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Sema4a encodes a member of the semaphorin family of soluble and transmembrane proteins.
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Here we show three families with retinal degeneration in which unaffected family members are either homozygous or heterozygous for the variant. The p.R713Q variant in SEMA4A is insufficient to cause either autosomal recessive or autosomal dominant retinitis pigmentosa and is unlikely to be pathogenic.
ILT-4 (zeige LILRB2 ELISA Kits) is a receptor for hSEMA4A)on activated CD4 (zeige CD4 ELISA Kits)(+) T cells. hSEMA4A is highly expressed in human asthmatic lung tissue.
Suggest a role for Plexin-B1 (zeige PLXNB1 ELISA Kits) as a ligand and Sema4A as a receptor and characterize a reverse signaling pathway downstream of Sema4A regulating cell migration via Scrib (zeige SCRIB ELISA Kits).
SEMA (zeige SEMA3B ELISA Kits) 4A confers doxorubicin resistance on hepatocellular carcinoma by inducing epithelialemesenchymal transition.
In this review, we summarized the current findings on neuroimmune Sema4A and Sema4D (zeige SEMA4D ELISA Kits) molecules in chronic inflammation underlying many diseases and discussed their positive or negative impacts on the implicated molecular and cellular processes
Sema4A activated the Akt (zeige AKT1 ELISA Kits) pathway via Plexin D1 (zeige PLXND1 ELISA Kits) receptor in lung fibroblasts.Lung fibroblasts show elevated levels of Sema4A expression in systemic sclerosis patients.
Data suggest that increased expression of semaphorin 4A (Sema4A) is required to promote inflammation of rheumatoid arthritis (RA).
Germline variants in SEMA4A predispose to familial colorectal cancer type X.
PACAP (zeige ADCYAP1 ELISA Kits) released from retinal neural cells (photoreceptors or optic nerve cells) may regulate Sema4A expression in retinal pigment epithelial cells and thereby contribute to the maintenance of retinal structure and function.
These results indicate the importance of the Sema4A protein conformation in human and mouse retina homeostasis.
SEMA4A is required for optimal activation of mTORC1 in CD8 (zeige CD8A ELISA Kits)+ T cells.
Treg-cell stability can be subverted in certain inflammatory sites, but is maintained by a Sema4a-Nrp1 (zeige NRP1 ELISA Kits) axis-- this pathway is a potential therapeutic target that could limit Treg-cell-mediated tumour-induced tolerance without inducing autoimmunity
Data indicate that both semaphorin 4A mRNA and protein were clearly detected on the earliest progenitors and were downregulated through thymic development.
A fraction of Sema4a-deficient transgenic BALB/c mice spontaneously develop skin lesions resembling atopic dermatitis (AD) in humans.
These data provide a new insight into Sema4A biology and define Sema4A as an important regulator of Th2-driven lung pathophysiology.
Sema4A activates a specialized and restricted genetic program in macrophages able to sustain angiogenesis and participates in their recruitment and activation in inflammatory injuries.
Sema4A regulates two distinct endosomal-sorting pathways that are critical for photoreceptor survival and phototransduction during the transition between daylight and darkness.
experiments using knockout mice revealed that Sema4A but not Sema7A (zeige SEMA7A ELISA Kits) was required for the effect produced by Th1 (zeige HAND1 ELISA Kits) cells on neurite outgrowth from cortical neurons.
This gene encodes a member of the semaphorin family of soluble and transmembrane proteins. Semaphorins are involved in numerous functions, including axon guidance, morphogenesis, carcinogenesis, and immunomodulation. The encoded protein is a single-pass type I membrane protein containing an immunoglobulin-like C2-type domain, a PSI domain and a sema domain. It inhibits axonal extension by providing local signals to specify territories inaccessible for growing axons. It is an activator of T-cell-mediated immunity and suppresses vascular endothelial growth factor (VEGF)-mediated endothelial cell migration and proliferation in vitro and angiogenesis in vivo. Mutations in this gene are associated with retinal degenerative diseases including retinitis pigmentosa type 35 (RP35) and cone-rod dystrophy type 10 (CORD10). Multiple alternatively spliced transcript variants encoding different isoforms have been identified.
, sema domain, immunoglobulin domain (Ig), transmembrane domain (TM) and short cytoplasmic domain, (semaphorin) 4A
, sema B
, semaphorin 4A