Hippocampal Cb-2 receptors: an untold story

Hippocampal Cb-2 receptors : an untold story

The field of cannabinoid research has been receiving ever-growing interest. Ongoing debates worldwide about the legislation of medical cannabis further motivates research into cannabinoid function within the central nervous system (CNS). To date, two well-characterized cannabinoid receptors exist. While most research has investigated Cb-1 receptors (Cb(1)Rs), Cb-2 receptors (Cb(2)Rs) in the brain have started to attract considerable interest in recent years. With indisputable evidence showing the wide-distribution of Cb(2)Rs in the brain of different species, they are no longer considered just peripheral receptors. However, in contrast to Cb(1)Rs, the functionality of central Cb(2)Rs remains largely unexplored. Here we review recent studies on hippocampal Cb(2)Rs. While conflicting results about their function have been reported, we have made significant progress in understanding the involvement of Cb(2)Rs in modulating cellular properties and network excitability. Moreover, Cb(2)Rs have been shown to be expressed in different subregions of the hippocampus, challenging our prior understanding of the endocannabinoid system. Although more insight into their functional roles is necessary, we propose that targeting hippocampal Cb(2)Rs may offer novel therapies for diseases related to memory and adult neurogenesis deficits.

Papanikolaou, MariaUppsala universitet,Institutionen för neurovetenskap (author)
Noga, Diana AlineUppsala universitet,Institutionen för neurovetenskap (author)
Padua-Reis, MarinaUppsala universitet,Institutionen för neurovetenskap (author)
Tort, Adriano Bretanha LopesUniv Fed Rio Grande do Norte, Inst Brain, Salgado Filho 3000, BR-59076550 Natal, RN, Brazil. (author)
Blunder, MartinaUppsala universitet,Institutionen för neurovetenskap(Swepub:uu)marbl960 (author)
Uppsala universitetRadiologi (creator_code:org_t)

In:Reviews in the Neurosciences: Walter de Gruyter33:4, s. 413-4260334-17632191-0200

By the author/editor: Visvanathar, Rob ...; Papanikolaou, Ma ...; Noga, Diana Alin ...; Padua-Reis, Mari ...; Tort, Adriano Br ...; Blunder, Martina

About the subject

MEDICAL AND HEALTH SCIENCES: MEDICAL AND HEAL ...; and Basic Medicine; and Neurosciences

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