Polyamines in cancer: integrating organismal metabolism and antitumour immunity

CE Holbert, MT Cullen, RA Casero Jr… - Nature Reviews …, 2022 - nature.com
The natural mammalian polyamines putrescine, spermidine and spermine are essential for
both normal and neoplastic cell function and replication. Dysregulation of metabolism of …

The metabolic signature of macrophage responses

A Viola, F Munari, R Sánchez-Rodríguez… - Frontiers in …, 2019 - frontiersin.org
Macrophages are a heterogeneous population of immune cells playing several and diverse
functions in homeostatic and immune responses. The broad spectrum of macrophage …

Amino assets: how amino acids support immunity

B Kelly, EL Pearce - Cell metabolism, 2020 - cell.com
Amino acids are fundamental building blocks supporting life. Their role in protein synthesis
is well defined, but they contribute to a host of other intracellular metabolic pathways …

Polyamine metabolism is a central determinant of helper T cell lineage fidelity

DJ Puleston, F Baixauli, DE Sanin, J Edwards-Hicks… - Cell, 2021 - cell.com
Polyamine synthesis represents one of the most profound metabolic changes during T cell
activation, but the biological implications of this are scarcely known. Here, we show that …

Ornithine aminotransferase supports polyamine synthesis in pancreatic cancer

MS Lee, C Dennis, I Naqvi, L Dailey, A Lorzadeh, G Ye… - Nature, 2023 - nature.com
There is a need to develop effective therapies for pancreatic ductal adenocarcinoma (PDA),
a highly lethal malignancy with increasing incidence and poor prognosis. Although targeting …

Polyamine metabolism and cancer: treatments, challenges and opportunities

RA Casero Jr, T Murray Stewart, AE Pegg - Nature Reviews Cancer, 2018 - nature.com
Advances in our understanding of the metabolism and molecular functions of polyamines
and their alterations in cancer have led to resurgence in the interest of targeting polyamine …

Macrophage metabolism of apoptotic cell-derived arginine promotes continual efferocytosis and resolution of injury

A Yurdagul, M Subramanian, X Wang, SB Crown… - Cell metabolism, 2020 - cell.com
Continual efferocytic clearance of apoptotic cells (ACs) by macrophages prevents necrosis
and promotes injury resolution. How continual efferocytosis is promoted is not clear. Here …

Symbiotic polyamine metabolism regulates epithelial proliferation and macrophage differentiation in the colon

A Nakamura, S Kurihara, D Takahashi… - Nature …, 2021 - nature.com
Intestinal microbiota-derived metabolites have biological importance for the host.
Polyamines, such as putrescine and spermidine, are produced by the intestinal microbiota …

Epigenetic regulation of the innate immune response to infection

Q Zhang, X Cao - Nature Reviews Immunology, 2019 - nature.com
Innate immune cells have complex signalling pathways for sensing pathogens and initiating
innate immune responses against infection. These pathways are tightly regulated at different …

Salmonella persisters undermine host immune defenses during antibiotic treatment

DAC Stapels, PWS Hill, AJ Westermann, RA Fisher… - Science, 2018 - science.org
Many bacterial infections are hard to treat and tend to relapse, possibly due to the presence
of antibiotic-tolerant persisters. In vitro, persister cells appear to be dormant. After uptake of …