Sept 27 (Reuters) - Temasek Holdings (Private) Ltd TEM.UL
* Integra Holdings announces first closing of a $25 million investment
* Integra Holdings - Temasek, which led round with an investment of $15 million, was joined by Arie Capital, with an initial investment of $2 million
* Integra Holdings - the Israeli Teachers' and Kindergarten's Study Funds, one of Integra's current shareholders, also participated in the financing round