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User:Rodr3516/Mucoprotein

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Function

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Mucoproteins are the proteins that make up mucus, which serves as a protective barrier to the epithelia of cells. It is semipermeable, so it acts as a barrier to most bacteria and pathogens, while allowing for the uptake of nutrients, water, and hormones.[1]

Protein Structure

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Mucoproteins are composed of o-linked carbohydrates as well as highly glycosylated proteins, which are held together by disulfide bonds[2]. The viscosity of the mucus depends on the strength of the disulfide bonds. When these disulfide bonds are broken, the viscosity of the mucus secretions is reduced.

Clinical Significance

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Mucolytic medications will break through the disufide bonds and lower the viscosity of the mucus, thus allowing the hypersecreted mucus to bemore managable. A hypersectretion of mucus is often a symptom of pulmonary diseases or respiratory infections.[3]

There are two subgroups in mycolytic medications and each one works differently to control the hypersecreted mucus.

  • Classic mucolytic medications these medications change the disulfide bond by reducing it to a thiol bond, thus thoroughly breaking down the mucoproteins and making the mucus more managable.
  • Peptide mucolytic medications these medications depolymerize DNA polymer and F-actin links that are present when the mucus hypersecretes. This preserves the mucins that are helpful to the epithelial tissue of the lungs.[4]

Bibliography

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  • Aksoy, Murat; Aydin Faruk; Guven, Suleyman; Kart, Cavit; Tosun, Ilknur (2012). "The effect of ethinyl estradiol and drospirenone-containing oral contraceptives upon mucoprotein content of cervical mucus." ScienceDirect. [2]
  • Aronson, J. K., ed. (2016-01-01). "Acetylcysteine", Meyer's Side Effects on Drugs (Sixteenth Edition), Oxford: Elsevier, pp 23-25.[3]
  • Gupta, Rishab; Wadhwa, Roopma (2022). "Mucolytic Medications." National Library of Medicine.[4]
  • Cone, Richard A (2009). "Barrier properties of mucus." ScienceDirect.[1]

References

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  1. ^ a b Cone, Richard A. (2009-02-27). "Barrier properties of mucus". Advanced Drug Delivery Reviews. 61 (2): 75–85. doi:10.1016/j.addr.2008.09.008. ISSN 0169-409X.
  2. ^ a b Aksoy, Murat; Guven, Suleyman; Tosun, Ilknur; Aydın, Faruk; Kart, Cavit (2012-09-01). "The effect of ethinyl estradiol and drospirenone-containing oral contraceptives upon mucoprotein content of cervical mucus". European Journal of Obstetrics & Gynecology and Reproductive Biology. 164 (1): 40–43. doi:10.1016/j.ejogrb.2012.05.002. ISSN 0301-2115.
  3. ^ a b "Acetylcysteine", Meyler's Side Effects of Drugs, Elsevier, pp. 23–25, 2016, retrieved 2022-05-06
  4. ^ a b Gupta, Rishab; Wadhwa, Roopma (2022), "Mucolytic Medications", StatPearls, Treasure Island (FL): StatPearls Publishing, PMID 32644589, retrieved 2022-05-06