Results 11 to 20 of about 2,261,504 (355)

Identification of Trenbolone Metabolites Using Hydrogen Isotope Ratio Mass Spectrometry and Liquid Chromatography/High Accuracy/High Resolution Mass Spectrometry for Doping Control Analysis

open access: yesFrontiers in Chemistry, 2020
Trenbolone is a synthetic anabolic-androgenic steroid, which has been misused for performance enhancement in sports. The detection of trenbolone doping in routine sports drug testing programs is complex as methods utilizing gas chromatography/mass ...
Marlen Putz, Thomas Piper, Mario Thevis
doaj   +1 more source

A widely distributed metalloenzyme class enables gut microbial metabolism of host- and diet-derived catechols. [PDF]

open access: yes, 2020
Catechol dehydroxylation is a central chemical transformation in the gut microbial metabolism of plant- and host-derived small molecules. However, the molecular basis for this transformation and its distribution among gut microorganisms are poorly ...
Balskus, Emily P   +8 more
core   +1 more source

Odorant Metabolism in Humans

open access: yesAngewandte Chemie International Edition, 2022
AbstractOdorants are relatively small molecules which are easily taken up and distributed in the human body. Despite their relevance in everyday life, however, only a limited amount of evidence about their metabolism, pathways, and bioactivities in the human body exists.
Nicole Kornbausch   +4 more
openaire   +3 more sources

Variable responses of human and non-human primate gut microbiomes to a Western diet [PDF]

open access: yes, 2015
BACKGROUND: The human gut microbiota interacts closely with human diet and physiology. To better understand the mechanisms behind this relationship, gut microbiome research relies on complementing human studies with manipulations of animal models ...
Amato, Katherine R.   +13 more
core   +5 more sources

PGC-1s shape epidermal physiology by modulating keratinocyte proliferation and terminal differentiation

open access: yesiScience, 2023
Summary: Skin plays central roles in systemic physiology, and it undergoes significant functional changes during aging. Members of the peroxisome proliferator-activated receptor-gamma coactivator (PGC-1) family (PGC-1s) are key regulators of the biology ...
Simon-Pierre Gravel   +12 more
doaj   +1 more source

MiR-203 is an anti-obese microRNA by targeting apical sodium-dependent bile acid transporter

open access: yesiScience, 2022
Summary: Obesity is characterized by excessive fat deposition within the body. Bile acids (BA) are important regulators for controlling the absorption of lipid.
Xin Liu   +17 more
doaj   +1 more source

Endocrine Disrupting Chemicals: An Occult Mediator of Metabolic Disease

open access: yesFrontiers in Endocrinology, 2019
Endocrine disrupting chemicals (EDCs), a heterogeneous group of exogenous chemicals that can interfere with any aspect of endogenous hormones, represent an emerging global threat for human metabolism.
Olga Papalou   +3 more
doaj   +1 more source

Personalized whole‐body models integrate metabolism, physiology, and the gut microbiome

open access: yesMolecular Systems Biology, 2020
Comprehensive molecular‐level models of human metabolism have been generated on a cellular level. However, models of whole‐body metabolism have not been established as they require new methodological approaches to integrate molecular and physiological ...
Ines Thiele   +6 more
doaj   +1 more source

Morphine Metabolism in Human Skin Microsomes [PDF]

open access: yes, 2012
For patients with severe skin wounds, topically applied morphine is an option to induce efficient analgesia due to the presence of opioid receptors in the skin.
Heilmann, S.   +2 more
core   +2 more sources

Glycogen metabolism in humans

open access: yesBBA Clinical, 2016
In the human body, glycogen is a branched polymer of glucose stored mainly in the liver and the skeletal muscle that supplies glucose to the blood stream during fasting periods and to the muscle cells during muscle contraction. Glycogen has been identified in other tissues such as brain, heart, kidney, adipose tissue, and erythrocytes, but glycogen ...
Adeva-Andany, María M.   +4 more
openaire   +2 more sources

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