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.jpg): Failed to open stream: No such file or directory in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 117 J+Pathol
2016 ; 238
(2
): 321-32
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Cysteine and hydrogen sulphide in the regulation of metabolism: insights from
genetics and pharmacology
#MMPMID26467985
Carter RN
; Morton NM
J Pathol
2016[Jan]; 238
(2
): 321-32
PMID26467985
show ga
Obesity and diabetes represent a significant and escalating worldwide health
burden. These conditions are characterized by abnormal nutrient homeostasis. One
such perturbation is altered metabolism of the sulphur-containing amino acid
cysteine. Obesity is associated with elevated plasma cysteine, whereas diabetes
is associated with reduced cysteine levels. One mechanism by which cysteine may
act is through its enzymatic breakdown to produce hydrogen sulphide (H2S), a
gasotransmitter that regulates glucose and lipid homeostasis. Here we review
evidence from both pharmacological studies and transgenic models suggesting that
cysteine and hydrogen sulphide play a role in the metabolic dysregulation
underpinning obesity and diabetes. We then outline the growing evidence that
regulation of hydrogen sulphide levels through its catabolism can impact
metabolic health. By integrating hydrogen sulphide production and breakdown
pathways, we re-assess current hypothetical models of cysteine and hydrogen
sulphide metabolism, offering new insight into their roles in the pathogenesis of
obesity and diabetes.
|*Disease Models, Animal
[MESH]
|*Models, Genetic
[MESH]
|Adipose Tissue/metabolism
[MESH]
|Animals
[MESH]
|Blood Glucose/metabolism
[MESH]
|Cysteine/*metabolism
[MESH]
|Diabetes Mellitus, Type 2/genetics/*metabolism
[MESH]