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Amino acid oxidation methods to determine amino acid requirements: do we require lengthy adaptation periods?
Szwiega S, Pencharz PB, Ball RO, Tomlinson C, Elango R, Courtney-Martin G. Szwiega S, et al. Among authors: pencharz pb. Br J Nutr. 2023 Jun 14;129(11):1848-1854. doi: 10.1017/S0007114522002720. Epub 2022 Sep 1. Br J Nutr. 2023. PMID: 36045125 Free PMC article. Review.
Determination of indispensable amino acid (IAA) requirements necessitates a range of intakes of the test IAA and monitoring of the physiological response. Short-term methods are the most feasible for studying multiple intake levels in the same individual. ...It was found t …
Determination of indispensable amino acid (IAA) requirements necessitates a range of intakes of the test IAA and monitoring of the physiolog …
Dietary Protein Requirement of Men >65 Years Old Determined by the Indicator Amino Acid Oxidation Technique Is Higher than the Current Estimated Average Requirement.
Rafii M, Chapman K, Elango R, Campbell WW, Ball RO, Pencharz PB, Courtney-Martin G. Rafii M, et al. Among authors: pencharz pb. J Nutr. 2015 Apr 1;146(4):681-687. doi: 10.3945/jn.115.225631. J Nutr. 2015. PMID: 26962173 Free article.
CONCLUSIONS: The current intake recommendations for older adults for dietary protein of 0.66 g kg-1 d-1 for the EAR and 0.8 g kg-1 d-1 for the RDA appear to be underestimated by 30%. Future longer-term studies should be conducted to validate these results. This trial was r …
CONCLUSIONS: The current intake recommendations for older adults for dietary protein of 0.66 g kg-1 d-1 for the EAR and 0.8 g kg-1 d-1 for t …
Supplemental Parenteral Vitamin E Into Conventional Soybean Lipid Emulsion Does Not Prevent Parenteral Nutrition-Associated Liver Disease in Full-Term Neonatal Piglets.
Muto M, Lim D, Soukvilay A, Field C, Wizzard PR, Goruk S, Ball RO, Pencharz PB, Mi S, Curtis J, Wales PW, Turner JM. Muto M, et al. Among authors: pencharz pb. JPEN J Parenter Enteral Nutr. 2017 May;41(4):575-582. doi: 10.1177/0148607115612030. Epub 2015 Oct 12. JPEN J Parenter Enteral Nutr. 2017. PMID: 26471989
There was no difference in CRP (41.8 vs 36.8 g/mL; P = .22) or in plasma 8-isoprostane (27.9 vs 26.1 pg/mL; P = .77). CONCLUSIONS: In term neonatal piglets, supplemental vitamin E did not prevent cholestasis. ...
There was no difference in CRP (41.8 vs 36.8 g/mL; P = .22) or in plasma 8-isoprostane (27.9 vs 26.1 pg/mL; P = .77). CONCLUSIONS: In ter …
Assessment of protein requirement in octogenarian women with use of the indicator amino acid oxidation technique.
Tang M, McCabe GP, Elango R, Pencharz PB, Ball RO, Campbell WW. Tang M, et al. Among authors: pencharz pb. Am J Clin Nutr. 2014 Apr;99(4):891-8. doi: 10.3945/ajcn.112.042325. Epub 2014 Jan 15. Am J Clin Nutr. 2014. PMID: 24429540 Free PMC article. Clinical Trial.
CONCLUSIONS: Notwithstanding uncertainty about the validity of the use of the IAAO technique to assess protein requirements, the results of this study with octogenarian women suggest that the current EAR and RDA for elderly women may be underestimated. The limitations of this sho …
CONCLUSIONS: Notwithstanding uncertainty about the validity of the use of the IAAO technique to assess protein requirements, the results of …
Determination of the tolerable upper intake level of leucine in adult men.
Pencharz PB, Elango R, Ball RO. Pencharz PB, et al. J Nutr. 2012 Dec;142(12):2220S-2224S. doi: 10.3945/jn.112.160259. Epub 2012 Oct 17. J Nutr. 2012. PMID: 23077191 Free article.
It is important to note that these are acute studies, where each participant was exposed to graded increases in leucine intake. Longer term adaptation was not studied....
It is important to note that these are acute studies, where each participant was exposed to graded increases in leucine intake. Longer te …
Natural history of glucose intolerance in patients with cystic fibrosis: ten-year prospective observation program.
Sterescu AE, Rhodes B, Jackson R, Dupuis A, Hanna A, Wilson DC, Tullis E, Pencharz PB. Sterescu AE, et al. Among authors: pencharz pb. J Pediatr. 2010 Apr;156(4):613-7. doi: 10.1016/j.jpeds.2009.10.019. Epub 2009 Dec 3. J Pediatr. 2010. PMID: 19962154
OBJECTIVE: To determine prospectively the long-term natural history of glucose homeostasis in adult patients with cystic fibrosis (CF). ...
OBJECTIVE: To determine prospectively the long-term natural history of glucose homeostasis in adult patients with cystic fibrosis (CF …
The addition of cysteine to the total sulphur amino acid requirement as methionine does not increase erythrocytes glutathione synthesis in the parenterally fed human neonate.
Courtney-Martin G, Moore AM, Ball RO, Pencharz PB. Courtney-Martin G, et al. Among authors: pencharz pb. Pediatr Res. 2010 Mar;67(3):320-4. doi: 10.1203/PDR.0b013e3181ca036f. Pediatr Res. 2010. PMID: 19915518 Clinical Trial.
Cysteine supplementation did not significantly affect GSH synthesis. These data suggest that term infants are capable of synthesizing cysteine from methionine, not only for protein but also for GSH synthesis....
Cysteine supplementation did not significantly affect GSH synthesis. These data suggest that term infants are capable of synthesizing …
The effect of duration of exercise at the ventilation threshold on subjective appetite and short-term food intake in 9 to 14 year old boys and girls.
Bozinovski NC, Bellissimo N, Thomas SG, Pencharz PB, Goode RC, Anderson GH. Bozinovski NC, et al. Among authors: pencharz pb. Int J Behav Nutr Phys Act. 2009 Oct 9;6:66. doi: 10.1186/1479-5868-6-66. Int J Behav Nutr Phys Act. 2009. PMID: 19818131 Free PMC article.
The purpose of this study was to determine the effect of duration of exercise at the ventilation threshold (VeT) on subjective appetite and short-term food intake in normal weight boys and girls aged 9 to 14 years. ...CONCLUSION: Neither SD nor LD exercise at the VeT incre …
The purpose of this study was to determine the effect of duration of exercise at the ventilation threshold (VeT) on subjective appetite and …
Reproducibility of short-term food intake and subjective appetite scores after a glucose preload, ventilation threshold, and body composition in boys.
Bellissimo N, Thomas SG, Pencharz PB, Goode RC, Anderson GH. Bellissimo N, et al. Among authors: pencharz pb. Appl Physiol Nutr Metab. 2008 Apr;33(2):326-37. doi: 10.1139/H07-194. Appl Physiol Nutr Metab. 2008. PMID: 18347688
The objective of these studies was to assess the reproducibility of (i) short-term food intake (FI) and subjective appetite following a glucose preload, (ii) ventilation threshold (VT) and subjective appetite after short-duration exercise, and (iii) body composition assess …
The objective of these studies was to assess the reproducibility of (i) short-term food intake (FI) and subjective appetite following …
Assessment of protein nutritional status in children.
Pencharz PB. Pencharz PB. Pediatr Blood Cancer. 2008 Feb;50(2 Suppl):445-6; discussion 451. doi: 10.1002/pbc.21415. Pediatr Blood Cancer. 2008. PMID: 18064637 Review.
Next comes using mid-upper arm parameters in which the measurement of muscle area or circumference is a reflection of protein nutritional status while triceps skin-fold thickness is a measurement of energy status. Serum albumin remains the number one short term parameter r …
Next comes using mid-upper arm parameters in which the measurement of muscle area or circumference is a reflection of protein nutritional st …
23 results