Fig. 1 · Structure

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Pyridostigmine bromide

Cholinesterase (ChE) Inhibitor

Pyridostigmine bromide is an orally active cholinesterase (ChE) inhibitor that enhances acetylcholine levels by inhibiting the enzyme responsible for its breakdown. This compound demonstrates significant biological activity in modulating cholinergic signaling, making it useful in studying neurodegenerative disorders and neuromuscular junction diseases. Its applications extend to cardiovascular disease research, where it can elucidate cholinergic mechanisms underlying cardiac function and dysfunction.

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In Vitro Studies

Pyridostigmine bromide was evaluated for AChE inhibition activity in Cx. pipiens larvae by introducing the inhibitor into the reaction mixture. The reported IC50 was 135.54 µM. [1]

Literature-reported observations and conditions; not Adooq-tested protocols or general treatment recommendations.

AChE Inhibition in Cx. pipiens Larvae

Cell-based study · Cx. pipiens larvae [1]

Pyridostigmine bromide was introduced into the reaction mixture to assess AChE inhibition activity in Cx. pipiens larvae. The reported IC50 was 135.54 µM.

Measured endpoints — not treatment concentrations
EndpointReported resultReference
AChE inhibition activityIC50 135.54 µM[1]

Literature-Reported Treatment Conditions

Treatment concentration
10 to 250 µM
Exposure duration
Change in absorbance was monitored at 412 nm for 13 min
Method
inhibitors were introduced in the reaction mixture
Reported limits
Not stated in the sentences used: vehicle.
Methods and source locations

Compound reported in the paper: Pyridostigmine bromide

Literature evidence for the named compound in the stated model; no Adooq product-use or lot-performance claim.

Result > In vitro and in vivo AChE inhibition assay (S73); Materials and methods > In vitro acetylcholinesterase inhibition assay (S131, S135, S136, S139, S140, S141, S142)

AChE inhibition activity: AChE inhibition activity; comparator: the control included every other reaction component except the substrate — Result > In vitro and in vivo AChE inhibition assay (S73); Materials and methods > In vitro acetylcholinesterase inhibition assay (S141)

Specifications

Manufacturer Adooq Bioscience
Actions Inhibitor
CAS Number 101-26-8
Applications Cholinesterase (ChE) Inhibitor
Formula C9H13BrN2O2
Molecular Weight 261.12
SMILES
C[N+]1=CC=CC(OC(N(C)C)=O)=C1.[Br-]

Storage & Solubility

In Vitro Solubility

Reported Solubility

No reported solubility data are available for this product.

Preparing Stock Solutions

Stock preparation is unavailable for this product molecular weight.

Calculated stock concentrations do not establish solvent solubility. Refer to the reported solubility data for experimental guidance.

Storage

Store powder at -20°C, keep desiccated.
In powder form, the chemical is stable for 36 months.
In solution, store at -20°C and use within 1 month to prevent loss of potency. Aliquot to avoid multiple freeze/thaw cycles.

Research References

  1. [1] Rao P, Goswami D, Rawal RM. Revealing the molecular interplay of curcumin as Culex pipiens Acetylcholine esterase 1 (AChE1) inhibitor. Sci Rep (2021). PMID: 34471175 DOI: 10.1038/s41598-021-96963-8 Source material

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