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Life

Life is an international, peer-reviewed, open access journal related to fundamental themes in life sciences from basic to applied research, published monthly online by MDPI.
The Spanish Association for Cancer Research (ASEICA) is affiliated with Life and its members receive a discount on the article processing charges.
Indexed in PubMed | Quartile Ranking JCR - Q1 (Biology)

All Articles (10,393)

Genetic Characterization of the Arabian Horse Population in Tunisia Using Microsatellites

  • Mariem Jlassi,
  • Iheb Dhifalli and
  • Hatem Ouled Ahmed
  • + 3 authors

The genetic diversity and population structure of Tunisian Arabian horses were assessed using highly polymorphic microsatellite markers, which are critical for conservation and breeding programs. Despite the cultural and economic importance of Arabian horses in Tunisia, molecular data supporting their management remain limited. In this study, DNA from 130 horses was genotyped with 17 ISAG-FAO-recommended microsatellites to evaluate diversity within Eastern and Western Arabian lineages and their relationship to Thoroughbreds. Eastern Arabians showed an average of 5.176 alleles per locus, observed heterozygosity of 0.657, expected heterozygosity of 0.677, and a fixation index of 0.028, while Western Arabians displayed 5.941 alleles, heterozygosity values of 0.689 (Ho) and 0.688 (He), and a fixation index of −0.006. Genetic differentiation was low between Eastern and Western Arabians (0.011) but moderate between Eastern Arabians and Thoroughbreds (0.071), with high gene flow within Arabian subpopulations (0.950). Principal component analysis confirmed distinct subpopulations. These findings highlight high genetic diversity in Western Arabians and variable heterozygosity in Eastern Arabians, providing a molecular basis for targeted breeding strategies to preserve genetic traits, control inbreeding, and ensure the long-term sustainability of Tunisian Arabian horse populations.

16 December 2025

Allelic frequencies of eastern Arabian horses.

Memory in Psychiatric Disorders: A Review

  • Riccardo Gurrieri,
  • Matteo Gambini and
  • Gerardo Russomanno
  • + 9 authors

Memory constitutes a fundamental cognitive domain, and converging evidence suggests that its dysfunction represents a prominent, though not exclusive, transdiagnostic dimension across major psychiatric disorders. This review aimed to integrate neurobiological, cognitive, and clinical evidence on domain-specific memory impairments in mood, anxiety, obsessive–compulsive, post-traumatic stress, and psychotic disorders. A comprehensive search was conducted on PubMed, Scopus, and Web of Science up to November 2025 for peer-reviewed studies examining short-term, working, long-term, episodic, semantic, and prospective memory, prioritizing both landmark and recent contributions. Two recurrent transdiagnostic patterns emerged: (i) consistent impairments in working-memory control, and (ii) reduced episodic/autobiographical specificity, while procedural memory appeared relatively preserved. Disorder-specific profiles include overgeneral autobiographical memory in major depression, enduring working and episodic deficits in bipolar disorder, variable impairments in anxiety disorders, functional rather than structural memory inefficiencies in obsessive–compulsive disorder, broad mnemonic disorganization in post-traumatic stress disorder, and pervasive working and episodic deficits in schizophrenia and related psychoses. Across conditions, converging neurobiological data implicate fronto-hippocampal dysconnectivity, altered plasticity, and impaired consolidation processes. Unlike previous reviews, this work syntetisizes evidence across multiple memory systems and across major psychiatric categories, linking neurobiological mechanisms with cognitive and clinical manifestations to support a dimensional, transdiagnostic interpretation of memory dysfunction. These findings could suggest that memory dysfunction represents a recurrent and clinically relevant dimension across psychiatric conditions, warranting further mechanistic and longitudinal investigation.

16 December 2025

  • Perspective
  • Open Access

Fascia research suffers from definitional fragmentation, with no universal agreement about what fascia actually is, why it matters, or how to define it. Researchers often pursue lines of inquiry based on their existing expertise, yet traditional and newer approaches that might resolve these issues frequently conflict. To address this challenge, the authors use a hermeneutic framework to integrate their combined half century of anatomical experience with a narrative literature synthesis. They propose that fascia functions as a stochastic morphogenetic field rather than a discrete anatomical system, a stochastic process displaying opportunistic dynamics at atomic, molecular, and cellular scales that produces deterministic mechanical properties at macroscopic tissue levels. Four key conclusions emerge: (1) anatomical “virtual spaces” are hyaluronic acid (HA)–tissue manifolds tightly coupled with calcium coordination; (2) fascia functions as a stochastic morphogenetic field where clinically and educationally relevant deterministic patterns emerge; (3) a conceptual framework for context-flexible fascial nomenclature; (4) hermeneutic approaches enable synthesis across theoretical domains. The conclusions support the understanding of HA-mediated EMT/MET plasticity and its “Go or Grow” phenotypes as central conduits for both healing and cancer progression. Understanding the stochastic nature of fascia is thus essential for physicians as well as clinicians in the allied health setting. Optimal fascia-aware movement and manual therapy interventions are those that recognize fascia as a self-adapting morphogenetic field.

16 December 2025

Associations Between PFAS Exposure and HPG Axis Hormones in U.S. Women

  • Yu-Wei Fang,
  • Ching-Way Chen and
  • Hsuan-Cheng Lin
  • + 3 authors

Purpose: This study aimed to investigate the associations between serum per- and polyfluoroalkyl substances (PFAS) and reproductive hormones, including follicle-stimulating hormone (FSH), anti-Müllerian hormone (AMH), estradiol, and progesterone, in U.S. women. Approach and Results: We conducted a cross-sectional study using data from the National Health and Nutrition Examination Survey (NHANES) 2017–2018. The study included 612 women aged ≥18 years with available PFAS and sex hormone measurements. Serum concentrations of four major PFASs (linear perfluorooctanoic acid [n-PFOA], perfluorooctane sulfonic acid [PFOS], perfluorononanoic acid [PFNA], and perfluorohexane sulfonic acid [PFHxS]) were analyzed, along with serum levels of FSH, AMH, estradiol, and progesterone measured by isotope dilution liquid chromatography–tandem mass spectrometry. Higher serum PFAS concentrations were associated with increased FSH and decreased AMH, estradiol, and progesterone. For example, each interquartile range (IQR) increase in ln-PFNA was associated with a 42.0% increase in ln-FSH (p = 0.01) and 32.2% lower ln-AMH (p < 0.001), 33.0% lower ln-estradiol (p = 0.004), and 40.9% lower ln-progesterone (p = 0.02). A PFAS exposure index was related to higher FSH and lower AMH, estradiol, and progesterone, with stronger effects in premenopausal women. Conclusions: PFAS exposure was linked to broad endocrine disruption in women, with consistent alterations across gonadotropins and sex steroids. These findings suggest that PFAS exposure was associated with hormonal patterns consistent with diminished ovarian reserve and potential changes in reproductive function, underscoring the need for longitudinal studies and regulatory actions to mitigate exposure.

16 December 2025

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Life - ISSN 2075-1729