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Huang B, Tang P, Liu Y, Liu F, Zheng Y, Yang X, Zhang X, Xie H, Lin L, Lin B, Lin B. Xuefu Zhuyu decoction alleviates deep vein thrombosis through inhibiting the activation of platelets and neutrophils via sirtuin 1/nuclear factor kappa-B pathway. JOURNAL OF ETHNOPHARMACOLOGY 2024; 333:118485. [PMID: 38908490 DOI: 10.1016/j.jep.2024.118485] [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: 03/18/2024] [Revised: 06/19/2024] [Accepted: 06/20/2024] [Indexed: 06/24/2024]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Xuefu Zhuyu Decoction (XZD), a renowned traditional Chinese medicine prescription, is widely employed for the management of conditions characterized by qi-stagnation and blood stasis. Although its anti-thrombotic effect on deep vein thrombosis (DVT) patients has been clinically observed, the underlying mechanism remains largely unexplored. AIM OF THE STUDY Our aim was to investigate the mechanisms by which XZD exerted its effect on DVT. MATERIALS AND METHODS The ultra performance liquid chromatography (UPLC) technique was employed to evaluate quality of XZD. To examine the effect of XZD on DVT, a DVT rat model with inferior vena cava (IVC) stenosis was established. The 4D-label-free proteomics approach was then utilized to uncover the possible mechanisms of XZD against DVT. Based on proteomics, citrullinated histone H3 (CitH3), along with serum levels of tumor necrosis factor-alpha (TNF-α) and interleukin-1 beta (IL-1β) were observed the inhibitory activity of XZD on neutrophil activation. Subsequently, the marker of platelet activation, specifically glycoprotein IIb (CD41) and glycoprotein IIIa (CD61), were assessed along with the secretion of von Willebrand factor (vWF) to investigate the inhibitory activity of XZD on platelet activation. Finally, we explored the impact of XZD on the sirtuin 1 (SIRT1)/nuclear factor kappa-B (NF-κB) pathway, which was associated with the activation of platelets and neutrophils. RESULTS Eight distinct components were identified for the quality control of XZD. XZD effectively reduced thrombus weight and length in DVT rats, without affecting the coagulation function or hematological parameters in the systemic circulation. Proteomics analysis revealed that XZD alleviated DVT by inhibiting the activation of platelets and neutrophils. The protein expression of CitH3, along with serum levels of TNF-α and IL-1β, were reduced in XZD-treated DVT rats. Similarly, protein expressions of CD41 and CD61, along with the release of vWF, were markedly down-regulated in XZD-treated DVT rats. Finally, treatment with XZD resulted in an up-regulation of SIRT1 protein expression and a down-regulation of both acetylated NF-κB/p65 and phosphorylated NF-κB/p65 protein expressions in endothelium. CONCLUSIONS XZD alleviates DVT by inhibiting the activation of platelets and neutrophils at the injured endothelium via the regulation of SIRT1/NF-κB pathway.
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Affiliation(s)
- Boning Huang
- The First Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, Guangdong, China; Guangdong Clinical Research Academy of Chinese Medicine, Guangdong, China
| | - Ping Tang
- The First Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, Guangdong, China; Guangdong Clinical Research Academy of Chinese Medicine, Guangdong, China
| | - Youchen Liu
- The First Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, Guangdong, China; Guangdong Clinical Research Academy of Chinese Medicine, Guangdong, China
| | - Fangle Liu
- The First Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, Guangdong, China; Guangdong Clinical Research Academy of Chinese Medicine, Guangdong, China
| | - Yuying Zheng
- The First Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, Guangdong, China; Guangdong Clinical Research Academy of Chinese Medicine, Guangdong, China
| | - Xinrong Yang
- The First Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, Guangdong, China; Guangdong Clinical Research Academy of Chinese Medicine, Guangdong, China
| | - Xiubing Zhang
- The First Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, Guangdong, China; Guangdong Clinical Research Academy of Chinese Medicine, Guangdong, China
| | - Huiyi Xie
- The First Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, Guangdong, China; Guangdong Clinical Research Academy of Chinese Medicine, Guangdong, China
| | - Liuqing Lin
- The First Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, Guangdong, China; Guangdong Clinical Research Academy of Chinese Medicine, Guangdong, China
| | - Bingqing Lin
- School of Mathematical Sciences, Shenzhen University, Shenzhen, Guangdong, China.
| | - Baoqin Lin
- The First Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, Guangdong, China; Guangdong Clinical Research Academy of Chinese Medicine, Guangdong, China.
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Amaya-Espinosa H, Alexander-Katz A, Aponte-Santamaría C. The interplay between adsorption and aggregation of von Willebrand factor chains in shear flows. Biophys J 2023; 122:3831-3842. [PMID: 37537863 PMCID: PMC10560680 DOI: 10.1016/j.bpj.2023.07.028] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2022] [Revised: 06/18/2023] [Accepted: 07/31/2023] [Indexed: 08/05/2023] Open
Abstract
Von Willebrand factor (VWF) is a giant extracellular glycoprotein that carries out a key adhesive function during primary hemostasis. Upon vascular injury and triggered by the shear of flowing blood, VWF establishes specific interactions with several molecular partners in order to anchor platelets to collagen on the exposed subendothelial surface. VWF also interacts with itself to form aggregates that, adsorbed on the surface, provide more anchor sites for the platelets. However, the interplay between elongation and subsequent exposure of cryptic binding sites, self-association, and adsorption on the surface remained unclear for VWF. In particular, the role of shear flow in these three processes is not well understood. In this study, we address these questions by using Brownian dynamics simulations at a coarse-grained level of resolution. We considered a system consisting of multiple VWF-like self-interacting chains that also interact with a surface under a shear flow. By a systematic analysis, we reveal that chain-chain and chain-surface interactions coexist nontrivially to modulate the spontaneous adsorption of VWF and the posterior immobilization of secondary tethered chains. Accordingly, these interactions tune VWF's extension and its propensity to form shear-assisted functional adsorbed aggregates. Our data highlight the collective behavior VWF self-interacting chains have when bound to the surface, distinct from that of isolated or flowing chains. Furthermore, we show that the extension and the exposure to solvent have a similar dependence on shear flow, at a VWF-monomer level of resolution. Overall, our results highlight the complex interplay that exists between adsorption, cohesion, and shear forces and their relevance for the adhesive hemostatic function of VWF.
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Affiliation(s)
- Helman Amaya-Espinosa
- Max Planck Tandem Group in Computational Biophysics, Universidad de los Andes, Bogotá, Colombia; Department of Biomedical Engineering, Universidad de los Andes, Bogotá, Colombia
| | - Alfredo Alexander-Katz
- Department of Materials Science and Engineering, Massachusetts Institute of Technology, Cambridge, Massachusetts
| | - Camilo Aponte-Santamaría
- Max Planck Tandem Group in Computational Biophysics, Universidad de los Andes, Bogotá, Colombia; Molecular Biomechanics Group, Heidelberg Institute for Theoretical Studies, Heidelberg, Germany.
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Pierre-Louis O, Resiere D, Alphonsine C, Dantin F, Banydeen R, Dubois MD, Mehdaoui H, Neviere R. Increased Binding of von Willebrand Factor to Sub-Endothelial Collagen May Facilitate Thrombotic Events Complicating Bothrops lanceolatus Envenomation in Humans. Toxins (Basel) 2023; 15:441. [PMID: 37505710 PMCID: PMC10467054 DOI: 10.3390/toxins15070441] [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: 04/19/2023] [Revised: 06/20/2023] [Accepted: 06/30/2023] [Indexed: 07/29/2023] Open
Abstract
Consumption coagulopathy and hemorrhagic syndrome exacerbated by blood anticoagulability remain the most important causes of lethality associated with Bothrops snake envenomation. Bothrops venom also engages platelet aggregation on the injured endothelium via von Willebrand factor (vWF) interactions. Besides platelet aggregation, some Bothrops venom toxins may induce qualitative thrombopathy, which has been in part related to the inhibition of vWF activation. We tested whether B. lanceolatus venom impaired vWF to collagen(s) binding (vWF:CB) activity. Experiments were performed with B. lanceolatus crude venom, in the presence or absence of Bothrofav, a monospecific B. lanceolatus antivenom. Venom of B. lanceolatus fully inhibited vWF to collagen type I and III binding, suggesting venom interactions with the vWF A3 domain. In contrast, B. lanceolatus venom increased vWF to collagen type VI binding, suggesting the enhancement of vWF binding to collagen at the vWF A1 domain. Hence, B. lanceolatus venom exhibited contrasting in vitro effects in terms of the adhesive properties of vWF to collagen. On the other hand, the antivenom Bothrofav reversed the inhibitory effects of B. lanceolatus venom on vWF collagen binding activity. In light of the respective distribution of collagen type III and collagen type VI in perivascular connective tissue and the sub-endothelium, a putative association between an increase in vWF:CB activity for collagen type VI and the onset of thrombotic events in human B. lanceolatus envenomation might be considered.
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Affiliation(s)
- Olivier Pierre-Louis
- Cardiovascular Research Team EA7525, University of the French West Indies (Université des Antilles), 97233 Fort de France, France; (O.P.-L.); (D.R.); (C.A.); (F.D.); (R.B.); (M.-D.D.); (H.M.)
| | - Dabor Resiere
- Cardiovascular Research Team EA7525, University of the French West Indies (Université des Antilles), 97233 Fort de France, France; (O.P.-L.); (D.R.); (C.A.); (F.D.); (R.B.); (M.-D.D.); (H.M.)
- Department of Critical Care Medicine and Toxicology, University Hospital of Martinique (CHU Martinique), 97200 Fort-de-France, France
| | - Celia Alphonsine
- Cardiovascular Research Team EA7525, University of the French West Indies (Université des Antilles), 97233 Fort de France, France; (O.P.-L.); (D.R.); (C.A.); (F.D.); (R.B.); (M.-D.D.); (H.M.)
| | - Fabienne Dantin
- Cardiovascular Research Team EA7525, University of the French West Indies (Université des Antilles), 97233 Fort de France, France; (O.P.-L.); (D.R.); (C.A.); (F.D.); (R.B.); (M.-D.D.); (H.M.)
| | - Rishika Banydeen
- Cardiovascular Research Team EA7525, University of the French West Indies (Université des Antilles), 97233 Fort de France, France; (O.P.-L.); (D.R.); (C.A.); (F.D.); (R.B.); (M.-D.D.); (H.M.)
| | - Marie-Daniela Dubois
- Cardiovascular Research Team EA7525, University of the French West Indies (Université des Antilles), 97233 Fort de France, France; (O.P.-L.); (D.R.); (C.A.); (F.D.); (R.B.); (M.-D.D.); (H.M.)
| | - Hossein Mehdaoui
- Cardiovascular Research Team EA7525, University of the French West Indies (Université des Antilles), 97233 Fort de France, France; (O.P.-L.); (D.R.); (C.A.); (F.D.); (R.B.); (M.-D.D.); (H.M.)
- Department of Critical Care Medicine and Toxicology, University Hospital of Martinique (CHU Martinique), 97200 Fort-de-France, France
| | - Remi Neviere
- Cardiovascular Research Team EA7525, University of the French West Indies (Université des Antilles), 97233 Fort de France, France; (O.P.-L.); (D.R.); (C.A.); (F.D.); (R.B.); (M.-D.D.); (H.M.)
- Department of Cardiology, University Hospital of Martinique (CHU Martinique), 97200 Fort-de-France, France
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Morillo N, Martínez-Haya B, Cuetos A. Tailoring the phase diagram of discotic mesogens. SOFT MATTER 2021; 17:8693-8704. [PMID: 34519327 DOI: 10.1039/d1sm00624j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
The computational modelling of discotic molecules is a central topic in colloid science that is key for the smart design of a broad range of modern functional materials. This work lays out a versatile interaction model capable of exposing the rich mesogenic behaviour of discotics. A single coarse-grained spheroplatelet core framework is employed to generate a variety of pair interaction anisotropy classes, favouring specific relative orientations of the particles (stacked, side-side, crossed, T-shaped). This paves the way for the systematic tailoring of the discotic liquid phase diagram. Monte Carlo simulations are performed for an ensemble of case studies to illustrate the correlation between the topology of the interaction and the formation of stable nematic, smectic and columnar phases, as well as of less common cubatic, uniaxial and biaxial columnar domains.
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Affiliation(s)
- Neftalí Morillo
- Department of Theoretical Physics, Universidad Complutense de Madrid, Avda. de la Complutense S/N, 28040 Madrid, Spain.
| | - Bruno Martínez-Haya
- Department of Physical, Chemical and Natural Systems, Pablo de Olavide University, 41013 Sevilla, Spain
| | - Alejandro Cuetos
- Department of Physical, Chemical and Natural Systems, Pablo de Olavide University, 41013 Sevilla, Spain
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