Results 41 to 50 of about 5,381 (125)

Data‐Independent Acquisition Mass Spectrometry in Tumor Classification and Cancer Biomarker Research

open access: yesMass Spectrometry Reviews, EarlyView.
Abstract Cancer treatment is far from optimal also because current classification systems do not reflect the complex molecular status of the tumor and its phenotype in sufficient detail. To construct molecular tumor classifiers, omics tools provide complex molecular data reflecting many aspects from genotype to phenotype.
Jan Simonik   +3 more
wiley   +1 more source

Comparison of Three Sympatric Desert Lizards: Digestive Tract Structure, Digestive Enzyme Activities, Gut Microbiota, and Metabolites

open access: yesIntegrative Zoology, EarlyView.
We performed 16S rDNA sequencing and metabolite profiling for three sympatric lizard species—Teratoscincus roborowskii, Phrynocephalus axillaris, and Eremias roborowskii—and compared their goblet cell and enzyme activities in the digestive tract. Our study suggests that the dietary niche may promote divergence or convergence of microbiota across host ...
Yi Yang, Ziyi Wang, Ruichen Wu
wiley   +1 more source

Methionine Regulates Antitumour Function of CD8+ T Cells Through Polyamine Synthesis

open access: yesImmunology, EarlyView.
Methionine restriction in vitro enhances CD8+ T cell effector function by suppressing polyamine synthesis and progressively induces the co‐expression of PD‐1 and TIM‐3. Consistently, sustained dietary methionine restriction diminishes the efficacy of adoptive T cell therapy (ACT) and promotes the expression of terminal exhaustion‐associated markers ...
Tian Zhao   +16 more
wiley   +1 more source

Cell‐Specific Expression and Cellular Compartmental Regulation in Camptothecin Biosynthesis

open access: yesPlant Biotechnology Journal, EarlyView.
ABSTRACT Plant secondary metabolites such as monoterpenoid indole alkaloids (MIAs) show tightly regulated biosynthesis and accumulation in specific organelles of distinct cell types. However, the cell‐specific expression patterns of anticancer MIA camptothecin biosynthetic genes in Ophiorrhiza pumila and the regulatory mechanisms of camptothecin ...
Xiaolong Hao   +12 more
wiley   +1 more source

Metabolic pattern across energy imbalance: An exploratory metabolomics study of female body weight extremes including anorexia nervosa and athletes

open access: yesExperimental Physiology, EarlyView.
Abstract In anorexia nervosa (AN), prolonged metabolic adaptation to severe energy deficiency can impair treatment efficacy. Similarly, low energy availability poses a recognized risk to athletes, potentially compromising health and performance. This cross‐sectional study aimed to characterize the plasma metabolic pattern of females with varying ...
Sonja Lackner   +6 more
wiley   +1 more source

Determination of Phospholipids in Antarctic Krill by Hydrophilic Interaction Ultra-high Performance Liquid Chromatography-Tandem Mass Spectrometry Using TiO2/KCC-1 Solid Phase Extraction [PDF]

open access: yesShipin Kexue
Phosphatidylcholine (PC), phosphatidyl ethanolamine (PE), phosphatidylserine (PS), and phosphatidylinositol (PI) are the four major phospholipids in Antarctic krill.
ZHANG Xintong, TANG Guangzhi, SHEN Qing, LEI Min, TAN Shuping, LIN Biling, ZHOU Ruiqi, LIANG Xiubi, GUO Lianxian, LI Linqiu
doaj   +1 more source

Mitochondrial Ca2+ uniporter haploinsufficiency leads to sexually dimorphic redox imbalance and metabolic remodelling in the mouse brain

open access: yesThe Journal of Physiology, EarlyView.
Abstract figure legend The genetic inactivation of one Mcu allele leads to sex‐specific changes in neuronal function in adult mice, that is, the firing of action potentials and the relationship between cytosolic and mitochondrial Ca2+ levels. The ability to produce NAD(P)H by stimulated neural tissue is largely preserved in male mice but delayed in ...
Jenna Gray   +16 more
wiley   +1 more source

Determination of γ-aminobutyric acid in beverages by UPLC-MS/MS and its dietary exposure risk assessment [PDF]

open access: yesZhongguo niangzao
A rapid analytical method for the determination of γ-aminobutyric acid in beverages was established based on ultra-high performance liquid chromatogram-tandem mass spectrometry (UPLC-MS/MS), and the dietary risk of γ-aminobutyric acid in beverages was ...
MIN Yuhang, XIANG Qi, WU Ke, SHE Cheng, TANG Ruiyi, LIU Na, LI Jie, LAN Lan
doaj   +1 more source

Resolution and Quantitation of Ribonucleosides and Deoxyribonucleosides in Digested Genomic DNA by UHPLC–MS/MS

open access: yesBiomedical Chromatography, Volume 40, Issue 10, October 2026.
ABSTRACT Deoxyuridine (dUrd) is often misincorporated into genomic DNA in cancer patients receiving antimetabolite chemotherapy. This activates base excision repair and recruits ataxia telangiectasia‐mutated and Rad3‐related (ATR), which coordinates DNA repair with nucleotide metabolism by facilitating ribonucleotide reductase (RNR) activity ...
Joshua J. Deppas   +5 more
wiley   +1 more source

Predicting Poor Efficacy of Cabozantinib in Advanced Renal Cell Carcinoma by Exploratory Metabolic Pathway Analysis and In Vitro Verification

open access: yesCancer Medicine, Volume 15, Issue 8, August 2026.
ABSTRACT Background Cabozantinib (CABO) is currently an essential drug for first‐line and sequential therapy in the treatment of advanced renal cell carcinoma (RCC). Predicting its therapeutic efficacy will enable efficient drug selection and improve the prognosis of patients.
Takanari Sakai   +10 more
wiley   +1 more source

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