Obesity
is associated with the risk of developing several severe
diseases, such as metabolic disorder, diabetes, and heart diseases.
Despite wide investigation and trials, a noninvasive obesity therapy
is still an important medical unmet need, targeting the abnormal adipose
tissue. Here, we developed hyaluronate–hollow gold nanosphere–adipocyte-targeting
peptide (HA–HAuNS–ATP) conjugates for the photothermal
ablation of adipose tissues. The HA–HAuNS–ATP conjugate
could be noninvasively delivered into the skin and effectively target
to adipocytes in the subcutaneous. With near-infrared laser illumination,
HA–HAuNS–ATP conjugate enabled highly effective photothermal
ablation of adipose tissues in C57BL/6 obesity mice. The photoacoustic
imaging confirmed the successful transdermal delivery and the photothermal
lipolysis of HA–HAuNS–ATP conjugate. Taken together,
the transdermal HA–HAuNS–ATP conjugate might have a
great potential for noninvasive photothermal lipolysis.
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