Author

Rosy Sakr

Centre National de la Recherche Scientifique

Listed by name: these papers carry no ORCID for this author, so different people with the same name may be mixed together.

Biology Disciplines

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Developmental Biology· 3

Signature Assays, Organisms & Methods

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Research Focus:cell type annotation· 3 Organism:Drosophila· 3 Assay:bulk RNA-seq· 2 Research Focus:differential expression· 2 Approach:experimental assay· 2 Approach:statistical model· 2 Research Focus:clustering· 1 Research Focus:dimensionality reduction· 1

Frequent Co-Authors

Angela GiangrandeiD· 3 shared Pierre B. CattenoziD· 3 shared Alexia Pavlidaki· 2 shared Claude Delaporte· 2 shared Nivedita HariharaniD· 2 shared Tina MukherjeeiD· 2 shared Andrea RibaiD· 1 shared Gege ZhangiD· 1 shared

Activity by Year

2020-2026 · peak 1/yr

Co-Author Collaboration Network

10 top collaborators · 35 mutual co-author links

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3 shared papersDevelopmental Biology

Angela GiangrandeORCID

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3 papers

Recent·Most cited

NimA promotes cell adhesion at the blood brain barrier of Drosophila nervous system

Rosy Sakr, Sara Monticelli, Smrithi Kizhakkenottiyath Shasthadevan, Claude Delaporte, Gege Zhang, Tarek Tabiat, Angela Giangrande, Pierre B. Cattenoz

The paper identifies NimA as a glial-specific protein in Drosophila that regulates cell adhesion at the blood-brain barrier, essential for BBB integrity and neural development.

EMBO Reports · Mar 3, 2026Peer-reviewedDevelopmental Biology

Novel cell- and stage-specific transcriptional signatures defining Drosophila neurons, glia and hemocytes

Rosy Sakr, Pierre B. Cattenoz, Alexia Pavlidaki, Laura Ciapponi, Marta Marzullo, Nivedita Hariharan, Tina Mukherjee, Angela Giangrande

The paper identifies cell- and stage-specific transcriptional signatures in Drosophila neurons, glia, and hemocytes, revealing that developmental stage significantly influences gene expression patterns.

bioRxiv · Jun 30, 2022 · PreprintDevelopmental Biology

Temporal specificity and heterogeneity of the fly immune cells' transcriptional landscape

Pierre B. Cattenoz, Rosy Sakr, Alexia Pavlidaki, Claude Delaporte, Andrea Riba, Nacho Molina, Nivedita Hariharan, Tina Mukherjee, Angela Giangrande

The paper uses bulk and single-cell RNA sequencing to study Drosophila hemocyte heterogeneity across developmental stages and immune challenges, identifying novel cell types and functional states.

The EMBO Journal · Mar 12, 2020Peer-reviewedDevelopmental Biology