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        The Effect of Arginine Intake on Colorectal Cancer: a Systematic Review of Literatures

        ( Jahangir Karimian ),( Amir Hadi ),( Ammar Salehi-sahlabadi ),( Marzieh Kafeshani ) 한국임상영양학회 2019 Clinical Nutrition Research Vol.8 No.3

        Colorectal cancer (CRC) is one of the major reasons of mortality in the worldwide. There is clear evidence that some amino acids such as arginine can improve CRC and its complications. Hence, in this systematic review we evaluated the association between arginine intake and CRC improvement. We searched the PubMed, Scopus, ISI Web of Science, Cochrane library, and Google Scholar databases by using proper keywords to find the relevant literatures, published to March 2019. Nine human studies of 523 screened articles were included in present systematic review. The majority of studies have found a positive association between consumption of arginine and CRC improvement. Increased inducible nitric oxide (NO) synthase expression and subsequently increasing the NO concentration in the tumor and/or serum, after arginine intake may be responsible for these protective effects. Also, arginine consumption may reduce cell proliferation in CRC and it can enhance immune function after remove the tumor. Although the benefits of arginine consumption in CRC patients were reported in previous trials, the finding need replication in well-designed studies before final conclusion.

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        Food Security and Its Association with Social Support in the Rural Households: A Cross-Sectional Study

        Amin Mokari-Yamchi,Ayoub Faramarzi,Ammar Salehi-Sahlabadi,Meisam Barati,Delaram Ghodsi,Masoumeh Jabbari,Azita Hekmatdoost 한국식품영양과학회 2020 Preventive Nutrition and Food Science Vol.25 No.2

        Food insecurity is a major and multidimensional global problem, particularly in rural and vulnerable areas. In this cross-sectional study, we aimed to identify the relationship between social support and food insecurity in 404 Iranian rural households. We selected the sample by cluster random sampling and collected data using three questionnaires [demographic, Multidimensional Perceived Social Support Scale (MSPSS), and United States Department of Agriculture food security questionnaires] and analyzed data using chi-square tests and logistic regression (using SPSS version 19.0). Of the 404 Iranian households, 168 (41.6%) were classified as food secure. The logistic regression analysis revealed that education and job status of the household heads and household income were significantly associated with food security status. Additionally, perceived social support was protective against food insecurity after adjusting for confounding factors [compared with the first quartile, second quartile odds ratio (OR)=1.76, 95% confidence interval (CI): 0.94∼3.3 and fourth quartile OR=2.21, 95% CI: 1.13∼4.33]. This study indicated that social support contributes to a reduced chance of food insecurity in rural households. These results suggest that policy makers should focus on strengthening social support in vulnerable communities to help protect against hunger and poverty.

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