines, Faculty of Pharmacy, Universidade de Lisboa, Av. Prof. Gama Pinto, Lisboa, Portugal
| | - Cláudia Nunes Dos Santos
- iNOVA4Health, NOVA Medical School, Faculdade de Ciências Médicas, Universidade NOVA de Lisboa, Campo dos Mártires da Pátria, Lisboa, Portugal.
- Instituto de Tecnologia Química e Biológica António Xavier, Universidade NOVA de Lisboa, Avenida da República, Oeiras, Portugal
- iBET, Instituto de Biologia Experimental e Tecnológica, Avenida da República, Apartado 12, Oeiras, Portugal
| | - Inês Figueira
- iNOVA4Health, NOVA Medical School, Faculdade de Ciências Médicas, Universidade NOVA de Lisboa, Campo dos Mártires da Pátria, Lisboa, Portugal.
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Huang J, Zhang J, Sun C, Yang R, Sheng M, Hu J, Kai G, Han B. Adjuvant role of Salvia miltiorrhiza bunge in cancer chemotherapy: A review of its bioactive components, health-promotion effect and mechanisms. JOURNAL OF ETHNOPHARMACOLOGY 2024; 318:117022. [PMID: 37572929 DOI: 10.1016/j.jep.2023.117022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/15/2023] [Revised: 07/28/2023] [Accepted: 08/08/2023] [Indexed: 08/14/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Chemotherapy is a common cancer treatment strategy. However, its effectiveness is constrained by toxicity and adverse effects. The Lamiaceae herb Salvia miltiorrhiza Bunge has a long history of therapeutic use in the treatment of blood stasis illnesses, which are believed by traditional Chinese medicine to be connected to cancer. AIM OF THE STUDY This review summarized the common toxicity of chemotherapy and the potential chemo-adjuvant effect and mechanisms of active ingredients from S. miltiorrhiza, hoping to provide valuable information for the development and application of S. miltiorrhiza resources. MATERIALS AND METHODS The literatures were retrieved from PubMed, Web of Science, Baidu Scholar and Google Scholar databases from 2002 to 2022. The inclusion criteria were studies reporting that S. miltiorrhiza or its constituents enhanced the efficiency of chemotherapy drugs or reduced the side effects. RESULTS Salvianolic acid A, salvianolic acid B, salvianolic acid C, rosmarinic acid, tanshinone I, tanshinone IIA, cryptotanshinone, dihydrotanshinone I and miltirone are the primary adjuvant chemotherapy components of S. miltiorrhiza. The mechanisms mainly involve inhibiting proliferation, metastasis, and angiogenesis, inducing apoptosis, regulating autophagy and tumor microenvironment. In addition, they also improve chemotherapy drug-induced side effects. CONCLUSIONS The bioactive compounds of S. miltiorrhiza are shown to inhibit proliferation, metastasis, and angiogenesis, induce apoptosis and autophagy, regulate immunity and tumor microenvironment when combined with chemotherapy drugs. However, further clinical studies are required to validate the current studies.
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Affiliation(s)
- Jiayan Huang
- Laboratory for Core Technology of TCM Quality Improvement and Transformation, School of Pharmaceutical Science, The Third Affiliated Hospital, Academy of Chinese Medical Science, Zhejiang Chinese Medical University, Hangzhou, 310053, China.
| | - Jiaojiao Zhang
- College of Food and Health, Zhejiang A&F University, Hangzhou, 311300, China.
| | - Chengtao Sun
- College of Basic Medical Sciences, Zhejiang Chinese Medical University, Hangzhou, 310053, China.
| | - Ruiwen Yang
- Laboratory for Core Technology of TCM Quality Improvement and Transformation, School of Pharmaceutical Science, The Third Affiliated Hospital, Academy of Chinese Medical Science, Zhejiang Chinese Medical University, Hangzhou, 310053, China.
| | - Miaomiao Sheng
- Laboratory for Core Technology of TCM Quality Improvement and Transformation, School of Pharmaceutical Science, The Third Affiliated Hospital, Academy of Chinese Medical Science, Zhejiang Chinese Medical University, Hangzhou, 310053, China.
| | - Jiangning Hu
- Zhejiang Conba Pharmaceutical Limited Company, Zhejiang Provincial Key Laboratory of Traditional Chinese Medicine Pharmaceutical Technology, Hangzhou, 310052, China.
| | - Guoyin Kai
- Laboratory for Core Technology of TCM Quality Improvement and Transformation, School of Pharmaceutical Science, The Third Affiliated Hospital, Academy of Chinese Medical Science, Zhejiang Chinese Medical University, Hangzhou, 310053, China.
| | - Bing Han
- Laboratory for Core Technology of TCM Quality Improvement and Transformation, School of Pharmaceutical Science, The Third Affiliated Hospital, Academy of Chinese Medical Science, Zhejiang Chinese Medical University, Hangzhou, 310053, China; Zhejiang Conba Pharmaceutical Limited Company, Zhejiang Provincial Key Laboratory of Traditional Chinese Medicine Pharmaceutical Technology, Hangzhou, 310052, China; College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, 310058, China.
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Li Z, Dang Q, Wang P, Zhao F, Huang J, Wang C, Liu X, Min W. Food-Derived Peptides: Beneficial CNS Effects and Cross-BBB Transmission Strategies. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2023; 71:20453-20478. [PMID: 38085598 DOI: 10.1021/acs.jafc.3c06518] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/28/2023]
Abstract
Food-derived peptides, as dietary supplements, have significant effects on promoting brain health and relieving central nervous system (CNS) diseases. However, the blood-brain barrier (BBB) greatly limits their in-brain bioavailability. Thus, overcoming the BBB to target the CNS is a major challenge for bioactive peptides in the prevention and treatment of CNS diseases. This review discusses improvement in the neuroprotective function of food-derived active peptides in CNS diseases, as well as the source of BBB penetrating peptides (BBB-shuttles) and the mechanism of transmembrane transport. Notably, this review also discusses various peptide modification methods to overcome the low permeability and stability of the BBB. Lipification, glycosylation, introduction of disulfide bonds, and cyclization are effective strategies for improving the penetration efficiency of peptides through the BBB. This review provides a new prospective for improving their neuroprotective function and developing treatments to delay or even prevent CNS diseases.
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Affiliation(s)
- Zehui Li
- College of Food and Health, Zhejiang A&F University, Hangzhou, Zhejiang 311300, P.R. China
- College of Food Science and Engineering, Jilin Agricultural University, ChangChun, Jilin 130118, P.R. China
| | - Qiao Dang
- College of Food Science and Engineering, Jilin Agricultural University, ChangChun, Jilin 130118, P.R. China
| | - Peng Wang
- College of Food and Health, Zhejiang A&F University, Hangzhou, Zhejiang 311300, P.R. China
| | - Fanrui Zhao
- College of Food and Health, Zhejiang A&F University, Hangzhou, Zhejiang 311300, P.R. China
- State Key Laboratory of Subtropical Silviculture, Zhejiang A&F University, Hangzhou 311300, P.R. China
| | - Jianqin Huang
- State Key Laboratory of Subtropical Silviculture, Zhejiang A&F University, Hangzhou 311300, P.R. China
| | - Chongchong Wang
- College of Food and Health, Zhejiang A&F University, Hangzhou, Zhejiang 311300, P.R. China
- State Key Laboratory of Subtropical Silviculture, Zhejiang A&F University, Hangzhou 311300, P.R. China
| | - Xingquan Liu
- College of Food and Health, Zhejiang A&F University, Hangzhou, Zhejiang 311300, P.R. China
| | - Weihong Min
- College of Food and Health, Zhejiang A&F University, Hangzhou, Zhejiang 311300, P.R. China
- State Key Laboratory of Subtropical Silviculture, Zhejiang A&F University, Hangzhou 311300, P.R. China
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Wang Q, Li J, Chu X, Jiang X, Zhang C, Liu F, Zhang X, Li Y, Shen Q, Pang B. Potential chemoprotective effects of active ingredients in Salvia miltiorrhiza on doxorubicin-induced cardiotoxicity: a systematic review of in vitro and in vivo studies. Front Cardiovasc Med 2023; 10:1267525. [PMID: 37915739 PMCID: PMC10616797 DOI: 10.3389/fcvm.2023.1267525] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2023] [Accepted: 10/03/2023] [Indexed: 11/03/2023] Open
Abstract
Background Recently, attention has been paid to the protective properties of active ingredients in Salvia miltiorrhiza (AISM) against organ toxicity induced by chemotherapy drugs. Purpose of the present systematic review is to evaluate the chemoprotective effects and mechanisms of AISM on in vitro and in vivo models of doxorubicin-induced cardiotoxicity (DIC). Methods According to the PRISMA guideline, the current systematic review was conducted in the Web of Science, PubMed, Embase, and the Cochrane Library to collect all relevant in vitro and in vivo studies on "the role of AISM on DIC" published up until May 2023. The SYRCLE's tool was used to identify potential risk of bias. Results Twenty-two eligible articles were included in this systematic review. Eleven types of active ingredients in Salvia miltiorrhiza were used for DIC, which have the following effects: improvement of physical signs and biochemical indicators, reduction of cardiac function damage caused by DIC, protection of heart tissue structure, enhancement of myocardial cell viability, prevention of cardiomyocyte apoptosis, increase of the chemosensitivity of cancer cells to Doxorubicin, etc. The cardioprotective mechanism of AISM involves inhibiting apoptosis, attenuating oxidative stress, suppressing endoplasmic reticulum (ER) stress, decreasing inflammation, improving mitochondrial structure and function, affecting cellular autophagy and calcium homeostasis. The quality scores of included studies ranged from 4 to 7 points (a total of 10 points), according to SYRCLE's risk of bias tool. Conclusion This systematic review demonstrated that AISM have chemoprotective effects on DIC in vivo and in vitro models through several main mechanisms such as anti-apoptosis, antioxidant effects, anti-ER stress, and anti-inflammatory.
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Affiliation(s)
- Qingqing Wang
- Guang’anmen Hospital, China Academy of Chinese Medical Sciences, Beijing, China
- Beijing Association of the Integrating of Traditional and Westem Medicine, Beijing, China
| | - Jiaxian Li
- Eye Hospital, China Academy of Chinese Medical Sciences, Beijing, China
| | - Xuelei Chu
- Wangjing Hospital, China Academy of Chinese Medical Sciences, Beijing, China
| | - Xiaochen Jiang
- Guang’anmen Hospital, China Academy of Chinese Medical Sciences, Beijing, China
| | - Chuanlong Zhang
- Guang’anmen Hospital, China Academy of Chinese Medical Sciences, Beijing, China
| | - Fudong Liu
- Guang’anmen Hospital, China Academy of Chinese Medical Sciences, Beijing, China
| | - Xiyuan Zhang
- Graduate School of Beijing University of Chinese Medicine, Beijing, China
| | - Yi Li
- Guang’anmen Hospital, China Academy of Chinese Medical Sciences, Beijing, China
| | - Qian Shen
- Guang’anmen Hospital, China Academy of Chinese Medical Sciences, Beijing, China
| | - Bo Pang
- Guang’anmen Hospital, China Academy of Chinese Medical Sciences, Beijing, China
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Bahadur S, Prakash A. A Comprehensive Review on Nanomedicine: Promising Approach for Treatment of Brain Tumor through Intranasal Administration. Curr Drug Targets 2023; 24:71-88. [PMID: 36278468 DOI: 10.2174/1389450124666221019141044] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2022] [Revised: 07/07/2022] [Accepted: 08/23/2022] [Indexed: 11/22/2022]
Abstract
Brain tumors have become one of the deadliest cancers; however, their treatment is still limited by conventional approaches. Brain tumors, among other CNS diseases, are the most lethal form of cancer due to ineffective diagnosis and profiling. The major limiting factor in treating brain tumors is the blood-brain barrier (BBB), and the required therapeutic concentration is not achieved. Hence, most drugs are prescribed at higher doses, which have several unwanted side effects. Nanotechnology has emerged as an interesting and promising new approach for treating neurological disorders, including brain tumors, with the potential to overcome concerns related to traditional therapeutic approaches. Moreover, biomimetic nanomaterials have been introduced to successfully cross the blood-brain barrier and be consumed by deep skin cancer for imaging brain tumors using multimodal functional nanostructures for more specific and reliable medical assessment. These nanomedicines can address several challenges by enhancing the bioavailability of therapeutics through controlled pharmacokinetics and pharmacodynamics. Further nasal drug delivery has been considered as an alternative approach for the brain's targeting for the treatment of several CNS diseases. A drug can be directly delivered to the brain by bypassing the BBB through intranasal administration. This review discusses intranasal nanomedicine-based therapies for brain tumor targeting, which can be explored from different perspectives.
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Affiliation(s)
- Shiv Bahadur
- Institute of Pharmaceutical Research, GLA University, Mathura 281406, India
| | - Anubhav Prakash
- Institute of Pharmaceutical Research, GLA University, Mathura 281406, India
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Ma W, Rousseau Z, Slavkovic S, Shen C, Yousef GM, Ni H. Doxorubicin-Induced Platelet Activation and Clearance Relieved by Salvianolic Acid Compound: Novel Mechanism and Potential Therapy for Chemotherapy-Associated Thrombosis and Thrombocytopenia. Pharmaceuticals (Basel) 2022; 15:1444. [PMID: 36558895 PMCID: PMC9788583 DOI: 10.3390/ph15121444] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2022] [Revised: 11/04/2022] [Accepted: 11/15/2022] [Indexed: 11/24/2022] Open
Abstract
Doxorubicin (Dox) is a widely utilized chemotherapeutic; however, it carries side effects, including drug-induced immune thrombocytopenia (DITP) and increased risk of venous thromboembolism (VTE). Currently, the mechanisms for Dox-associated DITP and VTE are poorly understood, and an effective inhibitor to relieve these complications remains to be developed. In this study, we found that Dox significantly induced platelet activation and enhanced platelet phagocytosis by macrophages and accelerated platelet clearance. Importantly, we determined that salvianolic acid C (SAC), a water-soluble compound derived from Danshen root traditionally used to treat cardiovascular diseases, inhibited Dox-induced platelet activation more effectively than current standard-of-care anti-platelet drugs aspirin and ticagrelor. Mechanism studies with tyrosine kinase inhibitors indicate contributions of phospholipase C, spleen tyrosine kinase, and protein kinase C signaling pathways in Dox-induced platelet activation. We further demonstrated that Dox enhanced platelet-cancer cell interaction, which was ameliorated by SAC. Taken together, these findings suggest SAC may be a promising therapy to reduce the risk of Dox-induced DITP, VTE, and the repercussions of amplified platelet-cancer interaction in the tumor microenvironment.
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Affiliation(s)
- Wenjing Ma
- Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, ON M5S 1A1, Canada
- Department of Laboratory Medicine, LKSKI-Keenan Research Centre for Biomedical Science, St. Michael’s Hospital, Toronto Platelet Immunobiology Group, Toronto, ON M5B 1W8, Canada
| | - Zackary Rousseau
- Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, ON M5S 1A1, Canada
- Department of Laboratory Medicine, LKSKI-Keenan Research Centre for Biomedical Science, St. Michael’s Hospital, Toronto Platelet Immunobiology Group, Toronto, ON M5B 1W8, Canada
| | - Sladjana Slavkovic
- Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, ON M5S 1A1, Canada
- Department of Laboratory Medicine, LKSKI-Keenan Research Centre for Biomedical Science, St. Michael’s Hospital, Toronto Platelet Immunobiology Group, Toronto, ON M5B 1W8, Canada
| | - Chuanbin Shen
- Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, ON M5S 1A1, Canada
- Department of Laboratory Medicine, LKSKI-Keenan Research Centre for Biomedical Science, St. Michael’s Hospital, Toronto Platelet Immunobiology Group, Toronto, ON M5B 1W8, Canada
- School of Medicine and Pharmacy, Ocean University of China, Qingdao 266003, China
| | - George M. Yousef
- Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, ON M5S 1A1, Canada
- Department of Laboratory Medicine, LKSKI-Keenan Research Centre for Biomedical Science, St. Michael’s Hospital, Toronto Platelet Immunobiology Group, Toronto, ON M5B 1W8, Canada
- Department of Medicine, University of Toronto, Toronto, ON M5S 1A1, Canada
| | - Heyu Ni
- Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, ON M5S 1A1, Canada
- Department of Laboratory Medicine, LKSKI-Keenan Research Centre for Biomedical Science, St. Michael’s Hospital, Toronto Platelet Immunobiology Group, Toronto, ON M5B 1W8, Canada
- Department of Medicine, University of Toronto, Toronto, ON M5S 1A1, Canada
- Canadian Blood Services Centre for Innovation, Toronto, ON M5G 2M1, Canada
- Department of Physiology, University of Toronto, Toronto, ON M5S 1A1, Canada
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Xue Y, Wang X, Wan B, Wang D, Li M, Cheng K, Luo Q, Wang D, Lu Y, Zhu L. Caveolin-1 accelerates hypoxia-induced endothelial dysfunction in high-altitude cerebral edema. Cell Commun Signal 2022; 20:160. [PMID: 36253854 PMCID: PMC9575296 DOI: 10.1186/s12964-022-00976-3] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2022] [Accepted: 09/18/2022] [Indexed: 11/29/2022] Open
Abstract
Background High-altitude cerebral edema (HACE) is a serious and potentially fatal brain injury that is caused by acute hypobaric hypoxia (HH) exposure. Vasogenic edema is the main pathological factor of this condition. Hypoxia-induced disruptions of tight junctions in the endothelium trigger blood‒brain barrier (BBB) damage and induce vasogenic edema. Nuclear respiratory factor 1 (NRF1) acts as a major regulator of hypoxia-induced endothelial cell injury, and caveolin-1 (CAV-1) is upregulated as its downstream gene in hypoxic endothelial cells. This study aimed to investigate whether CAV-1 is involved in HACE progression and the underlying mechanism. Methods C57BL/6 mice were exposed to HH (7600 m above sea level) for 24 h, and BBB injury was assessed by brain water content, Evans blue staining and FITC-dextran leakage. Immunofluorescence, transmission electron microscope, transendothelial electrical resistance (TEER), transcytosis assays, and western blotting were performed to confirm the role and underlying mechanism of CAV-1 in the disruption of tight junctions and BBB permeability. Mice or bEnd.3 cells were pretreated with MβCD, a specific blocker of CAV-1, and the effect of CAV-1 on claudin-5 internalization under hypoxic conditions was detected by immunofluorescence, western blotting, and TEER. The expression of NRF1 was knocked down, and the regulation of CAV-1 by NRF1 under hypoxic conditions was examined by qPCR, western blotting, and immunofluorescence. Results The BBB was severely damaged and was accompanied by a significant loss of vascular tight junction proteins in HACE mice. CAV-1 was significantly upregulated in endothelial cells, and claudin-5 explicitly colocalized with CAV-1. During the in vitro experiments, hypoxia increased cell permeability, CAV-1 expression, and claudin-5 internalization and downregulated tight junction proteins. Simultaneously, hypoxia induced the upregulation of CAV-1 by activating NRF1. Blocking CAV-1-mediated intracellular transport improved the integrity of TJs in hypoxic endothelial cells and effectively inhibited the increase in BBB permeability and brain water content in HH animals. Conclusions Hypoxia upregulated CAV-1 transcription via the activation of NRF1 in endothelial cells, thus inducing the internalization and autophagic degradation of claudin-5. These effects lead to the destruction of the BBB and trigger HACE. Therefore, CAV-1 may be a potential therapeutic target for HACE. Video abstract
Supplementary Information The online version contains supplementary material available at 10.1186/s12964-022-00976-3.
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Affiliation(s)
- Yan Xue
- Institute of Special Environmental Medicine, Co-Innovation Center of Neuroregeneration, Nantong University, Nantong, 226019, China.,Medical School of Nantong University, Nantong, 226007, China.,Nantong Health College of Jiangsu Province, Nantong, 226010, China
| | - Xueting Wang
- Institute of Special Environmental Medicine, Co-Innovation Center of Neuroregeneration, Nantong University, Nantong, 226019, China
| | - Baolan Wan
- Institute of Special Environmental Medicine, Co-Innovation Center of Neuroregeneration, Nantong University, Nantong, 226019, China
| | - Dongzhi Wang
- Department of Hepatobiliary and Pancreatic Surgery, Affiliated Hospital of Nantong University, Nantong, 226006, China
| | - Meiqi Li
- Institute of Special Environmental Medicine, Co-Innovation Center of Neuroregeneration, Nantong University, Nantong, 226019, China
| | - Kang Cheng
- Institute of Special Environmental Medicine, Co-Innovation Center of Neuroregeneration, Nantong University, Nantong, 226019, China
| | - Qianqian Luo
- Institute of Special Environmental Medicine, Co-Innovation Center of Neuroregeneration, Nantong University, Nantong, 226019, China
| | - Dan Wang
- Institute of Special Environmental Medicine, Co-Innovation Center of Neuroregeneration, Nantong University, Nantong, 226019, China
| | - Yapeng Lu
- Institute of Special Environmental Medicine, Co-Innovation Center of Neuroregeneration, Nantong University, Nantong, 226019, China
| | - Li Zhu
- Institute of Special Environmental Medicine, Co-Innovation Center of Neuroregeneration, Nantong University, Nantong, 226019, China.
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10
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Levina A, Chetcuti ARM, Lay PA. Controversial Role of Transferrin in the Transport of Ruthenium Anticancer Drugs. Biomolecules 2022; 12:biom12091319. [PMID: 36139158 PMCID: PMC9496346 DOI: 10.3390/biom12091319] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2022] [Revised: 09/12/2022] [Accepted: 09/13/2022] [Indexed: 11/16/2022] Open
Abstract
Ruthenium complexes are at the forefront of developments in metal-based anticancer drugs, but many questions remain open regarding their reactivity in biological media, including the role of transferrin (Tf) in their transport and cellular uptake. A well-known anticancer drug, KP1019 ((IndH)[RuIIICl4(Ind)2], where Ind = indazole) and a reference complex, [RuIII(nta)2]3- (nta = nitrilotriacetato(3-)) interacted differently with human apoTf, monoFeTf, or Fe2Tf. These reactions were studied by biolayer interferometry (BLI) measurements of Ru-Fe-Tf binding to recombinant human transferrin receptor 1 (TfR1) in conjunction with UV-vis spectroscopy and particle size analysis. Cellular Ru uptake in human hepatoma (HepG2) cells was measured under the conditions of the BLI assays. The mode of Tf binding and cellular Ru uptake were critically dependent on the nature of Ru complex, availability of Fe(III) binding sites of Tf, and the presence of proteins that competed for metal binding, particularly serum albumin. Cellular uptake of KP1019 was not Tf-mediated and occurred mostly by passive diffusion, which may also be suitable for treatments of inoperable cancers by intratumoral injections. High cellular Ru uptake from a combination of [RuIII(nta)2]3- and Fe2Tf in the absence of significant Ru-Tf binding was likely to be due to trapping of Ru(III) species into the endosome during TfR1-mediated endocytosis of Fe2Tf.
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Affiliation(s)
- Aviva Levina
- School of Chemistry, The University of Sydney, Sydney, NSW 2006, Australia
- Correspondence: (A.L.); (P.A.L.)
| | | | - Peter A. Lay
- School of Chemistry, The University of Sydney, Sydney, NSW 2006, Australia
- School of Sydney Analytical, The University of Sydney, Sydney, NSW 2006, Australia
- Correspondence: (A.L.); (P.A.L.)
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11
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Cong VT, Houng JL, Kavallaris M, Chen X, Tilley RD, Gooding JJ. How can we use the endocytosis pathways to design nanoparticle drug-delivery vehicles to target cancer cells over healthy cells? Chem Soc Rev 2022; 51:7531-7559. [PMID: 35938511 DOI: 10.1039/d1cs00707f] [Citation(s) in RCA: 24] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Targeted drug delivery in cancer typically focuses on maximising the endocytosis of drugs into the diseased cells. However, there has been less focus on exploiting the differences in the endocytosis pathways of cancer cells versus non-cancer cells. An understanding of the endocytosis pathways in both cancer and non-cancer cells allows for the design of nanoparticles to deliver drugs to cancer cells whilst restricting healthy cells from taking up anticancer drugs, thus efficiently killing the cancer cells. Herein we compare the differences in the endocytosis pathways of cancer and healthy cells. Second, we highlight the importance of the physicochemical properties of nanoparticles (size, shape, stiffness, and surface chemistry) on cellular uptake and how they can be adjusted to selectively target the dominated endocytosis pathway of cancer cells over healthy cells and to deliver anticancer drug to the target cells. The review generates new thought in the design of cancer-selective nanoparticles based on the endocytosis pathways.
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Affiliation(s)
- Vu Thanh Cong
- School of Chemistry, University of New South Wales, Sydney, NSW 2052, Australia. .,Australian Centre for NanoMedicine, University of New South Wales, Sydney, NSW 2052, Australia
| | - Jacinta L Houng
- School of Chemistry, University of New South Wales, Sydney, NSW 2052, Australia. .,Australian Centre for NanoMedicine, University of New South Wales, Sydney, NSW 2052, Australia
| | - Maria Kavallaris
- Australian Centre for NanoMedicine, University of New South Wales, Sydney, NSW 2052, Australia.,Children's Cancer Institute, Lowy Cancer Research Centre, University of New South Wales, Sydney, NSW 2052, Australia.,School of Clinical Medicine, UNSW Medicine & Health, University of New South Wales, Sydney, NSW 2052, Australia
| | - Xin Chen
- School of Chemical Engineering and Technology, Shaanxi Key Laboratory of Energy Chemical Process Intensification, Institute of Polymer Science in Chemical Engineering, Xi'an Jiao Tong University, Xi'an, China
| | - Richard D Tilley
- School of Chemistry, University of New South Wales, Sydney, NSW 2052, Australia.
| | - J Justin Gooding
- School of Chemistry, University of New South Wales, Sydney, NSW 2052, Australia. .,Australian Centre for NanoMedicine, University of New South Wales, Sydney, NSW 2052, Australia
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12
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Dong X, Chen Z, Pan J, Qu H. A novel aquaphotomics based approach for understanding salvianolic acid A conversion reaction with near infrared spectroscopy. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2022; 275:121182. [PMID: 35358779 DOI: 10.1016/j.saa.2022.121182] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/20/2021] [Revised: 03/07/2022] [Accepted: 03/20/2022] [Indexed: 06/14/2023]
Abstract
As a fast and non-destructive detection method, near infrared spectroscopy, mainly containing overtones and combinations, can be used to quantify the components with a concentration of ≥ 1% in the analytical sample. Aquaphotomics uses the characteristic that the water structure changes with the addition of solute, which is reflected in the region of the water spectrum. Thus, it provides the possibility to unlock the information hidden in the spectrum. In our work, near infrared spectroscopy combined with aquaphotomics was used to quantify aqueous solution containing salvianolic acid B. It has shown that the aquaphotomics approach accurately quantifies the aqueous solution's salvianolic acid from 0.51 mg/mL to 25.86 mg/mL. The obtained RMSEP, R2, RPD, and MRE of prediction were 0.52 mg/mL, 0.995, 14.88 and 4.74%, respectively. For the salvianolic acid A reaction solution, the predicted R2 was 0.93, RMSEC was 0.85 mg/mL, and RMSEP was 0.82. The results of this study supported the concept of aquaphotomics, and the aquaphotomics approach was successfully applied in the reaction system of salvianolic acid A at 120 °C. This method was conducive to understanding the reaction and improving the accuracy of the quantitative model. It is a rapid and accurate alternative for analysis and measurement of transformation reactions at high temperature and high pressure, even for the substance with a concentration of less than 5 mg/mL.
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Affiliation(s)
- Xiaoxiao Dong
- Pharmaceutical Informatics Institute, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou 310058, China
| | - Zeqi Chen
- Pharmaceutical Informatics Institute, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou 310058, China
| | - Jianyang Pan
- Pharmaceutical Informatics Institute, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou 310058, China
| | - Haibin Qu
- Pharmaceutical Informatics Institute, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou 310058, China; Innovation Center in Zhejiang University, State Key Laboratory of Component-Based Chinese Medicine, Hangzhou 310058, China.
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13
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Ye T, Chen R, Zhou Y, Zhang J, Zhang Z, Wei H, Xu Y, Wang Y, Zhang Y. Salvianolic acid A (Sal A) suppresses malignant progression of glioma and enhances temozolomide (TMZ) sensitivity via repressing transgelin-2 (TAGLN2) mediated phosphatidylinositol-3-kinase (PI3K) / protein kinase B (Akt) pathway. Bioengineered 2022; 13:11646-11655. [PMID: 35505656 PMCID: PMC9276020 DOI: 10.1080/21655979.2022.2070963] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
Abstract
Glioma originated from excessively proliferative and highly invaded glial cells is a common intracranial malignant tumor with poor prognosis. Resistance to temozolomide (TMZ) is a clinical challenge in glioma treatment due to the fact that chemoresistance remains a main obstacle in the improvement of drug efficacy. Salvianolic acid A (Sal A), originated from traditional Chinese herbal medicine Salvia miltiorrhiza, possesses anti-tumor effects and could facilitate the delivery of drugs to brain tumor tissues. In the present work, effects of Sal A on the viability, proliferation, migration, invasion and apoptosis of human glioma cell line U87 cells as well as influence of Sal A on TMZ resistance were measured, so as to identify the biological function of Sal A in the malignant behaviors and chemoresistance of glioma cells. Additionally, activation of TAGLN2/PI3K/Akt pathway in glioma cells was also detected to investigate whether Sal A could regulate TAGLN2/PI3K/Akt to manipulate the progression of glioma and TMZ resistance. Results discovered that Sal A treatment reduced the viability, repressed the proliferation, migration and invasion of glioma cells as well as promoted the apoptosis of glioma cells. Besides, Sal A treatment suppressed TAGLN2/PI3K/Akt pathway in glioma cells. Sal A treatment strengthened the suppressing effect of TMZ on glioma cell proliferation and reinforced the promoting effect of TMZ on glioma cell apoptosis, which were abolished by upregulation of TAGLN2. To conclude, Sal A treatment could suppress the malignant behaviors of glioma cells and improve TMZ sensitivity through inactivating TAGLN2/PI3K/Akt pathway.
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Affiliation(s)
- Tingting Ye
- Department of Neurosurgery, First Affiliated Hospital of Anhui Medical University, Hefei, 230031, China
| | - Rongrong Chen
- Department of Neurosurgery, First Affiliated Hospital of Anhui Medical University, Hefei, 230031, China
| | - Yu Zhou
- Department of Neurosurgery, First Affiliated Hospital of Anhui Medical University, Hefei, 230031, China
| | - Juan Zhang
- Department of Neurosurgery, First Affiliated Hospital of Anhui Medical University, Hefei, 230031, China
| | - Zhongqin Zhang
- Department of Neurosurgery, First Affiliated Hospital of Anhui Medical University, Hefei, 230031, China
| | - Hui Wei
- Department of Neurosurgery, First Affiliated Hospital of Anhui Medical University, Hefei, 230031, China
| | - Yan Xu
- Department of Neurosurgery, First Affiliated Hospital of Anhui Medical University, Hefei, 230031, China
| | - Yulan Wang
- Department of Neurosurgery, First Affiliated Hospital of Anhui Medical University, Hefei, 230031, China
| | - Yinlan Zhang
- Department of Neurosurgery, First Affiliated Hospital of Anhui Medical University, Hefei, 230031, China
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14
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Lu YW, Hao RJ, Wei YY, Yu GR. The protective effect of harpagoside on angiotensin II (Ang II)-induced blood-brain barrier leakage in vitro. Phytother Res 2021; 35:6241-6254. [PMID: 34486189 DOI: 10.1002/ptr.7269] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2021] [Revised: 07/20/2021] [Accepted: 08/24/2021] [Indexed: 12/19/2022]
Abstract
Hypertension and its associated dysfunction of the blood-brain barrier (BBB) contribute to cerebral small vessel disease (cSVD). Angiotensin II (Ang II), a vasoactive peptide of the renin-angiotensin system (RAS), is not only a pivotal molecular signal in hypertension but also causes BBB leakage, cSVD, and cognitive impair. Harpagoside, the major bioactive constituent of Scrophulariae Radix, has been commonly used for the treatment of multiple diseases including hypertension in China. The effect of harpagoside on Ang II-induced BBB damage is unclear. We employed an immortalized endothelial cell line (bEnd.3) to mimic a BBB monolayer model in vitro and investigated the effect of harpagoside on BBB and found that harpagoside alleviated Ang II-induced BBB destruction, inhibited Ang II-associated cytotoxicity in a concentration-dependent manner and attenuated Ang II-induced reactive oxygen species (ROS) impair by downregulation of Nox2, Nox4, and COX-2. Harpagoside prevented Ang II-induced apoptosis via keeping Bax/Bcl-2 balance, decreasing cytochrome c release, and inactivation of caspase-8, caspase-9, and caspase-3 (the mitochondria-dependent and death receptor-mediated apoptosis pathways). Moreover, harpagoside can alleviate Ang II-induced BBB damage through upregulation of tight junction proteins and decrease of caveolae-mediated endocytosis. Thus, harpagoside might be a potential drug to treat Ang II-induced cSVD.
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Affiliation(s)
- Yun Wei Lu
- Department of Neurology, Jiangsu Province Hospital of Chinese Medicine, The Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing, China
| | - Ren Juan Hao
- Department of Neurology, Jiangsu Province Hospital of Chinese Medicine, The Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing, China
| | - Yu Yan Wei
- Department of Neurology, Jiangsu Province Hospital of Chinese Medicine, The Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing, China
| | - Gu Ran Yu
- Department of Neurology, Jiangsu Province Hospital of Chinese Medicine, The Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing, China
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15
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Simultaneous Determination of Seven Bioactive Constituents from Salvia miltiorrhiza in Rat Plasma by HPLC-MS/MS: Application to a Comparative Pharmacokinetic Study. SEPARATIONS 2021. [DOI: 10.3390/separations8070093] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
The roots of Salvia miltiorrhiza (Danshen) is a precious herbal medicine used to treat cardiovascular diseases. This study establishes a high-performance liquid chromatography-tandem mass spectrometric (HPLC-MS/MS) method to quantify seven bioactive constituents from Danshen in rat plasma simultaneously. Chromatographic separation is performed on an Agilent Eclipse Plus C18 column (150 mm × 2.1 mm, 5 μm), utilizing a gradient of acetonitrile and 0.2% formic acid aqueous solution as the mobile phase, at a flow rate of 0.6 mL/min. We conduct a tandem mass spectrometric detection with electrospray ionization (ESI) interface via multiple reaction monitoring (MRM) in both positive and negative ionization mode. Our results show that a linear relationship is established for each analyte of interest over the concentration range of 0.5–300 ng/mL with r ≥ 0.9976. The validated method is successfully used to compare the pharmacokinetic properties of crude and wine-processed Danshen extract orally administered to rats. Cmax of tanshinone IIA, Cmax, and AUC0-t of dihydrotanshinone I decrease significantly (p < 0.05) in the wine-processed group. No significant changes for other compounds are observed. These results might provide meaningful information for the further application of wine-processed Danshen and understanding of wine-processing mechanisms.
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