Indispensable for the control of thyroid structure and metabolism

Secreted

Hypothyroidism, congenital, non-goitrous, 4

A form of central hypothyroidism, a disorder characterized by insufficient stimulation by thyroid stimulating hormone of an otherwise normal thyroid gland. CHNG4 is an autosomal recessive form characterized by isolated thyrotropin deficiency that, if untreated, results in severe growth retardation and intellectual disability.

Required for the normal development of the forebrain, eyes and other anterior structures such as the olfactory placodes and pituitary gland. Possible transcriptional repressor. Binds to the palindromic PIII sequence, 5'-AGCTTGAGTCTAATTGAATTAACTGTAC-3'. HESX1 and PROP1 bind as heterodimers on this palindromic site, and, in vitro, HESX1 can antagonize PROP1 activation

Nucleus

Septooptic dysplasia

A clinically heterogeneous disorder defined by any combination of optic nerve hypoplasia, pituitary gland hypoplasia with panhypopopituitarism, and midline abnormalities of the brain, including absence of the corpus callosum and septum pellucidum.

Transcription factor involved in the specification of the lactotrope, somatotrope, and thyrotrope phenotypes in the developing anterior pituitary. Specifically binds to the consensus sequence 5'-TAAAT-3'. Activates growth hormone and prolactin genes (PubMed:22010633, PubMed:26612202)

Nucleus

Pituitary hormone deficiency, combined, 1

Combined pituitary hormone deficiency is defined as the impaired production of growth hormone and one or more of the other five anterior pituitary hormones. CPHD1 is characterized by pleiotropic deficiencies of growth hormone, prolactin and thyroid-stimulating hormone, while the production of adrenocorticotropic hormone, luteinizing hormone, and follicle-stimulating hormone are preserved. In infancy severe growth deficiency from birth as well as distinctive facial features with prominent forehead, marked midfacial hypoplasia with depressed nasal bridge, deep-set eyes, and a short nose with anteverted nostrils and hypoplastic pituitary gland by MRI examination can be seen. Some cases present with severe intellectual disability along with short stature.

Transcription factor. Recognizes and binds to the consensus sequence motif 5'-AATTAATTA-3' in the regulatory elements of target genes, such as glycoprotein hormones alpha chain CGA and visual system homeobox CHX10, positively modulating transcription; transcription can be co-activated by LDB2. Synergistically enhances transcription from the prolactin promoter in cooperation with POU1F1/Pit-1 (By similarity). Required for the establishment of the specialized cells of the pituitary gland and the n

Nucleus

Pituitary hormone deficiency, combined, 3

Combined pituitary hormone deficiency is defined as the impaired production of growth hormone and one or more of the other five anterior pituitary hormones. CPHD3 is characterized by a complete deficit in all but one (adrenocorticotropin) anterior pituitary hormone and a rigid cervical spine leading to limited head rotation.

Possibly involved in the ontogenesis of pituitary gonadotropes, as well as somatotropes, lactotropes and caudomedial thyrotropes

Nucleus

Pituitary hormone deficiency, combined, 2

Combined pituitary hormone deficiency is defined as the impaired production of growth hormone and one or more of the other five anterior pituitary hormones. CPHD2 is characterized by pleiotropic deficiencies of growth hormone, thyroid-stimulating hormone, follicle-stimulating hormone, luteinizing hormone, prolactin and adrenocorticotropic hormone.

As a component of the hypothalamic-pituitary-thyroid axis, it controls the secretion of thyroid-stimulating hormone (TSH) and is involved in thyroid hormone synthesis regulation. It also operates as modulator of hair growth. It promotes hair-shaft elongation, prolongs the hair cycle growth phase (anagen) and antagonizes its termination (catagen) by TGFB2. It stimulates proliferation and inhibits apoptosis of hair matrix keratinocytes

Secreted

May play a critical role in the development of respiratory control mechanisms and in the normal growth and maturation of the lung. Binds preferentially to methylated DNA (PubMed:28473536)

Nucleus

Pituitary hormone deficiency, combined, 4

Combined pituitary hormone deficiency is defined as the impaired production of growth hormone and one or more of the other five anterior pituitary hormones. CPHD4 is characterized by complete or partial deficiencies of growth hormone, thyroid-stimulating hormone, luteinizing hormone, follicle stimulating hormone and adrenocorticotropic hormone. Clinical features include short stature, cerebellar defects, and small sella turcica.

Receptor for thyrotropin-releasing hormone (TRH). Upon ligand binding, this G-protein-coupled receptor triggers activation of the phosphatidylinositol (IP3)-calcium-protein kinase C (PKC) pathway

Cell membrane

Hypothyroidism, congenital, non-goitrous, 7

A form of central hypothyroidism, a disorder characterized by sub-optimal thyroid hormone secretion, due to insufficient stimulation by thyrotropin of an otherwise normal thyroid gland. It may be caused by congenital or acquired disorders of the pituitary gland or hypothalamus. CHNG7 is a congenital, autosomal recessive form characterized by normal-to-low T4 and normal-to-high thyrotropin levels, and reduced or absent pituitary responsiveness to thyrotropin-releasing hormone. Patients may exhibit short stature, growth retardation, and delayed bone age, as well as lethargy or fatigue.

Seems to be a coreceptor in inhibin signaling, but seems not to be a high-affinity inhibin receptor. Antagonizes activin A signaling in the presence or absence of inhibin B (By similarity). Necessary to mediate a specific antagonistic effect of inhibin B on activin-stimulated transcription

MembraneSecreted

Hypothyroidism, central, and testicular enlargement

A disorder characterized by insufficient thyroid gland stimulation by thyroid stimulating hormone (TSH), resulting from hypothalamic and/or pituitary dysfunction. CHTE patients have delayed testosterone increase at puberty with normal testosterone levels in adulthood, normal testicular volume in childhood and enlarged testicles in adulthood.