ENDOCRINE DISRUPTIVE EFFECTS OF NAPHTHALENE IN IMMATURE AND MATURE FEMALES OF LIZA KLUNZINGERI

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YARAHMADI ZAHRA; MOVAHEDINIA ABDOLALI; RASTGAR SARA

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Paper Information

Journal: JOURNAL OF MARINE SCIENCES AND TECHNOLOGY Year:2012 | Volume:11 | Issue:3 Page(s): 55-63

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Title

ENDOCRINE DISRUPTIVE EFFECTS OF NAPHTHALENE IN IMMATURE AND MATURE FEMALES OF LIZA KLUNZINGERI

Author(s)

YARAHMADI ZAHRA | MOVAHEDINIA ABDOLALI | RASTGAR SARA | Issue Writer Certificate

Keywords

VITEIOGENESISQ3

17β-ESTRADIOLQ2

CORTISOLQ2

TRIIODOTHYRONINEQ2

POLYCYCLIC AROMATIC HYDROCARBONQ2

Abstract

This research intends to study on effects of naphthalene (NAP) on the plasma levels of CORTISOL, thyroxin (T 4), and TRIIODOTHYRONINE (T 3) on female immature and mature Liza klunzingeri at two exposure durations. In the first experiment, female fish were divided into control and treatment groups. A peritoneal injection of 50mg/kg of NAP in Zul/g vegetable oil was performed on the treatment group according to their body weight. The control group received only 2m/g vegetable oil based upon their body weight. Blood and gonad samples were taken from both groups after three hours. In the second experiment, implants of 50mglkg NAP in 10m/g coconut oil were used. Samples were collected 72hours after the implant. Fish gonadal phase were identified by histological study of the sampled ovaries, and plasma levels of CORTISOL, T3 and T4 hormones were measured. The results showed a significant increase and decrease of CORTISOL and T 4 levels, respectively, in both mature and immature groups in 3 and 72hours exposures. Following the 72hours-Iong stress, T3 levels significantly reduced. In both experiments, a significant change of T 3/T 4 ratio was observed only in the immature group. By activating aryl hydrocarbon receptors, causing disorder in the functions of hypothalamic- pituitary-interrenal and hypothalamic-pituitary-thyroid axes, disorder in synthesis and secretion of hormones, NAP changes their plasma levels; therefore, it decreases the physiological capacity and survival of fish when facing chemical stress.

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References

اثر بنزوآلفاپایرن بر سطوح پلاسمایی هورمون های موثر در فرآیند اسپرماتوژنز (کورتیزول و تستوسترون) در نرهای رسیده شانک زرد باله Acanthopagrus latus

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APA: Copy

YARAHMADI, ZAHRA, MOVAHEDINIA, ABDOLALI, & RASTGAR, SARA. (2012). ENDOCRINE DISRUPTIVE EFFECTS OF NAPHTHALENE IN IMMATURE AND MATURE FEMALES OF LIZA KLUNZINGERI. JOURNAL OF MARINE SCIENCES AND TECHNOLOGY, 11(3), 55-63. SID. https://sid.ir/paper/74736/en

Vancouver: Copy

YARAHMADI ZAHRA, MOVAHEDINIA ABDOLALI, RASTGAR SARA. ENDOCRINE DISRUPTIVE EFFECTS OF NAPHTHALENE IN IMMATURE AND MATURE FEMALES OF LIZA KLUNZINGERI. JOURNAL OF MARINE SCIENCES AND TECHNOLOGY[Internet]. 2012;11(3):55-63. Available from: https://sid.ir/paper/74736/en

IEEE: Copy

ZAHRA YARAHMADI, ABDOLALI MOVAHEDINIA, and SARA RASTGAR, “ENDOCRINE DISRUPTIVE EFFECTS OF NAPHTHALENE IN IMMATURE AND MATURE FEMALES OF LIZA KLUNZINGERI,” JOURNAL OF MARINE SCIENCES AND TECHNOLOGY, vol. 11, no. 3, pp. 55–63, 2012, [Online]. Available: https://sid.ir/paper/74736/en

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