Results 191 to 200 of about 190,941 (272)

Cryo‐EM reveals ArnA contamination during purification of a ciliary protein complex

open access: yesActa Crystallographica Section D, Volume 82, Issue 5, Page 404-410, May 2026.
ArnA contamination was independently observed during the purification of a soluble, low‐yield protein complex, leading to an unintended 3.23 Å resolution cryo‐EM structure. This work broadens recent findings and highlights ArnA as a recurrent His‐tag‐associated contaminant in Escherichia coli purification workflows.Endogenous Escherichia coli proteins ...
Xuguang Jiang, Masahide Kikkawa
wiley   +1 more source

Fasting and Caloric Restriction Activate an ADIOL‐NHR‐91‐Kynurenine Pathway Signaling Axis to Promote Healthspan

open access: yesAging Cell, Volume 25, Issue 5, May 2026.
The steroid hormone ADIOL emerges as a key mediator of fasting–and caloric restriction–induced healthspan benefits in C. elegans. These regimens activate ADIOL production, which acts through the estrogen receptor β homolog NHR‐91 to reduce neural kynurenic acid levels and enhance healthspan independently of lifespan. ADIOL supplementation, even late in
Ana Guijarro‐Hernández   +6 more
wiley   +1 more source

Long‐Term Stress Adaptation as a Highly‐Conserved Key Factor in Yeast Aging

open access: yesAging Cell, Volume 25, Issue 5, May 2026.
This study shows that long‐term, but not short‐term, stress exposure triggers molecular changes in yeast that mirror established hallmarks of aging, including altered proteostasis, epigenetic shifts, and reduced lifespan. These changes are reversible upon stress removal, and the genes involved are conserved across all domains of life. ABSTRACT Aging is
Yanzhuo Kong   +7 more
wiley   +1 more source

Dietary restriction shapes intergenerational ribosome abundance and early growth of Caenorhabditis elegans offspring. [PDF]

open access: yesPLoS Biol
Pradhan S   +6 more
europepmc   +1 more source

Vitamin K2 Extends Lifespan by Alleviating Mitochondrial Stress via the JNK‐1/SIR‐2.1/DAF‐16 Signaling Axis in Caenorhabditis elegans

open access: yesAging Cell, Volume 25, Issue 5, May 2026.
Vitamin K2 activates the JNK‐1/SIR‐2.1/DAF‐16 signaling axis in C. elegans, alleviating mitochondrial stress, reducing ROS accumulation, preserving mitochondrial function, and extending lifespan. These findings reveal a novel anti‐aging mechanism of Vitamin K2 through mitochondrial protection and stress resistance enhancement.
Song‐Yu Guo   +12 more
wiley   +1 more source

Addiction‐related problems in Japan: A regional perspective

open access: yesAddiction, Volume 121, Issue 5, Page 1316-1324, May 2026.
Abstract Japan's addiction landscape appears paradoxical. The lifetime use of illicit drugs is among the lowest in Organisation for Economic Cooperation and Development countries, but harm from alcohol, tobacco, and gambling ranks among the world's highest.
Soichiro Ide   +19 more
wiley   +1 more source

Anti‐inflammatory effects of physical stimuli: The central role of networks in shaping the future of pharmacological research

open access: yesBritish Journal of Pharmacology, Volume 183, Issue 10, Page 2177-2196, May 2026.
Addressing complexity in the study of life sciences through Systems Biology and Systems Medicine has been transformative, making Systems Pharmacology the next logical step. In this review, we focus on physical stimuli, whose potential in pharmacology has been neglected, despite demonstrated therapeutic properties.
Veronica Paparozzi   +10 more
wiley   +1 more source

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