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Gabriel Morin, Caroline Degrugillier-Chopinet, Marie Vincent, Antoine Fraissenon, Hélène Aubert, Célia Chapelle, Clément Hoguin, François Dubos, Benoit Catteau, Florence Petit, Aurélie Mezel, Olivia Domanski, Guillaume Herbreteau, Marie Alesandrini, Nathalie Boddaert, Nathalie Boutry, Christine Broissand, Tianxiang Kevin Han, Fabrice Branle, Sabine Sarnacki, Thomas Blanc, Laurent Guibaud, Guillaume Canaud
Here, the authors report the first description of two infants with PIK3CA-related overgrowth spectrum treated by alpelisib. Patients were monitored with pharmacokinetics. Alpelisib was associated with clinical, biological, and radiological improvements.
Technical Advances and Resources
Philippe Nicolas, Jocelyn Ollier, Daiki Mori, Guillaume Voisinne, Javier Celis-Gutierrez, Claude Gregoire, Jeanne Perroteau, Régine Vivien, Mylène Camus, Odile Burlet-Schiltz, Anne Gonzalez de Peredo, Béatrice Clémenceau, Romain Roncagalli, Henri Vié, Bernard Malissen
Nicolas et al. exploited traceable gene tagging in primary human T cells to establish at the systems level the composition and dynamics of TCR-induced signalosomes. It provides a decision-support tool accelerating definition of the mechanism of action of drugs targeting T cells.
Technical Advances and Resources
Yi Cai, Yejun Wang, Chenyan Shi, Youchao Dai, Fuxiang Li, Yuzhong Xu, Peize Zhang, Fanhui Kong, Guofang Deng, Zhihua Wen, Qi Zhou, Boxi Chris Kang, Amit Singhal, Qianting Yang, Carl G. Feng, Xinchun Chen
Cai et al. describe their finding of cellular diversity in tuberculous pleural effusion (TPE). They establish a link between clonal expansion and lineage plasticity of T cells and reveal the involvement of granzyme K–expressing CD8 T cells in TPE pathogenesis.
Sinem Karaman, Satu Paavonsalo, Krista Heinolainen, Madeleine H. Lackman, Amanda Ranta, Karthik A. Hemanthakumar, Yoshiaki Kubota, Kari Alitalo
Using VEGF receptor deletions in mice, the authors show that VEGFR1 and VEGFR3 can support vessel maintenance in the absence of VEGFR2 in an organ-specific manner in postnatal and adult mice.
Gaoyu Liu, Yingying Chen, Ying Wang, Xiaohui Deng, Qiang Xiao, Lijuan Zhang, Haixu Xu, Xu Han, Aihua Lei, Juan He, Xing Li, Yingjiao Cao, Pan Zhou, Chunhui He, Peiqiong Wu, Wenhui Jiang, Meizheng Tan, Chun Chen, Quan Yang, Liwei Lu, Kai Deng, Zhi Yao, Jie Zhou
Liu et al. demonstrate the regulation of ILC2 by Ang II–AT1 signaling during the allergen challenge. Bone marrow chimera, deletion or pharmacological inhibition of AT1a, and ILC2 transfer into NCG mice collectively indicate that targeting lung RAS alleviates airway inflammation.
Dimitra Kerdidani, Emmanouil Aerakis, Kleio-Maria Verrou, Ilias Angelidis, Katerina Douka, Maria-Anna Maniou, Petros Stamoulis, Katerina Goudevenou, Alejandro Prados, Christos Tzaferis, Vasileios Ntafis, Ioannis Vamvakaris, Evangelos Kaniaris, Konstantinos Vachlas, Evangelos Sepsas, Anastasios Koutsopoulos, Konstantinos Potaris, Maria Tsoumakidou
Kerdidani et al. show that immunological hot spots in lung tumors are sustained by fibroblasts. Lung fibroblasts present MHCII cancer antigens locally and at the same time prevent CD4 T cells from apoptosis by activating the complement receptor C1qbp.
Ewelina Krzywinska, Michal Sobecki, Shunmugam Nagarajan, Julian Zacharjasz, Murtaza M. Tambuwala, Abigaelle Pelletier, Eoin Cummins, Dagmar Gotthardt, Joachim Fandrey, Yann M. Kerdiles, Carole Peyssonnaux, Cormac T. Taylor, Veronika Sexl, Christian Stockmann
Krzywinska et al. have studied the impact of the transcription factor HIF-1α on the phenotype of intestinal NKp46+ innate lymphoid cells and how it affects gut homeostasis.

Related Articles from Rockefeller University Press

Issue Cover
Current Issue
Volume 219,
Issue 1,
January 3, 2022
Reviews & Opinions
Hannah Dada, Michael L. Dustin
Shakiba et al. show that TCR signal strength determines T cell differentiation and function in tumors.
Ilka Wahl, Hedda Wardemann
Antibodies against Plasmodium falciparum circumsporozoite protein (PfCSP) can protect from malaria. However, the efficacy of anti-PfCSP vaccine responses is limited. This review summarizes our molecular and cellular understanding of humoral anti-PfCSP immune responses and discusses implications for vaccine design.
Christin Herrmann, Ken Cadwell
Fay et al. investigate viral infection dynamics by cohousing dirty pet store mice and rats with clean laboratory mice.

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