User profiles for "author:Sophie M Poznanski"

Sophie M. Poznanski

PhD Candidate, McMaster Immunology Research Centre, McMaster University
Verified email at mcmaster.ca
Cited by 865

[HTML][HTML] What defines NK cell functional fate: phenotype or metabolism?

SM Poznanski, AA Ashkar - Frontiers in immunology, 2019 - frontiersin.org
NK cells are capable of an array of functions that range widely from their classic anti-tumor
and anti-viral cytotoxic effector functions, to their critical regulatory roles in controlling …

[HTML][HTML] Aging and interferons: impacts on inflammation and viral disease outcomes

E Feng, E Balint, SM Poznanski, AA Ashkar, M Loeb - Cells, 2021 - mdpi.com
As highlighted by the COVID-19 global pandemic, elderly individuals comprise the majority
of cases of severe viral infection outcomes and death. A combined inability to control viral …

[HTML][HTML] Immunometabolism of T cells and NK cells: metabolic control of effector and regulatory function

SM Poznanski, NG Barra, AA Ashkar… - Inflammation research, 2018 - Springer
Metabolic flux can dictate cell fate, including immune cell effector and regulatory function.
The metabolic regulation of cell function is well characterized with respect to effector …

[PDF][PDF] Metabolic flexibility determines human NK cell functional fate in the tumor microenvironment

SM Poznanski, K Singh, TM Ritchie, JA Aguiar, IY Fan… - Cell Metabolism, 2021 - cell.com
NK cells are central to anti-tumor immunity and recently showed efficacy for treating
hematologic malignancies. However, their dysfunction in the hostile tumor microenvironment …

IL-18/IL-15/IL-12 synergy induces elevated and prolonged IFN-γ production by ex vivo expanded NK cells which is not due to enhanced STAT4 activation

E Lusty, SM Poznanski, K Kwofie, TS Mandur… - Molecular …, 2017 - Elsevier
The synergistic effect of IL-18/IL-15/IL-12 stimulation potently activates NK cells, inducing
high levels of IFN-γ production. As a result of this potent stimulatory effect, NK cell pre …

[PDF][PDF] Expanded human NK cells armed with CAR uncouple potent anti-tumor activity from off-tumor toxicity against solid tumors

AL Portillo, R Hogg, SM Poznanski, EA Rojas… - Iscience, 2021 - cell.com
Despite the remarkable success of chimeric antigen receptor (CAR)-T cells against
hematologic malignancies, severe off-tumor effects have constrained their use against solid …

Expanded CD56superbrightCD16+ NK Cells from Ovarian Cancer Patients Are Cytotoxic against Autologous Tumor in a Patient-Derived Xenograft Murine Model

SM Poznanski, T Nham, MV Chew, AJ Lee… - Cancer immunology …, 2018 - AACR
Natural killer (NK) cells are useful for cancer immunotherapy and have proven clinically
effective against hematologic malignancies. However, immunotherapies for poor prognosis …

[HTML][HTML] Expanded human NK cells from lung cancer patients sensitize patients' PDL1− negative tumors to PD1-blockade therapy

SM Poznanski, TM Ritchie, IY Fan… - … for immunotherapy of …, 2021 - ncbi.nlm.nih.gov
Lung cancer remains the leading cause of cancer death worldwide despite the significant
progress made by immune checkpoint inhibitors, including programmed death receptor-1 …

Ex vivo-expanded NK cells from blood and ascites of ovarian cancer patients are cytotoxic against autologous primary ovarian cancer cells

T Nham, SM Poznanski, IY Fan, MM Shenouda… - Cancer Immunology …, 2018 - Springer
Ovarian cancer (OC) is the leading cause of gynecological cancer-related death in North
America. Most ovarian cancer patients (OCPs) experience disease recurrence after first-line …

Ex vivo-expanded natural killer cells derived from long-term cryopreserved cord blood are cytotoxic against primary breast cancer cells

T Nham, SM Poznanski, IY Fan, F Vahedi… - Journal of …, 2018 - journals.lww.com
With over 600,000 units of umbilical cord blood (CB) stored on a global scale, it is important
to elucidate the therapeutic abilities of this cryopreserved reservoir. In the advancing field of …