Crosstalk Between the Spleen and Other Organs/Systems: Downstream Signaling Events

The aim of this review was to gather pieces of information from available critically evaluated published articles concerning any interplay in which the spleen could be involved. For many years, the spleen has been alleged as an unnecessary biological structure, even though splenomegaly is an objecti...

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Main Authors: Giovanni Tarantino, Vincenzo Citro
Format: Article
Language:English
Published: MDPI AG 2024-11-01
Series:Immuno
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Online Access:https://www.mdpi.com/2673-5601/4/4/30
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author Giovanni Tarantino
Vincenzo Citro
author_facet Giovanni Tarantino
Vincenzo Citro
author_sort Giovanni Tarantino
collection DOAJ
description The aim of this review was to gather pieces of information from available critically evaluated published articles concerning any interplay in which the spleen could be involved. For many years, the spleen has been alleged as an unnecessary biological structure, even though splenomegaly is an objective finding of many illnesses. Indeed, the previous opinion has been completely changed. In fact, the spleen is not a passive participant in or a simple bystander to a relationship that exists between the immune system and other organs. Recently, it has been evidenced in many preclinical and clinical studies that there are close associations between the spleen and other parts of the body, leading to various spleen–organ axes. Among them, the gut–spleen axis, the liver–spleen axis, the gut–spleen–skin axis, the brain–spleen axis, and the cardio-splenic axis are the most explored and present in the medical literature. Such recent sources of evidence have led to revolutionary new ideas being developed about the spleen. What is more, these observations may enable the identification of novel therapeutic strategies targeted at various current diseases. The time has come to make clear that the spleen is not a superfluous body part, while health system operators and physicians should pay more attention to this organ. Indeed, much work remains to be performed to assess further roles that this biological structure could play.
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spelling doaj-art-51f4cbea08bd49b6968e28cdc8d8d5b22025-08-20T02:50:53ZengMDPI AGImmuno2673-56012024-11-014447950110.3390/immuno4040030Crosstalk Between the Spleen and Other Organs/Systems: Downstream Signaling EventsGiovanni Tarantino0Vincenzo Citro1Medical School of Naples, Federico II University, 80131 Naples, ItalyDepartment of General Medicine, Umberto I Hospital, 84014 Nocera Inferiore, ItalyThe aim of this review was to gather pieces of information from available critically evaluated published articles concerning any interplay in which the spleen could be involved. For many years, the spleen has been alleged as an unnecessary biological structure, even though splenomegaly is an objective finding of many illnesses. Indeed, the previous opinion has been completely changed. In fact, the spleen is not a passive participant in or a simple bystander to a relationship that exists between the immune system and other organs. Recently, it has been evidenced in many preclinical and clinical studies that there are close associations between the spleen and other parts of the body, leading to various spleen–organ axes. Among them, the gut–spleen axis, the liver–spleen axis, the gut–spleen–skin axis, the brain–spleen axis, and the cardio-splenic axis are the most explored and present in the medical literature. Such recent sources of evidence have led to revolutionary new ideas being developed about the spleen. What is more, these observations may enable the identification of novel therapeutic strategies targeted at various current diseases. The time has come to make clear that the spleen is not a superfluous body part, while health system operators and physicians should pay more attention to this organ. Indeed, much work remains to be performed to assess further roles that this biological structure could play.https://www.mdpi.com/2673-5601/4/4/30gut–spleen axisliver–spleen axisgut–spleen–skin axisbrain–spleen axiscardio-splenic axis
spellingShingle Giovanni Tarantino
Vincenzo Citro
Crosstalk Between the Spleen and Other Organs/Systems: Downstream Signaling Events
Immuno
gut–spleen axis
liver–spleen axis
gut–spleen–skin axis
brain–spleen axis
cardio-splenic axis
title Crosstalk Between the Spleen and Other Organs/Systems: Downstream Signaling Events
title_full Crosstalk Between the Spleen and Other Organs/Systems: Downstream Signaling Events
title_fullStr Crosstalk Between the Spleen and Other Organs/Systems: Downstream Signaling Events
title_full_unstemmed Crosstalk Between the Spleen and Other Organs/Systems: Downstream Signaling Events
title_short Crosstalk Between the Spleen and Other Organs/Systems: Downstream Signaling Events
title_sort crosstalk between the spleen and other organs systems downstream signaling events
topic gut–spleen axis
liver–spleen axis
gut–spleen–skin axis
brain–spleen axis
cardio-splenic axis
url https://www.mdpi.com/2673-5601/4/4/30
work_keys_str_mv AT giovannitarantino crosstalkbetweenthespleenandotherorganssystemsdownstreamsignalingevents
AT vincenzocitro crosstalkbetweenthespleenandotherorganssystemsdownstreamsignalingevents