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Effects of Oral Administration of Lactiplantibacillus Plantarum APsulloc 331261 (GTB1TM) Isolated from Green Tea on Atopic Dermatitis (AD)-like Skin Lesion Mouse Models. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2022; 2022:4520433. [PMID: 36110182 PMCID: PMC9470305 DOI: 10.1155/2022/4520433] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/18/2022] [Revised: 07/25/2022] [Accepted: 08/04/2022] [Indexed: 11/25/2022]
Abstract
Background Probiotics are known to improve atopic dermatitis (AD) by inhibiting T helper 2 (Th2)-related reactions, restoring the Th2/T helper1 (Th1) cytokine ratio. The most popular probiotic is Lactiplantibacillus plantarum (L. plantarum), which is widely used in the food and pharmaceutical industries. L. plantarum APsulloc 331261 (GTB1) used in this study was isolated from green tea. Materials and Methods The effectiveness of oral GTB1 administration in improving AD was evaluated by visual evaluation, comparison of the lymph node sizes and spleen weights, histological evaluation, RT-qPCR, ELISA, and IHC analysis in the mouse model. Results GTB1 improved AD symptoms, reduced epidermal thickness and mast cell numbers, decreased lymph node size and the spleen weight, increased filaggrin and loricrin protein levels, downregulated Th2 expression, and upregulated Th1 expression in a colony-forming unit-dependent manner. Conclusion Oral administration of GTB1 isolated from green tea (Camellia sinensis) improved the AD symptoms, reduced hypersensitivity reaction, and increased the skin barrier function. Finally, it is involved in AD improvement by restoring the Th2/Th1 cytokine balance.
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Umborowati MA, Damayanti D, Anggraeni S, Endaryanto A, Surono IS, Effendy I, Prakoeswa CRS. The role of probiotics in the treatment of adult atopic dermatitis: a meta-analysis of randomized controlled trials. JOURNAL OF HEALTH, POPULATION AND NUTRITION 2022; 41:37. [PMID: 35978397 PMCID: PMC9386980 DOI: 10.1186/s41043-022-00318-6] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2021] [Accepted: 08/04/2022] [Indexed: 11/12/2022] Open
Abstract
Background Atopic dermatitis (AD) is chronic inflammatory skin disease that is relapsing and a serious condition that disrupts the quality of life of affected individuals. Probiotics are an immunomodulator that can enhance the immune control of atopic dermatitis. Methods All randomized controlled trials of probiotics for the treatment of adult AD published before December 2020 were included in this study from the PubMed databases and manual searching. Results Six randomized controlled trials (n = 241) were selected for this meta-analysis study. Probiotics were effective in treating adult patients with AD, indicated by the decrease in Scoring Atopic Dermatitis/SCORAD (Mean Difference (MD) − 7.90, 95% CI − 7.25 to − 6.92; p < 0.00001; I2 = 96%) and improved quality of life (MD − 7.68, 95% CI − 14.08 to − 1.29; p = 0.02; I2 = 47%) which were statistically significant. However, skin severity, itch severity, Dermatology Life Quality Index (DLQI), IL-4, TFN-γ, and IgE showed no significant difference in this meta-analysis study (p > 0.05). Limitations The study found no available data for side effects of probiotics. Strength This meta-analysis analyzed a total of 241 AD patients of Asian and European origin. Conclusion The use of probiotics decreased SCORAD significantly in adult patients with AD. Probiotics can improve the quality of life of patients with AD. Capsule summary The use of probiotics in atopic dermatitis has been widely studied, with controversial results. This meta-analysis suggests that the use of probiotics can improve SCORAD and the quality of life of patients with atopic dermatitis.
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The effect of probiotics on the clinical status of adult patients with atopic dermatitis: a systematic review. Eur J Med Res 2022; 27:94. [PMID: 35701836 PMCID: PMC9199243 DOI: 10.1186/s40001-022-00713-z] [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: 12/05/2021] [Accepted: 05/14/2022] [Indexed: 11/27/2022] Open
Abstract
Objectives To describe, through a literature review, the results and benefits of oral and topical probiotics for adult patients with atopic dermatitis. Design A systematic review of articles published over a 13-year period was conducted to answer the following questions: (1) what information is given in the scientific literature concerning the use of probiotics in adult patients with atopic dermatitis? (2) Was there an improvement in the clinical status of the patients? (3) Was there a change in the microbial profile in patients after using such approaches? (4) Among the probiotics used, which was the most used in adult AD patients? (5) What was the average time of these interventions? (6) What were the outcomes? Results Seven studies with different sample sizes, ranging from 16 to 109 patients, were included in this review. These studies were all clinical trials (7/7), and probiotics (7/7) was the model of intervention chosen. Probiotics showed a potential to relieve the symptoms of the study groups with a reduction of pruritus and SCORAD when compared to the placebo groups. However, their effectiveness varied according to the strain, period, and form of administration. Conclusions Many studies have demonstrated that probiotics improve the symptoms of atopic dermatitis and even its prevention. However, there is still much controversy and divergence concerning the real benefits. Despite this, probiotics have demonstrated a fair ability in improving AD adult patients’ symptoms in terms of decreasing pruritus and severity related to SCORAD.
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Perković L, Djedović E, Vujović T, Baković M, Paradžik T, Čož-Rakovac R. Biotechnological Enhancement of Probiotics through Co-Cultivation with Algae: Future or a Trend? Mar Drugs 2022; 20:md20020142. [PMID: 35200671 PMCID: PMC8880515 DOI: 10.3390/md20020142] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2022] [Revised: 02/08/2022] [Accepted: 02/12/2022] [Indexed: 12/18/2022] Open
Abstract
The diversity of algal species is a rich source of many different bioactive metabolites. The compounds extracted from algal biomass have various beneficial effects on health. Recently, co-culture systems between microalgae and bacteria have emerged as an interesting solution that can reduce the high contamination risk associated with axenic cultures and, consequently, increase biomass yield and synthesis of active compounds. Probiotic microorganisms also have numerous positive effects on various aspects of health and represent potent co-culture partners. Most studies consider algae as prebiotics that serve as enhancers of probiotics performance. However, the extreme diversity of algal organisms and their ability to produce a plethora of metabolites are leading to new experimental designs in which these organisms are cultivated together to derive maximum benefit from their synergistic interactions. The future success of these studies depends on the precise experimental design of these complex systems. In the last decade, the development of high-throughput approaches has enabled a deeper understanding of global changes in response to interspecies interactions. Several studies have shown that the addition of algae, along with probiotics, can influence the microbiota, and improve gut health and overall yield in fish, shrimp, and mussels aquaculture. In the future, such findings can be further explored and implemented for use as dietary supplements for humans.
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Affiliation(s)
- Lucija Perković
- Laboratory for Aquaculture Biotechnology, Division of Materials Chemistry, Ruđer Bošković Institute, Bijenička cesta 54, 10000 Zagreb, Croatia; (L.P.); (E.D.); (T.V.); (M.B.); (R.Č.-R.)
| | - Elvis Djedović
- Laboratory for Aquaculture Biotechnology, Division of Materials Chemistry, Ruđer Bošković Institute, Bijenička cesta 54, 10000 Zagreb, Croatia; (L.P.); (E.D.); (T.V.); (M.B.); (R.Č.-R.)
| | - Tamara Vujović
- Laboratory for Aquaculture Biotechnology, Division of Materials Chemistry, Ruđer Bošković Institute, Bijenička cesta 54, 10000 Zagreb, Croatia; (L.P.); (E.D.); (T.V.); (M.B.); (R.Č.-R.)
| | - Marija Baković
- Laboratory for Aquaculture Biotechnology, Division of Materials Chemistry, Ruđer Bošković Institute, Bijenička cesta 54, 10000 Zagreb, Croatia; (L.P.); (E.D.); (T.V.); (M.B.); (R.Č.-R.)
| | - Tina Paradžik
- Laboratory for Aquaculture Biotechnology, Division of Materials Chemistry, Ruđer Bošković Institute, Bijenička cesta 54, 10000 Zagreb, Croatia; (L.P.); (E.D.); (T.V.); (M.B.); (R.Č.-R.)
- Center of Excellence for Marine Bioprospecting (BioProCro), Ruđer Bošković Institute, Bijenička cesta 54, 10000 Zagreb, Croatia
- Correspondence:
| | - Rozelindra Čož-Rakovac
- Laboratory for Aquaculture Biotechnology, Division of Materials Chemistry, Ruđer Bošković Institute, Bijenička cesta 54, 10000 Zagreb, Croatia; (L.P.); (E.D.); (T.V.); (M.B.); (R.Č.-R.)
- Center of Excellence for Marine Bioprospecting (BioProCro), Ruđer Bošković Institute, Bijenička cesta 54, 10000 Zagreb, Croatia
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5
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The Role of Diet Modification in Atopic Dermatitis: Navigating the Complexity. Am J Clin Dermatol 2022; 23:27-36. [PMID: 34687433 DOI: 10.1007/s40257-021-00647-y] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/06/2021] [Indexed: 02/06/2023]
Abstract
Diet has long been understood to have an intricate association with atopic dermatitis, although much remains unelucidated. Skin barrier dysfunction with dysbiosis and consequent impairment of immune tolerance likely underly the pathogenesis of coincident atopic dermatitis and food allergy. There is a wide range of possible skin reactions to food, complicating the diagnosis and understanding of food allergies. Many patients, parents, and providers incorrectly suspect diet as causative of atopic dermatitis symptoms and many have tried elimination diets. This frequently leads to inaccurate labeling of food allergies, contributing to a dangerous spiral of inappropriate testing, referrals, and dietary changes, while neglecting established atopic dermatitis treatment essentials. Alternatively, certain dietary supplements or the introduction of certain foods may be beneficial for atopic dermatitis management or prevention. Greater consensus on the role of diet among providers of patients with atopic dermatitis is strongly encouraged to improve the management of atopic dermatitis.
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6
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Kamphorst K, Carpay NC, de Meij TGJ, Daams JG, van Elburg RM, Vlieger AM. Clinical outcomes following pre-, pro- and synbiotic supplementation after caesarean birth or antibiotic exposure in the first week of life in term born infants: A systematic review of the literature. Front Pediatr 2022; 10:974608. [PMID: 36299694 PMCID: PMC9589227 DOI: 10.3389/fped.2022.974608] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/21/2022] [Accepted: 09/16/2022] [Indexed: 11/13/2022] Open
Abstract
BACKGROUND Caesarean section and early exposure to antibiotics disrupt the developing gastrointestinal microbiome, which is associated with long-term health effects. OBJECTIVE The aim of this systematic review was to summarise the impact of prebiotics, probiotics, or synbiotics supplementation on clinical health outcomes of term infants born by caesarean section or exposed to antibiotics in the first week of life. DESIGN A systematic search was performed in Medline and Embase from inception to August 2021. Title and abstract screening (n = 11,248), full text screening (n = 48), and quality assessment were performed independently by two researchers. RESULTS Six RCTs studying caesarean born infants were included, group sizes varied between 32-193 with in total 752 children. No studies regarding supplementation after neonatal antibiotic exposure were found. Three studies administered a probiotic, one a prebiotic, one a synbiotic, and one study investigated a prebiotic and synbiotic. Several significant effects were reported at follow-up varying between 10 days and 13 years: a decrease in atopic diseases (n = 2 studies), higher immune response to tetanus and polio vaccinations (n = 2), lower response to influenza vaccination (n = 1), fewer infectious diseases (n = 2), and less infantile colic (n = 1), although results were inconsistent. CONCLUSIONS Supplementation of caesarean-born infants with prebiotics, probiotics, or synbiotics resulted in significant improvements in some health outcomes as well as vaccination responses. Due to the variety of studied products and the paucity of studies, no recommendations can be given yet on the routine application of prebiotics, probiotics, or synbiotics to improve health outcomes after caesarean section or neonatal antibiotic exposure.
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Affiliation(s)
- Kim Kamphorst
- Department of Pediatrics, Amsterdam UMC, Location University of Amsterdam, Amsterdam Gastroenterology and Metabolism Research Institute, Amsterdam, Netherlands.,Department of Pediatrics, St. Antonius Hospital, Nieuwegein, Netherlands
| | - Nora C Carpay
- Department of Pediatrics, Amsterdam UMC, Location University of Amsterdam, Amsterdam Gastroenterology and Metabolism Research Institute, Amsterdam, Netherlands
| | - Tim G J de Meij
- Department of Pediatric Gastroenterology, Amsterdam UMC, Location Vrije Universiteit Amsterdam, Amsterdam, Netherlands
| | - Joost G Daams
- Medical Library, Amsterdam UMC, Location University of Amsterdam, Amsterdam, Netherlands
| | - Ruurd M van Elburg
- Department of Pediatrics, Amsterdam UMC, Location University of Amsterdam, Amsterdam Gastroenterology and Metabolism Research Institute, Amsterdam, Netherlands
| | - Arine M Vlieger
- Department of Pediatrics, St. Antonius Hospital, Nieuwegein, Netherlands
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Probiotic Supplementation and Food Intake and Knowledge Among Patients and Consumers. Probiotics Antimicrob Proteins 2021; 12:824-833. [PMID: 31713116 DOI: 10.1007/s12602-019-09602-0] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
The consumption of probiotics has gained popularity, highlighting the importance for consumers and clinicians to be aware of their compositions and health effects. The primary objective was to determine incentives for taking probiotics and knowledge about probiotic composition among consumers of various education levels, ethnicities, and locations. A secondary objective was to determine brands, dosages, prices, advertised benefits, and refrigeration status of commercially available probiotics in the Sacramento region. This was a voluntary anonymous online survey conducted from May to August 2017. Surveys were administered at the University of California Davis (UCD) Dermatology Clinic, as well as at approved locations within a 100-mi. radius. Data analysis was performed at the UCD Dermatology clinic. Eligible participants age 18 years and older were asked to complete a voluntary anonymous online survey. A random sample of participants were recruited from the UCD Dermatology clinic, local schools, and health food stores within the designated parameters. We collected 396 surveys, 97% of which were completed. Of those surveyed, 39.4% have previously taken probiotics, 44.6% could identify at least one species present in their supplement, 42.5% could identify the number of strains, and 33.0% could identify the dosage. Gut health was the most common reason for taking probiotics (58.1%). Most rated price as important when purchasing probiotics (70.3%). Although probiotic use is prevalent in Sacramento, most people are unfamiliar with the composition of their supplement. More evidence is needed to guide consumers in making more educated decisions.
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The Role of the Intestinal Microbiota in Atopic Dermatitis. INTERNATIONAL JOURNAL OF DERMATOLOGY AND VENEREOLOGY 2021. [DOI: 10.1097/jd9.0000000000000152] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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9
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D'Auria E, Panelli S, Lunardon L, Pajoro M, Paradiso L, Beretta S, Loretelli C, Tosi D, Perini M, Bedogni G, Abdelsalam A, Fiorina P, Bandi C, Zuccotti GV. Rice flour fermented with Lactobacillus paracasei CBA L74 in the treatment of atopic dermatitis in infants: A randomized, double- blind, placebo- controlled trial. Pharmacol Res 2020; 163:105284. [PMID: 33157233 DOI: 10.1016/j.phrs.2020.105284] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/20/2020] [Revised: 10/27/2020] [Accepted: 10/27/2020] [Indexed: 12/22/2022]
Abstract
To assess the effect of a fermented rice-flour obtained from Lactobacillus paracasei CBA L74 in managing infants with moderate to severe atopic dermatitis. Infants with moderate to severe atopic dermatitis, aged 6-36 months, were randomly assigned to receive once-daily consumption of rice flour containing heat-killed probiotic Lactobacillus paracasei CBA L74 or placebo for 12 weeks as supplementary approach to topical treatment. Primary outcome was SCORAD index change from baseline to 12 weeks; secondary outcomes were gut microbiota composition, as evaluated by the analysis of fecal samples, and serum cytokines at baseline and at the end of the intervention period in both groups, and steroid usage over the treatment period and one month after stopping it. V3-V4 region of the 16S ribosomal RNA gene was sequenced to evaluate changes in the gut microbiota. SCORAD index decreased over the treatment period in both groups. The difference in the SCORAD change was -2.1 (-5.5 to 1.3; p = 0.223) for the experimental vs. the placebo group, not reaching the minimal clinical difference of 8.7 units. The use of topical steroids, measured as finger tips units, decreased from 4 to 16 weeks, in both groups; the reduction was significantly higher in experimental than in placebo group (p value from Wilcoxon rank sum test = 0.031). No significant differences were observed for cytokines levels between groups. The composition of gut microbiota at the phylum and class taxonomic levels resulted very similar, at baseline and after intervention, in both groups. Similarly, no significant differences were observed in the relative abundance of bacterial genera between groups. In conclusion, though the heat-killed Lactobacillus paracaseiwas not proved to be effective in reducing the severity of atopic dermatitis, it showed a steroid sparing effect the value of which needs to be further investigated.
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Affiliation(s)
- Enza D'Auria
- Department of Paediatrics, Vittore Buzzi Children's Hospital, University of Milan, Milan, Italy.
| | - Simona Panelli
- Pediatric Clinical Research Center "Invernizzi", University of Milan, Milan, Italy
| | - Luisa Lunardon
- Department of Paediatrics, Vittore Buzzi Children's Hospital, University of Milan, Milan, Italy
| | - Massimo Pajoro
- Pediatric Clinical Research Center "Invernizzi", University of Milan, Milan, Italy
| | - Laura Paradiso
- Department of Paediatrics, Vittore Buzzi Children's Hospital, University of Milan, Milan, Italy
| | - Silvia Beretta
- Department of Paediatrics, Vittore Buzzi Children's Hospital, University of Milan, Milan, Italy
| | - Cristian Loretelli
- Pediatric Clinical Research Center "Invernizzi", University of Milan, Milan, Italy
| | - Diego Tosi
- Department of Paediatrics, Vittore Buzzi Children's Hospital, University of Milan, Milan, Italy
| | - Matteo Perini
- Pediatric Clinical Research Center "Invernizzi", University of Milan, Milan, Italy
| | - Giorgio Bedogni
- Clinical Epidemiology Unit, Liver Research Center, Basovizza, Trieste, Italy
| | - Ahmed Abdelsalam
- Pediatric Clinical Research Center Fondazione Romeo e Enrica Invernizzi, Department of Biomedical and Clinical Science L. Sacco, University of Milan, Milan
| | - Paolo Fiorina
- Pediatric Clinical Research Center Fondazione Romeo e Enrica Invernizzi, Department of Biomedical and Clinical Science L. Sacco, University of Milan, Milan; Nephrology Division, Boston Children's Hospital, Harvard Medical School, Enders Building 5th Floor Room EN511, 300 Longwood Ave, Boston, MA, USA
| | - Claudio Bandi
- Pediatric Clinical Research Center Fondazione Romeo e Enrica Invernizzi, Department of Biomedical and Clinical Science L. Sacco, University of Milan, Milan
| | - Gian Vincenzo Zuccotti
- Department of Paediatrics, Vittore Buzzi Children's Hospital, University of Milan, Milan, Italy
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10
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Choo WT, Teoh ML, Phang SM, Convey P, Yap WH, Goh BH, Beardall J. Microalgae as Potential Anti-Inflammatory Natural Product Against Human Inflammatory Skin Diseases. Front Pharmacol 2020; 11:1086. [PMID: 32848730 PMCID: PMC7411303 DOI: 10.3389/fphar.2020.01086] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2020] [Accepted: 07/03/2020] [Indexed: 01/06/2023] Open
Abstract
The skin is the first line of defense against pathogen and other environmental pollutant. The body is constantly exposed to reactive oxygen species (ROS) that stimulates inflammatory process in the skin. Many studies have linked ROS to various inflammatory skin diseases. Patients with skin diseases face various challenges with inefficient and inappropriate treatment in managing skin diseases. Overproduction of ROS in the body will result in oxidative stress which will lead to various cellular damage and alter normal cell function. Multiple signaling pathways are seen to have significant effects during ROS-mediated oxidative stress. In this review, microalgae have been selected as a source of natural-derived antioxidant to combat inflammatory skin diseases that are prominent in today’s society. Several studies have demonstrated that bioactive compounds isolated from microalgae have anti-inflammation and anti-oxidative properties that can help remedy various skin diseases. These compounds are able to inhibit production of pro-inflammatory cytokines and reduce the expression of inflammatory genes. Bioactive compounds from microalgae work in action by altering enzyme activities, regulating cellular activities, targeting major signaling pathways related to inflammation.
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Affiliation(s)
- Wu-Thong Choo
- School of Biosciences, Taylor's University, Lakeside Campus, Subang Jaya, Malaysia
| | - Ming-Li Teoh
- School of Biosciences, Taylor's University, Lakeside Campus, Subang Jaya, Malaysia.,Institute of Ocean and Earth Sciences, University of Malaya, Kuala Lumpur, Malaysia.,National Antarctic Research Centre, Institute of Graduate Studies, University of Malaya, Kuala Lumpur, Malaysia
| | - Siew-Moi Phang
- Institute of Ocean and Earth Sciences, University of Malaya, Kuala Lumpur, Malaysia.,Faculty of Applied Sciences, UCSI University, Kuala Lumpur, Malaysia
| | - Peter Convey
- British Antarctic Survey, NERC, Cambridge, United Kingdom
| | - Wei-Hsum Yap
- School of Biosciences, Taylor's University, Lakeside Campus, Subang Jaya, Malaysia
| | - Bey-Hing Goh
- Biofunctional Molecule Exploratory Research Group (BMEX), School of Pharmacy, Monash University Malaysia, Bandar Sunway, Malaysia.,College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, China
| | - John Beardall
- School of Biological Sciences, Monash University, Clayton, VIC, Australia
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Untersmayr E, Bax HJ, Bergmann C, Bianchini R, Cozen W, Gould HJ, Hartmann K, Josephs DH, Levi‐Schaffer F, Penichet ML, O'Mahony L, Poli A, Redegeld FA, Roth‐Walter F, Turner MC, Vangelista L, Karagiannis SN, Jensen‐Jarolim E. AllergoOncology: Microbiota in allergy and cancer-A European Academy for Allergy and Clinical Immunology position paper. Allergy 2019; 74:1037-1051. [PMID: 30636005 PMCID: PMC6563061 DOI: 10.1111/all.13718] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2018] [Revised: 12/27/2018] [Accepted: 12/28/2018] [Indexed: 12/18/2022]
Abstract
The microbiota can play important roles in the development of human immunity and the establishment of immune homeostasis. Lifestyle factors including diet, hygiene, and exposure to viruses or bacteria, and medical interventions with antibiotics or anti-ulcer medications, regulate phylogenetic variability and the quality of cross talk between innate and adaptive immune cells via mucosal and skin epithelia. More recently, microbiota and their composition have been linked to protective effects for health. Imbalance, however, has been linked to immune-related diseases such as allergy and cancer, characterized by impaired, or exaggerated immune tolerance, respectively. In this AllergoOncology position paper, we focus on the increasing evidence defining the microbiota composition as a key determinant of immunity and immune tolerance, linked to the risk for the development of allergic and malignant diseases. We discuss novel insights into the role of microbiota in disease and patient responses to treatments in cancer and in allergy. These may highlight opportunities to improve patient outcomes with medical interventions supported through a restored microbiome.
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Affiliation(s)
- Eva Untersmayr
- Institute of Pathophysiology and Allergy ResearchCenter of Pathophysiology, Infectiology and ImmunologyMedical University ViennaViennaAustria
| | - Heather J. Bax
- St. John's Institute of DermatologySchool of Basic & Medical BiosciencesKing's College LondonGuy's HospitalLondonUK
- School of Cancer and Pharmaceutical SciencesKing's College LondonGuy's HospitalLondonUK
| | | | - Rodolfo Bianchini
- Comparative MedicineThe Interuniversity Messerli Research InstituteUniversity of Veterinary Medicine ViennaMedical University ViennaUniversity ViennaViennaAustria
| | - Wendy Cozen
- Center for Genetic EpidemiologyDepartment of Preventive MedicineKeck School of Medicine of University of Southern CaliforniaLos AngelesCaliforniaUSA
- Department of PathologyKeck School of Medicine of University of Southern CaliforniaLos AngelesCaliforniaUSA
- Norris Comprehensive Cancer CenterKeck School of Medicine of Los AngelesLos AngelesCaliforniaUSA
| | - Hannah J. Gould
- Randall Centre for Cell and Molecular BiophysicsSchool of Basic & Medical BiosciencesKing's College LondonNew Hunt's HouseLondonUK
- Medical Research Council & Asthma UK Centre in Allergic Mechanisms of AsthmaLondonUK
| | - Karin Hartmann
- Department of DermatologyUniversity of LuebeckLuebeckGermany
| | - Debra H. Josephs
- St. John's Institute of DermatologySchool of Basic & Medical BiosciencesKing's College LondonGuy's HospitalLondonUK
- School of Cancer and Pharmaceutical SciencesKing's College LondonGuy's HospitalLondonUK
| | - Francesca Levi‐Schaffer
- Pharmacology and Experimental Therapeutics UnitSchool of PharmacyFaculty of MedicineThe Institute for Drug ResearchThe Hebrew University of JerusalemJerusalemIsrael
| | - Manuel L. Penichet
- Division of Surgical OncologyDepartment of SurgeryDavid Geffen School of MedicineUniversity of California, Los AngelesCaliforniaUSA
- Department of Microbiology, Immunology and Molecular GeneticsDavid Geffen School of MedicineUniversity of California, Los AngelesCaliforniaUSA
- Jonsson Comprehensive Cancer CenterUniversity of CaliforniaLos AngelesCaliforniaUSA
- The Molecular Biology InstituteUniversity of CaliforniaLos AngelesCaliforniaUSA
- UCLA AIDS InstituteLos AngelesCaliforniaUSA
| | - Liam O'Mahony
- Departments of Medicine and MicrobiologyAPC Microbiome IrelandNational University of IrelandCorkIreland
| | - Aurelie Poli
- Department of Infection and ImmunityLuxembourg Institute of HealthEsch‐sur‐AlzetteLuxembourg
| | - Frank A. Redegeld
- Division of PharmacologyFaculty of ScienceUtrecht Institute for Pharmaceutical SciencesUtrecht UniversityUtrechtThe Netherlands
| | - Franziska Roth‐Walter
- Comparative MedicineThe Interuniversity Messerli Research InstituteUniversity of Veterinary Medicine ViennaMedical University ViennaUniversity ViennaViennaAustria
| | - Michelle C. Turner
- Barcelona Institute for Global Health (ISGlobal)BarcelonaSpain
- Universitat Pompeu Fabra (UPF)BarcelonaSpain
- CIBER Epidemiología y Salud Pública (CIBERESP)MadridSpain
- McLaughlin Centre for Population Health Risk AssessmentUniversity of OttawaOttawaOntarioCanada
| | - Luca Vangelista
- Department of Biomedical SciencesNazarbayev University School of MedicineAstanaKazakhstan
| | - Sophia N. Karagiannis
- St. John's Institute of DermatologySchool of Basic & Medical BiosciencesKing's College LondonGuy's HospitalLondonUK
| | - Erika Jensen‐Jarolim
- Institute of Pathophysiology and Allergy ResearchCenter of Pathophysiology, Infectiology and ImmunologyMedical University ViennaViennaAustria
- Comparative MedicineThe Interuniversity Messerli Research InstituteUniversity of Veterinary Medicine ViennaMedical University ViennaUniversity ViennaViennaAustria
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12
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Abstract
In the past forty-five years, the field of probiotics has grown from a handful of laboratory studies and clinical ideas into a legitimate research and translational entity conferring multiple benefits to humans around the world. This has been founded upon three principles: (i) the need for alterna-tives to drugs that either have sub-optimal efficacy or severe adverse effects; (ii) a growing interest in natural products and microbes, in particular cata-lyzed by studies showing the extent of microbes within humans and on our planet; and (iii) evidence on the genetics and metabolic properties of probi-otic strains, and clinical studies showing their effectiveness. While some man-ufacturers have sadly taken advantage of the market growth to sell supple-ments and foods they term probiotic, without the necessary human study evidence, there are more and more companies basing their formulations on science. Adherence to the definition of what constitutes a probiotic, conclu-sions based on tested products not generalizations of the whole field, and applications emanating from microbiome research identifying new strains that provide benefits, will make the next forty-five years significantly changed approaches to health management. Exciting applications will emerge for car-diovascular, urogenital, respiratory, brain, digestive and skin health, detoxifi-cation, as well as usage across the world's ecosystems.
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Affiliation(s)
- Scarlett Puebla-Barragan
- Departments of Microbiology & Immunology, and Surgery, Western University.,Lawson Health Research Institute
| | - Gregor Reid
- Departments of Microbiology & Immunology, and Surgery, Western University.,Lawson Health Research Institute
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Cream Cheese-Derived Lactococcus chungangensis CAU 28 Modulates the Gut Microbiota and Alleviates Atopic Dermatitis in BALB/c Mice. Sci Rep 2019; 9:446. [PMID: 30679532 PMCID: PMC6345912 DOI: 10.1038/s41598-018-36864-5] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2018] [Accepted: 11/27/2018] [Indexed: 12/26/2022] Open
Abstract
Atopic dermatitis (AD) has a drastic impact on human health owing to complex skin, gut microbiota, and immune responses. Some lactic acid bacteria (LAB) are effective in ameliorating AD; however, the alleviative effects of dairy products derived from these LAB remain unclear. In this study, the efficacies of Lactococcus chungangensis CAU 28 (CAU 28) cream cheese and L. chungangensis CAU 28 dry cells were evaluated for treating AD in an AD mouse model. Overall, CAU 28 cream cheese administration was more effective against AD than L. chungangensis CAU 28 dry cells. Faeces from CAU 28 cream cheese-administered mice had increased short chain fatty acid, butyrate, acetate, and lactic acid levels, as well as butyrate-producing bacteria, including Akkermansia, Bacteroides, Lactobacillus, and Ruminococcus. Furthermore, oral CAU 28 cream cheese administration resulted in regulatory T cell (Treg)-mediated suppression of T helper type 2 (Th2) immune responses in serum and mRNA expression levels in the ileum. Oral CAU 28 cream cheese further reduced IgE levels, in addition to eosinophil and mast cell numbers. Therefore, CAU 28 cream cheese administration induced a coordinated immune response involving short-chain fatty acids and gut microbiota, indicating its potential for use as a supplement for AD mitigation.
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Nwanodi O. Skin Protective Nutraceuticals: The Current Evidence in Brief. Healthcare (Basel) 2018; 6:healthcare6020040. [PMID: 29734688 PMCID: PMC6023352 DOI: 10.3390/healthcare6020040] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2018] [Revised: 04/16/2018] [Accepted: 05/01/2018] [Indexed: 01/02/2023] Open
Abstract
Nutraceuticals are important for healthy skin maintenance. Probiotics, phenolics, and vitamins are just a few of the nutraceuticals meant to potentially prevent and assist medical management of dermatologic conditions. Among these, probiotics, vitamin E, and green tea catechins may offer the broadest array of skin protective mechanisms with probiotics having the greatest clinical range. Probiotics’ amelioration of atopic dermatitis and opportunistic infections of skin burns has been targeted in recent research efforts. This includes the improvement of Scoring Atopic Dermatitis index scores, p = 0.02, with intact Lactobacillus rhamnosus Goldin and Gorbach (LGG) in comparison to heat inactivated LGG or placebo. Lactobacillus reuteri used prior to or concurrently with Staphylococcus aureus infection can increase epidermal keratinocyte survival, p < 0.01. Phenolics may not have been extensively studied for atopic dermatitis or skin burns. However, phenolics do have a role in photoprotection. The phenolic rutin increases ultraviolet B radiation filter reactive oxygen species scavenging at 75%, p < 0.002, and peak wavelength absorption, p < 0.001. While oral and topical probiotics have untapped potential for atopic dermatitis amelioration and skin infection prevention, phenolics will be increasingly used for photoprotection. With optimized bioavailability, dosage, and formulation, nutraceuticals will become crucial for healthy skin maintenance.
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Affiliation(s)
- Oroma Nwanodi
- Obstetrics and Gynecology Locum Tenens, Salinas, CA 93902, USA.
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Alvi S, Javeed A, Akhtar B, Sharif A, Akhtar MF. Probiotics for cure of Helicobacter pylori infection: A review. INTERNATIONAL JOURNAL OF FOOD PROPERTIES 2017. [DOI: 10.1080/10942912.2016.1233432] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Sadia Alvi
- Department of Pharmacology and Toxicology, University of Veterinary and Animal Sciences, Lahore, Pakistan
| | - Aqeel Javeed
- Department of Pharmacology and Toxicology, University of Veterinary and Animal Sciences, Lahore, Pakistan
| | - Bushra Akhtar
- Institute of Pharmacy, Physiology and Pharmacology, University of Agriculture, Faisalabad, Pakistan
| | - Ali Sharif
- Department of Pharmacy, University of Lahore, Lahore, Pakistan
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Nosrati A, Afifi L, Danesh MJ, Lee K, Yan D, Beroukhim K, Ahn R, Liao W. Dietary modifications in atopic dermatitis: patient-reported outcomes. J DERMATOL TREAT 2017; 28:523-538. [PMID: 28043181 DOI: 10.1080/09546634.2016.1278071] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
BACKGROUND Patients with atopic dermatitis (AD) commonly turn to dietary modifications to manage their skin condition. OBJECTIVES To investigate patient-reported outcomes and perceptions regarding the role of diet in AD. METHODS One hundred and sixty nine AD patients were surveyed in this cross-sectional study. The 61-question survey asked about dietary modifications, perceptions and outcomes. RESULTS Eighty seven percent of participants reported a trial of dietary exclusion. The most common were junk foods (68%), dairy (49.7%) and gluten (49%). The best improvement in skin was reported when removing white flour products (37 of 69, 53.6%), gluten (37 of 72, 51.4%) and nightshades (18 of 35, 51.4%). 79.9% of participants reported adding items to their diet. The most common were vegetables (62.2%), fish oil (59.3%) and fruits (57.8%). The best improvement in skin was noted when adding vegetables (40 of 84, 47.6%), organic foods (17 of 43, 39.5%) and fish oil (28 of 80, 35%). Although 93.5% of patients believed it was important that physicians discuss with them the role of diet in managing skin disease, only 32.5% had consulted their dermatologist. CONCLUSIONS Since dietary modifications are extremely common, the role of diet in AD and potential nutritional benefits and risks need to be properly discussed with patients.
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Affiliation(s)
- Adi Nosrati
- a Department of Dermatology , University of California San Francisco , San Francisco , CA , USA
| | - Ladan Afifi
- a Department of Dermatology , University of California San Francisco , San Francisco , CA , USA
| | - Melissa J Danesh
- a Department of Dermatology , University of California San Francisco , San Francisco , CA , USA
| | - Kristina Lee
- a Department of Dermatology , University of California San Francisco , San Francisco , CA , USA
| | - Di Yan
- a Department of Dermatology , University of California San Francisco , San Francisco , CA , USA
| | - Kourosh Beroukhim
- a Department of Dermatology , University of California San Francisco , San Francisco , CA , USA
| | - Richard Ahn
- a Department of Dermatology , University of California San Francisco , San Francisco , CA , USA
| | - Wilson Liao
- a Department of Dermatology , University of California San Francisco , San Francisco , CA , USA
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Kantor R, Silverberg JI. Environmental risk factors and their role in the management of atopic dermatitis. Expert Rev Clin Immunol 2016; 13:15-26. [PMID: 27417220 DOI: 10.1080/1744666x.2016.1212660] [Citation(s) in RCA: 191] [Impact Index Per Article: 23.9] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
INTRODUCTION The etiology of atopic dermatitis (AD) is multifactorial with interaction between genetics, immune and environmental factors. Areas covered: We review the role of prenatal exposures, irritants and pruritogens, pathogens, climate factors, including temperature, humidity, ultraviolet radiation, outdoor and indoor air pollutants, tobacco smoke exposure, water hardness, urban vs. rural living, diet, breastfeeding, probiotics and prebiotics on AD. Expert commentary: The increased global prevalence of AD cannot be attributed to genetics alone, suggesting that evolving environmental exposures may trigger and/or flare disease in predisposed individuals. There is a complex interplay between different environmental factors, including individual use of personal care products and exposure to climate, pollution, food and other exogenous factors. Understanding these complex risk factors is crucial to developing targeted interventions to prevent the disease in millions. Moreover, patients require counseling on optimal regimens for minimization of exposure to irritants and pruritogens and other harmful exposures.
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Affiliation(s)
- Robert Kantor
- a Department of Dermatology , Northwestern University , Chicago , IL , USA
| | - Jonathan I Silverberg
- b Departments of Dermatology, Preventive Medicine and Medical Social Sciences , Northwestern University , Chicago , IL , USA
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Mariman R, Reefman E, Tielen F, Persoon-Deen C, van de Mark K, Worms N, Koning F, Nagelkerken L. Lactobacillus plantarum NCIMB8826 ameliorates inflammation of colon and skin in human APOC1 transgenic mice. Benef Microbes 2016; 7:215-25. [DOI: 10.3920/bm2015.0074] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Genetic predisposition and environmental factors, including the gut microbiota, have been suggested as major factors in the development and progression of atopic dermatitis. Hyperlipidemic human APOC1+/+ transgenic mice display many features of human atopic dermatitis, such as scaling, lichenification, excoriations, and pruritus, along with a disturbed skin barrier function. Cytokine analysis of serum shows an increase of various pro-inflammatory cytokines, including interleukin (IL)-12p40, IL-6, and IL-1α, but lower levels of interferon-γ. These mice also display aspects of colitis evident from macroscopic and histological abnormalities. Genome-wide transcriptome analysis of the intestine shows up-regulation of several genes associated with mast cells and eosinophils and this observation was confirmed by demonstrating increased numbers of IgE+ and FcRε+ mast cells in the colon and in the skin. Oral treatment with Lactobacillus plantarum NCIMB8826 resulted in decreased numbers of mast cells in the colon. Moreover, this L. plantarum strain ameliorated skin pathology, evident from improved skin barrier integrity, absence of skin thickening, and less excoriations. These results suggest that modulation of intestinal immune homeostasis contributes to the suppression of atopic dermatitis.
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Affiliation(s)
- R. Mariman
- TNO, Metabolic Health Research, Zernikedreef 9, 2333 CK Leiden, the Netherlands
- Leiden University Medical Centrum, Department of Immunohematology and Bloodtransfusion, Albinusdreef 2, 2333 ZA Leiden, the Netherlands
| | - E. Reefman
- TNO, Metabolic Health Research, Zernikedreef 9, 2333 CK Leiden, the Netherlands
| | - F. Tielen
- TNO, Metabolic Health Research, Zernikedreef 9, 2333 CK Leiden, the Netherlands
| | - C. Persoon-Deen
- TNO, Metabolic Health Research, Zernikedreef 9, 2333 CK Leiden, the Netherlands
| | - K. van de Mark
- TNO, Metabolic Health Research, Zernikedreef 9, 2333 CK Leiden, the Netherlands
| | - N. Worms
- TNO, Metabolic Health Research, Zernikedreef 9, 2333 CK Leiden, the Netherlands
| | - F. Koning
- Leiden University Medical Centrum, Department of Immunohematology and Bloodtransfusion, Albinusdreef 2, 2333 ZA Leiden, the Netherlands
| | - L. Nagelkerken
- TNO, Metabolic Health Research, Zernikedreef 9, 2333 CK Leiden, the Netherlands
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van den Nieuwboer M, Brummer RJ, Guarner F, Morelli L, Cabana M, Claassen E. Safety of probiotics and synbiotics in children under 18 years of age. Benef Microbes 2015; 6:615-30. [PMID: 25809217 DOI: 10.3920/bm2014.0157] [Citation(s) in RCA: 43] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
This study aimed to systematically evaluate safety of probiotics and synbiotics in children ageing 0-18 years. This study is the third and final part in a safety trilogy and an update is provided using the most recent available clinical data (2008-2013) by means of the Common Terminology Clinical Adverse Events (CTCAE version 4.0) classification. Safety aspects are represented and related to number of participants per probiotic strain/culture, study duration, dosage, clinical condition and selected afflictions. Analysis of 74 clinical studies indicated that probiotic and/or synbiotic administration in children is safe with regard to the specific evaluated strains, dosages and duration. The population of children include healthy, immune compromised and obese subjects, as well as subjects with intestinal disorders, infections and inflammatory disorders. This study revealed no major safety concerns, as the adverse events (AEs) were unrelated, or not suspected to be related, to the probiotic or synbiotic product. In general the study products were well tolerated. Overall, AEs occurred more frequent in the control arm compared to children receiving probiotics and/or synbiotics. Furthermore, the results indicate inadequate reporting and classification of AEs in the majority of the studies. In addition, generalizability of conclusions are greatly limited by the inconsistent, imprecise and potentially incomplete reporting as well as the variation in probiotic strains, dosages, administration regimes, study populations and reported outcomes.
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Affiliation(s)
- M van den Nieuwboer
- 1 VU University Amsterdam, Athena Institute, De Boelelaan 1085, 1081 HV Amsterdam, the Netherlands
| | - R J Brummer
- 2 School of Health and Medical Sciences, Örebro University, 701 82 Örebro, Sweden
| | - F Guarner
- 3 Digestive System Research Unit, CIBERehd, University Hospital Vall d'Hebron, 08035 Barcelona, Spain
| | - L Morelli
- 4 Istituto di Microbiologia, Università Cattolica S.C., Via Emilia Parmense 84, 29122 Piacenza, Italy
| | - M Cabana
- 5 University of California San Francisco (UCSF), Departments of Pediatrics, Epidemiology and Biostatistics, 3333 California Street, #245, San Francisco, CA 94118, USA
| | - E Claassen
- 1 VU University Amsterdam, Athena Institute, De Boelelaan 1085, 1081 HV Amsterdam, the Netherlands.,6 Erasmus Medical Center, Department of Viroscience, P.O. Box 2040, 3000 CA Rotterdam, the Netherlands
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Treatment of atopic dermatitis eczema with a high concentration of Lactobacillus salivarius LS01 associated with an innovative gelling complex: a pilot study on adults. J Clin Gastroenterol 2014; 48 Suppl 1:S47-51. [PMID: 25291127 DOI: 10.1097/mcg.0000000000000249] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
GOALS To evaluate the efficacy of a highly concentrated Lactobacillus salivarius preparation containing a gelling complex formed by Streptococcus thermophilus ST10 and tara gum in the treatment of atopic dermatitis (AD). BACKGROUND Previous studies have demonstrated an improvement in AD symptoms after administration of the probiotic strain L. salivarius LS01. S. thermophilus ST10 and tara gum create a gelling complex that adheres to intestinal mucus and improves barrier function. STUDY A prospective, controlled pilot trial was carried out to evaluate how the association of S. thermophilus ST10 and tara gum could improve the activity of L. salivarius LS01 administered at high doses to adults with AD. Twenty-five patients were included into the study: 13 were treated for 1 month with the active formulation, whereas 12 represented the placebo group. Scoring Atopic Dermatitis index was determined before and at the end of probiotic administration. Fecal samples were also collected to evaluate changes in bacterial counts of Staphylococcus aureus and clostridia. RESULTS A significant improvement in SCORAD index was observed in the probiotic group after 1 month of treatment, whereas no significant changes occurred in placebo patients. A slight decrease in fecal S. aureus count was observed in probiotic-treated patients. CONCLUSIONS Data obtained in this study suggest a potential role for L. salivarius LS01 in the treatment of AD. The addition of tara gum and S. thermophilus ST10 seems to improve the overall efficacy of the probiotic strain, in particular shortening the time required for the onset of the positive effects. Further studies to investigate the activity of this preparation are advisable.
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Strom MA, Lio PA. Alternative Medicine in Pediatric Dermatology: What Is the Evidence? CURRENT DERMATOLOGY REPORTS 2014. [DOI: 10.1007/s13671-014-0086-x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
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Eichenfield LF, Totri C. Optimizing outcomes for paediatric atopic dermatitis. Br J Dermatol 2014; 170 Suppl 1:31-7. [PMID: 24720616 DOI: 10.1111/bjd.12976] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/20/2014] [Indexed: 11/30/2022]
Abstract
Atopic dermatitis (AD) is considered the most prevalent chronic inflammatory condition in very young children, with a prevalence approaching 20% in some industrialized countries. Recent advances in the understanding of the aetiology and pathogenesis of AD - particularly in relation to genetically determined skin barrier dysfunction and the role of microbial infections in AD flares - have helped to galvanize thinking on approaches to treatment in young patients. Topical anti-inflammatory medicines (corticosteroids and calcineurin inhibitors) in addition to emollients are the mainstay of therapy in children, but parents need help to understand how and when to apply them and reassurance to allay their fears about the long-term effects of these treatments. At the same time, more work is required in order to identify which clinical signs, symptoms, long-term control of flares, and quality of life measures are the best outcome domains for AD clinical trials in order to continue to improve control of AD in children.
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Affiliation(s)
- L F Eichenfield
- Pediatric and Adolescent Dermatology, Rady Children's Hospital, San Diego, CA, U.S.A; School of Medicine, University of California, San Diego, CA, U.S.A
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Park SB, Im M, Lee Y, Lee JH, Lim J, Park YH, Seo YJ. Effect of emollients containing vegetable-derived lactobacillus in the treatment of atopic dermatitis symptoms: split-body clinical trial. Ann Dermatol 2014; 26:150-5. [PMID: 24882967 PMCID: PMC4037665 DOI: 10.5021/ad.2014.26.2.150] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2012] [Revised: 02/05/2013] [Accepted: 02/28/2013] [Indexed: 11/18/2022] Open
Abstract
Background Atopic dermatitis (AD) patients suffer from xerosis. Proper skin care, including the use of emollients, may help improve xerosis and minimize disease exacerbation. Lactobacillus sakei probio 65, isolated from the Korean vegetable-based product kimchi, can decrease interleukin 4 and immunoglobulin E levels and inhibit Staphylococcus aureus. Moreover, it has reportedly shown positive dermatological effects in both animal and clinical studies. Objective To compare the effects of an emollient that contains Lactobacillus (treated) with a normal emollient (control) on AD. Methods This double-blind, randomized, split-body clinical trial involved 28 patients with AD. The patients applied the Lactobacillus-containing emollient on one side of their body and the control emollient on the other side twice daily for 4 weeks. Trans-epidermal water loss (TEWL) and skin capacitance were evaluated and investigator global assessment and the visual analogue scale (VAS) were administered on weeks 0, 1, 2, and 4. Results The treated sides had significantly lower TEWL and VAS values and significantly higher skin capacitance values over time than the control sides. Conclusion Topical application of Lactobacillus-containing emollients may improve the skin permeability of patients with AD.
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Affiliation(s)
- Seung Bae Park
- Department of Dermatology, Chungnam National University School of Medicine, Daejeon, Korea
| | - Myung Im
- Department of Dermatology, Chungnam National University School of Medicine, Daejeon, Korea
| | - Young Lee
- Department of Dermatology, Chungnam National University School of Medicine, Daejeon, Korea
| | - Jeung Hoon Lee
- Department of Dermatology, Chungnam National University School of Medicine, Daejeon, Korea
| | - Jeongheui Lim
- Department of Applied Microbiology and Biotechnology, Yeungnam University, Gyeongsan, Korea
| | - Yong-Ha Park
- Department of Applied Microbiology and Biotechnology, Yeungnam University, Gyeongsan, Korea
| | - Young Joon Seo
- Department of Dermatology, Chungnam National University School of Medicine, Daejeon, Korea
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Abstract
Atopic dermatitis (AD) continues to present significant therapeutic challenges, especially in severe cases. Navigating the line between risk and benefit can be difficult for more powerful medications such as immunosuppressants, but non-pharmacologic treatments are often overlooked and underutilized. Creative application of these more physical therapies can serve to minimize the pharmacologic treatments and their side effects, and possibly even create synergy between modalities, to maximize benefit to the patient.
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Affiliation(s)
- Peter A Lio
- Clinical Dermatology & Pediatrics, Northwestern University Feinberg School of Medicine, 1455 N. Milwaukee Ave, 2nd Floor, Chicago, IL, 60622, USA,
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Yang HJ, Min TK, Lee HW, Pyun BY. Efficacy of Probiotic Therapy on Atopic Dermatitis in Children: A Randomized, Double-blind, Placebo-controlled Trial. ALLERGY, ASTHMA & IMMUNOLOGY RESEARCH 2013; 6:208-15. [PMID: 24843795 PMCID: PMC4021238 DOI: 10.4168/aair.2014.6.3.208] [Citation(s) in RCA: 38] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/26/2013] [Revised: 06/13/2013] [Accepted: 07/18/2013] [Indexed: 11/24/2022]
Abstract
Purpose To evaluate a therapeutic efficacy of probiotics mixture (probiotics) in the treatment of children with mild-to-moderate atopic dermatitis (AD). Methods Randomized, double-blind, placebo-controlled, parallel trial with a washout period of 2 weeks and an intervention period for 6 weeks, conducted from November 2010 to October 2011. One hundred children with mild to moderate AD (2-9 years old) were randomly allocated to the probiotics (Lactobacilluss casei, Lactobacillus rhamnosus, Lactobacillus plantarum, and Bifidobacterium lactis) or placebo groups. The assessment of efficacy was based on the change in eczema area severity index (EASI), visual analogue scale for pruritus (VASP), fecal cell counts of each strains (log10[cell counts/g stool]), and serum cytokine levels (Interleukin-4 [IL-4]; IL-10; Tumor necrosis factor alpha, [TNF-α]) in weeks 0 and 6. Results Demographics and baseline characteristics at the week 0 were not significantly different between the 2 groups. The significant increments in fecal-cell counts were observed in the probiotcs group at week 6 (P=0.00), while the cytokine levels between the 2 groups were not significantly different in week 6 (IL-4, P=0.50; IL-10, P=0.58; TNF-α, P=0.82). The probiotics significantly improved clinical severity after 6 weeks' intervention of probiotics; however, the placebo group also showed significant improvement (EASI; P=0.00, VASP; P=0.00). Conclusions Our findings showed that probiotics successfully colonized in the intestine after 6 weeks' intervention; nevertheless, we could not find an additional therapeutic or immunomodulatory effects on the treatment of AD. Further long-term studies will be necessary to clarify the therapeutic efficacy of probiotics.
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Affiliation(s)
- Hyeon-Jong Yang
- Pediatric Allergy and Respiratory Center, Department of Pediatrics, Soonchunhyang University Hospital, Soonchunhyang University College of Medicine, Seoul, Korea
| | - Taek Ki Min
- Pediatric Allergy and Respiratory Center, Department of Pediatrics, Soonchunhyang University Hospital, Soonchunhyang University College of Medicine, Seoul, Korea
| | - Hae Won Lee
- Pediatric Allergy and Respiratory Center, Department of Pediatrics, Soonchunhyang University Hospital, Soonchunhyang University College of Medicine, Seoul, Korea
| | - Bok Yang Pyun
- Pediatric Allergy and Respiratory Center, Department of Pediatrics, Soonchunhyang University Hospital, Soonchunhyang University College of Medicine, Seoul, Korea
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The management of paediatric allergy: not everybody's cup of tea--10-11th February 2012. Curr Opin Allergy Clin Immunol 2013; 13 Suppl 1:S1-50. [PMID: 23377496 DOI: 10.1097/aci.0b013e32835e8b94] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
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Foligné B, Daniel C, Pot B. Probiotics from research to market: the possibilities, risks and challenges. Curr Opin Microbiol 2013; 16:284-92. [PMID: 23866974 DOI: 10.1016/j.mib.2013.06.008] [Citation(s) in RCA: 105] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2013] [Revised: 06/20/2013] [Accepted: 06/25/2013] [Indexed: 12/13/2022]
Abstract
Probiotic foods can affect large parts of the population, while therapeutic applications have a less wide scope. While commercialization routes and regulatory requirements differ for both applications, both will need good scientific support. Today, probiotics are mainly used for gastrointestinal applications, their use can easily be extended to skin, oral and vaginal health. While most probiotics currently belong to food-grade species, the future may offer new functional microorganisms in food and pharma. This review discusses the crosstalk between probiotic producers, regulatory people, medical care and healthcare workers, and the scientific community.
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Affiliation(s)
- Benoit Foligné
- Institut Pasteur de Lille, Lactic acid Bacteria & Mucosal Immunity, Center for Infection and Immunity of Lille, 1, rue du Pr Calmette, BP 245, F-59019 Lille, France
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Wahn U. Considering 25 years of research on allergy prevention--have we let ourselves down? Pediatr Allergy Immunol 2013; 24:308-10. [PMID: 23692326 DOI: 10.1111/pai.12092] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Affiliation(s)
- Ulrich Wahn
- Department of Pediatric Pulmonology/Immunology; Charité; Berlin
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Ellis CN, Mancini AJ, Paller AS, Simpson EL, Eichenfield LF. Understanding and managing atopic dermatitis in adult patients. ACTA ACUST UNITED AC 2013; 31:S18-22. [PMID: 23021781 DOI: 10.1016/j.sder.2012.07.006] [Citation(s) in RCA: 43] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Abstract
Atopic dermatitis (AD) in adults is an important dermatologic disease. Even in patients in whom the clinical presentation is mild, the burden of disease can be considerable. Relatively little has been published on adult AD compared to the body of literature devoted to AD in children, although adults with severe AD are greatly affected by the disease. Even when AD is a mild clinical disease in adults, the psychosocial and economic burden of the disease can be profound. Patients are likely to find it useful if these nondermatologic comorbidities of AD are addressed by health care providers in clinical encounters. The treatment options for AD in adults are the same as those for children with AD, with some modifications.
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Affiliation(s)
- Charles N Ellis
- Department of Dermatology, University of Michigan Medical School, Ann Arbor, MI 48109-5314, USA.
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Current issues in atopic comorbidities and preventing the atopic march. ACTA ACUST UNITED AC 2013; 31:S6-9. [PMID: 23021784 DOI: 10.1016/j.sder.2012.08.001] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
The individual, family, and public health burden of atopic dermatitis (AD) is considerable. The prevalence of AD is high, the signs and symptoms of the disease adversely affect quality of life for patients and their families, and the comorbid conditions associated with AD can increase considerably the negative impact of the disease. These comorbid conditions patients with AD are susceptible to include skin infectious, IgE-mediated diseases, and mental health disorders. New research identifies the skin barrier as not only an important initiator of atopic dermatitis but may even be a site for allergic sensitization to protein antigens. The skin barrier represents a potential new target for novel atopic prevention strategies.
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Management of difficult-to-treat atopic dermatitis. THE JOURNAL OF ALLERGY AND CLINICAL IMMUNOLOGY-IN PRACTICE 2012; 1:142-51. [PMID: 24565453 DOI: 10.1016/j.jaip.2012.09.002] [Citation(s) in RCA: 116] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/05/2012] [Revised: 09/15/2012] [Accepted: 09/19/2012] [Indexed: 12/24/2022]
Abstract
Atopic dermatitis is a complex disorder caused by the interplay between multiple genetic and environmental factors. Particularly in patients with severe disease, the effect is not just an itchy rash but also the secondary effects on the psychological well-being of the patient and their carers, particularly disturbed sleep. The aim of this review is to provide health care professionals with a holistic approach to the management of difficult-to-treat atopic dermatitis, defined as atopic dermatitis seemingly unresponsive to simple moisturizers and mild potency (classes VI and VII) topical corticosteroids. The critical importance of education and advice is emphasized, as is the seminal role of secondary bacterial infection and polyclonal T-cell activation in causing acute flares in patients with severe, generalized disease. In atypical cases or those that do not respond to treatment, alternative diagnoses should be considered.
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Abstract
This review highlights the progress made in food allergy (FA) and anaphylaxis research in pediatrics published in the journal Pediatric Allergy and Immunology since 2010. Putative risk factors for FA are as follows: a family history of allergic disease, particularly in the mother, low birth order, season of birth, and severe atopic eczema. Obstetric practices, antibiotic use, and home environment are factors deserving further research. Diagnostic decision levels and component-specific IgE are useful in the diagnosis of FA; however, oral food challenges remain the gold standard and may also be a means to reduce parental anxiety and to improve education. Oral immunotherapy studies show promise in increasing the threshold of reactivity of allergic patients and therefore improving their quality of life. In single-nut-allergic patients, introduction of other nuts allows broadening the diet and thus reducing the psychological impact of allergen avoidance. Nutritional deficiencies are not uncommon in food-allergic children and should be specifically assessed. The prescription of injectable adrenaline is still insufficient and not consistent among practitioners, requiring improved training and implementation of guidelines. Current research into the epidemiology and immunological mechanisms of FA and tolerance will enable us to devise strategies to both prevent and treat food allergies.
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Affiliation(s)
- Alexandra F Santos
- Department of Pediatric Allergy, Division of Asthma, Allergy & Lung Biology, King's College London, MRC & Asthma UK Centre in Allergic Mechanisms of Asthma, London, UK.
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Han Y, Kim B, Ban J, Lee J, Kim BJ, Choi BS, Hwang S, Ahn K, Kim J. A randomized trial of Lactobacillus plantarum CJLP133 for the treatment of atopic dermatitis. Pediatr Allergy Immunol 2012; 23:667-73. [PMID: 23050557 DOI: 10.1111/pai.12010] [Citation(s) in RCA: 92] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 08/30/2012] [Indexed: 12/22/2022]
Abstract
BACKGROUND There have been considerable disagreements regarding the therapeutic effects of probiotics in atopic dermatitis (AD). We performed this study to examine whether the oral administration of Lactobacillus plantarum CJLP133 improves pediatric AD. METHODS In a randomized, double-blind, placebo-controlled study, either L. plantarum CJLP133 at a dosage of 0.5 × 10(10) colony-forming units or placebo in children aged 12 months to 13 yr was given twice a day for 12 wk. SCOring of Atopic Dermatitis (SCORAD) scores, eosinophil counts, serum total IgE, and cytokines were evaluated. RESULTS Forty-four of 58 patients in the probiotic group and 39 of 60 patients in the placebo group completed the study. The SCORAD score at week 14 was lower in the probiotic group than in the placebo group (p = 0.044). The mean change in the SCORAD score from weeks 2 to 14 was 9.1 in the probiotic group, which was greater than the mean change of 1.8 in the placebo group (p = 0.004). No statistical differences in the total use of topical corticosteroids were found between two groups (p = 0.815). In the probiotic group, the total eosinophil count was significantly lower at the end of the intervention compared to the baseline measurements (p = 0.023). Logarithmic IFN-γ and IL-4 were significantly decreased by the end of the intervention compared to baseline measurements in the probiotic group (p < 0.001 and 0.049). CONCLUSIONS Our results suggest that supplementation with probiotic L. plantarum CJLP133 is beneficial in the treatment of pediatric AD.
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Affiliation(s)
- Youngshin Han
- Department of Pediatrics, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
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Probiotics and atopic dermatitis in children. Pharmaceuticals (Basel) 2012; 5:727-44. [PMID: 24281709 PMCID: PMC3763666 DOI: 10.3390/ph5070727] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2012] [Revised: 06/26/2012] [Accepted: 06/29/2012] [Indexed: 12/21/2022] Open
Abstract
There is increasing interest in the potential beneficial role of probiotic supplementation in the prevention and treatment of atopic diseases in children. Probiotics are defined as ingested live microorganisms that, when administered in an adequate amount, confer a health benefit to the host. They are mainly represented by Lactobacilli and Bifidobacteria. Several epidemiological data demonstrate that intestinal microflora of atopic children is different from the one of healthy children. Many literature data show that probiotics may modulate the intestinal microflora composition and may have immunomodulatory effect. Based on this hypothesis, probiotics are supposed to confer benefits to allergic diseases. Administration of probiotics when a natural population of indigenous intestinal bacteria is still developing could theoretically influence immune development by favoring the balance between Th1 and Th2 inflammatory responses. For this reason, some studies have evaluated the potential impact of probiotics supplementation in the prevention of atopic dermatitis, with contrasting results. Clinical improvement in immunoglobulin (Ig)E-sensitized (atopic) eczema following probiotic supplementation has been reported in some published studies and the therapeutic effects of probiotics on atopic dermatitis seemed to be encouraging. However, as far as the usefulness of probiotics as a prevention strategy is concerned, results are still inconclusive. In fact, the clinical benefits of probiotic therapy depend upon numerous factors, such as the type of bacteria, dosing regimen, delivery method and other underlying host factors, such as age and diet. More studies are still needed to definitively prove the role of probiotics in the treatment of allergic eczema.
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Won TJ, Kim B, Lee Y, Bang JS, Oh ES, Yoo JS, Hyung KE, Yoon J, Hwang S, Park ES, Park SY, Hwang KW. Therapeutic potential of Lactobacillus plantarum CJLP133 for house-dust mite-induced dermatitis in NC/Nga mice. Cell Immunol 2012; 277:49-57. [PMID: 22726349 DOI: 10.1016/j.cellimm.2012.05.013] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2011] [Revised: 05/18/2012] [Accepted: 05/30/2012] [Indexed: 12/11/2022]
Abstract
Lactobacillus plantarum CJLP133 was isolated from Kimchi, a Korean fermented food, and its potential to improve mouse atopic dermatitis after onset was studied. Dermatitis was developed through house dust-mite extract application onto NC/Nga mice, and then CJLP133 feeding was started. CJLP133 suppressed dermatitis-like skin lesions and decreased high serum IgE levels through balancing between IL-4 and IFN-γ in serum. CJLP133 diminished skin thickening, mast cell accumulation into inflamed site, and lymph node enlargement. In lymph node cells, CJLP133 repressed secretion of T cell cytokines such as IFN-γ, IL-4, IL-5, and IL-10. However, CJLP133 decreased ratios of IFN-γ and IL-5 to IL-10 in lymph node cells, while it did not decrease ratios of IL-4 and IL-5 to IFN-γ. Conclusively, CJLP133 exhibited therapeutic potential for atopic dermatitis in mice through orderly increment of type 1 helper T cell activation and regulatory T cell activation. These results suggest that CJLP133 could treat human atopic dermatitis.
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Affiliation(s)
- Tae Joon Won
- Laboratory of Host Defense Modulation, College of Pharmacy, Chung-Ang University, 221 Heukseok-dong, Dongjak-gu, Seoul 156-756, Republic of Korea
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Probiotics Supplementation During Pregnancy or Infancy for the Prevention of Atopic Dermatitis. Epidemiology 2012; 23:402-14. [DOI: 10.1097/ede.0b013e31824d5da2] [Citation(s) in RCA: 201] [Impact Index Per Article: 16.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
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Barzegari A, Saei AA. Designing probiotics with respect to the native microbiome. Future Microbiol 2012; 7:571-5. [DOI: 10.2217/fmb.12.37] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
It is now well known that genetic and environmental factors affect the intestinal microbiome in an individual’s lifetime and thus, different individuals possess different intestinal microbiomes and microbial metabolomes. The intestinal microbiome has been shown to differ among individuals from the same sex, between sexes and between individuals of different ages. Different families and, from a larger perspective, different communities, possess different microbiomes, and thus corresponding metagenomes. Therefore, it can be deduced that each individual human being can be characterized by his/her own intestinal microbial fingerprint. This understanding may prove helpful in future individualized medicine. These microorganisms are natural beneficial symbionts of the GI tract, have adapted to their human host over million years of coevolution and are now regarded as the second human genome. The difference in intestinal microbiome of different populations may explain why the results from different clinical trials on probiotic efficacy do not match with each other. People pay much, but they benefit little. In this article, it is recommended to isolate probiotics from natives’ microbiomes and in the interest of efficacy, to use them in the same population. This line of thought can be considered in future guidelines from the Food and Agriculture Organization and the WHO on evaluation of probiotics in foods.
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Affiliation(s)
- Abolfazl Barzegari
- Research Centre for Pharmaceutical Nanotechnology, Faculty of Pharmacy, Tabriz University of Medical Sciences, Daneshgah Street, Tabriz, 5165665811, Iran
| | - Amir Ata Saei
- Research Centre for Pharmaceutical Nanotechnology, Faculty of Pharmacy, Tabriz University of Medical Sciences, Daneshgah Street, Tabriz, 5165665811, Iran
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Wichmann K, Heratizadeh A, Werfel T. Nahrungsmittelallergie bei atopischer Dermatitis. Hautarzt 2012; 63:315-24. [DOI: 10.1007/s00105-011-2263-1] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Ringel-Kulka T. Targeting the intestinal microbiota in the pediatric population: a clinical perspective. Nutr Clin Pract 2012; 27:226-34. [PMID: 22402406 DOI: 10.1177/0884533612439895] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
The intestinal microbiota is a functional organ with a variety of important metabolic, trophic, immunologic, and digestive activities. Current data suggest that alterations in the intestinal microbiota may be related to disease conditions. Manipulation of the intestinal microbiota such as with probiotics, prebiotics, and synbiotics may be beneficial in preventing and treating certain disease conditions. This article provides an overview of the evidence gathered through randomized clinical trials, reviews, and meta-analyses on probiotics and prebiotics in commonly studied conditions in the pediatric population. It concludes with current recommendations for their use, noting safety and gaps in clinical evidence.
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Affiliation(s)
- Tamar Ringel-Kulka
- Department of Maternal and Child Health, Gillings School of Global Public Health, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599-7445, USA.
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Advances in Management of Atopic Dermatitis: New Therapies and Novel Uses of Existing Treatments. ACTA ACUST UNITED AC 2012; 31:17-24. [DOI: 10.1016/j.sder.2011.11.005] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2011] [Revised: 10/22/2011] [Accepted: 11/07/2011] [Indexed: 11/24/2022]
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Current world literature. Curr Opin Pediatr 2011; 23:700-7. [PMID: 22068136 DOI: 10.1097/mop.0b013e32834dda34] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Abstract
Food allergy predominantly affects children rather than adults with atopic dermatitis (AD). Early food sensitization has been found to be significantly associated with AD. Three different patterns of clinical reactions to food allergens in AD patients have been identified: 1) immediate-type symptoms, 2) isolated eczematous late-type reactions, and 3) combined reactions. Whereas in children, allergens from cow's milk, hen's egg, soy, wheat, fish, peanut, or tree nuts are primarily responsible for allergic reactions, birch pollen-related food allergens seem to play a major role in adolescent and adults with AD in Central and Northern Europe. Defects in the epidermal barrier function seem to facilitate the development of sensitization to allergens following epicutaneous exposure. The relevance of defects in the gut barrier as well as genetic characteristics associated with an increased risk of food allergy remain to be further investigated. Many studies focus on sufficient strategies of prevention, which actually include breastfeeding or feeding with hydrolyzed formula during the first 4 months of life.
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Won TJ, Kim B, Song DS, Lim YT, Oh ES, Lee DI, Park ES, Min H, Park SY, Hwang KW. Modulation of Th1/Th2 balance by Lactobacillus strains isolated from Kimchi via stimulation of macrophage cell line J774A.1 in vitro. J Food Sci 2011; 76:H55-61. [PMID: 21535768 DOI: 10.1111/j.1750-3841.2010.02031.x] [Citation(s) in RCA: 42] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
UNLABELLED Lactobacilli isolated from Kimchi, a Korean traditional food, were tested for their capacity to modulate the T helper (Th) 1/Th2 balance. Ovalbumin (OVA)-sensitized mouse splenocytes were cultured with 26 strains of lactobacilli; the highest IL-12 induction and lowest IL-4 production were then observed in 4 strains, including Lactobacillus plantarum CJLP55, CJLP56, CJLP133, and CJLP136. These strains produced a larger amount of IL-12, which enhances differentiation and activation of Th1 cells, in macrophage cell-lines more than positive control strains L. casei KCTC 3109(T) and L. rhamnosus GG, although they also induced production of IL-10, which is a suppressor of IL-12. Indeed, CJLP133-stimulated macrophages induced production of more Th1 cytokine IFN-γ and less Th2 cytokine IL-4 than KCTC 3109(T) and GG in co-cultivation with T cells. These findings suggest that lactobacilli from Kimchi may modulate the Th1/Th2 balance via macrophage activation in the hypersensitive reaction caused by Th2 cells. PRACTICAL APPLICATION Allergic reactions including asthma and atopy are caused by predominance of Th2 response over Th1 response. Lactobacilli isolated from fermented foods such as yogurt, cheese, and Kimchi showed health-promoting activities. The present study indicated that several lactobacilli strains from Kimchi may reduce allergic reactions through macrophage-mediated induction of Th1 response.
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Affiliation(s)
- Tae Joon Won
- Immune Modulation Lab, Chung-Ang Univ, 221 Heukseok-dong, Dongjak-gu, Seoul 156-756, Republic of Korea
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Michos A, Terzidis A, Kanariou M, Kalampoki V, Koilia C, Giannaki M, Liatsis M, Pangalis A, Petridou E. Association of allergic sensitization with infectious diseases burden in Roma and non-Roma children. Pediatr Allergy Immunol 2011; 22:243-8. [PMID: 20573034 DOI: 10.1111/j.1399-3038.2010.01086.x] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
The hypothesis whether exposure to certain infections protects from atopy remains equivocal. To further investigate this, we compared serologic markers of infection and allergic sensitization prevalence in Roma children, who live under unfavorable hygienic conditions that facilitate the spread of infections, and non-Roma children who live in the same area. Analyses included 98 Roma and 118 non-Roma children. Serum IgG antibodies for 13 foodborne- airborne- and bloodborne infectious agents were determined, and a cumulative index of exposure was calculated by adding one point for each positive infection. Specific serum IgE to certain common food- and aero-allergens was also tested. and positivity to any of them was defined as indication of atopy. Roma children were found significantly more seropositive for T. gondii, Hepatitis A, H. pylori, HSV-1, CMV, and Hepatitis B (p < 0.0001). Non-Roma children were found more seropositive for RSV and M. pneumonia (p < 0.0001). Regarding the overall prevalence of atopy or the specific IgE responses to the allergens tested, no statistically significant differences were found between Roma and non-Roma children. A positive association of the cumulative index of exposure to infections with atopy was found in the non-Roma children (OR: 1.38, 95% CI: 1.08-1.75, p = 0.01) and in the total population (OR: 1.42, 95% CI: 1.11-1.83, p = 0.01). Regarding the specific infectious agents tested, a statistically significant positive association of atopy with seropositivity was found for M. pneumoniae in the non-Roma children (OR: 3.93, 95% CI: 1.39) as well as in the total population studied (OR: 2.83, 95% CI: 1.32-6.07, p = 0.01). Despite the higher burden of exposure to the battery of the infectious agents tested among Roma children, no protective effect for allergic disease development was evident. On the contrary, a positive association of exposure to infections with evidence of atopy was found, especially evident in the non-Roma children.
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Affiliation(s)
- Athanasios Michos
- Department of Hygiene, Epidemiology and Medical Statistics, Athens University Medical School, 1st Pediatric Department, Division of Infectious Diseases, University of Athens, Athens, Greece
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Abstract
This clinical report reviews the currently known health benefits of probiotic and prebiotic products, including those added to commercially available infant formula and other food products for use in children. Probiotics are supplements or foods that contain viable microorganisms that cause alterations of the microflora of the host. Use of probiotics has been shown to be modestly effective in randomized clinical trials (RCTs) in (1) treating acute viral gastroenteritis in healthy children; and (2) preventing antibiotic-associated diarrhea in healthy children. There is some evidence that probiotics prevent necrotizing enterocolitis in very low birth weight infants (birth weight between 1000 and 1500 g), but more studies are needed. The results of RCTs in which probiotics were used to treat childhood Helicobacter pylori gastritis, irritable bowel syndrome, chronic ulcerative colitis, and infantile colic, as well as in preventing childhood atopy, although encouraging, are preliminary and require further confirmation. Probiotics have not been proven to be beneficial in treating or preventing human cancers or in treating children with Crohn disease. There are also safety concerns with the use of probiotics in infants and children who are immunocompromised, chronically debilitated, or seriously ill with indwelling medical devices. Prebiotics are supplements or foods that contain a nondigestible food ingredient that selectively stimulates the favorable growth and/or activity of indigenous probiotic bacteria. Human milk contains substantial quantities of prebiotics. There is a paucity of RCTs examining prebiotics in children, although there may be some long-term benefit of prebiotics for the prevention of atopic eczema and common infections in healthy infants. Confirmatory well-designed clinical research studies are necessary.
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