Gut-seeded α-synuclein fibrils promote gut dysfunction and brain pathology specifically in aged mice
Parkinson’s disease is a synucleinopathy that is characterized by motor dysfunction, death
of midbrain dopaminergic neurons and accumulation of α-synuclein (α-Syn) aggregates. …
of midbrain dopaminergic neurons and accumulation of α-synuclein (α-Syn) aggregates. …
Systemic AAV vectors for widespread and targeted gene delivery in rodents
RC Challis, S Ravindra Kumar, KY Chan, C Challis… - Nature protocols, 2019 - nature.com
We recently developed adeno-associated virus (AAV) capsids to facilitate efficient and
noninvasive gene transfer to the central and peripheral nervous systems. However, a detailed …
noninvasive gene transfer to the central and peripheral nervous systems. However, a detailed …
Adeno-associated virus toolkit to target diverse brain cells
RC Challis, S Ravindra Kumar, X Chen… - Annual review of …, 2022 - annualreviews.org
Recombinant adeno-associated viruses (AAVs) are commonly used gene delivery vehicles
for neuroscience research. They have two engineerable features: the capsid (outer protein …
for neuroscience research. They have two engineerable features: the capsid (outer protein …
[HTML][HTML] Identification of peripheral neural circuits that regulate heart rate using optogenetic and viral vector strategies
PS Rajendran, RC Challis, CC Fowlkes… - Nature …, 2019 - nature.com
Heart rate is under the precise control of the autonomic nervous system. However, the wiring
of peripheral neural circuits that regulate heart rate is poorly understood. Here, we develop …
of peripheral neural circuits that regulate heart rate is poorly understood. Here, we develop …
[PDF][PDF] An olfactory cilia pattern in the mammalian nose ensures high sensitivity to odors
In many sensory organs, specialized receptors are strategically arranged to enhance
detection sensitivity and acuity. It is unclear whether the olfactory system utilizes a similar …
detection sensitivity and acuity. It is unclear whether the olfactory system utilizes a similar …
[PDF][PDF] Glutamate in primary afferents is required for itch transmission
…, M Gautam, J Bhattarai, W Olson, K Beattie, RC Challis… - Neuron, 2022 - cell.com
Whether glutamate or itch-selective neurotransmitters are used to confer itch specificity is still
under debate. We focused on an itch-selective population of primary afferents expressing …
under debate. We focused on an itch-selective population of primary afferents expressing …
Chitinase-like protein Ym2 (Chil4) regulates regeneration of the olfactory epithelium via interaction with inflammation
…, X Zhang, H Tian, JP Bhattarai, RC Challis… - Journal of …, 2021 - Soc Neuroscience
The adult olfactory epithelium (OE) regenerates sensory neurons and nonsensory
supporting cells from resident stem cells after injury. How supporting cells contribute to OE …
supporting cells from resident stem cells after injury. How supporting cells contribute to OE …
Sour taste finds closure in a potassium channel
RC Challis, M Ma - Proceedings of the National Academy of …, 2016 - National Acad Sciences
Taste cells in taste buds of the mammalian tongue and oral cavity can detect five basic
modalities: sweet, bitter, umami, salty, and sour. Each taste cell expresses distinct molecular …
modalities: sweet, bitter, umami, salty, and sour. Each taste cell expresses distinct molecular …
Widespread and targeted gene expression by systemic AAV vectors: Production, purification, and administration
We recently developed novel AAV capsids for efficient and noninvasive gene transfer across
the central and peripheral nervous systems. In this protocol, we describe how to produce …
the central and peripheral nervous systems. In this protocol, we describe how to produce …
[HTML][HTML] Genetic ablation of type III adenylyl cyclase exerts region-specific effects on cilia architecture in the mouse nose
RC Challis, H Tian, W Yin, M Ma - PLoS One, 2016 - journals.plos.org
We recently reported that olfactory sensory neurons in the dorsal zone of the mouse olfactory
epithelium exhibit drastic location-dependent differences in cilia length. Furthermore, …
epithelium exhibit drastic location-dependent differences in cilia length. Furthermore, …