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Lei D, Zhang J, Zhu T, Zhang L, Man MQ. Interplay between diabetes mellitus and atopic dermatitis. Exp Dermatol 2024; 33:e15116. [PMID: 38886904 DOI: 10.1111/exd.15116] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2024] [Revised: 05/07/2024] [Accepted: 05/24/2024] [Indexed: 06/20/2024]
Abstract
Inflammatory dermatoses such as atopic dermatitis (AD) have long been linked to the pathogenesis of diabetes mellitus. Indeed, numerous studies show an increased risk of diabetes mellitus in individuals with AD although lower prevalence of diabetes mellitus is also observed in few studies. Though the underlying mechanisms accounting for the reciprocal influence between these two conditions are still unclear, the complex interplay between diabetes mellitus and AD is attributable, in part, to genetic and environmental factors, cytokines, epidermal dysfunction, as well as drugs used for the treatment of AD. Proper management of one condition can mitigate the other condition. In this review, we summarize the evidence of the interaction between diabetes mellitus and AD, and discuss the possible underlying mechanisms by which these two conditions influence each other.
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Affiliation(s)
- Dongyun Lei
- Department of Dermatology, Tianjin Academy of Traditional Chinese Medicine Affiliated Hospital, Tianjin, China
| | - Jiechen Zhang
- Department of Dermatology, Tongren Hospital, Shanghai Jiaotong University, School of Medicine, Shanghai, China
| | - Tingting Zhu
- Department of Dermatology, The First Affiliated Hospital of Soochow University, Suzhou, China
| | - Litao Zhang
- Department of Dermatology, Tianjin Academy of Traditional Chinese Medicine Affiliated Hospital, Tianjin, China
| | - Mao-Qiang Man
- Dermatology Hospital, Southern Medical University, Guangzhou, China
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Sendrea AM, Cristea S, Salavastru CM. Association Between Increased Body Mass Index (BMI) and Atopic Dermatitis in Children Attending a Tertiary Referral Center: A Case-Control Study. Cureus 2024; 16:e60770. [PMID: 38774465 PMCID: PMC11107859 DOI: 10.7759/cureus.60770] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/21/2024] [Indexed: 05/24/2024] Open
Abstract
Background Atopic dermatitis (AD) and obesity represent chronic diseases, with growing worldwide prevalence, that rely on a common pathophysiological background: perpetual inflammation. Moreover, AD is considered more and more to be a beyond-the-skin disease with various associated comorbidities. This study aimed to investigate a potential link between overweight/obese status and AD in children. Methods A case-control study was performed on 130 AD patients and 130 exact age and sex match controls that attended the Pediatric Dermatology Department of Colentina Clinical Hospital. Based on the weight (in kilograms) and height (in centimeters), the body mass index (BMI), and the corresponding age and gender percentiles were assessed in both groups; study participants were divided as normal-weight, underweight, overweight, or obese. AD severity was evaluated using the Scoring Atopic Dermatitis Index (SCORAD), and quality of life impairment was assessed with the Dermatology Life Quality Index (DLQI). Descriptive statistics, t-tests, and logistic regression with odds ratios (OR) and associated 95% confidence intervals (CI) were used for data analysis. Results A statistically significantly higher BMI was identified in the AD group compared to controls (p=0.027). The relative risk for overweight/obese status in the AD group compared to controls was three times more frequent (OR 3.61, 95% CI 1.45-10.3, p<0.01). Additionally, the increased BMI in the AD group correlated significantly with disease severity as determined by SCORAD (p<0.05), with a relative risk for overweight/obese status in the moderate-severe AD subgroup being 20 times more frequent as compared to mild AD (OR 20.4, 95% CI 6.53-90.7, p<0.001). Conclusions To our knowledge, this is the first study to evaluate the correlation between AD and BMI in Romanian children. Statistically significant correlations between increased BMI, AD development, and AD severity in children were identified in our study population. This study's small sample size and single-center study design represent possible limitations. Additional, larger, multicentric studies are required to establish a more precise correlation between AD and obesity. Physicians should be aware of this potential association in order to perform obesity screening in AD children for more appropriate multidisciplinary management of such patients.
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Affiliation(s)
- Adelina-Maria Sendrea
- Pediatric Dermatology, Carol Davila University of Medicine and Pharmacy, Bucharest, ROU
- Dermatology Reseach Unit, Colentina Clinical Hospital, Bucharest, ROU
- Pediatric Dermatology, Colentina Clinical Hospital, Bucharest, ROU
| | - Sinziana Cristea
- Integrated Drug Development Consulting, Certara USA, Inc., Princeton, USA
| | - Carmen Maria Salavastru
- Pediatric Dermatology, Carol Davila University of Medicine and Pharmacy, Bucharest, ROU
- Pediatric Dermatology, Colentina Clinical Hospital, Bucharest, ROU
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Cabalín C, Dibarrart M, Núñez-Rosales JJ, Faunes M, Avaca M, Ávalos P, Fabres J, Álvarez-Figueroa MJ, Vera-Kellet C, Silva-Valenzuela S, Sáez CG, Borzutzky A. Vernix caseosa reveals mechanistic clues linking maternal obesity to atopic dermatitis pathogenesis. J Allergy Clin Immunol 2024; 153:860-867.e1. [PMID: 38048884 DOI: 10.1016/j.jaci.2023.09.042] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2023] [Revised: 08/22/2023] [Accepted: 09/28/2023] [Indexed: 12/06/2023]
Abstract
BACKGROUND Maternal overweight and obesity have been associated with an increased risk of atopic dermatitis (AD) in the offspring, but the underlying mechanisms are unclear. Vernix caseosa (VC) is a proteolipid material covering the fetus produced during skin development. However, whether maternal prepregnancy weight excess influences fetal skin development is unknown. Characterizing the VC of newborns from mothers with prepregnancy overweight and obesity might reveal AD-prone alterations during fetal skin development. OBJECTIVE We sought to explore AD biomarkers and staphylococcal loads in VC from the offspring of mothers who were overweight/obese (O/O) before pregnancy versus in those from offspring of normal weight mothers. METHODS The VC of newborns of 14 O/O and 12 normal weight mothers were collected immediately after birth. Biomarkers were determined by ELISA and staphylococcal species by quantitative PCR. RESULTS The VC from the O/O group showed decreased expression of skin barrier proteins (filaggrin and loricrin) and increased levels of proinflammatory biomarkers (IgA, thymic stromal lymphopoietin [TSLP], S100A8, IL-25, and IL-33). No differences in concentrations of antimicrobial peptides and enzymes were detected. The VC from the O/O group had a lower Staphylococcus epidermidis and Staphylococcus hominis commensal bacterial load, whereas Staphylococcus aureus bacterial load was not significantly different between the 2 groups. Maternal body mass index was negatively correlated with VC filaggrin expression and S epidermidis load and was positively associated with TSLP concentration. One-year follow-up established that the offspring of O/O mothers had a higher incidence of AD that was specifically linked with decreased VC filaggrin expression and lower S epidermidis load. CONCLUSIONS VC from neonates of mothers with prepregnancy overweight and obesity exhibit skin barrier molecular alterations and staphylococcal dysbiosis that suggest early mechanistic clues to this population's increased risk of AD.
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Affiliation(s)
- Carolina Cabalín
- Department of Pediatric Infectious Diseases and Immunology, School of Medicine, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Marisol Dibarrart
- Department of Pediatric Infectious Diseases and Immunology, School of Medicine, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Juan José Núñez-Rosales
- Department of Pediatric Infectious Diseases and Immunology, School of Medicine, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Miriam Faunes
- Department of Neonatology, School of Medicine, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Mónica Avaca
- Department of Neonatology, School of Medicine, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Patricia Ávalos
- Department of Neonatology, School of Medicine, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Jorge Fabres
- Department of Neonatology, School of Medicine, Pontificia Universidad Católica de Chile, Santiago, Chile
| | | | - Cristian Vera-Kellet
- Department of Dermatology, School of Medicine, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Sergio Silva-Valenzuela
- Department of Dermatology, School of Medicine, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Claudia G Sáez
- Department of Hematology and Oncology, School of Medicine, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Arturo Borzutzky
- Department of Pediatric Infectious Diseases and Immunology, School of Medicine, Pontificia Universidad Católica de Chile, Santiago, Chile.
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Yang B, Man MQ. Improvement in Cutaneous Conditions Can Benefit Some Health Conditions in the Elderly. Clin Interv Aging 2023; 18:2031-2040. [PMID: 38058550 PMCID: PMC10697145 DOI: 10.2147/cia.s430552] [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: 07/14/2023] [Accepted: 11/17/2023] [Indexed: 12/08/2023] Open
Abstract
As we are aging, a number of cutaneous and extracutaneous disorders will be developed. Although the pathogenesis of these aging-associated disorders is not clear yet, abnormalities in the skin are linked to some aging-associated disorders at least to some extent. Inflammatory dermatoses such as psoriasis and atopic dermatitis predispose to the development of cardiovascular diseases, obesity and type 2 diabetes. In addition, both chronologically aged skin and individuals with some aging-associated systemic conditions display altered epidermal function, such as reduced stratum corneum hydration levels, which can provoke cutaneous inflammation. Because aged skin exhibits higher expression levels of inflammatory cytokines, which play a pathogenic role in a variety of aging-associated health condition, the association of the skin with some aging-associated disorders is likely mediated by inflammation. This postulation is supported by the evidence that improvement in either epidermal function or inflammatory dermatoses can mitigate some aging-associated disorders such as mild cognitive impairment and insulin sensitivity. This perspective discusses the association of the skin with aging-associated disorders and highlights the potential of improvement in cutaneous conditions in the management of some health conditions in the elderly.
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Affiliation(s)
- Bin Yang
- Dermatology Hospital of Southern Medical University, Guangzhou, 510091, People’s Republic of China
| | - Mao-Qiang Man
- Dermatology Hospital of Southern Medical University, Guangzhou, 510091, People’s Republic of China
- Dermatology Services, Veterans Affairs Medical Center and University of California, San Francisco, CA, 94121, USA
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Yang B, Lai Q, Chen A, Ye L, Wang X, Lai Y, Liu D, Man MQ. Body Mass Index z Scores Correlate with Epidermal Function in Chinese Children. Diabetes Metab Syndr Obes 2023; 16:3393-3401. [PMID: 37929059 PMCID: PMC10624195 DOI: 10.2147/dmso.s435512] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/15/2023] [Accepted: 10/15/2023] [Indexed: 11/07/2023] Open
Abstract
Background/Objective Epidermal function is altered in a number of cutaneous and extracutaneous disorders. To determine whether epidermal function is also altered in children with obesity, we assessed the correlation between the body mass index (BMI) z score and epidermal function in children. Participants and Methods Participants were enrolled from outpatient clinic, schools and kindergartens. Epidermal biophysical properties, including transepidermal water loss rate, stratum corneum hydration and skin surface pH, were measured on the flexor forearm and shin. Correlations between epidermal biophysical properties and BMI were analyzed. In addition, the association of epidermal biophysical properties with BMI z score was also determined. Results Overall, BMI did not differ significantly between boys and girls among the age groups. BMI z scores correlated negatively with stratum corneum hydration levels and positively with skin surface pH in boys, but not in girls. The negative correlation between TEWL and BMI z score was not significant. Moreover, stratum corneum hydration levels were lower in boys with a BMI z score of ≥2 than in those with a BMI z score of -2 to 0.99. Conclusion Both stratum corneum hydration levels and skin surface pH are significantly correlated with BMI z scores in boys, but not in girls. Whether epidermal function influences BMI or vice versa remains to be determined.
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Affiliation(s)
- Bin Yang
- Department of Dermatology, Dermatology Hospital, Southern Medical University, Guangzhou City, Guangdong, 510091, People’s Republic of China
| | - Qingsong Lai
- Department of Dermatology, Medical Center for Public Health of Puning, Puning City, Guangdong, 515300, People’s Republic of China
| | - Aiqi Chen
- Department of Dermatology, Medical Center for Public Health of Puning, Puning City, Guangdong, 515300, People’s Republic of China
| | - Li Ye
- Department of Dermatology, Dermatology Hospital, Southern Medical University, Guangzhou City, Guangdong, 510091, People’s Republic of China
| | - Xiaohua Wang
- Department of Dermatology, Dermatology Hospital, Southern Medical University, Guangzhou City, Guangdong, 510091, People’s Republic of China
| | - Yulin Lai
- Department of Dermatology, Medical Center for Public Health of Puning, Puning City, Guangdong, 515300, People’s Republic of China
| | - Dan Liu
- Department of Product Development, Dermatology Hospital, Southern Medical University, Guangzhou City, Guangdong, 510091, People’s Republic of China
| | - Mao-Qiang Man
- Department of Product Development, Dermatology Hospital, Southern Medical University, Guangzhou City, Guangdong, 510091, People’s Republic of China
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Morąg B, Kozubek P, Gomułka K. Obesity and Selected Allergic and Immunological Diseases-Etiopathogenesis, Course and Management. Nutrients 2023; 15:3813. [PMID: 37686844 PMCID: PMC10489982 DOI: 10.3390/nu15173813] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2023] [Revised: 08/25/2023] [Accepted: 08/29/2023] [Indexed: 09/10/2023] Open
Abstract
Obesity is a global problem. It affects every age group and is associated with many negative health effects. As an example, there is a relationship between obesity and allergic and immunological diseases, such as asthma, psoriasis, food allergies, allergic rhinitis and atopic dermatitis. Obesity undeniably affects their development. In addition, it causes adverse changes in the course and response to therapy in relation to patients without excessive body weight. The treatment of diseases associated with obesity is difficult; drugs are less effective and must be used in higher doses, and their use in patients with obesity is often associated with higher risks. The main form of treatment of all obesity-related diseases is a change in eating habits and increased physical activity, which leads to a decrease in body fat mass. The positive effect of reducing BMI has been confirmed in many independent studies. This paper reviews various types of research documents published since 2019. It aims to systematize the latest knowledge and highlight the need for further research for effective and sustainable treatment options for obesity, its complications and obesity-related diseases.
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Affiliation(s)
- Bartłomiej Morąg
- Faculty of Dentistry, Wroclaw Medical University, 50-425 Wrocław, Poland;
| | - Patrycja Kozubek
- Student Scientific Group of Adult Allergology, Wroclaw Medical University, 50-369 Wrocław, Poland
| | - Krzysztof Gomułka
- Clinical Department of Internal Medicine, Pneumology and Allergology, Wroclaw Medical University, 50-369 Wrocław, Poland;
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Zhang P. The Role of Diet and Nutrition in Allergic Diseases. Nutrients 2023; 15:3683. [PMID: 37686715 PMCID: PMC10490368 DOI: 10.3390/nu15173683] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2023] [Revised: 08/17/2023] [Accepted: 08/20/2023] [Indexed: 09/10/2023] Open
Abstract
Allergic diseases are a set of chronic inflammatory disorders of lung, skin, and nose epithelium characterized by aberrant IgE and Th2 cytokine-mediated immune responses to exposed allergens. The prevalence of allergic diseases, including asthma, allergic rhinitis, and atopic dermatitis, has increased dramatically worldwide in the past several decades. Evidence suggests that diet and nutrition play a key role in the development and severity of allergic diseases. Dietary components can differentially regulate allergic inflammation pathways through host and gut microbiota-derived metabolites, therefore influencing allergy outcomes in positive or negative ways. A broad range of nutrients and dietary components (vitamins A, D, and E, minerals Zn, Iron, and Se, dietary fiber, fatty acids, and phytochemicals) are found to be effective in the prevention or treatment of allergic diseases through the suppression of type 2 inflammation. This paper aims to review recent advances in the role of diet and nutrition in the etiology of allergies, nutritional regulation of allergic inflammation, and clinical findings about nutrient supplementation in treating allergic diseases. The current literature suggests the potential efficacy of plant-based diets in reducing allergic symptoms. Further clinical trials are warranted to examine the potential beneficial effects of plant-based diets and anti-allergic nutrients in the prevention and management of allergic diseases.
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Affiliation(s)
- Ping Zhang
- Center for Integrative Conservation, Yunnan Key Laboratory for the Conservation of Tropical Rainforests and Asian Elephants, Xishuangbanna Tropical Botanical Garden, Chinese Academy of Sciences, Xishuangbanna 6663030, China
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