Systems Immunology Meeting

Visitor of the Week: Kathleen Abadie

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Meet Kathleen Abadie of the University of Washington! She is fourth year graduate student in the bioengineering department and a member of Hao Yuan Kueh’s lab. Kathleen joined us at last week’s Systems Immunology meeting — her second Systems Immunology meeting — where she presented her first talk as a graduate student titled “Early CD8 T cell fate programming revealed by time-resolved RNA sequencing and time-lapse imaging in single cells.” Here’s what she shared about that experience:

This was my first time giving a talk at a conference as a grad student. It was a great experience, and I’ve been so grateful to people who have reached out with questions and ideas. It’s a nice reminder of how supportive and collaborative the scientific community is.

Tell us about your research.
I research T cell fate decisions – that is, how does a single naïve T cell that encounters a foreign pathogen give rise to multiple populations of functionally distinct progeny in ratios that are tuned to the nature of the threat? This question is relevant for better understanding and subsequently engineering T cells for therapy and also for understanding broader gene regulation principles in differentiation.   

How did you decide to focus on this area/project?
I worked at a pharma company before grad school (Genentech), where I found inspiration both in scientific curiosity and the potential to bring new, better therapies to patients. When I decided to go to grad school, I wanted to work in an area that was exciting both for the pure biology and for the therapeutic potential. T cells are just that! The immune system, and T cells in particular, have so many amazing properties to explore, and the potential of engineered T cell immunotherapies to revolutionize treatment for cancer and other diseases is really exciting to me.

What and/or who is the inspiration behind your scientific journey?
Thanks for asking this. It’s always nice to reflect on why we are where we are. When I look back on my scientific journey, what really stands out are the mentors I’ve had who have shared their own scientific excitement with me, helped me find my own, and given me real-life examples of what I see as a satisfying and successful scientific career. I can think of a handful of people who just lit up my brain when we talked, and I’m so lucky to have had those influences. One of these is my current PI, Kueh!

If Kathleen is not in the Lab, she’s usually on the bike!

If Kathleen is not in the Lab, she’s usually on the bike!

What impact do you hope to make through your work?
I have a few answers to this. I hope to someday be able to provide the same inspiration to developing scientists as the people I mentioned above provided to me. I also hope to contribute new ideas to the field of immune cell fate control and immunotherapy. Lastly, I hope I can play a small role in the big and exciting task of engineering T cells to treat disease. 

What do you love most about being a researcher?
I love facing a totally unknown problem and thinking about how to creatively address it. On the flip side, this is probably also the most painful part of being a researcher for me. It’s so hard to know that what I am doing is ‘useful’ or ‘the right direction,’ which causes a lot of angst. I think in the end, dealing with this paradox will make me a better and stronger person (at least, that’s what you have to tell yourself in the low points of grad school).

What drew you to attend this meeting?
This meeting is such an exciting union of different fields – basic immunology, genomics, mathematical modeling. It’s amazing to see all the techniques and expertise come together here and listen to people share ideas across fields. I think the potential for synergistic progress here is vast, and I want to be a part of it!

What is your key takeaway from the Meeting; and how do you plan to apply it to your work?
A big takeaway for me is that there are a lot of creative ways to analyze data, particular those so high dimensional and rich as single-cell sequencing data. I should consider how these techniques could help me get more out of my data, even though it is often intimidating to get a new computational technique up and running in my hands.

What’s the most memorable thing that happened during the Meeting?
It’s a toss-up between Ron Germain playing a Joni Mitchell song in the middle of his talk and Uri Alon singing about autoimmune surveillance of hyper-secreting mutants.

Thank you to Kathleen for being this week's featured visitor. To meet other featured researchers - and discover the wide range of science that takes part in a CSHL meeting or course - go here.

Images provided by Kathleen Abadie.

Visitor of the Week: Kerry Hilligan

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Meet Kerry Hilligan of the Malaghan Institute of Medical Research in Wellington, New Zealand. The postdoctoral fellow in Prof. Franca Ronchese’s Immune Cell Biology Program made her maiden voyage to CSHL this week to attend the inaugural meeting of Systems Immunology. Kerry was among the forty-two speakers of the meeting and she presented her talk, “Dissecting the innate immune networks regulating CD4+ T cell differentiation,” during the Single Cell Analysis of Genomic and Signaling States session.

What are your research interests? What are you working on?
My research is focused on understanding how antigen-presenting cells regulate adaptive immunity in response to a diverse range of pathogenic stimuli and environmental cues. 

How did you decide to make this the focus of your research?
Vaccines have been one of the most important advancements in medical history, but there are still many diseases where no vaccine is available or the available vaccine is ineffective. In order to inform vaccine design, we need to understand the specific signals involved in initiating protective immune responses against a variety of different pathogens.

How did your scientific journey begin? 
I have always been interested in biology and understanding how cells perform specialized functions and interact with one another. During my final year as an undergraduate at Victoria University in Wellington, New Zealand, I took an immunology course and instantly knew that this was the field of study that I wanted to pursue. I was completely captivated by this extraordinary network of cells that could be leveraged in so many ways to improve human health.  

Was there something specific about the Systems Immunology meeting that drew you to attend?
This was the inaugural Systems Immunology meeting at CSHL and offered the perfect platform to meet with other researchers with an interest in systems immunology. There was also an impressive lineup of speakers presenting data on the latest cutting-edge technology. 

What is your key takeaway from the meeting?
Single-cell technologies have helped uncover a remarkable level of heterogeneity and plasticity among immune cells. 

What did you pick up or learn from the meeting that you plan to apply to your work?  
There were many exciting new technologies presented at this meeting. I was particularly interested in a platform that allows you to measure protein and mRNA transcript levels simultaneously in individual cells. 

If someone curious in attending a future iteration of this meeting asked you for feedback or advice on it, what would you tell him/her?
I would highly recommend this meeting to both “wet lab” and computational immunologists. The program included lots of unpublished findings and integrated experimental, computational, and mathematical approaches to immunology. 

What did you think of your first meeting at CSHL?
I had heard great things about CSHL meetings and was not disappointed! I thoroughly enjoyed my experience at CSHL and will definitely check out future meetings.

What do you like most about your time at CSHL?
The campus is absolutely beautiful and provided the perfect backdrop to a fantastic meeting.

Thank you to Kerry for being this meeting’s featured visitor. To meet other featured scientists - and discover the wide range of science that takes part in a CSHL meeting or course - go here.