Cited by 3Sperm and Testicular FunctionAdvanced Glycation End Products researchTrace Elements in Health

Chronic alcohol administration causes expression of calprotectin and RAGE altering the distribution of zinc ions in mouse testis

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Giannessi, Francesco, Scavuzzo, Maria C., Giambelluca, Maria A., Fornai, Francesco, Morelli, Girolamo, Ruffoli, Riccardo·2015·Systems Biology in Reproductive Medicine

Abstract

Several studies reported that chronic alcohol consumption alters the intestinal mucosa barrier, and subsequent entrance of endotoxins into the bloodstream. In many tissues endotoxin exposure causes the expression of calprotectin (CP) and the receptor for advanced glycation -end products (RAGE). In this study we investigated whether chronic alcohol administration causes expression of CP and RAGE in mouse testis. The distribution of free and loosely bound Zn(2+) (FLB-Zn(2+)) in the testicular tissues was also evaluated. Alcohol-induced testicular damage was documented by measuring testosterone blood levels and by light and electron microscope studies. Twenty mice were treated daily for three weeks with 3.0 g/kg of a 25% solution of alcohol. Ten mice were treated in the same period of time with a solution of maltose dextrins, isocaloric to alcohol. Twenty untreated mice were used as controls. Alcohol treated mice showed diffuse expression of CP and RAGE in the interstitial cells. RAGE was found also in the basal compartment of the seminiferous tubules. Depletion of FLB-Zn(2+) was observed in the adluminal compartment of the seminiferous tubules. Expression of CP and RAGE was not found in control mice and maltose dextrin treated mice. Our results indicated novel mechanisms by which alcohol acts in testis. Indeed, CP and RAGE may cause the generation of oxidants and inflammatory mediators, with negative impact on testicular functions. Depletion of FLB-Zn(2+) may contribute to the dysregulation of spermatogenesis.

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Crossref · 10.3109/19396368.2014.949905

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  • Excessive alcohol consumption is known to cause testis dysfunction and degeneration, possibly by increasing oxidative stress; alcohol intake can induce RAGE overexpression in the testis, and prolonged ethanol exposure stimulates RAGE activation to produce oxidative stress and inflammatory mediators, leading to testicular dysfunction and degeneration.

    “Excessive alcohol consumption is known to cause testis dysfunction and degeneration, possibly by increasing oxidative stress.”

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Authors
Giannessi, F., Scavuzzo, M. C., Giambelluca, M. A., Fornai, F., Morelli, G., & Ruffoli, R.
Affiliations
University of Pisa (IT)
Corresponding author
Giannessi, Francesco
Venue
Systems Biology in Reproductive Medicine
Published
2014-08-20
Volume
61
Issue
1
Pages
18-25
ISSN
  • 1939-6368 (ISSN-L)
  • 1939-6376
OpenAlex
W1990160513
Cited by
3
References
44
Citations by year
2023: 1 · 2022: 1 · 2021: 1
FWCI
0.00
Type
journal article
Language
en
Open access
Locations
  • Systems Biology in Reproductive Medicine (publishedVersion)
  • PubMed (publishedVersion)
  • CINECA IRIS Institutial research information system (University of Pisa) (submittedVersion, cc-by-nc-nd)
Topics
  • Health Sciences › Medicine › Reproductive Medicine › Sperm and Testicular Function
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Clinical Biochemistry › Advanced Glycation End Products research
  • Health Sciences › Nursing › Nutrition and Dietetics › Trace Elements in Health
Keywords
chronic alcohol administration, calprotectin, receptor for advanced glycation end products, zinc distribution, testis, seminiferous tubules, testosterone, spermatogenesis, oxidative stress, inflammation, endotoxemia
MeSH terms
Receptor for Advanced Glycation End Products, Ethanol, Animals, Male, Receptors, Immunologic, Testis, Zinc, Leukocyte L1 Antigen Complex, Mice

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