Page last updated: 2024-10-24

regulation of protein localization to cell leading edge

Definition

Target type: biologicalprocess

Any process that modulates the frequency, rate or extent of protein localization to cell leading edge. [GO_REF:0000058, GOC:TermGenie, PMID:26324884]

The regulation of protein localization to the cell leading edge is a complex and tightly controlled process that is crucial for a variety of cellular functions, including cell migration, cell division, and signal transduction. The leading edge of a migrating cell is characterized by a dynamic and highly organized structure known as the lamellipodium, which is responsible for pushing the cell forward.

The localization of proteins to the leading edge is driven by a combination of factors, including:

1. **Cytoskeletal dynamics:** The lamellipodium is rich in actin filaments, which are constantly being assembled and disassembled to drive protrusion. Proteins that bind to actin, such as Arp2/3 complex, WASP family proteins, and profilins, are localized to the leading edge to promote actin polymerization.

2. **Lipid signaling:** Phosphoinositides, such as phosphatidylinositol (4,5)-bisphosphate (PIP2), are enriched at the leading edge and play a critical role in regulating protein localization and actin dynamics. Proteins that bind to PIP2, such as the Rac GTPases, are recruited to the leading edge and activate downstream signaling pathways that promote lamellipodial protrusion.

3. **Molecular motors:** Myosin II, a motor protein that generates force by binding to actin filaments, is excluded from the leading edge, ensuring that the lamellipodial protrusion is not inhibited by contractile forces.

4. **Signal transduction pathways:** Various signaling pathways, including the Rho GTPase signaling pathway and the PI3K pathway, are activated at the leading edge and regulate the localization and activity of proteins involved in lamellipodial protrusion.

5. **Polarity cues:** Cells can sense directional cues from their environment, such as gradients of chemoattractants, which can induce a polarized distribution of proteins at the leading edge.

The precise mechanisms by which these factors cooperate to regulate protein localization to the leading edge are still being investigated, but it is clear that this process is essential for proper cell function.

In summary, the regulation of protein localization to the cell leading edge is a multi-faceted process that involves a complex interplay of cytoskeletal dynamics, lipid signaling, molecular motors, signal transduction pathways, and polarity cues. This process is essential for a wide range of cellular functions, including cell migration, cell division, and signal transduction.'
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Proteins (1)

ProteinDefinitionTaxonomy
Endothelin-1 receptorAn endothelin-1 receptor that is encoded in the genome of human. [PRO:WCB, UniProtKB:P25101]Homo sapiens (human)

Compounds (44)

CompoundDefinitionClassesRoles
amiodaroneamiodarone : A member of the class of 1-benzofurans that is 1-benzofuran substituted by a butyl group at position 2 and a 4-[2-(diethylamino)ethoxy]-3,5-diiodobenzoyl group at position 3. It is a cardiovascular drug used for the treatment of cardiac dysrhythmias.

Amiodarone: An antianginal and class III antiarrhythmic drug. It increases the duration of ventricular and atrial muscle action by inhibiting POTASSIUM CHANNELS and VOLTAGE-GATED SODIUM CHANNELS. There is a resulting decrease in heart rate and in vascular resistance.
1-benzofurans;
aromatic ketone;
organoiodine compound;
tertiary amino compound
cardiovascular drug
avaproirbesartan : A biphenylyltetrazole that is an angiotensin II receptor antagonist used mainly for the treatment of hypertension.

Irbesartan: A spiro compound, biphenyl and tetrazole derivative that acts as an angiotensin II type 1 receptor antagonist. It is used in the management of HYPERTENSION, and in the treatment of kidney disease.
azaspiro compound;
biphenylyltetrazole
angiotensin receptor antagonist;
antihypertensive agent;
environmental contaminant;
xenobiotic
mianserinmianserin : A dibenzoazepine (specifically 1,2,3,4,10,14b-hexahydrodibenzo[c,f]pyrazino[1,2-a]azepine) methyl-substituted on N-2. Closely related to (and now mostly superseded by) the tetracyclic antidepressant mirtazapinean, it is an atypical antidepressant used in the treatment of depression throughout Europe and elsewhere.

Mianserin: A tetracyclic compound with antidepressant effects. It may cause drowsiness and hematological problems. Its mechanism of therapeutic action is not well understood, although it apparently blocks alpha-adrenergic, histamine H1, and some types of serotonin receptors.
dibenzoazepineadrenergic uptake inhibitor;
alpha-adrenergic antagonist;
antidepressant;
EC 3.4.21.26 (prolyl oligopeptidase) inhibitor;
geroprotector;
H1-receptor antagonist;
histamine agonist;
sedative;
serotonergic antagonist
propranololpropranolol : A propanolamine that is propan-2-ol substituted by a propan-2-ylamino group at position 1 and a naphthalen-1-yloxy group at position 3.

Propranolol: A widely used non-cardioselective beta-adrenergic antagonist. Propranolol has been used for MYOCARDIAL INFARCTION; ARRHYTHMIA; ANGINA PECTORIS; HYPERTENSION; HYPERTHYROIDISM; MIGRAINE; PHEOCHROMOCYTOMA; and ANXIETY but adverse effects instigate replacement by newer drugs.
naphthalenes;
propanolamine;
secondary amine
anti-arrhythmia drug;
antihypertensive agent;
anxiolytic drug;
beta-adrenergic antagonist;
environmental contaminant;
human blood serum metabolite;
vasodilator agent;
xenobiotic
sulfathiazolesulfathiazole : A 1,3-thiazole compound having a 4-aminobenzenesulfonamido group at the 2-position.

Sulfathiazole: A sulfathiazole compound that is used as a short-acting anti-infective agent. It is no longer commonly used systemically due to its toxicity, but may still be applied topically in combination with other drugs for the treatment of vaginal and skin infections, and is still used in veterinary medicine.
1,3-thiazoles;
substituted aniline;
sulfonamide;
sulfonamide antibiotic
antiinfective agent;
drug allergen;
EC 2.5.1.15 (dihydropteroate synthase) inhibitor;
environmental contaminant;
xenobiotic
sulfisoxazolesulfisoxazole : A sulfonamide antibacterial with an oxazole substituent. It has antibiotic activity against a wide range of gram-negative and gram-positive organisms.

Sulfisoxazole: A short-acting sulfonamide antibacterial with activity against a wide range of gram- negative and gram-positive organisms.
isoxazoles;
sulfonamide;
sulfonamide antibiotic
antibacterial drug;
drug allergen
bosentan anhydrousBosentan: A sulfonamide and pyrimidine derivative that acts as a dual endothelin receptor antagonist used to manage PULMONARY HYPERTENSION and SYSTEMIC SCLEROSIS.primary alcohol;
pyrimidines;
sulfonamide
antihypertensive agent;
endothelin receptor antagonist
1h-indene-2-carboxylic acid, 1-(1,3-benzodioxol-5-yl)-3-(2- (carboxymethoxy)-4-methoxyphenyl)-2,3-dihydro-5-propoxy-, (1s,2r,3s)-1H-Indene-2-carboxylic acid, 1-(1,3-benzodioxol-5-yl)-3-(2- (carboxymethoxy)-4-methoxyphenyl)-2,3-dihydro-5-propoxy-, (1S,2R,3S)-: an ET(A) and ET(B) endothelin receptor antagonist; structure in first source
ro 46-2005Ro 46-2005: an orally active non-peptide antagonist of endothelin receptors; structure given in first source
pd 142893PD 142893: functional antagonist of endothelin-stimulated vasoconstriction
5-(dimethylamino)-n-(3,4-dimethyl-5-isoxazolyl)-1-naphthalenesulfonamide5-(dimethylamino)-N-(3,4-dimethyl-5-isoxazolyl)-1-naphthalenesulfonamide: structure in first source; endothelin receptor antagonistnaphthalenes;
sulfonic acid derivative
tak 044TAK 044: endothelin receptor antagonist
endothelin (16-21)endothelin (16-21): C-terminal hexapeptide of endothelin; amino acid seq. given in first sourcepeptide
tezosentantezosentan: structure in first source
bms 207940N-((2'-(((4,5-dimethyl-3-isoxazolyl)amino)sulfonyl)-4-(2-oxazolyl)(1,1'-biphenyl)-2-yl)methyl)-N,3,3-trimethylbutanamide: an ET(A) receptor antagonist; structure in first source
atrasentanAtrasentan: A pyrrolidine and benzodioxole derivative that acts a RECEPTOR, ENDOTHELIN A antagonist. It has therapeutic potential as an antineoplastic agent and for the treatment of DIABETIC NEPHROPATHIES.pyrrolidines
lu 135252
enrasentanenrasentan : A member of the class of indanes that is 2,3-dihydro-1H-indene which is substituted by a 1,3-benzodioxol-5-yl group, carboxy group, 2-(2-hydroxyethoxy)-4-methoxyphenyl group and a propoxy group at positions 1S, 2R, 3S and 5, respectively. It is an orally active mixed endothelin A/B receptor antagonist with a 100-fold greater affinity for the endothelin A receptor. The drug was being developed by GSK for the treatment of congestive heart failure and pulmonary hypertension (clinical trials discontinued).

enrasentan: decreases ischemic brain injury; an endothelin A and B receptor antagonist; structure in first source
aromatic ether;
benzodioxoles;
indanes;
monocarboxylic acid;
monomethoxybenzene;
primary alcohol
antihypertensive agent;
endothelin receptor antagonist
2-[(4,6-dimethyl-2-pyrimidinyl)oxy]-3-methoxy-3,3-diphenylpropanoic aciddiarylmethane
tbc-11251sitaxsentan: endothelin A receptor antagonist; structure in first sourcebenzodioxoles
bq 123cyclo(Trp-Asp-Pro-Val-Leu): derived from the modification of a natural lead of BE-18257B, an endothelin A receptor antagonist; has neuroprotective activity; amino acid sequence given in first sourcecyclic peptide
a 192621A 192621: ET(B) receptor antagonist
irl 2500IRL 2500: Endothelin-B receptor antagonist; structure in first source
ro 46-8443Ro 46-8443: a non-peptide endothelin ET(B) receptor selective antagonist; structure given in first source
sulindac sulfonesulindac sulfone : A sulfone metabolite of sulindac that inhibits cell growth by inducing apoptosis independently of cyclooxygenase inhibition. It inhibits the development and induces regression of premalignant adenomatous polyps. Lipoxygenase and Cox-2 inhibitor.

sulindac sulfone: inhibits K-ras-dependent cyclooxygenase-2; sulfated analog of indomethacin;; CP248 is an antineoplastic agent that fosters microtubule depolymerization; structure in first source
monocarboxylic acid;
organofluorine compound;
sulfone
apoptosis inducer;
cyclooxygenase 2 inhibitor;
EC 1.13.11.34 (arachidonate 5-lipoxygenase) inhibitor
ro 47-8634Ro 47-8634: structure in first source
clazosentanclazosentan: endothelin A receptor antagonist used for cerebral vasospasm; structure in first source;
lu 224332felotaxel: an antineoplastic agent; structure in first source
lu 208075ambrisentan: an ET(A) receptor antagonist and antihypertensive agent; studied for use in pulmonary arterial hypertensiondiarylmethane
bms 193884
ci 1020
lu 302872LU 224332: endothelin-A/B receptor antagonist
bms 248360
zibotentanZD4054: a potent endothelin receptor A antagonist that inhibits ovarian carcinoma cell proliferationphenylpyridine
avosentanAvosentan: structure in first source
4-n-butyl-1-(4-(2-methylphenyl)-4-oxo-1-butyl)-piperidine hydrogen chloride
naluzotannaluzotan: an antidepressant and anti-anxiety agent; structure in first source
macitentanaromatic ether;
organobromine compound;
pyrimidines;
ring assembly;
sulfamides
antihypertensive agent;
endothelin receptor antagonist;
orphan drug
a 803467A 803467: an Nav1.8 sodium channel blocker; structure in first source
endothelin-1Endothelin-1: A 21-amino acid peptide produced in a variety of tissues including endothelial and vascular smooth-muscle cells, neurons and astrocytes in the central nervous system, and endometrial cells. It acts as a modulator of vasomotor tone, cell proliferation, and hormone production. (N Eng J Med 1995;333(6):356-63)
pd 156707
act-132577ACT-132577 : A member of the class of sulfamides in which one of the amino groups of sulfonamide is substituted by a 5-(4-bromophenyl)-6-{2-[(5-bromopyrimidin-2-yl)oxy]ethoxy}pyrimidin-4-yl group. An active metabolite of macitentan (obtained by oxidative depropylation), an orphan drug used for the treatment of pulmonary arterial hypertension.

aprocitentan: a macitentan metabolite
aromatic ether;
organobromine compound;
pyrimidines;
sulfamides
antihypertensive agent;
drug metabolite;
endothelin receptor antagonist;
xenobiotic metabolite
endothelins
nitd 609NITD 609: an antimalarial and coccidiostat; structure in first source