Shima Abdollahi

Shima Abdollahi
North Khorasan University of Medical Sciences · Health and Nutrition

PhD in Nutrition

About

55
Publications
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517
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Introduction

Publications

Publications (55)
Article
Full-text available
Background Previous researches on the effect of low-fat diet (LF) on insulin-like growth factor-1 (IGF-1), and its binding proteins (IGFBPs) did not reach a consensus result, and there is no study summarizing these findings. Thus, this systematic review and meta-analysis of randomized control trials (RCTs) was performed to pool available evidence a...
Article
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Background Obesity is a major public health issue with no definitive treatment. The first-line approach for obesity is lifestyle modification, including a healthy diet. Although the amount of fat has been considered, there is no network meta-analysis (NMA) study investigating the effect of edible oils on body weight. Therefore, we sought to investi...
Article
Context Current evidence on the effect of a low-fat (LF) diet on depression scores has been inconsistent. Objective To explore the effect of an LF diet on depression scores of adults by systematic review and meta-analysis of randomized controlled trials (RCTs). Data Sources The PubMed, ISI Web of Science, Scopus, and CENTRAL databases were search...
Article
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Background. A growing body of evidence has demonstrated the multiple effects of the individual phenolic antioxidants of grapes. However, it is not clear whether grape and its derivatives exert anti-inflammatory effects. In this systematic review and meta-analysis, we sought to examine the effects of grape/grape products on inflammation and oxidativ...
Article
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Introduction Carbohydrate-restricted diets are one of the most effective dietary interventions for weight loss. However, the optimum carbohydrate intake for implementing the most effective weight-loss interventions is still being discussed. We aimed to determine the optimum carbohydrate intake for short- and long-term weight loss in adults with ove...
Article
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Background: COVID-19 pandemic has evidently influenced people's lifestyle, particularly their health. In this study, the authors examined the association between dietary intake and lifestyle changes, and COVID-19 infection in adults living in Bojnurd, Iran. Methods: In this cross-sectional study conducted on 4425 adults from Bojnurd city, Iran, reg...
Article
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Immune system plays a significant role in preventing and controlling diseases. Some studies reported the beneficial effects of grapes and their products on immunity. However, their results are controversial. This review aimed to discuss the effects of grapes and their products on immune system and their mechanisms of action. Although various in-vio...
Article
Background and aims: Grape consumption-associated improvements in cardiovascular health have received significant attention over the last few years; however, major gaps have remained in the meta-evidence related to this topic. This systematic review and meta-analysis of randomized controlled trials (RCTs) was performed to explore the effect of who...
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Objective The aim of the present study was to assess the effect of probiotic/synbiotic supplementation on anthropometric measures in adults with diabetes, independent of body weight. Methods PubMed, Scopus, Web of Sciences and the Cochrane Library were searched for randomized controlled trials (RCTs) up until December 14, 2022. The effect sizes we...
Article
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Objective Adropin, a newly identified regulatory protein has garnered attention given its potential role in metabolism regulation, especially glucose metabolism and insulin resistance. However, studies on the association between adropin and type 2 diabetes mellitus (T2DM) are equivocal. The aim of this study is to assess the association between ser...
Article
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This study was designed to ascertain whether oral vitamin D supplementation (oral supplementation and fortified foods) is associated with changes in body weight measures in children and adolescents, using a systematic review and meta-analysis of randomized controlled trials (RCTs). PubMed, Scopus, Cochrane, and Web of Science databases were searche...
Article
Whether renal health biomarkers can benefit from resveratrol supplements is unknown. Thus, we conducted a systematic review and meta-analysis to summarize evidence from randomized controlled trials investigating the effect of resveratrol supplementation on renal health biomarkers. We hypothesized that resveratrol supplementation is associated with...
Article
This study aimed to evaluate the effect of resveratrol on liver biomarkers in adult participants, using systematic review and meta‐analysis of randomized controlled trials. PubMed, Scopus, Web of Science and Cochran Library was searched, up to October 2021. The pooled effects were calculated using a random‐effects model and expressed as weighted me...
Article
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Background: Despite the favorable effects of well-known dietary patterns in the treatment of hypertension (HTN), such as the Mediterranean (MED) and Dietary Approach to Stop Hypertension (DASH) diets, it is uncertain if adherence to these diets can reduce the risk of HTN, especially in non-Mediterranean populations. Moreover, none of the previous...
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Almond intake may be correlated with improvements in several cardiometabolic parameters, but its effects are controversial in the published literature, and it needs to be comprehensively summarized. We conducted a systematic search in several international electronic databases, including MEDLINE, EMBASE, Scopus, Web of Science, Cochrane Central Reg...
Article
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Background The aim of this systematic review and meta-analysis was to determine the effect of olive leaf extract (OLE) supplementation on cardiovascular-related variables, including lipid, glycemic, inflammatory, liver and renal-related factors, as well as blood pressure. Methods PubMed, ISI Web of Science, Scopus, and Cochrane library were search...
Article
Background and aims: An emerging body of evidence has demonstrated the beneficial effects of probiotics on various mental health conditions. In this systematic review and meta-analysis, we sought to examine the effects of probiotics supplementation on brain-derived neurotrophic factor (BDNF) in adults. Methods: PubMed, Scopus, ISI Web of Science, a...
Preprint
Full-text available
Objective The aim of the present study was to assess the effect of probiotics/synbiotics supplementation on anthropometric measures in adults with diabetes, regardless of body weight. Methods PubMed, Scopus, Web of Sciences and the Cochrane Library were searched for randomized controlled trials (RCTs) up to February 10, 2021. The effect sizes were...
Article
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Background Patients with type 2 diabetes mellitus (T2DM) are prone to develop non-alcoholic fatty liver disease (NAFLD) and cardiovascular diseases (CVD). We aimed to investigate whether the resveratrol supplementation improves novel hepatic and cardiovascular indices in these patients. Methods We conducted a double-blind, randomized controlled tr...
Article
The association between circulating adropin levels and overweight/obesity is currently unclear. The aim of this study was thus to investigate and seek to determine the association between circulating adropin levels and overweight/obesity using the meta-analysis approach of observational studies. A comprehensive literature search was carried out thr...
Article
Previous studies of the effect of vtamin D on serum levels of fibroblast growth factor- 23 (FGF-23) have yeilded an inconsistent findings. This systematic review and meta-analysis of randomized controlled trials (RCTs) sought to investigate the effect of vitamin D supplementation on serum levels of FGF-23. PubMed, Scopus, ISI Web of Science, and th...
Article
Despite the apparent beneficial effects of probiotics/synbiotics on glucose hemostasis, lipid profile, and inflammatory responses, it is not clear whether these beneficial effects also impact renal and hepatic function in diabetes. Therefore, we sought to assess the effect of probiotics/synbiotics supplementation on renal and liver biomarkers in ad...
Article
Purpose: Calcium and vitamin D co-supplementation is common and widely used, but randomized, controlled trials (RCTs) have yielded inconclusive results concerning its impact on the serum lipid profile. Methods: A comprehensive literature search of Medline, Web of Science, Scopus, Embase, Cochrane Central Register of Controlled Trials, and clinic...
Article
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Oxidative stress (OS), the absence of equilibrium between prooxidants and antioxidants in the body, has been shown to play a pivotal role in the initiation and progression of many diseases. Saffron has been noted for its antioxidant capacity and can be used to improve OS parameters in unhealthy patients. Our aim was to evaluate the efficacy of saff...
Article
Objective We conducted a systematic review and meta-analysis of randomized controlled trials (RCTs) to clarify the effect of vitamin C supplementation on mood in both depressed and non-depressed populations. Methods A systematic search of PubMed, EMBASE, ISI web of science and Scopus databases was conducted, from inception to 1 March 2020. Random...
Article
The present study sought to evaluate the effect of resveratrol supplementation on mRNA expression levels of peroxisome proliferator‐activated receptor alpha (PPARα), p53, p21, p16, and serum levels of cluster of differentiation 163 (CD163) to TNF‐like weak inducer of apoptosis (TWEAK) ratio in patients with type 2 diabetes. In this double‐blind ran...
Article
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Although obesity has been associated with an increased cancer risk in the general population, the association in patients with type 2 diabetes (T2D) remains controversial. We conducted a dose-response meta-analysis of cohort studies of body mass index (BMI) and the risk of total and site-specific cancers in patients with T2D. A systematic literatur...
Article
The aim was to systematically review and meta-analyze prospective cohort studies investigating the relation between maternal dietary patterns during pregnancy with pregnancy and birth outcomes. PubMed, Scopus, and ISI Web of Science were searched from inception until October 2019 for eligible studies. Studies reporting relative risk, ORs, or incide...
Article
Background Although several randomized controlled trials (RCTs) have supported the beneficial effects of higher meal frequency (MF) on cardiometabolic risk factors, the putative effects of higher MF on health remain inconclusive. This study systematically reviewed the evidence from RCTs of the effect of higher compared with lower MF on the blood l...
Article
The present study sought to investigate the effect of micronized resveratrol supplementation on serum levels of asymmetric de‐methyl‐arginine (ADMA) and paraoxonase‐1 (PON1) activity in patients with type 2 diabetes (T2D). In this double‐blinded randomized trial, 76 patients with T2D were recruited. Participants were randomly assigned to consume 1,...
Article
Purpose There is equivocality regarding the interaction between vitamin D and insulin-like growth factor-1 (IGF-1). Thus, the aim of this study was to elucidate the effect of vitamin D supplementation on serum levels of IGF-1 by conducting a systematic review and meta-analysis of randomized controlled trials (RCTs). Methods PubMed, Scopus, and ISI...
Article
The aim of this study was to determine the effect of zinc supplementation on anthropometric measures. In this systematic review and dose–response meta-analysis, we searched PubMed, Scopus, ISI Web of Science, and the Cochrane Library from database inception to August 2018 for relevant randomized controlled trials. Mean differences and SDs for each...
Article
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Introduction Over the past decades, the number of people with type 2 diabetes (T2D) has increased globally. One of the major complications in these patients is cardiovascular disease; it seems that the cell proliferation inhibition can improve vascular function in these patients. It is proposed that peroxisome proliferator-activated receptor alpha...
Article
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ARTICLE INFO ABSTRACT ORIGINAL ARTICLE Background: Gestational diabetes mellitus (GDM) is known as a degree of glucose intolerance that occurs for the first time during pregnancy. There is paucity of evidence regarding the effect of oat bran on GDM. Oat as a source of β-glucan can be effective in reducing the blood sugar levels. This study aimed to...
Article
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Background: This review aimed to express the exact role of nutrition components including carbohydrates, fats, proteins and other dietary factors such as probiotics, micro and macro nutrients and the life pattern including body weight in the development of dental caries. Methods: Carbohydrate”, “fat”, “protein”, “vitamin and mineral”, “probiotics”...
Article
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Background: Chronic kidney disease (CKD) is a progressive condition that affects many aspects of patient’s life with adverse outcomes of kidney failure, cardiovascular disease (CVD), and premature death. Malnutrition is a relatively common problem in these patients that may be the result of inadequate intake, increased catabolism, or loss of nutrie...
Article
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Objective: The present study investigated the effects of docosahexaenoic acid (DHA)-enriched fish oil supplement on telomerase activity, mRNA expression of P16(INK), IL-6, and TNF-α considering Pro12Ala polymorphism in the PPARγ gene. Methods/design: In this double-blind randomized controlled trial, 72 PPARγ Pro12Ala polymorphism genotyped type...
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Abstract Background: The prevalence of elderly obesity is increasing worldwide. Obesity has great effects on quality of life (QoL). The present study aimed to investigate the association between obesity and QoL among the elderly, in Tehran, Iran. Method: In this cross-sectional study (observational) who conducted in 2014 at Tehran city, Iran, total...
Article
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2 Introduction lthough, at the beginning of the twentieth century, cardiovascular diseases (CVD) were responsible for less than 10% of all mortalities in the world, recent studies have estimated that this ratio has reached to A ABSTRACT Background: According to the high prevalence of cardiovascular diseases (CVD) in developing countries as well as...
Article
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Abstract: (124 View) Background: In recent decades, studies on type 2 diabetes (T2D), have adopted a new approach to the field of a more complete collection of variables related to the lifestyles and diet of people. Diet is an important factor in increasing the rate of T2D among individuals. Considering the consumption of a high-carbohydrate diet,...
Article
Introduction: Food insecurity is a global problem with considerable health impacts and is especially important in children as it can affect their learning ability. Objective: The present study was designed to determine household food insecurity status, intelligence quotients (IQ) and their associations with some relevant factors in village of Qehi...
Article
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Background: Previous studies on diet have primarily focused on individual nutrients or foods. Recently, the analysis of dietary patterns has emerged as a possible approach for examining food consumption. A literature review revealed no studies of dietary patterns in elderly Iranians.. Objectives: Our objective was to identify the major dietary int...
Article
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Background: Leptin is one of the important cell signaling hormones and product of obesity gene that affects food intake, appetite, body weight, and insulin function. This study aimed to investigate the relationship between leptin and obesity indices, metabolic profile, and dietary intakes in normal weight young subjects. Subjects and methods: In th...

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