Endothelial autophagy blockade fosters anti-cancer immunity.

The discovery of immune checkpoints, consisting of transmembrane ligand-receptor protein pairs that negatively regulate the CD8 T-cell-mediated immune response by antigen-presenting cells (APCs) and by cancer cells, has enabled a fundamental advancement of cancer therapies (Korman et al, 2022). Indeed, harnessing these homeostatic control mechanisms to their own advantage, tumor cells manage to defend themselves from the attack of the immune system, and immune checkpoint blockade (ICB) has proven to be an overwhelmingly successful antitumor therapeutic approach (Korman et al, 2022).

Vesicle choreographies keep up cell-to-extracellular matrix adhesion dynamics in polarized epithelial and endothelial cells.

In metazoans, cell adhesion to the extracellular matrix (ECM) drives the development, functioning, and repair of different tissues, organs, and systems. Disruption or dysregulation of cell-to-ECM adhesion promote the initiation and progression of several diseases, such as bleeding, immune disorders and cancer. Integrins are major ECM transmembrane receptors, whose function depends on both allosteric changes and exo-endocytic traffic, which carries them to and from the plasma membrane.

Neuropilin 1 and its inhibitory ligand mini-tryptophanyl-tRNA synthetase inversely regulate VE-cadherin turnover and vascular permeability.

The formation of a functional blood vessel network relies on the ability of endothelial cells (ECs) to dynamically rearrange their adhesive contacts in response to blood flow and guidance cues, such as vascular endothelial growth factor-A (VEGF-A) and class 3 semaphorins (SEMA3s). Neuropilin 1 (NRP1) is essential for blood vessel development, independently of its ligands VEGF-A and SEMA3, through poorly understood mechanisms. Grounding on unbiased proteomic analysis, we report here that NRP1 acts as an endocytic chaperone primarily for adhesion receptors on the surface of unstimulated ECs.

Tumoral Neuroligin 1 Promotes Cancer-Nerve Interactions and Synergizes with the Glial Cell Line-Derived Neurotrophic Factor.

Many nervous proteins are expressed in cancer cells. In this report, we asked whether the synaptic protein neuroligin 1 (NLGN1) was expressed by prostatic and pancreatic carcinomas; in addition, given the tendency of these tumors to interact with nerves, we asked whether NLGN1 played a role in this process. Through immunohistochemistry on human tissue microarrays, we showed that NLGN1 is expressed by prostatic and pancreatic cancer tissues in discrete stages and tumor districts.

LPHN2 inhibits vascular permeability by differential control of endothelial cell adhesion.

Dynamic modulation of endothelial cell-to-cell and cell-to-extracellular matrix (ECM) adhesion is essential for blood vessel patterning and functioning. Yet the molecular mechanisms involved in this process have not been completely deciphered. We identify the adhesion G protein-coupled receptor (ADGR) Latrophilin 2 (LPHN2) as a novel determinant of endothelial cell (EC) adhesion and barrier function.

Distinct retrograde microtubule motor sets drive early and late endosome transport.

Although subcellular positioning of endosomes significantly impacts on their functions, the molecular mechanisms governing the different steady-state distribution of early endosomes (EEs) and late endosomes (LEs)/lysosomes (LYs) in peripheral and perinuclear eukaryotic cell areas, respectively, are still unsolved. We unveil that such differences arise because, while LE retrograde transport depends on the dynein microtubule (MT) motor only, the one of EEs requires the cooperative antagonism of dynein and kinesin-14 KIFC1, a MT minus end-directed motor involved in cancer progression. Mechanistically, the Ser-x-Ile-Pro (SxIP) motif-mediated interaction of the endoplasmic reticulum transmembrane protein stromal interaction molecule 1 (STIM1) with the MT plus end-binding protein 1 (EB1) promotes its association with the p150Glued subunit of the dynein activator complex dynactin and the distinct location of EEs and LEs/LYs.

Early evidence for a virus-like agent infecting the pest snail Theba pisana (Gastropoda: Pulmonata) in Southern Italy.

The Mediterranean land snail Theba pisana (Mollusca: Helicidae) is an introduced agricultural pest in many countries around the world, including Australia, Israel, USA and South Africa. In addition, this snail is an intermediate host of parasites of importance in both human and veterinary medicine. In this study, a natural population of T.

Disease and Disorders of Freshwater Unionid Mussels: A Brief Overview of Recent Studies.

The use of aquatic invertebrates in biomedical research and as environmental sentinels has dramatically grown in recent decades, with an increased need in understanding of comparative pathology. The Unionids freshwater mussels are a group of worldwide distributed bivalves residing small ditches and ponds, lakes, canals and rivers, often used as animal test in eco-toxicological studies. Once one of the most abundant bivalve molluscs in ancient rivers around the world, now many of them are declining in many countries and consequently are nearly extinct in many areas.

A direct interaction between fascin and microtubules contributes to adhesion dynamics and cell migration.

Fascin is an actin-binding and bundling protein that is highly upregulated in most epithelial cancers. Fascin promotes cell migration and adhesion dynamics in vitro and tumour cell metastasis in vivo. However, potential non-actin bundling roles for fascin remain unknown.

CCM2-CCM3 interaction stabilizes their protein expression and permits endothelial network formation.

Mutations in the essential adaptor proteins CCM2 or CCM3 lead to cerebral cavernous malformations (CCM), vascular lesions that most frequently occur in the brain and are strongly associated with hemorrhagic stroke, seizures, and other neurological disorders. CCM2 binds CCM3, but the molecular basis of this interaction, and its functional significance, have not been elucidated. Here, we used x-ray crystallography and structure-guided mutagenesis to show that an α-helical LD-like motif within CCM2 binds the highly conserved "HP1" pocket of the CCM3 focal adhesion targeting (FAT) homology domain.

[Clinical study on 40 cases of inflammatory pathologies of upper respiratory and digestive tract treated by inhalatory crenotherapy].

Objectives: Authors present beneficial effects of crenotherapy on 40 patients suffering from inflammatory mucosal conditions of upper respiratory-digestive tract (URDT).

Materials And Methods: Our study was realized at the hydrothermal premises in Telese Terme (BN, Italy). Subjects selected for this study are 40 patients (22 males and 18 females) aged 20-68 years (mean 38.

[Glucan solution nasal spray vs saline in the treatment of chronic rhinosinusitis: a multi-centric double blind randomised clinical trial].

Objectives: The aim of our study was to evaluate the efficacy of 30 days treatment with glucan solution nasal spray vs. saline in the treatment of signs and symptoms of chronic rhinosinusitis.

Materials And Methods: 100 patients affected by chronic rhinosinusitis were enrolled.

[Case report: ipsilateral association of posterior and anterior canalolithiasis].

Benign paroxysmal positional vertigo (BPPV) is the most frequently occurring dizzy syndrome. The literature provides ample descriptions of the forms determined by canalo/cupulolithiasis of the posterior canal, the most common, as well as canalo/cupulolithiasis of the horizontal canal. Descriptions of the forms of canalo/cupulolithiasis of the anterior canal are, instead, very rare and, sometimes questioned: this is fundamentally due to its superior position, which makes it a much less likely site for the accumulation of debris, both from a conceptual and practical point of view.

[Pleomorphic adenoma in unusual anatomic sites: case reports and review of literature].

Pleomorphic adenoma is the most common neoplasm of the major salivary glands, in particular of the parotid gland. Only occasionally can it be found in the cervicofacial area outside the major and minor salivary glands of the oral cavity. The present article describes three cases of pleomorphic adenoma, respectively of the external auditory canal, the nose, and the larynx.

[Sign-report: torsional nystagmus from head-shaking in patients with labyrinth lithiasis of the vertical canal].

The clinical picture of Positional Paroxysmal Vertigo (PPV) induced by vertical canal labyrintholithiasis has been clearly described, eliminating previous interpretations of pathogenesis of this disorder. The diagnosis of PPV is based on the well-known picture of positional paroxysmal Nystagmus. The Authors report a clinical sign which has not previously been reported in the literature: torsional Nystagmus induced by the Head-Shaking Test (HST).

[Vertical nystagmus induced by the head-shaking test: 10 cases].

In cases of central and/or peripheral vestibular system asymmetry, Head-Shaking test-induced Nystagmus (H.S.-Ny) can appear after a cycle of 20 horizontal head oscillations.

[Use of CO2 laser in conservative surgery of glottic tumors].

The present work evaluates the results obtained in a group of 360 patients with laryngeal-glottic tumors (classification T1/T2-N0-M0) who, in the last 10 years, have undergone direct microlaryngoscopy surgery employing a CO2 Laser. In the T1 glottic carcinomas the neoplasm was limited to the vocal cord on one side or it involved the anterior commissure and, most likely, the vocal cord on the opposite side; in T2 glottic tumors the extension reached the hypoglottic region and/or the Morgagni ventricle and the false vocal cords on one or both sides but without compromising laryngeal motility. The five year healing rate for the T1 tumors proved to be 84.

CO2 laser in laryngeal microsurgery.

The CO2 Laser is used in the treatment of several laryngeal diseases and offers considerable advantages over traditional techniques. New applications of this surgical tool are currently under study for other laryngeal and ENT pathologies. It should be pointed out that there are some limitations to the use of the CO2 Laser; an accurate examination of its indications is needed, as well as a precise knowledge of its techniques and possibilities.

The CO2 laser in the laryngeal microsurgery.

636 patients suffering from several laryngeal pathologies were treated with the CO2 laser. The results obtained confirm that this instrument is a valid alternative surgical tool, in comparison with the traditional surgery, because it allows to carry out the removal of the lesion with greater precision and more advantageously, when clinical indications are exact and surgical technique correctly performed. The results are as follows: Vocal nodules: no real advantages are offered by the CO2 laser in the treatment of these pathologies, whereas, in a small percentage of cases, the occurrence of reactive nodules or scars was noted; Cordal polyps are better removed with the traditional procedures, whereas the CO2 laser allows a more accurate excision of voluminous polyps or edemas of Reinke because of the bloodless operative field; Dyskeratoses: better functional results can be obtained using the laser.

[Yersinia enterocolitica infection has taken hold even in our country].

The Yersinia enterocolitis is a kind of disease whose diffusion is gradually increasing in North Europe. The authors relates about the outcomes of a serum-immunologic research conducted during the period 1982-84 on a sample of 965 adults coming from three different italian districts (Roma, Siena, Napoli) and 65 children coming from Napoli. They interpret antibody titers painted out by their research comparing them with ones reported in bibliography.