New Antibody Publications

Jiao et al. Differentiation defect in neural crest-derived smooth muscle cells in patients with aortopathy associated with bicuspid aortic valves. EBioMedicine (2016) 10:282-90. PMID: 27394642

Individuals with bicuspid aortic valves (BAV) are at a higher risk of developing thoracic aortic aneurysms (TAA) than patients with trileaflet aortic valves (TAV). Aneurysms associated with BAV most commonly involve the ascending aorta. Smooth muscle cells (SMCs) in the ascending and descending aorta arise from neural crest (NC) and paraxial mesoderm (PM), respectively. Scientists hypothesized defective differentiation of the neural crest stem cells (NCSCs)-derived SMCs but not paraxial mesoderm cells (PMCs)- derived SMCs contributes to the aortopathy associated with BAV. Induced pluripotent stem cells (iPSCs) from BAV/TAA patients were differentiated into NCSC-derived SMCs and showed decreased expression of a marker of SMC differentiation (MYH11) and impaired contraction. The scientists demonstrated that decreased differentiation and contraction of patient’s NCSC-derived SMCs may contribute to the aortopathy associated with BAV.

Anti-NGFr (ME20.4, p75) (Cat. #AB-N07) was used for the immunofluorescence staining and flow cytometry of NCSCs.

Amano et al. Immunohistochemical detection of corticotropin-releasing hormone (CRH) in the brain and pituitary of the hagfish, Eptatretus burgeri. Gen Comp Endocrinol 274:1-7. doi: 10.1016/j.ygcen.2018.12.005 PMID: 30571962

The distribution of corticotropin-releasing hormone (CRH) in the brain and pituitary of the hagfish Eptatretus burgeri, representing the earliest branch of vertebrates, was examined by immunohistochemistry to better understand the neuroendocrine system of hagfish. A rabbit polyclonal antibody raised against human/mouse/rat CRH (Cat. #AB-02) was used. A standard curve was obtained from 0.78 ng/ml to 50 ng/ml. The cross-reactivity of anti-CRH antibody against CRH family peptides was found to be less than 0.01%, indicating the specificity of the antibody. The specificity of the antibody raised against human/mouse/rat CRH was demonstrated by a TR-FIA and absorption test. CRH-ir cell bodies were detected in two brain regions; the preopticohypothalamic area (PO, POp, and Hyinf) and the medulla oblongata. CRH-ir fibers were mainly distributed in the hypothalamus and the medulla oblongata, in which CRH-ir cell bodies were detected.

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