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Uchiyama A, Kosaka K, Ishikawa M, Inoue Y, Motegi SI. Real-world effectiveness and safety of abrocitinib in 12 Japanese patients with atopic dermatitis and transcriptome analysis with peripheral blood. J Dermatol 2024; 51:849-853. [PMID: 38433352 DOI: 10.1111/1346-8138.17173] [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: 11/12/2023] [Revised: 02/11/2024] [Accepted: 02/13/2024] [Indexed: 03/05/2024]
Abstract
Atopic dermatitis (AD) is a common chronic inflammatory skin disease characterized by recurrent, pruritic, and localized eczema. Various types of new drugs have been recently investigated for treating AD. The efficacy and safety of abrocitinib in treating AD has been reported in clinical trials, but the real-world data from Japan has not been reported. Herein, we analyzed 12 Japanese patients with AD treated with 100 mg of abrocitinib using our real-world data. We also performed transcriptome analysis with peripheral blood to investigate the effects of abrocitinib on cytokine expressions and inflammatory pathways in AD from three patients. This study included patients with moderate to severe AD treated with abrocitinib at Gunma University Hospital, Japan. All patients were systemic treatment-naïve. All patients received a 100-mg dose of abrocitinib daily, and used strong or very strong topical steroids and moisturizers. The Eczema Area and Severity Index (EASI) response analysis revealed that after 4 weeks, 25% (three of 12) of the cases reached a 75% reduction in the EASI score (EASI-75) and a 90% reduction in the EASI score (EASI-90). After 12 weeks, 83.3.% (10 of 12), 41.6% (five of 12), and 16.7% (two of 12) of the patients reached EASI-50, a 75% reduction in the EASI score (EASI-75), and EASI-90. Peak Pruritus Numerical Rating Scale was achieved in nine patients (75%) at week 12. The most frequent adverse reaction was acne (six cases [50%]). Gene Ontology pathway analysis using Differentially expressed genes from RNA sequencing analysis revealed attenuation of defense responses to biotic stimulus, virus, and cytokines. Th2 cytokine expression was not suppressed, but several chemokines, especially CXCL1, were suppressed by abrocitinib treatment. Our results indicate abrocitinib as a fast-acting and highly antipruritic agent that is effective for moderate skin eruptions.
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Affiliation(s)
- Akihiko Uchiyama
- Department of Dermatology, Gunma University Graduate School of Medicine, Maebashi, Gunma, Japan
| | - Keiji Kosaka
- Department of Dermatology, Gunma University Graduate School of Medicine, Maebashi, Gunma, Japan
| | - Mai Ishikawa
- Department of Dermatology, Gunma University Graduate School of Medicine, Maebashi, Gunma, Japan
| | - Yuta Inoue
- Department of Dermatology, Gunma University Graduate School of Medicine, Maebashi, Gunma, Japan
| | - Sei-Ichiro Motegi
- Department of Dermatology, Gunma University Graduate School of Medicine, Maebashi, Gunma, Japan
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Wen X, Yu H, Zhang L, Li L, Wang X, Fu X, Sun Z, Zhang X, Zhu L, Wu X, Yan J, Shi C, Zhang M, Zhang M, Li X. The relationship and clinical significance of serum cytokine expression level and skin pruritus in patients with Hodgkin lymphoma and angioimmunoblastic T-cell lymphoma. Int Immunopharmacol 2024; 131:111777. [PMID: 38489975 DOI: 10.1016/j.intimp.2024.111777] [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: 10/20/2023] [Revised: 02/19/2024] [Accepted: 02/27/2024] [Indexed: 03/17/2024]
Abstract
Pruritus of lymphoma is commonly associated with both Hodgkin lymphoma (HL) and angioimmunoblastic T cell lymphoma (AITL) and critically affects the life quality of patient. Recent evidence suggests that the pruritogenic cytokines seem to play a significant role in the genesis of chronic. This study aims to investigate the cytokines associated with itching in lymphoma patients and provide the basis for potential therapeutic targets. Serum samples were collected from 60 lymphoma patients, including 47 with Hodgkin lymphoma (HL) and 13 with angioimmunoblastic T-cell lymphoma (AITL), serving as the observation group (lymphoma group, LP group, n = 60). Additionally, serum samples from 8 healthy donors (HD group, n = 8) were collected for comparison. Within the lymphoma group, patients were stratified into those with pruritus (LWP group, n = 30) and those without pruritus (LWOP group, n = 30) based on the presence of skin pruritus symptoms. Elevated levels of multiple cytokines were significantly observed in the LP group in comparison to the HD group (p < 0.01). Patients in LWP group exhibited higher serum levels of IL-31 (p < 0.001), IL-1β (P = 0.039), and IL-1α (P = 0.037) compared to LWOP group. Notably, serum IL-31 levels were higher in advanced AITL patients (stage IV) than in early AITL patients (stage I-Ⅲ, P < 0.05). In subgroup analysis, patients with pruritus in the AITL group exhibited higher serum levels of MIG and CTACK compared to HL group, whereas PDGF-BB levels were significantly lower (p < 0.05). Elevated serum levels of IL-31, IL-1β, and IL-1α are linked to lymphoma-associated pruritus. Differences in serum cytokine profiles between HL and AITL subgroups are also highlighted. These findings offer valuable insights for clinical intervention in managing lymphoma-related pruritus.
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Affiliation(s)
- Xin Wen
- Department of Oncology, The First Affiliated Hospital of Zhengzhou University, Henan 450052 Zhengzhou, China; Lymphoma Diagnosis and Treatment Center of Henan Province, Zhengzhou, Henan 450052, China
| | - Hui Yu
- Department of Oncology, The First Affiliated Hospital of Zhengzhou University, Henan 450052 Zhengzhou, China; Lymphoma Diagnosis and Treatment Center of Henan Province, Zhengzhou, Henan 450052, China
| | - Lei Zhang
- Department of Oncology, The First Affiliated Hospital of Zhengzhou University, Henan 450052 Zhengzhou, China; Lymphoma Diagnosis and Treatment Center of Henan Province, Zhengzhou, Henan 450052, China
| | - Ling Li
- Department of Oncology, The First Affiliated Hospital of Zhengzhou University, Henan 450052 Zhengzhou, China; Lymphoma Diagnosis and Treatment Center of Henan Province, Zhengzhou, Henan 450052, China
| | - Xinhua Wang
- Department of Oncology, The First Affiliated Hospital of Zhengzhou University, Henan 450052 Zhengzhou, China; Lymphoma Diagnosis and Treatment Center of Henan Province, Zhengzhou, Henan 450052, China
| | - Xiaorui Fu
- Department of Oncology, The First Affiliated Hospital of Zhengzhou University, Henan 450052 Zhengzhou, China; Lymphoma Diagnosis and Treatment Center of Henan Province, Zhengzhou, Henan 450052, China
| | - Zhenchang Sun
- Department of Oncology, The First Affiliated Hospital of Zhengzhou University, Henan 450052 Zhengzhou, China; Lymphoma Diagnosis and Treatment Center of Henan Province, Zhengzhou, Henan 450052, China
| | - Xudong Zhang
- Department of Oncology, The First Affiliated Hospital of Zhengzhou University, Henan 450052 Zhengzhou, China; Lymphoma Diagnosis and Treatment Center of Henan Province, Zhengzhou, Henan 450052, China
| | - Linan Zhu
- Department of Oncology, The First Affiliated Hospital of Zhengzhou University, Henan 450052 Zhengzhou, China; Lymphoma Diagnosis and Treatment Center of Henan Province, Zhengzhou, Henan 450052, China
| | - Xiaolong Wu
- Department of Oncology, The First Affiliated Hospital of Zhengzhou University, Henan 450052 Zhengzhou, China; Lymphoma Diagnosis and Treatment Center of Henan Province, Zhengzhou, Henan 450052, China
| | - Jiaqin Yan
- Department of Oncology, The First Affiliated Hospital of Zhengzhou University, Henan 450052 Zhengzhou, China; Lymphoma Diagnosis and Treatment Center of Henan Province, Zhengzhou, Henan 450052, China
| | - Cunzhen Shi
- Department of Oncology, The First Affiliated Hospital of Zhengzhou University, Henan 450052 Zhengzhou, China; Lymphoma Diagnosis and Treatment Center of Henan Province, Zhengzhou, Henan 450052, China
| | - Mengjuan Zhang
- Department of Oncology, The First Affiliated Hospital of Zhengzhou University, Henan 450052 Zhengzhou, China; Lymphoma Diagnosis and Treatment Center of Henan Province, Zhengzhou, Henan 450052, China
| | - Mingzhi Zhang
- Department of Oncology, The First Affiliated Hospital of Zhengzhou University, Henan 450052 Zhengzhou, China; Lymphoma Diagnosis and Treatment Center of Henan Province, Zhengzhou, Henan 450052, China.
| | - Xin Li
- Department of Oncology, The First Affiliated Hospital of Zhengzhou University, Henan 450052 Zhengzhou, China; Lymphoma Diagnosis and Treatment Center of Henan Province, Zhengzhou, Henan 450052, China.
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Ho M, Nguyen HN, Van Hoang M, Bui TTT, Vu BQ, Dinh THT, Vo HTM, Blaydon DC, Eldirany SA, Bunick CG, Bui CB. Altered skin microbiome, inflammation, and JAK/STAT signaling in Southeast Asian ichthyosis patients. Hum Genomics 2024; 18:38. [PMID: 38627868 PMCID: PMC11022333 DOI: 10.1186/s40246-024-00603-x] [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: 09/14/2023] [Accepted: 04/01/2024] [Indexed: 04/19/2024] Open
Abstract
BACKGROUND Congenital ichthyosis (CI) is a collective group of rare hereditary skin disorders. Patients present with epidermal scaling, fissuring, chronic inflammation, and increased susceptibility to infections. Recently, there is increased interest in the skin microbiome; therefore, we hypothesized that CI patients likely exhibit an abnormal profile of epidermal microbes because of their various underlying skin barrier defects. Among recruited individuals of Southeast Asian ethnicity, we performed skin meta-genomics (i.e., whole-exome sequencing to capture the entire multi-kingdom profile, including fungi, protists, archaea, bacteria, and viruses), comparing 36 CI patients (representing seven subtypes) with that of 15 CI age-and gender-matched controls who had no family history of CI. RESULTS This case-control study revealed 20 novel and 31 recurrent pathogenic variants. Microbiome meta-analysis showed distinct microbial populations, decreases in commensal microbiota, and higher colonization by pathogenic species associated with CI; these were correlated with increased production of inflammatory cytokines and Th17- and JAK/STAT-signaling pathways in peripheral blood mononuclear cells. In the wounds of CI patients, we identified specific changes in microbiota and alterations in inflammatory pathways, which are likely responsible for impaired wound healing. CONCLUSIONS Together, this research enhances our understanding of the microbiological, immunological, and molecular properties of CI and should provide critical information for improving therapeutic management of CI patients.
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Affiliation(s)
- Minh Ho
- Department of Dermatology and Program in Translational Biomedicine, Yale University, New Haven, CT, USA
| | - Huynh-Nga Nguyen
- Microbial Genomics DNA Medical Technology, Ho Chi Minh, Vietnam
- Department of Biology, Dalat University, Da Lat, Lam Dong, Vietnam
| | - Minh Van Hoang
- Vietnam Vascular Anomalies Center, University Medical Center 3, Ho Chi Minh, Vietnam
| | | | - Bao-Quoc Vu
- Microbial Genomics DNA Medical Technology, Ho Chi Minh, Vietnam
- Department of Biology, Dalat University, Da Lat, Lam Dong, Vietnam
| | - Truc Huong Thi Dinh
- Department of Pathophysiology and Immunology, Can Tho University of Medicine and Pharmacy, Can Tho, Vietnam
| | - Hoa Thi My Vo
- Oxford University Clinical Research Unit, Ho Chi Minh, Vietnam
| | - Diana C Blaydon
- Centre for Cell Biology and Cutaneous Research, Blizard Institute, Queen Mary University of London, London, UK
| | - Sherif A Eldirany
- Department of Dermatology and Program in Translational Biomedicine, Yale University, New Haven, CT, USA
| | - Christopher G Bunick
- Department of Dermatology and Program in Translational Biomedicine, Yale University, New Haven, CT, USA.
| | - Chi-Bao Bui
- Microbial Genomics DNA Medical Technology, Ho Chi Minh, Vietnam.
- Department of Microbiology, City Children's Hospital, Ho Chi Minh, Vietnam.
- School of Medicine, Vietnam National University, Ho Chi Minh, Vietnam.
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Xu Z, Wang Y, Jiang C, Wang Z, Cheng Y, Fan M. The regulation of the PD-1/PD-L1 pathway in imiquimod-induced chronic psoriasis itch and itch sensitization in mouse. Mol Pain 2024; 20:17448069241252384. [PMID: 38631843 PMCID: PMC11069332 DOI: 10.1177/17448069241252384] [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: 01/24/2024] [Revised: 04/11/2024] [Accepted: 04/16/2024] [Indexed: 04/19/2024] Open
Abstract
PD-1/PD-L1 inhibitors have been demonstrated to induce itch in both humans and experimental animals. However, whether the PD-1/PD-L1 pathway is involved in the regulation of chronic psoriatic itch remains unclear. This study aimed to investigate the role of the PD-1/PD-L1 pathway in imiquimod-induced chronic psoriatic itch. The intradermal injection of PD-L1 in the nape of neck significantly alleviated chronic psoriatic itch in imiquimod-treated skin. Additionally, we observed that spontaneous scratching behavior induced by imiquimod disappeared on day 21. Still, intradermal injection of PD-1/PD-L1 inhibitors could induce more spontaneous scratching for over a month, indicating that imiquimod-treated skin remained in an itch sensitization state after the spontaneous scratching behavior disappeared. During this period, there was a significant increase in PD-1 receptor expression in both the imiquimod-treated skin and the spinal dorsal horn in mice, accompanied by significant activation of microglia in the spinal dorsal horn. These findings suggest the potential involvement of the peripheral and central PD-1/PD-L1 pathways in regulating chronic itch and itch sensitization induced by imiquimod.
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Affiliation(s)
- Zhehao Xu
- Department of Pharmacology, Clinic Medical College, Anhui Medical University, Hefei, China
| | - Yue Wang
- Department of Pharmacology, Clinic Medical College, Anhui Medical University, Hefei, China
- Department of Science and Education, Hefei BOE Hospital, Hefei, China
| | - Changcheng Jiang
- Department of Pharmacology, Clinic Medical College, Anhui Medical University, Hefei, China
| | - Zhengwei Wang
- Department of Pharmacology, Clinic Medical College, Anhui Medical University, Hefei, China
| | - YongFeng Cheng
- Department of Pharmacology, Clinic Medical College, Anhui Medical University, Hefei, China
| | - Manli Fan
- Department of Pharmacy, Fuyang Hospital, Anhui Medical University, Fuyang, China
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Mack MR, Miron Y, Chen F, Miller PE, Zhang A, Korotzer A, Richman D, Bryce PJ. Type 2 cytokines sensitize human sensory neurons to itch-associated stimuli. Front Mol Neurosci 2023; 16:1258823. [PMID: 37868811 PMCID: PMC10586051 DOI: 10.3389/fnmol.2023.1258823] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2023] [Accepted: 09/18/2023] [Indexed: 10/24/2023] Open
Abstract
Introduction Chronic itch is a central symptom of atopic dermatitis. Cutaneous afferent neurons express receptors interleukins (IL)-4, IL-13, and IL-33, which are type 2 cytokines that are elevated in atopic dermatitis. These neuronal cytokine receptors were found to be required in several murine models of itch. Prior exposure of neurons to either IL-4 or IL-33 increased their response to subsequent chemical pruritogens in mice but has not been previously examined in humans. The objective of the present study was to determine if type 2 cytokine stimulation sensitizes sensory neurons to future itch stimuli in a fully human ex vivo system. Methods We measured calcium flux from human dorsal root ganglia cultures from cadaveric donors in response to pruritogens following transient exposure to type 2 cytokines. We also measured their effect on neuronal calcium flux and changes in gene expression by RNA sequencing. Results Type 2 cytokines (IL-4, IL-13, and IL-33) were capable of sensitizing human dorsal root ganglia neurons to both histaminergic and nonhistaminergic itch stimuli. Sensitization was observed after only 2 h of pruritogen incubation. We observed rapid neuronal calcium flux in a small subset of neurons directly in response to IL-4 and to IL-13, which was dependent on the presence of extracellular calcium. IL-4 and IL-13 induced a common signature of upregulated genes after 24 h of exposure that was unique from IL-33 and non-type 2 inflammatory stimuli. Discussion This study provides evidence of peripheral neuron sensitization by type 2 cytokines as well as broad transcriptomic effects in human sensory ganglia. These studies identify both unique and overlapping roles of these cytokines in sensory neurons.
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Affiliation(s)
- Madison R. Mack
- Immunology and Inflammation Research Therapeutic Area, Sanofi, Cambridge, MA, United States
| | | | | | | | - Annie Zhang
- Medical Affairs, Sanofi, Cambridge, MA, United States
| | - Andrew Korotzer
- Medical Affairs, Regeneron Pharmaceuticals, Tarrytown, NY, United States
| | | | - Paul J. Bryce
- Immunology and Inflammation Research Therapeutic Area, Sanofi, Cambridge, MA, United States
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Gao X, Wang Z, Du L. Glial Cells and Itch: Possible Targets for Novel Antipruritic Therapies. ACS Chem Neurosci 2023; 14:331-339. [PMID: 36655585 DOI: 10.1021/acschemneuro.2c00638] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023] Open
Abstract
Glial cells, which are the non-neuronal cells of the nervous system, play essential roles in brain development, homeostasis, and diseases. Glial cells have attracted attention because of their active involvement in many neurological disorders. In recent years, substantial progress has been made in our understanding of the roles of glial cells in the pathogenesis of itch. Mechanistically, central and peripheral glial cells modulate acute and chronic pruritus via different mechanisms. In this review, we present the current knowledge about the involvement of glial cells in the modulation of itch processing and the mechanism of glial cell activation under itch stimuli. Targeting glial cells may provide novel approaches for itch therapy.
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Affiliation(s)
- Xinyi Gao
- School of Basic Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
| | - Zhifei Wang
- School of Basic Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
| | - Lixia Du
- Department of Biochemistry, School of Basic Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
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Purzycka-Bohdan D, Nedoszytko B, Zabłotna M, Gleń J, Szczerkowska-Dobosz A, Nowicki RJ. Chemokine Profile in Psoriasis Patients in Correlation with Disease Severity and Pruritus. Int J Mol Sci 2022; 23:13330. [PMID: 36362116 PMCID: PMC9655759 DOI: 10.3390/ijms232113330] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2022] [Revised: 10/28/2022] [Accepted: 10/29/2022] [Indexed: 08/01/2023] Open
Abstract
Psoriasis (PsO) is a chronic, immune-mediated, inflammatory skin disease associated in most cases with pruritus. Chemokines seem to play a significant role in PsO pathogenesis. The aim of the study was to analyse serum concentrations of CCL2/MCP-1, CCL3/MIP-1α, CCL4/MIP-1β, CCL5/RANTES, CCL17/TARC, CCL18/PARC, CCL22/MDC and CXCL8/IL-8, and their correlation with PsO severity and pruritus intensity. The study included 60 PsO patients and 40 healthy volunteers. Serum concentrations of six (CCL2/MCP-1, CCL3/MIP-1α, CCL5/RANTES, CCL17/TARC, CCL18/PARC and CCL22/MDC) out of eight analysed chemokines were significantly elevated in PsO patients; however, they did not correlate with disease severity. The serum level of CCL5/RANTES was significantly higher in patients with the psoriasis area and severity index (PASI) ≥ 15 (p = 0.01). The serum concentration of CCL17/TARC correlated positively with pruritus assessed using the visual analogue scale (VAS) (R = 0.47; p = 0.05). The study indicated CCL17/TARC as a potential biomarker of pruritus intensity in PsO patients. Chemokines appear to be involved in the development of PsO systemic inflammation. Further detailed studies on the interactions between chemokines, proinflammatory cytokines and immune system cells in PsO are required to search for new targeted therapies.
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Affiliation(s)
- Dorota Purzycka-Bohdan
- Department of Dermatology, Venereology and Allergology, Medical University of Gdansk, 80-214 Gdansk, Poland
| | - Bogusław Nedoszytko
- Department of Dermatology, Venereology and Allergology, Medical University of Gdansk, 80-214 Gdansk, Poland
- Invicta Fertility and Reproductive Centre, Molecular Laboratory, 81-740 Sopot, Poland
| | - Monika Zabłotna
- Department of Dermatology, Venereology and Allergology, Medical University of Gdansk, 80-214 Gdansk, Poland
| | - Jolanta Gleń
- Department of Dermatology, Venereology and Allergology, Medical University of Gdansk, 80-214 Gdansk, Poland
| | - Aneta Szczerkowska-Dobosz
- Department of Dermatology, Venereology and Allergology, Medical University of Gdansk, 80-214 Gdansk, Poland
| | - Roman J. Nowicki
- Department of Dermatology, Venereology and Allergology, Medical University of Gdansk, 80-214 Gdansk, Poland
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