Distinguished Scholar Club -- Chenhao Li & Zhenfei Xie

文摘   2024-09-30 04:07   美国  

Speaker 1


Chenhao Li, Ph.D.


Current position:

Research fellow, Broad Institute of MIT and Harvard, Massachusetts General Hospital


Biography

Chenhao received his Ph.D. in computer science from National University of Singapore, where he developed computational algorithms to study the ecology of human gut microbiome. He joined Dr. Ramnik Xavier’s lab at Massachusetts General Hospital in 2020. As a computational biologist, Chenhao is interested in a broad range of technical and biological questions, including developing methods for emerging sequencing technologies, characterizing the spatial organization of intestine cells, and understanding the spatial-temporal dynamics of the gut microbiome.


Talk title

Gut microbiome and metabolome profiling in Framingham heart study reveals cholesterol-metabolizing bacteria


Highlighted publications

First- and Co-First Author Publications (*equal contribution; #correspondence)

1. C. Li*, M. Stražar*, ..., R. Xavier. Gut microbiome and metabolome profiling in Framingham Heart Study reveals cholesterol-metabolizing bacteria linked with lower cardiovascular risk. Cell. (2024).

2. C. Li*#, T. V. Av-Shalom, J. W. G. Tan, J. S. Kwah, K. R. Chng, N. Nagarajan#. BEEM- Static: Accurate inference of ecological interactions from cross-sectional metagenomic data. PLOS Computational Biology. (2021).

3. A. S. L. Tay*, C. Li*, T. Nandi*, ..., N. Nagarajan, J. Common. Atopic dermatitis microbiomes stratifiy into ecological dermotypes enabling microbial virulence and disease severity. The Journal of Allergy and Clinical Immunology. (2021).

4. K. R. Chng*, C. Li*, D. Bertrand*, ..., N. Nagarajan. A cartography of opportunistic pathogens and antibiotic-resistance genes in a tertiary hospital environment. Nature Medicine. (2020).

5. C. Li*, K. R. Chng, T. V. Av-Shalom, ..., N. Nagarajan. An expectation-maximization algorithm enables accurate ecological modeling using longitudinal microbiome sequencing data. Microbiome. (2019).

6. C. Li*, K. R. Chng, K. M. K. Lim, N. Nagarajan. Predicting Microbial Interactions through Computational Approaches. Methods. (2016). Review paper.

7. C. Li*, K. R. Chng*, E. J. H. Boey, ..., N. Nagarajan. INC-Seq: Accurate single molecule reads using nanopore sequencing. GigaScience. (2016).

Speaker 2

Zhenfei Xie, Ph.D.


Current position: 

Postdoctoral fellow, The Ragon Institute of Mass General, MIT, and Harvard


Biography

Zhenfei received his B.S. in Biological Sciences from Sichuan Agricultural University in 2012, and then received his Ph.D. in Developmental Biology from Shanghai Institute of Biochemistry and Cell Biology in 2018. During his Ph.D., Zhenfei worked on mouse sperm-like cell—haploid embryonic stem cell mediated embryonic development and its application for rapid generation of genetically engineered mouse models with CRISPR-Cas9 under the supervision of Prof. Jin-Song Li. After completing his Ph.D. study, he joined Prof. Yi Zhang lab of Boston Children’s Hospital/Harvard Medical School in 2018 as a postdoctoral research fellow to work on the epigenetic reprogramming in cloned mouse development. After that, he shifted his focus and continued his scientific training in Immunology in Prof. Facundo Batista’s lab of Ragon Institute as a postdoctoral research fellow in 2020 and was promoted as a research scientist in 2023. Currently, his research relates to vaccine studies against infectious disease, particularly on HIV with humanized mouse models.


Talk title

HIV-1 trimer boosters elicit precursors to broadly neutralizing antibodies


Highlighted publications

First- and Co-First Author Publications (*equal contribution)

1. Xie, Z. *, Lin, Y.-C. *, Steichen, J. M. *, Ozorowski, G. *, Kratochvil, S., Ray, R., Torres, J. L., Liguori, A., Kalyuzhniy, O., Wang, X., Warner, J. E., Weldon, S. R., Dale, G. A., Kirsch, K. H., Nair, U., Baboo, S., Georgeson, E., Adachi, Y., Kubitz, M., … Batista, F. D. (2024). mRNA-LNP HIV-1 trimer boosters elicit precursors to broad neutralizing antibodies. Science, 384(6697), eadk0582. https://doi.org/10.1126/science.adk0582

2. Xie, Z. *, Zhang, W. *, & Zhang, Y. (2022). Loss of Slc38a4 imprinting is a major cause of mouse placenta hyperplasia in somatic cell nuclear transferred embryos at late gestation. Cell Reports, 38(8), 110407. https://doi.org/10.1016/j.celrep.2022.110407

3. Yin, Q. *, Wang, H. *, Li, N. *, Ding, Y. *, Xie, Z. *, Jin, L. *, Li, Y., Wang, Q., Liu, X., Xu, L., Li, Q., Ma, Y., Cheng, Y., Wang, K., Zhong, C., Yu, Q., Tang, W., Chen, W., Yang, W., … Li, J. (2020). Dosage effect of multiple genes accounts for multisystem disorder of myotonic dystrophy type 1. Cell Research, 30(2), 133–145. https://doi.org/10.1038/s41422-019-0264-2

4. Li, H. *, Guo, A. *, Xie, Z. *, Tu, W., Yu, J., Wang, H., Zhao, J., Zhong, C., Kang, J., Li, J., Huang, S., & Shen, L. (2017). Stabilization of mouse haploid embryonic stem cells with combined kinase and signal modulation. Scientific Reports, 7(1), 13222. https://doi.org/10.1038/s41598-017-13471-4

5. Zhong, C. *, Xie, Z. *, Yin, Q. *, Dong, R., Yang, S., Wu, Y., Yang, L., & Li, J. (2016). Parthenogenetic haploid embryonic stem cells efficiently support mouse generation by oocyte injection. Cell Research, 26(1), 131–134. https://doi.org/10.1038/cr.2015.132

6. Zhong, C. *, Yin, Q. *, Xie, Z. *, Bai, M. *, Dong, R. *, Tang, W., Xing, Y.-H., Zhang, H., Yang, S., Chen, L.-L., Bartolomei, M. S., Ferguson-Smith, A., Li, D., Yang, L., Wu, Y., & Li, J. (2015). CRISPR-Cas9-Mediated Genetic Screening in Mice with Haploid Embryonic Stem Cells Carrying a Guide RNA Library. Cell Stem Cell, 17(2), 221–232. https://doi.org/10.1016/j.stem.2015.06.005

撰稿:李心宇

海报:刘向东

主持:曹瑞丽

宣发:张思蕊


哈佛医学院华人专家学者联合会

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