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Purine Nucleotides Metabolism and Signaling in Human Diseases: Search for a Target for Novel Therapies

A special issue of International Journal of Molecular Sciences (ISSN 1422-0067). This special issue belongs to the section "Biochemistry".

Deadline for manuscript submissions: closed (31 August 2023) | Viewed by 4485

Special Issue Editor


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Guest Editor
Section de Structures Biologiques, Pharmacologie et Enzymologie, CNRS/Unistra, CRBS, UR 3072, CEDEX, 67084 Strasbourg, France
Interests: cAMP; cGMP; cellular signaling; cyclic nucleotide phosphodiesterase (PDE); subcellular compartments; Kinases

Special Issue Information

Dear Colleagues,

Among purine nucleotides metabolism, the cyclic AMP (cAMP) discovered as  the “second messenger”, was first investigated as the main contributor of intracellular signaling, as explored by the 1971 Nobel Prize in Physiology or Medicine recipient Earl W. Sutherland, Jr. Later, research was conducted for cGMP by 1998 Nobel Prize recipients, Robert F. Furchgott, Louis J. Ignarro and Ferid Murad. Currently, the development of molecular biology allows us to investigate and classify the superfamily of cyclic nucleotide phosphodiesterases. They specifically control cyclic nucleotides levels at different cellular levels, hydrolyzing cyclic nucleotides in their respective nucleotide monophosphates, which can modulate cellular signaling cascade.

Our knowledge of intracellular signaling regulation drastically increased during the last fifty years opening the development of multiple signaling pathways, issued from purine nucleotides.

In the present Special Issue, it would be of interest to consider not only part of the specific molecular regulations of signaling, but to consider the whole signalosome, determining links inside the regulatory cascade and purine nucleotides mechanisms in normal and pathological states in humans, in order to develop new therapeutic approaches.

Prof. Dr. Claire Lugnier
Guest Editor

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Keywords

  • cAMP
  • cGMP
  • AMP
  • GMP
  • PKA
  • PKG
  • CREB
  • cyclic nucleotide phosphodiesterase (PDE1-PDE11)
  • AMPkinase
  • MAPkinase
  • mRNA

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Published Papers (2 papers)

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Research

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18 pages, 5405 KiB  
Article
Hair Thickness Growth Effect of Adenosine Complex in Male-/Female-Patterned Hair Loss via Inhibition of Androgen Receptor Signaling
by Jaeyoon Kim, Jae young Shin, Yun-Ho Choi, Jang Ho Joo, Mi Hee Kwack, Young Kwan Sung and Nae Gyu Kang
Int. J. Mol. Sci. 2024, 25(12), 6534; https://doi.org/10.3390/ijms25126534 - 13 Jun 2024
Cited by 1 | Viewed by 2331
Abstract
Aging (senescence) is an unavoidable biological process that results in visible manifestations in all cutaneous tissues, including scalp skin and hair follicles. Previously, we evaluated the molecular function of adenosine in promoting alopecia treatment in vitro. To elucidate the differences in the molecular [...] Read more.
Aging (senescence) is an unavoidable biological process that results in visible manifestations in all cutaneous tissues, including scalp skin and hair follicles. Previously, we evaluated the molecular function of adenosine in promoting alopecia treatment in vitro. To elucidate the differences in the molecular mechanisms between minoxidil (MNX) and adenosine, gene expression changes in dermal papilla cells were examined. The androgen receptor (AR) pathway was identified as a candidate target of adenosine for hair growth, and the anti-androgenic activity of adenosine was examined in vitro. In addition, ex vivo examination of human hair follicle organ cultures revealed that adenosine potently elongated the anagen stage. According to the severity of alopecia, the ratio of the two peaks (terminal hair area/vellus hair area) decreased continuously. We further investigated the adenosine hair growth promoting effect in vivo to examine the hair thickness growth effects of topical 5% MNX and the adenosine complex (0.75% adenosine, 1% penthenol, and 2% niacinamide; APN) in vivo. After 4 months of administration, both the MNX and APN group showed significant increases in hair density (MNX + 5.01% (p < 0.01), APN + 6.20% (p < 0.001)) and thickness (MNX + 5.14% (p < 0.001), APN + 10.32% (p < 0.001)). The inhibition of AR signaling via adenosine could have contributed to hair thickness growth. We suggest that the anti-androgenic effect of adenosine, along with the evaluation of hair thickness distribution, could help us to understand hair physiology and to investigate new approaches for drug development. Full article
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Review

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18 pages, 2901 KiB  
Review
Energy Regulation in Inflammatory Sarcopenia by the Purinergic System
by Miguel Marco-Bonilla, Maria Fresnadillo, Raquel Largo, Gabriel Herrero-Beaumont and Aránzazu Mediero
Int. J. Mol. Sci. 2023, 24(23), 16904; https://doi.org/10.3390/ijms242316904 - 29 Nov 2023
Cited by 1 | Viewed by 1783
Abstract
The purinergic system has a dual role: the maintenance of energy balance and signaling within cells. Adenosine and adenosine triphosphate (ATP) are essential for maintaining these functions. Sarcopenia is characterized by alterations in the control of energy and signaling in favor of catabolic [...] Read more.
The purinergic system has a dual role: the maintenance of energy balance and signaling within cells. Adenosine and adenosine triphosphate (ATP) are essential for maintaining these functions. Sarcopenia is characterized by alterations in the control of energy and signaling in favor of catabolic pathways. This review details the association between the purinergic system and muscle and adipose tissue homeostasis, discussing recent findings in the involvement of purinergic receptors in muscle wasting and advances in the use of the purinergic system as a novel therapeutic target in the management of sarcopenia. Full article
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