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. 2021 Dec 20;13(12):e20548. doi: 10.7759/cureus.20548

Table 1. Summary of some of the central peptides changes in AN.

AN: Anorexia nervosa; CSF: Cerebrospinal fluid; ND: No difference from healthy controls; Increased: Higher than healthy controls; Decreased: Lower than healthy controls; AGRP: Agouti-related peptide; BDNF: Brain-derived neurotrophic factor; CRH: Corticotropin-releasing hormone; TRH: Thyrotropin-releasing hormone; SRIF: Somatostatin; α-MSH: α-melanocyte-stimulating hormone; NPY: Neuropeptide Y

    Changes in AN   Reference
Acute Phase (AN) Weight restored (AN)
Plasma AGRP Increased No Difference Merle et al. (2011)       [33]
Serum BDNF                                                                                                                                                            Plasma BDNF Decreased               Increased Decreased Brandys et al. (2011) [34]
CSF CRH Increased Increased Hotta et al. (1986) [35]
Plasma Oxytocin                         Decreased   ND Lawson et al. (2012) [36]
CSF TRH Decreased Decreased Lesem et al. (1994) [37]
CSF SRIF                                                                                                                                         Plasma SRIF               Decreased           Increased ND Kaye et al. (1988) [38]  
Plasma α-MSH ND ND   Moriya et al. [39]
CSF NPY                                                                                                                                                 Plasma NPY              Increased                 ND          Increased                                                              ND                             Sedlackova et al. (2011) [40]
CSF Vasopressin                                                                                                                           Plasma Vasopressin                ND/Decreased  ND/Decreased ND/Decreased                                  ND/Decreased                 Gold et al. (1983) [41]