Results 21 to 30 of about 264,171 (312)

Assessing the effects of mitofusin 2 deficiency in the adult heart using 3D electron tomography [PDF]

open access: yes, 2017
The effects of mitofusin 2 (MFN2) deficiency, on mitochondrial morphology and the mitochondria-junctional sarcoplasmic reticulum (jSR) complex in the adult heart, have been previously investigated using 2D electron microscopy, an approach which is unable
Cabrera-Fuentes, Hector   +12 more
core   +2 more sources

The Mitochondrial Ca(2+) Uniporter: Structure, Function, and Pharmacology. [PDF]

open access: yes, 2017
Mitochondrial Ca(2+) uptake is crucial for an array of cellular functions while an imbalance can elicit cell death. In this chapter, we briefly reviewed the various modes of mitochondrial Ca(2+) uptake and our current understanding of mitochondrial Ca(2+)
A Quintana   +167 more
core   +2 more sources

Mitochondrial dysfunction: roles in skeletal muscle atrophy

open access: yesJournal of Translational Medicine, 2023
Mitochondria play important roles in maintaining cellular homeostasis and skeletal muscle health, and damage to mitochondria can lead to a series of pathophysiological changes.
Xin Chen   +11 more
doaj   +1 more source

Smooth Muscle Cells Move With Mitochondria [PDF]

open access: yesArteriosclerosis, Thrombosis, and Vascular Biology, 2018
Vascular smooth muscle cells (SMCs) are essential components in blood vessel walls and responsible for maintenance of blood vessel structure and function. Normally, SMCs reside in medial layers of blood vessels and do not exhibit migration potential. Under pathological conditions, however, medial SMCs migrate to intimal space where they proliferate and
Ning, Shi, Shi-You, Chen
openaire   +2 more sources

Impaired mitochondrial dynamics and bioenergetics in diabetic skeletal muscle. [PDF]

open access: yesPLoS ONE, 2014
In most cells, mitochondria are highly dynamic organelles that constantly fuse, divide and move. These processes allow mitochondria to redistribute in a cell and exchange contents among the mitochondrial population, and subsequently repair damaged ...
Ruohai Liu   +6 more
doaj   +1 more source

Nitric oxide regulates skeletal muscle fatigue, fiber type, microtubule organization, and mitochondrial ATP synthesis efficiency through cGMP-dependent mechanisms [PDF]

open access: yes, 2016
Aim: Skeletal muscle nitric oxide–cyclic guanosine monophosphate (NO-cGMP) pathways are impaired in Duchenne and Becker muscular dystrophy partly because of reduced nNOSμ and soluble guanylate cyclase (GC) activity.
Balke, Jordan E   +8 more
core   +1 more source

Characterization of Mitochondrial Content and Respiratory Capacities of Broiler Chicken Skeletal Muscles with Different Muscle Fiber Compositions

open access: yesThe Journal of Poultry Science, 2018
Mitochondrial content is regarded a useful feature to distinguish muscle-fiber types in terms of energy metabolism in skeletal muscles. Increasing evidence suggests that specific mitochondrial bioenergetic phenotypes exist in metabolically different ...
Yuki Hakamata   +4 more
doaj   +1 more source

Flux control of cytochrome c oxidase in human skeletal muscle [PDF]

open access: yes, 2000
In the present work, by titrating cytochrome c oxidase (COX) with the specific inhibitor KCN, the flux control coefficient and the metabolic reserve capacity of COX have been determined in human saponin-permeabilized muscle fibers. In the presence of the
Attardi, Giuseppe   +5 more
core   +1 more source

Mitochondrial dynamics–fusion, fission, movement, and mitophagy–in neurodegenerative diseases [PDF]

open access: yes, 2009
Neurons are metabolically active cells with high energy demands at locations distant from the cell body. As a result, these cells are particularly dependent on mitochondrial function, as reflected by the observation that diseases of mitochondrial ...
Alexander   +42 more
core   +3 more sources

A histochemical study of the red and white muscle fibers Part III. Activity of the diphosphopyridine nucleotide diaphorase and triphosphopyridine nucleotide diaphorase in muscle fibers [PDF]

open access: yes, 1958
From the histochemical study of DPN and TPN diaphorase on the striated muscles of the cats, the following results were obtained. 1. M. gastrocnemius, which belongs to the white muscle by naked eye, consists of three types of muscle fibers distinguished ...
Ogata, Takuro
core   +1 more source

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