Amine Depletion
Amine Depletion - Related Videos
06:17
Depletion of Specific Cell Populations by Complement Depletion
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Cited by 15 •
2010
To effectively study the function of immune cell populations their purification is often required. Complement depletion is a fast and inexpensive technique for the isolation of immune cell populations with high purity.
01:19
Amines to Amides: Acylation of Amines
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2025
Various carboxylic acid derivatives (such as acid chlorides, esters, and anhydrides) can be used for the acylation of amines to yield amides. The reaction requires two equivalents of amines. The first amine molecule functions as a nucleophile and attacks the carbonyl carbon to produce a tetrahedral intermediate. This is followed by the loss of the leaving group and restoration of the C=O bond. Next, the second equivalent of amine serves as a Brønsted base and deprotonates the quaternary amide...
08:50
Depletion and Reconstitution of Macrophages in Mice
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Cited by 118 •
2012
Macrophages play a central role in homeostasis and pathology in many tissues. The protocol presented here describes methods for depleting macrophages in vivo, deriving polarized macrophages from bone marrow aspirates, and adoptively transferring macrophages into mice. These techniques allow determination of the role that polarized macrophages play in health and disease.
01:30
Preparation of Amines: Alkylation of Ammonia and Amines
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2025
Alkylation is one of the methods used to prepare amines. Direct alkylation of ammonia or a primary amine with an alkyl halide gives polyalkylated amines along with a quaternary ammonium salt through successive SN2 reactions. This process of making the quaternary salt through the direct alkylation method is called exhaustive alkylation. Each alkylation step makes the nitrogen center more nucleophilic, which triggers successive alkylations until a quaternary ammonium salt is formed. Considering...
11:07
Macrophage Cholesterol Depletion and Its Effect on the Phagocytosis of Cryptococcus neoformans
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Cited by 22 •
2014
In this article, a protocol for infection of macrophages with Cryptococcus neoformans is described. Also, a method for sterol depletion from the macrophages is explained. These protocols provide a guide to study fungal infections in vitro and examine the role of sterols in such infections.
FAQs
Vesicular monoamine transporter inhibition shifts the balance between protected storage and cytoplasmic exposure. When amines are no longer efficiently retained in vesicles, cytoplasmic metabolism can reduce the pool available for later synaptic signaling. This mechanism links a transporter-level disturbance to diminished neurotransmitter-mediated effects and provides a pharmacological explanation for altered transmission.
Because the depleted group includes dopamine, norepinephrine, and serotonin, its consequences are not confined to one signaling pathway. These biogenic amines contribute to distinct aspects of neurotransmission, so reducing their stored availability can influence behavioral processes, cardiovascular regulation, and responses to drugs. The exact interpretation depends on which function is being examined.
Drug effects observed during treatment and changes that emerge after prolonged exposure should not be interpreted identically. Amine depletion can help explain therapeutic effects or adverse reactions, whereas continued treatment may also produce adaptive changes. Separating these time-related outcomes helps pharmacologists distinguish direct consequences from responses that develop during extended drug exposure.
Researchers first disrupt vesicular storage or release, then examine how the resulting reduction in available monoamines relates to a biological or drug-related outcome. The relevant outcome may involve behavior, cardiovascular regulation, or a response to another pharmacological agent. This design connects the manipulation to function without assuming that every observed effect has the same monoaminergic basis.
It can help test what dopamine, norepinephrine, or serotonin contributes to a measured response by reducing their stored availability and observing the consequences. In pharmacology, this approach is relevant to behavioral studies, cardiovascular studies, and investigations of drug responses. It therefore serves as a way to examine monoamine involvement rather than merely cataloging neurotransmitter levels.
Changes in amine stores can provide context for why a pharmacological agent produces a desired effect, an unwanted reaction, or a different response after prolonged treatment. Interpreting these findings requires linking altered neurotransmitter availability with the studied endpoint. That connection helps researchers consider both drug-related outcomes and adaptive changes associated with continued treatment.