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Recent News and Articles on the Keywords: amino acids + amino acid + muscle  Related to the article below (Last Update: 5/12/2008)

Protein Summit 2007: Exploring the Impact of High-Quality Protein ...
Am J Clin Nutr (subscription), CA - May 9, 2008
Currently accepted methods for measuring protein quality do not consider the diverse roles of indispensable amino acids beyond the first limiting amino acid ...
Protein Summit 2007: Exploring the Impact of High-Quality Protein ... Am J Clin Nutr (subscription)
Protein Summit 2007: Exploring the Impact of High-Quality Protein ... Am J Clin Nutr (subscription)
Protein Summit 2007: Exploring the Impact of High-Quality Protein ... Am J Clin Nutr (subscription)
Am J Clin Nutr (subscription) - Am J Clin Nutr (subscription)
all 8 news articles »

Natural News.com
Transform Yourself From the Inside-Out and Look Your Best Naturally
Natural News.com, AZ - May 11, 2008
Threonine is also an essential amino acid that plays a vital role in the formation of collagen, muscle tissue, and elastin. Soy, chickpeas, lentils, wheat ...
Health Column
The Daily Planet, CO - May 1, 2008
Although there are thousands of different types of proteins in the body, all proteins are combinations of just 22 amino acid components. ...
Sports Nutrition: Fats and Proteins
Journal of American Medical Association (subscription), IL - May 6, 2008
More recently, the research has turned to the quality, quantity, and timing of intake of protein, single amino acids, or both. Research on the fat and fatty ...
Dave Scott Salutes Luis Alvarez's Remarkable Double of Ironman ...
PR Web (press release), WA - Apr 28, 2008
Master Amino Acid Pattern (MAP) is a dietary protein substitute that provides a unique pattern of essential amino acids in a highly purified, free, ...
Semenax - Ejaculation and
Prudent Press Agency (press release), Netherlands - May 7, 2008
... and its ingredients include the amino acids L-arginine HCL, L-carnitine and L-lysine to increase testosterone and sperm count and motility; ...
Weight-shedding strategies for a new slimmer summer
China Daily, China - Apr 29, 2008
Protein provides the amino acids necessary to rebuild muscle tissue that is damaged during intense, prolonged exercise. It can also increase the absorption ...

Natural News.com
Nutrasweet - the History of this Toxic Chemical and Its Promotion ...
Natural News.com, AZ - Apr 29, 2008
Phenylalanine and aspartic acid (90% of Aspartame) are amino acids normally used in the synthesis of protoplasm when supplied by the foods eaten. ...
Bile Duct Congestion Can Lead to Intestinal Diseases and Liver ...
Natural News.com, AZ - May 2, 2008
Furthermore, it makes new amino acids and converts existing ones into proteins. These proteins are the main building blocks of the cells, hormones, ...

Natural News.com
Natural Remedies for Treating Arthritis
Natural News.com, AZ - Apr 18, 2008
Alfalfa contains 1-canavanine, an amino acid that can cause symptoms that are similar to those of systemic lupus, an autoimmune disease that can also cause ...
Source: Google News

Amino-acid sequence of a Ca 2+ Mg 2-dependent ATPase from rabbit muscle sarcoplasmic reticulum, … -
DH MacLennan, CJ Brandl, B Korczak, NM Green - Nature, 1985 - palgrave-journals.com
Amino-acid sequence of a Ca 2+ + Mg 2+ -dependent ATPase from rabbit muscle
sarcoplasmic reticulum, deduced from its complementary DNA sequence. ...

An abundant supply of amino acids enhances the metabolic effect of exercise on muscle protein -
G Biolo, KD Tipton, S Klein, RR Wolfe - American Journal of Physiology- Endocrinology And Metabolism, 1997 - Am Physiological Soc
... We conclude that the stimulatory effect of exogenous amino acids on muscle protein
synthesis is enhanced by prior exercise, perhaps in part because of enhanced ...

amino acid transport, protein synthesis, and inactivation of glycogen synthase kinase 3 in L6 muscle -
E Hajduch, DR Alessi, BA Hemmings, HS Hundal - Diabetes, 1998 - ncbi.nlm.nih.gov
... in GSK-3. Our results indicate that constitutive activation of PKBalpha in skeletal
muscle stimulates the uptake of glucose, system A amino acids, and protein ...

… stimulates protein synthesis and enhances transport of selected amino acids in human skeletal muscle -
G Biolo, RYD Fleming, RR Wolfe - Journal of Clinical Investigation, 1995 - pubmedcentral.nih.gov
... Copyright notice. Physiologic hyperinsulinemia stimulates protein synthesis and
enhances transport of selected amino acids in human skeletal muscle. ...

Increased rates of muscle protein turnover and amino acid transport after resistance exercise in … -
G Biolo, SP Maggi, BD Williams, KD Tipton, RR … - American Journal of Physiology- Endocrinology And Metabolism, 1995 - Am Physiological Soc
... Home page E. Borsheim, KD Tipton, SE Wolf, and RR Wolfe Essential amino acids and
muscle protein recovery from resistance exercise Am J Physiol Endocrinol Metab ...

Intracellular free amino acid concentration in human muscle tissue -
J Bergstrom, P Furst, LO Noree, E Vinnars - Journal of Applied Physiology, 1974 - Am Physiological Soc
... fluid. They also found the largest pool of free amino acids in skeletal muscle
tissue. ... amino acids can be determined in muscle biopsy material. ...

Calculation of protein extinction coefficients from amino acid sequence data -
SC Gill, PH von Hippel - Analytical Biochemistry, 1989 - Elsevier
... AND VON HIPPEL TABLE 3 Molar Extinction Coefficients Calculated from Amino Acid
Composition Data ... 3 12 8 280 9.1 35,480 33,310 6.18 1 (rabbit muscle) 280 9.38 ...

Exogenous amino acids stimulate net muscle protein synthesis in the elderly. -
E Volpi, AA Ferrando, CW Yeckel, KD Tipton, RR … - Journal of Clinical Investigation, 1998 - pubmedcentral.nih.gov
... 1998 May 1; 101(9): 2000?2007. Copyright notice. Exogenous amino acids
stimulate net muscle protein synthesis in the elderly. E ...

Muscle and Plasma Amino Acids Following Injury: Influence of Intercurrent Infection -
J Askanazi, YA Carpentier, CB Michelsen, DH Elwyn, … - Annals of Surgery, 1980 - pubmedcentral.nih.gov
... A marked depletion of nonessential amino acids in muscle occurred in both injury
and sepsis due to a decrease (50%) in glutamine, which was equally marked in ...

… bovine fast skeletal muscle, and rabbit slow skeletal muscle. A protein-chemical analysis of muscle -
J Vandekerckhove, K Weber - Differentiation, 1979 - ncbi.nlm.nih.gov
... Vandekerckhove J, Weber K. Complete amino acid sequences for four mammalian muscle
actins are reported: bovine skeletal muscle actin, bovine cardiac actin, the ...

Source: Google Scholar

Amino acids slow muscle breakdown during exercise

Last Updated: 2007-07-30 15:25:47 -0400 (Reuters Health)

NEW YORK (Reuters Health) - Athletes who consume branched-chain amino acids (BCAAs) while working out may prevent muscle breakdown during moderate endurance exercise, a new study confirms.

BCAAs include the amino acids leucine, isoleucine, and valine, which are found in dairy foods and meat. Some athletes use supplements containing BCAAs to boost strength and endurance.

Past research has found that BCAAs can help prevent muscle breakdown during prolonged exercise, but the exact amount needed to obtain this effect is not clear, Dr. Keitaro Matsumoto of Otsuka Pharmaceutical Company in Saga, Japan and colleagues note.

To identify the most effective dosage, Matsumoto and his team had four men and four women complete three 20-minute cycling sessions, pedaling at half their maximum intensity, with a 15-minute break between each session.

During the first exercise session, volunteers consumed a drink containing 2 grams of BCAAs and 0.5 gram of arginine, or a placebo beverage, 10 minutes into their workout. Arginine is another type of amino acid believed to boost the release of growth hormone and insulin.

Two weeks later, study participants repeated the experiment, and those who originally consumed the BCAA-arginine drink switched to placebo and vice versa.

Blood concentration and muscle absorption of BCAAs rose when the exercisers took the supplement, the researchers found, while muscle protein breakdown was reduced.

The findings suggest that taking BCAA just before exercise can effectively slow the protein break-down triggered by endurance exercise at a modest intensity, Matsumoto and colleagues note. However, they conclude, more research is needed to determine if adding arginine to BCAA will enhance its muscle-protecting effects.

SOURCE: International Journal of Sports Medicine, June 2007.

Copyright © 2007 Reuters Limited. All rights reserved. Republication or redistribution of Reuters content, including by framing or similar means, is expressly prohibited without the prior written consent of Reuters. Reuters shall not be liable for any errors or delays in the content, or for any actions taken in reliance thereon. Reuters and the Reuters sphere logo are registered trademarks and trademarks of the Reuters group of companies around the world.

 
 
 
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