Review Article
Janus kinase/signal transducers and activator of transcription (JAK/STAT) and its role in Lung inflammatory disease

https://doi.org/10.1016/j.cbi.2023.110334Get rights and content

Highlights

  • JAK/STAT signaling pathway is connected to type 1 and 2 cytokine receptors.

  • JAK/STAT sends extracellular information to the cell nucleus.

  • This review examines severe lung inflammation and the JAK/STAT signalling pathway's role.

Abstract

A key signaling channel for the signal transduction of several crucial cytokines implicated in sepsis is the JAK/STAT system. Once cytokines attach to the proper receptors, JAK kinases linked to them are activated and can selectively phosphorylate STATs. Activated STATs subsequently go to the nucleus, where they play a key role in the transcription of the target genes. Various biological activities use the JAK/STAT pathway, including hematopoiesis, immunological modulation, cell differentiation, and apoptosis. Inflammatory lung illnesses affect people worldwide and are a serious public health concern. Numerous common respiratory conditions, such as asthma, bronchiectasis, chronic obstructive pulmonary disease (COPD), and acute respiratory distress syndrome, are strongly influenced by inflammation. Microorganism infections or the destruction or demise of host cells are the causes of inflammation and the factors that perpetuate it. This review discusses the main elements of severe lung inflammation and how the JAK/STAT signaling pathway is essential for lung inflammation.

Introduction

A signaling pathway known as JAK/STAT is connected to type 1 and 2 cytokine receptors. Another name for it is the interlukin-6 (IL-6) signaling pathway. Several bodily processes, including cell division, proliferation, apoptosis, immunological control, and hematopoiesis, are regulated by the JAK/STAT system [1,2]. The JAK/STAT pathway transfers the information from the extracellular environment to the cell nucleus, where it activates transcription factors and starts biological processes [3]. Lung inflammatory disorders are a substantial public health concern on every continent of the world and greatly increase the socioeconomic burden of illness. Globally, these diseases are estimated to affect more than 510 million people [4,5]. Inflammation significantly impacts several respiratory conditions, including asthma, bronchiectasis, and COPD [6]. Inflammation significantly affects a variety of common respiratory disorders, including asthma, COPD, acute respiratory distress syndrome, and bronchiectasis [7]. Microorganism infections or the destruction or demise of host cells are the causes of inflammation and the factors that perpetuate it. Arthritis, diabetes, AIDS, atherosclerosis, inflammatory and immunological illnesses, and cancer of the important organs can all be brought on by abnormal regulation of the JAK/STAT protein [8,9].

Section snippets

History of JAK/STAT

The study of the JAK/STAT pathway started after the discovery of interferon in 1957; Chick embryo cells treated with the influenza virus reportedly generated tiny, virally inhibitory proteins that Alick Isaacs and Jean Lindenmann eventually termed interferon. After interferon was discovered, researchers were increasingly eager to learn how interferon triggered the activation of a transcription factor. Three decades later, in 1990, one article reported that interferon-stimulated gene factor 3

Lung inflammatory disease and JAK/STAT

Inflammation is an immunological reaction to infections, poisonous substances, damaged cells, or other irritants; it causes several biological processes; it's characterized by redness, swelling, heat, pain, and loss of cells [1,14]. Numerous main inflammatory stimuli, including cytokines, interleukin, tumor necrosis factor -alpha (TNF-α), and interferon, activate cell surface receptors before signaling pathway activation [21,22]. Different signaling pathways, including the nuclear factor-κB

Conclusion and future prospective

Asthma, lung cancer, obstructive pulmonary disease, and various other inflammatory respiratory disorders are directly caused by JAK/STAT pathways. Coronavirus and pulmonary TB are also significantly influenced by these pathways. These findings highlight the role of JAK/STAT signaling in the etiopathogenesis of inflammatory lung illnesses and act as an important research tool for developing new medications. Drug development for treating lung illness brought on by an inflammatory response will

Declaration of competing interest

The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper.

Acknowledgement

KD is supported by a project grant from the Rebecca L Cooper Medical Research Foundation and the Maridulu Budyari Gumal Sydney Partnership for Health, Education, Research and Enterprise(SPHERE) RSEOH CAG Seed grant, fellowship and extension grant; Faculty of Health MCR/ECR Mentorship Support Grant and UTS Global Strategic Partnerships Seed Funding Scheme.

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