Saturday, June 21, 2025

Le Point

La bibliothèque

Numéro 2760

2760 -

Iran : le crépuscule des mollahs

Au sommaire de ce numéro :
Exclusif – Pavel Durov : « Je préfère mourir plutôt qu’agir contre mes valeurs »
France – Kairos, le projet fou d’Alain Madelin
Société – J’ai dîné à Balmoral, chez Charles III
« Les grands enjeux de l’énergie » – Jacques Percebois : « Cessons d’empiler les objectifs incohérents »
Cinéma – Brad Pitt en pole position dans « F1 »
Mode – Croisière 2026, le Grand Tour
Style – Dossier spécial autos électriques
Le Postillon – Interview de François Sureau : guerre et crime

La sélection de la rédaction

Pavel Durov, l’homme qui fait trembler les puissants

Qui est vraiment le patron de Telegram, la messagerie secrète au milliard d’abonnés ? Poursuivi par la justice, il rend fous tous les services de renseignements. « Le Point » l’a rencontré.

Par Guillaume Grallet

L'ÉDITO DU POINT

Voir les éditos...

https://static-images.lpnt.fr/cd-cw809/images/2025/06/20/27637713lpw-27637784-mega-une-jpg_11193307.jpg 

Pourquoi la Russie abandonne l’Iran 

Après avoir rompu le contact avec la Syrie et l’Arménie, Moscou est-elle également en train de se détourner de la République islamique, en plein conflit avec Israël ?

 

Recherchez dans les numéros


Friday, June 20, 2025

LIVE: Russia’s Putin Delivers Keynote Speech at St. Petersburg Economic ...

 
 
 
 🌍 St. Petersburg International Economic Forum – 2025 (SPIEF-2025) Dates:  June 16 – June 22, 2025 (7 days) 🤝 Partner Organization: Roscongress  Foundation 🗣 Working Language: English 🌐 Eligible Countries: Open to
 
 
Top stories
  • World needs ‘fundamentally new development model’ 

    – Putin

    The global system must pivot away from neocolonialism, which enabled the ‘golden billion’ 
    to siphon resources for the elites, the Russian president says
    World needs ‘fundamentally new development model’ – Putin

    The world needs a new development model that is not based on the principles of neocolonialism 

    and is resilient to political manipulation, Russian President Vladimir Putin has said. 

    Speaking on Friday at a plenary session of the St. Petersburg International Economic Forum, 

    Putin stated that throughout the past several decades, the so-called ‘golden billion’ has been pumping 

    out resources from other nations to benefit the interests of a narrow circle of elites. 

    He pointed to the example of the US, saying the country’s “super incomes” never actually reached ordinary citizens 

    or the middle class.

This is the first scientific evidence identifying changes in protein secretion as a major reason for the reduced efficacy of exercise in aging individuals

"Exercise is good for your health" is a well-known phrase, but few people can clearly explain how and why it benefits the human body. 
A joint research team has discovered a key protein, CLCF1 (cardiotrophin-like cytokine factor 1), that plays a central role in mediating the health benefits of physical activity.

Exercise-induced protein revives aging muscles and bones, researchers discover

https://scx1.b-cdn.net/csz/news/800a/2025/exercise-induced-prote-2.jpg 
 
 
CLCF1 inhibits osteoclast differentiation and stimulates osteoblast differentiation. Credit: Natu
 

The work is published in the journal Nature Communications. The team was led by Dr. Yong Ryoul Yang of the Aging Convergence Research Group at the Korea Research Institute of Bioscience and Biotechnology (KRIBB, President: Seok-Yoon Kwon) and Professor Nak-Sung Kim of Chonnam National University. . .

The team found that CLCF1 is secreted by muscles during , where it helps strengthen both muscles and bones, thereby suppressing musculoskeletal aging.

 > Further analysis showed that CLCF1 
  • enhances mitochondrial function in
  • inhibits the formation of bone-resorbing osteoclasts, and 
  • promotes the differentiation of bone-forming osteoblasts. 
This is the first scientific evidence identifying changes in protein secretion as a major reason for the reduced efficacy of exercise in aging individuals.
 
Dr. Yang from KRIBB said,  
"This research provides a biological basis for why exercise becomes less effective with age, and it lays the groundwork for developing new therapeutic strategies for healthy aging. In particular, the findings offer new directions for treating age-related sarcopenia and osteoporosis."

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