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FrezzaLab Profile
FrezzaLab

@FrezzaLab

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We are a group of metabolism-lovers, focused on mitochondrial metabolism. Tweets are from Christian.

Koln, Germany
Joined December 2017
Don't wanna be here? Send us removal request.
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@FrezzaLab
FrezzaLab
3 years
This is a topic I am very passionate about, and something I am learning every day. I hope you will enjoy the read, and you will find it useful. Happy to hear your views about the topic. The mindful scientist #FEBSnet
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@FrezzaLab
FrezzaLab
3 years
I am thrilled to announce that the Frezzalab will join the @CECAD_ @UniCologneNY as @AvHStiftung professor in October. I am sad to leave Cambridge and the wonderful colleagues I met here, but also incredibly excited to start this new adventure in Cologne.
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@FrezzaLab
FrezzaLab
2 years
Happy to share the results of our collab with @LabPrudent , led by @vincentZecchin1 and Vincent Paupe @Nature ! We show that Fumarate drives mtDNA release in the cytosol via mitochondrial-derived vesicles (MDVs) to trigger innate immunity!
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@FrezzaLab
FrezzaLab
4 years
I am honoured to have been awarded the #AvHProfessorship . This is testament of the great work of the lab members over the past years. A huge "thank you" to @CECAD_ for sponsoring and supporting me on this endeavour.
@CECAD_
CECAD Cologne
4 years
🎉Congratulations to Christian Frezza @FrezzaLab to be awarded a #AvHProfessor . Appointment negotiations are ongoing and we hope to see him soon at our #AgingResearch campus @CECAD_ @UniCologne
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@FrezzaLab
FrezzaLab
3 years
Here it is. @Alestang01 and I are flying to Cologne. It is not easy to move, especially during a pandemic, Brexit, and a fuel shortage.. And moving the lab. But we are getting there. See you on the other side!
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@FrezzaLab
FrezzaLab
3 years
We are very proud to present our latest work and first preprint, a tour de force driven by Dylan Ryan. A short 🧵 below. Disruption of the TCA cycle reveals an ATF4-dependent integration of redox and amino acid metabolism
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@FrezzaLab
FrezzaLab
4 years
We have discussed many times what it means to leave your own country for a job in science. Here are my thoughts, inspired as always by many friends, including @alesposito75 @Pluchinolab @Alestang01 and all my lab members Leaving home for science #FEBSnet
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@FrezzaLab
FrezzaLab
4 years
I am sure most of you have thought of (and was asked) this question. Here my views about how to tackle it. This is a very personal take, so feel free to comment and disagree Thanks to @FEBSnews "So, do you want to be a PI?" #FEBSnet
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@FrezzaLab
FrezzaLab
4 years
In academia, you often hear "I love my job" as self-justification for enduring despite instability, long working hours, and low-paid job, to the great advantage of the employer. Why can't it be considered a normal job? This narrative has to change.
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@FrezzaLab
FrezzaLab
2 years
This is an interesting protocol for rapid fractionation of mitochondria from @Mito_Redox with some help from us @ASofiaHCosta Rapid fractionation of mitochondria from mouse liver and heart reveals in vivo metabolite compartmentation
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@FrezzaLab
FrezzaLab
3 years
The version for proteomics 😂
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@FrezzaLab
FrezzaLab
1 year
... and here the paper, a milestone for the field! Manipulating mitochondrial electron flow enhances tumor immunogenicity | Science
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@FrezzaLab
FrezzaLab
4 years
Lactate: the ugly duckling of energy metabolism | Nature Metabolism
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@FrezzaLab
FrezzaLab
10 months
Hi everyone! The official advert for the immunometabolism position in our lab is now out. To all freshly minted PhD and postdoc, please, apply here if you have experience in macrophage biology and metabolism, we need you! there is a really exciting project waiting for you!
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@FrezzaLab
FrezzaLab
2 years
I am incredibly happy to share this work from our lab and @saezlab , and a lot of fantastic collaborators. We hope you enjoy it! Dynamic partitioning of branched-chain amino acids-derived nitrogen supports renal cancer progression | Nature Communications
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@FrezzaLab
FrezzaLab
2 years
A practical guide for the analysis, standardization and interpretation of oxygen consumption measurements | Nature Metabolism
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@FrezzaLab
FrezzaLab
1 year
"Experiments suggest a 10°C temperature difference between the mitochondrion and its surroundings in a millionfold disagreement with steady-state theoretical estimates." whoa, that's a statment. millionfold! .
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@FrezzaLab
FrezzaLab
3 months
A question I had since I started to work on this. Is mitochondrial morphology important for cellular physiology?: Trends in Endocrinology & Metabolism
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@FrezzaLab
FrezzaLab
2 years
Metabolic communication in the tumour–immune microenvironment | Nature Cell Biology
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@FrezzaLab
FrezzaLab
4 years
An atlas of human metabolism
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@FrezzaLab
FrezzaLab
3 months
Hi all, thanks to funding through the @CRC_1218 , we are recruiting a PhD student to work on the role of FH in mitochondrial physiology within a fantastic group of mito-experts. Please contact us if interested. 👇👇
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@FrezzaLab
FrezzaLab
1 year
Identification of an alternative triglyceride biosynthesis pathway
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@FrezzaLab
FrezzaLab
2 years
Congrats @Caroline_Bartma & the rest of the Rabinowitz lab, a must read for the cancer metabolism field. Slow TCA flux and ATP production in primary solid tumours but not metastases | Nature
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@FrezzaLab
FrezzaLab
1 year
In case you missed it, I find this a masterpiece Cause and Effect in Biology | Science I think that misinterpretation of causality is one of the biggest problems in biology (and probably medicine.
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@FrezzaLab
FrezzaLab
1 year
whoa, what a day... a milestone for mitochondrial biology in cancer from the Shackelford lab!
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@FrezzaLab
FrezzaLab
1 year
The pentose phosphate pathway in health and disease A must-read from Tara Tesla and Josh Rabinowitz, Jing Fan, and @RalserLab
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@FrezzaLab
FrezzaLab
3 years
As anticipated by @DylanRy1937 , here is his masterpiece where we described the consequences of the inhibition of the TCA cycle enzymes FH and SDH. Disruption of the TCA cycle reveals an ATF4-dependent integration of redox and amino acid metabolism
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@FrezzaLab
FrezzaLab
3 years
Some of you may have noticed we moved to @CECAD_ a few months ago and I want to introduce our new team, jumping into this new adventure. A huge welcome to our Lab Manager Desiree Schatton, Lab Technician Monica Cremades Rodelgo and our student Karina Polkovnychenko.
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@FrezzaLab
FrezzaLab
1 year
We are excited to share our paper about a new player in the anti-oxidant response triggered by Fumarate Hydratase loss, FOXA2. Big congratulations to @doctorconnor , who drove this project! FOXA2 controls the anti-oxidant response in FH-deficient cells
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@FrezzaLab
FrezzaLab
4 years
It is with great pleasure that I present this review written with two stars in the field of cancer metabolism @FendtLab and @AyeletErez . Enjoy and feedback! Targeting Metabolic Plasticity and Flexibility Dynamics for Cancer Therapy
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@FrezzaLab
FrezzaLab
3 years
We are delighted to share our new pre-print on the metabolic reprogramming during renal cancer progression. [1/7] Nitrogen partitioning between branched-chain amino acids and urea cycle enzymes sustains renal cancer progression
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@FrezzaLab
FrezzaLab
4 years
I also have a joke (joke not shown)
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@FrezzaLab
FrezzaLab
3 years
Single-cell metabolomics hits its stride | Nature Methods
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@FrezzaLab
FrezzaLab
2 years
I am in! An open invitation to the Understudied Proteins Initiative | Nature Biotechnology
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@FrezzaLab
FrezzaLab
11 months
are we writing grants for doing the science, or we do science to get grants? 🤔
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@FrezzaLab
FrezzaLab
4 years
Do you think it is possible that with all this single-cell sequencing we will end up showing that there is no two equal cells in the body?
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@FrezzaLab
FrezzaLab
2 years
A pan-cancer metabolic atlas of the tumor microenvironment
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@FrezzaLab
FrezzaLab
2 years
Very interesting and relevant article for new PIs. It also includes a TCA-cycle-like scheme about how to develop research. Running a research group in the next generation: combining sustainable and reproducible research with values-driven leadership
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@FrezzaLab
FrezzaLab
3 years
it is a bit embarrassing to see me in a video, but the rest is very good! thanks @AvHStiftung !!
@AvHStiftung
Humboldt-Stiftung
3 years
Krebszellen stoppen: Humboldt-Professor Christian Frezza erforscht @UniCologne , wie man das Wachstum von mutierten Zellen ausbremst, um Krankheiten wie #Krebs zu bekämpfen. #AvHProfessor #Weltkrebstag #WorldCancerDay @CECAD_
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@FrezzaLab
FrezzaLab
4 years
....and after 3 months, our first day back in the lab (well, not for me, though!) Thanks to the @MRC_CU for the massive effort to enable a safe re-start. Good luck everybody!!
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@FrezzaLab
FrezzaLab
2 years
Very excited to share our latest lab photo, with some new members (some are missing). From the top down (left to right): @DrSegarmond , Ditte, @moschandrea @RGhodrat , Theo, Dimitrios, @AitorJarit , Nish, @GollwitzerPeter , Debarati, @RobertaColapie1 Desiree and me (getting older)!
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@FrezzaLab
FrezzaLab
3 years
The worst pandemic of our time is not covid but this..the illusion of knowledge and expertise
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@FrezzaLab
FrezzaLab
4 years
When I see videos like this, I struggle to imagine how any of our "mechanistic" explanations about cellular processes (pathways, cascades, etc) can operate beyond randomness.
@embojournal
The EMBO Journal
4 years
See what’s really going on inside your nerves’ ends - real-time analysis of protein mobility at the #synapse courtesy of Rizzoli lab
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@FrezzaLab
FrezzaLab
2 years
Check out this "primer" from @LabScorrano Shaping fuel utilization by mitochondria
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@FrezzaLab
FrezzaLab
11 months
"Lactate activates the mitochondrial electron transport chain independently of its metabolism"
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@FrezzaLab
FrezzaLab
2 years
An exercise-inducible metabolite that suppresses feeding and obesity | Nature
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@FrezzaLab
FrezzaLab
3 years
And probably every metabolic pathway....in other words everything is associated with everything, and what we are doing is to (merely) connect the dots. Perfect example of "normal science" Every gene can (and possibly will) be associated with cancer
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@FrezzaLab
FrezzaLab
7 months
Two very important papers for the field of ferroptosis: Congrats to @AngeliFriedmann fantastic work!!
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@FrezzaLab
FrezzaLab
5 months
Presenting metabolomics analyses: what is in a number? @JohannesMeiser and I wrote this short piece to raise awareness about how present metabolomics data. We hope you will find it useful. Any comment is welcome! thanks @DanielKlimmeck for the support!
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@FrezzaLab
FrezzaLab
2 years
"Perhaps it is a good time for the field to pause and rigorously assess the side effects of metabolic drugs, as implored by the Hippocratic oath ‘Primum non nocere’, before embarking on further clinical studies."
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@FrezzaLab
FrezzaLab
2 years
How many molecules of mitochondrial complex I are in a cell? short answer: Using mouse primary astrocytes as an example, we calculated an average value of 2.2 × 10^5 complex I molecules/cell.
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@FrezzaLab
FrezzaLab
7 months
Phospholipids with two polyunsaturated fatty acyl tails promote ferroptosis: Cell
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@FrezzaLab
FrezzaLab
1 year
totally agree, we cannot *reverse" what we cannot even define. let's pause and redefine the questions..(big lesson from cancer too) We need to shift the focus of aging research to aging itself | PNAS
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@FrezzaLab
FrezzaLab
4 years
@FrezzaLab is asking Government to protect #ResearchAtRisk I look a bit too beardy
@CRUK_Policy
Cancer Research UK Policy
4 years
In the wake of #COVID19 we must minimise damage to UK research infrastructure, preventing cuts to thousands of scientific jobs essential for treating the world’s deadliest diseases. Unite with @MRC_CU Dr Frezza this Wednesday 28thOct asking Government to protect #ResearchAtRisk
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@FrezzaLab
FrezzaLab
3 years
Hi all, we have two postdoctoral positions open that wait for you to do some great projects on Fumarate Hydratase biology and fumarate. Please check the advert here: and contact me if you need more details.
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@FrezzaLab
FrezzaLab
3 years
Massive paper from @KimrynRathmell and @JeffRathmell . Congratulations to the team! Cell-programmed nutrient partitioning in the tumour microenvironment | Nature
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@FrezzaLab
FrezzaLab
4 years
This is a new review from Dylan from the @FrezzaLab and @laoneill111 . We focused on some very interesting evolutionary aspects of mitochondrial biology. We hope you like it. Congratulations Dylan, the main driver of the piece.
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@FrezzaLab
FrezzaLab
3 years
In our life, we all carry an invisible backpack, full of our experiences, fears, joys, and sorrows that inevitably shapes us. No one sees it, and sometimes we too ignore it to feel more normal. Next time you meet someone take this into account. What will this person be carrying?
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@FrezzaLab
FrezzaLab
3 years
Metabolic remodelling during early mouse embryo development | Nature Metabolism
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@FrezzaLab
FrezzaLab
10 months
difficult to add something insightful among these giants in the field of cancer metabolism. thanks @NatMetabolism to provide this Viewpoint A century of the Warburg effect"
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@FrezzaLab
FrezzaLab
4 years
At this time of uncertainty, I am with all the PhD students, post-docs, and young PIs who just started with excitement their endeavours and need to face lockdowns. To you, be reassured that things will change, we will go back to normal and united we will again make a difference.
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@FrezzaLab
FrezzaLab
7 months
In the spirit of Carnival, here is a "glitter and colour" lab photo! Crazyyyy
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@FrezzaLab
FrezzaLab
4 years
Now, let's cancel Brexit...
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@FrezzaLab
FrezzaLab
2 years
Hi all just to let you know that our lab is looking for a post doc to work at the interface between mitochondrial biology, cancer, and immunity. Please write to me if interested.
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