| 1 | Activating Connexin43 gap junctions primes adipose tissue for therapeutic intervention显示文摘Adipose tissue is a promising target for treating obesity and metabolic diseases.However,pharmacological agents usually fail to effectively engage adipocytes due to their extraordinarily large size and insufficient vascularization,especially in obese subjects.We have previously shown that during cold exposure,connexin43(Cx43)gap junctions are induced and activated to connect neighboring adipocytes to share limited sympathetic neuronal input amongst multiple cells.We reason the same mechanism may be leveraged to improve the efficacy of various pharmacological agents that target adipose tissue.Using an adipose tissue-specific Cx43 overexpression mouse model,we demonstrate effectiveness in connecting adipocytes to augment metabolic efficacy of theβ_(3)-adrenergic receptor agonist Mirabegron and FGF21.Additionally,combing those molecules with the Cx43 gap junction channel activator danegaptide shows a similar enhanced efficacy.In light of these findings,we propose a model in which connecting adipocytes via Cx43 gap junction channels primes adipose tissue to pharmacological agents designed to engage it.Thus,Cx43 gap junction activators hold great potential for combination with additional agents targeting adipose tissue. | Yi Zhu Na Li Mingyang Huang Xi Chen Yu AAn Jianping Li Shangang Zhao Jan-Bernd Funck Jianhong Cao Zhenyan He Qingzhang Zhu Zhuzhen Zhang Zhao VWang Lin Xu Kevin W.Williams Chien Li Kevin Grove Philipp E.Scherer | 2022 | Acta Pharmaceutica Sinica B2022，12，7： | 0 |
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