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Velcicky J, Bauer MR, Schlapbach A, Lapointe G, Meyer A, Vögtle M, Blum E, Ngo E, Rolando C, Nimsgern P, Teixeira-Fouchard S, Lehmann H, Furet P, Berst F, Schümann J, Stringer R, Larger P, Schmid C, Prendergast CT, Riek S, Schmutz P, Lehmann S, Berghausen J, Scheufler C, Rondeau JM, Burkhart C, Knoepfel T, Gommermann N. Discovery and In Vivo Exploration of 1,3,4-Oxadiazole and α-Fluoroacrylate Containing IL-17 Inhibitors. J Med Chem 2024; 67:16692-16711. [PMID: 39276085 DOI: 10.1021/acs.jmedchem.4c01520] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/16/2024]
Abstract
IL-17, a pro-inflammatory cytokine produced mainly by Th17 cells, is involved in the immune response to fungal and bacterial infections, whereas its aberrant production is associated with autoimmune and inflammatory diseases. IL-17 blocking antibodies like secukinumab (Cosentyx) have been developed and are used to treat conditions like psoriasis, psoriatic arthritis, and ankylosing spondylitis. Recently, the low molecular weight IL-17 inhibitor LY3509754 entered the clinic but was discontinued in Phase 1 due to adverse effects. In this study, we explored the replacements of furazan moiety posing a potential toxicology risk in LY3509754. By exploring replacements such as heterocycles as amide-isosteres as well as α-F-acrylamides, two compounds (18 and 26) were identified. Both compounds effectively reduced knee swelling in a rat arthritis model. However, early rat and dog toxicity studies revealed adverse findings, preventing their further development and indicating that furazan might not be responsible for the adverse effects of LY3509754.
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Affiliation(s)
- Juraj Velcicky
- Novartis Biomedical Research, Basel CH-4002, Switzerland
| | | | | | | | - Arndt Meyer
- Novartis Biomedical Research, Basel CH-4002, Switzerland
| | - Markus Vögtle
- Novartis Biomedical Research, Basel CH-4002, Switzerland
| | - Ernst Blum
- Novartis Biomedical Research, Basel CH-4002, Switzerland
| | - Estelle Ngo
- Novartis Biomedical Research, Basel CH-4002, Switzerland
| | | | | | | | | | - Pascal Furet
- Novartis Biomedical Research, Basel CH-4002, Switzerland
| | - Frédéric Berst
- Novartis Biomedical Research, Basel CH-4002, Switzerland
| | - Jens Schümann
- Novartis Biomedical Research, Basel CH-4002, Switzerland
| | - Rowan Stringer
- Novartis Biomedical Research, Basel CH-4002, Switzerland
| | - Patrice Larger
- Novartis Biomedical Research, Basel CH-4002, Switzerland
| | - Cindy Schmid
- Novartis Biomedical Research, Basel CH-4002, Switzerland
| | | | - Simone Riek
- Novartis Biomedical Research, Basel CH-4002, Switzerland
| | | | - Sylvie Lehmann
- Novartis Biomedical Research, Basel CH-4002, Switzerland
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Soni B, Shivgotra R, Trehan K, Chhina A, Saini M, Jain SK, Thakur S. An Overview of Contemporary and Future Therapeutic Strategies for Scalp Psoriasis. Curr Drug Targets 2024; 25:353-373. [PMID: 38500274 DOI: 10.2174/0113894501292755240304063020] [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: 11/14/2023] [Revised: 02/06/2024] [Accepted: 02/12/2024] [Indexed: 03/20/2024]
Abstract
Scalp psoriasis is a common manifestation of psoriasis that significantly impacts a patient's quality of life. About 80% of cases of psoriasis involve the scalp, making it the most frequently affected area of the body. The treatment of scalp psoriasis is particularly crucial because of its hard-to-treat nature and substantial adverse impacts on overall well-being. Along with the physical symptoms of discomfort and itching, psoriasis, especially when it affects the scalp, can cause severe psychological damage. Treating scalp psoriasis can be challenging due to its location and associated symptoms, such as scaling and pruritus, which is why various drugs have become widely used for refractory cases. Topical treatments like corticosteroids and vitamin D analogs manage scalp psoriasis by reducing inflammation and regulating skin cell growth. Tar-based shampoos, salicylic acid solutions, and moisturizers control scaling. Phototherapy with UVB light reduces inflammation. Severe cases may require systemic medications such as oral retinoids and immunosuppressants. While various therapies are accessible for scalp psoriasis, concerns arise due to their limited advantages and the absence of controlled studies assessing their effectiveness. Considering these challenges, there is a clear demand for innovative approaches to address this condition effectively. Recent advancements in topical therapies, phototherapy, systemic agents, and complementary therapies have shown promising results in managing scalp psoriasis. Also, the advent of biologics, specifically anti-IL-17 and anti-IL-23 drugs for scalp psoriasis, has seen significant improvements. The review highlights the lack of well-tolerated and effective treatments for scalp psoriasis and underscores the importance of further research in this area. The objective of this review is to clarify the different treatment options currently available or being investigated in clinical trials for managing scalp psoriasis.
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Affiliation(s)
- Bindu Soni
- Department of Pharmaceutical Sciences, Guru Nanak Dev University, Amritsar, Punjab, 143005, India
| | - Riya Shivgotra
- Department of Pharmaceutical Sciences, Guru Nanak Dev University, Amritsar, Punjab, 143005, India
| | - Karan Trehan
- Department of Pharmaceutical Sciences, Guru Nanak Dev University, Amritsar, Punjab, 143005, India
| | - Aashveen Chhina
- Department of Pharmaceutical Sciences, Guru Nanak Dev University, Amritsar, Punjab, 143005, India
| | - Muskaan Saini
- Department of Pharmaceutical Sciences, Guru Nanak Dev University, Amritsar, Punjab, 143005, India
| | - Subheet Kumar Jain
- Department of Pharmaceutical Sciences, Guru Nanak Dev University, Amritsar, Punjab, 143005, India
- Centre for Basic and Translational Research in Health Sciences, Guru Nanak Dev University, Amritsar, 143005, India
| | - Shubham Thakur
- Department of Pharmaceutical Sciences, Guru Nanak Dev University, Amritsar, Punjab, 143005, India
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Mukherjee I, Singh S, Karmakar A, Kashyap N, Mridha AR, Sharma JB, Luthra K, Sharma RS, Biswas S, Dhar R, Karmakar S. New immune horizons in therapeutics and diagnostic approaches to Preeclampsia. Am J Reprod Immunol 2023; 89:e13670. [PMID: 36565013 DOI: 10.1111/aji.13670] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2021] [Revised: 11/02/2022] [Accepted: 12/10/2022] [Indexed: 12/25/2022] Open
Abstract
Hypertensive disorders of pregnancy (HDP) are one of the commonest maladies, affecting 5%-10% of pregnancies worldwide. The American College of Obstetricians and Gynecologists (ACOG) identifies four categories of HDP, namely gestational hypertension (GH), Preeclampsia (PE), chronic hypertension (CH), and CH with superimposed PE. PE is a multisystem, heterogeneous disorder that encompasses 2%-8% of all pregnancy-related complications, contributing to about 9% to 26% of maternal deaths in low-income countries and 16% in high-income countries. These translate to 50 000 maternal deaths and over 500 000 fetal deaths worldwide, therefore demanding high priority in understanding clinical presentation, screening, diagnostic criteria, and effective management. PE is accompanied by uteroplacental insufficiency leading to vascular and metabolic changes, vasoconstriction, and end-organ ischemia. PE is diagnosed after 20 weeks of pregnancy in women who were previously normotensive or hypertensive. Besides shallow trophoblast invasion and inadequate remodeling of uterine arteries, dysregulation of the nonimmune system has been the focal point in PE. This results from aberrant immune system activation and imbalanced differentiation of T cells. Further, a failure of tolerance toward the semi-allogenic fetus results due to altered distribution of Tregs such as CD4+FoxP3+ or CD4+CD25+CD127(low) FoxP3+ cells, thereby creating a cytotoxic environment by suboptimal production of immunosuppressive cytokines like IL-10, IL-4, and IL-13. Also, intracellular production of complement protein C5a may result in decreased FoxP3+ regulatory T cells. With immune system dysfunction as a major driver in PE pathogenesis, it is logical that therapeutic targeting of components of the immune system with pharmacologic agents like anti-inflammatory and immune-modulating molecules are either being used or under clinical trial. Cholesterol synthesis inhibitors like Pravastatin may improve placental perfusion in PE, while Eculizumab (monoclonal antibody inhibiting C5) and small molecular inhibitor of C5a, Zilucoplan are under investigation. Monoclonal antibody against IL-17(Secukinumab) has been proposed to alter the Th imbalance in PE. Autologous Treg therapy and immune checkpoint inhibitors like anti-CTLA-4 are emerging as new candidates in immune horizons for PE management in the future.
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Affiliation(s)
- Indrani Mukherjee
- Department of Biochemistry, All India Institute of Medical Sciences, New Delhi, India.,Amity Institute of Biotechnology (AIB), Amity University, Noida, India
| | - Sunil Singh
- Department of Biochemistry, All India Institute of Medical Sciences, New Delhi, India
| | - Abhibrato Karmakar
- Department of Biochemistry, All India Institute of Medical Sciences, New Delhi, India
| | - Neha Kashyap
- Department of Biochemistry, All India Institute of Medical Sciences, New Delhi, India
| | - Asit Ranjan Mridha
- Department of Obstetrics & Gynaecology, All India Institute of Medical Sciences, New Delhi, India
| | - Jai Bhagwan Sharma
- Department of Pathology, All India Institute of Medical Sciences, New Delhi, India
| | - Kalpana Luthra
- Department of Biochemistry, All India Institute of Medical Sciences, New Delhi, India
| | - Radhey Shyam Sharma
- Ex-Head and Scientist G, Indian Council of Medical Research, New Delhi, India
| | - Subhrajit Biswas
- Amity Institute of Molecular Medicine & Stem Cell Research (AIMMSCR), Amity University, Noida, India
| | - Ruby Dhar
- Department of Biochemistry, All India Institute of Medical Sciences, New Delhi, India
| | - Subhradip Karmakar
- Department of Biochemistry, All India Institute of Medical Sciences, New Delhi, India
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Lin P, Zhang J, Xie G, Li J, Guo C, Lin H, Zhang Y. Innate Immune Responses to Sporothrix schenckii: Recognition and Elimination. Mycopathologia 2022; 188:71-86. [PMID: 36329281 DOI: 10.1007/s11046-022-00683-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2022] [Accepted: 09/24/2022] [Indexed: 11/06/2022]
Abstract
Sporothrix schenckii (S. schenckii), a ubiquitous thermally dimorphic fungus, is the etiological agent of sporotrichosis, affecting immunocompromised and immunocompetent individuals. Despite current antifungal regimens, sporotrichosis results in prolonged treatment and significant mortality rates in the immunosuppressed population. The innate immune system forms the host's first and primary line of defense against S. schenckii, which has a bi-layered cell wall structure. Many components act as pathogen-associated molecular patterns (PAMPs) in pathogen-host interactions. PAMPs are recognized by pattern recognition receptors (PRRs) such as toll-like receptors, C-type lectin receptors, and complement receptors, triggering innate immune cells such as neutrophils, macrophages, and dendritic cells to phagocytize or produce mediators, contributing to S. schenckii elimination. The ultrastructure of S. schenckii and pathogen-host interactions, including PRRs and innate immune cells, are summarized in this review, promoting a better understanding of the innate immune response to S. schenckii and aiding in the development of protective and therapeutic strategies to combat sporotrichosis.
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Affiliation(s)
- Peng Lin
- Graduate School, Tianjin University of Traditional Chinese Medicine, Tianjin, China
| | - Jianfeng Zhang
- Graduate School, Tianjin University of Traditional Chinese Medicine, Tianjin, China
| | - Guinan Xie
- Department of Traditional Chinese Medicine, First Affiliated Hospital of Gannan Medical University, Ganzhou, China
| | - Junchen Li
- Graduate School, Tianjin University of Traditional Chinese Medicine, Tianjin, China
| | - Chenqi Guo
- Graduate School, Tianjin University of Traditional Chinese Medicine, Tianjin, China
| | - Haiyue Lin
- Graduate School, Tianjin Medical University, Tianjin, China
| | - Yu Zhang
- Department of Dermatology, Tianjin Academy of Traditional Chinese Medicine Affiliated Hospital, Tianjin, China.
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Critical Players and Therapeutic Targets in Chronic Itch. Int J Mol Sci 2022; 23:ijms23179935. [PMID: 36077340 PMCID: PMC9456029 DOI: 10.3390/ijms23179935] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2022] [Revised: 08/28/2022] [Accepted: 08/29/2022] [Indexed: 12/04/2022] Open
Abstract
Chronic itch is one of the most prominent clinical characteristics of diverse systematic diseases. It is a devastating sensation in pathological diseases. Despite its importance, there are no FDA-labelled drugs specifically geared toward chronic itch. The associated complex pathogenesis and diverse causes escalate chronic itch to being one of the top challenges in healthcare. Humanized antibodies against IL-13, IL-4, and IL-31 proved effective in treatment of itch-associated atopic dermatitis but remain to be validated in chronic itch. There are still no satisfactory anti-itch therapeutics available toward itch-related neuropeptides including GRP, BNP, SST, CGRP, and SP. The newly identified potential itch targets including OSM, NMB, glutamate, periostin, and Serpin E1 have opened new avenues for therapeutic development. Proof-of-principle studies have been successfully performed on antagonists against these proteins and their receptors in itch treatment in animal models. Their translational interventions in humans need to be evaluated. It is of great importance to summarize and compare the newly emerging knowledge on chronic itch and its pathways to promote the development of novel anti-itch therapeutics. The goal of this review is to analyze the different physiologies and pathophysiologies of itch mediators, whilst assessing their suitability as new targets and discussing future therapeutic development.
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Natesan V, Kim SJ. Metabolic Bone Diseases and New Drug Developments. Biomol Ther (Seoul) 2022; 30:309-319. [PMID: 35342038 PMCID: PMC9252877 DOI: 10.4062/biomolther.2022.007] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2022] [Revised: 03/03/2022] [Accepted: 03/05/2022] [Indexed: 11/05/2022] Open
Abstract
Metabolic bone diseases are serious health issues worldwide, since several million individuals over the age of 50 are at risk of bone damage and should be worried about their bone health. One in every two women and one in every four men will break a bone during their lifetime due to a metabolic bone disease. Early detection, raising bone health awareness, and maintaining a balanced healthy diet may reduce the risk of skeletal fractures caused by metabolic bone diseases. This review compiles information on the most common metabolic bone diseases (osteoporosis, primary hyperparathyroidism, osteomalacia, and fluorosis disease) seen in the global population, including their symptoms, mechanisms, and causes, as well as discussing their prevention and the development of new drugs for treatment. A large amount of research literature suggests that balanced nutrition and balanced periodic supplementation of calcium, phosphate, and vitamin D can improve re-absorption and the regrowth of bones, and inhibit the formation of skeletal fractures, except in the case of hereditary bone diseases. Meanwhile, new and improved drug formulations, such as raloxifene, teriparatide, sclerostin, denosumab, and abaloparatide, have been successfully developed and administered as treatments for metabolic bone diseases, while others (romososumab and odanacatib) are in various stages of clinical trials.
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Affiliation(s)
- Vijayakumar Natesan
- Department of Biochemistry and Biotechnology, Faculty of Science, Annamalai University, Annamalainagar 608002, Tamil Nadu, India
| | - Sung-Jin Kim
- Department of Pharmacology and Toxicology, Metabolic Diseases Research Laboratory, School of Dentistry, Kyung Hee University, Seoul 02447, Republic of Korea
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Erythrodermic psoriasis and palmoplantar hyperkeratosis successfully treated with secukinumab: a case report. Drug Target Insights 2022; 16:1-5. [PMID: 35309848 PMCID: PMC8902433 DOI: 10.33393/dti.2022.2355] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2021] [Accepted: 02/23/2022] [Indexed: 01/17/2023] Open
Abstract
Introduction: Erythrodermic psoriasis (EP) is a rare and severe form of psoriasis that affects 1% to 2.25% of patients, increasing mortality risk. To date, very few therapies have been approved for the treatment of this condition. Recently, biological therapies that specifically target inflammatory cytokines have improved the management and treatment of EP. Secukinumab, a human monoclonal antibody that specifically targets interleukin-17A (IL-17A), has been shown to be beneficial in different psoriasis settings. Methods: We report the case of a 72-year-old man affected by persistent EP and severe palmoplantar hyperkeratosis whose condition was not resolved after two rounds of treatment with prednisone and therapy with cyclosporine. Results and conclusions: Treatment with secukinumab significantly improved the symptoms of palmoplantar hyperkeratosis as early as the first week, with a decrease of psoriasis area and severity index (PASI) score from 60 to 10, showing almost complete remission after 1 month. Consistent with the current literature, secukinumab treatment showed promising and encouraging clinical outcomes in the treatment of the patient’s EP. However, more studies are needed to clarify the IL-17-dependent mechanism in the pathophysiology of EP.
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Libon F, Lebas E, De Schaetzen V, Sabatiello M, De Schepper S, Nikkels AF. Biologicals for moderate-to-severe plaque type psoriasis in pediatric patients. Expert Rev Clin Immunol 2021; 17:947-955. [PMID: 34328370 DOI: 10.1080/1744666x.2021.1958675] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
INTRODUCTION Psoriasis affects around 2% of children in Europe. The majority of cases is readily managed with topical treatments using corticosteroids without or with calcipotriol. More resistant and extensive moderate-to-severe cases require UVA or UVB phototherapies or conventional systemic treatment including ciclosporin, acitretin and methotrexate. However, these therapies are associated with a low tolerability and potential cumulative long-term adverse effects and toxicities. AREAS COVERED About 15 years ago, the first biological appeared for the treatment of moderate-to-severe plaque type psoriasis in adult patients. Several years later, the first biologic treatment to be approved in children was etanercept, a soluble receptor that binds both tumor necrosis factor (TNF)-α and β followed by adalimumab, a monoclonal antibody against TNF-α, and currently by ustekinumab, a monoclonal IL12/23 p40 antagonist and, very recently, secukinumab and ixekizumab, both IL17 antagonists. All these biologic treatments brought significantly improved treatment results compared to light-based therapies and conventional treatments and present very good tolerance and safety profiles. EXPERT OPINION Due to their excellent efficacy and safety profiles ustekinumab, secukinumab and ixekizumab could currently be considered as a first-line treatment options for moderate-to-severe childhood and adolescent psoriasis requiring a systemic treatment.
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Affiliation(s)
- Florence Libon
- Department of Dermatology, CHU Du Sart Tilman, University of Liège, Liège, Belgium
| | - Eve Lebas
- Department of Dermatology, CHU Du Sart Tilman, University of Liège, Liège, Belgium
| | | | | | - Sofie De Schepper
- Department of Dermatology, University Hospital of Gent, Gent, Belgium
| | - Arjen F Nikkels
- Department of Dermatology, CHU Du Sart Tilman, University of Liège, Liège, Belgium
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Meitei HT, Jadhav N, Lal G. CCR6-CCL20 axis as a therapeutic target for autoimmune diseases. Autoimmun Rev 2021; 20:102846. [PMID: 33971346 DOI: 10.1016/j.autrev.2021.102846] [Citation(s) in RCA: 93] [Impact Index Per Article: 31.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Revised: 03/15/2021] [Accepted: 03/23/2021] [Indexed: 12/11/2022]
Abstract
Chemokine receptor CCR6 is expressed on various cells such as B cells, immature dendritic cells, innate lymphoid cells (ILCs), regulatory CD4 T cells, and Th17 cells. CCL20 is the only known high-affinity ligand that binds to CCR6 and drives CCR6+ cells' migration in tissues. CCL20 is mainly produced by epithelial cells, and its expression is increased by several folds under inflammatory conditions. Genome-wide association studies (GWAS) in patients with inflammatory bowel disease (IBD), psoriasis (PS), rheumatoid arthritis (RA), and multiple sclerosis (MS) showed a very strong correlation between the expression of CCR6 and disease severity. It has been shown that disruption of CCR6-CCL20 interaction by using antibodies or antagonists prevents the migration of CCR6 expressing immune cells at the site of inflammation and reduces the severity of the disease. This review discussed the importance of the CCR6-CCL20 axis in IBD, PS, RA, and MS, and recent advances in targeting the CCR6-CCL20 in controlling these autoimmune diseases.
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Affiliation(s)
| | - Nandadeep Jadhav
- National Centre for Cell Science, Ganeshkhind, Pune MH-411007, India
| | - Girdhari Lal
- National Centre for Cell Science, Ganeshkhind, Pune MH-411007, India.
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