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Attapong J, Kaset C, Nakkam N, Tassaneeyakul W, Wichukchinda N, Chomean S. Dual approaches in pharmacogenetics: Developing PCR-SSP and RT-PCR methods for HLA-B*13:01 screening to prevent dapsone and Co-trimoxazole SCARs. Heliyon 2024; 10:e34977. [PMID: 39144953 PMCID: PMC11320476 DOI: 10.1016/j.heliyon.2024.e34977] [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: 02/12/2024] [Revised: 07/18/2024] [Accepted: 07/19/2024] [Indexed: 08/16/2024] Open
Abstract
Dapsone and co-trimoxazole are potent antibiotics for treating various infections and inflammations. However, several studies reported the strongly association between severe cutaneous adverse drug reactions (SCARs) to both drugs and the HLA-B*13:01 allele. Rapid and reliable screening for the HLA-B*13:01 allele can mitigate the risk of dapsone-induced SCARs. We developed two methods, multiplex sequence-specific primer PCR (PCR-SSP) and real-time PCR (RT-PCR), tailored for different clinical settings. These methods were optimized to minimize false positives among the Thai population. Clinical validation demonstrated excellent reproducibility, with both methods showing 100 % concordance in repeated tests. PCR-SSP achieved a limit of detection as low as 100 pg of genomic DNA, while RT-PCR reached 1 pg. Overall statistical accuracy was 100.00 % (95 % CI: 98.18 %-100.00 %). Screening for drug-related HLA alleles is crucial for reducing mortality from severe cutaneous adverse drug reactions, especially dapsone hypersensitivity syndrome (DHS) and dapsone-induced hypersensitivity reactions (DIHRs). Our screening approach for dapsone can also be extended to co-trimoxazole, representing a significant advancement in personalized medicine and preemptive pharmacogenetic testing for tailored patient care and safety, albeit further validation in diverse ethnic populations is warranted to ensure universal applicability.
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Affiliation(s)
- Jirapat Attapong
- Graduate Program in Biomedical Sciences, Faculty of Allied Health Sciences, Thammasat University, Pathumthani, Thailand
- Thammasat University Research Unit in Medical Technology and Precision Medicine Innovation, Thailand
| | - Chollanot Kaset
- Department of Medical Technology, Faculty of Allied Health Sciences, Thammasat University, Pathumthani, Thailand
- Thammasat University Research Unit in Medical Technology and Precision Medicine Innovation, Thailand
| | - Nontaya Nakkam
- Department of Pharmacology, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand
| | | | | | - Sirinart Chomean
- Department of Medical Technology, Faculty of Allied Health Sciences, Thammasat University, Pathumthani, Thailand
- Thammasat University Research Unit in Medical Technology and Precision Medicine Innovation, Thailand
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Nazari K, Hosseindoost S, Dehpour AR, Kheirandish Y, Shafaroodi H. Evaluating the protective effect of dapsone on experimental osteoarthritis models induced by MIA in male rats. J Pharm Pharmacol 2024:rgae087. [PMID: 39096531 DOI: 10.1093/jpp/rgae087] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2024] [Accepted: 06/19/2024] [Indexed: 08/05/2024]
Abstract
OBJECTIVES Osteoarthritis, a degenerative condition that results in significant morbidity, is typically managed with treatments aimed at symptom relief rather than addressing the underlying degeneration. Dapsone, recognized for its anti-inflammatory, antioxidant, antiexcitotoxic, and antiapoptotic properties, has demonstrated promising effects in various neurodegenerative diseases. This study explores the potential of dapsone to mitigate articular destruction, inflammation, and pain in rat models of osteoarthritis. METHODS Osteoarthritis was induced in rats by injecting MIA into the right knee joint. Dapsone was then administered intraperitoneally at 5, 10, or 20 mg/kg every 2 days for 2 weeks. Behavioural tests were done on days 0, 7, and 14. On day 14, the articular cartilage was histologically analysed using H&E staining. Serum levels of NF-kB, IL-1β, and TNF-α were evaluated by ELISA. RESULTS Dapsone effectively reduces pain, inflammation, and articular cartilage damage in osteoarthritis. Specifically, it improves mechanical allodynia and thermal hyperalgesia, reduces inflammatory markers (TNF-α, IL-1β, and NF-κB), and protects against cartilage destruction and chondrocyte loss, with the most significant effects at 20 mg/kg. CONCLUSIONS Dapsone effectively prevents pain, inflammation, and cartilage damage in osteoarthritis rats, suggesting its potential as a therapeutic option for managing osteoarthritis.
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Affiliation(s)
- Kimia Nazari
- Department of Toxicology and Pharmacology, School of Pharmacy, Tehran Medical Sciences, Shariati St., Khagani St., Islamic Azad University of Medical Sciences, Tehran 1916893813, Iran
| | - Saereh Hosseindoost
- Brain and Spinal Cord Injury Research Center, Neuroscience Institute, Tehran University of Medical Sciences, Tohid Square, Imam Khomeini Hospital Complex, Tehran 1419733141, Iran
- Pain Research Center, Neuroscience Institute, Imam Khomeini Hospital Complex, Tehran University of Medical Sciences, Tohid Square, Tehran 1419733141, Iran
| | - Ahmad Reza Dehpour
- Department of Pharmacology, School of Medicine, Tehran University of Medical Sciences, Elkhebal St., Quds St., Porsina St., Faculty of Medicine, Tehran 1461884513, Iran
- Experimental Medicine Research Center, School of Medicine, Tehran University of Medical Sciences, Elkhebal St., Quds St., Porsina St., Tehran 1461884513, Iran
| | - Yasaman Kheirandish
- Department of Radiology, Tehran University of Medical Sciences, Elkhebal St. - Quds St. - Porsina St. - Faculty of Medicine, Tehran 1461884513, Iran
- Dental Research Center, Dental Research Institute, Tehran University of Medical Sciences, Elkhebal St. , Quds St., Faculty of Medicine, Tehran 1461884513, Iran
| | - Hamed Shafaroodi
- Pain Research Center, Neuroscience Institute, Imam Khomeini Hospital Complex, Tehran University of Medical Sciences, Tohid Square, Tehran 1419733141, Iran
- Experimental Medicine Research Center, School of Medicine, Tehran University of Medical Sciences, Elkhebal St., Quds St., Porsina St., Tehran 1461884513, Iran
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Luzzi S, Bektaşoğlu PK, Doğruel Y, Güngor A. Beyond nimodipine: advanced neuroprotection strategies for aneurysmal subarachnoid hemorrhage vasospasm and delayed cerebral ischemia. Neurosurg Rev 2024; 47:305. [PMID: 38967704 PMCID: PMC11226492 DOI: 10.1007/s10143-024-02543-5] [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: 12/11/2023] [Revised: 05/15/2024] [Accepted: 06/24/2024] [Indexed: 07/06/2024]
Abstract
The clinical management of aneurysmal subarachnoid hemorrhage (SAH)-associated vasospasm remains a challenge in neurosurgical practice, with its prevention and treatment having a major impact on neurological outcome. While considered a mainstay, nimodipine is burdened by some non-negligible limitations that make it still a suboptimal candidate of pharmacotherapy for SAH. This narrative review aims to provide an update on the pharmacodynamics, pharmacokinetics, overall evidence, and strength of recommendation of nimodipine alternative drugs for aneurysmal SAH-associated vasospasm and delayed cerebral ischemia. A PRISMA literature search was performed in the PubMed/Medline, Web of Science, ClinicalTrials.gov, and PubChem databases using a combination of the MeSH terms "medical therapy," "management," "cerebral vasospasm," "subarachnoid hemorrhage," and "delayed cerebral ischemia." Collected articles were reviewed for typology and relevance prior to final inclusion. A total of 346 articles were initially collected. The identification, screening, eligibility, and inclusion process resulted in the selection of 59 studies. Nicardipine and cilostazol, which have longer half-lives than nimodipine, had robust evidence of efficacy and safety. Eicosapentaenoic acid, dapsone and clazosentan showed a good balance between effectiveness and favorable pharmacokinetics. Combinations between different drug classes have been studied to a very limited extent. Nicardipine, cilostazol, Rho-kinase inhibitors, and clazosentan proved their better pharmacokinetic profiles compared with nimodipine without prejudice with effective and safe neuroprotective role. However, the number of trials conducted is significantly lower than for nimodipine. Aneurysmal SAH-associated vasospasm remains an area of ongoing preclinical and clinical research where the search for new drugs or associations is critical.
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Affiliation(s)
- Sabino Luzzi
- Department of Clinical-Surgical, Diagnostic and Pediatric Sciences, University of Pavia, Pavia, Italy.
- Neurosurgery Unit, Department of Surgical Sciences, Fondazione IRCCS Policlinico San Matteo, Pavia, Italy.
| | - Pınar Kuru Bektaşoğlu
- Department of Neurosurgery, University of Health Sciences, Fatih Sultan Mehmet Education and Research Hospital, İstanbul, Türkiye
| | - Yücel Doğruel
- Department of Neurosurgery, Health Sciences University, Tepecik Training and Research Hospital, İzmir, Türkiye
| | - Abuzer Güngor
- Faculty of Medicine, Department of Neurosurgery, Istinye University, İstanbul, Türkiye
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Islas-Cortez M, Ríos C, Manzanares J, Díaz-Ruiz A, Pérez-Pastén-Borja R. Isobolographic Analysis of the Cytoprotective Effect of Dapsone and Cannabidiol Alone or Combination upon Oxygen-Glucose Deprivation/Reoxygenation Model in SH-SY5Y Cells. Antioxidants (Basel) 2024; 13:705. [PMID: 38929144 PMCID: PMC11200396 DOI: 10.3390/antiox13060705] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2024] [Revised: 06/01/2024] [Accepted: 06/05/2024] [Indexed: 06/28/2024] Open
Abstract
Oxidative stress and apoptosis cell death are critical secondary damage mechanisms that lead to losing neighboring healthy tissue after cerebral ischemia. This study aims to characterize the type of interaction between dapsone (DDS) and cannabidiol (CBD) and its cytoprotective effect in an in vitro model of oxygen and glucose deprivation for 6 h followed by 24 h of reoxygenation (OGD/R), using the SH-SY5Y cell line. For the combined concentrations, an isobolographic study was designed to determine the optimal concentration-response combinations. Cell viability was evaluated by measuring the lactate dehydrogenase (LDH) release and 3-[4, 5-dimethyl-2-thiazolyl]-2, 5-diphenyl-2H-tetrazolium bromide (MTT) assays. Also, the reactive oxygen species (ROS) and reduced glutathione (GSH) levels were analyzed as oxidative stress markers. Finally, caspase-3 activity was evaluated as a marker cell death by apoptosis. The results showed a decrease in cell viability, an increase in oxidant stress, and the activity of caspase-3 by the effect of OGD/R. Meanwhile, both DDS and CBD demonstrated antioxidant, antiapoptotic, and cytoprotective effects in a concentration-response manner. The isobolographic study indicated that the concentration of 2.5 µM of DDS plus 0.05 µM of CBD presented a synergistic effect so that in treatment, cell death due to OGD/R decreased. The findings indicate that DDS-CBD combined treatment may be a helpful therapy in cerebral ischemia with reperfusion.
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Affiliation(s)
- Marcela Islas-Cortez
- Laboratorio de Toxicología Molecular, Departamento de Farmacia, Escuela Nacional de Ciencias Biológicas, Instituto Politécnico Nacional, Ciudad de México 07738, Mexico;
- Departamento de Neuroquímica, Instituto Nacional de Neurología y Neurocirugía “Manuel Velasco Suárez”, Ciudad de México 14269, Mexico
| | - Camilo Ríos
- Laboratorio de Neurofarmacología Molecular, Universidad Autónoma Metropolitana Xochimilco, Ciudad de México 04960, Mexico;
- Dirección de Investigación, Instituto Nacional de Rehabilitación Luis Guillermo Ibarra Ibarra, Ciudad de México 14389, Mexico
| | - Jorge Manzanares
- Instituto de Neurociencias, Universidad Miguel Hernandez-CSIC, 03550 San Juan de Alicante, Alicante, Spain;
- Redes de Investigación Cooperativa Orientadas a Resultados en Salud (RICORS), Red de Investigación en Atención Primaria de Adicciones (RIAPAd), Instituto de Salud Carlos III, MICINN and FEDER, 28029 Madrid, Madrid, Spain
- Instituto de Investigación Sanitaria y Biomédica de Alicante (ISABIAL), 03010 Alicante, Alicante, Spain
| | - Araceli Díaz-Ruiz
- Departamento de Neuroquímica, Instituto Nacional de Neurología y Neurocirugía “Manuel Velasco Suárez”, Ciudad de México 14269, Mexico
| | - Ricardo Pérez-Pastén-Borja
- Laboratorio de Toxicología Molecular, Departamento de Farmacia, Escuela Nacional de Ciencias Biológicas, Instituto Politécnico Nacional, Ciudad de México 07738, Mexico;
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Horowitz RI, Fallon J, Freeman PR. Combining Double-Dose and High-Dose Pulsed Dapsone Combination Therapy for Chronic Lyme Disease/Post-Treatment Lyme Disease Syndrome and Co-Infections, Including Bartonella: A Report of 3 Cases and a Literature Review. Microorganisms 2024; 12:909. [PMID: 38792737 PMCID: PMC11124288 DOI: 10.3390/microorganisms12050909] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2024] [Revised: 04/03/2024] [Accepted: 04/22/2024] [Indexed: 05/26/2024] Open
Abstract
Three patients with relapsing and remitting borreliosis, babesiosis, and bartonellosis, despite extended anti-infective therapy, were prescribed double-dose dapsone combination therapy (DDDCT) for 8 weeks, followed by one or several two-week courses of pulsed high-dose dapsone combination therapy (HDDCT). We discuss these patients' cases to illustrate three important variables required for long-term remission. First, diagnosing and treating active co-infections, including Babesia and Bartonella were important. Babesia required rotations of multiple anti-malarial drug combinations and herbal therapies, and Bartonella required one or several 6-day HDDCT pulses to achieve clinical remission. Second, all prior oral, intramuscular (IM), and/or intravenous (IV) antibiotics used for chronic Lyme disease (CLD)/post-treatment Lyme disease syndrome (PTLDS), irrespective of the length of administration, were inferior in efficacy to short-term pulsed biofilm/persister drug combination therapy i.e., dapsone, rifampin, methylene blue, and pyrazinamide, which improved resistant fatigue, pain, headaches, insomnia, and neuropsychiatric symptoms. Lastly, addressing multiple factors on the 16-point multiple systemic infectious disease syndrome (MSIDS) model was important in achieving remission. In conclusion, DDDCT with one or several 6-7-day pulses of HDDCT, while addressing abnormalities on the 16-point MSIDS map, could represent a novel effective clinical and anti-infective strategy in CLD/PTLDS and associated co-infections including Bartonella.
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Affiliation(s)
- Richard I. Horowitz
- New York State Department of Health Tick-Borne Working Group, Albany, NY 12224, USA
- Hudson Valley Healing Arts Center, Hyde Park, NY 12538, USA; (J.F.); (P.R.F.)
| | - John Fallon
- Hudson Valley Healing Arts Center, Hyde Park, NY 12538, USA; (J.F.); (P.R.F.)
| | - Phyllis R. Freeman
- Hudson Valley Healing Arts Center, Hyde Park, NY 12538, USA; (J.F.); (P.R.F.)
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Kast RE. IPIAD- an augmentation regimen added to standard treatment of pancreatic ductal adenocarcinoma using already-marketed repurposed drugs irbesartan, pyrimethamine, itraconazole, azithromycin, and dapsone. Oncoscience 2024; 11:15-31. [PMID: 38524376 PMCID: PMC10959018 DOI: 10.18632/oncoscience.594] [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: 10/30/2023] [Accepted: 01/01/2024] [Indexed: 03/26/2024] Open
Abstract
This short note presents the data and rationale for adding five generic non-oncology drugs from general medical practice to gemcitabine, nab-paclitaxel, a current standard cytotoxic chemotherapy of pancreatic ductal adenocarcinoma. The regimen, called IPIAD, uses an angiotensin receptor blocker (ARB) irbesartan indicated for treating hypertension, an old antimicrobial drug pyrimethamine indicated for treating toxoplasmosis or malaria, an old antifungal drug itraconazole, an old broad spectrum antibiotic azithromycin and an old antibiotic dapsone. In reviewing selected growth driving systems active in pancreatic ductal adenocarcinoma then comparing these with detailed data on ancillary attributes of the IPIAD drugs, one can predict clinical benefit and slowing growth of pancreatic ductal adenocarcinoma by this augmentation regimen.
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Grijalva-Otero I, Doncel-Pérez E. Traumatic Human Spinal Cord Injury: Are Single Treatments Enough to Solve the Problem? Arch Med Res 2024; 55:102935. [PMID: 38157747 DOI: 10.1016/j.arcmed.2023.102935] [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: 07/03/2023] [Revised: 10/17/2023] [Accepted: 12/11/2023] [Indexed: 01/03/2024]
Abstract
Traumatic spinal cord injury (SCI) results in partial or complete motor deficits, such as paraplegia, tetraplegia, and sphincter control, as well as sensory disturbances and autonomic dysregulation such as arterial hypotension, lack of sweating, and alterations in skin lability. All this has a strong psychological impact on the affected person and his/her family, as well as costs to healthcare institutions with an economic burden in the short, medium, and long terms. Despite at least forty years of experimental animal studies and several clinical trials with different therapeutic strategies, effective therapy is not universally accepted. Most of the published works on acute and chronic injury use a single treatment, such as medication, trophic factor, transplant of a cell type, and so on, to block some secondary injury mechanisms or promote some mechanisms of structural/functional restoration. However, despite significant results in experimental models, the outcome is a moderate improvement in muscle strength, sensation, or eventually in sphincter control, which has been considered non-significant in human clinical trials. Here we present a brief compilation of successful individual treatments that have been applied to secondary mechanisms of action. These studies show limited neuroprotective or neurorestorative approaches in animal models and clinical trials. Thus, the few benefits achieved so far represent a rationale to further explore other strategies that seek better structural and functional restoration of the injured spinal cord.
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Affiliation(s)
- Israel Grijalva-Otero
- Medical Research Unit for Neurological Diseases, Unidad Médica de Alta Especialidad, Hospital de Especialidades, Centro Médico Nacional Siglo XXI, Instituto Mexicano del Seguro Social, Mexico City, Mexico.
| | - Ernesto Doncel-Pérez
- Neural Regeneration Group, Hospital Nacional de Parapléjicos de Toledo, Servicios de Salud de Castilla-La Mancha, Toledo, Spain
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Ke D, Zhang Z, Liu J, Chen P, Dai Y, Sun X, Chu Y, Li L. RIPK1 and RIPK3 inhibitors: potential weapons against inflammation to treat diabetic complications. Front Immunol 2023; 14:1274654. [PMID: 37954576 PMCID: PMC10639174 DOI: 10.3389/fimmu.2023.1274654] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2023] [Accepted: 10/05/2023] [Indexed: 11/14/2023] Open
Abstract
Diabetes mellitus is a metabolic disease that is characterized by chronic hyperglycemia due to a variety of etiological factors. Long-term metabolic stress induces harmful inflammation leading to chronic complications, mainly diabetic ophthalmopathy, diabetic cardiovascular complications and diabetic nephropathy. With diabetes complications being one of the leading causes of disability and death, the use of anti-inflammatories in combination therapy for diabetes is increasing. There has been increasing interest in targeting significant regulators of the inflammatory pathway, notably receptor-interacting serine/threonine-kinase-1 (RIPK1) and receptor-interacting serine/threonine-kinase-3 (RIPK3), as drug targets for managing inflammation in treating diabetes complications. In this review, we aim to provide an up-to-date summary of current research on the mechanism of action and drug development of RIPK1 and RIPK3, which are pivotal in chronic inflammation and immunity, in relation to diabetic complications which may be benefit for explicating the potential of selective RIPK1 and RIPK3 inhibitors as anti-inflammatory therapeutic agents for diabetic complications.
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Affiliation(s)
- Dan Ke
- College of Life Sciences, Mudanjiang Medical University, Mudanjiang, China
- Heilongjiang Key Laboratory of Tissue Damage and Repair, Mudanjiang Medical University, Mudanjiang, China
| | - Zhen Zhang
- Heilongjiang Key Laboratory of Tissue Damage and Repair, Mudanjiang Medical University, Mudanjiang, China
- School of First Clinical Medical College, Mudanjiang Medical University, Mudanjiang, China
| | - Jieting Liu
- College of Life Sciences, Mudanjiang Medical University, Mudanjiang, China
- Heilongjiang Key Laboratory of Tissue Damage and Repair, Mudanjiang Medical University, Mudanjiang, China
| | - Peijian Chen
- College of Life Sciences, Mudanjiang Medical University, Mudanjiang, China
- Heilongjiang Key Laboratory of Tissue Damage and Repair, Mudanjiang Medical University, Mudanjiang, China
| | - Yucen Dai
- College of Life Sciences, Mudanjiang Medical University, Mudanjiang, China
- Heilongjiang Key Laboratory of Tissue Damage and Repair, Mudanjiang Medical University, Mudanjiang, China
| | - Xinhai Sun
- Department of Thoracic Surgery, Union Hospital, Fujian Medical University, Fuzhou, China
| | - Yanhui Chu
- Heilongjiang Key Laboratory of Tissue Damage and Repair, Mudanjiang Medical University, Mudanjiang, China
| | - Luxin Li
- College of Life Sciences, Mudanjiang Medical University, Mudanjiang, China
- Heilongjiang Key Laboratory of Tissue Damage and Repair, Mudanjiang Medical University, Mudanjiang, China
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Kast RE. The OSR9 Regimen: A New Augmentation Strategy for Osteosarcoma Treatment Using Nine Older Drugs from General Medicine to Inhibit Growth Drive. Int J Mol Sci 2023; 24:15474. [PMID: 37895152 PMCID: PMC10607234 DOI: 10.3390/ijms242015474] [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: 09/23/2023] [Revised: 10/13/2023] [Accepted: 10/19/2023] [Indexed: 10/29/2023] Open
Abstract
As things stand in 2023, metastatic osteosarcoma commonly results in death. There has been little treatment progress in recent decades. To redress the poor prognosis of metastatic osteosarcoma, the present regimen, OSR9, uses nine already marketed drugs as adjuncts to current treatments. The nine drugs in OSR9 are: (1) the antinausea drug aprepitant, (2) the analgesic drug celecoxib, (3) the anti-malaria drug chloroquine, (4) the antibiotic dapsone, (5) the alcoholism treatment drug disulfiram, (6) the antifungal drug itraconazole, (7) the diabetes treatment drug linagliptin, (8) the hypertension drug propranolol, and (9) the psychiatric drug quetiapine. Although none are traditionally used to treat cancer, all nine have attributes that have been shown to inhibit growth-promoting physiological systems active in osteosarcoma. In their general medicinal uses, all nine drugs in OSR9 have low side-effect risks. The current paper reviews the collected data supporting the role of OSR9.
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Calderón-Estrella F, Franco-Bourland RE, Rios C, de Jesús-Nicolás D, Pineda B, Méndez-Armenta M, Mata-Bermúdez A, Diaz-Ruiz A. Early treatment with dapsone after spinal cord injury in rats decreases the inflammatory response and promotes long-term functional recovery. Heliyon 2023; 9:e14687. [PMID: 37009237 PMCID: PMC10060111 DOI: 10.1016/j.heliyon.2023.e14687] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2022] [Revised: 03/01/2023] [Accepted: 03/15/2023] [Indexed: 03/29/2023] Open
Abstract
Failure of therapeutic strategies for the management and recovery from traumatic spinal cord injury (SCI) is a serious concern. Dapsone (DDS) has been reported as a neuroprotective drug after SCI, although the phase after SC damage (acute or chronic) of its major impact on functional recovery has yet to be defined. Here, we evaluated DDS acute-phase anti-inflammatory effects and their impact on early functional recovery, one week after moderate SCI, and late functional recovery, 7 weeks thereafter. Female Wistar rats were randomly assigned to each of five experimental groups: sham group; four groups of rats with SCI, treated with DDS (0, 12.5, 25.0, and 37.5 mg/kg ip), starting 3 h after injury. Plasma levels of GRO/KC, and the number of neutrophils and macrophages in cell suspensions from tissue taken at the site of injury were measured as inflammation biomarkers. Hindlimb motor function of injured rats given DDS 12.5 and 25.0 mg/kg daily for 8 weeks was evaluated on the BBB open-field ordinal scale. Six hours after injury all DDS doses decreased GRO/KC plasma levels; 24 h after injury, neutrophil numbers decreased with DDS doses of 25.0 and 37.5 mg/kg; macrophage numbers decreased only at the 37.5 mg/kg dose. In the acute phase, functional recovery was dose-dependent. Final recovery scores were 57.5 and 106.2% above the DDS-vehicle treated control group, respectively. In conclusion, the acute phase dose-dependent anti-inflammatory effects of DDS impacted early motor function recovery affecting final recovery at the end of the study.
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Affiliation(s)
- Francisco Calderón-Estrella
- Posgrado en Ciencias Biológicas de la Facultad de Ciencias, Universidad Nacional Autónoma de México, Ciudad de México, 04369, Mexico
| | | | - Camilo Rios
- Instituto Nacional de Rehabilitación Luis Guillermo Ibarra Ibarra, Ciudad de México, 14389, Mexico
- Laboratorio de Neurofarmacología Molecular, Universidad Autónoma Metropolitana Xochimilco, Ciudad de México, 04960, Mexico
| | - Diana de Jesús-Nicolás
- Departamento de Neuroquímica, Instituto Nacional de Neurología y Neurocirugía Manuel Velasco Suárez, Ciudad de México, 14269, Mexico
| | - Benjamín Pineda
- Laboratorio de Neuroinmunología, Instituto Nacional de Neurología y Neurocirugía Manuel Velasco Suárez, Ciudad de México, 14269, Mexico
| | - Marisela Méndez-Armenta
- Departamento de Neuroquímica, Instituto Nacional de Neurología y Neurocirugía Manuel Velasco Suárez, Ciudad de México, 14269, Mexico
| | - Alfonso Mata-Bermúdez
- Departamento de Neuroquímica, Instituto Nacional de Neurología y Neurocirugía Manuel Velasco Suárez, Ciudad de México, 14269, Mexico
| | - Araceli Diaz-Ruiz
- Departamento de Neuroquímica, Instituto Nacional de Neurología y Neurocirugía Manuel Velasco Suárez, Ciudad de México, 14269, Mexico
- Corresponding author.
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Ríos C, Aguirre-Aranda I, Avendaño-Estrada A, Ángel Ávila-Rodríguez M, Manjarrez-Marmolejo J, Franco-Pérez J, Islas-Cortez M, Ruiz-Diaz A, Méndez-Armenta M, Diaz-Ruiz A. Characterization of the anticonvulsant effect of dapsone on metabolic activity assessed by [ 18F]FDG -PET after kainic acid-induced status epilepticus in rats. Brain Res 2023; 1803:148227. [PMID: 36592802 DOI: 10.1016/j.brainres.2022.148227] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2022] [Revised: 12/28/2022] [Accepted: 12/29/2022] [Indexed: 12/31/2022]
Abstract
BACKGROUND Development of effective drugs for epilepsy are needed, as nearly 30 % of epileptic patients, are resistant to current treatments. This study is aimed to characterize the anticonvulsant effect of dapsone (DDS), in the kainic acid (KA)-induced Status Epilepticus (SE) by recording the brain metabolic activity with an [18F]FDG-PET analysis. METHODS Wistar rats received KA (10 mg/kg, i.p., single dose) to produce sustained seizures. [18F]FDG-PET and electroencephalographic (EEG) studies were then performed. DDS or vehicle were administered 30 min before KA. [18F]FDG uptake and EEG were evaluated at baseline, 2 and 25 h after KA injection. Likewise, caspase-8, 3 hippocampal activities and Fluoro-Jade B neuronal degeneration and Hematoxylin-eosin staining were measured 25 h after KA. RESULTS PET data evaluated at 2 h showed hyper-uptake of [18F]FDG in the control group, which was decreased by DDS. At 25 h, hypo-uptake was observed in the control group and higher values due to DDS effect. EEG spectral power was increased 2 h after KA administration in the control group during the generalized tonic-clonic seizures, which was reversed by DDS, correlated with [18F]FDG-PET uptake changes. The values of caspases-8 activity decreased 48 and 43 % vs control group in the groups treated with DDS (12.5 y 25 mg/kg respectively), likewise; caspase-3 activity diminished by 57 and 53 %. Fewer degenerated neurons were observed due to DDS treatments. CONCLUSIONS This study pinpoints the anticonvulsant therapeutic potential of DDS. Given its safety and effectiveness, DDS may be a viable alternative for patients with drug-resistant epilepsy.
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Affiliation(s)
- Camilo Ríos
- Departamento de Neuroquímica Instituto Nacional de Neurología y Neurocirugía Manuel Velasco Suárez,14269 Ciudad de México, Mexico; Laboratorio de Neurofarmacología Molecular, Universidad Autónoma Metropolitana Xochimilco,04960 Ciudad de México, Mexico
| | - Iñigo Aguirre-Aranda
- Departamento de Neuroquímica Instituto Nacional de Neurología y Neurocirugía Manuel Velasco Suárez,14269 Ciudad de México, Mexico
| | - Arturo Avendaño-Estrada
- Unidad Radiofarmacia-Ciclotrón, División de Investigación, Facultad de Medicina, Universidad Nacional Autónoma de México, 04510 Ciudad de México, Mexico
| | - Miguel Ángel Ávila-Rodríguez
- Unidad Radiofarmacia-Ciclotrón, División de Investigación, Facultad de Medicina, Universidad Nacional Autónoma de México, 04510 Ciudad de México, Mexico
| | - Joaquín Manjarrez-Marmolejo
- Laboratorio de Fisiología de la Formación Reticular, Instituto Nacional de Neurología y Neurocirugía Manuel Velasco Suárez, 14269 Ciudad de México. Mexico
| | - Javier Franco-Pérez
- Laboratorio de Fisiología de la Formación Reticular, Instituto Nacional de Neurología y Neurocirugía Manuel Velasco Suárez, 14269 Ciudad de México. Mexico
| | - Marcela Islas-Cortez
- Doctorado en Ciencias Químico Biológicas, Escuela Nacional de Ciencias Biológicas, Instituto Politécnico Nacional, Ciudad de México, Mexico
| | - Amairani Ruiz-Diaz
- Departamento de Neuroquímica Instituto Nacional de Neurología y Neurocirugía Manuel Velasco Suárez,14269 Ciudad de México, Mexico
| | - Marisela Méndez-Armenta
- Departamento de Neuroquímica Instituto Nacional de Neurología y Neurocirugía Manuel Velasco Suárez,14269 Ciudad de México, Mexico
| | - Araceli Diaz-Ruiz
- Departamento de Neuroquímica Instituto Nacional de Neurología y Neurocirugía Manuel Velasco Suárez,14269 Ciudad de México, Mexico.
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Shayesteh S, Khalilzadeh M, Takzaree N, Dehpour AR. Dapsone improves the vincristine-induced neuropathic nociception by modulating neuroinflammation and oxidative stress. Daru 2022; 30:303-310. [PMID: 36104653 PMCID: PMC9715892 DOI: 10.1007/s40199-022-00448-6] [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: 03/07/2022] [Accepted: 08/10/2022] [Indexed: 10/14/2022] Open
Abstract
BACKGROUND Peripheral neuropathy is a dose-limiting adverse effect of vincristine (VCR) in cancer chemotherapies. Dapsone is commonly used for the prevention of opportunistic infections following cancer therapies. Therefore, a high rate of VCR and dapsone co-administration has occurred in leukemias. Recently neuroprotective effects of dapsone have been reported in various diseases. OBJECTIVES Regarding the physiopathology of VCR-induced peripheral neuropathy (VIPN) and dapsone neuroprotection, this study evaluated the effect of dapsone on VIPN. METHODS VIPN was induced by VCR injection (0.5 mg/kg IP, every other day, 1 week) in male Wistar rats. In the treatment group, dapsone(12.5 mg/kg IP, 1 week) was injected 30 min before VCR. Hot plate, Von Frey, motor neuron conduction velocity (MNCV), and histopathological tests were applied. The levels of TNF-α and NF-kB in the sciatic nerve and caspase-3 activity in dorsal root ganglion were measured by the ELISA method. The levels of malondialdehyde (MDA) and Glutathione (GSH) in the sciatic nerve were measured by spectrophotometry and colorimetric assays. RESULTS VIPN was observed as araised thermal and mechanical threshold, reduced MNCV, and sciatic nerve demyelination. However, dapsone reduced the mechanical and thermal threshold and improved the MNCV. Also, dapsone reduced TNF-α, NF-kB, MDA, and Caspase-3 activity, and increased the GSH level in the sciatic nerve. Moreover, dapsone prevented VCR-induced demyelination in the sciatic nerve. CONCLUSION This research demonstrated that dapsone could be used as a protective drug against VIPN. It improves the impaired thermal and mechanical sensations by reducing inflammatory, oxidant, and apoptosis factors and preventing demyelination in the sciatic nerve.
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Affiliation(s)
- Sevda Shayesteh
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Alborz University of Medical Sciences, Karaj, Iran
- Experimental Medicine Research Center, Tehran University of Medical Sciences, Tehran, Iran
| | - Mina Khalilzadeh
- Experimental Medicine Research Center, Tehran University of Medical Sciences, Tehran, Iran
| | - Nasrin Takzaree
- Department of Anatomy and Medicinal Plants Research Center, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Ahmad Reza Dehpour
- Experimental Medicine Research Center, Tehran University of Medical Sciences, Tehran, Iran.
- Department of Pharmacology, School of Medicine, Tehran University of Medical Sciences, P.O. Box 13145-784, Tehran, Iran.
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