The worst things in life are free: the role of free heme in sickle cell disease

OT Gbotosho, MG Kapetanaki, GJ Kato - Frontiers in immunology, 2021 - frontiersin.org
Hemolysis is a pathological feature of several diseases of diverse etiology such as
hereditary anemias, malaria, and sepsis. A major complication of hemolysis involves the …

Heme as a target for therapeutic interventions

S Immenschuh, V Vijayan, S Janciauskiene… - Frontiers in …, 2017 - frontiersin.org
Heme is a complex of iron and the tetrapyrrole protoporphyrin IX with essential functions in
aerobic organisms. Heme is the prosthetic group of hemoproteins such as hemoglobin and …

Vasculo‐toxic and pro‐inflammatory action of unbound haemoglobin, haem and iron in transfusion‐dependent patients with haemolytic anaemias

F Vinchi, R Sparla, ST Passos… - British journal of …, 2021 - Wiley Online Library
Increasing evidence suggests that free haem and iron exert vasculo‐toxic and pro‐
inflammatory effects by activating endothelial and immune cells. In the present retrospective …

Double-edged functions of hemopexin in hematological related diseases: from basic mechanisms to clinical application

Y Li, R Chen, C Wang, J Deng, S Luo - Frontiers in Immunology, 2023 - frontiersin.org
It is now understood that hemolysis and the subsequent release of heme into circulation play
a critical role in driving the progression of various diseases. Hemopexin (HPX), a heme …

Human radical scavenger α1-microglobulin protects against hemolysis in vitro and α1-microglobulin knockout mice exhibit a macrocytic anemia phenotype

A Kristiansson, J Bergwik, AG Alattar, J Flygare… - Free Radical Biology …, 2021 - Elsevier
During red blood cell (RBC) lysis hemoglobin and heme leak out of the cells and cause
damage to the endothelium and nearby tissue. Protective mechanisms exist; however, these …

Hemopexin counteracts systolic dysfunction induced by heme-driven oxidative stress

G Ingoglia, CM Sag, N Rex, L De Franceschi… - Free Radical Biology …, 2017 - Elsevier
Heart failure is a leading cause of morbidity and mortality in patients affected by different
disorders associated to intravascular hemolysis. The leading factor is the presence of …

Heme induces endoplasmic reticulum stress (HIER stress) in human aortic smooth muscle cells

T Gáll, D Pethő, A Nagy, Z Hendrik, G Méhes… - Frontiers in …, 2018 - frontiersin.org
Accumulation of damaged or misfolded proteins resulted from oxidative protein modification
induces endoplasmic reticulum (ER) stress by activating the pathways of unfolded protein …

Mitochondria regulate cardiac contraction through ATP-dependent and independent mechanisms

K Wang, Y Xu, Q Sun, J Long, J Liu… - Free Radical …, 2018 - Taylor & Francis
The multipurpose organelle mitochondria play an essential role (s) in controlling cardiac
muscle contraction. Mitochondria, not only function as the powerhouses and the energy …

Heme in cardiovascular diseases: a ubiquitous dangerous molecule worthy of vigilance

Y Guo, H Zhao, Z Lin, T Ye, D Xu… - Frontiers in Cell and …, 2022 - frontiersin.org
Heme, the protoporphyrin IX iron complex is widely present in the human body and it is
involved in oxygen storage, electron transfer, and enzymatic reactions. However, free heme …

[HTML][HTML] 25-Hydroxycholecalciferol Improves Cardiac Metabolic Adaption, Mitochondrial Biogenetics, and Redox Status to Ameliorate Pathological Remodeling and …

SK Chiang, MY Sin, JW Lin, M Siregar, G Valdez… - …, 2024 - pmc.ncbi.nlm.nih.gov
Broiler breeder hens allowed ad libitum (Ad) feed intake developed obesity and cardiac
pathogenesis and thereby were susceptible to sudden death. A supplement of 69 µg 25 …