Morphometric Characteristics of Rat Testes Tissue After Exposure to Dust–Salt Aerosols of the Aral Sea
Suleimen A. Rakhimova B. Jangildinova S. Aitkulov A. Yessilbayeva B. Yestemessova K. Dyussenbekova B. Abdikadirova K. Turlybekova G. Amreyeva K.
April 2025Multidisciplinary Digital Publishing Institute (MDPI)
Biology
2025#14Issue 4
The long-term reduction of the Aral Sea area has led to an ecological catastrophe and a deterioration in the health of the population. The progressing demographic crisis necessitates research on factors that negatively impact the fertility of the population in the Aral region. To investigate the influence of Aral Sea dust–salt aerosols on rat testicular tissues, we exposed male rats to the inhalation of dust–salt aerosols for 7, 24, 30, 48 and 72 days. The results of the morphometric analysis of the rat testes tissues indicate that aerosols containing salts from the Aral Sea have a detrimental effect on the seminiferous epithelium, causing a depletion of the spermatogenic layer and reduction of seminiferous tubules lumen. The morphological signs of testicular damage in the experimental animal groups included low cellularity of seminiferous tubules, vacuolization of Sertoli cells, and a decrease in the number of Leydig cells in the interstitium. The smallest thickness of the spermatogenic layer and the lowest number of Leydig cells were observed in rats after the longest inhalation exposure to the dust–salt aerosols.
Aral Sea , dust–salt aerosols , morphometry , rat , testes
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Department of Biomedicine, Karaganda Medical University, Karaganda, 100012, Kazakhstan
Department of Physiology, Buketov Karaganda University, Karaganda, 100024, Kazakhstan
Department of Physiology, Karaganda Medical University, Karaganda, 100012, Kazakhstan
Department of Zoology, Karaganda University Named After E.A. Buketov, Karaganda, 100024, Kazakhstan
School of Public Health, Karaganda Medical University, Karaganda, 100012, Kazakhstan
Department of Biomedicine
Department of Physiology
Department of Physiology
Department of Zoology
School of Public Health
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