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A Thorough Introduction of Wnt/β-Catenin Signaling Pathway

Posted by Lingyi Tong on Jan 30, 2020 5:51:47 PM

The Wnt signaling pathway, an evolutionarily conserved signal transduction pathway, is widely present in invertebrates and vertebrates. The Wnt signaling pathway plays a crucial role in early embryonic development, organogenesis, tissue repair, and many other physiological processes. The mutation of key proteins involved in this pathway can lead to abnormal activation of signals, and potentially induces the occurrence of cancer. In 1982, R. Nusse and H.E. Varmus identified the first Wnt gene from a mouse mammary tumor and named it Int1 (integration 1). Continued research found that the mouse Int and Drosophila Wingless (Wg) genes are homeotic, and thus combined their names to Wnt. H.E. Varmus himself also won the 1989 Nobel Prize in Physiology or Medicine for his great contribution in oncology.

CD Molecule Antibodies

Posted by Panyue (Penny) Hao on Feb 12, 2019 11:51:28 AM

CD molecules are cell surface markers that appear or disappear when cells (leukocytes, red blood cells, platelets, and vascular endothelial cells, etc.) differentiate or become different lineages, different segments of cells, become active or diseased. Most CD molecules are transmembrane proteins or glycoproteins, including extracellular regions, transmembrane regions, and cytoplasmic regions. Some CD molecules are "anchored" on the cell membrane by means of inositol phospholipids. A few CD molecules are carbohydrate haptens. The study of CD molecules can be used in many basic immunology research fields, such as the relationship between CD antigen structure and function, cell activation pathway, signal transduction and cell differentiation, etc. It can be used clinically for disease mechanism research, clinical diagnosis, disease prognosis, efficacy tracking and treatment, and more.

Key Targets in the Hippo Pathway

Posted by Panyue (Penny) Hao on Jan 15, 2019 12:32:35 PM

The Hippo signal is very conservative in evolution. It regulates organ size and tissue stability by regulating cell proliferation, apoptosis, and stem cell renewal. The core process of Hippo signaling is a kinase tandem process, Mst1/2 and Sav1 form a complex, phosphorylate and activate Lats1/2; Lats1/2 kinase then phosphorylates and inhibits transcriptional coactivators Yap and Taz. Yap and Taz are the most important effectors downstream of the Hippo pathway. Upon dephosphorylation, Yap and Taz translocate to the nucleus and interact with TEAD1-4 or other transcription factors (such as CTGF) to induce gene expression, thereby initiating cell proliferation and inhibiting apoptosis.

Featured Product Weekly: MAPK/ERK Pathway Antibody

Posted by Panyue (Penny) Hao on Sep 4, 2018 6:05:05 PM

ERK1/2 (MAPK1/MAPK3, p44/42MAPK) are members of the mitogen-activated protein kinase family (MAPKs) that are commonly located in the cytoplasm. They act as catalysts in the phosphorylation of serine/threonine and are negatively regulated by the bispecific (Thr/Tyr) MAPK phosphatase family (called DUSP or MKP) and MEK inhibitors (such as U0126 and PD98059).