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Sharma M, Verma S, Angurana SL, Tufail Z, Bhagat V, Nagyal S, Jamwal RS, Sharma B, Shah R, Bhat A, Chander G, Kumar R. Exome sequencing identifies ADGRG4 G-protein-coupled receptors gene as a novel cancer biomarker in ovarian cancer patients from North India. J Biochem Mol Toxicol 2024; 38:e23672. [PMID: 38462741 DOI: 10.1002/jbt.23672] [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: 09/12/2023] [Revised: 01/17/2024] [Accepted: 02/23/2024] [Indexed: 03/12/2024]
Abstract
Adhesion G protein-coupled receptor G4 (ADGRG4) is a G protein-coupled receptor (GPCR) that belongs to the adhesion family. Participation of ADGRG4 in cell adhesion and migration, signaling pathway activation, influence on angiogenesis, and modulation of immune responses are some of the possible ways through which it may contribute to oncogenesis. Conducting extensive omics studies poses budgetary challenges to small labs in peripheral areas, primarily due to restricted research funding and resource limitations. Here we propose a low-budget model for biomarker screening. A total of 11 ovarian cancer samples were sent for exome sequencing. Among various genes, ADGRG4 variants were present in all 11 samples and thus were chosen as a potential biomarker in the present population. However, the precise role of ADGRG4 in cancer is not fully understood. The present study aims to look at the association between the ADGRG4 gene variants and their risk of ovarian cancer in the North Indian region of Jammu and Kashmir, India. Overall, 235 individuals (115 cases and 120 healthy controls) were genotyped for the selected biomarker using Sanger sequencing. Logistic regression was used to assess the relationship between the variant and ovarian cancer. A statistically significant association was identified between the ADGRG4 variant rs5930932 polymorphism and the incidence of ovarian cancer among the study population. When corrected for age and BMI, the dominating OR of variant rs5930932 was 1.035 (1.003-1.069) under HWE patients (0.95) and controls (0.18), with a p-value of (0.03). According to the findings of the current investigation, the ADGRG4 gene variant rs5930932 increases the chance of developing ovarian cancer in the studied population.
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Affiliation(s)
- Minerva Sharma
- School of Biotechnology, Shri Mata Vaishno Devi University, Katra, India
| | - Sonali Verma
- Indian Council of Medical Research-Centre for Advance Research, Shri Mata Vaishno Devi University, Katra, India
| | | | - Ziya Tufail
- School of Biotechnology, Shri Mata Vaishno Devi University, Katra, India
| | - Vanshika Bhagat
- School of Biotechnology, Shri Mata Vaishno Devi University, Katra, India
| | - Sonia Nagyal
- Department of Histopathology, Shri Mata Vaishno Devi Narayana Multispeciality Clinic, Shri Mata Vaishno Devi Narayana Superspeciality Hospital, Katra, India
| | | | - Bhawani Sharma
- School of Biotechnology, Shri Mata Vaishno Devi University, Katra, India
| | - Ruchi Shah
- School of Biotechnology, Shri Mata Vaishno Devi University, Katra, India, Jammu & Kashmir, India
| | - Audesh Bhat
- Centre for Molecular Biology, Central University of Jammu, Jammu & Kashmir, India
| | - Gresh Chander
- Indian Council of Medical Research-Centre for Advance Research, Shri Mata Vaishno Devi University, Katra, India
| | - Rakesh Kumar
- School of Biotechnology, Shri Mata Vaishno Devi University, Katra, India
- Indian Council of Medical Research-Centre for Advance Research, Shri Mata Vaishno Devi University, Katra, India
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2
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Matkivska R, Samborska I, Maievskyi O. Effect of animal venom toxins on the main links of the homeostasis of mammals (Review). Biomed Rep 2024; 20:16. [PMID: 38144889 PMCID: PMC10739175 DOI: 10.3892/br.2023.1704] [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] [Received: 05/31/2023] [Accepted: 11/15/2023] [Indexed: 12/26/2023] Open
Abstract
The human body is affected by environmental factors. The dynamic balance between the organism and its environment results from the influence of natural, anthropogenic and social aspects. The factors of exogenous origin determine development of adaptive changes. The present article summarises the mechanisms of animal venom toxins and homeostasis disruption in the body of mammals. The mechanisms underlying pathological changes are associated with shifts in biochemical reactions. Components of the immune, nervous and endocrine systems are key in the host defense and adaptation processes in response to venom by triggering signalling pathways (PI3kinase pathway, arachidonic acid cascade). Animal venom toxins initiate the development of inflammatory processes, the synthesis of pro-inflammatory mediators (cytokines), ROS, proteolytic enzymes, activate the migration of leukocytes and macrophages. Keratinocytes and endothelial cells act as protective barriers under the action of animal venom toxins on the body of mammals. In addition, the formation of pores in cell membranes, structural changes in cell ion channels are characteristic of the action of animal venom toxins.
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Affiliation(s)
- Ruzhena Matkivska
- Department of Descriptive and Clinical Anatomy, Bogomolets National Medical University, Kyiv 03680, Ukraine
| | - Inha Samborska
- Department of Biological and General Chemistry, National Pirogov Memorial Medical University, Vinnytsya 21018, Ukraine
| | - Oleksandr Maievskyi
- Department of Clinical Medicine, Educational and Scientific Center ‘Institute of Biology and Medicine’ of Taras Shevchenko National University of Kyiv, Kyiv 03127, Ukraine
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Gilles N. Natural Peptide Toxins as an Option for Renewed Treatment of Type 2 Vasopressin Receptor-Related Diseases. BIOLOGY 2023; 12:biology12040544. [PMID: 37106745 PMCID: PMC10136000 DOI: 10.3390/biology12040544] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/09/2023] [Revised: 03/31/2023] [Accepted: 03/31/2023] [Indexed: 04/07/2023]
Abstract
The type 2 vasopressin receptor (V2R) is expressed in the kidneys, and it is the keystone of water homeostasis. Under the control of the antidiuretic hormone vasopressin, the V2R ensures vital functions, and any disturbance has dramatic consequences. Despite decades of research to develop drugs capable of activating or blocking V2R function to meet real medical needs, only one agonist and one antagonist are virtually used today. These two drugs cover only a small portion of patients’ needs, leaving millions of patients without treatment. Natural peptide toxins known to act selectively and at low doses on their receptor target could offer new therapeutic options.
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Affiliation(s)
- Nicolas Gilles
- CEA, SIMoS, Département Médicaments et Technologies pour la Santé (DMTS), Université Paris-Saclay, 91191 Gif-sur-Yvette, France
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The Molecular Composition of Peptide Toxins in the Venom of Spider Lycosa coelestis as Revealed by cDNA Library and Transcriptomic Sequencing. Toxins (Basel) 2023; 15:toxins15020143. [PMID: 36828457 PMCID: PMC9959208 DOI: 10.3390/toxins15020143] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2023] [Revised: 02/02/2023] [Accepted: 02/08/2023] [Indexed: 02/12/2023] Open
Abstract
In the so-called "struggle for existence" competition, the venomous animals developed a smart and effective strategy, envenomation, for predation and defense. Biochemical analysis revealed that animal venoms are chemical pools of proteinase, peptide toxins, and small organic molecules with various biological activities. Of them, peptide toxins are of great molecular diversity and possess the capacity to modulate the activity of ion channels, the second largest group of drug targets expressed on the cell membrane, which makes them a rich resource for developing peptide drug pioneers. The spider Lycosa coelestis (L. coelestis) commonly found in farmland in China is a dominant natural enemy of agricultural pests; however, its venom composition and activity were never explored. Herein, we conducted cDNA library and transcriptomic sequencing of the venom gland of L. coelestis, which identified 1131 high-quality expressed sequence tags (ESTs), grouped into three categories denoted as toxin-like ESTs (597, 52.79%), cellular component ESTs (357, 31.56%), and non-matched ESTs (177, 15.65%). These toxin-like ESTs encode 98 non-reductant toxins, which are artificially divided into 11 families based on their sequence homology and cysteine frameworks (2-14 cysteines forming 1-7 disulfide bonds to stabilize the toxin structure). Furthermore, RP-HPLC purification combined with off-line MALDI-TOF analysis have detected 147 different peptides physically existing in the venom of L. coelestis. Electrophysiology analysis confirmed that the venom preferably inhibits the voltage-gated calcium channels in rat dorsal root ganglion neurons. Altogether, the present study has added a great lot of new members to the spider toxin superfamily and built the foundation for characterizing novel active peptides in the L. coelestis venom.
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Characterization of the First Animal Toxin Acting as an Antagonist on AT1 Receptor. Int J Mol Sci 2023; 24:ijms24032330. [PMID: 36768653 PMCID: PMC9916866 DOI: 10.3390/ijms24032330] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2022] [Revised: 01/19/2023] [Accepted: 01/20/2023] [Indexed: 01/26/2023] Open
Abstract
The renin-angiotensin system (RAS) is one of the main regulatory systems of cardiovascular homeostasis. It is mainly composed of angiotensin-converting enzyme (ACE) and angiotensin II receptors AT1 and AT2. ACE and AT1 are targets of choice for the treatment of hypertension, whereas the AT2 receptor is still not exploited due to the lack of knowledge of its physiological properties. Peptide toxins from venoms display multiple biological functions associated with varied chemical and structural properties. If Brazilian viper toxins have been described to inhibit ACE, no animal toxin is known to act on AT1/AT2 receptors. We screened a library of toxins on angiotensin II receptors with a radioligand competition binding assay. Functional characterization of the selected toxin was conducted by measuring second messenger production, G-protein activation and β-arrestin 2 recruitment using bioluminescence resonance energy transfer (BRET) based biosensors. We identified one original toxin, A-CTX-cMila, which is a 7-residues cyclic peptide from Conus miliaris with no homology sequence with known angiotensin peptides nor identified toxins, displaying a 100-fold selectivity for AT1 over AT2. This toxin shows a competitive antagonism mode of action on AT1, blocking Gαq, Gαi3, GαoA, β-arrestin 2 pathways and ERK1/2 activation. These results describe the first animal toxin active on angiotensin II receptors.
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Reynaud S, Laurin SA, Ciolek J, Barbe P, Van Baelen AC, Susset M, Blondel F, Ghazarian M, Boeri J, Vanden Driessche M, Upert G, Mourier G, Kessler P, Konnert L, Beroud R, Keck M, Servent D, Bouvier M, Gilles N. From a Cone Snail Toxin to a Competitive MC4R Antagonist. J Med Chem 2022; 65:12084-12094. [PMID: 36063022 DOI: 10.1021/acs.jmedchem.2c00786] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
The melanocortin 4 receptor (MC4R) plays a role in energy homeostasis and represents a target for treating energy balance disorders. For decades, synthetic ligands have been derived from MC4R endogenous agonists and antagonists, such as setmelanotide used to treat rare forms of genetic obesity. Recently, animal venoms have demonstrated their capacity to provide melanocortin ligands with toxins from a scorpion and a spider. Here, we described a cone snail toxin, N-CTX-Ltg1a, with a nanomolar affinity for hMC4R but unrelated to any known toxins or melanocortin ligands. We then derived from the conotoxin the linear peptide HT1-0, a competitive antagonist of Gs, G15, and β-arrestin2 pathways with a low nanomolar affinity for hMC4R. Similar to endogenous ligands, HT1-0 needs hydrophobic and basic residues to bind hMC4R. Altogether, it represents the first venom-derived peptide of high affinity on MC4R and paves the way for the development of new MC4R antagonists.
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Affiliation(s)
- Steve Reynaud
- Health and Life Sciences Department, Université Paris Saclay, French Alternative Energies and Atomic Energy Commission (CEA), CEA Saclay, Bat 152, 91191 Gif sur Yvette, France
| | - Suli-Anne Laurin
- Institute for Research in Immunology and Cancer, Department of Biochemistry and Molecular Medicine, Université de Montréal, Montréal, Québec H3T 1J4, Canada
| | - Justyna Ciolek
- Health and Life Sciences Department, Université Paris Saclay, French Alternative Energies and Atomic Energy Commission (CEA), CEA Saclay, Bat 152, 91191 Gif sur Yvette, France
| | - Peggy Barbe
- Health and Life Sciences Department, Université Paris Saclay, French Alternative Energies and Atomic Energy Commission (CEA), CEA Saclay, Bat 152, 91191 Gif sur Yvette, France
| | - Anne-Cécile Van Baelen
- Health and Life Sciences Department, Université Paris Saclay, French Alternative Energies and Atomic Energy Commission (CEA), CEA Saclay, Bat 152, 91191 Gif sur Yvette, France
| | - Michaël Susset
- Health and Life Sciences Department, Université Paris Saclay, French Alternative Energies and Atomic Energy Commission (CEA), CEA Saclay, Bat 152, 91191 Gif sur Yvette, France
| | - Florian Blondel
- Health and Life Sciences Department, Université Paris Saclay, French Alternative Energies and Atomic Energy Commission (CEA), CEA Saclay, Bat 152, 91191 Gif sur Yvette, France
| | - Marine Ghazarian
- Health and Life Sciences Department, Université Paris Saclay, French Alternative Energies and Atomic Energy Commission (CEA), CEA Saclay, Bat 152, 91191 Gif sur Yvette, France
| | - Julia Boeri
- Health and Life Sciences Department, Université Paris Saclay, French Alternative Energies and Atomic Energy Commission (CEA), CEA Saclay, Bat 152, 91191 Gif sur Yvette, France
| | - Margot Vanden Driessche
- Health and Life Sciences Department, Université Paris Saclay, French Alternative Energies and Atomic Energy Commission (CEA), CEA Saclay, Bat 152, 91191 Gif sur Yvette, France
| | - Grégory Upert
- Health and Life Sciences Department, Université Paris Saclay, French Alternative Energies and Atomic Energy Commission (CEA), CEA Saclay, Bat 152, 91191 Gif sur Yvette, France
| | - Gilles Mourier
- Health and Life Sciences Department, Université Paris Saclay, French Alternative Energies and Atomic Energy Commission (CEA), CEA Saclay, Bat 152, 91191 Gif sur Yvette, France
| | - Pascal Kessler
- Health and Life Sciences Department, Université Paris Saclay, French Alternative Energies and Atomic Energy Commission (CEA), CEA Saclay, Bat 152, 91191 Gif sur Yvette, France
| | - Laure Konnert
- Smartox Biotechnology, 6 Rue des Platanes, 38120 Saint-Egrève, France
| | - Rémy Beroud
- Smartox Biotechnology, 6 Rue des Platanes, 38120 Saint-Egrève, France
| | - Mathilde Keck
- Health and Life Sciences Department, Université Paris Saclay, French Alternative Energies and Atomic Energy Commission (CEA), CEA Saclay, Bat 152, 91191 Gif sur Yvette, France
| | - Denis Servent
- Health and Life Sciences Department, Université Paris Saclay, French Alternative Energies and Atomic Energy Commission (CEA), CEA Saclay, Bat 152, 91191 Gif sur Yvette, France
| | - Michel Bouvier
- Institute for Research in Immunology and Cancer, Department of Biochemistry and Molecular Medicine, Université de Montréal, Montréal, Québec H3T 1J4, Canada
| | - Nicolas Gilles
- Health and Life Sciences Department, Université Paris Saclay, French Alternative Energies and Atomic Energy Commission (CEA), CEA Saclay, Bat 152, 91191 Gif sur Yvette, France
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Roque-Borda CA, Gualque MWDL, da Fonseca FH, Pavan FR, Santos-Filho NA. Nanobiotechnology with Therapeutically Relevant Macromolecules from Animal Venoms: Venoms, Toxins, and Antimicrobial Peptides. Pharmaceutics 2022; 14:891. [PMID: 35631477 PMCID: PMC9146920 DOI: 10.3390/pharmaceutics14050891] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2022] [Revised: 04/12/2022] [Accepted: 04/15/2022] [Indexed: 11/17/2022] Open
Abstract
Some diseases of uncontrolled proliferation such as cancer, as well as infectious diseases, are the main cause of death in the world, and their causative agents have rapidly developed resistance to the various existing treatments, making them even more dangerous. Thereby, the discovery of new therapeutic agents is a challenge promoted by the World Health Organization (WHO). Biomacromolecules, isolated or synthesized from a natural template, have therapeutic properties which have not yet been fully studied, and represent an unexplored potential in the search for new drugs. These substances, starting from conglomerates of proteins and other substances such as animal venoms, or from minor substances such as bioactive peptides, help fight diseases or counteract harmful effects. The high effectiveness of these biomacromolecules makes them promising substances for obtaining new drugs; however, their low bioavailability or stability in biological systems is a challenge to be overcome in the coming years with the help of nanotechnology. The objective of this review article is to describe the relationship between the structure and function of biomacromolecules of animal origin that have applications already described using nanotechnology and targeted delivery.
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Affiliation(s)
- Cesar Augusto Roque-Borda
- Tuberculosis Research Laboratory, School of Pharmaceutical Sciences, São Paulo State University (UNESP), Araraquara 14800-903, Brazil; (C.A.R.-B.); (F.R.P.)
| | - Marcos William de Lima Gualque
- Proteomics Laboratory, School of Pharmaceutical Sciences, São Paulo State University (UNESP), Araraquara 14800-903, Brazil;
| | - Fauller Henrique da Fonseca
- Department of Biochemistry and Organic Chemistry, Chemistry Institute, São Paulo State University (UNESP), Araraquara 14800-903, Brazil;
| | - Fernando Rogério Pavan
- Tuberculosis Research Laboratory, School of Pharmaceutical Sciences, São Paulo State University (UNESP), Araraquara 14800-903, Brazil; (C.A.R.-B.); (F.R.P.)
| | - Norival Alves Santos-Filho
- Department of Biochemistry and Organic Chemistry, Chemistry Institute, São Paulo State University (UNESP), Araraquara 14800-903, Brazil;
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