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Carotid Bodies:Use of Chemosensitivity as a Biomarker in Prediabetes

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Biomarkers in Diabetes

Abstract

The carotid bodies (CBs) play a role as metabolic sensors being deeply involved in the genesis of dysmetabolic states. CB activity was shown to be increased in prediabetes and type 2 diabetes animal models and also in prediabetic patients. Furthermore, abolishment of CB activity, via carotid sinus nerve surgical resection, both prevents and reverses pathological metabolic disease features in animal models.

Herein, we review in a concise manner the pathways linking CB chemoreceptor dysfunction to the pathogenesis of metabolic diseases and describe the methods available to evaluate CB chemosensitivity, postulated to be directly related to metabolic dysfunction. Moreover, we describe the biomarkers used to diagnose prediabetes and introduce the CB, as a novel biomarker for its early screening. A final section is devoted to debate the applications of CB chemosensitivity evaluation, not only as a biomarker for early screening of prediabetes but also to identify subgroups of patients that will benefit from therapeutics directed to modulate CB activity.

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Abbreviations

ADA:

American Diabetes Association

BMI:

Body mass index

CB:

Carotid body

CCA:

Common carotid artery

CSN:

Carotid sinus nerve

EASD:

European Association for the Study of Diabetes

FINDRISC:

Finnish Diabetes Risk Score

FiO2:

Oxygen fraction in inspired air

HbA1c:

Glycated hemoglobin

HF:

High fat

HOMA:

Homeostatic model assessment

HR:

Heart rate

HVR:

Hypoxic ventilatory response

IDF:

International Diabetes Federation

IFG:

Impaired fasting glucose

iGlu:

Interstitial glucose

IGT:

Impaired glucose tolerance

IL:

Interleukin

NTS:

Nucleus of tractus solitarius

OGTT:

Oral glucose tolerance test

OSA:

Obstructive sleep apnea

RR:

Respiratory rate

SNS:

Sympathetic nervous system

SpO2:

Peripheral oxygen saturation

T2D:

Type 2 diabetes

TNF-α:

Tumor necrosis factor alpha

WHO:

World Health Organization

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Correspondence to Silvia V. Conde .

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Conde, S.V., Lages, M., Guarino, M.P., Sacramento, J.F. (2022). Carotid Bodies:Use of Chemosensitivity as a Biomarker in Prediabetes. In: Patel, V.B., Preedy, V.R. (eds) Biomarkers in Diabetes. Biomarkers in Disease: Methods, Discoveries and Applications. Springer, Cham. https://doi.org/10.1007/978-3-030-81303-1_38-1

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  • DOI: https://doi.org/10.1007/978-3-030-81303-1_38-1

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  • Publisher Name: Springer, Cham

  • Print ISBN: 978-3-030-81303-1

  • Online ISBN: 978-3-030-81303-1

  • eBook Packages: Springer Reference Biomedicine and Life SciencesReference Module Biomedical and Life Sciences

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