Atypical lumbar pedicle fractures. A case report and comparative review of the literature: Bisphosphonate-related? Possible matching with diagnostic criteria of atypical fractures of the femur.

Introduction: Bisphosphonates are commonly used to prevent osteoporotic fractures. Many randomized controlled trials have proved the efficacy of bisphosphonates, showing their ability to increase bone mineral density and decrease the risk of hip and vertebral fractures. Atypical, bisphosphonate-related fractures concerning the femur have been widely described and a list of primary and secondary clinical and radiographic criteria are used in order to achieve diagnosis.

Helical PHILOS plating in shaft humeral fractures with proximal extension: a safe choice using an anterior approach.

Helical plating for humeral shaft fractures has gained popularity in recent years as it avoids iatrogenic nerve damage. A total of 16 patients with humeral shaft fracture involving the metaphyseal proximal part were treated between Dicembrer 2016 and January 2023. Complications such as pseudarthrosis, infections and nerve lesions were investigated during the postoperative period.

Excited State Rotational Freedom Impacts Viscosity Sensitivity in Arylcyanoamide Fluorescent Molecular Rotor Dyes.

The microviscosity of intracellular environments plays an important role in monitoring cellular function. Thus, the capability of detecting changes in viscosity can be utilized for the detection of different disease states. Viscosity-sensitive fluorescent molecular rotors are potentially excellent probes for these applications; however, the predictable relationships between chemical structural features and viscosity sensitivity are poorly understood.

Cellular energy regulates mRNA degradation in a codon-specific manner.

Codon optimality is a major determinant of mRNA translation and degradation rates. However, whether and through which mechanisms its effects are regulated remains poorly understood. Here we show that codon optimality associates with up to 2-fold change in mRNA stability variations between human tissues, and that its effect is attenuated in tissues with high energy metabolism and amplifies with age.

Fluorescent molecular rotors as versatile in situ sensors for protein quantitation.

Accurate protein quantitation is essential for many cellular mechanistic studies. Existing technology relies on extrinsic sample evaluation that requires significant volumes of sample as well as addition of assay-specific reagents and importantly, is a terminal analysis. This study exploits the unique chemical features of a fluorescent molecular rotor that fluctuates between twisted-to-untwisted states, with a subsequent intensity increase in fluorescence depending on environmental conditions (e.

Do working length and proximal screw density influence the velocity of callus formation in distal tibia fractures treated with a medial bridge plate?

Introduction: Aim of our study was to evaluate the influence of working length and screw density on callus formation in distal tibial fractures fixed with a medial bridge plate.

Materials And Methods: 42 distal tibia fractures treated with a bridge plate were analyzed. Minimum follow-up was 12 months.

A two-window mini-open approach for suprapectoral tenodesis for traumatic ruptures of the long head of the biceps tendon.

Traumatic rupture of the long head of biceps tendon (LHBT) in the young is rare and it is often related to sports. We describe a technical note of a mini open supra-pectoral tenodesis fixed by the "ToggleLoc™" (Zimmer Biomet, Warsaw, IN, USA) and performed by a two-window approach. The proposed technique guarantees an optimal visualization with low risk of complications and without arthroscopic assistance.

Distal Tibia Fractures: is the Tibia First Technique a Rational Approach?

Introduction: In this retrospective case-series study we discuss the clinical and radiographic outcomes obtained following the "tibia-first concept" in the treatment of distal tibia fractures, both in patients with fibular comminution and in cases with a simple fibula fracture.

Materials And Methods: We analysed a consecutive series of 64 patients who presented at our emergency department with a distal articular tibial and fibular fracture from January 2015 to September 2020. A total of 22 patients met the inclusion and exclusion criteria and were included in the study.

The risk of infection in open distal tibial fracture: the DANGER score.

Introduction: Open fractures of the distal tibia can be functionally devastating, and they remain one of the most challenging injuries treated by trauma surgeons usually burdened with a high rate of complications, including surgical site infections (SSI). Our aim is to analyze the most significant risk factors of SSI and propose a new scoring system-called the DANGER scale-potentially able to predict reliably and quantify the infection risk in distal tibia open fractures.

Methods: We identified six variables summarized in the acronym DANGER where D stands for Diabetes, A for Antibiotic, N for Nature of trauma (high- or low-energy trauma), G represents Grade of fracture following the AO/OTA classification, E indicates Exposure of the fracture according to the Gustilo-Anderson classification, and R represents Relative risk of patient, including use of tobacco, alcoholism, and psychiatric disorders.

Diagnosis and management of a superior gluteal artery lesion following intramedullary fixation of a diaphyseal femoral fracture: a case report.

Introduction: Femur fractures represent a major public health issue and are commonly treated by intramedullary nailing. Among the possible complications of this technique, the injury of the superior gluteal artery (SGA) is quite rare, but it must be promptly recognized and treated.

Case Report: A 35-year-old male was admitted with a right femur diaphyseal fracture.

Electrochemical potential enables dormant spores to integrate environmental signals.

The dormant state of bacterial spores is generally thought to be devoid of biological activity. We show that despite continued dormancy, spores can integrate environmental signals over time through a preexisting electrochemical potential. Specifically, we studied thousands of individual spores that remain dormant when exposed to transient nutrient pulses.

A modified anterolateral swashbuckler approach for distal femoral fractures: description and outcomes.

Background: The treatment of distal femur fractures represents a challenging task. General and local factors, including bone quality, articular surface involvement, fracture comminution, associated soft tissue injuries and ultimately fixation system, all play a role in the final clinical outcome. Current surgical approaches often undermine patellar vascularization and integrity of the extensor apparatus, not guaranteeing sufficient visualization of the medial condyle.

Gambogic acid: Multi-gram scale isolation, stereochemical erosion toward epi-gambogic acid and biological profile.

Introduction: Extracted from gamboge resin, gambogic acid () is a natural product that displays a complex caged xanthone structure and exhibits promising antitumor properties. However, efforts to advance this compound to clinical applications have been thwarted by its limited availability that in turn, restricts its pharmacological optimization.

Methods: We report here an efficient method that allows multigram scale isolation of in greater than 97% diastereomeric purity from various sources of commercially available gamboge.

A combined paratricipital and triceps-splitting approach for distal humeral metaphyseal-diaphyseal fractures in adults.

Background: Distal metaphyseal-diaphyseal fractures of the hume-rus can be challenging. The success lies in achieving a stable fixation that could allow early functional recovery. Our aim is to combine dif-ferent approaches already reported, to obtain an ideal surgical strategy for treating these fracture patterns.

Short-term clinical outcome of not-fixed posterolateral fragment for tibial plateau fractures.

Background: Tibial plateau fractures pose multiple challenges to the surgeon given their frequent intra-articular involvement and the tendency to displace under axial load. The aim of this study is to de-scribe the clinical outcomes of a retrospective case series in which tibial plateau fractures were not treated with PL fragment osteosynthesis.

Methods: In the present retrospective study, we included patients treated for tibial plateau fracture with PL fragment in our department from January 2016 to January 2020.

Complex open elbow fracture-dislocation with severe proximal ulna bone loss: a case report of massive osteochondral allograft surgical treatment.

We report a case of a 69-year-old right-dominant man who had an open Monteggia-like lesion of the right elbow (Gustilo-Andersen IIIA) with severe proximal ulna bone loss associated with an ipsilateral ulnar shaft fracture due to a motorcycle accident. The patient underwent two-stage surgery. Wound debridement and bridging external fixation were performed at first.

Detection of Circulating Tumor Cells and Microbial DNA Fragments in Stage III Colorectal Cancer Patients under Three versus Six Months of Adjuvant Treatment.

Oxaliplatin-fluoropyrimidine combination therapy is the gold standard treatment for patients with stage III colorectal cancer (CRC); however, treatment duration is now under re-evaluation. The aim of the study was the evaluation of the non-inferiority of three over six months treatment with FOLFOX or CAPOX, in stage III CRC patients. Peripheral blood samples from 121 patients were collected, at three time points during treatment and evaluated for circulating tumor cells (CTCs) and microbial DNA detection (16S rRNA, , , ).

Exploring the Effect of Aliphatic Substituents on Aryl Cyano Amides on Enhancement of Fluorescence upon Binding to Amyloid-β Aggregates.

The self-assembly of amyloid-β (Aβ) peptides into amyloid aggregates is a pathological hallmark of Alzheimer's Disease. We previously reported a fluorescent Aryl Cyano Amide (ARCAM) probe that exhibits an increase in fluorescence emission upon binding to Aβ aggregates in solution and in neuronal tissue. Here, we investigate the effect of introducing small aliphatic substituents on the spectroscopic properties of ARCAM both free in solution and when bound to aggregated Aβ.

ProteoSign v2: a faster and evolved user-friendly online tool for statistical analyses of differential proteomics.

Bottom-up proteomics analyses have been proved over the last years to be a powerful tool in the characterization of the proteome and are crucial for understanding cellular and organism behaviour. Through differential proteomic analysis researchers can shed light on groups of proteins or individual proteins that play key roles in certain, normal or pathological conditions. However, several tools for the analysis of such complex datasets are powerful, but hard-to-use with steep learning curves.

The Influence of Medial Comminution in the Treatment Choice of Radial Head Fracture.

Introduction: The aim of our retrospective study was to investigate the role of the medial side involvement in the treatment choice of radial head fractures.

Materials And Methods: We searched the databases of our institutions for the surgical procedures diagnosed as "fracture of the radial head" and for the procedures related to "prosthesis of the radial head" and "osteosynthesis of the radial head" in the period from May 2014 to October 2017. The fractures were first classified according to the Mason classification .

Chiral resolution of a caged xanthone and evaluation across a broad spectrum of breast cancer subtypes.

Racemic resolution of (+/-)-MAD28, a representative caged xanthone, was accomplished using (1S, 4R)-(-)-camphanic chloride as the chiral agent. Selective crystallization of the resulting diastereomers in acetonitrile produced, after hydrolysis, the pure enantiomers. Screening of racemic MAD28 and both enantiomers across a broad spectrum of breast cancer cell lines revealed that they: (a) are equipotent in each of the breast cancer subtypes examined; and (b) exhibit a higher degree of cytotoxicity against breast cancer cell lines of basal-like subtype and triple negative receptor status.

Marine Spirotetronates: Biosynthetic Edifices That Inspire Drug Discovery.

Spirotetronates are actinomyces-derived polyketides that possess complex structures and exhibit potent and unexplored bioactivities. Due to their anticancer and antimicrobial properties, they have potential as drug hits and deserve further study. In particular, abyssomicin C and tetrocarcin A have shown significant promise against antibiotic-resistant and tuberculosis, as well as for the treatment of various lymphomas and solid tumors.

Synthesis, structure-activity relationship and in vitro pharmacodynamics of A-ring modified caged xanthones in a preclinical model of inflammatory breast cancer.

Inflammatory breast cancer (IBC) is a highly metastatic, lethal form of breast cancer that lacks targeted therapeutic strategies. Inspired by the promising cytotoxicity of gambogic acid and related caged xanthones in spheroids, an in vitro preclinical IBC model, we constructed a library of synthetic analogs and performed structure-activity relationship studies. The studies revealed that functionalizing the A-ring of the caged xanthone framework can significantly affect potency.

Insulin Resistance in Macrophages Alters Their Metabolism and Promotes an M2-Like Phenotype.

Obesity and insulin resistance influences metabolic processes, but whether it affects macrophage metabolism is not known. In this study, we demonstrate that chronic exposure of macrophages to insulin either in culture or in vivo in diet-induced, glucose-intolerant mice rendered them resistant to insulin signals marked by failure to induce Akt2 phosphorylation. Similarly, macrophages lacking Akt2 or IGF1 receptor were also resistant to insulin signals.