Risk Assessment of Cosmetics Using Triclosan on Future Generation’s Germ Cell Maturation via Lactating Mother Rats

Tapas K. Mandal, Nargish Parvin, Sang Woo Joo and Partha Roy
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Tapas K. Mandal: Department of Biotechnology, Indian Institute of Technology, Roorkee 247667, India
Nargish Parvin: Department of Biotechnology, Indian Institute of Technology, Roorkee 247667, India
Sang Woo Joo: School of Mechanical Engineering and IT, Yeungnam University, Gyeongsan 38541, Korea
Partha Roy: Department of Biotechnology, Indian Institute of Technology, Roorkee 247667, India

IJERPH, 2020, vol. 17, issue 4, 1-9

Abstract: Triclosan (TCS) is a widely used chemical in personal care and household products as an antimicrobial agent but some studies have reported it as being estrogenic. We investigated the influence of TCS on the male reproductive system of postnatal pups. Lactating mother rats ( Rattus norvegicus ) were given daily doses of 0 mg, 3 mg, and 5 mg/kg/day from the day of delivery until 28 days, equivalent to their natural breastfeeding duration. At 28 days, the male pups of all three groups were sacrificed and their biochemical parameters evaluated. TCS-treated pups had decreased mRNA levels for 3β hydro-hydroxysteroid dehydrogenases (3βHSD), OCT3/4, and androgen receptor (AR) ( p < 0.05). The higher dose (5 mg/kg/day) male pups exhibited more significantly affected germ cell maturation and decreased body weight. In summary, TCS-treated lactating mothers passed the deleterious effects to their untreated male pups as exhibited by reduced androgens synthesis and subsequently decreased sperm count.

Keywords: toxicology; personal care product; male reproduction; androgens; lactation (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2020
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