FcγR-mediated Trogocytosis 2.0: revisiting history gives rise to a unifying hypothesis

MA Lindorfer, RP Taylor - Antibodies, 2022 - mdpi.com
There is increasing interest in the clinical implications and immunology of trogocytosis, a
process in which the receptors on acceptor cells remove and internalize cognate ligands …

Fcγ-receptor–mediated trogocytosis impacts mAb-based therapies: historical precedence and recent developments

RP Taylor, MA Lindorfer - Blood, The Journal of the American …, 2015 - ashpublications.org
A specialized form of trogocytosis occurs when Fcγ receptors on acceptor cells take up and
internalize donor cell-associated immune complexes composed of specific monoclonal …

Both activating and inhibitory Fc gamma receptors mediate rituximab-induced trogocytosis of CD20 in mice

P Boross, JHM Jansen, A Pastula, CE van der Poel… - Immunology letters, 2012 - Elsevier
Antigenic modulation by trogocytosis during anti-CD20 mAb treatment with rituximab (RTX)
leads to loss of CD20 and therefore can compromise therapy. During trogocytosis, effector …

The direction of plasma membrane exchange between lymphocytes and accessory cells by trogocytosis is influenced by the nature of the accessory cell

S Daubeuf, MA Lindorfer, RP Taylor, E Joly… - The journal of …, 2010 - journals.aai.org
Exchange of plasma membrane fragments, including cell-surface proteins and lipids, in
conjugates formed between lymphocytes and their cellular partners is a field of intense …

Ligand binding but undetected functional response of FcR after their capture by T cells via trogocytosis

D Hudrisier, B Clemenceau, S Balor… - The Journal of …, 2009 - journals.aai.org
Intercellular transfer of cell surface proteins by trogocytosis is common and could affect T cell
responses. Yet, the role of trogocytosis in T cell function is still elusive, and it is unknown …

Possible Implication of Fcγ Receptor‐Mediated Trogocytosis in Susceptibility to Systemic Autoimmune Disease

S Masuda, S Iwasaki, U Tomaru, T Baba… - Journal of …, 2013 - Wiley Online Library
Leukocytes can “gnaw away” the plasma membrane of other cells. This phenomenon, called
trogocytosis, occurs subsequent to cell‐to‐cell adhesion. Currently, two mechanisms of …

Macrophage-mediated trogocytosis leads to death of antibody-opsonized tumor cells

R Velmurugan, DK Challa, S Ram, RJ Ober… - Molecular cancer …, 2016 - AACR
Understanding the complex behavior of effector cells such as monocytes or macrophages in
regulating cancerous growth is of central importance for cancer immunotherapy. Earlier …

Capture of plasma membrane fragments from target cells by trogocytosis requires signaling in T cells but not in B cells

A Aucher, E Magdeleine, E Joly… - Blood, The Journal of …, 2008 - ashpublications.org
Upon recognition of their respective cellular partners, T and B cells acquire their antigens by
a process of membrane capture called trogocytosis. Here, we report that various inhibitors of …

Binding of rituximab, trastuzumab, cetuximab, or mAb T101 to cancer cells promotes trogocytosis mediated by THP-1 cells and monocytes

PV Beum, DA Mack, AW Pawluczkowycz… - The Journal of …, 2008 - journals.aai.org
More than 20 years ago clinical investigations in the immunotherapy of cancer revealed that
infusion of certain immunotherapeutic mAbs directed to tumor cells induced loss of targeted …

[HTML][HTML] A distinct subset of FcγRI-expressing Th1 cells exert antibody-mediated cytotoxic activity

D Rasoulouniriana, N Santana-Magal… - The Journal of …, 2019 - Am Soc Clin Investig
While a high frequency of Th1 cells in tumors is associated with improved cancer prognosis,
this benefit has been attributed mainly to support of cytotoxic activity of CD8+ T cells. By …