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Human Aquaporins: Functional Diversity and Potential Roles in Infectious and Non-infectious Diseases
Abul Kalam Azad1, Topu Raihan1, Jahed Ahmed1,2
1Department of Genetic Engineering and Biotechnology, School of Life Sciences, Shahjalal University of Science and Technology, Sylhet, Bangladesh.
Insights
Aquaporins (AQPs) are vital proteins regulating water and solute transport. This review explores their role in both infectious and non-infectious diseases, highlighting AQPs as potential therapeutic targets.
Area of Science:
- Molecular Biology
- Cell Biology
- Physiology
Background:
- Aquaporins (AQPs) are integral membrane proteins crucial for transmembrane water and solute transport in all organisms.
- Humans possess 13 AQPs (AQP0-AQP12), classified into orthodox, aquaglyceroporin, and unorthodox sub-classes based on pore selectivity.
- AQPs are widely distributed in human tissues and involved in numerous physiological processes.
Purpose of the Study:
- To review the involvement of aquaporins (AQPs) in infectious and non-infectious diseases.
- To discuss potential AQPs-target modulators for therapeutic applications.
- To provide insights into AQP structures, tissue distribution, physiological relevance, functional diversity, and regulation.
Main Methods:
- Literature review of studies on aquaporins (AQPs) and their association with diseases.
- Analysis of AQP roles in microbial pathogenesis and inflammation.
- Synthesis of information on AQP structure, function, and therapeutic potential.
Main Results:
- Human AQPs are implicated in a wide range of non-infectious diseases, including cancer, renal dysfunction, neurological disorders, and metabolic syndrome.
- Emerging evidence suggests AQPs are regulated by microbial and parasitic infections, indicating their role in pathogenesis and immune responses.
- AQPs are involved in maintaining cell water homeostasis during infections.
Conclusions:
- Aquaporins (AQPs) play significant roles in both infectious and non-infectious diseases.
- Further investigation of AQPs is warranted to develop them as potential therapeutic targets.
- Modulating AQP activity offers a promising strategy for treating a diverse spectrum of diseases.
Abstract:
Aquaporins (AQPs) are integral membrane proteins and found in all living organisms from bacteria to human. AQPs mainly involved in the transmembrane diffusion of water as well as various small solutes in a bidirectional manner are widely distributed in various human tissues. Human contains 13 AQPs (AQP0-AQP12) which are divided into three sub-classes namely orthodox aquaporin (AQP0, 1, 2, 4, 5, 6, and 8), aquaglyceroporin (AQP3, 7, 9, and 10) and super or unorthodox aquaporin (AQP11 and 12) based on their pore selectivity. Human AQPs are functionally diverse, which are involved in wide variety of non-infectious diseases including cancer, renal dysfunction, neurological disorder, epilepsy, skin disease, metabolic syndrome, and even cardiac diseases. However, the association of AQPs with infectious diseases has not been fully evaluated. Several studies have unveiled that AQPs can be regulated by microbial and parasitic infections that suggest their involvement in microbial pathogenesis, inflammation-associated responses and AQP-mediated cell water homeostasis. This review mainly aims to shed light on the involvement of AQPs in infectious and non-infectious diseases and potential AQPs-target modulators. Furthermore, AQP structures, tissue-specific distributions and their physiological relevance, functional diversity and regulations have been discussed. Altogether, this review would be useful for further investigation of AQPs as a potential therapeutic target for treatment of infectious as well as non-infectious diseases.
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