Cytotoxic CD4+ T cells in chronic viral infections and cancer

A Malyshkina, A Brüggemann, A Paschen… - Frontiers in …, 2023 - frontiersin.org
CD4+ T cells play an important role in immune responses against pathogens and cancer
cells. Although their main task is to provide help to other effector immune cells, a growing …

Friend retrovirus studies reveal complex interactions between intrinsic, innate and adaptive immunity

U Dittmer, K Sutter, G Kassiotis… - FEMS microbiology …, 2019 - academic.oup.com
ABSTRACT Approximately 4.4% of the human genome is comprised of endogenous
retroviral sequences, a record of an evolutionary battle between man and retroviruses. Much …

[HTML][HTML] Regulatory T cells suppress the motility of cytotoxic T cells in Friend retrovirus–infected mice

D Mittermüller, L Otto, Z Long, A Kraus, A Beer… - JCI insight, 2023 - ncbi.nlm.nih.gov
Antiviral immunity often requires CD8+ cytotoxic T lymphocytes (CTLs) that actively migrate
and search for virus-infected targets. Regulatory T cells (Tregs) have been shown to …

Immunotherapy-induced cytotoxic T follicular helper cells reduce numbers of retrovirus-infected reservoir cells in B cell follicles

A Malyshkina, W Bayer, P Podschwadt, L Otto… - PLoS …, 2023 - journals.plos.org
Antiretroviral therapy (ART) transformed HIV from a life-threatening disease to a chronic
condition. However, eliminating the virus remains an elusive therapy goal. For several …

Light sheet microscopy-assisted 3D analysis of SARS-CoV-2 infection in the respiratory tract of the ferret model

LM Zaeck, D Scheibner, J Sehl, M Müller, D Hoffmann… - Viruses, 2021 - mdpi.com
The visualization of viral pathogens in infected tissues is an invaluable tool to understand
spatial virus distribution, localization, and cell tropism in vivo. Commonly, virus-infected …

A detailed analysis of F-MuLV-and SFFV-infected cells in Friend virus-infected mice reveals the contribution of both F-MuLV-and SFFV-infected cells to the interleukin …

P Podschwadt, A Malyshkina, S Windmann, T Werner… - Retrovirology, 2022 - Springer
Background Friend virus (FV) is a complex of the Friend murine leukemia virus (F-MuLV)
and the replication-defective, pathogenic spleen focus forming virus (SFFV). In the past, we …

PD-1 knockout on cytotoxic primary murine CD8+ T cells improves their motility in retrovirus infected mice

D Mittermüller, L Otto, AL Kilian… - Frontiers in …, 2024 - frontiersin.org
Cytotoxic T lymphocyte (CTL) motility is an important feature of effective CTL responses and
is impaired when CTLs become exhausted, eg during chronic retroviral infections. A …

Reduced vacuolar ATPase protects mice from Friend virus infection–an unintended but instructive effect in Hif-2afl mice

T Schreiber, N Koll, C Padberg… - Journal of Cell …, 2024 - journals.biologists.com
During acute viral infections, innate immune cells invade inflamed tissues and face hypoxic
areas. Hypoxia-inducible factors (HIFs) adapt cellular responses towards these conditions …

Immunization with a murine cytomegalovirus based vector encoding retrovirus envelope confers strong protection from Friend retrovirus challenge infection

N Bongard, VTK Le-Trilling, A Malyshkina… - PLoS …, 2019 - journals.plos.org
Immunization vectors based on cytomegalovirus (CMV) have attracted a lot of interest in
recent years because of their high efficacy in the simian immunodeficiency virus (SIV) …

Distinctive high expression of antiretroviral APOBEC3 protein in mouse germinal center B cells

S Tsukimoto, Y Hakata, S Tsuji-Kawahara, T Enya… - Viruses, 2022 - mdpi.com
Tissue and subcellular localization and its changes upon cell activation of virus-restricting
APOBEC3 at protein levels are important to understanding physiological functions of this …