Zinc-α-2-Glycoprotein (AZGP1) can be found in blood plasma; seminal plasma; urine; sweat; saliva; liver; and epithelial cells of various human glands. AZGP1 has been proposed in the regulation of body weight; and the melanin production by normal and malignant melanocytes. AZGP1 stimulates lipid degradation in adipocytes and causes the extensive fat losses associated with some advanced cancers. AZGP1 has been reported to stimulate lipid breakdown and may have an important role in lipid homeostasis. Mature human AZGP1 consists of one MHC class I antigen region and a C2-type Ig-like domain. AZGP1 has two alternate splice forms; one shows a 66 amino acids substitution for the C-terminal 30 amino acids; the other one shows a nine Lys substitution for amino acid 151-298.
Zinc Finger BED Domain-Containing Protein 1 (ZBED1) contains one BED-type zinc finger and is found in the cell nucleus. ZBED1 is widely expressed, highly in heart, skeletal muscle, spleen and placenta. The expression of ZBED1 is usually linked to the cell cycle. During the G1/S phase, the expression is increasing. During the S/G2 phage, the expression reaches to the highest, and then decreasing. ZBED1 exists in homodimer forms, which can bind to 5’-TGTCCG[CT]GA[CT]A-3’ DNA elements, that can be found in the promoter regions of a number of gene related to cell proliferation.
Z-DNA Binding Protein 1 (ZBP1) is a protein with 2 DRADA repeats. ZBP1 is highly expressed in lymphatic tissues including lymph node, leukocytes, tonsil, bone marrow, and spleen. ZBP1 participates in the detection of viral and bacterial DNA from by the host's innate immune system. It plays a role in host defense against tumors and pathogens. ZBP1 Acts as a cytoplasmic DNA sensor which, when activated, induces the recruitment of TBK1 and IRF3 to its C-terminal region and activates the downstream interferon regulatory factor (IRF) and NF-kappa B transcription factors, leading to type-I interferon production. ZBP1-induced NF-kappaB activation probably involves the recruitment of the RHIM containing kinases RIPK1 and RIPK3.
Zinc Finger and BTB Domain-Containing Protein 17 (ZBTB17) belongs to the Kruppel C2H2-type zinc finger protein family. ZBTB17 may function as a housekeeping DNA-binding protein that regulates the expression of specific genes, it has been shown to bind to the promoters of adenovirus major late protein and cyclin D1 and activate transcription. ZBTB17 may has growth arrest activity, probably through inhibition of cell cycle progression. ZBTB17 required for early embryonic development during gastrulation. ZBTB17 induces cell arrest at G1, an effect mediated by its activation of the gene coding for P15INK4b. This effect is blocked by Myc, which displaces transcriptional coactivators bound to ZBTB17. Although the downregulation of ZBTB17 may contribute to Myc-induced cell transformation, the de-activation of ZBTB17 is absolutely essential for Myc-induced apoptosis.
Zinc finger and BTB domain-containing protein 9 is a protein-coding gene. ZBTB9 is a 473 amino acids protein that Contains 1 BTB (POZ) domain and 2 C2H2-type zinc fingers. Diseases associated with ZBTB9 include systemic lupus erythematosus, and lupus erythematosus. Zinc finger and BTB domain-containing protein 9 may be involved in transcriptional regulation.
Zymogen Granule Membrane Protein 16 (ZG16) belongs to the jacalin lectin family. ZG16 is highly expressed in liver and is detected at lower levels in colon, ileum and jejunum. ZG16 may play a role in protein trafficking. In addition, ZG16 may act as a linker molecule between the submembranous matrix on the luminal side of zymogen granule membrane (ZGM) and aggregated secretory proteins during granule formation in the TGN.
ZIC3, or zic family member 3, is a molecule that regulates early embryonic patterning in vertebrates. ZIC3 has putative roles in a number of developmental signalling pathways that have distinct roles in establishing the left-right axis. In addition, ZIC3 is also considered as target of MiR-564, a tumor suppressor in human lung cancer. Variants in the ZIC3 gene are rare, but have demonstrated their profound clinical significance in X-linked heterotaxy, affecting in particular male patients with abnormal arrangement of thoracic and visceral organs.
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