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Clinicopathological and in Silico Insights into Male Infertility: Agerelated Trends and Anti-sperm Antibodies Post COVID-19 Vaccination.
Curr Med Chem
January 2025
Department of Biochemistry, Faculty of Science, King Abdulaziz University, Jeddah, 21589, Saudi Arabia.
Background: Infertility was often considered a female issue, but male infertility emerged significantly after the Covid-19 pandemic. Hence, assessments are crucial for planning policies on health care and family planning and reasons thereof post vaccinations.
Material And Methods: The present study was a case-control, dual-centers, prospective study with normal sperm parameters.
Background: Previous studies have suggested that changes in the composition of the extracellular matrix (ECM) play a significant role in the development of ligamentum flavum hypertrophy (LFH) and the histological differences between the ventral and dorsal layers of the hypertrophied ligamentum flavum. Although LFH is associated with increased fibrosis in the dorsal layer, comprehensive research exploring the characteristics of the ECM and its mechanical properties in both regions is limited. Furthermore, the distribution of fibrosis-associated myofibroblasts within LFH remains poorly understood.
View Article and Find Full Text PDFManagement and Outcomes of Type I and Type II Myocardial Infarction in Cardiogenic Shock.
CJC Open
February 2024
CAPITAL Research Group, University of Ottawa Heart Institute, Ottawa, Ontario, Canada.
Background: Type I myocardial infarction (T1MI) or type II myocardial infarction (T2MI) have different underlying mechanisms; however, in the setting of cardiogenic shock (CS), it is not understood if patients experience resultantly different outcomes. The objective of this study was to determine clinical features, biomarker patterns, and outcomes in these subgroups.
Methods: Patients from the CAPITAL-DOREMI trial presenting with acute myocardial infarction-associated CS (n = 103) were classified as T1MI (n = 61) or T2MI (n = 42).
Native Mass Spectrometry Captures the Conformational Plasticity of Proteins with Low-Complexity Domains.
JACS Au
January 2025
Department of Cell and Molecular Biology, Uppsala University, 751 24 Uppsala, Sweden.
Disordered regions are an important functional feature of many multidomain proteins. A prime example is proteins in membraneless organelles, which contain folded domains that engage in specific interactions and disordered low-complexity (LC) domains that mediate liquid-liquid phase separation. Studying these complex architectures remains challenging due to their conformational variability.
View Article and Find Full Text PDFMetal-ligand cooperativity enables zero-valent metal transfer.
Chem Sci
January 2025
Department of Chemistry and Biochemistry, University of California Los Angeles California 90095-1569 USA
Group 13 aminoxy complexes of the form (L)E(TEMPO) (TEMPO = 2,2,6,6-tetramethylpiperidine 1-oxyl; L = THF (tetrahydrofuran) or Py (pyridine); E = Al, Ga, In) were prepared and structurally characterized. The complexes (THF)Ga(TEMPO) (1·THF) and (Py)In(TEMPO) (2·Py) are shown to heterolytically cleave H under mild conditions (3 atm, 20 °C, ≤ 1 h). 1·THF reacts reversibly with H to form a formal H-adduct that bears a Ga(iii) hydride site and a protonated TEMPO ligand with concomitant loss of THF, consistent with Ga(iii) and TEMPO functioning as Lewis acid and base, respectively.
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