Pharmaceutics and Drug Design Commons^™

Click-Free Synthesis Of A Multivalent Tricyclic Peptide As A Molecular Transporter, Sumit Kumar, Dindyal Mandal, Shaima Ahmed El-Mowafi, Saghar Mozaffari, Rakesh Kumar Tiwari, Keykavous Parang

Pharmacy Faculty Articles and Research

The cellular delivery of cell-impermeable and water-insoluble molecules remains an ongoing challenge to overcome. Previously, we reported amphipathic cyclic peptides c[WR]₄ and c[WR]₅ consisting of alternate arginine and tryptophan residues as nuclear-targeting molecular transporters. These peptides contain an optimal balance of positive charge and hydrophobicity, which is required for interactions with the phospholipid bilayer to facilitate their application as a drug delivery system. To further optimize them, we synthesized and evaluated a multivalent tricyclic peptide as an efficient molecular transporter. The monomeric cyclic peptide building blocks were synthesized using Fmoc/tBu solid-phase chemistry and cyclization in the …

Antioxidant And Elastase Inhibitor Potential Of Petals And Receptacle Of Rose Flower (Rosa Damascena), Evi Mawarni, Chrismis Novalinda Ginting, Linda Chiuman, Ermi Girsang, Rr. Anisa Siwianti Handayani, Wahyu Widowati

Pharmaceutical Sciences and Research

Free radicals can cause damage to cells or tissues, autoimmune diseases, degenerative diseases, or cancer. Therefore, the body needs important substances, namely antioxidants that can help protect the body by reducing negative effect from free radicals. Rose flower (Rosa damascena) has anthocyanin pigment which belongs to flavonoid group which has a function as antioxidant or free radical scavenger. This study aims to determine antioxidant and anti-elastase potentials of rose petals and receptacles. The method used in this study was a qualitative phytochemical test to determine the compounds contained in the Rose Petal Extract (RPE) and Rose Receptacle Extract (RRE), ABTS …

Epigenetic Diet To Modulate Immune Response Against Sars-Cov-2, Andika Andika, Risa Ahdyani, Linda Erlina, Azminah Azminah, Arry Yanuar

Pharmaceutical Sciences and Research

The COVID-19 pandemic has spread to various parts of the world and caused many deaths. The victims are infected by SARS-CoV-2, a new type of coronavirus that has appeared since December 2019 and caused respiratory symptoms, fever, coughing, and shortness of breath. In addition to social distancing, wearing masks and washing hands, diet is important as a defense of the body against SARS-CoV-2. In this review, researchers conducted epigenetic diet studies that could potentially inhibit SARS-CoV-2, and can be consumed and used on a daily basis.

Potential Risk Factors For Mortality Due To Cardiovascular Disease Among Hemodialysed Patients In Indonesia, Diana Laila Ramatillah, Syed Azhar Syed Sulaiman, Kashif Ullah Khan

Pharmaceutical Sciences and Research

Severe vascular calcifications, alterations in cardiovascular structure and function, immune dysfunction, and anemia are adverse effects of parathyroid hormone (PTH), which may contribute to increase risk factors of cardiovascular morbidity and mortality among renal failure patients. To evaluate the potential risk factors for mortality due to cardiovascular disease among hemodialysed patients in Indonesia, this cohort study was conducted. This study included 178 patients on hemodialysis who had been followed up two times a week for nine months (prospective cohort) and 185 patients who died in the last five years (retrospective cohort). Universal sampling technique were used to select the study …

Antagonistic Drug-Herb Interactions Between Clinacanthus Nutans And Cyclophosphamide On Wrl 68 Cell Line, Nurliana Abd Mutalib, Normala Abd Latip

Pharmaceutical Sciences and Research

Clinacanthus nutans (Acanthaceae), locally known as Sabah snake grass, is popularly taken as prevention as well as treatment for cancer in Malaysia, despite lack of concrete clinical evidence. However, it is crucial to evaluate potential antagonistic, additive, or synergistic interactions that may result from the co-treatment of this plant in chemotherapy. In this study, we demonstrate the drug-herb interaction using combination treatment of C. nutans extracts and cyclophosphamide on the WRL 68 cell line. Materials and Methods: Aqueous and 70% ethanol extract of C. nutans leaves were prepared using decoction and maceration methods. MTT assay was used to test …

A Study On The Formulation Of Plant Matrix Tablets From Coarse Botanical Materials Using Cinnamon Bark And Areca Nut As The Model Botanical Materials, Natalia Veronica, Xiu Hui Ang, Shing Ming Ooi, Celine Valeria Liew, Paul Wan Sia Heng

Pharmaceutical Sciences and Research

Background: There is much interest in formulating botanical materials into tablets due to the compactness and ease of administration. However, tableting of coarse milled botanical materials poses a challenge due to poor tableting properties. Objective: To evaluate the feasibility of wet granulation to produce tablets from coarse milled botanical materials and to assess the effect of formulation on properties of the tablets. Materials and Methods: Cinnamon bark and areca nut were milled to obtain 1–2 mm particle size, which was subsequently used in wet granulation using maltodextrin solution as a granulating liquid. Two diluents were tried; microcrystalline …

Long-Lasting, Patient-Controlled, Procedure-Free Contraception: A Review Of Annovera With A Pharmacist Perspective, Jennifer J. Virro, Kathleen Besinque, Christiane E. Carney, Danielle Gross, Brian Bernick, Sebastian Mirkin

Pharmacy Faculty Articles and Research

Annovera (segesterone acetate and ethinyl estradiol vaginal system) is a US Food and Drug Administration FDA-approved long-lasting, reversible contraceptive that is fully administered by the user and does not require a procedure for insertion or removal. The vaginal system is in the shape of a ring and contains low doses of a novel progestin, egesterone acetate, and ethinyl estradiol. It is made of silicone and is fully pliable and flexible. The vaginal system is reusable for 13 cycles, using a 21 days in/7 days out regimen, providing women with the ability to control their fertility. Particularly now during the COVID-19 …

A Mini Review : Clinically Significant Potential Drug-Drug Interactions In Covid-19 And Comorbid Therapy, Ana Khusnul Faizah, Nani Wijayanti Dyah Nurrahman, Oki Nugraha Putra

Pharmaceutical Sciences and Research

Coronavirus disease 2019 (COVID-19) is a disease caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) and can be aggravated by comorbid diseases. In administering COVID-19 therapy, we need to consider potential drug-drug interactions (pDDIs) with comorbid drugs. Most patients with comorbid diseases get polypharmacy, therefore the risk of pDDIs increases. Potential drug-drug interactions can cause unwanted effects such as toxicity to death. There is no on-label therapy for COVID-19 but FDA has Emergency Use Authorization (EUA) for hydroxychloroquine, chloroquine, azithromycin, remdesivir, ritonavir, and lopinavir. Some COVID-19 treatment potential drug-drug interactions have a level of severity C and D, so …

Sars-Cov-2: Virology And Drug Repurposing Approaches, Ratika Rahmasari, Heri Setiawan, Rezi Riadhi Syahdi, Ayun Arifianti, Marina Ika Irianti, Rani Sauriasari, Juliann Nzembi Makau, Muhareva Raekiansyah

Pharmaceutical Sciences and Research

An emerging coronavirus, SARS-CoV-2, is the causative agent for the ongoing pandemic of coronavirus disease 2019 (COVID-19), which has caused a worldwide social and economic disruption. Currently, no antiviral drugs with proven clinical efficacy, or vaccines for its prevention. Therefore, to combat the pandemic of this novel coronavirus, new effective treatments are urgently needed. In the process of traditional drug development, developing new drugs from scratch is a time- consuming process, requires high-investment, and is a high-risk process, which is impractical to face the immediate global challenge of the SARS-CoV-2 pandemic. Drug repurposing strategy is one of the effective ways …

Chloroquine: An Old To Be Repurposed Drug For Covid-19 Infection (Risk And Benefit), Oki Nugraha Putra, Ana Khusnul Faizah, Nani Wijayanti Dyah Nurrahman, Hardiyono Hardiyono

Pharmaceutical Sciences and Research

Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) causes Coronavirus Disease 2019 (COVID-19) with a high rate of mortality. Chloroquine and hydroxychloroquine have been used for antimalarial and autoimmune diseases for many years. Due to low toxicity and well tolerability as well as immunomodulatory properties, these drugs are proposed to treat viral infection. Some studies, both in vitro and in a clinical setting, have been evaluated for their ability to treat SARS- CoV-2 as promising therapies. Although The National Agency of Drugs and Food Control of The Republic of Indonesia issued emergency authorization for chloroquine and hydroxychloroquine to be used against …

Prediction Of Asiatic Acid Derivatives Affinity Against Sars-Cov-2 Main Protease Using Molecular Docking, Ida Musfiroh, Alia Resti Azura, Driyanti Rahayu

Pharmaceutical Sciences and Research

COVID-19 is a pandemic that currently occurs in almost all parts of the world, caused by a new coronavirus species that can infect humans, namely SARS-CoV-2. To date, there is no effective drug to treat COVID-19. There are studies proving that the secondary metabolites of pentacyclic triterpenes have antiviral activity, one of which is asiatic acid. The aims of this study are to obtain the affinity and interactions of asiatic acid derivative structures in inhibiting the main protease of SARS-CoV-2. The research method was molecular docking of asiatic acid and its derivatives against the main protease of SARS-CoV-2 (6LU7) consisting …

Dermaseptin-Based Antiviral Peptides To Prevent Covid-19 Through In Silico Molecular Docking Studies Against Sars-Cov-2 Spike Protein, Taufik Muhammad Fakih

Pharmaceutical Sciences and Research

A pandemic coronavirus disease of 2019 (COVID-19) caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) has now been declared a global pandemic by the World Health Organization. The search for new drugs, especially by utilizing antiviral peptides is a very potential area. Through this study, protein-peptide docking and protein-protein docking simulations were conducted using in silico methods to identify, evaluate, and explore the molecular affinity and interaction of dermaseptin peptide molecules produced by frogs of the genus Phyllomedusa against the SARS-CoV-2 spike protein macromolecule, and its effect on attachment to the surface of the ACE-2 (Angiotensin Converting Enzyme-2) receptor. …

Remdesivir: Mechanism And Effectiveness For Coronavirus Disease 2019 (Covid-19), Vina Neldi, Suharjono Suharjono

Pharmaceutical Sciences and Research

Currently, coronavirus disease 2019 (COVID-19) is a very serious health problem. The World Health Organization (WHO) has characterized this disease as a pandemic. Recommendations related to vaccines and drugs are not available yet because they are still in the clinical trial phase, and one of the superior drugs is remdesivir which has an antiviral activity. Several clinical trials of this drug are being carried out with the aim of evaluating its safety and efficacy in COVID-19 patients. There are two clinical trials with completed recruitment status, which are NCT04257656 and NCT04280705. NCT04257656 showed that remdesivir had faster time for clinical …

The Potential Roles Of Jamu For Covid-19: A Learn From The Traditional Chinese Medicine, Dwi Hartanti, Binar Asrining Dhiani, Shintia Lintang Charisma, Retno Wahyuningrum

Pharmaceutical Sciences and Research

As the pandemic of the coronavirus disease 2019 (COVID-19) continues while there is no drug and vaccine available, every effort to discover one should be considered. This review aimed to discuss the potential use of jamu, the Indonesian traditional herbal medicine, to deal with COVID-19 by following those of more-established traditional Chinese medicine (TCM). The online literature search using the PubMed database, as well as the circulars from the Indonesian Ministry of Health, were carried out to collect data up to June 07, 2020. The use of TCM for the treatment and prevention of COVID-19 has been officiated in the …

Prospects For Rnai Therapy Of Covid-19, Hasan Uludağ, Kylie Parent, Hamidreza Montazeri Aliabadi, Azita Haddadi

Pharmacy Faculty Articles and Research

COVID-19 caused by the SARS-CoV-2 virus is a fast emerging disease with deadly consequences. The pulmonary system and lungs in particular are most prone to damage caused by the SARS-CoV-2 infection, which leaves a destructive footprint in the lung tissue, making it incapable of conducting its respiratory functions and resulting in severe acute respiratory disease and loss of life. There were no drug treatments or vaccines approved for SARS-CoV-2 at the onset of pandemic, necessitating an urgent need to develop effective therapeutics. To this end, the innate RNA interference (RNAi) mechanism can be employed to develop front line therapies against …

Delivery For Hydrophobic Drugs For Treating Pancreatic Cancer, Saud Almawash

Theses & Dissertations

Purpose The aim of this study was to determine whether coadministration of hedgehog (Hh) pathway inhibitor cyclopamine (CYP) and microtubule stabilizer docetaxel (DTX) as polymer-drug conjugates, methoxy poly(ethylene glycol)-block-poly(2-methyl-2-carboxyl-propylenecarbonategraft- dodecanol-graft-cyclopamine) (P-CYP) and methoxy poly(ethylene glycol)-block-poly(2-methyl-2-carboxyl-propylene carbonate-graft-dodecanol-graft-docetaxel) (P-DTX) could synergistically inhibit orthotopic pancreatic tumor growth in NSG mice.

Methods P-DTX and P-CYP were synthesized from mPEGb- PCC through carbodiimide coupling reaction and characterized by 1H–NMR. The micelles were prepared by film hydration and particle size was measured by dynamic light scattering (DLS). Cytotoxicity, apoptosis and cell cycle analysis of P-DTX and P-CYP were evaluated in MIA PaCa-2 cells. In vivo efficacy …

Ocular, Neural, And Cellular Biodistribution Of Multifunctional Antioxidants, Damian Daszynski

Theses & Dissertations

Aging is a complex biological process which stems from a growing imbalance between the regenerative capacity of an organism and endogenous as well as exogenous damaging factors. This imbalance leads to the slow deterioration of individual cells, organs, and eventually the entire organism. The free radical theory of aging combines the evolutionary and mechanistic aspects of aging, postulating that the innate process is caused by deleterious, irreversible, and inevitable changes in biological systems caused by oxidative damage that accumulates over the lifespan. Evidence of this phenomenon is supported by the pathogenesis of age-related diseases, such as age-related macular degeneration and …

Gene Delivery To The Blood-Brain Barrier For Ischemic Stroke Therapy, Wanzhu Zhao

Electronic Theses and Dissertations

Stroke is a major cause of death in the United States. We aim to develop safe and efficient approaches for the treatment of stroke. Regenerative therapies have been identified as the major need for curing stroke [1]. We explored two different carriers (poly (ethylene glycol)_5k-poly (L-aspartate-diethylenetriamine)₄₈ (PEG-DET) / Pluronic P84 (P84) and exosomes (EXOs) / microvesicles (MVs)) to deliver brain-derived neurotrophic factor (BDNF) plasmid DNA (pDNA), a functional gene encoding a neurotrophin. In the first project, our data showed that DNA nanoparticles (NPs) with 0.03% P84 was a promising formulation to deliver Luciferase pDNA into immortalized human …

Phenylpyrazalopyrimidines As Tyrosine Kinase Inhibitors: Synthesis, Antiproliferative Activity, And Molecular Simulations, Bhupender S. Chhikara, Sajda Ashraf, Saghar Mozaffari, Nicole St. Jeans, Dindyal Mandal, Rakesh Kumar Tiwari, Zaheer Ul-Haq, Keykavous Parang

Pharmacy Faculty Articles and Research

N1-(α,β-Alkene)-substituted phenylpyrazolopyrimidine derivatives with acetyl and functionalized phenyl groups at α- and β-positions, respectively, were synthesized by the reaction of 3-phenylpyrazolopyrimidine (PhPP) with bromoacetone, followed by a chalcone reaction with differently substituted aromatic aldehydes. The Src kinase enzyme assay revealed modest inhibitory activity (half maximal inhibitory concentration, IC₅₀ = 21.7–192.1 µM) by a number of PhPP derivatives. Antiproliferative activity of the compounds was evaluated on human leukemia (CCRF-CEM), human ovarian adenocarcinoma (SK-OV-3), breast carcinoma (MDA-MB-231), and colon adenocarcinoma (HT-29) cells in vitro. 4-Chlorophenyl carbo-enyl substituted 3-phenylpyrazolopyrimidine (10) inhibited the cell proliferation of HT-29 and SK-OV-3 by 90% …

Evaluation Of Potential Drug Interaction Of Analgesic In Cancer Patient Receiving Palliative Care In Dharmais Cancer Hospital, Eme Stepani Sitepu, Atika Wahyu Puspitasari, Nuriza Ulul Azmi, Lila Nilam Sari

Pharmaceutical Sciences and Research

Analgesics are mostly used in cancer patients receiving palliative care to improve the quality of life of patients. Besides analgesics, cancer patients receiving palliative care were also given other drugs in combination to overcome other symptoms of cancer, and this combination could potentially cause drug interactions. This study was aimed to analyze the potential of drug interactions with analgesics in cancer patients. The study design was cross-sectional with a retrospective method and descriptive study. The sample of this study was cancer palliative care patient’s prescription at Dharmais Cancer Hospital in the period of January – December 2017. The sample analyzed …

Formulasi Gel Ekstrak Daun Kelor (Moringa Oleifera Lamk) Sebagai Sediaan Antiinflamasi, Nining Sugihartini, Syauqul Jannah, Tedjo Yuwono

Pharmaceutical Sciences and Research

The development of anti-inflammatory gel of Moringa oleifera leaf extract has been performed. This study aimed to determine the physical properties, irritation index and anti-inflammatory activity of gel with various concentration of Moringa oleifera leaf extract. The extract was obtained by maceration method using ethanol 70%. The extracts were formulated in a gel with a concentration of 3%, 6%, 9% by using Carbopol 940 as gelling agent. The gel was evaluated for its physical properties (viscosity, pH, spreadability, adhesivity), irritation index with rabbit test animals and anti-inflammatory activity with mice test animals based on epidermal thickness parameters. The test results …

Profil Terapi Antihipertensi Dan Antihiperlipidemia Terhadap Fungsi Ginjal Pasien Diabetes Melitus Tipe 2 Dengan Komplikasi Penyakit Ginjal Kronis Di Rsup Dr. Hasan Sadikin, Fitri Rachmaini, Lia Amalia, Cherry Rahayu

Pharmaceutical Sciences and Research

Chronic Kidney Disease (CKD) complication increases the risk of morbidity and mortality in type 2 diabetes mellitus (DMT2) patients. The presence of hypertension and dyslipidemia as comorbidity increases the risk of macrovascular and microvascular complications and further adding to the list of drugs used. Management of this comorbidity is essential to prevent cardiovascular events and minimize kidney damage. This study aimed to evaluate therapeutic profile of antihypertensive and antihyperlipidemia drugs towards kidney function in DMT2 patients with CKD complication at Dr. Hasan Sadikin Hospital. Study was done by using a prospective single cohort design with consecutive sampling technique and obtained …

An Exploration Of Electrospun Fibers Containing Drug-Cyclodextrin Inclusion Complexes, Fatimah Fatimah, Zeynep Aytac, Tamer Uyar, George Pasparakis, Gareth R. Williams

Pharmaceutical Sciences and Research

A series of new core-shell fibers were developed containing anticancer drugs (5-fluorouracil or ferulic acid) and their cyclodextrin inclusion complexes, with a gadolinium-based magnetic resonance imaging (MRI) contrast agent. These were prepared by electrospinning, a simple method for producing ultra-fine fibers through the application of a strong electrostatic force on a polymer solution. The shell of the fibers was formed from Eudragit S100, and the drugs were loaded in the core. Scanning electron microscopy images showed the formation of smooth ribbon-like fibers, with diameters ranging from 1.4 to 5.1 μm, and transmission electron microscopy reveals a transparent interface between the …

Development Of Ethanolic Extract Of Pinang Masak Jambi (Areca Catechu L.) As A Modulator Of Doxorubicin Cytotoxic Effect In Breast Cancer Therapy, Fitrianingsih Fitrianingsih, Indri Maharini, Diah Tri Utami

Pharmaceutical Sciences and Research

Doxorubicin is one of the chemotherapy agents that is often used in breast cancer therapy. Phenomenon of breast cancer cell resistance to chemotherapy agents has been traced to the molecular level. The development of compounds that can overcome drug resistance chemotherapy needs to be continuously developed, especially agents with specific molecular targets, namely P-glycoprotein (Pgp), NFkB, cyclin, and cyclin-dependent kinase (CDK). Another alternative is the combination of chemotherapy agents with chemopreventive agents (co-chemotherapy) to reduce side effects and increase sensitivity of cancer cells. Doxorubicin is often used in breast cancer therapy. This study was performed to determine the effect of …

Anti-Proliferative Effects Of A Coumarin Benjaminin On Four Human Cancer Cell Lines, Siau Hui Mah, Soek Sin Teh, Ahmad Azri Fitri Ismail, Gwendoline Cheng Lian Ee

Pharmaceutical Sciences and Research

Cancer is a major health issue around the globe. Chemotherapy and radiation therapy are no longer the standard treatments for patients as these remedies lead to many adverse effects. Thus, the development of alternative effective drugs from lead compounds, especially natural products is necessary. This study aimed to isolate cytotoxic phytochemical constituents from a plant Calophyllum inophyllum, which has been used as traditional medicine since ancient time. The root of C. inophyllum was extracted and subjected for phytochemical constituent isolation. A coumarin, benjaminin (1) was isolated successfully from the chloroform extract and its structural elucidation was performed by spectroscopy analyses …

Ace Inhibitory Activity And Functional Group Analysis Of Solvent- Partitioned Fractions Of Eleusine Indica, Jade Celon Cometa, Liahona Faith Roldan Mancol, Anthony Nalzaro Yen, Joanne Katherine Talens Manlusoc

Pharmaceutical Sciences and Research

Eleusine indica Linn. Gaerth or Indian goose grass has been widely used as an alternative natural anti-hypertensive agent. However, the rationale behind this mechanism is still unknown. The purpose of this study is to confirm the presence of functional groups that may be responsible for its ACE inhibitory activity and its possible synergism. Each solvent-portioned fraction was analyzed by FTIR, individual ACE inhibitory activity, and combination of fractions. FTIR results of solvent- partitioned fractions revealed that O-H and C-H stretches were present in all fractions. In addition to this, C-O and C=O groups were also present in all fractions except …

Assessment Of Depression Among Older Adults Staying In Old Home Care In Klang, Malaysia, Muhammad Qamar, Nurul Zahirah, Sohail Ahmad

Pharmaceutical Sciences and Research

Mental disorders such as depression are widespread, often underdiagnosed, and usually inappropriately treated. The early recognition of factors that may promote depression with the help of depression screening aid can help to plan better care for the patient. Therefore, this study aimed to determine the depression prevalence among the older adults staying in old home care, to explore any association and differences of depression across various socio-demographic variables, and to study the predictors of depression among study subjects. A cross-sectional study was conducted with a convenience sample of 141 elderly by using the validated tool. The study instrument was divided …

Interaction Of Thymidine With Sodium Bis(2-Ethylhexyl) Sulfosuccinate In Alcohol And Water: Studies With Uv-Vis Technique, Indu M. Paudel, Ajaya Bhattarai

Pharmaceutical Sciences and Research

The accurate measurement of thymidine absorbance in the presence of sodium bis(2-ethylhexyl) sulfosuccinate (AOT) in ethanol and water systems at room temperature by UV-vis technique has been reported. The AOT concentrations varied from 0.0005 to 0.014 [mol/L] in ethanol whereas from 0.0002 to 0.042 [mol/L] in water. The concentration of thymidine was 0.0073 [mol/L] during UV-vis spectrum registration. The thymidine spectrum was examined in the presence of AOT concentration. Using a statistical method of non-linear regression (NLREG), thymidine binding and thymidine distribution constants were evaluated. A noticeable decrease in thymidine absorbance in the presence of AOT concentration was shown in …

Encapsulation Of Temulawak Extract By Using Nanocrystalline Cassava And Sago Starches And Maltodextrin, Titi Candra Sunarti, Fatimah J. Pasaribu, Christina Winarti

Pharmaceutical Sciences and Research

This study was conducted to evaluate the performance of Curcuma zanthorrhiza crude extract after encapsulated in nanocrystalline starch, and to investigate the effect of the ratio of nanocrystalline starches and maltodextrin; and the effect of concentration of temulawak extract on nanocapsule characteristics, as well as encapsulation effect on the stability of antioxidant activity. Preparation of nanocrystalline starch was conducted by using lintnerization and ethanol precipitation of cassava and sago starches. Nanocrystalline starch and maltodextrin were used as matrices with the ratio varied from 25:75, 50:50, and 75:25. The mixture of temulawak extract and matrices were homogenized and spray dried. Nanocapsules …

Tobacco/Hiv-1-Induced Myeloid Cell-Derived Extracellular Vesicles In Hiv-1 Pathogenesis, Sanjana Haque

Theses and Dissertations (ETD)

Introduction. Smoking, which is highly prevalent in people living with HIV/AIDS, has been shown to exacerbate HIV-1 replication, in part via cytochrome P450 (CYP)-induced oxidative stress. CYP enzymes metabolize cigarette smoke condensate (CSC), causing oxidative stress and cytotoxicity. Our previous studies have demonstrated that CSC and specific CSC constituents, benzo(a)pyrene and nicotine, potentially induce CYPs, resulting in higher oxidative stress and subsequent exacerbation of HIV-1 replication in monocytes and macrophages. However, the exact mechanism behind tobacco-induced, oxidative stress-mediated enhancement of HIV-1 replication is still poorly understood. Extracellular vesicles (EVs) have recently gained attention for their unique nature as intercellular messengers …