Ram Reifen

Summary

Affiliation: The Hebrew University
Country: Israel

Publications

  1. ncbi request reprint Vitamin A deficiency aggravates rotavirus infection in CD-1 mice through extensive involvement of the gut
    Ram Reifen
    The School of Nutritional Sciences, The Faculty of Agricultural, Food and Environmental Quality Sciences, The Hebrew University of Jerusalem, Rehovot, Israel 76100
    Int J Vitam Nutr Res 74:355-61. 2004
  2. ncbi request reprint Ethiopian-born and native Israeli school children have different growth patterns
    Ram Reifen
    School of Nutritional Sciences and the Department of Animal Sciences, The Hebrew University, Rehovot, Israel
    Nutrition 19:427-31. 2003
  3. ncbi request reprint Lycopene supplementation attenuates the inflammatory status of colitis in a rat model
    R Reifen
    School of Nutritional Sciences, Hebrew University of Jerusalem, Rehovot, Israel
    Int J Vitam Nutr Res 71:347-51. 2001
  4. ncbi request reprint Plasma and buccal mucosal cell response to short-term supplementation with all trans-beta-carotene and lycopene in human volunteers
    Ram Reifen
    The School of Nutritional Sciences, The Hebrew University of Jerusalem, PO Box 12, Rehovot 76100, Israel
    Int J Mol Med 12:989-93. 2003
  5. ncbi request reprint Vitamin A deficiency exacerbates inflammation in a rat model of colitis through activation of nuclear factor-kappaB and collagen formation
    R Reifen
    School of Nutritional Sciences, The Hebrew University of Jerusalem, Rehovot, Israel
    J Nutr 132:2743-7. 2002
  6. ncbi request reprint Vitamin A as an anti-inflammatory agent
    Ram Reifen
    The School of Nutritional Sciences, The Hebrew University of Jerusalem, PO Box 12, Rehovot 76100, Israel
    Proc Nutr Soc 61:397-400. 2002
  7. ncbi request reprint Oral cancer cells differ from normal oral epithelial cells in tissue like organization and in response to lycopene treatment: an organotypic cell culture study
    Orly Livny
    Institute of Biochemistry, Food Science and Nutrition, Faculty of Agricultural, Food and Environmental Quality Sciences, The Hebrew University of Jerusalem, Rehovot, 76100, Israel
    Nutr Cancer 47:195-209. 2003
  8. doi request reprint Multistep mechanism of probiotic bacterium, the effect on innate immune system
    Einat Amit-Romach
    Department of Animal Science, The Robert H Smith Faculty of Agriculture, Food and Environment, The Hebrew University of Jerusalem, Rehovot 76100, Israel
    Mol Nutr Food Res 54:277-84. 2010
  9. ncbi request reprint Dietary iron affects inflammatory status in a rat model of colitis
    Ram Uritski
    School of Nutritional Sciences, The Hebrew University of Jerusalem, Rehovot, Israel
    J Nutr 134:2251-5. 2004
  10. ncbi request reprint Vitamin A exerts its activity at the transcriptional level in the small intestine
    Gidi Zaiger
    School of Nutritional Sciences, The Faculty of Agricultural, Food and Environmental Quality Sciences, The Hebrew University of Jerusalem, Rehovot 76100, Israel
    Eur J Nutr 43:259-66. 2004

Collaborators

Detail Information

Publications41

  1. ncbi request reprint Vitamin A deficiency aggravates rotavirus infection in CD-1 mice through extensive involvement of the gut
    Ram Reifen
    The School of Nutritional Sciences, The Faculty of Agricultural, Food and Environmental Quality Sciences, The Hebrew University of Jerusalem, Rehovot, Israel 76100
    Int J Vitam Nutr Res 74:355-61. 2004
    ..01) increased and lasted longer than in controls. We conclude that vitamin A deficiency aggravates the course of RV infection through both small intestinal and colonic damage...
  2. ncbi request reprint Ethiopian-born and native Israeli school children have different growth patterns
    Ram Reifen
    School of Nutritional Sciences and the Department of Animal Sciences, The Hebrew University, Rehovot, Israel
    Nutrition 19:427-31. 2003
    ..The aim of the study was to determine the growth patterns of immigrant children after changes in their nutritional habits...
  3. ncbi request reprint Lycopene supplementation attenuates the inflammatory status of colitis in a rat model
    R Reifen
    School of Nutritional Sciences, Hebrew University of Jerusalem, Rehovot, Israel
    Int J Vitam Nutr Res 71:347-51. 2001
    ..Therefore, we propose that the dietary supplementation of lycopene may be an effective approach for reducing the level of oxidative stress and improving the inflammatory status of colitis...
  4. ncbi request reprint Plasma and buccal mucosal cell response to short-term supplementation with all trans-beta-carotene and lycopene in human volunteers
    Ram Reifen
    The School of Nutritional Sciences, The Hebrew University of Jerusalem, PO Box 12, Rehovot 76100, Israel
    Int J Mol Med 12:989-93. 2003
    ..If desquamated buccal mucosal cells reflect habitual plasma carotenoid concentration then it is not an appropriate tissue for the measurement of acute changes...
  5. ncbi request reprint Vitamin A deficiency exacerbates inflammation in a rat model of colitis through activation of nuclear factor-kappaB and collagen formation
    R Reifen
    School of Nutritional Sciences, The Hebrew University of Jerusalem, Rehovot, Israel
    J Nutr 132:2743-7. 2002
    ..Colitis is amplified by deficiency and ameliorated by supplementation of the vitamin. These findings have implications for the management of inflammatory bowel disease...
  6. ncbi request reprint Vitamin A as an anti-inflammatory agent
    Ram Reifen
    The School of Nutritional Sciences, The Hebrew University of Jerusalem, PO Box 12, Rehovot 76100, Israel
    Proc Nutr Soc 61:397-400. 2002
    ..The two main mechanisms which appear to be involved in the prevention of disease are the effects of vitamin A on the immune system and the effect on epithelial integrity...
  7. ncbi request reprint Oral cancer cells differ from normal oral epithelial cells in tissue like organization and in response to lycopene treatment: an organotypic cell culture study
    Orly Livny
    Institute of Biochemistry, Food Science and Nutrition, Faculty of Agricultural, Food and Environmental Quality Sciences, The Hebrew University of Jerusalem, Rehovot, 76100, Israel
    Nutr Cancer 47:195-209. 2003
    ..We conclude that lycopene is a promising chemopreventive, pro-differentiating, and anticarcinogenic agent. No adverse effects of lycopene were detected in normal cells cultured in either monolayer or organotypic systems...
  8. doi request reprint Multistep mechanism of probiotic bacterium, the effect on innate immune system
    Einat Amit-Romach
    Department of Animal Science, The Robert H Smith Faculty of Agriculture, Food and Environment, The Hebrew University of Jerusalem, Rehovot 76100, Israel
    Mol Nutr Food Res 54:277-84. 2010
    ..These results provide additional support for the positive effect of probiotics in the gut and may shed light on the mechanism by which probiotic bacteria exert their action in an animal model...
  9. ncbi request reprint Dietary iron affects inflammatory status in a rat model of colitis
    Ram Uritski
    School of Nutritional Sciences, The Hebrew University of Jerusalem, Rehovot, Israel
    J Nutr 134:2251-5. 2004
    ..In conclusion, we suggest that low rather than normal or high iron supplementation should be considered for the treatment of iron deficiency in inflammatory bowel disease...
  10. ncbi request reprint Vitamin A exerts its activity at the transcriptional level in the small intestine
    Gidi Zaiger
    School of Nutritional Sciences, The Faculty of Agricultural, Food and Environmental Quality Sciences, The Hebrew University of Jerusalem, Rehovot 76100, Israel
    Eur J Nutr 43:259-66. 2004
    ..was to examine the effects of vitamin-A deficiency on the small intestinal morphology and on brush-border enzyme function and expression...
  11. ncbi request reprint Mucosal function in rat jejunum and ileum is altered by induction of colitis
    Einat Amit-Romach
    Department of Animal Science, Faculty of Agricultural, Food and Environmental Quality Sciences, The Hebrew University of Jerusalem, Rehovot 76100, Israel
    Int J Mol Med 18:721-7. 2006
    ..Involvement of the ileum and jejunum in TNBS-induced colitis may be related to the systemic reaction of the immune system and mucosa to colitis...
  12. ncbi request reprint 5-ASA and lycopene decrease the oxidative stress and inflammation induced by iron in rats with colitis
    Ram Reifen
    The School of Nutritional Sciences, The Hebrew University of Jerusalem, Jerusalem, Israel
    J Gastroenterol 39:514-9. 2004
    ..This study was designed to examine the influence of iron supplementation on histological expression and oxidative status relative to 5-ASA treatment and antioxidant treatment...
  13. doi request reprint Bacterial population and innate immunity-related genes in rat gastrointestinal tract are altered by vitamin A-deficient diet
    Einat Amit-Romach
    Department of Animal Science, The Faculty of Agricultural, Food and Environmental Quality Sciences, The Hebrew University of Jerusalem, Rehovot 76100, Israel
    J Nutr Biochem 20:70-7. 2009
    ..The current study indicates that vitamin A deficiency interferes with the integrity of the gastrointestinal mucosal barrier...
  14. doi request reprint Therapeutic potential of two probiotics in inflammatory bowel disease as observed in the trinitrobenzene sulfonic acid model of colitis
    Einat Amit-Romach
    Department of Animal Science, The Faculty of Agricultural, Food and Environmental Quality Sciences, The Hebrew University of Jerusalem, Rehovot, Israel
    Dis Colon Rectum 51:1828-36. 2008
    ....
  15. ncbi request reprint Dietary intake of pilots in the Israeli Air Force
    Aliza H Stark
    Faculty of Agricultural, Food, and Environmental Quality Sciences, School of Nutritional Sciences, The Hebrew University of Jerusalem, Rehovot, Israel
    Mil Med 173:780-4. 2008
    ..Overall, the diet of Israeli pilots was found to be well balanced, but negative dietary patterns (i.e., high cholesterol intake and low fiber intake) characteristic of the general population were observed in this group...
  16. ncbi request reprint Computed tomographic analysis of calvarial hyperostosis in captive lions
    Ruth Gross-Tsubery
    Koret School of Veterinary Medicine, Hebrew University of Jerusalem, Rehovot 76100, Israel
    Vet Radiol Ultrasound 51:34-8. 2010
    ..CT is useful for detection of the calvarial abnormalities in lions and may be useful in further defining this syndrome...
  17. ncbi request reprint Needle biopsy for hepatic vitamin A levels in lions (Panthera leo)
    Merav H Shamir
    Neurology and Neurosurgery Service, Hebrew University Veterinary Teaching Hospital, Koret School of Veterinary Medicine, Hebrew University of Jerusalem, P O Box 12, 76100 Rehovot, Israel
    J Zoo Wildl Med 43:207-13. 2012
    ..In conclusion, the percutaneous needle liver biopsy technique is a reliable, practical, safe tool for obtaining liver tissue samples antemortem for assessment of the VA status in lions and can be used in future studies...
  18. ncbi request reprint Effect of nutrition on growth in short stature before and during growth-hormone therapy
    Zvi Zadik
    Pediatric Endocrine Unit, Kaplan Hospital, Rehovot 76100, Israel
    Pediatrics 116:68-72. 2005
    ..The objective of this study was to study the effect of caloric intake on growth before and during GH therapy...
  19. ncbi request reprint Beta-carotene bioavailability from differently processed carrot meals in human ileostomy volunteers
    Orly Livny
    Institute of Biochemistry, Food Science and Nutrition, Faculty of Agricultural, Food and Environmental Quality Sciences, The Hebrew University of Jerusalem, 76100, Rehovot, Israel
    Eur J Nutr 42:338-45. 2003
    ..Carotenoids contribute to the beneficial effects of fruits and vegetables consumption; however, the bioavailability of these compounds from fresh or processed foods is not well established...
  20. ncbi request reprint High selenium diet protects against TNBS-induced acute inflammation, mitochondrial dysfunction, and secondary necrosis in rat colon
    Oren Tirosh
    The School of Nutritional Sciences, Institute of Biochemistry, Food Science and Nutrition, Faculty of Agricultural, Food and Environmental Quality Sciences, The Hebrew University of Jerusalem, Rehovot, Israel
    Nutrition 23:878-86. 2007
    ..We studied the protective effects of selenium in a rat model of 2,4,6-trinitrobenzene sulfonic acid (TNBS)-induced colitis to elucidate a possible mechanism of action...
  21. doi request reprint Dietary acculturation and increasing rates of obesity in Ethiopian women living in Israel
    Hadas Regev-Tobias
    The Hebrew University of Jerusalem, The Robert H Smith Faculty of Agriculture, Food and Environment, Institute of Biochemistry, Food Science and Nutrition, Rehovot, Israel
    Nutrition 28:30-4. 2012
    ..This study investigated changes in nutritional status and eating behaviors in female Ethiopian immigrants in Israel...
  22. ncbi request reprint DNA microarray technology reveals similar gene expression patterns in rats with vitamin a deficiency and chemically induced colitis
    Talia Nur
    The School of Nutritional Sciences, The Hebrew University of Jerusalem, 76100 Rehovot, Israel
    J Nutr 132:2131-6. 2002
    ..Further investigation is required to elucidate the importance of each of the regulated genes to the pathology of colitis and vitamin A inadequacy...
  23. ncbi request reprint Vitamin A deficiency induces morphometric changes and decreased functionality in chicken small intestine
    Z Uni
    Department of Animal Science, Faculty of Agriculture, Food and Environmental Quality Sciences, Hebrew University of Jerusalem, Rehovot, Israel
    Br J Nutr 80:401-7. 1998
    ..The evidence presented in our paper suggests that the low vitamin A supply interferes with the normal activity of chicken intestinal mucosa as it influences the processes of proliferation and maturation of enterocytes...
  24. ncbi request reprint Vitamin A deficiency interferes with proliferation and maturation of cells in the chicken small intestine
    Z Uni
    Department of Animal Sciences, The Faculty of Agricultural, Food and Environmental Quality Services, The Hebrew University of Jerusalem, Rehovot, Israel
    Br Poult Sci 41:410-5. 2000
    ....
  25. ncbi request reprint Quantitative trait loci governing carotenoid concentration and weight in seeds of chickpea (Cicer arietinum L.)
    S Abbo
    Institute of Plant Science and Genetics in Agriculture, The Hebrew University of Jerusalem, Rehovot, Israel
    Theor Appl Genet 111:185-95. 2005
    ..The results of this investigation may assist in improving the nutritional quality of chickpea...
  26. ncbi request reprint Adult height and weight of breast-fed and bottle-fed Israeli infants
    Zvi Zadik
    The Pediatric Endocrine Unit, Kaplan Medical Center, Hadassah Medical School, Rehovot, Israel
    J Pediatr Gastroenterol Nutr 37:462-7. 2003
    ..Breast-fed infants grow more slowly than bottle-fed infants. This growth deceleration sometimes alarms health care personnel to the point of considering other forms of nutrition...
  27. ncbi request reprint Lycopene inhibits proliferation and enhances gap-junction communication of KB-1 human oral tumor cells
    Orly Livny
    Institute of Biochemistry, Food Science and Nutrition, Faculty of Agricultural, Food and Environmental Quality Sciences, The Hebrew University of Jerusalem, Rehovot 76100, Israel
    J Nutr 132:3754-9. 2002
    ..The results of the present study further support the hypothesis that carotenoids in general, and lycopene in particular, may be effective anticarcinogenic agents in oral carcinogenesis...
  28. doi request reprint Update on alpha-linolenic acid
    Aliza H Stark
    The Hebrew University of Jerusalem, Faculty of Agricultural, Food and Environmental Quality Sciences, Institute of Biochemistry, Food Science and Nutrition, School of Nutritional Sciences, Rehovot, Israel
    Nutr Rev 66:326-32. 2008
    ..Recommended levels for ALA intake have been set, yet the possible advantages of its consumption are just being revealed...
  29. ncbi request reprint ROS-production-mediated activation of AP-1 but not NFkappaB inhibits glutamate-induced HT4 neuronal cell death
    Michal Aharoni-Simon
    The School of Nutritional Sciences, Institute of Biochemistry, Food Science and Nutrition, Faculty of Agricultural, Food and Environmental Quality Sciences, The Hebrew University of Jerusalem, Israel
    Antioxid Redox Signal 8:1339-49. 2006
    ..Thus, although ROS are significant to the cell-death effect induced by glutamate, they also activate protective pathways mediated by increasing AP-1 activity, and not that of NFkappaB...
  30. ncbi request reprint The significance of routine duodenal biopsies in pediatric patients undergoing upper intestinal endoscopy
    Michal Kori
    The Pediatric Gastroenterology and Nutrition Pathology Department, Kaplan Hospital, Rehovot, Israel
    J Clin Gastroenterol 37:39-41. 2003
    ..To determine the significance of performing routine duodenal biopsies during upper intestinal endoscopy in a pediatric population and to evaluate their contribution to the overall diagnosis...
  31. ncbi request reprint Sub-occipital craniectomy in a lion (Panthera leo) with occipital bone malformation and hypovitaminosis A
    Merav H Shamir
    Neurology and Neurosurgery Service, Koret School of Veterinary Medicine, The Hebrew University of Jerusalem, P O Box 12, 76100 Rehovot, Israel
    J Zoo Wildl Med 39:455-9. 2008
    ..While conservative treatment failed, suboccipital craniectomy removed the thickened occipital bone and was demonstrated to be a successful surgical intervention that can be used to treat more severely affected lions...
  32. ncbi request reprint Weight gain reduction in mice fed Panax ginseng saponin, a pancreatic lipase inhibitor
    Naama Karu
    Institute of Biochemistry, Food Science and Nutrition, and The Otto Warburg Minerva Center for Agricultural Biotechnology, The Faculty of Agricultural, Food and Environmental Quality Sciences, The Hebrew University of Jerusalem, Rehovot, Israel
    J Agric Food Chem 55:2824-8. 2007
    ..These metabolic effects of the ginseng saponins may be mediated by inhibition of pancreatic lipase activity...
  33. ncbi request reprint Vitamin A and iron supplementation is as efficient as hormonal therapy in constitutionally delayed children
    Z Zadik
    Pediatric Endocrine Unit, Kaplan Medical Center, Rehovot, Israel
    Clin Endocrinol (Oxf) 60:682-7. 2004
    ..To assess the effect of nutritional supplementation on growth and puberty in constitutionally delayed children...
  34. ncbi request reprint Vitamin A during pregnancy
    R Reifen
    The School of Nutritional Sciences, The Hebrew University of Jerusalem, Israel
    Nutr Health 15:237-43. 2001
    ..A review of the current knowledge and prospects for future research is presented...
  35. ncbi request reprint "Functional food" for acceleration of growth in short children born small for gestational age
    Z Zadik
    The School of Nutritional Sciences, The Hebrew University of Jerusalem, Israel
    J Pediatr Endocrinol Metab 23:435-41. 2010
    ..To assess the effect of nutritional supplementation on growth in short children born small for gestational age (SGA)...
  36. ncbi request reprint Pyrrolidine dithiocarbamate protects against thioacetamide-induced fulminant hepatic failure in rats
    Rafael Bruck
    Department of Gastroenterology, E Wolfson Medical Center, 58100, Holon, Israel
    J Hepatol 36:370-7. 2002
    ....
  37. ncbi request reprint Repeated allergen challenge in rats increases vitamin A consumption
    David Shoseyov
    Pediatric Pulmonology Clinic, Bikur Cholim Hospital, Haddasa Medical School, Jerusalem, Israel
    Chest 122:1407-11. 2002
    ..Vitamin A plays an important role in airways epithelial repair and differentiation. Allergen challenge induces epithelial damage and shedding, which cause an increase in repair activity...
  38. ncbi request reprint Inequality of international public health
    Michael Crawford
    Lancet 359:258-9. 2002
  39. ncbi request reprint Longitudinal monitoring of bone measured by quantitative multisite ultrasound in patients with Crohn's disease
    Zvi Zadik
    Pediatric Endocrine Unit, Kaplan Medical Center, Hadassah Medical School, Jerusalem, Israel
    J Clin Gastroenterol 39:120-3. 2005
    ..This may cause a suboptimal peak bone mass and thereby susceptibility to osteoporosis at an early age...
  40. ncbi request reprint The pattern of sesame sensitivity among infants and children
    Ilan Dalal
    Pediatric Allergy and Clinical Immunology Unit, Hebrew University, Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
    Pediatr Allergy Immunol 14:312-6. 2003
    ..Although sesame products have become fashionable in westernized countries, early exposure may cause sesame to share eventually the same 'noteriety and fate' as peanut - a major cause of severe food allergic reactions...
  41. ncbi request reprint Longitudinal monitoring of bone accretion measured by quantitative multi-site ultrasound (QUS) of bones in patients with delayed puberty (a pilot study)
    Zvi Zadik
    The Pediatric Endocrine Unit, Kaplan Medical Center, Hadassah Medical School, 76100 Rehovot, Israel
    Osteoporos Int 16:1036-41. 2005
    ..to compare the effect of anabolic agents on bone accretion in boys with constitutional delay of puberty (CGDP)...