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Li Q, Zhang X, Feng Q, Zhou H, Ma C, Lin C, Wang D, Yin J. Common Allergens and Immune Responses Associated with Allergic Rhinitis in China. J Asthma Allergy 2023; 16:851-861. [PMID: 37609376 PMCID: PMC10441643 DOI: 10.2147/jaa.s420328] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2023] [Accepted: 07/12/2023] [Indexed: 08/24/2023] Open
Abstract
Allergic rhinitis (AR) is a chronic allergic disease of the upper respiratory system that affects approximately 10-40% of the global population. Due to the large number of plant pollen allergens with obvious seasonal variations, AR is common in China. AR is primarily caused by the abnormal regulation of the immune system. Its pathophysiological mechanism involves a series of immune cells and immune mediators, including cytokines. The present review summarizes the common allergens in China and the complex pathophysiological mechanism of AR. Additionally, host allergen contact, signal transduction, immune cell activation, cytokine release, and a series of inflammatory reactions are described according to their sequence of occurrence.
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Affiliation(s)
- Qirong Li
- Department of Otolaryngology-Head and Neck Surgery, the First Hospital of Jilin University, Changchun, People’s Republic of China
- Laboratory Animal Center, College of Animal Science, Jilin University, Changchun, People’s Republic of China
| | - Xinyi Zhang
- Laboratory Animal Center, College of Animal Science, Jilin University, Changchun, People’s Republic of China
| | - Qiang Feng
- Laboratory Animal Center, College of Animal Science, Jilin University, Changchun, People’s Republic of China
| | - Hengzong Zhou
- Laboratory Animal Center, College of Animal Science, Jilin University, Changchun, People’s Republic of China
| | - Chaoyang Ma
- Hepatology Hospital of Jilin Province, Changchun, People’s Republic of China
| | - Chao Lin
- School of Grain Science and Technology, Jilin Business and Technology College, Changchun, People’s Republic of China
| | - Dongxu Wang
- Laboratory Animal Center, College of Animal Science, Jilin University, Changchun, People’s Republic of China
| | - Jianmei Yin
- Department of Otolaryngology-Head and Neck Surgery, the First Hospital of Jilin University, Changchun, People’s Republic of China
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2
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Sousa‐Pinto B, Anto A, Berger M, Dramburg S, Pfaar O, Klimek L, Jutel M, Czarlewski W, Bedbrook A, Valiulis A, Agache I, Amaral R, Ansotegui IJ, Bastl K, Berger U, Bergmann KC, Bosnic‐Anticevich S, Braido F, Brussino L, Cardona V, Casale T, Canonica GW, Cecchi L, Charpin D, Chivato T, Chu DK, Cingi C, Costa EM, Cruz AA, Devillier P, Durham SR, Ebisawa M, Fiocchi A, Fokkens WJ, Gemicioğlu B, Gotua M, Guzmán M, Haahtela T, Ivancevich JC, Kuna P, Kaidashev I, Khaitov M, Kvedariene V, Larenas‐Linnemann DE, Lipworth B, Laune D, Matricardi PM, Morais‐Almeida M, Mullol J, Naclerio R, Neffen H, Nekam K, Niedoszytko M, Okamoto Y, Papadopoulos NG, Park H, Passalacqua G, Patella V, Pelosi S, Pham‐Thi N, Popov TA, Regateiro FS, Reitsma S, Rodriguez‐Gonzales M, Rosario N, Rouadi PW, Samolinski B, Sá‐Sousa A, Sastre J, Sheikh A, Ulrik CS, Taborda‐Barata L, Todo‐Bom A, Tomazic PV, Toppila‐Salmi S, Tripodi S, Tsiligianni I, Valovirta E, Ventura MT, Valero AA, Vieira RJ, Wallace D, Waserman S, Williams S, Yorgancioglu A, Zhang L, Zidarn M, Zuberbier J, Olze H, Antó JM, Zuberbier T, Fonseca JA, Bousquet J. Real-world data using mHealth apps in rhinitis, rhinosinusitis and their multimorbidities. Clin Transl Allergy 2022; 12:e12208. [PMID: 36434742 PMCID: PMC9673175 DOI: 10.1002/clt2.12208] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2022] [Revised: 09/02/2022] [Accepted: 09/16/2022] [Indexed: 11/19/2022] Open
Abstract
Digital health is an umbrella term which encompasses eHealth and benefits from areas such as advanced computer sciences. eHealth includes mHealth apps, which offer the potential to redesign aspects of healthcare delivery. The capacity of apps to collect large amounts of longitudinal, real-time, real-world data enables the progression of biomedical knowledge. Apps for rhinitis and rhinosinusitis were searched for in the Google Play and Apple App stores, via an automatic market research tool recently developed using JavaScript. Over 1500 apps for allergic rhinitis and rhinosinusitis were identified, some dealing with multimorbidity. However, only six apps for rhinitis (AirRater, AllergyMonitor, AllerSearch, Husteblume, MASK-air and Pollen App) and one for rhinosinusitis (Galenus Health) have so far published results in the scientific literature. These apps were reviewed for their validation, discovery of novel allergy phenotypes, optimisation of identifying the pollen season, novel approaches in diagnosis and management (pharmacotherapy and allergen immunotherapy) as well as adherence to treatment. Published evidence demonstrates the potential of mobile health apps to advance in the characterisation, diagnosis and management of rhinitis and rhinosinusitis patients.
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Affiliation(s)
- Bernardo Sousa‐Pinto
- MEDCIDS ‐ Department of Community Medicine, Information and Health Decision SciencesFaculty of MedicineUniversity of PortoPortoPortugal,CINTESIS – Center for Health Technology and Services Research, University of PortoPortoPortugal,RISE – Health Research NetworkUniversity of PortoPortoPortugal
| | | | - Markus Berger
- Department of Pathophysiology and Allergy ResearchCenter for Pathophysiology, Infectiology and ImmunologyMedical University of ViennaViennaAustria,Department for Oto‐Rhino‐Laryngology, Head and Neck SurgeryMedical University of ViennaViennaAustria
| | - Stephanie Dramburg
- Pediatric Pulmonology, Immunology and Intensive Care MedicineCharité Universitätsmedizin BerlinBerlinGermany
| | - Oliver Pfaar
- Department of Otorhinolaryngology, Head and Neck SurgerySection of Rhinology and AllergyUniversity Hospital MarburgPhilipps‐Universität MarburgMarburgGermany
| | - Ludger Klimek
- Department of Otolaryngology, Head and Neck SurgeryUniversitätsmedizin MainzMainzGermany,Center for Rhinology and AllergologyWiesbadenGermany
| | - Marek Jutel
- Department of Clinical ImmunologyWrocław Medical UniversityALL‐MED Medical Research InstituteWroclawPoland
| | | | - Anna Bedbrook
- MASK‐airMontpellierFrance,Fraunhofer Institute for Translational Medicine and Pharmacology ITMP, Allergology and ImmunologyBerlinGermany
| | - Arunas Valiulis
- Institute of Clinical Medicine and Institute of Health SciencesMedical Faculty of Vilnius UniversityVilniusLithuania
| | | | - Rita Amaral
- MEDCIDS ‐ Department of Community Medicine, Information and Health Decision SciencesFaculty of MedicineUniversity of PortoPortoPortugal,CINTESIS – Center for Health Technology and Services Research, University of PortoPortoPortugal,RISE – Health Research NetworkUniversity of PortoPortoPortugal
| | | | - Katharina Bastl
- Department for Oto‐Rhino‐Laryngology, Head and Neck SurgeryMedical University of ViennaViennaAustria
| | - Uwe Berger
- Department for Oto‐Rhino‐Laryngology, Head and Neck SurgeryMedical University of ViennaViennaAustria
| | - Karl C. Bergmann
- Fraunhofer Institute for Translational Medicine and Pharmacology ITMP, Allergology and ImmunologyBerlinGermany,Institute of AllergologyCharité – Universitätsmedizin BerlinCorporate Member of Freie Universität Berlin and Humboldt‐Universität zu BerlinBerlinGermany
| | - Sinthia Bosnic‐Anticevich
- Quality Use of Respiratory Medicine GroupWoolcock Institute of Medical ResearchThe University of SydneySydneyNew South WalesAustralia
| | - Fulvio Braido
- Department of Internal Medicine (DiMI), University of GenoaIRCCS Ospedale Policlinico San MartinoGenovaItaly
| | - Luisa Brussino
- Department of Medical SciencesAllergy and Clinical Immunology UnitUniversity of Torino & Mauriziano HospitalTorinoItaly
| | - Victoria Cardona
- Allergy SectionDepartment of Internal MedicineHospital Vall d'Hebron & ARADyAL Research NetworkBarcelonaSpain
| | - Thomas Casale
- Division of Allergy/immunologyUniversity of South FloridaTampaFloridaUSA
| | - G. Walter Canonica
- Department of Biomedical SciencesHumanitas UniversityPieve Emanuele, Milan & Personalized Medicine, Asthma and Allergy, Humanitas Clinical and Research Center IRCCSRozzanoItaly
| | - Lorenzo Cecchi
- SOS Allergology and Clinical ImmunologyUSL Toscana CentroPratoItaly
| | - Denis Charpin
- Clinique des bronches, allergie et sommeilHôpital NordMarseilleFrance
| | - Tomás Chivato
- School of MedicineUniversity CEU San PabloMadridSpain
| | - Derek K. Chu
- Department of Health Research Methods, Evidence and Impact & Department of MedicineMcMaster UniversityHamiltonOntarioCanada
| | - Cemal Cingi
- Eskisehir Osmangazi UniversityMedical FacultyENT DepartmentEskisehirTurkey
| | - Elisio M. Costa
- UCIBIOREQUINTEFaculty of Pharmacy and Competence Center on Active and Healthy Ageing of University of Porto (Porto4Ageing)PortoPortugal
| | - Alvaro A. Cruz
- Fundaçao ProARFederal University of Bahia and GARD/WHO Planning GroupSalvadorBahiaBrazil
| | - Philippe Devillier
- VIM Suresnes, UMR 0892, Pôle des Maladies des Voies Respiratoires, Hôpital FochUniversité Paris‐SaclaySuresnesFrance
| | - Stephen R. Durham
- Allergy and Clinical ImmunologyNational Heart and Lung InstituteImperial College LondonLondonUK
| | - Motohiro Ebisawa
- Clinical Research Center for Allergy and RheumatologyNHO Sagamihara National HospitalSagamiharaJapan
| | - Alessandro Fiocchi
- Division of AllergyDepartment of Pediatric Medicine ‐ The Bambino Gesù Children's Research HospitalIRCCSRomeItaly
| | - Wytske J. Fokkens
- Department of OtorhinolaryngologyAmsterdam University Medical CentresAmsterdamThe Netherlands
| | - Bilun Gemicioğlu
- Department of Pulmonary DiseasesIstanbul University‐CerrahpasaCerrahpasa Faculty of MedicineIstanbulTurkey
| | - Maia Gotua
- Center of Allergy and ImmunologyGeorgian Association of Allergology and Clinical ImmunologyTbilisiGeorgia
| | | | - Tari Haahtela
- Skin and Allergy HospitalHelsinki University HospitalUniversity of HelsinkiHelsinkiFinland
| | | | - Piotr Kuna
- Division of Internal Medicine, Asthma and AllergyBarlicki University HospitalMedical University of LodzLodzPoland
| | | | - Musa Khaitov
- National Research CenterInstitute of ImmunologyFederal Medicobiological AgencyLaboratory of Molecular ImmunologyMoscowRussia,Pirogov Russian National Research Medical UniversityMoscowRussia
| | - Violeta Kvedariene
- Institute of Biomedical SciencesDepartment of PathologyFaculty of MedicineVilnius University and Institute of Clinical Medicine, Clinic of Chest Diseases and Allergology, Faculty of Medicine, Vilnius UniversityVilniusLithuania
| | | | - Brian Lipworth
- Scottish Centre for Respiratory ResearchCardiovascular & Diabetes MedicineMedical Research InstituteNinewells HospitalUniversity of DundeeDundeeUK
| | | | - Paolo M. Matricardi
- Pediatric Pulmonology, Immunology and Intensive Care MedicineCharité Universitätsmedizin BerlinBerlinGermany
| | | | - Joaquim Mullol
- Rhinology Unit & Smell ClinicENT DepartmentHospital Clínicand Clinical & Experimental Respiratory Immunoallergy, IDIBAPS, CIBERES, University of BarcelonaBarcelonaSpain
| | | | - Hugo Neffen
- Director of Center of Allergy, Immunology and Respiratory DiseasesSanta FeArgentina
| | - Kristoff Nekam
- Hospital of the Hospitaller Brothers in BudaBudapestHungary
| | | | | | | | - Hae‐Sim Park
- Department of Allergy and Clinical ImmunologyAjou University School of MedicineSuwonSouth Korea
| | - Giovanni Passalacqua
- Allergy and Respiratory DiseasesIRCCS Polyclinic Hospital San MartinoUniversity of GenoaGenovaItaly
| | - Vincenzo Patella
- Division of Allergy and Clinical Immunology, Department of Medicine"Santa Maria della Speranza" Hospital, Battipagliaand Agency of Health ASLSalernoItaly
| | | | - Nhân Pham‐Thi
- Ecole Polytechnique PalaiseauIRBA (Institut de Recherche bio‐Médicale des Armées)BretignyFrance
| | - Ted A. Popov
- University Hospital 'Sv Ivan Rilski'SofiaBulgaria
| | - Frederico S. Regateiro
- Allergy and Clinical Immunology UnitCentro Hospitalar e Universitário de CoimbraCoimbra and Institute of ImmunologyFaculty of MedicineUniversity of CoimbraCoimbraPortugal,Coimbra Institute for Clinical and Biomedical Research (iCBR)Faculty of MedicineUniversity of CoimbraCoimbraPortugal
| | - Sietze Reitsma
- Department of OtorhinolaryngologyAmsterdam University Medical CentresAmsterdamThe Netherlands
| | | | | | - Philip W. Rouadi
- Department of Otolaryngology‐Head and Neck SurgeryEye and Ear University HospitalBeirutLebanon,Department of Otorhinolaryngology‐Head and Neck SurgeryDar Al Shifa HospitalSalmiyaKuwait
| | - Boleslaw Samolinski
- Department of Prevention of Environmental Hazards, Allergology and ImmunologyMedical University of WarsawWarsawPoland
| | - Ana Sá‐Sousa
- MEDCIDS ‐ Department of Community Medicine, Information and Health Decision SciencesFaculty of MedicineUniversity of PortoPortoPortugal,CINTESIS – Center for Health Technology and Services Research, University of PortoPortoPortugal,RISE – Health Research NetworkUniversity of PortoPortoPortugal
| | - Joaquin Sastre
- Fundacion Jimenez Diaz, CIBERESFaculty of MedicineAutonoma University of MadridMadridSpain
| | - Aziz Sheikh
- Usher InstituteThe University of EdinburghEdinburghUK
| | - Charlotte Suppli Ulrik
- Department of Respiratory MedicineCopenhagen University Hospital‐HvidovreCopenhagenDenmark,Institute of Cinical MedicineUniversity of CopenhagenCopenhagenDenmark
| | - Luis Taborda‐Barata
- Department of Immunoallergology, Cova da Beira University Hospital Centreand UBIAir ‐ Clinical & Experimental Lung Centre and CICS‐UBI Health Sciences Research CentreUniversity of Beira InteriorCovilhãPortugal
| | - Ana Todo‐Bom
- Allergy and Clinical Immunology UnitCentro Hospitalar e Universitário de CoimbraCoimbra and Institute of ImmunologyFaculty of MedicineUniversity of CoimbraCoimbraPortugal
| | - Peter Valentin Tomazic
- Department of General ORL, H&NSMedical University of GrazENT‐University Hospital GrazGrazAustria
| | - Sanna Toppila‐Salmi
- Skin and Allergy HospitalHelsinki University HospitalUniversity of HelsinkiHelsinkiFinland
| | | | - Ioanna Tsiligianni
- Health Planning UnitDepartment of Social MedicineFaculty of MedicineUniversity of CreteGreece and International Primary Care Respiratory Group IPCRGAberdeenScotland
| | - Erkka Valovirta
- Department of Lung Diseases and Clinical ImmunologyUniversity of Turku and Terveystalo Allergy ClinicTurkuFinland
| | | | - Antonio A. Valero
- Pneumology and Allergy Department CIBERES and Clinical & Experimental Respiratory ImmunoallergyIDIBAPSUniversity of BarcelonaBarcelonaSpain
| | - Rafael José Vieira
- MEDCIDS ‐ Department of Community Medicine, Information and Health Decision SciencesFaculty of MedicineUniversity of PortoPortoPortugal,CINTESIS – Center for Health Technology and Services Research, University of PortoPortoPortugal,RISE – Health Research NetworkUniversity of PortoPortoPortugal
| | - Dana Wallace
- Nova Southeastern UniversityFort LauderdaleFloridaUSA
| | - Susan Waserman
- Department of Medicine, Clinical Immunology and AllergyMcMaster UniversityHamiltonOntarioCanada
| | - Sian Williams
- International Primary Care Respiratory Group IPCRGLarbertScotland
| | - Arzu Yorgancioglu
- Department of Pulmonary DiseasesCelal Bayar University, Faculty of MedicineManisaTurkey
| | - Luo Zhang
- Department of Otolaryngology Head and Neck SurgeryBeijing TongRen Hospital and Beijing Institute of OtolaryngologyBeijingChina
| | - Mihaela Zidarn
- University Clinic of Respiratory and Allergic DiseasesGolnikSlovenia,University of LjubljanaFaculty of MedicineLjubljanaSlovenia
| | - Jaron Zuberbier
- Department of OtorhinolaryngologyCharité‐Universitätsmedizin BerlinBerlinGermany
| | - Heidi Olze
- Department of OtorhinolaryngologyCharité‐Universitätsmedizin BerlinBerlinGermany
| | - Josep M. Antó
- ISGlobal, Barcelona Institute for Global HealthBarcelonaSpain,IMIM (Hospital del Mar Medical Research Institute)BarcelonaSpain,Universitat Pompeu Fabra (UPF)BarcelonaSpain,CIBER Epidemiología y Salud Pública (CIBERESP)BarcelonaSpain
| | - Torsten Zuberbier
- Fraunhofer Institute for Translational Medicine and Pharmacology ITMP, Allergology and ImmunologyBerlinGermany,Institute of AllergologyCharité – Universitätsmedizin BerlinCorporate Member of Freie Universität Berlin and Humboldt‐Universität zu BerlinBerlinGermany
| | - João A. Fonseca
- MEDCIDS ‐ Department of Community Medicine, Information and Health Decision SciencesFaculty of MedicineUniversity of PortoPortoPortugal,CINTESIS – Center for Health Technology and Services Research, University of PortoPortoPortugal,RISE – Health Research NetworkUniversity of PortoPortoPortugal
| | - Jean Bousquet
- Fraunhofer Institute for Translational Medicine and Pharmacology ITMP, Allergology and ImmunologyBerlinGermany,Institute of AllergologyCharité – Universitätsmedizin BerlinCorporate Member of Freie Universität Berlin and Humboldt‐Universität zu BerlinBerlinGermany,University Hospital MontpellierMontpellierFrance
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Al-Nesf MA, Gharbi D, Mobayed HM, Mohammed Ali R, Tuffaha A, Dason BR, Adeli M, Sattar HA, Trigo MDM. Aerobiological monitoring in a desert type ecosystem: Two sampling stations of two cities (2017–2020) in Qatar. PLoS One 2022; 17:e0270975. [PMID: 35830387 PMCID: PMC9278729 DOI: 10.1371/journal.pone.0270975] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2021] [Accepted: 06/21/2022] [Indexed: 11/19/2022] Open
Abstract
Background
The increasing number of aerobiological stations empower comparative studies to determine the relationship between pollen concentrations in different localities and the appropriate distance, which should be established between sampling stations. In Qatar, this is basically the first aerobiological study for a continuous monitoring interval.
Objectives
The study aimed to assess the abundance and seasonality of the most prevalent pollen types, plus identify potential differences between two sites within the country.
Methods
Airborne pollen data were collected during 2017–2020 by using Hirst-type volumetric samplers in Doha capital city and Al Khor city in Qatar, placed 50 km apart.
Results
Higher total pollen indexes were recorded in the Al Khor station (2931 pollen * day/m3) compared to the Doha station (1618 pollen * day/m3). Comparing the pollen spectrum between the sampling stations revealed that ten pollen types were found in common. Amaranthaceae and Poaceae airborne pollen constituted 73.5% and 70.9% of the total amount of pollen detected at the samplers of Al Khor station and Doha station. In both sampling sites, a very pronounced seasonality was shown; August–October appeared as the period with the most intense incidence of atmospheric herbaceous pollen, with 71% and 51% of the annual total counts in Al Khor and Doha stations, respectively. August (Al Khor, 21%; Doha, 9%), September (Al Khor, 33%; Doha, 26%), October (Al Khor, 17%; Doha, 16%) were the months in which the herbs pollen concentrations were highest.
Significant statistical differences between the two stations were observed in specific pollen types with local distribution in each trap’s vicinity.
Conclusions
Comparison of data obtained by the two samplers running at a distance of 50 Km indicated that potential inter-site differences could be attributed to the vegetation surrounding the city having a decisive influence on data collected.
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Affiliation(s)
- Maryam Ali Al-Nesf
- Allergy and Immunology Division, Hamad Medical Corporation, Doha, Qatar
- * E-mail:
| | - Dorra Gharbi
- Allergy and Immunology Division, Hamad Medical Corporation, Doha, Qatar
- Department of Botany and Plant Physiology, University of Malaga, Campus de Teatinos, Malaga, Spain
| | - Hassan M. Mobayed
- Allergy and Immunology Division, Hamad Medical Corporation, Doha, Qatar
| | | | | | | | | | | | - Maria del Mar Trigo
- Department of Botany and Plant Physiology, University of Malaga, Campus de Teatinos, Malaga, Spain
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Ameliorating Atopy by Compensating Micronutritional Deficiencies in Immune Cells: A Double-Blind Placebo-Controlled Pilot Study. THE JOURNAL OF ALLERGY AND CLINICAL IMMUNOLOGY. IN PRACTICE 2022; 10:1889-1902.e9. [PMID: 35263681 DOI: 10.1016/j.jaip.2022.02.028] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/27/2021] [Revised: 02/10/2022] [Accepted: 02/11/2022] [Indexed: 12/15/2022]
Abstract
BACKGROUND Functional iron deficiency facilitates allergy development and amplifies the symptom burden in people experiencing allergies. Previously we selectively delivered micronutrients to immune cells with β-lactoglobulin as carrier (holoBLG), resulting in immune resilience and allergy prevention. OBJECTIVE The clinical efficacy of a food for special medical purposes-lozenge containing β-lactoglobulin with iron, polyphenols, retinoic acid, and zinc (holoBLG lozenge) was assessed in allergic women. METHODS In a randomized, double-blind, placebo-controlled pilot study, grass- and/or birch pollen-allergic women (n = 51) were given holoBLG or placebo lozenges over 6 months. Before and after dietary supplementation, participants were nasally challenged and the blood was analyzed for immune and iron parameters. Daily symptoms, medications, pollen concentrations, and well-being were recorded by an electronic health application. RESULTS Total nasal symptom score after nasal provocations improved by 42% in the holoBLG group versus 13% in the placebo group. The combined symptom medication score during the birch peak and entire season as well as the entire grass pollen season improved in allergic subjects supplemented with the holoBLG lozenge by 45%, 31%, and 40%, respectively, compared with the placebo arm. Participants ingesting the holoBLG lozenge had improved iron status with increased hematocrit values, decreased red cell distribution width, and higher iron levels in circulating CD14+ cells compared with the placebo group. CONCLUSIONS Targeted micronutrition with the holoBLG lozenge seemed to be effective in elevating the labile iron levels in immune cells and reducing the symptom burden in allergic women in this pilot study. The underlying allergen-independent mechanism provides evidence that dietary nutritional supplementation of the immune system is one of the ways to combat atopy.
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Dogmas, challenges, and promises in phase III allergen immunotherapy studies. World Allergy Organ J 2021; 14:100578. [PMID: 34659627 PMCID: PMC8487954 DOI: 10.1016/j.waojou.2021.100578] [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: 01/27/2021] [Revised: 08/02/2021] [Accepted: 08/10/2021] [Indexed: 12/11/2022] Open
Abstract
The concept of treatment of an allergy with the offending allergen was introduced more than a century ago. Allergen immunotherapy (AIT) is the only disease modifying treatment of allergic diseases caused by inhalational allergens and insect venoms. Despite this, only few AIT products have reached licensure in the US or an official marketing authorization status in European countries. Moreover, most of these AIT products are provided on an individual patient basis as named patient products (NPP) in Europe, while individualized preparations of (mixed) allergenic extract vials for subcutaneous administration (compounding) is common practice in the US. AIT products are generally considered safe and well tolerated, but the major practical clinical development challenge is to define the optimal dose and prove the efficacy and safety of these products using state-of-the art Phase II and pivotal Phase III studies. In planning Phase II-III AIT studies, a thorough understanding of the study challenges is essential (e.g. variability and non-validated status of subjective primary endpoints, limitations of pollen season definitions) and dogmas of these products (e.g., for sublingual immunotherapy (SLIT) trials double-blinding conditions cannot be maintained, resulting in stronger placebo responses in the active treatment group and inflated treatment effects in Phase III). There is future promise for more objective biomarker endpoints (e.g. basophil activation (CD63 and CD203c), subsets of regulatory dendritic, T and B cells, IL-10–producing group 2 innate lymphoid cells; alone or in combination) to overcome several of these dogmas and challenges; innovation in AIT clinical trials can only progress with integral biomarker research to complement the traditional endpoints in Phase II-III clinical development. The aim of this paper is to provide an overview of these dogmas, challenges and recommendations based on published data, to facilitate the design of Phase III studies and improve the evidence basis of safe and effective AIT products.
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Pollen and Fungal Spores Evaluation in Relation to Occupants and Microclimate in Indoor Workplaces. SUSTAINABILITY 2021. [DOI: 10.3390/su13063154] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Indoor air quality depends on many internal or external factors mutually interacting in a dynamic and complex system, which also includes indoor workplaces, where subjects are exposed to many pollutants, including biocontaminants such as pollen and fungal spores. In this context, the occupants interact actively with their environment through actions, modifying indoor environmental conditions to achieve their own thermal comfort. Actions such as opening/closing doors and windows and turning on/off air conditioning could have effects on workers’ health. The present study explored the contribution of human occupants to pollen and fungal spore levels in indoor workplaces, combining aerobiological, microclimate, and worker monitoring during summer and winter campaigns. We evaluated the overall time spent by the workers in the office, the workers’ actions regarding non-working days and working days, and non-working hours and working hours, during two campaigns of pollen and fungal spore monitoring. Our results showed that the biocontaminant values depend on many mutually interacting factors; hence, the role of all of the factors involved should be investigated. In this regard, aerobiological monitoring should be a valid tool for the management of occupational allergies, providing additional information to improve occupational health protection strategies.
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