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Agrawal G, Sanyal P. Discerning animal-sourced food in diet using isotope analysis of human scalp hair and fingernails. Eur J Nutr 2024; 63:409-423. [PMID: 38006443 DOI: 10.1007/s00394-023-03273-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2023] [Accepted: 10/20/2023] [Indexed: 11/27/2023]
Abstract
PURPOSE Diet-related diseases are advancing as the leading cause of death globally. As self-reporting of diet by patients can be associated with errors, stable isotopes of human tissues can be used to diagnose diseases, understand physiology, and detect change in diet. This study investigates the effect of type and amount of food on the nitrogen and carbon concentration (Nconc and Cconc) and isotopic composition (δ15N and δ13C) in human scalp hair and fingernails. METHODS A total of 100 residents participated in the study whereas only 74 individuals provided complete diet history. Sixty-six food items majorly available to them were also collected. The Nconc, Cconc, δ15N and δ13C values of human hair, nails and food items were determined. RESULTS The Nconc, Cconc, δ15N and δ13C values between plant-sourced and animal-sourced food items, as well as human hair and nail tissue were significantly different (p < 0.05). The δ15N value of human tissues was distinct between lacto-vegetarians and omnivores by 0.9‰. The δ15N and δ13C values of human tissues increased by 0.4-0.5‰ with every 5% increase in the consumption of animal protein. CONCLUSIONS The study helps to demarcate lacto-vegetarians from omnivores, and estimate the percentage of animal protein in diet based on the dual isotope values of human tissues. It also acts as a reference to determine isotopic composition of hair tissue provided the isotope value of nail tissue is known and vice versa.
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Affiliation(s)
- Gunjan Agrawal
- Department of Earth Sciences, Indian Institute of Science Education and Research Kolkata, Mohanpur, 741246, India.
| | - Prasanta Sanyal
- Department of Earth Sciences, Indian Institute of Science Education and Research Kolkata, Mohanpur, 741246, India
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Rogers MC, Heintz RA, Vollenweider JJ, Sreenivasan A, Miller KB. Climate change-informed dietary modeling in Pacific cod: Experimentally-derived effects of temperature and dietary quality on carbon and nitrogen stable isotope trophic discrimination factors. PLoS One 2023; 18:e0295564. [PMID: 38060595 PMCID: PMC10703269 DOI: 10.1371/journal.pone.0295564] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2023] [Accepted: 11/22/2023] [Indexed: 12/18/2023] Open
Abstract
Stable isotope analysis is a powerful tool for dietary modeling and trophic ecology research. A crucial piece of information for isotopic dietary modeling is the accurate estimation of trophic discrimination factors (TDFs), or the isotopic offset between a consumer's tissue and its diet. In order to parameterize stable isotope dietary models for future climate scenarios, we investigated the effect of water temperature and dietary protein and lipid content on TDFs in juvenile Pacific cod (Gadus macrocephalus). Pacific cod are a commercially and ecologically important species, with stock numbers in the northeast Pacific recently having dropped by more than 70%. We tested four water temperatures (6, 8, 10, and 12°C) and two dietary regimens (low and high lipid content), representing a range of potential ocean temperature and prey quality scenarios, in order to determine carbon and nitrogen TDFs in juvenile Pacific cod. Additionally, we assessed dietary intake and proximate composition of the experimental fish in order to estimate consumption, assimilation, and retention of dietary nutrients. The results of this study suggest that dietary protein catabolism is a primary driver of nitrogen TDF variability in juvenile Pacific cod. Across all temperature treatments from 6 to 12°C, fish reared on the lower quality, lower lipid content diet had higher nitrogen TDFs. The mean TDFs for fish raised on the higher lipid, lower protein diet were +3.40 ‰ for nitrogen (Δ15N) and +0.36 ‰ for lipid-corrected carbon (Δ LC 13C). The mean TDFs for fish raised on the lower lipid, higher protein diet were +4.09 ‰ for nitrogen (Δ15N) and 0.00 ‰ for lipid-corrected carbon (Δ LC 13C). Lipid-corrected carbon isotope data showed that, regardless of temperature, fish consuming the lower lipid diet had essentially no trophic discrimination between diet and bulk tissues. We found no ecologically meaningful differences in TDFs due to water temperature across the 6°experimental range. The results of this experiment demonstrate that dietary quality, and more specifically the use of dietary protein for energetic needs, is a primary driver of trophic discrimination factors. The TDFs determined in this study can be applied to understanding trophic ecology in Pacific cod and closely related species under rapidly changing prey availability and ocean temperature conditions.
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Affiliation(s)
- Matthew C. Rogers
- NOAA, National Marine Fisheries Service, Alaska Fisheries Science Center, Auke Bay Laboratories, Juneau, Alaska, United States of America
| | - Ron A. Heintz
- Sitka Sound Science Center, Sitka, Alaska, United States of America
| | - Johanna J. Vollenweider
- NOAA, National Marine Fisheries Service, Alaska Fisheries Science Center, Auke Bay Laboratories, Juneau, Alaska, United States of America
| | - Ashwin Sreenivasan
- University of Alaska Southeast, Juneau, Alaska, United States of America
| | - Katharine B. Miller
- NOAA, National Marine Fisheries Service, Alaska Fisheries Science Center, Auke Bay Laboratories, Juneau, Alaska, United States of America
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Singh Sehrawat J, Rai N. Carbon (δ 13C) and nitrogen (δ 15N) isotope ratios reveal geographic affinity and dietary status of Ajnala skeletal remains: A forensic anthropological study. MEDICINE, SCIENCE, AND THE LAW 2023; 63:298-308. [PMID: 36883247 DOI: 10.1177/00258024231159591] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/18/2023]
Abstract
Stable isotope analysis from bones and teeth has been widely used to estimate the likely geographic locations and dietary status of individuals whose osseous remains have been retrieved from some forensic or bio-archaeological contexts. The carbon and nitrogen stable isotope signatures can provide insights into geographic affinity and dietary habits. Ajnala skeletal remains represent a serious crime against humanity committed in past by colonial rulers and by amateur archaeologists of modern times. In present study, isotopic concentrations of carbon (δ13C) and nitrogen (δ15N) estimated from 21 mandibular molars have been used to estimate the local or non-local status of badly damaged skeletal remains retrieved from an abandoned well at Ajnala (India). The collagen samples having C/N ratio within range of 2.8-3.6 were considered as well-preserved and non-contaminated ones. The isotope concentrations of carbon and nitrogen varied from -18.7‰ to -22.9‰ and +7.6‰ to +11.7‰, with an average of -20.49 ± 1.2‰ and +9.31 ± 1.1‰, respectively. The analysis of the obtained isotope values reflected the consumption of C3/C4 mixed diet by majority of the individuals, and such type of dietary habits are mainly restricted to the reported Indo-Gangatic plain of India to which slain soldiers reportedly belonged to. These observations corroborated the previous observations about the geographic affinity and dietary status of Ajnala individuals. Though C and N isotopes are by and large not the confirmed/direct indicators of geographic origin, they can provide corroboratory information to support other observations narrowing down the dietary habits of individuals of certain specific geographical regions.
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Affiliation(s)
| | - Niraj Rai
- Birbal Sahni Institute of Paleosciences (BSIP), India
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Klievik BJ, Tyrrell AD, Chen CT, Bazinet RP. Measuring brain docosahexaenoic acid turnover as a marker of metabolic consumption. Pharmacol Ther 2023:108437. [PMID: 37201738 DOI: 10.1016/j.pharmthera.2023.108437] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2023] [Revised: 05/02/2023] [Accepted: 05/15/2023] [Indexed: 05/20/2023]
Abstract
Docosahexaenoic acid (DHA, 22:6n-3) accretion in brain phospholipids is critical for maintaining the structural fluidity that permits proper assembly of protein complexes for signaling. Furthermore, membrane DHA can by released by phospholipase A2 and act as substrate for synthesis of bioactive metabolites that regulate synaptogenesis, neurogenesis, inflammation, and oxidative stress. Thus, brain DHA is consumed through multiple pathways including mitochondrial β-oxidation, autoxidation to neuroprostanes, as well as enzymatic synthesis of bioactive metabolites including oxylipins, synaptamide, fatty-acid amides, and epoxides. By using models developed by Rapoport and colleagues, brain DHA loss has been estimated to be 0.07-0.26 μmol DHA/g brain/d. Since β-oxidation of DHA in the brain is relatively low, a large portion of brain DHA loss may be attributed to synthesis of autoxidative and bioactive metabolites. In recent years, we have developed a novel application of compound specific isotope analysis to trace DHA metabolism. By the use of natural abundance in 13C-DHA in food supply, we are able to trace brain phospholipid DHA loss in free-living mice with estimates ranging from 0.11 to 0.38 μmol DHA/g brain/d, in reasonable agreement with previous methods. This novel fatty acid metabolic tracing methodology should improve our understanding of the factors that regulate brain DHA metabolism.
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Affiliation(s)
- Brinley J Klievik
- Department of Nutritional Sciences, Temerty Faculty of Medicine, University of Toronto, 1 King's College Circle, Toronto, Ontario, Canada M5S 1A8
| | - Aidan D Tyrrell
- Department of Nutritional Sciences, Temerty Faculty of Medicine, University of Toronto, 1 King's College Circle, Toronto, Ontario, Canada M5S 1A8
| | - Chuck T Chen
- Department of Nutritional Sciences, Temerty Faculty of Medicine, University of Toronto, 1 King's College Circle, Toronto, Ontario, Canada M5S 1A8
| | - Richard P Bazinet
- Department of Nutritional Sciences, Temerty Faculty of Medicine, University of Toronto, 1 King's College Circle, Toronto, Ontario, Canada M5S 1A8.
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Hatch KA, Kester KA, Loveless A, Roeder BL, van Manen FT. Tooth wear and the apparent consumption of human foods among American black bears (Ursus americanus) in Great Smoky Mountains National Park, USA. Mamm Biol 2022. [DOI: 10.1007/s42991-022-00310-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/29/2023]
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Johnson JJ, Shaw PA, Wooller MJ, Venti CA, Krakoff J, Votruba SB, O'Brien DM. Amino Acid Nitrogen Isotope Ratios Respond to Fish and Meat Intake in a 12-Week Inpatient Feeding Study of Men. J Nutr 2022; 152:2031-2038. [PMID: 35511610 PMCID: PMC9445847 DOI: 10.1093/jn/nxac101] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2021] [Revised: 02/18/2022] [Accepted: 04/28/2022] [Indexed: 11/12/2022] Open
Abstract
BACKGROUND The natural abundance nitrogen stable isotope ratio (NIR) of whole tissue correlates with animal protein intakes, including meat and fish. Amino acid (AA) NIRs (NIRAAs) are more variable than the whole-tissue NIRs and may thus better differentiate among foods. OBJECTIVES We evaluated whether NIRAAs were associated with intakes of fish and meat and whether these dietary associations were larger than with whole-tissue NIRs. METHODS Men were recruited at the National Institute of Diabetes and Digestive and Kidney Diseases in Phoenix, Arizona, and randomly assigned to one of eight 12-wk inpatient dietary interventions, which varied the presence/absence of fish, meat, and sugar-sweetened beverages (SSBs) in all possible combinations. Fasting blood was drawn pre- and postintervention and plasma and RBC NIRAAs (free and protein-bound) were measured as secondary outcomes in 32 participants. Multivariable regression was used to determine responses of postintervention NIRAAs to dietary variables, and logistic regression was used to calculate receiver operating characteristic AUCs. RESULTS Most plasma NIRAAs increased with fish and meat intakes, but to a greater extent with fish intake. The largest increase in response to fish intake was plasma NIRLeucine (β = 2.19, SE = 0.26). The NIRThreonine decreased with both fish and meat intakes. Fewer RBC NIRAAs increased with fish intake, and only RBC NIRProline increased with meat intake. No plasma or RBC NIRAA responded to SSB intake. We identified fish intake with a high degree of accuracy using plasma NIRLeucine (corrected AUC, cAUC = 0.96) and NIRGlutamic acid/glutamine (cAUC = 0.93), and meat intake to a lower degree using plasma NIRProline (cAUC = 0.80) and RBC NIRProline (cAUC = 0.85). CONCLUSIONS Plasma and RBC NIRAAs were associated with fish and meat intakes but were not superior to whole-tissue stable isotope biomarkers in identifying these intakes in a US diet. This trial is registered at www.clinicaltrials.gov as NCT01237093.
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Affiliation(s)
| | - Pamela A Shaw
- Washington Health Research Institute, Kaiser Permanente, Seattle, WA, USA
| | - Matthew J Wooller
- Alaska Stable Isotope Facility, Water and Environmental Research Center, Institute of Northern Engineering, College of Fisheries and Ocean Sciences, University of Alaska Fairbanks, Fairbanks, AK, USA
| | - Colleen A Venti
- Phoenix Epidemiology and Clinical Research Branch, National Institute of Diabetes and Digestive and Kidney Diseases/NIH, Phoenix, AZ, USA
| | - Jonathan Krakoff
- Phoenix Epidemiology and Clinical Research Branch, National Institute of Diabetes and Digestive and Kidney Diseases/NIH, Phoenix, AZ, USA
| | - Susanne B Votruba
- Phoenix Epidemiology and Clinical Research Branch, National Institute of Diabetes and Digestive and Kidney Diseases/NIH, Phoenix, AZ, USA
| | - Diane M O'Brien
- Center for Alaska Native Health Research, Institute of Arctic Biology, Department of Biology and Wildlife, University of Alaska Fairbanks, Fairbanks, AK, USA
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Yoshinaga J, Komatsuda S, Fujita R, Amin MHA, Oguri T. Carbon and nitrogen stable isotope ratios of diet of the Japanese and diet-hair offset values. ISOTOPES IN ENVIRONMENTAL AND HEALTH STUDIES 2021; 57:563-575. [PMID: 34719303 DOI: 10.1080/10256016.2021.1990276] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/29/2021] [Accepted: 09/13/2021] [Indexed: 06/13/2023]
Abstract
The stable isotope ratios of carbon and nitrogen (δ13C and δ15N) were measured in composite samples of Japanese food and hair. Three hundred eighty-nine foodstuffs were collected in Tokyo and Gunma Prefecture, Japan, in 2020. The foodstuffs were classified into 15 food categories, prepared as usually consumed, and mixed to make 15 composite samples representing each of the food categories. Similarly prepared samples for foodstuffs collected in 2011 and 2015 were also examined. Composite hair samples were collected from a barber shop in Tokyo and a beauty salon in Gunma in 2019. The δ13C and δ15N values of the food and hair composites were measured by elemental analyzer/isotope ratio mass spectrometry after defatting. The δ13C and δ15N values of the food composite varied from composite to composite and according to year of collection. The whole-diet δ13C values were -21.1, -22.0, and -21.5 ‰ for the 2011, 2015, and 2020 samples, respectively; the δ15N values were 5.0, 4.4, and 4.4 ‰, respectively. Diet-hair offset values of δ13C and δ15N were calculated to be 1.9 and 4.3 ‰ for δ13C and δ15N, respectively. These offset values will be important for dietary analysis and nutritional research using hair isotope ratios.
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Affiliation(s)
- Jun Yoshinaga
- Faculty of Life Sciences, Toyo University, Oura, Japan
| | | | - Raiki Fujita
- Faculty of Life Sciences, Toyo University, Oura, Japan
| | | | - Tomoko Oguri
- Research Institute of Science for Safety and Sustainability, National Institute of Advanced Industrial Science and Technology, Tsukuba, Japan
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Lee HS, Shim JY, Shin WJ, Choi SH, Bong YS, Lee KS. Dietary homogenization and spatial distributions of carbon, nitrogen, and sulfur isotope ratios in human hair in South Korea. PLoS One 2021; 16:e0256404. [PMID: 34415968 PMCID: PMC8378694 DOI: 10.1371/journal.pone.0256404] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2021] [Accepted: 08/05/2021] [Indexed: 11/18/2022] Open
Abstract
Dietary homogenization has progressed worldwide due to westernization and the globalization of food production systems. We investigated dietary heterogeneity in South Korea by examining the spatial distribution of carbon (C), nitrogen (N), and sulfur (S) isotope ratios using 264 human hair samples. Overall, variation in isotope values was small, indicating low dietary heterogeneity. We detected differences in δ13C, δ15N, and δ34S values between administrative provinces and metropolitan cities; inter-regional differences were typically < 1 ‰. Values of δ34S were significantly lower in hair samples from inland regions relative to those from coastal locations, and a similar pattern was observed in δ15N values. Understanding geographic variation in δ34S and δ15N values in human hair is useful for provenancing humans in South Korea.
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Affiliation(s)
- Han-Seul Lee
- Research Center for Geochronology and Isotope Analysis, Korea Basic Science Institute, Cheongju-si, Chungbuk, Republic of Korea
- Graduate School of Analytical Science and Technology, Chungnam National University, Daejeon, Republic of Korea
| | - Ji-Yu Shim
- Research Center for Geochronology and Isotope Analysis, Korea Basic Science Institute, Cheongju-si, Chungbuk, Republic of Korea
- Graduate School of Analytical Science and Technology, Chungnam National University, Daejeon, Republic of Korea
| | - Woo-Jin Shin
- Research Center for Geochronology and Isotope Analysis, Korea Basic Science Institute, Cheongju-si, Chungbuk, Republic of Korea
| | - Seung-Hyun Choi
- Center for Research Equipment, Korea Basic Science Institute, Cheongju-si, Chungbuk, Republic of Korea
| | - Yeon-Sik Bong
- Center for Research Equipment, Korea Basic Science Institute, Cheongju-si, Chungbuk, Republic of Korea
| | - Kwang-Sik Lee
- Research Center for Geochronology and Isotope Analysis, Korea Basic Science Institute, Cheongju-si, Chungbuk, Republic of Korea
- Graduate School of Analytical Science and Technology, Chungnam National University, Daejeon, Republic of Korea
- * E-mail:
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Fauberteau AE, Chartrand MM, Hu L, St-Jean G, Bataille CP. Investigating a cold case using high-resolution multi-isotope profiles in human hair. Forensic Chem 2021. [DOI: 10.1016/j.forc.2020.100300] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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10
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Johnson JJ, Shaw PA, Oh EJ, Wooller MJ, Merriman S, Yun HY, Larsen T, Krakoff J, Votruba SB, O'Brien DM. The carbon isotope ratios of nonessential amino acids identify sugar-sweetened beverage (SSB) consumers in a 12-wk inpatient feeding study of 32 men with varying SSB and meat exposures. Am J Clin Nutr 2021; 113:1256-1264. [PMID: 33676366 PMCID: PMC8106756 DOI: 10.1093/ajcn/nqaa374] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2020] [Accepted: 11/16/2020] [Indexed: 12/27/2022] Open
Abstract
BACKGROUND The carbon isotope ratios (CIRs) of individual amino acids (AAs) may provide more sensitive and specific biomarkers of sugar-sweetened beverages (SSBs) than total tissue CIR. Because CIRs turn over slowly, long-term controlled-feeding studies are needed in their evaluation. OBJECTIVE We assessed the responses of plasma and RBC CIRAA's to SSB and meat intake in a 12-wk inpatient feeding study. METHODS Thirty-two men (aged 46.2 ± 10.5 y) completed the feeding study at the National Institute of Diabetes and Digestive and Kidney Diseases in Phoenix, Arizona. The effects of SSB, meat, and fish intake on plasma and RBC CIRAA's were evaluated in a balanced factorial design with each dietary variable either present or absent in a common weight-maintaining, macronutrient-balanced diet. Fasting blood samples were collected biweekly from baseline. Dietary effects on the postfeeding CIR of 5 nonessential AAs (CIRNEAA's) and 4 essential AAs (CIREAA's) were analyzed using multivariable regression. RESULTS In plasma, 4 of 5 CIRNEAA's increased with SSB intake. Of these, the CIRAla was the most sensitive (β = 2.81, SE = 0.38) to SSB intake and was not affected by meat or fish intake. In RBCs, all 5 CIRNEAA's increased with SSBs but had smaller effect sizes than in plasma. All plasma CIREAA's increased with meat intake (but not SSB or fish intake), and the CIRLeu was the most sensitive (β = 1.26, SE = 0.23). CIRs of leucine and valine also increased with meat intake in RBCs. Estimates of turnover suggest that CIRAA's in plasma, but not RBCs, were in equilibrium with the diets by the end of the study. CONCLUSIONS The results of this study in men support CIRNEAA's as potential biomarkers of SSB intake and suggest CIREAA's as potential biomarkers of meat intake in US diets. This trial was registered at clinicaltrials.gov/ct2/show/NCT01237093 as NCT01237093.
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Affiliation(s)
| | - Pamela A Shaw
- Department of Biostatistics, Epidemiology, and Informatics, University of Pennsylvania Perelman School of Medicine, Philadelphia, PA, USA
| | - Eric J Oh
- Department of Biostatistics, Epidemiology, and Informatics, University of Pennsylvania Perelman School of Medicine, Philadelphia, PA, USA
| | - Matthew J Wooller
- Alaska Stable Isotope Facility, Water and Environmental Research Center, Institute of Northern Engineering, University of Alaska Fairbanks, Fairbanks, AK, USA,Department of Marine Biology, College of Fisheries and Ocean Sciences, University of Alaska Fairbanks, Fairbanks, AK, USA
| | - Sean Merriman
- Institute of Arctic Biology, Department of Biology and Wildlife, University of Alaska Fairbanks, Fairbanks, AK, USA
| | - Hee Young Yun
- Institute of Arctic Biology, Department of Biology and Wildlife, University of Alaska Fairbanks, Fairbanks, AK, USA
| | - Thomas Larsen
- Department of Archaeology, Max Planck Institute for the Science of Human History, Jena, Germany
| | - Jonathan Krakoff
- Phoenix Epidemiology and Clinical Research Branch, National Institute of Diabetes and Digestive and Kidney Diseases/NIH, Phoenix, AZ, USA
| | - Susanne B Votruba
- Phoenix Epidemiology and Clinical Research Branch, National Institute of Diabetes and Digestive and Kidney Diseases/NIH, Phoenix, AZ, USA
| | - Diane M O'Brien
- Institute of Arctic Biology, Department of Biology and Wildlife, University of Alaska Fairbanks, Fairbanks, AK, USA
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O'Brien DM, Niles KR, Black J, Schoeller DA. The Breath Carbon Isotope Ratio Reflects Short-term Added-Sugar Intake in a Dose-Response, Crossover Feeding Study of 12 Healthy Adults. J Nutr 2021; 151:628-635. [PMID: 33438009 PMCID: PMC7948200 DOI: 10.1093/jn/nxaa352] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2020] [Revised: 09/21/2020] [Accepted: 10/13/2020] [Indexed: 11/14/2022] Open
Abstract
BACKGROUND Objective dietary biomarkers are urgently needed for a wider range of foods and nutrients. The breath carbon isotope ratio (CIR; measured as δ13C values) has potential as a noninvasive measure of short-term added sugar (AS) intake but has not been evaluated in a controlled-feeding study. OBJECTIVE The aim was to evaluate the effect of short-term AS intake on breath CIR in a dose-response, randomized, crossover feeding study. METHODS Six men and 6 women, aged 25 to 60 y, were randomly assigned to a balanced sequence of 5 dietary treatments. Three treatments delivered low (0 g/d), medium (75 g/d), or high (150 g/d) amounts of AS over the course of a single day's breakfast and lunch and 2 switched high and low intake amounts between breakfast and lunch. Experimental meals delivered 60% of daily energy and added-sugar targets. There was a washout period of 1-2 wk between treatments. Breath was collected at 2-h intervals from 08:00 (fasting) to 16:00 h. Breath CIR was measured using cavity ring-down spectroscopy, and the effects of dietary treatments and baseline were evaluated using multivariate linear regression. RESULTS Breath CIR showed a significant response to increasing AS intake at all sampling time points (all P < 0.0001), with a dose-response of 0.030 (95% CI: 0.024, 0.037) ‰/g. Fasting breath CIR (baseline) influenced postfeeding breath CIR at all sampling time points (P < 0.0001); however, effect sizes were largest in the morning. For afternoon-collected samples (14:00 and 16:00), the effect of recent AS intake (lunch) was 4-fold greater than the effect of previous added-sugar intake (breakfast). CONCLUSIONS These findings support the potential of the breath CIR as a biomarker of short-term AS intake in healthy US adults. More work is needed to evaluate other potential dietary effects and whether multiple breath collections could capture daily AS intake.
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Affiliation(s)
| | - Kristine R Niles
- Center for Alaska Native Health Research, Institute of Arctic Biology, University of Alaska Fairbanks, Fairbanks, AK, USA
| | - Jynene Black
- Center for Alaska Native Health Research, Institute of Arctic Biology, University of Alaska Fairbanks, Fairbanks, AK, USA
| | - Dale A Schoeller
- Nutrition Sciences, University of Wisconsin–Madison, Madison, WI, USA
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12
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Lacombe RJS, Bazinet RP. Natural abundance carbon isotope ratio analysis and its application in the study of diet and metabolism. Nutr Rev 2020; 79:869-888. [PMID: 33141222 DOI: 10.1093/nutrit/nuaa109] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023] Open
Abstract
Due to differences in carbon assimilation pathways between plants, there are subtle but distinct variations in the carbon isotope ratios of foods and animal products throughout the food supply. Although it is well understood that the carbon isotope ratio composition of the diet influences that of the consumers' tissues, the application of natural abundance carbon isotope ratio analysis in nutrition has long been underappreciated. Over the past decade, however, several studies have investigated the utility of carbon isotope ratio analysis for evaluation of nutritional biomarker status, primarily focusing on its application as an objective indicator of sugar and animal protein intake. More recently, research investigating the application of natural abundance measurements has been extended to study fatty acid metabolism and has yielded encouraging results. Collectively, data from large-scale observational studies and experimental animal studies highlight the potential for carbon isotope ratio analysis as an additional and effective tool to study diet and metabolism. The purpose of this review is to provide an overview of natural abundance carbon isotope ratio analysis, its application to studying nutrition, and an update of the research in the field.
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Affiliation(s)
- R J Scott Lacombe
- Dell Pediatric Research Institute, University of Texas at Austin, Austin, Texas, USA.,Department of Nutritional Sciences, University of Toronto, Toronto, Ontario, Canada
| | - Richard P Bazinet
- Dell Pediatric Research Institute, University of Texas at Austin, Austin, Texas, USA
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13
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Reitsema LJ, Jones CE, Gilbert HR, Fragaszy D, Izar P. Isotopic and elemental corroborates for wild bearded capuchin (Sapajus libidinosus) omnivorous dietary adaptation at Fazenda Boa Vista, Brazil. RAPID COMMUNICATIONS IN MASS SPECTROMETRY : RCM 2020; 34:e8856. [PMID: 32526804 DOI: 10.1002/rcm.8856] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/20/2019] [Revised: 05/15/2020] [Accepted: 06/08/2020] [Indexed: 06/11/2023]
Abstract
RATIONALE This study analyzes variability in the diets of wild bearded capuchin monkeys, Sapajus libidinosus, by analyzing stable carbon (δ13 C) and nitrogen (δ15 N) isotope ratios and elemental concentrations (%C and %N) of fecal samples and food items. Developing isotopic and elemental correlates for diets of habituated subjects is a necessary step towards applying similar methods to interpret diets of unhabituated or cryptic subjects. METHODS Fecal samples from wild capuchins and their foods were collected at Fazenda Boa Vista, Brazil. Fecal samples from laboratory-housed Sapajus spp. and their foods were analyzed to establish diet-feces offsets for δ13 C, δ15 N, %C, and %N. Samples were dried, powdered, and measured for isotopic and elemental values. A Bayesian mixing model commutes isotopic and elemental data from wild capuchins into likely proportions of different food categories. RESULTS The captive study shows small diet-feces spaces for Sapajus spp. of -0.8 ± 0.7‰ for δ13 C, -0.2 ± 0.4‰ for δ15 N, -6.1 ± 1.7% for %C, and -1.0 ± 0.6% for %N. The wild study shows omnivorous diets based on C3 , C4 , and CAM plants, and fauna. Subject diets are highly varied within and between days. Fecal data show age-related differences in diet and crop-raiding. There is no consistent isotopic or elemental difference between mothers and infants. CONCLUSIONS Fecal stable isotope and elemental evidence employed in a Bayesian mixing model reflects the highly varied diets of capuchin monkeys in an isotopically heterogeneous environment. The isotopic and elemental variability reported here will aid similar diet reconstructions among unhabituated subjects in the future, but precludes tracking weaning isotopically among capuchins in this environment.
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Affiliation(s)
| | - Caroline E Jones
- Department of Psychology, University of Georgia, Athens, GA, USA
| | - Hannah R Gilbert
- Department of Chemistry, University of Georgia, Athens, GA, USA
- Department of Respiratory Sciences, University of Leicester, Leicester, UK
| | - Dorothy Fragaszy
- Department of Psychology, University of Georgia, Athens, GA, USA
| | - Patrícia Izar
- Department of Experimental Psychology, University of Sao Paulo, Sao Paulo, BRAZIL
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14
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Ehleringer JR, Covarrubias Avalos S, Tipple BJ, Valenzuela LO, Cerling TE. Stable isotopes in hair reveal dietary protein sources with links to socioeconomic status and health. Proc Natl Acad Sci U S A 2020; 117:20044-20051. [PMID: 32747534 PMCID: PMC7443935 DOI: 10.1073/pnas.1914087117] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
Abstract
Carbon and nitrogen isotope ratios in hair sampled from 65 communities across the central and intermountain regions of the United States and more intensively throughout 29 ZIP codes in the Salt Lake Valley, Utah, revealed a dietary divergence related to socioeconomic status as measured by cost of living, household income, and adjusted gross income. Corn-fed, animal-derived proteins were more common in the diets of lower socioeconomic status populations than were plant-derived proteins, with individual estimates of animal-derived protein diets as high as 75%; United States towns and cities averaged 57%. Similar patterns were seen across the socioeconomic status spectrum in the Salt Lake Valley. It is likely that corn-fed animal proteins were associated with concentrated animal-feeding operations, a common practice for industrial animal production in the United States today. Given recent studies highlighting the negative impacts of animal-derived proteins in our diets, hair carbon isotope ratios could provide an approach for scaling assessments of animal-sourced foods and health risks in communities across the United States.
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Affiliation(s)
- James R Ehleringer
- School of Biological Sciences, University of Utah, Salt Lake City, UT 84112;
- Global Change and Sustainability Center, University of Utah, Salt Lake City, UT 84112
| | | | - Brett J Tipple
- School of Biological Sciences, University of Utah, Salt Lake City, UT 84112
- Global Change and Sustainability Center, University of Utah, Salt Lake City, UT 84112
| | - Luciano O Valenzuela
- School of Biological Sciences, University of Utah, Salt Lake City, UT 84112
- Consejo Nacional de Investigaciones Científicas y Técnicas, Laboratorio de Ecología Evolutiva Humana, Universidad Nacional del Centro de la Provincia de Buenos Aires, CP 7631 Quequén, Buenos Aires, Argentina
| | - Thure E Cerling
- School of Biological Sciences, University of Utah, Salt Lake City, UT 84112
- Department of Geology and Geophysics, University of Utah, Salt Lake City, UT 84112
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15
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Bataille CP, Chartrand MMG, Raposo F, St-Jean G. Assessing geographic controls of hair isotopic variability in human populations: A case-study in Canada. PLoS One 2020; 15:e0237105. [PMID: 32776947 PMCID: PMC7416927 DOI: 10.1371/journal.pone.0237105] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2020] [Accepted: 07/20/2020] [Indexed: 12/24/2022] Open
Abstract
Studying the isotope variability in fast-growing human tissues (e.g., hair, nails) is a powerful tool to investigate human nutrition. However, interpreting the controls of this isotopic variability at the population scale is often challenging as multiple factors can superimpose on the isotopic signals of a current population. Here, we analyse carbon, nitrogen, and sulphur isotopes in hair from 590 Canadian resident volunteers along with demographics, dietary and geographic information about each participant. We use a series of machine-learning regressions to demonstrate that the isotopic values in Canadian residents' hair are not only influenced by dietary choices but by geographic controls. First, we show that isotopic values in Canadian residents' hair have a limited range of variability consistent with the homogenization of Canadian dietary habits (as in other industrialized countries). As expected, some of the isotopic variability within the population correlates with recorded individual dietary choices. More interestingly, some regional spatial patterns emerge from carbon and sulphur isotope variations. The high carbon isotope composition of the hair of eastern Canadians relative to that of western Canadians correlates with the dominance of corn in the eastern Canadian food-industry. The gradient of sulphur isotope composition in Canadian hair from coast to inland regions correlates with the increasing soil pH and decreasing deposition of marine-derived sulphate aerosols in local food systems. We conclude that part of the isotopic variability found in the hair of Canadian residents reflects the isotopic signature associated with specific environmental conditions and agricultural practices of regional food systems transmitted to humans through the high consumption rate of intra-provincial food in Canada. Our study also underscores the strong potential of sulphur isotopes as tracers of human and food provenance.
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Affiliation(s)
- Clement P. Bataille
- Department of Earth and Environmental Sciences, University of Ottawa, Ottawa, Ontario, Canada
| | | | - Francis Raposo
- Department of Earth and Environmental Sciences, University of Ottawa, Ottawa, Ontario, Canada
| | - Gilles St-Jean
- Department of Earth and Environmental Sciences, University of Ottawa, Ottawa, Ontario, Canada
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16
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Yun HY, Tinker LF, Neuhouser ML, Schoeller DA, Mossavar-Rahmani Y, Snetselaar LG, Van Horn LV, Eaton CB, Prentice RL, Lampe JW, O'Brien DM. The Carbon Isotope Ratios of Serum Amino Acids in Combination with Participant Characteristics can be Used to Estimate Added Sugar Intake in a Controlled Feeding Study of US Postmenopausal Women. J Nutr 2020; 150:2764-2771. [PMID: 32712658 PMCID: PMC7549297 DOI: 10.1093/jn/nxaa195] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2020] [Revised: 05/20/2020] [Accepted: 06/17/2020] [Indexed: 01/26/2023] Open
Abstract
BACKGROUND The carbon isotope ratio (CIR) is a proposed biomarker for added sugar (AS) intake in the United States; however, because the CIR is also associated with meat intake in most populations the need for specificity remains. The CIR of amino acids (AAs) has the potential to differentiate sugars from meat intakes, because essential AAs must derive from dietary protein whereas certain nonessential AAs can be synthesized from sugars. OBJECTIVES We tested whether serum CIR-AAs in combination with participant characteristics could meet a prespecified biomarker criterion for AS intake in the Nutrition and Physical Activity Assessment Study Feeding Study (NPAAS-FS) of the Women's Health Initiative, a population in which the whole-serum CIR was not associated with AS intake. METHODS Postmenopausal women (n = 145) from Seattle, WA, were provided with individualized diets that approximated their habitual food intakes for 2 wk. Dietary intakes from consumed foods were characterized over the feeding period using the Nutrition Data System for Research. The CIR of 7 AAs-Ala, Gly, Val, Leu, Ile, Pro, and Phe-were measured in fasting serum collected at the end of the 2-wk feeding period, using gas chromatography-combustion isotope ratio mass spectrometry. Biomarker models were evaluated using regression R2 ≥ 0.36 as a major biomarker criterion, based on the benchmark R2 values of well-established recovery biomarkers in the NPAAS-FS. RESULTS AS intake was associated with CIR-Ala (ρ = 0.32; P < 0.0001). A model of AS intake based on CIR-Ala, CIR-Gly, CIR-Ile, smoking, leisure physical activity, and body weight met the biomarker criterion (R2 = 0.37). Biomarker-estimated AS intake was not associated with meat or animal protein intake. CONCLUSIONS Results support serum CIR-AAs in combination with participant characteristics as potential biomarkers of AS intake in US populations, including those with low AS intake.The Women's Health Initiative is registered at clinicaltrials.gov (NCT00000611).
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Affiliation(s)
- Hee Young Yun
- Center for Alaska Native Health Research, Institute of Arctic Biology, Department of Biology and Wildlife, University of Alaska Fairbanks, Fairbanks, AK, USA
| | - Lesley F Tinker
- Division of Public Health Sciences, Fred Hutchinson Cancer Research Center, Seattle, WA, USA
| | - Marian L Neuhouser
- Division of Public Health Sciences, Fred Hutchinson Cancer Research Center, Seattle, WA, USA
| | - Dale A Schoeller
- Department of Nutritional Sciences, University of Wisconsin, Madison, WI, USA
| | - Yasmin Mossavar-Rahmani
- Department of Epidemiology and Population Health, Albert Einstein College of Medicine, Bronx, New York, NY, USA
| | | | - Linda V Van Horn
- Department of Preventive Medicine, Northwestern University, Chicago, IL, USA
| | - Charles B Eaton
- Department of Family Medicine, Alpert Medical School, Department of Epidemiology, School of Public Health, Brown University, Providence, RI, USA
| | - Ross L Prentice
- Division of Public Health Sciences, Fred Hutchinson Cancer Research Center, Seattle, WA, USA
| | - Johanna W Lampe
- Division of Public Health Sciences, Fred Hutchinson Cancer Research Center, Seattle, WA, USA
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17
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Nardoto GB, da Silva RJ, Schor T, Garavello MEPE, da Silva MRF, Rodrigues LPF, Murrieta RSS, Camilo EA, Reinaldo EDF, de Aquino FC, da Silva EA, de Camargo PB, Moreira MZ, Mazzi EA, Duarte-Neto PJ, Martinelli LA. Mapping carbon and nitrogen isotopic composition of fingernails to demonstrate a rural-urban nutrition transition in the Center-West, Northeast, and Amazon regions of Brazil. AMERICAN JOURNAL OF PHYSICAL ANTHROPOLOGY 2020; 172:650-663. [PMID: 32491211 DOI: 10.1002/ajpa.24078] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/22/2019] [Revised: 04/08/2020] [Accepted: 04/27/2020] [Indexed: 12/26/2022]
Abstract
OBJECTIVE The main objective of this study is to investigate diet patterns among rural and urban populations of the Center-West, Northeast, and Amazon regions of Brazil through the carbon and nitrogen isotopic composition of fingernails, recognizing that the extent of market integration is a key driver of food consumption. MATERIALS AND METHODS In the Center-West, Northeast, and Amazon regions of Brazil, fingernails were sampled in clusters encompassing a major city, town, and rural village. A total of 2,133 fingernails were analyzed. Fingernails were clipped by donors using fingernail clippers. In the laboratory, samples were cleaned then weighed in small tin capsules before being isotopically analyzed for carbon and nitrogen. RESULTS The overall mean δ13 C and δ15 N were -19.7 ± 2.8‰ and 10.6 ± 1.1‰, respectively. In the more remote villages, where access to food markets is more challenging, lower δ13 C prevails, suggesting that Brazilian staple foods (rice, beans, and farinha) still dominate. In areas with easier access to food markets, δ13 C values were higher, suggesting a change to a diet based on C4 plants, typical of a Brazilian supermarket diet. The variability among inhabitants in the same location expressed by a significant inverse correlation between δ13 C and δ15 N fingernail values suggested that "market integration" does not affect everyone equally in each community. DISCUSSION AND CONCLUSION The nutrition transition has not yet reached some remote villages in these regions of Brazil or that the nutrition transition has not yet reached all residents of these remote villages. On the other hand, in several villages there is a considerable adherence to the supermarket diet or that some residents of these villages are already favoring processed food.
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Affiliation(s)
- Gabriela B Nardoto
- Departamento de Ecologia, Instituto de Ciências Biológicas, Universidade de Brasília, Brasília, Brazil
| | | | - Tatiana Schor
- Departamento de Geografia, Universidade Federal do Amazonas, Manaus, Brazil
| | | | - Marcia Regina F da Silva
- Departamento de Gestão Ambiental, Universidade do Estado do Rio Grande do Norte, Mossoró, Brazil
| | | | - Rui Sergio S Murrieta
- Laboratório de Arqueologia, Antropologia Ambiental e Evolutiva (LAAAE), Instituto de Biociências, Universidade de São Paulo, São Paulo, Brazil
| | - Ellen A Camilo
- Departamento de Geografia, Universidade Federal do Amazonas, Manaus, Brazil
| | - Emanoella D F Reinaldo
- Departamento de Gestão Ambiental, Universidade do Estado do Rio Grande do Norte, Mossoró, Brazil
| | | | | | - Plinio B de Camargo
- Laboratório de Ecologia Isotópica, CENA, Universidade de São Paulo, Piracicaba, Brazil
| | - Marcelo Z Moreira
- Laboratório de Ecologia Isotópica, CENA, Universidade de São Paulo, Piracicaba, Brazil
| | - Edmar A Mazzi
- Laboratório de Ecologia Isotópica, CENA, Universidade de São Paulo, Piracicaba, Brazil
| | - Paulo José Duarte-Neto
- Departamento de Estatística e Informática, Universidade Federal Rural de Pernambuco, Recife, Brazil
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18
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Durso AM, Smith GD, Hudson SB, French SS. Stoichiometric and stable isotope ratios of wild lizards in an urban landscape vary with reproduction, physiology, space and time. CONSERVATION PHYSIOLOGY 2020; 8:coaa001. [PMID: 32082575 PMCID: PMC7019090 DOI: 10.1093/conphys/coaa001] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/06/2018] [Revised: 12/13/2019] [Accepted: 01/08/2020] [Indexed: 06/10/2023]
Abstract
Spatial and temporal variation in stoichiometric and stable isotope ratios of animals contains ecological information that we are just beginning to understand. In both field and lab studies, stoichiometric or isotopic ratios are related to physiological mechanisms underlying nutrition or stress. Conservation and ecosystem ecology may be informed by isotopic data that can be rapidly and non-lethally collected from wild animals, especially where human activity leaves an isotopic signature (e.g. via introduction of chemical fertilizers, ornamental or other non-native plants or organic detritus). We examined spatial and temporal variation in stoichiometric and stable isotope ratios of the toes of Uta stansburiana (side-blotched lizards) living in urban and rural areas in and around St. George, Utah. We found substantial spatial and temporal variation as well as context-dependent co-variation with reproductive physiological parameters, although certain key predictions such as the relationship between δ15N and body condition were not supported. We suggest that landscape change through urbanization can have profound effects on wild animal physiology and that stoichiometric and stable isotope ratios can provide unique insights into the mechanisms underlying these processes.
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Affiliation(s)
- Andrew M Durso
- Department of Biology and the Ecology Center, Utah State University, 5305 Old Main Hill, Logan UT 84321 USA
- Department of Biological Sciences, Florida Gulf Coast University, 10501 FGCU Blvd S, Fort Myers, FL 33965 USA
| | - Geoffrey D Smith
- Department of Biology and the Ecology Center, Utah State University, 5305 Old Main Hill, Logan UT 84321 USA
- Biological Sciences Department, Dixie State University, 225 S. University Avenue, St. George, UT 84770 USA
| | - Spencer B Hudson
- Department of Biology and the Ecology Center, Utah State University, 5305 Old Main Hill, Logan UT 84321 USA
| | - Susannah S French
- Department of Biology and the Ecology Center, Utah State University, 5305 Old Main Hill, Logan UT 84321 USA
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19
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Dailey-Chwalibóg T, Huneau JF, Mathé V, Kolsteren P, Mariotti F, Mostak MR, Alim MA, Khan MMST, Khan MAH, Guesdon B, Fouillet H. Weaning and stunting affect nitrogen and carbon stable isotope natural abundances in the hair of young children. Sci Rep 2020; 10:2522. [PMID: 32054911 PMCID: PMC7018826 DOI: 10.1038/s41598-020-59402-8] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2019] [Accepted: 01/28/2020] [Indexed: 01/29/2023] Open
Abstract
Natural abundances of stable nitrogen and carbon isotopes (δ15N and δ13C) can vary with both dietary intake and metabolic (specifically catabolic) state. In low-income countries, weaning is a period of dietary transition from milk to plant-based foods and a high-risk period for malnutrition. We explored how diet and malnutrition impact hair δ15N and δ13C in young children by an observational, cross-sectional study in Cox’s Bazar District, Bangladesh [255 children, 6–59 months with 19.6% wasted (7.1% severely) and 36% stunted (9.8% severely)]. Hair δ15N and δ13C exhibited exponential decreases with age, with the loss of one trophic level (3.3‰ and 0.8‰, respectively) from 6 to 48 months, which we associate with the shift from exclusive breastfeeding to complete weaning. After adjustment for age and breastfeeding status, hair isotopic values were unaffected by wasting but lower in severe stunting (−0.45‰ to −0.6‰, P < 0.01). In this population of young children, whose isotopic values in hair primarily depended on age, we failed to observe any effect of wasting, likely due to opposite, compensating effects between dietary and metabolic changes involved. In contrast, we evidenced low δ15N and δ13C values in severely stunted children that likely indicate chronic exposure to diets low in animal products.
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Affiliation(s)
- Trenton Dailey-Chwalibóg
- Université Paris-Saclay, AgroParisTech, INRAE, UMR PNCA, 75005, Paris, France.,Department of Food Technology, Safety and Health, Ghent University, Ghent, Belgium.,Department of Expertise and Advocacy, Action Contre la Faim (ACF), Paris, France
| | | | - Véronique Mathé
- Université Paris-Saclay, AgroParisTech, INRAE, UMR PNCA, 75005, Paris, France
| | - Patrick Kolsteren
- Department of Food Technology, Safety and Health, Ghent University, Ghent, Belgium
| | - François Mariotti
- Université Paris-Saclay, AgroParisTech, INRAE, UMR PNCA, 75005, Paris, France
| | - Md Rayhan Mostak
- Palli Karma-Sahayak Foundation (PKSF), Dhaka, Bangladesh.,Action Against Hunger (AAH), Dhaka, Bangladesh
| | - Md Abdul Alim
- National Nutrition Service (NNS), Institute of Public Health Nutrition (IPHN), Dhaka, Bangladesh
| | | | | | - Benjamin Guesdon
- Department of Expertise and Advocacy, Action Contre la Faim (ACF), Paris, France
| | - Helene Fouillet
- Université Paris-Saclay, AgroParisTech, INRAE, UMR PNCA, 75005, Paris, France.
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20
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Handler A, Lonsdorf E, Ardia D. Evidence for red fox (Vulpes vulpes) exploitation of anthropogenic food sources along an urbanization gradient using stable isotope analysis. CAN J ZOOL 2020. [DOI: 10.1139/cjz-2019-0004] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
As urban areas expand, wildlife show adaptations to urban ecosystems. We tested two hypotheses for urban populations of red fox (Vulpes vulpes (Linnaeus, 1758)) in urban areas: the population pressure hypothesis, which posits that urban foxes make do with suboptimal habitat, and the urban island hypothesis, which presumes that urban areas provide high-quality habitat. We investigated habitat quality by investigating anthropogenic food in fox diets across a rural–urban gradient in Lancaster, Pennsylvania (USA). We used stable carbon isotopes because human food can have a distinct stable carbon isotope signature. We collected fox hair and stomach samples from 21 locations and extracted land use and land cover characteristics within a 100 ha buffer area. We found that higher δ13C values in fox hair were positively correlated with impervious surface cover and developed open spaces, key metrics of urbanization, and negatively associated with agricultural land cover, an indicator of rural habitats. Overall, fox hair δ13C was less related to urbanization and more related to the availability of developed open spaces that provide habitat with vegetation cover and access to nearby food sources. Our results suggest that urban habitats are high quality and support the growing literature revealing that certain species may thrive in urban areas.
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Affiliation(s)
- A.M. Handler
- Department of Earth and Environment, Franklin and Marshall College, Lancaster, PA 17604, USA
| | - E.V. Lonsdorf
- Department of Biology, Franklin and Marshall College, Lancaster, PA 17604, USA
- Institute on the Environment, University of Minnesota, St. Paul, MN 55108, USA
| | - D.R. Ardia
- Department of Biology, Franklin and Marshall College, Lancaster, PA 17604, USA
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21
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Votruba SB, Shaw PA, Oh EJ, Venti CA, Bonfiglio S, Krakoff J, O'Brien DM. Associations of plasma, RBCs, and hair carbon and nitrogen isotope ratios with fish, meat, and sugar-sweetened beverage intake in a 12-wk inpatient feeding study. Am J Clin Nutr 2019; 110:1306-1315. [PMID: 31515553 PMCID: PMC6885477 DOI: 10.1093/ajcn/nqz208] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2019] [Accepted: 07/31/2019] [Indexed: 12/20/2022] Open
Abstract
BACKGROUND Naturally occurring carbon and nitrogen stable isotope ratios [13C/12C (CIR) and 15N/14N (NIR)] are promising dietary biomarkers. As these candidate biomarkers have long tissue residence times, long-term feeding studies are needed for their evaluation. OBJECTIVE Our aim was to evaluate plasma, RBCs, and hair CIR and NIR as biomarkers of fish, meat, and sugar-sweetened beverage (SSB) intake in a 12-wk dietary intervention. METHODS Thirty-two men (aged 46.2 ± 10.5 y; BMI: 27.2 ± 4.0 kg/m2) underwent a 12-wk inpatient dietary intervention at the National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK) in Phoenix, Arizona. The effects of fish, meat, and SSB intake on CIR and NIR were evaluated using a balanced factorial design, with each intake factor at 2 levels (present/absent) in a common, background diet (50% carbohydrate, 30% fat, 20% protein). Fasting blood samples were taken biweekly from baseline, and hair samples were collected at baseline and postintervention. Data were analyzed using multivariable regression. RESULTS The postintervention CIR of plasma was elevated when diets included meat (β = 0.89, 95% CI: 0.73,1.05) and SSBs (β = 0.48, 95% CI: 0.32, 0.64). The postintervention NIR of plasma was elevated when diets included fish (β = 0.85, 95% CI: 0.64, 1.05) and meat (β = 0.61, 95% CI: 0.42, 0.8). Results were similar for RBCs and hair. Postintervention RBC CIR and NIR had strong associations with baseline, suggesting that turnover to the intervention diets was incomplete after 12 wk. Estimates of isotopic turnover rate further confirmed incomplete turnover of RBCs. CONCLUSIONS CIR was associated with meat and SSBs, and more strongly with meat. NIR was associated with fish and meat, and more strongly with fish. Overall, CIR and NIR discriminated between dietary fish and meat, and to a lesser extent SSBs, indicating their potential utility as biomarkers of intake in US diets. Approaches to make these biomarkers more specific are needed. This trial was registered at clinicaltrials.gov as NCT01237093.
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Affiliation(s)
- Susanne B Votruba
- Phoenix Epidemiology and Clinical Research Branch, National Institute of Diabetes and Digestive and Kidney Diseases/NIH, Phoenix, AZ, USA,Address correspondence to SBV (e-mail: )
| | - Pamela A Shaw
- Department of Biostatistics, Epidemiology, and Informatics, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Eric J Oh
- Department of Biostatistics, Epidemiology, and Informatics, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Colleen A Venti
- Phoenix Epidemiology and Clinical Research Branch, National Institute of Diabetes and Digestive and Kidney Diseases/NIH, Phoenix, AZ, USA
| | - Susan Bonfiglio
- Phoenix Epidemiology and Clinical Research Branch, National Institute of Diabetes and Digestive and Kidney Diseases/NIH, Phoenix, AZ, USA
| | - Jonathan Krakoff
- Phoenix Epidemiology and Clinical Research Branch, National Institute of Diabetes and Digestive and Kidney Diseases/NIH, Phoenix, AZ, USA
| | - Diane M O'Brien
- Center for Alaska Native Health Research, Institute of Arctic Biology, Department of Biology and Wildlife, University of Alaska Fairbanks, Fairbanks, AK, USA
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Abdalla Filho AL, Nardoto GB, Galera LDA, de Souza JL, Reis LS, Hernandez YA, Sales R, Gerardi DG, Martinelli LA. Is the 'canine surrogacy approach' (CSA) still valid for dogs and humans in market-oriented and subsistence-oriented communities in Brazil? ISOTOPES IN ENVIRONMENTAL AND HEALTH STUDIES 2019; 55:227-236. [PMID: 30943760 DOI: 10.1080/10256016.2019.1598986] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/11/2018] [Accepted: 02/09/2019] [Indexed: 06/09/2023]
Abstract
Based on the assumptions that human food is available for dogs and isotope diet-tissue differences are similar in dogs and humans, the 'canine surrogacy approach' (CSA) has been used to infer patterns of ancient populations. The goal of this study was to test the CSA in urban (Brasília and Piracicaba) and in rural (Ubatuba and Maraã) areas. The hair C and N isotope ratios of modern dogs were compared with those of human fingernails from different regions of Brazil. Our CSA results showed a correlation between dog and human isotopes values: in rural areas δ15N of humans and dogs was not statistically different; contrarily, in urban centres, δ15N of humans was approximately 1 ‰ higher (p < 0.01) than δ15N of dogs; humans had lower δ13C values (p < 0.01) than dogs in Brasília, Piracicaba and Ubatuba. In Maraã, there was not any significant difference between dogs and humans. We concluded that CSA is still valid as a first approach in modern societies. However, isotopic differences found suggest that in modern societies processed dog food is increasingly disconnecting human and dog, jeopardising the use of CSA in the future if the trend of increasing processed dog food consumption continues to occur.
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Affiliation(s)
| | | | - Leonardo de Aro Galera
- a Centro de Energia Nuclear na Agricultura, Universidade de São Paulo , Sao Paulo , Brazil
| | - Janaina Leite de Souza
- a Centro de Energia Nuclear na Agricultura, Universidade de São Paulo , Sao Paulo , Brazil
| | - Luiza Santos Reis
- a Centro de Energia Nuclear na Agricultura, Universidade de São Paulo , Sao Paulo , Brazil
| | | | - Rebeca Sales
- c Médica Veterinária, Autônoma , Brasilia , Brazil
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23
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Yun HY, Lampe JW, Tinker LF, Neuhouser ML, Beresford SAA, Niles KR, Mossavar-Rahmani Y, Snetselaar LG, Van Horn L, Prentice RL, O'Brien DM. Serum Nitrogen and Carbon Stable Isotope Ratios Meet Biomarker Criteria for Fish and Animal Protein Intake in a Controlled Feeding Study of a Women's Health Initiative Cohort. J Nutr 2018; 148:1931-1937. [PMID: 30239866 PMCID: PMC6280000 DOI: 10.1093/jn/nxy168] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2018] [Revised: 06/14/2018] [Accepted: 07/03/2018] [Indexed: 11/13/2022] Open
Abstract
Background Natural abundance stable isotope ratios are candidate biomarkers of dietary intake that have not been evaluated in a controlled feeding study in a US population. Objectives Our goals were to evaluate dietary associations with serum carbon (CIR), nitrogen (NIR), and sulfur (SIR) isotope ratios in postmenopausal women, and to evaluate whether statistical models of dietary intake that include multiple isotopes and participant characteristics meet criteria for biomarker evaluation. Methods Postmenopausal women from the Women's Health Initiative (n = 153) were provided a 2-wk controlled diet that approximated each individual's habitual food intake. Dietary intakes of animal protein, fish/seafood, red meat, poultry, egg, dairy, total sugars, added sugars, sugar-sweetened beverages (SSBs), and corn products were characterized during the feeding period with the use of the Nutrition Data System for Research (NDS-R). The CIR, NIR, and SIR were measured in sera collected from fasting women at the beginning and the end of the feeding period. Linear models based on stable isotope ratios and participant characteristics predicted dietary intake. The criterion used for biomarker evaluation was R2 ≥ 0.36, based on the study's power to detect true associations with R2 ≥ 0.50. Results The NIR was associated with fish/seafood intake and met the criterion for biomarker evaluation (R2 = 0.40). The CIR was moderately associated with intakes of red meat and eggs, but not to the criterion for biomarker evaluation, and was not associated with intake of sugars (total, added, or SSB). A model of animal protein intake based on the NIR, CIR, and participant characteristics met the criterion for biomarker evaluation (R2 = 0.40). Otherwise, multiple isotopes did not improve models of intake, and improvements from including participant characteristics were modest. Conclusion Serum stable isotope ratios can, with participant characteristics, meet biomarker criteria as measures of fish/seafood and animal protein intake in a sample of postmenopausal women. This trial was registered at clinicaltrials.gov as NCT00000611.
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Affiliation(s)
- Hee Young Yun
- Institute of Arctic Biology, University of Alaska Fairbanks, Fairbanks, AK
| | - Johanna W Lampe
- Division of Public Health Sciences, Fred Hutchinson Cancer Research Center, Seattle, WA
- School of Public Health, University of Washington, Seattle, WA
| | - Lesley F Tinker
- Division of Public Health Sciences, Fred Hutchinson Cancer Research Center, Seattle, WA
| | - Marian L Neuhouser
- Division of Public Health Sciences, Fred Hutchinson Cancer Research Center, Seattle, WA
- School of Public Health, University of Washington, Seattle, WA
| | - Shirley A A Beresford
- Division of Public Health Sciences, Fred Hutchinson Cancer Research Center, Seattle, WA
- School of Public Health, University of Washington, Seattle, WA
| | - Kristine R Niles
- Institute of Arctic Biology, University of Alaska Fairbanks, Fairbanks, AK
| | - Yasmin Mossavar-Rahmani
- Department of Epidemiology and Population Health, Albert Einstein College of Medicine, Bronx, NY
| | | | - Linda Van Horn
- Department of Preventive Medicine, Northwestern University, Chicago, IL
| | - Ross L Prentice
- Division of Public Health Sciences, Fred Hutchinson Cancer Research Center, Seattle, WA
- School of Public Health, University of Washington, Seattle, WA
| | - Diane M O'Brien
- Institute of Arctic Biology, University of Alaska Fairbanks, Fairbanks, AK
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Hülsemann F, Gougoulidis V, Schertel T, Fusshöller G, Flenker U, Piper T, Thevis M. Case Study: Atypical
δ
13
C values of urinary norandrosterone. Drug Test Anal 2018; 10:1728-1733. [DOI: 10.1002/dta.2498] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2018] [Revised: 09/05/2018] [Accepted: 09/05/2018] [Indexed: 01/31/2023]
Affiliation(s)
- Frank Hülsemann
- German Sport University Cologne, Institute of Biochemistry Cologne Germany
| | | | - Thomas Schertel
- German Sport University Cologne, Institute of Biochemistry Cologne Germany
| | - Gregor Fusshöller
- German Sport University Cologne, Institute of Biochemistry Cologne Germany
| | - Ulrich Flenker
- German Sport University Cologne, Institute of Biochemistry Cologne Germany
| | - Thomas Piper
- Center for Preventive Doping Research – Institute of BiochemistryGerman Sport University Cologne Cologne Germany
| | - Mario Thevis
- German Sport University Cologne, Institute of Biochemistry Cologne Germany
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25
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Hülsemann F, Koehler K, Wittsiepe J, Wilhelm M, Hilbig A, Kersting M, Braun H, Flenker U, Schänzer W. Prediction of human dietary δ 15N intake from standardised food records: validity and precision of single meal and 24-h diet data. ISOTOPES IN ENVIRONMENTAL AND HEALTH STUDIES 2017; 53:356-367. [PMID: 28292192 DOI: 10.1080/10256016.2017.1302447] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/13/2016] [Accepted: 01/08/2017] [Indexed: 06/06/2023]
Abstract
Natural stable isotope ratios (δ15N) of humans can be used for nutritional analyses and dietary reconstruction of modern and historic individuals and populations. Information about an individual's metabolic state can be obtained by comparison of tissue and dietary δ15N. Different methods have been used to estimate dietary δ15N in the past; however, the validity of such predictions has not been compared to experimental values. For a total of 56 meals and 21 samples of 24-h diets, predicted and experimental δ15N values were compared. The δ15N values were predicted from self-recorded food intake and compared with experimental δ15N values. Predicted and experimental δ15N values were in good agreement for meals and preparations (r = 0.89, p < .001) as well as for the 24-h diets (r = 0.76, p < .001). Dietary δ15N was mainly determined by the amount of fish, whereas the contribution of meat to dietary δ15N values was less pronounced. Prediction of human dietary δ15N values using standardised food records and representative δ15N data sets yields reliable data for dietary δ15N intake. A differentiated analysis of the primary protein sources is necessary when relating the proportion of animal-derived protein in the diet by δ15N analysis.
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Affiliation(s)
- Frank Hülsemann
- a Institute of Biochemistry , German Sport University Cologne , Cologne , Germany
| | - Karsten Koehler
- b Department of Nutrition and Health Sciences , University of Nebraska-Lincoln , Lincoln , NE , USA
| | - Jürgen Wittsiepe
- c Department of Hygiene , Social and Environmental Medicine Ruhr-University Bochum , Bochum , Germany
| | - Michael Wilhelm
- c Department of Hygiene , Social and Environmental Medicine Ruhr-University Bochum , Bochum , Germany
| | - Annett Hilbig
- d Research Institute of Child Nutrition (FKE) , University of Bonn , Dortmund , Germany
| | - Mathilde Kersting
- d Research Institute of Child Nutrition (FKE) , University of Bonn , Dortmund , Germany
| | - Hans Braun
- e German Research Centre of Elite Sports , German Sport University Cologne , Cologne , Germany
| | - Ulrich Flenker
- a Institute of Biochemistry , German Sport University Cologne , Cologne , Germany
| | - Wilhelm Schänzer
- a Institute of Biochemistry , German Sport University Cologne , Cologne , Germany
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26
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Bjerregaard P, Larsen CVL, Dahl-Petersen IK, Buchardt B. Stable isotopes of carbon and nitrogen as markers of dietary variation among sociocultural subgroups of Inuit in Greenland. Am J Hum Biol 2017; 29. [DOI: 10.1002/ajhb.23018] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2016] [Revised: 02/18/2017] [Accepted: 05/01/2017] [Indexed: 11/11/2022] Open
Affiliation(s)
- Peter Bjerregaard
- National Institute of Public Health; University of Southern Denmark; Copenhagen Denmark
- University of Greenland; Nuuk Greenland
| | | | | | - Bjørn Buchardt
- Institute of Geoscience and Natural Resources; University of Copenhagen; Copenhagen Denmark
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27
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Tsutaya T, Fujimori Y, Hayashi M, Yoneda M, Miyabe-Nishiwaki T. Carbon and nitrogen stable isotopic offsets between diet and hair/feces in captive chimpanzees. RAPID COMMUNICATIONS IN MASS SPECTROMETRY : RCM 2017; 31:59-67. [PMID: 27717069 DOI: 10.1002/rcm.7760] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/21/2016] [Revised: 10/04/2016] [Accepted: 10/04/2016] [Indexed: 06/06/2023]
Abstract
RATIONALE Estimation of the stable isotopic offsets between tissue and diet is important for dietary reconstructions. Although stable isotopic studies of chimpanzees (Pan troglodytes) are increasing, the isotopic offsets in chimpanzees have never been studied. In this study, the carbon and nitrogen stable isotopic offset values in hair and feces were measured for 13 captive chimpanzees for the first time. METHODS All consumed food items and quantities were recorded for each individual for 1 week. Food samples were typically collected three times, hair was collected 3 weeks after the experimental week, and feces were collected ad libitum during the experimental week. The stable carbon and nitrogen isotope ratios were measured using elemental analyzer-isotope ratio mass spectrometry (EA-IRMS). RESULTS As the results of Monte Carlo analysis, the estimated carbon and nitrogen offsets between the hair and diet were +3.0 to +3.9‰ and +2.8 to +3.7‰, respectively, for the 95% confidence intervals (CIs). The 95% CIs of the carbon and nitrogen offset values between the feces and diet were -1.6 to 0.0‰ and +1.2 to +2.7‰, respectively. CONCLUSIONS These offset values are generally consistent with those of the other primate species reported in previous studies. However, potential variations in the offset values due to dietary and physiological factors should be studied in detail in the future. Copyright © 2016 John Wiley & Sons, Ltd.
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Affiliation(s)
- Takumi Tsutaya
- Graduate School of Science, Kyoto University, Kyoto, Kyoto, 606-8502, Japan
| | - Yui Fujimori
- Japan Monkey Centre, Inuyama, Aichi, 484-8506, Japan
| | - Misato Hayashi
- Primate Research Institute, Kyoto University, Inuyama, Aichi, 484-0081, Japan
| | - Minoru Yoneda
- The University Museum, The University of Tokyo, Bunkyo, Tokyo, 113-0033, Japan
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Ventresca Miller A, Hanks BK, Judd M, Epimakhov A, Razhev D. Weaning practices among pastoralists: New evidence of infant feeding patterns from Bronze Age Eurasia. AMERICAN JOURNAL OF PHYSICAL ANTHROPOLOGY 2016; 162:409-422. [PMID: 27796036 DOI: 10.1002/ajpa.23126] [Citation(s) in RCA: 35] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/02/2016] [Revised: 10/11/2016] [Accepted: 10/17/2016] [Indexed: 11/09/2022]
Abstract
OBJECTIVES This paper investigates infant feeding practices through stable carbon (δ13 C) and nitrogen (δ15 N) isotopic analyses of human bone collagen from Kamennyi Ambar 5, a Middle Bronze Age cemetery located in central Eurasia. The results presented are unique for the time period and region, as few cemeteries have been excavated to reveal a demographic cross-section of the population. Studies of weaning among pastoral societies are infrequent and this research adds to our knowledge of the timing, potential supplementary foods, and cessation of breastfeeding practices. MATERIALS AND METHODS Samples were collected from 41 subadults (<15 years) and 27 adults (15+ years). Isotopic reference sets from adult humans as well as faunal remains were utilized as these form the primary and complementary foods fed to infants. RESULTS Slight shifts in δ13 C and δ15 N values revealed that weaning was a multi-stage process (breastfeeding, weaning, and complete cessation of nursing) that began at 6 months of age, occurred over several years of early childhood, and was completed by 4 years of age. DISCUSSION Our results indicate that weaning was a multi-stage process that was unique among late prehistoric pastoralist groups in Eurasia that were dependent on milk products as a supplementary food. Our discussion centers on supporting this hypothesis with modern information on central and east Eurasian herding societies including the age at which complementary foods are introduced, the types of complementary foods, and the timing of the cessation of breastfeeding. Integral to this work is the nature of pastoral economies and their dependence on animal products, the impact of complementary foods on nutrition and health, and how milk processing may have affected nutrition content and digestibility of foods. This research on Eurasian pastoralists provides insights into the complexities of weaning among prehistoric pastoral societies as well as the potential for different complementary foods to be incorporated into infant diets in the past.
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Affiliation(s)
- Alicia Ventresca Miller
- Christian-Albrechts-Universität zu Kiel, Human Development in Landscapes, Institute for Prehistoric and Protohistoric Archaeology, Archaeological Stable Isotope Laboratory, Johanna-Mestorf-Straße 2-6, Kiel, 24118, Germany
| | - Bryan K Hanks
- Department of Anthropology, University of Pittsburgh, Pittsburgh, Pennsylvania, 15260
| | - Margaret Judd
- Department of Anthropology, University of Pittsburgh, Pittsburgh, Pennsylvania, 15260
| | - Andrey Epimakhov
- Institute of History and Archaeology, Yekaterinburg, Russia.,Southern Ural State University, Chelyabinsk, Russia
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29
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Homogeneous diet of contemporary Japanese inferred from stable isotope ratios of hair. Sci Rep 2016; 6:33122. [PMID: 27616586 PMCID: PMC5018884 DOI: 10.1038/srep33122] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/29/2016] [Accepted: 08/17/2016] [Indexed: 11/17/2022] Open
Abstract
The globalization of food production and distribution has homogenized human dietary patterns irrespective of geography, but it is uncertain how far this homogenization has progressed. This study investigated the carbon and nitrogen isotope ratios in the scalp hair of 1305 contemporary Japanese and found values of −19.4 ± 0.6‰ and 9.4 ± 0.6‰ (mean ± SD), respectively. Within Japan, the inter-regional differences for both isotope ratios was less than 1‰, which indicates low dietary heterogeneity among prefectural divisions. The carbon and nitrogen isotope ratios of the hair showed a significant correlation with the results of questionnaires on self-reported dietary habits. The carbon isotope ratios from Japan were lower than those in samples from the USA but higher than those in samples from Europe. These differences stem from the varying dietary proportions of food products originally derived from C3 and C4 plants. The dietary variation of Japan is as small as those of Europe and USA and smaller than those of some Asian countries. These results indicate that dietary homogeneity has progressed in Japan, which may indicate the influence from the spread of the Western-style diet and food globalization, although dietary heterogeneity among countries is still preserved.
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Lång K, Eriksson Stenström K, Rosso A, Bech M, Zackrisson S, Graubau D, Mattsson S. 14C BOMB-PULSE DATING AND STABLE ISOTOPE ANALYSIS FOR GROWTH RATE AND DIETARY INFORMATION IN BREAST CANCER? RADIATION PROTECTION DOSIMETRY 2016; 169:158-164. [PMID: 27179119 PMCID: PMC4911969 DOI: 10.1093/rpd/ncw107] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/07/2016] [Indexed: 06/05/2023]
Abstract
The purpose of this study was to perform an initial investigation of the possibility to determine breast cancer growth rate with (14)C bomb-pulse dating. Tissues from 11 breast cancers, diagnosed in 1983, were retrieved from a regional biobank. The estimated average age of the majority of the samples overlapped the year of collection (1983) within 3σ Thus, this first study of tumour tissue has not yet demonstrated that (14)C bomb-pulse dating can obtain information on the growth of breast cancer. However, with further refinement, involving extraction of cell types and components, there is a possibility that fundamental knowledge of tumour biology might still be gained by the bomb-pulse technique. Additionally, δ (13)C and δ (15)N analyses were performed to obtain dietary and metabolic information, and to serve as a base for improvement of the age determination.
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Affiliation(s)
- K Lång
- Department of Translational Medicine, Division of Diagnostic Radiology, Lund University, Malmö, Sweden
| | - K Eriksson Stenström
- Department of Physics, Division of Nuclear Physics, Lund University, Lund, Sweden
| | - A Rosso
- Epidemiology and Register Centre South, Skåne University Hospital, Lund, Sweden
| | - M Bech
- Department of Clinical Sciences, Division of Medical Radiation Physics, Lund University, Lund, Sweden
| | - S Zackrisson
- Department of Translational Medicine, Division of Diagnostic Radiology, Lund University, Malmö, Sweden
| | - D Graubau
- Department of Clinical Sciences, Division of Pathology, Lund University, Lund, Sweden
| | - S Mattsson
- Department of Translational Medicine, Division of Medical Radiation Physics, Lund University, Malmö, Sweden
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31
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Hülsemann F, Lehn C, Schneider S, Jackson G, Hill S, Rossmann A, Scheid N, Dunn PJH, Flenker U, Schänzer W. Global spatial distributions of nitrogen and carbon stable isotope ratios of modern human hair. RAPID COMMUNICATIONS IN MASS SPECTROMETRY : RCM 2015; 29:2111-2121. [PMID: 26467223 DOI: 10.1002/rcm.7370] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/08/2015] [Revised: 08/20/2015] [Accepted: 08/20/2015] [Indexed: 06/05/2023]
Abstract
RATIONALE Natural stable carbon (δ(13)C) and nitrogen isotope ratios (δ(15)N) of humans are related to individual dietary habits and environmental and physiological factors. In forensic science the stable isotope ratios of human remains such as hair and nail are used for geographical allocation. Thus, knowledge of the global spatial distribution of human δ(13)C and δ(15)N values is an essential component in the interpretation of stable isotope analytical results. METHODS No substantial global datasets of human stable isotope ratios are currently available, although the amount of available (published) data has increased within recent years. We have herein summarised the published data on human global δ(13)C andδ(15)N values (around 3600 samples) and added experimental values of more than 400 additional worldwide human hair and nail samples. In order to summarise isotope ratios for hair and nail samples correction factors were determined. RESULTS The current available dataset of human stable isotope ratios is biased towards Europe and North America with only limited data for countries in Africa, Central and South America and Southeast Asia. The global spatial distribution of carbon isotopes is related to latitude and supports the fact that human δ(13)C values are dominated by the amount of C4 plants in the diet, either due to direct ingestion as plant food, or by its use as animal feed. In contrast, the global spatial distribution of human δ(15)N values is apparently not exclusively related to the amount of fish or meat ingested, but also to environmental factors that influence agricultural production. CONCLUSIONS There are still a large proportion of countries, especially in Africa, where there are no available data for human carbon and nitrogen isotope ratios. Although the interpretation of modern human carbon isotope ratios at the global scale is quite possible, and correlates with the latitude, the potential influences of extrinsic and/or intrinsic factors on human nitrogen isotope ratios have to be taken into consideration.
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Affiliation(s)
- Frank Hülsemann
- Institute of Biochemistry, German Sport University Cologne, Am Sportpark Müngersdorf 6, 50933, Köln, Germany
| | - Christine Lehn
- Institute of Forensic Medicine, Ludwig-Maximilians-University Munich, Nußbaumstr. 26, 80336, München, Germany
| | - Sabine Schneider
- Forensic Science Institute, Federal Criminal Police Office, Unit Central Analytics II, Thaerstraße 11, 65193, Wiesbaden, Germany
| | - Glen Jackson
- Forensic and Investigative Science, C. Eugene Bennett Department of Chemistry, West Virginia University, 308 Oglebay Hall, Morgantown, WV, 26506-6121, USA
| | - Sarah Hill
- LGC, Queens Road, Teddington, TW11 0LY, UK
| | - Andreas Rossmann
- isolab GmbH, Laboratorium für Stabile Isotope, Woelkestrasse 9/I, 85301, Schweitenkirchen, Germany
| | - Nicole Scheid
- Forensic Science Institute, Federal Criminal Police Office, Unit Central Analytics II, Thaerstraße 11, 65193, Wiesbaden, Germany
| | | | - Ulrich Flenker
- Institute of Biochemistry, German Sport University Cologne, Am Sportpark Müngersdorf 6, 50933, Köln, Germany
| | - Wilhelm Schänzer
- Institute of Biochemistry, German Sport University Cologne, Am Sportpark Müngersdorf 6, 50933, Köln, Germany
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32
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Direct association between diet and the stability of human atherosclerotic plaque. Sci Rep 2015; 5:15524. [PMID: 26490319 PMCID: PMC4614889 DOI: 10.1038/srep15524] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2015] [Accepted: 09/23/2015] [Indexed: 11/08/2022] Open
Abstract
Mediterranean diet has been suggested to explain why coronary heart disease mortality is lower in southern than northern Europe. Dietary habits can be revealed by isotope ratio mass spectrometry (IRMS) measurement of carbon (δ(13)C) and nitrogen (δ(15)N) in biological tissues. To study if diet is associated with human plaque stability, atherosclerotic plaques from carotid endarterectomy on 56 patients (21 Portuguese and 35 Swedish) were analysed by IRMS and histology. Plaque components affecting rupture risk were measured. Swedish plaques had more apoptosis, lipids and larger cores, as well as fewer proliferating cells and SMC than the Portuguese, conferring the Swedish a more rupture-prone phenotype. Portuguese plaques contained higher δ(13)C and δ(15)N than the Swedish, indicating that Portuguese plaques were more often derived from marine food. Plaque δ(13)C correlated with SMC and proliferating cells, and inversely with lipids, core size, apoptosis. Plaque δ(15)N correlated with SMC and inversely with lipids, core size and apoptosis. This is the first observational study showing that diet is reflected in plaque components associated with its vulnerability. The Portuguese plaques composition is consistent with an increased marine food intake and those plaques are more stable than those from Swedish patients. Marine-derived food is associated with plaque stability.
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Umezaki M, Naito YI, Tsutaya T, Baba J, Tadokoro K, Odani S, Morita A, Natsuhara K, Phuanukoonnon S, Vengiau G, Siba PM, Yoneda M. Association between sex inequality in animal protein intake and economic development in the Papua New Guinea highlands: The carbon and nitrogen isotopic composition of scalp hair and fingernail. AMERICAN JOURNAL OF PHYSICAL ANTHROPOLOGY 2015; 159:164-73. [DOI: 10.1002/ajpa.22844] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/12/2014] [Revised: 08/09/2015] [Accepted: 08/11/2015] [Indexed: 11/11/2022]
Affiliation(s)
- Masahiro Umezaki
- Department of Human Ecology; Graduate School of Medicine, The University of Tokyo; Hongo Tokyo 113-0033 Japan
| | - Yuichi I. Naito
- Department of Integrated Biosciences; Graduate School of Frontier Sciences, The University of Tokyo; Japan
| | - Takumi Tsutaya
- Department of Integrated Biosciences; Graduate School of Frontier Sciences, The University of Tokyo; Japan
| | - Jun Baba
- Faculty of Urban Liberal Arts; Tokyo Metropolitan University; Tokyo Japan
| | - Kiyoshi Tadokoro
- Department of Human Ecology; Graduate School of Medicine, The University of Tokyo; Hongo Tokyo 113-0033 Japan
- Faculty of International Resource Sciences; Akita University; Akita Japan
| | - Shingo Odani
- Faculty of Letters; Chiba University; Chiba Japan
| | - Ayako Morita
- Department of Human Ecology; Graduate School of Medicine, The University of Tokyo; Hongo Tokyo 113-0033 Japan
- Graduate School of Medical and Dental Sciences; Tokyo Medical and Dental University; Tokyo Japan
| | - Kazumi Natsuhara
- Faculty of Nursing; The Japanese Red Cross Akita College of Nursing; Akita Japan
| | | | - Gwendalyn Vengiau
- Papua New Guinea Institute of Medical Research; Goroka Papua New Guinea
| | - Peter M. Siba
- Papua New Guinea Institute of Medical Research; Goroka Papua New Guinea
| | - Minoru Yoneda
- Department of Integrated Biosciences; Graduate School of Frontier Sciences, The University of Tokyo; Japan
- The University Museum, The University of Tokyo; Japan
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34
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Hopkins JB, Kurle CM. Measuring the realized niches of animals using stable isotopes: from rats to bears. Methods Ecol Evol 2015. [DOI: 10.1111/2041-210x.12446] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Affiliation(s)
- John B. Hopkins
- Division of Biological Sciences Ecology, Behavior and Evolution Section University of California San Diego 9500 Gilman Drive La Jolla CA 92093 USA
- Department of Ecology and Evolutionary Biology University of California Santa Cruz, 1156 High Street Santa Cruz CA 95064 USA
| | - Carolyn M. Kurle
- Division of Biological Sciences Ecology, Behavior and Evolution Section University of California San Diego 9500 Gilman Drive La Jolla CA 92093 USA
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35
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Reitsema LJ. Laboratory and field methods for stable isotope analysis in human biology. Am J Hum Biol 2015. [DOI: 10.1002/ajhb.22754] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023] Open
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Naito YI, Morita A, Natsuhara K, Tadokoro K, Baba J, Odani S, Tomitsuka E, Igai K, Tsutaya T, Yoneda M, Greenhill AR, Horwood PF, Soli KW, Phuanukoonnon S, Siba PM, Umezaki M. Association of protein intakes and variation of diet-scalp hair nitrogen isotopic discrimination factor in Papua New Guinea highlanders. AMERICAN JOURNAL OF PHYSICAL ANTHROPOLOGY 2015; 158:359-70. [DOI: 10.1002/ajpa.22798] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/10/2014] [Revised: 06/09/2015] [Accepted: 06/09/2015] [Indexed: 11/10/2022]
Affiliation(s)
- Yuichi I. Naito
- Department of Integrated Biosciences; Graduate School of Frontier Sciences, The University of Tokyo; Kashiwanoha 5-1-5 Kashiwa Chiba 277-8562 Japan
| | - Ayako Morita
- Department of Human Ecology; Graduate School of Medicine, The University of Tokyo; 7-3-1 Hongo Bunkyo Tokyo 113-0033 Japan
- Tokyo Medical and Dental University; Yushima 1-5-45 Bunkyo-ku Tokyo 113-8519 Japan
| | - Kazumi Natsuhara
- The Japanese Red Cross Akita College of Nursing; Nawashirosawa 17-3, Saruta, Kamikitate Akita Akita 010-1493 Japan
| | - Kiyoshi Tadokoro
- Department of Human Ecology; Graduate School of Medicine, The University of Tokyo; 7-3-1 Hongo Bunkyo Tokyo 113-0033 Japan
| | - Jun Baba
- The Research Institute for Languages and Cultures of Asia and Africa, Tokyo University of Foreign Studies; 3-11-1 Asahi-cho Fuchu Tokyo 183-8534 Japan
| | - Shingo Odani
- Faculty of Letters, Chiba University; 1-33 Yayoicho, Inage Chiba 263-8522 Japan
| | - Eriko Tomitsuka
- Department of Human Ecology; Graduate School of Medicine, The University of Tokyo; 7-3-1 Hongo Bunkyo Tokyo 113-0033 Japan
| | - Katsura Igai
- Graduate School of Biomedical Science, Nagasaki University; 1-12-4 Sakamoto Nagasaki 852-8523 Japan
| | - Takumi Tsutaya
- Department of Integrated Biosciences; Graduate School of Frontier Sciences, The University of Tokyo; Kashiwanoha 5-1-5 Kashiwa Chiba 277-8562 Japan
| | - Minoru Yoneda
- Department of Integrated Biosciences; Graduate School of Frontier Sciences, The University of Tokyo; Kashiwanoha 5-1-5 Kashiwa Chiba 277-8562 Japan
- The University Museum, The University of Tokyo; Hongo 7-3-1 Bunkyo Tokyo 113-0033 Japan
| | - Andrew R. Greenhill
- Papua New Guinea Institute of Medical Research, PO Box 60, Goroka, Eastern Highlands Province 441; Papua New Guinea
- Federation University; Gippsland Campus Northways Road, Churchill Victoria 3842 Australia
| | - Paul F. Horwood
- Papua New Guinea Institute of Medical Research, PO Box 60, Goroka, Eastern Highlands Province 441; Papua New Guinea
| | - Kevin W. Soli
- Papua New Guinea Institute of Medical Research, PO Box 60, Goroka, Eastern Highlands Province 441; Papua New Guinea
| | - Suparat Phuanukoonnon
- Papua New Guinea Institute of Medical Research, PO Box 60, Goroka, Eastern Highlands Province 441; Papua New Guinea
| | - Peter M. Siba
- Papua New Guinea Institute of Medical Research, PO Box 60, Goroka, Eastern Highlands Province 441; Papua New Guinea
| | - Masahiro Umezaki
- Department of Human Ecology; Graduate School of Medicine, The University of Tokyo; 7-3-1 Hongo Bunkyo Tokyo 113-0033 Japan
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37
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Fernandes R, Grootes P, Nadeau MJ, Nehlich O. Quantitative diet reconstruction of a Neolithic population using a Bayesian mixing model (FRUITS): The case study of Ostorf (Germany). AMERICAN JOURNAL OF PHYSICAL ANTHROPOLOGY 2015; 158:325-340. [DOI: 10.1002/ajpa.22788] [Citation(s) in RCA: 89] [Impact Index Per Article: 9.9] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/14/2014] [Revised: 05/23/2015] [Accepted: 05/26/2015] [Indexed: 11/07/2022]
Affiliation(s)
- Ricardo Fernandes
- Institute for Ecosystem Research, University of Kiel; Kiel Germany
- Leibniz-Laboratory for Radiometric Dating and Isotope Research, University of Kiel; Kiel Germany
- McDonald Institute for Archaeological Research, University of Cambridge; Cambridge CB2 1TN United Kingdom
| | - Pieter Grootes
- Institute for Ecosystem Research, University of Kiel; Kiel Germany
| | - Marie-Josée Nadeau
- National Laboratory for Age Determination; Museum of Natural History and Archaeology; Norwegian University of Science and Technology; Trondheim Norway
| | - Olaf Nehlich
- Department of Anthropology; University of British Columbia; Vancouver BC V6T 1Z4 Canada
- Department of Human Evolution; Max Planck Institute for Evolutionary Anthropology; Leipzig Germany
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Abstract
Diet is a leading modifiable risk factor for chronic disease, but it remains difficult to measure accurately due to the error and bias inherent in self-reported methods of diet assessment. Consequently, there is a pressing need for more objective biomarkers of diet for use in health research. The stable isotope ratios of light elements are a promising set of candidate biomarkers because they vary naturally and reproducibly among foods, and those variations are captured in molecules and tissues with high fidelity. Recent studies have identified valid isotopic measures of short- and long-term sugar intake, meat intake, and fish intake in specific populations. These studies provide a strong foundation for validating stable isotopic biomarkers in the general US population. Approaches to improve specificity for specific foods are needed; for example, by modeling intake using multiple stable isotope ratios or by isolating and measuring specific molecules linked to foods of interest.
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Affiliation(s)
- Diane M O'Brien
- Center for Alaska Native Health Research, Institute of Arctic Biology and Department of Biology and Wildlife, University of Alaska, Fairbanks, Alaska 99775-7000;
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Font L, van der Peijl G, van Leuwen C, van Wetten I, Davies GR. Identification of the geographical place of origin of an unidentified individual by multi-isotope analysis. Sci Justice 2015; 55:34-42. [DOI: 10.1016/j.scijus.2014.06.011] [Citation(s) in RCA: 42] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/19/2013] [Revised: 06/13/2014] [Accepted: 06/27/2014] [Indexed: 10/25/2022]
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Savory G, Hunter C, Wooller M, O’Brien D. Anthropogenic food use and diet overlap between red foxes (Vulpes vulpes) and arctic foxes (Vulpes lagopus) in Prudhoe Bay, Alaska. CAN J ZOOL 2014. [DOI: 10.1139/cjz-2013-0283] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Red foxes (Vulpes vulpes (L., 1758)) recently expanded into the oil fields at Prudhoe Bay, Alaska, USA, and we hypothesized that the availability of anthropogenic foods may contribute to their success and persistence there. This study assessed the importance of anthropogenic foods to the diets of red foxes and arctic foxes (Vulpes lagopus (L., 1758)), and competition for food resources between the two species in Prudhoe Bay. We used stable isotope analysis of fox tissues to infer diet during summer and winter for both red and arctic foxes, and lifetime diet for red fox. While the contribution of anthropogenic foods in late summer for both species’ diets was low (~10% to 15%), the contribution in late winter was higher and varied between species (red foxes = 49%; arctic foxes = 39%). Estimates of lifetime diet in red foxes suggest consistent use of anthropogenic foods. We found moderate overlap of fox diets, although red foxes appeared to be more specialized on lemmings, whereas arctic foxes had a more diverse diet. Availability and consumption of anthropogenic foods by red foxes, particularly in winter, may partially explain their year-round presence in Prudhoe Bay.
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Affiliation(s)
- G.A. Savory
- Institute of Arctic Biology, Department of Biology and Wildlife, University of Alaska Fairbanks, P.O. Box 756100, Fairbanks, AK 99775, USA
| | - C.M. Hunter
- Institute of Arctic Biology, Department of Biology and Wildlife, University of Alaska Fairbanks, P.O. Box 757000, Fairbanks, AK 99775, USA
| | - M.J. Wooller
- Alaska Stable Isotope Facility, Water and Environmental Research Center, Institute of Northern Engineering, P.O. Box 755860, Fairbanks, AK 99775, USA
- Institute of Marine Science & School of Fisheries and Ocean Sciences, University of Alaska Fairbanks, P.O. Box 755860, Fairbanks, AK 99775, USA
| | - D.M. O’Brien
- Center for Alaska Native Health Research, Institute of Arctic Biology, Department of Biology and Wildlife, University of Alaska Fairbanks, P.O. Box 757000, Fairbanks, AK 99775, USA
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Nash SH, Kristal AR, Hopkins SE, Boyer BB, O’Brien DM. Stable isotope models of sugar intake using hair, red blood cells, and plasma, but not fasting plasma glucose, predict sugar intake in a Yup'ik study population. J Nutr 2014; 144:75-80. [PMID: 24198311 PMCID: PMC3861795 DOI: 10.3945/jn.113.182113] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2013] [Revised: 08/21/2013] [Accepted: 10/16/2013] [Indexed: 11/14/2022] Open
Abstract
Objectively measured biomarkers will help to resolve the controversial role of sugar intake in the etiology of obesity and related chronic diseases. We recently validated a dual-isotope model based on RBC carbon (δ(13)C) and nitrogen (δ(15)N) isotope ratios that explained a large percentage of the variation in self-reported sugar intake in a Yup'ik study population. Stable isotope ratios can easily be measured from many tissues, including RBCs, plasma, and hair; however, it is not known how isotopic models of sugar intake compare among these tissues. Here, we compared self-reported sugar intake with models based on RBCs, plasma, and hair δ(13)C and δ(15)N in Yup'ik people. We also evaluated associations of sugar intake with fasting plasma glucose δ(13)C. Finally, we evaluated relations between δ(13)C and δ(15)N values in hair, plasma, RBCs, and fasting plasma glucose to allow comparison of isotope ratios across tissue types. Models using RBCs, plasma, or hair isotope ratios explained similar amounts of variance in total sugar, added sugar, and sugar-sweetened beverage intake (∼53%, 48%, and 34%, respectively); however, the association with δ(13)C was strongest for models based on RBCs and hair. There were no associations with fasting plasma glucose δ(13)C (R(2) = 0.03). The δ(13)C and δ(15)N values of RBCs, plasma, and hair showed strong, positive correlations; the slopes of these relations did not differ from 1. This study demonstrates that RBC, plasma, and hair isotope ratios predict sugar intake and provides data that will allow comparison of studies using different sample types.
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Affiliation(s)
- Sarah H. Nash
- Center for Alaska Native Health Research, Institute of Arctic Biology, and
- Department of Biology and Wildlife, University of Alaska Fairbanks, Fairbanks, AK; and
| | | | | | - Bert B. Boyer
- Center for Alaska Native Health Research, Institute of Arctic Biology, and
- Department of Biology and Wildlife, University of Alaska Fairbanks, Fairbanks, AK; and
| | - Diane M. O’Brien
- Center for Alaska Native Health Research, Institute of Arctic Biology, and
- Department of Biology and Wildlife, University of Alaska Fairbanks, Fairbanks, AK; and
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Huelsemann F, Koehler K, Braun H, Schaenzer W, Flenker U. Human dietary δ15N intake: Representative data for principle food items. AMERICAN JOURNAL OF PHYSICAL ANTHROPOLOGY 2013; 152:58-66. [DOI: 10.1002/ajpa.22328] [Citation(s) in RCA: 45] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/04/2012] [Accepted: 06/05/2013] [Indexed: 11/08/2022]
Affiliation(s)
| | | | | | - W. Schaenzer
- Institute of Biochemistry; German Sport University Cologne; Germany
| | - U. Flenker
- Institute of Biochemistry; German Sport University Cologne; Germany
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Analysis of radiocarbon, stable isotopes and DNA in teeth to facilitate identification of unknown decedents. PLoS One 2013; 8:e69597. [PMID: 23922751 PMCID: PMC3726681 DOI: 10.1371/journal.pone.0069597] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2013] [Accepted: 06/10/2013] [Indexed: 12/02/2022] Open
Abstract
The characterization of unidentified bodies or suspected human remains is a frequent and important task for forensic investigators. However, any identification method requires clues to the person’s identity to allow for comparisons with missing persons. If such clues are lacking, information about the year of birth, sex and geographic origin of the victim, is particularly helpful to aid in the identification casework and limit the search for possible matches. We present here results of stable isotope analysis of 13C and 18O, and bomb-pulse 14C analyses that can help in the casework. The 14C analysis of enamel provided information of the year of birth with an average absolute error of 1.8±1.3 years. We also found that analysis of enamel and root from the same tooth can be used to determine if the 14C values match the rising or falling part of the bomb-curve. Enamel laydown times can be used to estimate the date of birth of individuals, but here we show that this detour is unnecessary when using a large set of crude 14C data of tooth enamel as a reference. The levels of 13C in tooth enamel were higher in North America than in teeth from Europe and Asia, and Mexican teeth showed even higher levels than those from USA. DNA analysis was performed on 28 teeth, and provided individual-specific profiles in most cases and sex determination in all cases. In conclusion, these analyses can dramatically limit the number of possible matches and hence facilitate person identification work.
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Georgiadou E, Stenström KE, Uvo CB, Nilsson P, Skog G, Mattsson S. Bomb-pulse 14C analysis combined with 13C and 15N measurements in blood serum from residents of Malmö, Sweden. RADIATION AND ENVIRONMENTAL BIOPHYSICS 2013; 52:175-187. [PMID: 23358598 PMCID: PMC3677238 DOI: 10.1007/s00411-013-0458-9] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/14/2012] [Accepted: 01/12/2013] [Indexed: 06/01/2023]
Abstract
The (14)C content of 60 human blood serum samples from residents of Malmö (Sweden) in 1978, obtained from a biobank, has been measured to estimate the accuracy of (14)C bomb-pulse dating. The difference between the date estimated using the Calibomb software and sampling date varied between -3 ± 0.4 and +0.2 ± 0.5 years. The average age deviation of all samples was -1.5 ± 0.7 years, with the delay between production and consumption of foodstuffs being probably the dominating cause. The potential influence of food habits on the (14)C date has been evaluated using stable isotope δ(13)C and δ(15)N analysis and information about the dietary habits of the investigated individuals. Although the group consisting of lacto-ovo vegetarians and vegans (pooled group) was not completely separated from the omnivores in a stable isotopic trophic level diagram, this analysis proved to add valuable information on probable dietary habits. The age deviation of the sampling date from the respective Calibomb date was found strongly correlated with the δ(13)C values, probably due to influence from marine diet components. For the omnivore individuals, there were indications of seasonal effects on δ(13)C and the age deviation. No significant correlation was found between the age deviation and the δ(15)N values of any dietary group. No influence of sex or year of birth was found on neither the (14)C nor the δ(13)C and δ(15)N values of the serum samples. The data were also divided into two groups (omnivores and pooled group), based on the level of δ(15)N in the samples. The consumption of high δ(15)N-valued fish and birds can be responsible for this clustering.
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Affiliation(s)
- Elisavet Georgiadou
- Division of Nuclear Physics, Department of Physics, Lund University, Box 118, 221 00 Lund, Sweden.
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Nakashita R, Hamada Y, Hirasaki E, Suzuki J, Oi T. Characteristics of stable isotope signature of diet in tissues of captive Japanese macaques as revealed by controlled feeding. Primates 2013; 54:271-81. [DOI: 10.1007/s10329-013-0346-6] [Citation(s) in RCA: 60] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2012] [Accepted: 02/06/2013] [Indexed: 11/24/2022]
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Neuberger FM, Jopp E, Graw M, Püschel K, Grupe G. Signs of malnutrition and starvation—Reconstruction of nutritional life histories by serial isotopic analyses of hair. Forensic Sci Int 2013; 226:22-32. [DOI: 10.1016/j.forsciint.2012.10.037] [Citation(s) in RCA: 57] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2012] [Revised: 10/08/2012] [Accepted: 10/22/2012] [Indexed: 10/27/2022]
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Kuhnle GGC, Joosen AMCP, Kneale CJ, O'Connell TC. Carbon and nitrogen isotopic ratios of urine and faeces as novel nutritional biomarkers of meat and fish intake. Eur J Nutr 2013; 52:389-95. [PMID: 22406837 PMCID: PMC3549402 DOI: 10.1007/s00394-012-0328-2] [Citation(s) in RCA: 38] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2011] [Accepted: 02/03/2012] [Indexed: 11/02/2022]
Abstract
PURPOSE Meat and fish consumption are associated with changes in the risk of chronic diseases. Intake is mainly assessed using self-reporting, as no true quantitative nutritional biomarker is available. The measurement of plasma fatty acids, often used as an alternative, is expensive and time-consuming. As meat and fish differ in their stable isotope ratios, δ(13)C and δ(15)N have been proposed as biomarkers. However, they have never been investigated in controlled human dietary intervention studies. OBJECTIVE In a short-term feeding study, we investigated the suitability of δ(13)C and δ(15)N in blood, urine and faeces as biomarkers of meat and fish intake. METHODS The dietary intervention study (n = 14) followed a randomised cross-over design with three eight-day dietary periods (meat, fish and half-meat-half-fish). In addition, 4 participants completed a vegetarian control period. At the end of each period, 24-h urine, fasting venous blood and faeces were collected and their δ(13)C and δ(15)N analysed. RESULTS There was a significant difference between diets in isotope ratios in faeces and urine samples, but not in blood samples (Kruskal-Wallis test, p < 0.0001). In pairwise comparisons, δ(13)C and δ(15)N were significantly higher in urine and faecal samples following a fish diet when compared with all other diets, and significantly lower following a vegetarian diet. There was no significant difference in isotope ratio between meat and half-meat-half-fish diets for blood, urine or faecal samples. CONCLUSIONS The results of this study show that urinary and faecal δ(13)C and δ(15)N are suitable candidate biomarkers for short-term meat and fish intake.
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Affiliation(s)
- Gunter G C Kuhnle
- Department of Food and Nutritional Sciences, University of Reading, Whiteknights, PO Box 226, Reading, RG6 6AP, UK.
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Nash SH, Kristal AR, Bersamin A, Hopkins SE, Boyer BB, O’Brien DM. Carbon and nitrogen stable isotope ratios predict intake of sweeteners in a Yup'ik study population. J Nutr 2013; 143:161-5. [PMID: 23256142 PMCID: PMC3542907 DOI: 10.3945/jn.112.169425] [Citation(s) in RCA: 43] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
The carbon isotope ratio (δ¹³C) is elevated in corn- and cane sugar-based foods and has recently shown associations with sweetener intake in multiple U.S. populations. However, a high carbon isotope ratio is not specific to corn- and sugar cane-based sweeteners, as other foods, including meats and fish, also have elevated δ¹³C. This study examines whether the inclusion of a second marker, the nitrogen isotope ratio (δ¹⁵N), can control for confounding dietary effects on δ¹³C and improve the validity of isotopic markers of sweetener intake. The study participants are from the Yup'ik population of southwest Alaska and consume large and variable amounts of fish and marine mammals known to have elevated carbon and nitrogen isotope ratios. Sixty-eight participants completed 4 weekly 24-h recalls followed by a blood draw. RBC δ¹³C and δ¹⁵N were used to predict sweetener intake, including total sugars, added sugars, and sugar-sweetened beverages. A model including both δ¹³C and δ¹⁵N explained more than 3 times as much of the variation in sweetener intake than did a model using only δ¹³C. Because carbon and nitrogen isotope ratios are simultaneously determined in a single, high-throughput analysis, this dual isotope marker provides a simple method to improve the validity of stable isotope markers of sweetener intake with no additional cost. We anticipate that this multi-isotope approach will have utility in any population where a stable isotope biomarker is elevated in several food groups and there are appropriate "covariate" isotopes to control for intake of foods not of research interest.
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Affiliation(s)
- Sarah H. Nash
- Center for Alaska Native Health Research, Institute of Arctic Biology, and,Department of Biology and Wildlife, University of Alaska Fairbanks, Fairbanks, AK; and,To whom correspondence should be addressed. E-mail:
| | | | - Andrea Bersamin
- Center for Alaska Native Health Research, Institute of Arctic Biology, and,Department of Biology and Wildlife, University of Alaska Fairbanks, Fairbanks, AK; and
| | | | - Bert B. Boyer
- Center for Alaska Native Health Research, Institute of Arctic Biology, and,Department of Biology and Wildlife, University of Alaska Fairbanks, Fairbanks, AK; and
| | - Diane M. O’Brien
- Center for Alaska Native Health Research, Institute of Arctic Biology, and,Department of Biology and Wildlife, University of Alaska Fairbanks, Fairbanks, AK; and
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Jaouen K, Gibert M, Lamboux A, Telouk P, Fourel F, Albarède F, Alekseev AN, Crubézy E, Balter V. Is aging recorded in blood Cu and Zn isotope compositions? Metallomics 2013; 5:1016-24. [DOI: 10.1039/c3mt00085k] [Citation(s) in RCA: 54] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
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50
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Affiliation(s)
- Nathaniel J Dominy
- Department of Anthropology, Dartmouth College, Hanover, NH 03755-3537, USA.
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