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Intrinsically disordered proteins are a group of proteins that do not fold into specific three-dimensional structures. Their structural flexibility allows them to complement ordered proteins to perform functions that are inaccessible to rigid structures. They are more common in eukaryotes than prokaryotes and may either be exclusively intrinsically disordered or hybrid proteins, consisting of a mix of ordered and disordered regions. The absence of a rigid structure in these proteins can be...
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The gastrointestinal tract is susceptible to various disorders. If the lower esophageal sphincter is damaged, stomach acid can flow back into the esophagus, causing irritation and inflammation of the lining. This condition is called gastroesophageal reflux disease (known as heartburn) and may cause chest pain and difficulty swallowing. In the stomach, prolonged use of nonsteroidal anti-inflammatory drugs like aspirin, chronic alcohol consumption, bacterial infections such as Helicobacter...
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Assessment and Communication for People with Disorders of Consciousness
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Premenstrual Dysphoric Disorder.

Teresa Lanza di Scalea1, Teri Pearlstein2

  • 1Assistant Professor of Psychiatry and Women's Health, Dell Medical School, University of Texas at Austin, Austin, TX, USA.

The Medical Clinics of North America
|May 13, 2019
PubMed
Summary

Premenstrual dysphoric disorder (PMDD) involves severe emotional and physical symptoms due to hormonal fluctuations. Treatments include serotonin reuptake inhibitors and other therapies.

Keywords:
AntidepressantEtiologyOral contraceptivePremenstrual dysphoric disorderPremenstrual syndromeTreatment

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Area of Science:

  • Neuroscience
  • Psychiatry
  • Endocrinology

Background:

  • Premenstrual dysphoric disorder (PMDD) represents the most severe form of premenstrual symptoms.
  • It is characterized by significant emotional, physical, and functional impairments.
  • Women with PMDD exhibit an atypical response to normal hormonal changes.

Purpose of the Study:

  • To outline the pathophysiology of Premenstrual Dysphoric Disorder (PMDD).
  • To review current and emerging treatment strategies for PMDD.

Main Methods:

  • Review of existing literature on PMDD neurobiology and treatment efficacy.
  • Analysis of the role of hormonal fluctuations, serotonin pathways, and neurosteroid sensitivity.

Main Results:

  • Altered sensitivity in the GABAA receptor to allopregnanolone and changes in brain circuitry are implicated in PMDD.
  • Serotonin reuptake inhibitors (SSRIs) are established as first-line pharmacological treatment.
  • Second-line options include drospirenone-containing oral contraceptives, ovulation suppression, calcium, chasteberry, and cognitive-behavioral therapy.

Conclusions:

  • Understanding the neurobiological underpinnings of PMDD is crucial for effective management.
  • A multi-faceted approach combining pharmacological and non-pharmacological interventions offers the best outcomes for PMDD patients.