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A screen for protein tyrosine phosphatases (PTPs) expressed in the chick inner ear yielded a high proportion of clones encoding an avian ortholog of protein tyrosine phosphatase receptor Q (Ptprq), a receptor-like PTP. Ptprq was first identified as a transcript upregulated in rat kidney in response to glomerular nephritis and has recently been shown to be(More)
Type II procollagen is expressed as two splice forms. One form, type IIB, is synthesized by chondrocytes and is the major extracellular matrix component of cartilage. The other form, type IIA, contains an additional 69 amino acid cysteine-rich domain in the NH2-propeptide and is synthesized by chondrogenic mesenchyme and perichondrium. We have hypothesized(More)
The part of the proton spin Σ carried by u, d, s quarks is calculated in the framework of the QCD sum rules in the external fields. The operators up to dimension 9 are accounted. An important contribution comes from the operator of dimension 3, which in the limit of massless u, d, s quarks is equal to the derivative of QCD topological susceptibility χ ′(More)
α1a Adrenergic receptors (α1aARs) are the predominant AR subtype in human vascular smooth muscle cells (SMCs). α1aARs in resistance vessels are crucial in the control of blood pressure, yet the impact of naturally occurring human α1aAR genetic variants in cardiovascular disorders remains poorly understood. To this end, we present novel findings(More)
We investigate what can be learnt about the η-η ′ mixing by means of dispersive representation of axial anomaly. We show that our method leads to the strong bounds for the η − η ′ mixing angle: θ = −15.3 • ± 1 •. Moreover, our result manifests also a dramatic dependence of the width Γ η→2γ on the mixing angle θ. This property explains how the relatively(More)
The anomaly in the vacuum expectation value of the product of axial and two vector currents (AVV) in QCD is investigated. The goal is to determine from its value the π 0 → 2γ decay width with high precision. The sum rule for AVV formfactor is studied. The difference f π 0 − f π + caused by strong interaction is calculated and appears to be small. The π 0 −(More)
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