Hypocrellin B
Based on 1 publication(s) in Google Scholar
Hypocrellin B, a pigment isolated from the fungi Hypocrella bambusae and Shiraia bambusicola, is an apoptosis inducer. Hypocrellin B can be used as a photosensitizer for photodynamic therapy of cancer. Hypocrellin B also has antimicrobial and antileishmanial activities.
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- Reinheit : 99.63%
- CAS. Nr.: 123940-54-5
- Formel: C30H24O9
- Molecular Weight:528.51
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Speicherung:
4°C, protect from light
* In solvent : -80°C, 6 months; -20°C, 1 month (protect from light)
Publications Citing Use of MedChemExpress (MCE) Hypocrellin B
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Biologische Aktivität
Beschreibung
IC50 & Target
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Leishmania |
Cellular Effect
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Cell Line
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Type | Value | Description | References |
|---|---|---|---|---|
| BGC-823 | IC50 |
40 nM
Compound: 2
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Cytotoxicity against human BGC823 cells assessed as cell death preincubated for 5 hrs in dark condition followed by irradiation with a 532 nm laser of 20 J/cm2 for 1000 seconds measured after 24 hrs by MTT assay
Cytotoxicity against human BGC823 cells assessed as cell death preincubated for 5 hrs in dark condition followed by irradiation with a 532 nm laser of 20 J/cm2 for 1000 seconds measured after 24 hrs by MTT assay
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[PMID: 22352922] |
In Vitro
Hypocrellin B (2.5 μM, 4 h) induces cell cytotoxicity 24 h after sonodynamic therapy (SDT) in HepG2 cells, and induces induce the early apoptosis[2].
Hypocrellin B shows antifungal and anti-parasite activity against C. albicans and Leishmania donovani respectively (IC50: 5 and 12.7 μg/mL)[3].
MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only. Further protocols information, click here.
In Vivo
MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.
Chemical Information
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CAS. Nr. 123940-54-5
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Appearance Solid
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Molecular Weight 528.51
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Formel C30H24O9
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Color Brown to black
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SMILES
CC(C1)=C(C(C)=O)C(C2=C(C3=C(O)C=C4OC)C4=C5C(OC)=CC(O)=C6C5=C2C1=C(OC)C6=O)=C(OC)C3=O
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Structure Classification
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Initial Source
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Versand
Room temperature in continental US; may vary elsewhere.
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Speicherung
4°C, protect from light
* In solvent : -80°C, 6 months; -20°C, 1 month (protect from light)
Publications (1)
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Journal Impact Factor
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Most Recent
Lösungsmittel & Löslichkeit
In Vitro:
DMSO : < 1 mg/mL (insoluble or slightly soluble)
* Hypocrellin B is usually formulated as a suspension.
Protokoll
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Research Protocol for Infectious Diseases
Infectious-disease experiments test how pathogens interact with host barriers, innate immune receptors, inflammatory signaling, pathogen replication, and tissue injury; pattern-recognition receptors such as TLRs, RIG-I-like receptors, NOD-like receptors, and inflammasomes detect microbial molecules and activate NF-κB, interferon, and cytokine responses. The central hypothesis is that infection severity reflects the balance between pathogen burden and host response: protective inflammation restricts pathogen growth, whereas excessive or mislocalized inflammation contributes to tissue damage and disease phenotype. Unresolved questions include which host pathways are protective versus pathogenic, why some infection models fail to translate to human disease, and which combined readouts best predict clinically relevant infection outcomes.
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Apoptosis
Apoptosis, also called programmed cell death, is generally characterized by distinct morphological characteristics.
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TUNEL staining for apoptotic DNA fragmentation
TUNEL staining detects DNA strand breaks by using terminal deoxynucleotidyl transferase to add labeled nucleotides to exposed 3′-OH DNA termini, generating either microscopic staining in fixed cells or tissue sections, or fluorescence/cytometric signal in cell suspensions. TUNEL positivity reflects DNA fragmentation but should not be interpreted alone as definitive apoptosis, because TUNEL can also label necrotic, autolytic, mechanically damaged, or DNA-repair-associated DNA breaks.
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Annexin V plus membrane-impermeant dye apoptosis staining
Annexin V-based apoptosis assays rely on the detection of phosphatidylserine (PS) externalization from the inner leaflet of the plasma membrane to the outer leaflet, an early biochemical hallmark of apoptosis. Fluorescently labeled Annexin V binds PS in a calcium-dependent manner, enabling identification of early apoptotic cells by flow cytometry or fluorescence microscopy. When combined with a membrane-impermeant DNA-binding dye (e. g. , propidium iodide), this approach allows discrimination between viable (Annexin V−/dye−), early apoptotic (Annexin V+/dye−), and late apoptotic or necrotic (Annexin V+/dye+) cell populations by assessing membrane integrity and PS exposure.
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Apoptosis Solutions
Apoptosis is a regulated, generally non-lytic cell-death pathway that removes unwanted, damaged, infected, or abnormal cells through coordinated morphological changes, caspase activation, DNA fragmentation, and membrane remodeling. The intrinsic apoptosis pathway is controlled mainly by mitochondrial outer membrane permeabilization, BCL-2 family proteins, cytochrome c release, apoptosome formation, caspase-9 activation, and downstream executioner caspase-3/7 activation. The extrinsic apoptosis pathway is initiated by death receptors such as Fas, TNFR, and TRAIL receptors, which recruit adaptor proteins and activate caspase-8 before engaging executioner caspases or mitochondrial amplification through BID cleavage. Apoptosis is linked to many phenotypes, including cancer cell killing, tissue homeostasis, immune regulation, neurodegeneration, infection response, and treatment-induced cytotoxicity; unresolved questions include how apoptosis interacts with necroptosis, pyroptosis, ferroptos
Reinheit & Dokumentation
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Data Sheet (282 KB)
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SDS (394 KB)
- English - EN (394 KB)
- Français - FR (394 KB)
- Deutsch - DE (394 KB)
- Norwegian - NO (394 KB)
- Español - ES (394 KB)
- Swedish - SV (394 KB)
- Italian - IT (394 KB)
- Korean - KR (394 KB)
- Portuguese - PT (394 KB)
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Handling Instructions (2659 KB)
Verweise
[1]. Miller GG, et al. Preclinical assessment of hypocrellin B and hypocrellin B derivatives as sensitizers for photodynamic therapy of cancer: progress update. Photochem Photobiol. 1997 Apr;65(4):714-22. [Content Brief]
[2]. Wang X, et al. Hypocrellin B-mediated sonodynamic action induces apoptosis of hepatocellular carcinoma cells. Ultrasonics. 2012 Apr;52(4):543-6. [Content Brief]
[3]. Ma G, et al. Antimicrobial and antileishmanial activities of hypocrellins A and B. Antimicrob Agents Chemother. 2004 Nov;48(11):4450-2. [Content Brief]
[4]. Chang JE, et al. Hypocrellin B and paclitaxel-encapsulated hyaluronic acid-ceramide nanoparticles for targeted photodynamic therapy in lung cancer. J Photochem Photobiol B. 2016 May;158:113-21. [Content Brief]
Calculators
Konzentration (Stammlösung) × Volumen (Stammlösung) = Konzentration (Ziellösung) × Volumen (Ziellösung)