research Investigation by Imaging Mass Spectrometry of Biomarker Candidates for Aging in the Hair Cortex
Certain molecules in hair change with age and could be used for cosmetic treatments.
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research Normal and Aging Hair Biology and Structure: Aging and Hair
Hair gets thinner, grayer, and changes texture with age due to genetics, environment, and cellular changes, affecting the growth cycle.
research Beta-Catenin-Mediated Hair Growth Induction Effect of 3,4,5-Tri-O-Caffeoylquinic Acid
3,4,5-tri-O-caffeoylquinic acid promotes hair growth by activating the β-catenin pathway.
research 3,4,5-Tri-O-Caffeoylquinic Acid Promoted Hair Pigmentation Through β-Catenin and Its Target Genes
A substance called TCQA could potentially darken hair by activating certain genes and increasing melanin.
research 3D Spheroid Human Dermal Papilla Cell as an Effective Model for the Screening of Hair Growth Promoting Compounds: Examples of Minoxidil and 3,4,5-Tri-O-Caffeoylquinic Acid (TCQA)
3D cell cultures are better for testing hair growth treatments than 2D cultures.
research Establishment of 3D Spheroid Human Dermal Papilla Cells as an Effective Model for Hair Growth Screening Compounds Compared with the 2D System: An Example of Minoxidil and 3,4,5-Tri-O-Caffeoylquinic Acid
3D spheroid cultures of human hair follicle cells are better for hair growth research than 2D cultures, and they provide new insights into how hair growth treatments like minoxidil and TCQA work.
research Synthesis of N-Substituted 3-Oxo-17b-Carboxamide-4-Aza-5a-Androstanes and the Tautomerism of 3-Oxo-4-Aza-5-Androstenes
Researchers made two new compounds that could be used for medicine.
research Crystal Structure of 3-Oxo-4-Aza-5-Alpha-Androstone-17 β-Tert-Butyl Carboxamide with an O···H–(C, N) Acceptor Four-Center Hydrogen Bond
The research shows that hydrogen bonds greatly affect the crystal structure of a Finasteride derivative.
research The Evaluation of IL-4 Intron 3 VNTR and TNF-α (rs1799964) Gene Polymorphisms in Egyptian Patients with Alopecia Areata: A Case-Control Study
These specific gene polymorphisms are not linked to Alopecia Areata in Egyptians.
research Biological Activities of 2,3,5,4′-Tetrahydroxystilbene-2-O-β-D-Glucoside in Antiaging and Antiaging-Related Disease Treatments
THSG from a Chinese plant helps with aging and related diseases.
research Effect of Solvent on Stereoselectivity in Pd/C (Type 39K)-Catalyzed Hydrogenation of Methyl 3-Oxo-4-Aza-5-Androstene-17-Carboxylate, a Key Intermediate for Finasteride and Dutasteride
Alcoholic solvent improves selectivity in key intermediate for finasteride and dutasteride synthesis.
research Minoxidil Prevents MDMA-Induced Serotonin Depletions: Role of Mitochondrial ATP-Sensitive Potassium Channels, Akt, and ERK
Minoxidil prevents serotonin loss from MDMA by affecting potassium channels and increasing Akt phosphorylation.
research Chronic Toxicity of 3,4,3′,4′-Tetrachlorobiphenyl in the Marmoset Monkey (Callithrix Jacchus)
High doses of TCB cause severe health issues in marmoset monkeys.
research Metabolic Study of Androsta-1,4,6-Triene-3,17-Dione in Horses Using Liquid Chromatography/High Resolution Mass Spectrometry
The study found that urine metabolites M1b or M4 are the best indicators of ATD use in horses, with detection possible up to 77 hours in urine and 28 hours in blood.
research 5-Bromo-3,4-Dihydroxybenzaldehyde Promotes Hair Growth Through Activation of Wnt/β-Catenin and Autophagy Pathways and Inhibition of TGF-β Pathways in Dermal Papilla Cells
5-Bromo-3,4-dihydroxybenzaldehyde could potentially help hair growth by activating certain cell pathways and inhibiting others.
research Highly Efficient Nucleophilic Addition of Alkyl Grignard Reagents to 17-Ketosteroids in the Presence of Cerium(III) Chloride: Synthesis of 17α-Propyl-17β-Hydroxy-4-Androsten-3-One, an Androgen Receptor Antagonist
Adding cerium(III) chloride to Grignard reagents improves the making of compounds that could treat prostate issues and hair loss.
![The Synthesis of (−)-4-Methyl-8-Chloro-Trans-1,2,3,4,4a,5,6,10b-Octahydrobenzo-[f]-Quinolin-3-One-[3-14C] (LY300502-14C) via a Circuitous Route](/images/research/73bab8dc-bdf0-45e3-8ef7-73d0d4b93cb1/small/21074.jpg)
research The Synthesis of (−)-4-Methyl-8-Chloro-Trans-1,2,3,4,4a,5,6,10b-Octahydrobenzo-[f]-Quinolin-3-One-[3-14C] (LY300502-14C) via a Circuitous Route
Scientists made a carbon-14 labeled version of a drug with a 48% yield and over 99% purity.
research 17α-Acetoxy-6-Bromo-16β-Methylpregna-4,6-Diene-3,20-Dione: A New Steroidal Derivative with High Antiandrogenic Activity
A new compound with strong antiandrogenic effects was found, potentially useful for treating conditions like acne and prostate cancer.
research Synthesis and In Vitro Evaluation of 4-Substituted N-(1,1-Dimethylethyl)-3-Oxo-4-Androstene-17β-Carboxamides as 5α-Reductase Inhibitors and Antiandrogens
The new compounds moderately block a specific enzyme and strongly counteract a male hormone, suggesting potential for treating certain male-related health conditions.
research Regulatory Effects of Thai Rice By-Product Extracts from Oryza Sativa L. Cv. Bue Bang 3 CMU and Bue Bang 4 CMU on Melanin Production, Nitric Oxide Secretion, and Steroid 5α-Reductase Inhibition
BB4CMU rice bran oil may help treat hair loss and gray hair.
![Activity of 17β-(N-Alkyl/Arylformamido) and 17β-[(N-Alkyl/Aryl) Alkyl/Arylamido]-4-Methyl-4-Aza-5α-Androstan-3-Ones as 5α-Reductase Inhibitors in the Hamster Flank Organ and Ear](/images/research/861159f1-7bd4-420c-a16b-4829458efe68/small/15592.jpg)
research Activity of 17β-(N-Alkyl/Arylformamido) and 17β-[(N-Alkyl/Aryl) Alkyl/Arylamido]-4-Methyl-4-Aza-5α-Androstan-3-Ones as 5α-Reductase Inhibitors in the Hamster Flank Organ and Ear
The compounds tested could potentially treat hair loss and alopecia.
research Synthesis, Anticancer, and Molecular Docking Studies of 2-(4-Chlorophenyl)-5-Aryl-1,3,4-Oxadiazole Analogues
The compound 4c showed strong potential as an anticancer agent.
![Synthesis and In Vitro Study of 17β-[N-Ureylene-N,N′-Disubstituted]-4-Methyl-4-Aza-5α-Androstan-3-Ones as Selective Inhibitors of Type I 5α-Reductase](/images/research/d19df8a7-8de6-4430-8a0d-4ffa1f502985/small/15608.jpg)
research Synthesis and In Vitro Study of 17β-[N-Ureylene-N,N′-Disubstituted]-4-Methyl-4-Aza-5α-Androstan-3-Ones as Selective Inhibitors of Type I 5α-Reductase
New compounds were made that effectively block a specific enzyme related to androgen conditions.
![Verification of the Major Metabolic Oxidation Path for the Naphthoyl Group in Chemoattractant Receptor-Homologous Molecule Expressed on Th2 Cells (CRTh2) Antagonist 2-(2-(1-Naphthoyl)-8-fluoro-3,4-dihydro-1H-pyrido[4,3-b]indol-5(2H)-yl)acetic Acid (Setipiprant/ACT-129968)](/images/research/d743d32f-3115-48ff-9697-2f2d56130701/small/14175.jpg)
research Verification of the Major Metabolic Oxidation Path for the Naphthoyl Group in Chemoattractant Receptor-Homologous Molecule Expressed on Th2 Cells (CRTh2) Antagonist 2-(2-(1-Naphthoyl)-8-fluoro-3,4-dihydro-1H-pyrido[4,3-b]indol-5(2H)-yl)acetic Acid (Setipiprant/ACT-129968)
The document confirms the structures of major metabolites of the CRTh2 antagonist Setipiprant and identifies minor metabolites.
research Caffeic Acid N-[3,5-Bis(Trifluoromethyl)Phenyl] Amide as a Non-Steroidal Inhibitor for Steroid 5α-Reductase Type 1 Using a Human Keratinocyte Cell-Based Assay and Molecular Dynamics
Compound 4 is a promising treatment for hair loss with low toxicity.
![Synthesis, Biological Evaluation, and Molecular Docking of 4-Amino-2H-benzo[h]chromen-2-one Analogs Containing the Piperazine Moiety](/images/research/2ecf4eed-7dbe-4f1a-83db-739625546cdd/small/31808.jpg)
research Synthesis, Biological Evaluation, and Molecular Docking of 4-Amino-2H-benzo[h]chromen-2-one Analogs Containing the Piperazine Moiety
Analog 23 is a promising compound for prostate cancer treatment.
research Urinary Retention in Patients with BPH Treated with Finasteride or Placebo Over 4 Years
Finasteride lowers risk of urinary issues and surgery by over 50% in 4 years.
research 3,3-Diphenylpentane Skeleton as a Steroid Skeleton Substitute: Novel Inhibitors of Human 5α-Reductase 1
A new compound effectively inhibits human 5α-reductase 1.
research Is 3α, 17β-Androstanediol-Glucuronide a Diagnostic Marker in Women with Androgenic Manifestations?
3α, 17β-androstanediol-glucuronide is not a useful marker for androgen excess but may help monitor certain treatments.
research Telogen Effluvium: Causes, Diagnosis, and Treatments
Telogen Effluvium is a condition causing excessive hair loss due to stress, illness, drugs, or hormonal changes, and can be treated with specific products or naturally resolves after 3-4 years.