Le jeûne��Une intervention médicale majeure à (re)découvrir
De la chimiothérapie à la médecine preventive
Dr Patrick Salmon
KISS Lab
25 Avril 2017
Le jeûne - Aspect sociologique��Le jeûne, ce n’est pas…
Le jeûne - Aspect sociologique��Le jeûne, ce n’est pas…
Le jeûne: Aspect physiologique��Le jeûne, ce n’est pas…
Le jeûne: Aspect physiologique��Le jeûne, c’est…
Le jeûne �en médecine occidentale “traditionnelle”:
Savoir perdu, pensée paresseuse, ignorance active, pensée magique
Quelles provisions à bord?
http://www.derangedphysiology.com/php/nutrition-and-malnutrition/1-Physiology-of-starvation.php
Autonomie à 500 kCal/h
2 heures de course
5 jours de course au moins
| |
Muscle 20% | Muscle
20% |
Fat 20% | Fat 20-25% |
Les phases et carburants du jeûne
http://www.derangedphysiology.com/php/nutrition-and-malnutrition/1-Physiology-of-starvation.php
https://intensivedietarymanagement.com/fasting-and-lipolysis-part-4/
Production et utilisation des carburants
https://www.diapedia.org/metabolism-insulin-and-other-hormones/51040851169/ketone-body-metabolism
Stratégies métaboliques pour un jeûne bref
http://www.derangedphysiology.com/php/nutrition-and-malnutrition/1-Physiology-of-starvation.php
Stratégies métaboliques pour un jeûne long
http://www.derangedphysiology.com/php/nutrition-and-malnutrition/1-Physiology-of-starvation.php
Variations hormonales lors du jeûne
https://intensivedietarymanagement.com/fasting-physiology-part-ii/
Thissen et al. (1999) Nutrition reviews
IGF-1, le maître de cérémonie du jeûne
Lee … Longo (2010) Cancer Research
IGF-1
76 AA
7’649 Da
Half-life 12-15 h
IGF-1, le maître de cérémonie du jeûne
International Journal of Obesity (2011) 25, 1233
Thissen et al. (1999) Nutrition reviews
Même chez l’homme après juste 36h !!!
Enough review, show us data!!!
Lee … Longo (2012) Science Translational Medicine
Allografted 4T1 breast tumor (no chemo)
Lee … Longo (2012) Science Translational Medicine
Human breast cancer
in
7-week old Nude mice
Human ovarian cancer
in
7-week old Nude mice
Fasting protects against toxicity of chemotherapy TTT
Lee … Longo (2012) Science Translational Medicine
Murine breast cancer 4T1
(2x10e5) in tail vein of
12-week old Nude mice
Murine neuroblastoma NXS2
(2x10e5) in tail vein of
6-week old A/J mice
Fasting allows for survival from metastatic cancer when combined with chemotherapy TTT
Lee … Longo (2012) Science Translational Medicine
Murine neuroblastoma Neuro-2a (10e6)
in tail vein of 6-week old A/J mice
Fasting boosts survival and weight control in metastatic cancer treated with chemotherapy TTT
Lee … Longo (2012) Science Translational Medicine
Murine B16
melanoma cells (2x10e5) in tail vein of 12-week old C57BL/6
Fasting decreases metastasis
even without chemotherapy TTT
Lee … Longo (2012) Science Translational Medicine
Fasting makes cancer cells “hungry and angry”
and tells normal cells to “wait and hide”
Cdkn1a = p21
Prlr = Prolactin receptor
Lee … Longo (2012) Science Translational Medicine
Cancer cells have lost the appropriate response to stress
A little refresher on hematopoiesis
CD48-CD150+
CD48-CD150-
CD48+CD150-
Cheng … Longo (2014) Cell Stem Cell
Fasting protects the hematopoietic system against chemo-stress
Cheng … Longo (2014) Cell Stem Cell
Fasting promotes hematopoietic regeneration without chemo
Cheng … Longo (2014) Cell Stem Cell
Here again, IGF-1 seems to be the
“master switch” of bone marrow rejuvenation
BrdU+
Cheng … Longo (2014) Cell Stem Cell
Fasting acts both on bone marrow stem cells and niche cells
(Lin-/CD45-)
(LSK, CD48-/CD150+)
(Lin-/CD45-)
Cheng … Longo (2014) Cell Stem Cell
Fasting boosts and balances the hematopoietic system via the Akt/PKA/FoxO1 pathway
FMD for human is 5 days, once a month (3 months):
FMD for mice is 4 days, twice a month:
Heme Oxygenase 1 changes in normal and tumoral cells with fasting or FMD
Di Biase … Longo (2016) Cancer Cell
Synergy of Anthracyclines and FMD for immune recognition of tumor cells
Di Biase … Longo (2016) Cancer Cell
Effect of HO-1 on CD8+ TILs and CD4+ Tregs
Di Biase … Longo (2016) Cancer Cell
FMD for human is 5 days, once a month (3 months):
FMD for mice is 4 days, twice a month:
FMD promotes multi-organ regeneration
Branhorst … Longo (201) Cell Metabolism
FMD promotes neurogenesis in “old” mice
Branhorst … Longo (201) Cell Metabolism
FMD improves motor skills and short-term memory in “old” mice
Branhorst … Longo (201) Cell Metabolism
FMD improves long-term memory in “old” mice
Branhorst … Longo (201) Cell Metabolism
FMD in Humans: Markers of metabolic health, inflammation and rejuvenation
Branhorst … Longo (201) Cell Metabolism
Le jeûne : Privation ou Stimulation?
https://intensivedietarymanagement.com/fasting-and-growth-hormone-physiology-part-3/
Lifestyle A
Lifestyle B
Le jeûne : Quelques conseils
Le jeûne : Quelques conseils
Le jeûne : Quelques options
Le jeûne : Expériences personnelles
Le jeûne : Expériences personnelles
Le jeûne : Expériences personnelles
Le jeûne : Expériences personnelles
Le jeûne : Quelques liens
Le jeûne : Quelques autres liens
Enjoy fasting and refeeding !
Beta-OH butyrate et longévité
Newman and Verdin, Diabetes Res Clin Pract. 2014 Nov; 106(2): 173–181.
Un élixir de jouvence à fabriquer soi-même
avec rien