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Relevant bibliographies by topics / L-methionine and D-methionine

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Academic literature on the topic 'L-methionine and D-methionine'

Author: Grafiati

Published: 4 June 2021

Last updated: 13 February 2022

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Journal articles on the topic "L-methionine and D-methionine"

1

Nonato, M. Cristina, Joanne Widom, and Jon Clardy. "Human methionine aminopeptidase type 2 in complex with l- and d-methionine." Bioorganic & Medicinal Chemistry Letters 16, no. 10 (2006): 2580–83. http://dx.doi.org/10.1016/j.bmcl.2006.02.047.

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2

Brachet, P., F. Alvarado, and A. Puigserver. "Kinetic evidence for separate systems in transport of D- and L-methionine by rat small intestine." American Journal of Physiology-Gastrointestinal and Liver Physiology 252, no. 3 (1987): G320—G324. http://dx.doi.org/10.1152/ajpgi.1987.252.3.g320.

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The kinetics of D- and L-methionine uptake by rings of everted intestine in vitro are consistent with a saturable Michaelis-Menten component (Km = 11.7 and 1.7 mM; Vmax = 0.53 and 0.74 mumol X g-1 X min-1 for D- and L-methionine, respectively) plus a linear, diffusional one. All the data could be fit with a diffusion constant (Kd = 3.2 microliters X g-1 X min-1), which was essentially the same, independent of whether it was estimated by iteration or by using the extracellular marker, inulin. Similar results were obtained from in vivo perfusion experiments, except that the diffusional term was

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3

Hasegawa, Nobuharu, Yohei Yamaji, Masashi Minoda, and Motoki Kubo. "Effects of d-Methionine or l-Methionine on root hair of Brassica rapa." Journal of Bioscience and Bioengineering 95, no. 4 (2003): 419–20. http://dx.doi.org/10.1016/s1389-1723(03)80080-4.

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4

Ward, Mary, Helene McNulty, Joseph McPartlin, J. J. Strain, Donald G. Weir, and John M. Scott. "Effect of Supplemental Methionine on Plasma Homocysteine Concentrations in Healthy Men: A Preliminary Study." International Journal for Vitamin and Nutrition Research 71, no. 1 (2001): 82–86. http://dx.doi.org/10.1024/0300-9831.71.1.82.

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Hyperhomocysteinaemia is an established risk factor for vascular disease. The only source of homocysteine in humans is the amino acid methionine found in dietary protein. In an 8-week study, fasting plasma homocysteine concentrations were examined in a group of healthy male subjects (n = 6) under usual dietary conditions (weeks 1–4) and in response to weekly graded (25, 50 and 75mg/kg/d) supplementary methionine (weeks 5, 6, 7). Nutrient intakes, including methionine, were calculated from 4¥3 day food records. Under usual dietary conditions (mean methionine intake; 0.95 ± 0.51 mg/d) weekly mea

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5

Pisulewski, P. M., and P. J. Buttery. "The effect of increasing methionine supply on the methionine conversion to cyst(e)ine in sheep." British Journal of Nutrition 54, no. 1 (1985): 121–29. http://dx.doi.org/10.1079/bjn19850098.

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1. The conversion of methionine to cyst(e)ine was determined in sheep infused with different amounts of methionine (0-5 g/d) into the duodenum by assaying the incorporation of 36S from intravenously-infused L-[35S]methionine into cyst(e)ine in wool, plasma albumin and the free plasma pool.2. The percentage of cystine-S in the plasma originating from methionine increased linearly from 4.5 to 18 with increasing supplemental methionine supply.3. The percentage of cysteine-S in albumin increased from 15 to 50; methionine supply increased to 3 g/d but then remained constant, indicating that the tra

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6

Reis, P. J., D. A. Tunks, and L. F. Sharry. "Incorporation of abomasal and intravenous doses of [35S]cystine and [35S]methionine into wool." Journal of Agricultural Science 112, no. 3 (1989): 313–19. http://dx.doi.org/10.1017/s0021859600085762.

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SummaryThe fate of abomasal and intravenous doses of [35S]cystine and [35S]methionine was investigated in sheep to determine their relative efficacy as supplements for wool growth.Administration of L-[35S]cystine and L-, DL- and D-[35S]methionine via the abomasum produced similar patterns of 35S labelling in blood plasma. Only 10–16% of the administered 35S was excreted in urine over 7 days and 22–32% of the dose was incorporated into wool over 21 days. All isomers were utilized by the sheep with similar efficiency and it was concluded that D- and L-methionine and L-cystine are equally effecti

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Saunderson, C. Linda. "Effect of fasting and of methionine deficiency on L-methionine, DL-methionine and DL-2-hydroxy-4-methylthiobutanoic acid metabolism in broiler chicks." British Journal of Nutrition 57, no. 3 (1987): 429–37. http://dx.doi.org/10.1079/bjn19870050.

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1. Metabolism of L-[1-14C]methionine, DL-[l-14C]methionine and DL-[ 1-14C]2-hydroxy-4-methylthiobutanoic acid (DL-HMB) by broiler chicks which had been fasted overnight or given a methionine-deficient diet was compared with fed (control) birds.2. The excretion of 14C-labelled material, total 14CO2 exhaled, 14C incorporation into tissue proteins and the 14C-labelled material in perchloric-acid-soluble tissue fractions were measured 6 h after injection of the 14C-labelled materials.3. The incorporation of 14C into tissue proteins and the relative rates of conversion of D-methionine and DL-HMB to

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8

Vargas-Castro, Karen C., Ana M. Puebla Pérez, Irma I. Rangel-Salas, et al. "Antitumor Effect of Zwitterions of Imidazolium Derived from L-methionine in BALB/c Mice with Lymphoma L5178Y." Medicinal Chemistry 17, no. 1 (2020): 33–39. http://dx.doi.org/10.2174/1573406415666191206093754.

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Background: In the therapy of cancer, several treatments have been designed using nanomaterials, among which gold nanoparticles (AuNPs) have been featured as a promising antitumoral agent. Our research group has developed the synthesis of gold nanoparticles L-AuNPs and D-AuNPs stabilized with zwitterions of imidazolium (L-1 and D-1) derived from L-methionine and D-methionine. Because the stabilizer agent is chiral, we observed through circular dichroism that AuNPs also present chirality; such chirality as well as the fact that the stabilizing agent contains fragments of methionine and imidazol

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Bergström, M., H. Lundqvist, K. Ericson, et al. "Comparison of the Accumulation Kinetics of L-(Methyl-11C)-Methionine and D-(Methyl-11C)-Methionine in Brain Tumors Studied with Positron Emission Tomography." Acta Radiologica 28, no. 3 (1987): 225–29. http://dx.doi.org/10.1177/028418518702800301.

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Five patients with glioma were examined with positron emission tomography after the administration of 11C-L-methionine and at a following day with 11C-D-methionine. The rates of accumulation of the tracers were determined in the tumor and in the normal brain tissue according to a graphical technique of Patlak et coll. (24). The accumulation rates for L-methionine were on the average 2.4 times higher than those of D-methionine in the tumors. The corresponding ratio for normal brain tissue was 2.3. It is concluded that in this group of tumors without obvious blood-tumor-barrier breakdown, a ster

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Campbell, C. G., G. St. Jean, and Evan C. Titgemeyer. "D- VS L-methionine utilization by growing steers." Kansas Agricultural Experiment Station Research Reports, no. 1 (January 1, 1994): 12–13. http://dx.doi.org/10.4148/2378-5977.2005.

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Dissertations / Theses on the topic "L-methionine and D-methionine"

1

Dzamashvili, Maia [Verfasser]. "Effect of L-methionine on RBCs metabolism during storage / Maia Dzamashvili." Berlin : Medizinische Fakultät Charité - Universitätsmedizin Berlin, 2018. http://d-nb.info/1153769387/34.

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Chen, Shing-Yu, and 陳星宇. "Immobilization of D-amino acid oxidase via a biomimetic film and its application for the resolution of D/L-methionine." Thesis, 2015. http://ndltd.ncl.edu.tw/handle/44958984877156939567.

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碩士<br>大同大學<br>生物工程學系(所)<br>103<br>In this study, magnetic nanoparticles (MNP) were modified with polydopamine to form polydopamine-coated MNP (PD-MNP), and both supports were used for the immobilization of D-amino acid oxidase from Trigonopsis variabilis (TvDAO). The optimal pH for TvDAO was 8.5; both MNP-TvDAO and PD-MNP-TvDAO had an optimal pH of 8. PD-MNP-TvDAO had better pH stability than MNP-TvDAO. The optimal temperatures for TvDAO, MNP-TvDAO and PD-MNP-TvDAO were 40, 50 and 55℃, respectively. The activity of MNP-TvDAO decreased to 41% after it was reu

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Reershemius, Hajo Kampe [Verfasser]. "Production of L-methionine with Corynebacterium glutamicum / von Hajo Kampe Reershemius." 2008. http://d-nb.info/991833252/34.

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Books on the topic "L-methionine and D-methionine"

1

Daudon, Michel, and Paul Jungers. Cystine stones. Edited by Mark E. De Broe. Oxford University Press, 2018. http://dx.doi.org/10.1093/med/9780199592548.003.0203_update_001.

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Cystinuria, an autosomal recessive disease (estimated at 1:7000 births worldwide), results from the defective reabsorption of cystine and dibasic amino acids (also ornithine, arginine, lysine, COAL) by epithelial cells of renal proximal tubules, leading to an abnormally high urinary excretion of these amino acids. Due to the poor solubility of cystine at the usual urine pH, formation of cystine crystals and stones ensues. Incidence of homozygotes is estimated at 1 in 7000 births worldwide, but is lower in European countries and much higher in populations with frequent consanguinity. Cystine st

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