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Oxford Optronix
@oxford-optronix.bsky.social
Founded in 1991, Oxford Optronix is a global pioneer in the design, development and manufacture of sophisticated instrumentation for the life sciences
Our goal is simple: To deliver thoughtfully designed, reliable products that exceed all expectations.
What if drug-resistant lung cancer cells have a hidden control switch we can target to make treatments work again?

New pub show that blocking FAK plus EGFR drugs cuts long-term survival in colony assays, and was quantified with our #GelCount.

#LungCancer #DrugResistance
Novel FAK inhibitors suppress tumor growth and reverse EGFR-TKI resistance in non-small cell lung cancer
Aim: The current study aims to investigate the critical role of the focal adhesion kinase (FAK) oncogenic signaling pathway in mediating drug resistance to epidermal growth factor receptor (EGFR)-tyro...
www.oaepublish.com
November 20, 2025 at 5:53 PM
Is a single helper protein quietly keeping androgen receptor signaling alive in prostate cancer?

In a new @nature.com publication, a @ucsfcancer.bsky.social team identified PTGES3 as direct AR modulator using #CRISPR screens. Colony assays were analyzed by #GelCount, linking biology to cell fate.
Genome-scale CRISPR screens identify PTGES3 as a direct modulator of androgen receptor function in advanced prostate cancer - Nature Genetics
Genome-wide CRISPRi screens for modulators of androgen receptor (AR) protein levels using live-cell quantitative endogenous AR fluorescence reporters identify PTGES3 as a new regulator of AR stability...
www.nature.com
November 13, 2025 at 8:58 PM
Deep-tissue oxygenation with a PLD array: 4.26 cm phantoms, accurate renal maps to 3.85 cm in vivo, validated by an #OxyLite kidney sensor placement.

Read here: opg.optica.org/boe/fulltext...

#Photoacoustics #TissueOxygenation
Radware Captcha Page
opg.optica.org
November 10, 2025 at 6:36 PM
What if hydration is a key variable in chronic eardrum repair?

Biomed Eng Lett: Mn-porphyrin hydrogel scavenged ROS and generated O₂ in vitro (validated with #OxyLite, Fig. 2d) but showed no healing in rats, likely due to gel dehydration and collapse in the middle ear.

#Biomaterials #WoundHealing
Challenges in functional hydrogel application for chronic tympanic membrane perforation: practical limitations and lessons learned - Biomedical Engineering Letters
Chronic tympanic membrane (TM) perforations often persist due to oxidative stress and hypoxia in the middle ear. A minimally invasive, biocompatible hydrogel addressing these challenges could serve as...
link.springer.com
November 3, 2025 at 8:12 PM
Stop guessing pericellular oxygen and just measure it.

Guide to dissolved O2 in hypoxia chambers: think in mmHg, verify in media pO2, track stability with #OxyLite and #HypoxyLab.

Read here: www.oxford-optronix.com/resources/in...

#pO2 #Hypoxia #ResearchTools
In Vitro Dissolved Oxygen Monitoring in Hypoxia Chambers
Explore how an in vitro system that can be utilized within hypoxic chambers ensures precise dissolved oxygen control in cell cultures and media. Hypoxia chambers are used worldwide by research investi...
www.oxford-optronix.com
October 31, 2025 at 3:02 PM
What if oxygen is the switch for FLASH at the molecular scale?
At 5% O₂, UHDR yields fewer DNA strand breaks than LDR & at ~21% O₂ that advantage vanishes. #HypoxyLab set ~40 mmHg O₂ and #OxyLite confirmed O₂ and sealing to keep conditions true.

Read here👉 arxiv.org/pdf/2510.15478
arxiv.org
October 28, 2025 at 4:42 PM
What if ΔPCO₂ in shock is more about acidosis than Haldane effect?
New study shows hydrogen ions dominate the CO₂ gap while flow recovers. #OxyFlo measured jejunal microvascular flow to link perfusion with CO₂ dynamics.
#Shock #CriticalCare #CO2 #LDF #Physiology

link.springer.com/article/10.1...
Regional venous-to-arterial carbon dioxide pressure and content differences during endotoxemic shock: influence of hydrogen ion accumulation vs. Haldane effect - Intensive Care Medicine Experimental
Background The relationship between carbon dioxide pressures (PCO2) and contents (CCO2) is linked to the Haldane effect. Nevertheless, under shock conditions, hydrogen ion accumulation might strongly ...
link.springer.com
October 20, 2025 at 12:20 PM
Novel paper by a @harvard.edu team used nanobubbles to convert pressure into an ultrasound signal, and our #OxyLite tied mechanism to outcome by tracking dissolved oxygen in real time.
The technique may open safer, more sensitive #cardiology pressure monitoring.

#BiomedicalEngineering #Nanobubbles
Rapidly dissolving polymeric microbubbles promote supersaturation and in-situ formation of acoustic nanobubbles capable of dynamic pressure sensing
Developing noninvasive methods for monitoring intravascular and intracardiac pressures is crucial for advancing the diagnosis and management of cardio…
www.sciencedirect.com
October 16, 2025 at 6:51 PM
What if FLASH response is tuned by oxygen and spheroid size?

In 3D models, UHDR matched conventional dose rates in ambient oxygen for small spheroids, but hypoxia increased the dose needed for control by about 7 to 14 percent.

#HypoxyLab maintained 8 mmHg O2 to model hypoxia.

#FLASH #Hypoxia
Not All Tumors Are Alike: Varying Efficacy of FLASH Across Tumor Types and Oxygenation Status in Spheroid Models - PubMed
This preclinical study suggests that tumor iso-efficacy with UHDR may not hold true for all cancer types and is associated with oxygen level.
pubmed.ncbi.nlm.nih.gov
October 14, 2025 at 7:32 PM
What if blocking EXO1 could selectively kill FA/BRCA1-A/ZRSR2-deficient tumors?

New @nature.com study maps EXO1 synthetic-lethal partners and combo wins (PARPi, cisplatin, IR). Clonogenic survival imaged and analyzed with #GelCount across key figures (2-4).

#DNARepair #CancerResearch #Oncology
EXO1 as a therapeutic target for Fanconi Anaemia, ZRSR2 and BRCA1-A complex deficient cancers - Nature Communications
EXO1 performs multiple roles in DNA replication and DNA damage repair (DDR), but its role in DDR-deficient cancers remains unclear. Here, the authors find EXO1 loss as synthetic lethal with many DDR genes involved in various cancers, including genes from Fanconi Anaemia pathway, BRCA1-A complex, and spliceosome factor ZRSR2; such interactions represent potential clinical targets.
www.nature.com
October 6, 2025 at 3:04 PM
What if the clock is the biggest variable in septic #AKI?
In an ovine model, tempol begun at 24–31 h did not reverse medullary hypoxia; normalization followed antibiotics.
#OxyLite (pO2) & #OxyFlo (perfusion) revealed cortex-vs-medulla differences in real time.

#Sepsis #TranslationalResearch
Effects of tempol on renal medullary tissue hypoxia in an ovine model of Gram‐negative septic acute kidney injury
Renal arterial infusion of tempol (RAT) at the onset of Gram-negative sepsis can prevent sepsis-induced medullary tissue hypoxia and acute kidney injury (AKI). However, it is not known whether treatm....
physoc.onlinelibrary.wiley.com
September 30, 2025 at 7:31 PM
What if tumor hypoxia is the switch for CD8⁺ T-cell exhaustion?

New Immunity paper shows chronic hypoxia drives ATF4 leading to mitochondrial stress & death. ISRIB restores T-cell fitness and PD-1 response.

The #HypoxyLab was set to 1.5% O₂ for 96 h to model cell stress.

#Hypoxia #Immunotherapy
Intra-tumoral hypoxia promotes CD8+ T cell dysfunction via chronic activation of integrated stress response transcription factor ATF4
Metabolic stress imposed by the tumor microenvironment (TME) promotes T cell dysfunction and limits antitumor immunity. Alicea Pauneto et al. demonstrate the hypoxia within the TME drives chronic acti...
www.cell.com
September 29, 2025 at 7:16 PM
What if a simple flow change could curb ECMO-related brain injury?
In an ovine VA-ECMO DH model, increasing flow to 4.5 L/min boosted PbTO₂ (+215%) and reduced histologic damage vs 2.5 L/min.
Cerebral measurements achieved with #OxyLite (pO₂) + #OxyFlo (laser-Doppler flow).
#ECMO #Neuroprotection
Effect of flow change on brain injury during an experimental model of differential hypoxaemia in cardiogenic shock supported by extracorporeal membrane oxygenation - Scientific Reports
Scientific Reports - Effect of flow change on brain injury during an experimental model of differential hypoxaemia in cardiogenic shock supported by extracorporeal membrane oxygenation
www.nature.com
September 22, 2025 at 5:02 PM
What if flipping CRC colony morphology could boost chemo?

New @nature.com paper shows azithromycin drives re-epithelialization in 3D collagen and sensitizes to irinotecan. Validations used #GelCount to objectively count 3D colonies.

#CancerResearch #3DCulture

www.nature.com/articles/s42...
3D collagen high-throughput screen identifies drugs that induce epithelial polarity and enhance chemotherapy response in colorectal cancer - Communications Biology
A 3D high-throughput screen in type I collagen is established to score drug efficacy by colony morphology, identifying three antibiotics that re-epithelialize colorectal cancer colonies and enhance ch...
www.nature.com
September 16, 2025 at 4:56 PM
We recently partnered with MycoFog to offer a simple-to-use decontamination device for cell incubators and workstations (HypoxyLab included).

Read this article to reduce contamination risk and keep experiments on track:

www.oxford-optronix.com/resources/ke...

#LabSafety #CellCulture #CleanLab
Keeping incubators and workstations contamination-free
Maintain good laboratory practice by keeping CO₂ incubators and hypoxia workstations contamination-free with tools like MycoFog™, for greater confidence in experimental results
www.oxford-optronix.com
September 11, 2025 at 5:06 PM
What if ICL repair isn’t one pathway’s job?

DNA Repair (2025): NHEJ, TMEJ & HR co-contribute to crosslink repair, with dependencies shifting when NHEJ is impaired. Survival readouts (Fig. 1, 3, 4) were supported by #GelCount to image and analyze the clonogenic assays.

#DNARepair #GenomeStability
Contributions of DNA Double Strand Break Repair Pathways to DNA Crosslink Repair
DNA crosslink-inducing drugs are widely used in clinical settings for treatment of solid tumors. Double strand breaks (DSBs) that arise during interst…
www.sciencedirect.com
September 5, 2025 at 12:11 PM
What if #astrocytes steer optic nerve head blood flow?

Study shows OGD/R → mTOR activation in LC astrocytes, ↑PGE₂, and relaxed VSMCs, supporting astrocyte-driven autoregulation. Hypoxia verified with OxyLite (<10 mmHg after 1 h).
#OxyLite often lets teams fine-tune media pO₂ to in-vivo levels.
Frontiers | Astrocytes from lamina cribrosa are involved in the autoregulatory function of optic nerve head vessels in vitro
PurposeTo investigate the role of the lamina cribrosa (LC) astrocytes in the autoregulatory capacity of optic nerve head (ONH) vessels and to explore the und...
www.frontiersin.org
September 3, 2025 at 1:56 PM
What if we’ve been aiming at the wrong surface?

Under <0.1% O₂, UPR drives intracellular C5aR1 that supports tumour cell survival — favouring cell-permeable inhibitors. #GelCount used to track 3D spheroid growth and to image/analyze clonogenic plates.

#Hypoxia #Spheroids #ClonogenicAssay
UPR-induced intracellular C5aR1 promotes adaptation to the hypoxic tumour microenvironment - Cell Death & Disease
Cell Death & Disease - UPR-induced intracellular C5aR1 promotes adaptation to the hypoxic tumour microenvironment
www.nature.com
August 18, 2025 at 12:43 PM
What if less oxygen could protect the Parkinson’s brain? 🧠
Using Oxford Optronix’s #OxyLite sensor, researchers found α-syn aggregation causes brain hyperoxia—& that hypoxia reversed it, restoring motor function.
#Neurodegeneration #ParkinsonsResearch

Read here: www.nature.com/articles/s41...
Hypoxia ameliorates neurodegeneration and movement disorder in a mouse model of Parkinson’s disease - Nature Neuroscience
Parkinson’s disease (PD) involves toxic protein buildup and energy failure in neurons. Continuously breathing low-oxygen air protected mice from PD-like neuronal loss and reversed symptoms, even after...
www.nature.com
August 14, 2025 at 12:34 PM
Can early IM adrenaline save more lives after cardiac arrest?
Early IM adrenaline in cardiac arrest boosted adrenaline levels & heart output but didn’t improve ROSC or brain O₂. Brain oxygen monitoring with #OxyLite showed the gap between systemic gains & brain delivery.
#Resuscitation #Neuro #Brain
Intramuscular adrenaline to improve outcomes following cardiac arrest – An experimental porcine study
To investigate early intramuscular adrenaline as an add-on treatment for cardiac arrest in a clinically relevant porcine model. We hypothesized that i…
www.sciencedirect.com
August 11, 2025 at 12:16 PM
What does hypoxia do to your RNA?

A new Nucleic Acids Research paper reveals that low oxygen impairs translation & reshapes RNA mods.
They used the HypoxyLab for precise O₂ control at 0.2% to compare to normoxic conditions.

Read here: academic.oup.com/nar/article/...

#Hypoxia #RNA #LabTech
Rapid depletion and super-resolution microscopy reveal dual roles of SRSF5 in coordinating nuclear speckle–paraspeckle crosstalk during cellular stress
Abstract. Nuclear speckles (NS) and paraspeckles (PS) are adjacent yet distinct nuclear condensates that undergo stress-induced reorganization. Here, we id
academic.oup.com
August 6, 2025 at 5:18 PM
Meet GelCount 2—the new benchmark in automated colony, spheroid & organoid analysis:
⚡ 50% faster imaging
📊 Quantitative size and count data
🧪 Trusted by researchers worldwide with 500+ citations
#CancerResearch #DrugDiscovery #Organoid #LabAutomation

Watch Here: www.youtube.com/watch?v=vYou...
GelCount 2 intro video
YouTube video by Oxford Optronix Ltd., UK
www.youtube.com
August 5, 2025 at 6:55 PM
Are you really counting colonies, or just noise?
GelCount's multi-parameter object classification removes the guesswork—enabling clean, reproducible counts of colonies, spheroids, and organoids.
#Colony #Organoid #Spheroid #LabAutomation #GelCount #CancerResearch
Object Classification in Mammalian Cell Colony, Spheroid, and Organoid Counting
Explores how automated imaging and analysis tools define inclusion and exclusion criteria in cell colony, spheroid, and organoid analysis. This article covers how systems like GelCount automate the de...
www.oxford-optronix.com
July 21, 2025 at 2:32 PM
Study in Scientific Reports compares ECMO, Impella, and ECPELLA in healthy sheep hearts.

Real-time #OxyLite pO₂ tracking enabled precise MVO₂ calculations across devices.

🧪 A foundational study for future cardiomyopathy models.

#CardiacSupport #Physiology #HeartResearch #AHA #ECMO
Head-to-head comparison of V-A ECMO, Impella and ECPELLA in normal ovine hearts - Scientific Reports
Scientific Reports - Head-to-head comparison of V-A ECMO, Impella and ECPELLA in normal ovine hearts
www.nature.com
July 21, 2025 at 12:17 PM
How does mechanical ventilation affect kidney oxygenation in sepsis?
This study tracked PO₂ in the renal medulla using OxyLite fiber-optic probes (OxyLite) and found a ~25% drop under mechanical ventilation.

Read here➡️ link.springer.com/article/10.1...

#Sepsis #Renal #Kidney #TranslationalScience
Recruitment of renal functional reserve by intravenous amino acid loading in a sheep model of cardiopulmonary bypass - Intensive Care Medicine Experimental
Background Cardiopulmonary bypass (CPB) may decrease the renal functional reserve (RFR). However, the temporal changes in RFR after during the recovery period after CPB remains unknown. We assessed RF...
link.springer.com
July 15, 2025 at 12:35 PM