scholarly journals Effects of Chemical Mixtures on the Ovary

Reproduction ◽  
2021 ◽  
Author(s):  
Vasiliki E. Mourikes ◽  
Jodi A Flaws

The ovaries play a critical role in female reproductive health because they are the site of oocyte maturation and sex steroid hormone production. The unique cellular processes that take place within the ovary make it a susceptible target for chemical mixtures. Herein, we review the available data regarding the effects of chemical mixtures on the ovary, focusing on development, folliculogenesis, and steroidogenesis. The chemical mixtures discussed include those to which women are exposed to environmentally, occupationally, and medically. Following a brief introduction to chemical mixture components, we describe the effects of chemical mixtures on ovarian development, folliculogenesis, and steroidogenesis. Further, we discuss the effects of chemical mixtures on corpora lutea and transgenerational outcomes. Identifying the effects of chemical mixtures on the ovaries is paramount to preventing and treating mixture-inducing toxicity of the ovary that has long-term consequences such as infertility and ovarian disease.


Seizure ◽  
1999 ◽  
Vol 8 (8) ◽  
pp. 490-493 ◽  
Author(s):  
Erik Taubøll ◽  
Jouko I.T. Isojärvi ◽  
Hanne Flinstad Harbo ◽  
Arto J. Pakarinen ◽  
Leif Gjerstad








Author(s):  
Barbara N Harding ◽  
Gemma Castaño-Vinyals ◽  
Anna Palomar-Cros ◽  
Kyriaki Papantoniou ◽  
Ana Espinosa ◽  
...  






2005 ◽  
Vol 2005 ◽  
pp. 149-149
Author(s):  
M. A. Younes ◽  
N. F. G. Beck ◽  
M. T. Rose ◽  
B. Davies

Reproductive performance of ewe lambs is lower than that of adult ewes (Quirke 1979). This is mainly the result of preimplantation losses, which can exceed 50% of fertilised eggs. Previous evidence from this laboratory suggests that these losses may be associated with abnormal ovarian hormone production (Davies and Beck 1993). Khan (1999) demonstrated that blood progesterone levels during the oestrous cycle and pregnancy were lower in ewe lambs than in ewes. Furthermore, both progesterone and oestradiol concentrations were lower in ewe lambs, than in ewes, following gonadotrophin stimulation (Khan, Beck and Khalid 1999). These results suggest that ewe lamb corpora lutea and follicles secrete less progesterone and oestradiol, respectively, than those of ewes. The aim of this study was to determine whether there is a difference in vitro steroid hormone production by corpora lutea and follicles, from ewe lambs and ewes.



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