RESEARCH BACKGROUND
Protein structure and function
2001 · Neuron
Structure of the RCK Domain from the E. coli K+ Channel and Demonstration of Its Presence in the Human BK Channel
Youxing Jiang; Alexander Pico; Martine Cadene; Brian T. Chait; Roderick MacKinnon.
Neuron 29(3): 593-601 (2001).
X-ray crystallography, structure-based sequence alignment, and mutational analysis connect a bacterial potassium-channel regulatory domain to the gating machinery of the human BK channel.
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2010 · Science
Structure of the Human BK Channel Ca 2+ -Activation Apparatus at 3.0 Å Resolution
Peng Yuan; Manuel D. Leonetti; Alexander R. Pico; Yichun Hsiung; Roderick MacKinnon.
Science 329(5988): 182-186 (2010).
A structural study of the human BK channel’s calcium-activation apparatus. The work describes a gating ring and calcium-binding sites, linking molecular architecture to channel regulation.
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RESEARCH BACKGROUND
Disease research
Collaborative work spanning brain cancer, HIV persistence, cardiovascular and kidney disease, COVID-19, and Alzheimer’s disease.
2015 · New England Journal of Medicine
Glioma Groups Based on 1p/19q, IDH, and TERT Promoter Mutations in Tumors
Jeanette E. Eckel-Passow et al., including Alexander R. Pico.
Full author list
Jeanette E. Eckel-Passow; Daniel H. Lachance; Annette M. Molinaro; Kyle M. Walsh; Paul A. Decker; Hugues Sicotte; Melike Pekmezci; Terri Rice; Matt L. Kosel; Ivan V. Smirnov; Gobinda Sarkar; Alissa A. Caron; Thomas M. Kollmeyer; Corinne E. Praska; Anisha R. Chada; Chandralekha Halder; Helen M. Hansen; Lucie S. McCoy; Paige M. Bracci; Roxanne Marshall; Shichun Zheng; Gerald F. Reis; Alexander R. Pico; Brian P. O’Neill; Jan C. Buckner; Caterina Giannini; Jason T. Huse; Arie Perry; Tarik Tihan; Mitchell S. Berger; Susan M. Chang; Michael D. Prados; Joseph Wiemels; John K. Wiencke; Margaret R. Wrensch; Robert B. Jenkins.
New England Journal of Medicine 372(26): 2499-2508 (2015).
Groups gliomas using IDH mutations, TERT promoter mutations, and 1p/19q codeletion, then examines their relationships with clinical features, survival, and inherited variation. An example of connecting molecular classification with the diversity of brain tumors.
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2020 · Journal of Virology
Shared Mechanisms Govern HIV Transcriptional Suppression in Circulating CD103+ and Gut CD4+ T Cells
Steven A. Yukl et al., including Alexander R. Pico.
Full author list
Steven A. Yukl; Shahzada Khan; Tsui-Hua Chen; Martin Trapecar; Frank Wu; Guorui Xie; Sushama Telwatte; Daniel Fulop; Alexander R. Pico; Gregory M. Laird; Kristen D. Ritter; Norman G. Jones; Chuanyi M. Lu; Robert F. Siliciano; Nadia R. Roan; Jeffrey M. Milush; Ma Somsouk; Steven G. Deeks; Peter W. Hunt; Shomyseh Sanjabi.
Journal of Virology 95(2): e01331-20 (2020).
Compares viral transcription and host-cell gene expression in blood and gut T cells to investigate HIV latency. The work links tissue-associated immune-cell states with mechanisms that may help maintain persistent infection.
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2024 · European Heart Journal
Incident heart failure in chronic kidney disease: proteomics informs biology and risk stratification
Ruth F Dubin et al., including Alexander R. Pico.
Full author list
Ruth F Dubin; Rajat Deo; Yue Ren; Jianqiao Wang; Alexander R Pico; Josyf C Mychaleckyj; Julia Kozlitina; Victoria Arthur; Hongzhe Lee; Amil Shah; Harold Feldman; Nisha Bansal; Leila Zelnick; Panduranga Rao; Nidhi Sukul; Dominic S Raj; Rupal Mehta; Sylvia E Rosas; Zeenat Bhat; Matthew R Weir; Jiang He; Jing Chen; Mayank Kansal; Paul L Kimmel; Vasan S Ramachandran; Sushrut S Waikar; Mark R Segal; Peter Ganz; CRIC Study Investigators; Lawrence J Appel; Debbie L Cohen; James P Lash; Robert G Nelson; Vallabh O Shah; Mark L Unruh.
European Heart Journal 45(30): 2752-2767 (2024).
Uses large-scale circulating-protein measurements to investigate heart-failure risk in people with chronic kidney disease. Connects proteomics, biological pathways, and risk models across cardiovascular and renal disease.
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2024 · Nature
Fibrin drives thromboinflammation and neuropathology in COVID-19
Jae Kyu Ryu et al., including Alexander R. Pico.
Full author list
Jae Kyu Ryu; Zhaoqi Yan; Mauricio Montano; Elif G. Sozmen; Karuna Dixit; Rahul K. Suryawanshi; Yusuke Matsui; Ekram Helmy; Prashant Kaushal; Sara K. Makanani; Thomas J. Deerinck; Anke Meyer-Franke; Pamela E. Rios Coronado; Troy N. Trevino; Min-Gyoung Shin; Reshmi Tognatta; Yixin Liu; Renaud Schuck; Lucas Le; Hisao Miyajima; Andrew S. Mendiola; Nikhita Arun; Brandon Guo; Taha Y. Taha; Ayushi Agrawal; Eilidh MacDonald; Oliver Aries; Aaron Yan; Olivia Weaver; Mark A. Petersen; Rosa Meza Acevedo; Maria del Pilar S. Alzamora; Reuben Thomas; Michela Traglia; Valentina L. Kouznetsova; Igor F. Tsigelny; Alexander R. Pico; Kristy Red-Horse; Mark H. Ellisman; Nevan J. Krogan; Mehdi Bouhaddou; Melanie Ott; Warner C. Greene; Katerina Akassoglou.
Nature 633(8031): 905-913 (2024).
Investigates how interactions between fibrin and the SARS-CoV-2 spike protein contribute to inflammation and neuronal injury. Connects blood clotting, immune activation, and neuropathology; experimental antibody findings are not presented as proven treatment benefits in people.
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2024 · Cell Reports
Machine learning reveals prominent spontaneous behavioral changes and treatment efficacy in humanized and transgenic Alzheimer's disease models
Stephanie R. Miller et al., including Alexander R. Pico.
Full author list
Stephanie R. Miller; Kevin Luxem; Kelli Lauderdale; Pranav Nambiar; Patrick S. Honma; Katie K. Ly; Shreya Bangera; Mary Bullock; Jia Shin; Nick Kaliss; Yuechen Qiu; Catherine Cai; Kevin Shen; K. Dakota Mallen; Zhaoqi Yan; Andrew S. Mendiola; Takashi Saito; Takaomi C. Saido; Alexander R. Pico; Reuben Thomas; Erik D. Roberson; Katerina Akassoglou; Pavol Bauer; Stefan Remy; Jorge J. Palop.
Cell Reports 43(11): 114870 (2024).
Applies machine-learning analysis of spontaneous mouse behavior to humanized and transgenic Alzheimer’s disease models. Links behavioral changes with neuroinflammation and evaluates intervention effects in these models—not clinical efficacy in people.
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