Uric acid extrarenal excretion: the gut microbiome as an evident yet understated factor in gout development

EO Méndez-Salazar, GA Martínez-Nava - Rheumatology International, 2022 - Springer
Humans do not produce uricase, an enzyme responsible for degrading uric acid. However,
some bacteria residing in the gut can degrade one-third of the dietary and endogenous uric …

Nitrogen recycling via gut symbionts increases in ground squirrels over the hibernation season

MD Regan, E Chiang, Y Liu, M Tonelli, KM Verdoorn… - Science, 2022 - science.org
Hibernation is a mammalian strategy that uses metabolic plasticity to reduce energy
demands and enable long-term fasting. Fasting mitigates winter food scarcity but eliminates …

[HTML][HTML] Amino acid homeostasis in mammalian cells with a focus on amino acid transport

S Bröer, G Gauthier-Coles - The Journal of nutrition, 2022 - Elsevier
Amino acid homeostasis is maintained by import, export, oxidation, and synthesis of
nonessential amino acids, and by the synthesis and breakdown of protein. These processes …

Tryptophan‐synthesizing bacteria enhance colonic motility

TB Legan, B Lavoie, E Norberg, IC Ley… - …, 2023 - Wiley Online Library
Background An emerging strategy to treat symptoms of gastrointestinal (GI) dysmotility
utilizes the administration of isolated bacteria. However, the underlying mechanisms of …

[HTML][HTML] Physiological bioactivity of a postbiotic consisting of heat-treated lactobacilli on mouse small intestine

F Uhlig, AK Warda, CM Hueston, LA Draper… - Journal of Functional …, 2023 - Elsevier
Lactobacillus LB is a postbiotic generated following fermentation by Limosilactobacillus
fermentum and Lactobacillus delbrueckii. Lactobacillus LB alleviates acute diarrhoea and …

Differential effects of sulfur amino acid-restricted and low-calorie diets on gut microbiome profile and bile acid composition in male C57BL6/J mice

SN Nichenametla, DAL Mattocks… - The Journals of …, 2021 - academic.oup.com
Diet can affect health and longevity by altering the gut microbiome profile. Sulfur amino acid
restriction (SAAR), like caloric restriction, extends lifespan. But, its effect on the gut …

Flux coupling, not specificity, shapes the transport and phylogeny of SLC6 glycine transporters

B Le Guellec, F Rousseau, M Bied… - Proceedings of the …, 2022 - National Acad Sciences
ATB 0,+(SLC6A14) is a member of the amino acid transporter branch of the SLC6 family
along with GlyT1 (SLC6A9) and GlyT2 (SLC6A5), two glycine-specific transporters coupled …

Dietary tryptophan, tyrosine, and phenylalanine depletion induce reduced food intake and behavioral alterations in mice

X Zhang, K Yoshihara, N Miyata, T Hata… - Physiology & …, 2022 - Elsevier
Important precursors of monoaminergic neurotransmitters, dietary tryptophan (TRP),
tyrosine, and phenylalanine (all referred to as TTP), play crucial roles in a wide range of …

Increase in Paracellular Leakage of Amino Acids Mediated by Aging-Induced Reduction of Claudin-4 Expression

E Okamoto, S Matsuda, Y Yoshino, Y Morikawa… - The Journal of …, 2023 - Elsevier
Abstract Background Claudins (CLDNs), major components of tight junctions, control
paracellular permeabilities of mineral ions and wastes. The absorption of nutrients including …

The effect of claudin-15 deletion on cationic selectivity and transport in paracellular pathways of the cecum and large intestine

W Hempstock, N Nagata, N Ishizuka, H Hayashi - Scientific Reports, 2023 - nature.com
The large intestine plays a pivotal role in water and electrolyte balance. Paracellular
transport may play a role in ion transport mechanisms in the cecum and large intestine; …