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\"The story of venom from ancient origins to modern medicinal use\"-- Provided by publisher.

Rare diseases affect over 400 million people worldwide and less than 5% of rare diseases have an approved treatment. Fortunately, the number of underlying disease etiologies is far less than the number of diseases, because many rare diseases share a common molecular etiology. Moreover, many of these shared molecular etiologies are therapeutically actionable. Grouping rare disease patients for clinical trials based on the underlying molecular etiology, rather than the traditional, symptom‐based definition of disease, has the potential to greatly increase the number of patients gaining access to clinical trials. Basket clinical trials based on a shared molecular drug target have become common in the field of oncology and have been accepted by regulatory agencies as a basis for drug approvals. Implementation of basket clinical trials in the field of rare diseases is seen by multiple stakeholders—patients, researchers, clinicians, industry, regulators, and funders—as a solution to accelerate the identification of new therapies and address patient's unmet needs. Graphical Abstract This Review discusses challenges and opportunities in implementing basket clinical trials to accelerate the identification of new therapies for rare diseases.

This book tells the little-known story of how an upstart biotechnology company created a one-in-a-million cancer drug, and how the core team - denied their share of the profits - went and did it again. In this epic saga of money and science, a veteran financial journalist explains how the invention of two of the biggest cancer drugs in history became (for their backers) two of the greatest Wall Street bets of all time. In the multibillion-dollar business of biotech, where pharmaceutical companies, the government, hedge funds, and venture capitalists have spent billions on funding, experimentation, and treatments, a single molecule can stop cancer in its tracks - and make the people who find that rare molecule astonishingly rich. This book follows a small team at a biotech start-up in California, who have found one of these rare molecules. Their compound, known as a BTK inhibitor, seems to work on a vicious type of leukemia. When patients start rising from their hospice beds, the team knows they're onto something big. What follows is a story of genius, pathos, and drama, in which vivid characters navigate a world of corporate intrigue and ambiguous morality. The author's narrative immerses readers in the explosion of biotech start-ups. He describes the scientists, doctors, and investors who are risking everything to develop new, life-saving treatments, and introduces suffering patients for whom the stakes are life-or-death. A gripping nonfiction read, this book illustrates why it's so hard to bring new drugs to market, explains why they are so expensive, and examines how profit-driven venture capitalists are shaping the future of medicine. -- Adapted from publisher's description.

Glioblastoma is a fatal brain tumor with a bleak prognosis. The use of chemotherapy, primarily the alkylating agent temozolomide, coupled with radiation and surgical resection, has provided some benefit. Despite this multipronged approach, average patient survival rarely extends beyond 18 months. Challenges to glioblastoma treatment include the identification of functional pharmacologic targets as well as identifying drugs that can cross the blood-brain barrier. To address these challenges, current research efforts are examining metabolic differences between normal and tumor cells that could be targeted. Among the metabolic differences examined to date, the apparent addiction to exogenous methionine by glioblastoma tumors is a critical factor that is not well understood and may serve as an effective therapeutic target. Others have proposed this property could be exploited by methionine dietary restriction or other approaches to reduce methionine availability. However, methionine links the tumor microenvironment with cell metabolism, epigenetic regulation, and even mitosis. Therefore methionine depletion could result in complex and potentially undesirable responses, such as aneuploidy and the aberrant expression of genes that drive tumor progression. If methionine manipulation is to be a therapeutic strategy for glioblastoma patients, it is essential that we enhance our understanding of the role of methionine in the tumor microenvironment.

The immunomodulatory potential of Lycium barbarum polysaccharides (LBP) is well-established, yet the intricate structure-activity relationships (SAR) underlying these effects require clarification to advance therapeutic applications. This review synthesizes current knowledge on how specific structural parameters of LBP, including molecular weight, monosaccharide composition, glycosidic linkage types, and chemical modifications influence its immunoregulatory functions. Key findings reveal a non-linear dependence of LBP’s immunomodulatory activity on molecular weight. Fractions within the medium molecular weight range (10 5 –10 6 Da) often demonstrate optimal efficacy, which is attributed to their capacity for facilitating multivalent binding to pattern recognition receptors (PRRs). Furthermore, a high content of arabinose and galactose is a critical structural determinant, with arabinogalactan-like motifs serving as key recognition elements for immune cell activation. Mechanistically, LBP orchestrates immune responses through multi-target pathways. It directly modulates macrophage polarization via the STAT1/STAT6 pathways, promotes dendritic cell maturation through NF-κB and Notch signaling, and influences T-cell differentiation. Concurrently, LBP exerts indirect immunomodulatory effects via the gut microbiota-immune axis by enriching beneficial bacteria and their immunoregulatory metabolites, such as short-chain fatty acids. Despite robust preclinical evidence, clinical translation is hampered by the heterogeneity of LBP preparations. This review underscores the necessity of standardizing LBP based on SAR insights to develop precision immunomodulators for therapeutic applications.

DNA immune recognition regulation mediated by the cGAS-STING pathway plays an important role in immune functions. Under normal physiological conditions, cGAS can recognize and bind to invading pathogen DNA and activate the innate immune response. On the other hand, abnormal activation of cGAS or STING is closely related to autoimmune diseases. In addition, activation of STING proteins as a bridge connecting innate immunity and adaptive immunity can effectively restrain tumor growth. Therefore, targeting the cGAS-STING pathway can alleviate autoimmune symptoms and be a potential drug target for treating cancer. This article summarizes the current progress on cGAS-STING pathway modulators and lays the foundation for further investigating therapeutic development in autoimmune diseases and tumors.

Background Childhood-onset systemic lupus erythematosus (cSLE) is a chronic multisystemic autoimmune disease with a more severe and life-threatening course than SLE in adults. Up to 50–80% of patients have renal or other major-organ involvement, such as in the neurological or nephrological systems, which results in significant morbidity and increased mortality. Main text A search was conducted for lupus-related literature published by Spanish authors in PubMed, Science Direct, MEDES and SciELO databases. The search strategy was based on the keywords “paediatric OR pediatric AND lupus AND Spain” from 2005 to 2024. A manual search was also performed with the above keywords, including “Clinical practice guidelines OR protocols OR recommendations”. Significant changes in the management of cSLE have occurred over the last 20 years in Spain. Since there is no consensus among experts at a national scale, the use of off-label drugs and the insufficiency of evidence-based recommendations have become widespread. Antimalarials and glucocorticoids have remained the cornerstone of treatment for several years. However, the side effects of the latter and their association with the accumulation of organ damage have led to the incorporation of immunosuppressants and biologic agents into clinical practice earlier in the course of the disease as glucocorticoids-sparing strategies. Recent advances in cSLE management include the application of the treat-to-target approach and the approval of intravenous belimumab for patients ≥ 5 years, while early results with subcutaneous belimumab in cSLE have as well demonstrated efficacy and safety. Conclusion Despite the initiation of the Spanish Juvenile Systemic Lupus Erythematosus Registry in 2021, which aims to ascertain the outcomes of cSLE in Spanish patients, a consensus document for the management of these patients in Spain remains elusive. According to Treat to Target TaskGroup, treatment of cSLE should aim to ensure long-term survival and prevent organ damage. The use of glucocorticoid-sparing strategies, including biological agents such as belimumab, represents one of the main current challenges. Indeed, subcutaneous belimumab could be a promising tool in cSLE, as its administration in school-aged patients might reduce school absenteeism and lead to an improvement in the child’s overall health.

Demyelinating forms of Charcot-Marie-Tooth disease (CMT) are genetically and phenotypically heterogeneous and result from highly diverse biological mechanisms including gain of function (including dominant negative effects) and loss of function. While no definitive treatment is currently available, rapid advances in defining the pathomechanisms of demyelinating CMT have led to promising pre-clinical studies, as well as emerging clinical trials. Especially promising are the recently completed pre-clinical genetic therapy studies in PMP-22, GJB1, and SH3TC2 - associated neuropathies, particularly given the success of similar approaches in humans with spinal muscular atrophy and transthyretin familial polyneuropathy. This article focuses on neuropathies related to mutations in PMP-22, MPZ, and GJB1, which together comprise the most common forms of demyelinating CMT, as well as on select rarer forms for which promising treatment targets have been identified. Clinical characteristics and pathomechanisms are reviewed in detail, with emphasis on therapeutically targetable biological pathways. Also discussed are the challenges facing the CMT research community in its efforts to advance the rapidly evolving biological insights to effective clinical trials. These considerations include the limitations of currently available animal models, the need for personalized medicine approaches/allele-specific interventions for select forms of demyelinating CMT, and the increasing demand for optimal clinical outcome assessments and objective biomarkers.

Norrin–Wnt signaling is essential for retinal vascular development and generation of the inner blood retinal barrier. Norrin itself is a potential therapeutic for retinal vascular repair. We explored the feasibility of producing a recombinant protein therapeutic based on human Norrin for intravitreal injection. NorrinK86P production was tested using MBP fusion and non-tagged versions. FZD4 binding was evaluated by an ELISA, and the activation of AXIN2 gene expression in primary human retinal microvascular endothelial cells was measured by qPCR. Intravitreal injection was tested in the rat eye, evaluated by fluoresceine angiography, OCT, and ERG. MBP-tagged Norrin was resistant to HRV3C protease cleavage unless linker polypeptides were also incorporated. MBP–Norrin or cleaved MBP–Norrin also required refolding with disulfide reshuffling to generate FZD4-binding activity and to affect AXIN-2 gene expression. A production strategy based upon untagged NorrinK86P refolded from bacterial inclusion bodies was selected. Intravitreal injection of NorrinK86P did not affect retinal thickness nor retinal function, the latter monitored by the ERG A-wave and B-wave amplitudes. We concluded that MBP–Norrin, cleaved Norrin, and untagged Norrin from inclusion bodies display Norrin-like biological activity after refolding with disulfide reshuffling. The untagged, bacterial inclusion body process was selected for future large-scale bacterial fermentation. NorrinK86P could be produced with Norrin-like biochemical and biological activities and was tolerated after intravitreal injection into the rat eye.