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International Journal of Molecular Sciences, Volume 22, Issue 12

June-2 2021 - 476 articles

Cover Story: SARS-CoV-2 has a simple structure consisting of a capsid that covers genomic RNA and an envelope that covers the capsid. The envelope is pierced by hundreds of spikes composed of S protein. The S protein has been used as an antigen for all newly developed vaccines. The oral cavity is an important portal for ingress of SARS-CoV-2, being an entryway to the bronchi, alveoli, and rest of the lower respiratory tract, causing inflammation by viral infection. Moreover, angiotensin-converting enzyme 2, a host receptor for SARS-CoV-2, coupled with proteases responsible for viral entry, has been found to be expressed on the tongue and other oral mucosae, suggesting that the oral cavity is a site of virus replication and propagation. Therefore, it may be expected that oral health management not only prevents comorbidities involved in aggravating COVID-19 but also has an effect against COVID-19 progression. View this paper
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Articles (476)

  • Article
  • Open Access
10 Citations
4,133 Views
17 Pages

Tissue factor (TF) plays an important role in the progression and angiogenesis of tumor cells. The present study investigated the mechanism of interleukin-1β (IL-1β)-induced TF expression in A549 lung cancer cells. Based on mRNA and protein analyses,...

  • Review
  • Open Access
63 Citations
6,843 Views
16 Pages

Inflammatory Mechanisms in COVID-19 and Atherosclerosis: Current Pharmaceutical Perspectives

  • Marios Sagris,
  • Panagiotis Theofilis,
  • Alexios S. Antonopoulos,
  • Costas Tsioufis,
  • Evangelos Oikonomou,
  • Charalambos Antoniades,
  • Filippo Crea,
  • Juan Carlos Kaski and
  • Dimitris Tousoulis

Coronavirus disease 2019 (COVID-19) caused by the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) has been associated with excess mortality worldwide. The cardiovascular system is the second most common target of SARS-CoV-2, which leads...

  • Article
  • Open Access
15 Citations
4,213 Views
14 Pages

Complement Factor D (adipsin) Levels Are Elevated in Acquired Partial Lipodystrophy (Barraquer–Simons syndrome)

  • Fernando Corvillo,
  • Laura González-Sánchez,
  • Alberto López-Lera,
  • Emilia Arjona,
  • Giovanni Ceccarini,
  • Ferruccio Santini,
  • David Araújo-Vilar,
  • Rebecca J Brown,
  • Joan Villarroya and
  • Francesc Villarroya
  • + 4 authors

Complement overactivation has been reported in most patients with Barraquer–Simons syndrome (BSS), a rare form of acquired partial lipodystrophy. Complement Factor D (FD) is a serine protease with a crucial role in the activation of the alternative p...

  • Review
  • Open Access
61 Citations
6,281 Views
20 Pages

Protein function and flexibility is directly related to the native distribution of its structural elements and any alteration in protein architecture leads to several abnormalities and accumulation of misfolded proteins. This phenomenon is associated...

  • Article
  • Open Access
13 Citations
3,327 Views
18 Pages

MircroRNA Profiles of Early Rice Inflorescence Revealed a Specific miRNA5506 Regulating Development of Floral Organs and Female Megagametophyte in Rice

  • Zhixiong Chen,
  • Yajing Li,
  • Peigang Li,
  • Xiaojie Huang,
  • Mingxin Chen,
  • Jinwen Wu,
  • Lang Wang,
  • Xiangdong Liu and
  • Yajuan Li

The developmental process of inflorescence and gametophytes is vital for sexual reproduction in rice. Multiple genes and conserved miRNAs have been characterized to regulate the process. The changes of miRNAs expression during the early development o...

  • Review
  • Open Access
13 Citations
5,411 Views
11 Pages

Inappropriate secretion of thyroid-stimulating hormone (IST), also known as central hyperthyroidism, is a clinical condition characterized by elevated free thyroxine and triiodothyronine concentrations concurrent with detectable thyroid-stimulating h...

  • Review
  • Open Access
24 Citations
6,199 Views
14 Pages

SOS2 Comes to the Fore: Differential Functionalities in Physiology and Pathology

  • Fernando C. Baltanás,
  • Rósula García-Navas and
  • Eugenio Santos

The SOS family of Ras-GEFs encompasses two highly homologous and widely expressed members, SOS1 and SOS2. Despite their similar structures and expression patterns, early studies of constitutive KO mice showing that SOS1-KO mutants were embryonic leth...

  • Review
  • Open Access
20 Citations
6,500 Views
18 Pages

Molecular Changes on Maternal–Fetal Interface in Placental Abruption—A Systematic Review

  • Monika Bączkowska,
  • Magdalena Zgliczyńska,
  • Jan Faryna,
  • Ewa Przytuła,
  • Błażej Nowakowski and
  • Michał Ciebiera

Placental abruption is the separation of the placenta from the lining of the uterus before childbirth. It is an infrequent perinatal complication with serious after-effects and a marked risk of maternal and fetal mortality. Despite the fact that nume...

  • Review
  • Open Access
44 Citations
4,262 Views
18 Pages

Studies of recent decades have repeatedly demonstrated the cytotoxic effect of selenium-containing compounds on cancer cells of various origins. Particular attention in these studies is paid to methylseleninic acid, a widespread selenium-containing c...

  • Article
  • Open Access
7 Citations
3,532 Views
22 Pages

Mechanistic Monte Carlo (MC) simulation of radiation interaction with water and DNA is important for the understanding of biological responses induced by ionizing radiation. In our previous work, we employed the Graphical Processing Unit (GPU)-based...

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Int. J. Mol. Sci. - ISSN 1422-0067