{"id":14428,"date":"2023-02-22T11:15:42","date_gmt":"2023-02-22T10:15:42","guid":{"rendered":"https:\/\/www.lactalisingredients.com\/?post_type=blog-post&#038;p=14428"},"modified":"2023-02-22T11:15:42","modified_gmt":"2023-02-22T10:15:42","slug":"nutrition-et-cancer","status":"publish","type":"blog-post","link":"https:\/\/www.lactalisingredients.com\/fr\/news\/blog\/nutrition-et-cancer\/","title":{"rendered":"Nutrition et Cancer"},"content":{"rendered":"<h2><span style=\"text-decoration: underline;\">Le cancer est la sixi\u00e8me cause de mortalit\u00e9 dans le monde<\/span><\/h2>\n<p>&nbsp;<\/p>\n<p>Avec <strong>18.1 millions de nouveaux cas<\/strong> et une <strong>mortalit\u00e9<\/strong> estim\u00e9e \u00e0 <strong>9,6 millions de morts en 2018 (soit 1 d\u00e9c\u00e8s sur 6),<\/strong> le cancer est consid\u00e9r\u00e9 par l\u2019Organisation Mondiale de la Sant\u00e9 (OMS) comme la <strong>sixi\u00e8me cause de mortalit\u00e9<\/strong> <strong>dans le monde<\/strong> [1].<\/p>\n<ul class=\"ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"ul\">\n<li style=\"list-style-type: none;\">\n<ul style=\"list-style-type: disc;\">\n<li>L\u2019Asie repr\u00e9sente \u00e0 elle seule 1 cas de cancer sur 2 [1]<\/li>\n<li>L\u2019Europe repr\u00e9sente environ 1 cas de cancer sur 5 (23.4%) [1]<\/li>\n<li>Tout comme les Am\u00e9riques avec \u00e9galement environ 1 cas sur 5 (21%) des cancers dans le monde [1]<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p>Les femmes sont plus touch\u00e9es par le cancer du sein, colorectal, des poumons et de la thyro\u00efde alors que les hommes sont plus affect\u00e9s par le cancer des poumons, de la prostate, de l\u2019estomac et du foie [1].<\/p>\n<p>&nbsp;<\/p>\n<h2><span style=\"text-decoration: underline;\">Les patients atteints de cancer sont \u00e9galement d\u00e9nutris !<\/span><\/h2>\n<p>&nbsp;<\/p>\n<blockquote><p>Il a \u00e9t\u00e9 montr\u00e9 dans une \u00e9tude italienne en 2017 que 9% des patients atteints de cancer \u00e9taient d\u00e9nutris \u00e0 la premi\u00e8re visite et 43% \u00e9taient \u00e0 risque de d\u00e9nutrition.<\/p><\/blockquote>\n<p>Selon la Soci\u00e9t\u00e9 Europ\u00e9enne de Nutrition clinique Ent\u00e9rale et Parent\u00e9rale (ESPEN), <strong>la d\u00e9nutrition est une caract\u00e9ristique fr\u00e9quente des patients atteints de cancer, quel que soit l\u2019\u00e2ge des patients<\/strong>\u00a0[2]. Il a \u00e9t\u00e9 montr\u00e9 dans une \u00e9tude italienne en 2017 que 9% des patients atteints de cancer \u00e9taient d\u00e9nutris \u00e0 la premi\u00e8re visite et 43% \u00e9taient \u00e0 risque de d\u00e9nutrition [3].<\/p>\n<ul class=\"ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"ul\" style=\"list-style-type: disc;\">\n<li>D\u2019un c\u00f4t\u00e9 la d\u00e9nutrition est la cons\u00e9quence \u00e0 la fois de la pr\u00e9sence de la tumeur mais aussi des traitements anticanc\u00e9reux m\u00e9dicaux et chirurgicaux [2]<\/li>\n<li>D\u2019un autre c\u00f4t\u00e9, la d\u00e9nutrition a \u00e9galement un impact n\u00e9gatif sur la qualit\u00e9 de vie et la tol\u00e9rance des traitements [2]<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p><strong>L\u2019ESPEN estime qu\u2019entre <\/strong>1 \u00e0 2 personnes sur 10 <strong>\u00a0des patients atteints de cancer meurent des suites de la d\u00e9nutrition plut\u00f4t que de la tumeur elle-m\u00eame <\/strong>[2].<\/p>\n<p>&nbsp;<\/p>\n<h2><span style=\"text-decoration: underline;\">La nutrition a une place toute particuli\u00e8re dans la prise en charge du cancer<\/span><\/h2>\n<p>&nbsp;<\/p>\n<p>Des preuves solides indiquent que les probl\u00e8mes nutritionnels doivent \u00eatre pris en compte d\u00e8s le diagnostic du cancer et doivent \u00eatre pris en charge en parall\u00e8le des traitements. Cependant, la malnutrition li\u00e9e au cancer est encore largement m\u00e9connue, sous-estim\u00e9e et sous-trait\u00e9e dans la pratique clinique [2].<\/p>\n<p>&nbsp;<\/p>\n<h3>Comment le cancer et les traitements peuvent affecter l\u2019alimentation?<\/h3>\n<p>Selon le traitement, les personnes atteintes de cancer peuvent avoir diff\u00e9rents effets secondaires<strong> affectant l\u2019alimentation du patient\u00a0: <\/strong>[2]<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-14459\" src=\"https:\/\/www.lactalisingredients.com\/wp-content\/uploads\/2022\/11\/Visuels-blog-2021-2022-1-1.png\" alt=\"\" width=\"450\" height=\"253\" srcset=\"https:\/\/www.lactalisingredients.com\/wp-content\/uploads\/2022\/11\/Visuels-blog-2021-2022-1-1.png 560w, https:\/\/www.lactalisingredients.com\/wp-content\/uploads\/2022\/11\/Visuels-blog-2021-2022-1-1-300x169.png 300w, https:\/\/www.lactalisingredients.com\/wp-content\/uploads\/2022\/11\/Visuels-blog-2021-2022-1-1-24x14.png 24w, https:\/\/www.lactalisingredients.com\/wp-content\/uploads\/2022\/11\/Visuels-blog-2021-2022-1-1-36x20.png 36w, https:\/\/www.lactalisingredients.com\/wp-content\/uploads\/2022\/11\/Visuels-blog-2021-2022-1-1-48x27.png 48w\" sizes=\"auto, (max-width: 450px) 100vw, 450px\" \/><\/p>\n<p style=\"text-align: center;\">Figure 1 : L&#8217;alimentation des patients peut \u00eatre impact\u00e9e par de nombreux effets secondaires du cancer<\/p>\n<p>&nbsp;<\/p>\n<h3>L\u2019alimentation doit avant tout couvrir les besoins \u00e9nerg\u00e9tiques du patient<\/h3>\n<p>Comme dans la population g\u00e9n\u00e9rale, l&#8217;alimentation chez le patient atteint de cancer doit absolument r\u00e9pondre \u00e0 ses besoins \u00e9nerg\u00e9tiques. Il s\u2019agit de la somme de la d\u00e9pense \u00e9nerg\u00e9tique au repos, de l&#8217;activit\u00e9 physique et, dans un faible pourcentage, de la thermogen\u00e8se induite par l&#8217;alimentation.<\/p>\n<p>Bien que la d\u00e9pense \u00e9nerg\u00e9tique au repos soit augment\u00e9e, la d\u00e9pense d\u2019\u00e9nergie totale se voie plut\u00f4t diminu\u00e9e, surtout chez les patients avec un cancer de stade avanc\u00e9 expliqu\u00e9e par une diminution de l\u2019activit\u00e9 physique quotidienne [4,5].<\/p>\n<p>L\u2019ESPEN suppose que la d\u00e9pense \u00e9nerg\u00e9tique totale est la m\u00eame que chez l\u2019individu sain et que le besoin se situe entre <strong>25 et 30kcal\/kg de poids corporel\/jour<\/strong>\u00a0[2]. <strong>Cela \u00e9quivaut pour une personne de 70kg \u00e0 un apport entre 1750 et 2100kcal.<\/strong><\/p>\n<p>Toutefois, des \u00e9tudes montrent qu\u2019il y a environ 50% des patients qui sont hyperm\u00e9taboliques c\u2019est-\u00e0-dire qui ont une d\u00e9pense \u00e9nerg\u00e9tique \u00e9lev\u00e9e au repos [6,7]. Il est donc important d\u2019apporter plus d\u2019\u00e9nergie \u00e0 ces patients ayant un hyperm\u00e9tabolisme \u00a0Dans ce cas, les besoins \u00e9nerg\u00e9tiques doivent \u00eatre adapt\u00e9s.<\/p>\n<p>&nbsp;<\/p>\n<h3>Les lipides sont facilement mobilis\u00e9s par le patient pr\u00e9sentant une r\u00e9sistance \u00e0 l\u2019insuline par rapport aux glucides<\/h3>\n<p>En plus de la d\u00e9nutrition, les \u00a0patients atteints de cancer peuvent d\u00e9velopper des troubles m\u00e9taboliques telles qu\u2019une r\u00e9sistance \u00e0 l\u2019insuline. Chez ces patients, l&#8217;absorption et l&#8217;oxydation du glucose par les cellules musculaires sont alt\u00e9r\u00e9es; cependant, l&#8217;utilisation des graisses est normale voire augment\u00e9e, sugg\u00e9rant ainsi un avantage pour un apport alimentaire en lipides \u00a0plus \u00e9lev\u00e9 qu\u2019en glucides pour favoriser un apport \u00e9nerg\u00e9tique efficace chez ces patients r\u00e9sistant \u00e0 l\u2019insuline.<\/p>\n<p>&nbsp;<\/p>\n<h3>Les besoins en prot\u00e9ines sont plus importants chez les patients atteints de cancer<\/h3>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-14451\" src=\"https:\/\/www.lactalisingredients.com\/wp-content\/uploads\/2022\/11\/Visuels-blog-2021-2022-5-1.png\" alt=\"\" width=\"450\" height=\"253\" srcset=\"https:\/\/www.lactalisingredients.com\/wp-content\/uploads\/2022\/11\/Visuels-blog-2021-2022-5-1.png 560w, https:\/\/www.lactalisingredients.com\/wp-content\/uploads\/2022\/11\/Visuels-blog-2021-2022-5-1-300x169.png 300w, https:\/\/www.lactalisingredients.com\/wp-content\/uploads\/2022\/11\/Visuels-blog-2021-2022-5-1-24x14.png 24w, https:\/\/www.lactalisingredients.com\/wp-content\/uploads\/2022\/11\/Visuels-blog-2021-2022-5-1-36x20.png 36w, https:\/\/www.lactalisingredients.com\/wp-content\/uploads\/2022\/11\/Visuels-blog-2021-2022-5-1-48x27.png 48w\" sizes=\"auto, (max-width: 450px) 100vw, 450px\" \/><\/p>\n<p style=\"text-align: center;\">Figure 2 : Equilibre entre anabolisme et catabolisme<\/p>\n<p>Le maintien de la masse musculaire d\u00e9pend de la balance entre le taux de synth\u00e8se des prot\u00e9ines musculaires (anabolisme) et leur d\u00e9gradation (catabolisme) [8\u201310]. <strong>Chez les patients atteints de cancer, le renouvellement des prot\u00e9ines musculaires peut \u00eatre perturb\u00e9 <\/strong>[10,11] cela pour plusieurs raisons\u00a0:<\/p>\n<p>&nbsp;<\/p>\n<ul class=\"ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"ul\">\n<li style=\"list-style-type: none;\">\n<ul style=\"list-style-type: disc;\">\n<li>Un apport r\u00e9duit en prot\u00e9ines en raison de l\u2019anorexie li\u00e9e \u00e0 l\u2019inflammation et des effets ind\u00e9sirables du traitement du cancer contribue \u00e0 la perte musculaire [12,13]<\/li>\n<li>En plus de l\u2019apport r\u00e9duit en prot\u00e9ines, la synth\u00e8se prot\u00e9ique musculaire est fortement affect\u00e9e par le niveau d\u2019activit\u00e9 physique [9,14\u201316], qui est souvent diminu\u00e9e dans le cas d\u2019un cancer , exacerbant encore le catabolisme, c\u2019est-\u00e0-dire la d\u00e9gradation prot\u00e9ique.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p>Cette perte musculaire chez ces patients s\u2019appelle la cachexie\u00a0: <strong>50% des patients atteints de cancer sont cachexiques [<\/strong><strong>20]<\/strong><strong> et 60-80% des patients atteints de cancer du poumon, colorectal, t\u00eate, estomac et pancr\u00e9atique [<\/strong><strong>21]<\/strong><strong>.<\/strong><\/p>\n<p>&nbsp;<\/p>\n<blockquote><p>Des \u00e9tudes m\u00e9taboliques ont montr\u00e9 qu&#8217;un apport \u00e9lev\u00e9 en prot\u00e9ines favorisait la synth\u00e8se prot\u00e9ique des prot\u00e9ines musculaires chez les patients atteints de cancer<\/p>\n<p>&nbsp;<\/p><\/blockquote>\n<p>Des \u00e9tudes m\u00e9taboliques ont montr\u00e9 qu&#8217;un apport \u00e9lev\u00e9 en prot\u00e9ines favorisait la synth\u00e8se prot\u00e9ique des prot\u00e9ines musculaires chez les patients atteints de cancer [22].<\/p>\n<p>C\u2019est pour cette raison que les directives de l\u2019ESPEN recommandent au moins <strong>1g\/kg\/jour de prot\u00e9ines voire 1.5g\/kg\/jour <\/strong>quand c\u2019est possible [2]. Par exemple, <strong>pour une personne pesant 70kg, cela repr\u00e9sente entre 70 et 105g de prot\u00e9ine par jour. <\/strong>En comparaison, il est recommand\u00e9 pour une adulte sain de consommer 0.8g\/kg\/jour de prot\u00e9ine.<\/p>\n<p>&nbsp;<\/p>\n<h3>La qualit\u00e9 des prot\u00e9ines est tout aussi importante que la quantit\u00e9\u00a0!<\/h3>\n<p><a href=\"https:\/\/www.lactalisingredients.com\/fr\/news\/blog\/qualite-vs-quantite-comment-evaluer-la-qualite-des-proteines\/\"><span style=\"text-decoration: underline;\">La qualit\u00e9 des prot\u00e9ines<\/span><\/a> se base sur la mesure de sa composition en acides amin\u00e9s indispensables et sa digestibilit\u00e9. Plus une prot\u00e9ine est riche en acides amin\u00e9s indispensables, plus l\u2019organisme sera capable de produire de nouvelles prot\u00e9ines.<\/p>\n<p>En plus de la qualit\u00e9 de la prot\u00e9ine, la vitesse d\u2019absorption des prot\u00e9ines est tr\u00e8s importante car en fonction de la vitesse d\u2019absorption des acides amin\u00e9s dans le sang, les effets sur l\u2019organisme sont diff\u00e9rents.<\/p>\n<p>En g\u00e9n\u00e9ral, <strong>les prot\u00e9ines s\u00e9riques, telle que le lactos\u00e9rum<\/strong>, sont qualifi\u00e9es de prot\u00e9ine dites \u00ab <strong>rapides<\/strong> \u00bb car le passage entre l\u2019estomac et l\u2019intestin est rapide et que, lors de sa digestion, les acides amin\u00e9s y sont absorb\u00e9s sur une br\u00e8ve dur\u00e9e [23]. Enfin, il a \u00e9t\u00e9 montr\u00e9 que l\u2019arriv\u00e9e rapide des acides amin\u00e9s dans le sang, notamment de la leucine, induisait une augmentation de la synth\u00e8se musculaire [24].<\/p>\n<p>Contrairement aux prot\u00e9ines de lactos\u00e9rum, <strong>l\u2019estomac dig\u00e8re plus lentement les cas\u00e9ines <\/strong>induisant une lib\u00e9ration plus lente dans le sang ce qui conf\u00e8re \u00e0 la cas\u00e9ine une capacit\u00e9 de r\u00e9duction de la d\u00e9gradation et d\u2019augmenter la synth\u00e8se de prot\u00e9ines musculaires [23,25].<\/p>\n<p><strong>Aujourd\u2019hui, quelques \u00a0donn\u00e9es de la litt\u00e9rature montrent un impact de la qualit\u00e9 de la prot\u00e9ine chez le patient atteint de cancer<\/strong>. Parmi ces \u00e9tudes, des r\u00e9sultats indiquent qu\u2019il y a certains avantages \u00e0 consommer des prot\u00e9ines laiti\u00e8res chez ces patients notamment chez les patients atteints de cachexie. Chez ces patients, des \u00e9tudes ont montr\u00e9 que\u00a0:<\/p>\n<ul class=\"ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"ul\" style=\"list-style-type: disc;\">\n<li>L\u2019enrichissement d\u2019un m\u00e9lange de cas\u00e9ine (90%) et de prot\u00e9ine de lactos\u00e9rum (10%) augmentait la synth\u00e8se prot\u00e9ique chez ces patients<\/li>\n<li>La prot\u00e9ine de lactos\u00e9rum a permis de pr\u00e9server les prot\u00e9ines musculaires pendant une p\u00e9riode de d\u00e9ficit calorique chronique [26]<\/li>\n<li>La consommation durant la p\u00e9riode p\u00e9riop\u00e9rative de prot\u00e9ine de lactos\u00e9rum am\u00e9liore les capacit\u00e9s physiques fonctionnelles chez des patients ayant subi une r\u00e9section colorectale [27]<\/li>\n<li>En plus des conseils nutritionnels, des patients ayant re\u00e7u 20g d\u2019isolat de prot\u00e9ine de lactos\u00e9rum (WPI) (vs groupe conseils nutritionnelle sans WPI) pendant 3 mois ont montr\u00e9 une am\u00e9lioration du poids corporel, de la force musculaire ou encore une r\u00e9duction de la toxicit\u00e9 de la chimioth\u00e9rapie [28]<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h3>Pour subvenir \u00e0 ces besoins nutritionnels, des conseils di\u00e9t\u00e9tiques ou encore de compl\u00e9ments nutritionnels oraux sont recommand\u00e9s.<\/h3>\n<p><strong>Ces conseils incluent\u00a0:<\/strong> [2]<\/p>\n<ul class=\"ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"ul\">\n<li style=\"list-style-type: none;\">\n<ul style=\"list-style-type: disc;\">\n<li>Les conseils di\u00e9t\u00e9tiques en premi\u00e8re intention encourager l\u2019apport en aliment et boissons riches en \u00e9nergie et en prot\u00e9ines que le patient puisse tol\u00e9rer,<\/li>\n<li>Le traitement des sympt\u00f4mes ayant un impact direct sur la prise alimentaire<\/li>\n<li>Et \u00e9galement proposer les Compl\u00e9ments Nutritionnels Oraux<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p>Cette prise en charge nutritionnelle est pr\u00e9f\u00e9rablement initi\u00e9e quand le patient n\u2019est pas encore s\u00e9v\u00e8rement d\u00e9nutri <span style=\"text-decoration: underline;\">[<\/span>2].<\/p>\n<p>La suppl\u00e9mentation en CNO est conseill\u00e9e quand l\u2019alimentation enrichie n\u2019est pas efficace pour atteindre les cibles nutritionnelles\u00a0:<\/p>\n<ul class=\"ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"ul\" style=\"list-style-type: disc;\">\n<li>Ils sont indiqu\u00e9s quand le patient n\u2019est pas capable de manger moins de 50% des apports en une semaine ou entre 50 et 75% des besoins en 2 jours [2].<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h2><span style=\"text-decoration: underline;\">Conclusion<\/span><\/h2>\n<p><a href=\"https:\/\/www.lactalisingredients.com\/fr\/produits-ingredients-laitiers\/proteines-et-mineraux\/pronativ-proteine-native-de-lactoserum\/\"><span style=\"text-decoration: underline;\">Pronativ\u00ae Prot\u00e9ine S\u00e9rique Native<\/span><\/a> et <a href=\"https:\/\/www.lactalisingredients.com\/fr\/produits-ingredients-laitiers\/proteines-et-mineraux\/pronativ-caseine-micellaire-native\/\"><span style=\"text-decoration: underline;\">PRONATIV\u00ae Cas\u00e9ine Micellaire<\/span><\/a> sont des prot\u00e9ines natives, extraites directement \u00e0 partir du lait avec un proc\u00e9d\u00e9 non d\u00e9naturant et uniquement physique. Ces produits s\u2019inscrivent tout \u00e0 fait dans la prise en charge des patients atteints de cancer.<\/p>\n<p>&nbsp;<\/p>\n<p><strong><span style=\"text-decoration: underline; color: #000000;\">Sources :<\/span><\/strong><br \/>\n<span style=\"font-size: 8pt; color: #000000;\">[1] Bray, F. <em>et al.<\/em> Global cancer statistics 2018: GLOBOCAN estimates of incidence and mortality worldwide for 36 cancers in 185 countries. <em>CA. Cancer J. Clin.<\/em> <strong>68<\/strong>, 394\u2013424 (2018).<\/span><br \/>\n<span style=\"font-size: 8pt; color: #000000;\">[2] Muscaritoli, M. <em>et al.<\/em> ESPEN practical guideline: Clinical Nutrition in cancer. <em>Clin. Nutr. Edinb. Scotl.<\/em> <strong>40<\/strong>, 2898\u20132913 (2021).<\/span><br \/>\n<span style=\"font-size: 8pt;\"><span style=\"color: #000000;\">[3] Muscaritoli, M. <\/span><em><span style=\"color: #000000;\">et al<\/span>.<\/em> Prevalence of malnutrition in patients at first medical oncology visit: the PreMiO study. <em>Oncotarget<\/em> <strong>8<\/strong>, 79884\u201379896 (2017).<\/span><br \/>\n<span style=\"font-size: 8pt;\">[4] Gibney, E., Elia, M., Jebb, S. A., Murgatroyd, P. &amp; Jennings, G. Total energy expenditure in patients with small-cell lung cancer: results of a validated study using the bicarbonate-urea method. <em>Metabolism.<\/em> <strong>46<\/strong>, 1412\u20131417 (1997).<\/span><br \/>\n<span style=\"font-size: 8pt;\">[5] Moses, A. W. G., Slater, C., Preston, T., Barber, M. D. &amp; Fearon, K. C. H. Reduced total energy expenditure and physical activity in cachectic patients with pancreatic cancer can be modulated by an energy and protein dense oral supplement enriched with n-3 fatty acids. <em>Br. J. Cancer<\/em> <strong>90<\/strong>, 996\u20131002 (2004).<\/span><br \/>\n<span style=\"font-size: 8pt;\">[6] Bosaeus, I., Daneryd, P., Svanberg, E. &amp; Lundholm, K. Dietary intake and resting energy expenditure in relation to weight loss in unselected cancer patients. <em>Int. J. Cancer<\/em> <strong>93<\/strong>, 380\u2013383 (2001).<\/span><br \/>\n<span style=\"font-size: 8pt;\">[7] Cao, D. <em>et al.<\/em> Resting energy expenditure and body composition in patients with newly detected cancer. <em>Clin. Nutr. Edinb. Scotl.<\/em> <strong>29<\/strong>, 72\u201377 (2010).<\/span><br \/>\n<span style=\"font-size: 8pt;\">[8] van Vliet, S., Burd, N. A. &amp; van Loon, L. J. The Skeletal Muscle Anabolic Response to Plant- versus Animal-Based Protein Consumption. <em>J. Nutr.<\/em> <strong>145<\/strong>, 1981\u20131991 (2015).<\/span><br \/>\n<span style=\"font-size: 8pt;\">[9] Wolfe, R. R. Regulation of Muscle Protein by Amino Acids. <em>J. Nutr.<\/em> <strong>132<\/strong>, 3219S-3224S (2002).<\/span><br \/>\n<span style=\"font-size: 8pt;\">[10] Phillips, S. M., Glover, E. I. &amp; Rennie, M. J. Alterations of protein turnover underlying disuse atrophy in human skeletal muscle. <em>J. Appl. Physiol.<\/em> <strong>107<\/strong>, 645\u2013654 (2009).<\/span><br \/>\n<span style=\"font-size: 8pt;\">[11] van der Meij, B. S., Deutz, N. E. P., Rodriguez, R. E. R. &amp; Engelen, M. P. K. J. Increased amino acid turnover and myofibrillar protein breakdown in advanced cancer are associated with muscle weakness and impaired physical function. <em>Clin. Nutr.<\/em> <strong>38<\/strong>, 2399\u20132407 (2019).<\/span><br \/>\n<span style=\"font-size: 8pt;\">[12] van der Meij, B. S., Teleni, L., Engelen, M. P. K. J. &amp; Deutz, N. E. P. Amino acid kinetics and the response to nutrition in patients with cancer. <em>Int. J. Radiat. Biol.<\/em> <strong>95<\/strong>, 480\u2013492 (2019).<\/span><br \/>\n<span style=\"font-size: 8pt;\">[13] Dodson, S. <em>et al.<\/em> Muscle Wasting in Cancer Cachexia: Clinical Implications, Diagnosis, and Emerging Treatment Strategies. <em>Annu. Rev. Med.<\/em> <strong>62<\/strong>, 265\u201379 (2011).<\/span><br \/>\n<span style=\"font-size: 8pt;\">[14] Paddon-Jones, D., Short, K. R., Campbell, W. W., Volpi, E. &amp; Wolfe, R. R. Role of dietary protein in the sarcopenia of aging. <em>Am. J. Clin. Nutr.<\/em> <strong>87<\/strong>, 1562S-1566S (2008).<\/span><br \/>\n<span style=\"font-size: 8pt;\">[15] Phillips, S. M. Nutrient-rich meat proteins in offsetting age-related muscle loss. <em>Meat Sci.<\/em> <strong>92<\/strong>, 174\u2013178 (2012).<\/span><br \/>\n<span style=\"font-size: 8pt;\">[16] Deutz, N. E. P. <em>et al.<\/em> Muscle protein synthesis in cancer patients can be stimulated with a specially formulated medical food. <em>Clin. Nutr.<\/em> <strong>30<\/strong>, 759\u2013768 (2011).<\/span><br \/>\n<span style=\"font-size: 8pt;\">[17] Hasegawa, Y. <em>et al.<\/em> Protein intake after the initiation of chemotherapy is an independent prognostic factor for overall survival in patients with unresectable pancreatic cancer: A prospective cohort study. <em>Clin. Nutr.<\/em> <strong>40<\/strong>, 4792\u20134798 (2021).<\/span><br \/>\n<span style=\"font-size: 8pt;\">[18] Lawson, C., Ferreira, V., Carli, F. &amp; Chevalier, S. Effects of multimodal prehabilitation on muscle size, myosteatosis, and dietary intake of surgical patients with lung cancer \u2014 a randomized feasibility study. <em>Appl. Physiol. Nutr. Metab.<\/em> <strong>46<\/strong>, 1407\u20131416 (2021).<\/span><br \/>\n<span style=\"font-size: 8pt;\">[19] Smith, W. A., Nolan, V. G., Robison, L. L., Hudson, M. M. &amp; Ness, K. K. Physical activity among cancer survivors and those with no history of cancer\u2014 a report from the National Health and Nutrition Examination Survey 2003-2006. <em>Am. J. Transl. Res.<\/em> <strong>3<\/strong>, 342\u2013350 (2011).<\/span><br \/>\n<span style=\"font-size: 8pt;\">[20] Tisdale, M. J. Mechanisms of cancer cachexia. <em>Physiol. Rev.<\/em> <strong>89<\/strong>, 381\u2013410 (2009).<\/span><br \/>\n<span style=\"font-size: 8pt;\">[21] Laviano, A. &amp; Meguid, M. M. Nutritional issues in cancer management. <em>Nutr. Burbank Los Angel. Cty. Calif<\/em> <strong>12<\/strong>, 358\u2013371 (1996).<\/span><br \/>\n<span style=\"font-size: 8pt;\">[22] Baracos, V. E. Skeletal muscle anabolism in patients with advanced cancer. <em>Lancet Oncol.<\/em> <strong>16<\/strong>, 13\u201314 (2015).<\/span><br \/>\n<span style=\"font-size: 8pt;\">[23] Boirie, Y. <em>et al.<\/em> Slow and fast dietary proteins differently modulate postprandial protein accretion. <em>Proc. Natl. Acad. Sci. U. S. A.<\/em> <strong>94<\/strong>, 14930\u201314935 (1997).<\/span><br \/>\n<span style=\"font-size: 8pt;\">[24] J\u00e4ger, R. <em>et al.<\/em> International Society of Sports Nutrition Position Stand: protein and exercise. <em>J. Int. Soc. Sports Nutr.<\/em> <strong>14<\/strong>, 20 (2017).<\/span><br \/>\n<span style=\"font-size: 8pt;\">[25] Devries, M. C. &amp; Phillips, S. M. Supplemental Protein in Support of Muscle Mass and Health: Advantage Whey. <em>J. Food Sci.<\/em> <strong>80<\/strong>, A8\u2013A15 (2015).<\/span><br \/>\n<span style=\"font-size: 8pt;\">[26] Coker, R. H., Miller, S., Schutzler, S., Deutz, N. &amp; Wolfe, R. R. Whey protein and essential amino acids promote the reduction of adipose tissue and increased muscle protein synthesis during caloric restriction-induced weight loss in elderly, obese individuals. <em>Nutr. J.<\/em> <strong>11<\/strong>, 105 (2012).<\/span><br \/>\n<span style=\"font-size: 8pt;\">[27] Gillis, C. <em>et al.<\/em> Prehabilitation with Whey Protein Supplementation on Perioperative Functional Exercise Capacity in Patients Undergoing Colorectal Resection for Cancer: A Pilot Double-Blinded Randomized Placebo-Controlled Trial. <em>J. Acad. Nutr. Diet.<\/em> <strong>116<\/strong>, 802\u2013812 (2016).<\/span><br \/>\n<span style=\"font-size: 8pt;\">[28] Cereda, E. <em>et al.<\/em> Nutritional counseling with or without systematic use of oral nutritional supplements in head and neck cancer patients undergoing radiotherapy. <em>Radiother. Oncol. J. Eur. Soc. Ther. Radiol. 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