Spektor Lab
@SpektorLab
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Joined December 2018
#Radonc physician-scientists, you’re invited to the ELEVENTH annual #CROPS 🌽 happy hour!! Tuesday 10/1 6:30-8:30 pm at bartaco, 1025 5th St NW. Come by for any part. Pls RSVP if you think you can join us. Looking forward to seeing everyone!! #ASTRO24 @ASTRO_org @ARRO_org
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Terrific session dedicated to the memory of Angelika Amon, with a tribute by @JSheltzer and outstanding talks by @JSheltzer, @ZStorchova, @SteSantaguida and others. #ANESRC
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Terrific session dedicated to the memory of Angelika Amon, with a tribute by @JSheltzer and outstanding talks by @JSheltzer, @ZStorchova, @SteSantaguida and others. #ANESRC
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Excited to welcome aneuploidy scientific community in sunny Melbourne, FL. Can't wait to see everyone. #ANESRC
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Because CDK5 is overexpressed in many cancers and is associated with a poor prognosis, our study raises the possibility that these cancers may be more dependent on CDK5 for their cell division and suggests that CDK5 may be an important therapeutic target.
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The study alters the existing paradigm that CDK1-Cyclin B1 is the only CDK-cyclin complex essential for all stages of mitosis and raises the possibility that other atypical CDKs may also have a role in regulating the cell-division cycle.
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Loss of CDK5-Cyclin B1 interaction abolished CDK5 activity in vitro (thanks to our collaborator Kavita Shah) and phenocopied CDK5 abrogation in mitosis. CDK5–cyclin B1 is thus a canonical CDK–cyclin complex that plays an essential role in maintaining genome integrity.
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Surprisingly, we discovered that CDK5 forms a functional complex with Cyclin B1, the mitotic cyclin that partners with CDK1 to complete all stages of mitosis.
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With the help of our collaborator @AmandaPaulovich, we used phosphoproteomic analysis to identify putative CDK5 substrates that may account for this phenotype.
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Using two orthogonal chemical genetic approaches, we show that CDK5, an atypical CDK essential in non-dividing neuronal cells, plays an important role in mitosis in preventing mitotic errors. Abrogation of CDK5 prior to mitosis led to chromosome mis-segregation and nuclear atypia
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We found that these errors occur because spindle microtubules that separate sister chromatids during mitosis become abnormally stable in the absence of CDK5, preventing cells from correcting chromosome attachment errors.
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Cyclin Dependent Kinases (CDKs) are critical for regulating different phases of the cell cycle and CDK1 was considered to be the only CDK essential mitosis.
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(1/5) I am delighted to share our study published today @Nature
https://t.co/BjJbHT9qWe collaboration with @Chowdhury Lab, led by @XiaoZheng3and @aniruddhSark. Huge congratulations to all the authors and collaborators.
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We want your research at #ANESCR to help organizers @GodekLab, @LabSpektor, and more unpack the Consequences of Aneuploidy. Submit your abstract by July 21 and save your space: https://t.co/loFrxX4Hu1
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Abstract deadline coming up! Hurry and register to the FASEB "Consequences of Aneuploidy" meeting in Florida (Sep 15-19). This meeting gathers top scientists studying chromosomes, cancer genomes, mitosis and meiosis, and more. More details: https://t.co/cdG98T1Xhe
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My apologies the word artistic I meant self-absorbed, and I apologize again
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#Radonc physician-scientists, join us for the annual #CROPS 🌽 happy hour!! Tues 10/25 6-8 pm, River’s Edge Cafe in the Hilton Palacio del Rio. Come by for any part. Pls RSVP if you think you can join us. Looking forward to seeing everyone in person! #ASTRO22 @ASTRO_org @ARRO_org
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What better way to get to know us than through the eyes of our residents? Join us on 9/28 or 10/11 for a virtual meet & greet! Get all your questions answered about #HROP #RadOnc Sign up here: https://t.co/oPZRSmIS7D
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#ANEUPLOIDY22 It was truly a fantastic meeting and a wonderful tribute to Angelika. Thank you @SteSantaguida, @JSheltzer, Eduardo Torres and Beth Weaver for making this possible. Hoping to see everyone again in 2 years.
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Today at #ANEUPLOIDY22: replication defects and their link to chromosome instability (and vice versa), centrosome amplification, how chromosomal instability relates to efficacy of cancer treatments, how to reliably measure chromosome instability.
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