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Kulkarni PP, Ekhlak M, Dash D. Non-canonical non-genomic morphogen signaling in anucleate platelets: a critical determinant of prothrombotic function in circulation. Cell Commun Signal 2024; 22:13. [PMID: 38172855 PMCID: PMC10763172 DOI: 10.1186/s12964-023-01448-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2023] [Accepted: 12/19/2023] [Indexed: 01/05/2024] Open
Abstract
Circulating platelets derived from bone marrow megakaryocytes play a central role in thrombosis and hemostasis. Despite being anucleate, platelets express several proteins known to have nuclear niche. These include transcription factors and steroid receptors whose non-genomic functions are being elucidated in platelets. Quite remarkably, components of some of the best-studied morphogen pathways, namely Notch, Sonic Hedgehog (Shh), and Wnt have also been described in recent years in platelets, which regulate platelet function in the context of thrombosis as well as influence their survival. Shh and Notch pathways in stimulated platelets establish feed-forward loops of autocrine/juxtacrine/paracrine non-canonical signaling that helps perpetuate thrombosis. On the other hand, non-canonical Wnt signaling is part of a negative feedback loop for restricting platelet activation and possibly limiting thrombus growth. The present review will provide an overview of these signaling pathways in general. We will then briefly discuss the non-genomic roles of transcription factors and steroid receptors in platelet activation. This will be followed by an elaborate description of morphogen signaling in platelets with a focus on their bearing on platelet activation leading to hemostasis and thrombosis as well as their potential for therapeutic targeting in thrombotic disorders.
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Affiliation(s)
- Paresh P Kulkarni
- Center for Advanced Research on Platelet Signaling and Thrombosis Biology, Department of Biochemistry, Institute of Medical Sciences, Banaras Hindu University, Varanasi, 221005, Uttar Pradesh, India.
| | - Mohammad Ekhlak
- Center for Advanced Research on Platelet Signaling and Thrombosis Biology, Department of Biochemistry, Institute of Medical Sciences, Banaras Hindu University, Varanasi, 221005, Uttar Pradesh, India
| | - Debabrata Dash
- Center for Advanced Research on Platelet Signaling and Thrombosis Biology, Department of Biochemistry, Institute of Medical Sciences, Banaras Hindu University, Varanasi, 221005, Uttar Pradesh, India.
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Kapteijn MY, Lanting VR, Kaptein FHJ, Guman NAM, Laghmani EH, Kuipers TB, Mei H, Goeman JJ, Mulder FI, van Duinen SG, Taphoorn MJB, Dirven L, Broekman MLD, van Es N, Klok FA, Koekkoek JAF, Versteeg HH, Buijs JT. RNA-sequencing to discover genes and signaling pathways associated with venous thromboembolism in glioblastoma patients: A case-control study. Thromb Res 2023; 232:27-34. [PMID: 37918288 DOI: 10.1016/j.thromres.2023.10.018] [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: 07/27/2023] [Revised: 10/08/2023] [Accepted: 10/26/2023] [Indexed: 11/04/2023]
Abstract
BACKGROUND Glioblastoma patients are at high risk of developing venous thromboembolism (VTE). Tumor-intrinsic features are considered to play a role, but the underlying pathophysiological mechanisms remain incompletely understood. OBJECTIVES To identify tumor-expressed genes and signaling pathways that associate with glioblastoma-related VTE by using next generation RNA-sequencing (RNA-Seq). METHODS The tumor gene expression profile of 23 glioblastoma patients with VTE and 23 glioblastoma patients without VTE was compared using an unpaired analysis. Ingenuity Pathway Analysis (IPA) core analysis was performed on the top 50 differentially expressed genes to explore associated functions and pathways. Based on full RNA-Seq data, molecular glioblastoma subtypes were determined by performing cluster analysis. RESULTS Of the 19,327 genes, 1246 (6.4 %) were differentially expressed between glioblastoma patients with and without VTE (unadjusted P < 0.05). The most highly overexpressed gene was GLI1, a classical target gene in the Sonic Hedgehog (Shh) signaling pathway (log2 fold change: 3.7; unadjusted P < 0.0001, adjusted P = 0.219). In line, Shh signaling was among the top canonical pathways and processes associated with VTE. The proportion of patients with the proneural/neural glioblastoma subtype was higher among those with VTE than controls. CONCLUSION Shh signaling may be involved in the development of glioblastoma-related VTE.
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Affiliation(s)
- Maaike Y Kapteijn
- Einthoven Laboratory for Vascular and Regenerative Medicine, Div. of Thrombosis & Hemostasis, Dept. of Medicine, Leiden University Medical Center, Leiden, the Netherlands
| | - Vincent R Lanting
- Amsterdam University Medical Center location University of Amsterdam, Department of Vascular Medicine, Amsterdam, the Netherlands; Amsterdam Cardiovascular Sciences, Pulmonary Hypertension & Thrombosis, Amsterdam, the Netherlands; Tergooi Hospital, Department of Internal Medicine, Hilversum, the Netherlands
| | - Fleur H J Kaptein
- Einthoven Laboratory for Vascular and Regenerative Medicine, Div. of Thrombosis & Hemostasis, Dept. of Medicine, Leiden University Medical Center, Leiden, the Netherlands
| | - Noori A M Guman
- Amsterdam University Medical Center location University of Amsterdam, Department of Vascular Medicine, Amsterdam, the Netherlands; Amsterdam Cardiovascular Sciences, Pulmonary Hypertension & Thrombosis, Amsterdam, the Netherlands; Tergooi Hospital, Department of Internal Medicine, Hilversum, the Netherlands
| | - El Houari Laghmani
- Einthoven Laboratory for Vascular and Regenerative Medicine, Div. of Thrombosis & Hemostasis, Dept. of Medicine, Leiden University Medical Center, Leiden, the Netherlands
| | - Thomas B Kuipers
- Department of Biomedical Data Sciences, Leiden University Medical Center, Leiden, the Netherlands
| | - Hailiang Mei
- Department of Biomedical Data Sciences, Leiden University Medical Center, Leiden, the Netherlands
| | - Jelle J Goeman
- Department of Biomedical Data Sciences, Leiden University Medical Center, Leiden, the Netherlands
| | - Frits I Mulder
- Amsterdam University Medical Center location University of Amsterdam, Department of Vascular Medicine, Amsterdam, the Netherlands; Amsterdam Cardiovascular Sciences, Pulmonary Hypertension & Thrombosis, Amsterdam, the Netherlands; Tergooi Hospital, Department of Internal Medicine, Hilversum, the Netherlands
| | - Sjoerd G van Duinen
- Department of Pathology, Leiden University Medical Center, Leiden, the Netherlands
| | - Martin J B Taphoorn
- Department of Neurology, Leiden University Medical Center, Leiden, the Netherlands; Department of Neurology, Haaglanden Medical Center, The Hague, the Netherlands
| | - Linda Dirven
- Department of Neurology, Leiden University Medical Center, Leiden, the Netherlands; Department of Neurology, Haaglanden Medical Center, The Hague, the Netherlands
| | - Marike L D Broekman
- Department of Neurosurgery, Leiden University Medical Center, Leiden, the Netherlands; Department of Neurosurgery, Haaglanden Medical Center, Den Haag, the Netherlands
| | - Nick van Es
- Amsterdam University Medical Center location University of Amsterdam, Department of Vascular Medicine, Amsterdam, the Netherlands; Amsterdam Cardiovascular Sciences, Pulmonary Hypertension & Thrombosis, Amsterdam, the Netherlands
| | - Frederikus A Klok
- Einthoven Laboratory for Vascular and Regenerative Medicine, Div. of Thrombosis & Hemostasis, Dept. of Medicine, Leiden University Medical Center, Leiden, the Netherlands
| | - Johan A F Koekkoek
- Department of Neurology, Leiden University Medical Center, Leiden, the Netherlands; Department of Neurology, Haaglanden Medical Center, The Hague, the Netherlands
| | - Henri H Versteeg
- Einthoven Laboratory for Vascular and Regenerative Medicine, Div. of Thrombosis & Hemostasis, Dept. of Medicine, Leiden University Medical Center, Leiden, the Netherlands
| | - Jeroen T Buijs
- Einthoven Laboratory for Vascular and Regenerative Medicine, Div. of Thrombosis & Hemostasis, Dept. of Medicine, Leiden University Medical Center, Leiden, the Netherlands.
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Chaurasia SN, Singh V, Ekhlak M, Dash MK, Joshi N, Dash D. Ayurvedic preparations of Raudra Rasa inhibit agonist-mediated platelet activation and restrict thrombogenicity without affecting cell viability. FEBS Open Bio 2023; 13:2342-2355. [PMID: 37787005 PMCID: PMC10699108 DOI: 10.1002/2211-5463.13713] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2023] [Revised: 09/01/2023] [Accepted: 09/29/2023] [Indexed: 10/04/2023] Open
Abstract
Ayurveda is considered to be one of the most ancient forms of medicine still practiced. The Ayurvedic preparation Raudra Rasa and its derivatives have been widely employed against cancer since the 12th century, but the effect of these traditional formulations on platelet function and signaling has not previously been examined. Here we demonstrate that Raudra Rasa and its derivatives significantly reduce thrombin-induced integrin activation and granule secretion in platelets, as observed by reduced PAC-1 binding and P-selectin externalization, respectively. These formulations also inhibited thrombin-stimulated phosphatidylserine exposure, mitochondrial reactive oxygen species generation, and mitochondrial transmembrane potential in platelets. Consistent with the above, Raudra Rasa significantly reduced thrombin-induced tyrosine phosphorylation of the platelet proteins, as well as phosphorylation of the enzymes AKT and GSK-3β. In summary, Raudra Rasa inhibits agonist-mediated platelet activation without affecting cell viability, suggesting it may have therapeutic potential as an anti-platelet/anti-thrombotic agent.
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Affiliation(s)
- Susheel Nidhi Chaurasia
- Center for Advanced Research on Platelet Signaling and Thrombosis Biology, Department of Biochemistry, Institute of Medical SciencesBanaras Hindu UniversityVaranasiIndia
| | - Vipin Singh
- Center for Advanced Research on Platelet Signaling and Thrombosis Biology, Department of Biochemistry, Institute of Medical SciencesBanaras Hindu UniversityVaranasiIndia
| | - Mohammad Ekhlak
- Center for Advanced Research on Platelet Signaling and Thrombosis Biology, Department of Biochemistry, Institute of Medical SciencesBanaras Hindu UniversityVaranasiIndia
| | - Manoj Kumar Dash
- Department of Rasa Shastra & B KalpanaGovernment Ayurved CollegeRaipurIndia
| | - Namrata Joshi
- Department of Rasa Shastra, Faculty of Ayurveda, Institute of Medical SciencesBanaras Hindu UniversityVaranasiIndia
| | - Debabrata Dash
- Center for Advanced Research on Platelet Signaling and Thrombosis Biology, Department of Biochemistry, Institute of Medical SciencesBanaras Hindu UniversityVaranasiIndia
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Ekhlak M, Kulkarni PP, Singh V, Chaurasia SN, Mohapatra SK, Chaurasia RN, Dash D. Necroptosis executioner MLKL plays pivotal roles in agonist-induced platelet prothrombotic responses and lytic cell death in a temporal order. Cell Death Differ 2023; 30:1886-1899. [PMID: 37301927 PMCID: PMC10406901 DOI: 10.1038/s41418-023-01181-6] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2023] [Revised: 05/04/2023] [Accepted: 05/31/2023] [Indexed: 06/12/2023] Open
Abstract
Necroptosis is a form of programmed cell death executed by receptor-interacting serine/threonine protein kinase 1 (RIPK1), RIPK3, and mixed lineage kinase domain-like (MLKL). Platelets are circulating cells that play central roles in haemostasis and pathological thrombosis. In this study we demonstrate seminal contribution of MLKL in transformation of agonist-stimulated platelets to active haemostatic units progressing eventually to necrotic death on a temporal scale, thus attributing a yet unrecognized fundamental role to MLKL in platelet biology. Physiological agonists like thrombin instigated phosphorylation and subsequent oligomerization of MLKL in platelets in a RIPK3-independent but phosphoinositide 3-kinase (PI3K)/AKT-dependent manner. Inhibition of MLKL significantly curbed agonist-induced haemostatic responses in platelets that included platelet aggregation, integrin activation, granule secretion, procoagulant surface generation, rise in intracellular calcium, shedding of extracellular vesicles, platelet-leukocyte interactions and thrombus formation under arterial shear. MLKL inhibition, too, prompted impairment in mitochondrial oxidative phosphorylation and aerobic glycolysis in stimulated platelets, accompanied with disruption in mitochondrial transmembrane potential, augmented proton leak and drop in both mitochondrial calcium as well as ROS. These findings underscore the key role of MLKL in sustaining OXPHOS and aerobic glycolysis that underlie energy-intensive platelet activation responses. Prolonged exposure to thrombin provoked oligomerization and translocation of MLKL to plasma membranes forming focal clusters that led to progressive membrane permeabilization and decline in platelet viability, which was prevented by inhibitors of PI3K/MLKL. In summary, MLKL plays vital role in transitioning of stimulated platelets from relatively quiescent cells to functionally/metabolically active prothrombotic units and their ensuing progression to necroptotic death.
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Affiliation(s)
- Mohammad Ekhlak
- Center for Advanced Research on Platelet Signaling and Thrombosis Biology, Department of Biochemistry, Institute of Medical Sciences, Banaras Hindu University, Varanasi, 221005, India
| | - Paresh P Kulkarni
- Center for Advanced Research on Platelet Signaling and Thrombosis Biology, Department of Biochemistry, Institute of Medical Sciences, Banaras Hindu University, Varanasi, 221005, India
| | - Vipin Singh
- Center for Advanced Research on Platelet Signaling and Thrombosis Biology, Department of Biochemistry, Institute of Medical Sciences, Banaras Hindu University, Varanasi, 221005, India
| | - Susheel N Chaurasia
- Center for Advanced Research on Platelet Signaling and Thrombosis Biology, Department of Biochemistry, Institute of Medical Sciences, Banaras Hindu University, Varanasi, 221005, India
| | | | - Rameshwar Nath Chaurasia
- Department of Neurology, Institute of Medical Sciences, Banaras Hindu University, Varanasi, 221005, India
| | - Debabrata Dash
- Center for Advanced Research on Platelet Signaling and Thrombosis Biology, Department of Biochemistry, Institute of Medical Sciences, Banaras Hindu University, Varanasi, 221005, India.
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