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Intellectual disability (ID) is the hallmark of an extremely heterogeneous group of disorders that comprises a wide variety of syndromic and non‐syndromic phenotypes. Here, we report on mutations in two aminoacyl‐tRNA synthetases that are associated with ID in two unrelated Iranian families. In the first family, we identified a homozygous missense mutation (c.514G>A, p.Asp172Asn) in the cytoplasmic...
The monitoring of neuronal activity could potentially expand the diagnostic and therapeutic capabilities of neuroprosthesis. The challenge of designing sensing and control systems is two-fold: first, the signal input must be robust for chronic recording; second, the circuit architecture must be capable of achieving signal processing, algorithm control, and telemetry with a limited power budget. The...
This paper describes an amplification and spectral processing IC for extracting key bioelectrical signals, or ldquobiomarkersrdquo, which are expressed in the brain's field potentials. The intent is to explore using these biomarkers to drive prosthetic actuators or titrate therapy devices such as a deep-brain neurostimulator. The prototype IC uses 5 muW/channel to resolve signals on the order of 1...
We investigated the role of mouse adenovirus type 1 (MAV-1) early region 1A (E1A) protein in adenovirus respiratory infection. Intranasal (i.n.) inoculation of mice with wild type (wt) virus induced chemokine and cellular inflammatory responses in the lung. We observed similar responses in mice infected with an E1A-null mutant virus at the same dose, although the magnitude of these responses was lower...
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