M-Sec promotes the production of infectious HIV-1 virus through the exocyst complex in macrophages. - Mahmoud, Reem M.; Hiyoshi, Masateru; Abdelnaser, Randa A.; Monde, Kazuaki; Monde, Nami; Koma, Takaaki; Mizuno, Hidenobu; Habash, Sara A.; Takahashi, Naofumi; Maeda, Yosuke; Ono, Akira; Suzu, Shinya (PLoS Pathogens, 2026)