hiv-1 in

Protosappanin A (PTA) has anti-oxidative nitrative activities on brain immune and neuroinflammation through regulation of CD14 TLR4-dependent IKK IκB NF-κB inflammation signal pathway; it exerts anti-neuroinflammatory effect by inhibiting JAK2-STAT3 pathway in lipopolysaccharide-induced BV2 microglia. Protosappanin A induces immunosuppression of rats heart transplantation targeting T cells in grafts via NF-kappaB pathway. Protosappanin A and protosappanin B have antimicrobial activity, they show both alone activities and resistance reversal effects of amikacin and gentamicin against MRSA. Protosappanin A shows strong effect against HIV-1 IN with an IC50 value of 12.6 uM.

Chloroquine is a Toll-like receptor inhibitor that inhibits autophagy. Chloroquine has anti-malarial and anti-inflammatory activity and is widely used in the treatment of malaria and rheumatoid arthritis. Chloroquine also has anti-SARS-CoV-2 (COVID-19) activity and anti-HIV-1 activity.

α-Lipoic Acid (Alphalipoic acid) inhibits NF-κB-dependent HIV-1 LTR activation. α-Lipoic Acid induces endoplasmic reticulum (ER) stress-mediated apoptosis in hepatoma cells.α-Lipoic Acid is an antioxidant, which is an essential cofactor of mitochondrial enzyme complexes.

1. Berberine (Umbellatine) is a potent oral hypoglycemic agent with beneficial effects on lipid metabolism. 2. Berberine may as a broad-spectrum anti-microbial medicine, a complementary therapeutic agent for HIV AIDS. 3. Berberine seems to act as an herbal antidepressant and a neuroprotector against neurodegenerative disorders. 4. Berberine is used in histology for staining heparin in mast cells. As a natural dye, berberine has a colour index of 7516. 5. Berberine reduces hepatic fat content in rats with nonalcoholic fatty liver disease; also prevents proliferation of hepatic stellate cells (HSCs), which are central for the development of fibrosis during liver injury. 6. Berberine can ameliorate proinflammatory cytokines-induced intestinal epithelial tight junction damage in vitro, and berberine may be one of the targeted therapeutic agents that can restore barrier function in intestinal disease states. 7. Berberine has antineoplastic effects, including breast cancer, leukemia, melanoma, epidermoid carcinoma, hepatoma, pancreatic cancer, oral carcinoma, tongue carcinoma, glioblastoma, prostate carcinoma and gastric carcinoma, etc.

Sennoside A (NSC-112929), a kind of irritant laxative isolated from rhei rhizome, causes purgative actions in the intestine.

Punicalin exerts anti-inflammatory, antioxidative, and anti-hepatotoxic activities, it shows inhibitory activity on HIV-1 reverse transcriptase in a dose-dependent manner, with an IC50 of 0.11 microg ml (0.14 microM).

Theaflavin 3,3'-digallate, a major polyphenol found in black tea, is an inducer of oxidative stress which has anti-inflammatory and cancer chemopreventive actions, it reduces tumor angiogenesis by downregulating HIF-1αand VEGF.

L-Chicoric Acid (trans-Caffeoyltartaric acid) has been shown to inhibit hyaluronidase and HIV-1 integrase, and to possess phagoeytosis stimulatory activity in vitro and in vivo and antiviral acitivy. L-Chicoric acid may reduce acute alcohol-induced steatosis in mice through interfering with the induction of iNOS and iNOS-dependent signaling cascades in the liver. 3. L-Chicoric acid inhibited cell viability and induced apoptosis in 3T3-L1 preadipocytes which was characterized by chromatin condensation and poly ADP-ribose-polymerase (PARP) cleavage.

Cichoric Acid (Dicaffeoyltartaric acid) is a potent inhibitor of human immunodeficiency virus type-1 (HIV-1) integrase and the replication in tissues. It also a class of cannabinomimetics with CB2 receptor-dependent and independent.

Equisetin, an N-methylserine-derived acyl tetramic acid isolated from the terrestrial fungus Fusarium equiseti NRRL 5537, functions as a Quorum-sensing inhibitor (QSI) that specifically attenuates QS-regulated virulence phenotypes in P. aeruginosa, presenting a potent lead for treating P. aeruginosa infections without hindering bacterial growth. This tetramate-containing natural product possesses antibiotic and cytotoxic properties, effectively inhibiting the growth of Gram-positive bacteria and HIV-1 integrase activity, yet it does not impact Gram-negative bacteria.

Limonin glucoside is a natural product in citrus fruits. It inhibits expression of HIV-1 and HTLV-1 in infected cells, induces apoptosis in colon adenocarcinoma cells, and exhibits larvicidal activity against species of Aedes.

3-Hydroxyterphenyllin is a p-terphenyl fungal metabolite originally isolated from A. candidus that has diverse biological activities, including antioxidant, antiproliferative, antibacterial, and antiviral properties.1,2,3,4 It has a 96% scavenging effect on 2,2-diphenyl-1-picrylhydrazyl radicals when used at a concentration of 100 μg/ml.2 3-Hydroxyterphenyllin inhibits the growth of HeLa cervical, A549 lung, and HepG2 liver cancer cells (IC50s = 23, 36, and 32 μM, respectively), as well as methicillin-resistant S. aureus (MRSA) and V. vulnificus bacteria (MIC = 31 μg/ml for both).3 It also inhibits HIV-1 integrase in both coupled and strand transfer assays (IC50s = 2.8 and 12.1 μM, respectively).4References1. Kurobane, I., Vining, L.C., McInnes, A.G., et al. 3-Hydroxyterphenyllin, a new metabolite of Aspergillus candidus. Structure elucidation by 1H and 13C nuclear magnetic resonance spectroscopy. J. Antibiot. (Tokyo) 32(6), 559-564 (1979).2. Yen, G.-C., Chang, Y.-C., Sheu, F., et al. Isolation and characterization of antioxidant compounds from Aspergillus candidus broth filtrate. J. Agric. Food Chem. 49(3), 1426-1431 (2001).3. Wang, W., Liao, Y., Tang, C., et al. Cytotoxic and antibacterial compounds from the coral-derived fungus Aspergillus tritici SP2-8-1. Mar. Drugs 15(11), E348 (2017).4. Singh, S.B., Jayasuriya, H., Dewey, R., et al. Isolation, structure, and HIV-1-integrase inhibitory activity of structurally diverse fungal metabolites. J. Ind. Microbiol. Biotechnol. 30(12), 721-731 (2003). 3-Hydroxyterphenyllin is a p-terphenyl fungal metabolite originally isolated from A. candidus that has diverse biological activities, including antioxidant, antiproliferative, antibacterial, and antiviral properties.1,2,3,4 It has a 96% scavenging effect on 2,2-diphenyl-1-picrylhydrazyl radicals when used at a concentration of 100 μg/ml.2 3-Hydroxyterphenyllin inhibits the growth of HeLa cervical, A549 lung, and HepG2 liver cancer cells (IC50s = 23, 36, and 32 μM, respectively), as well as methicillin-resistant S. aureus (MRSA) and V. vulnificus bacteria (MIC = 31 μg/ml for both).3 It also inhibits HIV-1 integrase in both coupled and strand transfer assays (IC50s = 2.8 and 12.1 μM, respectively).4 References1. Kurobane, I., Vining, L.C., McInnes, A.G., et al. 3-Hydroxyterphenyllin, a new metabolite of Aspergillus candidus. Structure elucidation by 1H and 13C nuclear magnetic resonance spectroscopy. J. Antibiot. (Tokyo) 32(6), 559-564 (1979).2. Yen, G.-C., Chang, Y.-C., Sheu, F., et al. Isolation and characterization of antioxidant compounds from Aspergillus candidus broth filtrate. J. Agric. Food Chem. 49(3), 1426-1431 (2001).3. Wang, W., Liao, Y., Tang, C., et al. Cytotoxic and antibacterial compounds from the coral-derived fungus Aspergillus tritici SP2-8-1. Mar. Drugs 15(11), E348 (2017).4. Singh, S.B., Jayasuriya, H., Dewey, R., et al. Isolation, structure, and HIV-1-integrase inhibitory activity of structurally diverse fungal metabolites. J. Ind. Microbiol. Biotechnol. 30(12), 721-731 (2003).

Stachybotrysin B is a fungal metabolite originally isolated from S. chartarum and has antiviral and anticancer activities.1,2 It has antiviral activity against HIV in SupT1 cells (IC50 = 19.2 μM).1 Stachybotrysin B is cytotoxic to K562, HeLa, and HL-60 cells (IC50s = 21.72, 39.63, and 18.5 μM, respectively).2 |1. Zhao, J., Feng, J., Tan, Z., et al. Stachybotrysins A-G, phenylspirodrimane derivatives from the fungus Stachybotrys chartarum. J. Nat. Prod. 80(6), 1819-1826 (2017).|2. Ma, X.-h., Zheng, W.-m., Sun, K.-h., et al. Two new phenylspirodrimanes from the deep-sea derived fungus Stachybotrys sp. MCCC 3A00409. Nat. Prod. Res. 33(3), 386-392 (2018).

1,4-Dicaffeoylquinic acid has antioxidant activity.1,4-Dicaffeoylquinic acid is a potent and highly selective class of HIV-1 integrase inhibitors, inhibitsHIV-1 replication in MT-2 cell culture at non-toxic concentrations.

Bevirimat (PA-457) is a first-in-class inhibitor of HIV-1 maturation, blocking the cleavage of the Gag capsid (CA) precursor, CA-SPI, to mature CA protein during virion maturation.

α-Lipoic Acid (Thioctic acid) sodium, an essential cofactor for mitochondrial enzyme complexes, functions as an antioxidant. It suppresses NF-κB-dependent activation of HIV-1 LTR [1] [2] [3] and induces ER (endoplasmic reticulum) stress-mediated apoptosis in hepatoma cells [4]. Furthermore, when combined with CPUL1 to form the self-assembled nanoaggregate CPUL1-LA NA, α-Lipoic Acid sodium enhances antitumor efficacy compared to CPUL1 alone [5].

4-Deoxy-4α-phorbol, a tetracyclic diterpene identified in E. desmondi, serves as a precursor in the semisynthesis of compounds inhibiting HIV-1-induced cytopathic effects in MT-4 cells and the creation of 4α-phorbol esters.

Wikstrol A, a potent antifungal, antimitotic, and anti-HIV-1 agent, demonstrates significant effects across various biological targets. It induces morphological deformation in P. oryzae mycelia, with a minimum morphological deformation concentration (MMDC) of 70.1 µM and inhibits microtubule polymerization, evidenced by an IC50 value of 131 µM. Additionally, Wikstrol A exhibits anti-HIV-1 activity with an IC50 value of 67.8 µM.

Glycolithocholic acid 3-sulfate (SLCG) is a bile acid derivative and metabolite of glycocholic acid, selectively inhibiting HIV-1 replication in vitro, used in the study of HIV infection.

Inophyllum B ((+)-Inophyllum B), a compound extracted from the acetone extract of the giant African snail, Achatina fulica [1], serves as a potent inhibitor of HIV Reverse Transcriptase with an IC50 value of 38 nM and exhibits inhibitory effects against HIV-1 in vitro cell culture with an IC50 of 1.4 μM.

Epicoccone B, originally identified in C. globosum, demonstrates both DPPH free radical scavenging capability, with an IC50 of 10.8 μM, and significant α-glucosidase inhibitory activity, with an IC50 of 27.3 μM. It also possesses anti-HIV activity [1] [2].

(-)-Rabdosiin, identified as a novel phenolic marker in Symphytum officinale L., exhibits antioxidant, neuroprotective, and anti-HIV activities [1].

Hypoglaunine D, an analogue of Triptonine B, serves as an anti-HIV compound by inhibiting HIV replication in H9 lymphocytes, demonstrating an efficacy with an EC50 value of 22 μg ml [1].

Ganoderiol F has anti-inflammatory, cytotoxic and anti-HIV activity, it inhibits activity of topoisomerases in vitro, and it inhibits human immunodeficiency virus-1 protease with IC(50) values of 20-40 microM. It induced HO-1 expression, activation of the mitogen-activated protein kinase EKR and up-regulation of cyclin-dependent kinase inhibitor p16 and suppressed lipopolysaccharide (LPS)-induced nitric oxide (NO) production.