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Tiwari C, Khan H, Grewal AK, Dhankhar S, Chauhan S, Dua K, Gupta G, Singh TG. Opiorphin: an endogenous human peptide with intriguing application in diverse range of pathologies. Inflammopharmacology 2024:10.1007/s10787-024-01526-8. [PMID: 39164607 DOI: 10.1007/s10787-024-01526-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2024] [Accepted: 07/03/2024] [Indexed: 08/22/2024]
Abstract
Mammalian zinc ectopeptidases have significant functions in deactivating neurological and hormonal peptide signals on the cell surface. The identification of Opiorphin, a physiological inhibitor of zinc ectopeptidases that inactivate enkephalin, has revealed its strong analgesic effects in both chemical and mechanical pain models. Opiorphin achieves this by increasing the transmission of endogenous opioids, which are dependent on the body's own opioid system. The function of opiorphin is closely linked to the rat sialorphin peptide, which inhibits pain perception by enhancing the activity of naturally occurring enkephalinergic pathways that depend on μ- and δ-opioid receptors. Opiorphin is highly intriguing in terms of its physiological implications within the endogenous opioidergic pathways, particularly in its ability to regulate mood-related states and pain perception. Opiorphin can induce antidepressant-like effects by influencing the levels of naturally occurring enkephalin, which are released in response to specific physical and/or psychological stimuli. This effect is achieved through the modulation of delta-opioid receptor-dependent pathways. Furthermore, research has demonstrated that opiorphin's impact on the cardiovascular system is facilitated by the renin-angiotensin system (RAS), sympathetic ganglia, and adrenal medulla, rather than the opioid system. Hence, opiorphin shows great potential as a solitary candidate for the treatment of several illnesses such as neurodegeneration, pain, and mood disorders.
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Affiliation(s)
- Chanchal Tiwari
- Chikara College of Pharmacy, Chitkara University, Rajpura, Punjab, 140401, India
| | - Heena Khan
- Chikara College of Pharmacy, Chitkara University, Rajpura, Punjab, 140401, India
| | - Amarjot Kaur Grewal
- Chikara College of Pharmacy, Chitkara University, Rajpura, Punjab, 140401, India.
| | - Sanchit Dhankhar
- Chikara College of Pharmacy, Chitkara University, Rajpura, Punjab, 140401, India
| | - Samrat Chauhan
- Chikara College of Pharmacy, Chitkara University, Rajpura, Punjab, 140401, India.
| | - Kamal Dua
- Discipline of Pharmacy, Graduate School of Health, University of Technology Sydney, Sydney, NSW, 2007, Australia
- Faculty of Health, Australian Research Centre in Complementary and Integrative Medicine, University of Technology Sydney, Ultimo, NSW, 2007, Australia
| | - Gaurav Gupta
- Centre for Transdisciplinary Research, Saveetha Institute of Medical and Technical Science, Saveetha University, Chennai, India
- School of Pharmacy, Graphic Era Hill University, Dehradun, 248007, India
| | - Thakur Gurjeet Singh
- Chikara College of Pharmacy, Chitkara University, Rajpura, Punjab, 140401, India.
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Moss LM, Berends CL, van Brummelen EMJ, Kamerling IMC, Klaassen ES, Bergmann K, Ville V, Juarez-Perez V, Benichou AC, Groeneveld GJ. First-in-human trial to assess the safety, tolerability, pharmacokinetics and pharmacodynamics of STR-324, a dual enkephalinase inhibitor for pain management. Br J Clin Pharmacol 2021; 88:103-114. [PMID: 34046921 PMCID: PMC9292820 DOI: 10.1111/bcp.14931] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2020] [Revised: 04/15/2021] [Accepted: 04/18/2021] [Indexed: 11/28/2022] Open
Abstract
AIM Dual enkephalinase inhibitors (DENKIs) are involved in the regulation of nociception via opioid receptors. The novel compound STR-324 belongs to the DENKI pharmacological class. This first-in-human study evaluated the safety, tolerability, pharmacokinetics and pharmacodynamics of STR-324 in healthy male participants. METHODS This was a randomised, double-blind, placebo-controlled ascending dosing study in two parts: in part 1, 30 participants received 0.004-11.475 mg h-1 of STR-324 or placebo (ratio 4:1) by 4 h intravenous infusion in a two-group, partial crossover design with four treatment periods separated by 1 month wash-out, and in part 2, 48 participants divided into three groups received either the active drug (1.25-11.25 mg h-1 ) or placebo (ratio 3:1) by 48 h intravenous infusion. Safety and tolerability parameters, pharmacokinetics and pharmacodynamic effects on neurocognitive and neurophysiological tasks and on a nociceptive test battery were evaluated. RESULTS No clinically relevant changes in safety parameters were observed. All treatment-emergent adverse events were mild and transient. The pharmacokinetics of STR-324 could not be determined due to most concentrations being below quantifiable limits. STR-324 metabolite concentrations were measurable, showing dose proportionality of Cmax and AUCinf with an estimated t1/2 of 0.2-0.5 h. Significant changes in pharmacodynamic parameters were observed, but these were not consistent or dose-dependent. CONCLUSION STR-324 displayed favourable safety and tolerability profiles at all doses up to 11.475 mg h-1 . Although pharmacokinetic characterisation of STR-324 was limited, dose proportionality could be assumed based on major metabolite data assayed as proxy. No clear effects on nociceptive thresholds or other pharmacodynamic measures were observed. TRIAL REGISTRY EudraCT (2014-002402-21) and toetsingonline.nl (63085).
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Affiliation(s)
- Laurence M Moss
- Centre for Human Drug Research, Leiden, the Netherlands.,Leiden University, Leiden, the Netherlands
| | - Cecile L Berends
- Centre for Human Drug Research, Leiden, the Netherlands.,Leiden University, Leiden, the Netherlands
| | | | - Ingrid M C Kamerling
- Centre for Human Drug Research, Leiden, the Netherlands.,Leiden University, Leiden, the Netherlands
| | | | | | | | | | | | - Geert Jan Groeneveld
- Centre for Human Drug Research, Leiden, the Netherlands.,Leiden University, Leiden, the Netherlands
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Correlation between serum renin-angiotensin system (RAS) level and depression and anxiety symptoms in patients with Parkinson's disease. Saudi J Biol Sci 2021; 28:2146-2154. [PMID: 33911931 PMCID: PMC8071904 DOI: 10.1016/j.sjbs.2021.02.029] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2020] [Revised: 02/05/2021] [Accepted: 02/07/2021] [Indexed: 01/13/2023] Open
Abstract
To investigate the correlation between serum renin-angiotensin system (RAS) level and Symptoms of anxiety and depression in Parkinson disease patients (PD). A number of 90 PD patients (47 males and 43 females) were collected on an empty stomach 12 h after stopping taking anti-PD medicines. ELISA has been found in Serum RAS ((Ang) I, Ang II, Ang (1-7), Angiotensin converting enzyme (ACE), ACE2). Depression scale (HAMD) and Anxiety scale (HAMA) in Hamilton are used for the assessment of signs of depression and anxiety. The 90 patients were diagnosed with moderate depression (HAMD score 8 ~ 19); in 32 of those (35.56 percent), and 12 (13.33%) were diagnosed as moderate and severe depression (HAMD score ≥ 20). 20 cases (22.22%) were diagnosed as possible anxiety disorder (HAMA score 7 ~ 13) and 16 cases (17.78%) as definite anxiety disorder (HAMA score ≥ 14). The association of serum Ang I, Ang II and Ang (1-7) with HAMD (r= - 0.820, P < 0.001; r = -0.846, P < 0.001) showed negative linkage with HAMD (r = -0.887, P < 0.003; P < 0.001; Negative correlation of the settings with HAMA (r = -0.850, P < 0.001; r = -0.887, P < 0.001; r = 0.003; r = 0.001, P < 0.001, Fig. 2, Fig. 3); The HAMD score and the HAMA score (all P > 0.05) were not associated to the serum ACE and ACE2. The serum Ang I, Ang II, and Ang (1-7) were found to be adversely associated with HAMD score (r = 0.826, P < 0,001; r = -0.818, p> >0,001; r = -0.876, P < 0,001; P = 0,001) P < 0,001; And have been negatively correlated (r = 0.870, Fig. 1, Fig. 2, Fig. 3) with AMA-scores (r = -0.876, P < 0.001, Table 1, Fig. 3), R = -0.862, P > 0.001; The HAMD score and the HAMA score (all P > 0.05) were not correlated to the serum ACE and ACE2. Finally, in PD patients, non-engine signs, including depression and anxiety, are normal. Thus, Serum levels Ang I, Ang II and Ang (1-7) were substantially decreased in female and male patients and associated with symptoms of depression and anxiety, ACE and ACE2 levels have not been attributed to signs of depression and anxiety. Serum Ang I, Ang II, and Ang (1-7) are important markers of depression and anxiety prevention and diagnosis in patients with DP.
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Fabisiak A, Sobocińska M, Kamysz E, Fichna J, Zielińska M. Antinociceptive potency of enkephalins and enkephalinase inhibitors in the mouse model of colorectal distension-proof-of-concept. Chem Biol Drug Des 2018; 92:1387-1392. [DOI: 10.1111/cbdd.13186] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2017] [Revised: 01/23/2018] [Accepted: 02/23/2018] [Indexed: 02/06/2023]
Affiliation(s)
- Adam Fabisiak
- Department of Biochemistry; Faculty of Medicine; Medical University of Lodz; Lodz Poland
| | - Małgorzata Sobocińska
- Department of Molecular Biotechnology; Faculty of Chemistry; University of Gdansk; Gdansk Poland
| | - Elżbieta Kamysz
- Department of Molecular Biotechnology; Faculty of Chemistry; University of Gdansk; Gdansk Poland
| | - Jakub Fichna
- Department of Biochemistry; Faculty of Medicine; Medical University of Lodz; Lodz Poland
| | - Marta Zielińska
- Department of Biochemistry; Faculty of Medicine; Medical University of Lodz; Lodz Poland
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Chen Y, Tian XZ, Bai L, Liu ZQ, Xiao XP, Liu P, Li XK. Effects of human opiorphin on food intake and water intake in mice following central administration. Neurosci Lett 2017; 641:62-69. [DOI: 10.1016/j.neulet.2017.01.028] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2016] [Revised: 01/11/2017] [Accepted: 01/11/2017] [Indexed: 12/14/2022]
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Salarić I, Sabalić M, Alajbeg I. Opiorphin in burning mouth syndrome patients: a case-control study. Clin Oral Investig 2016; 21:2363-2370. [PMID: 28013436 DOI: 10.1007/s00784-016-2031-9] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2016] [Accepted: 12/07/2016] [Indexed: 01/03/2023]
Abstract
OBJECTIVES Opiorphin is a pentapeptide isolated from human saliva that suppresses pain from chemically induced inflammation and acute physical pain. Burning mouth syndrome (BMS) is a chronic condition of a burning sensation in the mouth, where no underlying dental or medical cause can be identified. We aimed to measure the level of opiorphin in whole unstimulated (UWS) and stimulated (SWS) saliva of patients with BMS. MATERIALS AND METHODS Originally developed and validated LC-MS/MS method was used for opiorphin quantification. Samples were obtained from 29 BMS patients and 29 age- and sex-matched controls. RESULTS The average concentration of opiorphin in UWS and SWS in the BMS group was 8.13 ± 6.45 and 5.82 ± 3.59 ng/ml, respectively. Opiorphin in BMS patients' UWS was significantly higher, compared to the control group (t = 2.5898; p = 0.0122). SWS opiorphin levels were higher, but not significantly, in BMS patients than in controls. CONCLUSIONS Our results indicate that higher quantities of salivary opiorphin in BMS may be a consequence of chronic pain, but we cannot exclude that they occur as a result of emotional and behavioral imbalances possibly associated with BMS. To our knowledge, this is the first original article measuring opiorphin in a pain disorder. CLINICAL RELEVANCE Opiorphin may be a measurable biomarker for chronic pain, which could help in objectifying otherwise exclusively a subjective experience. Increased opiorphin could serve as a universal objective indicator of painful conditions. Since opiorphin may also reflect emotional and socio-relational imbalances occurring with BMS, it could as well represent a biomarker for BMS. Knowledge on opiorphin's involvement in pain pathways could contribute to developing new clinical diagnostic methods for BMS.
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Affiliation(s)
- Ivan Salarić
- Department of Oral and Maxillofacial Surgery, University of Zagreb School of Dental Medicine University Hospital Dubrava, Av. Gojka Šuška 6, 10000, Zagreb, Croatia
| | - Maja Sabalić
- Department of Craniofacial Development and Stem Cell Biology, Guy's Hospital, King's College London, Great Maze Pond, London, SE1 9RT, UK
| | - Ivan Alajbeg
- Department of Oral Medicine, University of Zagreb School of Dental Medicine and University Hospital Centre Zagreb, Gundulićeva 5, 10000, Zagreb, Croatia.
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STR-324, a Stable Analog of Opiorphin, Causes Analgesia in Postoperative Pain by Activating Endogenous Opioid Receptor–dependent Pathways. Anesthesiology 2016; 125:1017-1029. [DOI: 10.1097/aln.0000000000001320] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
Abstract
Background
Opiorphin is a naturally occurring potent analgesic human peptide. It protects enkephalins from degradation and inhibits pain perception in various acute pain models via activation of endogenous opioid pathways. However, the efficacy of opiorphin continuous infusion and its chemically stable form, STR-324, in postoperative pain is unknown.
Methods
Using the Brennan model of plantar incision–induced hypersensitivity, the authors examined the postsurgical analgesic response to mechanical and thermal stimuli of 7-day continuously intravenously infused drugs (8 to 10 rats per group). Antinociception from opiorphin with reference to morphine and STR-324 was assessed. Spinal c-Fos expression and the involvement of opioid receptor–dependent pathways were investigated. The occurrence of respiratory and hemodynamic adverse effects of opiorphin was also tested.
Results
Intravenous infusion of opiorphin significantly reduced responses to mechanical stimuli from days 1 to 4 post surgical period at 143 to 175-kPa mean ranges compared with 23 to 30-kPa mean ranges for vehicle (P < 0.05). During the 3-day postoperative period, no respiratory rate, oxygen saturation, arterial pressure, or heart rate adverse effects were induced by opiorphin. STR-324 consistently inhibited mechanical and thermal hyperalgesia with similar potency as that of opiorphin. Mechanistic analyses demonstrated that the STR-324 antinociceptive effect was reversed by the opioid antagonist, naloxone. Also, STR-324 significantly reduced the number of pain-evoked spinal cFos-immunoreactive nuclei.
Conclusion
Intravenous infusion of opiorphin and STR-324 produced significant antinociceptive effect in a postoperative pain model. This study demonstrates that STR-324 is effective in postoperative pain management due to its strong antihyperalgesic effects mediated via opioid-dependent antinociceptive pathways. Opiorphin analog should represent a new class of potent and safe analgesics.
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Kubo H, Shibato J, Saito T, Ogawa T, Rakwal R, Shioda S. Unraveling the Rat Intestine, Spleen and Liver Genome-Wide Transcriptome after the Oral Administration of Lavender Oil by a Two-Color Dye-Swap DNA Microarray Approach. PLoS One 2015; 10:e0129951. [PMID: 26161641 PMCID: PMC4498626 DOI: 10.1371/journal.pone.0129951] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2015] [Accepted: 05/14/2015] [Indexed: 12/12/2022] Open
Abstract
The use of lavender oil (LO)--a commonly, used oil in aromatherapy, with well-defined volatile components linalool and linalyl acetate--in non-traditional medicine is increasing globally. To understand and demonstrate the potential positive effects of LO on the body, we have established an animal model in this current study, investigating the orally administered LO effects genome wide in the rat small intestine, spleen, and liver. The rats were administered LO at 5 mg/kg (usual therapeutic dose in humans) followed by the screening of differentially expressed genes in the tissues, using a 4×44-K whole-genome rat chip (Agilent microarray platform; Agilent Technologies, Palo Alto, CA, USA) in conjunction with a dye-swap approach, a novelty of this study. Fourteen days after LO treatment and compared with a control group (sham), a total of 156 and 154 up (≧ 1.5-fold)- and down (≦ 0.75-fold)-regulated genes, 174 and 66 up- (≧ 1.5-fold)- and down (≦ 0.75-fold)-regulated genes, and 222 and 322 up- (≧ 1.5-fold)- and down (≦ 0.75-fold)-regulated genes showed differential expression at the mRNA level in the small intestine, spleen and liver, respectively. The reverse transcription-polymerase chain reaction (RT-PCR) validation of highly up- and down-regulated genes confirmed the regulation of the Papd4, Lrp1b, Alb, Cyr61, Cyp2c, and Cxcl1 genes by LO as examples in these tissues. Using bioinformatics, including Ingenuity Pathway Analysis (IPA), differentially expressed genes were functionally categorized by their Gene Ontology (GO) and biological function and network analysis, revealing their diverse functions and potential roles in LO-mediated effects in rat. Further IPA analysis in particular unraveled the presence of novel genes, such as Papd4, Or8k5, Gprc5b, Taar5, Trpc6, Pld2 and Onecut3 (up-regulated top molecules) and Tnf, Slc45a4, Slc25a23 and Samt4 (down-regulated top molecules), to be influenced by LO treatment in the small intestine, spleen and liver, respectively. These results are the first such inventory of genes that are affected by lavender essential oil (LO) in an animal model, forming the basis for further in-depth bioinformatics and functional analyses and investigation.
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Affiliation(s)
- Hiroko Kubo
- Department of Anatomy I, Showa University School of Medicine, Shinagawa, Tokyo, Japan
- Oriental Aromatherapy College, Katsushika, Tokyo, Japan
| | - Junko Shibato
- Department of Anatomy I, Showa University School of Medicine, Shinagawa, Tokyo, Japan
- Global Research Center for Innovative Life Science, Peptide Drug Innovation, School of Pharmacy and Pharmaceutical Sciences, Hoshi University, Shinagawa, Tokyo, Japan
- Laboratory of Exercise Biochemistry and Neuroendocrinology, Institute of Health and Sport Sciences, University of Tsukuba, Tsukuba, Ibaraki, Japan
| | - Tomomi Saito
- Department of Anatomy I, Showa University School of Medicine, Shinagawa, Tokyo, Japan
| | - Tetsuo Ogawa
- Department of Anatomy I, Showa University School of Medicine, Shinagawa, Tokyo, Japan
- Department of Physiology, Saitama Medical University, Iruma-gun, Saitama, Japan
| | - Randeep Rakwal
- Department of Anatomy I, Showa University School of Medicine, Shinagawa, Tokyo, Japan
- Global Research Center for Innovative Life Science, Peptide Drug Innovation, School of Pharmacy and Pharmaceutical Sciences, Hoshi University, Shinagawa, Tokyo, Japan
- Organization for Educational Initiatives, University of Tsukuba, Tsukuba, Ibaraki, Japan
- Faculty of Health and Sport Sciences & Tsukuba International Academy for Sport Studies (TIAS), University of Tsukuba, Tsukuba, Ibaraki, Japan
| | - Seiji Shioda
- Department of Anatomy I, Showa University School of Medicine, Shinagawa, Tokyo, Japan
- Global Research Center for Innovative Life Science, Peptide Drug Innovation, School of Pharmacy and Pharmaceutical Sciences, Hoshi University, Shinagawa, Tokyo, Japan
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Effects and underlying mechanisms of human opiorphin on cardiovascular activity in anesthetized rats. Eur J Pharmacol 2015; 749:32-8. [DOI: 10.1016/j.ejphar.2014.11.025] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2014] [Revised: 11/16/2014] [Accepted: 11/18/2014] [Indexed: 11/22/2022]
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