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The effects of a fibre-enriched bakery product on glucose, insulin values and appetite. A pilot randomised cross-over trial.
Ponzo, V, Ojeda-Mercado, D, Finocchiaro, C, Goitre, I, Favaro, E, Lamberti, L, Bo, S
International journal of food sciences and nutrition. 2024;:1-9
Abstract
Brewers spent grain (BSG) is a valuable source of arabinoxylans with potential beneficial effects on glucose values. This pilot randomised crossover double-blind trial compared the effects of panettone, a sweet baked-product, enriched with BSG-fibre (p-rich) to unenriched panettone (p-standard) on glucose and insulin blood values and appetite scores. Ten healthy volunteers consumed each food in a random order. Blood variables and appetite scores were assessed at fasting and at different intervals after each food consumption. Glucose values were significantly higher after p-standard intake at 90-min (89.9 ± 16.1 vs 74.6 ± 19.4 mg/dL) and 120-min (81.1 ± 9.85 vs 72.1 ± 14.0 mg/dL). The areas-under-the-curve (AUCs) were lower for both glucose (p = .043) and insulin values (p = .036) with p-rich. At 240-min, satiety was higher (p = .006), and desire-to-eat lower (p = .008) with p-rich; desire-to-eat AUC was lower with p-rich too (p = .029). The integration of a small amount of BSG-derived fibre into a sweet food led to improved glycaemic control and appetite regulation.
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Targeting Gut Microbiota in Cancer Cachexia: Towards New Treatment Options.
Panebianco, C, Villani, A, Potenza, A, Favaro, E, Finocchiaro, C, Perri, F, Pazienza, V
International journal of molecular sciences. 2023;(3)
Abstract
Cancer cachexia is a complex multifactorial syndrome whose hallmarks are weight loss due to the wasting of muscle tissue with or without the loss of adipose tissue, anorexia, systemic inflammation, and multi-organ metabolic alterations, which negatively impact patients' response to anticancer treatments, quality of life, and overall survival. Despite its clinical relevance, cancer cachexia often remains an underestimated complication due to the lack of rigorous diagnostic and therapeutic pathways. A number of studies have shown alterations in gut microbiota diversity and composition in association with cancer cachexia markers and symptoms, thus supporting a central role for dysbiosis in the pathogenesis of this syndrome. Different tools of microbiota manipulation, including probiotics, prebiotics, synbiotics, and fecal microbiota transplantation, have been investigated, demonstrating encouraging improvements in cachexia outcomes. Albeit pioneering, these studies pave the way for future research with the aim of exploring the role of gut microbiota in cancer cachexia more deeply and setting up effective microbiota-targeting interventions to be translated into clinical practice.
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SINPE Position Paper on the use of home parenteral nutrition in cancer patients.
Bozzetti, F, Caccialanza, R, Cotogni, P, Finocchiaro, C, Pironi, L, Santarpia, L, Zanetti, M
Supportive care in cancer : official journal of the Multinational Association of Supportive Care in Cancer. 2022;(4):2909-2914
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Nutritional Interventions for Patients with Melanoma: From Prevention to Therapy-An Update.
Pellegrini, M, D'Eusebio, C, Ponzo, V, Tonella, L, Finocchiaro, C, Fierro, MT, Quaglino, P, Bo, S
Nutrients. 2021;(11)
Abstract
Melanoma is an aggressive skin cancer, whose incidence rates have increased over the past few decades. Risk factors for melanoma are both intrinsic (genetic and familiar predisposition) and extrinsic (environment, including sun exposure, and lifestyle). The recent advent of targeted and immune-based therapies has revolutionized the treatment of melanoma, and research is focusing on strategies to optimize them. Obesity is an established risk factor for several cancer types, but its possible role in the etiology of melanoma is controversial. Body mass index, body surface area, and height have been related to the risk for cutaneous melanoma, although an 'obesity paradox' has been described too. Increasing evidence suggests the role of nutritional factors in the prevention and management of melanoma. Several studies have demonstrated the impact of dietary attitudes, specific foods, and nutrients both on the risk for melanoma and on the progression of the disease, via the effects on the oncological treatments. The aim of this narrative review was to summarize the main literature results regarding the preventive and therapeutic role of nutritional schemes, specific foods, and nutrients on melanoma incidence and progression.
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Gut microbiota composition after diet and probiotics in overweight breast cancer survivors: a randomized open-label pilot intervention trial.
Pellegrini, M, Ippolito, M, Monge, T, Violi, R, Cappello, P, Ferrocino, I, Cocolin, LS, De Francesco, A, Bo, S, Finocchiaro, C
Nutrition (Burbank, Los Angeles County, Calif.). 2020;:110749
Abstract
OBJECTIVES Breast cancer (BC) is the most diagnosed cancer in women. Increasing survival rates shift attention to preventive strategies. Obesity and intestinal microbiota composition may be associated with BC. A Mediterranean diet (MD) proved to be protective. The aim of this study was to assess the efficacy of probiotics in addition to an MD versus diet alone in influencing gut microbiota and metabolic profile in overweight BC survivors. METHODS A total of 34 BC survivors were randomly assigned to an MD for 4 mo plus 1 sachet/d of probiotics (Bifidobacterium longum BB536, Lactobacillus rhamnosus HN001) for the first 2 mo (intervention group, n = 16) or an MD alone for 4 mo (control group, n = 18). Anthropometric and nutritional assessments, adherence to the MD, compliance with physical activity, and metabolic parameters dosage were performed at baseline (T0), at 2 mo (T2), and at 4 mo (T4). Intestinal microbiota analysis was performed at T0 and T2. RESULTS After 2 mo of probiotic administration the number of bacterial species (P = 0.01) and the bacterial diversity assessed with the Chao1 index (P = 0.004) significantly increased; no significant variations were detected after diet alone. The Bacteroidetes-to-Firmicutes ratio significantly decreased in the intervention group and increased in controls (P = 0.004). Significant reductions of body weight, body mass index, fasting glucose, and homeostasis model assessment of insulin resistance were identified at T4 in both groups; in the intervention group waist circumference (P = 0.012), waist-to-hip ratio (P = 0.045), and fasting insulin (P = 0.017) also significantly decreased. CONCLUSIONS Probiotics in addition to an MD positively influence gut microbiota and improve metabolic and anthropometric parameters compared with an MD alone.
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Diet-Gut Microbiota Interactions and Gestational Diabetes Mellitus (GDM).
Ponzo, V, Fedele, D, Goitre, I, Leone, F, Lezo, A, Monzeglio, C, Finocchiaro, C, Ghigo, E, Bo, S
Nutrients. 2019;11(2)
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Plain language summary
Gestational diabetes mellitus (GDM) is an increasing public health concern that affects approximately 5-20% of pregnancies with rising prevalence. The potential impact of specific dietary interventions on the gut bacteria composition and function are of considerable interest to prevent and treat GDM. The aim of the study was to analyse the changes in the gut microbiota and the diet-microbiota interactions occurring during healthy pregnancies and pregnancies complicated by GDM. This study is a systemic review. Literature shows that pregnancies complicated with GDM may have an impaired gut microbiota, and this microbiota can be transmitted to the offspring. Diets can shape the gut microbiota, in fact dietary changes can rapidly change the gut microbiota. However, it generally reverts to the original status with short-term dietary modifications. Authors conclude that the optimal nutritional strategy in GDM patients remains unresolved. It is important that the potential benefits of diet are taken into consideration.
Abstract
Medical nutritional therapy is the first-line approach in managing gestational diabetes mellitus (GDM). Diet is also a powerful modulator of the gut microbiota, whose impact on insulin resistance and the inflammatory response in the host are well known. Changes in the gut microbiota composition have been described in pregnancies either before the onset of GDM or after its diagnosis. The possible modulation of the gut microbiota by dietary interventions in pregnancy is a topic of emerging interest, in consideration of the potential effects on maternal and consequently neonatal health. To date, very few data from observational studies are available about the associations between diet and the gut microbiota in pregnancy complicated by GDM. In this review, we analyzed the available data and discussed the current knowledge about diet manipulation in order to shape the gut microbiota in pregnancy.