Archives
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Mitoxantrone Assays: Workflow, Resistance & Optimization
2026-09-17
Build more informative Mitoxantrone experiments by separating topoisomerase II activity, apoptosis, intracellular exposure, and ABCG2-mediated resistance. This workflow also shows how to translate the marein–ABCG2 findings into practical combination and transporter assays without confusing chemosensitization with direct cytotoxicity.
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Bufalin–STK33 Targeting in Triple-Negative Breast Cancer
2026-09-17
The 2025 Advanced Science study identifies serine/threonine kinase 33 (STK33) as a direct binding and degradation target of Bufalin in triple-negative breast cancer. By combining target discovery, binding validation, genetic perturbation, animal models, and patient-derived organoids, the work connects Bufalin exposure to disruption of the STK33–HSP90 complex and suppression of tumor-cell proliferation.
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Recombinant Mouse SHH: Assay Design for Patterning
2026-09-16
Recombinant Mouse Sonic Hedgehog enables controlled studies of morphogen activity, from alkaline phosphatase induction to comparative genital-tubercle development. This article translates recent Shh evidence into practical assay-design decisions for developmental biology and congenital malformation research.
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Berberrubine and the Vitamin K Cycle in Thrombosis
2026-09-16
The reference study integrates mouse thrombosis pharmacology, non-targeted metabolomics, and molecular docking to connect berberrubine with the vitamin K catalytic cycle. Its most important finding is a separation between prolonged prothrombin time and the absence of increased bleeding time, offering a mechanistic basis for further evaluation of this natural-product metabolite as an antithrombotic lead.
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Tricine-SDS-PAGE Gel Preparation Kit Protocol
2026-09-15
The Tricine-SDS-PAGE Electrophoresis System Gel Preparation Kit is designed for higher-resolution protein electrophoresis and peptide separation in the low-molecular-weight range, including targets from 1 to 10 kDa. It is intended for research workflows, not diagnostic or medical use, and should be validated with the laboratory’s own samples, markers, and running conditions.
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Proteoform-Specific Drug Interactions in Native Membranes
2026-09-15
The reference study establishes a native mass spectrometry workflow for connecting membrane-protein post-translational modifications with ligand binding and complex assembly. Using retinal rod disc membranes, it resolves rhodopsin and G-protein proteoforms and reveals differential off-target recognition of PDE6 by sildenafil and vardenafil, offering a more precise framework for drug selectivity studies.
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Cabazitaxel (XRP6258): Workflow and QC Guide
2026-09-14
Cabazitaxel (XRP6258, SKU B2157) provides a practical research option for antiproliferative assays involving taxane-resistant or P-glycoprotein-expressing cancer cell lines. It is suitable for DMSO- or ethanol-based workflows, but not for direct aqueous preparation or long-term storage of solutions.
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ARID1A Loss and Osimertinib Resistance in Lung Cancer
2026-09-14
This study identifies an ARID1A–PTEN–Akt signaling axis that links chromatin regulation to acquired osimertinib resistance in lung adenocarcinoma models. Its combination of genetic perturbation, drug-response assays, phenotypic measurements, immunoblotting, and CUT&Tag supports PTEN transcriptional control as a mechanistic explanation and a potential basis for combination treatment strategies.
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Clathrin-Mediated Entry of Grass Carp Reovirus
2026-09-13
Wang et al. used pharmacological inhibitors, transmission electron microscopy, and quantitative PCR to show that genotype III grass carp reovirus enters CIK cells through dynamin-dependent, clathrin-mediated endocytosis requiring endosomal acidification. The lack of inhibition by Latrunculin B under the tested conditions provides a useful negative control for interpreting actin cytoskeleton disruption during viral-entry studies.
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MEK–ERK Signaling in Lupus Lung Hemorrhage
2026-09-12
This preprint identifies MEK1/2–ERK1/2 activation as a pharmacologically targetable driver of endothelial injury, altered hemostasis, and diffuse alveolar hemorrhage in pristane-induced lupus in susceptible B6 mice. Its inhibitor-comparison design separates the MEK–ERK axis from JNK and p38 signaling and connects pathway activity with apoptosis, Egr1 expression, tissue-factor regulation, and bleeding phenotypes.
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HRP Conjugated Goat Anti-Mouse IgG Workflow
2026-09-11
Build more sensitive mouse-IgG immunoassays with an affinity-purified, HRP-labeled secondary antibody. This practical guide translates a tumor-microbiome vaccine study into workflows for Western blotting, ELISA, IHC, and ICC, with optimization and troubleshooting guidance.
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Substrate Stiffness Drives Dentinogenesis via FAK
2026-09-11
Bai and colleagues show that substrate stiffness regulates odontoblast-like cell behavior and dentinogenic differentiation through a LAMB1–FAK–MEK1/2 signaling axis. The work links material mechanics to focal-adhesion signaling and provides a mechanistic framework for designing dental biomaterials that support reparative dentin formation.
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Sex Differences in Angiotensin II Hypertension
2026-09-10
The reference study showed that chronic angiotensin II produced a substantially larger blood-pressure rise in conscious male mice than in female mice, while gonadectomy shifted the response in opposite directions. Telemetry, phenylephrine testing, and ganglionic blockade linked this sex difference to altered baroreflex control and a greater ganglion-dependent contribution to blood-pressure maintenance in males.
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PTK6–SOCS3–mTOR Control of Uveal Melanoma Autophagy
2026-09-10
The reference study identifies a PTK6–SOCS3–mTOR regulatory axis that suppresses autophagy and supports uveal melanoma proliferation, migration, and invasion. Its combination of database screening, cellular perturbation, interaction analysis, and rescue experiments provides a mechanistic framework for interpreting autophagy-dependent tumor phenotypes.
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PFHxS Hepatotoxicity via PPAR Signaling in Zebrafish
2026-09-09
This 2024 study combines transcriptomics, liver pathology, biochemical measurements, and causal perturbation to show that environmentally relevant PFHxS exposure disrupts liver development and function in larval zebrafish through PPAR-mediated signaling. Its pharmacological antagonist and PPAR morpholino experiments strengthen the interpretation that altered lipid regulation is mechanistically linked to PFHxS-induced hepatotoxicity.