User profiles for D. Hambardzumyan

Dolores Hambardzumyan

Mount Sinai
Verified email at mssm.edu
Cited by 13423

The role of microglia and macrophages in glioma maintenance and progression

D Hambardzumyan, DH Gutmann… - Nature neuroscience, 2016 - nature.com
There is a growing recognition that gliomas are complex tumors composed of neoplastic and
non-neoplastic cells, which each individually contribute to cancer formation, progression …

Glioblastoma: defining tumor niches

D Hambardzumyan, G Bergers - Trends in cancer, 2015 - cell.com
Glioblastomas (glioblastoma multiforme, GBM) are one of the most recalcitrant brain tumors
because of their aggressive invasive growth and resistance to therapy. They are highly …

[HTML][HTML] Immune microenvironment in glioblastoma subtypes

Z Chen, D Hambardzumyan - Frontiers in immunology, 2018 - frontiersin.org
Glioblastomas (GBMs) are the most common and aggressive primary brain tumors. Due to
their malignant growth and invasion into the brain parenchyma coupled with resistance to …

[PDF][PDF] PTEN/PI3K/Akt pathway regulates the side population phenotype and ABCG2 activity in glioma tumor stem-like cells

AM Bleau, D Hambardzumyan, T Ozawa… - Cell stem cell, 2009 - cell.com
In normal brain, the side population (SP) phenotype is generated by ABC transporter activity
and identifies stem cell and endothelial cell subpopulations by dye exclusion. By drug efflux…

Cellular and molecular identity of tumor-associated macrophages in glioblastoma

…, S Seby, SA Wolf, DH Gutmann, D Hambardzumyan - Cancer research, 2017 - AACR
… -associated microglia compared to naïve microglia (D), TAMs compared to naïve monocytes
(E… This work was also supported by NCI grants U01CA160882 (D. Hambardzumyan and DH …

The PTEN-regulating microRNA miR-26a is amplified in high-grade glioma and facilitates gliomagenesis in vivo

JT Huse, C Brennan, D Hambardzumyan… - Genes & …, 2009 - genesdev.cshlp.org
… Finally, we demonstrate that miR-26a-mediated PTEN repression in a murine glioma model
both enhances de novo tumor formation and precludes loss of heterozygosity and the PTEN …

[HTML][HTML] Glioblastoma subclasses can be defined by activity among signal transduction pathways and associated genomic alterations

C Brennan, H Momota, D Hambardzumyan, T Ozawa… - PloS one, 2009 - journals.plos.org
Background Glioblastoma multiforme (GBM) is an umbrella designation that includes a
heterogeneous group of primary brain tumors. Several classification strategies of GBM have …

[PDF][PDF] Perivascular nitric oxide activates notch signaling and promotes stem-like character in PDGF-induced glioma cells

…, AM Bleau, CW Brennan, D Hambardzumyan… - Cell stem cell, 2010 - cell.com
eNOS expression is elevated in human glioblastomas and correlated with increased tumor
growth and aggressive character. We investigated the potential role of nitric oxide (NO) …

PI3K pathway regulates survival of cancer stem cells residing in the perivascular niche following radiation in medulloblastoma in vivo

D Hambardzumyan, OJ Becher… - Genes & …, 2008 - genesdev.cshlp.org
Medulloblastomas are brain tumors that arise in the cerebellum of children and contain stem
cells in a perivascular niche thought to give rise to recurrence following radiation. We used …

[PDF][PDF] Ly6Chi monocytes provide a link between antibiotic-induced changes in gut microbiota and adult hippocampal neurogenesis

…, A Fischer, M Alutis, T French, D Hambardzumyan… - Cell reports, 2016 - cell.com
… (B–D) Bar graphs display the results of flow cytometric analysis of (B) Ly6Chi monocytes,
(C) total myeloid cells, and (D) microglia in brain homogenates of mice from the respective …