Macrophage polarization states in the tumor microenvironment

AJ Boutilier, SF Elsawa - International journal of molecular sciences, 2021 - mdpi.com
The M1/M2 macrophage paradigm plays a key role in tumor progression. M1 macrophages
are historically regarded as anti-tumor, while M2-polarized macrophages, commonly …

Role of the CCL2‐CCR2 signalling axis in cancer: mechanisms and therapeutic targeting

M Xu, Y Wang, R Xia, Y Wei, X Wei - Cell proliferation, 2021 - Wiley Online Library
The chemokine ligand CCL2 and its receptor CCR2 are implicated in the initiation and
progression of various cancers. CCL2 can activate tumour cell growth and proliferation …

Tumor-derived exosomes drive immunosuppressive macrophages in a pre-metastatic niche through glycolytic dominant metabolic reprogramming

SM Morrissey, F Zhang, C Ding, DE Montoya-Durango… - Cell metabolism, 2021 - cell.com
One of the defining characteristics of a pre-metastatic niche, a fundamental requirement for
primary tumor metastasis, is infiltration of immunosuppressive macrophages. How these …

STING agonism reprograms tumor-associated macrophages and overcomes resistance to PARP inhibition in BRCA1-deficient models of breast cancer

Q Wang, JS Bergholz, L Ding, Z Lin, SK Kabraji… - Nature …, 2022 - nature.com
PARP inhibitors (PARPi) have drastically changed the treatment landscape of advanced
ovarian tumors with BRCA mutations. However, the impact of this class of inhibitors in …

The allergy mediator histamine confers resistance to immunotherapy in cancer patients via activation of the macrophage histamine receptor H1

H Li, Y Xiao, Q Li, J Yao, X Yuan, Y Zhang, X Yin… - Cancer cell, 2022 - cell.com
Reinvigoration of antitumor immunity remains an unmet challenge. Our retrospective
analyses revealed that cancer patients who took antihistamines during immunotherapy …

Macrophage polarization: different gene signatures in M1 (LPS+) vs. classically and M2 (LPS–) vs. alternatively activated macrophages

M Orecchioni, Y Ghosheh, AB Pramod… - Frontiers in …, 2019 - frontiersin.org
Macrophages are found in tissues, body cavities, and mucosal surfaces. Most tissue
macrophages are seeded in the early embryo before definitive hematopoiesis is …

Senescent cells promote tissue NAD+ decline during ageing via the activation of CD38+ macrophages

AJ Covarrubias, A Kale, R Perrone… - Nature …, 2020 - nature.com
Declining tissue nicotinamide adenine dinucleotide (NAD) levels are linked to ageing and its
associated diseases. However, the mechanism for this decline is unclear. Here, we show …

Role of cardiac macrophages on cardiac inflammation, fibrosis and tissue repair

WP Lafuse, DJ Wozniak, MVS Rajaram - Cells, 2020 - mdpi.com
The immune system plays a pivotal role in the initiation, development and resolution of
inflammation following insult or damage to organs. The heart is a vital organ which supplies …

A single-cell transcriptomic atlas characterizes ageing tissues in the mouse

Nature, 2020 - nature.com
Ageing is characterized by a progressive loss of physiological integrity, leading to impaired
function and increased vulnerability to death. Despite rapid advances over recent years …

CD38 ecto-enzyme in immune cells is induced during aging and regulates NAD+ and NMN levels

CCS Chini, TR Peclat, GM Warner, S Kashyap… - Nature …, 2020 - nature.com
Decreased NAD+ levels have been shown to contribute to metabolic dysfunction during
aging. NAD+ decline can be partially prevented by knockout of the enzyme CD38. However …