Results 21 to 30 of about 6,154 (176)

Semaphorins and their receptors in pancreatic cancer: Mechanisms and therapeutic opportunities

open access: yesFrontiers in Oncology, 2023
Pancreatic cancer (PC) is a malignant tumor with high malignancy that is difficult to diagnose and treat. PC is a major medical problem because of its low early diagnosis rate, high surgical mortality rate, low cure rate, and expensive related testing ...
Dahai Liu   +4 more
doaj   +1 more source

Association of Immune Semaphorins with COVID-19 Severity and Outcomes

open access: yesBiomedicines, 2023
Semaphorins have recently been recognized as crucial modulators of immune responses. In the pathogenesis of COVID-19, the activation of immune responses is the key factor in the development of severe disease. This study aimed to determine the association
Martina Vargovic   +4 more
doaj   +1 more source

Axon Guidance Molecules and Pain

open access: yesCells, 2022
Chronic pain is a debilitating condition that influences the social, economic, and psychological aspects of patients’ lives. Hence, the need for better treatment is drawing extensive interest from the research community.
Elisa Damo, Manuela Simonetti
doaj   +1 more source

Semaphorins and tumor angiogenesis [PDF]

open access: yesAngiogenesis, 2009
Semaphorins belong to a large family of proteins well-conserved along evolution from viruses to mammalians. Secreted and membrane-bound semaphorins participate in a wide range of biological phenomena including development and regeneration of nervous system, cardiovascular development, and immune system activities.
Serini, Guido   +3 more
openaire   +2 more sources

Semaphorin Signaling in the Development and Function of the Gonadotropin Hormone-Releasing Hormone (GnRH) System

open access: yesFrontiers in Endocrinology, 2013
The semaphorin proteins are among the best-studied families of guidance cues, contributing to morphogenesis and homeostasis in a wide range of tissue types.
Andrea eMessina, Paolo eGiacobini
doaj   +1 more source

Semaphorin 4C accelerates disease progression and enables disease detection in breast cancer

open access: yesVisualized Cancer Medicine, 2023
Semaphorins constitute a diverse family of widely expressed transmembrane, diffusible, and GPI-linked proteins with versatile physiologic functions in orchestrating nerve system development, immune homeostasis, angiogenesis, and cell metabolism ...
Li Huayi   +5 more
doaj   +1 more source

Semaphorin Breaks Symmetry [PDF]

open access: yesNeuron, 2011
Axon-dendrite polarity is likely instructed by extrinsic cues in the developing nervous system, though the mechanisms governing this process remain to be fully elucidated. In this issue of Neuron, Shelly et al. show that the axon guidance cue Semaphorin 3A can promote dendrite growth by inhibiting axon specification.
Howell, Audrey S., Shen, Kang
openaire   +2 more sources

Neuroimmune semaphorins as costimulatory molecules and beyond

open access: yesMolecular Medicine, 2018
Several neuronal guidance proteins, known as semaphorin molecules, function in the immune system. This dual tissue performance has led to them being defined as “neuroimmune semaphorins”.
Svetlana P. Chapoval
doaj   +1 more source

Semaphorin Regulation by the Chromatin Remodeler CHD7: An Emerging Genetic Interaction Shaping Neural Cells and Neural Crest in Development and Cancer

open access: yesFrontiers in Cell and Developmental Biology, 2021
CHD7 is a chromatin remodeler protein that controls gene expression via the formation of multi-protein complexes with specific transcription factors.
Antonella Lettieri   +9 more
doaj   +1 more source

Expression of neuroimmune semaphorins 4A and 4D and their receptors in the lung is enhanced by allergen and vascular endothelial growth factor

open access: yesBMC Immunology, 2011
Background Semaphorins were originally identified as molecules regulating a functional activity of axons in the nervous system. Sema4A and Sema4D were the first semaphorins found to be expressed on immune cells and were termed "immune semaphorins". It is
Keegan Achsah D   +5 more
doaj   +1 more source

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