Amide proton transfer-weighted (APTw) imaging is a kind of new magnetic resonance molecular imaging that rapidly developed in recent years. APTw imaging reflects the protein concentration and acid-base changes in tissues by detecting amide protons in free proteins and peptides in tissues. APTw imaging is a complementary technique to the existing magnetic resonance techniques, which can provide new molecular biological information for central nervous system diseases. In this article, the basic principle of APTw imaging and its application in common central nervous system diseases such as brain tumor, ischemic stroke, and neurodegenerative diseases are reviewed to provide new methods for promoting the transformation of APTw imaging from the research stage to routine clinical application, and facilitating the precise diagnosis and treatment of central nervous system diseases.

Amide proton transfer-weighted (APTw) imaging is a kind of new magnetic resonance molecular imaging that rapidly developed in recent years. APTw imaging reflects the protein concentration and acid-base changes in tissues by detecting amide protons in free proteins and peptides in tissues. APTw imaging is a complementary technique to the existing magnetic resonance techniques, which can provide new molecular biological information for central nervous system diseases. In this article, the basic principle of APTw imaging and its application in common central nervous system diseases such as brain tumor, ischemic stroke, and neurodegenerative diseases are reviewed to provide new methods for promoting the transformation of APTw imaging from the research stage to routine clinical application, and facilitating the precise diagnosis and treatment of central nervous system diseases.

Both chronic obstructive pulmonary disease (COPD) and obstructive sleep apnea syndrome (OSA) are common respiratory diseases. Both can exist at the same time, which is referred to as the " overlap syndrome (OS)". Epidemiological studies showed poorer outcomes with increased comorbidities and mortality, which indicated complicated interactions between COPD and OSA. Even though the underlying mechanisms of overlap syndrome have not yet well understood, the airway and systemic inflammation as well as oxidative stress induced by hypoxia played an essential role in the disease interactions and pathogeneses of comorbidities, mainly cardiovascular diseases. One other question is that how to treat the overlap syndrome. This paper summarizes the current research progress of the overlapping interaction and treatment.