Page last updated: 2024-10-24

connective tissue replacement involved in inflammatory response wound healing

Definition

Target type: biologicalprocess

The series of events leading to growth of connective tissue when loss of tissues that are incapable of regeneration occurs, or when fibrinous exudate cannot be adequately cleared, as part of an inflammatory response. [GOC:jal, PMID:9639571]

Connective tissue replacement, a crucial phase of wound healing, follows the initial inflammatory response. This process involves a cascade of events aimed at restoring the structural integrity of damaged tissue.

1. **Fibroblast Activation:** Following injury, resident fibroblasts in the wound area are activated by signaling molecules released from inflammatory cells, such as growth factors and cytokines. Activated fibroblasts proliferate and migrate into the wound space.

2. **Extracellular Matrix Deposition:** Activated fibroblasts synthesize and deposit components of the extracellular matrix (ECM), which provides structural support and serves as a scaffold for tissue regeneration. Key ECM components include collagen, elastin, and proteoglycans.

3. **Collagen Fiber Formation:** Collagen, the most abundant protein in connective tissue, is initially deposited as thin, randomly oriented fibers. Over time, these fibers become thicker and more organized, forming a dense network that provides tensile strength to the healing wound.

4. **Remodeling and Maturation:** As wound healing progresses, the ECM undergoes remodeling. Enzymes like matrix metalloproteinases (MMPs) and tissue inhibitors of metalloproteinases (TIMPs) regulate the breakdown and deposition of ECM components, ensuring optimal tissue architecture.

5. **Scar Formation:** The final stage of wound healing often involves scar formation. Scar tissue, although structurally different from the original tissue, provides stability and prevents further tissue damage. However, excessive scar formation can lead to complications like contractures or keloids.

6. **Angiogenesis:** New blood vessel formation (angiogenesis) is essential for delivering nutrients and oxygen to the healing wound. Angiogenesis is stimulated by growth factors released during the inflammatory response and is crucial for supporting fibroblast activity and ECM deposition.

7. **Myofibroblast Differentiation:** A subset of fibroblasts differentiate into myofibroblasts, which express smooth muscle actin and contribute to wound contraction. This process helps to close the wound and reduce the area of tissue damage.

8. **Resolution of Inflammation:** As the wound heals, the inflammatory response gradually subsides. This is partly due to the production of anti-inflammatory cytokines and the clearance of inflammatory cells by the immune system.

Overall, connective tissue replacement during wound healing is a complex process that involves the coordinated action of various cells and signaling molecules. This intricate interplay ensures efficient tissue repair and the restoration of structural integrity to the damaged site.'
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Proteins (2)

ProteinDefinitionTaxonomy
Hypoxia-inducible factor 1-alphaA hypoxia-inducible factor 1-alpha that is encoded in the genome of human. [PRO:DNx, UniProtKB:Q16665]Homo sapiens (human)
Proteinase-activated receptor 1A proteinase-activated receptor 1 that is encoded in the genome of human. [PRO:WCB, UniProtKB:P25116]Homo sapiens (human)

Compounds (56)

CompoundDefinitionClassesRoles
ciclopiroxcyclic hydroxamic acid;
hydroxypyridone antifungal drug;
pyridone
antibacterial agent;
antiseborrheic
deferoxamineDeferoxamine: Natural product isolated from Streptomyces pilosus. It forms iron complexes and is used as a chelating agent, particularly in the mesylate form.

desferrioxamine B : An acyclic desferrioxamine that is butanedioic acid in which one of the carboxy groups undergoes formal condensation with the primary amino group of N-(5-aminopentyl)-N-hydroxyacetamide and the second carboxy group undergoes formal condensation with the hydroxyamino group of N(1)-(5-aminopentyl)-N(1)-hydroxy-N(4)-[5-(hydroxyamino)pentyl]butanediamide. It is a siderophore native to Streptomyces pilosus biosynthesised by the DesABCD enzyme cluster as a high affinity Fe(III) chelator.
acyclic desferrioxaminebacterial metabolite;
ferroptosis inhibitor;
iron chelator;
siderophore
carbonyl cyanide p-trifluoromethoxyphenylhydrazonecarbonyl cyanide p-trifluoromethoxyphenylhydrazone : A hydrazone that is hydrazonomalononitrile in which one of the hydrazine hydrogens is substituted by a p-trifluoromethoxyphenyl group.

Carbonyl Cyanide p-Trifluoromethoxyphenylhydrazone: A proton ionophore that is commonly used as an uncoupling agent in biochemical studies.
aromatic ether;
hydrazone;
nitrile;
organofluorine compound
ATP synthase inhibitor;
geroprotector;
ionophore
2-(4-morpholinyl)-8-phenyl-4h-1-benzopyran-4-one2-(4-morpholinyl)-8-phenyl-4H-1-benzopyran-4-one: specific inhibitor of phosphatidylinositol 3-kinase; structure in first sourcechromones;
morpholines;
organochlorine compound
autophagy inhibitor;
EC 2.7.1.137 (phosphatidylinositol 3-kinase) inhibitor;
geroprotector
ultram2-[(dimethylamino)methyl]-1-(3-methoxyphenyl)cyclohexanol : A tertiary alcohol that is cyclohexanol substituted at positions 1 and 2 by 3-methoxyphenyl and dimethylaminomethyl groups respectively.aromatic ether;
tertiary alcohol;
tertiary amino compound
3-(5'-hydroxymethyl-2'-furyl)-1-benzylindazole3-(5'-hydroxymethyl-2'-furyl)-1-benzylindazole: antineoplastic; activates platelet guanylate cyclase; a radiosensitizing agent and guanylate cyclase activator; structure in first source

lificiguat : A member of the class of indazoles that is 1H-indazole which is substituted by a benzyl group at position 1 and a 5-(hydroxymethyl)-2-furyl group at position 3. It is an activator of soluble guanylate cyclase and inhibits platelet aggregation.
aromatic primary alcohol;
furans;
indazoles
antineoplastic agent;
apoptosis inducer;
platelet aggregation inhibitor;
soluble guanylate cyclase activator;
vasodilator agent
strophanthidinStrophanthidin: 3 beta,5,14-Trihydroxy-19-oxo-5 beta-card-20(22)-enolide. The aglycone cardioactive agent isolated from Strophanthus Kombe, S. gratus and other species; it is a very toxic material formerly used as digitalis. Synonyms: Apocymarin; Corchorin; Cynotoxin; Corchorgenin.14beta-hydroxy steroid;
19-oxo steroid;
3beta-hydroxy steroid;
5beta-hydroxy steroid;
cardenolides;
steroid aldehyde
cycloheximidecycloheximide : A dicarboximide that is 4-(2-hydroxyethyl)piperidine-2,6-dione in which one of the hydrogens attached to the carbon bearing the hydroxy group is replaced by a 3,5-dimethyl-2-oxocyclohexyl group. It is an antibiotic produced by the bacterium Streptomyces griseus.

Cycloheximide: Antibiotic substance isolated from streptomycin-producing strains of Streptomyces griseus. It acts by inhibiting elongation during protein synthesis.
antibiotic fungicide;
cyclic ketone;
dicarboximide;
piperidine antibiotic;
piperidones;
secondary alcohol
anticoronaviral agent;
bacterial metabolite;
ferroptosis inhibitor;
neuroprotective agent;
protein synthesis inhibitor
acriflavine chloride3,6-diamino-10-methylacridinium chloride : The 10-methochloride salt of 3,6-diaminoacridine. Note that a mixture of this compound with 3,6-diaminoacridine (proflavine) is known as acriflavine or neutral acriflavine.organic chloride saltantibacterial agent;
antiseptic drug;
carcinogenic agent;
histological dye;
intercalator
emetineemetine : A pyridoisoquinoline comprising emetam having methoxy substituents at the 6'-, 7'-, 10- and 11-positions. It is an antiprotozoal agent and emetic. It inhibits SARS-CoV2, Zika and Ebola virus replication and displays antimalarial, antineoplastic and antiamoebic properties.

Emetine: The principal alkaloid of ipecac, from the ground roots of Uragoga (or Cephaelis) ipecacuanha or U. acuminata, of the Rubiaceae. It is used as an amebicide in many different preparations and may cause serious cardiac, hepatic, or renal damage and violent diarrhea and vomiting. Emetine inhibits protein synthesis in EUKARYOTIC CELLS but not PROKARYOTIC CELLS.
isoquinoline alkaloid;
pyridoisoquinoline
antiamoebic agent;
anticoronaviral agent;
antiinfective agent;
antimalarial;
antineoplastic agent;
antiprotozoal drug;
antiviral agent;
autophagy inhibitor;
emetic;
expectorant;
plant metabolite;
protein synthesis inhibitor
phenethyl isothiocyanatephenethyl isothiocyanate : An isothiocyanate having a phenethyl group attached to the nitrogen. It is a naturally occurring compound found in some cruciferous vegetables (e.g. watercress) and is known to possess anticancer properties.

phenethyl isothiocyanate: a dietary liver aldehyde dehydrogenase inhibitor; promotes urinary bladder carcinoma
isothiocyanateantineoplastic agent;
EC 1.2.1.3 [aldehyde dehydrogenase (NAD(+))] inhibitor;
metabolite
topotecantopotecan : A pyranoindolizinoquinoline used as an antineoplastic agent. It is a derivative of camptothecin and works by binding to the topoisomerase I-DNA complex and preventing religation of these 328 single strand breaks.

Topotecan: An antineoplastic agent used to treat ovarian cancer. It works by inhibiting DNA TOPOISOMERASES, TYPE I.
pyranoindolizinoquinolineantineoplastic agent;
EC 5.99.1.2 (DNA topoisomerase) inhibitor
ursolic acidhydroxy monocarboxylic acid;
pentacyclic triterpenoid
geroprotector;
plant metabolite
panaxadiolpanaxadiol: a protopanaxadiol with the side chain cyclized into a pyran which is an artifact of acidic hydrolysis; RN refers to (3 beta,12 beta,20R)-isomertriterpenoid saponin
cryptopleurinecryptopleurine : An organic heteropentacyclic compound that is (14aR)-11,12,13,14,14a,15-hexahydro-9H-dibenzo[f,h]pyrido[1,2-b]isoquinoline substituted at positions 2, 3 and 6 by methoxy groups.

cryptopleurine: plant bark alkaloid shown to inhibit protein synthesis; RN given refers to (R)-isomer; structure
alkaloid;
alkaloid antibiotic;
aromatic ether;
organic heteropentacyclic compound
antineoplastic agent;
antiviral agent;
protein synthesis inhibitor
tanshinonetanshinone: from root of Salvia miltiorrhiza Bunge; RN given refers to tanshinone I; cardioprotective agent and neuroprotective agentabietane diterpenoidanticoronaviral agent
celastrolmonocarboxylic acid;
pentacyclic triterpenoid
anti-inflammatory drug;
antineoplastic agent;
antioxidant;
EC 5.99.1.3 [DNA topoisomerase (ATP-hydrolysing)] inhibitor;
Hsp90 inhibitor;
metabolite
xestoquinonexestoquinone: structure given in first source; RN given refers to the (S)-isomer; RN for cpd without isomeric designation not available 5/91; isolated from the sea sponge Xestospongia sapra
omega-n-methylarginineN(omega)-methyl-L-arginine : A L-arginine derivative with a N(omega)-methyl substituent.

omega-N-Methylarginine: A competitive inhibitor of nitric oxide synthetase.
amino acid zwitterion;
arginine derivative;
guanidines;
L-arginine derivative;
non-proteinogenic L-alpha-amino acid
gl 331GL 331: structure in first source
tanshinone vitanshinone VI: isolated from the root of Salvia miltiorrhiza; structure in first source
cryptotanshinonecryptotanshinone: from Salvia miltiorrhizaabietane diterpenoidanticoronaviral agent
tanshinone ii atashinone IIA: a cardiovascular agent with antineoplastic activity; isolated from Salvia miltiorrhiza; structure in first sourceabietane diterpenoid
moracin mmoracin M: has been isolated from Morus alba L.; structure in first sourcebenzofurans
convallatoxinconvallatoxin : A cardenolide glycoside that consists of strophanthidin having a 6-deoxy-alpha-L-mannopyranosyl (L-rhamnosyl) group attached at position 3.

convallatoxin: PI: *CONVALLARIA (73-79)
14beta-hydroxy steroid;
19-oxo steroid;
5beta-hydroxy steroid;
alpha-L-rhamnoside;
steroid aldehyde;
steroid lactone
metabolite;
vasodilator agent
latrunculin alatrunculin A : A bicyclic macrolide natural product consisting of a 16-membered bicyclic lactone attached to the rare 2-thiazolidinone moiety. It is obtained from the Red Sea sponge Latrunculia magnifica and from the Fiji Islands sponge Cacospongia mycofijiensis. Latrunculin A inhibits actin polymerisation, microfilament organsation and microfilament-mediated processes.

latrunculin A: 16-membered macrolide attached to 2-thiazolidinone moiety; from Red Sea sponge Latrunculia magnifica; see also latrunculin B; structure given in first source
cyclic hemiketal;
macrolide;
oxabicycloalkane;
thiazolidinone
actin polymerisation inhibitor;
metabolite;
toxin
vu0099704VU0099704: an antagonist of protease activated receptor 4 (PAR-4); structure in first source
2-bromo-N-[3-(1-oxopropylamino)phenyl]benzamidebenzamides
2-bromo-N-[3-(1-oxobutylamino)phenyl]benzamidebenzamides
fm19g11FM19G11: structure in first sourcebenzamides
stattic1-benzothiophenes;
C-nitro compound;
sulfone
antineoplastic agent;
radiosensitizing agent;
STAT3 inhibitor
sch 79797quinazolines
vomifoliol(6S,9R)-vomifoliol : A (6S)-vomifoliol with a R configuration for the hydroxy group at position 9.

blumenol A: a phytotoxin isolated from Oryza sativa Awaakamai; structure in first source

vomifoliol : A fenchane monoterpenoid that is 3,5,5-trimethylcyclohex-2-en-1-one substituted by a hydroxy and a (1E)-3-hydroxybut-1-en-1-yl group at position 4.
(6S)-vomifoliolmetabolite;
phytotoxin
mammeisinneoflavonoidmetabolite
17-(dimethylaminoethylamino)-17-demethoxygeldanamycin17-(dimethylaminoethylamino)-17-demethoxygeldanamycin: structure in first source

alvespimycin : A 19-membered macrocyle that is geldanamycin in which the methoxy group attached to the benzoquinone moiety has been replaced by a 2-(N,N-dimethylamino)ethylamino group.
1,4-benzoquinones;
ansamycin;
carbamate ester;
secondary amino compound;
tertiary amino compound
Hsp90 inhibitor
morphineMeconium: The thick green-to-black mucilaginous material found in the intestines of a full-term fetus. It consists of secretions of the INTESTINAL GLANDS; BILE PIGMENTS; FATTY ACIDS; AMNIOTIC FLUID; and intrauterine debris. It constitutes the first stools passed by a newborn.morphinane alkaloid;
organic heteropentacyclic compound;
tertiary amino compound
anaesthetic;
drug allergen;
environmental contaminant;
geroprotector;
mu-opioid receptor agonist;
opioid analgesic;
plant metabolite;
vasodilator agent;
xenobiotic
bakuchiolbakuchiol: chief component of Psoralea corylifolia Linn; structure
tapentadolTapentadol: An opioid analgesic, MU OPIOID RECEPTOR agonist, and noradrenaline reuptake inhibitor that is used in the treatment of moderate to severe pain, and of pain associated with DIABETIC NEUROPATHIES.alkylbenzene
o-demethyltramadolalkylbenzene;
ring assembly
rwj-56110RWJ-56110: a PAR-1 antagonist; structure in first source
vorapaxarvorapaxar : A carbamate ester that is the ethyl ester of [(1R,3aR,4aR,6R,8aR,9S,9aS)-9-{(E)-2-[5-(3-fluorophenyl)pyridin-2-yl]ethynyl}-1-methyl-3-oxododecahydronaphtho[2,3-c]furan-6-yl]carbamic acid. A protease-activated receptor-1 antagonist used (as its sulfate salt) for the reduction of thrombotic cardiovascular events in patients with a history of myocardial infarction (MI) or with peripheral arterial disease. It has been shown to reduce the rate of a combined endpoint of cardiovascular death, MI, stroke and urgent coronary revascularisation.

vorapaxar: has antiplatelet activity; structure in first source
carbamate ester;
lactone;
naphthofuran;
organofluorine compound;
pyridines
cardiovascular drug;
platelet aggregation inhibitor;
protease-activated receptor-1 antagonist
chetomin
manassantin bmanassantin B : A lignan isolated from Saururus cernuus and Saururus chinensis and has been shown to exhibit antineoplastic activity.

manassantin B: isolated from the roots of Saururus chinensis; structure in first source
benzodioxoles;
dimethoxybenzene;
lignan;
oxolanes;
secondary alcohol
antineoplastic agent;
metabolite
e 5555E 5555: a 2-iminopyridine derivative and platelet aggregation inhibitoraromatic ketone
laurenditerpenollaurenditerpenol: from the tropical marine alga Laurenciaintricata; potently inhibits HIF-1 mediated hypoxic signaling in breast tumor cells; structure in first source
px 4782-amino-3-(4'-N,N-bis(2-chloroethyl)amino)phenylpropionic acid N-oxide: inhibits hypoxia-inducible factor-1alpha
103d5r103D5R: small-molecule inhibitor of the hypoxia-inducible factor 1 pathway; structure in first source
Dihydrotanshinone Idihydrotanshinone I: extracted from Radix Salviaeabietane diterpenoidanticoronaviral agent
zstk474ZSTK-474 : A triamino-1,3,5-triazine that is 1,3,5-triazine in which two of the hydrogens have been replaced by morpholin-4-yl groups while the third hydrogen has been replaced by a 2-(difluoromethyl)benzimidazol-1-yl group. It is an inhibitor of phosphatidylinositol 3-kinase.benzimidazoles;
morpholines;
organofluorine compound;
triamino-1,3,5-triazine
antineoplastic agent;
EC 2.7.1.137 (phosphatidylinositol 3-kinase) inhibitor
Moracin Pbenzofurans
3,4-dimethoxy-n-((2,2-dimethyl-2h-chromen-6-yl)methyl)-n-phenylbenzenesulfonamide3,4-dimethoxy-N-((2,2-dimethyl-2H-chromen-6-yl)methyl)-N-phenylbenzenesulfonamide: has antineoplastic activity; structure in first source
k-strophanthosideK-strophanthoside: cardiac glycoside extracted from Strophanthus kombe; sugars (glucose-glucose-cymarose) are bonded with strophanthidin
ml228 probeML228 : A member of the class of 1,2,4-triazines in which the triazine ring is substituted at positions 3, 5, and 6 by pyridin-2-yl, ([biphenyl]-4-ylmethyl)amin, and methyl groups, respectively. It is an activator of the hypoxia inducible factor (HIF) pathway.

ML228 probe: structure in first source
1,2,4-triazines;
biphenyls;
pyridines;
secondary amino compound
hypoxia-inducible factor pathway activator
2-(3,4-dimethoxyphenyl)-1-(5-methoxy-2,2-dimethyl-2h-chromen-6-yl)ethanone2-(3,4-dimethoxyphenyl)-1-(5-methoxy-2,2-dimethyl-2H-chromen-6-yl)ethanone: an Hsp90 inhibitor; structure in first source
AZ3451benzimidazoles;
benzodioxoles;
nitrile;
organobromine compound;
secondary carboxamide
anti-inflammatory agent;
autophagy inducer;
PAR2 negative allosteric modulator
makaluvamine fmakaluvamine F: a potent & cytotoxic marine alkaloid; structure in first source