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colganwi committed Dec 16, 2024
1 parent 2e8eec1 commit 683d251
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14 changes: 13 additions & 1 deletion _data/people.yml
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id: AnneOdera
alum: true

- name: Maria Gould
pos: Admin Assistant
email: [email protected]
id: MariaGould
alum: true

- name: Richard She
pos: Post-doc
email: [email protected]
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id: EsmeSun
alum: false

- name: Alex Li
pos: Undergrad
email: [email protected]
id: AlexLi
alum: false

- name: Roxana Vallejo
pos: Lab Assistant
email: [email protected]
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pos: Software Engineer
email: [email protected]
id: SichaoYu
alum: false
alum: true

- name: Jingjie Hu
pos: Grad student
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67 changes: 67 additions & 0 deletions _data/publications.yml
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- title: CD47 predominates over CD24 as a macrophage immune checkpoint in cancer.
authors:
- Juliet Allen
- Anna Meglan
- Kyle Vaccaro
- "Jos\xE9 Velarde"
- Victor Chen
- Juliano Ribeiro
- Jasmine Blandin
- Sumeet Gupta
- Ranjan Mishra
- Raymond Ho
- Jennifer Love
- Ferenc Reinhardt
- George W Bell
- Jin Chen
- Robert Weinberg
- Dian Yang
- Jonathan Weissman
- Kipp Weiskopf
publication_date: 09/12/24
publication_year: '2024'
pubmed_id: '39651307'
abstract: 'Macrophages hold tremendous promise as effectors of cancer immunotherapy,
but the best strategies to provoke these cells to attack tumors remain unknown.
Here, we evaluated the therapeutic potential of targeting two distinct macrophage
immune checkpoints: CD47 and CD24. We found that antibodies targeting these antigens
could elicit maximal levels of phagocytosis when combined together in vitro. However,
to our surprise, via unbiased genome-wide CRISPR screens, we found that CD24 primarily
acts as a target of opsonization rather than an immune checkpoint. In a series
of in vitro and in vivo genetic validation studies, we found that CD24 was neither
necessary nor sufficient to protect cancer cells from macrophage phagocytosis
in most mouse and human tumor models. Instead, anti-CD24 antibodies exhibit robust
Fc-dependent activity, and as a consequence, they cause significant on-target
hematologic toxicity in mice. To overcome these challenges and leverage our findings
for therapeutic purposes, we engineered a collection of 77 novel bispecific antibodies
that bind to a tumor antigen with one arm and engage macrophages with the second
arm. We discovered multiple novel bispecifics that maximally activate macrophage-mediated
cytotoxicity and reduce binding to healthy blood cells, including bispecifics
targeting macrophage immune checkpoint molecules in combination with EGFR, TROP2,
and CD71. Overall, our findings indicate that CD47 predominates over CD24 as a
macrophage immune checkpoint in cancer, and that the novel bispecifics we created
may be optimal immunotherapies to direct myeloid cells to eradicate solid tumors.'
doi: 10.1101/2024.11.25.625185
journal: biorxiv
- title: 'A platform for multimodal '
authors:
- Reuben A Saunders
- William E Allen
- Xingjie Pan
- Jaspreet Sandhu
- Jiaqi Lu
- Thomas K Lau
- Karina Smolyar
- Zuri A Sullivan
- Catherine Dulac
- Jonathan S Weissman
- Xiaowei Zhuang
publication_date: 28/11/24
publication_year: '2024'
pubmed_id: '39605605'
abstract: 'Organ function requires coordinated activities of thousands of genes
in distinct, spatially organized cell types. Understanding the basis of emergent
tissue function requires approaches to dissect the genetic control of diverse
cellular and tissue phenotypes '
doi: 10.1101/2024.11.18.624217
journal: biorxiv
- title: Combinatorial effector targeting (COMET) for transcriptional modulation and
locus-specific biochemistry.
authors:
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