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PubMed2006

Metabolic adjustments to varying protein intake in harbor seals (Phoca vitulina): evidence from serum free amino acids.

Effects of varying dietary protein intake on serum free amino acid (FAA) concentrations were studied in harbor seals (Phoca vitulina) fed two different prey fish diets: either exclusively low-fat, high-protein walleye pollock (Theragra chalcogramma) or high-fat, relatively high-energy-density Pacific herring (Clupea pallasi). Significant differences in FAA concentrations and patterns were observed between the two diets. All essential amino acids (EAA), except methionine and phenylalanine, and two nonessential amino acids (NEAA), glycine and tyrosine, decreased when the diet was switched from herring to pollock and increased on switching back to herring. Both total EAA concentrations and EAA : NEAA ratios decreased with the elevated protein intake typical of a low-fat pollock diet, indicating an inverse correlation between EAA concentrations and dietary protein intake levels. We propose that differing dietary protein intake, caused by differences in macronutrient composition of the two prey fish species, induced a change in protein metabolism that was reflected in blood-circulating amino acids. These findings suggest that surveys of amino acid profiles may be useful to partially determine the protein metabolic status of harbor seals.

Amino Acids↗
PubMed2000

The effect of protein-energy malnutrition on development of hypertension, glucose metabolism and insulin sensitivity in genetically hypertensive rats.

BACKGROUND AND AIM: The objective of the study was to elucidate the beneficial effect of protein-energy malnutrition (PEM) on development of hypertension in a genetic model of salt-sensitive hypertensive rats by evaluation of glucose metabolism and insulin sensitivity. METHODS AND RESULTS: Dahl Salt-Resistant (DSR) and Salt-Sensitive (DSS) rats were subjected to a low-protein (LP) diet (protein--5.8%, sucrose--51% and fat--7%) for 2 months. Two DSR and DSS groups on a normal protein (NP) diet and pair-fed animals served as controls. Glucose metabolism and insulin sensitivity were assessed by the euglycemic clamp technique. The results showed: DSR rats on the LP diet displayed significantly decreased systolic blood pressure (SBP), and decreased plasma insulin and blood glucose levels with significantly increased overall peripheral glucose utilization and glucose clearance. The pair-fed DSR followed the pattern of DSR on the LP diet with decreased SBP. The most interesting SBP results were shown in the pair-fed DSS rats, which despite low food intake and body weight gain developed hypertension similar to DSS on the NP diet. DSS rats on the LP diet also failed to develop hypertension by contrast with the DSS rats on the NP diet and pair-fed DSS rats. DSS rats on the LP diet significantly improved their insulin sensitivity to the level of DSR rats with significantly increased glucose utilization and glucose clearance. In both DSR and DSS groups on LP and pair-fed, a significant increase of heart rate was found. This was more pronounced in the DSS groups. CONCLUSIONS: The beneficial effect of PEM on development of hypertension is attributed to increased glucose utilisation and improved insulin sensitivity.

Animals↗
PubMed1980

Lack of effect of the vitamin D status on the concentration of the vitamin D-binding protein in rat serum.

The influence of the vitamin D status on the concentration of the serum vitamin D-binding protein was studied. In normal rats the serum vitamin D-binding protein increases gradually from birth to adulthood; after puberty a higher concentration is found in male rats than in female rats. Rats fed a vitamin D-deficient diet containing a sufficient amount of calcium and phosphorus were found to have a normal DBP (binding protein for vitamin D and its hydroxylated metabolites) pattern indistinguishable from that of rats receiving the same diet but supplemented with a weekly injection of 500 microgram vitamin D3. Rats fed a vitamin D-deficient, low calcium, low phosphorus diet developed severe hypocalcemia and growth retardation, but their DBP pattern was not significantly different from that of rats fed the same diet but supplemented with a weekly injection of 500 microgram vitamin D3. The concentration of the transport protein for vitamin D was thus unrelated to the vitamin D status of the rat.

Aging↗
PubMed1985

Effect of nutrition on the LH response to calf removal and GnRH.

Ten primiparous crossbred cows were assigned to two dietary groups at calving. One group received 120% and the other group received 80% of the National Research Council (NRC) recommended allowance of dietary energy for primiparous cows. At 60 days postpartum, calves were removed from their dams. Blood samples were collected from the cows at 15-min intervals for 8 hr beginning at the time of calf removal and again 24 hr, 48 hr and 72 hr after calf removal. At 72 hr after calf removal, all cows were given 200 ug GnRH intravenously. At calf removal, serum LH concentrations were higher (P<0.01) for cows on 120% (0.9 +/- 0.03 ng/ml) compared to cows on 80% (0.5 +/- 0.03 ng/ml) of recommendations. Serum LH concentrations increased (1.6 +/- 0.1 ng/ml, P<0.01) by 24 hr in cows on the highenergy diet. In contrast, a similar increase was not observed in cows on the low-energy diet until 48 hr after calf removal (1.4 +/- 0.2 ng/ml, P<0.01). These contrasting patterns in serum LH concentrations resulted in a diet by time interaction (P<0.01). Serum LH concentrations increased in both dietary energy groups following GnRH injection, but the response was greater (P<0.01) in cows on the low-energy diet compared to the cows fed the high-energy diet. These results indicate that inadequate dietary energy delays the LH response to calf removal and increases the LH response to exogenous GnRH.

Journal Article↗
PubMed1983

The effect of sodium restriction during gestation of offspring brain development in rats.

Sodium restrictive diets are today often recommended to women experiencing the normal edema of pregnancy. This study explores some effects of dietary sodium restriction, imposed during pregnancy, on reproductive performance and brain development in resultant offspring. Pregnant Sprague-Dawley rats were fed diets containing either 0.173, 0.067, 0.040, or 0.022% sodium throughout gestation. All other nutrients in the diet were fed at levels in excess of NAS-NRC requirements. At parturition, litters were trimmed to four offspring and mothers fed Purina Rat Chow throughout lactation. Twenty-one days postpartum, offspring were killed and analyses of selected parameters of brain composition made. Rats fed the 0.040 and 0.022% were killed and analyses of selected parameters of brain composition made. Rats fed the 0.040 and 0.022% sodium containing diets during pregnancy consumed less feed, gained less weight, and exhibited altered fluid consumption patterns to rats ingesting the 0.173% sodium control diet. Mothers fed the two diets containing the lowest levels of sodium also had smaller litters, fewer live births, and more stillbirths per litter than control mothers. Birth weights and the number of offspring surviving the lactation period were less in the 0.040 and 0.022% sodium treatment groups. No offspring in the 0.022% sodium diet group survived the lactation period. Brain wet weight, dry weight, cholesterol, protein, and RNA content were decreased in offspring in the 0.040% sodium diet group.

Animals↗
PubMed1995

Circulating hyaluronan levels in the rodent: effects of age and diet.

Circulating hyaluronan (HA) levels were investigated as a function of age and diet in Fischer 344 male rats. A biphasic pattern of age-related changes was observed in rats fed ad libitum a diet in which the protein source was soya/fish meal. HA levels in 3- to 6- and 22- to 29-mo-old rats were not statistically different. However, HA levels in 12- to 20-mo-old rats were 10-29% of the levels in younger or aged adults. HA levels were also measured in rats fed ad libitum a semisynthetic diet in which the protein source was hydrolyzed casein. Whereas the two colonies exhibited similar biphasic age-related changes, HA levels differed 4- to 20-fold at every age examined. Caloric restriction affected HA levels in 19-mo-old casein-fed rats; HA levels were 2.3 times higher than age-matched controls and were not statistically different from young or aged animals. Serum and plasma HA levels were identical in the same individuals at all ages tested. These data suggest that HA turnover and metabolism in the rat are affected by age, dietary composition, and caloric intake.

Aging↗
PubMed1984

Relation of body energetic status to dietary self-selection in Sprague-Dawley rats.

Self-selection from carbohydrate, protein and fat sources including essential micronutrients was studied in male Sprague-Dawley rats that were 4 weeks of age at the beginning of the experiment. During the experimental period of 14 days, the intake of carbohydrate and fat was quite constant, whereas that of protein increased gradually. The mean intake of carbohydrate, protein, and fat was 31.1 +/- 3.5%, 56.1 +/- 4.6%, and 12.8 +/- 2.8% of the total energy intake, respectively. Animals fed on a mixed diet consisting of high sucrose, consumed 65.1% of their daily energy as carbohydrate, 17.6% as protein, and 17.3% as fat. Total energy intake and body weight gain were not significantly different between the rats on self-selection and those fed on the mixed diet. These results indicate that young rats on dietary self-selection were able to gain body weight comparable to that of rats fed on the mixed diet. Body energetic status affected self-selection patterns. In rats fasted for 5 days or fed on a protein-free diet for 21 days, fat intake increased, but protein intake decreased. On the other hand, fat intake decreased in animals given a sucrose diet higher in energy content than the stock diet; these animals exhibited increased accumulation of body energy. These results indicate that dietary self-selection is closely related to nutritional and physiological body requirements.

Animals↗
PubMed1975

Toxicity of certain polychlorinated and polybrominated biphenyls on reproductive efficiency of caged chickens.

The biphenyls tested with caged White Leghorn pullets were polychlorinated biphenyl (PCBs) Aroclors 1232, 1242, 1248, 1254 and 1016 and polybrominated biphenyl (PBB) PBP-6 at the 5, 10 and 20 p.p.m. levels. These pollutants exerted no adverse effects on egg production, egg weight, egg shell thickness, feed consumption, adult body weight changes, livability and fertility after 8 weeks of biphenyl feeding, irrespective of biphenyl level or compound. Hatchability of fertile eggs as a result of biphenyl feeding was significantly affected by 10 or 20 p.p.m. and by three PCB compounds (Aroclors 1232, 1242, 1248). The hatchability (%) of eggs laid by pullets fed 10 and 20 p.p.m. declined to 78 and 45, respectively, for Aroclor 1232, 48 and 5 for Aroclor 1242 and 40 and 5 for Aroclor 1248 after 6 weeks of biphenyl feeding, as compared with 90 for the control group. The most common embryonic abnormality was edema in the neck and rump areas. Biphenyl supplementation in the maternal diet also caused a shift in the peak pattern of embryonic death. Progeny growth as a result of biphenyl in the maternal diet was significantly depressed by 10 or 20 p.p.m. and by Aroclors 1242 and 1248. The level of the three PCBs found to be toxic to chickens appears to lie somewhere between 5 and 10 p.p.m.

Animals↗
PubMed2003

Alcohol consumption patterns and HbA1c, C-peptide and insulin concentrations in men.

OBJECTIVE: Observational studies support inverse associations between moderate alcohol consumption and fasting insulin concentrations, but the importance of drinking pattern on the effect of alcohol on insulin sensitivity has not been fully explored. We examined the relations of alcohol consumption patterns-including average daily consumption, frequency of consumption and drinking with meals-to fasting insulin, fasting c-peptide and hemoglobin A1c (HbA1c). METHODS: A cross-sectional study of 462 disease-free men selected from the Health Professionals' Follow-up Study to provide information on a range of drinking patterns. Study participants were 48 to 82 years of age who provided a blood sample and detailed information on diet, life-style and alcohol consumption patterns in 1994. Among the study participants, 267 men provided a fasting blood sample and contributed to the analyses of insulin and c-peptide. RESULTS: Biologic markers were not strongly related to average alcohol consumption. Compared to abstainers, differences in insulin concentrations-all statistically non-significant-were 0.06, 1.25, 1.02, and 0.12 micro U/mL for consumers of <1, 1-1.9, 2-2.9, 3+ drinks per day, respectively. The frequency of alcohol consumption was inversely related to fasting c-peptide and insulin concentrations after controlling for average alcohol consumption and other potential confounding variables. Compared to men who reported consuming alcohol one to three days per week, c-peptide concentrations were 0.08 ng/mL and 0.29 ng/mL lower (p-trend = 0.04) in men who reported consuming alcohol on four to five days per week and six to seven days per week, respectively. Men who consumed alcohol on most days also had lower fasting insulin levels than more irregular drinkers (p-trend = 0.05). CONCLUSIONS: Our results suggest that frequent alcohol consumption is inversely related to fasting c-peptide and insulin concentrations.

Adult↗
PubMed1999

Acculturation and dietary practices among Korean Americans.

OBJECTIVE: Examine variation in dietary practices and nutritional intakes of Korean Americans at different acculturation levels. DESIGN: Cross-sectional mail survey. SUBJECTS/SETTING: US national sample of 348 Korean Americans (46% of the Korean American sample to whom questionnaires were delivered). STATISTICAL ANALYSIS PERFORMED: Analysis of variance, Pearson correlation, Spearman rank correlation, chi 2 test, and multiple regression analysis. RESULTS: Korean Americans who were more acculturated consumed more American food and less Korean food. American foods such as oranges, low-fat milk, bagels, tomatoes, and bread were consumed regularly by Korean Americans; Korean foods such as rice, kimchi, garlic, green onions, and Korean soup were also consumed regularly. American foods were adopted the most at breakfast and the least at dinner. Bicultural people regularly incorporated more different types of foods into their diet. Despite significant differences in dietary practices, dietary quality did not vary by acculturation status. APPLICATION/CONCLUSIONS: Acculturation was influential in the dietary patterns of Korean Americans. Specific information about Korean diet related to acculturation status can be used by dietitians who work with Korean Americans. Dietitians can benefit from gathering and applying specific information about Korean diets and diets of other ethnic groups; they also need to recognize the changing nature of dietary patterns as acculturation occurs.

Acculturation↗
PubMed1992

Deposition of dietary fatty acids in young Zucker rats fed a cafeteria diet.

The content and accretion of fatty acids in 30, 45 and 60-day-old Zucker lean Fa/? and obese fa/fa rats fed either reference chow or a cafeteria diet has been studied, together with their actual fatty acid intake during each period. Diet had little overall effect on the pattern of deposition of fatty acids, but quantitatively the deposition of fat was much higher in cafeteria-fed rats. The fat-rich cafeteria diet allowed the direct incorporation of most fatty acids into the rat lipids, whilst chow feeding activated lipogenesis and the deposition of a shorter chain and more saturated pattern of fatty acids. Genetic, obesity induced a significant expansion of net lipogenesis when compared with lean controls. Cafeteria-fed obese rats accrued a high proportion of fatty acids, which was close to that ingested, but nevertheless showed a net de novo synthesis of fatty acids. It is postulated that the combined effects of genetic obesity and a fat-rich diet result in high rates of fat accretion with limited net lipogenesis. Lean Zucker rats show a progressive impairment of their delta 5-desaturase system, a situation also observed in obese rats fed a reference diet. In Zucker obese rats, cafeteria feeding resulted in an alteration of the conversion of C18:2 into C20:3. The cafeteria diet fully compensated for these drawbacks by supplying very high amounts of polyunsaturated fatty acids.

Animals↗
PubMed1983

[Distribution of bone tissue renewal processes in the skeleton of rats on a hypocaloric diet].

The present study was undertaken to confirm if the mechanical forces can control the pattern of bone turnover as previously demonstrated in our researches on the skeleton of dog. The bone turnover pattern in spongy and compact long bones of lactating female rats submitted to a Calcium deficient diet has been investigated. One group of female rats was maintained on a Ca++ deficient diet for 10 days and a second group for 30 days. Both groups were submitted after this period to a normal diet for 10 days. A third group of female rats of the same age maintained to a normal diet was used as control. The results obtained are in agreement with our previous researches and indicate that mechanical stresses appreciably control the bone turnover pattern. In fact the diminished assumption of Ca++ with diet has caused bone loss at first in the metaphyseal deeply located spongiosa, region less essential to mechanical resistance; only if the ipocalcic diet is protracted, the epiphyseal spongiosa and compact bone of the metaphysis and diaphysis -more heavily mechanical loaded portions of the long bones- were removed.

Animals↗
PubMed1990

Comparison of cell membrane phospholipid fatty acids in five rat strains fed four test diets.

The fatty acid composition of phospholipids in peritoneal exudate cells and spleen cells was assessed in five rat strains fed four test diets of differing fatty acid composition. Distinctive patterns of fatty acids were seen in the total phospholipid preparations in both cell types in response to the diets which contained either olive, sunflower, linseed or fish oil. In general, similar fatty acid profiles were seen in each of the rat strains fed the same diet with the only evidence of possible genetic (strain) variation being a relative deficiency of delta 4 desaturase in Dark Agouti rats.

Animals↗
PubMed2006

Rat gastrointestinal tissues metabolize quercetin.

Quercetin and quercetin glycosides from food or dietary supplements appear in body tissues almost exclusively as glucuronated, sulfated, and methylated quercetin conjugates, suggesting that the in vivo bioactivity of quercetin may be due to its metabolites. In this study, pre- and postabsorptive metabolism of orally ingested quercetin was examined by comparing the metabolite pattern in gastrointestinal (GI) tissues, contents, and internal tissues. F344 rats (n = 6) were fed for 6 wk a diet containing 0.45% quercetin and the metabolite patterns were determined in the tissues and contents of stomach, small intestine, cecum, and colon and in liver, kidney, and plasma using LC-MS/MS. GI contents contained predominantly unmetabolized quercetin at 94-100%, whereas quercetin in GI tissues was present as 11 different sulfated, glucuronated, and methylated metabolites at 32% in stomach, 88% in small intestine, 27% in cecum, and 46% in colon. Quercetin was further metabolized postabsorption and found in liver, kidney, and plasma almost exclusively as sulfated methyl-quercetin glucuronide. The unique pattern of quercetin metabolites in each GI tissue indicates extensive biotransformation before absorption and distribution in rats.

Administration, Oral↗
PubMed2002

Body composition and tissue accretion rates of barrows fed corn-soybean meal diets or low-protein, amino acid-supplemented diets at different feeding levels.

Two experiments, each with 39 high-lean-gain potential barrows, were conducted to evaluate the organ weights, body chemical composition, and tissue accretion rates of pigs fed corn-soybean meal diets (CONTROL) and low-protein diets supplemented with crystalline lysine, threonine, tryptophan, and methionine either on an ideal protein basis (IDEAL) or in a pattern similar to that of the control diet (AACON). Amino acids were added on a true ileally digestible basis. The initial and final BW were, respectively, 31.5 and 82.3 kg in Exp. 1 and 32.7 and 57.1 kg in Exp. 2, and pigs were fed for 55 and 27 d in Exp. 1 and 2, respectively. In Exp. 1, the CONTROL and IDEAL diets were offered on an ad libitum basis, or by feeding 90 or 80% of ad libitum intake. In Exp. 2, the CONTROL, IDEAL, and AACON diets were offered on an ad libitum basis, or by feeding 80% of the ad libitum intake. Three pigs were killed at the start of the experiments and three from each treatment were killed at the end of each experiment to determine body chemical composition. In both trials, the whole-body protein concentration (g/kg) and the accretion rates of protein (g/d) were greater (P < 0.05) for pigs fed the CONTROL than for pigs fed the IDEAL and AACON diets. In Exp. 1, pigs fed the CONTROL diet had a trend (P < 0.10) for greater water and lower lipid concentration and had greater (P < 0.05) water and ash accretion rates. Whole-body protein concentration was greatest (P < 0.05) in pigs fed at 80% of ad libitum, but protein, water, and ash accretion rates were greatest (P < 0.05) in pigs allowed ad libitum access to feed. In summary, pigs fed the IDEAL and the AACON diets had less protein in the body and lower protein accretion rates than pigs fed the CONTROL diet. It seems that reductions in protein deposition in pigs fed the IDEAL and AACON diets may have been due to a deficiency of one or more essential amino acids or possibly to increases in the NE for metabolic processes leading to increases in adipose tissue deposition.

Amino Acids↗
PubMed2003

The role of acidogenic diets and beta-hydroxybutyate on lymphocyte proliferation and serum antibody response against bovine respiratory viruses in Holstein steers.

Acidogenic diets were evaluated for their effects on lymphocyte proliferation in response to Staphylococcus aureus exotoxin B (SEB), and specific lymphocyte proliferation and serum-neutralizing antibody titers to four bovine respiratory viruses in vitro. Four Holstein steer calves, with an average weight of 213 +/- 42 kg, were fed a basal (control) diet consisting of 49% forage and 51% concentrate (DM basis), with 15% CP (on a DM basis). Three additional treatment diets were used: 1) the basal diet supplemented with 700 mL/d of butylene glycol (BG) to induce ketoacidosis by increasing blood beta-hydroxybutyate (BHBA); 2) the basal diet supplemented with 1.2 +/- 0.1 kg/d of anionic salts (AS; Soychor 16.7, West Central Soy, Ralston, IA) to induce a metabolic acidosis; and 3) the basal diet with all forage replaced by finely ground corn and soybean meal blended to provide 15% CP (HG), to induce lactic acidosis. The calves were fed each diet for 21 d in a 4 x 4 Latin square design. Blood samples were collected on d 18, 19, and 20 of each 21-d period and analyzed for pH; concentrations of BHBA; in vitro lymphocyte proliferation to SEB, bovine viral diarrhea virus (BVDV), bovine respiratory syncytial virus (BRSV), parainfluenza-3 (PI-3), and bovine herpesvirus-1 (BHV-1); and titers of serum-neutralizing antibodies against the four viruses. Following treatment, the average pH of the serum samples was 7.38 for calves fed the control diet, 7.37 for the BG treatment, and 7.36 for the HG treatment, and was decreased (P < 0.05) to 7.33 for the AS treatment. All acidogenic diets decreased lymphocyte response to SEB (P < 0.05). The lymphocyte proliferative response, however, of each virus showed a different pattern of interaction with the three acidogenic diets tested. The AS diet was associated with increased lymphocyte proliferative response to BVDV and BRSV (P < 0.01) and increased serum neutralization titers to BHV-1 (P < 0.05). In calves fed the BHBA-inducing diet (BG), an increase in lymphocyte proliferation to BRSV was observed (P < 0.05). A similar relationship to blood BHBA concentration was not observed with the lymphocyte proliferation to BVDV, PI-3, or BHV-1. Titers of serum-neutralizing antibody against PI3 (P < 0.05) and BHV-1 (P < 0.01) were negatively correlated with blood pH, and titers of serum neutralizing antibodies to BHV-1 were negatively correlated to elevated circulating concentrations of BHBA (P < 0.05).

3-Hydroxybutyric Acid↗
PubMed1994

Temporal-specific and spatial-specific patterns of neurotensin gene expression in the small bowel.

Expression of the neurotensin/neuromedin N (NT/N) gene is developmentally regulated in a temporal- and spatial-specific pattern in the small bowel. The purpose of our study was to determine 1) whether the temporal expression of NT/N could be altered by ectopic placement of small bowel and 2) whether the spatial-specific expression of NT/N could be altered by different diets. We found that the relative temporal pattern of NT/N expression was unchanged in rat jejunal and ileal xenografts implanted into the flanks of athymic nude mice. To determine whether the spatial-specific pattern of NT/N expression could be altered by different luminal nutrients, 28-day-old rats were randomized to receive chow or chemically defined liquid diets for 60 days at which time the jejunoileum was divided into eight equal segments, and NT/N expression was analyzed. The normal pattern of increasing levels of NT/N mRNA along the jejunum-to-ileum axis was not altered by any of the liquid diets. In contrast to NT/N, we found that expression of sucrase-isomaltase varied greatly depending on both location and type of luminal nutrients. We conclude that the strict temporal- and spatial-specific pattern of NT/N expression is not affected by either location or luminal contents, thus suggesting an intrinsic program of NT/N gene expression. Furthermore, we speculate that the NT/N gene may provide a useful endocrine paradigm to investigate the factors regulating the establishment and maintenance of certain cell lineage-specific patterns along the cephalocaudal axis of the gut.

Aging↗
PubMed2002

Dietary patterns and adenocarcinoma of the esophagus and distal stomach.

BACKGROUND: Dietary pattern analysis is a unique approach to studying relations between diet and disease. OBJECTIVE: Our objective was to describe the dietary patterns of an eastern Nebraska population and investigate the associations between those dietary patterns and risks of adenocarcinoma of the esophagus and distal stomach. DESIGN: We recruited 124 subjects with esophageal adenocarcinoma, 124 subjects with distal stomach adenocarcinoma, and 449 control subjects in a population-based, case-control study. RESULTS: Six dietary patterns were identified with the use of cluster analysis. The first dietary pattern represented healthy food choices and had higher energy contributions from fruit and vegetables and grain products and lower energy contributions from red meats, processed meats, and gravy than did the other dietary patterns. In contrast, a second dietary pattern was high in meats and low in fruit and cereals. The other 4 dietary patterns were each characterized by a concentrated energy source: salty snacks, desserts, milk, and white bread, respectively. The test of overall difference in cancer risk across dietary patterns was significant for distal stomach adenocarcinoma (P = 0.04) but not for esophageal adenocarcinoma. Risk of esophageal adenocarcinoma was inversely associated with intakes of dairy products, fish, all vegetables, citrus fruit and juices, and dark bread and was positively associated with gravy intake. Risk of distal stomach adenocarcinoma was positively associated with red meat intake. CONCLUSIONS: Our study suggests that a diet high in fruit and vegetables may decrease the risk of esophageal adenocarcinoma and that a diet high in meats may increase the risk of distal stomach adenocarcinoma.

Adenocarcinoma↗