https://wikimd.org/index.php?action=history&feed=atom&title=Big_dynorphin 2026-04-25T13:33:09Z Revision history for this page on the wiki MediaWiki 1.44.2 https://wikimd.org/index.php?title=Big_dynorphin&diff=5326483&oldid=prev 2024-02-28T21:32:47Z

<p>CSV import</p> <p><b>New page</b></p><div>&#039;&#039;&#039;Big dynorphin&#039;&#039;&#039; is a [[neuropeptide]] that is found in the [[nervous system]]. It is a large peptide that is derived from the [[prohormone]], [[prodynorphin]]. Big dynorphin is known for its role in modulating responses to [[pain]], [[stress]], and [[addiction]]. <br /> <br /> == Structure ==<br /> Big dynorphin is a 32-amino acid peptide. It is composed of the [[dynorphin A]] and [[dynorphin B]] sequences, which are connected by a [[lysine]] residue. The structure of big dynorphin allows it to interact with [[kappa opioid receptors]] in the nervous system.<br /> <br /> == Function ==<br /> Big dynorphin functions as a [[neurotransmitter]] and [[neuromodulator]] in the nervous system. It binds to and activates kappa opioid receptors, which are involved in pain perception, stress response, and the development of addiction. Activation of these receptors by big dynorphin can lead to [[analgesia]], or pain relief. However, it can also produce [[dysphoria]], or a state of unease or dissatisfaction.<br /> <br /> == Role in Disease ==<br /> Research has suggested that big dynorphin may play a role in several [[neurological disorders]], including [[chronic pain]], [[depression]], and [[drug addiction]]. Elevated levels of big dynorphin have been found in individuals with these conditions, suggesting that it may contribute to their development or progression.<br /> <br /> == See Also ==<br /> * [[Dynorphin]]<br /> * [[Kappa opioid receptor]]<br /> * [[Neuropeptide]]<br /> * [[Neurotransmitter]]<br /> <br /> == References ==<br /> &lt;references /&gt;<br /> <br /> [[Category:Neuropeptides]]<br /> [[Category:Neurotransmitters]]<br /> [[Category:Neuromodulators]]<br /> {{neuroscience-stub}}</div>

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