positive regulation of hemoglobin biosynthetic process
Definition
Target type: biologicalprocess
Any process that activates or increases the frequency, rate or extent of the chemical reactions and pathways resulting in the formation of hemoglobin, an oxygen carrying, conjugated protein containing four heme groups and globin. [GOC:ai]
Positive regulation of hemoglobin biosynthetic process involves a complex interplay of transcription factors, signaling pathways, and regulatory elements. It encompasses the coordinated control of gene expression and protein synthesis for the production of hemoglobin, the oxygen-carrying molecule within red blood cells.
The process begins with the activation of transcription factors, such as GATA1, KLF1, and TAL1, which bind to specific regulatory sequences in the promoters of genes encoding globin subunits (alpha, beta, gamma, delta). These factors recruit RNA polymerase II, initiating the transcription of globin mRNA.
Simultaneously, erythropoietin (EPO), a hormone produced by the kidneys, stimulates the proliferation and differentiation of erythroid progenitor cells. EPO activates the JAK2/STAT5 signaling pathway, leading to the upregulation of genes involved in hemoglobin synthesis, including globin genes.
The transcribed globin mRNAs are then translated into polypeptide chains in ribosomes. These polypeptide chains associate with heme molecules, a porphyrin ring complex containing iron, forming globin subunits.
The assembly of globin subunits into tetrameric hemoglobin molecules occurs within the cytoplasm of developing red blood cells. This process is tightly regulated by chaperone proteins and other factors that ensure the correct folding and association of subunits.
Finally, the mature red blood cells, now fully loaded with hemoglobin, are released into the bloodstream, where they transport oxygen throughout the body.
In summary, positive regulation of hemoglobin biosynthetic process is a multi-faceted process that involves transcriptional activation, signal transduction, translation, assembly, and maturation. This complex interplay ensures the efficient and controlled production of functional hemoglobin, essential for oxygen transport and overall physiological homeostasis.'
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Proteins (2)
| Protein | Definition | Taxonomy |
|---|---|---|
| Protein arginine N-methyltransferase 1 | A protein arginine N-methyltransferase 1 that is encoded in the genome of human. [PRO:DNx, UniProtKB:Q99873] | Homo sapiens (human) |
| Sodium- and chloride-dependent glycine transporter 1 | A sodium- and chloride-dependent glycine transporter 1 that is encoded in the genome of human. [PRO:DNx, UniProtKB:P48067] | Homo sapiens (human) |
Compounds (27)
| Compound | Definition | Classes | Roles |
|---|---|---|---|
| glycine | alpha-amino acid; amino acid zwitterion; proteinogenic amino acid; serine family amino acid | EC 2.1.2.1 (glycine hydroxymethyltransferase) inhibitor; fundamental metabolite; hepatoprotective agent; micronutrient; neurotransmitter; NMDA receptor agonist; nutraceutical | |
| sarcosine | cocobetaine: N-alkyl-betaine; cause of shampoo dermatitis | N-alkylglycine; N-alkylglycine zwitterion; N-methyl-amino acid; N-methylglycines | Escherichia coli metabolite; glycine receptor agonist; glycine transporter 1 inhibitor; human metabolite; mouse metabolite |
| fluorescite | fluorescein (acid form) : A xanthene dye that is highly fluorescent and commonly used as a fluorescent tracer. | benzoic acids; cyclic ketone; hydroxy monocarboxylic acid; organic heterotricyclic compound; phenols; xanthene dye | fluorescent dye; radioopaque medium |
| pentamidine | pentamidine : A diether consisting of pentane-1,5-diol in which both hydroxyl hydrogens have been replaced by 4-amidinophenyl groups. A trypanocidal drug that is used for treatment of cutaneous leishmaniasis and Chagas disease. Pentamidine: Antiprotozoal agent effective in trypanosomiasis, leishmaniasis, and some fungal infections; used in treatment of PNEUMOCYSTIS pneumonia in HIV-infected patients. It may cause diabetes mellitus, central nervous system damage, and other toxic effects. | aromatic ether; carboxamidine; diether | anti-inflammatory agent; antifungal agent; calmodulin antagonist; chemokine receptor 5 antagonist; EC 2.3.1.48 (histone acetyltransferase) inhibitor; NMDA receptor antagonist; S100 calcium-binding protein B inhibitor; trypanocidal drug; xenobiotic |
| saccharin | saccharin : A 1,2-benzisothiazole having a keto-group at the 3-position and two oxo substituents at the 1-position. It is used as an artificial sweetening agent. Saccharin: Flavoring agent and non-nutritive sweetener. | 1,2-benzisothiazole; N-sulfonylcarboxamide | environmental contaminant; sweetening agent; xenobiotic |
| suramin | suramin : A member of the class of phenylureas that is urea in which each of the amino groups has been substituted by a 3-({2-methyl-5-[(4,6,8-trisulfo-1-naphthyl)carbamoyl]phenyl}carbamoyl)phenyl group. An activator of both the rabbit skeletal muscle RyR1 and sheep cardiac RyR2 isoform ryanodine receptor channels, it has been used for the treatment of human African trypanosomiasis for over 100 years. Suramin: A polyanionic compound with an unknown mechanism of action. It is used parenterally in the treatment of African trypanosomiasis and it has been used clinically with diethylcarbamazine to kill the adult Onchocerca. (From AMA Drug Evaluations Annual, 1992, p1643) It has also been shown to have potent antineoplastic properties. | naphthalenesulfonic acid; phenylureas; secondary carboxamide | angiogenesis inhibitor; antinematodal drug; antineoplastic agent; apoptosis inhibitor; EC 2.7.11.13 (protein kinase C) inhibitor; GABA antagonist; GABA-gated chloride channel antagonist; purinergic receptor P2 antagonist; ryanodine receptor agonist; trypanocidal drug |
| alizarin | dihydroxyanthraquinone | chromophore; dye; plant metabolite | |
| 7-amino-4-hydroxy-2-naphthalenesulfonic acid | 7-amino-4-hydroxy-2-naphthalenesulfonic acid : An aminonaphthalenesulfonic acid that is 2-naphthalenesulfonic acid substituted by an amino group at position 7 and a hydroxy group at position 4 respectively. 7-amino-4-hydroxy-2-naphthalenesulfonic acid: structure given in first source | aminonaphthalenesulfonic acid; naphthols | metabolite |
| 1-naphthol-8-amino-3,6-disulfonic acid | 1-naphthol-8-amino-3,6-disulfonic acid: dye and found in industrial waste | ||
| methyl red | methyl red : An azo dye consisting of benzoic acid substituted at position 2 by a 4-[(dimethylamino)phenyl]diazenyl group. methyl red: RN given refers to parent cpd; structure | ||
| s-adenosylmethionine | acylcarnitine: structure in first source S-adenosyl-L-methioninate : A sulfonium betaine that is a conjugate base of S-adenosyl-L-methionine obtained by the deprotonation of the carboxy group. | sulfonium betaine | human metabolite |
| hexamidine | hexamidine : A polyether that is the bis(4-guanidinophenyl) ether of hexane-1,6-diol. | aromatic ether; guanidines; polyether | antimicrobial agent; antiseptic drug |
| sinefungin | adenosines; non-proteinogenic alpha-amino acid | antifungal agent; antimicrobial agent | |
| fluorone black | fluorone Black: structure | ||
| c.i. direct red 23 | C.I. Direct Red 23: azo dye; structure in first source | ||
| furamidine | furamidine: RN given refers to parent cpd; WR 199385 refers to di-HCl; pafuramidine is a prodrug of this | ||
| s-adenosylhomocysteine | S-adenosyl-L-homocysteine : An organic sulfide that is the S-adenosyl derivative of L-homocysteine. S-Adenosylhomocysteine: 5'-S-(3-Amino-3-carboxypropyl)-5'-thioadenosine. Formed from S-adenosylmethionine after transmethylation reactions. | adenosines; amino acid zwitterion; homocysteine derivative; homocysteines; organic sulfide | cofactor; EC 2.1.1.72 [site-specific DNA-methyltransferase (adenine-specific)] inhibitor; EC 2.1.1.79 (cyclopropane-fatty-acyl-phospholipid synthase) inhibitor; epitope; fundamental metabolite |
| hinokinin | hinokinin : A lignan that is dihydrofuran-2(3H)-one (gamma-butyrolactone) substituted by a 3,4-methylenedioxybenzyl group at positions 3 and 4 (the 3R,4R-diastereoisomer). hinokinin: suppresses expression of both HBsAg and HBeAg | benzodioxoles; gamma-lactone; lignan | trypanocidal drug |
| org 24598 | org 24598: structure in first source | ||
| stilbamidine | stilbamidine: RN given refers to parent cpd | ||
| mbx 1090 | |||
| n-oleoylglycine | N-oleoylglycine : A fatty acid derivative that is the 9Z-octadecenoyl derivative of glycine. It is believed to be an intermediate in oleamide biosynthesis. oleoylglycine: long chain fatty acyl glycine | fatty amide; N-acylglycine 18:1 | metabolite |
| alx 5407 | biphenyls | ||
| alx 1393 | ALX 1393: a GlyT2 inhibitor | ||
| rg 1678 | (4-(3-fluoro-5-trifluoromethylpyridin-2-yl)piperazin-1-yl)(5-methanesulfonyl-2-(2,2,2-trifluoro-1-methylethoxy)phenyl)methanone: a GlyT1 inhibitor; structure in first source | ||
| gsk343 | GSK343 : A member of the class of indazoles that is 1-isopropyl-1H-indazole-4-carboxamide in which the nitrogen of the carboxamide group is substituted by a (6-methyl-2-oxo-4-propyl-1,2-dihydropyridin-3-yl)methyl group and in which the indazole ring is substituted at position 6 by a 2-(4-methylpiperazin-1-yl)pyridin-4-yl group. A highly potent and selective EZH2 inhibitor (IC50 = 4 nM). GSK343: an EZH2 methyltransferase inhibitor | aminopyridine; indazoles; N-alkylpiperazine; N-arylpiperazine; pyridone; secondary carboxamide | antineoplastic agent; apoptosis inducer; EC 2.1.1.43 (enhancer of zeste homolog 2) inhibitor |
| 6,7-dimethoxy-2-(pyrrolidin-1-yl)-n-(5-(pyrrolidin-1-yl)pentyl)quinazolin-4-amine | 6,7-dimethoxy-2-(pyrrolidin-1-yl)-N-(5-(pyrrolidin-1-yl)pentyl)quinazolin-4-amine: a SETD8 inhibitor; structure in first source |