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Almohaid S, Akhtar S. Diet, lifestyle factors, comorbidities, and hepatocellular carcinoma risk in a middle eastern country: a case-control study. BMC Cancer 2024; 24:694. [PMID: 38844890 PMCID: PMC11157712 DOI: 10.1186/s12885-024-12409-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2023] [Accepted: 05/22/2024] [Indexed: 06/09/2024] Open
Abstract
BACKGROUND Hepatocellular Carcinoma (HCC) can be classified as one of the most common malignancies worldwide. There is scarcity of the published data on the risk factors for HCC in the Gulf Cooperation Council countries specifically Kuwait. Therefore, this case-control study sought to examine the risk factors associated with HCC in Kuwait. METHODS Fifty-three histopathologically confirmed HCC cases were recruited from the Kuwait Cancer Control Center Registry. One hundred ninety-six controls (1:4 ratio) were selected from medical and/ or surgical outpatient's clinics at all six public hospitals of Kuwait. A structured questionnaire was used to collect the data both from cases and controls through face-to-face interviews. A multivariable logistic regression model was fitted to the case-control data. Adjusted odds ratios (ORadj) and their 95% confidence intervals (CI) were computed using the parameters' estimates of the final model and used for interpretation of the model. RESULTS The HCC cases compared with the controls were 41.6 times more likely to have had the history of non-alcoholic fatty liver disease (NAFLD) (ORadj = 41.6; 95% CI: 8.9-193.5; p < 0.001). The cases compared with the controls were more likely to have reported the history of heavy alcohol drinking (ORadj = 14.2; 95% CI: 1.2-173.4; p = 0.038). Furthermore, compared with the controls, the HCC cases tended to frequently consume milk and/or milk substitutes (≥ 3 glass/ week) (ORadj = 7.2; 95% CI: 1.2-43.4). Conversely however, there was a significant protective effect if the participants reportedly have had regularly used olive oil in their routine diet as a source of fat (ORadj = 0.17; 95% CI: 0.04-0.80) or regularly used non-steroid anti-inflammatory drugs (NSAIDs) (ORadj = 0.20; 95% CI: 0.05-0.71). CONCLUSIONS This study showed that heavy alcohol consumption, NAFLD history, and excessive consumption of milk/ milk substitutes were associated with a significantly increased HCC risk. Conversely however, regular use of olive oil in the diet as a source of fat or regular use of NSAIDs had a significantly protective effect against HCC risk. Adapting healthy dietary habits and preventing/ treating NAFLD may minimize the HCC risk. Future research with a larger sample size may contemplate validating the results of this study and unraveling additional risk factors contributing to HCC risk. The resultant data may help design and implement evidence-based educational programs for the prevention of HCC in this and other similar settings.
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Affiliation(s)
- Shaimaa Almohaid
- Department of Community Medicine and Behavioural Sciences, College of Medicine, Kuwait University, PO Box 24923, Safat, 13110, Kuwait
| | - Saeed Akhtar
- Department of Community Medicine and Behavioural Sciences, College of Medicine, Kuwait University, PO Box 24923, Safat, 13110, Kuwait.
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Scialo TE, Pace CM, Abrams DI. The Dairy and Cancer Controversy: Milking the Evidence. Curr Oncol Rep 2024; 26:191-199. [PMID: 38289521 DOI: 10.1007/s11912-024-01496-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/11/2024] [Indexed: 03/08/2024]
Abstract
PURPOSE OF REVIEW Cancer risk reduction remains a significant concern for both individuals with a cancer diagnosis and those aiming to prevent it. Dairy products, a source of beneficial dietary nutrients, have sparked controversy regarding their impact on cancer risk. RECENT FINDINGS Evidence indicates that dairy consumption, particularly milk, can decrease colorectal cancer risk. However, cow's milk, a key dairy product, exposes individuals to growth hormones, notably insulin-like growth factor-1, potentially elevating cancer risk. Extensive research supports the link between dairy intake and heightened prostate cancer risk. Nonetheless, investigations into dairy's association with breast, ovarian, and other cancers yield mixed results. The overall data on dairy and cancer remains inconclusive. Available data suggests that a diet emphasizing fiber-rich foods such as whole grains, fruits, and vegetables, while restricting milk and dairy intake-similar to the Mediterranean dietary pattern-might mitigate cancer incidence. However, further research is crucial to elucidate the precise role of dairy products in overall cancer risk.
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Affiliation(s)
- Taylor E Scialo
- Nutrition and Food Services, Department of Veterans Affairs Medical Center, Wilmington, DE, USA.
| | - Crystal M Pace
- Nutrition and Food Services, Department of Veterans Affairs Medical Center, Augusta, ME, USA
| | - Donald I Abrams
- UCSF Osher Center for Integrative Health, University of California San Francisco, San Francisco, CA, USA
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Soczynska I, da Costa BR, O'Connor DL, Jenkins DJ, Birken CS, Keown-Stoneman CD, Maguire JL. Plant-Based Milk Consumption and Growth in Children 1-10 Years of Age. J Nutr 2024; 154:985-993. [PMID: 38219863 DOI: 10.1016/j.tjnut.2023.12.046] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2023] [Accepted: 12/27/2023] [Indexed: 01/16/2024] Open
Abstract
BACKGROUND The effects of plant-based milk consumption on the growth of children are unclear. OBJECTIVES We aimed to evaluate the relationship between plant-based milk consumption and BMI in childhood. Secondary objectives were to examine the association with height and whether these relationships are mediated by dairy milk intake and modified by age or the type of plant-based milk consumed. METHODS A prospective cohort study was conducted in healthy children aged 1-10 y through the TARGet Kids! primary care research network in Toronto, Canada. Linear mixed-effect modeling and logistic generalized estimating equations were used to evaluate the association between plant-based milk consumption (number of 250 mL cups/d) and BMI. A mediation analysis was conducted to examine whether dairy milk intake mediated these relationships. Effect modification by age and type of plant-based milk was explored. RESULTS Among 7195 children (mean age: 3.1 y; 52.3% male), higher plant-based milk consumption was associated with lower BMI (P = 0.0002) and height (P = 0.005). No association was found with BMI categories. Lower dairy milk intake partially mediated these relationships. A child aged 5 y who consumed 3 cups of plant-based milk compared with 3 cups of dairy milk had a lower weight of 0.5 kg and lower height of 0.8 cm. Associations did not change over time and were similar for children who consumed soy milk compared with other plant-based milks. CONCLUSIONS Plant-based milk consumption was associated with lower BMI and height, but both were within the normal range on average. Future longitudinal studies are needed to determine whether these associations persist over time.
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Affiliation(s)
- Izabela Soczynska
- Department of Nutritional Sciences, Faculty of Medicine, University of Toronto, Toronto, ON, Canada; Department of Pediatrics, St. Michael's Hospital, Toronto, ON, Canada; Joannah and Brian Lawson Centre for Child Nutrition, University of Toronto, Toronto, ON, Canada
| | - Bruno R da Costa
- Institute of Health Policy, Management and Evaluation, University of Toronto, Toronto, ON, Canada; Clinical Trial Service Unit and Epidemiological Studies Unit, Nuffield Department of Population Health, University of Oxford, Oxford, United Kingdom
| | - Deborah L O'Connor
- Department of Nutritional Sciences, Faculty of Medicine, University of Toronto, Toronto, ON, Canada; Joannah and Brian Lawson Centre for Child Nutrition, University of Toronto, Toronto, ON, Canada; Clinical Trial Service Unit and Epidemiological Studies Unit, Nuffield Department of Population Health, University of Oxford, Oxford, United Kingdom; Translational Medicine, SickKids Research Institute, Toronto, ON, Canada
| | - David Ja Jenkins
- Department of Nutritional Sciences, Faculty of Medicine, University of Toronto, Toronto, ON, Canada; Li Ka Shing Knowledge Institute, St. Michael's Hospital, Toronto, ON, Canada; Department of Medicine, Temerty Faculty of Medicine, University of Toronto, Toronto, ON, Canada; Clinical Nutrition and Risk Factor Modification Centre, St. Michael's Hospital, Toronto, ON, Canada; Division of Endocrinology and Metabolism, St. Michael's Hospital, Toronto, ON, Canada
| | - Catherine S Birken
- Institute of Health Policy, Management and Evaluation, University of Toronto, Toronto, ON, Canada; Department of Paediatrics, Temerty Faculty of Medicine, University of Toronto, Toronto, ON, Ontario; Child Health and Evaluative Sciences, SickKids Research Institute, Toronto, ON, Canada; Division of Paediatric Medicine, Hospital for Sick Children, Toronto, ON, Canada
| | - Charles Dg Keown-Stoneman
- Li Ka Shing Knowledge Institute, St. Michael's Hospital, Toronto, ON, Canada; Applied Health Research Centre, St. Michael's Hospital, Toronto, ON, Canada; Department of Biostatistics, Dalla Lana School of Public Health, University of Toronto, ON, Canada
| | - Jonathon L Maguire
- Department of Nutritional Sciences, Faculty of Medicine, University of Toronto, Toronto, ON, Canada; Department of Pediatrics, St. Michael's Hospital, Toronto, ON, Canada; Joannah and Brian Lawson Centre for Child Nutrition, University of Toronto, Toronto, ON, Canada; Li Ka Shing Knowledge Institute, St. Michael's Hospital, Toronto, ON, Canada; Department of Paediatrics, Temerty Faculty of Medicine, University of Toronto, Toronto, ON, Ontario; Child Health and Evaluative Sciences, SickKids Research Institute, Toronto, ON, Canada.
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Dai J, Yin T, Cao L. Dairy consumption and liver cancer risk: A meta‑analysis of observational studies. Oncol Lett 2024; 27:108. [PMID: 38304173 PMCID: PMC10831398 DOI: 10.3892/ol.2024.14240] [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: 09/26/2023] [Accepted: 12/12/2023] [Indexed: 02/03/2024] Open
Abstract
The connection between the consumption of dairy products and the risk of developing primary liver cancer (PLC) remains unclear. The present study performed a comprehensive meta-analysis with the aim of providing evidence for any connection between the risk of developing PLC and the consumption of dairy products. For this purpose, eligible studies were screened from the PubMed, Cochrane Library and Embase databases before December 2022. A total of 10 cohort studies and 8 case-control studies were included, making a total of 18 studies with 6,562,714 participants and 7,970 PLC cases. The relative risks (RRs) for milk and yogurt were 1.38 [95% confidence interval (CI), 1.07-1.77] and 0.49 (95% CI, 0.27-0.91), which revealed a positive and negative association, respectively, with the risk of developing PLC. There was no association between total dairy (RR, 1.04; 95% CI, 0.84-1.30) or cheese and curd (RR, 1.05; 95% CI, 0.87-1.27) consumption and the risk of developing PLC. On the whole, the findings of the present study demonstrated that high milk consumption was associated with a higher risk of developing PLC, while by contrast, yogurt consumption was associated with a lower risk of developing PLC. Consequently, further studies are required to further examine this association.
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Affiliation(s)
- Jiaying Dai
- Department of Hepatobiliary Surgery, KaiLuan General Hospital, North China University of Science and Technology, Tangshan, Hebei 063000, P.R. China
| | - Tong Yin
- Department of Ultrasound, North China University of Science and Technology Affiliated Hospital, North China University of Science and Technology, Tangshan, Hebei 063000, P.R. China
| | - Liying Cao
- Department of Hepatobiliary Surgery, KaiLuan General Hospital, North China University of Science and Technology, Tangshan, Hebei 063000, P.R. China
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Riseberg E, Wu Y, Lam WC, Eliassen AH, Wang M, Zhang X, Willett WC, Smith-Warner SA. Lifetime dairy product consumption and breast cancer risk: a prospective cohort study by tumor subtypes. Am J Clin Nutr 2024; 119:302-313. [PMID: 38042408 PMCID: PMC10884601 DOI: 10.1016/j.ajcnut.2023.11.017] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2023] [Revised: 11/17/2023] [Accepted: 11/28/2023] [Indexed: 12/04/2023] Open
Abstract
BACKGROUND Previous literature on dairy products and risk of breast cancer is inconsistent, and the relationship may depend on the life-period of dietary assessment. OBJECTIVE We examined dairy consumption from adolescence through later adulthood and incidence of breast cancer by menopausal status and tumor molecular subtypes in the Nurses' Health Study (NHS), a prospective cohort study. METHODS We analyzed data from 63,847 females in the NHS collected from 1980 to 2018. Average intake of dairy products during adulthood was assessed by validated semiquantitative food frequency questionnaires throughout follow-up. Participants recalled adolescent dietary intake in 1986. Multivariable Cox proportional hazards models were used to estimate hazard ratios (HRs) relating dairy product consumption to breast cancer risk overall, by menopausal status, and by subtypes. RESULTS We documented 5733 incident cases of invasive breast cancer during 32 y of follow-up (n = 5298 postmenopausal). Lifetime, adolescent, adulthood, and postmenopausal total dairy and milk intakes were not associated with overall breast cancer risk (nonsignificant HRs comparing highest with lowest quintile range = 0.97-1.08), although there was a suggestive positive association between adolescent milk intake and breast cancer risk (HR: 1.09; 95% CI: 1.00, 1.18). Higher lifetime and premenopausal cheese intakes were associated with modestly lower risks of breast cancer (comparing highest with lowest quintile, HR for lifetime cheese intake: 0.90; 95% CI: 0.82, 0.98; HR for premenopausal cheese intake: 0.89; 95% CI: 0.79, 1.00). Results varied by tumor subtype and some evidence for heterogeneity was observed for an association between premenopausal milk intake and breast cancer (HR for estrogen receptor [ER]-positive: 0.84; 95% CI: 0.72, 0.99; ER-negative: 1.36; 95% CI: 1.00, 1.84; P heterogeneity = 0.04). CONCLUSIONS These findings suggest that overall dairy consumption was not associated with risk of breast cancer. However, heterogeneity was observed for type of dairy food, period of life, and tumor subtypes.
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Affiliation(s)
- Emily Riseberg
- Department of Nutrition, Harvard T.H. Chan School of Public Health, Boston, MA, United States
| | - You Wu
- Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, MA, United States; Institute for Hospital Management, School of Medicine, Tsinghua University, Beijing, China; Department of Health Policy and Management, Bloomberg School of Public Health, Johns Hopkins University, Baltimore, MD, United States.
| | - Wai Ching Lam
- Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, MA, United States; Channing Division of Network Medicine, Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, United States
| | - A Heather Eliassen
- Department of Nutrition, Harvard T.H. Chan School of Public Health, Boston, MA, United States; Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, MA, United States; Channing Division of Network Medicine, Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, United States
| | - Molin Wang
- Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, MA, United States; Department of Biostatistics, Harvard T.H. Chan School of Public Health, Boston, MA, United States; Channing Division of Network Medicine, Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, United States
| | - Xuehong Zhang
- Department of Nutrition, Harvard T.H. Chan School of Public Health, Boston, MA, United States; Channing Division of Network Medicine, Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, United States
| | - Walter C Willett
- Department of Nutrition, Harvard T.H. Chan School of Public Health, Boston, MA, United States; Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, MA, United States
| | - Stephanie A Smith-Warner
- Department of Nutrition, Harvard T.H. Chan School of Public Health, Boston, MA, United States; Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, MA, United States
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Melnik BC. Acne Transcriptomics: Fundamentals of Acne Pathogenesis and Isotretinoin Treatment. Cells 2023; 12:2600. [PMID: 37998335 PMCID: PMC10670572 DOI: 10.3390/cells12222600] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2023] [Revised: 11/05/2023] [Accepted: 11/08/2023] [Indexed: 11/25/2023] Open
Abstract
This review on acne transcriptomics allows for deeper insights into the pathogenesis of acne and isotretinoin's mode of action. Puberty-induced insulin-like growth factor 1 (IGF-1), insulin and androgen signaling activate the kinase AKT and mechanistic target of rapamycin complex 1 (mTORC1). A Western diet (hyperglycemic carbohydrates and milk/dairy products) also co-stimulates AKT/mTORC1 signaling. The AKT-mediated phosphorylation of nuclear FoxO1 and FoxO3 results in their extrusion into the cytoplasm, a critical switch which enhances the transactivation of lipogenic and proinflammatory transcription factors, including androgen receptor (AR), sterol regulatory element-binding transcription factor 1 (SREBF1), peroxisome proliferator-activated receptor γ (PPARγ) and signal transducer and activator of transcription 3 (STAT3), but reduces the FoxO1-dependent expression of GATA binding protein 6 (GATA6), the key transcription factor for infundibular keratinocyte homeostasis. The AKT-mediated phosphorylation of the p53-binding protein MDM2 promotes the degradation of p53. In contrast, isotretinoin enhances the expression of p53, FoxO1 and FoxO3 in the sebaceous glands of acne patients. The overexpression of these proapoptotic transcription factors explains isotretinoin's desirable sebum-suppressive effect via the induction of sebocyte apoptosis and the depletion of BLIMP1(+) sebocyte progenitor cells; it also explains its adverse effects, including teratogenicity (neural crest cell apoptosis), a reduced ovarian reserve (granulosa cell apoptosis), the risk of depression (the apoptosis of hypothalamic neurons), VLDL hyperlipidemia, intracranial hypertension and dry skin.
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Affiliation(s)
- Bodo C Melnik
- Department of Dermatology, Environmental Medicine and Health Theory, University of Osnabrück, 49069 Osnabrück, Germany
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Jakše B, Fras Z, Fidler Mis N. Vegan Diets for Children: A Narrative Review of Position Papers Published by Relevant Associations. Nutrients 2023; 15:4715. [PMID: 38004109 PMCID: PMC10675242 DOI: 10.3390/nu15224715] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2023] [Revised: 11/04/2023] [Accepted: 11/06/2023] [Indexed: 11/26/2023] Open
Abstract
The scientific discourse on vegan diets for children and adolescents primarily involves referencing position statement papers from different scientific and professional organizations, including paediatric associations. Over the past two decades, specialized associations have issued official statements and published position papers about adopting well-designed vegan diets during crucial life stages, including pregnancy and lactation, infancy, and childhood. A subset of these associations firmly supports the notion that a well-designed vegan diet can indeed be healthy and support normal growth and development during particularly delicate life stages, emphasizing careful planning, vitamin B12 supplementation, and regular supervised medical and dietetics oversight. In contrast, specific paediatric associations caution against vegan diets for children and adolescents, citing potential harm and the lack of adequate substantiation. These criticisms in position papers frequently point to lower-quality studies and/or outdated studies. Additionally, concerns extend to comparing vegan and omnivorous diets, considering public health issues such as obesity and early stages of cardiovascular disease as well as the risk of prediabetes and type 2 diabetes. Notably, some scepticism stems from studies where children's adherence to a well-designed vegan diet is incomplete. Scientific rigor suggests performing a comparable assessment of omnivorous and vegan diets. This narrative review highlights the need for a comprehensive, up-to-date literature review to inform balanced perspectives on vegan diets for children and adolescents. Researchers and decision-makers should aim to actively improve the design and consistent implementation of both diet types.
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Affiliation(s)
| | - Zlatko Fras
- Division of Medicine, Centre for Preventive Cardiology, University Medical Centre Ljubljana, 1000 Ljubljana, Slovenia;
- Faculty of Medicine, University of Ljubljana, 1000 Ljubljana, Slovenia
| | - Nataša Fidler Mis
- Ministry of Health, 1000 Ljubljana, Slovenia
- Division of Paediatrics, University Medical Centre Ljubljana, 1000 Ljubljana, Slovenia
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Goldfarb G, Sela Y. The Ideal Diet for Humans to Sustainably Feed the Growing Population - Review, Meta-Analyses, and Policies for Change. F1000Res 2023; 10:1135. [PMID: 37928317 PMCID: PMC10623543 DOI: 10.12688/f1000research.73470.1] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 05/26/2023] [Indexed: 11/07/2023] Open
Abstract
INTRODUCTION As of now, no study has combined research from different sciences to determine the most suitable diet for humans. This issue is urgent due to the predicted population growth, the effect of this on the environment, and the deterioration of human health and associated costs. METHODS A literature review determined whether an optimal diet for humans exists and what such a diet is, followed by six meta-analyses. The standard criteria for conducting meta-analyses of observational studies were followed. A review of literature reporting Hazard Ratios with a 95% confidence interval for red meat intake, dairy intake, plant-based diet, fiber intake, and serum IGF-1 levels were extracted to calculate effect sizes. RESULTS Results calculated using NCSS software show that high meat consumption increases mortality probability by 18% on average and increases diabetes risk by 50%. Plant-based and high-fiber diets decrease mortality by 15% and 20% respectively ( p < .001). Plant-based diets decreased diabetes risk by 27%, and dairy consumption (measured by increased IGF-1 levels) increased cancer probability by 48% ( p < 0.01). A vegetarian or Mediterranean diet was not found to decrease the probability of heart disease. A vegetarian diet can be healthy or not, depending on the foods consumed. A Mediterranean diet with high quantities of meat and dairy products will not produce the health effects desired. The main limitations of the study were that observational studies were heterogeneous and limited by potential confounders. DISCUSSION The literature and meta-analyses point to an optimal diet for humans that has followed our species from the beginnings of humankind. The optimal diet is a whole food, high fiber, low-fat, 90+% plant-based diet. This diet allowed humans to become the most developed species on Earth. To ensure people's nutritional needs are met healthily and sustainably, governmental dietary interventions are necessary.
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Affiliation(s)
- Galit Goldfarb
- Nutrition, OUS University, The Royal Academy of Economics and Technology, Zürich, Switzerland
| | - Yaron Sela
- Nutrition, OUS University, The Royal Academy of Economics and Technology, Zürich, Switzerland
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Melnik BC, Stadler R, Weiskirchen R, Leitzmann C, Schmitz G. Potential Pathogenic Impact of Cow’s Milk Consumption and Bovine Milk-Derived Exosomal MicroRNAs in Diffuse Large B-Cell Lymphoma. Int J Mol Sci 2023; 24:ijms24076102. [PMID: 37047075 PMCID: PMC10094152 DOI: 10.3390/ijms24076102] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2023] [Revised: 03/05/2023] [Accepted: 03/16/2023] [Indexed: 03/29/2023] Open
Abstract
Epidemiological evidence supports an association between cow’s milk consumption and the risk of diffuse large B-cell lymphoma (DLBCL), the most common non-Hodgkin lymphoma worldwide. This narrative review intends to elucidate the potential impact of milk-related agents, predominantly milk-derived exosomes (MDEs) and their microRNAs (miRs) in lymphomagenesis. Upregulation of PI3K-AKT-mTORC1 signaling is a common feature of DLBCL. Increased expression of B cell lymphoma 6 (BCL6) and suppression of B lymphocyte-induced maturation protein 1 (BLIMP1)/PR domain-containing protein 1 (PRDM1) are crucial pathological deviations in DLBCL. Translational evidence indicates that during the breastfeeding period, human MDE miRs support B cell proliferation via epigenetic upregulation of BCL6 (via miR-148a-3p-mediated suppression of DNA methyltransferase 1 (DNMT1) and miR-155-5p/miR-29b-5p-mediated suppression of activation-induced cytidine deaminase (AICDA) and suppression of BLIMP1 (via MDE let-7-5p/miR-125b-5p-targeting of PRDM1). After weaning with the physiological termination of MDE miR signaling, the infant’s BCL6 expression and B cell proliferation declines, whereas BLIMP1-mediated B cell maturation for adequate own antibody production rises. Because human and bovine MDE miRs share identical nucleotide sequences, the consumption of pasteurized cow’s milk in adults with the continued transfer of bioactive bovine MDE miRs may de-differentiate B cells back to the neonatal “proliferation-dominated” B cell phenotype maintaining an increased BLC6/BLIMP1 ratio. Persistent milk-induced epigenetic dysregulation of BCL6 and BLIMP1 expression may thus represent a novel driving mechanism in B cell lymphomagenesis. Bovine MDEs and their miR cargo have to be considered potential pathogens that should be removed from the human food chain.
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Melnik BC, John SM, Carrera-Bastos P, Cordain L, Leitzmann C, Weiskirchen R, Schmitz G. The Role of Cow's Milk Consumption in Breast Cancer Initiation and Progression. Curr Nutr Rep 2023; 12:122-140. [PMID: 36729355 PMCID: PMC9974716 DOI: 10.1007/s13668-023-00457-0] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/06/2022] [Indexed: 02/03/2023]
Abstract
PURPOSE OF REVIEW This review evaluates cow milk's impact on breast carcinogenesis by linking recent epidemiological evidence and new insights into the molecular signaling of milk and its constituents in breast cancer (BCa) pathogenesis. RECENT FINDINGS Recent prospective cohort studies support the association between cow's milk consumption and the risk of estrogen receptor-α-positive (ER+) BCa. Milk is a complex biological fluid that increases systemic insulin-like growth factor 1 (IGF-1), insulin and estrogen signaling, and interacting hormonal promoters of BCa. Further potential oncogenic components of commercial milk include exosomal microRNAs (miR-148a-3p, miR-21-5p), bovine meat and milk factors, aflatoxin M1, bisphenol A, pesticides, and micro- and nanoplastics. Individuals with BRCA1 loss-of-function mutations and FTO and IGF1 gain-of-function polymorphisms enhancing IGF-1/mTORC1 signaling may be at increased risk for milk-induced ER+ BCa. Recent prospective epidemiological and pathobiochemical studies identify commercial milk consumption as a critical risk factor of ER+ BCa. Large meta-analyses gathering individuals of different ethnic origins with milk derived from dairy cows of varying genetic backgrounds and diverse feeding procedures as well as missing data on thermal processing of milk (pasteurization versus ultra-heat treatment) make multi-national meta-analyses unsuitable for BCa risk estimations in susceptible populations. Future studies are required that consider all vulnerable periods of breast carcinogenesis to cow's milk exposure, beginning during the perinatal period and puberty, since these are the most critical periods of mammary gland morphogenesis. Notwithstanding the need for better studies including detailed information on milk processing and vulnerable periods of human breast carcinogenesis, the available evidence suggests that dietary guidelines on milk consumption may have to be reconsidered.
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Affiliation(s)
- Bodo C Melnik
- Department of Dermatology, Environmental Medicine and Health Theory, University of Osnabrück, D-49076, Osnabrück, Germany.
| | - Swen Malte John
- Department of Dermatology, Environmental Medicine and Health Theory, University of Osnabrück, D-49076, Osnabrück, Germany
- Institute for Interdisciplinary Dermatological Prevention and Rehabilitation (iDerm) at the University of Osnabrück, Lower-Saxonian Institute of Occupational Dermatology (NIB), Osnabrück, Germany
| | - Pedro Carrera-Bastos
- Center for Primary Health Care Research, Lund University/Region Skåne, Skåne University Hospital, 205 02, Malmö, Sweden
- Faculty of Biomedical and Health Sciences, Universidad Europea de Madrid, 28670, Madrid, Spain
- Centro de Estudios Avanzados en Nutrición (CEAN), 11007, Cádiz, Spain
| | | | - Claus Leitzmann
- Institute of Nutrition, University of Giessen, 35390, Giessen, Germany
| | - Ralf Weiskirchen
- Institute of Molecular Pathobiochemistry, Experimental Gene Therapy and Clinical Chemistry (IFMPEGKC), RWTH University Hospital Aachen, D-52074, Aachen, Germany
| | - Gerd Schmitz
- Institute for Clinical Chemistry and Laboratory Medicine, University Hospital of Regensburg, University of Regensburg, D-93053, Regensburg, Germany
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Lajnaf R, Feki S, Ben Ameur S, Attia H, Kammoun T, Ayadi MA, Masmoudi H. Cows' milk alternatives for children with cows' milk protein allergy - Review of health benefits and risks of allergic reaction. Int Dairy J 2023. [DOI: 10.1016/j.idairyj.2023.105624] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/26/2023]
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Barnett JB, Zeng W. Healthy Eating for Successful Living in Older Adults™ community education program—evaluation of lifestyle behaviors: A randomized controlled trial. FRONTIERS IN AGING 2022; 3:960986. [PMID: 36187849 PMCID: PMC9521496 DOI: 10.3389/fragi.2022.960986] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/03/2022] [Accepted: 07/11/2022] [Indexed: 11/13/2022]
Abstract
Objective: Older adults face many chronic health issues including heart disease and osteoporosis, which are preventable through changes in lifestyle behaviors. The Healthy Eating for Successful Living in Older Adults™ (HESL) is a 6-week community education program designed specifically for persons aged ≥60 years, to promote behavioral changes toward a healthy lifestyle. Our objective is to evaluate the HESL. This is the first official evaluation of the HESL since its initiation in 2005.Study Design: A cluster randomized controlled trial.Method: Program implementation and evaluation took place between July 2018 and January 2020. Twenty-nine sites, with 292 participants aged ≥60 years from across five states (mostly from Massachusetts), were randomized into the intervention group (IG) (16 sites; n = 150 participants) and control group (CG) (13 sites; n = 142 participants). The HESL workshops followed a scripted curriculum including information from the USDA’s MyPlate™ and the USDA 2015–2020 dietary guidelines. Intervention elements included goal setting, self-assessment, group support, and problem solving through brainstorming. The CG received no intervention. Outcome measures were collected in both groups at baseline, 2 weeks postintervention (week 8), and 6 months postintervention. These included self-reported lifestyle behaviors, a composite healthy behavior index (HBI), body mass index [weight (kg)/height (m2)], and waist-to-hip circumference ratio (WHR). Mixed-effects regression models were used to examine the impact of the intervention.Results: The IG showed significantly improved responses to most healthy lifestyle behavior questions at week 8 compared to the CG. However, not all improved responses were sustained at month 6. Significant improvements detected at month 6 included responses to the question on making food choices that are healthy for the heart, using MyPlate™ tools for food choices, reading nutrition labels when shopping/planning meals, and confidence in managing own health (p < 0.001 in most cases). HBI was significantly improved at week 8 and month 6 (p < 0.001). WHR decreased significantly (p < 0.05) at month 6.Conclusion: Positive changes in lifestyle behaviors and WHR were observed in older adults due to the HESL intervention.Clinical Trial Registration:clinicaltrial.gov, Identifier: NCT04991844; https://clinicaltrials.gov/ct2/show/NCT04991844
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Affiliation(s)
- Junaidah B. Barnett
- Health and Healing Research Education and Service, Boston, MA, United States
- Department of Nutrition, Harvard School of Public Health, Harvard University, Boston, MA, United States
- Tufts University Sensory and Science Center, Medford, MA, United States
- *Correspondence: Junaidah B. Barnett,
| | - Wu Zeng
- Department of Global Health, School of Health, Georgetown University, Washington, DC, United States
- Schneider Institutes for Health Policy, The Heller School for Social Policy and Management, Brandeis University, Waltham, MA, United States
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13
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The association between dairy products consumption and prostate cancer risk: a systematic review and meta-analysis. Br J Nutr 2022; 129:1714-1731. [PMID: 35945656 DOI: 10.1017/s0007114522002380] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
Abstract
In this study, we conducted a meta-analysis to estimate the relationship between the consumption of dairy products and the risk of prostate cancer. We searched PubMed, Embase and Cochrane databases for relevant articles and identified a total of thirty-three cohort studies between 1989 and 2020. The qualities of included studies were assessed using Newcastle–Ottawa scale. Pooled adjusted relative risks (RR) with 95 % CI were calculated. We performed subgroup analyses stratified by dairy type, prostate cancer type, follow-up years, treatment era, collection times, adjustment for confounders and geographic location. In the subgroup analysis stratified by prostate cancer type, the pooled RR were 0·98 (95 % CI 0·94, 1·03) in the advanced group, 1·10 (95 % CI 0·98, 1·24) in the non-advanced group and 0·92 (95 % CI 0·84, 1·00) in the fatal group. In the dose–response analysis, a positive association for the risk of prostate cancer was observed for total dairy products 400 g/d (RR: 1·02; 95 % CI 1·00, 1·03), total milk 200 g/d (RR: 1·02; 95 % CI 1·01, 1·03), cheese 40 g/d (RR: 1·01; 95 % CI 1·00, 1·03) and butter 50 g/d (RR: 1·03; 95 % CI 1·01, 1·05). A decreased risk was observed for the intake of whole milk 100 g/d (RR: 0·97; 95 % CI 0·96, 0·99). Our meta-analysis suggests that high intakes of dairy products may be associated with an increased risk of prostate cancer; however, since many of the studies were affected by prostate-specific antigen (PSA) screening bias, additional studies with an adjustment of PSA screening are needed.
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14
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Evershed RP, Davey Smith G, Roffet-Salque M, Timpson A, Diekmann Y, Lyon MS, Cramp LJE, Casanova E, Smyth J, Whelton HL, Dunne J, Brychova V, Šoberl L, Gerbault P, Gillis RE, Heyd V, Johnson E, Kendall I, Manning K, Marciniak A, Outram AK, Vigne JD, Shennan S, Bevan A, Colledge S, Allason-Jones L, Amkreutz L, Anders A, Arbogast RM, Bălăşescu A, Bánffy E, Barclay A, Behrens A, Bogucki P, Carrancho Alonso Á, Carretero JM, Cavanagh N, Claßen E, Collado Giraldo H, Conrad M, Csengeri P, Czerniak L, Dębiec M, Denaire A, Domboróczki L, Donald C, Ebert J, Evans C, Francés-Negro M, Gronenborn D, Haack F, Halle M, Hamon C, Hülshoff R, Ilett M, Iriarte E, Jakucs J, Jeunesse C, Johnson M, Jones AM, Karul N, Kiosak D, Kotova N, Krause R, Kretschmer S, Krüger M, Lefranc P, Lelong O, Lenneis E, Logvin A, Lüth F, Marton T, Marley J, Mortimer R, Oosterbeek L, Oross K, Pavúk J, Pechtl J, Pétrequin P, Pollard J, Pollard R, Powlesland D, Pyzel J, Raczky P, Richardson A, Rowe P, Rowland S, Rowlandson I, Saile T, Sebők K, Schier W, Schmalfuß G, Sharapova S, Sharp H, Sheridan A, Shevnina I, Sobkowiak-Tabaka I, Stadler P, Stäuble H, Stobbe A, Stojanovski D, Tasić N, van Wijk I, Vostrovská I, Vuković J, Wolfram S, Zeeb-Lanz A, Thomas MG. Dairying, diseases and the evolution of lactase persistence in Europe. Nature 2022; 608:336-345. [PMID: 35896751 PMCID: PMC7615474 DOI: 10.1038/s41586-022-05010-7] [Citation(s) in RCA: 32] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2021] [Accepted: 06/22/2022] [Indexed: 12/22/2022]
Abstract
In European and many African, Middle Eastern and southern Asian populations, lactase persistence (LP) is the most strongly selected monogenic trait to have evolved over the past 10,000 years1. Although the selection of LP and the consumption of prehistoric milk must be linked, considerable uncertainty remains concerning their spatiotemporal configuration and specific interactions2,3. Here we provide detailed distributions of milk exploitation across Europe over the past 9,000 years using around 7,000 pottery fat residues from more than 550 archaeological sites. European milk use was widespread from the Neolithic period onwards but varied spatially and temporally in intensity. Notably, LP selection varying with levels of prehistoric milk exploitation is no better at explaining LP allele frequency trajectories than uniform selection since the Neolithic period. In the UK Biobank4,5 cohort of 500,000 contemporary Europeans, LP genotype was only weakly associated with milk consumption and did not show consistent associations with improved fitness or health indicators. This suggests that other reasons for the beneficial effects of LP should be considered for its rapid frequency increase. We propose that lactase non-persistent individuals consumed milk when it became available but, under conditions of famine and/or increased pathogen exposure, this was disadvantageous, driving LP selection in prehistoric Europe. Comparison of model likelihoods indicates that population fluctuations, settlement density and wild animal exploitation-proxies for these drivers-provide better explanations of LP selection than the extent of milk exploitation. These findings offer new perspectives on prehistoric milk exploitation and LP evolution.
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Affiliation(s)
- Richard P Evershed
- Organic Geochemistry Unit, School of Chemistry, University of Bristol, Bristol, UK.
| | - George Davey Smith
- MRC Integrative Epidemiology Unit, University of Bristol, Bristol, UK.
- Population Health Sciences, Bristol Medical School, University of Bristol, Bristol, UK.
- NIHR Bristol Biomedical Research Centre, University of Bristol, Bristol, UK.
| | | | - Adrian Timpson
- Department of Genetics, Evolution and Environment, University College London, London, UK
- Max Planck Institute for the Science of Human History, Jena, Germany
| | - Yoan Diekmann
- Department of Genetics, Evolution and Environment, University College London, London, UK
- Palaeogenetics Group, Institute of Organismic and Molecular Evolution (iomE), Johannes Gutenberg University Mainz, Mainz, Germany
| | - Matthew S Lyon
- MRC Integrative Epidemiology Unit, University of Bristol, Bristol, UK
- Population Health Sciences, Bristol Medical School, University of Bristol, Bristol, UK
- NIHR Bristol Biomedical Research Centre, University of Bristol, Bristol, UK
| | - Lucy J E Cramp
- Department of Anthropology and Archaeology, University of Bristol, Bristol, UK
| | - Emmanuelle Casanova
- Organic Geochemistry Unit, School of Chemistry, University of Bristol, Bristol, UK
| | - Jessica Smyth
- Organic Geochemistry Unit, School of Chemistry, University of Bristol, Bristol, UK
- School of Archaeology, University College Dublin, Dublin, Ireland
| | - Helen L Whelton
- Organic Geochemistry Unit, School of Chemistry, University of Bristol, Bristol, UK
| | - Julie Dunne
- Organic Geochemistry Unit, School of Chemistry, University of Bristol, Bristol, UK
| | - Veronika Brychova
- Department of Dairy, Fat and Cosmetics, University of Chemistry and Technology Prague, Prague, Czech Republic
- Nuclear Dosimetry Department, Institute of Nuclear Physics of the Czech Academy of Sciences, Prague, Czech Republic
| | - Lucija Šoberl
- Organic Geochemistry Unit, School of Chemistry, University of Bristol, Bristol, UK
| | - Pascale Gerbault
- Department of Genetics, Evolution and Environment, University College London, London, UK
- School of Life Sciences, University of Westminster, London, UK
| | - Rosalind E Gillis
- Archéozoologie, Archéobotanique: Sociétés, Pratiques et Environnement (UMR 7209), CNRS-Muséum National d'Histoire Naturelle-Sorbonne Universités, Paris, France
- ICArEHB, Faculdade de Ciências Humanas e Sociais, Universidade do Algarve, Faro, Portugal
| | - Volker Heyd
- Department of Anthropology and Archaeology, University of Bristol, Bristol, UK
- Department of Cultures, Section of Archaeology, University of Helsinki, Helsinki, Finland
| | - Emily Johnson
- Department of Archaeology, University of Exeter, Exeter, UK
- Archaeology South-East, UCL Institute of Archaeology, University College London, London, UK
| | - Iain Kendall
- Organic Geochemistry Unit, School of Chemistry, University of Bristol, Bristol, UK
| | - Katie Manning
- Department of Geography, King's College London, London, UK
| | | | - Alan K Outram
- Department of Archaeology, University of Exeter, Exeter, UK
| | - Jean-Denis Vigne
- Archéozoologie, Archéobotanique: Sociétés, Pratiques et Environnement (UMR 7209), CNRS-Muséum National d'Histoire Naturelle-Sorbonne Universités, Paris, France
| | - Stephen Shennan
- UCL Institute of Archaeology, University College London, London, UK
| | - Andrew Bevan
- UCL Institute of Archaeology, University College London, London, UK
| | - Sue Colledge
- UCL Institute of Archaeology, University College London, London, UK
| | | | - Luc Amkreutz
- National Museum of Antiquities, Leiden, the Netherlands
| | - Alexandra Anders
- Institute of Archaeological Sciences, Eötvös Loránd University, Budapest, Hungary
| | | | - Adrian Bălăşescu
- Department of Bioarchaeology, 'Vasile Pârvan' Institute of Archaeology, Romanian Academy, Bucharest, Romania
| | - Eszter Bánffy
- Institute of Archaeology, Research Centre for the Humanities, Eötvös Loránd Research Network, Centre of Excellence of the Hungarian Academy of Sciences, Budapest, Hungary
- Römisch-Germanische Kommission, Frankfurt, Germany
| | | | - Anja Behrens
- German Archaeological Institute, Berlin, Germany
| | - Peter Bogucki
- School of Engineering and Applied Science, Princeton University, Princeton, NJ, USA
| | - Ángel Carrancho Alonso
- Área de Prehistoria, Departamento de Historia, Geografía y Comunicación, University of Burgos, Burgos, Spain
| | - José Miguel Carretero
- Laboratorio Evolución Humana, University of Burgos, Burgos, Spain
- Centro Mixto UCM-ISCIII de Evolución y Comportamiento Humana, Madrid, Spain
| | | | - Erich Claßen
- LVR-State Service for Archaeological Heritage, Bonn, Germany
| | - Hipolito Collado Giraldo
- Patrimonio & Arte Research Group, Extremadura University, Badajoz and Cáceres, Badajoz, Spain
- Geosciences Centre, Coimbra University, Coimbra, Portugal
| | | | | | - Lech Czerniak
- Institute of Archaeology and Ethnology, University of Gdańsk, Gdańsk, Poland
| | - Maciej Dębiec
- Institute of Archaeology, University Rzeszów, Rzeszów, Poland
| | | | | | | | - Julia Ebert
- Institute of Prehistoric Archaeology, Free University of Berlin, Berlin, Germany
| | - Christopher Evans
- Cambridge Archaeological Unit, University of Cambridge, Cambridge, UK
| | | | - Detlef Gronenborn
- Römisch-Germanisches Zentralmuseum, Leibniz Research Institute for Archaeology, Mainz, Germany
| | - Fabian Haack
- Archaeological Department, Landesmuseum Württemberg, Stuttgart, Germany
| | | | - Caroline Hamon
- UMR 8215, Trajectoires, Université Paris 1 Panthéon-Sorbonne, Paris, France
| | - Roman Hülshoff
- State Office for Heritage Management and Archaeology, Saxony Anhalt/State Museum of Prehistory, Halle/Saale, Germany
| | - Michael Ilett
- UMR 8215, Trajectoires, Université Paris 1 Panthéon-Sorbonne, Paris, France
| | - Eneko Iriarte
- Laboratorio Evolución Humana, University of Burgos, Burgos, Spain
| | - János Jakucs
- Institute of Archaeology, Research Centre for the Humanities, Eötvös Loránd Research Network, Centre of Excellence of the Hungarian Academy of Sciences, Budapest, Hungary
| | | | | | - Andy M Jones
- Cornwall Archaeological Unit, Cornwall Council, Truro, UK
| | | | - Dmytro Kiosak
- 'I.I. Mechnikov', Odessa National University, Odessa, Ukraine
- Ca' Foscari, University of Venice, Venice, Italy
| | - Nadezhda Kotova
- Institute of Archaeology of Academy of Science of Ukraine, Kiev, Ukraine
| | - Rüdiger Krause
- Prehistory Department, Institut of Archaeology, Johann Wolfgang Goethe-Universität, Frankfurt, Germany
| | | | - Marta Krüger
- Department of Archaeology, Adam Mickiewicz University, Poznań, Poland
| | - Philippe Lefranc
- UMR 7044, INRAP Grand-Est Sud, University of Strasbourg, Strasbourg, France
| | - Olivia Lelong
- GUARD Glasgow, Glasgow, UK
- Eunomia Research & Consulting, Bristol, UK
| | - Eva Lenneis
- Department of Prehistoric and Historical Archaeology, University of Vienna, Vienna, Austria
| | | | | | - Tibor Marton
- Institute of Archaeology, Research Centre for the Humanities, Eötvös Loránd Research Network, Centre of Excellence of the Hungarian Academy of Sciences, Budapest, Hungary
| | | | | | - Luiz Oosterbeek
- Geosciences Centre, Coimbra University, Coimbra, Portugal
- Polytechnic Institute of Tomar, Tomar, Portugal
- Terra e Memória Institute, Mação, Portugal
| | - Krisztián Oross
- Institute of Archaeology, Research Centre for the Humanities, Eötvös Loránd Research Network, Centre of Excellence of the Hungarian Academy of Sciences, Budapest, Hungary
| | | | - Joachim Pechtl
- Kelten Römer Museum Manching, Manching, Germany
- Department of Archaeology, University of Innsbruck, Innsbruck, Austria
| | - Pierre Pétrequin
- MSHE C.N. Ledoux, CNRS & University of Franche-Comté, Besançon, France
| | - Joshua Pollard
- Department of Archaeology, University of Southampton, Southampton, UK
| | | | | | - Joanna Pyzel
- Institute of Archaeology and Ethnology, University of Gdańsk, Gdańsk, Poland
| | - Pál Raczky
- Institute of Archaeological Sciences, Eötvös Loránd University, Budapest, Hungary
| | | | - Peter Rowe
- Tees Archaeology, Hartlepool, UK
- North Yorkshire County Council HER, Northallerton, UK
| | | | | | - Thomas Saile
- Institute of History, University of Regensburg, Regensburg, Germany
| | - Katalin Sebők
- Institute of Archaeological Sciences, Eötvös Loránd University, Budapest, Hungary
| | - Wolfram Schier
- Institute of Prehistoric Archaeology, Free University of Berlin, Berlin, Germany
| | | | | | - Helen Sharp
- Leicestershire County Council Museums, Leicestershire, UK
| | | | | | - Iwona Sobkowiak-Tabaka
- Institute of Archaeology and Ethnology, Polish Academy of Sciences, Poznań, Poland
- Faculty of Archaeology, Adam Mickiewicz University, Poznań, Poland
| | - Peter Stadler
- Department of Prehistoric and Historical Archaeology, University of Vienna, Vienna, Austria
| | | | - Astrid Stobbe
- Prehistory Department, Institut of Archaeology, Johann Wolfgang Goethe-Universität, Frankfurt, Germany
| | - Darko Stojanovski
- Geology Department, University of Trás-os-Montes and Alto Douro, Vila Real, Portugal
- Department of Humanistic Studies, University of Ferrara, Ferrara, Italy
| | | | - Ivo van Wijk
- Faculty of Archaeology, Leiden University, Leiden, the Netherlands
| | - Ivana Vostrovská
- Institute of Archaeology and Museology, Masaryk University, Brno, Czech Republic
- Department of History, Palacký University, Olomouc, Czech Republic
| | | | | | - Andrea Zeeb-Lanz
- Generaldirektion Kulturelles Erbe Rheinland-Pfalz, Dir. Landesarchäologie, Speyer, Germany
| | - Mark G Thomas
- Department of Genetics, Evolution and Environment, University College London, London, UK.
- UCL Genetics Institute, University College London, London, UK.
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15
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Hatmal MM, Al-Hatamleh MAI, Olaimat AN, Alshaer W, Hasan H, Albakri KA, Alkhafaji E, Issa NN, Al-Holy MA, Abderrahman SM, Abdallah AM, Mohamud R. Immunomodulatory Properties of Human Breast Milk: MicroRNA Contents and Potential Epigenetic Effects. Biomedicines 2022; 10:1219. [PMID: 35740242 PMCID: PMC9219990 DOI: 10.3390/biomedicines10061219] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2022] [Revised: 05/15/2022] [Accepted: 05/17/2022] [Indexed: 02/07/2023] Open
Abstract
Infants who are exclusively breastfed in the first six months of age receive adequate nutrients, achieving optimal immune protection and growth. In addition to the known nutritional components of human breast milk (HBM), i.e., water, carbohydrates, fats and proteins, it is also a rich source of microRNAs, which impact epigenetic mechanisms. This comprehensive work presents an up-to-date overview of the immunomodulatory constituents of HBM, highlighting its content of circulating microRNAs. The epigenetic effects of HBM are discussed, especially those regulated by miRNAs. HBM contains more than 1400 microRNAs. The majority of these microRNAs originate from the lactating gland and are based on the remodeling of cells in the gland during breastfeeding. These miRNAs can affect epigenetic patterns by several mechanisms, including DNA methylation, histone modifications and RNA regulation, which could ultimately result in alterations in gene expressions. Therefore, the unique microRNA profile of HBM, including exosomal microRNAs, is implicated in the regulation of the genes responsible for a variety of immunological and physiological functions, such as FTO, INS, IGF1, NRF2, GLUT1 and FOXP3 genes. Hence, studying the HBM miRNA composition is important for improving the nutritional approaches for pregnancy and infant's early life and preventing diseases that could occur in the future. Interestingly, the composition of miRNAs in HBM is affected by multiple factors, including diet, environmental and genetic factors.
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Affiliation(s)
- Ma’mon M. Hatmal
- Department of Medical Laboratory Sciences, Faculty of Applied Medical Sciences, The Hashemite University, P.O. Box 330127, Zarqa 13133, Jordan;
| | - Mohammad A. I. Al-Hatamleh
- Department of Immunology, School of Medical Sciences, Universiti Sains Malaysia, Kubang Kerian, Kota Bharu 16150, Malaysia;
| | - Amin N. Olaimat
- Department of Clinical Nutrition and Dietetics, Faculty of Applied Medical Sciences, The Hashemite University, P.O. Box 330127, Zarqa 13133, Jordan; (A.N.O.); (M.A.A.-H.)
| | - Walhan Alshaer
- Cell Therapy Center (CTC), The University of Jordan, Amman 11942, Jordan;
| | - Hanan Hasan
- Department of Pathology, Microbiology and Forensic Medicine, School of Medicine, The University of Jordan, Amman 11942, Jordan;
| | - Khaled A. Albakri
- Faculty of Medicine, The Hashemite University, P.O. Box 330127, Zarqa 13133, Jordan;
| | - Enas Alkhafaji
- Department of Pharmaceutical Sciences, Faculty of Pharmacy, The University of Jordan, Amman 11942, Jordan;
| | - Nada N. Issa
- Department of Medical Laboratory Sciences, Faculty of Applied Medical Sciences, The Hashemite University, P.O. Box 330127, Zarqa 13133, Jordan;
| | - Murad A. Al-Holy
- Department of Clinical Nutrition and Dietetics, Faculty of Applied Medical Sciences, The Hashemite University, P.O. Box 330127, Zarqa 13133, Jordan; (A.N.O.); (M.A.A.-H.)
| | - Salim M. Abderrahman
- Department of Biology and Biotechnology, Faculty of Sciences, The Hashemite University, P.O. Box 330127, Zarqa 13133, Jordan;
| | - Atiyeh M. Abdallah
- Department of Biomedical Sciences, College of Health Sciences, QU Health, Qatar University, Doha 2713, Qatar;
| | - Rohimah Mohamud
- Department of Immunology, School of Medical Sciences, Universiti Sains Malaysia, Kubang Kerian, Kota Bharu 16150, Malaysia;
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16
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Kakkoura MG, Du H, Guo Y, Yu C, Yang L, Pei P, Chen Y, Sansome S, Chan WC, Yang X, Fan L, Lv J, Chen J, Li L, Key TJ, Chen Z. Dairy consumption and risks of total and site-specific cancers in Chinese adults: an 11-year prospective study of 0.5 million people. BMC Med 2022; 20:134. [PMID: 35513801 PMCID: PMC9074208 DOI: 10.1186/s12916-022-02330-3] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/24/2021] [Accepted: 03/10/2022] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND Previous studies of primarily Western populations have reported contrasting associations of dairy consumption with certain cancers, including a positive association with prostate cancer and inverse associations with colorectal and premenopausal breast cancers. However, there are limited data from China where cancer rates and levels of dairy consumption differ importantly from those in Western populations. METHODS The prospective China Kadoorie Biobank study recruited ~0.5 million adults from ten diverse (five urban, five rural) areas across China during 2004-2008. Consumption frequency of major food groups, including dairy products, was collected at baseline and subsequent resurveys, using a validated interviewer-administered laptop-based food frequency questionnaire. To quantify the linear association of dairy intake and cancer risk and to account for regression dilution bias, the mean usual consumption amount for each baseline group was estimated via combining the consumption level at both baseline and the second resurvey. During a mean follow-up of 10.8 (SD 2.0) years, 29,277 incident cancer cases were recorded among the 510,146 participants who were free of cancer at baseline. Cox regression analyses for incident cancers associated with usual dairy intake were stratified by age-at-risk, sex and region and adjusted for cancer family history, education, income, alcohol intake, smoking, physical activity, soy and fresh fruit intake, and body mass index. RESULTS Overall, 20.4% of participants reported consuming dairy products (mainly milk) regularly (i.e. ≥1 day/week), with the estimated mean consumption of 80.8 g/day among regular consumers and of 37.9 g/day among all participants. There were significant positive associations of dairy consumption with risks of total and certain site-specific cancers, with adjusted HRs per 50 g/day usual consumption being 1.07 (95% CI 1.04-1.10), 1.12 (1.02-1.22), 1.19 (1.01-1.41) and 1.17 (1.07-1.29) for total cancer, liver cancer (n = 3191), female breast cancer (n = 2582) and lymphoma (n=915), respectively. However, the association with lymphoma was not statistically significant after correcting for multiple testing. No significant associations were observed for colorectal cancer (n = 3350, 1.08 [1.00-1.17]) or other site-specific cancers. CONCLUSION Among Chinese adults who had relatively lower dairy consumption than Western populations, higher dairy intake was associated with higher risks of liver cancer, female breast cancer and, possibly, lymphoma.
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Affiliation(s)
- Maria G Kakkoura
- Clinical Trial Service Unit and Epidemiological Studies Unit (CTSU), Nuffield Department of Population Health, University of Oxford, Oxford, UK
| | - Huaidong Du
- Clinical Trial Service Unit and Epidemiological Studies Unit (CTSU), Nuffield Department of Population Health, University of Oxford, Oxford, UK.
- Medical Research Council Population Health Research Unit (MRC PHRU), Nuffield Department of Population Health, University of Oxford, Oxford, UK.
| | - Yu Guo
- Fuwai Hospital Chinese Academy of Medical Sciences, National Center for Cardiovascular Diseases, Beijing, China
| | - Canqing Yu
- Department of Epidemiology and Biostatistics, School of Public Health, Peking University, Beijing, China
| | - Ling Yang
- Clinical Trial Service Unit and Epidemiological Studies Unit (CTSU), Nuffield Department of Population Health, University of Oxford, Oxford, UK
- Medical Research Council Population Health Research Unit (MRC PHRU), Nuffield Department of Population Health, University of Oxford, Oxford, UK
| | - Pei Pei
- Chinese Academy of Medical Sciences, Beijing, China
| | - Yiping Chen
- Clinical Trial Service Unit and Epidemiological Studies Unit (CTSU), Nuffield Department of Population Health, University of Oxford, Oxford, UK
- Medical Research Council Population Health Research Unit (MRC PHRU), Nuffield Department of Population Health, University of Oxford, Oxford, UK
| | - Sam Sansome
- Clinical Trial Service Unit and Epidemiological Studies Unit (CTSU), Nuffield Department of Population Health, University of Oxford, Oxford, UK
| | - Wing Ching Chan
- Clinical Trial Service Unit and Epidemiological Studies Unit (CTSU), Nuffield Department of Population Health, University of Oxford, Oxford, UK
| | - Xiaoming Yang
- Clinical Trial Service Unit and Epidemiological Studies Unit (CTSU), Nuffield Department of Population Health, University of Oxford, Oxford, UK
| | - Lei Fan
- NCDs Prevention and Control Department, Henan CDC, Zhengzhou, China
| | - Jun Lv
- Department of Epidemiology and Biostatistics, School of Public Health, Peking University, Beijing, China
| | - Junshi Chen
- China National Center for Food Safety Risk Assessment, Beijing, China
| | - Liming Li
- Department of Epidemiology and Biostatistics, School of Public Health, Peking University, Beijing, China
| | - Timothy J Key
- Cancer Epidemiology Unit (CEU), Nuffield Department of Population Health, University of Oxford, Oxford, UK
| | - Zhengming Chen
- Clinical Trial Service Unit and Epidemiological Studies Unit (CTSU), Nuffield Department of Population Health, University of Oxford, Oxford, UK.
- Medical Research Council Population Health Research Unit (MRC PHRU), Nuffield Department of Population Health, University of Oxford, Oxford, UK.
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17
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Consumption of dairy products and odds of breast cancer: an Iranian case-control study. Breast Cancer 2022; 29:352-360. [PMID: 35083630 DOI: 10.1007/s12282-021-01317-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2021] [Accepted: 11/23/2021] [Indexed: 12/09/2022]
Abstract
BACKGROUND Data on the link between total and individual dairy product consumption and risk of breast cancer are controversial, especially in Middle Eastern populations. OBJECTIVE This study aimed to evaluate the association between total and individual dairy product consumption and odds of breast cancer among Iranian women. METHODS In the context of a population-based case-control study on 350 patients with pathologically confirmed cases of breast cancer and 700 age-matched controls, we assessed dietary intakes using a 106-item semi-quantitative dish-based food frequency questionnaire. Consumption of low- and high-fat dairy products as well as dietary intakes of pasteurized milk, cheese and yogurt were computed. RESULTS Mean (± SD) age and BMI of study participants was 62.4 ± 10.8 y and 24.3 ± 5.2 kg/m2, respectively. After controlling for potential covariates, individuals in the top quartile of low-fat dairy product intake were less likely to have breast cancer than those in the bottom quartile (OR 0.08; 95% CI 0.05-0.16), while those with the highest intake of high-fat dairy intake had greater odds for breast cancer than those with the lowest intake (OR 8.62; 95% CI 4.78-15.55). Despite lack of a significant association between yogurt and cheese consumption and odds of breast cancer, we found a positive association between total milk intake (OR 1.76; 95% CI 1.16-2.65) and breast cancer, after controlling for potential confounders. CONCLUSION Low-fat dairy intake was inversely and high-fat dairy consumption was positively associated with breast cancer. No significant association was found between yogurt and cheese consumption and breast cancer, while total milk intake was associated with a greater odds of breast cancer.
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Jin S, Je Y. Dairy Consumption and Total Cancer and Cancer-Specific Mortality: A Meta-Analysis of Prospective Cohort Studies. Adv Nutr 2021; 13:1063-1082. [PMID: 34788365 PMCID: PMC9340963 DOI: 10.1093/advances/nmab135] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2021] [Revised: 10/13/2021] [Accepted: 11/05/2021] [Indexed: 11/12/2022] Open
Abstract
The association between dairy consumption and cancer mortality varies among studies and remains unclear. Thus, we conducted a comprehensive meta-analysis of prospective cohort studies to examine the association between dairy consumption and total cancer and cancer-specific mortality. We sought eligible studies in PubMed and Web of Science databases for all publications through March 2021, and pooled RRs and 95% CIs were calculated. We identified 34 prospective cohort studies including 3,171,186 participants and 88,545 deaths. Compared with low milk consumption, high milk consumption was associated with higher cancer mortality in females (RR: 1.10; 95% CI: 1.01, 1.21) and people consuming high/whole-fat milk (fat content ≥3.5%) (RR: 1.17; 95% CI: 1.07, 1.28). Increased risks of cancer-specific mortality were detected for liver (RR: 1.13; 95% CI: 1.02, 1.26), ovarian (RR: 1.32; 95% CI: 1.13, 1.55), and prostate (RR: 1.23; 95% CI: 1.02, 1.48) cancers. Also, females with high consumption of fermented milk had a lower cancer mortality risk (RR: 0.85; 95% CI: 0.77, 0.94). High cheese consumption was not associated with total cancer mortality but rather with higher colorectal cancer mortality (RR: 1.22; 95% CI: 1.02, 1.46). There was no association between butter (RR: 1.06; 95% CI: 0.70, 1.59) or total dairy product consumption (RR: 0.99; 95% CI: 0.95, 1.03) and cancer mortality. Our results imply that high milk consumption, especially high/whole-fat milk, was associated with higher cancer mortality, whereas fermented milk consumption was associated with lower cancer mortality, and this was particularly evident in females. Consequently, further studies are warranted.
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Affiliation(s)
- Shaoyue Jin
- Department of Food and Nutrition, Kyung Hee University, Seoul, South Korea
| | - Youjin Je
- Address correspondence to YJ (e-mail: )
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19
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Simonov M, Vlizlo V, Stybel V, Peleno R, Salata V, Matviishyn T, Кhimych M, Gorobei O. Levels of insulin-like growth factor in bovine, goat, and sheep milk in different lactation periods: The etiological factor of cancer in humans. INTERNATIONAL JOURNAL OF ONE HEALTH 2021. [DOI: 10.14202/ijoh.2021.246-250] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Background and Aim: Despite the positive aspects of consuming dairy products, there are also some reservations. Recently, a large number of publications have demonstrated convincing evidence of a relationship between the intake of dairy products and the development of cancer in humans. This study aimed to determine the level of insulin-like growth factor [IGF], which can cause cancer in consumers, in the milk of farm animals (cows, goats, and sheep) obtained at different stages of lactation.
Materials and Methods: Enzyme-linked immunosorbent assay and statistical method were used for data processing. The IGF level in milk was determined using an enzyme-linked immunosorbent assay. Milk was collected from cows of Holstein and Ukrainian Black-and-White dairy breed, goats of Alpine and Saanen breed, and sheep of Tsigai and East Friesian breed. Milk samples in cows were collected at the beginning, on the peak, and at the end of lactation.
Results: The obtained results showed that the highest IGF level was detected in milk obtained at the beginning of lactation, but its level depended on the animal species. More specifically, the highest level of the hormone was typical for goat's milk and for cow's milk of Holstein breed. Slightly lower values were revealed in the milk of cows of Black-and-White Ukrainian breed and sheep. During lactation, the absolute content of IGF in the milk of all studied animal species decreased. It should be noted that the most pronounced decrease in the IGF level in milk during lactation was noted in sheep (25-40 times), and minor changes were observed in goats (12-14 times). The results also showed that there were individual variations in the IGF level in milk in farm animals.
Conclusion: The highest IGF level was noted in goat's milk, and the lowest level was observed in sheep's milk. Cow's milk, in this regard, had an intermediate IGF level. The level of this particular hormone depends on the period of lactation and the individual characteristics of the animal. It is advisable to include IGF as one of the assessment factors of dairy products' safety because this hormone can cause cancer in consumers of milk and dairy products.
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Affiliation(s)
- Marian Simonov
- Faculty of Social Development and Health, Stepan Gzhytskyi National University of Veterinary Medicine and Biotechnologies Lviv, Lviv, Ukraine
| | - Vasyl Vlizlo
- Faculty of Veterinary Medicine, Stepan Gzhytskyi National University of Veterinary Medicine and Biotechnologies Lviv, Lviv, Ukraine
| | - Volodymyr Stybel
- Faculty of Veterinary Medicine, Stepan Gzhytskyi National University of Veterinary Medicine and Biotechnologies Lviv, Lviv, Ukraine
| | - Ruslan Peleno
- Faculty of Veterinary Medicine, Stepan Gzhytskyi National University of Veterinary Medicine and Biotechnologies Lviv, Lviv, Ukraine
| | - Volodymyr Salata
- Faculty of Social Development and Health, Stepan Gzhytskyi National University of Veterinary Medicine and Biotechnologies Lviv, Lviv, Ukraine
| | - Taras Matviishyn
- Faculty of Social Development and Health, Stepan Gzhytskyi National University of Veterinary Medicine and Biotechnologies Lviv, Lviv, Ukraine
| | - Mariia Кhimych
- Faculty of Veterinary Medicine, Odesa State Agrarian University, Odesa, Ukraine
| | - Oleksii Gorobei
- Faculty of Veterinary Medicine, Odesa State Agrarian University, Odesa, Ukraine
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20
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Jiang L, Gong TT, Gao S, Li XQ, Liu FH, Wen ZY, Wei YF, Yan S, Hou R, Wu QJ. Pre-diagnosis Dairy Product Intake and Ovarian Cancer Mortality: Results From the Ovarian Cancer Follow-Up Study (OOPS). Front Nutr 2021; 8:750801. [PMID: 34778342 PMCID: PMC8586538 DOI: 10.3389/fnut.2021.750801] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2021] [Accepted: 10/05/2021] [Indexed: 12/27/2022] Open
Abstract
Background: Dairy product consumption is associated with ovarian cancer (OC) incidence. However, limited evidence is available on its influence on OC mortality. Methods: The association between pre-diagnostic dairy product intake and OC mortality was investigated in the OC follow-up study, which included a hospital-based cohort (n = 853) of women diagnosed with epithelial OC between 2015 and 2020. Pre-diagnosis diet information was collected using a validated food frequency questionnaire. Deaths were ascertained up to March 31, 2021 via death registry linkage. Cox proportional hazards model was used to estimate the adjusted hazard ratio (HR) and 95% confidence interval (CI) for the aforementioned association. Results: A total of 130 women died during the median follow-up of 37.2 months (interquartile: 24.7–50.2 months). Comparisons of highest to lowest tertile intake showed that pre-diagnosis dairy product use was associated with total OC mortality (HR = 2.03, 95% CI = 1.21–3.40, p trend = 0.06). In addition, short survival was separately associated with protein (HR = 2.09, 95% CI = 1.25–3.49, p trend < 0.05), fat (HR = 2.16, 95% CI = 1.30–3.61, p trend < 0.05), and calcium (HR = 2.03, 95% CI = 1.21–3.4, p trend = 0.06) from dairy intake. Similar positive magnitudes were observed for menopausal status, residual lesions, histological type, and body mass index, although not all of these factors showed statistical significance. Conclusion: Pre-diagnosis dairy product consumption, including protein, fat, and calcium from dairy intake, was associated with higher mortality among OC survivors.
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Affiliation(s)
- Luo Jiang
- Department of Ultrasound, Shengjing Hospital of China Medical University, Shenyang, China
| | - Ting-Ting Gong
- Department of Obstetrics and Gynecology, Shengjing Hospital of China Medical University, Shenyang, China
| | - Song Gao
- Department of Obstetrics and Gynecology, Shengjing Hospital of China Medical University, Shenyang, China
| | - Xiu-Qin Li
- Department of Obstetrics and Gynecology, Shengjing Hospital of China Medical University, Shenyang, China
| | - Fang-Hua Liu
- Department of Clinical Epidemiology, Shengjing Hospital of China Medical University, Shenyang, China.,Clinical Research Center, Shengjing Hospital of China Medical University, Shenyang, China
| | - Zhao-Yan Wen
- Department of Clinical Epidemiology, Shengjing Hospital of China Medical University, Shenyang, China.,Clinical Research Center, Shengjing Hospital of China Medical University, Shenyang, China
| | - Yi-Fan Wei
- Department of Clinical Epidemiology, Shengjing Hospital of China Medical University, Shenyang, China.,Clinical Research Center, Shengjing Hospital of China Medical University, Shenyang, China
| | - Shi Yan
- Department of Clinical Epidemiology, Shengjing Hospital of China Medical University, Shenyang, China.,Clinical Research Center, Shengjing Hospital of China Medical University, Shenyang, China
| | - Rui Hou
- Department of Obstetrics and Gynecology, Shengjing Hospital of China Medical University, Shenyang, China
| | - Qi-Jun Wu
- Department of Clinical Epidemiology, Shengjing Hospital of China Medical University, Shenyang, China.,Clinical Research Center, Shengjing Hospital of China Medical University, Shenyang, China
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21
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Yuan S, Larsson SC. Genetically predicted insulin-like growth factor-I in relation to muscle mass and strength. Clin Endocrinol (Oxf) 2021; 95:800-805. [PMID: 34293202 DOI: 10.1111/cen.14561] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/21/2021] [Revised: 07/06/2021] [Accepted: 07/11/2021] [Indexed: 02/06/2023]
Abstract
OBJECTIVE Insulin-like growth factor I (IGF-I) has been associated with muscle status in animal- and population-based studies. We conducted a Mendelian randomisation study to assess the causality of the associations of IGF-I with muscle strength and mass. DESIGN AND PATIENTS Genetic variants associated with serum IGF-I at genome-wide significance in the UK Biobank study (358,072 individuals of European descent) were selected as instrumental variables. Summary-level data on the associations of those variants with muscle weakness (low-grip strength) and muscle mass (fat-free body mass) were available from a meta-analysis of 22 genome-wide association studies including 46,596 cases and 209,927 noncases and genome-wide association analysis in 155,961 individuals from the UK Biobank study, respectively. The univariable and multivariable inverse-variance weighted methods were used. RESULTS Higher genetically predicted IGF-I levels were associated with a reduced risk of muscle weakness and increased muscle mass. For one standard deviation increase in genetically predicted IGF-I levels, the odds ratio was 0.92 (95% confidence interval [CI], 0.88, 0.97; p = .001) for muscle weakness and the change was 0.53 (95% CI: 0.28, 0.79; p < .001) kg for muscle mass. In the multivariable model with adjustment for genetically predicted height, the associations were attenuated but persisted for both muscle weakness (odds ratio: 0.95, 95% CI: 0.91, 0.99; p = .015) and muscle mass (change: 0.25, 95% CI: 0.10, 0.40; p = .001). CONCLUSION This study suggests that high IGF-I levels may decrease the risk of muscle weakness and loss.
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Affiliation(s)
- Shuai Yuan
- Unit of Cardiovascular and Nutritional Epidemiology, Institute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden
| | - Susanna C Larsson
- Unit of Cardiovascular and Nutritional Epidemiology, Institute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden
- Unit of Medical Epidemiology, Department of Surgical Sciences, Uppsala University, Uppsala, Sweden
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22
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Mikami K, Ozasa K, Miki T, Watanabe Y, Mori M, Kubo T, Suzuki K, Wakai K, Nakao M, Tamakoshi A. Dairy products and the risk of developing prostate cancer: A large-scale cohort study (JACC Study) in Japan. Cancer Med 2021; 10:7298-7307. [PMID: 34606688 PMCID: PMC8525158 DOI: 10.1002/cam4.4233] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2021] [Revised: 07/23/2021] [Accepted: 08/08/2021] [Indexed: 11/28/2022] Open
Abstract
Dairy products have been indicated as a risk factor for prostate cancer. However, only a few epidemiological studies have reported dairy products as being a risk factor for prostate cancer in Japan, reporting contradictory results. We therefore investigated the association between the intake of dairy products and the occurrence of prostate cancer through a large‐scale cohort study. The Japan Collaborative Cohort study analyzed approximately 110,000 residents from various Japanese districts who participated in our questionnaire survey during 1988–1990. The subjects of the present study were 26,464 men (age range: 40–79 years) from 24 districts wherein cancer incidence was reported. Their clinical course was followed up until 2009. Hazard ratios (HRs) were calculated using Cox's proportional hazards model, adjusted for age, survey area, family history of prostate cancer, body mass index, and total energy intake. For diet, we calculated the HRs associated with intermediate and high consumption of dairy products and compared them with those associated with low consumption. There were 412 cases of prostate cancer in the survey population. As dairy products, milk, yogurt, cheese, and butter were evaluated. Among them, milk consumption was associated with a significant risk (HR = 1.37, p = 0.009) and a dose‐dependent response (p for trend = 0.009) adjusted for age and family history of prostate cancer, stratified by area. Milk and yogurt consumption showed a significantly positive risk and a dose–response relationship adjusted for age, family history of prostate cancer, body mass index, and total energy intake, stratified by area. In summary, a high intake of dairy products such as milk increased the risk of developing prostate cancer in Japanese men.
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Affiliation(s)
- Kazuya Mikami
- Department of Urology, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kyoto, Japan.,Department of Urology, Japanese Red Cross Kyoto Daiichi Hospital, Kyoto, Japan
| | - Kotaro Ozasa
- Department of Epidemiology for Community Health and Medicine, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kyoto, Japan.,Department of Epidemiology, Radiation Effects Research Foundation, Hiroshima, Japan
| | - Tsuneharu Miki
- Department of Urology, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kyoto, Japan
| | - Yoshiyuki Watanabe
- Department of Epidemiology for Community Health and Medicine, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kyoto, Japan
| | - Mitsuru Mori
- Department of Public Health, Sapporo Medical University School of Medicine, Sapporo, Japan
| | - Tatsuhiko Kubo
- Department of Public Health and Health Policy, Graduate School of Biomedical and Health Sciences, Hiroshima University, Hiroshima, Japan
| | - Koji Suzuki
- Department of Preventive Medical Sciences, Fujita Health University School of Medical Sciences, Toyoake, Japan
| | - Kenji Wakai
- Department of Preventive Medicine/ Biostatistics and Medical Decision Making, Nagoya University Graduate School of Medicine, Nagoya, Japan
| | - Masahiro Nakao
- Department of Urology, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kyoto, Japan
| | - Akiko Tamakoshi
- Department of Public Health, Hokkaido University Graduate School of Medicine, Sapporo, Japan
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23
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Grenov B, Larnkjær A, Ritz C, Michaelsen KF, Damsgaard CT, Mølgaard C. The effect of milk and rapeseed protein on growth factors in 7-8 year-old healthy children - A randomized controlled trial. Growth Horm IGF Res 2021; 60-61:101418. [PMID: 34333391 DOI: 10.1016/j.ghir.2021.101418] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/23/2021] [Accepted: 07/18/2021] [Indexed: 10/20/2022]
Abstract
OBJECTIVE Milk protein may stimulate linear growth through insulin-like growth factor-1 (IGF-1). However, the effect of plant proteins on growth factors is largely unknown. This study assesses the effect of combinations of milk and rapeseed protein versus milk protein alone on growth factors in children. DESIGN An exploratory 3-armed randomized, double-blind, controlled trial was conducted in 129 healthy 7-8 year-old Danish children. Children received 35 g milk and rapeseed protein (ratio 54:46 or 30:70) or 35 g milk protein per day for 4 weeks. The primary outcome was difference in IGF-1 changes between intervention groups after 4 weeks. Secondary outcomes included changes in IGF-1 after 1 week and changes in insulin-like growth factor binding protein-3 (IGFBP-3), IGF-1/IGFBP-3, insulin, height, weight and body composition after 1 and 4 weeks. Results were analysed by multiple linear mixed-effect models. RESULTS There were no differences in changes of plasma IGF-1, insulin-like growth factor binding protein-3 (IGFBP-3), IGF-1/IGFBP-3 ratio or insulin between groups after 1 or 4 weeks based on 89 complete cases (P > 0.10). IGF-1 increased by 13.7 (95% CI 9.7;17.7) ng/mL and 18.0 (14.0;22.0) ng/mL from baseline to week 1 and 4, respectively, a 16% increase during the intervention. Similarly, insulin increased by 31% (14; 50) and 33% (16; 53) from baseline to week 1 and 4. Fat-free mass index (FFMI) increments were higher with milk alone than rapeseed blends (P < 0.05), coinciding with a trend towards a lower height increment. Body mass index increased within all groups (P < 0.05), mainly due to an increase in FFMI (P < 0.01). CONCLUSION There were no differences in changes of growth factors between the combinations of milk and rapeseed protein and milk protein alone in healthy, well-nourished children with a habitual intake of milk. Within groups, growth factors increased considerably. Future studies are needed to investigate how intakes of plant and animal proteins affect childhood growth.
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Affiliation(s)
- Benedikte Grenov
- Department of Nutrition, Exercise and Sports, University of Copenhagen, Frederiksberg C, Denmark.
| | - Anni Larnkjær
- Department of Nutrition, Exercise and Sports, University of Copenhagen, Frederiksberg C, Denmark.
| | - Christian Ritz
- Department of Nutrition, Exercise and Sports, University of Copenhagen, Frederiksberg C, Denmark.
| | - Kim F Michaelsen
- Department of Nutrition, Exercise and Sports, University of Copenhagen, Frederiksberg C, Denmark.
| | - Camilla T Damsgaard
- Department of Nutrition, Exercise and Sports, University of Copenhagen, Frederiksberg C, Denmark.
| | - Christian Mølgaard
- Department of Nutrition, Exercise and Sports, University of Copenhagen, Frederiksberg C, Denmark.
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24
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Wehbe Z, Kreydiyyeh S. Cow's milk may be delivering potentially harmful undetected cargoes to humans. Is it time to reconsider dairy recommendations? Nutr Rev 2021; 80:874-888. [PMID: 34338770 DOI: 10.1093/nutrit/nuab046] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Mammalian evolution has shaped milk into a species-specific vehicle for post-natal development, continuing what began within the mother's womb. Increased consumption of the mother's breast milk is associated with the most adequate metabolic programming and lowers the incidence of the diseases of civilization during adulthood. An abundance of short sequences of RNA, known as microRNA, exists in mammalian breast milk, enclosed within robust small extracellular vesicles known as exosomes. These microRNAs can epigenetically regulate over 60% of human genes. When cow's milk is consumed by humans, the bovine exosomes are transported through the gastrointestinal tract, detected intact in the blood stream, and taken up by target cells, where they alter protein expression. The aim of this review was to highlight the role of dairy exosomes and microRNA, and of the type of dairy product consumed, in human diseases. Given that microRNAs are involved in a vast array of physiological processes and associated with several diseases, perhaps caution should be practiced with regard to human consumption of dairy, particularly for individuals within developmentally critical time frames, such as pregnant and lactating mothers, and young children.
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Affiliation(s)
- Zena Wehbe
- Z. Wehbe and S. Kreydiyyeh are with the Department of Biology, Faculty of Arts and Sciences, American University of Beirut, Beirut, Lebanon
| | - Sawsan Kreydiyyeh
- Z. Wehbe and S. Kreydiyyeh are with the Department of Biology, Faculty of Arts and Sciences, American University of Beirut, Beirut, Lebanon
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25
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Ren J, Qin L, Li X, Zhao R, Wu Z, Ma Y. Effect of dietary sodium restriction on blood pressure in type 2 diabetes: A meta-analysis of randomized controlled trials. Nutr Metab Cardiovasc Dis 2021; 31:1653-1661. [PMID: 33838996 DOI: 10.1016/j.numecd.2021.02.019] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/22/2020] [Revised: 02/17/2021] [Accepted: 02/19/2021] [Indexed: 10/22/2022]
Abstract
AIMS Although current guidelines recommend reduction of salt intake in patients with diabetes, the benefits of reducing salt intake in people with type 2 diabetes mellitus (T2DM) lack clear evidence. Therefore, we performed a meta-analysis of available randomized controlled trials (RCTs) of sodium restriction and blood pressure (BP) in patients with T2DM. DATA SYNTHESIS We performed a systematic search of the online databases that evaluated the effect of dietary sodium restriction on BP in patients with T2DM. Sodium intake was expressed by 24 h urinary sodium excretion (UNaV). Q statistics and I2 were used to explore between-study heterogeneity. A random-effects model was used in the presence of significant heterogeneity; otherwise, a fixed-effects model was applied. Eight RCTs with 10 trials (7 cross-over and 3 parallel designs) were included in the meta-analysis. Compared with ordinary sodium intake, dietary sodium restriction significantly decreased UNaV (weighted mean difference, WMD: -38.430 mmol/24 h; 95% CI: -41.665 mmol/24 h to -35.194 mmol/24 h). Sodium restriction significantly lowered systolic BP (WMD: -5.574 mm Hg; 95% CI: -8.314 to -2.834 mm Hg; I2 = 0.0%) and diastolic BP (WMD: -1.675 mm Hg; 95% CI: -3.199 to -0.150 mm Hg; I2 = 0.0%) with low heterogeneity among the studies. No publication bias was found from Begg's and Egger's tests. CONCLUSIONS Sodium restriction significantly reduces SBP and DBP in patients with T2DM.
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Affiliation(s)
- Jingyi Ren
- Department of Nutrition and Food Hygiene, School of Public Health, Hebei Medical University, Hebei Province Key Laboratory of Environment and Human Health, Shijiazhuang, China
| | - Liqiang Qin
- Department of Nutrition and Food Hygiene, School of Public Health, Soochow University, Suzhou, China
| | - Xiang Li
- Undergraduate of College of Public Health, Hebei Medical University, Shijiazhuang, China
| | - Ran Zhao
- Undergraduate of College of Basic Medicine, Hebei Medical University, Shijiazhuang, China
| | - Zhixing Wu
- Undergraduate of College of Basic Medicine, Hebei Medical University, Shijiazhuang, China
| | - Yuxia Ma
- Department of Nutrition and Food Hygiene, School of Public Health, Hebei Medical University, Hebei Province Key Laboratory of Environment and Human Health, Shijiazhuang, China.
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Abstract
This review provides epidemiological and translational evidence for milk and dairy intake as critical risk factors in the pathogenesis of hepatocellular carcinoma (HCC). Large epidemiological studies in the United States and Europe identified total dairy, milk and butter intake with the exception of yogurt as independent risk factors of HCC. Enhanced activity of mechanistic target of rapamycin complex 1 (mTORC1) is a hallmark of HCC promoted by hepatitis B virus (HBV) and hepatitis C virus (HCV). mTORC1 is also activated by milk protein-induced synthesis of hepatic insulin-like growth factor 1 (IGF-1) and branched-chain amino acids (BCAAs), abundant constituents of milk proteins. Over the last decades, annual milk protein-derived BCAA intake increased 3 to 5 times in Western countries. In synergy with HBV- and HCV-induced secretion of hepatocyte-derived exosomes enriched in microRNA-21 (miR-21) and miR-155, exosomes of pasteurized milk as well deliver these oncogenic miRs to the human liver. Thus, milk exosomes operate in a comparable fashion to HBV- or HCV- induced exosomes. Milk-derived miRs synergistically enhance IGF-1-AKT-mTORC1 signaling and promote mTORC1-dependent translation, a meaningful mechanism during the postnatal growth phase, but a long-term adverse effect promoting the development of HCC. Both, dietary BCAA abundance combined with oncogenic milk exosome exposure persistently overstimulate hepatic mTORC1. Chronic alcohol consumption as well as type 2 diabetes mellitus (T2DM), two HCC-related conditions, increase BCAA plasma levels. In HCC, mTORC1 is further hyperactivated due to RAB1 mutations as well as impaired hepatic BCAA catabolism, a metabolic hallmark of T2DM. The potential HCC-preventive effect of yogurt may be caused by lactobacilli-mediated degradation of BCAAs, inhibition of branched-chain α-ketoacid dehydrogenase kinase via production of intestinal medium-chain fatty acids as well as degradation of milk exosomes including their oncogenic miRs. A restriction of total animal protein intake realized by a vegetable-based diet is recommended for the prevention of HCC.
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Affiliation(s)
- Bodo C Melnik
- Department of Dermatology, Environmental Medicine and Health Theory, University of Osnabrück, Osnabrück, Germany
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27
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Yuan S, Wan ZH, Cheng SL, Michaëlsson K, Larsson SC. Insulin-like Growth Factor-1, Bone Mineral Density, and Fracture: A Mendelian Randomization Study. J Clin Endocrinol Metab 2021; 106:e1552-e1558. [PMID: 33462619 PMCID: PMC7993594 DOI: 10.1210/clinem/dgaa963] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/24/2020] [Indexed: 12/14/2022]
Abstract
CONTEXT The associations of circulating insulin-like growth factor-1 (IGF-1) levels with bone mineral density and fracture risk are inconclusive in observational studies. OBJECTIVE We conducted a mendelian randomization study to assess the associations of serum IGF-1 levels with estimated bone mineral density (eBMD) and fracture. METHODS Genetic instruments for IGF-1 were selected at the genome-wide significance level (P < 5 × 10-8) from a genome-wide association study including 358 072 individuals of European ancestry. Summary-level data for eBMD (426 824 individuals) and fracture (53 184 fracture cases and 373 611 noncases) were obtained from the UK Biobank study. Univariable and multivariable mendelian randomization analyses methods were used to estimate the associations of IGF-1 with eBMD and fracture. The main outcome measure included the change of eBMD and odds ratio of fracture per genetically predicted 1-SD increase of serum IGF-1 levels. RESULTS For 1-SD increase in IGF-1, the change of eBMD levels was 0.04 g/cm2 (95% CI, 0.01-0.07; P = .011) and the odds ratio of fracture was 0.94 (95% CI, 0.91-0.98; P = .003). The associations persisted with similar magnitude after adjustment for height. The association was consistent for fracture but not for eBMD after excluding genetic instruments that might directly influence these outcomes. The association between IGF-1 and fracture was somewhat attenuated after adjustment for eBMD (odds ratio 0.96; 95% CI, 0.92-0.99; P = .012). CONCLUSION The present study supports a role for IGF-1 in preventing fracture, possibly and partly mediated by greater bone mineral density.
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Affiliation(s)
- Shuai Yuan
- Unit of Cardiovascular and Nutritional Epidemiology, Institute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden
| | - Zi-Hao Wan
- Department of Orthopaedics and Traumatology, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong, China
| | - Shi-Le Cheng
- Department of Orthopedic Surgery, Renmin Hospital, Wuhan University, Wuhan, China
| | - Karl Michaëlsson
- Unit of Medical Epidemiology, Department of Surgical Sciences, Uppsala University, Uppsala, Sweden
| | - Susanna C Larsson
- Unit of Cardiovascular and Nutritional Epidemiology, Institute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden
- Unit of Medical Epidemiology, Department of Surgical Sciences, Uppsala University, Uppsala, Sweden
- Correspondence: Susanna C. Larsson, PhD, Department of Surgical Sciences, Uppsala University, Dag Hammarskjölds väg 14 B, 75185 Uppsala, Sweden.
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Go G, Jeon J, Lee G, Lee JH, Lee SH. Bovine milk extracellular vesicles induce the proliferation and differentiation of osteoblasts and promote osteogenesis in rats. J Food Biochem 2021; 45:e13705. [PMID: 33748986 DOI: 10.1111/jfbc.13705] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2020] [Revised: 02/19/2021] [Accepted: 03/05/2021] [Indexed: 12/20/2022]
Abstract
Bone is constantly balanced between the formation of new bone by osteoblasts and the absorption of old bone by osteoclasts. To promote bone growth and improve bone health, it is necessary to promote the proliferation and differentiation of osteoblasts. Although bovine milk is known to exert a beneficial effect on bone formation, the study on the effect of bovine milk extracellular vesicles (EVs) on osteogenesis in osteoblasts is limited. In this study, we demonstrated that bovine milk EVs promoted the proliferation of human osteogenic Saos-2 cells by increasing the expression of cell cycle-related proteins. In addition, bovine milk EVs also induced the differentiation of Saos-2 cells by increasing the expression of RUNX2 and Osterix which are key transcription factors for osteoblast differentiation. Oral administration of milk EVs did not cause toxicity in Sprague-Dawley rats. Furthermore, milk EVs promoted longitudinal bone growth and increased the bone mineral density of the tibia. Our findings suggest that milk EVs could be a safe and powerful applicant for enhancing osteogenesis. PRACTICAL APPLICATIONS: Until now, calcium and vitamin D have been prescribed to promote bone formation or to prevent bone diseases such as osteoporosis. Recently, several studies to find bioactive molecules that regulate cellular functions of osteoblasts or osteoclasts are actively underway. Milk basic proteins and lactoferrin present in milk are known to promote bone formation, but they exist in small quantities and the isolation of these proteins is complicated making mass production difficult. Recently, it has been found that milk contains large quantities of EVs, and that they promote bone formation. Studies on the effect of Milk EVs on osteoblasts during osteogenesis will help in the development of biomaterials for osteogenesis.
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Affiliation(s)
- Gyeongyun Go
- Department of Biochemistry, Soonchunhyang University College of Medicine, Cheonan, Republic of Korea.,Department of Biochemistry, BK21FOUR Project2, College of Medicine, Soonchunhyang University, Cheonan, Republic of Korea
| | | | - Gaeun Lee
- Department of Biochemistry, Soonchunhyang University College of Medicine, Cheonan, Republic of Korea.,Department of Biochemistry, BK21FOUR Project2, College of Medicine, Soonchunhyang University, Cheonan, Republic of Korea
| | - Jun Hee Lee
- Institute of Tissue Regeneration Engineering (ITREN), Dankook University, Cheonan, Republic of Korea.,Department of Nanobiomedical Science and BK21 PLUS NBM Global Research Center for Regenerative Medicine, Dankook University, Cheonan, Republic of Korea.,Department of Oral Anatomy, College of Dentistry, Dankook University, Cheonan, Republic of Korea.,Cell & Matter Institute, Dankook University, Cheonan, Republic of Korea
| | - Sang Hun Lee
- Department of Biochemistry, Soonchunhyang University College of Medicine, Cheonan, Republic of Korea.,Department of Biochemistry, BK21FOUR Project2, College of Medicine, Soonchunhyang University, Cheonan, Republic of Korea.,Stembio, Ltd, Asan, Republic of Korea.,Medical Science Research Institute, Soonchunhyang University Seoul Hospital, Seoul, Republic of Korea
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29
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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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30
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Melnik BC. Synergistic Effects of Milk-Derived Exosomes and Galactose on α-Synuclein Pathology in Parkinson's Disease and Type 2 Diabetes Mellitus. Int J Mol Sci 2021; 22:1059. [PMID: 33494388 PMCID: PMC7865729 DOI: 10.3390/ijms22031059] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2020] [Revised: 01/14/2021] [Accepted: 01/19/2021] [Indexed: 12/11/2022] Open
Abstract
Epidemiological studies associate milk consumption with an increased risk of Parkinson's disease (PD) and type 2 diabetes mellitus (T2D). PD is an α-synucleinopathy associated with mitochondrial dysfunction, oxidative stress, deficient lysosomal clearance of α-synuclein (α-syn) and aggregation of misfolded α-syn. In T2D, α-syn promotes co-aggregation with islet amyloid polypeptide in pancreatic β-cells. Prion-like vagal nerve-mediated propagation of exosomal α-syn from the gut to the brain and pancreatic islets apparently link both pathologies. Exosomes are critical transmitters of α-syn from cell to cell especially under conditions of compromised autophagy. This review provides translational evidence that milk exosomes (MEX) disturb α-syn homeostasis. MEX are taken up by intestinal epithelial cells and accumulate in the brain after oral administration to mice. The potential uptake of MEX miRNA-148a and miRNA-21 by enteroendocrine cells in the gut, dopaminergic neurons in substantia nigra and pancreatic β-cells may enhance miRNA-148a/DNMT1-dependent overexpression of α-syn and impair miRNA-148a/PPARGC1A- and miRNA-21/LAMP2A-dependent autophagy driving both diseases. MiRNA-148a- and galactose-induced mitochondrial oxidative stress activate c-Abl-mediated aggregation of α-syn which is exported by exosome release. Via the vagal nerve and/or systemic exosomes, toxic α-syn may spread to dopaminergic neurons and pancreatic β-cells linking the pathogenesis of PD and T2D.
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Affiliation(s)
- Bodo C Melnik
- Department of Dermatology, Environmental Medicine and Health Theory, University of Osnabrück, D-49076 Osnabrück, Germany
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31
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Naghshi S, Sadeghi O, Larijani B, Esmaillzadeh A. High vs. low-fat dairy and milk differently affects the risk of all-cause, CVD, and cancer death: A systematic review and dose-response meta-analysis of prospective cohort studies. Crit Rev Food Sci Nutr 2021; 62:3598-3612. [PMID: 33397132 DOI: 10.1080/10408398.2020.1867500] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Abstract
Considerable controversy exists regarding the association between milk and dairy consumption and mortality risk. The present systematic review and meta-analysis of prospective studies was undertaken to examine the association of high vs. low-fat dairy and milk consumption with mortality. We searched PubMed/Medline, ISI Web of Science, and Scopus databases through February 2020 for prospective cohort studies that reported the association between milk and dairy consumption and mortality risk. High-fat milk consumption was significantly associated with a greater risk of all-cause (Pooled ES: 1.15; 95% CI: 1.09-1.20, I2=24.5%, p = 0.22), CVD (Pooled ES: 1.09; 95% CI: 1.02-1.16, I2=4.5%, p = 0.38) and cancer mortality (Pooled ES: 1.17; 95% CI: 1.08-1.28, I2=30.1%, p = 0.19). However, total dairy consumption was associated with a lower risk of CVD mortality (Pooled ES: 0.93; 95% CI: 0.88-0.98, I2=59.7%, p = 0.001). Dose-response analysis revealed a significant non-linear association of total dairy consumption with all-cause and CVD mortality. Moreover, high-fat milk consumption was significantly associated with risk of cancer mortality in linear and non-linear dose-response analysis. In conclusion, we found high-fat milk consumption was associated with a higher risk of all-cause, CVD, and cancer mortality. However, total dairy consumption was associated with a lower risk of CVD mortality.
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Affiliation(s)
- Sina Naghshi
- Students' Scientific Research Center, Tehran University of Medical Sciences, Tehran, Iran.,Department of Clinical Nutrition, School of Nutritional Sciences and Dietetics, Tehran University of Medical Sciences, Tehran, Iran
| | - Omid Sadeghi
- Department of Community Nutrition, School of Nutritional Sciences and Dietetics, Tehran University of Medical Sciences, Tehran, Iran
| | - Bagher Larijani
- Endocrinology and Metabolism Research Center, Endocrinology and Metabolism Clinical Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran
| | - Ahmad Esmaillzadeh
- Department of Community Nutrition, School of Nutritional Sciences and Dietetics, Tehran University of Medical Sciences, Tehran, Iran.,Obesity and Eating Habits Research Center, Endocrinology and Metabolism Molecular-Cellular Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran.,Department of Community Nutrition, School of Nutrition and Food Science, Isfahan University of Medical Sciences, Isfahan, Iran
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32
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Zhao Q, He Y, Wang K, Wang C, Wu H, Gao L, Hu A, Yang W, Wang S. Dairy Consumption and Liver Cancer Risk: A Systematic Review and Dose-Response Meta-Analysis of Observational Studies. Nutr Cancer 2020; 73:2821-2831. [PMID: 33349059 DOI: 10.1080/01635581.2020.1862255] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
The relationship of dairy consumption and liver cancer risk is still controversial. We conducted a meta-analysis of published cohort and case-control studies to summarize the epidemiologic evidence on the relationship between dairy products consumption and the risk of liver cancer. The literatures were screened from PubMed, EMBASE, and Cochrane Library before May 2020. A total of seven cohort studies and eight case-control studies (5,121 cases) were included. The summary relative risks (RRs) were 1.17 (95% CI: 0.87‒1.57) and 1.08 (95% CI: 0.78‒1.51) for milk and total dairy, respectively. 0.50 (95% CI: 0.27-0.91) and 1.16 (95% CI: 0.83-1.52) were yogurt, cheese, and curd. Subgroup analysis revealed that study duration, alcohol, and design were associated the RRs. Dose-response analysis showed that the liver cancer risk was decreased by 5.4% (P for linear trend = 0.002) with a 40 g/day increment of yogurt intake. These results suggested that total dairy, milk, cheese, and curd were positive associations with the liver cancer risk although they were not statistically significant, however higher yogurt intake would reduce the risk. Further studies are necessary to verify the relationship of dairy foods with cancer.
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Affiliation(s)
- Qihong Zhao
- Department of Nutrition and Food Hygiene, School of Public Health, Anhui Medical University, Hefei, China
| | - Yue He
- Department of Nutrition and Food Hygiene, School of Public Health, Anhui Medical University, Hefei, China
| | - Kexin Wang
- Department of Nutrition and Food Hygiene, School of Public Health, Anhui Medical University, Hefei, China
| | - Chen Wang
- Department of Nutrition and Food Hygiene, School of Public Health, Anhui Medical University, Hefei, China
| | - Hanhan Wu
- Department of Nutrition and Food Hygiene, School of Public Health, Anhui Medical University, Hefei, China
| | - Lei Gao
- Department of Nutrition and Food Hygiene, School of Public Health, Anhui Medical University, Hefei, China
| | - Anla Hu
- Department of Nutrition and Food Hygiene, School of Public Health, Anhui Medical University, Hefei, China
| | - Wanshui Yang
- Department of Nutrition and Food Hygiene, School of Public Health, Anhui Medical University, Hefei, China
| | - Sufang Wang
- Department of Nutrition and Food Hygiene, School of Public Health, Anhui Medical University, Hefei, China
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33
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Jentzsch V, Davis JAA, Djamgoz MBA. Pancreatic Cancer (PDAC): Introduction of Evidence-Based Complementary Measures into Integrative Clinical Management. Cancers (Basel) 2020; 12:E3096. [PMID: 33114159 PMCID: PMC7690843 DOI: 10.3390/cancers12113096] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2020] [Accepted: 10/09/2020] [Indexed: 02/07/2023] Open
Abstract
The most common form of pancreatic cancer is pancreatic ductal adenocarcinoma (PDAC), which comprises some 85% of all cases. Currently, this is the fourth highest cause of cancer mortality worldwide and its incidence is rising steeply. Commonly applied clinical therapies offer limited chance of a lasting cure and the five-year survival rate is one of the lowest of the commonly occurring cancers. This review cultivates the hypothesis that the best management of PDAC would be possible by integrating 'western' clinical medicine with evidence-based complementary measures. Protecting the liver, where PDAC frequently first spreads, is also given some consideration. Overall, the complementary measures are divided into three groups: dietary factors, nutraceutical agents and lifestyle. In turn, dietary factors are considered as general conditioners, multi-factorial foodstuffs and specific compounds. The general conditioners are alkalinity, low-glycemic index and low-cholesterol. The multi-factorial foodstuffs comprise red meat, fish, fruit/vegetables, dairy, honey and coffee. The available evidence for the beneficial effects of the specific dietary and nutraceutical agents was considered at four levels (in order of prominence): clinical trials, meta-analyses, in vivo tests and in vitro studies. Thus, 9 specific agents were identified (6 dietary and 3 nutraceutical) as acceptable for integration with gemcitabine chemotherapy, the first-line treatment for pancreatic cancer. The specific dietary agents were the following: Vitamins A, C, D and E, genistein and curcumin. As nutraceutical compounds, propolis, triptolide and cannabidiol were accepted. The 9 complementary agents were sub-grouped into two with reference to the main 'hallmarks of cancer'. Lifestyle factors covered obesity, diabetes, smoking, alcohol and exercise. An integrative treatment regimen was devised for the management of PDAC patients. This involved combining first-line gemcitabine chemotherapy with the two sub-groups of complementary agents alternately in weekly cycles. The review concludes that integrated management currently offers the best patient outcome. Opportunities to be investigated in the future include emerging modalities, precision medicine, the nerve input to tumors and, importantly, clinical trials.
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Affiliation(s)
- Valerie Jentzsch
- Department of Life Sciences, Neuroscience Solutions to Cancer Research Group, Imperial College London, South Kensington Campus, London SW7 2AZ, UK; (V.J.); (J.A.A.D.)
- Business School, Imperial College London, South Kensington Campus, London SW7 2AZ, UK
| | - James A. A. Davis
- Department of Life Sciences, Neuroscience Solutions to Cancer Research Group, Imperial College London, South Kensington Campus, London SW7 2AZ, UK; (V.J.); (J.A.A.D.)
| | - Mustafa B. A. Djamgoz
- Department of Life Sciences, Neuroscience Solutions to Cancer Research Group, Imperial College London, South Kensington Campus, London SW7 2AZ, UK; (V.J.); (J.A.A.D.)
- Biotechnology Research Centre, Cyprus International University, Haspolat, Nicosia, TRNC, Mersin 10, Turkey
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34
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Duan R, Chen Y, Qiao T, Duan R, Chen M, Zhao L, Gong Y, Cheng G. Modern dietary pattern is prospectively associated with earlier age at menarche: data from the CHNS 1997-2015. Nutr J 2020; 19:95. [PMID: 32907571 PMCID: PMC7488069 DOI: 10.1186/s12937-020-00622-z] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2020] [Accepted: 09/02/2020] [Indexed: 12/18/2022] Open
Abstract
Background Early age at menarche is associated with risk of several chronic diseases. Prospective study on the association between dietary pattern and timing of menarche is sparse. We examined whether dietary patterns prior to the menarche onset were prospectively associated with menarcheal age in Chinese girls. Methods One thousand one hundred eighteen girls aged 6–13 y in the China Health and Nutrition Survey (CHNS) with three-day 24-h recalls and information on potential confounders at baseline were included in the study. Dietary patterns were identified using principal component analysis. Age at menarche was self-reported at each survey. Cox proportional hazard regression models were performed to examine the associations of premenarcheal dietary patterns and menarcheal timing. Hazard ratios (HRs) and 95% confidence intervals (CIs) were calculated. Results Three major dietary patterns were identified: modern dietary pattern, animal food pattern, and snack food pattern. After adjustment for age at baseline, region, ethnicity, maternal education level, energy intake at baseline, and body mass index Z-score at baseline, girls in the highest quartile of modern dietary pattern score had a 33% higher probability of experiencing menarche at an earlier age than those in the lowest quartile (HR: 1.33, 95% CI: 1.002–1.77, p for trend = 0.03). No significant association was found for the animal food pattern or snack food pattern. Conclusions Higher adherence to modern dietary pattern during childhood is associated with an earlier menarcheal age. This association was independent of premenarcheal body size.
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Affiliation(s)
- Ruonan Duan
- West China School of Public Health and West China Fourth Hospital, Sichuan University, Chengdu, PR China
| | - Yue Chen
- West China School of Public Health and West China Fourth Hospital, Sichuan University, Chengdu, PR China
| | - Tian Qiao
- West China School of Public Health and West China Fourth Hospital, Sichuan University, Chengdu, PR China
| | - Ruotong Duan
- Department of Clinical Medicine, Changzhi Medical College, Changzhi, Shanxi, PR China
| | - Mengxue Chen
- West China School of Public Health and West China Fourth Hospital, Sichuan University, Chengdu, PR China
| | - Li Zhao
- West China School of Public Health and West China Fourth Hospital, Sichuan University, Chengdu, PR China
| | - Yunhui Gong
- Department of Obstetrics, West China Second University Hospital, Sichuan University, Chengdu, PR China.,Key Laboratory of Birth Defects and Related Diseases of Women and Children (Sichuan University), Ministry of Education, Chengdu, PR China
| | - Guo Cheng
- Laboratory of Molecular Translational Medicine, Center for Translational Medicine, Key Laboratory of Birth Defects and Related Diseases of Women and Children (Sichuan University), Ministry of Education, Department of Pediatrics, West China Second University Hospital, Sichuan University, Chengdu, Sichuan, 610041, PR China.
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35
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Larsson SC, Carter P, Vithayathil M, Kar S, Mason AM, Burgess S. Insulin-like growth factor-1 and site-specific cancers: A Mendelian randomization study. Cancer Med 2020; 9:6836-6842. [PMID: 32717139 PMCID: PMC7520358 DOI: 10.1002/cam4.3345] [Citation(s) in RCA: 34] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2020] [Revised: 07/09/2020] [Accepted: 07/13/2020] [Indexed: 01/02/2023] Open
Abstract
Insulin-like growth factor-1 (IGF-1) is involved in several processes relevant to carcinogenesis. We used 416 single-nucleotide polymorphisms robustly associated with serum IGF-1 levels to assess the potential causal associations between this hormone and site-specific cancers through Mendelian randomization. Summary-level genetic association estimates for prostate, breast, ovarian, and lung cancer were obtained from large-scale consortia including individuals of European-descent. Furthermore, we estimated genetic associations with 14 site-specific cancers in European-descent individuals in UK Biobank. Supplementary analyses were conducted for six site-specific cancers using summary-level data from the BioBank Japan Project. Genetically predicted serum IGF-1 levels were associated with colorectal cancer. The odds ratio (OR) per standard deviation increase of IGF-1 levels was 1.11 (95% confidence interval [CI] 1.01-1.22; P = .03) in UK Biobank and 1.22 (95% CI 1.09-1.36; P = 3.9 × 10-4 ) in the BioBank Japan Project. For prostate cancer, the corresponding OR was 1.10 (95% CI 1.01-1.21; P = .04) in UK Biobank, 1.03 (95% CI 0.97-1.09; P = .41) in the prostate cancer consortium, and 1.08 (95% CI 0.95-1.22; P = .24) in the BioBank Japan Project. For breast cancer, the corresponding OR was 0.99 (95% CI 0.92-1.07; P = .85) in UK Biobank and 1.08 (95% CI 1.02-1.13; P = 4.4 × 10-3 ) in the Breast Cancer Association Consortium. There was no statistically significant association between genetically predicted IGF-1 levels and 14 other cancers. This study found some support for a causal association between elevated serum IGF-1 levels and increased risk of colorectal cancer. There was inconclusive or no evidence of a causal association of IGF-1 levels with prostate, breast, and other cancers.
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Affiliation(s)
- Susanna C. Larsson
- Department of Surgical SciencesUppsala UniversityUppsalaSweden
- Unit of Cardiovascular and Nutritional EpidemiologyInstitute of Environmental MedicineKarolinska InstitutetStockholmSweden
| | - Paul Carter
- Department of Public Health and Primary CareUniversity of CambridgeCambridgeUK
| | | | - Siddhartha Kar
- MRC Integrative Epidemiology UnitBristol Medical SchoolUniversity of BristolBristolUK
| | - Amy M. Mason
- British Heart Foundation Cardiovascular Epidemiology UnitDepartment of Public Health and Primary CareUniversity of CambridgeCambridgeUK
- National Institute for Health Research Cambridge Biomedical Research CentreUniversity of Cambridge and Cambridge University HospitalsCambridgeUK
| | - Stephen Burgess
- Department of Public Health and Primary CareUniversity of CambridgeCambridgeUK
- MRC Biostatistics UnitUniversity of CambridgeCambridgeUK
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36
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Larsson SC, Michaëlsson K, Burgess S. IGF-1 and cardiometabolic diseases: a Mendelian randomisation study. Diabetologia 2020; 63:1775-1782. [PMID: 32548700 PMCID: PMC7406523 DOI: 10.1007/s00125-020-05190-9] [Citation(s) in RCA: 40] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/22/2020] [Accepted: 04/21/2020] [Indexed: 12/13/2022]
Abstract
AIMS/HYPOTHESIS Abnormal serum IGF-1 levels are associated with an increased risk of type 2 diabetes and cardiovascular disease. However, the causal role of IGF-1 levels within the normal range in cardiometabolic disease remains unclear. We employed Mendelian randomisation to explore the associations between genetically predicted serum IGF-1 levels and cardiometabolic diseases. METHODS Serum IGF-1 levels were predicted using 416 SNPs associated with IGF-1 levels among 358,072 individuals in UK Biobank. Genetic association estimates for the outcomes were obtained from consortia of type 2 diabetes (74,124 cases, 824,006 controls), coronary artery disease (60,801 cases, 123,504 controls), heart failure (47,309 cases, 930,014 controls), atrial fibrillation (65,446 cases, 522,744 controls), and ischaemic stroke (60,341 cases, 454,450 controls). RESULTS Genetic predisposition to elevated serum IGF-1 levels was associated with higher risk of type 2 diabetes and coronary artery disease. The OR (95% CI) per SD increment in IGF-1 level was 1.14 (1.05, 1.24) for type 2 diabetes and 1.09 (1.02, 1.16) for coronary artery disease. The association between IGF-1 and coronary artery disease was attenuated after adjustment for type 2 diabetes (OR 1.06 [95% CI 1.00, 1.13]), suggesting that the association may be partly mediated via type 2 diabetes. There was limited evidence of associations between IGF-1 levels and heart failure, atrial fibrillation and ischaemic stroke. CONCLUSIONS/INTERPRETATION This study found evidence that increased IGF-1 levels may be causally associated with higher risk of type 2 diabetes. Graphical abstract.
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Affiliation(s)
- Susanna C Larsson
- Department of Surgical Sciences, Uppsala University, Epihubben, 75185, Uppsala, Sweden.
- Unit of Cardiovascular and Nutritional Epidemiology, Institute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden.
| | - Karl Michaëlsson
- Department of Surgical Sciences, Uppsala University, Epihubben, 75185, Uppsala, Sweden
| | - Stephen Burgess
- Department of Public Health and Primary Care, University of Cambridge, Cambridge, UK
- MRC Biostatistics Unit, University of Cambridge, Cambridge, UK
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Jin S, Kim Y, Je Y. Dairy Consumption and Risks of Colorectal Cancer Incidence and Mortality: A Meta-analysis of Prospective Cohort Studies. Cancer Epidemiol Biomarkers Prev 2020; 29:2309-2322. [DOI: 10.1158/1055-9965.epi-20-0127] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2020] [Revised: 05/02/2020] [Accepted: 08/19/2020] [Indexed: 12/24/2022] Open
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38
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Buja A, Pierbon M, Lago L, Grotto G, Baldo V. Breast Cancer Primary Prevention and Diet: An Umbrella Review. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2020; 17:E4731. [PMID: 32630215 PMCID: PMC7369836 DOI: 10.3390/ijerph17134731] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/02/2020] [Revised: 06/22/2020] [Accepted: 06/25/2020] [Indexed: 02/07/2023]
Abstract
Introduction: Many studies have been published, but none have pooled the useful evidence available in the literature to produce guidelines and health policies promoting healthy eating styles to prevent breast cancer (BC). The present study aimed to summarize the evidence produced to date, taking a judicious, critical approach to the quality of the studies analyzed. Methods: An umbrella review method was adopted, which is a systematic review of second-level studies, meta-analyses and literature reviews. Results: In all, 48 studies were considered: 32 meta-analyses, 4 pooled analyses, 5 systematic reviews, and 7 qualitative reviews. A higher intake of total meat, or red or processed meats, or foods with a high glycemic index, or eggs would seem to be associated with a higher risk of BC. Some foods, such as vegetables, would seem instead to have an inverse association with BC risk. One meta-analysis revealed an inverse association between citrus fruit and mushroom consumption and BC. Some nutrients, such as calcium, folate, vitamin D, lignans and carotenoids, also seem to be inversely associated with BC risk. The evidence is still conflicting as concerns exposure to other dietary elements (e.g., polyunsaturated fatty acids, dairy foods). Conclusion: Nutrition is one of the most modifiable aspects of people's lifestyles and dietary choices can affect health and the risk of cancer. Overall, adhering to a healthy eating style may be associated with a significant reduction in the risk of BC.
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Affiliation(s)
- Alessandra Buja
- Department of Cardiological, Thoracic and Vascular Sciences, University of Padova, Via Loredan 18, 35127 Padova, Italy; (G.G.); (V.B.)
| | - Marco Pierbon
- Masters Course in Sciences for the Public Health and Prevention Professions, University of Padova, Via Giustiniani 2, 35127 Padova, Italy; (M.P.); (L.L.)
| | - Laura Lago
- Masters Course in Sciences for the Public Health and Prevention Professions, University of Padova, Via Giustiniani 2, 35127 Padova, Italy; (M.P.); (L.L.)
| | - Giulia Grotto
- Department of Cardiological, Thoracic and Vascular Sciences, University of Padova, Via Loredan 18, 35127 Padova, Italy; (G.G.); (V.B.)
| | - Vincenzo Baldo
- Department of Cardiological, Thoracic and Vascular Sciences, University of Padova, Via Loredan 18, 35127 Padova, Italy; (G.G.); (V.B.)
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Grenov B, Larnkjær A, Lee R, Serena A, Mølgaard C, Michaelsen KF, Manary MJ. Circulating Insulin-Like Growth Factor-1 Is Positively Associated with Growth and Cognition in 6- to 9-Year-Old Schoolchildren from Ghana. J Nutr 2020; 150:1405-1412. [PMID: 32211798 DOI: 10.1093/jn/nxaa075] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2019] [Revised: 11/08/2019] [Accepted: 03/02/2020] [Indexed: 12/21/2022] Open
Abstract
BACKGROUND Milk intake stimulates linear growth and improves cognition in children from low-income countries. These effects may be mediated through insulin-like growth factor-1 (IGF-1). OBJECTIVE The objective was to assess the effect of milk supplement on circulating IGF-1 and to assess IGF-1 as a correlate of growth and cognition in children. METHODS Secondary data on blood spot IGF-1 from a randomized, double-blind, controlled trial in 6-9-y-old children from rural Ghana were analyzed. Intervention groups received porridge with non-energy-balanced supplements: 8.8 g milk protein/d, 100 kcal/d (Milk8); 4.4 g milk and 4.4 g rice protein/d, 100 kcal/d (Milk/rice); 4.4 g milk protein/d, 48 kcal/d (Milk4); or a control (no protein, 10 kcal/d). IGF-1, length, body composition, and Cambridge Neuropsychological Test Automated Battery (CANTAB) were measured at 3.5 or 8.5 mo. Linear regressions were used to assess the effect of milk interventions on IGF-1 and IGF-1 as a correlate of growth and cognition. RESULTS The increase in IGF-1 was 15.3 (95% CI: 3.3, 27.3) ng/mL higher in children receiving Milk8 compared with the control. The IGF-1 increases in the isonitrogenous, isoenergetic Milk/rice or the Milk4 groups were not different from the control (P ≥ 0.49). The increase in IGF-1 was associated with improvements in 4 out of 5 CANTAB domains. The strongest associations included reductions in "mean correct latency" from Pattern Recognition Memory and "pre-extradimensional (pre-ED) shift errors" from Intra/Extradimensional Set Shift (P ≤ 0.005). In addition, change in IGF-1 was positively associated with changes in height, weight, and fat-free mass (P ≤ 0.001). CONCLUSIONS Intake of skimmed milk powder corresponding to one, but not half a glass of milk on school days stimulates IGF-1 in 6-9-y-old Ghanian children. IGF-1 seems to mediate the effect of milk intake on growth and cognition. The association between IGF-1 and cognition in relation to milk intake is novel and opens possibilities for dietary interventions to improve cognition.
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Affiliation(s)
- Benedikte Grenov
- Department of Nutrition, Exercise, and Sports, University of Copenhagen, Frederiksberg C, Denmark
| | - Anni Larnkjær
- Department of Nutrition, Exercise, and Sports, University of Copenhagen, Frederiksberg C, Denmark
| | - Reginald Lee
- Department of Pediatrics, Washington University, St Louis, MO, USA
| | - Anja Serena
- Global Nutrition, Arla Foods amba, Skejby, Denmark
| | - Christian Mølgaard
- Department of Nutrition, Exercise, and Sports, University of Copenhagen, Frederiksberg C, Denmark
| | - Kim F Michaelsen
- Department of Nutrition, Exercise, and Sports, University of Copenhagen, Frederiksberg C, Denmark
| | - Mark J Manary
- Department of Pediatrics, Washington University, St Louis, MO, USA
- School of Public Health and Family Medicine, College of Medicine, University of Malawi, Blantyre, Malawi
- Children's Nutrition Research Center, Baylor College of Medicine, Houston, TX, USA
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Sanwlani R, Fonseka P, Chitti SV, Mathivanan S. Milk-Derived Extracellular Vesicles in Inter-Organism, Cross-Species Communication and Drug Delivery. Proteomes 2020; 8:11. [PMID: 32414045 PMCID: PMC7356197 DOI: 10.3390/proteomes8020011] [Citation(s) in RCA: 82] [Impact Index Per Article: 20.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2020] [Revised: 05/07/2020] [Accepted: 05/11/2020] [Indexed: 12/13/2022] Open
Abstract
Milk is considered as more than a source of nutrition for infants and is a vector involved in the transfer of bioactive compounds and cells. Milk contains abundant quantities of extracellular vesicles (EVs) that may originate from multiple cellular sources. These nanosized vesicles have been well characterized and are known to carry a diverse cargo of proteins, nucleic acids, lipids and other biomolecules. Milk-derived EVs have been demonstrated to survive harsh and degrading conditions in gut, taken up by various cell types, cross biological barriers and reach peripheral tissues. The cargo carried by these dietary EVs has been suggested to have a role in cell growth, development, immune modulation and regulation. Hence, there is considerable interest in understanding the role of milk-derived EVs in mediating inter-organismal and cross-species communication. Furthermore, various attributes such as it being a natural source, as well as its abundance, scalability, economic viability and lack of unwarranted immunologic reactions, has generated significant interest in deploying milk-derived EVs for clinical applications such as drug delivery and disease therapy. In this review, the role of milk-derived EVs in inter-organismal, cross-species communication and in drug delivery is discussed.
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Affiliation(s)
| | | | | | - Suresh Mathivanan
- Department of Biochemistry and Genetics, La Trobe Institute for Molecular Science, La Trobe University, Bundoora, VIC 3083, Australia; (R.S.); (P.F.); (S.V.C.)
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Effects of dairy products, calcium and vitamin D on ovarian cancer risk: a meta-analysis of twenty-nine epidemiological studies. Br J Nutr 2020; 124:1001-1012. [DOI: 10.1017/s0007114520001075] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
AbstractFindings for the roles of dairy products, Ca and vitamin D on ovarian cancer risk remain controversial. We aimed to assess these associations by using an updated meta-analysis. Five electronic databases (e.g. PubMed and Embase) were searched from inception to 24 December 2019. Pooled relative risks (RR) with 95 % CI were calculated. A total of twenty-nine case–control or cohort studies were included. For comparisons of the highest v. lowest intakes, higher whole milk intake was associated with increased ovarian cancer risk (RR 1·35; 95 % CI 1·15, 1·59), whereas decreased risks were observed for higher intakes of low-fat milk (RR 0·84; 95 % CI 0·73, 0·96), dietary Ca (RR 0·71; 95 % CI 0·60, 0·84) and dietary vitamin D (RR 0·80; 95 % CI 0·67, 0·95). Additionally, for every 100 g/d increment, increased ovarian cancer risks were found for total dairy products (RR 1·03; 95 % CI 1·01, 1·04) and for whole milk (RR 1·07; 95 % CI 1·03, 1·11); however, decreased risks were found for 100 g/d increased intakes of low-fat milk (RR 0·95; 95 % CI 0·91, 0·99), cheese (RR 0·87; 95 % CI 0·76, 0·98), dietary Ca (RR 0·96; 95 % CI 0·95, 0·98), total Ca (RR 0·98; 95 % CI 0·97, 0·99), dietary vitamin D (RR 0·92; 95 % CI 0·87, 0·97) and increased levels of circulating vitamin D (RR 0·84; 95 % CI 0·72, 0·97). These results show that whole milk intake might contribute to a higher ovarian cancer risk, whereas low-fat milk, dietary Ca and dietary vitamin D might reduce the risk.
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Yang W, Sui J, Ma Y, Simon TG, Chong D, Meyerhardt JA, Willett WC, Giovannucci EL, Chan AT, Zhang X. A prospective study of dairy product intake and the risk of hepatocellular carcinoma in U.S. men and women. Int J Cancer 2020; 146:1241-1249. [PMID: 31116416 PMCID: PMC6872903 DOI: 10.1002/ijc.32423] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2019] [Revised: 04/20/2019] [Accepted: 05/09/2019] [Indexed: 12/27/2022]
Abstract
Although increasing dairy product intake has been associated with risk of several cancers, epidemiological studies on hepatocellular carcinoma are sparse and have yielded inconsistent results. We prospectively assessed the associations of dairy products (total, milk, butter, cheese and yogurt) and their major components (calcium, vitamin D, fats and protein) with the risk of hepatocellular carcinoma development among 51,418 men and 93,427 women in the Health Professionals Follow-Up Study and the Nurses' Health Study. Diets were collected at baseline and updated every 4 years using validated food frequency questionnaires. Multivariable hazard ratios (HRs) and 95% confidence intervals (CIs) were calculated using Cox proportional hazards regression model. During up to 32 years of follow-up, a total of 164 hepatocellular carcinoma cases were documented. After adjustment for most known hepatocellular carcinoma risk factors, higher total dairy product intake was associated with an increased risk of hepatocellular carcinoma (highest vs. lowest tertile, HR = 1.85, 95% CI: 1.19-2.88; ptrend = 0.009). For the same comparison, we observed significant positive associations of high-fat dairy (HR = 1.81, 95% CI: 1.19-2.76; ptrend = 0.008) and butter (HR = 1.58, 95% CI: 1.06-2.36; ptrend = 0.04) with hepatocellular carcinoma risk. There was a nonsignificant inverse association between yogurt intake and hepatocellular carcinoma risk (HR = 0.72, 95% CI: 0.49-1.05; ptrend = 0.26). Our data suggest that higher intake of high-fat dairy foods was associated with higher, whereas higher yogurt consumption might be associated with lower risk of developing hepatocellular carcinoma among U.S. men and women.
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Affiliation(s)
- Wanshui Yang
- Department of Nutrition, School of Public Health, Anhui Medical University, Hefei, Anhui, P.R. China
- Channing Division of Network Medicine, Department of Medicine, Brigham and Women’s Hospital and Harvard Medical School, Boston, MA, USA
| | - Jing Sui
- Channing Division of Network Medicine, Department of Medicine, Brigham and Women’s Hospital and Harvard Medical School, Boston, MA, USA
- Key Laboratory of Environmental Medicine Engineering, Ministry of Education, School of public Health, Southeast University, Nanjing, Jiangsu, P.R. China
| | - Yanan Ma
- Channing Division of Network Medicine, Department of Medicine, Brigham and Women’s Hospital and Harvard Medical School, Boston, MA, USA
- School of Public Health, China Medical University, Shenyang, Liaoning, P.R. China
| | - Tracey G. Simon
- Liver Center, Division of Gastroenterology, Department of Medicine, Massachusetts General Hospital, Boston, MA, USA
- Division of Gastroenterology, Department of Medicine, Massachusetts General Hospital
- Clinical and Translational Epidemiology Unit (CTEU), Massachusetts General Hospital, Boston, MA, USA
| | - Dawn Chong
- National Cancer Centre Singapore, Singapore
| | - Jeffrey A. Meyerhardt
- Department of Medical Oncology, Dana-Farber Cancer Institute and Harvard Medical School, Boston, MA, USA
| | - Walter C. Willett
- Department of Nutrition, Harvard T.H. Chan School of Public Health, Boston, MA, USA
- Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, MA, USA
| | - Edward L. Giovannucci
- Channing Division of Network Medicine, Department of Medicine, Brigham and Women’s Hospital and Harvard Medical School, Boston, MA, USA
- Department of Nutrition, Harvard T.H. Chan School of Public Health, Boston, MA, USA
- Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, MA, USA
| | - Andrew T. Chan
- Channing Division of Network Medicine, Department of Medicine, Brigham and Women’s Hospital and Harvard Medical School, Boston, MA, USA
- Division of Gastroenterology, Department of Medicine, Massachusetts General Hospital
- Clinical and Translational Epidemiology Unit (CTEU), Massachusetts General Hospital, Boston, MA, USA
| | - Xuehong Zhang
- Channing Division of Network Medicine, Department of Medicine, Brigham and Women’s Hospital and Harvard Medical School, Boston, MA, USA
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Affiliation(s)
- Walter C Willett
- From the Departments of Nutrition (W.C.W., D.S.L.) and Epidemiology (W.C.W.), Harvard T.H. Chan School of Public Health; Channing Division of Network Medicine, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School (W.C.W.); the Department of Pediatrics, Harvard Medical School (D.S.L.); and the New Balance Foundation Obesity Prevention Center, Boston Children's Hospital (D.S.L.) - all in Boston
| | - David S Ludwig
- From the Departments of Nutrition (W.C.W., D.S.L.) and Epidemiology (W.C.W.), Harvard T.H. Chan School of Public Health; Channing Division of Network Medicine, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School (W.C.W.); the Department of Pediatrics, Harvard Medical School (D.S.L.); and the New Balance Foundation Obesity Prevention Center, Boston Children's Hospital (D.S.L.) - all in Boston
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Ding M, Li J, Qi L, Ellervik C, Zhang X, Manson JE, Stampfer M, Chavarro JE, Rexrode KM, Kraft P, Chasman D, Willett WC, Hu FB. Associations of dairy intake with risk of mortality in women and men: three prospective cohort studies. BMJ 2019; 367:l6204. [PMID: 31776125 PMCID: PMC6880246 DOI: 10.1136/bmj.l6204] [Citation(s) in RCA: 51] [Impact Index Per Article: 10.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 10/17/2019] [Indexed: 12/12/2022]
Abstract
OBJECTIVE To examine the association of consumption of dairy foods with risk of total and cause specific mortality in women and men. DESIGN Three prospective cohort studies with repeated measures of diet and lifestyle factors. SETTING Nurses' Health Study, Nurses' Health Study II, and the Health Professionals Follow-up Study, in the United States. PARTICIPANTS 168 153 women and 49 602 men without cardiovascular disease or cancer at baseline. MAIN OUTCOME MEASURE Death confirmed by state vital records, the national death index, or reported by families and the postal system. During up to 32 years of follow-up, 51 438 deaths were documented, including 12 143 cardiovascular deaths and 15 120 cancer deaths. Multivariable analysis further adjusted for family history of cardiovascular disease and cancer, physical activity, overall dietary pattern (alternate healthy eating index 2010), total energy intake, smoking status, alcohol consumption, menopausal status (women only), and postmenopausal hormone use (women only). RESULTS Compared to the lowest category of total dairy consumption (average 0.8 servings/day), the multivariate pooled hazard ratio for total mortality was 0.98 (95% confidence interval 0.96 to 1.01) for the second category of dairy consumption (average 1.5 servings/day), 1.00 (0.97 to 1.03) for the third (average 2.0 servings/day), 1.02 (0.99 to 1.05) for the fourth (average 2.8 servings/day), and 1.07 (1.04 to 1.10) for highest category (average 4.2 servings/day; P for trend <0.001). For the highest compared to the lowest category of total dairy consumption, the hazard ratio was 1.02 (0.95 to 1.08) for cardiovascular mortality and 1.05 (0.99 to 1.11) for cancer mortality. For subtypes of dairy products, whole milk intake was significantly associated with higher risks of total mortality (hazard ratio per 0.5 additional serving/day 1.11, 1.09 to 1.14), cardiovascular mortality (1.09, 1.03 to 1.15), and cancer mortality (1.11, 1.06 to 1.17). In food substitution analyses, consumption of nuts, legumes, or whole grains instead of dairy foods was associated with a lower mortality, whereas consumption of red and processed meat instead of dairy foods was associated with higher mortality. CONCLUSION These data from large cohorts do not support an inverse association between high amount of total dairy consumption and risk of mortality. The health effects of dairy could depend on the comparison foods used to replace dairy. Slightly higher cancer mortality was non-significantly associated with dairy consumption, but warrants further investigation.
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Affiliation(s)
- Ming Ding
- Department of Nutrition, Harvard School of Public Health, Boston, MA 02115, USA
| | - Jun Li
- Department of Nutrition, Harvard School of Public Health, Boston, MA 02115, USA
- Department of Epidemiology, Harvard School of Public Health, Boston, MA, USA
| | - Lu Qi
- Department of Nutrition, Harvard School of Public Health, Boston, MA 02115, USA
- Department of Epidemiology, School of Public Health and Tropical Medicine, Tulane University, New Orleans, LA, USA
| | - Christina Ellervik
- Department of Clinical Medicine, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
- Department of Laboratory Medicine, Boston Children's Hospital, Boston, MA, USA
- Division of Preventive Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, USA
| | - Xuehong Zhang
- Channing Division of Network Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, USA
| | - JoAnn E Manson
- Department of Epidemiology, Harvard School of Public Health, Boston, MA, USA
- Division of Preventive Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, USA
- Channing Division of Network Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, USA
| | - Meir Stampfer
- Department of Epidemiology, Harvard School of Public Health, Boston, MA, USA
- Channing Division of Network Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, USA
| | - Jorge E Chavarro
- Department of Nutrition, Harvard School of Public Health, Boston, MA 02115, USA
- Department of Epidemiology, Harvard School of Public Health, Boston, MA, USA
- Channing Division of Network Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, USA
| | - Kathryn M Rexrode
- Division of Women's Health, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, USA
| | - Peter Kraft
- Department of Epidemiology, Harvard School of Public Health, Boston, MA, USA
| | - Daniel Chasman
- Division of Preventive Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, USA
- Division of Genetics, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, USA
- Broad Institute of MIT and Harvard, Cambridge, MA, USA
| | - Walter C Willett
- Department of Nutrition, Harvard School of Public Health, Boston, MA 02115, USA
- Department of Epidemiology, Harvard School of Public Health, Boston, MA, USA
- Channing Division of Network Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, USA
| | - Frank B Hu
- Department of Nutrition, Harvard School of Public Health, Boston, MA 02115, USA
- Department of Epidemiology, Harvard School of Public Health, Boston, MA, USA
- Channing Division of Network Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, USA
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Shin J, Millstine D, Ruddy B, Wallace M, Fields H. Effect of Plant- and Animal-Based Foods on Prostate Cancer Risk. J Osteopath Med 2019; 119:2753613. [PMID: 31633743 DOI: 10.7556/jaoa.2019.123] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
Abstract
CONTEXT Many studies have explored whether plant and animal-based food consumption is associated with prostate cancer (PCa) risk, but there is much discordance. OBJECTIVE To perform an updated review of the literature that further investigates the association of plant- and animal-based food consumption with PCa risk. METHODS This review was conducted by using 3 databases and produced a total of 550 references. The search was limited to a publication date range of 2006 to February 2017, English language, and humans. After case reports, comments, letters, editorials, and duplicate references were removed, 297 citations remained for review. Articles that did not investigate the association of dietary patterns or a major component of diet with PCa were excluded. RESULTS Of the 297 references found, 47 were eligible for inclusion in this review. The authors identified 2 very large cohort studies (≥100,000 participants), 6 large cohort studies (≥40,000 participants), 11 medium cohort studies (≥10,000 participants), 10 small cohort studies (<10,000 participants), 13 case-control studies, 4 meta-analyses, and 1 population study investigating diet and PCa risk. Most studies showed that plant-based foods are associated with either decreased or unchanged risk of PCa, whereas animal-based foods, particularly dairy products, are associated with either increased or unchanged risk of PCa. CONCLUSION This review of the literature suggests that consumption of higher amounts of plant-based foods may be associated with decreased PCa risk, and consumption of higher amounts of dairy products may be associated with increased PCa risk.
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Nilsson LM, Winkvist A, Esberg A, Jansson JH, Wennberg P, van Guelpen B, Johansson I. Dairy Products and Cancer Risk in a Northern Sweden Population. Nutr Cancer 2019; 72:409-420. [PMID: 31298944 DOI: 10.1080/01635581.2019.1637441] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
The role of dairy products in cancer is unclear. We assessed consumption of fermented milk, non-fermented milk, cheese, and butter, estimated from semi-quantitative food frequency questionnaires, in relation to prospective risk of breast, prostate, colorectal, smoking-, and obesity-related cancers in 101,235 subjects, including 12,552 cancer cases, in the population-based Northern Sweden Health and Disease Study. Most analyses (n = 20) rendered null results. In men, we observed an increased prostate cancer risk among high-consumers of cheese (hazard ratio (HR) for highest vs. lowest quintile (Q5-Q1), 1.11; 95% CI, 0.97-1.27; Ptrend = 0.013). In women, high-consumers of cheese had a decreased risk of overall cancer (HR Q5-Q1, 0.95; 95% CI, 0.88-1.04; Ptrend = 0.039), smoking-related (HR Q5-Q1, 0.84; 95% CI, 0.72-0.97; Ptrend ≤ 0.001), and colorectal cancers (HR Q5-Q1, 0.82; 95% CI, 0.63-1.07; Ptrend = 0.048). Butter yielded a weak decreased obesity-related cancer risk in women (HR Q5-Q1, 0.91; 95% CI, 0.81-1.02; Ptrend = 0.049). Fermented milk yielded HRs below zero in women, but with no clear linear associations. In conclusion, this study does not support any major adverse or beneficial effects of fermented milk, non-fermented milk, cheese, and butter in the diet from a cancer risk perspective.
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Affiliation(s)
- Lena M Nilsson
- Department of Public Health and Clinical Medicine, Umeå University, Umeå, Sweden
| | - Anna Winkvist
- Department of Internal Medicine and Clinical Nutrition, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
| | - Anders Esberg
- Department of Odontology, Umeå University, Umeå, Sweden
| | - Jan-Håkan Jansson
- Department of Public Health and Clinical Medicine, Umeå University, Umeå, Sweden
| | - Patrik Wennberg
- Department of Public Health and Clinical Medicine, Umeå University, Umeå, Sweden
| | - Bethany van Guelpen
- Department of Radiation Sciences, Oncology and Wallenberg Centre for Molecular Medicine, Umeå University, Umeå, Sweden
| | - Ingegerd Johansson
- Department of Public Health and Clinical Medicine, Umeå University, Umeå, Sweden.,Department of Odontology, Umeå University, Umeå, Sweden
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Vasconcelos A, Santos T, Ravasco P, Neves PM. Dairy Products: Is There an Impact on Promotion of Prostate Cancer? A Review of the Literature. Front Nutr 2019; 6:62. [PMID: 31139629 PMCID: PMC6527888 DOI: 10.3389/fnut.2019.00062] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2018] [Accepted: 04/17/2019] [Indexed: 12/21/2022] Open
Abstract
This review of the literature aims to study potential associations between high consumption of milk and/or dairy products and prostate cancer (PC). Literature is scarce, yet there is a direct relationship between mTORC1 activation and PC; several ingredients in milk/dairy products, when in high concentrations, increase signaling of the mTORC1 pathway. However, there are no studies showing an unequivocal relationship between milk products PC initiation and/or progression. Three different reviews were conducted with articles published in the last 5 years: (M1) PC and intake of dairy products, taking into account the possible mTORC1signaling mechanism; (M2) Intake of milk products and incidence/promotion of PC; (M3) mTORC1 activation signaling pathway, levels of IGF-1 and PC; (M4) mTORC pathway and dairy products. Of the 32 reviews identified, only 21 met the inclusion criteria and were analyzed. There is little scientific evidence that directly link the three factors: incidence/promotion of PC, intake of dairy products and PC, and PC and increased mTORC1 signaling. Persistent hyper-activation of mTORC1 is associated with PC promotion. The activity of exosomal mRNA in cellular communication may lead to different impacts of different types of milk and whether or not mammalian milks will have their own characteristics within each species. Based on this review of the literature, it is possible to establish a relationship between the consumption of milk products and the progression of PC; we also found a possible association with PC initiation, hence it is likely that the intake of dairy products should be reduced or minimized in mens' diet.
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Affiliation(s)
| | - Teresa Santos
- European University of Lisbon, Lisbon, Portugal.,Faculdade de Medicina, Instituto de Saúde Ambiental, Universidade de Lisboa, Lisbon, Portugal.,Instituto de Ciências da Saúde, Universidade Católica Portuguesa, Lisbon, Portugal
| | - Paula Ravasco
- University Hospital of Santa Maria, University of Lisbon, Lisbon, Portugal.,Centre for Interdisciplinary Research in Health, Universidade Católica Portuguesa, Lisbon, Portugal
| | - Pedro Miguel Neves
- Centre for Interdisciplinary Research in Health, Universidade Católica Portuguesa, Lisbon, Portugal
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Srinivasan V, Nimptsch K, Rohrmann S. Associations of Current, Childhood, and Adolescent Milk Intake with Serum Insulin-like Growth Factor (IGF)-1 and IGF Binding Protein 3 Concentrations in Adulthood. Nutr Cancer 2019; 71:931-938. [PMID: 31045453 DOI: 10.1080/01635581.2019.1595044] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Abstract
Previous studies have shown that insulin-like growth factor (IGF)-1 levels are positively and IGF binding protein (IGFBP)-3 levels negatively associated with risk of certain cancers. Also, dietary factors may influence the IGF system. We aimed to analyze the associations of current, childhood and adolescent milk intake with IGF-1 levels, IGFBP-3 levels and IGF-1:IGFBP-3 molar ratio in adulthood. Multivariable linear regression analyses by sex and race/ethnicity were performed using cross-sectional data from the Third National Health and Nutrition Examination Survey. A total of 5,805 participants were included in the analyses. Adult IGF-1 levels and IGF-1:IGFBP-3 molar ratio had significant inverse associations (P-trend = 0.02) with adolescent milk intake in non-Hispanic white men, but not in men of other race/ethnicities or in women. There were no associations between current or childhood milk intake and IGF-1 levels or IGF-1:IGFBP-3 molar ratio in adulthood. Current milk intake and childhood milk intake had significant positive associations (P-trend = 0.02) with adult IGFBP-3 levels in non-Hispanic white and non-Hispanic black women, respectively, but no associations were observed in Mexican American women or in men. Overall, there were long-term and short-term associations between milk intake and IGF-1 and IGFBP-3 levels, but the associations varied by race/ethnicity and sex.
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Affiliation(s)
- Vishnu Srinivasan
- a Division of Chronic Disease Epidemiology, Epidemiology, Biostatistics and Prevention Institute , University of Zurich , Zurich , Switzerland
| | - Katharina Nimptsch
- b Molecular Epidemiology Research Group , Max Delbrück Center for Molecular Medicine (MDC) , Berlin , Germany.,c Department of Nutrition, Harvard T.H. Chan School of Public Health , Boston , Massachusetts , USA
| | - Sabine Rohrmann
- a Division of Chronic Disease Epidemiology, Epidemiology, Biostatistics and Prevention Institute , University of Zurich , Zurich , Switzerland
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López-Plaza B, Bermejo LM, Santurino C, Cavero-Redondo I, Álvarez-Bueno C, Gómez-Candela C. Milk and Dairy Product Consumption and Prostate Cancer Risk and Mortality: An Overview of Systematic Reviews and Meta-analyses. Adv Nutr 2019; 10:S212-S223. [PMID: 31089741 PMCID: PMC6518142 DOI: 10.1093/advances/nmz014] [Citation(s) in RCA: 31] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2018] [Revised: 10/02/2018] [Accepted: 01/23/2019] [Indexed: 01/02/2023] Open
Abstract
Milk and dairy product consumption has been associated with an increase in prostate cancer risk; however, discrepancies have been observed in the literature. This first overview of systematic reviews and meta-analyses was carried out with the main objective of compiling and discussing the evidence generated to date related to milk and dairy product consumption and prostate cancer risk and mortality. A systematic search in MEDLINE, EMBASE, the Cochrane Central Register of Controlled Trials, the Cochrane Database of Systematic Reviews, and the Web of Science (from inception to 30 April 2018) was conducted. The inclusion criteria were as follows: adult men, meta-analyses of longitudinal studies, dairy product consumption, and risk of prostate cancer or related outcomes. The AMSTAR2 checklist was used to evaluate methodological quality. The synthesis methods included dairy product exposure (high compared with low consumption or dose-response), dairy product type (total dairy products, milk, cheese, yogurt, and others), and prostate cancer outcomes (total, nonadvanced, and advanced prostate cancer and mortality) displayed in forest plots. Six meta-analyses were identified. These studies reported on the analysis of the 2 to 32 cohorts (up to 848,395 subjects/38,107 cases; 4-28 y of follow-up) and 2 case-control meta-analyses (12,435 subjects). The meta-analysis quality was valued as mostly "good" according to the AMSTAR2 criteria. All RRs of high compared with low consumption (dose-response) for total prostate cancer ranged from 1.68 to 1.09 (1.07 per 400 g/d) for total dairy products, 1.50 to 0.92 (1.06 to 0.98 per 200 g/d) for milk (whole, low-fat, and skim milk considered separately), and 1.18 to 0.74 (1.10 per 50 g/d) for cheese. RRs have decreased since the first meta-analysis. Statistical heterogeneity generates uncertainty in the observed results (up to I2 = 77.1%). In conclusion, although there are some data indicating that higher consumption of dairy products could increase the risk of prostate cancer, the evidence is not consistent. This review was registered with PROSPERO as CRD42018094737.
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Affiliation(s)
| | - Laura M Bermejo
- Hospital La Paz Institute for Health Research (IdiPAZ), Madrid, Spain,Address correspondence to LMB (e-mail: )
| | | | - Iván Cavero-Redondo
- Universidad de Castilla-La Mancha, Health and Social Research Center, Cuenca, Spain
| | - Celia Álvarez-Bueno
- Universidad de Castilla-La Mancha, Health and Social Research Center, Cuenca, Spain
| | - Carmen Gómez-Candela
- Hospital La Paz Institute for Health Research (IdiPAZ), Madrid, Spain,La Paz University Hospital, Madrid, Spain,University Autonoma of Madrid, Madrid, Spain
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50
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Um CY, Prizment A, Hong CP, Lazovich D, Bostick RM. Associations of Calcium, Vitamin D, and Dairy Product Intakes with Colorectal Cancer Risk among Older Women: The Iowa Women's Health Study. Nutr Cancer 2018; 71:739-748. [PMID: 30572720 DOI: 10.1080/01635581.2018.1539188] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Calcium and, to a lesser extent, dairy products are consistently modestly inversely associated with colorectal cancer (CRC). Dairy products may contain components other than calcium and fat, such as insulin-like growth factor-1, that may affect CRC risk. In the prospective Iowa Women's Health Study, calcium, dairy product, and vitamin D intakes were assessed using a semiquantitative food frequency questionnaire. To investigate dairy products independent of their calcium components, we estimated residuals from linear regression models of their associations with dietary calcium. Of the 35,221 55-69-year-old cancer-free women at baseline in 1986, 1,731 developed CRC during follow-up through 2012. For those in the highest relative to the lowest intake quintiles, the adjusted hazards ratios and 95% confidence intervals from multivariable Cox proportional hazards regression models for overall and distal CRC were 0.81 (0.67-0.98; Ptrend = 0.004) and 0.59 (0.44-0.80; Ptrend = 0.003), respectively, for total calcium; and 0.79 (0.66-0.94; Ptrend = 0.01) and 0.69 (0.53-0.90; Ptrend = 0.003) for total dairy products, respectively. The various dairy product residuals were not associated with CRC. These results support that, among women, calcium and dairy products may be inversely associated with CRC-perhaps primarily distal CRC-but suggest that the non-calcium, non-fat component of dairy products may not be associated with CRC.
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Affiliation(s)
- Caroline Y Um
- a Department of Epidemiology, Rollins School of Public Health , Emory University , Atlanta , Georgia , USA
| | - Anna Prizment
- b Division of Epidemiology and Community Health, School of Public Health , University of Minnesota , Minneapolis , Minnesota , USA.,c Masonic Cancer Center, University of Minnesota , Minneapolis , Minnesota , USA
| | - Ching-Ping Hong
- b Division of Epidemiology and Community Health, School of Public Health , University of Minnesota , Minneapolis , Minnesota , USA
| | - DeAnn Lazovich
- b Division of Epidemiology and Community Health, School of Public Health , University of Minnesota , Minneapolis , Minnesota , USA.,c Masonic Cancer Center, University of Minnesota , Minneapolis , Minnesota , USA
| | - Roberd M Bostick
- a Department of Epidemiology, Rollins School of Public Health , Emory University , Atlanta , Georgia , USA.,d Winship Cancer Institute, Emory University , Atlanta , Georgia , USA
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