Results 71 to 80 of about 9,999 (176)

Quantitative proteomics of rat livers shows that unrestricted feeding is stressful for proteostasis with implications on life span. [PDF]

, 2016
Studies in young mammals on the molecular effects of food restriction leading to prolong adult life are scares. Here, we used high-throughput quantitative proteomic analysis of whole rat livers to address the molecular basis for growth arrest and the ...
Finka, A., Gat-Yablonski, G., Goloubinoff, P., Pinto, G., Quadroni, M., Shtaif, B.   +5 more
core   +1 more source

Stimulation of Enzyme Reaction Rates by Crystalline Substrate Irradiation: Dependence on Identity of Irradiated Substance [PDF]

arXiv, 2013
The study reported here concerns a phenomenon, discovered and extensively investigated by Sorin Comorosan, wherein enzyme initial reaction rates are enhanced as a consequence of incorporation of solutions derived from previously irradiated crystalline material into the reaction medium.
arxiv  

Age‐Dependent Regulation of Hippocampal Inflammation by the Mitochondrial Translocator Protein in Mice

Aging Cell, EarlyView.
The role of mitochondrial translocator protein (TSPO) in hippocampal inflammation is age‐dependent, with TSPO deletion drastically exacerbating inflammation in aged mice, while dampening it in young mice. This TSPO–aging interaction was linked to NF‐kβ and interferon regulatory transcriptional networks. TSPO deletion exacerbated age‐dependent depletion
Kei Onn Lai, Jia Hui Wong, Nevin Tham, Lauren Fairley, Roshan Ratnakar Naik, Yulan Wang, Sarah R. Langley, Anna M. Barron   +7 more
wiley   +1 more source

Diatom triacylglycerol metabolism: from carbon fixation to lipid droplet degradation

Biological Reviews, EarlyView.
ABSTRACT Diatoms are a prominent microalgae family that has attracted interest for its production of molecules of biotechnological interest. Their fatty acid profile is rich in health‐beneficial omega‐3 eicosapentaenoic acid (EPA). Furthermore, under nutrient‐deprived conditions, many diatom species, notably Phaeodactylum tricornutum, Thalassiosira ...
Victor Murison, Josiane Hérault, Justine Marchand, Lionel Ulmann   +3 more
wiley   +1 more source

Testis‐Specific PDHA2 Is Required for Proper Meiotic Recombination and Chromosome Organisation During Spermatogenesis

Cell Proliferation, EarlyView.
PDHA2, a testis‐specific subunit of pyruvate dehydrogenase, is required for the conversion of pyruvate to acetyl‐CoA. Its absence results in decreased acetyl‐CoA and precursors for metabolites and energy during spermatogenesis. This results in decreased histone acetylation, defective chromosome structure and moderately reduced crossovers, ultimately ...
Guoqiang Wang, Kailun Fang, Yongliang Shang, Xu Zhou, Qiqi Shao, Si Li, Ping Wang, Charlie Degui Chen, Liangran Zhang, Shunxin Wang   +9 more
wiley   +1 more source

Effects of pyruvate administration on infarct volume and neurological deficits following permanent focal cerebral ischemia in rats [PDF]

Brain Research 990(1-2): 1-7 (2003), 2007
Recent experimental evidences indicate that pyruvate, the final metabolite of glycolysis, has a remarkable protective effect against different types of brain injury. The purpose of this study was to assess the neuroprotective effect and the neurological outcome after pyruvate administration in a model of ischemic stroke induced by permanent middle ...
arxiv  

Elucidating the Role and Mechanism of Alpha‐Enolase in Senescent Amelioration via Metabolic Reprogramming

Cell Proliferation, EarlyView.
KB2764 interacted with alpha‐enolase (ENO1) and pyruvate kinase M (PKM), ultimately leading to PKM phosphorylation of ENO1. KB2764 consequently increased mitochondrial ATP production and decreased glycolysis dependence. Furthermore, the action of KB2764 extends its application to extend the lifespan of Caenorhabditis elegans.
Yun Haeng Lee, Hyunwoong Lim, Gyungmin Kim, Geonhee Jang, Myeong Uk Kuk, Ji Ho Park, Jee hee Yoon, Yoo Jin Lee, Duyeol Kim, Byeonghyeon So, Minseon Kim, Hyung Wook Kwon, Youngjoo Byun, Joon Tae Park   +13 more
wiley   +1 more source

Severe Hypoxia Up-regulates Gluconeogenesis in Daphnia [PDF]

, 2022
Hypoxia is a significant low oxygen state that has complex and diverse impacts on organisms. In aerobes, various adaptive responses to hypoxia are observed that vary depending on the level of oxygen depletion and previous adaptation, hence the continued ...
Malek, Morad C
core   +1 more source

Initial Experience of Metabolic Imaging with Hyperpolarized [1-13C]pyruvate MRI in Kidney Transplant Patients [PDF]

BACKGROUND: Kidney transplant is the treatment of choice for patients with end-stage renal disease. Early detection of allograft injury is important to delay or prevent irreversible damage. PURPOSE: To investigate the feasibility of hyperpolarized (HP) [1-13C]pyruvate MRI for assessing kidney allograft metabolism. SUBJECTS: 6 participants (mean age, 45.
arxiv   +1 more source

Remodeling of the terpenoid metabolism during prolonged phosphate depletion in the marine diatom Phaeodactylum tricornutum

Journal of Phycology, EarlyView.
Abstract Terpenoids are a diverse class of naturally occurring organic compounds, which derive from five‐carbon isoprene units and play crucial roles in physiology, ecological interactions such as defense mechanisms, or adaptation to environmental stresses.
Florian Pruckner, Luca Morelli, Payal Patwari, Michele Fabris   +3 more
wiley   +1 more source