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Danciu AM, Ghitea TC, Bungau AF, Vesa CM. The Crucial Role of Diet Therapy and Selenium on the Evolution of Clinical and Paraclinical Parameters in Patients with Metabolic Syndrome. J Nutr Metab 2023; 2023:6632197. [PMID: 37790730 PMCID: PMC10545462 DOI: 10.1155/2023/6632197] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2023] [Revised: 08/29/2023] [Accepted: 09/16/2023] [Indexed: 10/05/2023] Open
Abstract
Oxidative stress (OS) is associated with metabolic syndrome (MS) and represents a complex disease association that has become a major challenge in the field of public health. The aim of this study was to investigate the effectiveness of introducing selenium in the management of OS, while considering a balanced diet based on a healthy lifestyle and dietary therapy. A total of 206 individuals participated voluntarily in the study, divided into three groups: the control group with 35 individuals (17.0%) designated as control lot (LC), the group undergoing diet therapy with 119 individuals (57.8%) designated as diet therapy lot (LD), and the group undergoing diet therapy supplemented with selenium consisting of 52 individuals (25.2%) designated as diet therapy with selenium lot (LD + Se). The study assessed various clinical parameters (such as body mass index (BMI), body weight status, fat mass, visceral fat, and sarcopenic index), paraclinical parameters (including HOMA index, cholesterol, triglycerides, C-reactive protein, and glycosylated haemoglobin (HGS)), as well as OS parameters (measured using the FORD test, FORT test, and MIXED test). The LD + Se group demonstrated the most favourable results in terms of BMI reduction, decreased fat and visceral mass, reduced levels of C-reactive protein, and improved glycosylated haemoglobin levels. By implementing a balanced diet therapy and supplementing the diet with selenium, it was possible to achieve a reduction in adipose tissue and glycosylated haemoglobin levels, ultimately contributing to the reduction of OS in the body.
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Affiliation(s)
- Adrian Marius Danciu
- Doctoral School of Biological and Biomedical Sciences, University of Oradea, 410087 Oradea, Romania
| | - Timea Claudia Ghitea
- Faculty of Medicine and Pharmacy, Pharmacy Department, University of Oradea, 410068 Oradea, Romania
| | - Alexa Florina Bungau
- Doctoral School of Biological and Biomedical Sciences, University of Oradea, 410087 Oradea, Romania
| | - Cosmin Mihai Vesa
- Faculty of Medicine and Pharmacy, Medicine Department, University of Oradea, 410068 Oradea, Romania
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Bungau AF, Radu AF, Bungau SG, Vesa CM, Tit DM, Endres LM. Oxidative stress and metabolic syndrome in acne vulgaris: Pathogenetic connections and potential role of dietary supplements and phytochemicals. Biomed Pharmacother 2023; 164:115003. [PMID: 37315434 DOI: 10.1016/j.biopha.2023.115003] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2023] [Revised: 06/06/2023] [Accepted: 06/08/2023] [Indexed: 06/16/2023] Open
Abstract
Acne vulgaris is a highly prevalent skin condition caused by androgen-induced elevated sebum secretion, abnormal keratinization, bacterial colonization, and inflammation. Current research indicates a link between acne vulgaris and the metabolic syndrome, a group of disorders that includes obesity, insulin resistance, hypertension, and dyslipidemia. This link is thought to be modulated by excessive concentrations of oxidative stress markers and chronic inflammation, which are included in the pathophysiological mechanisms shared by both conditions. Excessive generation of reactive oxygen species damages cellular components and initiates an inflammatory response, hence promoting the development of both disorders. The current narrative review focuses on the molecular implications of inflammatory, hormonal, and environmental factors in the acne-metabolic syndrome correlation. Furthermore, it outlines the current state of knowledge related to the phyto-therapeutic approach to these conditions as an adjuvant strategy to allopathic treatment, but future multicenter and larger-scale research studies are needed establish new algorithms to be included in the future management of patients with these conditions.
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Affiliation(s)
- Alexa Florina Bungau
- Doctoral School of Biological and Biomedical Sciences, University of Oradea, 410087 Oradea, Romania
| | - Andrei Flavius Radu
- Doctoral School of Biological and Biomedical Sciences, University of Oradea, 410087 Oradea, Romania; Department of Preclinical Disciplines, Faculty of Medicine and Pharmacy, University of Oradea, 410073 Oradea, Romania.
| | - Simona Gabriela Bungau
- Doctoral School of Biological and Biomedical Sciences, University of Oradea, 410087 Oradea, Romania; Department of Pharmacy, Faculty of Medicine and Pharmacy, University of Oradea, 410028 Oradea, Romania.
| | - Cosmin Mihai Vesa
- Doctoral School of Biological and Biomedical Sciences, University of Oradea, 410087 Oradea, Romania; Department of Preclinical Disciplines, Faculty of Medicine and Pharmacy, University of Oradea, 410073 Oradea, Romania
| | - Delia Mirela Tit
- Doctoral School of Biological and Biomedical Sciences, University of Oradea, 410087 Oradea, Romania; Department of Pharmacy, Faculty of Medicine and Pharmacy, University of Oradea, 410028 Oradea, Romania
| | - Laura Maria Endres
- Department of Psycho-Neurosciences and Recovery, Faculty of Medicine and Pharmacy, University of Oradea, 410073 Oradea, Romania
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Şeker P, Rişvanlı A, Şeker İ, Çalıcıoğlu M. Determination of the levels of 17-β Estradiol and Progesterone in Cow milk and Baby Follow-on milk by ELISA. REVISTA CIENTÍFICA DE LA FACULTAD DE CIENCIAS VETERINARIAS 2023. [DOI: 10.52973/rcfcv-e33222] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/25/2023]
Abstract
The current study was undertaken to determine the 17-β Estradiol (E2) and Progesterone (P4) levels in different milk products and some baby follow-on milk samples collected from retail markets in Türkiye. For this purpose, a total of 50 samples from 8 different product groups with different fat levels, production technologies, and production series were analyzed for natural P4 and E2 levels using a commercial ELISA kit. The highest E2 level was determined in UHT whole milk (3%) (39.20 ± 6.73 pmol·L-1) while the lowest level was found in buttermilk (26.50 ± 1.85 pmol·L-1) samples. For P4 levels, the highest concentration were found in baby follow-on milk (<1 year old) (45.83 ± 2.95 nmol·L-1) and the lowest values were found in pasteurized milk samples (23.00 ± 6.66 nmol·L-1). Also, in this study, differences among the product groups for E2 and P4 were not found statistically (P>0.05). In conclusion, the natural P4 and E2 were detected in all milk and baby follow-on milks at various levels and generally their levels associated with the product fat level.
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Affiliation(s)
- Pınar Şeker
- Elazig Provincial Directorate of Agriculture and Forestry, Food and Feed Branch, Elazığ, Türkiye
| | - Ali Rişvanlı
- Kyrgyz-Turkish Manas University, Faculty of Veterinary Medicine, Department of Obstetrics and Gynecology. Bishkek, Kyrgyzstan - Firat University, Faculty of Veterinary Medicine, Department of Obstetrics and Gynecology. Elazığ, Türkiye
| | - İbrahim Şeker
- Fırat University, Faculty of Veterinary Medicine, Department of Zootechny, Elazığ, Türkiye
| | - Mehmet Çalıcıoğlu
- Firat University, Faculty of Veterinary Medicine, Department of Food Hygiene and Technology. Elazig, Türkiye
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Silva AR, Bernardo A, de Mesquita MF, Vaz-Patto J, Moreira P, Silva ML, Padrão P. An anti-inflammatory and low fermentable oligo, di, and monosaccharides and polyols diet improved patient reported outcomes in fibromyalgia: A randomized controlled trial. Front Nutr 2022; 9:856216. [PMID: 36091254 PMCID: PMC9450131 DOI: 10.3389/fnut.2022.856216] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2022] [Accepted: 07/08/2022] [Indexed: 11/13/2022] Open
Abstract
BackgroundFibromyalgia (FM) has been associated with dysbiosis and low-grade inflammation. Studies have reported that diet influences clinical features in FM.ObjectiveTo evaluate the effect of an anti-inflammatory and low fermentable oligo, di, and monosaccharides and polyols (FODMAP) diet on clinical outcomes of patients with FM.MethodsThis two arms Randomized Controlled Trial (NCT04007705) included 46 female patients with FM. The intervention group (n = 22) adopted an anti-inflammatory diet for 3 months, excluding gluten, dairy, added sugar, and ultra-processed foods, along with a low FODMAPs diet in the first month. The control group (n = 24) followed general healthy eating recommendations. Both diets were applied by a certified dietitian. Before and after the intervention, participants were assessed regarding pain, fatigue, gastrointestinal symptoms, quality of sleep, and quality of life, through the Revised Fibromyalgia Impact Questionnaire (FIQR), Visual Analogue Pain Scale (VAS), Visual Analog Scale from gastrointestinal symptoms (VAS GI), Brief Pain Inventory (BPI), Pittsburg Sleep Quality Index (PSQI), Fatigue Severity Survey (FSS), and The Short Form Health Survey (SF-36). A blood sample was collected and high-sensitive C-Reactive Protein and Erythrocyte Sedimentation Rate were quantified. Paired Samples t-test/Wilcoxon and independent samples t-test/Mann−Whitney were used to compare variables between groups.ResultsAfter intervention, there was an improvement in intervention group scores of FIQR (p = 0.001), VAS (p = 0.002), BPI (p = 0.011), FSS (p = 0.042), VAS_GI (p = 0.002), PSQI (p = 0.048), and SF36 (p = 0.045) compared to control group. Inflammatory biomarkers (hs-CRP, ESR) did not change in both groups. The intervention was beneficial in the intervention group, regardless of age, disease duration, body mass index variation, and body fat change between baseline and post-intervention.ConclusionAn anti-inflammatory and low-FODMAP diet improved clinical features in patients with FM and may be useful as a complement to pharmacological therapy.Clinical Trial Registration[https://clinicaltrials.gov/ct2/show/NCT04007705], identifier [NCT04007705].
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Affiliation(s)
- Ana Rita Silva
- Faculdade de Ciências da Nutrição e Alimentação, Universidade do Porto, Porto, Portugal
- Centro de Investigação Interdisciplinar Egas Moniz, Instituto Universitário Egas Moniz, Almada, Portugal
- *Correspondence: Ana Rita Silva,
| | - Alexandra Bernardo
- Centro de Investigação Interdisciplinar Egas Moniz, Instituto Universitário Egas Moniz, Almada, Portugal
| | - Maria Fernanda de Mesquita
- Centro de Investigação Interdisciplinar Egas Moniz, Instituto Universitário Egas Moniz, Almada, Portugal
| | | | - Pedro Moreira
- Faculdade de Ciências da Nutrição e Alimentação, Universidade do Porto, Porto, Portugal
- EPIUnit, Instituto de Saúde Pública, Universidade do Porto, Porto, Portugal
- Laboratório para a Investigação Integrativa e Translacional em Saúde Populacional, Porto, Portugal
- Centro de Investigação em Atividade Física, Saúde e Lazer, Universidade do Porto, Porto, Portugal
| | - Maria Leonor Silva
- Centro de Investigação Interdisciplinar Egas Moniz, Instituto Universitário Egas Moniz, Almada, Portugal
| | - Patrícia Padrão
- Faculdade de Ciências da Nutrição e Alimentação, Universidade do Porto, Porto, Portugal
- EPIUnit, Instituto de Saúde Pública, Universidade do Porto, Porto, Portugal
- Laboratório para a Investigação Integrativa e Translacional em Saúde Populacional, Porto, Portugal
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Li S, Fan W, Zhu B, Ma C, Tan X, Gu Y. Frailty Risk Prediction Model among Older Adults: A Chinese Nation-Wide Cross-Sectional Study. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 19:ijerph19148410. [PMID: 35886260 PMCID: PMC9322778 DOI: 10.3390/ijerph19148410] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/21/2022] [Revised: 07/01/2022] [Accepted: 07/03/2022] [Indexed: 11/16/2022]
Abstract
OBJECTIVES Numerous studies have been performed on frailty, but rarely do studies explore the integrated impact of socio-demographic, behavioural and social support factors on frailty. This study aims to establish a comprehensive frailty risk prediction model including multiple risk factors. METHODS The 2018 wave of the Chinese Longevity and Health Longitudinal Survey was used. Univariate and multivariate logistic regressions were performed to identify the relationship between frailty and multiple risk factors and establish the frailty risk prediction model. A nomogram was utilized to illustrate the prediction model. The area under the receiver operating characteristic curve (AUC), Hosmer-Lemeshow test and calibration curve were used to appraise the prediction model. RESULTS Variables from socio-demographic, social support and behavioural dimensions were included in the final frailty risk prediction model. Risk factors include older age, working as professionals and technicians before 60 years old, poor economic condition and poor oral hygiene. Protective factors include eating rice as a staple food, regular exercise, having a spouse as the first person to share thoughts with, doing physical examination once a year and not needing a caregiver when ill. The AUC (0.881), Hosmer-Lemeshow test (p = 0.618), and calibration curve showed that the risk prediction model was valid. CONCLUSION Risk factors from socio-demographic, behavioural and social support dimensions had a comprehensive effect on frailty, further supporting that a comprehensive and individualized intervention is necessary to prevent frailty.
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Affiliation(s)
- Siying Li
- School of Public Health, Wuhan University, Wuhan 430071, China; (S.L.); (W.F.); (B.Z.); (C.M.)
| | - Wenye Fan
- School of Public Health, Wuhan University, Wuhan 430071, China; (S.L.); (W.F.); (B.Z.); (C.M.)
| | - Boya Zhu
- School of Public Health, Wuhan University, Wuhan 430071, China; (S.L.); (W.F.); (B.Z.); (C.M.)
| | - Chao Ma
- School of Public Health, Wuhan University, Wuhan 430071, China; (S.L.); (W.F.); (B.Z.); (C.M.)
| | - Xiaodong Tan
- School of Public Health, Wuhan University, Wuhan 430071, China; (S.L.); (W.F.); (B.Z.); (C.M.)
- Correspondence: (X.T.); (Y.G.)
| | - Yaohua Gu
- School of Nursing, Wuhan University, Wuhan 430071, China
- Correspondence: (X.T.); (Y.G.)
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Bungau SG, Tit DM, Vesa CM, Abid A, Szilagyi DV, Radu AF, Bungau AF, Tarce AG, Behl T, Stoicescu M, Brisc CM, Gitea D, Nechifor AC, Endres L. Non-conventional therapeutical approaches to acne vulgaris related to its association with metabolic disorders. Eur J Pharmacol 2022; 923:174936. [PMID: 35378101 DOI: 10.1016/j.ejphar.2022.174936] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2021] [Revised: 03/12/2022] [Accepted: 03/30/2022] [Indexed: 12/31/2022]
Abstract
The ever-increasing frequency of metabolic syndrome (MetS) is still a major challenge of the public health care system, worldwide. In recent years, researchers have been drawn to the uncommon (at first look) link between skin illnesses and MetS. Because of the pro-inflammatory mechanisms and insulin resistance (IR) that are upregulated in metabolic syndrome, many skin disorders are correlated to metabolic dysfunctions, including acne vulgaris. A comprehensive understanding of the link between MetS and acne vulgaris may contribute to the development of new treatment strategies. The current review focuses on dietary and therapeutic interventions and assesses the effect of various approaches such as improving diet by avoiding certain food products (i.e., milk and chocolate) or increasing the intake of others (i.e., food products rich in omega-3 fatty acids), metformin administration, therapy with plant extracts, plant essential oils, and probiotic supplementation on the improvement of certain acne vulgaris severity parameters. These therapeutic approaches, when combined with allopathic treatment, can improve the patients' quality of life.
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Affiliation(s)
- Simona Gabriela Bungau
- Department of Pharmacy, Faculty of Medicine and Pharmacy, University of Oradea, 410028, Oradea, Romania; Doctoral School of Biological and Biomedical Sciences, University of Oradea, 410087, Oradea, Romania.
| | - Delia Mirela Tit
- Department of Pharmacy, Faculty of Medicine and Pharmacy, University of Oradea, 410028, Oradea, Romania; Doctoral School of Biological and Biomedical Sciences, University of Oradea, 410087, Oradea, Romania.
| | - Cosmin Mihai Vesa
- Department of Preclinical Disciplines, Faculty of Medicine and Pharmacy, University of Oradea, 410073, Oradea, Romania.
| | - Areha Abid
- Department of Food and Bioproduct Science, College of Agriculture and Bioresources, University of Saskatchewan, Canada.
| | - Denisa-Viola Szilagyi
- Doctoral School of Biological and Biomedical Sciences, University of Oradea, 410087, Oradea, Romania.
| | - Andrei-Flavius Radu
- Doctoral School of Biological and Biomedical Sciences, University of Oradea, 410087, Oradea, Romania.
| | - Alexa Florina Bungau
- Faculty of Medicine and Pharmacy, University of Oradea, 410073, Oradea, Romania.
| | | | - Tapan Behl
- Department of Pharmacology, Chitkara College of Pharmacy, Chitkara University, Punjab, 140401, India.
| | - Manuela Stoicescu
- Department of Medical Disciplines, Faculty of Medicine and Pharmacy, University of Oradea, 410073, Oradea, Romania.
| | - Cristina Mihaela Brisc
- Department of Medical Disciplines, Faculty of Medicine and Pharmacy, University of Oradea, 410073, Oradea, Romania.
| | - Daniela Gitea
- Department of Pharmacy, Faculty of Medicine and Pharmacy, University of Oradea, 410028, Oradea, Romania.
| | - Aurelia Cristina Nechifor
- Analytical Chemistry and Environmental Engineering Department, University Politehnica of Bucharest, 011061, Bucharest, Romania.
| | - Laura Endres
- Department of Psycho-neurosciences and Recovery, Faculty of Medicine and Pharmacy, University of Oradea, 410073, Oradea, Romania.
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Voutilainen EK, Hantunen S, Ruusunen A, Tuomainen TP, Virtanen JK. Associations of fermented and non-fermented dairy consumption with serum C-reactive protein concentrations - A cross-sectional analysis. Clin Nutr ESPEN 2022; 48:401-407. [PMID: 35331520 DOI: 10.1016/j.clnesp.2022.01.011] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2021] [Revised: 01/04/2022] [Accepted: 01/11/2022] [Indexed: 01/03/2023]
Abstract
BACKGROUND AND AIMS The results of epidemiological studies on dairy products and low-grade inflammation are scarce and inconsistent. Some studies have suggested that the associations may vary depending on the type of dairy product consumed. The aim of this cross-sectional study was to investigate the associations between intake of fermented and non-fermented dairy products and separately butter and serum high-sensitivity C-reactive protein (hs-CRP), a common inflammation marker, among a population with high dairy intake. METHODS The study included 1338 generally healthy men aged 42-60 years and serum hs-CRP ≤10 mg/L from the Kuopio Ischaemic Heart Disease Risk Factory Study, examined in 1984-1989. Dietary intakes were assessed using 4-day food records. ANCOVA and linear and logistic regression were used for analyses. RESULTS The reported mean intakes of fermented and non-fermented dairy products and butter were 189 (SD 217), 522 (SD 330) and 33 (SD 27) g/d, respectively. In the model adjusted for age, year of examination and energy intake (Model 1), higher intake of total dairy, total non-fermented dairy, total milk and butter were associated with higher concentration of serum hs-CRP, whereas fermented dairy intake was not associated with serum hs-CRP. After further adjustment for potential confounders, only higher butter intake remained statistically significantly associated with increased serum hs-CRP (P-trend = 0.049). The odds ratio for elevated hs-CRP (>3 mg/L) in the highest vs. the lowest quartile was 2.50 (95% confidence interval 1.19-5.26, P-trend = 0.02). CONCLUSIONS These results suggest that high intake of butter, but not other dairy products may be associated with increased low-grade inflammation.
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Affiliation(s)
- Elisa K Voutilainen
- University of Eastern Finland, Institute of Public Health and Clinical Nutrition, P.O. Box 1627, 70211 Kuopio, Finland.
| | - Sari Hantunen
- University of Eastern Finland, Institute of Public Health and Clinical Nutrition, P.O. Box 1627, 70211 Kuopio, Finland.
| | - Anu Ruusunen
- University of Eastern Finland, Institute of Public Health and Clinical Nutrition, P.O. Box 1627, 70211 Kuopio, Finland; Department of Psychiatry, Kuopio University Hospital, Finland; Deakin University, Food & Mood Centre, IMPACT Strategic Research Centre, School of Medicine, Geelong, Australia.
| | - Tomi-Pekka Tuomainen
- University of Eastern Finland, Institute of Public Health and Clinical Nutrition, P.O. Box 1627, 70211 Kuopio, Finland.
| | - Jyrki K Virtanen
- University of Eastern Finland, Institute of Public Health and Clinical Nutrition, P.O. Box 1627, 70211 Kuopio, Finland.
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Development and single laboratory validation of a targeted liquid chromatography-triple quadrupole mass spectrometry-based method for the determination of insulin like growth factor-1 in different types of milk samples. Food Chem X 2022; 13:100271. [PMID: 35499009 PMCID: PMC9040010 DOI: 10.1016/j.fochx.2022.100271] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2021] [Revised: 02/01/2022] [Accepted: 02/22/2022] [Indexed: 11/22/2022] Open
Abstract
Bovine insulin growth factor 1 (IGF-1) was estimated in different cow milk samples. In house validation of a LC-MS/MS IGF-1 investigation method in milks obtained by different technological treatments. Development of a sample treatment for the extraction of IGF-1 from different types of cow milk. IGF-1 level in cow’s milk was not dependent form milk technological processing.
A simple and reliable targeted liquid chromatography-electrospray-tandem mass spectrometry (LC-MS/MS) method was developed and validated through the selection of two biomarker peptides for the identification and determination of bovine insulin like growth factor-1 (IGF-1) in milk samples. Two urea-based sample extraction procedures were tested. The validation results provided detection limits at the 1–5 ng IGF-1/mL level as a function of the milk matrix, precision ranged from 3 to 8% and the method accuracy in the different milk matrices was assured. Finally, IGF-1 was measured in milk samples obtained by treatment with eleven different technological processes: IGF-1 concentrations were spread over a wide range from 11.2 ± 0.3 ng/mL to 346 ± 8 ng/mL with a median of 57.0 ± 0.2 ng/mL. The highest amount of IGF-1 was found in fresh whole milk samples and no significant correlation was found between the total milk protein content and the IGF-1 concentration level.
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Zhang J, Lim K, Shin S. Dairy Product Consumption and Type 2 Diabetes among Korean Adults: A Prospective Cohort Study Based on the Health Examinees (HEXA) Study. Epidemiol Health 2022; 44:e2022019. [PMID: 35130419 PMCID: PMC9117095 DOI: 10.4178/epih.e2022019] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2021] [Accepted: 02/04/2022] [Indexed: 11/09/2022] Open
Abstract
OBJECTIVES It has been suggested that the consumption of dairy products helps lower the prevalence of type 2 diabetes (T2D). We investigated the association between the consumption of dairy products and T2D events in middle-aged Korean adults. METHODS We followed up 53,288 participants (16,895 male and 36,393 female) in the Health Examinees (HEXA) study. The consumption of dairy products was assessed using the self-administered food frequency questionnaire, and T2D was defined according to the 2015 treatment guidelines of the Korean Diabetes Association. Hazard ratios (HRs) and 95% confidence intervals (CIs) between the consumption of dairy products and the risk of T2D were calculated using Cox proportional hazards models after adjusting for potential confounders. Spline regression was used to better represent the association between the consumption of dairy products and the risk of T2D. RESULTS Among male, those with higher consumption of dairy products had a significantly lower risk of T2D than those who consumed essentially no dairy products (HR, 0.73; 95% CI, 0.58 to 0.91). In particular, consumption of yogurt (HR, 0.75; 95% CI, 0.60 to 0.93; ptrend=0.035) and cheese (HR, 0.66; 95% CI, 0.49 to 0.89; ptrend=0.005) was negatively associated with the incidence of T2D in male. In female, daily consumption of 1 serving of yogurt decreased the risk of T2D by 11%. CONCLUSIONS The association between the consumption of dairy products and the risk of T2D differed by sex and dairy product type. Further prospective studies are needed to confirm these associations.
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Affiliation(s)
- Jiaqi Zhang
- Department of Food and Nutrition, Chung-Ang University, Anseong, Korea
| | - Kyungjoon Lim
- Faculty of Medicine and Health, School of Medical Science, University of Sydney, Melbourne, Australia
| | - Sangah Shin
- Department of Food and Nutrition, Chung-Ang University, Anseong, Korea
- Correspondence: Sangah Shin Department of Food and Nutrition, Chung-Ang University, 4726 Seodong-daero, Anseong 17546, Korea E-mail:
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Yang G, Lu Q, Cui L, Zong M, Guo Y, Liu L, Pan D, Wu Z. The fatty acid profiles of the mixed fermented milk and its anti-inflammation properties in LPS-induced Raw 264.7 cell model. Food Funct 2022; 13:2465-2474. [DOI: 10.1039/d1fo03553c] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Increasing knowledge of probiotics has shown that co-cultures of probiotics can achieve better fermentation and beneficial effects, and adding LAB to fermented milk fat products can increase the production of...
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Improvement of Inflammation and Pain after Three Months' Exclusion Diet in Rheumatoid Arthritis Patients. Nutrients 2021; 13:nu13103535. [PMID: 34684536 PMCID: PMC8539601 DOI: 10.3390/nu13103535] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2021] [Revised: 09/24/2021] [Accepted: 09/27/2021] [Indexed: 12/12/2022] Open
Abstract
Introduction: Rheumatoid arthritis (RA) is a chronic systemic autoimmune disease affecting the synovial joints and causing severe disability. Environmental and lifestyle factors, including diet, have been proposed to play a role in the onset and severity of RA. Dietary manipulation may help to manage the symptoms of RA by lowering inflammation and potentially decreasing pain. Methods: In 40 patients with long-standing RA with stable symptoms and treated with conventional (c-) and biological (b-) disease modifying anti-rheumatic drugs (DMARDs), the effect of a 3-month diet avoiding meat, gluten, and lactose (and all dairy products; privative diet) was evaluated in comparison with a control balanced diet including those foods. Both diets were designed to reduce weight since all patients were overweight or obese. Patients were randomly assigned to one of the diets, and RA was clinically assessed at Time 0 (T0), through the Visual Analogue Scale (VAS), for pain, and the Disease Activity Score of 28 joints (DAS 28) for RA activity. Patients were also administered the Short Form Health survey (SF-36) and the Health Assessment Questionnaire (HAQ). At T0, a blood sample was collected for laboratory tests and adipokines measurements, and anthropometric measurements were compared. These evaluations were repeated at the end of the 3 months’ dietary regimens. Results: A significant decrease in VAS and the improvement of the overall state of physical and mental health, assessed through SF-36, was observed in patients assigned to the privative diet. Both dietary regimens resulted in the improvement of quality of life compared to baseline values; however, the change was significant only for the privative diet. With either diet, patients showed significant decreases in body weight and body mass index, with a reduction in waist and hips circumference and lower basal glucose and circulating leptin levels. A privative diet was also able to significantly reduce systolic (p = 0.003) and diastolic (p = 0.025) arterial pressure. The number of circulating leukocytes and neutrophils, and the level of hs-C-Reactive Protein also decreased after 3 months of the meat-, lactose-, and gluten-free diet. Conclusions: Our results suggest that a privative diet can result in a better control of inflammation in RA patients under stable optimized drug treatment.
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Melnik BC, Schmitz G. Pasteurized non-fermented cow's milk but not fermented milk is a promoter of mTORC1-driven aging and increased mortality. Ageing Res Rev 2021; 67:101270. [PMID: 33571703 DOI: 10.1016/j.arr.2021.101270] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2020] [Revised: 01/16/2021] [Accepted: 02/03/2021] [Indexed: 02/07/2023]
Abstract
Recent epidemiological studies in Sweden, a country with traditionally high milk consumption, revealed that the intake of non-fermented pasteurized milk increased all-cause mortality in a dose-dependent manner. In contrast, the majority of epidemiological and clinical studies report beneficial health effects of fermented milk products, especially of yogurt. It is the intention of this review to delineate potential molecular aging mechanisms related to the intake of non-fermented milk versus yogurt on the basis of mechanistic target of rapamycin complex 1 (mTORC1) signaling. Non-fermented pasteurized milk via its high bioavailability of insulinotropic branched-chain amino acids (BCAAs), abundance of lactose (glucosyl-galactose) and bioactive exosomal microRNAs (miRs) enhances mTORC1 signaling, which shortens lifespan and increases all-cause mortality. In contrast, fermentation-associated lactic acid bacteria metabolize BCAAs and degrade galactose and milk exosomes including their mTORC1-activating microRNAs. The Industrial Revolution, with the introduction of pasteurization and refrigeration of milk, restricted the action of beneficial milk-fermenting bacteria, which degrade milk's BCAAs, galactose and bioactive miRs that synergistically activate mTORC1. This unrecognized behavior change in humans after the Neolithic revolution increased aging-related over-activation of mTORC1 signaling in humans, who persistently consume large quantities of non-fermented pasteurized cow's milk, a potential risk factor for aging and all-cause mortality.
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13
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The potential nutrition-, physical- and health-related benefits of cow's milk for primary-school-aged children. Nutr Res Rev 2021; 35:50-69. [PMID: 33902780 DOI: 10.1017/s095442242100007x] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
Cow's milk is a naturally nutrient-dense foodstuff. A significant source of many essential nutrients, its inclusion as a component of a healthy balanced diet has been long recommended. Beyond milk's nutritional value, an increasing body of evidence illustrates cow's milk may confer numerous benefits related to health. Evidence from adult populations suggests that cow's milk may have a role in overall dietary quality, appetite control, hydration and cognitive function. Although evidence is limited compared with the adult literature, these benefits may be echoed in recent paediatric studies. This article, therefore, reviews the scientific literature to provide an evidence-based evaluation of the associated health benefits of cow's milk consumption in primary-school-aged children (4-11 years). We focus on seven key areas related to nutrition and health comprising nutritional status, hydration, dental and bone health, physical stature, cognitive function, and appetite control. The evidence consistently demonstrates cow's milk (plain and flavoured) improves nutritional status in primary-school-aged children. With some confidence, cow's milk also appears beneficial for hydration, dental and bone health and beneficial to neutral concerning physical stature and appetite. Due to conflicting studies, reaching a conclusion has proven difficult concerning cow's milk and cognitive function; therefore, a level of caution should be exercised when interpreting these results. All areas, however, would benefit from further robust investigation, especially in free-living school settings, to verify conclusions. Nonetheless, when the nutritional-, physical- and health-related impact of cow's milk avoidance is considered, the evidence highlights the importance of increasing cow's milk consumption.
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14
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Melnik BC. Lifetime Impact of Cow's Milk on Overactivation of mTORC1: From Fetal to Childhood Overgrowth, Acne, Diabetes, Cancers, and Neurodegeneration. Biomolecules 2021; 11:404. [PMID: 33803410 PMCID: PMC8000710 DOI: 10.3390/biom11030404] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2021] [Revised: 03/04/2021] [Accepted: 03/04/2021] [Indexed: 02/07/2023] Open
Abstract
The consumption of cow's milk is a part of the basic nutritional habits of Western industrialized countries. Recent epidemiological studies associate the intake of cow's milk with an increased risk of diseases, which are associated with overactivated mechanistic target of rapamycin complex 1 (mTORC1) signaling. This review presents current epidemiological and translational evidence linking milk consumption to the regulation of mTORC1, the master-switch for eukaryotic cell growth. Epidemiological studies confirm a correlation between cow's milk consumption and birthweight, body mass index, onset of menarche, linear growth during childhood, acne vulgaris, type 2 diabetes mellitus, prostate cancer, breast cancer, hepatocellular carcinoma, diffuse large B-cell lymphoma, neurodegenerative diseases, and all-cause mortality. Thus, long-term persistent consumption of cow's milk increases the risk of mTORC1-driven diseases of civilization. Milk is a highly conserved, lactation genome-controlled signaling system that functions as a maternal-neonatal relay for optimized species-specific activation of mTORC1, the nexus for regulation of eukaryotic cell growth, and control of autophagy. A deeper understanding of milk´s impact on mTORC1 signaling is of critical importance for the prevention of common diseases of civilization.
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Affiliation(s)
- Bodo C Melnik
- Department of Dermatology, Environmental Medicine and Health Theory, University of Osnabrück, Am Finkenhügel 7a, D-49076 Osnabrück, Germany
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15
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Silva AR, Bernardo A, de Mesquita MF, Vaz Patto J, Moreira P, Silva ML, Padrão P. A study protocol for a randomized controlled trial of an anti-inflammatory nutritional intervention in patients with fibromyalgia. Trials 2021; 22:198. [PMID: 33743794 PMCID: PMC7944600 DOI: 10.1186/s13063-021-05146-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2020] [Accepted: 02/22/2021] [Indexed: 12/28/2022] Open
Abstract
Background This study aims to analyze the effects of a potentially anti-inflammatory nutritional intervention in disease assessment parameters, inflammatory markers, and quality of life of fibromyalgia (FM) patients. Methods A sample of 100 female patients diagnosed with FM, followed up at Portuguese Institute of Rheumatology (IPR) in Lisbon, is being randomly allocated in two groups. Patients in the intervention group are adopting an anti-inflammatory diet, characterized by the exemption of the intake of foods containing gluten, dairy, sugar, and ultra-processed foods, during 3 months. During the first month, a low fermentable oligo-, di-, and monosaccharides and polyols (FODMAPs) diet is implemented, along with the anti-inflammatory diet, followed by the reintroduction of all fruits and vegetables over a consecutive period of 2 months. Patients in the control group are adopting a diet based on general recommendations for healthy eating. The outcomes are pain, fatigue, quality of sleep, quality of life, gastrointestinal symptoms, and inflammation. Before and after the 3 months intervention, and also 1 month after beginning the intervention, the following questionnaires are applied: Revised Fibromyalgia Impact Questionnaire, visual analog pain scale, Brief Pain Inventory,visual analog scale from a list of common gastrointestinal and extraintestinal symptoms in FM, Short Form 36, Fatigue Severity Survey, and Pittsburg Sleep Quality Index. Ultra-sensitive serum C-reactive protein, eritrocyte sedimentation rate, and interleukin-8 are determined. Age, physical activity, anthropometric parameters, and body composition are being collected. Student’s t test will assess the association between the disease evaluation parameters, the inflammatory markers, and the dietary interventions. Discussion The results of this study are expected to determine whether a change in patient nutrition helps to alleviate symptoms, which would optimize medical intervention. Trial registration www.ClinicalTrials.gov NCT04007705. Registered on July 5, 2019. Supplementary Information The online version contains supplementary material available at 10.1186/s13063-021-05146-3.
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Affiliation(s)
- Ana Rita Silva
- Faculdade de Ciências da Nutrição e Alimentação, Universidade do Porto, Rua Dr. Roberto Frias, 4200-465, Porto, Portugal.,Centro de Investigação Interdisciplinar Egas Moniz (CiiEM), Instituto Universitário Egas Moniz, Almada, Portugal
| | - Alexandra Bernardo
- Centro de Investigação Interdisciplinar Egas Moniz (CiiEM), Instituto Universitário Egas Moniz, Almada, Portugal
| | - Maria Fernanda de Mesquita
- Centro de Investigação Interdisciplinar Egas Moniz (CiiEM), Instituto Universitário Egas Moniz, Almada, Portugal
| | - José Vaz Patto
- Instituto Português de Reumatologia (IPR), Rua Beneficiência 7, 1050-042, Lisbon, Portugal
| | - Pedro Moreira
- Faculdade de Ciências da Nutrição e Alimentação, Universidade do Porto, Rua Dr. Roberto Frias, 4200-465, Porto, Portugal.,EPIUnit, Instituto de Saúde Pública, Universidade do Porto, Rua das Taipas, n° 135, 4050-600, Porto, Portugal.,Centro de Investigação em Atividade Física, Saúde e Lazer, Universidade do Porto, R. Dr. Plácido da Costa 91, 4200-450, Porto, Portugal
| | - Maria Leonor Silva
- Centro de Investigação Interdisciplinar Egas Moniz (CiiEM), Instituto Universitário Egas Moniz, Almada, Portugal
| | - Patrícia Padrão
- Faculdade de Ciências da Nutrição e Alimentação, Universidade do Porto, Rua Dr. Roberto Frias, 4200-465, Porto, Portugal. .,EPIUnit, Instituto de Saúde Pública, Universidade do Porto, Rua das Taipas, n° 135, 4050-600, Porto, Portugal.
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16
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Yuan M, Singer MR, Moore LL. Yogurt Consumption Is Associated with Lower Levels of Chronic Inflammation in the Framingham Offspring Study. Nutrients 2021; 13:nu13020506. [PMID: 33557067 PMCID: PMC7913863 DOI: 10.3390/nu13020506] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2021] [Revised: 01/25/2021] [Accepted: 01/29/2021] [Indexed: 02/08/2023] Open
Abstract
Some studies suggest that dairy foods may be linked with less chronic inflammation. However, few studies have investigated the separate effects of different types of dairy on inflammation. Therefore, the current study aims to examine the separate prospective impacts of milk, yogurt and cheese on biomarkers of chronic inflammation in 1753 community-dwelling participants of the Framingham Offspring Study (FOS). Mean intakes of dairy foods were derived from two sets of three-day diet records. Six inflammatory biomarkers were assessed approximately seven years later at exam 7. Results showed that those who consumed yogurt (vs. those who did not) had statistically significantly lower levels of interleukin-6 (IL-6) (mean log-transformed levels of 1.31 and 1.26 in consumers/non-consumers, respectively, p = 0.02) and fibrin (mean log-transformed levels of 5.91 and 5.89 in consumers/non-consumers, respectively, p = 0.03). The inverse association between IL-6 and yogurt consumption was similar in participants who were of normal weight and those who were overweight. For fibrin, the effects were stronger in overweight individuals. No statistically significant associations were observed between any of these inflammation biomarkers and milk or cheese intakes. Overall, our study compared the separate impacts of three types of dairy foods on chronic inflammation and found that only yogurt intake was linked with lower levels of chronic inflammation.
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17
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Bermejo-Pareja F, Ciudad-Cabañas MJ, Llamas-Velasco S, Tapias-Merino E, Hernández Gallego J, Hernández-Cabria M, Collado-Yurrita L, López-Arrieta JM. Is milk and dairy intake a preventive factor for elderly cognition (dementia and Alzheimer's)? A quality review of cohort surveys. Nutr Rev 2020; 79:743-757. [PMID: 33316068 DOI: 10.1093/nutrit/nuaa045] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
Milk and dairy (M&D) is a longstanding human food with widespread use. Many studies showed the preventive capacity of M&D in several human health disorders, but its utility in others is under discussion. Aging has been associated to elderly cognitive decline including dementia-Alzheimer syndrome (Dem-AD). The absence of a therapy to impede or postpone Dem-AD determines the need for its prevention, including nutritional factors. To evaluate the preventive capacity of M&D consumption in elderly Dem-AD we performed a systematic review in the main biomedical databases and information resources, but we present this study as a narrative review to discuss better the complexity of this subject. The elderly Dem-AD has a long pre-symptomatic period and the M&D intake has a widespread use. These determinants and the quality flaws of published studies impeach us to answer whether M&D consumption is preventive for Dem-AD. Moreover, two long Japanese cohorts suggest that M&D intake could prevent Dem-AD. Prospective cohorts beginning in midlife (or early life) could answer this question in the future.
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Affiliation(s)
- Félix Bermejo-Pareja
- Research Unit, University Hospital "12 de Octubre", Madrid. Chair "Alzheimer disease", Department of Medicine, Faculty of Medicine, Complutense University of Madrid, Spain
| | | | - Sara Llamas-Velasco
- Research Institute (Imas12), University Hospital "12 de Octubre," Madrid, Spain
| | - Ester Tapias-Merino
- Research Institute (Imas12), University Hospital "12 de Octubre," Madrid, Spain
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18
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Nieman KM, Anderson BD, Cifelli CJ. The Effects of Dairy Product and Dairy Protein Intake on Inflammation: A Systematic Review of the Literature. J Am Coll Nutr 2020; 40:571-582. [PMID: 32870744 DOI: 10.1080/07315724.2020.1800532] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
Systemic inflammation is associated with obesity and chronic disease risk. Intake of dairy foods is associated with reduced risk of type 2 diabetes and cardiovascular disease; however, the impact of dairy foods on inflammation is not well-established. The objective of this study was to conduct a systematic review to evaluate the effect of dairy product (milk, cheese, and yogurt) and dairy protein consumption on low-grade systemic inflammation in adults without severe inflammatory disorders. A literature search was completed in September 2019 using PubMed and CENTRAL as well as inspection of reference lists from relevant review articles. The search resulted in the identification of 27 randomized controlled trials which were included in this analysis. In the 19 trials which evaluated dairy products, 10 reported no effect of the intervention, while 8 reported a reduction in at least one biomarker of inflammation. All 8 trials that investigated dairy protein intake on markers of inflammation reported no effect of the intervention. The available literature suggests that dairy products and dairy proteins have neutral to beneficial effects on biomarkers of inflammation. Additional clinical studies designed using inflammatory biomarkers as the primary outcome are needed to fully elucidate the effects of dairy intake on inflammation.
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19
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Grout L, Baker MG, French N, Hales S. A Review of Potential Public Health Impacts Associated With the Global Dairy Sector. GEOHEALTH 2020; 4:e2019GH000213. [PMID: 32159049 PMCID: PMC7017588 DOI: 10.1029/2019gh000213] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/17/2019] [Revised: 12/18/2019] [Accepted: 12/20/2019] [Indexed: 05/04/2023]
Abstract
Strong demand for dairy products has led to a global increase in dairy production. In many parts of the world, dairy systems are undergoing rapid intensification. While increased production may contribute to food security, higher dairy stocking rates in some regions have resulted in increased pressure on natural resources with the potential to affect public health and wellbeing. The aim of this review was to identify and describe the potential health harms and benefits associated with dairy production and consumption. Electronic databases Medline, Embase, Scopus, Web of Science, PubMed, and Google Scholar were searched for published literature that investigated human health impacts of dairy production and consumption. Occupational hazards, environmental health impacts, ecosystem health impacts, foodborne hazards, and diet-related chronic diseases were identified as potential public health hazards. Some impacts, notably climate change, extend beyond directly exposed populations. Dairy production and consumption are also associated with important health benefits through the provision of nutrients and economic opportunities. As the global dairy sector increases production, exposure to a range of hazards must be weighed with these benefits. The review of impacts presented here can provide an input into decision making about optimal levels of dairy production and consumption, local land use, and identification and management of specific hazards from this sector. Future research should consider multiple exposure routes, socioeconomic implications, and environmental factors, particularly in regions heavily dependent on dairy farming.
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Affiliation(s)
- Leah Grout
- Department of Public HealthUniversity of OtagoWellingtonNew Zealand
| | - Michael G. Baker
- Department of Public HealthUniversity of OtagoWellingtonNew Zealand
| | - Nigel French
- School of Veterinary Science, Hopkirk Research InstituteMassey UniversityPalmerston NorthNew Zealand
| | - Simon Hales
- Department of Public HealthUniversity of OtagoWellingtonNew Zealand
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20
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Mishali M, Kisner M, Avrech T. Funding sources and outcomes of dairy consumption research – A meta-analysis of cohort studies: The case of type-2 diabetes and cardiovascular diseases. Int Dairy J 2019. [DOI: 10.1016/j.idairyj.2019.02.019] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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21
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Aghasi M, Golzarand M, Shab-Bidar S, Aminianfar A, Omidian M, Taheri F. Dairy intake and acne development: A meta-analysis of observational studies. Clin Nutr 2019; 38:1067-1075. [DOI: 10.1016/j.clnu.2018.04.015] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2018] [Revised: 04/23/2018] [Accepted: 04/24/2018] [Indexed: 12/11/2022]
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22
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Orrell K, Kelm R, Murphrey M, Nagiredla S, Wu B, Abu‐Zayed H, Schlosser B, West D, Nardone B. Frequency of acne in lactose‐intolerant adults: a retrospective cross‐sectional analysis within a large Midwestern
US
patient population. J Eur Acad Dermatol Venereol 2019; 33:e190-e191. [DOI: 10.1111/jdv.15441] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- K.A. Orrell
- Department of Dermatology Feinberg School of Medicine Northwestern University Chicago IL USA
| | - R.C. Kelm
- Department of Dermatology Feinberg School of Medicine Northwestern University Chicago IL USA
| | - M. Murphrey
- Department of Dermatology Feinberg School of Medicine Northwestern University Chicago IL USA
| | - S. Nagiredla
- Department of Dermatology Feinberg School of Medicine Northwestern University Chicago IL USA
| | - B. Wu
- Department of Dermatology Feinberg School of Medicine Northwestern University Chicago IL USA
| | - H. Abu‐Zayed
- Department of Dermatology Feinberg School of Medicine Northwestern University Chicago IL USA
| | - B.J. Schlosser
- Department of Dermatology Feinberg School of Medicine Northwestern University Chicago IL USA
| | - D.P. West
- Department of Dermatology Feinberg School of Medicine Northwestern University Chicago IL USA
| | - B. Nardone
- Department of Dermatology Feinberg School of Medicine Northwestern University Chicago IL USA
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23
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Clatici VG, Tatu AL, Voicu C. Comment on Dai R. et al.: The effect of milk consumption on acne: a meta-analysis of observational studies. J Eur Acad Dermatol Venereol 2019; 33:e200-e201. [PMID: 30714217 DOI: 10.1111/jdv.15465] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Affiliation(s)
| | - A L Tatu
- Medical and Pharmaceutical Research Unit/Competitive, Interdisciplinary Research Integrated Platform "Dunărea de Jos", ReForm-UDJG, Galati, Romania.,Faculty of Medicine and Pharmacy/Pharmacology Sciences Department "Dunărea de Jos", University of Galati, Galati, Romania
| | - C Voicu
- Dermalife Centre, Bucharest, Romania
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24
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Clatici VG, Voicu C, Voaides C, Roseanu A, Icriverzi M, Jurcoane S. Diseases of Civilization - Cancer, Diabetes, Obesity and Acne - the Implication of Milk, IGF-1 and mTORC1. MAEDICA 2018; 13:273-281. [PMID: 30774725 PMCID: PMC6362881 DOI: 10.26574/maedica.2018.13.4.273] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Nutrition and food are one of the most complex aspects of human lives, being influenced by biochemical, psychological, social and cultural factors. The Western diet is the prototype of modern dietary pattern and is mainly characterized by the intake of large amounts of red meat, dairy products, refined grains and sugar. Large amounts of scientific evidence positively correlate Western diet to acne, obesity, diabetes, heart disease and cancer, the so-called "diseases of civilization". The pathophysiological common ground of all these pathologies is the IGF-1 and mTORC pathways, which will be disscussed further in this paper.
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Affiliation(s)
| | | | | | - Anca Roseanu
- Department of Ligand-Receptor Interaction, Institute of Biochemistry of the Romanian Academy, Bucharest, Romania
| | - Madalina Icriverzi
- Department of Ligand-Receptor Interaction, Institute of Biochemistry of the Romanian Academy, Bucharest, Romania
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25
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Arouca A, Michels N, Moreno LA, González-Gil EM, Marcos A, Gómez S, Díaz LE, Widhalm K, Molnár D, Manios Y, Gottrand F, Kafatos A, Kersting M, Sjöström M, de la O A, Ferrari M, Huybrechts I, Gonzalez-Gross M, De Henauw S. Associations between a Mediterranean diet pattern and inflammatory biomarkers in European adolescents. Eur J Nutr 2018; 57:1747-1760. [PMID: 28421282 DOI: 10.1007/s00394-017-1457-4] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2016] [Accepted: 04/12/2017] [Indexed: 12/11/2022]
Abstract
AIM To test whether the Mediterranean diet score and each food-subgroup is associated with inflammatory biomarkers in European adolescents. METHODS In 464 adolescents (13-17 years) of the European HELENA study, data were available on body composition, inflammation markers, and food intake determined by two computerized 24-h recalls. The Mediterranean diet score and its food-subgroups (Vegetables, Fruits and Nuts, Pulses, Cereal and Roots, Monounsaturated/Saturated fat ratio, Dairy, Fish, Meat and Alcohol) were evaluated. A set of inflammation-related biomarkers was measured: IL-1, IL-2, IL-4, IL-5, IL-6, IL-10, TGFβ-1, TNF-α, sVCAM-1, sICAM1, sE-selectin, white blood cells, lymphocytes, CD3, CRP, GGT, ALT, and homocysteine. Multivariate and multiple linear regression analyses were adjusted for age, sex, country, socioeconomic status, paternal and maternal education, adiposity, and smoking habits. RESULTS The Mediterranean diet score was positively associated with CRP, and negatively with sVCAM-1. The subgroups showed the following positive/negative associations: Vegetables with IL-10(+), CRP(+), CD3(+), ALT(+), lymphocytes(+), sE-selectin(-); Fruits and Nuts with IL-4(-), TNF-alpha; Pulses with IL-5(+), IL-6(+), IL-2(-); Cereals and Roots with IL-6(-), IL-10(-); Monounsaturated/Saturated-fat ratio with IL-6(+), TGFβ-1(+), sVCAM-1(+boys, -girls), homocysteine(-); Dairy with IL-1(+), IL-5(+), IL-6(+), IL-10(+), TGFβ-1(+), homocysteine(-); Fish with homocysteine(-); Meat with IL-2(+), IL-10(+); Alcohol with CRP(+), lymphocytes(-). Sex differences were found. CONCLUSION Some specific food-inflammation associations were found, suggesting that diet is to a certain extent already related to inflammation in adolescents and can be used in disease prevention. Also some counterintuitive results were found, which might be due to grouping very different foods into a single group, besides considering that the human body may respond differently depending on the interaction between diet, lifestyle, genetics, biochemical individuality, age and sex.
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Affiliation(s)
- Aline Arouca
- Department of Public Health, Faculty of Medicine and Health Sciences, Ghent University, De Pintelaan 185, Block K3, 4th floor, 9000, Ghent, Belgium.
| | - Nathalie Michels
- Department of Public Health, Faculty of Medicine and Health Sciences, Ghent University, De Pintelaan 185, Block K3, 4th floor, 9000, Ghent, Belgium
| | - Luis A Moreno
- Faculty of Health Sciences, GENUD: "Growth, Exercise, Nutrition and Development Research Group", Instituto Agroalimentario de Aragón (IA2), Instituto de Investigación Sanitaria Aragón (IIS Aragón), Universidad de Zaragoza, Saragossa, Spain
- Centro de Investigación Biomédica en Red de Fisiopatología de la Obesidad y Nutrición (CIBERObn), Madrid, Spain
| | - Esther M González-Gil
- Faculty of Health Sciences, GENUD: "Growth, Exercise, Nutrition and Development Research Group", Instituto Agroalimentario de Aragón (IA2), Instituto de Investigación Sanitaria Aragón (IIS Aragón), Universidad de Zaragoza, Saragossa, Spain
- Centro de Investigación Biomédica en Red de Fisiopatología de la Obesidad y Nutrición (CIBERObn), Madrid, Spain
| | - Ascensión Marcos
- Department of Metabolism and Nutrition, Institute of Food Science and Technology and Nutrition, Madrid, Spain
| | - Sonia Gómez
- Department of Metabolism and Nutrition, Institute of Food Science and Technology and Nutrition, Madrid, Spain
| | - Ligia Esperanza Díaz
- Department of Metabolism and Nutrition, Institute of Food Science and Technology and Nutrition, Madrid, Spain
| | - Kurt Widhalm
- Department of Nutrition and Metabolism at the University of Vienna, Vienna, Austria
| | - Dénes Molnár
- Department of Pediatrics, Medical Faculty, University of Pécs, Pécs, Hungary
| | - Yannis Manios
- Department of Nutrition and Dietetics, Harokopio University, Athens, Greece
| | | | | | - Mathilde Kersting
- Research Institute of Child Nutrition Dortmund, Pediatric University Clinic, Ruhr-University Bochum, Bochum, Germany
| | - Michael Sjöström
- Unit for Preventive Nutrition, Department of Biosciences, Karolinska Institutet, Huddinge, Sweden
| | - Alejandro de la O
- Department of Physiology, School of Medicine, University of Granada, Granada, Spain
| | - Marika Ferrari
- Council for Agricultural Research and Economics, Research Center for Food and Nutrition, Rome, Italy
| | - Inge Huybrechts
- Department of Public Health, Faculty of Medicine and Health Sciences, Ghent University, De Pintelaan 185, Block K3, 4th floor, 9000, Ghent, Belgium
- International Agency for Research on Cancer, Lyon, France
| | - Marcela Gonzalez-Gross
- Department of Health and Human Performance, Facultad de Ciencias de la Actividad Física y del Deporte-INEF, Universidad Politécnica de Madrid, Madrid, Spain
| | - Stefaan De Henauw
- Department of Public Health, Faculty of Medicine and Health Sciences, Ghent University, De Pintelaan 185, Block K3, 4th floor, 9000, Ghent, Belgium
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26
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Zhen S, Ma Y, Zhao Z, Yang X, Wen D. Dietary pattern is associated with obesity in Chinese children and adolescents: data from China Health and Nutrition Survey (CHNS). Nutr J 2018; 17:68. [PMID: 29996840 PMCID: PMC6042200 DOI: 10.1186/s12937-018-0372-8] [Citation(s) in RCA: 75] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2018] [Accepted: 06/26/2018] [Indexed: 12/20/2022] Open
Abstract
BACKGROUND Associations of dietary patterns in Chinese adolescents and children with later obesity have not previously been investigated. The purpose of the present study was to evaluate the associations between dietary patterns and the risk of obesity in Chinese adolescents and children by using a longitudinal design. METHODS Data from the China Health and Nutrition Survey (CHNS), a nationally representative survey, were used for our analysis. 489 participants 6-14 years of age were followed from 2006 to 2011. Factor analysis was used to identify the dietary patterns in Chinese adolescents and children. Ordered logistic regression models were used to examine the association between dietary patterns and later obesity. RESULTS Two dietary patterns were revealed by factor analysis, the traditional Chinese dietary pattern (with high intake of rice, vegetables, poultry, pork and fish and the modern dietary pattern (with high intake of wheat, processed meat and fast food). Children in the highest quartile and the second-highest quartile of the traditional Chinese dietary pattern was inversely associated with later obesity compared with children in the lowest quartile over 5 years (OR = 0.19, 95%CI: 0.09, 0.40 for Q4; OR = 0.47, 95%CI: 0.33, 0.67 for Q3); Children in the highest quartile of the modern dietary pattern was positively associated with later obesity compared with children in the lowest quartile over 5 years (OR = 2.02, 95%CI: 1.17, 3.48). CONCLUSIONS Dietary patterns in Chinese adolescents and children are associated with later obesity. These findings further confirm the importance of children's dietary patterns in later obesity and lay groundwork for dietary culture-specific interventions targeted at reducing rates of obesity in children and adolescents.
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Affiliation(s)
- Shihan Zhen
- China Medical University, No.77 Puhe Road, Shenyang North New Area, Shenyang, Liaoning Province China
| | - Yanan Ma
- China Medical University, No.77 Puhe Road, Shenyang North New Area, Shenyang, Liaoning Province China
| | - Zhongyi Zhao
- China Medical University, No.77 Puhe Road, Shenyang North New Area, Shenyang, Liaoning Province China
| | - Xuelian Yang
- China Medical University, No.77 Puhe Road, Shenyang North New Area, Shenyang, Liaoning Province China
| | - Deliang Wen
- China Medical University, No.77 Puhe Road, Shenyang North New Area, Shenyang, Liaoning Province China
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Aalaei K, Rayner M, Sjöholm I. Chemical methods and techniques to monitor early Maillard reaction in milk products; A review. Crit Rev Food Sci Nutr 2018; 59:1829-1839. [DOI: 10.1080/10408398.2018.1431202] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Affiliation(s)
- Kataneh Aalaei
- Department of Food Technology, Engineering & Nutrition, Lund University, Lund, Sweden
| | - Marilyn Rayner
- Department of Food Technology, Engineering & Nutrition, Lund University, Lund, Sweden
| | - Ingegerd Sjöholm
- Department of Food Technology, Engineering & Nutrition, Lund University, Lund, Sweden
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Bordoni A, Danesi F, Dardevet D, Dupont D, Fernandez AS, Gille D, Nunes dos Santos C, Pinto P, Re R, Rémond D, Shahar DR, Vergères G. Dairy products and inflammation: A review of the clinical evidence. Crit Rev Food Sci Nutr 2017; 57:2497-2525. [DOI: 10.1080/10408398.2014.967385] [Citation(s) in RCA: 89] [Impact Index Per Article: 12.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Affiliation(s)
- Alessandra Bordoni
- Department of Agri-Food Sciences and Technologies, University of Bologna, Bologna, Italy
| | - Francesca Danesi
- Department of Agri-Food Sciences and Technologies, University of Bologna, Bologna, Italy
| | - Dominique Dardevet
- INRA, UMR 1019, UNH, CRNH Auvergne, Clermont-Ferrand, France
- Clermont Université, Université d'Auvergne, Unité de Nutrition Humaine, Clermont-Ferrand, France
| | - Didier Dupont
- INRA, Joint Research Unit 1253, Science & Technology of Milk and Egg Products, Rennes, France
| | - Aida S. Fernandez
- Department of Human Nutrition, Leatherhead Food Research, Leatherhead, United Kingdom
| | - Doreen Gille
- Agroscope, Federal Department of Economic Affairs, Education and Research EAER, Berne, Switzerland
| | - Claudia Nunes dos Santos
- Instituto de Tecnologia Química e Biológica, Universidade Nova de Lisboa, Lisbon, Portugal
- Insituto de Biologia Experimental e Tecnológica, Oeiras, Portugal
| | - Paula Pinto
- Instituto de Tecnologia Química e Biológica, Universidade Nova de Lisboa, Lisbon, Portugal
- Escola Superior Agrária, Insituto Politécnico de Santarém, Santarém Portugal
| | - Roberta Re
- Department of Human Nutrition, Leatherhead Food Research, Leatherhead, United Kingdom
| | - Didier Rémond
- INRA, UMR 1019, UNH, CRNH Auvergne, Clermont-Ferrand, France
- Clermont Université, Université d'Auvergne, Unité de Nutrition Humaine, Clermont-Ferrand, France
| | - Danit R. Shahar
- The S. Daniel Abraham International Center for Health and Nutrition, Department of Public Health, Ben-Gurion University of the Negev, Beer-Sheva, Israel
| | - Guy Vergères
- Agroscope, Federal Department of Economic Affairs, Education and Research EAER, Berne, Switzerland
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Does soy protein affect circulating levels of unbound IGF-1? Eur J Nutr 2017; 57:423-432. [PMID: 28434035 DOI: 10.1007/s00394-017-1459-2] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2017] [Accepted: 04/13/2017] [Indexed: 01/26/2023]
Abstract
INTRODUCTION Despite the enormous amount of research that has been conducted on the role of soyfoods in the prevention and treatment of chronic disease, the mechanisms by which soy exerts its physiological effects are not fully understood. The clinical data show that neither soyfoods nor soy protein nor isoflavones affect circulating levels of reproductive hormones in men or women. However, some research suggests that soy protein, but not isoflavones, affects insulin-like growth factor I (IGF-1). METHODS Since IGF-1 may have wide-ranging physiological effects, we sought to determine the effect of soy protein on IGF-1 and its major binding protein insulin-like growth factor-binding protein (IGFBP-3). Six clinical studies were identified that compared soy protein with a control protein, albeit only two studies measured IGFBP-3 in addition to IGF-1. RESULTS Although the data are difficult to interpret because of the different experimental designs employed, there is some evidence that large amounts of soy protein (>25 g/day) modestly increase IGF-1 levels above levels observed with the control protein. CONCLUSION The clinical data suggest that a decision to incorporate soy into the diet should not be based on its possible effects on IGF-1.
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Pou SA, Del Pilar Díaz M, De La Quintana AG, Forte CA, Aballay LR. Identification of dietary patterns in urban population of Argentina: study on diet-obesity relation in population-based prevalence study. Nutr Res Pract 2016; 10:616-622. [PMID: 27909559 PMCID: PMC5126411 DOI: 10.4162/nrp.2016.10.6.616] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2016] [Revised: 08/13/2016] [Accepted: 08/16/2016] [Indexed: 12/12/2022] Open
Abstract
BACKGROUND/OBJECTIVES In Argentina, obesity prevalence rose from 14.6% in 2005 to 20.8% in 2013. Although the number of studies on noncommunicable diseases and dietary patterns as a unique dietary exposure measure has increased, information on this topic remains scarce in developing countries. This is the first population-based study investigating the association between diet and obesity using a dietary pattern approach in Argentina. We aimed (a) to identify current dietary patterns of the population of Córdoba city, (b) to investigate its association with obesity prevalence, and (c) to identify and describe dietary patterns from the subgroup of people with obesity. SUBJECTS/METHODS The Córdoba Obesity and Diet Study (CODIES) was conducted in Córdoba city by using a random sample of n = 4,327 subjects between 2005 and 2012. Empirically derived dietary patterns were identified through principal component factor analysis. A multiple logistic regression analysis was used to investigate the association of dietary patterns with obesity. RESULTS Four dietary patterns were identified, called "Starchy-Sugar", "Prudent", "Western", and "Sugary drinks". High scores for the "Western" pattern (with strongest factor loading on meats/eggs, processed meats, and alcohol) showed a positive association with obesity (OR: 1.33, 95% CI: 1.06-1.67, for third versus first tertile of factor score). "Meats/Cheeses" and "Snacks/Alcohol" patterns emerged in people with obesity. CONCLUSIONS The findings suggest that high adherence to the "Western" pattern promoted obesity in this urban population. In addition, people with obesity showed characteristic dietary patterns that differ from those identified in the overall population.
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Affiliation(s)
- Sonia Alejandra Pou
- Instituto de Investigaciones en Ciencias de la Salud (INICSA), Universidad Nacional de Córdoba, CONICET, Facultad de Ciencias Médicas, Av. Enrique Barros y Enfermera Gordillo, C.P. 5016, Córdoba, Argentina.; Estadística y Bioestadística, Escuela de Nutrición, Facultad de Ciencias Médicas, Universidad Nacional de Córdoba, Av. Enrique Barros s/n, C.P. 5016, Córdoba, Argentina
| | - María Del Pilar Díaz
- Instituto de Investigaciones en Ciencias de la Salud (INICSA), Universidad Nacional de Córdoba, CONICET, Facultad de Ciencias Médicas, Av. Enrique Barros y Enfermera Gordillo, C.P. 5016, Córdoba, Argentina.; Estadística y Bioestadística, Escuela de Nutrición, Facultad de Ciencias Médicas, Universidad Nacional de Córdoba, Av. Enrique Barros s/n, C.P. 5016, Córdoba, Argentina
| | - Ana Gabriela De La Quintana
- Escuela de Nutrición, Facultad de Ciencias Médicas, Universidad Nacional de Córdoba, Av. Enrique Barros s/n, C.P. 5016, Córdoba, Argentina
| | - Carla Antonella Forte
- Escuela de Nutrición, Facultad de Ciencias Médicas, Universidad Nacional de Córdoba, Av. Enrique Barros s/n, C.P. 5016, Córdoba, Argentina
| | - Laura Rosana Aballay
- Estadística y Bioestadística, Escuela de Nutrición, Facultad de Ciencias Médicas, Universidad Nacional de Córdoba, Av. Enrique Barros s/n, C.P. 5016, Córdoba, Argentina
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Significance of diet in treated and untreated acne vulgaris. Postepy Dermatol Alergol 2016; 33:81-6. [PMID: 27279815 PMCID: PMC4884775 DOI: 10.5114/ada.2016.59146] [Citation(s) in RCA: 39] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2014] [Accepted: 09/23/2014] [Indexed: 01/17/2023] Open
Abstract
The relationship between diet and acne is highly controversial. Several studies during the last decade have led dermatologists to reflect on a potential link between diet and acne. This article presents the latest findings on a potential impact that diet can have on pathogenesis of acne vulgaris. The association between diet and acne can no longer be dismissed. Compelling evidence shows that high glycemic load diets may exacerbate acne. Dairy ingestion appears to be weakly associated with acne and the roles of omega-3 fatty acids, dietary fiber, antioxidants, vitamin A, zinc and iodine remain to be elucidated. The question of what the impact of diet is on the course of acne vulgaris still remains unclear.
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Morales Fénero CI, Colombo Flores AA, Câmara NOS. Inflammatory diseases modelling in zebrafish. World J Exp Med 2016; 6:9-20. [PMID: 26929916 PMCID: PMC4759353 DOI: 10.5493/wjem.v6.i1.9] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/29/2015] [Revised: 10/20/2015] [Accepted: 12/18/2015] [Indexed: 02/06/2023] Open
Abstract
The ingest of diets with high content of fats and carbohydrates, low or no physical exercise and a stressful routine are part of the everyday lifestyle of most people in the western world. These conditions are triggers for different diseases with complex interactions between the host genetics, the metabolism, the immune system and the microbiota, including inflammatory bowel diseases (IBD), obesity and diabetes. The incidence of these disorders is growing worldwide; therefore, new strategies for its study are needed. Nowadays, the majority of researches are in use of murine models for understand the genetics, physiopathology and interaction between cells and signaling pathways to find therapeutic solutions to these diseases. The zebrafish, a little tropical water fish, shares 70% of our genes and conserves anatomic and physiological characteristics, as well as metabolical pathways, with mammals, and is rising as a new complementary model for the study of metabolic and inflammatory diseases. Its high fecundity, fast development, transparency, versatility and low cost of maintenance makes the zebrafish an interesting option for new researches. In this review, we offer a discussion of the existing genetic and induced zebrafish models of two important Western diseases that have a strong inflammatory component, the IBD and the obesity.
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Barreiro R, Regal P, Díaz-Bao M, Fente CA, Cepeda A. Analysis of Naturally Occurring Steroid Hormones in Infant Formulas by HPLC-MS/MS and Contribution to Dietary Intake. Foods 2015; 4:605-621. [PMID: 28231225 PMCID: PMC5224556 DOI: 10.3390/foods4040605] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2015] [Revised: 10/15/2015] [Accepted: 10/16/2015] [Indexed: 11/30/2022] Open
Abstract
Milk is a natural fluid and as such contains small amounts of naturally occurring steroids. Human milk is recommended as the optimal source of nutrients for infants and young children, and it has been associated to several short- and long-term benefits. For this reason, its composition is used as a reference for designing infant formulas. However, the available information on the hormonal levels of these dairy products is scarce, and it is usually limited to estradiol and estrone. In the present study, six natural sex hormones (pregnenolone, progesterone, estrone, dehydroepiandrosterone, testosterone and androstenedione) have been extracted from sixteen milk-based infant formulas and analyzed with liquid chromatography tandem mass spectrometry (HPLC-MS/MS). The purpose of this research was to quantify natural steroid hormones in various infant formulas, to provide food and nutrition practitioners with information to estimate intakes in children. In addition, data found in the literature was used for comparison. The findings suggest that there are certain similarities between bovine milk and dairy products for infants. Furthermore, the detected levels were in general lower than those observed in human milk and/or colostrum. The reported results represent a valuable addition to the current knowledge on natural hormone content of infant foods.
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Affiliation(s)
- Rocío Barreiro
- Department of Analytical Chemistry, Nutrition and Bromatology, Faculty of Veterinary Science, University of Santiago de Compostela, 27002 Lugo, Spain.
| | - Patricia Regal
- Department of Analytical Chemistry, Nutrition and Bromatology, Faculty of Veterinary Science, University of Santiago de Compostela, 27002 Lugo, Spain.
| | - Mónica Díaz-Bao
- Department of Analytical Chemistry, Nutrition and Bromatology, Faculty of Veterinary Science, University of Santiago de Compostela, 27002 Lugo, Spain.
| | - Cristina A Fente
- Department of Analytical Chemistry, Nutrition and Bromatology, Faculty of Veterinary Science, University of Santiago de Compostela, 27002 Lugo, Spain.
| | - Alberto Cepeda
- Department of Analytical Chemistry, Nutrition and Bromatology, Faculty of Veterinary Science, University of Santiago de Compostela, 27002 Lugo, Spain.
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Abstract
Based on own translational research of the biochemical and hormonal effects of cow's milk consumption in humans, this review presents milk as a signaling system of mammalian evolution that activates the nutrient-sensitive kinase mechanistic target of rapamycin complex 1 (mTORC1), the pivotal regulator of translation. Milk, a mammary gland-derived secretory product, is required for species-specific gene-nutrient interactions that promote appropriate growth and development of the newborn mammal. This signaling system is highly conserved and tightly controlled by the lactation genome. Milk is sufficient to activate mTORC1, the crucial regulator of protein, lipid, and nucleotide synthesis orchestrating anabolism, cell growth and proliferation. To fulfill its mTORC1-activating function, milk delivers four key metabolic messengers: (1) essential branched-chain amino acids (BCAAs); (2) glutamine; (3) palmitic acid; and (4) bioactive exosomal microRNAs, which in a synergistical fashion promote mTORC1-dependent translation. In all mammals except Neolithic humans, postnatal activation of mTORC1 by milk intake is restricted to the postnatal lactation period. It is of critical concern that persistent hyperactivation of mTORC1 is associated with aging and the development of age-related disorders such as obesity, type 2 diabetes mellitus, cancer, and neurodegenerative diseases. Persistent mTORC1 activation promotes endoplasmic reticulum (ER) stress and drives an aimless quasi-program, which promotes aging and age-related diseases.
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D'Orazio G, Asensio-Ramos M, Hernández-Borges J, Rodríguez-Delgado MÁ, Fanali S. Evaluation of the combination of a dispersive liquid-liquid microextraction method with micellar electrokinetic chromatography coupled to mass spectrometry for the determination of estrogenic compounds in milk and yogurt. Electrophoresis 2015; 36:615-25. [DOI: 10.1002/elps.201400452] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2014] [Revised: 11/04/2014] [Accepted: 11/04/2014] [Indexed: 11/11/2022]
Affiliation(s)
- Giovanni D'Orazio
- Departamento de Química Analítica; Nutrición y Bromatología; Facultad de Química; Universidad de La Laguna (ULL); La Laguna, Tenerife España
- Institute of Chemical Methodologies; Italian National Research Council-CNR; Monterotondo Rome Italy
| | - María Asensio-Ramos
- Departamento de Química Analítica; Nutrición y Bromatología; Facultad de Química; Universidad de La Laguna (ULL); La Laguna, Tenerife España
- Instituto Volcanológico de Canarias (INVOLCAN); Puerto de la Cruz Tenerife Spain
| | - Javier Hernández-Borges
- Departamento de Química Analítica; Nutrición y Bromatología; Facultad de Química; Universidad de La Laguna (ULL); La Laguna, Tenerife España
| | - Miguel Ángel Rodríguez-Delgado
- Departamento de Química Analítica; Nutrición y Bromatología; Facultad de Química; Universidad de La Laguna (ULL); La Laguna, Tenerife España
| | - Salvatore Fanali
- Institute of Chemical Methodologies; Italian National Research Council-CNR; Monterotondo Rome Italy
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Effect of Technological Treatments on Human-Like Leptin Level in Bovine Milk for Human Consumption. Foods 2014; 3:433-442. [PMID: 28234329 PMCID: PMC5302258 DOI: 10.3390/foods3030433] [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: 04/15/2014] [Revised: 06/20/2014] [Accepted: 07/02/2014] [Indexed: 11/17/2022] Open
Abstract
In this experiment, raw milk and commercially available full-cream UHT milk, semi-skimmed UHT milk, skimmed UHT milk, full-cream pasteurized milk, semi-skimmed pasteurized milk and infant formulas for babies between 6 and 12 months of age were analyzed by RIA, with a method using an antibody directed against human leptin and human leptin as reference standard. Raw milk and full-cream UHT milk did not differ for human-like leptin. Leptin content of full-cream pasteurized milk was not different to that of full-cream UHT milk, but it was 14% lower (p < 0.05) than that observed in raw milk. Human-like leptin level of semi-skimmed UHT milk was not different to that of semi-skimmed pasteurized milk, but it was 30% lower (p < 0.0001) than those of full-cream UHT and full-cream pasteurized milks. In skimmed UHT milk, leptin was 40% lower (p < 0.0001) than in full-cream UHT milk. Leptin was correlated (p < 0.001) with lipid content. Leptin level of infant formulas was not different to that of skimmed milks. Results suggest that the heat treatment (pasteurization or UHT) is not a modifier of human-like leptin content of edible commercial bovine milks, whereas the skimming process significantly reduces milk leptin level.
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Melnik BC, John SM, Schmitz G. Adipogenic and insulin resistance- promoting effects of milk consumption. Mol Nutr Food Res 2014; 58:1166-7. [PMID: 24902679 DOI: 10.1002/mnfr.201470054] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Bodo C Melnik
- Department of Dermatology, Environmental Medicine and Health Theory, University of Osnabrück, Germany
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Bar Yamin H, Barnea M, Genzer Y, Chapnik N, Froy O. Long-term commercial cow's milk consumption and its effects on metabolic parameters associated with obesity in young mice. Mol Nutr Food Res 2013; 58:1061-8. [PMID: 24550222 DOI: 10.1002/mnfr.201300650] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2013] [Revised: 10/20/2013] [Accepted: 10/22/2013] [Indexed: 01/01/2023]
Abstract
SCOPE Research has demonstrated that consumption of milk promotes weight loss and satiety, however conflicting evidence also exists. Therefore, we tested the effect of long-term milk consumption on body weight and metabolic parameters. METHODS AND RESULTS Newly weaned mice received whole milk, low-fat milk, or water as control for 17 weeks and serum, liver, and white adipose tissue (WAT) were tested for parameters associated with obesity and diabetes. Our results show that low-fat milk leads to the same overall caloric intake and body weight as the control group. However, the whole-milk group consumed more calories and reached a higher body weight. In addition, in the low-fat milk group, cholesterol, HDL-cholesterol, triglycerides, leptin, ghrelin, insulin, corticosterone, and glucagon were not significantly different than the control group. In contrast, in the whole-milk group, cholesterol, HDL-cholesterol, triglycerides, and glucagon were high compared with the control group. Metabolism in both liver and WAT showed only slight differences between the milk groups. Whereas the whole-milk group showed reduced insulin signaling in WAT, the low-fat milk group exhibited increased insulin signaling. CONCLUSION Whole-milk consumption leads to increased body weight and caloric intake and reduced insulin signaling in WAT, as opposed to low-fat milk consumption.
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Affiliation(s)
- Hadas Bar Yamin
- Robert H. Smith Faculty of Agriculture, Food and Environment, Institute of Biochemistry, Food Science and Nutrition, The Hebrew University of Jerusalem, Rehovot, Israel
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Pereira PC. Milk nutritional composition and its role in human health. Nutrition 2013; 30:619-27. [PMID: 24800664 DOI: 10.1016/j.nut.2013.10.011] [Citation(s) in RCA: 327] [Impact Index Per Article: 29.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2013] [Revised: 10/13/2013] [Accepted: 10/21/2013] [Indexed: 12/14/2022]
Abstract
Dairy and milk consumption are frequently included as important elements in a healthy and balanced diet. It is the first food for mammals and provides all the necessary energy and nutrients to ensure proper growth and development, being crucial in respect to bone mass formation. However, several controversies arise from consumption of dairy and milk products during adulthood, especially because it refers to milk from other species. Despite these controversies, epidemiologic studies confirm the nutritional importance of milk in the human diet and reinforce the possible role of its consumption in preventing several chronic conditions like cardiovascular diseases (CVDs), some forms of cancer, obesity, and diabetes. Lactose malabsorption symptoms and cow milk protein allergy are generally considered to be the adverse reactions to milk consumption. The present article reviews the main aspects of milk nutritional composition and establishes several associations between its nutritious role, health promotion, and disease prevention.
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Affiliation(s)
- Paula C Pereira
- Laboratório de Bioquímica, CiiEm - Centro de Investigação Interdisciplinar Egas Moniz, Egas Moniz, Cooperativa de Ensino Superior, C.R.L. Quinta da Granja, Monte de Caparica, Caparica, Portugal.
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Miraghajani MS, Najafabadi MM, Surkan PJ, Esmaillzadeh A, Mirlohi M, Azadbakht L. Soy Milk Consumption and Blood Pressure Among Type 2 Diabetic Patients With Nephropathy. J Ren Nutr 2013; 23:277-282.e1. [DOI: 10.1053/j.jrn.2013.01.017] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2012] [Revised: 01/21/2013] [Accepted: 01/24/2013] [Indexed: 12/11/2022] Open
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Is type 1 diabetes a food-induced disease? Med Hypotheses 2013; 81:338-42. [PMID: 23688738 DOI: 10.1016/j.mehy.2013.03.046] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2012] [Accepted: 03/29/2013] [Indexed: 12/17/2022]
Abstract
The incidence of type 1 diabetes among children has almost doubled during the last decades in Sweden. Type 1 diabetes is considered as an autoimmune disease with unknown aetiology. Here we propose that the immune reaction may be initiated by food-derived mechanisms. The incidence of diabetes parallels an increased consumption of pasta, white bread, meat, cheese, low-fat milk, exotic fruits, soda, and snacks. Simultaneously, the consumption of potatoes, butter, high-fat milk, and domestic fruit has decreased. Three categories of food related reaction mechanisms are discussed against the following items (1) proteins from wheat, meat, and milk, (2) fat from processed food, and (3) exotic fruits. The current food consumption is suggested to initiate a pro-inflammatory reaction in the intestine and thereby reduce the intestinal barrier function. This may influence tolerance development and thus pave the way for an autoimmune attack on pancreatic beta cells.
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Rideout TC, Marinangeli CPF, Martin H, Browne RW, Rempel CB. Consumption of low-fat dairy foods for 6 months improves insulin resistance without adversely affecting lipids or bodyweight in healthy adults: a randomized free-living cross-over study. Nutr J 2013; 12:56. [PMID: 23638799 PMCID: PMC3651862 DOI: 10.1186/1475-2891-12-56] [Citation(s) in RCA: 61] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2013] [Accepted: 04/18/2013] [Indexed: 11/10/2022] Open
Abstract
Background Given the highly debated role of dairy food consumption in modulating biomarkers of metabolic syndrome, this study was conducted to examine the influence of long-term (6 month) dairy consumption on metabolic parameters in healthy volunteers under free-living conditions without energy restriction. Methods Twenty-three healthy subjects completed a randomized, crossover trial of 12 months. Participants consumed their habitual diets and were randomly assigned to one of two treatment groups: a high dairy supplemented group instructed to consume 4 servings of dairy per day (HD); or a low dairy supplemented group limited to no more than 2 servings of dairy per day (LD). Baseline, midpoint, and endpoint metabolic responses were examined. Results Endpoint measurements of body weight and composition, energy expenditure, blood pressure, blood glucose, and blood lipid and lipoprotein responses did not differ (p > 0.05) between the LD and HD groups. HD consumption improved (p < 0.05) plasma insulin (-9%) and insulin resistance (-11%, p = 0.03) as estimated by HOMA-IR compared with the LD group. Conclusions Study results suggest that high dairy consumption (4 servings/d) may improve insulin resistance without negatively impacting bodyweight or lipid status under free-living conditions. Trial registration Trial registration:
NCT01761955
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Affiliation(s)
- Todd C Rideout
- Department of Exercise and Nutrition Sciences, School of Public Health and Health Professions, University at Buffalo, Buffalo, NY 14214, USA.
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Brantsæter AL, Olafsdottir AS, Forsum E, Olsen SF, Thorsdottir I. Does milk and dairy consumption during pregnancy influence fetal growth and infant birthweight? A systematic literature review. Food Nutr Res 2012. [PMID: 23185146 PMCID: PMC3505908 DOI: 10.3402/fnr.v56i0.20050] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
It is increasingly acknowledged that the maternal diet influences fetal development and health of the child. Milk and milk products contribute essential nutrients and bioactive substances; they are of ample supply and have a long tradition in Nordic countries. To revise and update dietary guidelines for pregnant women valid in Nordic countries, the Pregnancy and Lactation expert group within the NNR5 project identified a need to systematically review recent scientific data on infant growth measures and maternal milk consumption. The objective of this study was to assess the influence of milk and dairy consumption during pregnancy on fetal growth through a systematic review of studies published between January 2000 and December 2011. A literature search was run in June 2011. Two authors independently selected studies for inclusion from the 495 abstracts according to predefined eligibility criteria. A complementary search in January 2012 revealed 64 additional abstracts published during the period June to December 2011, among them one study of interest previously identified. Of the 33 studies extracted, eight were relevant research papers. Five were prospective cohort studies (including a retrospective chart review), one was a case–control study, and two were retrospective cohort studies. For fetal length or infant birth length, three studies reported no association and two reported positive associations with milk or dairy consumption. For birthweight related outcomes, two studies reported no associations, and four studies reported positive associations with milk and/or dairy consumption. There was large heterogeneity in exposure range and effect size between studies. A beneficial fetal growth-increase was most pronounced for increasing maternal milk intake in the lower end of the consumption range. Evidence from prospective cohort studies is limited but suggestive that moderate milk consumption relative to none or very low intake, is positively associated with fetal growth and infant birthweight in healthy, Western populations.
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Affiliation(s)
- Anne Lise Brantsæter
- Department of Exposure and Risk Assessment, Division of Environmental Medicine, Norwegian Institute of Public Health, Oslo, Norway
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Melnik B. Dietary intervention in acne: Attenuation of increased mTORC1 signaling promoted by Western diet. DERMATO-ENDOCRINOLOGY 2012; 4:20-32. [PMID: 22870349 PMCID: PMC3408989 DOI: 10.4161/derm.19828] [Citation(s) in RCA: 74] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
The purpose of this paper is to highlight the endocrine signaling of Western diet, a fundamental environmental factor involved in the pathogenesis of epidemic acne. Western nutrition is characterized by high calorie uptake, high glycemic load, high fat and meat intake, as well as increased consumption of insulin- and IGF-1-level elevating dairy proteins. Metabolic signals of Western diet are sensed by the nutrient-sensitive kinase, mammalian target of rapamycin complex 1 (mTORC1), which integrates signals of cellular energy, growth factors (insulin, IGF-1) and protein-derived signals, predominantly leucine, provided in high amounts by milk proteins and meat. mTORC1 activates SREBP, the master transcription factor of lipogenesis. Leucine stimulates mTORC1-SREBP signaling and leucine is directly converted by sebocytes into fatty acids and sterols for sebaceous lipid synthesis. Over-activated mTORC1 increases androgen hormone secretion and most likely amplifies androgen-driven mTORC1 signaling of sebaceous follicles. Testosterone directly activates mTORC1. Future research should investigate the effects of isotretinoin on sebocyte mTORC1 activity. It is conceivable that isotretinoin may downregulate mTORC1 in sebocytes by upregulation of nuclear levels of FoxO1. The role of Western diet in acne can only be fully appreciated when all stimulatory inputs for maximal mTORC1 activation, i.e., glucose, insulin, IGF-1 and leucine, are adequately considered. Epidemic acne has to be recognized as an mTORC1-driven disease of civilization like obesity, type 2 diabetes, cancer and neurodegenerative diseases. These new insights into Western diet-mediated mTORC1-hyperactivity provide a rational basis for dietary intervention in acne by attenuating mTORC1 signaling by reducing (1) total energy intake, (2) hyperglycemic carbohydrates, (3) insulinotropic dairy proteins and (4) leucine-rich meat and dairy proteins. The necessary dietary changes are opposed to the evolution of industrialized food and fast food distribution of Westernized countries. An attenuation of mTORC1 signaling is only possible by increasing the consumption of vegetables and fruit, the major components of vegan or Paleolithic diets. The dermatologist bears a tremendous responsibility for his young acne patients who should be advised to modify their dietary habits in order to reduce activating stimuli of mTORC1, not only to improve acne but to prevent the harmful and expensive march to other mTORC1-related chronic diseases later in life.
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Affiliation(s)
- Bodo Melnik
- Department of Dermatology; Environmental Medicine and Health Theory; University of Osnabrück; Osnabrück, Germany
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Kwok MK, Leung GM, Lam TH, Schooling CM. Breastfeeding, childhood milk consumption, and onset of puberty. Pediatrics 2012; 130:e631-9. [PMID: 22908108 DOI: 10.1542/peds.2011-3697] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
Abstract
OBJECTIVE Early nutrition has been postulated as programming pubertal timing. Limited observational studies, mainly from Western settings, suggest puberty occurs later with breastfeeding and earlier with higher cow's milk (including infant formula) consumption. However, these observations may be socioeconomically confounded. This study examined whether breastfeeding or childhood milk consumption was associated with pubertal onset in a setting with different associations of breastfeeding and puberty with socioeconomic position. METHODS The adjusted associations of breastfeeding or milk consumption at 6 months, 3 years, and 5 years with clinically assessed age at pubertal onset (Tanner stage II) were assessed by using interval-censored regression in a population-representative Hong Kong Chinese birth cohort, "Children of 1997," with 90% follow-up (N = 7523). RESULTS Compared with never breastfeeding, exclusive breastfeeding for 3+ months was unrelated to age at pubertal onset (time ratio [TR] 1.001, 95% confidence interval [CI] 0.987-1.015), as was partial breastfeeding for any length of time or exclusive breastfeeding for <3 months (TR 1.003, 95% CI 0.996-1.010), adjusted for gender, socioeconomic position, birth weight-for-gestational age, birth order, second-hand smoke exposure, and mother's age and place of birth. Daily milk consumption at 6 months (TR 1.004, 95% CI 0.991-1.018), 3 years (TR 0.995, 95% CI 0.982-1.008), or 5 years (TR 0.998, 95% CI 0.988-1.009) was also unrelated to age at pubertal onset compared with milk consumption for ≤ 1 time per week at the corresponding ages. CONCLUSIONS In a non-Western setting, neither breastfeeding nor childhood milk consumption was associated with age at pubertal onset, suggesting that associations may vary by setting.
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Affiliation(s)
- Man Ki Kwok
- Life course and Lifestyle Epidemiology Group, School of Public Health, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong Special Administrative Region, China
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Shang X, Li Y, Liu A, Zhang Q, Hu X, Du S, Ma J, Xu G, Li Y, Guo H, Du L, Ma G. Dietary pattern and its association with the prevalence of obesity and related cardiometabolic risk factors among Chinese children. PLoS One 2012; 7:e43183. [PMID: 22905228 PMCID: PMC3419173 DOI: 10.1371/journal.pone.0043183] [Citation(s) in RCA: 91] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2012] [Accepted: 07/19/2012] [Indexed: 02/07/2023] Open
Abstract
BACKGROUND The association of dietary pattern with chronic diseases has been investigated widely in western countries. However, information is quite limited among children in China. Our study is aimed to identify the dietary patterns of Chinese children and examine their association with obesity and related cardiometabolic risk factors. METHODS A total of 5267 children were selected using multistage random sampling from 30 primary schools of 5 provincial capital cities in China. Dietary intake was derived from 24 hour dietary recall for three consecutive days. Anthropometric measurements, glucose and lipid profiles were obtained. Factor analysis combined with cluster analysis was used for identifying major dietary patterns. The associations of dietary patterns with obesity and related cardiometabolic risk factors were examined by logistic regression analysis. RESULTS Three mutually exclusive dietary patterns were identified, which were labeled as the healthy dietary pattern, the transitive dietary pattern, and the Western dietary pattern. Compared with children of the healthy dietary pattern, the multiple-adjusted odds ratios (95% confidence interval (CI)) of obesity were 1.11 (0.89-1.38) for children with the transitive dietary pattern and 1.80 (1.15-2.81) for children with the Western dietary pattern, which was 1.31 (95%CI 1.09-1.56) and 1.71 (95%CI: 1.13-2.56), respectively, for abdominal obesity. The Western dietary pattern was associated with significantly higher concentrations of low-density lipoprotein cholesterol (P<.001), triglycerides (P<.001), systolic blood pressure (P = 0.0435) and fasting glucose (P = 0.0082) and a lower concentration of high-density lipoprotein cholesterol (P = 0.0023), as compared with the healthy dietary pattern. CONCLUSIONS The Western dietary pattern characterized by red meat, eggs, refined grain and products, was positively associated with odds of obesity, the levels of plasma glucose, low-density lipoprotein cholesterol and triglycerides, and was inversely associated with the level of high-density lipoprotein cholesterol.
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Affiliation(s)
- Xianwen Shang
- National Institute for Nutrition and Food Safety, Chinese Center for Disease Control and Prevention, Beijing, Beijing, China
- China Oxford Centre for International Health Research, Cardiovascular Institute & Fu Wai Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, Beijing, China
| | - Yanping Li
- National Institute for Nutrition and Food Safety, Chinese Center for Disease Control and Prevention, Beijing, Beijing, China
| | - Ailing Liu
- National Institute for Nutrition and Food Safety, Chinese Center for Disease Control and Prevention, Beijing, Beijing, China
| | - Qian Zhang
- National Institute for Nutrition and Food Safety, Chinese Center for Disease Control and Prevention, Beijing, Beijing, China
| | - Xiaoqi Hu
- National Institute for Nutrition and Food Safety, Chinese Center for Disease Control and Prevention, Beijing, Beijing, China
| | - Songming Du
- National Institute for Nutrition and Food Safety, Chinese Center for Disease Control and Prevention, Beijing, Beijing, China
| | - Jun Ma
- Health Science Center, Beijing University, Beijing, Beijing, China
| | - Guifa Xu
- Shandong University, Jinan, Shandong, China
| | - Ying Li
- Public Health College, Haerbin Medical University, Haerbin, Heilongjiang, China
| | | | - Lin Du
- Guangzhou Center for Diseases Prevention and Control, Guangzhou, Guangdong, China
| | - Guansheng Ma
- National Institute for Nutrition and Food Safety, Chinese Center for Disease Control and Prevention, Beijing, Beijing, China
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Regal P, Cepeda A, Fente C. Development of an LC-MS/MS method to quantify sex hormones in bovine milk and influence of pregnancy in their levels. Food Addit Contam Part A Chem Anal Control Expo Risk Assess 2012; 29:770-9. [DOI: 10.1080/19440049.2011.653989] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
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Velazquez MA, Hadeler KG, Herrmann D, Kues WA, Rémy B, Beckers JF, Niemann H. In vivo oocyte IGF-1 priming increases inner cell mass proliferation of in vitro-formed bovine blastocysts. Theriogenology 2012; 78:517-27. [PMID: 22538004 DOI: 10.1016/j.theriogenology.2012.02.034] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2011] [Revised: 01/29/2012] [Accepted: 02/22/2012] [Indexed: 11/29/2022]
Abstract
Studies addressing the effects of supraphysiological levels of IGF-1 on oocyte developmental competence are relevant for unravelling conditions resulting in high bioavailability of IGF-1, such as the polycystic ovary syndrome (PCOS). This study investigated the effects of supraphysiological levels of IGF-1 during in vivo folliculogenesis on the morula-blastocyst transition in bovine embryos. Compacted morulae were non-surgically collected and frozen for subsequent mRNA expression analysis (IGF1R, IGBP3, TP53, AKT1, SLC2A1, SLC2A3, and SLC2A8), or underwent confocal microscopy analysis for protein localization (IGF1R and TP53), or were cultured in vitro for 24 h. In vitro-formed blastocysts were subjected to differential cell staining. The mRNA expression of SLC2A8 was higher in morulae collected from cows treated with IGF-1. Both IGF1R and TP53 protein were present in the plasma membrane and cytoplasm. IGF-1 treatment did not affect protein localization of both IGF1R and TP53. In vitro-formed blastocysts derived from morulae recovered from IGF-1-treated cows displayed a higher number of cells in the inner cell mass (ICM). Total cell number (TCN) of in vitro-formed blastocysts was not affected. A higher mean ICM/TCN proportion was observed in in vitro-formed blastocysts derived from morulae collected from cows treated with IGF-1. The percentage of in vitro-formed blastocysts displaying a low ICM/TCN proportion was decreased by IGF-1 treatment. In vitro-formed blastocysts with a high ICM/TCN proportion were only detected in IGF-1 treated cows. Results show that even a short in vivo exposure of oocytes to a supraphysiological IGF-1 microenvironment can increase ICM cell proliferation in vitro during the morula to blastocyst transition.
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Affiliation(s)
- M A Velazquez
- Institute of Farm Animal Genetics, Biotechnology, Friedrich-Loeffler-Institut, Höltystraße 10, Mariensee, 31535 Neustadt, Germany
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