You are currently on the new version of our website. Access the old version .

33 Results Found

  • Article
  • Open Access
5 Citations
6,131 Views
18 Pages

Resistance to 6-Methylpurine is Conferred by Defective Adenine Phosphoribosyltransferase in Tetrahymena

  • Takahiko Akematsu,
  • Andrew Findlay,
  • Yasuhiro Fukuda,
  • Ronald E. Pearlman,
  • Josef Loidl,
  • Eduardo Orias and
  • Eileen P. Hamilton

23 March 2018

6-methylpurine (6mp) is a toxic analog of adenine that inhibits RNA and protein synthesis and interferes with adenine salvage mediated by adenine phosphoribosyltransferase (APRTase). Mutants of the ciliated protist Tetrahymena thermophila that are re...

  • Article
  • Open Access
3 Citations
4,647 Views
17 Pages

Apt (Adenine Phosphoribosyltransferase) Mutation in Laboratory-Selected Vancomycin-Intermediate Staphylococcus aureus

  • Reena Lamichhane-Khadka,
  • Santosh Dulal,
  • Jesus A. Cuaron,
  • Richard Pfeltz,
  • Sushim Kumar Gupta,
  • Brian J. Wilkinson and
  • John E. Gustafson

Comparative genomic sequencing of laboratory-derived vancomycin-intermediate Staphylococcusaureus (VISA) (MM66-3 and MM66-4) revealed unique mutations in both MM66-3 (in apt and ssaA6), and MM66-4 (in apt and walK), compared to hetero-VISA parent str...

  • Article
  • Open Access
18 Citations
4,109 Views
16 Pages

25 February 2021

Cladribine triphosphate is the active compound of the anti-cancer and multiple sclerosis drug Mavenclad (cladribine). Biosynthesis of such non-natural deoxyribonucleotides is challenging but important in order to study the pharmaceutical modes of act...

  • Article
  • Open Access
17 Citations
5,541 Views
16 Pages

Nicotinamide Phosphoribosyltransferase (Nampt)/Nicotinamide Adenine Dinucleotide (NAD) Axis Suppresses Atrial Fibrillation by Modulating the Calcium Handling Pathway

  • Duo Feng,
  • DongZhu Xu,
  • Nobuyuki Murakoshi,
  • Kazuko Tajiri,
  • Rujie Qin,
  • Saori Yonebayashi,
  • Yuta Okabe,
  • Siqi Li,
  • Zixun Yuan and
  • Masaki Ieda
  • + 1 author

Aging and obesity are the most prominent risk factors for onset of atrial fibrillation (AF). Nicotinamide phosphoribosyltransferase (Nampt) is the rate-limiting enzyme that catalyzes nicotinamide adenine dinucleotide (NAD) activity. Nampt and NAD are...

  • Review
  • Open Access
8 Citations
6,775 Views
22 Pages

20 March 2023

The intestine has garnered attention as a target organ for developing new therapies for impaired glucose tolerance. The intestine, which produces incretin hormones, is the central regulator of glucose metabolism. Glucagon-like peptide-1 (GLP-1) produ...

  • Article
  • Open Access
33 Citations
7,720 Views
11 Pages

To date, Chlorella vulgaris is the most used species of microalgae in the food and feed additive industries, and also considered as a feasible cell factory for bioproducts. However, the lack of an efficient genetic engineering tool makes it difficult...

  • Article
  • Open Access
2 Citations
2,052 Views
17 Pages

Dual Roles of Canagliflozin on Cholangiocarcinoma Cell Growth and Enhanced Growth Suppression in Combination with FK866

  • Daisuke Taguchi,
  • Yohei Shirakami,
  • Hiroyasu Sakai,
  • Daisuke Minowa,
  • Takao Miwa,
  • Toshihide Maeda,
  • Masaya Kubota,
  • Kenji Imai,
  • Takashi Ibuka and
  • Masahito Shimizu

Cholangiocarcinoma-associated mortality has been increasing over the past decade. The sodium-glucose cotransporter 2 inhibitor, canagliflozin, has demonstrated anti-tumor effects against several types of cancers; however, studies examining its potent...

  • Article
  • Open Access
11 Citations
3,331 Views
15 Pages

Potential Therapeutic Effects of NAMPT-Mediated NAD Biosynthesis in Depression In Vivo

  • Jue Wang,
  • Runxuan Sun,
  • Linhan Xia,
  • Xinying Zhu,
  • Qi Zhang and
  • Yilu Ye

11 December 2022

This study aimed to investigate the potential therapeutic effects of nicotinamide phosphoribosyltransferase (NAMPT)-mediated adenine dinucleotide (NAD) biosynthesis in depression models in vivo. Namptflox/flox mice were used to evaluate the role of N...

  • Article
  • Open Access
11 Citations
3,209 Views
12 Pages

High-fat diet (HFD)-induced vascular impairment in mice is associated with a dysfunction of the perivascular adipose tissue (PVAT). The present study was conducted to investigate the involvement of sirtuin 1 (SIRT1). Male C57BL/6J mice were fed an HF...

  • Correction
  • Open Access
2,265 Views
2 Pages

8 October 2021

The authors wish to make the following corrections to this paper [...]

  • Review
  • Open Access
17 Citations
14,252 Views
34 Pages

Inhibitors of NAD+ Production in Cancer Treatment: State of the Art and Perspectives

  • Moustafa S. Ghanem,
  • Irene Caffa,
  • Fiammetta Monacelli and
  • Alessio Nencioni

8 February 2024

The addiction of tumors to elevated nicotinamide adenine dinucleotide (NAD+) levels is a hallmark of cancer metabolism. Obstructing NAD+ biosynthesis in tumors is a new and promising antineoplastic strategy. Inhibitors developed against nicotinamide...

  • Article
  • Open Access
1 Citations
3,284 Views
8 Pages

Genome Analysis of Nicotinamide Adenine Dinucleotide-Independent Mycoplasma synoviae Isolates From Korea

  • Yongjun Song,
  • Tae-Min La,
  • Taesoo Kim,
  • Gyuhee Ahn,
  • Won Hur,
  • Hong-Jae Lee,
  • Hyunjin Shin,
  • Seung-un Song,
  • Eunjin Park and
  • Sang-Won Lee
  • + 3 authors

23 September 2021

Mycoplasma synoviae (MS) is an avian pathogen that causes respiratory disease, infectious synovitis, and eggshell apex abnormalities in chickens. Nicotinamide adenine dinucleotide (NAD)-independent MS was first reported in 1975. Despite the atypical...

  • Article
  • Open Access
3 Citations
3,327 Views
19 Pages

Properly Substituted Benzimidazoles as a New Promising Class of Nicotinate Phosphoribosyltransferase (NAPRT) Modulators

  • Cecilia Baldassarri,
  • Gianfabio Giorgioni,
  • Alessandro Piergentili,
  • Wilma Quaglia,
  • Stefano Fontana,
  • Valerio Mammoli,
  • Gabriele Minazzato,
  • Elisa Marangoni,
  • Massimiliano Gasparrini and
  • Fabio Del Bello
  • + 4 authors

27 January 2023

The prevention of nicotinamide adenine dinucleotide (NAD) biosynthesis is considered an attractive therapeutic approach against cancer, considering that tumor cells are characterized by an increased need for NAD to fuel their reprogrammed metabolism....

  • Review
  • Open Access
33 Citations
14,233 Views
25 Pages

17 February 2022

Nicotinamide adenine dinucleotide (NAD) is a versatile chemical compound serving as a coenzyme in metabolic pathways and as a substrate to support the enzymatic functions of sirtuins (SIRTs), poly (ADP-ribose) polymerase-1 (PARP-1), and cyclic ADP ri...

  • Review
  • Open Access
97 Citations
7,765 Views
19 Pages

Visfatin: A Possible Role in Cardiovasculo-Metabolic Disorders

  • Ali Dakroub,
  • Suzanne A. Nasser,
  • Nour Younis,
  • Humna Bhagani,
  • Yusra Al-Dhaheri,
  • Gianfranco Pintus,
  • Assaad A. Eid,
  • Ahmed F. El-Yazbi and
  • Ali H. Eid

9 November 2020

Visfatin/NAMPT (nicotinamide phosphoribosyltransferase) is an adipocytokine with several intriguing properties. It was first identified as pre-B-cell colony-enhancing factor but turned out to possess enzymatic functions in nicotinamide adenine dinucl...

  • Article
  • Open Access
14 Citations
5,288 Views
12 Pages

Enzymatic and Chemical Syntheses of Vacor Analogs of Nicotinamide Riboside, NMN and NAD

  • Lars Jansen Sverkeli,
  • Faisal Hayat,
  • Marie E. Migaud and
  • Mathias Ziegler

16 July 2021

It has recently been demonstrated that the rat poison vacor interferes with mammalian NAD metabolism, because it acts as a nicotinamide analog and is converted by enzymes of the NAD salvage pathway. Thereby, vacor is transformed into the NAD analog v...

  • Article
  • Open Access
13 Citations
5,341 Views
12 Pages

The NAMPT Inhibitor FK866 in Combination with Cisplatin Reduces Cholangiocarcinoma Cells Growth

  • Kishor Pant,
  • Seth Richard,
  • Estanislao Peixoto,
  • Jun Yin,
  • Davis M. Seelig,
  • Pietro Carotenuto,
  • Massimiliano Salati,
  • Brunella Franco,
  • Lewis R. Roberts and
  • Sergio A. Gradilone

28 February 2023

It is well established that Cholangiocarcioma (CCA) drug resistance plays a crucial role in the spread and survival of cancer cells. The major enzyme in the nicotinamide-adenine dinucleotide (NAD+)-mediated pathways, nicotinamide phosphoribosyltransf...

  • Article
  • Open Access
2 Citations
4,405 Views
26 Pages

Targeting NAD Metabolism: Rational Design, Synthesis and In Vitro Evaluation of NAMPT/PARP1 Dual-Target Inhibitors as Anti-Breast Cancer Agents

  • Yingpeng Li,
  • Xianxiu Kong,
  • Xinhong Chu,
  • Hui Fu,
  • Xinchi Feng,
  • Chengcheng Zhao,
  • Yanru Deng and
  • Jun Ge

14 June 2024

The malignancy of breast cancer poses a global challenge, with existing treatments often falling short of desired efficacy. Extensive research has underscored the effectiveness of targeting the metabolism of nicotinamide adenine dinucleotide (NAD), a...

  • Article
  • Open Access
7 Citations
4,246 Views
23 Pages

Anticancer Activities of Novel Nicotinamide Phosphoribosyltransferase Inhibitors in Hematological Malignancies

  • Paulina Biniecka,
  • Saki Matsumoto,
  • Axel Belotti,
  • Jessie Joussot,
  • Jian Fei Bai,
  • Somi Reddy Majjigapu,
  • Paul Thoueille,
  • Dany Spaggiari,
  • Vincent Desfontaine and
  • Aimable Nahimana
  • + 7 authors

16 February 2023

Targeting cancer cells that are highly dependent on the nicotinamide adenine dinucleotide (NAD+) metabolite is a promising therapeutic strategy. Nicotinamide phosphoribosyltransferase (NAMPT) is the rate-limiting enzyme catalyzing NAD+ production. De...

  • Article
  • Open Access
5 Citations
3,030 Views
11 Pages

Nicotinamide adenine dinucleotide (NAD) is a pivotal coenzyme that has emerged as a central hub linking redox equilibrium and signal transduction in living cells. The homeostasis of NAD is required for plant growth, development, and adaption to envir...

  • Article
  • Open Access
23 Citations
5,521 Views
13 Pages

Development of an Effective 6-Methylpurine Counterselection Marker for Genetic Manipulation in Thermococcus barophilus

  • Tiphaine Birien,
  • Axel Thiel,
  • Ghislaine Henneke,
  • Didier Flament,
  • Yann Moalic and
  • Mohamed Jebbar

7 February 2018

A gene disruption system for Thermococcus barophilus was developed using simvastatin (HMG-CoA reductase encoding gene) for positive selection and 5-Fluoroorotic acid (5-FOA), a pyrF gene for negative selection. Multiple gene mutants were constructed...

  • Review
  • Open Access
17 Citations
7,095 Views
33 Pages

NAD/NAMPT and mTOR Pathways in Melanoma: Drivers of Drug Resistance and Prospective Therapeutic Targets

  • Alice Indini,
  • Irene Fiorilla,
  • Luca Ponzone,
  • Enzo Calautti and
  • Valentina Audrito

1 September 2022

Malignant melanoma represents the most fatal skin cancer due to its aggressive behavior and high metastatic potential. The introduction of BRAF/MEK inhibitors and immune-checkpoint inhibitors (ICIs) in the clinic has dramatically improved patient sur...

  • Article
  • Open Access
1 Citations
2,691 Views
15 Pages

Inhibition of NAMPT by PAK4 Inhibitors

  • Yiling Wang and
  • Audrey Minden

21 September 2024

The serine/threonine kinase PAK4 plays a crucial role in regulating cell proliferation, survival, migration, and invasion. Overexpression of PAK4 correlates with poor prognosis in some cancers. KPT-9274, a PAK4 inhibitor, significantly reduces the gr...

  • Review
  • Open Access
54 Citations
15,474 Views
35 Pages

Advances in NAD-Lowering Agents for Cancer Treatment

  • Moustafa S. Ghanem,
  • Fiammetta Monacelli and
  • Alessio Nencioni

14 May 2021

Nicotinamide adenine dinucleotide (NAD) is an essential redox cofactor, but it also acts as a substrate for NAD-consuming enzymes, regulating cellular events such as DNA repair and gene expression. Since such processes are fundamental to support canc...

  • Article
  • Open Access
13 Citations
5,244 Views
17 Pages

Dual Effects of Korean Red Ginseng on Astrocytes and Neural Stem Cells in Traumatic Brain Injury: The HO-1–Tom20 Axis as a Putative Target for Mitochondrial Function

  • Minsu Kim,
  • Sunhong Moon,
  • Hui Su Jeon,
  • Sueun Kim,
  • Seong-Ho Koh,
  • Mi-Sook Chang,
  • Young-Myeong Kim and
  • Yoon Kyung Choi

4 March 2022

Astrocytes display regenerative potential in pathophysiologic conditions. In our previous study, heme oxygenase-1 (HO-1) promoted astrocytic mitochondrial functions in mice via the peroxisome-proliferator-activating receptor-γ coactivator-1&alp...

  • Brief Report
  • Open Access
5 Citations
3,898 Views
9 Pages

3 December 2020

There is evidence in rodents to suggest that theacrine-based supplements modulate tissue sirtuin activity as well as other biological processes associated with aging. Herein, we examined if a theacrine-based supplement (termed NAD3) altered sirtuin a...

  • Article
  • Open Access
10 Citations
3,357 Views
16 Pages

Hepatic Nampt Deficiency Aggravates Dyslipidemia and Fatty Liver in High Fat Diet Fed Mice

  • Dao-Xin Wang,
  • Sheng-Li Qing,
  • Zhu-Wei Miao,
  • Heng-Yu Luo,
  • Jia-Sheng Tian,
  • Xiu-Ping Zhang,
  • Shu-Na Wang,
  • Tian-Guang Zhang and
  • Chao-Yu Miao

10 February 2023

Nicotinamide phosphoribosyltransferase (Nampt) is the rate-limiting enzyme in the salvage pathway of nicotinamide adenine dinucleotide (NAD) biosynthesis. Thus far, hepatic Nampt has not been extensively explored in terms of its effects on serum lipi...

  • Communication
  • Open Access
3 Citations
11,765 Views
10 Pages

20 March 2024

Nicotinamide adenine dinucleotide (NAD+) plays a pivotal role in various physiological processes within mammalian cells, including energy metabolism, redox homeostasis, and genetic regulation. In the majority of mammalian cellular contexts, NAD+ bios...

  • Article
  • Open Access
12 Citations
2,914 Views
24 Pages

The Effect of Visfatin on the Functioning of the Porcine Pituitary Gland: An In Vitro Study

  • Karolina Szymanska,
  • Edyta Rytelewska,
  • Ewa Zaobidna,
  • Marta Kiezun,
  • Marlena Gudelska,
  • Grzegorz Kopij,
  • Kamil Dobrzyn,
  • Ewa Mlyczynska,
  • Patrycja Kurowska and
  • Tadeusz Kaminski
  • + 4 authors

14 December 2023

Visfatin (VIS), also known as nicotinamide phosphoribosyltransferase (NAMPT), is the rate-limiting enzyme in the biosynthesis of nicotinamide adenine dinucleotide (NAD+). Recently, VIS has been also recognized as an adipokine. Our previous study reve...

  • Article
  • Open Access
23 Citations
7,383 Views
20 Pages

Mutant IDH1 Differently Affects Redox State and Metabolism in Glial Cells of Normal and Tumor Origin

  • Julia Biedermann,
  • Matthias Preussler,
  • Marina Conde,
  • Mirko Peitzsch,
  • Susan Richter,
  • Ralf Wiedemuth,
  • Khalil Abou-El-Ardat,
  • Alexander Krüger,
  • Matthias Meinhardt and
  • Barbara Klink
  • + 10 authors

16 December 2019

IDH1R132H (isocitrate dehydrogenase 1) mutations play a key role in the development of low-grade gliomas. IDH1wt converts isocitrate to α-ketoglutarate while reducing nicotinamide adenine dinucleotide phosphate (NADP+), whereas IDH1R132H uses &...

  • Article
  • Open Access
23 Citations
4,547 Views
22 Pages

NAMPT Over-Expression Recapitulates the BRAF Inhibitor Resistant Phenotype Plasticity in Melanoma

  • Valentina Audrito,
  • Vincenzo Gianluca Messana,
  • Enrico Moiso,
  • Nicoletta Vitale,
  • Francesca Arruga,
  • Lorenzo Brandimarte,
  • Federica Gaudino,
  • Elisa Pellegrino,
  • Tiziana Vaisitti and
  • Silvia Deaglio
  • + 2 authors

20 December 2020

Serine–threonine protein kinase B-RAF (BRAF)-mutated metastatic melanoma (MM) is a highly aggressive type of skin cancer. Treatment of MM patients using BRAF/MEK inhibitors (BRAFi/MEKi) eventually leads to drug resistance, limiting any clinical...

  • Article
  • Open Access
2 Citations
1,926 Views
21 Pages

Gallium Resistance in Staphylococcus aureus: Polymorphisms and Morphology Impacting Growth in Metals, Antibiotics and Polyfluorinated Compounds

  • Akamu Ewunkem,
  • Felicia Simpson,
  • David Holland,
  • Tatyana Bowers,
  • Ariyon Bailey,
  • Ja’nyah Gore,
  • Uchenna Iloghalu,
  • Vera Williams,
  • Sarah Adjei-Fremah and
  • Brittany Justice
  • + 1 author

Background and Objectives: The imminent threat of antibiotic resistance has spurred studies of nonconventional antimicrobial approaches. Gallium utilization is a promising and emerging approach to treating a variety of resistant bacteria using &ldquo...

  • Article
  • Open Access
1 Citations
1,459 Views
17 Pages

A Pilot Study: Maternal Undernutrition Programs Energy Metabolism and Alters Metabolic Profile and Morphological Characteristics of Skeletal Muscle in Postnatal Beef Cattle

  • Daichi Nishino,
  • Taketo Haginouchi,
  • Takeshi Shimogiri,
  • Susumu Muroya,
  • Kenji Kawabata,
  • Saki Urasoko,
  • Ichiro Oshima,
  • Shinobu Yasuo and
  • Takafumi Gotoh

19 March 2025

Objectives: This study investigated the long-term effects of maternal undernutrition on overall muscle metabolism, growth performance, and muscle characteristics in postnatal offspring of Wagyu (Japanese Black) cattle. Methods: Wagyu cows were divide...