Wenwen Cheng

Wavelength-swept green random laser enables non-mechanical beam steering

Wenwen Cheng, Jun Ye, Lei Du, Xiaoya Ma et autres

Beam steering technology, with its flexible directionality, holds significant application value in free-space optical communication, LiDAR, advanced manufacturing, medical laser surgery, and so on. However, conventional methods achieving beam steering face various challenges: mechanical regimes, fixed operating wavelengths, and—specifically—a lack of tunable …

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Harnessing Longitudinal Modes of a Fiber Laser for Nonlinear Effects Enhancement

Jun Ye, Lei Du, Wanru Zhang, Wenwen Cheng et autres

The manipulation of spectral-temporal characteristics continues to be a fundamental research focus in laser systems. In this study, leveraging the Vernier effect between two sets of longitudinal modes and a gain-mediated mode-selection mechanism in a fiber laser, we demonstrate controllable spectral transitions …

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Identification of the AP2/ERF transcription factor family of Eleutherococcus senticosus and its expression correlation with drought stress

Mengying Jiao, Jie Zhang, Wenwen Cheng, Xin Song et autres

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Hindbrain circuits in the control of eating behaviour and energy balance

Wenwen Cheng, Desiree Gordian, Mette Q. Ludwig, Tune H. Pers et autres

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NTS Prlh overcomes orexigenic stimuli and ameliorates dietary and genetic forms of obesity

Wenwen Cheng, Ermelinda Ndoka, Jessica N. Maung, Warren W. Pan et autres

Abstract Calcitonin receptor (Calcr)-expressing neurons of the nucleus tractus solitarius (NTS; CalcrNTS cells) contribute to the long-term control of food intake and body weight. Here, we show that Prlh-expressing NTS (PrlhNTS) neurons represent a subset of CalcrNTS cells and that Prlh expression …

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A genetic map of the mouse dorsal vagal complex and its role in obesity

Mette Q. Ludwig, Wenwen Cheng, Desiree Gordian, Julie Lee et autres

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196-LB: Synergetic and Distinct Roles in the Control of Food Intake and Energy Balance for Subpopulations of NTS Neurons

Wenwen Cheng, Ermelinda Ndoka, BASMA MAERZ, Karen J. Roelofs et autres

To understand hindbrain pathways involved in the control of food intake, we initially defined markers for distinct subsets of nucleus tractus solitarius (NTS) neurons that respond to food intake, including those that express calcitonin receptor (Calcr), leptin receptor (LepRb), or cholecystokinin (CCK). …

OR04-03 Calcitonin Receptor Expressing Neurons in the PVH Regulate Feeding Behavior

Ian E. Gonzalez, Wenwen Cheng, Warren W. Pan, Chunxia Lü et autres

Abstract The paraventricular nucleus of the hypothalamus (PVH) is a brain region crucial for energy homeostasis. Abnormal PVH development or damage leads to hyperphagic obesity and energy expenditure deficits underscoring the importance of PVH neuronal activity in energy balance control. Application of …

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Leptin receptor–expressing nucleus tractus solitarius neurons suppress food intake independently of GLP1 in mice

Wenwen Cheng, Ermelinda Ndoka, Chelsea R. Hutch, Karen J. Roelofs et autres

Leptin receptor-expressing (LepRb-expressing) neurons of the nucleus tractus solitarius (NTS; LepRbNTS neurons) receive gut signals that synergize with leptin action to suppress food intake. NTS neurons that express preproglucagon (Ppg) (and that produce the food intake-suppressing PPG cleavage product glucagon-like peptide-1 [GLP1]) …

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Proteasomal-Mediated Degradation of AKAP150 Accompanies AMPAR Endocytosis during cLTD

Wenwen Cheng, Dolores Siedlecki‐Wullich, Judit Català-Solsona, Cristina Fábregas et autres

The number and function of synaptic AMPA receptors (AMPARs) tightly regulates excitatory synaptic transmission. Current evidence suggests that AMPARs are inserted into the postsynaptic membrane during long-term potentiation (LTP) and are removed from the membrane during long-term depression (LTD). Dephosphorylation of GluA1 …

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Calcitonin Receptor Neurons in the Mouse Nucleus Tractus Solitarius Control Energy Balance via the Non-aversive Suppression of Feeding

Wenwen Cheng, Ian E. Gonzalez, Warren W. Pan, Anthony H. K. Tsang et autres

To understand hindbrain pathways involved in the control of food intake, we examined roles for calcitonin receptor (CALCR)-containing neurons in the NTS. Ablation of NTS Calcr abrogated the long-term suppression of food intake, but not aversive responses, by CALCR agonists. Similarly, activating …

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Identification of the leptin receptor sequences crucial for the STAT3-Independent control of metabolism

Tammy M. Barnes, Kimi Shah, Margaret B. Allison, Gabrielle K. Steinl et autres

BACKGROUND: Leptin acts via its receptor, LepRb, on specialized neurons in the brain to modulate energy balance and glucose homeostasis. LepRb→STAT3 signaling plays a crucial role in leptin action, but LepRb also mediates an additional as-yet-unidentified signal (Signal 2) that is important …

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