Metabolic physiology and skeletal muscle phenotypes in male and female myoglobin knockout mice

KD Ono-Moore, IM Olfert… - American Journal …, 2021 - journals.physiology.org
Myoglobin (Mb) is a regulator of O2 bioavailability in type I muscle and heart, at least when
tissue O2 levels drop. Mb also plays a role in regulating cellular nitric oxide (NO) pools …

Oxygen supply and nitric oxide scavenging by myoglobin contribute to exercise endurance and cardiac function

MW Merx, A Gödecke, U Flögel… - The FASEB journal, 2005 - Wiley Online Library
Recent studies of myoglobin (Mb) knockout (myo−/−) mice have extended our
understanding of Mb's diverse functions and have demonstrated a complex array of …

Myoglobin deficiency impairs maximal oxygen uptake and exercise performance: a lesson from Mb−/− mice

JA Zoladz, M Grandys, M Smeda, A Kij… - The Journal of …, 2024 - Wiley Online Library
Myoglobin (Mb) plays an important role at rest and during exercise as a reservoir of oxygen
and has been suggested to regulate NO• bioavailability under hypoxic/acidic conditions …

Changing the paradigm for myoglobin: a novel link between lipids and myoglobin

AE Schlater, MA De Miranda Jr… - Journal of Applied …, 2014 - journals.physiology.org
Myoglobin (Mb) is an oxygen-binding muscular hemeprotein regulated via Ca2+-signaling
pathways involving calcineurin (CN), with Mb increases attributed to hypoxia, exercise, and …

A versatile delivery vehicle for cellular oxygen and fuels, or metabolic sensor?-A review and perspective on the functions of myoglobin

KK Adepu, A Anishkin, SH Adams… - Physiological …, 2024 - journals.physiology.org
A canonical view of the primary physiological function of myoglobin (Mb) is that it is an
oxygen (O2) storage protein supporting mitochondrial oxidative phosphorylation, especially …

On the potential role of globins in brown adipose tissue: A novel conceptual model and studies in myoglobin knockout mice

ML Blackburn, UD Wankhade… - American Journal …, 2021 - journals.physiology.org
Myoglobin (Mb) regulates O2 bioavailability in muscle and heart as the partial pressure of
O2 (Po2) drops with increased tissue workload. Globin proteins also modulate cellular NO …

[HTML][HTML] Myoglobin, expressed in brown adipose tissue of mice, regulates the content and activity of mitochondria and lipid droplets

MA Aboouf, J Armbruster, M Thiersch… - … Et Biophysica Acta (BBA …, 2021 - Elsevier
The identification of novel physiological regulators that stimulate energy expenditure
through brown adipose tissue (BAT) activity in substrate catalysis is of utmost importance to …

Lack of myoglobin causes a switch in cardiac substrate selection

U Flögel, T Laussmann, A Gödecke… - Circulation …, 2005 - Am Heart Assoc
Myoglobin is an important intracellular O2 binding hemoprotein in heart and skeletal muscle.
Surprisingly, disruption of myoglobin in mice (myo−/−) resulted in no obvious phenotype and …

Disruption of myoglobin in mice induces multiple compensatory mechanisms

A Gödecke, U Flögel, K Zanger… - Proceedings of the …, 1999 - National Acad Sciences
Myoglobin may serve a variety of functions in muscular oxygen supply, such as O2 storage,
facilitated O2 diffusion, and myoglobin-mediated oxidative phosphorylation. We studied the …

Effect of fatty acid interaction on myoglobin oxygen affinity and triglyceride metabolism

T Jue, G Simond, TJ Wright, L Shih, Y Chung… - Journal of physiology …, 2016 - Springer
Recent studies have suggested myoglobin (Mb) may have other cellular functions in
addition to storing and transporting O 2. Indeed, NMR experiments have shown that the …